Classified screening device for traditional Chinese medicine processing

Abstract

A grading screening device for traditional Chinese medicine processing belongs to the technical field of traditional Chinese medicine raw material processing equipment. Which comprises a material containing barrel and a bottom plate and is characterized in that an inclined support is integrally arranged at the top of one side of the bottom plate in a 45-degree inclined mode, lug seats hinged to the top of the inclined support are arranged on the two sides of the material containing barrel, and a first air cylinder is arranged at the bottom of the material containing barrel; according to the device, the material containing barrel is rotationally arranged on the inclined support, the material containing barrel can blow air to traditional Chinese medicine raw materials contained in the material containing barrel through a filtering cover on a bottom sealing plate and an air blowing fan arranged on a top cover plate, and meanwhile the traditional Chinese medicine raw materials are vibrated to fall into small particles in cooperation with a vibration motor on the surface; and meanwhile, by means of the arranged filtering cover, the situation that materials in the bottom cover are reversely blown into the material containing barrel can be effectively reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of Chinese medicine raw material processing equipment, and particularly relates to a Chinese medicine processing grading and screening device. Background Art

[0002] Traditional Chinese medicine (TCM) refers to substances used under the guidance of Traditional Chinese Medicine (TCM) theory for the prevention, treatment, and diagnosis of disease, as well as for promoting recovery and health. Its core characteristics lie in its collection, processing, and preparation, as well as its elucidation of its mechanisms of action and guidance for clinical application. TCM primarily originates from natural medicinal products and their processed products, including botanicals, animal medicines, mineral medicines, and some chemical and biological products.

[0003] After the Chinese medicine is cut, a small amount of debris will be generated due to the different drying degrees of the cutting tools and the medicine itself. At the same time, the medicine needs to be graded after cutting to avoid the debris from mixing with the graded finished products. Summary of the Invention

[0004] The present invention mainly solves the technical problems existing in the above-mentioned prior art and provides a Chinese medicine processing grading and screening device.

[0005] The above technical problems of the present invention are mainly solved by the following technical solutions: A Chinese medicine processing and grading screening device includes a feeding barrel and a bottom plate, characterized in that: the top of one side of the bottom plate is inclined 45° and is integrally provided with an oblique bracket, both sides of the feeding barrel are provided with ear seats hinged to the top of the oblique bracket, the bottom of the feeding barrel is provided with a first cylinder, the bottom of the first cylinder is rotatably connected to the bottom plate, a plurality of small vibrators are installed on the surface of the feeding barrel, a cover plate is provided above the feeding barrel, a blower fan is fixedly inserted in the cover plate, a sealing plate is provided below the feeding barrel, and a gasket is provided above the sealing plate. Filter cover, multiple T-shaped limit rods are inserted on the sealing plate, and the T-shaped limit rods are arranged to pass through the sealing plate downward. The surface of the T-shaped limit rod above the sealing plate is sleeved with a limit spring, and one end of the T-shaped limit rod below the sealing plate is connected to a bottom cover, and the outer ring of the top of the bottom cover is against the bottom of the sealing plate. An auxiliary structure for pulling the bottom cover is provided between the oblique brackets, and a first filter device and a second filter device are respectively provided on one side of the top of the bottom plate away from the oblique bracket. The first filter device and the second filter device are cross-connected with each other, and a collecting bucket is provided on one side of the bottom of the second filter device, and the collecting bucket is provided on the bottom plate.

[0006] Preferably, a mounting bracket is connected to the two ear seats, the mounting bracket extends toward the top of the material barrel, a slide is slidably arranged inside the mounting bracket, the cover plate is mounted on the slide, a second cylinder is provided on the top of the top cover, and the second cylinder is mounted on the top of the mounting bracket.

[0007] Preferably, a plurality of stirring blocks for facilitating stirring are provided on the inner wall of the material placing barrel.

