Traditional Chinese medicinal material tabletting machine and tabletting method thereof

Abstract

The invention relates to the field of traditional Chinese medicine pharmacy, and discloses a traditional Chinese medicine tablet press and a tablet pressing method.The traditional Chinese medicine tablet press comprises a workbench, the upper side and the lower side in the workbench are fixedly connected with fixing supporting plates, the outer wall of the workbench is fixedly connected with a motor, the output end of the motor is provided with a toothed transmission belt, and the two ends of the toothed transmission belt are provided with rotating shafts; one end of the rotating shaft is fixedly connected with an eccentric wheel, the inner wall of the fixed supporting plate is slidably connected with a sliding plate, the lower surface of the sliding plate is fixedly connected with a material pressing plate, the upper surface of the sliding plate is provided with a pull-back assembly, the pull-back assembly is used for pulling the fixed supporting plate back to the initial position, and the material pressing plate is internally provided with a pre-pressing assembly. The surfaces of the pressing plate and the microporous pressing plate are uniformly coated with the Teflon coatings, and the Teflon coatings have excellent adhesion resistance, so that medicine powder can be effectively prevented from being adhered to a working surface, the sticking problem is avoided, and efficient operation of equipment and stability of a tabletting effect are ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of traditional Chinese medicine manufacturing, and particularly to a traditional Chinese medicine tablet press and a tablet pressing method thereof. Background Art

[0002] The traditional Chinese medicine tablet press is an essential device in the process of traditional Chinese medicine manufacturing, and is widely used to press traditional Chinese medicine powders into tablets for convenient storage, transportation and use. With the continuous expansion of the demand in the traditional Chinese medicine market, especially the rapid development of the modern pharmaceutical industry, higher requirements are put forward for the performance, production efficiency and automation level of the traditional Chinese medicine tablet press. In order to improve production efficiency, reduce labor costs and ensure the stability of drug quality, modern traditional Chinese medicine tablet presses are developing in the direction of high efficiency, high precision and automation.

[0003] However, although the existing traditional Chinese medicine tablet presses can meet the production requirements to a certain extent, there are still some problems that need to be improved urgently in terms of tablet pressing efficiency, tablet quality, operation convenience, etc. Therefore, there is an urgent need for a new traditional Chinese medicine tablet press and a tablet pressing method thereof, which can solve the defects in the existing technology and improve the overall production efficiency and drug quality.

[0004] Most of the common traditional Chinese medicine tablet presses on the market at present adopt traditional mechanical pressing methods. These devices usually press the medicinal powder into tablets by applying pressure through the upper and lower punches. The traditional tablet press generally presses by a single pressure application method. However, due to the unevenness of the medicinal powder during the pressing process and the excessive pressure concentrated on a certain part of the medicinal materials, the tablets are prone to cracking or the surface is uneven. The cracking problem will affect the appearance quality of the tablets and may also lead to unstable drug efficacy, thus affecting the quality of the final product.

[0005] The existing traditional Chinese medicine tablet presses usually rely on manual operation in multiple links, such as the feeding of raw materials, the adjustment of pressing force, the cleaning and maintenance of the equipment, etc., resulting in a low degree of automation of the equipment. Manual operation not only increases the operation difficulty and the risk of errors, but also reduces the production efficiency. In addition, the operation process of the traditional tablet press is relatively cumbersome, unable to meet the needs of large-scale and continuous production, and unable to give full play to the production potential. In the traditional tablet press, the medicinal powder is easy to adhere to the surface of the punch or the pressing plate during the pressing process, forming the phenomenon of sticking punches. Sticking punches not only affects the tablet pressing effect, but may also cause machine failures or slow down the production efficiency. This is because the friction force between the medicinal powder and the working surface is relatively large, resulting in the powder being unable to fall off smoothly from the working surface during the pressing process, thereby affecting the forming effect of the tablets and the normal operation of the equipment. Summary of the Invention

[0006] In view of the deficiencies of the prior art, the present invention provides a Chinese herbal medicine tablet press and a tablet pressing method thereof, which solve the problems of tablet cracking and uneven surface quality caused by the unevenness of the medicinal material powder during the pressing process in traditional tablet presses that generally apply pressure in a single way.

