1. The utility model provides a full-automatic drawing frame, includes drawing frame, feeding device, drafting device, slivering device which characterized in that: it also comprises a brace device, a doffing guide device and a doffing device,

the feeding device comprises a feeding beam and a feeding assembly, the feeding beam is arranged on a drawing frame, the feeding assembly is symmetrically arranged on two sides of the feeding beam and comprises a feeding cylinder, a feeding guide roller, a feeding splitting column and a feeding impurity scraper, the feeding guide roller is rotatably arranged on the feeding beam, the feeding cylinder is arranged on the lower side of the feeding guide roller, the feeding impurity scraper is arranged on one side of the feeding guide roller and comprises a feeding impurity scraping wheel, a feeding impurity scraping wheel bracket, a feeding impurity scraping sliding seat, a feeding impurity scraping track, a feeding impurity scraping sliding rod, a feeding impurity scraping pressure spring, a feeding impurity scraping fixing table, a negative pressure impurity removing pipe and an impurity removing scraper, the feeding impurity scraping fixing table is arranged on the feeding beam, the feeding impurity scraping track is horizontally arranged on the feeding beam, and the feeding impurity scraping sliding seat is slidably arranged on the feeding impurity scraping track, the feeding impurity scraping slide bar penetrates through the feeding impurity scraping fixed table, one end of the feeding impurity scraping slide bar is connected with the feeding impurity scraping slide seat, the other end of the feeding impurity scraping slide bar is provided with a feeding impurity scraping slide bar limiting table, the feeding impurity scraping pressure spring and the feeding impurity scraping slide bar are coaxially arranged, one end of the feeding impurity scraping pressure spring is attached to the feeding impurity scraping slide seat, the other end of the feeding impurity scraping pressure spring is attached to the feeding impurity scraping fixed table, the feeding impurity scraping wheel support is installed on the feeding impurity scraping slide seat, the feeding impurity scraping wheel is rotatably arranged on the feeding impurity scraping wheel support, the feeding impurity scraping wheel is attached to the feeding guide roller under the action of the feeding impurity scraping pressure spring, the feeding branch columns are uniformly installed on the feeding impurity scraping slide seat, the negative pressure impurity removing pipe is installed in the feeding impurity scraping slide seat, the impurity removing scraper is installed at the upper end of the feeding impurity scraping slide seat, and the impurity removing scraper is located at the lower end of the feeding impurity scraping wheel,

the drafting device is arranged on the drawing frame and is positioned at one side of the feeding device, the drafting device comprises an upper leather roller, two lower rollers and a drafting guide splitting column, the upper leather roller and the lower rollers are rotatably arranged on the drawing frame, the upper leather roller and the two lower rollers are staggered up and down, the drafting guide splitting column is uniformly arranged at one side of the upper leather roller and one side of the lower rollers,

the slivering device is arranged on the drawing frame and is positioned on one side of the drafting device, the slivering device comprises a buncher, a first slivering roller scraping lug, a first slivering roller scraper, a second slivering roller scraping lug and a second slivering roller scraper, the buncher is arranged on the drawing frame, the first slivering roller and the second slivering roller are rotatably arranged on one side of the buncher, the diameters of the first slivering roller and the second slivering roller are different and are obliquely staggered, the first slivering roller scraping lug and the first slivering roller scraper are arranged on one side of the first slivering roller, the second slivering roller scraping lug and the second slivering roller scraper are arranged on one side of the second slivering roller,

the brace device comprises a brace mechanism and a brace guide mechanism, the brace guide mechanism comprises a brace guide support, a first brace guide roller, a second brace guide roller and a third brace guide roller, the brace guide support is arranged on the drawing frame, the first brace guide roller, the second brace guide roller and the third brace guide roller are staggered and rotatably arranged on the brace guide support, the brace mechanism is arranged at the lower side of the brace guide mechanism, the brace mechanism comprises a fixed brace component and a movable brace component, the fixed brace component comprises a fixed brace support, a fixed upper brace wheel, a fixed lower brace wheel, a fixed brace curtain and a fixed brace motor, the fixed brace support is arranged on the drawing frame, and the fixed upper brace wheel and the fixed lower brace wheel are respectively rotatably arranged at the upper side and the lower side of a brace of the fixed support, the fixed brace curtain is arranged on the fixed upper brace wheel and the fixed lower brace wheel in a surrounding manner, the fixed brace motor is arranged on the fixed brace support and is coaxially connected with the fixed lower brace wheel, the movable brace component comprises a movable brace support, a movable upper brace wheel, a movable lower brace wheel, a movable brace curtain, a movable brace motor, a movable brace fixing table and a movable connector, the movable brace fixing table is arranged on the drawing frame, the movable brace support is connected with the movable brace fixing table through the movable connector, the movable connector comprises a movable slide bar, a movable pressure spring and a movable slide bar limiting table, the movable slide bar is arranged on the movable brace fixing table in a sliding manner, the left end of the movable slide bar is connected with the movable brace support, the right end of the movable slide bar is provided with the movable slide bar limiting table, and the movable pressure spring and the movable slide bar are coaxially arranged, one end of the movable pressure spring is attached to the movable brace fixing platform, the other end of the movable pressure spring is attached to the movable brace support, the movable upper brace wheel and the movable lower brace wheel are respectively rotatably arranged at the upper end and the lower end of the movable brace support, the movable brace curtain is arranged on the movable upper brace wheel and the movable lower brace wheel in a surrounding manner, the movable brace motor is arranged on the movable brace support and is coaxially connected with the movable lower brace wheel, and the fixed brace curtain and the movable brace curtain are both provided with gathering convex strips which are inclined inwards,

the doffing guide device is arranged on the lower side of the brace device and comprises a doffing guide ring, a doffing guide slide bar, a doffing guide rack, a doffing guide gear and a doffing guide motor, the doffing guide slide bar is slidably arranged on a movable brace fixing table, the doffing guide ring is arranged at the end part of the doffing guide slide bar, the doffing guide rack is arranged on the doffing guide slide bar, the doffing guide motor is arranged on the movable brace fixing table and is coaxially connected with the doffing guide gear, the doffing guide gear is meshed with the doffing guide rack,

