1. A hot air circulating type impact oven for drying traditional Chinese medicine decoction pieces is characterized by comprising a supporting platform (1), a drying box body (2), a sealing cover (3), a magnetic attraction assembly (4) and a lifting mechanism (5), wherein the drying box body (2) is fixedly arranged on the upper end face of the supporting platform (1), the top of the drying box body is provided with a sealing slide hole (21), the bottom of the sealing cover (3) is sleeved in the sealing slide hole (21) and is in up-and-down sliding fit, the bottom of the sealing cover (3) is provided with an exhaust pipe (31), the lifting mechanism (5) is provided with a supporting upright post (51), a first sliding block (52), a second sliding block (53), a winding wheel (54), a reversing wheel (55) and a connecting rope (56), the supporting upright post (51) is positioned on one side of the drying box body (2), and the bottom of the supporting upright post is fixedly connected with the supporting platform (1), the supporting upright post (51) is provided with a cross slide way (511), the first slider (52) and the cross slide way (511) are in up-and-down sliding fit, one side of the reel (54) is fixedly provided with a driving shaft (541) which is distributed coaxially, the driving shaft (541) penetrates through one side of the first slider (52) and is in running fit, the reversing wheel (55) is arranged in the cross slide way (511) and is positioned at the top, one side of the second slider (53) and one side of the sealing cover (3) are fixedly connected at the top, the top of the second slider (53) is fixedly provided with a connecting shaft (531), the connecting shaft (531) is connected with one end of a connecting rope (56), the connecting rope (56) bypasses the reversing wheel (55) and the other end of the connecting rope to be fixedly connected with the reel (54), the magnetic attraction assembly (4) comprises a permanent magnet (41) and an electromagnet (42), the permanent magnet (41) is fixedly arranged at the bottom of the first slider (52), the electromagnet (42) is fixedly arranged at the bottom of the cross slide way (511).

2. The heated air circulation type impact oven for drying the herbal pieces prepared for decoction according to claim 1, wherein a positioning sleeve (521) rotatably connected with the driving shaft (541) is fixedly arranged at one side of the first sliding block (52), and a motor mounting seat (5211) positioned outside the supporting upright (51) is fixedly arranged at one end of the positioning sleeve (521).

3. The heated air circulation type impact oven for drying herbal pieces prepared for chinese traditional medicine according to claim 1, wherein the peripheral wall of the exhaust pipe (31) is fixedly provided with a vent elbow (311) communicating with the inner cavity, and one end of the vent elbow (311) far away from the exhaust pipe (31) passes through the top of the enclosure (3) and extends into the enclosure (3).

4. The circulating hot air type impingement oven for drying herbal pieces prepared for chinese traditional medicine according to claim 3, characterized in that said vent elbow (311) located in said enclosure (3) is vertically distributed and its outer surface wall is opened with axially distributed air inlet (3111).

5. The heated air circulation type impact oven for drying herbal pieces prepared for chinese traditional medicine according to claim 3, wherein said exhaust pipe (31) is sleeved with an annular sealing disc (6), an air outlet (312) communicating with a ventilation elbow (311) is opened on the inner peripheral wall of said exhaust pipe (31), said ventilation elbow (311) and exhaust pipe (31) are in up-down sliding fit and the outer wall and air outlet (312) are used in cooperation.

Background

The production process of the traditional Chinese medicine decoction pieces generally comprises a series of processes of static selection, water preparation, cutting, processing, drying, material preparation and the like of traditional Chinese medicine, wherein the drying is an important step for ensuring the quality of the traditional Chinese medicine decoction pieces, and is an indispensable technical process.

Therefore, the invention provides a hot air circulating type impact oven for drying traditional Chinese medicine decoction pieces.

