1. The utility model provides a machine is sold to plastic bag intelligence, includes under casing (1), rotary mechanism (2), fixture (3), closing mechanism (4) and discharge mechanism (5), its characterized in that: a closing mechanism (4) is installed at the left end of the bottom box (1), a rotating mechanism (2) is installed on the rear side of the inner wall of the right end of the bottom box (1), a clamping mechanism (3) is installed on the rotating mechanism (2), and a discharging mechanism (5) is installed on the front side of the inner wall of the right end of the bottom box (1); wherein:

the rotary mechanism (2) comprises an L-shaped plate (2a), a rotary round rod (2b), a rotary round roller (2c), a driven round plate (2d), a driving round plate (2e), a transmission rod (2f), a driving round rod (2g), an L panel (2h), a connecting round rod (2i), a locking ring (2j), an L-shaped rod (2k), a sliding block (2L), a locking spring rod (2m) and a locking round rod (2n), wherein the L-shaped plate (2a) is installed on the rear side of the inner wall of the right end of the bottom box (1), the rotary round rod (2b) is installed between the L-shaped plate (2a) and the inner wall of the right end of the bottom box (1) in a rotation matching mode, the rotary round roller (2c) is installed between the L-shaped plate (2a) and the inner wall of the right side of the bottom box (1) on the rotary round rod (2b), the left end of the rotary round rod (2b) penetrates through the L-shaped plate (2a) to install the driven round plate (2d), an L-shaped panel (2h) is installed on the outer wall of the left end of an L-shaped plate (2a), a connecting round rod (2i) is installed on the L-shaped panel (2h) in a rotating fit mode, a locking ring (2j) is installed on the outer wall of the left end of the L-shaped panel (2h), the circle center of the locking ring (2j) is coincident with the position of the circle center of the connecting round rod (2i), a locking groove is formed in the outer wall of the left end of the locking ring (2j), a transmission rod (2f) is installed at the right end of the connecting round rod (2i), an active round plate (2e) is installed on the outer wall of the right end of the transmission rod (2f), an active round rod (2g) is installed on the outer wall of the right end of the transmission rod (2f) and located on the lower side of the active round plate (2e), an L-shaped rod (2k) is installed at the left end of the connecting round, a locking round rod (2n) is arranged at the central position on the outer wall of the right end of the sliding block (2l), the locking round rod (2n) is arranged in the locking groove in a sliding fit mode, a locking spring rod (2m) is arranged at the upper end of the sliding block (2l), and the upper end of the locking spring rod (2m) is connected to the inner wall of the upper end of the through groove;

the clamping mechanism (3) comprises a square rod (30), a clamping disc (31), a clamping circular tube (32), a clamping spring rod (33), a jacking circular plate (34), an unlocking rod (35), a jacking rod (36), an arc panel (37) and a return spring rod (38), the outer wall of the rotary circular roller (2c) is bilaterally symmetrical along the circumferential direction of the outer wall and is uniformly provided with the square rod (30), the square rod (30) is provided with the clamping disc (31), the clamping circular tube (32) is arranged on the clamping disc (31) in a rotation fit manner, the inner wall of the clamping circular tube (32) is provided with the clamping spring rod (33), the clamping circular plate (34) is arranged on the clamping circular tube (32) in a sliding fit manner, the outer wall of the clamping circular tube (32) far away from one end of the rotary circular roller (2c) is provided with a through groove close to one side of the clamping disc (31), install unblock pole (35) through sliding fit's mode in the poling groove, unblock pole (35) are connected on jacking plectane (34) outer wall, the through-hole has evenly been seted up along its circumference direction on the centre gripping pipe (32) outer wall and keeping away from centre gripping disc (31) one side, install jacking rod (36) through sliding fit's mode in the through-hole, keep away from centre gripping pipe (32) centre of a circle department one end on jacking rod (36) and install cambered plate (37), evenly install return spring pole (38) along its circumference direction on centre gripping pipe (32) outer wall, return spring pole (38) are connected on cambered plate (37) and are close to the inner wall of centre gripping pipe (32) centre of a circle position department one end.

