Feeding structure of a pharmaceutical dry granulation machine

Abstract

This utility model relates to the field of dry granulation machine technology and discloses a feeding structure for a pharmaceutical dry granulation machine, including a feeding cylinder. A limiting seat is provided at the bottom of the feeding cylinder, and multiple connecting rods are fixed to the surface of the limiting seat. The other end of each connecting rod is fixed to the inner wall of the feeding cylinder. In this feeding structure, the user installs a rotating rod to the top of a groove, and then installs an mounting plate to the top of the feeding cylinder. During installation, the connecting post at the bottom of the motor aligns with the connecting groove at the top of the rotating rod, thus connecting the motor and the rotating rod. This allows the motor to drive the rotating rod to rotate. The stirring rod installed on the surface of the rotating rod stirs the material inside the feeding cylinder, helping the material flow and preventing material bridging or rat holes, which could lead to poor or interrupted feeding, ensuring uniform feeding and stable granule quality.

Description

Technical Field

[0001] This utility model relates to the field of dry granulation machine technology, and in particular to a feeding structure for a pharmaceutical dry granulation machine. Background Technology

[0002] In the pharmaceutical industry, compared with wet granulation, dry granulation is simpler. The granules produced can be used directly without drying, saving manpower and resources and greatly improving work efficiency. The finished granules have uniform particle size, good appearance and flowability, and easy disintegration control, which facilitates subsequent processing and makes them easy to store and transport.

[0003] The existing feeding device lacks effective flow-aiding measures, which causes sticky, moisture-absorbing, and fine powdery materials to form arch bridges or rat holes in the hopper, resulting in poor or even interrupted feeding, uneven feeding, fluctuating output, and unstable particle quality. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing technology has the disadvantage that the feeding device lacks an effective flow-aiding function, and the material is prone to interruption in feeding. To this end, we propose a feeding structure for a pharmaceutical dry granulation machine.

[0005] To achieve the above objectives, this application adopts the following technical solution: a feeding structure for a pharmaceutical dry granulation machine, including a feeding cylinder, a limiting seat provided at the bottom of the feeding cylinder, multiple connecting rods fixed on the surface of the limiting seat, the other end of the connecting rods fixed to the inner wall of the feeding cylinder, a groove provided at the top of the limiting seat, a rotating rod rotatably connected to the top of the groove, several stirring rods fixed at the bottom of the rotating rod, an mounting plate installed at the top of the feeding cylinder, a motor installed at the top of the mounting plate, a second through hole for cooperating with the motor provided at the top of the mounting plate, a connecting column fixed through the second through hole at the output end of the motor, a connecting groove for cooperating with the connecting column provided at the top of the rotating rod, both the connecting column and the connecting groove being hexagonal structures.

[0006] Preferably, a support ring is fixed in the middle of the inside of the feed cylinder, and a filter plate is installed on the top of the support ring. A first through hole is opened at the axial position of the filter plate to be rotatably connected to the rotating rod.

[0007] Preferably, the length of the stirring rod decreases sequentially from top to bottom.

[0008] Preferably, protrusions are fixed on both sides of the outer surface of the feed cylinder, and limit posts are fixed at both ends of the top of the protrusions. Limiting holes that slide and connect with the limit posts are opened at the bottom of both ends of the mounting plate.

[0009] Preferably, both ends of the top of the mounting plate are fixed with housings. The bottom of the housing near the limit post has two third through holes that are slidably connected to the limit post. A fixing block is provided inside the housing. One end of the fixing block has two sliding holes. A sliding rod is slidably connected inside the sliding holes. Both ends of the sliding rod are fixed to the two ends of the inner wall of the housing. A control post is fixed to the top of the fixing block. The top of the housing has a stroke groove that cooperates with the control post. The surface of the limit post has a fixing groove that cooperates with the fixing block.

[0010] Preferably, a spring is fitted onto the surface of the slide rod, with one end of the spring fixed to the fixing block and the other end of the spring fixed to the inner wall of the housing.