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: A Chinese herbal medicine tablet press includes a workbench. Fixed support plates are fixedly connected to both the upper and lower sides inside the workbench. A motor is fixedly connected to the outer wall of the workbench. A toothed drive belt is arranged at the output end of the motor. Rotating shafts are arranged at both ends of the toothed drive belt. An eccentric wheel is fixedly connected to one end of the rotating shaft. A sliding plate is slidably connected to the inner wall of the fixed support plate. A pressure plate is fixedly connected to the lower surface of the sliding plate. A pulling-back component is arranged on the upper surface of the sliding plate. The pulling-back component is used to pull the fixed support plate back to the initial position. A pre-pressing component is arranged inside the pressure plate. The pre-pressing component is used to reduce the air bubbles between the raw materials. A pressure bin is fixedly connected to the middle of the workbench. The pre-pressing component includes a limiting sliding rod. The outer wall of the limiting sliding rod is slidably connected inside the pressure plate. A limiting plate is fixedly connected to the middle of the outer wall of the limiting sliding rod. A second spring is sleeved on the upper side of the outer wall of the limiting sliding rod. A micro-hole pressure plate is fixedly connected to the bottom of the limiting sliding rod. The micro-hole pressure plate and the outer wall of the pressure plate are both slidably connected to the inner wall of the pressure bin. Teflon coatings are evenly applied to the outer walls of the pressure plate and the micro-hole pressure plate.

[0008] Preferably, the pulling-back component includes a guiding rod. The bottom of the guiding rod is fixedly connected to the upper surface of the sliding plate. A first spring is sleeved on the outer wall of the guiding rod. One end of the first spring is fixedly connected to the upper surface of the sliding plate. The other end of the first spring is fixedly connected to the outer wall of the fixed support plate.

[0009] Preferably, a pushing plate is slidably connected inside the pressure bin. An L-shaped connecting plate is fixedly connected to one side of the outer wall of the pushing plate. A storage bin is arranged on the inner wall of the workbench. A feeding plate is fixedly connected to the top of the workbench. An electric guide rail is fixedly connected to the middle of the workbench. A connecting plate is fixedly connected to the output end of the electric guide rail. A feeding plate is fixedly connected to one side of the outer wall of the connecting plate. The outer wall of the feeding plate is slidably connected to the bottom of the feeding plate. A sealing baffle is fixedly connected to one side of the outer wall of the feeding plate. A feeding component is arranged on the lower surface of the sealing baffle. The feeding component is used to facilitate the quantitative raw materials to fall into the micro-hole pressure plate. A diversion plate is fixedly connected to the upper surface of the storage bin.

[0010] Preferably, the unloading assembly includes a sliding seat, the upper surface of the sliding seat is fixedly connected to the lower surface of the sealing baffle, an electric push rod is fixedly connected inside the sliding seat, the output end of the electric push rod is fixedly connected to a sealing bottom plate, and the outer wall of the sealing bottom plate is slidably connected to the bottom of the feeding plate.

[0011] Preferably, one end of the L-shaped connecting plate is fixedly connected to the lower surface of the sliding seat, and the L-shaped connecting plate is used to drive the push plate and the sliding seat to move synchronously.

[0012] Preferably, the guide plate is arranged on one side of the outer wall of the microporous pressure plate, and the outer wall of the pressure bin is slidably connected to the inside of the microporous pressure plate.

[0013] Preferably, the lower surface of the sliding seat is slidably connected to the middle of the workbench, and the outer wall of the feeding plate is slidably connected to the top of the micro-porous pressing plate.

[0014] Preferably, the outer wall of the sealing baffle is slidably connected to the bottom of the blanking plate, and the outer wall of the eccentric wheel is slidably connected to the top of the sliding plate.

