Fermentation device for producing traditional Chinese medicine decoction pieces

By introducing stirring components, grinding components and scraper strips of the main bevel gear and auxiliary bevel gear meshing into the fermentation device for Chinese herbal medicine production, the problems of limited stirring range and sticky powder are solved, and the fermentation quality of Chinese herbal medicine and the durability of the control panel are improved.

CN120330039APending Publication Date: 2025-07-18MIANYANG TEACHERS COLLEGE
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Patent Information

Application Number
CN202510560701.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2025-07-18

AI Technical Summary

Technical Problem

The existing fermentation device for the production of traditional Chinese herbal tablets has a limited stirring range, and the raw materials close to the inner wall of the fermentation tank have poor fluidity, which affects the mixing efficiency of traditional Chinese medicine and microorganisms, and the powder is prone to stick to the inner wall.

Method used

The stirring assembly is equipped with a meshing mating combination of the main bevel gear and the auxiliary bevel gear, combined with the grinding assembly and the auxiliary assembly, and the stirring drum and the stirring rod are driven by the motor to achieve full stirring and grinding, and the powder is prevented from sticking through the scraper and scraper, and the control panel is protected by the retracting and placement assembly.

Benefits of technology

It improves the mixing efficiency and quality of fermentation of Chinese herbal medicines, prevents the powder from sticking, and extends the service life of the control panel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of traditional Chinese medicine decoction piece production, and provides a fermentation device for traditional Chinese medicine decoction piece production, which comprises: a main body assembly, which comprises a fermentation tank, a machine room, an auxiliary cylinder, a charging cylinder and a mounting cover; the cabin is fixedly connected to the bottom end of the fermentation tank, the auxiliary cylinder is fixedly connected to the top end of the fermentation tank, the charging cylinder is fixedly connected to the top end of the auxiliary cylinder, and the mounting cover is mounted at the top end of the charging cylinder; the stirring assembly comprises a fixing frame, a motor, a stirring barrel and a stirring rod. According to the traditional Chinese medicine grinding device, the auxiliary assembly is arranged, through auxiliary cooperation between a connecting rod and a first discharging plate, the first discharging plate and a second discharging plate can be driven to rotate while the connecting rod is started to rotate, traditional Chinese medicine is ground, workers can be assisted in discharging medicine powder, and the medicine powder is prevented from adhering to the interior of an auxiliary cylinder; the traditional Chinese medicine powder can be in full contact with microorganisms in the fermentation process, and the production quality of the traditional Chinese medicine decoction pieces is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of traditional Chinese medicine decoction pieces production, and particularly relates to a fermentation device for traditional Chinese medicine decoction pieces production. Background Art

[0002] Traditional Chinese medicine decoction pieces are traditional Chinese medicines that have been processed according to traditional Chinese medicine theory and traditional Chinese medicine processing methods and can be directly used in clinical practice of traditional Chinese medicine; When staff use a fermentation device in the process of traditional Chinese medicine decoction pieces production, the stirring mechanism adopted by the fermentation device usually uses a separate stirring shaft and stirring rod for stirring. Not only is the stirring range limited, but the raw materials near the inner wall of the fermentation tank have poor fluidity, are prone to sticking and adhering to the inner wall of the fermentation tank, which is likely to affect its heat exchange efficiency and reduce the mixing efficiency between traditional Chinese medicine and microorganisms at the same time. Summary of the Invention

[0003] The purpose of the present invention is to provide a fermentation device for traditional Chinese medicine decoction pieces production to solve the defect that a conventional fermentation device for traditional Chinese medicine decoction pieces production usually uses a separate stirring shaft and stirring rod for stirring, not only with a limited stirring range, but also with poor fluidity of the raw materials near the inner wall of the fermentation tank.