2. The intelligent vending machine for plastic bags according to claim 1, wherein: the discharging mechanism (5) comprises a bearing plate (5a), a tight round rod (5b), a tight round roller (5c), a discharging belt (5d), a transmission gear (5e), an internal toothed belt (5f), a driving gear (5g), an L-shaped plate (5h), a discharging motor (5i), a T-shaped round rod (5j), a cover plate (5k) and a positioning threaded rod (5L), wherein the bearing plate (5a) is installed on the front side of the inner wall of the right end of the bottom box (1), the T-shaped round rod (5j) is installed on the front side of the inner wall of the right end of the bottom box (1) and is positioned on the rear side of the upper end of the bearing plate (5a), the cover plate (5k) is installed on the T-shaped round rod (5j) in a rotation fit manner, a rotary round groove is formed on the front side of the cover plate (5k) from the left end to the right end, the positioning threaded rod (5L) is installed in the rotary groove in a rotation fit manner, flat grooves are formed on the lower end of the cover plate (5k) and the outer wall of the bearing plate (5a), tight round bars (5b) are symmetrically arranged on the inner wall of the right end of the flat groove in a front-back matching manner, tight round rollers (5c) are arranged between the inner walls of the left end and the right end of the flat groove on the tight round bars (5b), the tight round rollers (5c) are connected through discharging belts (5d), the discharging belts (5d) are matched with each other for use, the left end of each tight round bar (5b) penetrates through the inner wall of the left end of the flat groove to be provided with a transmission gear (5e), the transmission gears (5e) are connected through an internal tooth belt (5f), a driving gear (5g) is arranged on the transmission gear (5e) on the tight round bar (5b) at the upper rear end of the inner wall of the flat groove and is meshed with each other for use, an L-shaped plate (5h) is arranged at the rear side of the outer wall of the left end of a cover plate (5k), and a discharging motor (5i) is arranged on the L-shaped plate (5h), the output end of the discharging motor (5i) is connected to the outer wall of a driving gear (5g) on the cover plate (5 k).

3. The intelligent vending machine for plastic bags according to claim 1, wherein: closing mechanism (4) including closing door (41), closing plate (42), inserted block (43) and closing lock (44), inner wall at both ends about under casing (1) left end between install relevant door (41) through normal running fit's mode, close door (41) left end outer wall rear side and install closing plate (42), close and set up relevant closed groove on board (42), inserted block (43) are installed to under casing (1) left end outer wall rear side, and use mutually supporting between inserted block (43) and the closed groove, seted up the jack on inserted block (43), set up relevant shutting (44) in the jack.

4. The intelligent vending machine for plastic bags according to claim 1, wherein: the diameter of the jacking circular plate (34) is gradually reduced from one end close to the clamping circular plate (31) to one end far away from the clamping circular plate (31), one end of the jacking rod (36) close to the circle center of the clamping circular tube (32) is an arc-shaped inclined surface, and the arc-shaped inclined surface and the jacking circular plate (34) are mutually matched for use.

5. The intelligent vending machine for plastic bags according to claim 1, wherein: driven plectane (2d) outer wall on evenly seted up the cambered surface groove along its circumference direction, and the cambered surface groove uses with mutually supporting between initiative plectane (2e), follow on the driven plectane (2d) outer wall along its circumference direction and lie in the clearance department between the adjacent cambered surface groove and seted up the initiative groove, and mutually support between initiative round bar (2g) and the initiative groove and use, the arc type breach has been seted up on the outer wall of initiative plectane (2e) lower extreme, and mutually support between arc breach and the driven plectane (2d) and use.

6. The intelligent vending machine for plastic bags according to claim 1, wherein: the upper part of a locking groove on the locking ring (2j) is a circular groove, the lower part of the circular groove is a straight groove, and the straight groove is connected with the central position of the lower end of the circular groove.

7. A plastic bag smart vending machine according to claim 2, wherein: the outer wall of one end of the cambered plate (37) far away from the circle center of the clamping circular tube (32) is provided with a rubber block (321).

8. A plastic bag smart vending machine according to claim 2, wherein: the inner wall of the right end of the bottom box (1) takes a T-shaped round rod (5j) as a circle center and is positioned on the upper side of the bearing plate (5a) to be provided with an arc-shaped groove, the inner wall of the arc-shaped groove is uniformly provided with positioning thread grooves along the circumferential direction, and the positioning thread grooves and the positioning thread rods (5l) are matched with each other for use.

9. A plastic bag smart vending machine according to claim 2, wherein: the outer wall of the front end of the bottom box (1) is provided with a discharge chute which is positioned at the upper side of the bearing plate (5a), the front side of the upper end face of the bearing plate (5a) is an inclined surface inclined from the rear end to the front end, and the front end of the bearing plate (5a) is connected with the inner wall of the front end of the bottom box (1).

Background

Plastic bags, which are bags made of plastic as a main raw material, are essential items in daily life of people and are often used for containing other items. It is widely used because of its advantages of low cost, extremely light weight, large capacity, and easy storage. At present, shopping bags are sold manually at manual cashier desks in shopping malls and supermarkets, a cashier needs to inquire the specification and the number of customers before selling the shopping bags, the efficiency is very low, and the intelligent plastic bag vending machine is needed to improve the working efficiency of the cashier.

