Tablet press for solid preparation
By introducing structures such as guide rods, top plates, fixed plates, and compression springs into the tablet press, automatic tablet demolding and collection are achieved, solving the problems of tablet damage and low efficiency during extraction, and improving tablet integrity and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEILONGJIANG LINBAO PHARM CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-05-12
AI Technical Summary
Existing tablets are easily damaged during removal and have low production efficiency, affecting product quality and appearance.
设计了一种固体制剂用压片机,采用导向杆、顶盘、固定盘、压缩弹簧和坡道等结构,实现药片的自动脱模,并通过导向板和挡板的配合进行自动收集。
Ensuring consistent tablet shape and size improves product quality consistency, guarantees tablet integrity, and increases production efficiency.
Smart Images

Figure CN224224615U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pharmaceutical tableting equipment technology, specifically a tableting machine for solid dosage forms. Background Technology
[0002] Pharmaceutical tableting is the process of compressing pharmaceutical powders or granules into tablets using specialized machinery (tablet presses). This aims to facilitate dosage control, carrying, and administration of the drug, while ensuring drug stability and release efficiency. This process includes powder formulation, mixing, tableting, and packaging, and is a crucial step in pharmaceutical production.
[0003] However, existing tablets are damaged, stuck together, or deformed during removal, affecting the appearance and quality of the product. At the same time, the tablet removal efficiency is low, resulting in low production efficiency. In order to solve the above problems, the inventors have proposed a tablet press for solid dosage forms. Utility Model Content
[0004] To address the problems of easy damage during tablet removal and low production efficiency, the purpose of this invention is to provide a tablet compressor for solid dosage forms.
[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a tablet compressor for solid dosage forms, comprising a base, a worktable rotatably mounted on the top of the base, a feeding assembly and an extrusion assembly mounted on the outer side of the base, a circular array of holes distributed in a ring at the top of the worktable, a guide rod movably inserted into the circular holes, a top plate fixedly mounted on the top of the guide rod, a smooth round head fixedly mounted on the bottom of the guide rod, a ramp mounted on the top of the base, a fixed plate fixedly mounted on the outer side of the guide rod, a compression spring movably sleeved on the outer side of the guide rod, the compression spring being located between the fixed plate and the worktable, and the feeding assembly and the extrusion assembly being located above the worktable.
[0006] Preferably, a guide plate is fixedly provided on the outer side of the base, the guide plate is in contact with the outer side of the workbench, a baffle is fixedly provided on the top of the guide plate, the baffle is in contact with the top of the workbench, a mounting bracket is fixedly provided on the outer side of the base, a storage box is installed on the top of the mounting bracket, and the storage box is located below the guide plate.
[0007] Preferably, the bottom of the base is equipped with shock-absorbing pads arranged in a circular array, the worktable rotates 90 degrees on the base in a single rotation, and the worktable is electrically driven to rotate and is mounted on the top of the base.
[0008] Preferably, the bottom of the workbench is fixedly provided with auxiliary rods arranged in a circular array, the top of the base is fixedly provided with an external slide rail, the auxiliary rods are movably inserted into the external slide rail, a plurality of fixed plates are fixedly provided with limiting plates on the outside of the fixed plates, the bottom of the workbench is fixedly provided with limiting rods arranged in an array, the limiting rods are movably inserted into the limiting plates, and the top plate is movably inserted into the circular hole.
[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0010] 1. In this utility model, by setting guide rods, top plates, fixed plates, compression springs and ramps in cooperation, automatic demolding of tablets can be achieved, ensuring that the shape and size of each tablet are consistent, improving the consistency of product quality, ensuring the integrity of tablets, and improving production efficiency.
[0011] 2. In this utility model, by setting up guide plates, baffles, mounting frames and storage boxes and other structures in cooperation, the tablets after demolding can be automatically collected, thereby improving the production efficiency of tablets. Attached Figure Description
[0012] 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.
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a side view of the overall structure of this utility model.
[0015] Figure 3 This is a cross-sectional schematic diagram of the workbench and its connecting structure of this utility model;
[0016] Figure 4 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle;
[0017] Figure 5 This is a schematic diagram of the base and its connection structure of this utility model.
