A rotary tablet press

Abstract

The utility model relates to the technical field of pharmaceutical engineering, concretely is a rotary tablet press, including host computer, the host computer is installed for rotating punch tablet's rotary punch unit, the middle part fixed mounting of rotary punch unit has the middle die, one side of the middle die is equipped with the collection subassembly for collecting waste material, the inside installation of collection subassembly is used for the cleaning assembly for rotating the brush punch, through setting boss, cleaning assembly and collection subassembly, in the process of tableting by boss hoist down punch, thereby cleaning the material adhered to the surface of two punches simultaneously, avoid its interference subsequent tableting, guarantee the quality stability of every piece of medicine, ensure that every time punch can obtain good punch surface, improve the overall quality of product, simultaneously, the brush and the scraping strip rotate the brush punch surface, can scrape off and sweep away the material adhered to the punch surface, effectively clean the punch surface, guarantee cleaning effect.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical engineering technology, and in particular to a rotary tablet press. Background Technology

[0002] Rotary tablet presses are widely used in the pharmaceutical, food, and chemical industries. They are mainly used to compress powdered or granular raw materials into tablets. Their core features are high efficiency and continuous production, making them suitable for large-scale industrial needs.

[0003] A rotary tablet press disclosed in Chinese Patent Publication No. CN222220657U can recover residual powder on the pressing equipment through a set recovery mechanism. At the same time, it can filter and collect the residual powder through a set coarse screen and a fine screen to prevent it from accumulating for a long time and affecting the equipment. However, according to the rotary tablet press provided by related technologies and existing technologies, in actual tableting operations, if the material has characteristics such as excessive viscosity, high humidity, or excessive oil content, it is very easy to adhere to the surface of the punch. Once the punch is attached to the material, it may fall off the punch and into the mold during the next tablet pressing. This will not only lead to inconsistent product quality, but also have an adverse effect on the surface quality of the tablets pressed in subsequent pressings, thereby reducing the overall product quality and production efficiency. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art, solve the problems mentioned in the background art, and provide a rotary tablet press.

[0005] The purpose of this utility model is achieved through the following technical solution: a rotary tablet press, including a main unit, wherein a rotary pressing unit for rotating and pressing tablets is installed inside the main unit, a middle mold is fixedly installed in the middle of the rotary pressing unit, a collection component for collecting waste is provided on one side of the middle mold, a cleaning component for rotating and scraping punches is installed inside the collection component, a plurality of upper punches are slidably installed on the top of the rotary pressing unit, and a plurality of lower punches corresponding to the upper punches are slidably installed on the bottom of the rotary pressing unit.

[0006] Preferably, the collection assembly includes a splash guard that overlaps with the intermediate mold, a collection hopper is fixedly provided at the bottom of the splash guard, four support legs are fixedly provided at the bottom of the collection hopper, the collection hopper is fixed inside the main unit by the four support legs, and one side is in contact with the edge of the intermediate mold.

[0007] Preferably, the cleaning assembly includes a fixed frame fixed to the bottom of the splash guard, a motor is installed in the middle of the fixed frame, a rotating frame is fixedly provided at the output end of the motor, a rotating ring is fixedly provided on the outside of the rotating frame, and multiple brushes are fixedly provided on the upper and lower sides of the rotating ring. A scraper is provided between two adjacent brushes, and the scraper is fixedly connected to the rotating ring.

[0008] Preferably, the main unit is fixedly provided with a travel rail below the plurality of lower punches, and the travel rail is fixedly provided with a boss at the position corresponding to the cleaning component.

[0009] Preferably, the main unit is located below the collection hopper and a collection box is movably mounted thereon.

[0010] Preferably, the top of the splash guard has a clearance groove for the passage of the upper punch.

[0011] Preferably, the plurality of the brushes are arranged in a circumferential array.

[0012] Preferably, the end of the scraper away from the rotating ring is tapered and inclined in the direction of rotation of the rotating ring.

[0013] Beneficial effects:

[0014] This rotary tablet press, by incorporating a boss, cleaning component, and collecting component, uses a boss to lift the lower punch during the tableting process. This simultaneously cleans the material adhering to the surfaces of both punches, preventing it from interfering with subsequent tableting, ensuring consistent quality of each tablet, and guaranteeing a good punching surface for each press, thus improving the overall product quality. Simultaneously, rotating brushes and scrapers scrape and remove material adhering to the punch surface, effectively cleaning the surface and ensuring a thorough cleaning. Attached Figure Description

[0015] 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.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the collecting component of this utility model;

[0018] Figure 3 This is a schematic diagram showing the installation position of the cleaning component of this utility model;

[0019] Figure 4 This is a schematic diagram of the cleaning component of this utility model;

[0020] Figure 5 This utility model Figure 4 A magnified schematic diagram of the partial structure at point A in the middle;

[0021] Figure 6 This is a schematic diagram showing the state of the lower punch of this utility model as it passes through the cleaning assembly.

