Traditional Chinese medicine decoction piece processing device

Abstract

The invention relates to the technical field of traditional Chinese medicine decoction piece processing, and discloses a traditional Chinese medicine decoction piece processing device. The grinding cone is rotationally connected into the grinding cavity, the grinding cone is divided into a first section, a second section and a third section in the vertical direction, a guide part is arranged in the first section and used for guiding the traditional Chinese medicine decoction pieces from the top of the grinding cavity to the second section, and a first grinding part is arranged in the second section; a first grinding part is arranged in the first interval and matched with the inner side wall of the grinding tank to grind the traditional Chinese medicine decoction pieces, a second grinding part is arranged in the third interval and matched with the inner wall of the bottom end of the grinding tank to grind the traditional Chinese medicine decoction pieces, and the grinding grade from the first grinding part to the second grinding part is gradually reduced; the sieving box is arranged on the bottom surface of the grinding tank and communicated with the discharging port of the grinding tank, a sieve plate is movably matched in the sieving box, a plurality of sieve holes are formed in the sieve plate, the lower end of the sieve plate is communicated with the sorting box, and the bottom end of the sieve plate is communicated with the discharging box. The grinding effect on the traditional Chinese medicine decoction pieces is improved, and efficient processing production is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of Chinese medicine slice preparation, in particular to a Chinese medicine slice preparation device. Background Art

[0002] There are many types of preparations for Chinese herbal medicines. In order to improve the bioavailability of Chinese medicine, it can be selectively sliced, ground into powder, etc. to speed up the action of the drug and improve its efficacy.

[0003] In the prior art, for example, in a Chinese medicine slice processing device disclosed in CN118320902B, the upper and lower screens are vibrated and screened by reverse push springs, and the size of the screen holes can be adjusted to reduce the clogging of the screen holes.

[0004] However, the prior art adjusts the sieve holes without improving the grinding effect. Although the sieve hole blockage is reduced, it will also cause some drugs that are not fully ground to pass through the sieve holes. If there are strict requirements for the screening level, the prior art will not be able to ensure that the Chinese herbal medicine slices prepared by grinding meet the processing requirements. In addition, the instructions also propose that the particles stuck in the sieve holes can fall automatically. Then, when sieving, the sieve holes cannot be adjusted, so that the original sieve hole blockage will still occur. If the sieve holes are adjusted, Chinese herbal medicine slices of different screening levels can all fall directly from the sieve holes into the collection box, affecting the screening effect. Therefore, the prior art has certain usage defects. Therefore, a Chinese herbal medicine slice processing device is urgently needed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a Chinese herbal medicine slice processing device to solve the problems existing in the above-mentioned prior art, improve the grinding effect of Chinese herbal medicine slices, and realize efficient processing production.

[0006] To achieve the above object, the present invention provides the following solution: The present invention provides a Chinese medicine slice processing device, comprising: a grinding jar defining a grinding chamber therein; A grinding cone is rotatably connected in the grinding chamber, the grinding cone is vertically divided into a first section, a second section and a third section, a guide is provided in the first section, the guide is used to guide the Chinese herbal medicine pieces from the top of the grinding chamber to the second section, a first grinding part is provided in the second section, the first grinding part cooperates with the inner side wall of the grinding jar to grind the Chinese herbal medicine pieces, a second grinding part is provided in the third section, the second grinding part cooperates with the inner wall of the bottom end of the grinding jar to grind the Chinese herbal medicine pieces, and the grinding level from the first grinding part to the second grinding part gradually decreases; A screening box is arranged on the bottom surface of the grinding jar and is connected with the discharge port of the grinding jar. A sieve plate is movably provided in the screening box. A plurality of sieve holes are provided on the sieve plate. The sieve plate is arranged obliquely. The lower end of the sieve plate is connected with the sorting box, and the bottom end of the sieve plate is connected with the discharge box.

[0007] Preferably, the top of the grinding cone is a conical structure, the inner wall of the grinding jar is fixedly connected with a sleeve, the top of the inner ring side of the sleeve is provided with a guide groove, the part of the grinding cone located in the guide groove is the first interval, the cross-section of the guide groove is an arc structure, a spacing is set between the guide groove and the side wall of the grinding cone, and the spacing gradually decreases along the vertical direction.

