Scraping mechanism of rotary tablet press

Abstract

The utility model belongs to the technical field of pharmaceutical machinery, and particularly relates to a scraping mechanism of a rotary tablet press, which comprises a machine body, a top plate, an upper guide rail disc, an upper turntable, a material disc, a lower turntable and a lower guide rail disc are sequentially arranged above the machine body from top to bottom, a plurality of upper punches are circumferentially mounted on the upper turntable, and a plurality of lower punches are circumferentially mounted on the lower turntable. The top of the upper punch is slidably connected with the upper guide rail disc, a plurality of lower punches are mounted on the lower rotary disc in the circumferential direction, the bottoms of the lower punches are slidably connected with the lower guide rail disc, the tops of the lower punches are embedded into the material disc, a scraping assembly is arranged on the material disc, and the scraping assembly is used for scraping materials attached to the bottoms of the upper punches. The scraping assembly comprises a cleaning rotary disc, and bristles are arranged on the rotary disc.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceutical machinery, and particularly relates to a scraping mechanism of a rotary tablet press. Background Art

[0002] A rotary tablet press is a machine that presses granular medicine into tablet columns, and is widely used in the fields of pharmacy, chemical industry, food, etc. The tablet press uses upper and lower punches to extrude the powder in the mold into tablets. In the actual tablet pressing process, if the material is too sticky, wet or greasy, it will adhere to the upper punch. When there is material adhering to the upper punch, on the one hand, the material adhering to the upper punch may fall into the mold when pressing the next tablet product, resulting in uneven product quality. On the other hand, the material adhering to the upper punch may become more and more, causing the upper punch to get stuck in the mold. Therefore, the utility model provides a rotary tablet press with a scraping mechanism that can scrape the material adhering to the upper punch. Content of the Utility Model

[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a scraping mechanism of a rotary tablet press, a capsule polishing machine and a medical metal detector.

[0004] A scraping mechanism of a rotary tablet press includes a machine body. Above the machine body, there are successively a top plate, an upper guide rail disk, an upper turntable, a material disk, a lower turntable and a lower guide rail disk from top to bottom. A plurality of upper punches are circumferentially installed on the upper turntable, the top of the upper punch is slidably connected with the upper guide rail disk, a plurality of lower punches are circumferentially installed on the lower turntable, the bottom of the lower punch is slidably connected with the lower guide rail disk, the top of the lower punch is embedded in the material disk, and a scraping assembly is arranged on the material disk. The scraping assembly is used for scraping the material adhering to the bottom of the upper punch. The scraping assembly includes a cleaning turntable, and brush hairs are arranged on the turntable.

[0005] The cleaning turntable is connected with a first gear through a rotating shaft, the first gear meshes with a second gear, the first gear and the second gear are rotatably installed on a base, the second gear is connected with a driving motor, the driving motor is installed on a bracket, and the bracket is installed on the base.

[0006] The brush hairs are radially distributed on the upper end surface of the cleaning turntable with the axis of the cleaning turntable as the center.

[0007] A material suction port is arranged on the base, a cavity communicated with the material suction port is arranged on the base, and the open end of the base is connected with a dust collection device through a pipeline.

[0008] Due to the adoption of the above technical solution, the beneficial technical effects of the present utility model are as follows: In the present utility model, the upper punch and the lower punch move along the upper guide disk and the lower guide disk respectively. During the movement, the powder in the material disk is extruded into a sheet structure, and the sheet-shaped material is ejected from the material groove on the material disk by the lower punch. During the rotation of the material disk, the sheet-shaped material completes the blanking through the blanking channel. The upper punch passes through the scraping assembly driven by the upper turntable, and the bristles on the scraping assembly clean the material at the bottom of the upper punch, which is beneficial to improving the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic structural diagram of a rotary tablet press of the present utility model;

[0010] Figure 2 It is a front view of a rotary tablet press of the present utility model;

[0011] Figure 3 It is a schematic structural diagram of the scraping assembly in the present utility model;

[0012] Figure 4 It is a front view of the scraping assembly in the present utility model.

[0013] In the figure: 1. Top plate, 2. Upper guide disk, 3. Upper turntable, 4. Material disk, 5. Lower turntable, 6. Lower guide disk, 7. Upper punch, 8. Lower punch, 9. Cleaning turntable, 10. Bristles, 11. First gear, 12. Second gear, 13. Base, 14. Driving motor, 15. Bracket, 16. Suction port, 17. Cavity, 18. Machine body. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] In order to more clearly illustrate the technical solution of the present utility model, the present utility model will be further described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the present utility model. For those of ordinary skill in the art, without creative efforts, other embodiments obtained based on this drawing and embodiment belong to the protection scope of the present utility model.