[0008] Preferably, the auxiliary structure includes a connecting roller, a waste hopper, a limiting rope, an electric telescopic rod, a first connecting rod, a cross rod, a second connecting rod and a plug-in sleeve. A first support frame is provided between the bottom of the oblique bracket and the base plate. The two ends of the connecting roller are installed on the first support frames on both sides through a hinged seat, and the top end of the waste hopper is rotatably sleeved on the surface of the connecting roller.

[0009] Preferably, a first slide groove is provided on both sides of the oblique bracket, the cross bar is inserted between the first slide grooves on both sides, the first connecting rod is sleeved on both ends of the cross bar, the electric telescopic rod is arranged corresponding to the bottom of the first connecting rod, and the electric telescopic rod is installed on the oblique bracket, the limiting rope is divided into two groups and respectively sleeved on both sides of the surface of the cross bar, and the other end of the limiting rope passes around the connecting roller and is connected to the waste hopper.

[0010] Preferably, a guide block is provided in the middle position inside the waste hopper, and the guide block is inclined from the top to both sides. A discharge channel is provided at the bottom of both sides of the waste hopper, and one end of the discharge channel passes through the first filter device and extends to above the collecting hopper. An auxiliary discharge hose is provided on the surface of the material placing barrel corresponding to the two discharge channels.

[0011] Preferably, the plug-in sleeve is divided into two groups and rotatably sleeved on both ends of the cross bar. A second slide groove is provided on the plug-in sleeve. The second connecting rod is inserted into the top of the plug-in sleeve, and a first slider is provided on both sides of the plug-in sleeve. The bottom of the second connecting rod slides with the second slide groove through the first sliders on both sides. The top of the second connecting rod is connected to the bottom cover through a hinge seat. A clip hook is sleeved on the surface of the connection between the plug-in sleeve and the cross bar, and the clip hook is rotatably sleeved on the surface of the cross bar.

[0012] Preferably, the first filter device and the second filter device have the same structure, and the first filter device includes a side plate, a material rack, a filter plate, a collecting plate, a second slider, a reinforcement sleeve, a motor and a cam. The side plate is mounted on the top of the bottom plate, and the material rack is divided into two groups and arranged on one side of the side plate, and is arranged at intervals up and down. The two ends of the material rack close to the side plate are respectively provided with a third slide groove inclined to one side, and the second slider is slidably provided in the third slide groove. The side of the filter plate away from the side plate is inserted into the material rack and fixedly connected to the two second sliders. A plurality of filter holes are provided on the filter plate.

[0013] Preferably, the motor is arranged on one side corresponding to the two sliders, and the motor is installed on the side of the material rack, the cam is arranged on the output end of the motor, and the end surface of the second slider extending out of the third slide groove is sleeved with the reinforcement sleeve of the cam.

[0014] Preferably, the collecting plate is slid and inserted from the bottom of the front side of the material rack, the part of the collecting plate inserted into the interior of the material rack is located below the filter plate, a collecting cavity is provided on the collecting plate, a fourth slide groove communicating with the collecting cavity is provided on the front side of the collecting plate, a collecting rod is provided in the collecting cavity, one end of the collecting rod extending to the interior of the collecting cavity is bent to form a collecting groove, and the other end of the collecting rod extends to the outside of the collecting plate through the fourth slide groove.

[0015] The present invention has the beneficial effects:

[0016] 1. A material placing barrel is provided on the oblique bracket for rotation. The material placing barrel can blow air to the Chinese medicinal raw materials inside through the filter cover on the bottom sealing plate and the blower fan provided on the top cover. At the same time, the vibration motor on the surface can realize the vibration drop of small particles of the Chinese medicinal raw materials, and cooperate with the filter cover to collect them in the bottom cover. At the same time, the filter cover can effectively reduce the reverse blowing of the material in the bottom cover into the material placing barrel.