[0018] In the diagram: 1. Base; 11. Workbench; 12. Round hole; 13. Feeding assembly; 14. Extrusion assembly; 15. Auxiliary rod; 16. External slide rail; 17. Shock-absorbing foot pad; 2. Guide rod; 21. Top plate; 22. Smooth round head; 23. Fixed plate; 24. Compression spring; 25. Ramp; 26. Limiting plate; 27. Limiting rod; 3. Guide plate; 31. Baffle; 32. Mounting bracket; 33. Storage box. Detailed Implementation
[0019] 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.
[0020] like Figure 1-5 As shown, this utility model provides a tablet compressor for solid dosage forms, including a base 1, a worktable 11 rotatably mounted on the top of the base 1, the worktable 11 being used to compress tablets, a feeding assembly 13 and an extrusion assembly 14 mounted on the outer side of the base 1, the feeding assembly 13 being used to transfer drug powder into circular holes 12, and the extrusion assembly 14 extruding the circular holes 12, thereby realizing tablet production. The top of the worktable 11 has circular holes 12 arranged in a ring array, the circular holes 12 being the pharmaceutical production area, and a guide rod 2 movably inserted into the circular holes 12. The upward movement of the guide rod 2 causes the top plate 21 to move upward. The top plate 21 is fixedly mounted on the top of the guide rod 2, and the top plate 21 moves upward. The movement causes the tablet to be ejected from the round hole 12. A smooth round head 22 is fixedly provided at the bottom of the guide rod 2. The smooth round head 22 will move upward along the arc of the ramp 25, thereby driving the guide rod 2 to move upward, which facilitates the ejection of the tablet. The ramp 25 is installed at the top of the base 1. A fixed plate 23 is fixedly provided on the outside of the guide rod 2. A compression spring 24 is movably sleeved on the outside of the guide rod 2. The compression spring 24 is located between the fixed plate 23 and the worktable 11, so that the compression spring 24 can drive the guide rod 2 and the smooth round head 22 to always be in contact with the ramp 25 or the top of the base 1, thereby facilitating continuous tablet compression. The feeding assembly 13 and the extrusion assembly 14 are located above the worktable 11.
[0021] A guide plate 3 is fixedly provided on the outer side of the base 1. The guide plate 3 is in contact with the outer side of the workbench 11. A baffle 31 is fixedly provided on the top of the guide plate 3. The baffle 31 is in contact with the top of the workbench 11. A mounting bracket 32 is fixedly provided on the outer side of the base 1. A storage box 33 is installed on the top of the mounting bracket 32. The storage box 33 is located below the guide plate 3.
[0022] By adopting the above technical solution, after the tablets are demolded, the tablets are pushed by the baffle 31, and the tablets will be transported into the storage box 33 according to the angle of the baffle 31 and the guide plate 3, thereby achieving the purpose of automatic collection and feeding.
[0023] The bottom of the base 1 is equipped with shock-absorbing foot pads 17 arranged in a ring array.
[0024] By adopting the above technical solution, the shock-absorbing foot pad 17 can support the entire device.
[0025] The worktable 11 rotates 90 degrees on the base 1 in a single rotation.
[0026] By adopting the above technical solution, tablets can be pressed into the three circular holes 12 in a single operation.
[0027] The worktable 11 is mounted on top of the base 1 by rotating via electric drive.
[0028] By adopting the above technical solution, the worktable 11 can rotate on the base 1, and the worktable 11 can be moved upward by the motor.
[0029] The bottom of the workbench 11 is fixed with auxiliary rods 15 arranged in a ring array, and the top of the base 1 is fixed with an external slide rail 16, in which the auxiliary rods 15 are movably inserted.
[0030] By adopting the above technical solution, the auxiliary rod 15 and the external slide rail 16 can assist the worktable 11 in rotating, making it more stable during operation.
[0031] A number of fixed plates 23 are fixedly provided with limiting plates 26 on their outer sides, and the bottom of the worktable 11 is fixedly provided with limiting rods 27 arranged in an array, with the limiting rods 27 being movably inserted into the limiting plates 26.
[0032] By adopting the above technical solution, the limiting plate 26 can slide outside the limiting rod 27, which can improve the stability of the guide rod 2 movement.