[0022] In the diagram: 1. Main unit; 2. Rotary stamping unit; 3. Upper punch; 4. Lower punch; 5. Stroke track; 6. Boss; 7. Collection assembly; 71. Splash guard; 72. Collection hopper; 73. Support leg; 8. Cleaning assembly; 81. Fixing frame; 82. Motor; 83. Rotating frame; 84. Rotating ring; 85. Brush; 86. Scraper; 9. Middle die; 10. Relief groove; 11. Collection box. Detailed Implementation

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Additional aspects and advantages of this invention will be further set forth in the description which follows in conjunction with the accompanying drawings, in part of which will be obvious from the description or may be learned by practice of the invention.

[0025] like Figures 1 to 6As shown, a rotary tablet press includes a main unit 1. A rotary pressing unit 2 for rotating and pressing tablets is installed inside the main unit 1. A middle mold 9 is fixedly installed in the middle of the rotary pressing unit 2. A collection component 7 for collecting waste material is provided on one side of the middle mold 9. A cleaning component 8 for rotating and scraping punches is installed inside the collection component 7. Multiple upper punches 3 are slidably installed on the top of the rotary pressing unit 2, and multiple lower punches 4 corresponding to the upper punches 3 are slidably installed on the bottom of the rotary pressing unit 2. A travel rail 5 is fixedly installed below the multiple lower punches 4 on the main unit 1. The travel rail 5 corresponds to the cleaning component 8. The upper punch 3 and lower punch 4 are fixedly provided with bosses 6. After the upper punch 3 and lower punch 4 press the powder in the die hole of the middle die 9 under the control of the rotary stamping unit 2, they will rotate and pass through the area where the cleaning component 8 is located. During this process, the upper punch 3 enters the interior of the collecting component 7 and contacts the cleaning component 8 from above. The lower punch 4 is lifted by the bosses 6 provided on the stroke track 5, protrudes out of the die hole of the middle die 9, and contacts the cleaning component 8 from below. This allows the cleaning component 8 to clean the surfaces of the upper punch 3 and lower punch 4 at the same time, scraping off the material adhering to their surfaces and collecting it in the waste bin through the collecting component 7 for easy recycling.

[0026] like Figures 1 to 3 As shown, the collection component 7 includes a splash guard 71 that overlaps with the middle mold 9. A collection hopper 72 is fixedly provided at the bottom of the splash guard 71. Four support legs 73 are fixedly provided at the bottom of the collection hopper 72. The collection hopper 72 is fixed inside the main unit 1 by the four support legs 73, and one side is attached to the edge of the middle mold 9. A collection box 11 is movably provided below the collection hopper 72 in the main unit 1. A clearance groove 10 is provided on the top of the splash guard 71 for the upper punch 3 to pass through. The upper punch 3 enters the interior of the splash guard 71 through the clearance groove 10 and contacts the cleaning component 8. The lower punch 4 is lifted by the boss 6 provided on the stroke rail 5, protrudes out of the mold hole of the middle mold 9, and contacts the cleaning component 8, thereby realizing the cleaning of the upper punch 3 and the lower punch 4. Some of the cleaned material is directly splashed into the collection hopper 72, and some falls on the middle mold 9. As the middle mold 9 rotates, it is pushed down into the collection hopper 72 by the splash guard 71, and finally falls into the waste bin through the collection hopper 72 for collection, which is convenient for recycling.

[0027] like Figures 1 to 6As shown, the cleaning assembly 8 includes a mounting bracket 81 fixed to the bottom of the splash guard 71. A motor 82 is mounted in the middle of the mounting bracket 81. A rotating bracket 83 is fixedly mounted at the output end of the motor 82. A rotating ring 84 is fixedly mounted on the outside of the rotating bracket 83. Multiple brushes 85 are fixedly mounted on both the upper and lower sides of the rotating ring 84. A scraper 86 is provided between each pair of adjacent brushes 85. The scraper 86 is fixedly connected to the rotating ring 84. The multiple brushes 85 are arranged in a circumferential array. The end of the scraper 86 away from the rotating ring 84 is conical and inclined in the direction of rotation of the rotating ring 84. The upper punch 3 passes through a relief groove. 10 enters the splash guard 71 and contacts the brush 85 above. The lower punch 4 is lifted by the boss 6 on the travel rail 5, protruding from the die hole of the middle die 9 and contacting the brush 85 below. At this time, the fixed frame 81 supports the motor 82 to drive the rotating frame 83 to rotate the brush 85 on the fixed ring, so that the brush 85 continuously rubs the surface of the upper punch 3 and the lower punch 4 to clean the lightly adhered material on their surface. At the same time, the scraper 86 is driven by the rotating ring 84 to scrape the surface of the upper punch 3 and the lower punch 4 without moving, to clean the more firmly adhered material, ensuring the cleaning effect.