However, the existing plastic bag selling machine has the following problems that when the plastic bag is discharged, the use of the plastic bag is influenced because two layers of the plastic bag are easy to slip to form wrinkles when the traditional plastic bag selling machine discharges the plastic bag; secondly, the traditional plastic bag vending machine generally adopts the cylindrical rollers to convey the plastic bag, the two cylindrical rollers rotate relatively to press and convey the plastic bag, and because the plastic bag is double-layer, air in the plastic bag cannot be discharged timely in the pressing and conveying process of the plastic bag to form a bulge, the discharge roller is clamped when the plastic bag is pressed and conveyed, and the plastic bag is damaged.

Disclosure of Invention

Technical problem to be solved

The intelligent vending machine for the plastic bags, provided by the invention, can solve the problems existing in the vending process of the plastic bags.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme that the intelligent vending machine for plastic bags comprises a bottom box, a rotating mechanism, a clamping mechanism, a closing mechanism and a discharging mechanism, wherein the closing mechanism is installed at the left end of the bottom box, the rotating mechanism is installed on the rear side of the inner wall of the right end of the bottom box, the clamping mechanism is installed on the rotating mechanism, and the discharging mechanism is installed on the front side of the inner wall of the right end of the bottom box.

The rotary mechanism comprises an L-shaped plate, a rotary round rod, a rotary round roller, a driven round plate, a driving round plate, a transmission rod, a driving round rod, an L panel, a connecting round rod, a locking round ring, an L-shaped rod, a sliding block, a locking spring rod and a locking round rod, wherein the L-shaped plate is arranged on the rear side of the inner wall of the right end of the bottom box, the rotary round rod is arranged between the L-shaped plate and the inner wall of the right end of the bottom box in a rotation matching mode, the rotary round roller is arranged on the rotary round rod and positioned between the L-shaped plate and the inner wall of the right side of the bottom box, the driven round plate is arranged at the left end of the rotary round rod after penetrating through the L-shaped plate, the L panel is arranged on the outer wall of the left end of the L panel, the connecting round rod is arranged on the L panel in a rotation matching mode, the locking round ring is arranged on the outer wall of the left end of the L panel, the position of the circle center of the locking round rod coincides with the position of the connecting round rod, and a locking groove is arranged on the outer wall of the left end of the locking round ring, connect the pole right-hand member and install the transfer line, install the initiative plectane on the transfer line right-hand member outer wall, just be located initiative plectane downside and install the initiative pole on the transfer line right-hand member outer wall, connect the pole left end and install L form pole, logical groove has been seted up on the L form pole, logical inslot installs the sliding block through sliding fit's mode, central point on the sliding block right-hand member outer wall puts the department and installs the locking pole, and the locking pole passes through sliding fit's mode and installs at the locking inslot, the locking spring beam is installed to the sliding block upper end, the connection of locking spring beam upper end is on logical groove upper end inner wall, can adjust the last roll-shaped plastic bag of centre gripping of fixture and move suitable ejection of compact position.

The clamping mechanism comprises a square rod, a clamping disc, a clamping circular tube, a clamping spring rod, a jacking circular plate, an unlocking rod, a jacking rod, an arc-shaped plate and a return spring rod, wherein the square rod is symmetrically and uniformly arranged on the outer wall of the rotary circular roller along the circumferential direction of the rotary circular roller, the clamping disc is arranged on the square rod, the clamping circular tube is arranged on the clamping disc in a rotating fit manner, the clamping spring rod is arranged on the inner wall of the clamping circular tube, the jacking circular plate is arranged on the clamping spring rod and is arranged in the clamping circular tube in a sliding fit manner, a through groove is formed in the outer wall of the clamping circular tube, which is far away from one end of the rotary circular roller, close to one side of the clamping disc, a through groove is formed in the through sliding fit manner, the unlocking rod is connected to the outer wall of the jacking circular tube, one side of the outer wall of the clamping circular tube, which is far away from the clamping circular plate, is uniformly provided with through holes along the circumferential direction, install the liftout rod through sliding fit's mode in the through-hole, keep away from centre of a circle department one end of centre of a circle of centre gripping pipe on the liftout rod and install the cambered plate, evenly install return spring beam along its circumference direction on the centre gripping pipe outer wall, return spring beam connects on the inner wall that is close to centre of a circle position department one end of centre gripping pipe on the cambered plate, can carry out stable centre gripping transport operation to roll-like plastic bag.

