Efficient pharmaceutical tablet press mold

Abstract

The utility model relates to the technical field of pharmaceutical tabletting, in particular to an efficient pharmaceutical tabletting machine die which comprises a support and an upper punch arranged in the support, a collecting frame is fixedly connected to the side wall of an inner cavity of the support, a scraper is arranged above the collecting frame, and a spray head is arranged on one side of the upper punch. Residual medicine powder at the bottom of the upper punch is cleaned through air injection of the spray head, interference of the residual powder on the material quantity during secondary tabletting is effectively avoided, the conditions of weight difference and component proportion change of tablets are prevented, the accuracy of the medicine dosage and the medicine effect are guaranteed, frequent manual cleaning of the mold is not needed, and the production efficiency is improved. Compared with the prior art, residual powder is reduced, friction force between the punch and the die is increased, the risk that movement of the punch is blocked or even the punch is blocked is reduced, production efficiency is improved, meanwhile, the service life of the die is prolonged, blown medicine powder is scraped into the collecting frame through the scraper, recycling of the residual medicine powder is achieved, and waste of medicine is reduced.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical tableting technology, specifically to a high-efficiency pharmaceutical tableting machine mold. Background Technology

[0002] Pharmaceutical tableting machines are key equipment used in the pharmaceutical process to compress drug powders or granules into tablets of specific shapes and specifications. They use mechanical pressure to compact the material filled in a mold. The mold usually consists of an upper punch, a lower punch, and a middle mold. The material is squeezed and shaped within the space formed by the upper and lower punches and the middle mold. However, during the tableting process, drug powder may remain at the bottom of the upper punch of the pharmaceutical tableting machine mold. This not only interferes with the amount of material during secondary tableting, causing differences in tablet weight and changes in component ratio, but also contaminates the drug, affects its efficacy, and causes surface defects in the tablets, reducing their appearance quality. Moreover, the residual powder increases the friction between the punch and the mold, causing the punch movement to be obstructed or even jammed. This not only requires frequent mold cleaning, affecting work efficiency, but also shortens the mold's service life.

[0003] In view of this, we propose a high-efficiency pharmaceutical tablet press mold. Utility Model Content

[0004] To address the aforementioned shortcomings of existing technologies, this utility model provides a high-efficiency pharmaceutical tableting machine mold that effectively solves the problem that drug powder remains at the bottom of the upper punch during the tableting process, affecting secondary tableting, causing differences in drug weight and proportions, and affecting efficacy. Furthermore, the residual powder increases the friction between the punch and the mold, affecting work efficiency and shortening the mold's service life.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model provides a high-efficiency pharmaceutical tablet press mold, including a support and an upper punch disposed inside the support;

[0007] A collection frame is fixedly connected to the inner wall of the bracket, and a scraper is provided above the collection frame;

[0008] The upper punch has a nozzle on one side, and a drive assembly connected to the scraper is located on one side of the nozzle. The drive assembly is also located on the upper punch.

[0009] Furthermore, the drive assembly includes a connecting pipe fixedly connected to one side of the nozzle, and a foldable capsule fixedly connected to the end of the connecting pipe away from the nozzle, with the top of the foldable capsule fixedly connected to the top of the inner cavity of the bracket.

[0010] Furthermore, the surface of the foldable bladder is provided with through grooves;

[0011] An electric cylinder is fixedly connected to the top of the bracket. The output end of the electric cylinder moves through the through groove and is fixedly connected to the upper fixing plate. The bottom of the upper fixing plate is fixedly connected to the top of the upper punch.

[0012] Furthermore, two sets of connecting rods are rotatably connected to the bottom of the upper fixed plate, and a fixed frame is rotatably connected to the end of the two sets of connecting rods away from the upper fixed plate.

[0013] Furthermore, slide bars are fixedly connected to both sides of the fixed frame, and guide rails are slidably connected to the surfaces of both sets of slide bars. The bottom of the guide rails is fixedly connected to the bottom of the inner cavity of the bracket.

[0014] Furthermore, one side of the fixing frame is fixedly connected to one side of the scraper, and the bottom of the scraper is attached to the bottom of the inner cavity of the bracket.