[0004] To solve the above technical problems, the present invention provides the following technical solution: A fermentation device for traditional Chinese medicine decoction pieces production, comprising: Main body assembly: The main body assembly includes a fermentation tank, a machine chamber, an auxiliary cylinder, a feeding cylinder and a mounting cover; The machine chamber is fixedly connected to the bottom end of the fermentation tank, the auxiliary cylinder is fixedly connected to the top end of the fermentation tank, the feeding cylinder is fixedly connected to the top end of the auxiliary cylinder, and the mounting cover is installed at the top end of the feeding cylinder; Stirring assembly: The stirring assembly includes a fixing frame, a motor, a stirring cylinder and a stirring rod; The fixing frame is fixedly connected to the inside of the machine chamber, the motor is fixedly connected to the outside of the fixing frame, the stirring cylinder is rotatably connected to the upper part of one end of the fixing frame, and the stirring rod is rotatably connected to the lower part of one end of the fixing frame.

[0005] Preferably, the stirring assembly further includes a main bevel gear and two groups of auxiliary bevel gears; The main bevel gear is fixedly connected to the connection end of the motor, and the two groups of auxiliary bevel gears are respectively fixedly connected to one end of the stirring cylinder and the main bevel gear, and the two groups of auxiliary bevel gears and the main bevel gear are all meshed.

[0006] Preferably, one end of the stirring rod penetrates through the inside of the stirring cylinder, and the two groups of auxiliary bevel gears are respectively arranged above and below one side of the main bevel gear.

[0007] Preferably, it further includes a grinding assembly; The grinding assembly includes a connecting rod, a first blanking plate, and a second blanking plate; The connecting rod is fixedly connected to the top end of the stirring rod, the first blanking plate is fixedly connected to one side of the top end of the connecting rod, and the second blanking plate is fixedly connected to the other side of the top end of the connecting rod.

[0008] Preferably, the grinding assembly further includes a grinding cylinder and a scraping blade; The grinding cylinder is fixedly connected to the bottom end of the second blanking plate, and the scraping blade is fixedly connected to the bottom end of the first blanking plate.

[0009] Preferably, an auxiliary assembly is further included; The auxiliary assembly includes a rotating ring, a scraping rod, a scraping strip, and a mixing rod; The rotating ring is fixedly connected to the outside of the top end of the connecting rod, the scraping rods are fixedly connected to both ends of the bottom of the rotating ring, the scraping strip is fixedly connected to the lower part of one end of the scraping rod, and the mixing rod is fixedly connected to the outside of the bottom end of the connecting rod.

[0010] Preferably, one side of the scraping rod is in contact with the inner side of the auxiliary cylinder, and one side of the scraping strip is in contact with the inner bottom wall of the auxiliary cylinder.

[0011] Preferably, a retracting and releasing assembly is further included; The retracting and releasing assembly includes a retracting and releasing box, a drawing slot, and a protection plate; The retracting and releasing box is fixedly connected to the fermentation tank, the drawing slot is opened at the top end of the retracting and releasing box, and the protection plate is slidably connected to the inside of the drawing slot.

[0012] Preferably, the retracting and releasing assembly further includes a control panel, a toothed plate, a rotating gear, and a toothed block; The toothed plate is slidably connected to the inside of the retracting and releasing box, the control panel is fixedly connected to the top end of the toothed plate, the rotating gear is rotatably connected to both sides of the inner wall of the retracting and releasing box, and the toothed block is fixedly connected to the lower part of the rear end of the protection plate.

[0013] Preferably, the toothed plate and the rotating gear are arranged on the same central axis, and the toothed block and the rotating gear are arranged on the same movement track.

[0014] The fermentation device for producing traditional Chinese medicine decoction pieces provided by the present invention has the following advantages: By providing a mixing mechanism, through the meshing cooperation between the main bevel gear and the two groups of auxiliary bevel gears, the stirring cylinder and the stirring rod can be driven to rotate simultaneously by starting the motor, and the traditional Chinese medicine decoction pieces inside the fermentation tank can be fully stirred and mixed, which can improve the quality of the fermentation of traditional Chinese medicine decoction pieces; Furthermore, by providing a grinding assembly, through the auxiliary cooperation between the connecting rod and the first blanking plate, the first blanking plate and the second blanking plate can be driven to rotate while the connecting rod rotates, and the traditional Chinese medicine can be ground, which can grind the traditional Chinese medicine, thereby improving the quality of the mixed fermentation of traditional Chinese medicine decoction pieces; Based on the above beneficial effects, an auxiliary component is provided. Through the auxiliary cooperation between the connecting rod and the first blanking plate, when the connecting rod is started to rotate, the first blanking plate and the second blanking plate can be driven to rotate, and the traditional Chinese medicine can be ground, which can assist the staff in blanking the medicinal powder, prevent the medicinal powder from sticking inside the auxiliary cylinder, and enable the traditional Chinese medicine powder and microorganisms to fully contact during the fermentation process, improving the quality of the production of traditional Chinese medicine decoction pieces.