As a preferred technical scheme of the invention, the discharging mechanism comprises a bearing plate, a tight round rod, a tight round roller, a discharging belt, a transmission gear, an internal toothed belt, a driving gear, an L-shaped plate, a discharging motor, a T-shaped round rod, a cover plate and a positioning threaded rod, wherein the bearing plate is arranged on the front side of the inner wall of the right end of the bottom box, the T-shaped round rod is arranged on the front side of the inner wall of the right end of the bottom box and is positioned on the rear side of the upper end of the bearing plate, the cover plate is arranged on the T-shaped round rod in a rotation fit manner, a rotary round groove is formed in the front side of the cover plate from the left end to the right end, the positioning threaded rod is arranged in the rotary fit manner in the rotary round groove, flat grooves are formed in the outer wall of the lower end of the cover plate and the outer wall of the upper end of the bearing plate, the tight round rod is symmetrically arranged on the inner wall of the right end and front of the flat groove, the tight round rod is arranged between the inner walls of the left and right ends of the flat groove, support and be connected through ejection of compact belt between the tight round roller, and mutually support between the ejection of compact belt and use, support tight round bar left end and pass the straight flute left end inner wall and install drive gear, be connected through internal tooth belt between the drive gear, be located the straight flute inner wall on the drive gear on the tight round bar of support of rear end install the driving gear, and intermeshing uses between the driving gear, L form board is installed to apron left end outer wall rear side, install ejection of compact motor on the L form board, ejection of compact motor output is connected on being located the driving gear outer wall on the apron, through the surface contact between plastic bag and the ejection of compact belt, make the plastic bag can not take place the phenomenon of fold and drum package when the ejection of compact is carried, the conveying efficiency and the quality of plastic bag have been improved.

As a preferable technical scheme of the invention, the closing mechanism comprises a closing door, a closing plate, an inserting block and a closing lock, wherein the closing door is installed between the inner walls of the upper end and the lower end of the left end of the bottom box in a rotating fit mode, the closing plate is installed on the rear side of the outer wall of the left end of the closing door, a related closing groove is formed in the closing plate, the inserting block is installed on the rear side of the outer wall of the left end of the bottom box, the inserting block and the closing groove are mutually matched for use, an inserting hole is formed in the inserting block, and related locking is arranged in the inserting hole, so that the bottom box can be stably closed.

As a preferred technical scheme of the invention, the diameter of the jacking circular plate is gradually reduced from one end close to the clamping circular plate to one end far away from the clamping circular plate, one end of the jacking rod close to the circle center of the clamping circular tube is an arc-shaped inclined surface, and the arc-shaped inclined surface and the jacking circular plate are mutually matched for use, so that the jacking circular plate can drive the jacking rod to move.

As a preferred technical scheme of the invention, the outer wall of the driven circular plate is uniformly provided with cambered surface grooves along the circumferential direction, the cambered surface grooves and the driving circular plate are matched with each other for use, the outer wall of the driven circular plate is provided with driving grooves along the circumferential direction and positioned at the gaps between the adjacent cambered surface grooves, the driving circular rod and the driving grooves are matched with each other for use, the outer wall of the lower end of the driving circular plate is provided with a cambered notch, and the cambered notch and the driven circular plate are matched with each other for use, so that the driving circular rod can drive the driven circular plate to rotate for 90 degrees after rotating for one circle.

As a preferred technical scheme of the invention, the upper part of the locking groove on the locking ring is a ring groove, the lower part of the ring groove is a straight groove, and the straight groove is connected with the central position of the lower end of the ring groove, so that the locking groove can perform stable locking operation on the locking round rod.

As a preferred technical scheme of the invention, the rubber block is arranged on the outer wall of one end of the cambered plate, which is far away from the circle center of the clamping circular tube, so that the clamping stability of the roll-shaped plastic bag is improved.

As a preferred technical scheme of the invention, the inner wall of the right end of the bottom box takes the T-shaped round rod as the center of a circle and is provided with an arc-shaped groove at the upper side of the bearing plate, the inner wall of the arc-shaped groove is uniformly provided with positioning thread grooves along the circumferential direction, and the positioning thread grooves and the positioning thread rods are matched with each other for use, so that the cover plate can be stably positioned.

As a preferred technical scheme of the invention, the outer wall of the front end of the bottom box and the upper side of the bearing plate are provided with the discharging groove, the front side of the upper end surface of the bearing plate is an inclined surface inclined from the rear end to the front end, and the front end of the bearing plate is connected with the inner wall of the front end of the bottom box, so that the plastic bag can be stably discharged.

(III) advantageous effects

1. The invention can solve the following problems existing in the prior plastic bag selling, namely, when the plastic bag is discharged by the traditional plastic bag selling machine, the use of the plastic bag is influenced because two layers of the plastic bag are easy to slip to form wrinkles; secondly, the traditional plastic bag vending machine generally adopts the cylindrical rollers to convey the plastic bag, the two cylindrical rollers rotate relatively to press and convey the plastic bag, and because the plastic bag is double-layer, air in the plastic bag cannot be discharged timely in the pressing and conveying process of the plastic bag to form a bulge, the discharge roller is clamped when the plastic bag is pressed and conveyed, and the plastic bag is damaged.