Disclosure of Invention

The invention aims to: in order to solve the problems mentioned in the background technology, a hot air circulation type impact oven for drying traditional Chinese medicine decoction pieces is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a hot air circulation type impact oven for drying traditional Chinese medicine decoction pieces comprises a supporting platform, a drying box body, an enclosure, a magnetic attraction assembly and a lifting mechanism, wherein the drying box body is fixedly arranged on the upper end face of the supporting platform, a sealing slide hole is formed in the top of the drying box body, the bottom of the enclosure is sleeved in the sealing slide hole and is in up-and-down sliding fit, an exhaust pipe is fixedly arranged at the bottom of the enclosure, an exhaust pipe is fixedly arranged at the top of the enclosure, a supporting upright post, a first sliding block, a second sliding block, a reel, a reversing wheel and a connecting rope are arranged on the lifting mechanism, the supporting upright post is positioned at one side of the drying box body, the bottom of the supporting upright post is fixedly connected with the supporting platform, a cross slide way is formed in the supporting upright post, the first sliding block and the cross slide way are in up-and-down sliding fit, a driving shaft which is distributed coaxially is fixedly arranged at one side of the reel, the driving shaft penetrates through one side of the first sliding block and is in rotating fit, the reversing wheel is arranged in the cross slide and located at the top, one side of the second sliding block and one side of the sealing cover are fixedly connected with the top, a connecting shaft is fixedly arranged at the top of the second sliding block, the connecting shaft is connected with one end of a connecting rope, the connecting rope bypasses the reversing wheel and the other end of the reversing wheel and is fixedly connected with the reel, the magnetic attraction combination comprises a permanent magnet and an electromagnet, the permanent magnet is fixedly arranged at the bottom of the first sliding block, and the electromagnet is fixedly arranged at the bottom of the cross slide.

As a further description of the above technical solution:

and one side of the first sliding block is fixedly provided with a positioning sleeve which is rotationally connected with the driving shaft, and one end of the positioning sleeve is fixedly provided with a motor mounting seat which is positioned outside the supporting upright post.

As a further description of the above technical solution:

the periphery wall of blast pipe is fixed and is provided with the return bend of ventilating of intercommunication inner chamber, keep away from the top of blast pipe on the return bend of ventilating and pass the cover and extend to in the cover.

As a further description of the above technical solution:

the ventilation bent pipes positioned in the sealing cover are vertically distributed, and the outer surface wall of the ventilation bent pipes is provided with air inlets which are axially distributed.

As a further description of the above technical solution:

the exhaust pipe is sleeved with an annular sealing disc, the inner peripheral wall of the exhaust pipe is provided with a gas outlet communicated with the ventilation bent pipe, the ventilation bent pipe and the exhaust pipe are in up-and-down sliding fit, and the outer surface wall of the ventilation bent pipe is matched with the gas outlet.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the drying box body with the top provided with the sealing slide hole and the sealing cover with the bottom opened are arranged, the bottom of the sealing cover is sleeved in the sealing slide hole, the space enclosed by the drying box body and the sealing slide hole is the drying space, the top of the sealing cover is provided with the exhaust pipe, the volume of the drying space can be changed by the up-and-down movement of the sealing cover, the change of the volume of the drying space can be realized by arranging the lifting mechanism and the magnetic attraction combination, hot air enters the drying space and is exhausted through the exhaust pipe during drying operation, the air pressure in the drying space can be instantly changed by controlling the sharp change of the drying space, when the air pressure is increased, the hot air is exhausted through the exhaust pipe in an accelerating manner, the impact speed of the hot air on the traditional Chinese medicine decoction pieces can be greatly increased, and the air drying efficiency can be greatly improved.

2. According to the invention, the ventilation elbow communicated with the inner cavity is fixedly arranged on the outer peripheral wall, one end of the ventilation elbow, which is far away from the exhaust pipe, penetrates through the top of the sealing cover and extends into the sealing cover, specifically, the ventilation elbows in the sealing cover are vertically distributed, the outer surface wall of the ventilation elbows is provided with the air inlets in axial distribution, and the part of the ventilation elbows in the fan cover is of a straight pipe structure, so that the ventilation elbows in the fan cover are positioned around the traditional Chinese medicine decoction piece tray.

3. According to the invention, the exhaust pipe is sleeved with the annular sealing disc, the inner peripheral wall of the exhaust pipe is provided with the air outlet communicated with the ventilation bent pipe, the ventilation bent pipe and the exhaust pipe are in up-and-down sliding fit, the outer surface wall and the air outlet of the ventilation bent pipe are matched for use, the annular sealing disc is used for controlling the opening and closing of the air outlet according to the size of the air outlet of the exhaust pipe, the annular sealing disc is used for periodically improving the air pressure in the drying space, and the high air pressure in the drying space improves the reliability.