[0033] The top plate 21 is movably inserted into the round hole 12.
[0034] By adopting the above technical solution, the tablet can be extruded into shape by the extrusion assembly 14 in conjunction with the top plate 21, and the top plate 21 can remove the medicine from the round hole 12.
[0035] Working principle: First, the feeding component 13 is connected to the raw material of the tablet. The feeding component 13 feeds the tablet into the lower circular hole 12. Then, the worktable 11 rotates, causing the circular hole 12 containing the powder to move to the bottom of the extrusion component 14. The extrusion component 14 extrudes the powder into shape. The worktable 11 continues to rotate. At this time, the guide rod 2 contacts the ramp 25 through the smooth round head 22. As the smooth round head 22 moves on the ramp 25, it drives the guide rod 2 to move upward. The upward movement of the guide rod 2 drives the top plate 21 to move upward. The upward movement of the top plate 21 drives the tablet to move upward, causing the tablet to detach into the circular hole 12. At the same time, the guide rod 2 moves upward. The fixed plate 23 moves upward, compressing the compression spring 24. When the guide rod 2 disengages from the smooth round head 22 and reaches the ramp 25, the guide rod 2 and the top plate 21 rebound under the return of the compression spring 24, and the top plate 21 resets. This enables automatic demolding of the tablets, ensuring that the shape and size of each tablet are consistent, improving product quality consistency, guaranteeing tablet integrity, and increasing production efficiency. After demolding, the tablets are pushed by the baffle 31, and the tablets are transferred to the storage box 33 according to the angle of the baffle 31 and the guide plate 3, thus achieving the purpose of automatic collection and feeding. Then, the above operation is repeated to make medicine.
[0036] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
Claims
1. A tablet compressor for solid dosage forms, comprising a base (1), characterized in that: The base (1) has a workbench (11) rotatably mounted on its top. The base (1) has a feeding assembly (13) and an extrusion assembly (14) mounted on its outer side. The workbench (11) has a circular array of holes (12) at its top. A guide rod (2) is movably inserted into the circular hole (12). The guide rod (2) has a top plate (21) fixed at its top and a smooth round head (22) fixed at its bottom. The base (1) has a ramp (25) mounted on its top. A fixed plate (23) is fixedly provided on the outside of the guide rod (2), and a compression spring (24) is movably sleeved on the outside of the guide rod (2). The compression spring (24) is located between the fixed plate (23) and the worktable (11). The feeding assembly (13) and the extrusion assembly (14) are located above the worktable (11).
2. The tablet compressor for solid dosage forms as described in claim 1, characterized in that, A guide plate (3) is fixedly provided on the outer side of the base (1). The guide plate (3) is attached to the outer side of the workbench (11). A baffle (31) is fixedly provided on the top of the guide plate (3). The baffle (31) is attached to the top of the workbench (11). A mounting bracket (32) is fixedly provided on the outer side of the base (1). A storage box (33) is installed on the top of the mounting bracket (32). The storage box (33) is located below the guide plate (3).
3. A tablet compressor for solid dosage forms as described in claim 1, characterized in that, The base (1) is equipped with shock-absorbing pads (17) arranged in a ring array at its bottom end.
4. A tablet compressor for solid dosage forms as described in claim 1, characterized in that, The workbench (11) rotates 90 degrees on the base (1) in a single rotation.
5. A tablet compressor for solid dosage forms as described in claim 1, characterized in that, The workbench (11) is electrically driven and rotated on the top of the base (1).
6. A tablet compressor for solid dosage forms as described in claim 1, characterized in that, The bottom of the workbench (11) is fixed with auxiliary rods (15) arranged in a ring array, and the top of the base (1) is fixed with an external slide (16). The auxiliary rods (15) are movably inserted into the external slide (16).
7. A tablet compressor for solid dosage forms as described in claim 1, characterized in that, A limiting plate (26) is fixedly provided on the outside of several fixed plates (23), and a limiting rod (27) arranged in an array is fixedly provided at the bottom of the worktable (11), and the limiting rod (27) is movably inserted into the limiting plate (26).
8. A tablet compressor for solid dosage forms as described in claim 1, characterized in that, The top plate (21) is movably inserted into the round hole (12).