Tabletting device for medicine processing

Abstract

The utility model provides a tablet pressing device for medicine processing, which relates to the technical field of medicine processing and comprises an upper rotary table, a lower rotary table, a pressing wheel and a control cabinet, the control cabinet is rotatably connected with a rotating shaft extending above the control cabinet, and the upper rotary table and the lower rotary table are respectively fixed on the rotating shaft. A plurality of upper stamping dies capable of replacing stamping heads of different specifications are slidably connected to the upper rotary table in the circumferential direction, a plurality of die cylinders are installed on the lower rotary table in the circumferential direction, lower stamping dies are slidably connected into the die cylinders respectively, a platen used for stabilizing the die cylinders is installed on the lower rotary table, and through holes corresponding to the die cylinders are formed in the platen. A guide rail and a support are installed on the top of the control cabinet, the bottom end of the lower punching die is connected to the guide rail in a sliding mode, the pressing wheel is installed on the support and matched with the upper punching die, and a hopper used for discharging of the die cylinder is installed on the support. The corresponding die cylinder, the lower punching die and the upper punch of the upper punching die can be replaced, the tablet pressing machine is suitable for pressing tablets of different specifications and sizes, and the adaptability of the tablet pressing machine is improved.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical processing technology, and in particular to a tableting device for pharmaceutical processing. Background Technology

[0002] Tablet presses are equipment used in the tablet manufacturing process of the pharmaceutical industry. They compress powdered raw materials into tablets by applying pressure to the powder in the mold through upper and lower punches, shaping it into tablets with a certain hardness and shape. With the rapid development of the pharmaceutical industry, higher demands are placed on the quality and production efficiency of tablets. However, existing pharmaceutical tablet presses still have many technical problems in practical applications, which restrict the improvement of production efficiency and product quality.

[0003] The patent with announcement number CN217476667U discloses a tablet compressor, which compresses tablets into pills by aligning the tablet head with the tableting groove. After the pills are compressed into tablets, two second electric push rods push the tableting groove on the tableting plate to align with the feeding hole, so that the pills can fall into the feeding hole, thus realizing automatic feeding.

[0004] The above technical methods have the following shortcomings in use: 1. They can only compress tablets of one size, which cannot meet the production needs of tablets of different sizes. They are limited in size and have poor adaptability. 2. During the tableting process, the inner wall of the tableting groove has a large friction force. Simply aligning the tableting groove with the feeding hole without applying a pushing force to the tablets makes it difficult to feed the tablets. 3. When the tablets are being fed, the tableting process stops. The tableting plate must be reset after feeding before the next tableting can be performed. This results in poor continuity and low efficiency. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of the aforementioned technologies by proposing a tableting device for pharmaceutical processing, thereby resolving the problems described above.

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

[0007] A tableting device for pharmaceutical processing includes an upper turntable, a lower turntable, a pressure roller, and a control cabinet. The control cabinet is rotatably connected to a rotating shaft extending above it. The upper and lower turntables are respectively fixed on the rotating shaft. A plurality of upper dies with interchangeable punch heads of different specifications are slidably connected circumferentially to the upper turntable. A plurality of die cylinders are detachably connected circumferentially to the lower turntable. A lower die matching the inner diameter of each die cylinder is slidably connected within the die cylinders. A platform for stabilizing the die cylinders is mounted on the lower turntable. The platform has through holes corresponding to the die cylinders. A guide rail and a bracket are mounted on the top of the control cabinet. The bottom end of each lower die is slidably connected to the guide rail. The pressure roller is mounted on the bracket and cooperates with the upper die to push the upper die downwards to apply pressure to the powdered drug inside the die cylinder. A hopper for discharging material from the die cylinders is mounted on the bracket.

[0008] Preferably, the die cylinder includes a cylinder body and a support ring, the support ring being connected to the cylinder body, and a limiting ring for limiting the sliding position of the lower die is provided inside the cylinder body.