[0011] Preferably, a limiting ring that works with the filter plate is fixed to the bottom of the mounting plate.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] In this invention, the user installs the rotating rod to the top of the groove, and then installs the mounting plate to the top of the feed cylinder. During the installation of the mounting plate, the connecting post at the bottom of the motor is connected to the connecting slot at the top of the rotating rod to complete the connection between the motor and the rotating rod. This allows the motor to drive the rotating rod to rotate, and the stirring rod installed on the surface of the rotating rod stirs the material inside the feed cylinder, thereby helping the material inside the feed cylinder to flow smoothly and avoiding the formation of arches or rat holes, which could lead to problems such as poor feeding or even interruption. This ensures uniform feeding and stable particle quality.

[0014] In this invention, a support ring is provided for support, and then the filter plate is installed on top of the support ring to filter the material, thereby removing larger impurities. The filter plate is connected to the rotating rod through the first through hole, allowing it to be fitted onto the surface of the rotating rod. While providing filtration, the filter plate also provides auxiliary support to the rotating rod, preventing it from tipping over when the mounting plate is not installed. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the disassembled structure of the feed cylinder and filter plate of this utility model;

[0017] Figure 3 This is a schematic diagram of the rotating rod and limiting seat structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the disassembled structure of the mounting plate and motor of this utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the shell of this utility model;

[0020] Figure 6 This is a partial cross-sectional view of the mounting plate of this utility model.

[0021] Legend: 1. Feed cylinder; 2. Support ring; 3. Filter plate; 4. First through hole; 5. Rotating rod; 6. Mounting plate; 7. Motor; 8. Second through hole; 9. Connecting column; 10. Connecting groove; 11. Stirring rod; 12. Protrusion; 13. Limiting column; 14. Limiting hole; 15. Housing; 16. Fixing block; 17. Sliding hole; 18. Sliding rod; 19. Control column; 20. Stroke groove; 21. Fixing groove; 22. Spring; 23. Limiting ring; 24. Limiting seat; 25. Connecting rod; 26. Groove; 27. Third through hole. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0023] Reference Figures 1-6As shown, this utility model provides a technical solution: a feeding structure for a pharmaceutical dry granulation machine, including a feeding cylinder 1, a limiting seat 24 at the bottom of the feeding cylinder 1, multiple connecting rods 25 fixed on the surface of the limiting seat 24, the other end of the connecting rods 25 fixed to the inner wall of the feeding cylinder 1, a groove 26 opened on the top of the limiting seat 24, a rotating rod 5 rotatably connected to the top of the groove 26, a plurality of stirring rods 11 fixed at the bottom of the rotating rod 5, an mounting plate 6 installed on the top of the feeding cylinder 1, a motor 7 installed on the top of the mounting plate 6, a second through hole 8 for cooperating with the motor 7 opened on the top of the mounting plate 6, a connecting post 9 fixed through the second through hole 8 at the output end of the motor 7, a connecting groove 10 for cooperating with the connecting post 9 opened on the top of the rotating rod 5, both the connecting post 9 and the connecting groove 10 are hexagonal structures, protrusions 12 are fixed on both sides of the outer surface of the feeding cylinder 1, and limiting posts 13 are fixed at both ends of the top of the protrusions 12, and the mounting plate 6 has a mounting plate 6 with ... Each bottom is provided with a limiting hole 14 that slides through the limiting post 13. The user installs the rotating rod 5 to the top of the groove 26, and then installs the mounting plate 6 to the top of the feeding cylinder 1. By connecting the limiting holes 14 at both ends of the mounting plate 6 with the limiting post 13, the mounting plate 6 can be limited after installation through the insertion of the limiting post 13 and the limiting hole 14, preventing the mounting plate 6 from rotating. When installing the mounting plate 6, the connecting post 9 at the bottom of the motor 7 is connected to the connecting groove 10 at the top of the rotating rod 5, thereby completing the connection between the motor 7 and the rotating rod 5. This allows the motor 7 to drive the rotating rod 5 to rotate. The stirring rod 11 installed on the surface of the rotating rod 5 stirs the material inside the feeding cylinder 1, thereby helping the material inside the feeding cylinder 1 to flow, avoiding material arching or rat holes, which could lead to poor feeding or even interruption, thus ensuring uniform feeding and stable particle quality.

