Tablet press

By designing a tablet press with motor-driven rotating shaft, rotating frame and upper and lower pressing rollers, the problem of low automation of the existing tablet press is solved, and automatic tableting of the powder is realized, which improves production efficiency and ensures the accuracy of tableting. and consistency.

CN222512036UActive Publication Date: 2025-02-21LIAONING YAOLIAN PHARMA
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Patent Information

Application Number
CN202420951025.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-01
Publication Date
2025-02-21
Estimated Expiration
2034-05-01

AI Technical Summary

Technical Problem

The existing tablet press has a low degree of automation and requires more manual operations, resulting in low production efficiency.

Method used

A tablet press including a motor-driven rotating shaft, a rotating frame and an upper and lower pressing roller is designed. Through the synchronous rotation of the rotating frame and the rotating disk and the coordinated working of the upper and lower pressing rollers, the automatic tablet pressing process of the medicine powder is realized.

Benefits of technology

Automatic tableting of the powder is realized, production efficiency is improved, labor costs are reduced, and the accuracy and consistency of tableting is ensured through the design of the guide ring and the projection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222512036U_ABST
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Abstract

The utility model relates to the field of tablet presses, and discloses a tablet press which comprises a shell, the shell is of a cylindrical shell structure, the bottom of the inner side wall of the shell is fixedly connected with a bottom plate, the bottom of the bottom plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a rotating shaft, and the rotating shaft penetrates through the bottom plate and the upper portion of the shell. The upper part of the rotating shaft is rotationally connected with the center of the upper part of the shell; the outer wall of the rotating shaft is fixedly sleeved with a rotating disc and a rotating frame, the rotating frame is located below the rotating disc, the rotating frame and the rotating disc are both circular, the top of the bottom plate is fixedly connected with a lower fixing plate, the lower fixing plate is circular, and the top of the outer side wall of the lower fixing plate is fixedly connected with a lower guide ring.
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Description

Technical Field

[0001] The utility model relates to the field of tablet pressing machines, in particular to a tablet pressing machine. Background Art

[0002] In the pharmaceutical industry, tablets are an important drug dosage form with the advantages of accurate dosage, convenient administration, easy carrying and storage. As people's demand for drugs continues to increase, the requirements for tablet production efficiency and quality are also getting higher and higher.

[0003] However, current tablet press technology has some limitations, often with a low degree of automation and requiring more manual operation, resulting in low production efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a tablet press.

[0005] The technical solution adopted by this utility model:

[0006] The top of the bottom plate is fixedly connected with a lower fixing plate, the lower fixing plate is in the shape of a circular ring, the top of the outer wall of the lower fixing plate is fixedly connected with a lower guide ring, the inner top wall of the shell is fixedly connected with an upper fixing plate, the upper fixing plate is in the shape of a ring, the bottom of the outer wall of the upper fixing plate is fixedly connected with an upper guide ring, the upper fixing plate is consistent with the lower fixing plate in size, the center of the circle of the upper fixing plate and the lower fixing plate is concentric with the central axis of the shell; the outer wall of the rotating frame and the rotating disk are both slidably matched with the inner wall of the shell The top of the upper pressing roller is provided with a plurality of forming holes evenly distributed at equal angles, and the plurality of forming holes are distributed in a circle with the center of the rotating frame as the center. The bottom of the forming hole is slidably connected with a lower pressing roller, and the bottom of the outer wall of the lower pressing roller is provided with a sliding groove one surrounding the lower pressing roller, the sliding groove one is located at the outer side of the lower guide ring, and the lower guide ring is fitted in the sliding groove one, and the lower guide ring is slidably matched with the lower guide ring. The top of the forming hole is provided with an upper pressing roller, and the top of the upper pressing roller passes through the rotating disk, and the upper pressing roller is slidably matched with the rotating disk and the forming hole. The top of the outer wall of the upper pressing roller is provided with a sliding groove two surrounding the upper pressing roller, the sliding groove two is located at the outer side of the upper guide ring, the upper guide ring is fitted with the inner wall of the sliding groove two, and the sliding groove two is slidably matched with the upper guide ring, and the front sides of the upper guide ring and the lower guide ring are respectively provided with an upper protrusion and a lower protrusion, and the upper protrusion and the lower protrusion are both convex upward and have arc-shaped inclined ends, and the length of the upper protrusion is greater than the length of the lower protrusion.