[0017] 2. By arranging two sets of second connecting rods at the bottom of the bottom cover, since the bottom cover is stuck on the sealing plate through the T-shaped limit rod and the limit spring, the second connecting rod is slidably plugged into the plug sleeve through the slider, and the plug sleeve is rotated and sleeved on the surface of the cross bar, and the cross bar is pulled downward by the first connecting rods on the left and right sides and the electric telescopic rod, thereby realizing the pulling down of the bottom cover. At the same time, when the cross bar is pulled down, the front end of the waste hopper is driven to pull up and rotate through the limit rope, which is convenient for cleaning and collecting the waste inside the bottom cover. The upward flipping of the waste hopper effectively reduces dust when the waste falls. At the same time, a guide block is arranged inside the waste hopper to guide the fallen waste to both sides, and discharge it into the collection hopper in conjunction with the discharge channels at the bottom of both sides. Two auxiliary blanking hoses are arranged on the surface of the material placing barrel, and their bottoms extend downward to the connection between the waste hopper and the discharge channel. The waste accumulated in the waste hopper is shaken off by the vibration driven by the small vibrator when it is working, so that it can be better discharged through the discharge channel.

[0018] 3. By respectively arranging a first filtering device and a second filtering device below the output port of the material loading barrel, the two devices have the same structure and are arranged crosswise with each other, and the filter plate on the surface and the third chute and the second slider arranged at an angle on one side are matched, so that the filter plate has a downward tilt angle to facilitate the shaking off of the Chinese medicine raw materials. At the same time, the filter holes of the filter plates on the first filtering device and the second filtering device gradually become larger from top to bottom according to the upper and lower position relationship, so that graded filtration can be achieved according to the size of the Chinese medicine raw materials. At the same time, a collecting plate is arranged below the filter plate, and the collecting plate collects through the collecting cavity. At the same time, a collecting rod is arranged inside the collecting cavity, so that the filtered Chinese medicine raw materials can be pulled out for convenient and quick collection. If there is raw material stuck in the fourth chute, it can be cleaned by pulling the entire collecting plate outward. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a three-dimensional structure of the front side of the present invention;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the back of the present invention;

[0021] Figure 3 It is a schematic cross-sectional view of the side surface of the present invention;

[0022] Figure 4 This is a schematic diagram of a three-dimensional structure of the collecting plate of the present invention;

[0023] Figure 5 yes Figure 1 A schematic diagram of an enlarged structure at A in the middle;

[0024] Figure 6 yes Figure 2 A schematic diagram of an enlarged structure at B in the middle;

[0025] Figure 7 yes Figure 3 A schematic diagram of an enlarged structure at point C in the middle.

[0026] In the figure: 1. bottom plate; 11. oblique bracket; 12. first slide; 13. first support frame; 14. first cylinder; 15. mounting frame; 16. slide; 17. cover plate; 171. blower fan; 18. second cylinder; 2. material placement barrel; 21. ear seat; 22. stirring block; 23. small vibrator; 24. sealing plate; 241. filter cover; 242. fixing clamp; 25. bottom cover; 251. T-type limit rod; 252. limit spring; 31. connecting roller; 32. waste hopper; 321. auxiliary drop hose; 322. guide block; 323. discharge channel; 33. limit rope ; 34. Electric telescopic rod; 35. First connecting rod; 36. Cross bar; 37. Second connecting rod; 38. Connecting sleeve; 39. Second slide; 310. First slider; 311. Clamp; 4. First filtering device; 41. Side panel; 42. Material rack; 43. Filter plate; 44. Collecting plate; 441. Collecting chamber; 442. Collecting rod; 443. Collecting trough; 444. Fourth slide; 45. Third slide; 46. Second slider; 47. Reinforcement sleeve; 48. Motor; 49. Cam; 410. Cross frame; 411. Second support frame; 5. Second filtering device; 6. Collecting bucket. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0028] Embodiment: A Chinese medicine processing grading and screening device, such as Figure 1-Figure 7As shown, it includes a material barrel 2 and a base plate 1, which is characterized in that: the top of one side of the base plate 1 is inclined 45° and is integrally provided with an oblique bracket 11, and both sides of the material barrel 2 are provided with ear seats 21 hinged to the top of the oblique bracket 11, and a first cylinder 14 is provided at the bottom of the material barrel 2. The bottom of the first cylinder 14 is rotatably connected to the base plate 1, and a plurality of small vibrators 23 are installed on the surface of the material barrel 2. A cover plate 17 is provided above the material barrel 2, and a blower fan 171 is fixedly inserted in the cover plate 17. The output end of the blower fan 171 is arranged toward the inside of the material barrel 2, and a sealing plate 24 is provided below the material barrel 2. The sealing plate 24 is rotatably linked to the material barrel 2 through a hinge seat, and a fixing clamp 242 is provided at the other end of the sealing plate 24 away from the hinge seat. The sealing plate 24 is connected to the bottom of the material barrel 2 through the fixing clamp 242 The outer edge of the sealing plate 24 is extended for clamping and installation, a filter cover 241 is provided above the sealing plate 24, and a plurality of T-shaped limit rods 251 are inserted on the sealing plate 24, and the T-shaped limit rods 251 are downwardly penetrated through the sealing plate 24, and the surface of the T-shaped limit rod 251 above the sealing plate 24 is sleeved with a limit spring 252, and one end of the T-shaped limit rod 251 below the sealing plate 24 is connected with a bottom cover 25, and the outer ring of the top of the bottom cover 25 is against the bottom of the sealing plate 24, and an auxiliary structure for pulling the bottom cover 25 is provided between the oblique brackets 11, and a first filter device 4 and a second filter device 5 are respectively provided on the side of the top of the bottom plate 1 away from the oblique bracket 11, and the first filter device 4 and the second filter device 5 are cross-connected with each other. A collecting bucket 6 is provided on one side of the bottom of the second filter device 5, and the collecting bucket 6 is provided on the bottom plate 1.