[0008] Preferably, the guide member comprises: The guide plate is a spiral structure, and is circumferentially arranged around the outer wall of the grinding cone, and the length of the perpendicular line between the outer peripheral side of the guide plate and the inner wall of the guide groove is the same.

[0009] Preferably, the remaining area of ​​the grinding cone side wall away from the guide groove is the second interval, a grinding ring is fixedly connected to the portion of the inner ring side of the sleeve located in the second interval, and the first grinding part is formed between the inner ring side of the grinding ring and the grinding cone side wall.

[0010] Preferably, the bottom surface of the grinding cone is the third section, the inner wall of the bottom end of the grinding chamber is located in the area of ​​the discharge port and is provided with a plurality of grinding holes in an array, a plurality of first grinding blocks are fixedly connected to the bottom surface of the grinding cone, and second grinding blocks are fixedly connected to other areas of the inner wall of the bottom end of the grinding jar away from the grinding holes, and the second grinding portion is formed between the first grinding blocks and the second grinding blocks.

[0011] Preferably, a slide groove is provided on one side of the bottom end of the grinding jar, a slide plate is limitedly slidably connected in the slide groove, a mounting plate is fixedly connected to the outer wall of the slide plate, the mounting plate is detachably connected to the grinding jar, a connecting plate is fixedly connected to the side of the slide plate extending into the grinding jar, a plurality of grinding holes are provided on the connecting plate in an array, and the grinding holes on the connecting plate have variable apertures.

[0012] Preferably, it also includes: A first drive motor is fixedly connected to the top surface of the grinding jar, and an output shaft of the first drive motor vertically extends into the grinding jar and is fixedly connected to the top of the grinding cone; The second driving assembly is arranged in the screening box, and the driving end of the second driving assembly is connected to the screening plate so that the screening plate can reciprocate in the horizontal direction relative to the screening box.

[0013] Preferably, the second driving assembly comprises: A reciprocating motor is fixedly connected to one side of the screening box, and a piston rod of the reciprocating motor is fixedly connected to one side of the screening plate; A support rod is fixedly connected to a side of the screen plate away from the reciprocating motor, the support rod is slidably connected in the screening box, a spring is wound around the support rod, and two ends of the spring are respectively against the screen plate and the inner wall of the screening box.

[0014] Preferably, a sorting port is provided on one side of the screening box close to the lower end of the sieve plate, a sorting tube is fixedly connected in the sorting port, one end of the sorting tube extends out of the grinding jar and is connected with the sorting box, an opening is provided at the bottom end of the screening box, a discharge hopper is fixedly connected in the opening, and the discharge hopper is used to vertically connect the discharge box with the bottom end of the sieve plate.

[0015] Preferably, it also includes: A pulverizer is placed on one side of the grinding jar, and a discharge end of the pulverizer is connected to the containing box; A screw conveyor is fixed between the containing box and the grinding jar, wherein a feed end of the screw conveyor is communicated with the inside of the containing box, and a discharge end of the screw conveyor is communicated with the top of the grinding chamber.