[0015] By providing a retractable structure, through the auxiliary cooperation between the retractable box and the draw slot, when the protective plate is pulled upward, the toothed plate can be driven to slide outwards, providing a retractable space for the control panel, reducing the damage caused to the control panel by external factors, and thus extending the service life of the control panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Isometric view of the present invention; Figure 2 Stereoscopic exploded view of the stirring component of the present invention; Figure 3 Stereoscopic exploded view of the present invention; Figure 4 Stereoscopic exploded view of the feeding cylinder of the present invention; Figure 5 Schematic stereoscopic exploded view of the auxiliary cylinder of the present invention; Figure 6 Stereoscopic view of the stirring component of the present invention; Figure 7 Stereoscopic exploded view of the retractable component of the present invention; Figure 8 Stereoscopic view of the retractable component of the present invention.

[0017] Explanation of the reference numerals in the drawings: 11, fermentation tank; 12, machine compartment; 13, auxiliary cylinder; 14, feeding cylinder; 15, mounting cover; 21, fixing frame; 22, motor; 23, stirring cylinder; 24, stirring rod; 25, main bevel gear; 26, auxiliary bevel gear; 31, connecting rod; 32, first blanking plate; 33, grinding cylinder; 34, scraping blade; 35, second blanking plate; 301, swivel ring; 302, scraping rod; 303, scraping strip; 304, mixing rod; 41, retractable box; 42, draw slot; 43, protective plate; 44, control panel; 45, toothed plate; 46, rotating gear; 47, tooth block. DETAILED DESCRIPTION OF THE INVENTION

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0019] Please refer to Figures 1-8 , a fermentation device for traditional Chinese medicine decoction pieces production provided by the present invention, comprising: Main body assembly: The main body assembly includes a fermentation tank 11, a machine chamber 12, an auxiliary cylinder 13, a feeding cylinder 14 and a mounting cover 15; The machine chamber 12 is fixedly connected to the bottom end of the fermentation tank 11, the auxiliary cylinder 13 is fixedly connected to the top end of the fermentation tank 11, the feeding cylinder 14 is fixedly connected to the top end of the auxiliary cylinder 13, and the mounting cover 15 is installed at the top end of the feeding cylinder 14; The feeding cylinder 14 and the mounting cover 15 are in snap connection. The inner bottom shape of the auxiliary cylinder 13 is arc-shaped. Both sides of the bottom of the auxiliary cylinder 13 are provided with blanking grooves, and a filter screen is installed inside the blanking grooves; Stirring assembly: The stirring assembly includes a fixing frame 21, a motor 22, a stirring cylinder 23 and a stirring rod 24; The fixing frame 21 is fixedly connected to the inside of the machine chamber 12, the motor 22 is fixedly connected to the outside of the fixing frame 21, the stirring cylinder 23 is rotatably connected to the upper part of one end of the fixing frame 21, and the stirring rod 24 is rotatably connected to the lower part of one end of the fixing frame 21; Main body assembly: The main body assembly includes a fermentation tank 11, a machine chamber 12, an auxiliary cylinder 13, a feeding cylinder 14 and a mounting cover 15; The machine chamber 12 is fixedly connected to the bottom end of the fermentation tank 11, the auxiliary cylinder 13 is fixedly connected to the top end of the fermentation tank 11, the feeding cylinder 14 is fixedly connected to the top end of the auxiliary cylinder 13, and the mounting cover 15 is installed at the top end of the feeding cylinder 14; Stirring assembly: The stirring assembly includes a fixing frame 21, a motor 22, a stirring cylinder 23 and a stirring rod 24; The fixing frame 21 is fixedly connected to the inside of the machine chamber 12, the motor 22 is fixedly connected to the outside of the fixing frame 21, the stirring cylinder 23 is rotatably connected to the upper part of one end of the fixing frame 21, and the stirring rod 24 is rotatably connected to the lower part of one end of the fixing frame 21; The stirring assembly further includes a main bevel gear 25 and two groups of auxiliary bevel gears 26; The main bevel gear 25 is fixedly connected to the connection end of the motor 22. The two groups of auxiliary bevel gears 26 are respectively fixedly connected to one end of the stirring cylinder 23 and the main bevel gear 25. The two groups of auxiliary bevel gears 26 and the main bevel gear 25 are all in meshing connection; The output shaft of the motor 22 is fixedly connected with a main bevel gear 25 through a coupling. The fixing frame 21 is used to provide a rotating space for the main bevel gear 25 and the auxiliary bevel gear 26. One end of the auxiliary bevel gear 26 penetrates into the interior of the mixing drum 23, and the mixing drum 23 and the mixing rod 24 penetrate into the interior of the fermentation tank 11; Through the meshing cooperation between the main bevel gear 25 and the two groups of auxiliary bevel gears 26, the mixing drum 23 and the mixing rod 24 can be driven to rotate simultaneously by starting the motor 22; Working principle: When the staff ferments the traditional Chinese medicine decoction pieces; First, the staff can start the motor 22 to work, so that the output shaft of the motor 22 drives the main bevel gear 25 to rotate through the coupling, and the main bevel gear 25 can be meshed and connected with the two groups of auxiliary bevel gears 26 on one side; Then, the mixing drum 23 and the mixing rod 24, which are both fixedly connected with the auxiliary bevel gear 26 at the bottom end, can be rotated simultaneously. While the mixing drum 23 rotates forward, the mixing rod 24 rotates reversely inside the mixing drum 23; This step can fully stir and mix the traditional Chinese medicine decoction pieces inside the fermentation tank 11, and improve the quality of the fermentation of the traditional Chinese medicine decoction pieces.