[0029] The two ear seats 21 are connected to a mounting frame 15, and the mounting frame 15 extends toward the top of the material barrel 2. A slide 16 is slidably arranged in the mounting frame 15, and a cover 17 is installed on the slide 16. A second cylinder 18 is provided on the top of the top cover, and the second cylinder 18 is installed on the top of the mounting frame 15. The slide 16 is pushed by the second cylinder 18, so that the cover 17 installed on the slide 16 can seal the top of the material barrel 2, and the internal Chinese medicine raw materials are agitated by the blower 171 on the cover 17. A plurality of stirring blocks 22 for facilitating stirring are provided on the inner wall of the material barrel 2. The stirring blocks 22 can increase the contact surface price when the Chinese medicine raw materials are agitated, so that the particles on the surface can fall off better. At the same time, the cover 17 is connected to the outer ring of the blower 171 to form an air duct for air outlet, and a finer filter is provided in the air duct to prevent the Chinese medicine raw materials from flying.

[0030] The auxiliary structure includes a connecting roller 31, a waste hopper 32, a limiting rope 33, an electric telescopic rod 34, a first connecting rod 35, a cross bar 36, a second connecting rod 37 and a plug-in sleeve 38. A first support frame 13 is provided between the bottom of the oblique bracket 11 and the base plate 1. The two ends of the connecting roller 31 are mounted on the first support frames 13 on both sides through a hinge seat. The top of the waste hopper 32 is rotatably sleeved on the surface of the connecting roller 31. A first chute 12 is provided on both sides of the oblique bracket 11. The cross bar 36 is inserted between the first chute 12 on both sides. The first connecting rod 35 is sleeved on both ends of the cross bar 36, the electric telescopic rod 34 is set at the bottom of the first connecting rod 35, and the electric telescopic rod 34 is installed on the oblique bracket 11. The limiting rope 33 is divided into two groups and sleeved on both sides of the surface of the cross bar 36. The other end of the limiting rope 33 passes through the connecting roller 31 and is connected to the waste hopper 32. A guide block 322 is set in the middle position inside the waste hopper 32. The guide block 322 is inclined from the top to the sides. The bottom of both sides of the waste hopper 32 is provided with a discharge channel 323. The discharge channel 32 One end of 3 passes through the first filter device 4 and extends to the top of the collecting hopper 6. An auxiliary discharge hose 321 is provided above the two discharge channels 323 on the surface of the material placing cylinder 2. The height of the bottom of the auxiliary discharge hose 321 is higher than the connection between the discharge channel 323 and the waste hopper 32. Therefore, when the waste hopper 32 is turned over, the auxiliary discharge hose 321 can be effectively prevented from damaging the discharge channel 323. The plug sleeve 38 is divided into two groups and rotatably sleeved at both ends of the cross bar 36. The plug sleeve 38 is provided with a second slide groove 39. The first The second connecting rod 37 is inserted into the top of the plug-in sleeve 38, and a first slider 310 is provided on both sides of the plug-in sleeve 38. The bottom of the second connecting rod 37 is slidingly arranged with the first slider 310 and the second slide groove 39 on both sides. The top of the second connecting rod 37 is connected to the bottom cover 25 through a hinge seat. The surface of the connection between the plug-in sleeve 38 and the cross bar 36 is sleeved with a clamping hook 311. The clamping hook 311 is rotatably sleeved on the surface of the cross bar 36, and the clamping hook 311 hooks and limits the first sliders 310 on both sides of the second connecting rod 37.