2. The rotary mechanism and the clamping mechanism designed by the invention can enable the cambered plate to stably clamp the rolled plastic bag through the abutting operation of the clamping spring rod, and enable the rotary round roller to drive the rolled plastic bag clamped on the clamping mechanism to move to the anti-rolling position through manually rotating the L-shaped rod, so that the rolled plastic bag can be stably clamped and conveyed.

3. The discharging mechanism designed by the invention enables the cover plate and the discharging belt on the bearing plate to stably support the plastic bag through manually rotating the cover plate, and enables the plastic bag not to generate wrinkles and bulges during discharging and conveying through surface contact between the plastic bag and the discharging belt, thereby improving the conveying efficiency and quality of the plastic bag.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view (from left to right) of FIG. 1 of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged schematic view at K of FIG. 3 of the present invention;

FIG. 6 is a schematic view of the internal structure of FIG. 1 of the present invention (viewed from left to right);

fig. 7 is a partial schematic view of a rotary mechanism of the present invention;

FIG. 8 is a partial schematic view of the discharge mechanism of the present invention;

FIG. 9 is a partial schematic view of the closure mechanism of the present invention;

FIG. 10 is a schematic view of the locking ring of the present invention;

fig. 11 is a schematic diagram of the operation of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in figures 1 to 11, a machine is sold to plastic bag intelligence, including under casing 1, rotary mechanism 2, fixture 3, closing mechanism 4 and discharge mechanism 5, under casing 1 left end install closing mechanism 4, under casing 1 right-hand member inner wall rear side installs rotary mechanism 2, last fixture 3 of installing of rotary mechanism 2, discharge mechanism 5 is installed to under casing 1 right-hand member inner wall front side.

Closing mechanism 4 including closing door 41, closing plate 42, inserted block 43 and closing lock 44, the inner wall at both ends about under 1 left end between install relevant door 41 through normal running fit's mode, close door 41 left end outer wall rear side and install closing plate 42, set up relevant closed groove on the closing plate 42, inserted block 43 is installed to under 1 left end outer wall rear side, and the use of mutually supporting between inserted block 43 and the closed groove, seted up the jack on the inserted block 43, set up relevant shutting 44 in the jack.

In operation, the switch latch 44 is manually opened to pivot the closure plate 42 out of the insert 43 and open the closeout door 41.

The rotary mechanism 2 comprises an L-shaped plate 2a, a rotary round rod 2b, a rotary round roller 2c, a driven round plate 2d, a driving round plate 2e, a transmission rod 2f, a driving round rod 2g, an L-shaped panel 2h, a connecting round rod 2i, a locking ring 2j, an L-shaped rod 2k, a sliding block 2L, a locking spring rod 2m and a locking round rod 2n, wherein the L-shaped plate 2a is arranged on the rear side of the inner wall of the right end of the bottom box 1, the rotary round rod 2b is arranged between the L-shaped plate 2a and the inner wall of the right end of the bottom box 1 in a rotation fit manner, the rotary round roller 2c is arranged on the rotary round rod 2b and positioned between the L-shaped plate 2a and the inner wall of the right side of the bottom box 1, the left end of the rotary round rod 2b penetrates through the L-shaped plate 2a to be provided with the driven round plate 2d, the L-shaped panel 2h is arranged on the outer wall of the left end of the L-shaped plate 2a, the L-shaped plate 2h is provided with the connecting round rod 2i in a rotation fit manner, a locking ring 2j is arranged on the outer wall of the left end of the L-shaped panel 2h, the circle center of the locking ring 2j coincides with the circle center of the connecting round rod 2i, a locking groove is arranged on the outer wall of the left end of the locking ring 2j, a transmission rod 2f is arranged at the right end of the connecting round rod 2i, an active round plate 2e is arranged on the outer wall of the right end of the transmission rod 2f, an active round rod 2g is arranged on the outer wall of the right end of the transmission rod 2f and positioned below the active round plate 2e, an L-shaped rod 2k is arranged at the left end of the connecting round rod 2i, a through groove is arranged on the L-shaped rod 2k, a sliding block 2L is arranged in the through groove in a sliding fit mode, and a locking round rod 2n is arranged at the central position on the outer wall of the right end of the sliding block 2L, and locking round bar 2n installs at the locking inslot through sliding fit's mode, and locking spring pole 2m is installed to 2l upper ends of sliding block, and locking spring pole 2m upper end is connected on leading to inslot upper end inner wall.

Driven plectane 2d outer wall on evenly seted up the cambered surface groove along its circumference direction, and the cambered surface groove uses with mutually supporting between the initiative plectane 2e, follow its circumference direction on the driven plectane 2d outer wall and lie in the clearance department between the adjacent cambered surface groove and seted up the initiative groove, and mutually support between initiative round bar 2g and the initiative groove and use, seted up the arc type breach on the outer wall of initiative plectane 2e lower extreme, and mutually support between arc breach and the driven plectane 2d and use.