[0009] Preferably, the upper punch includes an upper punch rod, an upper punch head, and a first pressure spring. The upper punch rod is slidably connected to the upper turntable. The first pressure spring is sleeved on the outside of the upper punch rod. The two ends of the first pressure spring are respectively connected to the upper punch rod and the upper turntable. The lower end of the upper punch rod is detachably connected to the upper punch head.

[0010] Preferably, the upper punch rod includes a rod body and a connecting ring, the connecting ring being connected to the rod body, and the free end of the first pressure spring being connected to the connecting ring.

[0011] Preferably, the lower punch includes a lower punch rod, a lower punch head, and a second pressure spring. The lower punch head is slidably connected inside the die cylinder. The lower punch rod is connected to the lower punch head. The second pressure spring is sleeved on the outside of the lower punch rod, and both ends of the second pressure spring are respectively connected to the lower punch rod and the die cylinder.

[0012] Preferably, the platform includes a first platform and a second platform, which are detachably connected to the lower turntable. The first platform and the second platform are respectively provided with grooves, which cooperate to form a through groove for the rotating shaft to pass through.

[0013] Preferably, the first plate and the second plate are provided with insert plates on their sides, the lower turntable is provided with slots that cooperate with the insert plates, and the lower turntable is threaded with bolts for fixing the insert plates.

[0014] Preferably, a protective ring is connected to the top of the control cabinet, the upper end of the protective ring is slidably connected to the lower turntable, and the guide rail is located inside the protective ring.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The appropriate die cylinder, lower die, and upper punch of the upper die can be replaced according to the size of the tablets to be pressed. The lower die is slidably connected inside the die cylinder and can be replaced together with the die cylinder, so that the upper die, lower die, and die cylinder are matched. This is suitable for pressing tablets of different sizes and improves the adaptability of the equipment. 2. The tablet pressing and tablet output are continuous, which improves the efficiency of tablet pressing. Attached Figure Description

[0017] Figure 1 This is a partial cross-sectional structural diagram of a tableting device for pharmaceutical processing according to the present invention;

[0018] Figure 2 This is a partial cross-sectional structural diagram of a tableting device for pharmaceutical processing according to the present invention;

[0019] Figure 3 for Figure 2 A schematic diagram of the middle section;

[0020] Figure 4 for Figure 3 A magnified structural diagram of part A in the middle;

[0021] Figure 5 This is a top view of the platform structure of this utility model;

[0022] In the diagram, 1. Upper turntable; 2. Lower turntable; 3. Pressure roller; 4. Control cabinet; 5. Rotating shaft; 6. Upper punch die; 7. Upper punch rod; 8. Rod body; 9. Connecting ring; 10. Upper punch head; 11. First pressure spring; 12. Die cylinder; 13. Cylinder body; 14. Support ring; 15. Limiting ring; 16. Lower punch die; 17. Lower punch rod; 18. Lower punch head; 19. Second pressure spring; 20. Mounting slot; 21. Platform; 22. First platform; 23. Second platform; 24. Insert plate; 25. Slot; 26. Guide rail; 27. Bracket; 28. Hopper; 29. ​​Through slot; 30. Bolt; 31. Protective ring; 32. Push plate; 33. Discharge chute; 34. Feeder. Detailed Implementation

[0023] To better understand the technical content of this utility model, specific embodiments are provided below, and the utility model will be further described in conjunction with the accompanying drawings.