[0031] The first filter device 4 and the second filter device 5 have the same structure. The first filter device 4 includes a side plate 41, a material rack 42, a filter plate 43, a collecting plate 44, a second slider 46, a reinforcement sleeve 47, a motor 48 and a cam 49. The side plate 41 is installed on the top of the bottom plate 1. The material rack 42 is divided into two groups and is arranged on one side of the side plate 41, and is arranged at intervals up and down. The two ends of the material rack 42 close to the side plate 41 are respectively provided with a third slide groove 45 inclined to one side, and a second slider 46 is slidably arranged in the third slide groove 45. The side of the filter plate 43 away from the side plate 41 is inserted into the material rack 42 and fixedly connected to the two second sliders 46. A plurality of filter holes are provided on the filter plate 43. The motor 48 is arranged on one side of the two second sliders 46, and the motor 48 is installed on the side of the material rack 42. The cam 49 is set on the output end of the motor 48. The second slider 46 extends out of one end surface of the third slide groove 45 The reinforcing sleeve 47 is sleeved with the cam 49, and the collecting plate 44 is slidably inserted from the bottom of the front side of the material rack 42. The part of the collecting plate 44 inserted into the interior of the material rack 42 is located below the filter plate 43, and a plurality of cross frames 410 are provided at the bottom of the collecting plate 44. The cross frames 410 are installed on the material rack 42 to support the collecting plate 44. At the same time, a plurality of second support frames 411 are provided on one side of the corresponding side plate 41 on both sides of the bottom of the material rack 42. The support of the material rack 42 is achieved by the second support frames 411 and the side plate 41. A collecting chamber 441 is provided on the collecting plate 44, and a fourth slide groove 444 communicating with the collecting chamber 441 is provided on the front side of the collecting plate 44. A collecting rod 442 is provided in the collecting chamber 441. One end of the collecting rod 442 extends to the inside of the collecting chamber 441 and is bent to form a collecting groove 443. The other end of the collecting rod 442 extends to the outside of the collecting plate 44 through the fourth slide groove 444.

[0032] The principle of the present invention is as follows: the cut Chinese medicinal materials can be fed in through the top of the material barrel 2, and then the second cylinder 18 on one side is turned on to drive the cover plate 17 at the output end downward through the slides 16 on both sides to contact the top of the material barrel 2, and then the blower fan 171 on the cover plate 17 is turned on. At this time, the two clamping hooks 311 set on the cross bar 36 are disengaged from the socket of the first slider 310. When the blower fan 171 is used, the first cylinder 14 located below and connected to the material barrel 2 is also turned on to realize the up and down swing of the material barrel 2, and cooperate with multiple small vibrators 23 on the surface to realize the blowing of the cut Chinese medicinal materials inside and the separation of small particles, so that the small particles fall into the bottom cover 25 through the filter cover 241 at the bottom.