the bobbin replacing device is arranged below the doffing guide device and comprises a bobbin replacing U-shaped platform, a bobbin feeding roller, a bobbin rotating mechanism and a bobbin replacing mechanism, wherein the bobbin replacing U-shaped platform comprises a linear bobbin feeding section, a semicircular bobbin replacing section and a linear bobbin discharging section, the semicircular bobbin replacing section is arranged between the linear bobbin feeding section and the linear bobbin discharging section, the linear bobbin feeding section is obliquely arranged in a high right direction and a low left direction, the linear bobbin discharging section is obliquely arranged in a high right direction and a low right direction, the bobbin feeding roller is arranged on two sides of the linear bobbin feeding section, the bobbin rotating mechanism is arranged on the lower side of the semicircular bobbin replacing section of the bobbin replacing U-shaped platform, and the bobbin rotating mechanism comprises a bobbin rotating support seat, a bobbin rotating gear disc, a bobbin rotating shaft support seat, a bobbin inserting plug column, a bobbin rotating driving motor, a bobbin rotating driving gear, a bobbin lifting swing rod, a bobbin lifting cylinder and a bobbin lifting cylinder, The device comprises a first support lug of a bobbin lifting cylinder and a second support lug of the bobbin lifting cylinder, wherein a bobbin rotary supporting seat is arranged on a drawing frame, a rotating shaft supporting seat mounting platform is arranged on the outer side of a bobbin rotary shaft supporting seat, universal balls are uniformly distributed on the inner side of the bobbin rotary shaft supporting seat, the bobbin rotary shaft supporting seat is arranged on the bobbin rotary supporting seat through the rotating shaft supporting seat mounting platform, a bobbin rotary fluted disc is rotatably and liftably arranged on the bobbin rotary shaft supporting seat through a bobbin rotating shaft, a rotating shaft lifting platform is arranged at the lower end of the bobbin rotating shaft, a bobbin is inserted into a plug column and is arranged on the bobbin rotary fluted disc, a bobbin rotary driving motor is arranged on the bobbin rotary supporting seat, the bobbin rotary driving motor is coaxially connected with a bobbin rotary driving gear, and the bobbin rotary driving gear is meshed with the bobbin rotary fluted disc, the thickness of the drum rotation driving gear is larger than that of the drum rotation fluted disc, the middle end of the drum lifting swing rod is hinged to the drawing frame, one end of the drum lifting swing rod is provided with a lifting caliper clamped into the lower end of the drum rotation shaft, the other end of the drum lifting swing rod is provided with a first support lug of a drum lifting cylinder, a second support lug of the drum lifting cylinder is installed on a drum rotation supporting seat, two ends of the drum lifting cylinder are respectively connected with the first support lug of the drum lifting cylinder and the second support lug of the drum lifting cylinder, the bottom of the drum is provided with a U-shaped drum plug groove and a bull eye universal roller, the drum replacing mechanism is arranged on one side of the drum rotation mechanism, and the drum replacing mechanism comprises a drum replacing rotary disc, a drum replacing rotary disc support shaft, a drum replacing arc-shaped arm, a drum replacing pinch roller component, a winding shaft, the device comprises a bobbin replacing motor, a bobbin replacing motor support, a bobbin replacing first bevel gear and a bobbin replacing second bevel gear, wherein the bobbin replacing rotary table is rotatably arranged on a bobbin rotary support seat through a bobbin replacing rotary table fulcrum, the bobbin replacing second bevel gear is coaxially arranged on the bobbin replacing rotary table fulcrum, the bobbin replacing motor is arranged on the bobbin replacing motor support seat, the bobbin replacing motor is coaxially connected with the bobbin replacing first bevel gear, the bobbin replacing first bevel gear is meshed with the bobbin replacing second bevel gear, the number of the bobbin replacing arc-shaped arms is three, the bobbin replacing arc-shaped arms are uniformly arranged on the bobbin replacing rotary table, the bobbin replacing pinch roller components are arranged on the inner side and the outer side of the bobbin replacing arc-shaped arms, and the bobbin replacing pinch roller components comprise a bobbin replacing pinch roller, a bobbin replacing pinch roller and a bobbin replacing pinch roller fulcrum, the bobbin replacing pinch roller support shaft is arranged on the bobbin replacing arc-shaped arm, and the bobbin replacing upper pinch roller and the bobbin replacing lower pinch roller are respectively and rotatably arranged on the upper side and the lower side of the bobbin replacing pinch roller support shaft.

2. A full automatic drawing frame according to claim 1, characterized in that: and a feeding groove is arranged on the feeding impurity scraping wheel.

3. A full automatic drawing frame according to claim 1, characterized in that: the feeding device further comprises a negative pressure main pipe, an impurity removing box and a negative pressure machine, wherein the negative pressure impurity removing pipes are connected with the negative pressure main pipe, and the impurity removing box is arranged between the negative pressure main pipe and the negative pressure machine.

4. A full automatic drawing frame according to claim 1, characterized in that: the bobbin replacing motor is a servo motor.

5. A full automatic drawing frame according to claim 1, characterized in that: the upper pressing wheel for replacing the bobbin and the lower pressing wheel for replacing the bobbin are elastic rubber roller wheels.

Background

Textile machinery is the various mechanical devices required to process natural or chemical fibers into textiles. The different fibers such as cotton, hemp, silk and wool are processed into textiles by different procedures, and the required machines are various and various. Textile machines are generally classified according to the production process, and are counted as: spinning equipment, weaving equipment, printing and dyeing equipment, finishing equipment, chemical fiber spinning equipment, reeling equipment and non-woven fabric equipment. Spinning equipment is divided into two categories, short fiber processing and long fiber processing.

Common textile equipment is: carding machines, combing machines, drawing frames, roving frames, spinning frames and spinning machines. The drawing frame is a common textile machine, and the drawing frame is used for improving the internal structure of a sliver so as to improve the uniformity of long sections of the sliver, simultaneously reducing the weight unevenness, straightening and paralleling fibers in the sliver, reducing hooks, enabling the fineness to accord with the specification, and enabling raw materials of different types or different qualities to be uniformly mixed to achieve the specified mixing ratio.

At present, the common drawing frame is complex in structure, and in the drawing process, the slivers are easy to deviate, the drawing effect is seriously influenced, and even drawing failure is caused. Moreover, the drawn sliver needs to be arranged in the bobbin, and the bobbin needs to be replaced manually after being filled, so that time and labor are wasted.

Disclosure of Invention

The invention aims to provide a full-automatic drawing frame, which not only can effectively avoid sliver deviation in the drawing process and ensure the drawing effect, but also can realize automatic bobbin replacement of a drawn bobbin, has a smart structure and high automation degree, and greatly improves the drawing efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a full-automatic drawing frame comprises a drawing frame, a feeding device, a drafting device, a slivering device, a brace device, a doffing guide device and a creeling device.