[0016] The present invention discloses the following technical effects: The present invention divides the grinding cone into three functional areas, and sets a guide in the first area to form a guiding force from the top of the grinding chamber to the second area, thereby accelerating the grinding and preparation speed of Chinese herbal medicines, thereby improving the processing efficiency of Chinese herbal medicines, and respectively grinding the Chinese herbal medicines through the first grinding part in the second area and the second grinding part in the third area, thereby improving the grinding degree of the Chinese herbal medicines. At the same time, the grinding level from the first grinding part to the second grinding part is gradually reduced. During the grinding process, the Chinese herbal medicines are first ground into a secondary size, and then the secondary-sized Chinese herbal medicines are finally ground, which effectively enhances the sufficiency of grinding, reduces the situation where the Chinese herbal medicines are blocked by the sieve holes, improves the grinding effect, and is conducive to accelerating the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 A diagram showing the positional relationship between the grinding jar and the containing box in the present invention; Figure 2 It is a structural cross-sectional view of the grinding jar in the present invention; Figure 3 It is a position relationship diagram of the connecting plate and the sieve plate in the present invention; Figure 4 It is a structural schematic diagram of the pulverizer in the present invention; Figure 5 A diagram showing the positional relationship between the guide groove and the guide plate in the present invention; Figure 6 It is a structural schematic diagram of the screen plate and the screening box in the present invention; Figure 7 It is a schematic diagram of the structure of the first grinding block and the second grinding block in the present invention; Among them, 1. grinding jar; 2. grinding cone; 3. screening box; 4. sieve plate; 5. sleeve; 6. guide groove; 7. guide plate; 8. grinding ring; 9. grinding hole; 10. first grinding block; 11. second grinding block; 12. slide plate; 13. mounting plate; 14. connecting plate; 15. first driving motor; 16. bolt; 17. reciprocating motor; 18. support rod; 19. piston rod; 20. spring; 21. sorting tube; 22. discharge hopper; 23. crusher; 24. screw conveyor; 25. containing box; 26. sorting box; 27. discharge box; 231. feed hopper; 232. second driving motor; 233. driving rod; 234. cutter; 235. pulley; 236. transmission belt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Reference Figure 1-Figure 7 The present invention provides a Chinese medicine slice processing device, comprising: A grinding jar 1 having a grinding chamber defined therein; A grinding cone 2 is rotatably connected in the grinding chamber. The grinding cone 2 is vertically divided into a first section, a second section and a third section. A guide is provided in the first section, and the guide is used to guide the Chinese herbal medicine pieces from the top of the grinding chamber to the second section. A first grinding part is provided in the second section, and the first grinding part cooperates with the inner side wall of the grinding tank 1 to grind the Chinese herbal medicine pieces. A second grinding part is provided in the third section, and the second grinding part cooperates with the inner wall of the bottom end of the grinding tank 1 to grind the Chinese herbal medicine pieces, and the grinding level from the first grinding part to the second grinding part gradually decreases; The screening box 3 is arranged on the bottom surface of the grinding jar 1 and is connected with the discharge port of the grinding jar 1. A sieve plate 4 is movably matched in the screening box 3. A plurality of sieve holes are opened on the sieve plate 4. The sieve plate 4 is inclined. The lower end of the sieve plate 4 is connected with the sorting box 26, and the bottom end of the sieve plate 4 is connected with the discharge box 27.

[0022] The present invention divides the grinding cone 2 into three functional areas, and sets a guide in the first area to form a guiding force from the top of the grinding chamber to the second area, thereby accelerating the grinding and preparation speed of Chinese herbal medicines, thereby improving the processing efficiency of Chinese herbal medicines, and respectively grinding the Chinese herbal medicines through the first grinding part in the second area and the second grinding part in the third area, thereby improving the grinding degree of the Chinese herbal medicines. At the same time, the grinding level from the first grinding part to the second grinding part is gradually reduced. During the grinding process, the Chinese herbal medicines are first ground into a secondary size, and then the secondary size of the Chinese herbal medicines are finally ground, which effectively enhances the sufficiency of grinding, reduces the situation where the Chinese herbal medicines block the sieve holes, and is conducive to accelerating the grinding efficiency.

[0023] The final ground Chinese herbal medicine pieces are screened by the screening box 3, so that the screened Chinese herbal medicine pieces entering the discharge box 27 are those required for processing, while those entering the sorting box 26 are Chinese herbal medicine pieces of different grades. The specifications of the processed Chinese herbal medicine pieces are screened to improve the grinding and processing effect.

[0024] Furthermore, the top of the grinding cone 2 is a conical structure, and a sleeve 5 is fixedly connected to the inner wall of the grinding jar 1. A guide groove 6 is provided on the top of the inner ring side of the sleeve 5. The part of the grinding cone 2 located in the guide groove 6 is a first interval. The cross-section of the guide groove 6 is an arc-shaped structure. A spacing is set between the guide groove 6 and the side wall of the grinding cone 2, and the spacing gradually decreases along the vertical direction.