[0024] Example

[0025] See Figures 1 to 5This utility model provides a tableting device for pharmaceutical processing, including an upper turntable 1, a lower turntable 2, a pressure roller 3, and a control cabinet 4. The control cabinet 4 is rotatably connected to a rotating shaft 5 extending above it. A power mechanism is installed inside the control cabinet 4; this power mechanism is existing technology and will not be described in detail here. The power mechanism drives the rotating shaft 5 to rotate. The upper turntable 1 and the lower turntable 2 are respectively fixed to the rotating shaft 5, with a certain distance between them. To enhance the stability of the rotating shaft 5, its upper end is rotatably connected to a bracket 27. Several upper punches 6, with interchangeable punch heads of different specifications, are slidably connected along the circumferential direction on the upper turntable 1. Several die cylinders are detachably connected along the circumferential direction on the lower turntable 2. 12. The lower turntable 2 has several mounting slots 20 along its circumference. The mold cylinders 12 are installed in the mounting slots 20 on the lower turntable 2. Each of the mold cylinders 12 has a lower punch 16 that matches its inner diameter. The outer diameter of the mold cylinders 12 remains unchanged and is installed in the mounting slots 20. The inner diameters of the mold cylinders 12 of different specifications are different. The mold cylinders 12 of different inner diameters are slidably connected to the matching lower punch 16. When pressing tablets of different sizes, the mold cylinders 12 of different sizes and the upper punch of the corresponding size can be replaced. The lower turntable 2 is equipped with a platform 21 for stabilizing the mold cylinders 12. The platform 21 has through holes corresponding to the mold cylinders 12. The top of the control cabinet 4 The guide rail 26 and bracket 27 are installed. The bottom end of the lower punch 16 is slidably connected to the guide rail 26. When the lower punch 16 slides to the protrusion of the guide rail 26, the lower punch 16 moves upward, pushing the pressed tablets out of the mold cylinder 12. A pusher plate 32 is installed on the bracket 27, which can push the tablets out of the platform 21. A discharge chute 33 located below the lower turntable 2 is connected to the top of the control cabinet 4. The pushed tablets fall into the discharge chute 33. The pressure roller 3 is installed on the bracket 27. The pressure roller 3 cooperates with the upper punch 6. When the upper punch 6 rotates past the pressure roller 3, the upper punch 6 is pushed downward by the pressure roller 3 to push the powdered medicine in the mold cylinder 12. The material is pressed to compress and shape the packaged drug. The support 27 is equipped with a hopper 28 for feeding the mold cylinder 12. The top of the control cabinet 4 is equipped with a feeder 34 (not shown) that is attached to the upper surface of the pressure plate. The feeder 34 (not shown) is located below the discharge port of the hopper 28. The feeder 34 (not shown) is existing technology and will not be described in detail here. The powdered drug output from the hopper 28 accumulates in the feeder 34 (not shown). When the turntable 2 and the platform 21 rotate past the feeder 34 (not shown), the powdered drug is pushed into the mold cylinder 12 under the action of the feeder 34 (not shown). This equipment can continuously compress tablets and output the compressed tablets. It has strong continuity and improves the tableting efficiency.

[0026] The mold cylinder 12 includes a cylinder body 13 and a support ring 14. The support ring 14 is connected to the cylinder body 13 and supports the cylinder body 13. The mold cylinder 12 is installed in the mounting groove 20. The cylinder body 13 is provided with a limiting ring 15 to limit the sliding position of the lower punch 16, thereby limiting the position of the lower punch 16 and preventing the lower punch 16 from slipping out of the mold cylinder 12.

[0027] The upper punch 6 includes an upper punch rod 7, an upper punch head 10, and a first pressure spring 11. The upper punch rod 7 is slidably connected to the upper turntable 1. The first pressure spring 11 is sleeved on the outside of the upper punch rod 7. The two ends of the first pressure spring 11 are respectively connected to the upper punch rod 7 and the upper turntable 1. The lower end of the upper punch rod 7 is detachably connected to the upper punch head 10. The connection method can be a threaded connection or a bolt connection. This equipment adopts a threaded connection.

[0028] The upper punch rod 7 includes a rod body 8 and a connecting ring 9. The connecting ring 9 is located below the bottom of the pressure roller 3, which can prevent the pressure roller 3 from contacting the connecting ring 9 or the first pressure spring 11 when the upper punch rod 7 rotates past the pressure roller 3. This facilitates the pressure roller 3 to act on the upper punch rod 7, causing the upper punch rod 7 to move downward. The upper end of the rod body 8 is spherical. The connecting ring 9 is connected to the rod body 8, and the free end of the first pressure spring 11 is connected to the connecting ring 9.

