Tablet press for pharmacy

By setting up an intake pipe and jet mechanism on the tablet press, compressed air assists the powder to compact and remove dust in real time, the problem of intimate bonding of the powder and dust deposition is solved, and the quality and production efficiency of the tablet are improved.

CN223266351UActive Publication Date: 2025-08-26TIANJIN FUMA REDUCER CO LTD
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Patent Information

Application Number
CN202422513343.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2025-08-26
Estimated Expiration
2034-10-17

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    Figure CN223266351U_ABST
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Abstract

The utility model relates to the technical field of tablet presses, in particular to a pharmaceutical tablet press which comprises a rack, a pressing disc, a tray and a rotary disc, the tray is mounted on the rack, the rotary disc is arranged on the tray, the bottom of the rotary disc is connected with the rack through a rotary shaft, the tray is rotatably connected to the rack through the rotary shaft, the pressing disc is arranged above the tray, and the rotary disc is arranged above the tray. A die table is connected to the tray, a plurality of dies distributed in the circumferential direction of the die table are fixedly connected to the bottom of the die table, punches are installed in the dies, a plurality of tablet pressing holes are formed in the rotary disc, and the positions of the tablet pressing holes correspond to the positions of the punches. An air inlet pipe is arranged at the upper end of the pressing disc and connected with the pressing disc through a connecting pipe. The air inlet pipe is arranged at the upper end of the pressing disc, the air inlet pipe is connected with the pressing disc through the connecting pipe, and the air inlet pipe is used for providing compressed air so as to assist in compacting medicine powder.
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Description

Technical Field

[0001] The utility model relates to the technical field of tablet presses, in particular to a pharmaceutical tablet press. Background Art

[0002] Currently, pharmaceutical tablet presses are mechanical equipment used in the pharmaceutical industry to press drug powder or other drug ingredients into tablets.

[0003] Current tablet presses lack an effective auxiliary compaction mechanism, resulting in an inability to achieve the desired tight bonding between drug powder particles. This can lead to uneven tablet density, unstable efficacy, and even tablet breakage. Furthermore, traditional tablet presses can generate large amounts of dust during the pressing process. If not removed promptly, this dust can reattach to the die and around the tableting holes, compromising tablet quality. Furthermore, frequent manual cleaning can reduce production efficiency.

[0004] Therefore need a kind of pharmaceutical tablet press that can solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a pharmaceutical tablet press. The utility model is provided with an air inlet pipe at the upper end of the pressure plate. The air inlet pipe and the pressure plate are connected to each other by a connecting pipe. The air inlet pipe is used to provide compressed air to assist in compacting the powder. With the help of air pressure, the powder particles can be more tightly combined together, thereby forming a more solid tablet. The check valve in the utility model is installed between the connecting pipe and the pressure plate to effectively prevent gas from flowing back into the air inlet pipe, ensuring stable operation of the system and avoiding blockage or other malfunctions caused by material backflow.

[0006] The utility model adopts the following technical solution to solve the above technical problems: a pharmaceutical tablet press, comprising a frame, a pressure plate, a tray and a turntable, the tray being mounted on the frame, the turntable being arranged on the tray, the bottom of the turntable being connected to the frame via a rotating shaft, the tray being rotatably connected to the frame via a rotating shaft, the pressure plate being arranged above the tray, a mold table being connected to the tray, a plurality of molds distributed along the circumferential direction of the mold table being fixedly connected to the bottom of the mold table, a punch being installed in the mold, a plurality of tablet pressing holes being opened on the turntable, the positions of the tablet pressing holes corresponding to the positions of the punches; an air inlet pipe being arranged at the upper end of the pressure plate, the air inlet pipe and the pressure plate being connected via a connecting pipe.

[0007] Furthermore, an air jet mechanism is fixedly connected to one side of the turntable, and a dust removal nozzle is installed on the air jet mechanism.