[0015] The technical solution provided by this utility model has the following advantages compared with the known public technology:

[0016] This invention uses a nozzle to spray air to clean residual drug powder from the bottom of the upper punch, effectively preventing residual powder from interfering with the material quantity during secondary tableting, preventing weight differences and changes in component ratios in the tablets, ensuring the accuracy of drug dosage and efficacy, and also preventing drug contamination, improving the appearance quality of the tablets. It eliminates the need for frequent manual mold cleaning, reduces residual powder, increases friction between the punch and mold, lowers the risk of punch movement obstruction or even jamming, improves production efficiency, and extends the service life of the mold. Furthermore, a scraper scrapes the blown-off drug powder into a collection frame, enabling the recycling of residual drug powder and reducing drug waste. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a partial cross-sectional structural diagram of the bracket of this utility model;

[0019] Figure 2 This is a partial structural diagram of the upper fixing plate, the foldable bladder, and related components of this utility model;

[0020] Figure 3 This is a partial structural diagram of the electric cylinder, foldable bladder, and related components of this utility model.

[0021] The labels in the diagram represent: 1. Support; 2. Electric cylinder; 3. Upper punch; 4. Connecting rod; 5. Connecting pipe; 6. Nozzle; 7. Collection frame; 8. Scraper; 9. Fixing frame; 10. Sliding bar; 11. Guide rail; 12. Upper fixing plate; 13. Foldable bladder; 14. Through groove. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0023] The present invention will be further described below with reference to the embodiments.

[0024] A high-efficiency pharmaceutical tablet press mold includes a support 1 and an upper punch 3 disposed inside the support 1. A collection frame 7 is fixedly connected to the inner wall of the support 1, and a scraper 8 is disposed above the collection frame 7. A nozzle 6 is disposed on one side of the upper punch 3, and a drive assembly connected to the scraper 8 is disposed on one side of the nozzle 6. The drive assembly is also disposed on the upper punch 3.

[0025] Specifically, the drive assembly on the upper punch 3 can drive the upper punch 3 to move downwards. In conjunction with other related tableting structures in the bracket 1, the tableting operation of the medicine can be completed. After the tableting is completed, the upper punch 3 moves to the corresponding height, and the drive assembly can make the nozzle 6 spray air at the bottom of the upper punch 3, thereby blowing down the medicine powder at the bottom of the upper punch 3. At the same time, the drive assembly can also drive the scraper 8 to move, scraping the blown-down medicine powder into the collection frame 7 to avoid waste of medicine.

[0026] Specifically, the drive assembly includes a connecting pipe 5 fixedly connected to one side of the nozzle 6, a foldable capsule 13 fixedly connected to the end of the connecting pipe 5 away from the nozzle 6, the top of the foldable capsule 13 fixedly connected to the top of the inner cavity of the bracket 1, a through groove 14 opened on the surface of the foldable capsule 13, an electric cylinder 2 fixedly connected to the top of the bracket 1, the output end of the electric cylinder 2 moving through the through groove 14 and fixedly connected to an upper fixing plate 12, the bottom of the upper fixing plate 12 fixedly connected to the top of the upper punch 3, two sets of connecting rods rotatably connected to the bottom of the upper fixing plate 12, a fixing frame 9 rotatably connected to the end of the two sets of connecting rods 4 away from the upper fixing plate 12, slide bars 10 fixedly connected to both sides of the fixing frame 9, guide rails 11 slidably connected to the surface of the two sets of slide bars 10, the bottom of the guide rails 11 fixedly connected to the bottom of the inner cavity of the bracket 1, one side of the fixing frame 9 fixedly connected to one side of the scraper 8, and the bottom of the scraper 8 adhering to the bottom of the inner cavity of the bracket 1;

[0027] Specifically, the output of the electric cylinder 2 on the bracket 1 can drive the upper punch 3 at the bottom of the upper fixed plate 12 to move. When the upper fixed plate 12 drives the upper punch 3 to move upward to the corresponding height, the upper fixed plate 12 can compress the foldable bag 13 and deliver the internal air to the nozzle 6 through the connecting pipe 5. The nozzle 6 then cleans the powder at the bottom of the upper punch 3. As the upper punch 3 continues to move upward with the upper fixed plate 12, it can simultaneously drive the nozzle 6, which is connected to the foldable bag 13 through the connecting pipe 5, to move upward, so that the nozzle 6 can continuously spray air at the bottom of the upper punch 3.

[0028] Furthermore, when the upper punch 3 moves upward, the fixed frame 9 is limited and guided by the slide bar 10 and the guide rail 11. The connecting rod 4 can drive the fixed frame 9 to move towards the collection frame 7, and drive the scraper 8 to scrape the blown-down drug powder and the powder remaining on the worktable into the collection frame 7. Conversely, when the electric cylinder 2 drives the upper punch 3 to move downward to compress the drug, the connecting rod 4 and other components can drive the scraper 8 and the fixed frame 9 to reset, which will not affect the normal operation of the upper punch 3.