The upper part of the locking groove on the locking ring 2j is a circular groove, the lower part of the circular groove is a straight groove, and the straight groove is connected with the central position of the lower end of the circular groove.

The clamping mechanism 3 comprises a square rod 30, a clamping disc 31, a clamping circular tube 32, a clamping spring rod 33, a jacking circular plate 34, an unlocking rod 35, an ejecting rod 36, an arc panel 37 and a return spring rod 38, the outer wall of the rotary circular roller 2c is bilaterally symmetrical and evenly provided with the square rod 30 along the circumferential direction, the square rod 30 is provided with the clamping disc 31, the clamping circular tube 32 is arranged on the clamping disc 31 in a rotation fit manner, the inner wall of the clamping circular tube 32 is provided with the clamping spring rod 33, the jacking circular plate 34 is arranged on the clamping spring rod 33, the jacking circular plate 34 is arranged in the clamping circular tube 32 in a sliding fit manner, the outer wall of the clamping circular tube 32 far away from one end of the rotary circular roller 2c is provided with a through groove close to one side of the clamping circular tube 31, the unlocking rod 35 is arranged in the through a sliding fit manner, the unlocking rod 35 is connected to the outer wall of the jacking circular plate 34, through-holes are evenly formed in the outer wall of the clamping circular tube 32 and in one side, away from the clamping disc 31, along the circumferential direction of the clamping circular tube, a jacking rod 36 is installed in the through-holes in a sliding fit mode, one end, away from the center of the clamping circular tube 32, of the jacking rod 36 is installed with an arc panel 37, a rubber block 321 is installed on the outer wall, away from the end, away from the center of the clamping circular tube 32, of the arc panel 37, return spring rods 38 are evenly installed on the outer wall, along the circumferential direction of the outer wall of the clamping circular tube 32, and the return spring rods 38 are connected to the inner wall, close to the end, of the center of the clamping circular tube 32, of the arc panel 37.

The diameter of the jacking circular plate 34 is gradually reduced from one end close to the clamping circular plate 31 to one end far away from the clamping circular plate 31, one end of the jacking rod 36 close to the circle center of the clamping circular tube 32 is an arc-shaped inclined surface, and the arc-shaped inclined surface and the jacking circular plate 34 are matched with each other for use.

When the automatic opening and closing device works specifically, after the door 41 is opened manually, the unlocking rod 35 is pushed manually to slide in the through groove, the unlocking rod 35 drives the jacking circular plate 34 to move, the jacking circular plate 34 drives the clamping spring rod 33 to move, so that the clamping spring rod 33 is in a compressed state, under the tensioning action of the return spring rod 38, the return spring rod 38 drives the arc panel 37 to move to a proper position, the coiled packaging bag is sleeved on the arc panel 37 manually, the thrust on the unlocking rod 35 is loosened manually, under the rebounding action of the clamping spring rod 33, the jacking circular plate 33 drives the jacking circular plate 34 to move, the jacking circular plate 34 drives the jacking rod 36 to move, the jacking rod 36 drives the arc panel 37 to move, so that the arc panel 37 and the rubber block 321 are abutted against the inner wall of the coiled packaging bag, and the arc panel 37 and the rubber block 321 support the coiled packaging bag for internal supporting and clamping operation.

After the clamping operation of the roll-shaped packaging bag is finished, the sliding block 2L is manually pushed to slide towards the upper end in the through groove, the sliding block 2L drives the locking spring rod 2m to move, so that the locking spring rod 2m is in a compressed state, meanwhile, the sliding block 2L drives the locking round rod 2n to slide out of a straight groove at the lower part of a locking groove on the locking round ring 2j, the L-shaped rod 2k is manually rotated, the L-shaped rod 2k drives the sliding block 2L to rotate, the sliding block 2L drives the locking round rod 2n to slide in a circular groove at the upper part of the locking groove on the locking round ring 2j, after the L-shaped rod 2k rotates for a circle, the sliding block 2L drives the locking round rod 2n to continuously slide into the straight groove at the lower part of the locking groove on the locking round ring 2j, under the abutting action of the locking spring rod 2m, the locking spring rod 2m drives the sliding block 2L to move, so that the locking round rod 2n is driven by the sliding block 2L to lock and position the L-shaped rod 2k, meanwhile, the L-shaped rod 2k drives the connecting round rod 2i to rotate for one circle, the connecting round rod 2i drives the transmission rod 2f to rotate for one circle, the transmission rod 2f drives the driving circular plate 2e to rotate for one circle, meanwhile, the transmission rod 2f drives the driving circular rod 2g to rotate for one circle, the driving circular rod 2g drives the driving grooves on the driven circular plate 2d to rotate for 90 degrees through the mutual matching operation between the driving circular grooves on the driving circular rod 2g, the driving circular rod 2g drives the driven circular plate 2d to rotate for 90 degrees, the driven circular plate 2d drives the rotating circular rod 2b to rotate for 90 degrees, the rotating circular roller 2c drives the square rod 30 to rotate for 90 degrees, the square rod 30 drives the clamping circular disk 31 to rotate for 90 degrees, the clamping circular disk 31 drives the rolled packaging bag clamped on the cambered plate 37 to rotate for 90 degrees, and the driving circular plate 2e carries out the positioning operation on the driven circular plate 2d through the mutual matching operation between the cambered grooves on the driving circular plate 2e and the driven circular plate 2d, by repeating the above-described operation manually, all the roll-shaped packaging bags can be stably held by the arc plate 37 and the rubber block 321.