[0033] After the interior is filtered, the blower and the small vibrator 23 are turned off, and the second cylinder 18 is turned on to separate the top cover from the material loading barrel 2 to the top. Then, the first cylinder 14 located below is turned on to push the top of the material loading barrel 2 downward, so that the Chinese medicinal materials inside fall onto the first filtering device 4, so that the motor 48 on the first filtering device 4 is turned on, driving the cam 49 at the output end to start and rotate, thereby pushing the reinforcement sleeve 47 on the second slider 46 at both ends of the filter plate 43 to push backward, so that the filter plate 43 can slide up and down more along the inclination angle of the third chute 45. The upward power is the electric driving cam 49 to move up, and the downward power is achieved by its own weight. The Chinese medicinal materials filtered by the filter holes slide quickly, so that the materials can quickly fall down to the filter plate 43 of the second filtering device 5, and then fall onto the filter plate 43 below the first filtering device 4 after being filtered in sequence, and then fall onto the filter plate 43 below the second filtering device 5 after being filtered again. Finally, the unfiltered materials fall into the waste hopper 32 for collection.

[0034] The filtered raw materials fall onto the collecting plate 44 through the filtering holes, and the Chinese medicinal raw materials in the collecting cavity 441 can be pulled outward by the collecting trough 443 through the collecting rod 442 to realize the returned material collection.

[0035] Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments and is susceptible to numerous variations. Any simple modifications, equivalent variations, and modifications to the above embodiments based on the technical essence of the present invention are deemed to fall within the scope of protection of the present invention.

Claims

1. A Chinese medicine processing, grading and screening device, comprising a material placement cylinder (2) and a bottom plate (1), characterized in that: The top of one side of the bottom plate (1) is tilted 45 degrees and is integrally provided with an oblique bracket (11); both sides of the material barrel (2) are provided with ear seats (21) hinged to the top of the oblique bracket (11); the bottom of the material barrel (2) is provided with a first cylinder (14); the bottom of the first cylinder (14) is rotatably connected to the bottom plate (1); a plurality of small vibrators (23) are installed on the surface of the material barrel (2); a cover plate (17) is provided above the material barrel (2); a blower fan (171) is fixedly inserted in the cover plate (17); a sealing plate (24) is provided below the material barrel (2); a filter cover (241) is provided above the sealing plate (24); a plurality of T-shaped limit rods (251) are inserted on the sealing plate (24); the T-shaped limit rods (25 1) is downwardly penetrated through the sealing plate (24), the T-shaped limit rod (251) is located on the surface above the sealing plate (24) and is sleeved with a limit spring (252), one end of the T-shaped limit rod (251) located below the sealing plate (24) is connected to a bottom cover (25), the outer ring of the top of the bottom cover (25) is against the bottom of the sealing plate (24), an auxiliary structure for pulling the bottom cover (25) is provided between the oblique brackets (11), a first filter device (4) and a second filter device (5) are respectively provided on the side of the top of the bottom plate (1) away from the oblique bracket (11), the first filter device (4) and the second filter device (5) are cross-connected, and a collecting bucket (6) is provided on one side of the bottom of the second filter device (5), and the collecting bucket (6) is provided on the bottom plate (1).

2. A Chinese medicine processing, grading and screening device according to claim 1, characterized in that: The two ear seats (21) are connected to a mounting frame (15), the mounting frame (15) is extended toward the top of the material placing barrel (2), a slide (16) is slidably arranged in the mounting frame (15), the cover plate (17) is mounted on the slide (16), and a second cylinder (18) is arranged on the top of the top cover, and the second cylinder (18) is mounted on the top of the mounting frame (15).

3. A Chinese medicine processing, grading and screening device according to claim 1, characterized in that: A plurality of stirring blocks (22) for facilitating stirring are provided on the inner wall of the material placing cylinder (2).

4. A Chinese medicine processing, grading and screening device according to claim 1, characterized in that: The auxiliary structure comprises a connecting roller (31), a waste hopper (32), a limiting rope (33), an electric telescopic rod (34), a first connecting rod (35), a cross rod (36), a second connecting rod (37) and a plug-in sleeve (38); a first support frame (13) is provided between the bottom of the oblique bracket (11) and the bottom plate (1); the two ends of the connecting roller (31) are mounted on the first support frames (13) on both sides through hinged seats; the top end of the waste hopper (32) is rotatably sleeved on the surface of the connecting roller (31).