[0025] By setting the top end of the grinding cone 2 to a conical structure and cooperating with the guide groove 6 opened on the inner circle side of the sleeve 5, guiding bevels distributed in opposite directions are formed, and the guide members arranged in the guide groove 6 are used to guide the Chinese herbal medicines, so that the Chinese herbal medicines can be efficiently passed into the first grinding part of the second interval.

[0026] Further, the guide member comprises: The guide plate 7 is a spiral structure. The guide plate 7 is circumferentially arranged around the outer wall of the grinding cone 2, and the length of the perpendicular line between the outer peripheral side of the guide plate 7 and the inner wall of the guide groove 6 is the same.

[0027] The guide plate 7 is driven to rotate during the rotation of the grinding cone 2, thereby forming a guiding effect along the top to the bottom of the guide groove 6, and the length of the vertical line between the guide plate 7 and the guide groove 6 of the arc structure is always the same, so that the guide plate 7 can provide a balanced guiding force during the guiding process, thereby preventing the guide plate 7 from providing too much guiding force and squeezing the Chinese herbal medicine pieces or causing structural damage as the distance between the guide groove 6 and the grinding cone 2 gradually decreases.

[0028] Furthermore, the remaining area of ​​the side wall of the grinding cone 2 away from the guide groove 6 is the second interval, and a grinding ring 8 is fixedly connected to the portion of the inner ring side of the sleeve 5 located in the second interval, and the inner ring side of the grinding ring 8 and the side wall of the grinding cone 2 form a first grinding portion.

[0029] The Chinese herbal medicine pieces are ground by the cooperation between the inner ring side of the grinding ring 8 and the grinding cone 2, and under the guiding force of the guide plate 7, the grinding efficiency is higher, which speeds up the processing production.

[0030] Furthermore, the bottom surface of the grinding cone 2 is the third section, and a plurality of grinding holes 9 are provided in an array in the inner wall of the bottom end of the grinding chamber in the area of ​​the discharge port, a plurality of first grinding blocks 10 are fixedly connected to the bottom surface of the grinding cone 2, and a second grinding block 11 is fixedly connected to other areas of the inner wall of the bottom end of the grinding jar 1 away from the grinding holes 9, and a second grinding portion is formed between the first grinding block 10 and the second grinding block 11.

[0031] By fixing the first grinding block 10 on the bottom surface of the grinding cone 2, after the Chinese herbal medicine pieces are initially ground by the side wall of the grinding cone 2 and the grinding ring 8, the Chinese herbal medicine pieces fall on the inner wall of the bottom end of the grinding chamber, and the grinding cone 2 rotates to drive a plurality of first grinding blocks 10 to rotate. The plurality of first grinding blocks 10 cooperate with the second grinding block 11 to perform secondary grinding on the Chinese herbal medicine pieces, thereby enhancing the grinding adequacy of the Chinese herbal medicine pieces, and the grinding hole 9 and the second grinding block 11 cover the inner wall of the bottom end of the grinding jar 1. During the rotation of the first grinding block 10, the Chinese herbal medicine pieces blocking the grinding hole 9 can be cleared to reduce the blockage of the grinding hole 9.

[0032] Furthermore, a slide groove is provided on one side of the bottom end of the grinding jar 1, and a slide plate 12 is limitedly slidably connected in the slide groove. A mounting plate 13 is fixedly connected to the outer wall of the slide plate 12. The mounting plate 13 is detachably connected to the grinding jar 1. A connecting plate 14 is fixedly connected to one side of the slide plate 12 extending into the grinding jar 1. A plurality of grinding holes 9 are provided in an array on the connecting plate 14, and the grinding holes 9 on the connecting plate 14 have a variable aperture.

[0033] In the present technical solution, a slider and a connecting plate 14 are provided, a plurality of grinding holes 9 are opened on the connecting plate 14, and a mounting plate 13 fixedly connected to the grinding jar 1 on the slider is used to realize the detachable connection between the slider and the grinding jar 1, and at the same time, the connecting plate 14 is made detachable relative to the grinding jar 1. Since the grinding holes 9 correspond to the discharge port of the grinding jar 1, by selecting different connecting plates 14, and different connecting plates 14 are provided with grinding holes 9 of different apertures, the grinding level of the Chinese herbal medicine slices can be adjusted.