[0028] The work process is as follows:

[0029] S1: As Figure 1 As shown, after the upper punch 3 and lower punch 4 have finished punching the powder in the die hole of the middle die 9 under the control of the rotary punching unit 2, they will rotate and pass through the area where the splash shield 71 is located.

[0030] S2: As Figure 2 and Figure 3 As shown, during this process, the upper punch 3 enters the interior of the splash guard 71 through the clearance groove 10 and comes into contact with the brush 85 above.

[0031] S3: As Figure 6 As shown, the lower punch 4 is lifted by the boss 6 provided on the travel track 5, and its end protrudes upward out of the mold hole of the middle mold 9 and contacts the brush 85 below.

[0032] S4: As Figure 3 As shown, at this time, the fixed frame 81 supports the motor 82 to drive the rotating frame 83 to drive the brush 85 on the fixed ring to rotate, so that the brush 85 continuously rubs the surface of the upper punch 3 and the lower punch 4 to clean the lightly adhered material on their surface.

[0033] S5: As Figure 3 and Figure 5 As shown, at the same time, the scraper 86, driven by the rotating ring 84, scrapes the surfaces of the upper punch 3 and the lower punch 4 without moving, cleaning the materials that are firmly adhered, and ensuring the cleaning effect;

[0034] S6: As Figures 1 to 3As shown, some of the cleaned material splashes directly into the collection hopper 72, while some falls onto the intermediate mold 9. As the intermediate mold 9 rotates, it is pushed down into the collection hopper 72 by the splash guard 71, and finally falls into the waste bin through the collection hopper 72 for collection, making it easy to recycle.

[0035] In this application, the main unit 1, the rotary stamping unit 2, and the travel track 5 are known technologies in this field, and therefore their specific structures and working principles are not described in detail.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A rotary tablet press characterized by: Includes a host (1), in which a rotary stamping unit (2) for rotating and stamping tablets is installed, a middle mold (9) is fixedly installed in the middle of the rotary stamping unit (2), a collection component (7) for collecting waste is provided on one side of the middle mold (9), a cleaning component (8) for rotating and scraping punches is installed inside the collection component (7), a plurality of upper punches (3) are slidably installed on the top of the rotary stamping unit (2), and a plurality of lower punches (4) corresponding to the upper punches (3) are slidably installed on the bottom of the rotary stamping unit (2).

2. A rotary tablet press according to claim 1, characterized in that: The collection assembly (7) includes a splash shield (71) that overlaps with the middle mold (9). A collection hopper (72) is fixedly provided at the bottom of the splash shield (71). Four support legs (73) are fixedly provided at the bottom of the collection hopper (72). The collection hopper (72) is fixed inside the main unit (1) by the four support legs (73), and one side is in contact with the edge of the middle mold (9).

3. A rotary tablet press according to claim 2, characterized in that: The cleaning assembly (8) includes a fixing frame (81) fixed to the bottom of the splash shield (71). A motor (82) is installed in the middle of the fixing frame (81). A rotating frame (83) is fixed at the output end of the motor (82). A rotating ring (84) is fixed on the outside of the rotating frame (83). Multiple brushes (85) are fixed on the upper and lower sides of the rotating ring (84). A scraper (86) is provided between two adjacent brushes (85). The scraper (86) is fixedly connected to the rotating ring (84).

4. A rotary tablet press according to claim 1, characterized in that: The host (1) is fixedly provided with a travel rail (5) below the plurality of lower punches (4), and the travel rail (5) is fixedly provided with a boss (6) at the position corresponding to the cleaning component (8).

5. A rotary tablet press according to claim 2, characterized in that: The host (1) is located below the collection bucket (72) and has a collection box (11) movably mounted thereon.

6. A rotary tablet press according to claim 2, characterized in that: The top of the splash guard (71) is provided with a clearance groove (10) for the upper punch (3) to pass through.

7. A rotary tablet press according to claim 3, characterized in that: The multiple brushes (85) are arranged in a circular array.

8. A rotary tablet press according to claim 3, characterized in that: The end of the scraper (86) away from the rotating ring (84) is tapered and inclined in the direction of rotation of the rotating ring (84).

Images