[0029] When the upper turntable 1 drives the upper punch 6 to rotate and pass the pressure roller 3, the pressure roller 3 acts on the upper punch rod 7. The upper punch rod 7 moves down with the upper punch head and extends into the mold cylinder 12, applying pressure to the powdered drug in the mold cylinder 12 to form the powdered drug. After the upper punch 6 rotates and passes the pressure roller 3, the upper punch rod 7 moves up and resets under the action of the first pressure spring 11.

[0030] The lower punch 16 includes a lower punch rod 17, a lower punch head 18, and a second pressure spring 19. The lower punch head 18 is slidably connected inside the die cylinder 12. The lower punch rod 17 is connected to the lower punch head 18. The second pressure spring 19 is sleeved on the outside of the lower punch rod 17. The two ends of the second pressure spring 19 are respectively connected to the lower punch rod 17 and the die cylinder 12. The upper end of the lower punch rod 17 is spherical.

[0031] When the lower turntable 2 drives the lower punch 16 to rotate and pass the protrusion of the guide rail 26, the lower punch rod 17 moves upward with the lower punch to push out the formed medicine in the mold cylinder 12. The pushed-out tablets fall into the guide groove under the action of the pusher plate 32. After the upper punch rod 7 rotates and passes the protrusion of the guide rail 26, the lower punch rod 17 moves upward and resets under the action of the second pressure spring 19.

[0032] See Figure 5The platform 21 includes a first platform 22 and a second platform 23. The first platform 22 and the second platform 23 are detachably connected to the lower turntable 2 and are installed on the lower turntable 2 from both sides of the rotating shaft 5. The first platform 22 and the second platform 23 are respectively provided with grooves, and the grooves cooperate to form a through groove 29 for the rotating shaft 5 to pass through.

[0033] The first plate 22 and the second plate 23 are provided with insert plates 24 on their sides. The lower turntable 2 is provided with slots 25 that cooperate with the insert plates 24. The lower turntable 2 is threaded with bolts 30 for fixing the insert plates 24, which serves to stabilize the first plate 22 and the second plate 23 on the lower turntable 2. When changing the mold cylinder 12 of different specifications and sizes, the first plate 22 and the second plate 23 can be removed by bolts 30, which makes it convenient for the mold cylinder 12 to be installed into the mounting slot 20.

[0034] The top of the control cabinet 4 is connected to a protective ring 31. The upper end of the protective ring 31 is slidably connected to the lower turntable 2. The guide rail 26 is located inside the protective ring 31, which plays a protective role and effectively prevents powdered drugs from accumulating on the guide rail 26.