[0008] Furthermore, a guide column is fixedly connected to the upper end of the tray, one end of the guide column is connected to the frame, and the pressure plate can be lifted up and down along the guide column.

[0009] Furthermore, a check valve is installed at the connection between the connecting pipe and the pressure plate.

[0010] Furthermore, the bottom of the tray is fixedly connected to a support platform and a support column, and the tray is fixedly mounted on the rack through the support platform and the support column.

[0011] The advantages of the present invention are: the present invention provides a pharmaceutical tablet press, the present invention has the following advantages:

[0012] 1. This utility model features an air inlet pipe at the upper end of the pressure plate. The pipe is connected to the pressure plate via a connecting pipe, providing compressed air to assist in compacting the powder. Air pressure helps bind powder particles more tightly together, resulting in a stronger tablet. The check valve, installed between the connecting pipe and the pressure plate, effectively prevents air from backflowing into the pipe, ensuring stable system operation and avoiding blockages or other malfunctions caused by material backflow.

[0013] 2. This utility model provides an integrated cleaning solution by fixing an air-jet mechanism to one side of the turntable and installing a dust removal nozzle on it. This design not only helps to remove dust from the mold and tableting holes in real time, preventing dust redeposition that affects tablet quality, but also eliminates the need for separate dust removal equipment and simplifies the production line layout. This innovation not only improves cleaning efficiency but also reduces downtime for cleaning, thereby improving overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of a local enlarged structure;

[0017] in:

[0018] 1. Machine frame; 2. Mold table; 3. Mold;

[0019] 4. Pressure plate; 5. Connecting pipe; 6. Inlet pipe;

[0020] 7. Guide column; 8. Tray; 9. Support platform;

[0021] 10. Rotating shaft; 11. Turntable; 12. Supporting column;

[0022] 13. Punch; 14. Tablet hole; 15. Dust removal nozzle;

[0023] 16. Check valve; 17. Jet mechanism. DETAILED DESCRIPTION

[0024] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. The terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example 1:

[0027] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model. Figure 2 for Figure 1 A schematic diagram of the local enlarged structure of Figure 1 and Figure 2The illustrated pharmaceutical tablet press comprises a frame 1, a platen 4, a tray 8, and a turntable 11. The tray 8 is mounted on the frame 1. The frame 1 serves as the basic support structure for the entire tablet press, providing a stable mounting platform and ensuring precise alignment and stable operation of all components, thereby ensuring the normal operation of the tablet press and continuous production. The tray 8 is mounted on the frame 1 and is used to support the die table 2 and the turntable 11. The turntable 11 is mounted on the tray 8 and connected to the frame 1 at its bottom via a rotating shaft 10, allowing the turntable 11 to rotate smoothly. Multiple tableting holes 14 formed on the turntable 11 correspond to the positions of the punches 13 in the die 3. As the turntable 11 rotates, the drug powder in the die 3 undergoes a sequential feeding and compression process, thereby improving production efficiency. The tray 8 is rotatably connected to the frame 1 via the rotating shaft 10. The platen 4 is positioned above the tray 8 and applies pressure to the drug powder in the tableting holes 14 through the punches 13 in the die 3 by moving up and down. A die table 2 is connected to the tray 8. A plurality of dies 3 distributed along the circumference of the die table 2 are fixedly connected to the bottom of the die table 2. A punch 13 is installed in the die 3. The die table 2 is mounted on the tray 8. A plurality of dies 3 distributed along the circumference of the die table 2 are fixedly connected to the bottom. A punch 13 is installed inside each die 3. This design allows multiple tablets to be processed simultaneously, greatly improving production efficiency. A plurality of tablet pressing holes 14 are provided on the turntable 11. The positions of the tablet pressing holes 14 correspond to the positions of the punches 13. An air inlet pipe 6 is provided at the upper end of the pressure plate 4. The air inlet pipe 6 and the pressure plate 4 are connected to each other via a connecting pipe 5. The air inlet pipe 6 and the connecting pipe 5 provided at the upper end of the pressure plate 4 allow compressed air to enter, assisting in compacting the powder, making the tablets more dense and uniform, and improving the quality of the tablets.

