Tablet press for tablet production

The automatic separation of the mold and ejection of the tablets via a gear and rack mechanism driven by a hydraulic rod and a motor solves the problem of low efficiency in traditional tablet production, realizing automated production and improving production efficiency and quality.

CN224158959UActive Publication Date: 2026-04-24乐普药业科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
乐普药业科技有限公司
Filing Date
2025-05-14
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Traditional tablet production relies on manual operation, resulting in low production efficiency, high labor intensity, and impacting tablet quality and production schedule.

Method used

The system employs a hydraulic rod to drive mold separation and a motor-driven gear and rack mechanism to automatically eject tablets. Combined with a detachable fixing component design, it achieves automatic mold separation and automatic tablet ejection.

Benefits of technology

It improves the automation and efficiency of tablet production, reduces the labor intensity of operators, and ensures the stability and quality of tablet production.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224158959U_ABST
    Figure CN224158959U_ABST
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Abstract

The utility model relates to the technical field of tablet presses, and discloses a tablet press for tablet production, which comprises a fixing frame, the side wall of the fixing frame is fixedly connected with a support frame, the inside of the support frame is fixedly connected with a hydraulic rod, the output end of the hydraulic rod is fixedly connected with a fixing plate, and the side wall of the fixing plate is provided with a fixing assembly. A lower mold is arranged in the fixing frame, and a jacking assembly is arranged in the fixing frame; the jacking assembly comprises a supporting column, the supporting column is fixedly connected to the interior of the fixing frame, and a connecting column is slidably connected to the interior of the supporting column. According to the utility model, the motor is started to enable the rotating shaft to rotate in the connecting plate to drive the gear, and the rack drives the connecting column to slide in the supporting column by virtue of meshing of the gear and the rack, so that the guide rod is lifted to eject tablets in the lower die. The traditional mode of manually separating the mold and ejecting tablets is solved, and the automation degree and efficiency of tablet production are improved.
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Description

Technical Field

[0001] This utility model relates to the field of tablet press technology, and in particular to a tablet press for pharmaceutical tablet production. Background Technology

[0002] In the pharmaceutical manufacturing industry, tablet production is a crucial step. An efficient, stable, and highly automated tableting process is essential for ensuring drug quality, improving production efficiency, and reducing production costs. With the continuous growth of demand in the pharmaceutical market, the performance requirements for tablet manufacturing equipment are also increasing.

[0003] Currently, in the pharmaceutical tablet manufacturing industry, some traditional tablet presses employ relatively simple mechanical structures. Their working principle typically involves a crank-connecting rod mechanism driving a punch to move up and down, thus compressing the material. After the tablets are formed, manual operation is required to complete processes such as mold separation and tablet ejection.

[0004] Because it relies entirely on manual operation, not only is the production efficiency low, but the labor intensity of the operators is also extremely high, which can easily lead to fatigue and operational errors, thereby affecting the production quality of the tablets and the overall production progress. Therefore, a tablet press for tablet production is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a tablet press for tablet production, which aims to improve the problem of traditional manual separation of molds and tablet ejection in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A tablet press for producing pharmaceutical tablets includes a fixed frame, a support frame fixedly connected to the side wall of the fixed frame, a hydraulic rod fixedly connected inside the support frame, a fixed plate fixedly connected to the output end of the hydraulic rod, a fixing component provided on the side wall of the fixed plate, a lower mold provided inside the fixed frame, and a lifting component provided inside the fixed frame.

[0008] The lifting assembly includes a support column, which is fixedly connected inside the fixed frame. A connecting column is slidably connected inside the support column. A guide rod is fixedly connected to the side wall of the connecting column. The guide rod is slidably connected inside the lower mold. A rack is fixedly connected to the side wall of the connecting column. A connecting plate is fixedly connected to the side wall of the support column. A rotating shaft is rotatably connected inside the connecting plate. A gear is fixedly connected to the side wall of the rotating shaft. A motor is provided on the side wall of the connecting plate.

[0009] As a further description of the above technical solution:

[0010] The fixing component includes an upper mold, the sidewall of which is fixedly connected to the sidewall of the fixing plate;

[0011] As a further description of the above technical solution:

[0012] A fixing block is fixedly connected to the side wall of the upper mold, and a connecting frame is fixedly connected to the side wall of the fixing plate.

[0013] As a further description of the above technical solution:

[0014] A sliding rod is fixedly connected inside the connecting frame, and a locking post is slidably connected to the side wall of the sliding rod;

[0015] As a further description of the above technical solution:

[0016] The side wall of the card column is slidably connected to the inside of the fixing block and the connecting frame, and the side wall of the slide rod is sleeved with a spring.