[0020] Please refer to Figures 3-4 As shown, on the basis of the above embodiment, this embodiment further includes a grinding assembly; The grinding assembly includes a connecting rod 31, a first feeding plate 32 and a second feeding plate 35; The connecting rod 31 is fixedly connected to the top end of the mixing rod 24. The first feeding plate 32 is fixedly connected to one side of the top end of the connecting rod 31. The second feeding plate 35 is fixedly connected to the other side of the top end of the connecting rod 31.

[0021] The grinding assembly further includes a grinding cylinder 33 and a scraping blade 34; The grinding cylinder 33 is fixedly connected to the bottom end of the second feeding plate 35. The scraping blade 34 is fixedly connected to the bottom end of the first feeding plate 32; The first feeding plate 32 is used to provide an installation space for the grinding cylinder 33. The second feeding plate 35 is used to provide an installation space for the scraping blade 34; A feeding groove is opened on the inner bottom wall of the feeding cylinder 14, and a sieve is installed inside the feeding groove; Through the auxiliary cooperation between the connecting rod 31 and the first feeding plate 32, the first feeding plate 32 and the second feeding plate 35 can be driven to rotate while starting the connecting rod 31 to rotate, and the traditional Chinese medicine can be ground; Working principle: When the connecting rod 31 rotates; First, the first blanking plate 32 and the second blanking plate 35 fixedly connected to the top end of the connecting rod 31 can be rotated simultaneously, so that the grinding cylinder 33 fixedly connected to the bottom end of the second blanking plate 35 can perform circular motion inside the feeding cylinder 14 and grind the traditional Chinese medicine inside the feeding cylinder 14; Next, the first blanking plate 32 can be rotated to drive the scraping blade 34 fixedly connected to the bottom end to rotate, so that the scraping blade 34 can push the ground traditional Chinese medicine and assist in blanking through the blanking groove opened inside the feeding cylinder 14; This step can grind the traditional Chinese medicine, thereby improving the quality of the mixed fermentation of traditional Chinese medicine pieces.