Drawings

Fig. 1 is a three-dimensional structural schematic diagram of a supporting platform, a drying box body, an enclosure, a lifting mechanism and a magnetic attraction combination of a hot air circulation type impact oven for drying traditional Chinese medicine decoction pieces, which is provided by the invention;

FIG. 2 is a schematic structural view of a supporting platform, a drying box, an enclosure, a lifting mechanism and a magnetic attraction combination of a hot air circulation type impact oven for drying herbal pieces of traditional Chinese medicine provided by the invention;

FIG. 3 is a schematic structural diagram of a lifting mechanism of a heated air circulation type impact oven for drying herbal pieces of Chinese traditional medicine according to the present invention;

FIG. 4 is a schematic structural diagram of the sealing cover, the drying box body and the sliding block II of the heated air circulation type impact oven for drying the herbal pieces for traditional Chinese medicine provided by the invention;

fig. 5 is a schematic structural diagram of the sealing cover and the ventilation bent pipe of the hot air circulation type impact oven for drying the herbal pieces.

Illustration of the drawings:

1. a support platform; 2. drying the box body; 21. sealing the sliding hole; 3. an enclosure; 31. an exhaust pipe; 311. a ventilation bent pipe; 3111. an air inlet; 312. an air outlet; 4. magnetic attraction combination; 41. a permanent magnet; 42. an electromagnet; 5. a lifting mechanism; 51. supporting the upright post; 511. a cross slide way; 52. a first sliding block; 521. a positioning sleeve; 5211. a motor mounting seat; 53. a second sliding block; 531. a connecting shaft; 54. a reel; 541. a drive shaft; 55. a reversing wheel; 56. a connecting rope; 6. an annular sealing disk.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a hot air circulation type impact oven for drying herbal pieces comprises a support platform 1, a drying box 2, an enclosure cover 3, a magnetic attraction assembly 4 and a lifting mechanism 5, wherein external hot air enters the drying box 2, a tray frame is placed in the drying box 2, herbal pieces are placed on the tray frame, the external hot air enters the drying box 2 and is discharged outwards, the process can be used for drying and air-drying the herbal pieces, the drying box 2 is fixedly arranged on the upper end surface of the support platform 1, a sealing slide hole 21 is arranged at the top of the drying box 2, the bottom of the enclosure cover 3 is sleeved in the sealing slide hole 21 and is in up-and-down sliding fit, an exhaust pipe 31 is fixedly arranged at the bottom of the enclosure cover 3, the hot air entering the drying box 2 can be discharged through the exhaust pipe 31, the enclosure cover 3 serves as the enclosure cover of the drying box 2, and after the enclosure cover 3 moves upwards, the drying, after the sealing cover 3 moves downwards, the drying space is reduced, so that in the process that external positive-pressure hot air continuously enters the drying box body 2 and is discharged from the exhaust pipe 31, the air pressure in the drying space is increased when the drying space is suddenly reduced, the flow rate of gas discharged from the exhaust pipe 31 in the drying space can be increased, the air drying force can be greatly increased, and the air drying efficiency and the drying efficiency can be greatly improved by circularly controlling the change of the volume of the drying space; the lifting mechanism 5 is provided with a supporting upright post 51, a first sliding block 52, a second sliding block 53, a reel 54, a reversing wheel 55 and a connecting rope 56, the supporting upright post 51 is positioned at one side of the drying box body 2, the bottom of the supporting upright post 51 is fixedly connected with the supporting platform 1, the supporting upright post 51 is provided with a cross slideway 511, the first sliding block 52 is in up-and-down sliding fit with the cross slideway 511, one side of the reel 54 is fixedly provided with a driving shaft 541 which is coaxially distributed, the driving shaft 541 penetrates through one side of the first sliding block 52 and is in rotating fit, specifically, one side of the first sliding block 52 is fixedly provided with a positioning sleeve 521 which is in rotating connection with the driving shaft 541, one end of the positioning sleeve 521 is fixedly provided with a motor mounting seat 5211 which is positioned outside the supporting upright post 51, the motor mounting seat 5211 is used for being connected with an external driving motor, the driving motor can drive the driving shaft 541 to rotate, the reversing wheel 55 is positioned in the cross slideway 511 and positioned at the top, one side of the second slider 53 and one side of the cover 3 are fixedly connected with each other at the top, a connecting shaft 531 is fixedly arranged at the top of the second slider 53, the connecting shaft 531 is connected with one end of a connecting rope 56, the connecting rope 56 bypasses the reversing wheel 55, the other end of the connecting rope is fixedly connected with a reel 54, the reel 54 can wind the connecting rope 56 in a rotating mode, the magnetic attraction combination 4 comprises a permanent magnet 41 and an electromagnet 42, the permanent magnet 41 is fixedly arranged at the bottom of the first slider 52, the electromagnet 42 is fixedly arranged at the bottom of the cross slideway 511, the electromagnet 42 is electrically connected with an external control electric box through an electric wire, the electromagnet 42 generates magnetism after being electrified, the permanent magnet 41 can be attracted, after the control electromagnet 42 is powered off, the magnetism disappears, and the permanent magnet 41 is convenient to be separated from the electromagnet 42.