[0017] As a further description of the above technical solution:

[0018] One end of the spring is fixedly connected to the inside of the connecting frame, and the other end of the spring is fixedly connected to the side wall of the card post;

[0019] As a further description of the above technical solution:

[0020] The side wall of the locking pin is threaded with a nut, and the side wall of the nut is in contact with the fixing block;

[0021] As a further description of the above technical solution:

[0022] The rack meshes with the gear, and the motor output is connected to the rotating shaft.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the motor is started, the rotating shaft rotates in the connecting plate, drives the gear, and the meshing of the gear and the rack causes the rack to drive the connecting column to slide in the support column, raising the guide rod to eject the tablets in the lower mold. This solves the problem of the traditional manual separation of the mold and ejection of the tablets. The above technical solution improves the automation level and production efficiency of tablet production.

[0025] 2. In this utility model, by turning the nut to release the fixation of the locking post, pulling the locking post to make it slide within the connecting frame, and squeezing the spring on the side wall of the slide rod, the locking post slides into the connecting frame, releasing the fixation of the fixing block, and the upper mold can be removed for cleaning. This solves the problem of inconvenient disassembly during maintenance and cleaning when the mold is fixed by bolts. The above technical solution improves the convenience of mold maintenance and cleaning. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a tablet press for tablet production according to the present invention;

[0027] Figure 2 This is a schematic diagram of the internal structure of the fixing frame of a tablet press for tablet production according to the present invention;

[0028] Figure 3 This is a schematic diagram of the internal structure of the connecting frame of a tablet press for tablet production proposed in this utility model.

[0029] Legend:

[0030] 1. Fixed frame; 2. Support frame; 3. Hydraulic rod; 4. Fixed plate; 5. Lower mold; 6. Support column; 7. Connecting column; 8. Guide rod; 9. Rack; 10. Connecting plate; 11. Rotating shaft; 12. Gear; 13. Motor; 14. Upper mold; 15. Fixed block; 16. Connecting frame; 17. Slide rod; 18. Locking column; 19. Spring; 20. Nut. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 - Figure 3 This utility model provides an embodiment of a tablet press for tablet production, comprising a fixed frame 1, a support frame 2 fixedly connected to the side wall of the fixed frame 1, a hydraulic rod 3 fixedly connected inside the support frame 2, a fixed plate 4 fixedly connected to the output end of the hydraulic rod 3, a fixed assembly provided on the side wall of the fixed plate 4, a lower mold 5 provided inside the fixed frame 1, and a lifting assembly provided inside the fixed frame 1; the lifting assembly includes a support column 6, which is fixedly connected inside the fixed frame 1, a connecting column 7 slidably connected inside the support column 6, a guide rod 8 fixedly connected to the side wall of the connecting column 7, the effect of raising the guide rod 8 is to push out the tablets inside the lower mold 5, the guide rod 8 slidably connected inside the lower mold 5, a rack 9 fixedly connected to the side wall of the connecting column 7, a connecting plate 10 fixedly connected to the side wall of the support column 6, a rotating shaft 11 rotatably connected inside the connecting plate 10, a gear 12 fixedly connected to the side wall of the rotating shaft 11, a motor 13 provided on the side wall of the connecting plate 10, the rack 9 meshing with the gear 12, and the output end of the motor 13 connected to the rotating shaft 11;

[0033] After the tablets are pressed, hydraulic rod 3 is activated. Hydraulic rod 3 provides upward thrust, causing fixed plate 4 to move upward. This allows the upper mold 14 and lower mold 5 to separate smoothly, preparing for tablet removal. Then, motor 13 is activated, providing power to rotating shaft 11, causing it to rotate inside connecting plate 10. The rotation of shaft 11 drives gear 12, which meshes with rack 9. When gear 12 rotates, it drives rack 9 to move, utilizing the meshing transmission principle. Rack 9 is connected to connecting column 7, so it causes connecting column 7 to slide inside support column 6. Connecting column 7 is connected to guide rod 8, ultimately raising guide rod 8. Raising guide rod 8 ejects the tablets from the lower mold 5, facilitating tablet collection.

[0034] Reference Figure 1 - Figure 3 The fixing assembly includes an upper mold 14, the side wall of which is fixedly connected to the side wall of a fixing plate 4. A fixing block 15 is fixedly connected to the side wall of the upper mold 14. A connecting frame 16 is fixedly connected to the side wall of the fixing plate 4. A slide rod 17 is fixedly connected inside the connecting frame 16. A locking post 18 is slidably connected to the side wall of the slide rod 17. The side wall of the locking post 18 is slidably connected to the fixing block 15 and the connecting frame 16. A spring 19 is sleeved on the side wall of the slide rod 17. One end of the spring 19 is fixedly connected to the inside of the connecting frame 16, and the other end of the spring 19 is fixedly connected to the side wall of the locking post 18. A nut 20 is threadedly connected to the side wall of the locking post 18. The nut 20 is used to fix the locking post 18. The side wall of the nut 20 fits against the fixing block 15.