The feeding device comprises a feeding beam and a feeding assembly, the feeding beam is arranged on a drawing frame, the feeding assembly is symmetrically arranged on two sides of the feeding beam and comprises a feeding cylinder, a feeding guide roller, a feeding splitting column and a feeding impurity scraper, the feeding guide roller is rotatably arranged on the feeding beam, the feeding cylinder is arranged on the lower side of the feeding guide roller, the feeding impurity scraper is arranged on one side of the feeding guide roller and comprises a feeding impurity scraping wheel, a feeding impurity scraping wheel bracket, a feeding impurity scraping sliding seat, a feeding impurity scraping track, a feeding impurity scraping sliding rod, a feeding impurity scraping pressure spring, a feeding impurity scraping fixing table, a negative pressure impurity removing pipe and an impurity removing scraper, the feeding impurity scraping fixing table is arranged on the feeding beam, the feeding impurity scraping track is horizontally arranged on the feeding beam, and the feeding impurity scraping sliding seat is slidably arranged on the feeding impurity scraping track, the feeding impurity scraping slide bar penetrates through the feeding impurity scraping fixed station, one end of the feeding impurity scraping slide bar is connected with the feeding impurity scraping slide seat, the other end of the feeding impurity scraping slide bar is provided with a feeding impurity scraping slide bar limiting table, the feeding impurity scraping pressure spring and the feeding impurity scraping slide bar are coaxially arranged, one end of the feeding impurity scraping pressure spring is jointed with the feeding impurity scraping sliding seat, the other end of the feeding impurity scraping pressure spring is jointed with the feeding impurity scraping fixing table, the feeding scraping wheel bracket is arranged on the feeding scraping sliding seat, the feeding scraping wheel is rotatably arranged on the feeding scraping wheel bracket, the feeding impurity scraping wheels are attached to the feeding guide roller under the action of the feeding impurity scraping pressure spring, the feeding splitting columns are uniformly arranged on the feeding impurity scraping sliding seat, the negative pressure impurity removing pipe is arranged in the feeding impurity removing sliding seat, the impurity removing scraper is arranged at the upper end of the feeding impurity removing sliding seat, and the impurity removing scraper is positioned at the lower end of the feeding impurity removing wheel.

The drafting device is arranged on the drawing frame and is positioned at one side of the feeding device, the drafting device comprises an upper leather roller, two lower rollers and a drafting guide splitting column, the upper leather roller and the lower rollers are rotatably arranged on the drawing frame, the upper leather roller and the two lower rollers are staggered up and down, the drafting guide splitting column is uniformly arranged at one side of the upper leather roller and one side of the lower rollers,

the silver device is installed in the drawing frame to be located one side of drafting arrangement, the silver device includes that buncher, first one-forming roller scrape ear, first one-forming roller scraper, second one-forming roller scrape ear, second one-forming roller scraper, the buncher is installed in the drawing frame, first one-forming roller and the rotatable setting of second one-forming roller are in one side of buncher, first one-forming roller and second one-forming roller diameter are different and the slope is crisscross, ear and first one-forming roller scraper are installed in one side of first one-forming roller to first one-forming roller, ear and one side at the second one-forming roller are installed to second one-forming roller scraper.

The brace device comprises a brace mechanism and a brace guide mechanism, the brace guide mechanism comprises a brace guide support, a first brace guide roller, a second brace guide roller and a third brace guide roller, the brace guide support is arranged on the drawing frame, the first brace guide roller, the second brace guide roller and the third brace guide roller are staggered and rotatably arranged on the brace guide support, the brace mechanism is arranged at the lower side of the brace guide mechanism, the brace mechanism comprises a fixed brace component and a movable brace component, the fixed brace component comprises a fixed brace support, a fixed upper brace wheel, a fixed lower brace wheel, a fixed brace curtain and a fixed brace motor, the fixed brace support is arranged on the drawing frame, and the fixed upper brace wheel and the fixed lower brace wheel are respectively rotatably arranged at the upper side and the lower side of a brace of the fixed support, the fixed brace curtain is arranged on the fixed upper brace wheel and the fixed lower brace wheel in a surrounding manner, the fixed brace motor is arranged on the fixed brace support and is coaxially connected with the fixed lower brace wheel, the movable brace component comprises a movable brace support, a movable upper brace wheel, a movable lower brace wheel, a movable brace curtain, a movable brace motor, a movable brace fixing table and a movable connector, the movable brace fixing table is arranged on the drawing frame, the movable brace support is connected with the movable brace fixing table through the movable connector, the movable connector comprises a movable slide bar, a movable pressure spring and a movable slide bar limiting table, the movable slide bar is arranged on the movable brace fixing table in a sliding manner, the left end of the movable slide bar is connected with the movable brace support, the right end of the movable slide bar is provided with the movable slide bar limiting table, and the movable pressure spring and the movable slide bar are coaxially arranged, the utility model discloses a movable brace support, including activity pressure spring, activity draw bar wheel, activity draw bar curtain, activity draw bar motor and activity draw bar wheel coaxial coupling, all be provided with the inside sand grip that gathers together of slope on fixed draw bar curtain and the activity draw bar curtain.

The doffing guide device is arranged on the lower side of the brace device and comprises a doffing guide ring, a doffing guide slide bar, a doffing guide rack, a doffing guide gear and a doffing guide motor, wherein the doffing guide slide bar is slidably mounted on a movable brace fixing table, the doffing guide ring is mounted at the end part of the doffing guide slide bar, the doffing guide rack is mounted on the doffing guide slide bar, the doffing guide motor is mounted on the movable brace fixing table and is coaxially connected with the doffing guide motor and the doffing guide gear, and the doffing guide gear is meshed with the doffing guide rack.