[0007] The top of the rotating frame is provided with a connecting disk, which is sleeved on the rotating shaft, and the connecting disk and the rotating shaft are loosely matched, and the connecting disk is rotatably connected to the rotating frame. The front side of the outer wall of the connecting disk is provided with baffle one and baffle two, and baffle two is located on the left side of baffle one, and the front end of baffle one is fixedly connected to the inner wall of the shell, and the rear end of baffle one is fixedly connected to the side wall of the connecting disk, and baffle two is fixedly connected to the side wall of the connecting disk; baffle one and baffle two are both slidingly fitted with the rotating frame, baffle one is located on the right side above the lower protrusion, and baffle one is located below the upper protrusion, and a discharge port is provided on the front side wall of the shell, and the discharge port is located between the rotating frame and the rotating disk, and the bottom of the discharge port is flush with the top of the rotating frame, and a discharge trough plate is provided on the front side of the bottom of the discharge port, and the discharge trough plate is fixedly connected to the front side wall of the shell, and the front end of baffle two is fixedly connected to the right side wall of the discharge trough plate.

[0008] A powder inlet pipe is provided on the right side of the discharge port, the lower end of the powder inlet pipe is fixedly connected to the front side wall of the shell, the powder inlet pipe is communicated with the interior of the shell, the lower end of the powder inlet pipe is located between the rotating disk and the rotating frame, the lower end of the powder inlet pipe is located above between baffle one and baffle two, the upper end of the powder inlet pipe is fixedly connected to a powder inlet hopper, and a flow control valve is arranged in the powder inlet pipe.

[0009] Beneficial effects of the utility model:

[0010] The utility model realizes the automatic tableting process of medicine powder through motor drive, does not need too much manual operation, improves production efficiency, reduces labor cost, ensures the continuity and stability of the tableting process through the synchronous rotation of the rotating frame and the rotating disk, and the coordinated work of the upper pressing roller and the lower pressing roller, and at the same time, utilizes the upper guide ring and the lower guide ring to guide the movement of the upper pressing roller and the lower pressing roller, thereby ensuring the accuracy and consistency of tableting, and effectively intercepts the medicine powder through the arrangement of the baffle plate one and the baffle plate two, so that the medicine powder can enter the forming hole in an orderly manner, and at the same time ensures that the pressed tablets can be smoothly discharged from the discharge port and the discharge slot plate, thereby avoiding the blockage and accumulation of the tablets. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a schematic cross-sectional view of the housing of the utility model;

[0013] Figure 3 It is a schematic cross-sectional view of part of the structure of the utility model;

[0014] Figure 4 It is a cross-sectional view of the utility model;

[0015] Figure 5 This is a schematic diagram of the structure of the utility model without the outer shell;

[0016] Figure 6 yes Figure 1 Internal structure diagram Figure 1 ;

[0017] Figure 7 yes Figure 1 Internal structure diagram Figure 2 .