[0034] This patent controls the grinding level of the Chinese herbal medicine slices by adjusting the aperture of the grinding hole 9 to meet different processing requirements, and the Chinese herbal medicine slices passing through the grinding hole 9 are further screened and sorted through the sieve plate 4, thereby improving the quality of the Chinese herbal medicine slices collected in the discharge box 27.

[0035] Specifically, bolts 16 are passed through both sides of the mounting plate 13 , and threaded holes are provided on the outer wall of the grinding jar 1 so that the bolts 16 are threadedly connected to the grinding jar 1 , thereby detachably connecting the mounting plate 13 and the grinding jar 1 .

[0036] Furthermore, it also includes: A first drive motor 15 is fixedly connected to the top surface of the grinding jar 1, and an output shaft of the first drive motor 15 vertically extends into the grinding jar 1 and is fixedly connected to the top end of the grinding cone 2; The second driving assembly is arranged in the screening box 3, and the driving end of the second driving assembly is connected to the screen plate 4, so that the screen plate 4 reciprocates relative to the screening box 3 in the horizontal direction.

[0037] The first drive motor 15 is provided to provide rotational power to the grinding cone 2, and the second drive assembly provides power to the sieve plate 4, driving the sieve plate 4 to reciprocate in the horizontal direction, so that the sieve plate 4 vibrates, thereby accelerating the screening of the Chinese herbal medicine pieces.

[0038] Further, the second driving assembly includes: A reciprocating motor 17 is fixedly connected to one side of the screening box 3, and a piston rod 19 of the reciprocating motor 17 is fixedly connected to one side of the screen plate 4; The support rod 18 is fixedly connected to the side of the screen plate 4 away from the reciprocating motor 17. The support rod 18 is slidably connected in the screening box 3. A spring 20 is wound around the support rod 18. The two ends of the spring 20 are respectively against the screen plate 4 and the inner wall of the screening box 3.

[0039] The reciprocating motor 17 and the support rod 18 are arranged on both sides of the sieve plate 4. When the piston rod 19 of the reciprocating motor 17 moves, the sieve plate 4 reciprocates along the width direction, and the support rod 18 and the spring 20 can elastically support the sieve plate 4 to improve the sliding stability of the sieve plate 4.

[0040] Furthermore, a sorting port is provided on one side of the screening box 3 near the lower end of the sieve plate 4, a sorting tube 21 is fixedly connected in the sorting port, one end of the sorting tube 21 extending out of the grinding jar 1 is connected with the sorting box 26, an opening is provided at the bottom end of the screening box 3, a discharge hopper 22 is fixedly connected in the opening, and the discharge hopper 22 is used to vertically connect the discharge box 27 with the bottom end of the sieve plate 4.

[0041] Through the sorting tube 21 corresponding to the lower end of the sieve plate 4, during the reciprocating motion of the sieve plate 4, the unscreened Chinese herbal medicine fibers and a small amount of impurities that are difficult to fully grind are screened out and move along the sieve plate 4, and finally pass into the sorting box 26 from the sorting port, and the discharge hopper 22 receives the screened Chinese herbal medicines and passes them into the discharge box 27 for collection.

[0042] Furthermore, it also includes: The pulverizer 23 is placed on one side of the grinding tank 1, and the discharge end of the pulverizer 23 is connected to the receiving box 25; The screw conveyor 24 is fixed between the containing box 25 and the grinding jar 1. The feeding end of the screw conveyor 24 is connected to the inside of the containing box 25, and the discharging end of the screw conveyor 24 is connected to the top of the grinding chamber.

[0043] In the present technical scheme, the pulverizer 23 includes a feed hopper 231 fixedly connected to the top of the containing box 25, a second drive motor 232 is fixedly connected to the side wall of the containing box 25, the output shaft of the second drive motor 232 is coaxially fixedly connected to a drive rod 233, and the end of the drive rod 233 away from the second drive motor 232 is coaxially fixedly connected to any one of a pair of pulleys 235, a transmission belt 236 is connected between the pair of pulleys 235, and the other pulley 235 is coaxially fixedly connected to another drive rod 233 on the side close to the containing box 25, and a plurality of cutters 234 are circumferentially fixedly connected to the part of the two drive rods 233 located in the containing box 25, and are staggeredly distributed between adjacent two cutters 234 located on different drive rods 233, and the bottom end of the feed hopper 231 is located above the two cutters 234, and the staff can deliver the Chinese medicine into the feed hopper 231 and start the second drive motor 232 to cut the Chinese medicine slices.