The bobbin replacing device is arranged below the doffing guide device and comprises a bobbin replacing U-shaped platform, a bobbin feeding roller, a bobbin rotating mechanism and a bobbin replacing mechanism, wherein the bobbin replacing U-shaped platform comprises a linear bobbin feeding section, a semicircular bobbin replacing section and a linear bobbin discharging section, the semicircular bobbin replacing section is arranged between the linear bobbin feeding section and the linear bobbin discharging section, the linear bobbin feeding section is obliquely arranged in a high right direction and a low left direction, the linear bobbin discharging section is obliquely arranged in a high right direction and a low right direction, the bobbin feeding roller is arranged on two sides of the linear bobbin feeding section, the bobbin rotating mechanism is arranged on the lower side of the semicircular bobbin replacing section of the bobbin replacing U-shaped platform, and the bobbin rotating mechanism comprises a bobbin rotating support seat, a bobbin rotating gear disc, a bobbin rotating shaft support seat, a bobbin inserting plug column, a bobbin rotating driving motor, a bobbin rotating driving gear, a bobbin lifting swing rod, a bobbin lifting cylinder and a bobbin lifting cylinder, The device comprises a first support lug of a bobbin lifting cylinder and a second support lug of the bobbin lifting cylinder, wherein a bobbin rotary supporting seat is arranged on a drawing frame, a rotating shaft supporting seat mounting platform is arranged on the outer side of a bobbin rotary shaft supporting seat, universal balls are uniformly distributed on the inner side of the bobbin rotary shaft supporting seat, the bobbin rotary shaft supporting seat is arranged on the bobbin rotary supporting seat through the rotating shaft supporting seat mounting platform, a bobbin rotary fluted disc is rotatably and liftably arranged on the bobbin rotary shaft supporting seat through a bobbin rotating shaft, a rotating shaft lifting platform is arranged at the lower end of the bobbin rotating shaft, a bobbin is inserted into a plug column and is arranged on the bobbin rotary fluted disc, a bobbin rotary driving motor is arranged on the bobbin rotary supporting seat, the bobbin rotary driving motor is coaxially connected with a bobbin rotary driving gear, and the bobbin rotary driving gear is meshed with the bobbin rotary fluted disc, the thickness of the drum rotation driving gear is larger than that of the drum rotation fluted disc, the middle end of the drum lifting swing rod is hinged to the drawing frame, one end of the drum lifting swing rod is provided with a lifting caliper clamped into the lower end of the drum rotation shaft, the other end of the drum lifting swing rod is provided with a first support lug of a drum lifting cylinder, a second support lug of the drum lifting cylinder is installed on a drum rotation supporting seat, two ends of the drum lifting cylinder are respectively connected with the first support lug of the drum lifting cylinder and the second support lug of the drum lifting cylinder, the bottom of the drum is provided with a U-shaped drum plug groove and a bull eye universal roller, the drum replacing mechanism is arranged on one side of the drum rotation mechanism, and the drum replacing mechanism comprises a drum replacing rotary disc, a drum replacing rotary disc support shaft, a drum replacing arc-shaped arm, a drum replacing pinch roller component, a winding shaft, the device comprises a bobbin replacing motor, a bobbin replacing motor support, a bobbin replacing first bevel gear and a bobbin replacing second bevel gear, wherein the bobbin replacing rotary table is rotatably arranged on a bobbin rotary support seat through a bobbin replacing rotary table fulcrum, the bobbin replacing second bevel gear is coaxially arranged on the bobbin replacing rotary table fulcrum, the bobbin replacing motor is arranged on the bobbin replacing motor support seat, the bobbin replacing motor is coaxially connected with the bobbin replacing first bevel gear, the bobbin replacing first bevel gear is meshed with the bobbin replacing second bevel gear, the number of the bobbin replacing arc-shaped arms is three, the bobbin replacing arc-shaped arms are uniformly arranged on the bobbin replacing rotary table, the bobbin replacing pinch roller components are arranged on the inner side and the outer side of the bobbin replacing arc-shaped arms, and the bobbin replacing pinch roller components comprise a bobbin replacing pinch roller, a bobbin replacing pinch roller and a bobbin replacing pinch roller fulcrum, the bobbin replacing pinch roller support shaft is arranged on the bobbin replacing arc-shaped arm, and the bobbin replacing upper pinch roller and the bobbin replacing lower pinch roller are respectively and rotatably arranged on the upper side and the lower side of the bobbin replacing pinch roller support shaft.

Furthermore, a strip running groove is arranged on the feeding impurity scraping wheel.

Furthermore, feeding device still includes negative pressure house steward, edulcoration case, negative pressure machine, and many negative pressure edulcoration pipes are connected with negative pressure house steward, be provided with the edulcoration case between negative pressure house steward and the negative pressure machine.

Furthermore, the bobbin replacing motor is a servo motor.

Furthermore, the upper pressing wheel for replacing the bobbin and the lower pressing wheel for replacing the bobbin are elastic rubber roller wheels.

Compared with the prior art, the invention has the following advantages and effects:

1. the sliver passes through a feeding device, a drafting device, a sliver forming device and a drawing device in sequence, and is loaded into a bobbin through a doffing guide device after drawing, so that drawing processing is realized. The invention not only can effectively avoid sliver deviation in the drawing process and ensure the drawing effect, but also can realize automatic bobbin replacement after drawing, has ingenious structure and high automation degree, and greatly improves the drawing efficiency.

2. When the bobbin is full of sliver, it needs to be replaced. Firstly, a piston rod of a bobbin lifting cylinder retracts to drive a bobbin lifting swing rod to swing anticlockwise, and a bobbin rotating fluted disc and a bobbin rotating shaft slide downwards along a bobbin rotating shaft support under the action of gravity, so that a bobbin inserting plug arranged on the bobbin rotating fluted disc is separated from a U-shaped bobbin plug groove at the lower end of the bobbin. And then, the bobbin replacing motor acts, the bobbin replacing rotating disc is driven to rotate clockwise by the first cone gear and the second cone gear, one bobbin replacing arc-shaped arm pushes the bobbin filled with the slivers into the linear bobbin discharging section from the semicircular bobbin replacing section of the bobbin replacing U-shaped table, and the bobbin filled with the slivers slides out from the inclined linear bobbin discharging section by means of the bull eye universal roller. The method comprises the steps that one bobbin replacing arc-shaped arm pushes a bobbin arranged in a linear bobbin feeding section to a semicircular bobbin replacing section of a bobbin replacing U-shaped platform, the bobbin is pushed above a bobbin rotating fluted disc, then a piston rod of a bobbin lifting cylinder extends out to drive a bobbin lifting swing rod to swing clockwise, a lifting caliper at the left end of the bobbin lifting swing rod drives the bobbin rotating fluted disc and a bobbin rotating shaft to slide upwards along a bobbin rotating shaft support through a rotating shaft lifting platform at the lower end of the bobbin rotating shaft, so that a bobbin inserted plug column arranged on the bobbin rotating fluted disc is clamped into a U-shaped bobbin plug groove at the lower end of the bobbin, in the process, as the thickness of the bobbin rotating drive gear is larger than that of the bobbin rotating fluted disc, the bobbin rotating drive gear and the bobbin rotating fluted disc are meshed all the. And the other bobbin replacing arc-shaped arm is ready for next bobbin replacement, so that automatic bobbin replacement is realized.

3. The pressurized trash scraping mechanism is very ingenious in structure, stable sliver transmission is guaranteed by means of variable pressure of the feeding trash scraping pressure spring, and trash removal of slivers is achieved. The arrangement of the feeding slitting column ensures the stable conveying of slivers and avoids mutual stirring.