The discharging mechanism 5 comprises a bearing plate 5a, a tight round rod 5b, a tight round roller 5c, a discharging belt 5d, a transmission gear 5e, an internal toothed belt 5f, a driving gear 5g, an L-shaped plate 5h, a discharging motor 5i, a T-shaped round rod 5j, a cover plate 5k and a positioning threaded rod 5L, wherein the bearing plate 5a is installed on the front side of the inner wall of the right end of the bottom box 1, the T-shaped round rod 5j is installed on the front side of the inner wall of the right end of the bottom box 1 and is positioned on the rear side of the upper end of the bearing plate 5a, the cover plate 5k is installed on the T-shaped round rod 5j in a rotation matching mode, a rotary round groove is formed in the front side of the cover plate 5k from the left end to the right end, the positioning threaded rod 5L is installed in the rotary matching mode in the rotary round groove, flat grooves are formed in the outer wall of the lower end of the cover plate 5k and the outer wall of the upper end of the bearing plate 5a, the tight round rod 5b is symmetrically installed on the inner wall of the right end of the flat groove in the front and back in the rotation matching mode, the inner walls of the left end and the right end of the flat groove on the tight supporting round rod 5b are provided with tight supporting round rollers 5c, the tight supporting round rollers 5c are connected through discharging belts 5d, the discharging belts 5d are matched with each other for use, the left end of the tight supporting round rod 5b penetrates through the inner wall of the left end of the flat groove to be provided with a transmission gear 5e, the transmission gear 5e is connected through an inner tooth belt 5f, the transmission gear 5e on the tight supporting round rod 5b at the rear end of the inner wall of the flat groove is provided with a driving gear 5g, the driving gears 5g are meshed with each other for use, the rear side of the outer wall of the left end of the cover plate 5k is provided with an L-shaped plate 5h, the L-shaped plate 5h is provided with a discharging motor 5i, and the output end of the discharging motor 5i is connected to the outer wall of the driving gear 5g on the cover plate 5 k.

The inner wall of the right end of the bottom box 1 is provided with an arc-shaped groove which takes a T-shaped round rod 5j as a circle center and is positioned at the upper side of the bearing plate 5a, the inner wall of the arc-shaped groove is uniformly provided with positioning thread grooves along the circumferential direction, and the positioning thread grooves and the positioning thread rods 5l are matched with each other for use.

The bottom case 1 front end outer wall on and be located the bearing board 5a upside and seted up the blown down tank, bearing board 5a up end front side is the oblique form face of slope from the rear end to the front end, and bearing board 5a front end is connected with bottom case 1 front end inner wall.

When the packaging bag closing device works specifically, after all the rolled packaging bags are clamped manually, the positioning threaded rods 5l are rotated out of the positioning threaded grooves manually, the cover plate 5k is pushed manually to rotate to a certain angle by taking the T-shaped round rods 5j as centers, the openings of the rolled packaging bags are pulled manually to penetrate through the discharging belt 5d, the cover plate 5k is rotated manually to the initial position, the discharging belt 5d is used for abutting the packaging bags tightly, the positioning threaded rods 5l are rotated into the positioning threaded grooves, the closing door 41 is closed manually, the closing plate 42 is rotated into the inserting block 43, and the closing lock 44 is closed manually.

When customer sweeps the sign indicating number and purchases, open discharge motor 5 i's switch through the control unit, discharge motor 5i drives driving gear 5g and rotates, rotate in opposite directions through gear engagement's mode between the driving gear 5g, driving gear 5g drives drive gear 5e and rotates, through internal tooth belt 5f mutual transmission between drive gear 5e, make drive gear 5e drive to support tight round bar 5b and rotate, support tight round bar 5b and drive to support tight round roller 5c and rotate, support tight round roller 5c and drive internal tooth belt 5f and rotate, make internal tooth belt 5f drive the wrapping bag motion, make wrapping bag roll-off layer board 5a and blown down tank, customer stimulates the mouth in advance of wrapping bag, it can to take out the wrapping bag.

