Powder leakage prevention device of feeding mechanism of tablet press for sustained release tablet production

Abstract

The utility model discloses a powder leakage prevention device of a feeding mechanism of a tablet press for producing sustained release tablets, and relates to the technical field of tablet presses. The device comprises a feeding pipe; the outer wall of the material conveying pipe is fixedly connected with the inner wall of the feeding pipe; the outer side wall of the guide cylinder is fixedly connected with the inner side wall of the feeding pipe; the outer wall of the scattering device is fixedly connected with the outer wall of the guide cylinder; the outer wall and the inner wall of the blocking device are in sliding connection with the outer wall of the guide cylinder; the guide cylinder comprises a polymerization cylinder, a rotating hole is formed in the outer wall of the top of the polymerization cylinder, an inclined groove is formed in the side wall of the polymerization cylinder, a guide column is fixedly connected to the bottom end of the interior of the polymerization cylinder, and a limiting groove is formed in the inner wall of the polymerization cylinder. The phenomenon that powder overflows in the pressing process due to the fact that the discharged powder is accumulated at a certain position too high is avoided, and the purpose of preventing powder leakage is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tablet press technical field, concretely relates to a slow release tablet production is with tableting machine feeding mechanism anti -leakage powder device. BACKGROUND

[0002] In the slow release tablet production process, the feeding mechanism of the tablet press plays a vital role. However, the traditional feeding mechanism often has some problems. On the one hand, during the feeding process, due to the lack of effective flow guide measures, the discharge is uneven, which is easy to cause the accumulation of the medicine powder in a certain place to be too high, and the overflow of the medicine powder during the pressing process, causing the leakage problem, which not only affects the product quality, but also causes the waste of the material. On the other hand, the material is easy to be agglomerated, which affects the uniformity of the feeding, and the medicine powder is easy to be adhered to the inner wall of the feeding pipe, in addition, when the feeding needs to be stopped, the lack of effective plugging device makes it difficult to plug the feeding port in time, causing the leakage phenomenon difficult to control.

[0003] The utility model discloses a flow guide cylinder is set up, improves the accuracy and stability of feeding, makes the discharge even, prevents the leakage caused by the accumulation of the medicine powder in a certain place to be too high, the scattering rod in the scattering device prevents the agglomeration of the material, improves the uniformity of the material, and the scraping frame prevents the adhesion of the material to the inner wall of the feeding pipe, reduces the waste, and the plugging device can plug the feeding port in time according to the needs, prevents the leakage, and improves the reliability of production. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model adopts the technical scheme that a slow release tablet production is with tableting machine feeding mechanism anti -leakage powder device, which comprises: a feeding pipe; a material conveying pipe, the outer wall of the material conveying pipe is fixedly connected with the inner wall of the feeding pipe; a flow guide cylinder, the side wall outside the flow guide cylinder is fixedly connected with the side wall inside the feeding pipe; a scattering device, the outer wall of the scattering device is fixedly connected with the outer wall of the flow guide cylinder; a plugging device, the outer wall and the inner wall of the plugging device are slidingly connected with the outer wall of the flow guide cylinder; the flow guide cylinder comprises a polymerization cylinder, a rotating hole is formed in the outer wall of the top of the polymerization cylinder, an inclined groove is formed in the side wall of the polymerization cylinder, a guide column is fixedly connected to the bottom inside the polymerization cylinder, a limiting groove is formed in the inner wall of the polymerization cylinder, the inner wall of the polymerization cylinder is fixedly connected with the outer wall of the material conveying pipe, the side wall outside the polymerization cylinder is fixedly connected with the side wall inside the feeding pipe, the flow guide cylinder is arranged to improve the accuracy and stability of feeding, so that the discharge is even, and the leakage caused by the accumulation of the medicine powder in a certain place to be too high during the discharge is prevented.

[0005] Preferably, the scattering device comprises a servo motor, the output end of the servo motor is fixedly connected with a driving rod, the outer wall of the driving rod is fixedly connected with a scattering rod, the outer wall of the bottom of the driving rod is provided with a threaded groove, the bottom end of the driving rod is fixedly connected with a rotating column, the outer wall of the bottom of the rotating column is fixedly connected with a scraping frame, the side of the servo motor close to the driving rod is fixedly connected with the outer wall of the top of the polymerization cylinder, the outer wall of the driving rod is rotationally connected with the top of the polymerization cylinder through a rotating hole, the inner wall of the polymerization cylinder is rotationally connected with the outer wall of the rotating column through a limiting groove, and the outer wall of the bottom of the scraping frame is slidably connected with the side wall in the inside of the feeding pipe.

[0006] Preferably, the blocking device comprises a movable sleeve, the inner wall of the movable sleeve is fixedly connected with a threaded convex, the inner wall of the movable sleeve is slidably connected with the outer wall of a guide column through a limiting blind hole, the limiting blind hole is arranged in the wall of the movable sleeve, the outer wall of the top of the movable sleeve is provided with a flow guide inclined surface, the outer wall of the movable sleeve is slidably connected with the side wall in the inside of the polymerization cylinder, the outer wall of the threaded convex is threadedly connected with the outer wall of the driving rod through a threaded groove, and the inner wall of the movable sleeve is slidably connected with the outer wall of the driving rod.

[0007] The beneficial effects of the present application are as follows:

[0008] 1. The present application improves the accuracy and stability of feeding by arranging the flow guide cylinder, so that the discharging is uniform, and the powder is prevented from overflowing and leaking due to the excessive accumulation of the powder in some places during the pressing process.

[0009] 2. The scattering rod in the scattering device of the present application can prevent material from caking and improve the uniformity of the material, and the scraping frame can prevent the material from adhering to the inner wall of the feeding pipe, thereby reducing waste.