[0015] A tableting method for a Chinese herbal medicine tableting machine, the method comprising the following steps: Step 1: Place the Chinese herbal medicine powder raw material in the unloading plate, and start the electric guide rail to drive the feeding plate to transport the raw material into the unloading plate; Step 2: When the raw material fills the feeding plate, start the electric push rod to push the sealing bottom plate, so that the feeding plate drives the sealing baffle to slide to the bottom of the lower plate and close the feeding port to ensure that the raw material will not leak; Step 3: Continue to drive the feeding plate to move through the electric guide rail, ensure that the sealing baffle drives the sliding seat to slide synchronously, so that the sealing bottom plate is opened, and the raw material automatically enters the microporous pressing plate; Step 4: The microporous pressing plate is supported to contact the raw material through the pressing plate, and the motor is started to drive the eccentric wheel to rotate, so as to drive the sliding plate to slide on the inner wall of the fixed support plate, and drive the pressing plate to pre-press the raw material; Step 5: As the pressing plate gradually moves, the microporous pressing plate applies pressure to the raw material, removes bubbles, and presses the raw material evenly; Step 6: Through the relative movement of the upper and lower pressing plates and the microporous pressing plate, the Chinese medicinal materials are pressed layer by layer to ensure the uniformity of the density of the medicine and prevent the cracking phenomenon; Step 7. After the pressing is completed, use the pull-back assembly to pull the sliding plate back to its original position to ensure that the equipment is ready for the next round of operation.

[0016] Preferably, the method further comprises the following steps: Step 8: During the pressing process, use the spring 1 in the pull-back assembly to pull the sliding plate back to ensure that the raw materials pressed each time are evenly distributed to prevent stratification or splitting problems caused by excessive pressure; Step Nine: After the pressing is completed, start the electric guide rail to restore the feeding plate to its original position, and push back the sealing bottom plate through the electric push rod to complete the preparation work for loading the raw materials and prepare for the next pressing.

[0017] The present invention provides a traditional Chinese medicine tablet press and its tablet pressing method, which has the following beneficial effects: 1. Through the multi-stage pressing and layer-by-layer pressurization method, the present invention ensures that each layer of powder is evenly compacted. The pre-pressing component can effectively remove the air bubbles in the raw materials, avoiding the delamination or cracking phenomenon during the tablet forming process, improving the density consistency and forming quality of the tablets, ensuring the stability and efficacy of the drugs. At the same time, the present invention evenly coats the Teflon coating on the surface of the pressing plate and the microporous pressing plate. The Teflon coating has excellent anti-adhesion properties, which can effectively prevent the powder from adhering to the working surface, avoiding the occurrence of sticking punch problems, and ensuring the efficient operation of the equipment and the stability of the tablet pressing effect.

[0018] 2. By adopting the layer-by-layer pressurization and pre-pressing design, combined with the synergistic effect of the microporous pressing plate and the limiting slide rod, the present invention effectively avoids the cracking problem caused by the one-time high pressure of the powder. The pre-pressing component can reduce the air entrainment before the medicinal material is pressed, ensuring the uniformity of the medicinal material during the forming process, thereby significantly improving the quality stability of the tablets and avoiding the problems of cracking and irregular tablet pressing.

[0019] 3. The equipment of the present invention can perform continuous automated operations, completing the integration from raw material feeding, pressing and forming to discharging and collecting. The synchronous design of the pushing plate and the L connecting plate ensures that the tablets can be quickly pushed out to the storage bin, greatly improving the discharging speed. The automatic reset function reduces the operation pause, enabling the equipment to operate quickly and efficiently in a large-scale production environment. Brief Description of the Drawings

[0020] Figure 1 is a three-dimensional view of the present invention; Figure 2 is a partial structural schematic diagram of the diversion plate of the present invention; Figure 3 is a partial structural schematic diagram of the pressing bin of the present invention; Figure 4 is Figure 5 the enlarged view at A in Figure 5 is a partial structural schematic diagram of the limiting slide rod of the present invention; Figure 6 is a partial structural schematic diagram of the sliding seat of the present invention; Figure 7 is a flowchart of the method of the present invention.