During operation

The first step is as follows: the closing door 41 is opened by rotating the closing plate 42 out of the insertion block 43 and manually opening the closing door 41 by opening the switch latch 44, the unlocking rod 35 is manually pushed to slide in the through groove, the unlocking rod 35 drives the jacking circular plate 34 to move, the jacking circular plate 34 drives the clamping spring rod 33 to move, so that the clamping spring rod 33 is in a compressed state, under the tensioning action of the return spring rod 38, the return spring rod 38 drives the arc panel 37 to move to a proper position, the roll-shaped packaging bag is sleeved on the arc panel 37 manually, the thrust on the unlocking rod 35 is released manually, under the resilience of the clamping spring rod 33, the clamping spring rod 33 drives the jacking circular plate 34 to move, the jacking circular plate 34 drives the jacking rod 36 to move, the jacking rod 36 drives the cambered plate 37 to move, the cambered plate 37 and the rubber block 321 are tightly pressed against the inner wall of the roll-shaped packaging bag, so that the cambered plate 37 and the rubber block 321 carry out inner support clamping operation on the roll-shaped packaging bag;

the second step is that: manually pushing a sliding block 2L to slide towards the upper end in a through groove, the sliding block 2L driving a locking spring rod 2m to move, so that the locking spring rod 2m is in a compressed state, meanwhile, the sliding block 2L driving a locking round rod 2n to slide out of a straight groove at the lower part of the locking groove on a locking ring 2j, manually rotating an L-shaped rod 2k, the L-shaped rod 2k driving the sliding block 2L to rotate, the sliding block 2L driving the locking round rod 2n to slide in a circular groove at the upper part of the locking groove on the locking ring 2j, after the L-shaped rod 2k rotates for a circle, the sliding block 2L driving the locking round rod 2n to continuously slide into the straight groove at the lower part of the locking groove on the locking ring 2j, under the abutting action of the locking spring rod 2m, the locking spring rod 2m driving the sliding block 2L to move, so that the sliding block 2L driving the locking round rod 2n to lock and position the L-shaped rod 2k, meanwhile, the L-shaped rod 2k drives the connecting round rod 2i to rotate for one circle, the connecting round rod 2i drives the transmission rod 2f to rotate for one circle, the transmission rod 2f drives the driving circular plate 2e to rotate for one circle, meanwhile, the transmission rod 2f drives the driving circular rod 2g to rotate for one circle, the driving circular rod 2g drives the driving grooves on the driven circular plate 2d to rotate for 90 degrees through the mutual matching operation between the driving circular grooves on the driving circular rod 2g, the driving circular rod 2g drives the driven circular plate 2d to rotate for 90 degrees, the driven circular plate 2d drives the rotating circular rod 2b to rotate for 90 degrees, the rotating circular roller 2c drives the square rod 30 to rotate for 90 degrees, the square rod 30 drives the clamping circular disk 31 to rotate for 90 degrees, the clamping circular disk 31 drives the rolled packaging bag clamped on the cambered plate 37 to rotate for 90 degrees, and the driving circular plate 2e carries out the positioning operation on the driven circular plate 2d through the mutual matching operation between the cambered grooves on the driving circular plate 2e and the driven circular plate 2d, the above operations are manually repeated, and all the roll-shaped packaging bags can be stably clamped through the arc panel 37 and the rubber block 321;

the third step: after clamping all the roll-shaped packaging bags manually, manually rotating the positioning threaded rod 5l out of the positioning threaded groove, manually pushing the cover plate 5k to rotate to a certain angle by taking the T-shaped round rod 5j as a center, manually drawing an opening of the roll-shaped packaging bag to penetrate through the discharging belt 5d, manually rotating the cover plate 5k to an initial position, enabling the discharging belt 5d to tightly support the packaging bag, rotating the positioning threaded rod 5l into the positioning threaded groove, manually closing the door 41, enabling the closing plate 42 to rotate into the inserting block 43, and manually closing the closing lock 44;

the fourth step: when customer sweeps the sign indicating number and purchases, open discharge motor 5 i's switch through the control unit, discharge motor 5i drives driving gear 5g and rotates, rotate in opposite directions through gear engagement's mode between the driving gear 5g, driving gear 5g drives drive gear 5e and rotates, through internal tooth belt 5f mutual transmission between drive gear 5e, make drive gear 5e drive to support tight round bar 5b and rotate, support tight round bar 5b and drive to support tight round roller 5c and rotate, support tight round roller 5c and drive internal tooth belt 5f and rotate, make internal tooth belt 5f drive the wrapping bag motion, make wrapping bag roll-off layer board 5a and blown down tank, customer stimulates the mouth in advance of wrapping bag, it can to take out the wrapping bag.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.