[0022] The auxiliary component includes a rotating ring 301, a scraping rod 302, a scraping strip 303 and a mixing rod 304; Please refer to Figures 5-6 As shown, in this embodiment, on the basis of the above embodiment, an auxiliary component is further included; The rotating ring 301 is fixedly connected to the outer part of the top end of the connecting rod 31, the scraping rod 302 is fixedly connected to both ends of the bottom of the rotating ring 301, the scraping strip 303 is fixedly connected to the lower part of one end of the scraping rod 302, and the mixing rod 304 is fixedly connected to the outer part of the bottom end of the connecting rod 31; One side of the scraping rod 302 is in contact with the inner side of the auxiliary cylinder 13, and one side of the scraping strip 303 is in contact with the inner bottom wall of the auxiliary cylinder 13; Through the auxiliary cooperation between the rotating ring 301 and the scraping rod 302, when the connecting rod 31 is started to rotate, the scraping rod 302 can be driven to rotate, so that the scraping strip 303 and the scraping rod 302 can scrape the attached powder; Working principle: When the ground powder falls into the auxiliary cylinder 13; First, the connecting rod 31 can drive the rotating ring 301 to rotate inside the auxiliary cylinder 13, so that the scraping rod 302 installed at the bottom end of the rotating ring 301 can rotate and scrape the powder attached to the inner wall of the auxiliary cylinder 13. At the same time, the scraping strip 303 installed at one end of the scraping rod 302 can scrape the powder falling on the inner bottom wall of the rotating ring 301; Next, the scraping blades 34 installed on both sides of the bottom of the connecting rod 31 can be rotated to push and feed the powder inside the auxiliary cylinder 13 into the fermentation tank 11; This step can assist the staff in feeding the powder, prevent the powder from sticking inside the auxiliary cylinder 13, and thus improve the quality of the fermentation of traditional Chinese medicine pieces.

[0023] Please refer to Figures 7-8 As shown, in this embodiment, on the basis of the above embodiment, a winding and unwinding component is further included: The winding and unwinding component includes a winding and unwinding box 41, a pulling slot 42 and a protection plate 43; The storage and release box 41 is fixedly connected to the fermentation tank 11. A pull-out groove 42 is opened at the top of the storage and release box 41. A protection plate 43 is slidably connected to the inside of the pull-out groove 42.

[0024] The storage and release assembly further includes a control panel 44, a toothed plate 45, a rotating gear 46, and a toothed block 47. The toothed plate 45 is slidably connected to the inside of the storage and release box 41. The control panel 44 is fixedly connected to the top of the toothed plate 45. The rotating gear 46 is rotatably connected to both sides of the inner wall of the storage and release box 41. The toothed block 47 is fixedly connected to the lower part of the rear end of the protection plate 43. The storage and release box 41 is used to open the pull-out groove 42. The pull-out groove 42 is used to provide a sliding space for the protection plate 43. The toothed block 47 and the rotating gear 46 are arranged in parallel. The toothed plate 45 and the rotating gear 46 are arranged in parallel. Through the auxiliary cooperation between the storage and release box 41 and the pull-out groove 42, when the protection plate 43 is pulled upward, the toothed plate 45 can be driven to slide outwards. Working principle: When the staff sets the temperature in the fermentation device; First, the staff can make the toothed block 47 installed at the lower part of the rear side of the protection plate 43 engage with the rotating gear 46 by pulling the protection plate 43 inside the pull-out groove 42 upward. Then, at the same time, the rotating gear 46 can be rotated to engage with the toothed plate 45, thereby driving the toothed plate 45 to slide, and the toothed plate 45 drives the control panel 44 installed at the top to slide out of the inside of the storage and release box 41. This step can provide a storage and release space for the control panel 44, reduce the damage caused to the control panel 44 by external factors, and thus extend the service life of the control panel 44.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fermentation device for the production of traditional Chinese medicine decoction pieces, characterized in that, Comprising; Main body assembly: The main body assembly includes a fermentation tank (11), a machine compartment (12), an auxiliary cylinder (13), a feeding cylinder (14), and a mounting cover (15); The machine compartment (12) is fixedly connected to the bottom end of the fermentation tank (11), the auxiliary cylinder (13) is fixedly connected to the top end of the fermentation tank (11), the feeding cylinder (14) is fixedly connected to the top end of the auxiliary cylinder (13), and the mounting cover (15) is installed at the top end of the feeding cylinder (14); Stirring assembly: The stirring assembly includes a fixing frame (21), a motor (22), a stirring cylinder (23), and a stirring rod (24); The fixing frame (21) is fixedly connected to the inside of the machine compartment (12), the motor (22) is fixedly connected to the outside of the fixing frame (21), the stirring cylinder (23) is rotatably connected to the upper part of one end of the fixing frame (21), and the stirring rod (24) is rotatably connected to the lower part of one end of the fixing frame (21).