[0021] Among them, 1. Workbench; 2. Fixed support plate; 3. Motor; 4. Toothed drive belt; 5. Rotating shaft; 6. Eccentric wheel; 7. Sliding plate; 8. Guide rod; 9. First spring; 10. Pressure plate; 11. Limit slide bar; 12. Limit plate; 13. Second spring; 14. Microporous pressure plate; 15. Pressure bin; 16. Storage bin; 17. Feeding plate; 18. Electric guide rail; 19. Connecting plate; 20. Feeding plate; 21. Sealing baffle; 22. Sliding seat; 23. Electric push rod; 24. Sealing bottom plate; 25. L-shaped connecting plate; 26. Deflector; 27. Pushing plate. Detailed implementation mode

[0022] 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1: Please refer to the attached Figure 1 - Attached Figure 6 , the embodiment of the present invention provides a traditional Chinese medicine tablet press, including a workbench 1, fixed support plates 2 are fixedly connected to both the upper and lower sides inside the workbench 1, a motor 3 is fixedly connected to the outer wall of the workbench 1, a toothed drive belt 4 is arranged at the output end of the motor 3, rotating shafts 5 are arranged at both ends of the toothed drive belt 4, an eccentric wheel 6 is fixedly connected to one end of the rotating shaft 5, a sliding plate 7 is slidably connected to the inner wall of the fixed support plate 2, a pressure plate 10 is fixedly connected to the lower surface of the sliding plate 7, a pulling-back assembly is arranged on the upper surface of the sliding plate 7, and the pulling-back assembly is used to pull the fixed support plate 2 back to the initial position. A pre-pressing assembly is arranged inside the pressure plate 10, and the pre-pressing assembly is used to reduce the air bubbles between the raw materials. A pressure bin 15 is fixedly connected to the middle of the workbench 1; The pre-pressing assembly includes a limit slide bar 11, the outer wall of the limit slide bar 11 is slidably connected inside the pressure plate 10, a limit plate 12 is fixedly connected to the middle of the outer wall of the limit slide bar 11, a second spring 13 is sleeved on the upper side of the outer wall of the limit slide bar 11, a microporous pressure plate 14 is fixedly connected to the bottom of the limit slide bar 11, the outer walls of the pressure plate 10 and the microporous pressure plate 14 are both slidably connected to the inner wall of the pressure bin 15, and Teflon coatings are evenly applied to the outer walls of the pressure plate 10 and the microporous pressure plate 14.

[0024] In one embodiment, first, the traditional Chinese medicine powder raw materials are placed on the feeding plate 17, and the raw materials are sent into the pressure bin 15 above the microporous pressure plate 14 through the movement of the feeding plate 20.

[0025] Pre-pressing process: When the raw material enters the feeding bin 15, the pre-pressing assembly starts to work. The pre-pressing assembly consists of a limit slide bar 11, a second spring 13, and a microporous pressing plate 14. During the process of the pressing plate 10 pushing the sliding plate 7 downward, the microporous pressing plate 14 begins to apply a preliminary pressure to the raw material. Due to the structural design of the microporous pressing plate, air bubbles in the raw material are squeezed out in this step, ensuring the density of the powder.

[0026] Main pressing process: After the pre-pressing is completed, the motor 3 drives the toothed belt 4, driving the rotating shafts 5 at both ends to rotate synchronously, thereby driving the eccentric wheel 6 to rotate. The rotation of the eccentric wheel drives the sliding plate 7 to reciprocate up and down. The pressing plate 10 on the lower surface of the sliding plate further presses the raw material through this reciprocating motion. At this time, the guide rod 8 and the first spring 9 of the pulling-back assembly of the sliding plate ensure that the sliding plate can quickly return to the initial position after the pressing is completed.

[0027] Layer-by-layer pressing: During the pressing process, by applying pressure layer by layer through the upper and lower pressing plates, the raw material is compressed evenly and slowly, thus avoiding the phenomena of powder layering and tablet chipping caused by applying high pressure at one time in traditional tablet presses. This layer-by-layer pressing process ensures the uniformity of the density of each tablet, effectively improving the yield rate of the tablets.

[0028] Completion and reset: After the tablet pressing is completed, through the pulling force of the first spring 9 of the pulling-back assembly, the sliding plate 7 is brought back to its original position, restoring the equipment to the initial state and preparing for the next round of tablet pressing operation. At the same time, the pressed tablets are pushed out of the feeding bin 15 and enter the storage bin 16, completing the entire tablet pressing process.

[0029] The pulling-back assembly includes a guide rod 8. The bottom of the guide rod 8 is fixedly connected to the upper surface of the sliding plate 7. The outer wall of the guide rod 8 is sleeved with a first spring 9. One end of the first spring 9 is fixedly connected to the upper surface of the sliding plate 7, and the other end of the first spring 9 is fixedly connected to the outer wall of the fixed support plate 2.

