A quantitative discharging device for medicine powder tabletting

Abstract

This utility model discloses a quantitative feeding device for pharmaceutical powder tableting, comprising a feeding platform fixedly connected to the processing area of ​​a tablet press; a compression mold adapted to the tablet press is fixedly connected to the front side of the inner cavity of the feeding platform; a drug storage tank is opened on the rear side of the top of the feeding platform; a feeding frame is slidably connected to the inner cavity of the drug storage tank; a fixing frame is fixedly connected to the center of the top of the feeding platform; a pushing component is provided on the rear side of the top of the feeding platform; and fixing plates are welded to the front and rear ends of both sides of the feeding frame. This utility model uses the pushing component to push the feeding frame, so that the feeding frame conveys the pharmaceutical powder in the inner cavity of the drug storage tank to the top of the compression mold. Through the combined use of the fixing plate, guide pin, and corrugated groove, the top of the compression mold is ensured to be full of pharmaceutical powder. Finally, through the combined use of the feeding frame and the pushing component, excess pharmaceutical powder is collected, thus achieving the purpose of sufficient and quantitative feeding.

Description

Technical Field

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

[0002] Compressing powdered medicine into tablets is a common form of pharmaceutical preparation, mainly to make it easier for patients to take the medicine and to give the medicine a fixed dosage and shape. For example, after the powdered medicine is made into tablets, patients can take the prescribed dosage accurately according to the doctor's instructions, unlike powdered medicine which is difficult to measure precisely. At the same time, the form of tablets is easy to store, transport and package, and increases the stability of the medicine.

[0003] In the process of producing pharmaceutical powder tablets, if there is a deviation in the amount of material fed, it will cause differences in the specifications of the tablets, and may even lead to unstable tablet quality, affecting the efficacy and safety of the drug. Therefore, it is necessary to provide a quantitative feeding device for pharmaceutical powder tablets, which uses shaking and flooding to ensure sufficient feeding, and achieves quantitative feeding through residual material recovery, thereby improving the quality and stability of tablet production. Utility Model Content

[0004] The purpose of this invention is to provide a quantitative feeding device for pharmaceutical powder tableting, which uses shaking and flooding methods to ensure sufficient feeding and achieves quantitative feeding through residual material recovery, thereby improving the quality and stability of tablet production and solving the above-mentioned technical problems.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A quantitative feeding device for pharmaceutical powder tableting includes a feeding platform fixedly connected to the processing area of ​​a tableting machine; a pressing mold adapted to the tableting machine is fixedly connected to the front side of the inner cavity of the feeding platform; a drug storage groove is opened on the rear side of the top of the feeding platform; a feeding frame is slidably connected to the inner cavity of the drug storage groove; a fixing frame is fixedly connected to the center of the top of the feeding platform; a pushing component is provided on the rear side of the top of the feeding platform; fixing plates are welded to the front and rear ends of both sides of the feeding frame; a guide pin is rotatably connected to the bottom of the fixing plate; and wave-shaped grooves adapted to the guide pins are opened on both sides of the top of the feeding platform.

[0006] Preferably, the propulsion assembly includes a stepper motor installed on the rear side of the unloading platform, and a threaded rod is rotatably connected to the rear side of the fixing frame via a bearing. The rear end of the threaded rod extends through to the rear side of the unloading platform and is fixedly connected to the output shaft of the stepper motor. A threaded sleeve is threadedly connected to the surface of the threaded rod.

[0007] Preferably, two connecting sleeves are welded to the rear side of the top of the unloading rack, and sliding pins are fixedly connected to both sides of the threaded sleeves, with the sliding pins slidably connected in the inner cavity of the connecting sleeves.

[0008] Preferably, a spring is fitted onto the surface of the sliding pin, one end of the spring is welded to the connecting sleeve, and the other end of the spring is welded to the sliding pin.

[0009] Preferably, a feeding pipe is fixedly installed on the rear side of the top of the tablet press, and the feeding pipe is located directly above the drug storage tank.

[0010] The beneficial effects of this utility model are:

[0011] 1. This utility model uses a propulsion component to push the feeding rack, which transports the powder in the medicine storage tank to the top of the pressing mold. The combination of the fixing plate, guide pin, and corrugated slide ensures that the top of the pressing mold is full of powder. Finally, the excess powder is collected by the combination of the feeding rack and the propulsion component, thus achieving the purpose of sufficient feeding and quantitative feeding.