5. A Chinese medicine processing, grading and screening device according to claim 4, characterized in that: The oblique bracket (11) is provided with a first slide groove (12) on both sides, the cross bar (36) is inserted between the first slide grooves (12) on both sides, the first connecting rod (35) is sleeved on both ends of the cross bar (36), the electric telescopic rod (34) is arranged corresponding to the bottom of the first connecting rod (35), and the electric telescopic rod (34) is installed on the oblique bracket (11), the limiting rope (33) is divided into two groups and sleeved on both sides of the surface of the cross bar (36), and the other end of the limiting rope (33) passes around the connecting roller (31) and is connected to the waste hopper (32).

6. A Chinese medicine processing, grading and screening device according to claim 5, characterized in that: A guide block (322) is provided in the middle of the waste hopper (32), and the guide block (322) is inclined from the top to the two sides. A discharge channel (323) is provided at the bottom of both sides of the waste hopper (32), and one end of the discharge channel (323) passes through the first filter device (4) and extends to the top of the collecting hopper (6). An auxiliary discharge hose (321) is provided on the surface of the material placement cylinder (2) corresponding to the top of the two discharge channels (323).

7. The Chinese medicine processing, grading and screening device according to claim 5, characterized in that: The plug-in sleeve (38) is rotatably sleeved on the two ends of the cross bar (36) in two groups, and a second slide groove (39) is provided on the plug-in sleeve (38). The second connecting rod (37) is inserted into the top of the plug-in sleeve (38), and a first slider (310) is provided on both sides of the plug-in sleeve (38). The bottom of the second connecting rod (37) slides with the second slide groove (39) through the first sliders (310) on both sides. The top of the second connecting rod (37) is connected to the bottom cover (25) through a hinge seat. The surface of the connection between the plug-in sleeve (38) and the cross bar (36) is sleeved with a clamping hook (311), and the clamping hook (311) is rotatably sleeved on the surface of the cross bar (36).

8. The Chinese medicine processing, grading and screening device according to claim 1, characterized in that: The first filter device (4) and the second filter device (5) have the same structure. The first filter device (4) comprises a side plate (41), a material rack (42), a filter plate (43), a collecting plate (44), a second slider (46), a reinforcement sleeve (47), a motor (48) and a cam (49). The side plate (41) is mounted on the top of the bottom plate (1). The material rack (42) is arranged in two groups on one side of the side plate (41) and is spaced apart from each other. The two ends of the material rack (42) close to the side plate (41) are respectively provided with a third slide groove (45) inclined to one side. The second slider (46) slides in the third slide groove (45). The filter plate (43) is inserted into the material rack (42) on the side away from the side plate (41) and is fixedly connected to the two second sliders (46). The filter plate (43) is provided with a plurality of filter holes.

9. A Chinese medicine processing, grading and screening device according to claim 8, characterized in that: The motor (48) is arranged on one side of the two second sliders (46), and the motor (48) is installed on the side of the material rack (42). The cam (49) is arranged on the output end of the motor (48). The end surface of the second slider (46) extending out of the third slide groove (45) is sleeved with the reinforcing sleeve (47) of the cam (49).

10. The Chinese medicine processing, grading and screening device according to claim 9, characterized in that: The collecting plate (44) is slidably inserted from the bottom of the front side of the material rack (42), and the portion of the collecting plate (44) inserted into the interior of the material rack (42) is located below the filter plate (43). A collecting cavity (441) is provided on the collecting plate (44), and a fourth chute (444) communicating with the collecting cavity (441) is provided on the front side of the collecting plate (44). A collecting rod (442) is provided in the collecting cavity (441), and one end of the collecting rod (442) extending to the interior of the collecting cavity (441) is bent to form a collecting groove (443), and the other end of the collecting rod (442) extends to the outside of the collecting plate (44) through the fourth chute (444).

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