[0018] In all the drawings, the specific reference numerals are: 1. outer shell; 2. bottom plate; 3. motor; 4. rotating shaft; 5. rotating disk; 6. rotating frame; 7. lower fixed plate; 8. lower guide ring; 9. upper fixed plate; 10. upper guide ring; 11. forming hole; 12. lower pressure roller; 13. slide chute 1; 14. upper pressure roller; 15. slide chute 2; 16. upper raised portion; 17. lower raised portion; 18. connecting plate; 19. baffle 1; 20. discharge chute plate; 21. baffle 2; 22. powder inlet pipe; 23. powder inlet hopper; 24. flow control valve; 25. discharge port. DETAILED DESCRIPTION

[0019] like Figure 1-7As shown: a tablet press comprises a shell 1, the shell 1 is a cylindrical shell structure, the bottom of the inner side wall of the shell 1 is fixedly connected to a bottom plate 2, the bottom of the bottom plate 2 is fixedly connected to a motor 3, the output shaft of the motor 3 is fixedly connected to a rotating shaft 4, the rotating shaft 4 passes through the bottom plate 2 and the upper part of the shell 1, the rotating shaft 4 is rotatably connected to the bottom plate 2, and the upper part of the rotating shaft 4 is rotatably connected to the upper center of the shell 1; the outer wall of the rotating shaft 4 is fixedly sleeved with a rotating disk 5 and a rotating frame 6, the rotating frame 6 is located below the rotating disk 5, the rotating frame 6 and the rotating disk 5 are both circular, the top of the bottom plate 2 The lower fixing plate 7 is fixedly connected to the upper part of the housing 1, and the lower fixing plate 7 is in a circular shape. The top of the outer wall of the lower fixing plate 7 is fixedly connected to a lower guide ring 8. The inner top wall of the housing 1 is fixedly connected to an upper fixing plate 9, and the upper fixing plate 9 is in a circular shape. The bottom of the outer wall of the upper fixing plate 9 is fixedly connected to an upper guide ring 10. The upper fixing plate 9 is consistent with the lower fixing plate 7 in size, and the center of the circle of the upper fixing plate 9 and the lower fixing plate 7 is concentrically arranged with the central axis of the housing 1; the outer walls of the rotating frame 6 and the rotating disk 5 are slidably matched with the inner wall of the housing 1, and the top of the rotating frame 6 is provided with some There are a plurality of forming holes 11 evenly distributed at equal angles, and a plurality of forming holes 11 are distributed in a circle with the center of the rotating frame 6. A lower pressing roller 12 is slidably inserted at the bottom of the forming hole 11, and a slide groove 13 surrounding the lower pressing roller 12 is provided at the bottom of the outer wall of the lower pressing roller 12. The slide groove 13 is located outside the lower guide ring 8, and the lower guide ring 8 is fitted in the slide groove 13. The lower guide ring 8 and the lower guide ring 8 are slidably matched. An upper pressing roller 14 is provided at the top of the forming hole 11, and the top of the upper pressing roller 14 passes through the rotating disk 5, and the upper pressing roller 14 and the rotating disk 5 and the forming hole 11 are slidably matched, the top of the outer wall of the upper pressing roller 14 is provided with a second slide groove 15 which surrounds the upper pressing roller 14, the second slide groove 15 is located outside the upper guide ring 10, the upper guide ring 10 is fitted with the inner wall of the second slide groove 15, the second slide groove 15 and the upper guide ring 10 are slidably matched, the front sides of the upper guide ring 10 and the lower guide ring 8 are respectively provided with an upper protrusion 16 and a lower protrusion 17, both of the upper protrusion 16 and the lower protrusion 17 are convex upward and both ends are arc-shaped and inclined, and the length of the upper protrusion 16 is greater than the length of the lower protrusion 17.

[0020] The top of the rotating frame 6 has a connecting plate 18, the connecting plate 18 is sleeved with the rotating shaft 4, the connecting plate 18 and the rotating shaft 4 are clearance-matched, the connecting plate 18 is rotatably connected to the rotating frame 6, the front side of the outer wall of the connecting plate 18 has a baffle 19 and a baffle 21, the baffle 21 is located on the left side of the baffle 19, the front end of the baffle 19 is fixedly connected to the inner wall of the shell 1, the rear end of the baffle 19 is fixedly connected to the side wall of the connecting plate 18, and the baffle 21 is fixedly connected to the side wall of the connecting plate 18; the baffle 19 and the baffle 2 21 are all slidably fitted with the rotating frame 6, the baffle 1 19 is located on the right side above the lower protrusion 17, the baffle 19 is located below the upper protrusion 16, the front side wall of the shell 1 is provided with a discharge port 25, the discharge port 25 is located between the rotating frame 6 and the rotating disk 5, the bottom of the discharge port 25 is flush with the top of the rotating frame 6, the bottom front side of the discharge port 25 is provided with a discharge chute plate 20, the discharge chute plate 20 is fixedly connected to the front side wall of the shell 1, and the front end of the baffle 21 is fixedly connected to the right side wall of the discharge chute plate 20.