[0028] An air jet mechanism 17 is fixedly connected to one side of the turntable 11, and a dust removal nozzle 15 is installed on the air jet mechanism 17. The air jet mechanism 17 of the utility model is fixed to one side of the turntable 11 and is equipped with a dust removal nozzle 15, which can remove dust around the mold 3 and the tablet pressing hole 14 in real time, preventing dust from re-depositing and affecting the quality of the tablets, while reducing the downtime for cleaning and improving the overall production efficiency.

[0029] The utility model has a guide post 7 fixedly connected to the upper end of the tray 8. One end of the guide post 7 is interconnected with the frame 1, and the pressure plate 4 can be raised and lowered along the guide post 7. The guide post 7 is fixed to the upper end of the tray 8 and connected to the frame 1, and the pressure plate 4 can be raised and lowered along the guide post 7. The design of the guide post 7 ensures the smoothness and precision of the movement of the pressure plate 4, prevents the pressure plate 4 from deflecting or shaking during operation, and improves the stability of the tableting process and the quality of the tablets. A check valve 16 is installed at the connection between the connecting pipe 5 and the pressure plate 4. The check valve 16 is installed at the connection between the connecting pipe 5 and the pressure plate 4, which can effectively prevent gas from flowing back into the air intake pipe 6, ensuring the stable operation of the compressed air supply system and extending the service life of the equipment. The utility model has a support platform 9 and a support column 12 fixedly connected to the bottom of the tray 8. The tray 8 is fixedly mounted on the frame 1 via the support platform 9 and the support column 12. The support platform 9 and the support column 12 at the bottom of the tray 8 further enhance the stability of the tray 8 and ensure the reliability of the equipment under long-term operation.

[0030] In summary, this technical solution not only improves the quality and production efficiency of tablets through the optimized design of various components of the tablet press, but also enhances the stability and maintainability of the equipment, reflecting the importance of technological innovation to improving production processes in the pharmaceutical industry.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pharmaceutical tablet press, characterized in that: The invention comprises a frame (1), a pressure plate (4), a tray (8) and a turntable (11), wherein the tray (8) is mounted on the frame (1), the turntable (11) is arranged on the tray (8), the bottom of the turntable (11) is connected to the frame (1) via a rotating shaft (10), the tray (8) is rotatably connected to the frame (1) via the rotating shaft (10), the pressure plate (4) is arranged above the tray (8), a mold table (2) is connected to the tray (8), a plurality of molds (3) distributed along the circumferential direction of the mold table (2) are fixedly connected to the bottom of the mold table (2), a punch (13) is installed in the mold (3), a plurality of pressing holes (14) are opened on the turntable (11), and the positions of the pressing holes (14) correspond to the positions of the punches (13); an air inlet pipe (6) is arranged at the upper end of the pressure plate (4), and the air inlet pipe (6) and the pressure plate (4) are connected to each other via a connecting pipe (5).

2. A pharmaceutical tablet press according to claim 1, characterized in that: One side of the turntable (11) is fixedly connected with an air jet mechanism (17), and a dust removal nozzle (15) is installed on the air jet mechanism (17).

3. A pharmaceutical tablet press according to claim 1, characterized in that: The upper end of the tray (8) is fixedly connected to a guide column (7), one end of the guide column (7) is connected to the frame (1), and the pressure plate (4) can be lifted up and down along the guide column (7).

4. A pharmaceutical tablet press according to claim 1, characterized in that: A check valve (16) is installed at the connection between the connecting pipe (5) and the pressure plate (4).

5. A pharmaceutical tablet press according to claim 1, characterized in that: The bottom of the tray (8) is fixedly connected to a support platform (9) and a support column (12), and the tray (8) is fixedly mounted on the frame (1) via the support platform (9) and the support column (12).