[0012] 2. This utility model, through the setting of the propulsion component, in which the stepper motor and the threaded rod work together to propel the threaded sleeve, and at the same time, the working combination of the connecting sleeve and the sliding pin can prevent the left and right movement of the unloading frame during the propulsion process, so that the unloading frame can still swing left and right during the back and forth movement. In addition, with the cooperation of the spring, the unloading frame has an elastic propulsion effect, so that the unloading frame can actively make movement trends according to the changes in the shape of the inner cavity of the wave groove. Attached Figure Description

[0013] in:

[0014] Figure 1 This is a side cross-sectional view of one embodiment of the present invention;

[0015] Figure 2 This is a three-dimensional schematic diagram of a feeding platform, a pressing mold, and a propulsion assembly according to one embodiment of the present invention;

[0016] Figure 3 This is a three-dimensional schematic diagram of a material feeding platform and a fixing frame according to an embodiment of the present invention;

[0017] Figure 4 This is a three-dimensional exploded view of the unloading rack and propulsion assembly according to one embodiment of the present invention.

[0018] The attached diagram lists the components represented by each number as follows:

[0019] 1. Tableting machine, 2. Feeding platform, 3. Pressing mold, 4. Drug storage tank, 5. Feeding rack, 6. Fixing frame, 7. Propulsion assembly, 71. Stepper motor, 72. Threaded rod, 73. Threaded sleeve, 74. Connecting sleeve, 75. Sliding pin, 76. Spring, 8. Fixing plate, 9. Guide sliding pin, 10. Wave-shaped slide, 11. Feeding pipe. Detailed Implementation

[0020] In the following description, embodiments of the quantitative feeding device for pharmaceutical powder tableting according to the present invention will be described with reference to the accompanying drawings.

[0021] Figure 1-4 This invention illustrates a quantitative feeding device for pharmaceutical powder tableting according to an embodiment of the present invention. It includes a feeding platform 2 fixedly connected to the processing area of ​​a tablet press 1. A compression mold 3 adapted to the tablet press 1 is fixedly connected to the front side of the inner cavity of the feeding platform 2. A drug storage tank 4 is provided on the rear side of the top of the feeding platform 2. A feeding pipe 11 is fixedly installed on the rear side of the top of the tablet press 1, located directly above the drug storage tank 4. A feeding rack 5 is slidably connected to the inner cavity of the drug storage tank 4. A fixing frame 6 is fixedly connected to the center of the top of the feeding platform 2. A pushing assembly 7 is provided on the rear side of the top of the feeding platform 2. The pushing assembly 7 includes a stepper motor 71 installed on the rear side of the feeding platform 2. A threaded rod 72 is rotatably connected to the rear side of the fixing frame 6 via a bearing. The rear end of the threaded rod 72 extends through to the rear side of the feeding platform 2 and is fixedly connected to the output shaft of the stepper motor 71. A threaded sleeve 73 is threadedly connected to the surface of the threaded rod 72. Two connecting sleeves 74 are welded to the rear side of the top of the feeding rack 5. Both sides of the threaded sleeve 73 are fixedly connected to... A sliding pin 75 is slidably connected in the inner cavity of the connecting sleeve 74. A spring 76 is sleeved on the surface of the sliding pin 75. One end of the spring 76 is welded to the connecting sleeve 74, and the other end of the spring 76 is welded to the sliding pin 75. Through the setting of the pushing component 7, the stepper motor 71 and the threaded rod 72 work together to push the threaded sleeve 73. At the same time, the working combination of the connecting sleeve 74 and the sliding pin 75 can prevent the left and right movement of the unloading frame 5 from being obstructed during the pushing process, so that the unloading frame 5 can still swing left and right during the back and forth movement. With the cooperation of the spring 76, the unloading frame 5 has an elastic pushing effect, so that the unloading frame 5 can actively make movement trends according to the shape changes of the inner cavity of the corrugated groove 10. The front and rear ends of both sides of the unloading frame 5 are welded with fixing plates 8. The bottom of the fixing plate 8 is rotatably connected to the guide sliding pin 9. Corrugated grooves 10 adapted to the guide sliding pin 9 are opened on both sides of the top of the unloading platform 2.