4. The drafted slivers enter the buncher to be gathered into strips, the structure that the first slivering roller and the second slivering roller are different in diameter and are obliquely staggered is ingenious, the structure is not like a common equal-diameter uniform-dividing structure at present, the ingenious structure ingeniously prevents the loss and disorder of fibers at the edges of the cotton nets during high-speed output by utilizing the tension difference and the position difference of the slivering rollers different in diameter, the cohesive force among the fibers is increased, and the phenomena of winding the rollers and breaking the slivers are reduced. And the arrangement of the first forming roller scraping lug, the first forming roller scraper, the second forming roller scraping lug and the second forming roller scraper can realize real-time cleaning of the first forming roller and the second forming roller and avoid short fiber aggregation on the first forming roller and the second forming roller.

5. The feeding impurity scraping wheel is provided with the strip running groove, so that strips in the feeding barrel can stably enter the feeding guide roller, and the strips are effectively prevented from deviating and running, and a plurality of strips are guaranteed to be orderly transmitted and drawn.

6. Feeding device still includes negative pressure house steward, edulcoration case, negative-pressure machine, and many negative pressure edulcoration pipes and negative pressure house steward are connected, be provided with the edulcoration case between negative pressure house steward and the negative-pressure machine, under negative-pressure machine's effect, many negative pressure edulcoration pipes form the negative pressure, and the impurity on the strip is inhaled negative pressure edulcoration pipe fast, avoids forming and piles up, and the setting of edulcoration case has guaranteed that impurity not only can clear up fast, avoids being inhaled negative-pressure machine moreover, guarantees negative-pressure machine continuous operation, avoids unexpected the emergence.

7. The bobbin replacing motor is a servo motor, so that the rotating speed is adjustable, the rotating angle is very accurate, the accuracy of the rotating angle of the bobbin replacing turntable is improved, and the bobbin is stably replaced.

8. The upper pressing wheel and the lower pressing wheel are elastic rubber roller wheels when the bobbin is replaced, the upper pressing wheel and the lower pressing wheel are replaced to contact the bobbin when the bobbin replacing rotary table rotates, so that the bobbin can stably move along a bobbin replacing U-shaped table, certain elasticity is provided when the upper pressing wheel and the lower pressing wheel are replaced to avoid the bobbin from being clamped on the bobbin replacing U-shaped table to cause bobbin replacing interruption.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

FIG. 3 is a schematic view of the feed assembly of the present invention.

FIG. 4 is a top view of the feed assembly of the present invention.

FIG. 5 is a schematic view of the drawing apparatus of the present invention.

Figure 6 is a top view of a drafting device of the present invention.

FIG. 7 is a top view of the sliver forming apparatus of the present invention.

Fig. 8 is a schematic view showing the structure of the riblet device of the present invention.

Fig. 9 is an expanded view of a fixed stay curtain and a movable stay curtain of the present invention.

Fig. 10 is a schematic structural view of the creel device of the present invention.

Fig. 11 is a partial enlarged view of the invention at a in fig. 10.

FIG. 12 is a top plan view of the bobbin rotating toothed disc and bobbin insertion plug of the present invention.

FIG. 13 is a schematic structural view of a U-shaped bobbin plug groove and a bull eye universal roller at the bottom of the bobbin of the present invention.

In the figure: 1. drawing frame, 2 feeding device, 3 drafting device, 4 sliver forming device, 5 draw-bar device, 6 doffing guide device, 7 creeling device, 8 feeding beam, 9 feeding assembly, 10 feeding barrel, 11 feeding guide roller, 12 feeding sliver separating column, 13 feeding impurity scraper, 14 feeding impurity scraping wheel, 15 feeding impurity scraping wheel support, 16 feeding impurity scraping slide seat, 17 feeding impurity scraping rail, 18 feeding impurity scraping slide bar, 19 feeding impurity scraping pressure spring, 20 feeding impurity scraping fixing table, 21 negative pressure impurity removing pipe, 22 impurity removing scraper, 23 feeding impurity scraping slide bar limit table, 24 upper leather roller, 25 lower roller, 26 drafting guide sliver separating column, 27 bundling device, 28 first sliver forming roller, 29 first sliver forming roller scraping lug, 30 first sliver forming scraper, 31 second sliver forming roller, 32 second sliver forming roller scraping lug, 33. second ribbon roller scraper, 34, brace mechanism, 35, brace guide mechanism, 36, brace guide support, 37, first brace guide roller, 38, second brace guide roller, 39, third brace guide roller, 40, fixed brace assembly, 41, movable brace assembly, 42, fixed brace support, 43, fixed upper brace wheel, 44, fixed lower brace wheel, 45, fixed brace curtain, 46, fixed brace motor, 47, movable brace support, 48, movable upper brace wheel, 49, movable lower brace wheel, 50, movable brace curtain, 51, movable brace motor, 52, movable brace fixed platform, 53, movable connector, 54, movable slide bar, 55, movable pressure spring, 56, movable slide bar limit platform, 57, gathering rib, 58, doffing guide ring, 59, doffing guide slide bar, 60, doffing guide rack, 61, doffing guide gear, 62, doffing guide motor, 63. a bobbin changing U-shaped platform, 64 bobbin feeding rollers, 65 bobbin rotating mechanisms, 66 bobbin changing mechanisms, 67 bobbin linear feeding sections, 68 semicircular bobbin changing sections, 69 bobbin linear discharging sections, 70 bobbin rotating supporting seats, 71 bobbin rotating fluted discs, 72 bobbin rotating shafts, 73 bobbin rotating shaft supporting seats, 74 bobbin inserting plug columns, 75 bobbin rotating driving motors, 76 bobbin rotating driving gears, 77 bobbin lifting swing rods, 78 bobbin lifting cylinders, 79 bobbin lifting cylinder first lugs, 80 bobbin lifting cylinder second lugs, 81 rotating shaft supporting seat mounting platforms, 82 universal balls, 83 rotating shaft lifting platforms, 84 lifting calipers, 85. U-shaped bobbin plug grooves, 86 bull eye universal rollers, 87 bobbin changing rotating disks, 88 bobbin changing rotating disks, 89 bobbin changing arc-shaped arms and 90 bobbin changing pinch roller assemblies, 91. the method comprises the steps of replacing a cylinder, 92, replacing a cylinder, supporting a motor, 93, replacing a first bevel gear, 94, replacing a second bevel gear, 95, replacing an upper pressure wheel, 96, replacing a lower pressure wheel and 97, replacing a pressure wheel supporting shaft.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

As shown in fig. 1 and 2, a full automatic drawing frame comprises a drawing frame 1, a feeding device 2, a drafting device 3, a slivering device 4, a brace device 5, a doffing guide device 6 and a creel device 7.