[0029] The working principle of this utility model is as follows: When the mold of the high-efficiency pharmaceutical tablet press is working, the electric cylinder 2 is started, and its output end drives the upper fixed plate 12 to move. The upper fixed plate 12 is fixedly connected to the upper punch 3, which in turn drives the upper punch 3 to move up and down. When tableting is performed, the upper punch 3 moves down under the drive of the electric cylinder 2 and cooperates with other related tableting structures in the support 1 to compress the drug powder or granules into tablets.

[0030] After tableting is completed, the electric cylinder 2 drives the upper punch 3 to move upward. As the upper punch 3 rises, the upper fixing plate 12 also rises synchronously. When it rises to a certain height, the upper fixing plate 12 will compress the foldable capsule 13. The top of the foldable capsule 13 is fixed to the top of the inner cavity of the bracket 1. A through groove 14 is opened on its surface. The output end of the electric cylinder 2 passes through the through groove 14 and is connected to the upper fixing plate 12. After the foldable capsule 13 is compressed, the internal air is transported to the nozzle 6 through the connecting pipe 5. The nozzle 6 is fixed to one end of the connecting pipe 5 and is located on one side of the upper punch 3. At this time, the nozzle 6 sprays air at the bottom of the upper punch 3 to blow off the residual drug powder at the bottom of the upper punch 3.

[0031] During the continuous upward movement of the upper punch 3, two sets of connecting rods 4 are rotatably connected to the bottom of the upper fixed plate 12, and the other end of the connecting rods 4 is rotatably connected to the fixed frame 9. The slide bars 10 on both sides of the fixed frame 9 slide on the guide rail 11. This structure allows the upward movement of the upper punch 3 to be transmitted to the fixed frame 9 through the connecting rods 4. Under the limiting and guiding action of the slide bars 10 and the guide rail 11, the fixed frame 9 moves towards the collection frame 7. One side of the fixed frame 9 is fixedly connected to the scraper 8, and the bottom of the scraper 8 is attached to the bottom of the inner cavity of the bracket 1. Therefore, when the fixed frame 9 moves, it will drive the scraper 8 to move, scraping the blown-down drug powder and the powder remaining on the worktable into the collection frame 7, thereby cleaning and collecting the residual drug powder.

[0032] When the electric cylinder 2 drives the upper punch 3 to move down for the next tablet pressing, the downward movement of the upper punch 3 drives the scraper 8 and the fixing frame 9 to reset through the connecting rod 4 and other components, returning to the initial position. This will not interfere with the normal tablet pressing movement of the upper punch 3. This cycle continues to complete the continuous tablet pressing and cleaning work.

[0033] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A high efficiency pharmaceutical tablet press die characterized in that, include: A bracket (1), and an upper punch (3) disposed inside the bracket (1); A collection frame (7) is fixedly connected to the inner wall of the bracket (1), and a scraper (8) is provided above the collection frame (7); Among them, a nozzle (6) is provided on one side of the upper punch (3), and a drive component connected to the scraper (8) is provided on one side of the nozzle (6), and the drive component is also provided on the upper punch (3).

2. The high efficiency pharmaceutical tablet press die of claim 1, wherein, The drive assembly includes a connecting pipe (5) fixedly connected to one side of the nozzle (6), and a foldable capsule (13) fixedly connected to the end of the connecting pipe (5) away from the nozzle (6), with the top of the foldable capsule (13) fixedly connected to the top of the inner cavity of the bracket (1).

3. The high efficiency pharmaceutical tablet press die of claim 2, wherein, The surface of the foldable bladder (13) is provided with a through groove (14); The top of the bracket (1) is fixedly connected to an electric cylinder (2). The output end of the electric cylinder (2) moves through the through groove (14) and is fixedly connected to an upper fixing plate (12). The bottom of the upper fixing plate (12) is fixedly connected to the top of the upper punch (3).

4. The high-efficiency pharmaceutical tableting machine mold according to claim 3, characterized in that, Two sets of connecting rods (4) are rotatably connected to the bottom of the upper fixed plate (12), and a fixed frame (9) is rotatably connected to the end of the two sets of connecting rods (4) away from the upper fixed plate (12).

5. A high efficiency pharmaceutical tablet press die as claimed in claim 4 wherein, Slides (10) are fixedly connected to both sides of the fixed frame (9), and guide rails (11) are slidably connected to the surfaces of the two sets of slides (10). The bottom of the guide rails (11) is fixedly connected to the bottom of the inner cavity of the bracket (1).

6. A high efficiency pharmaceutical tablet press die as claimed in claim 5 wherein, One side of the fixing frame (9) is fixedly connected to one side of the scraper (8), and the bottom of the scraper (8) is attached to the bottom of the inner cavity of the bracket (1).

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