[0035] Working principle: Powdered medicine is output from the discharge end of hopper 28 to the feeder 34 above the platform 21. The rotating shaft 5 rotates, driving the upper turntable 1, lower turntable 2, and platform 21 to rotate coaxially. When the lower turntable 2 and platform 21 rotate past the feeder 34 (not shown), the powdered medicine is pushed into the mold cylinder 12 under the action of the feeder 34 (not shown). When the upper punch 6 rotates past the pressure roller 3, the pressure roller 3 acts on the upper punch rod 7. The upper punch rod 7 moves down with the upper punch head and extends into the mold cylinder 12, applying pressure to the powdered medicine in the mold cylinder 12 to form the powdered medicine. After the upper punch 6 rotates past the pressure roller 3, the upper punch head 10 moves up and disengages from the mold cylinder 10 under the action of the first pressure spring 11. 2. As the lower turntable 2, carrying the lower punch 16, continues to rotate past the protrusion of the guide rail 26, the protrusion of the guide rail 26 pushes the lower punch head 18 upward through the lower punch rod 17, pushing the formed tablet out of the mold cylinder 12. The pusher plate 32 pushes the tablet out of the platform 21 and drops it into the discharge groove 33, continuously pressing and outputting tablets. When it is necessary to press tablets of different sizes, replace the upper punch head 10 of different sizes, remove the platform 21, and install the mold cylinder 12 with an inner diameter matching the diameter of the upper punch head 10. The mold cylinder 12 contains a lower punch 16 that matches its inner diameter. By replacing the upper punch head 10 of different sizes and the corresponding mold with the lower punch 16, tablets of different sizes can be pressed.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 pharmaceutical processing, characterized by: The system includes an upper turntable (1), a lower turntable (2), a pressure roller (3), and a control cabinet (4). The control cabinet (4) is rotatably connected to a rotating shaft (5) extending above it. The upper turntable (1) and the lower turntable (2) are respectively fixed to the rotating shaft (5). The upper turntable (1) is slidably connected circumferentially to several upper punches (6) with interchangeable punch heads of different specifications. The lower turntable (2) is detachably connected circumferentially to several die cylinders (12). Each die cylinder (12) is slidably connected to a lower punch (16) with a diameter matching its inner diameter. The lower turntable (2) is mounted on a platform (21) for stabilizing the die cylinders (12). The platform (21) has through holes corresponding to the die cylinders (12). The top of the control cabinet (4) is equipped with a guide rail (26) and a bracket (27). The lower punch (16) is slidably connected to the lower turntable (2). The bottom end of 6) is slidably connected to the guide rail (26). The pressure roller (3) is installed on the bracket (27). The pressure roller (3) cooperates with the upper punch (6) to push the upper punch (6) down to apply pressure to the powdered drug in the mold cylinder (12). The bracket (27) is equipped with a hopper (28) for feeding the mold cylinder (12). The lower punch (16) includes a lower punch rod (17), a lower punch head (18), and a second pressure spring (19). The lower punch head (18) is slidably connected to the mold cylinder (12). The lower punch rod (17) is connected to the lower punch head (18). The second pressure spring (19) is sleeved on the outside of the lower punch rod (17). The two ends of the second pressure spring (19) are respectively connected to the lower punch rod (17) and the mold cylinder (12).

2. A tablet press for pharmaceutical processing as defined in claim 1, characterized in that: The die cylinder (12) includes a cylinder body (13) and a support ring (14). The support ring (14) is connected to the cylinder body (13). The cylinder body (13) has a limiting ring (15) inside for limiting the sliding position of the lower punch (16).

3. A tablet press for pharmaceutical processing as defined in claim 1, characterized in that: The upper punch (6) includes an upper punch rod (7), an upper punch head (10), and a first pressure spring (11). The upper punch rod (7) is slidably connected to the upper turntable (1). The first pressure spring (11) is sleeved on the outside of the upper punch rod (7). The two ends of the first pressure spring (11) are respectively connected to the upper punch rod (7) and the upper turntable (1). The lower end of the upper punch rod (7) is detachably connected to the upper punch head (10).

4. A tablet press for pharmaceutical processing as defined in claim 3, characterized in that: The upper punch rod (7) includes a rod body (8) and a connecting ring (9), the connecting ring (9) is connected to the rod body (8), and the free end of the first pressure spring (11) is connected to the connecting ring (9).

5. A tablet press for pharmaceutical processing as defined in claim 1, wherein: The platform (21) includes a first platform (22) and a second platform (23). The first platform (22) and the second platform (23) are detachably connected to the lower turntable (2). The first platform (22) and the second platform (23) are respectively provided with grooves, which cooperate to form a through groove (29) for the rotating shaft (5) to pass through.

6. A tablet press for pharmaceutical processing as defined in claim 5, characterized in that: The side of the first platform (22) and the second platform (23) is provided with an insertion plate (24), the lower rotary table (2) is provided with an insertion groove (25) matched with the insertion plate (24), and the lower rotary table (2) is threadedly connected with a bolt (30) for fixing the insertion plate (24).

7. A tablet press for pharmaceutical processing as defined in claim 1, wherein: The top of the control cabinet (4) is connected with a protective ring (31), the upper end of the protective ring (31) is in sliding connection with the lower rotary table (2), and the guide rail (26) is located on the inner side of the protective ring (31).

Images