As shown in fig. 1, 2, 3 and 4, the feeding device 2 includes a feeding beam 8 and a feeding assembly 9, the feeding beam 8 is installed on the drawing frame 1, the feeding assembly 9 is symmetrically arranged on both sides of the feeding beam 8, the feeding assembly 9 includes a feeding cylinder 10, a feeding guide roller 11, a feeding splitting column 12 and a feeding impurity scraper 13, the feeding guide roller 11 is rotatably arranged on the feeding beam 8, the feeding cylinder 10 is arranged on the lower side of the feeding guide roller 11, the feeding impurity scraper 13 is installed on one side of the feeding guide roller 11, the feeding impurity scraper 13 includes a feeding impurity scraping wheel 14, a feeding impurity scraping wheel support 15, a feeding impurity scraping slide 16, a feeding impurity scraping rail 17, a feeding impurity scraping slide bar 18, a feeding impurity scraping pressure spring 19, a feeding impurity scraping fixing table 20, a negative pressure impurity removing pipe 21 and an impurity removing scraper 22, the feeding impurity scraping fixing table 20 is installed on the feeding beam 8, the feeding impurity scraping track 17 is horizontally arranged on the feeding beam 8, the feeding impurity scraping slide seat 16 is arranged on the feeding impurity scraping track 17 in a sliding mode, the feeding impurity scraping slide rod 18 penetrates through the feeding impurity scraping fixed table 20, one end of the feeding impurity scraping slide rod 18 is connected with the feeding impurity scraping slide seat 16, the other end of the feeding impurity scraping slide rod 18 is provided with a feeding impurity scraping slide rod limiting table 23, the feeding impurity scraping pressure spring 19 and the feeding impurity scraping slide rod 18 are coaxially arranged, one end of the feeding impurity scraping pressure spring 19 is attached to the feeding impurity scraping slide seat 16, the other end of the feeding impurity scraping pressure spring 19 is attached to the feeding impurity scraping fixed table 20, the feeding impurity scraping wheel support 15 is arranged on the feeding impurity scraping slide seat 16, the feeding impurity scraping wheel 14 is rotatably arranged on the feeding impurity scraping wheel support 15, the feeding impurity scraping wheel 14 is attached to the feeding guide roller 11 under the action of the feeding impurity scraping pressure spring 19, the feeding striping columns 12 are uniformly arranged on the feeding impurity scraping slide base 16, the negative pressure impurity removing pipe 21 is arranged in the feeding impurity scraping slide base 16, the impurity removing scraper 22 is arranged at the upper end of the feeding impurity scraping slide base 16, and the impurity removing scraper 22 is positioned at the lower end of the feeding impurity removing wheel 14.

The feeding impurity scraping wheel 14 is provided with a strip running groove, which is beneficial for the strips in the feeding cylinder 10 to stably enter the feeding guide roller 11, and effectively avoids the deviation and the displacement of the strips, thereby ensuring that a plurality of strips are orderly transmitted and drawn.

Feeding device 2 still includes negative pressure house steward, edulcoration case, negative pressure machine (not drawn in the picture), and many negative pressure edulcoration pipes 21 and negative pressure house steward are connected, be provided with the edulcoration case between negative pressure house steward and the negative pressure machine, under negative pressure machine's effect, many negative pressure edulcoration pipe formation negative pressure, impurity on the strip is inhaled negative pressure edulcoration pipe 21 fast, avoids forming and piles up, and the setting of edulcoration case has guaranteed that impurity not only can be cleared up fast, avoids being inhaled negative pressure machine moreover, guarantees negative pressure machine continuous operation, avoids unexpected the emergence.

As shown in fig. 1, 2, 5 and 6, the drafting device 3 is installed on the drawing frame 1 and located at one side of the feeding device 2, the drafting device 3 includes an upper leather roller 24, two lower rollers 25, and a drafting guide splitting column 26, the upper leather roller 24 and the lower roller 25 are both rotatably installed on the drawing frame 1, one upper leather roller 24 and two lower rollers 25 are staggered up and down, the drafting guide splitting column 26 is uniformly installed at one side of the upper leather roller 24 and one side of the lower roller 25,

as shown in fig. 1, 2 and 7, the sliver forming device 4 is installed on the drawing frame 1, and is located at one side of the drafting device 3, the sliver forming device 4 comprises a buncher 27, a first sliver forming roller 28, a first sliver forming roller scraping lug 29, a first sliver forming roller scraper 30, a second sliver forming roller 31, a second sliver forming roller scraping lug 32 and a second sliver forming roller scraper 33, the buncher 27 is arranged on the drawing frame 1, the first forming roller 28 and the second forming roller 31 are rotatably arranged at one side of the buncher 27, the first and second forming rollers 28, 31 have different diameters and are obliquely staggered, the first forming roller scraping lug 29 and the first forming roller scraper 30 are arranged on one side of the first forming roller 28, the second former doctor blade 32 and the second former doctor blade 33 are mounted on one side of the second former 31.

As shown in fig. 1, 2, 8 and 9, the brace device 5 comprises a brace mechanism 34 and a brace guide mechanism 35, the brace guide mechanism 35 comprises a brace guide support 36, a first brace guide roller 37, a second brace guide roller 38 and a third brace guide roller 39, the brace guide support 36 is installed on the drawing frame 1, the first brace guide roller 37, the second brace guide roller 38 and the third brace guide roller 39 are staggered and rotatably arranged on the brace guide support 36, the brace mechanism 34 is arranged at the lower side of the brace guide mechanism 35, the brace mechanism 34 comprises a fixed brace assembly 40 and a movable brace assembly 41, the fixed brace assembly 40 comprises a fixed support brace 42, a fixed upper brace wheel 43, a fixed lower brace wheel 44, a fixed brace curtain 45 and a fixed brace motor 46, the fixed support brace 42 is installed on the drawing frame 1, the fixed upper brace wheel 43 and the fixed lower brace wheel 44 are respectively and rotatably arranged at the upper side and the lower side of the fixed brace support 42, the fixed brace curtain 45 is arranged on the fixed upper brace wheel 43 and the fixed lower brace wheel 44 in a surrounding manner, the fixed brace motor 46 is arranged on the fixed brace support 42, the fixed brace motor 46 is coaxially connected with the fixed lower brace wheel 44, the movable brace component 41 comprises a movable brace support 47, a movable upper brace wheel 48, a movable lower brace wheel 49, a movable brace curtain 50, a movable brace motor 51, a movable brace fixing table 52 and a movable connector 53, the movable brace fixing table 52 is arranged on the drawing frame 1, the movable brace support 47 is connected with the movable brace fixing table 52 through the movable connector 53, the movable connector 53 comprises a movable slide rod 54, a movable pressure spring 55 and a movable slide rod limiting table 56, the movable sliding rod 54 is slidably arranged on the movable brace fixing platform 52, the left end of the movable sliding rod 54 is connected with the movable brace support 47, a movable slide rod limiting table 56 is arranged at the right end of the movable slide rod 54, the movable pressure spring 55 and the movable slide rod 54 are coaxially arranged, one end of the movable pressure spring 55 is attached to the movable brace fixing platform 52, the other end of the movable pressure spring 55 is attached to the movable brace support 47, the movable upper brace wheel 48 and the movable lower brace wheel 49 are respectively and rotatably arranged at the upper end and the lower end of the movable brace support 47, the movable brace curtain 50 is arranged on the movable upper brace wheel 48 and the movable lower brace wheel 49 in a surrounding way, the movable brace motor 51 is arranged on the movable brace support 47, and the movable brace motor 51 is coaxially connected with the movable pull-down bar wheel 49, and the fixed brace curtain 45 and the movable brace curtain 50 are both provided with gathering convex strips 57 which incline inwards.