[0021] A powder inlet pipe 22 is provided on the right side of the discharge port 25, the lower end of the powder inlet pipe 22 is fixedly connected to the front side wall of the shell 1, the powder inlet pipe 22 is communicated with the interior of the shell 1, the lower end of the powder inlet pipe 22 is located between the rotating disk 5 and the rotating frame 6, the lower end of the powder inlet pipe 22 is located above between the baffle 1 19 and the baffle 2 21, the upper end of the powder inlet pipe 22 is fixedly connected to a powder inlet hopper 23, and a flow control valve 24 is arranged in the powder inlet pipe 22.

[0022] The motor 3 drives the rotating shaft 4 to rotate, and the rotation of the rotating shaft 4 drives the rotating frame 6 and the rotating disk 5 to rotate synchronously. The rotating frame 6 and the rotating disk 5 drive the lower pressing roller 12 and the upper pressing roller 14 to rotate. The lower pressing roller 12 slides along the lower guide ring 8 through the chute 13, and the upper pressing roller 14 slides along the upper guide ring 10 through the chute 2 15. Through the ups and downs of the upper guide ring 10 and the lower guide ring 8, the upper pressing roller 14 and the lower pressing roller 12 move up and down and press the powder into tablets in the forming hole 11. After the tablets are pressed, The lower pressing roller 12 pushes the tablet upward along the lower protrusion 17, intercepts it through the baffle plate 21, and discharges it from the discharge port 25 and the discharge slot plate 20. The powder enters the shell through the powder feeding hopper 23 and the powder feeding tube 22, and falls between the baffle plate 19 and the baffle plate 21 to accumulate, enters the forming hole 11 through the interception of the baffle plate 19, and falls on the top of the lower pressing roller 12, and continues to be pressed by the upper pressing roller 14 and the lower pressing roller 12, and the amount of powder entering is controlled by the flow control valve 24. The utility model only protects the mechanical part, and the functions related to it realized by the software control part are not within the protection scope of the utility model.