[0024] Reference Figure 2 As shown in this embodiment: a support ring 2 is fixed in the middle of the inside of the feed cylinder 1, and a filter plate 3 is installed on the top of the support ring 2. A first through hole 4 is opened at the axial position of the filter plate 3, which is rotatably connected to the rotating rod 5. The support ring 2 provides support, and then the filter plate 3 is installed on the top of the support ring 2, which can filter the material and remove larger impurities. The filter plate 3 should be installed when the rotating rod 5 is installed and the mounting plate 6 is not installed on the top of the feed cylinder 1. The first through hole 4 is rotatably connected to the rotating rod 5, so that the filter plate 3 can be fitted on the surface of the rotating rod 5. While providing filtration, it can also provide auxiliary support for the rotating rod 5, and prevent the rotating rod 5 from tipping over when the mounting plate 6 is not installed.

[0025] Reference Figure 3As shown in this embodiment, the length of the stirring rod 11 decreases sequentially from top to bottom. This design allows the stirring rod 11 to fit more closely to the surface of the feed cylinder 1, thereby more fully stirring the material inside the feed cylinder 1.

[0026] Reference Figures 4-6 As shown in this embodiment: Both ends of the top of the mounting plate 6 are fixed with housings 15. Two third through holes 27 are opened at the bottom of the housing 15 near the limiting post 13, which are slidably connected to the limiting post 13. A fixing block 16 is installed inside the housing 15. Two sliding holes 17 are opened at one end of the fixing block 16. A sliding rod 18 is slidably connected inside the sliding holes 17. Both ends of the sliding rod 18 are fixed to the two ends of the inner wall of the housing 15. A control post 19 is fixed to the top of the fixing block 16. A stroke groove 20 is opened on the top of the housing 15 to cooperate with the control post 19. A groove is opened on the surface of the limiting post 13 to cooperate with the fixing block 16. The fixed groove 21 is suitable for use. When the mounting plate 6 is installed on the top of the feed cylinder 1 and the mounting plate 6 is limited by the insertion of the limiting post 13 and the limiting hole 14, the design of the limiting post 13, which is long enough to pass through the mounting plate 6 and enter the housing 15, can control the control post 19 to drive the fixing block 16 to engage with the fixed groove 21 opened on the surface of the limiting post 13, thereby limiting the mounting plate 6 longitudinally and preventing the mounting plate 6 from shaking up and down. The sliding hole 17 and the sliding rod 18 are slidably connected to guide and limit the movement trajectory of the fixing block 16, preventing the fixing block 16 from deviating when moving.

[0027] Reference Figure 5 As shown in this embodiment: a spring 22 is sleeved on the surface of the slide rod 18. One end of the spring 22 is fixed to the fixing block 16, and the other end of the spring 22 is fixed to the inner wall of the housing 15. By setting the spring 22, the fixing block 16 can be limited after it is inserted into the fixing groove 21, so as to prevent the fixing block 16 from detaching from the inside of the fixing groove 21.

[0028] Reference Figure 1 As shown in this embodiment: the bottom of the mounting plate 6 is fixed with a limiting ring 23 that works with the filter plate 3. By setting the limiting ring 23, when the mounting plate 6 is installed, it works with the support ring 2 to limit the filter plate 3 and prevent the filter plate 3 from moving up and down.