[0030] Please refer to the appendix Figure 4 In one embodiment, preparation before tablet pressing: Before the traditional Chinese medicine tablet press is started, the sliding plate 7 is in the initial position, and the guide rod 8 and the first spring 9 are in a stretched state. The bottom of the guide rod 8 is fixedly connected to the upper surface of the sliding plate 7, so that the movement of the sliding plate is guided by the guide rod.

[0031] Tablet pressing process: During the operation of the tablet press, the motor 3 drives the toothed belt 4 to rotate, further driving the eccentric wheel 6, so that the sliding plate 7 slides in the inner wall of the fixed support plate 2. The up and down movement of the sliding plate drives the pressing plate 10 to press the raw material. When the sliding plate 7 moves downward during the tablet pressing process, the guide rod 8 and the first spring 9 are compressed accordingly, storing elastic force.

[0032] Pull-back reset process: When the pressing process is completed and reset is required, the motor 3 stops working, and the eccentric wheel 6 no longer pushes the sliding plate 7 to move up and down. At this time, the compressed elastic force in the first spring 9 will be released, pushing the guide rod 8 upward, and then driving the sliding plate 7 back to the initial position. Since the other end of the first spring 9 is fixedly connected to the outer wall of the fixed support plate 2, the pulling force of the first spring 9 can quickly restore the sliding plate 7 to the initial position.

[0033] Prepare for the next tablet pressing: The sliding plate 7 quickly returns to its original position under the action of the pull-back assembly, preparing for the next round of tablet pressing. The sliding plate 7 that returns to the initial position ensures the consistency and stability during the tablet pressing process, enabling each batch of tablet pressing processes to start from the standard position, thereby improving the production efficiency and quality consistency of the tablets.

[0034] A push plate 27 is slidably connected inside the pressure bin 15. One side of the outer wall of the push plate 27 is fixedly connected with an L-shaped connecting plate 25. A storage bin 16 is arranged on the inner wall of the workbench 1. The top of the workbench 1 is fixedly connected with a blanking plate 17. The middle of the workbench 1 is fixedly connected with an electric guide rail 18. The output end of the electric guide rail 18 is fixedly connected with an adapter plate 19. One side of the outer wall of the adapter plate 19 is fixedly connected with a feeding plate 20. The outer wall of the feeding plate 20 is slidably connected to the bottom of the blanking plate 17. One side of the outer wall of the feeding plate 20 is fixedly connected with a sealing baffle 21. A blanking assembly is arranged on the lower surface of the sealing baffle 21. The blanking assembly is used to facilitate the quantitatively measured raw materials to fall into the microporous pressing plate 14. A diversion plate 26 is fixedly connected to the upper surface of the storage bin 16.

[0035] Please refer to the appendix Figure 6 In one embodiment, raw material filling: Before starting the equipment, place the traditional Chinese medicine powder raw materials in the storage area of the blanking plate 17. The diversion plate 26 above the storage bin 16 ensures that the powder raw materials can smoothly enter the blanking area.

[0036] Automatic feeding: Start the electric guide rail 18 to drive the adapter plate 19 to move. One side of the adapter plate is fixedly connected with a feeding plate 20. With the movement of the electric guide rail, the feeding plate 20 accurately pushes the raw materials in the storage bin to the bottom of the blanking plate 17. The sealing baffle 21 slides to the bottom of the blanking plate 17 during the feeding process, playing a sealing role to ensure the tightness of the raw materials during transportation and prevent dust and raw material leakage.

[0037] Quantitative blanking: After the feeding plate 20 reaches the designated position, the blanking assembly located on the lower surface of the sealing baffle 21 is activated to open the blanking port, and quantitatively measure the raw materials in the feeding plate 20 into the microporous pressing plate 14. The design of this blanking assembly enables the raw materials to maintain a consistent quantity during each blanking process, ensuring sufficient raw materials and consistency during the tablet pressing process.

[0038] Tabletting process: After the raw materials enter the microporous pressing plate 14, the equipment starts the tabletting process. The sliding plate 7 drives the pressing plate 10 to press the raw materials layer by layer to ensure the density uniformity and quality of the tablets.