[0035] When cleaning of the upper mold 14 is required, turn the nut 20. The nut 20 serves to secure the retaining post 18; turning the nut 20 releases its fixation on the retaining post 18. Then, pull the retaining post 18, allowing it to slide inside the connecting frame 16. During this sliding process, as the retaining post 18 slides against the side wall of the slide rod 17, it compresses the spring 19. The spring 19 undergoes elastic deformation under compression, storing energy. Once the retaining post 18 is inside the connecting frame 16, it releases its fixation on the fixing block 15. The fixing block 15 secures the upper mold 14; releasing this fixation allows the upper mold 14 to be removed for cleaning, ensuring its cleanliness and improving the quality of subsequent tablet pressing.

[0036] Working principle: After the tablets are pressed, the hydraulic rod 3 is activated to move the fixing plate 4 upward, so that the upper mold 14 and the lower mold 5 are separated. Then the motor 13 is activated to make the rotating shaft 11 start to rotate inside the connecting plate 10, which drives the gear 12 to rotate. The gear 12 is meshed with the rack 9, so the rack 9 drives the connecting column 7 to slide inside the support column 6, raising the guide rod 8 to push the tablets out of the lower mold 5.

[0037] When it is necessary to clean the upper mold 14, twist the nut 20 to release it from the fixation of the locking post 18, and then pull the locking post 18 to slide it inside the connecting frame 16. As the locking post 18 slides on the side wall of the slide rod 17, it squeezes the spring 19. The locking post 18 enters the connecting frame 16 and releases the fixation of the fixing block 15. At this time, the upper mold 14 can be removed for cleaning.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tablet press for producing pharmaceutical tablets, comprising a fixed frame (1), characterized in that: The fixed frame (1) is fixedly connected to a support frame (2) on its side wall. The support frame (2) is fixedly connected to a hydraulic rod (3) inside. The output end of the hydraulic rod (3) is fixedly connected to a fixed plate (4). The fixed plate (4) is provided with a fixing component on its side wall. The fixed frame (1) is provided with a lower mold (5) inside. The fixed frame (1) is provided with a lifting component inside. The lifting assembly includes a support column (6), which is fixedly connected inside the fixed frame (1). A connecting column (7) is slidably connected inside the support column (6). A guide rod (8) is fixedly connected to the side wall of the connecting column (7). The guide rod (8) is slidably connected inside the lower mold (5). A rack (9) is fixedly connected to the side wall of the connecting column (7). A connecting plate (10) is fixedly connected to the side wall of the support column (6). A rotating shaft (11) is rotatably connected inside the connecting plate (10). A gear (12) is fixedly connected to the side wall of the rotating shaft (11). A motor (13) is provided on the side wall of the connecting plate (10).

2. A tablet compressor for producing pharmaceutical tablets according to claim 1, characterized in that: The fixing component includes an upper mold (14), the sidewall of which is fixedly connected to the sidewall of the fixing plate (4).

3. A tablet compressor for tablet production according to claim 2, characterized in that: The upper mold (14) is fixedly connected to a fixing block (15) on its side wall, and the fixing plate (4) is fixedly connected to a connecting frame (16) on its side wall.

4. A tablet compressor for tablet production according to claim 3, characterized in that: The connecting frame (16) is fixedly connected to a slide rod (17), and the slide rod (17) is slidably connected to a locking post (18) on its side wall.

5. A tablet compressor for tablet production according to claim 4, characterized in that: The side wall of the locking post (18) is slidably connected to the inside of the fixing block (15) and the connecting frame (16), and the side wall of the sliding rod (17) is fitted with a spring (19).

6. A tablet compressor for tablet production according to claim 5, characterized in that: One end of the spring (19) is fixedly connected inside the connecting frame (16), and the other end of the spring (19) is fixedly connected to the side wall of the card post (18).

7. A tablet compressor for tablet production according to claim 6, characterized in that: The side wall of the locking post (18) is threaded with a nut (20), and the side wall of the nut (20) is in contact with the fixing block (15).

8. A tablet compressor for tablet production according to claim 1, characterized in that: The rack (9) meshes with the gear (12), and the output end of the motor (13) is connected to the rotating shaft (11).