Claims

1. A tablet press, comprising a housing (1), characterized in that: The outer shell (1) is a cylindrical shell structure. The bottom of the inner side wall of the outer shell (1) is fixedly connected to a bottom plate (2). The bottom of the bottom plate (2) is fixedly connected to a motor (3). The output shaft of the motor (3) is fixedly connected to a rotating shaft (4). The rotating shaft (4) passes through the bottom plate (2) and the upper part of the outer shell (1). The rotating shaft (4) is rotatably connected to the bottom plate (2). The upper part of the rotating shaft (4) is rotatably connected to the center of the upper part of the outer shell (1). The outer wall of the rotating shaft (4) is fixedly sleeved with a rotating disk (5) and a rotating frame (6). The rotating frame (6) is located below the rotating disk (5). Both the rotating frame (6) and the rotating disk (5) are circular. The top of the bottom plate (2) is fixedly connected to The lower fixing plate (7) is in the shape of a circular ring, the top of the outer wall of the lower fixing plate (7) is fixedly connected with a lower guide ring (8), the inner top wall of the outer shell (1) is fixedly connected with an upper fixing plate (9), the upper fixing plate (9) is in the shape of a ring, the bottom of the outer wall of the upper fixing plate (9) is fixedly connected with an upper guide ring (10), the upper fixing plate (9) and the lower fixing plate (7) are of the same size, and the center of the circle of the upper fixing plate (9) and the lower fixing plate (7) is concentrically arranged with the central axis of the outer shell (1); the outer walls of the rotating frame (6) and the rotating disk (5) are both slidably matched with the inner wall of the outer shell (1), and the top of the rotating frame (6) is provided with a plurality of equal-angle The forming holes (11) are evenly distributed, and a plurality of the forming holes (11) are distributed in a circle with the center of the rotating frame (6). A lower pressing roller (12) is slidably inserted at the bottom of the forming hole (11). A sliding groove (13) surrounding the lower pressing roller (12) is provided at the bottom of the outer wall of the lower pressing roller (12). The sliding groove (13) is located outside the lower guide ring (8). The lower guide ring (8) is fitted in the sliding groove (13). The lower guide ring (8) and the lower guide ring (8) are slidably matched. An upper pressing roller (14) is provided at the top of the forming hole (11). The top of the upper pressing roller (14) passes through the rotating disk (5). The upper pressing roller (14) and the rotating disk (5) are connected. ) and the forming hole (11) are slidably matched, the outer wall top of the upper pressing roller (14) is provided with a second slide groove (15) surrounding the upper pressing roller (14), the second slide groove (15) is located outside the upper guide ring (10), the upper guide ring (10) is in contact with the inner wall of the second slide groove (15), the second slide groove (15) is slidably matched with the upper guide ring (10), the front sides of the upper guide ring (10) and the lower guide ring (8) are respectively provided with an upper protrusion (16) and a lower protrusion (17), both of which are upwardly protruding and have arc-shaped inclined ends, and the length of the upper protrusion (16) is greater than the length of the lower protrusion (17).

2. A tablet press according to claim 1, characterized in that: The top of the rotating frame (6) is provided with a connecting plate (18), the connecting plate (18) is sleeved with the rotating shaft (4), the connecting plate (18) and the rotating shaft (4) are clearance-matched, the connecting plate (18) is rotatably connected to the rotating frame (6), the front side of the outer wall of the connecting plate (18) is provided with a baffle plate 1 (19) and a baffle plate 2 (21), the baffle plate 2 (21) is located on the left side of the baffle plate 1 (19), the front end of the baffle plate 1 (19) is fixedly connected to the inner wall of the housing (1), the rear end of the baffle plate 1 (19) is fixedly connected to the side wall of the connecting plate (18), and the baffle plate 2 (21) is fixedly connected to the side wall of the connecting plate (18); the baffle plate 1 (19) and the baffle plate 2 (21) are fixedly connected to the side wall of the connecting plate (18); The first baffle plate (21) and the second baffle plate (21) are both slidably fitted with the rotating frame (6), the first baffle plate (19) is located on the right side above the lower protrusion (17), and the second baffle plate (19) is located below the upper protrusion (16). A discharge port (25) is provided on the front side wall of the housing (1), and the discharge port (25) is located between the rotating frame (6) and the rotating disk (5). The bottom of the discharge port (25) is flush with the top of the rotating frame (6), and a discharge trough plate (20) is provided on the front side of the bottom of the discharge port (25). The discharge trough plate (20) is fixedly connected to the front side wall of the housing (1), and the front end of the second baffle plate (21) is fixedly connected to the right side wall of the discharge trough plate (20).

3. A tablet press according to claim 2, characterized in that: A powder inlet pipe (22) is provided on the right side of the discharge port (25), the lower end of the powder inlet pipe (22) is fixedly connected to the front side wall of the housing (1), the powder inlet pipe (22) is communicated with the interior of the housing (1), the lower end of the powder inlet pipe (22) is located between the rotating disk (5) and the rotating frame (6), the lower end of the powder inlet pipe (22) is located above between the baffle plate 1 (19) and the baffle plate 2 (21), the upper end of the powder inlet pipe (22) is fixedly communicated with a powder inlet hopper (23), and a flow control valve (24) is arranged in the powder inlet pipe (22).