[0044] Specifically, the Chinese herbal medicine pieces are first cut into unit blocks by the pulverizer 23, and then the unit blocks are transported to the top of the grinding tank 1 by the screw conveyor 24, and are respectively subjected to primary grinding and secondary grinding by the grinding cone 2 to improve the grinding efficiency of the Chinese herbal medicine pieces.

[0045] The working principle of the Chinese medicine slice processing device of the present invention is: The Chinese medicine raw materials are fed into the pulverizer 23, and the Chinese medicine raw material fragments are passed into the top of the grinding tank 1 through the screw conveyor 24, the first driving motor 15 is started to drive the grinding cone 2 to rotate, and the guide plate 7 is spirally rotated to guide the Chinese medicine raw material fragments into the second section of the grinding cone 2, and the Chinese medicine raw material fragments are ground once by the grinding ring 8 and the side wall of the grinding cone 2, so that the preliminarily ground Chinese medicine pieces fall on the outer circle side of the inner wall of the bottom end of the grinding tank 1, and through the continuous rotation of the grinding cone 2, the first grinding blocks 10 fixed to the bottom surface of the grinding cone 2 drive the Chinese medicine pieces to move, and in the process of moving, they are ground for the second time by the second grinding blocks 11 and the first grinding blocks 10, and finally the fully ground Chinese medicine pieces pass through the grinding hole 9 of the grinding tank 1 and fall into the screening box 3.

[0046] Start the second drive motor 232 to drive the sieve plate 4 to reciprocate, and use the sieve holes on the sieve plate 4 to sieve the second-ground Chinese herbal medicines. On the basis of sufficient grinding, higher quality Chinese herbal medicines can be screened out, so that in the subsequent use process, the medicinal components in the Chinese herbal medicines can be precipitated more quickly and effectively, thereby enhancing the effect of processing production.

[0047] Furthermore, the grinding hole 9 is formed on the connecting plate 14, and the connecting plate 14 can be detachably connected to the grinding tank 1 through a slider and a mounting plate 13, so that the grinding holes 9 of different apertures can be replaced according to different grinding needs, the grinding level can be adjusted, and the use effect can be enhanced.

[0048] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0049] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A Chinese herbal medicine preparation device, characterized in that: include: A grinding jar (1) defining a grinding chamber therein; A grinding cone (2) is rotatably connected in the grinding chamber, the grinding cone (2) is vertically divided into a first section, a second section and a third section, a guide is provided in the first section, the guide is used to guide the Chinese herbal medicine pieces along the top of the grinding chamber to the second section, a first grinding part is provided in the second section, the first grinding part cooperates with the inner side wall of the grinding jar (1) to grind the Chinese herbal medicine pieces, a second grinding part is provided in the third section, the second grinding part cooperates with the inner wall of the bottom end of the grinding jar (1) to grind the Chinese herbal medicine pieces, and the grinding level from the first grinding part to the second grinding part gradually decreases; A screening box (3) is arranged on the bottom surface of the grinding jar (1) and is connected to the discharge port of the grinding jar (1). A screening plate (4) is movably provided in the screening box (3). The screening plate (4) is provided with a plurality of screening holes. The screening plate (4) is arranged obliquely. The lower end of the screening plate (4) is connected to the sorting box (26), and the bottom end of the screening plate (4) is connected to the discharge box (27).

2. The Chinese medicine slice processing device according to claim 1, characterized in that: The top of the grinding cone (2) is a conical structure. The inner wall of the grinding jar (1) is provided with a sleeve (5) fixedly connected thereto. The top of the inner ring side of the sleeve (5) is provided with a guide groove (6). The portion of the grinding cone (2) located in the guide groove (6) is the first interval. The cross section of the guide groove (6) is an arc-shaped structure. A spacing is provided between the guide groove (6) and the side wall of the grinding cone (2), and the spacing gradually decreases along the vertical direction.