[0039] Discharging process: After tabletting is completed, the pushing plate 27 slides in the pressing material bin 15 driven by the L-shaped connecting plate 25, and pushes the formed tablets out from one side of the pressing material bin. The guiding plate 26 further guides the tablets into the storage bin 16 to prevent the tablets from being damaged due to sliding friction.

[0040] Reset for the next feeding: After discharging is completed, the electric guide rail 18 drives the feeding plate 20 to reset, and the sealing baffle 21 also resets to its initial position to prepare for the next round of feeding. The whole process realizes continuous automated operations of feeding, discharging, tabletting, and discharging.

[0041] The feeding component includes a sliding seat 22. The upper surface of the sliding seat 22 is fixedly connected to the lower surface of the sealing baffle 21. An electric push rod 23 is fixedly connected inside the sliding seat 22. The output end of the electric push rod 23 is fixedly connected to a sealing bottom plate 24. The outer wall of the sealing bottom plate 24 is slidably connected to the bottom of the feeding plate 20. One end of the L-shaped connecting plate 25 is fixedly connected to the lower surface of the sliding seat 22, and the L-shaped connecting plate 25 is used to drive the pushing plate 27 to move synchronously with the sliding seat 22. The guiding plate 26 is arranged on one side of the outer wall of the microporous pressing plate 14. The outer wall of the pressing material bin 15 is slidably connected inside the microporous pressing plate 14. The lower surface of the sliding seat 22 is slidably connected to the middle of the workbench 1. The outer wall of the feeding plate 20 is slidably connected to the top of the microporous pressing plate 14. The outer wall of the sealing baffle 21 is slidably connected to the bottom of the feeding plate 17. The outer wall of the eccentric wheel 6 is slidably connected to the top of the sliding plate 7.

[0042] Please refer to the appendix Figure 6 In one embodiment, raw material sealing and feeding: During the feeding process, the sliding seat 22 is fixed to the lower surface of the sealing baffle 21, and the output end of the electric push rod 23 is fixedly connected to the sealing bottom plate 24. The sliding seat 22 can slide along the middle of the workbench 1. When the electric push rod 23 is started, it pushes the sealing bottom plate 24 to open, and quantitatively releases the raw materials from the bottom of the feeding plate 20 into the microporous pressing plate 14.

[0043] Synchronous pushing process: After tabletting is completed, one end of the L-shaped connecting plate 25 is connected to the lower surface of the sliding seat 22, and the other end is connected to the pushing plate 27. The movement of the sliding seat 22 drives the L-shaped connecting plate 25 and the pushing plate 27 to slide synchronously, so that the pressed tablets can be smoothly pushed out from the pressing material bin 15 and enter the area of the guiding plate 26.

[0044] Finished product diversion and recovery: The pusher plate 27 pushes the tablets to the position of the diversion plate 26. The inclined design of the diversion plate guides the tablets into the storage bin 16, ensuring unobstructed outflow of the tablets. The diversion plate reduces the possibility of tablet adhesion to the equipment surface, further improving the efficiency of the discharging process and the yield of finished tablets.

[0045] Reset for the next operation: After the feeding and pushing operations are completed, the sliding seat 22 is reset to its initial position under the action of the electric push rod 23. At the same time, it drives the sealing bottom plate 24 to close, and the sealing baffle 21 returns to the bottom of the blanking plate 17, completing the preparation work for the entire cycle. Through this reset process, the equipment can quickly enter the next operation and achieve continuous production.