As shown in fig. 1, 2 and 8, the doffing guide 6 is disposed at the lower side of the bar device 5, the doffing guide 6 includes a doffing guide ring 58, a doffing guide slide bar 59, a doffing guide rack 60, a doffing guide gear 61, a doffing guide motor 62, the doffing guide slide bar 59 is slidably mounted on the movable bar fixing table 52, the doffing guide ring 58 is mounted at the end of the doffing guide slide bar 59, the doffing guide rack 60 is mounted on the doffing guide slide bar 59, the doffing guide motor 62 is mounted on the movable bar fixing table 52, and the doffing guide motor 62 and the doffing guide gear 61 are coaxially connected, and the doffing guide gear 61 and the doffing guide rack 60 are engaged with each other.

As shown in fig. 1, 2, 10, 11, 12 and 13, the creeling device 7 is disposed below the doffing guide device 6, the creeling device 7 includes a creeling U-shaped platform 64, a creeling roller 64, a bobbin revolving mechanism 65 and a bobbin replacing mechanism 66, the creeling U-shaped platform 64 includes a linear bobbin entering section 67, a semicircular bobbin changing section 68 and a linear bobbin exiting section 69, the semicircular bobbin changing section 68 is disposed between the linear bobbin entering section 67 and the linear bobbin exiting section 69, the linear bobbin entering section 67 is disposed in a right-high and left-low inclined manner, the linear bobbin exiting section 69 is disposed in a left-high and right-low inclined manner, the bobbin entering roller 64 is mounted on two sides of the linear bobbin entering section 70, the bobbin revolving mechanism 65 is disposed on a lower side of the semicircular bobbin changing section 68 of the creeling U-shaped platform 64, the bobbin revolving mechanism 65 includes a revolving shaft supporting seat 70, a bobbin revolving gear 71, a revolving shaft 72, a bobbin revolving shaft supporting seat 73, and a bobbin revolving shaft supporting seat 73, The bobbin rotating support 70 is arranged on the drawing frame 1, a rotating shaft support mounting table 81 is arranged on the outer side of the bobbin rotating shaft support 73, universal balls 82 are uniformly distributed on the inner side of the bobbin rotating shaft support 73, and the arrangement of the universal balls 82 can ensure that the bobbin rotating shaft 72 rotates and can also ensure that the bobbin rotating shaft 72 can stably move up and down. The bobbin rotating shaft support 73 is arranged on the bobbin rotating support 70 through a rotating shaft support mounting platform 81, the bobbin rotating fluted disc 71 is rotatably and liftably arranged on the bobbin rotating shaft support 73 through a bobbin rotating shaft 72, a rotating shaft lifting platform 83 is arranged at the lower end of the bobbin rotating shaft 72, the bobbin inserting plug 74 is arranged on the bobbin rotating fluted disc 71, the bobbin rotating driving motor 75 is arranged on the bobbin rotating support 70, the bobbin rotating driving motor 75 is coaxially connected with the bobbin rotating driving gear 76, the bobbin rotating driving gear 76 is meshed with the bobbin rotating fluted disc 71, the thickness of the bobbin rotating driving gear 76 is larger than that of the bobbin rotating fluted disc 71, the middle end of the bobbin lifting swing rod 77 is hinged on the doubling frame 1, one end of the bobbin lifting swing rod 77 is provided with a lifting caliper 84, the lifting caliper 84 is clamped at the lower end of the bobbin rotating shaft 72, the other end of the bobbin lifting swing rod 77 is provided with a first bobbin lifting cylinder lug 79, a second bobbin lifting cylinder lug 80 is mounted on the bobbin rotating support 70, two ends of the bobbin lifting cylinder 78 are respectively connected with the first bobbin lifting cylinder lug 79 and the second bobbin lifting cylinder lug 80, the bottom of the bobbin is provided with a U-shaped bobbin plug groove 85 and a bull eye universal roller 86, the bobbin replacing mechanism 66 is arranged at one side of the bobbin rotating mechanism 65, the bobbin replacing mechanism 66 comprises a bobbin replacing turntable 87, a bobbin replacing turntable fulcrum shaft 88, a bobbin replacing arc arm 89, a bobbin replacing pinch roller assembly 90, a bobbin replacing motor 91, a bobbin replacing motor support 92, a bobbin replacing first bevel gear 93 and a bobbin replacing second bevel gear 94, the bobbin replacing turntable 87 is rotatably arranged on the bobbin rotating support 70 through the bobbin replacing turntable 88, the bobbin change second bevel gear 94 is coaxially mounted on the bobbin change turntable support shaft 88, the bobbin replacing motor 91 is mounted on a bobbin replacing motor support 92, the bobbin replacing motor 91 is coaxially connected with a bobbin replacing first bevel gear 93, the bobbin replacing first bevel gear 93 and the bobbin replacing second bevel gear 94 are meshed with each other, the number of the bobbin replacing arc-shaped arms 89 is three, the three bobbin replacing arc-shaped arms are uniformly arranged on the bobbin replacing turntable 87, the bobbin replacing pinch roller assembly 90 is installed at the inner side and the outer side of the bobbin replacing arc-shaped arm 89, the bobbin replacing pinch roller assembly 90 comprises a bobbin replacing upper pinch roller 95, a bobbin replacing lower pinch roller 96 and a bobbin replacing pinch roller fulcrum shaft 97, the bobbin replacing pinch roller support shaft 97 is arranged on the bobbin replacing arc-shaped arm 89, and the bobbin replacing upper pinch roller 95 and the bobbin replacing lower pinch roller 96 are respectively and rotatably arranged at the upper side and the lower side of the bobbin replacing pinch roller support shaft 97.

The bobbin replacing motor 91 is a servo motor, not only the rotating speed is adjustable, but also the rotating angle is very accurate, which is beneficial to improving the accuracy of the rotating angle of the bobbin replacing turntable 87, thereby ensuring the stable replacement of the bobbin.