[0022] Working Principle: In use, the user conveys the powdered medicine into the inner cavity of the storage tank 4 through the feeding pipe 11. Then, the stepper motor 71 is turned on, causing the threaded rod 72 to rotate. During rotation, the threaded rod 72 pushes the threaded sleeve 73 forward through its surface threads. The threaded sleeve 73, through the cooperation of the sliding pin 75 and the connecting sleeve 74, drives the feeding frame 5 to slide forward. This causes the feeding frame 5 to push the powdered medicine in the inner cavity of the storage tank 4 forward. During the forward displacement of the feeding frame 5, the guide pin 9 slides in the inner cavity of the corrugated groove 10. Driven by the corrugated trajectory of the inner wall of the corrugated groove 10, the feeding frame 5 moves forward... During the process, the material sways left and right, while the connecting sleeve 74 slides back and forth on the surface of the sliding pin 75. The spring 76 repeatedly expands and contracts. After the feeding rack 5 moves to the top of the pressing mold 3, the powder in its inner cavity falls into the mold hole on the surface of the pressing mold 3. At the same time, the shaking feeding rack 5 can drive the powder to move left and right on the top of the pressing mold 3, thereby ensuring that each mold hole is filled with powder. Then the stepper motor 71 rotates in the opposite direction, and through the cooperation of the threaded rod 72 and the threaded sleeve 73, it drives the feeding rack 5 to slide back and reset, so that the excess powder is returned to the inner cavity of the medicine storage tank 4, thus achieving the purpose of quantitative feeding to the top of the pressing mold 3.

[0023] In summary, this quantitative feeding device for tableting uses a pusher assembly 7 to advance the feeding rack 5, which then transports the powder from the storage tank 4 to the top of the compression mold 3. The fixed plate 8, guide pin 9, and corrugated chute 10 work together to ensure the top of the compression mold 3 is filled with powder. Finally, the feeding rack 5 and pusher assembly 7 work together to retract excess powder, thus achieving sufficient and quantitative feeding.

Claims

1. A quantitative feeding device for compressing pharmaceutical powder into tablets, characterized in that, The feeding platform (2) is fixedly connected to the processing area of ​​the tablet press (1): a pressing mold (3) adapted to the tablet press (1) is fixedly connected to the front side of the inner cavity of the feeding platform (2), a drug storage tank (4) is opened on the rear side of the top of the feeding platform (2), a feeding rack (5) is slidably connected to the inner cavity of the drug storage tank (4), a fixing frame (6) is fixedly connected to the center of the top of the feeding platform (2), a pushing component (7) is provided on the rear side of the top of the feeding platform (2), a fixing plate (8) is welded to the front and rear ends of both sides of the feeding rack (5), a guide pin (9) is rotatably connected to the bottom of the fixing plate (8), and a wave-shaped groove (10) adapted to the guide pin (9) is opened on both sides of the top of the feeding platform (2).

2. The quantitative feeding device for pharmaceutical powder tableting according to claim 1, characterized in that, The propulsion assembly (7) includes a stepper motor (71) installed on the rear side of the unloading platform (2). The rear side of the fixing frame (6) is rotatably connected to a threaded rod (72) via a bearing. The rear end of the threaded rod (72) extends through to the rear side of the unloading platform (2) and is fixedly connected to the output shaft of the stepper motor (71). A threaded sleeve (73) is threadedly connected to the surface of the threaded rod (72).

3. The quantitative feeding device for pharmaceutical powder tableting according to claim 2, characterized in that, Two connecting sleeves (74) are welded to the rear side of the top of the unloading rack (5). Sliding pins (75) are fixedly connected to both sides of the threaded sleeve (73), and the sliding pins (75) are slidably connected in the inner cavity of the connecting sleeve (74).

4. The quantitative feeding device for pharmaceutical powder tableting according to claim 3, characterized in that, A spring (76) is fitted on the surface of the sliding pin (75). One end of the spring (76) is welded to the connecting sleeve (74), and the other end of the spring (76) is welded to the sliding pin (75).

5. The quantitative feeding device for pharmaceutical powder tableting according to claim 4, characterized in that, A feeding pipe (11) is fixedly installed on the rear side of the top of the tablet press (1), and the feeding pipe (11) is located directly above the drug storage tank (4).

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