[0046] Embodiment 2: Please refer to the attached Figure 7 , based on the above embodiment, this embodiment provides a tablet pressing method for a traditional Chinese medicine tablet press, and the method includes the following steps: Step 1, place the traditional Chinese medicine powder raw material in the blanking plate 17, and start the electric guide rail 18 to drive the feeding plate 20 to convey the raw material into the blanking plate 17; Step 2, when the raw material fills the feeding plate 20, start the electric push rod 23 to push the sealing bottom plate 24, so that the feeding plate 20 drives the sealing baffle 21 to slide down to the bottom of the blanking plate and close the blanking port to ensure that the raw material does not leak; Step 3, continue to drive the feeding plate 20 to move through the electric guide rail 18, ensure that the sealing baffle 21 drives the sliding seat 22 to slide synchronously, so that the sealing bottom plate 24 opens, and the raw material automatically enters the microporous pressing plate 14; Step 4, support the microporous pressing plate 14 to contact the raw material through the pressing plate 10, start the motor 3 to drive the eccentric wheel 6 to rotate, drive the sliding plate 7 to slide on the inner wall of the fixed support plate 2, and drive the pressing plate 10 to pre-press the raw material; Step 5, as the pressing plate 10 gradually moves, the microporous pressing plate 14 applies pressure to the raw material, expels air bubbles, and uniformly presses the raw material; Step 6, through the relative movement of the upper and lower pressing plates 10 and the microporous pressing plate 14, complete the layer-by-layer pressing of the traditional Chinese medicine, ensure the density uniformity of the medicine, and prevent the phenomenon of splitting; Step 7, after the pressing is completed, use the pulling-back component to pull the sliding plate 7 back to the initial position to ensure that the equipment is ready for the next operation; Step 8, during the pressing process, use the spring 1 9 in the pulling-back component to pull the sliding plate 7 back to ensure that the raw material for each pressing can be evenly distributed and prevent problems such as stratification or splitting caused by excessive pressure; Step Nine: After the pressing is completed, start the electric guide rail 18 to restore the feeding plate 20 to its original position, and push back the sealing bottom plate 24 through the electric push rod 23 to complete the preparation work for loading the raw materials and prepare for the next pressing.

[0047] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A Chinese herbal medicine tablet press, comprising a workbench (1), characterized in that: The upper and lower sides of the workbench (1) are fixedly connected to fixed support plates (2); the outer wall of the workbench (1) is fixedly connected to a motor (3); the output end of the motor (3) is provided with a toothed transmission belt (4); both ends of the toothed transmission belt (4) are provided with rotating shafts (5); one end of the rotating shaft (5) is fixedly connected to an eccentric wheel (6); the inner wall of the fixed support plate (2) is slidably connected to a sliding plate (7); the lower surface of the sliding plate (7) is fixedly connected to a pressing plate (10); the upper surface of the sliding plate (7) is provided with a pull-back component, the pull-back component is used to pull the fixed support plate (2) back to the initial position; the pressing plate (10) is provided with a pre-pressing component, the pre-pressing component is used to reduce bubbles between raw materials; the middle of the workbench (1) is fixedly connected to a pressing bin (15); The pre-pressing assembly comprises a limit slide bar (11), the outer wall of the limit slide bar (11) is slidably connected to the inside of the pressing plate (10), the middle part of the outer wall of the limit slide bar (11) is fixedly connected to the limit plate (12), a spring 2 (13) is sleeved on the upper side of the outer wall of the limit slide bar (11), a microporous pressing plate (14) is fixedly connected to the bottom of the limit slide bar (11), the microporous pressing plate (14) and the outer wall of the pressing plate (10) are both slidably connected to the inner wall of the pressing bin (15), and the outer walls of the pressing plate (10) and the microporous pressing plate (14) are evenly coated with a Teflon coating.

2. A Chinese herbal medicine tablet press and tablet pressing method according to claim 1, characterized in that: The pull-back assembly comprises a guide rod (8), the bottom of the guide rod (8) is fixedly connected to the upper surface of the sliding plate (7), the outer wall of the guide rod (8) is sleeved with a spring 1 (9), one end of the spring 1 (9) is fixedly connected to the upper surface of the sliding plate (7), and the other end of the spring 1 (9) is fixedly connected to the outer wall of the fixed support plate (2).

3. A Chinese herbal medicine tablet press according to claim 2, characterized in that: A push plate (27) is slidably connected to the interior of the material pressing bin (15), and an L-shaped connecting plate (25) is fixedly connected to one side of the outer wall of the push plate (27). A material storage bin (16) is provided on the inner wall of the workbench (1). A material discharge plate (17) is fixedly connected to the top of the workbench (1). An electric guide rail (18) is fixedly connected to the middle of the workbench (1), and a connecting plate (19) is fixedly connected to the output end of the electric guide rail (18). A feed plate (20) is fixedly connected to one side of the outer wall of the connecting plate (19). The outer wall of the feed plate (20) is slidably connected to the bottom of the material discharge plate (17). A sealing baffle (21) is fixedly connected to one side of the outer wall of the feed plate (20), and a material discharge assembly is provided on the lower surface of the sealing baffle (21). The material discharge assembly is used to facilitate the quantitative raw materials to fall into the microporous pressure plate (14). A guide plate (26) is fixedly connected to the upper surface of the material storage bin (16).