The bobbin replacing upper pressing wheel 95 and the bobbin replacing lower pressing wheel 96 are elastic rubber roller wheels, and in the rotating process of the bobbin replacing rotary table 87, the bobbin replacing upper pressing wheel 95 and the bobbin replacing lower pressing wheel 96 are in contact with the bobbin, so that the bobbin is guaranteed to move stably along the bobbin replacing U-shaped table 64, certain elasticity is provided for the bobbin replacing upper pressing wheel 95 and the bobbin replacing lower pressing wheel 96 in the replacing process, and the bobbin is prevented from being clamped on the bobbin replacing U-shaped table 64 to cause bobbin replacing interruption.

According to the technical scheme, when the full-automatic drawing frame is used, slivers in a feeding barrel 10 enter a feeding guide roller 11, the feeding impurity scraping roller 14 arranged on a feeding impurity scraping sliding seat 16 enables the slivers to be tightly attached between the feeding impurity scraping roller 14 and the feeding guide roller 11 under the action of a feeding impurity scraping pressure spring 19, the feeding impurity scraping roller 14 scrapes impurities and short fibers on the slivers along with conveying of the slivers, the impurities and the short fibers on the feeding impurity scraping roller 14 pass through an impurity removing scraper 22, the impurity removing scraper 22 scrapes the impurities and the short fibers adhered to the feeding impurity scraping roller 14, and the impurities and the short fibers are sucked into a negative pressure impurity removing pipe 21 under the action of negative pressure. The pressurized trash scraping mechanism is very ingenious in structure, stable sliver transmission is guaranteed by means of variable pressure of the feeding trash scraping pressure spring 19, and trash removal of slivers is achieved. The arrangement of the feeding striping column 12 ensures that the strips are stably conveyed and are prevented from being mutually stirred. The sliver then passes through a draft guide slitting column 26 and enters between an upper leather roller 24 and two lower rollers 25 for drafting. Then, the drafted slivers enter a buncher 27 to be gathered into strips, the structure that the first slivering roller 28 and the second slivering roller 31 have different diameters and are obliquely staggered is ingenious, and the structure is not like a common equal-diameter uniform-distribution structure at present, the ingenious structure skillfully prevents the loss and the disorder of side fibers when the cotton net is output at a high speed by utilizing the tension difference and the position difference of the slivering rollers with different diameters, increases the cohesive force among the fibers, and reduces the phenomena of roller winding and sliver breakage. And the arrangement of the first forming roller scraping lug 29, the first forming roller scraper 30, the second forming roller scraping lug 32 and the second forming roller scraper 33 can realize the real-time cleaning of the first forming roller 28 and the second forming roller 31 and avoid the aggregation of short fibers on the first forming roller 28 and the second forming roller 31. Then, the gathered sliver passes through a first brace guide roller 37, a second brace guide roller 38, and a third brace guide roller 39 of the brace guide mechanism 35 in order, and enters the brace mechanism 34. Because the brace mechanism 34 of the application is designed skillfully, the fixed brace assembly 40 and the movable brace assembly 41 are designed, under the action of the movable connector 53, the fixed brace curtain 45 and the movable brace curtain 50 tightly stick the strips, the fixed brace motor 46 and the movable brace motor 51 synchronously act, the fixed brace curtain 45 rotates clockwise on the fixed upper brace wheel 43 and the fixed lower brace wheel 44, the movable brace curtain 50 rotates anticlockwise on the movable upper brace wheel 48 and the movable lower brace wheel 49, and the fixed brace curtain 45 and the movable brace curtain 50 pull the strips to be conveyed downwards. Because all be provided with the inside sand grip 57 of gathering together of slope on fixed brace curtain 45 and the activity brace curtain 50, can guarantee that the strip is inwards gathered together, avoid the strip of drawing to scatter, more can avoid the strip to break away from fixed brace curtain 45 and activity brace curtain 50. The bobbin rotation driving motor 75 acts to drive the bobbin to rotate continuously through the bobbin rotation driving gear 76 and the bobbin rotation fluted disc 71. Meanwhile, the doffing guide motor 62 operates to drive the doffing guide ring 58 to reciprocate left and right through the doffing guide gear 61, the doffing guide rack 60 and the doffing guide slide bar 59, so that the slivers stably and uniformly fall into the bobbin.

When the bobbin is full of sliver, it needs to be replaced. Firstly, the piston rod of the bobbin lifting cylinder 78 retracts to drive the bobbin lifting swing rod 77 to swing anticlockwise, and under the action of gravity, the bobbin rotating fluted disc 71 and the bobbin rotating shaft 72 slide downwards along the bobbin rotating shaft support 73, so that the bobbin insertion plug 74 arranged on the bobbin rotating fluted disc 71 is separated from the U-shaped bobbin plug groove 85 at the lower end of the bobbin. Then, the bobbin replacing motor 91 is operated to drive the bobbin replacing rotary table 87 to rotate clockwise through the bobbin replacing first bevel gear 93 and the bobbin replacing second bevel gear 94, one of the bobbin replacing arc-shaped arms 89 pushes the bobbin filled with the slivers into the linear bobbin discharging section 69 from the semicircular bobbin replacing section 68 of the bobbin replacing U-shaped table 64, and the bobbin filled with the slivers slides out from the inclined linear bobbin discharging section 69 by virtue of the bull's eye universal roller 86. One of the bobbin replacing arc arms 89 pushes the bobbins arranged in the linear bobbin entering section 67 to the semicircular bobbin replacing section 68 of the bobbin replacing U-shaped platform 64, the bobbins are pushed to the upper part of the bobbin rotary fluted disc 71, then the piston rod of the bobbin lifting cylinder 78 extends out to drive the bobbin lifting 78 swing rod to swing clockwise, the lifting caliper 84 at the left end of the bobbin lifting swing rod 77 drives the bobbin rotating fluted disc 71 and the bobbin rotating shaft 72 to slide upwards along the bobbin rotating shaft support 73 through the rotating shaft lifting platform 83 at the lower end of the bobbin rotating shaft 72, so that the bobbin insertion plug 74 arranged on the bobbin rotating fluted disc 71 is clamped into the U-shaped bobbin plug groove 85 at the lower end of the bobbin, in the process, as the thickness of the bobbin rotation driving gear 76 is larger than that of the bobbin rotation fluted disc 71, the bobbin rotation driving gear 76 and the bobbin rotation fluted disc 71 are always meshed, and the bobbin replacing motor 91 drives a new bobbin to rotate again. The other bobbin change arc arm 89 is ready for the next bobbin change.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.