[0015] According to Figures 1-4As shown in the figure, a scraping mechanism of a rotary tablet press includes a machine body 18. Above the machine body 18, there are successively a top plate 1, an upper guide rail disk 2, an upper turntable 3, a material disk 4, a lower turntable 5, and a lower guide rail disk 6 from top to bottom. A number of upper punches 7 are circumferentially installed on the upper turntable 3. The top of the upper punch 7 is slidably connected to the upper guide rail disk 2. A number of lower punches 8 are circumferentially installed on the lower turntable 5. The bottom of the lower punch 8 is slidably connected to the lower guide rail disk 6. The top of the lower punch 8 is embedded in the material disk 4. A scraping assembly is provided on the material disk 4. The scraping assembly is used to scrape the material adhering to the bottom of the upper punch 7. The scraping assembly includes a cleaning turntable 9, and there are bristles 10 on the turntable.

[0016] In the above specific embodiment, the upper punch 7 and the lower punch 8 move along the upper guide rail disk 2 and the lower guide rail disk 6 respectively. During the movement, the powder in the material disk 4 is extruded into a sheet structure, and the sheet-shaped material is pushed out of the material groove on the material disk 4 by the lower punch 8. During the rotation of the material disk 4, the sheet-shaped material completes the blanking through the blanking channel. Then, the upper punch 7 passes through the scraping assembly driven by the upper turntable 3, and the bristles 10 on the scraping assembly clean the material at the bottom of the upper punch 7, which is beneficial to improving the product quality.

[0017] It should be noted that the movement of the upper punch 7 and the lower punch 8 along the upper guide rail disk 2 and the lower guide rail disk 6 respectively is the prior art, and the power mechanism for driving the rotation of the upper turntable 3, the material disk 4, and the lower turntable 5 is the prior art, which will not be elaborated here, and its structure is not shown in detail in the drawings either.

[0018] The cleaning turntable 9 is connected to a first gear 11 through a rotating shaft. The first gear 11 meshes with a second gear 12. The first gear 11 and the second gear 12 are rotatably installed on a base 13. The second gear 12 is connected to a driving motor 14. The driving motor 14 is installed on a bracket 15. The bracket 15 is installed on the base 13. Starting the driving motor 14 drives the second gear 12 to rotate. The second gear 12 meshes with the first gear 11, and the first gear 11 drives the cleaning turntable 9 to rotate, so that the bristles on the cleaning turntable 9 clean the passing upper punch 7.

[0019] It should be noted that the scraping assembly is fixedly installed on a fixing frame (not shown in the figure).

[0020] The bristles 10 are radially distributed on the upper end surface of the cleaning turntable 9 with the axis of the cleaning turntable 9 as the center.

[0021] A material suction port 16 is provided on the base 13. A cavity 17 communicating with the material suction port 16 is provided on the base 13. The open end of the base 13 is connected to a dust collection device through a pipeline. The cleaned material enters the cavity 17 through the material suction port 16 and is discharged through the dust collection device.

[0022] The above embodiments are only exemplary embodiments of the present utility model and are not used to limit the present utility model. The protection scope of the present utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements within the essence and protection scope of the present utility model, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present utility model.

Claims

1. A scraping mechanism for a rotary tablet press, comprising a body (18), characterized in that: The upper part of the machine body (18) comprises, from top to bottom, a top plate (1), an upper guide plate (2), an upper turntable (3), a material plate (4), a lower turntable (5) and a lower guide plate (6); a plurality of upper punches (7) are circumferentially mounted on the upper turntable (3); the top of the upper punches (7) are slidably connected to the upper guide plate (2); a plurality of lower punches (8) are circumferentially mounted on the lower turntable (5); the bottom of the lower punches (8) are slidably connected to the lower guide plate (6); the top of the lower punches (8) are embedded in the material plate (4); a scraping assembly is provided on the material plate (4); the scraping assembly is used to scrape off material adhering to the bottom of the upper punches (7); the scraping assembly comprises a cleaning turntable (9); and bristles (10) are provided on the turntable.

2. A scraping mechanism for a rotary tablet press according to claim 1, characterized in that: The cleaning turntable (9) is connected to a first gear (11) via a rotating shaft; the first gear (11) is meshed with a second gear (12); the first gear (11) and the second gear (12) are rotatably mounted on a base (13); the second gear (12) is connected to a driving motor (14); the driving motor (14) is mounted on a bracket (15); and the bracket (15) is mounted on the base (13).

3. A scraping mechanism for a rotary tablet press according to claim 2, characterized in that: The bristles (10) are radially distributed on the upper end surface of the cleaning turntable (9) with the axis of the cleaning turntable (9) as the center.

4. A scraping mechanism for a rotary tablet press according to claim 3, characterized in that: The base (13) is provided with a suction port (16), the base (13) is provided with a cavity (17) communicated with the suction port (16), and the open end of the base (13) is connected to a dust collecting device via a pipeline.

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