[0029] Working principle: The user installs the rotating rod 5 to the top of the groove 26, and then installs the mounting plate 6 to the top of the feed cylinder 1. By connecting the limiting holes 14 at the bottom of both ends of the mounting plate 6 with the limiting posts 13, the mounting plate 6 can be limited after installation through the insertion of the limiting posts 13 and the limiting holes 14, preventing the mounting plate 6 from rotating. When the mounting plate 6 is installed to the top of the feed cylinder 1 and limited by the insertion of the limiting posts 13 and the limiting holes 14, the design of the limiting posts 13, which are long enough to pass through the mounting plate 6 and enter the housing 15, allows the control post 19 to drive the fixing block 16 to engage with the fixing groove 21 on the surface of the limiting post 13, thus providing a longitudinal limit for the mounting plate 6 and preventing the mounting plate 6 from wobbling up and down. The sliding hole 17 connects with the sliding block 16 to the mounting plate 15. The sliding connection of rod 18 guides and limits the movement trajectory of fixed block 16, preventing deviation during movement. When mounting plate 6 is installed, the connecting post 9 at the bottom of motor 7 connects with the connecting groove 10 at the top of rotating rod 5, thus completing the connection between motor 7 and rotating rod 5. This allows motor 7 to drive rotating rod 5 to rotate. The stirring rod 11 installed on the surface of rotating rod 5 stirs the material inside feed cylinder 1. The design of the stirring rod 11 decreasing in length from top to bottom allows it to fit more closely to the surface of feed cylinder 1, thus more thoroughly stirring the material inside feed cylinder 1. This helps the material inside feed cylinder 1 to flow smoothly, preventing material arching or rat holes that could lead to poor or even interrupted feeding, ensuring uniform feeding and stable particle quality.

[0030] 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.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 feeding structure for a pharmaceutical dry granulation machine, comprising a feeding cylinder, characterized in that: A limiting seat is provided at the bottom of the inside of the feed cylinder. Multiple connecting rods are fixed on the surface of the limiting seat. The other end of the connecting rod is fixed to the inner wall of the feed cylinder. A groove is provided on the top of the limiting seat. A rotating rod is rotatably connected to the top of the groove. Several stirring rods are fixed to the bottom of the rotating rod. An mounting plate is installed on the top of the feed cylinder. A motor is installed on the top of the mounting plate. A second through hole for use with the motor is provided on the top of the mounting plate. A connecting column is fixed through the second through hole at the output end of the motor. A connecting groove for use with the connecting column is provided on the top of the rotating rod. Both the connecting column and the connecting groove are hexagonal structures.

2. The feeding structure of a pharmaceutical dry granulation machine according to claim 1, characterized in that: A support ring is fixed in the middle of the inside of the feed cylinder, and a filter plate is installed on the top of the support ring. A first through hole is opened at the axial position of the filter plate, which is rotatably connected to the rotating rod.

3. The feeding structure of a pharmaceutical dry granulation machine according to claim 1, characterized in that: The length of the stirring rod decreases sequentially from top to bottom.

4. The feeding structure of a pharmaceutical dry granulation machine according to claim 1, characterized in that: Both sides of the outer surface of the feed cylinder are fixed with protrusions, and the top two ends of the protrusions are fixed with limit posts. The bottom of both ends of the mounting plate are provided with limit holes that are slidably connected to the limit posts.

5. The feeding structure of a pharmaceutical dry granulation machine according to claim 1, characterized in that: Both ends of the top of the mounting plate are fixed with housings. Two third through holes are opened at the bottom of the housing near the limiting post, which are slidably connected to the limiting post. A fixing block is provided inside the housing. Two sliding holes are opened at one end of the fixing block. A sliding rod is slidably connected inside the sliding holes. Both ends of the sliding rod are fixed to the two ends of the inner wall of the housing. A control post is fixed at the top of the fixing block. A stroke groove is opened at the top of the housing to cooperate with the control post. A fixing groove is opened on the surface of the limiting post to cooperate with the fixing block.

6. The feeding structure of a pharmaceutical dry granulation machine according to claim 5, characterized in that: A spring is fitted onto the surface of the slide rod. One end of the spring is fixed to the fixing block, and the other end of the spring is fixed to the inner wall of the housing.

7. The feeding structure of a pharmaceutical dry granulation machine according to claim 1, characterized in that: The bottom of the mounting plate is fixed with a limiting ring that works in conjunction with the filter plate.

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