4. A Chinese herbal medicine tablet press according to claim 3, characterized in that: The material discharge assembly comprises a sliding seat (22), the upper surface of the sliding seat (22) is fixedly connected to the lower surface of the sealing baffle (21), an electric push rod (23) is fixedly connected inside the sliding seat (22), an output end of the electric push rod (23) is fixedly connected to a sealing bottom plate (24), and an outer wall of the sealing bottom plate (24) is slidably connected to the bottom of the feeding plate (20).

5. A Chinese herbal medicine tablet press according to claim 4, characterized in that: One end of the L-shaped connecting plate (25) is fixedly connected to the lower surface of the sliding seat (22), and the L-shaped connecting plate (25) is used to drive the push plate (27) and the sliding seat (22) to move synchronously.

6. A Chinese herbal medicine tablet press according to claim 3, characterized in that: The guide plate (26) is arranged on one side of the outer wall of the microporous pressing plate (14), and the outer wall of the material pressing bin (15) is slidably connected to the inside of the microporous pressing plate (14).

7. A Chinese herbal medicine tablet press according to claim 4, characterized in that: The lower surface of the sliding seat (22) is slidably connected to the middle of the workbench (1), and the outer wall of the feeding plate (20) is slidably connected to the top of the microporous pressing plate (14).

8. A Chinese herbal medicine tablet press according to claim 3, characterized in that: The outer wall of the sealing baffle (21) is slidably connected to the bottom of the blanking plate (17), and the outer wall of the eccentric wheel (6) is slidably connected to the top of the sliding plate (7).

9. A tableting method of a Chinese herbal medicine tablet press, according to the Chinese herbal medicine tablet press according to any one of claims 1 to 8, characterized in that: The method comprises the following steps: Step 1, placing Chinese medicinal material powder raw materials in the lower material plate (17), and starting the electric guide rail (18) to drive the feeding plate (20) to transport the raw materials into the lower material plate (17); Step 2, when the feed plate (20) is filled with the raw materials, the electric push rod (23) is started to push the sealing bottom plate (24), so that the feed plate (20) drives the sealing baffle (21) to slide toward the bottom of the lower plate and close the feed opening to ensure that the raw materials will not leak; Step three, continue to drive the feeding plate (20) to move through the electric guide rail (18), ensure that the sealing baffle (21) drives the sliding seat (22) to slide synchronously, so that the sealing bottom plate (24) opens, and the raw material automatically enters the microporous pressing plate (14); Step 4: The microporous pressing plate (14) is supported by the pressing plate (10) to contact the raw material, and the motor (3) is started to drive the eccentric wheel (6) to rotate, thereby driving the sliding plate (7) to slide on the inner wall of the fixed support plate (2), and driving the pressing plate (10) to pre-press the raw material; Step 5, as the pressing plate (10) gradually moves, the microporous pressing plate (14) applies pressure to the raw material to remove air bubbles and uniformly press the raw material; Step six, through the relative movement of the upper and lower pressing plates (10) and the microporous pressing plate (14), the Chinese medicinal materials are pressed layer by layer to ensure the uniformity of the density of the medicine and prevent the cracking phenomenon; Step 7: After the pressing is completed, use the pull-back assembly to pull the sliding plate (7) back to the initial position to ensure that the equipment is ready for the next round of operation.

10. The tableting method of a Chinese herbal medicine tableting machine according to claim 9, characterized in that: The method further comprises the following steps: Step 8: During the pressing process, use the spring 1 (9) in the pull-back assembly to pull the sliding plate (7) back to ensure that the raw materials pressed each time are evenly distributed to prevent stratification or splitting problems caused by excessive pressure; Step 9: After the pressing is completed, the electric guide rail (18) is started to restore the feeding plate (20) to its original position, and the sealing bottom plate (24) is pushed back by the electric push rod (23), completing the preparation work for the raw material loading and preparing for the next pressing.

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