3. The Chinese medicine slice processing device according to claim 2, characterized in that: The guide member comprises: The guide plate (7) is a spiral structure, and is disposed circumferentially around the outer wall of the grinding cone (2), and the length of the perpendicular line between the outer peripheral side of the guide plate (7) and the inner wall surface of the guide groove (6) is the same.

4. The Chinese herbal medicine preparation device according to claim 2, characterized in that: The remaining area of ​​the side wall of the grinding cone (2) away from the guide groove (6) is the second section, and a grinding ring (8) is fixedly connected to the portion of the inner ring side of the sleeve (5) located in the second section, and the first grinding portion is formed between the inner ring side of the grinding ring (8) and the side wall of the grinding cone (2).

5. The Chinese medicine slice processing device according to claim 1, characterized in that: The bottom surface of the grinding cone (2) is the third zone, the inner wall of the bottom end of the grinding chamber is located in the area of ​​the discharge port and is provided with a plurality of grinding holes (9) in an array, the bottom surface of the grinding cone (2) is fixedly connected to a plurality of first grinding blocks (10), and the inner wall of the bottom end of the grinding jar (1) is fixedly connected to other areas away from the grinding holes (9), and the first grinding blocks (10) and the second grinding blocks (11) constitute the second grinding portion.

6. The Chinese medicine slice processing device according to claim 5, characterized in that: A slide groove is provided on one side of the bottom end of the grinding jar (1), a slide plate (12) is limitedly slidably connected in the slide groove, a mounting plate (13) is fixedly connected to the outer wall of the slide plate (12), the mounting plate (13) is detachably connected to the grinding jar (1), a connecting plate (14) is fixedly connected to the side of the slide plate (12) extending into the grinding jar (1), a plurality of the grinding holes (9) are arranged in an array on the connecting plate (14), and the grinding holes (9) on the connecting plate (14) have a changeable aperture.

7. The Chinese medicine slice processing device according to claim 1, characterized in that: Also includes: A first drive motor (15) is fixedly connected to the top surface of the grinding jar (1), and an output shaft of the first drive motor (15) extends vertically into the grinding jar (1) and is fixedly connected to the top end of the grinding cone (2); A second drive assembly is arranged in the screening box (3), and a drive end of the second drive assembly is connected to the screening plate (4) so ​​that the screening plate (4) reciprocates in a horizontal direction relative to the screening box (3).

8. The Chinese medicine slice processing device according to claim 7, characterized in that: The second driving assembly comprises: A reciprocating motor (17) is fixedly connected to one side of the screening box (3); a piston rod (19) of the reciprocating motor (17) is fixedly connected to one side of the screening plate (4); A support rod (18) is fixedly connected to a side of the sieve plate (4) away from the reciprocating motor (17), and the support rod (18) is slidably connected in the sieving box (3). A spring (20) is wound around the support rod (18), and two ends of the spring (20) are respectively in contact with the sieve plate (4) and the inner wall surface of the sieving box (3).

9. The Chinese medicine slice processing device according to claim 1, characterized in that: The screening box (3) is provided with a sorting port on one side close to the lower end of the sieve plate (4), a sorting tube (21) is fixedly connected in the sorting port, one end of the sorting tube (21) extending out of the grinding tank (1) is connected to the sorting box (26), and the bottom end of the screening box (3) is provided with an opening, a discharge hopper (22) is fixedly connected in the opening, and the discharge hopper (22) is used to connect the discharge box (27) with the bottom end of the sieve plate (4) in a vertical direction.

10. The Chinese medicine slice processing device according to claim 1, characterized in that: Also includes: A pulverizer (23) is placed on one side of the grinding jar (1), and a discharge end of the pulverizer (23) is connected to a containing box (25); A screw conveyor (24) is fixed between the containing box (25) and the grinding jar (1), wherein a feeding end of the screw conveyor (24) is in communication with the inside of the containing box (25), and a discharging end of the screw conveyor (24) is in communication with the top of the grinding chamber.

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