2. The fermentation device for traditional Chinese medicine pieces production according to claim 1, wherein: The stirring assembly further includes a main bevel gear (25) and two groups of auxiliary bevel gears (26); The main bevel gear (25) is fixedly connected to the connecting end of the motor (22), the two groups of auxiliary bevel gears (26) are respectively fixedly connected to one end of the stirring cylinder (23) and the main bevel gear (25), and the two groups of auxiliary bevel gears (26) and the main bevel gear (25) are all meshed and connected.

3. The fermentation device for traditional Chinese medicine decoction pieces production according to claim 2, characterized in that: One end of the stirring rod (24) penetrates into the inside of the stirring cylinder (23), and the two groups of auxiliary bevel gears (26) are respectively arranged above and below one side of the main bevel gear (25).

4. A fermentation device for producing traditional Chinese medicine decoction pieces according to claim 1, characterized in that: It further includes a grinding assembly; The grinding assembly includes a connecting rod (31), a first blanking plate (32), and a second blanking plate (35); The connecting rod (31) is fixedly connected to the top end of the stirring rod (24), the first blanking plate (32) is fixedly connected to one side of the top end of the connecting rod (31), and the second blanking plate (35) is fixedly connected to the other side of the top end of the connecting rod (31).

5. A fermentation device for traditional Chinese medicine decoction pieces production according to claim 4, characterized in that: The grinding assembly further includes a grinding cylinder (33) and a scraping blade (34); The grinding cylinder (33) is fixedly connected to the bottom end of the second blanking plate (35), and the scraping blade (34) is fixedly connected to the bottom end of the first blanking plate (32).

6. The fermentation device for traditional Chinese medicine decoction pieces production according to claim 4, wherein: It further includes an auxiliary assembly; The auxiliary assembly includes a rotating ring (301), a scraping rod (302), a scraping strip (303), and a mixing rod (304); The rotating ring (301) is fixedly connected to the outside of the top end of the connecting rod (31), the scraping rod (302) is fixedly connected to both ends of the bottom of the rotating ring (301), the scraping strip (303) is fixedly connected to the lower part of one end of the scraping rod (302), and the mixing rod (304) is fixedly connected to the outside of the bottom end of the connecting rod (31).

7. A fermentation device for the production of traditional Chinese medicine decoction pieces according to claim 6, characterized in that: One side of the scraping rod (302) is in contact with the inner side of the auxiliary cylinder (13), and one side of the scraping strip (303) is in contact with the inner bottom wall of the auxiliary cylinder (13).

8. A fermentation device for traditional Chinese medicine decoction pieces production according to claim 1, characterized in that: It further includes a winding and unwinding assembly; The winding and unwinding assembly includes a winding and unwinding box (41), a pulling slot (42), and a protection plate (43); The winding and unwinding box (41) is fixedly connected to the fermentation tank (11), the pulling slot (42) is opened at the top end of the winding and unwinding box (41), and the protection plate (43) is slidably connected to the inside of the pulling slot (42).

9. A fermentation device for traditional Chinese medicine slice production according to claim 8, characterized in that: The retracting and extending assembly further includes a control panel (44), a toothed plate (45), a rotating gear (46), and a toothed block (47); The toothed plate (45) is slidably connected to the inside of the retracting and extending box (41), the control panel (44) is fixedly connected to the top end of the toothed plate (45), the rotating gear (46) is rotatably connected to both sides of the inner wall of the retracting and extending box (41), and the toothed block (47) is fixedly connected to the lower part of the rear end of the protection plate (43).

10. A fermentation device for traditional Chinese medicine decoction piece production according to claim 9, characterized in that: The toothed plate (45) and the rotating gear (46) are arranged on the same central axis, and the toothed block (47) and the rotating gear (46) are arranged on the same movement track.