Example 2

Referring to fig. 5, the difference from embodiment 1 is that a vent elbow 311 communicating with the inner cavity is fixedly disposed on the outer peripheral wall of the exhaust pipe 31, one end of the vent elbow 311 far from the exhaust pipe 31 passes through the top of the enclosure 3 and extends into the enclosure 3, specifically, the vent elbow 311 located in the enclosure 3 is vertically distributed and has an axially distributed air inlet 3111 on the outer surface wall thereof, and the portion of the vent elbow 311 located in the enclosure 3 is selected to be of a straight pipe structure, so that the vent elbow 311 located in the enclosure 3 is located around the tray for holding herbal pieces, when the drying space is sharply reduced, the hot air in the drying space is scattered and discharged through the vent elbow 311, so that the stacked trays for holding herbal pieces are uniformly contacted with the flowing hot air, and the drying and drying uniformity is improved; further described is that the exhaust pipe 31 is sleeved with an annular sealing disc 6, the inner peripheral wall of the exhaust pipe 31 is provided with an air outlet 312 communicated with the ventilation bent pipe 311, the ventilation bent pipe 311 is in up-and-down sliding fit with the exhaust pipe 31, the outer surface wall of the ventilation bent pipe 311 is matched with the air outlet 312, the annular sealing disc 6 is used for controlling the opening and closing of the air outlet 312 according to the size of the air outlet of the exhaust pipe 31, and the annular sealing disc is used for periodically improving the air pressure in the drying space.

The working principle is as follows: when the drying device is used, a tray frame is placed in a drying box body 2, traditional Chinese medicine decoction pieces are placed on the tray frame, then a sealing cover 3 is controlled to be located at the lowest position, namely, the drying space is in the minimum state, meanwhile, an electromagnet 42 is controlled to be electrified and combined with a permanent magnet 41, a first sliding block 52 is located at the bottom of a cross slide 511, at the moment, an external hot air source is controlled to convey hot air into the drying box body 2, the hot air is discharged through an exhaust pipe 31, at the moment, the flow rate of hot air for drying the traditional Chinese medicine decoction pieces is low, a driving shaft 541 is controlled to rotate, the driving reel 54 is driven to rotate and wind a connecting rope 56, the connecting rope 56 contracts, a second sliding block 53 is driven to lift through a reversing wheel 55, further, the lifting height of the sealing cover 3 is driven to be lifted, at the moment, the drying space is increased, after the sealing cover 3 is lifted to the extreme position, the electromagnet 42 is controlled to be powered off, at the moment, the sealing cover 3 can freely fall by gravity, at the moment, the drying space is accelerated and reduced, the air pressure in the tray is increased instantly, the speed of the air discharged through the exhaust pipe 31 is accelerated, and the high-speed hot air impacts the Chinese herbal pieces on the tray, so that the air drying efficiency is greatly improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.