[0010] 3. The blocking device can timely block the feeding port according to the needs, prevent powder leakage, and improve the reliability during production. DRAWINGS

[0011] Figure 1 is the front view of the present application;

[0012] Figure 2 is the sectional view of the present application;

[0013] Figure 3 is the structural schematic view of the flow guide cylinder of the present application;

[0014] Figure 4 is the structural schematic view of the scattering device of the present application;

[0015] Figure 5 Figure 1 is a schematic diagram of the blocking device.

[0016] Figure 1 is a schematic diagram of the blocking device. DETAILED DESCRIPTION

[0017] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application, with various modifications as are suited to the particular use contemplated.

[0018] Embodiment: Please refer to Figure 1 Figure 5 The present application provides a technical solution: a tablet press feeding mechanism anti-dust device for sustained-release tablet production, comprising: a feeding pipe 1; a material conveying pipe 2, the outer wall of the material conveying pipe 2 is fixedly connected with the inner wall of the feeding pipe 1; a flow guide cylinder 3, the outer side wall of the flow guide cylinder 3 is fixedly connected with the inner side wall of the feeding pipe 1; a scattering device 4, the outer wall of the scattering device 4 is fixedly connected with the outer wall of the flow guide cylinder 3; a blocking device 5, the outer wall and the inner wall of the blocking device 5 are slidingly connected with the outer wall of the flow guide cylinder 3; the flow guide cylinder 3 comprises a polymerization cylinder 31, a rotating hole 32 is formed in the top outer wall of the polymerization cylinder 31, an inclined groove 33 is formed in the side wall of the polymerization cylinder 31, a guide column 34 is fixedly connected to the bottom inside of the polymerization cylinder 31, a limiting groove 35 is formed in the inner wall of the polymerization cylinder 31, the inner wall of the polymerization cylinder 31 is fixedly connected with the outer wall of the material conveying pipe 2, the outer side wall of the polymerization cylinder 31 is fixedly connected with the inner side wall of the feeding pipe 1, after the medicine powder in the material conveying pipe 2 enters the polymerization cylinder 31, the medicine powder flows in the polymerization cylinder 31, due to the shape of the polymerization cylinder 31 and the weight of the medicine powder, the medicine powder flows towards the bottom, and finally leaks out from the position of the inclined groove 33, the inclined groove 33 can guide the medicine powder to flow in all directions, which helps the uniform distribution of the medicine powder in the feeding pipe 1, so that the distribution of the medicine powder finally out of the feeding pipe 1 is more uniform, and the medicine powder is prevented from accumulating too much in a certain place, causing the medicine powder to overflow during the pressing process.

[0019] ​The dispersing device 4 comprises a servo motor 41, the output end of the servo motor 41 is fixedly connected with a driving rod 42, the outer wall of the driving rod 42 is fixedly connected with a dispersing rod 43, the outer wall of the bottom of the driving rod 42 is provided with a threaded groove 44, the bottom end of the driving rod 42 is fixedly connected with a rotating column 45, the outer wall of the bottom of the rotating column 45 is fixedly connected with a scraping frame 46, the side of the servo motor 41 close to the driving rod 42 is fixedly connected with the outer wall of the top of the polymerization cylinder 31, the outer wall of the driving rod 42 is rotationally connected with the top of the polymerization cylinder 31 through the rotating hole 32, the inner wall of the polymerization cylinder 31 is rotationally connected with the outer wall of the rotating column 45 through the limiting groove 35, the outer wall of the bottom of the scraping frame 46 is slidingly connected with the inner wall of the side of the feeding pipe 1, the servo motor 41 is started, and the output end of the servo motor 41 is rotated clockwise for a short time and then counterclockwise, and the driving rod 42 is driven to rotate in turn, the rotating driving rod 42 drives the dispersing rod 43 to rotate, the powder agglomerates entering the polymerization cylinder 31 are dispersed, the material is prevented from agglomerating, the powder is dispersed, and the material is more evenly distributed in the polymerization cylinder 31, the driving rod 42 stably rotates under the limitation of the limiting groove 35 through the rotating column 45, the scraping frame 46 at the bottom is slidingly connected with the inner wall of the side of the feeding pipe 1 in the rotating process, material adhered to the inner wall of the feeding pipe 1 can be scraped off, and material accumulation and waste are prevented.

[0020] The blocking device 5 comprises a movable sleeve 51, the inner wall of the movable sleeve 51 is fixedly connected with a threaded protrusion 52, the inner wall of the movable sleeve 51 is slidingly connected with the outer wall of the guide column 34 through the limiting blind hole 53, the limiting blind hole 53 is arranged in the wall of the movable sleeve 51, the outer wall of the top of the movable sleeve 51 is provided with a flow guide inclined surface 54, the outer wall of the movable sleeve 51 is slidingly connected with the inner wall of the side of the polymerization cylinder 31, the outer wall of the threaded protrusion 52 is threadedly connected with the outer wall of the driving rod 42 through the threaded groove 44, and the inner wall of the movable sleeve 51 is slidingly connected with the outer wall of the driving rod 42, when it is needed to stop feeding, the servo motor 41 is controlled to rotate in a single direction instead of being controlled to rotate in opposite directions, the movable sleeve 51 is controlled to slide upwards, and the outlet at the bottom of the polymerization cylinder 31 is blocked, so that the powder is prevented from leaking, when it is needed to feed, the movable sleeve 51 is controlled to slide downwards until the bottom surface is in contact with the bottom end in the polymerization cylinder 31, the dispersing rod 43 can also accelerate the flow of the powder when it is static, the flow guide inclined surface 54 cooperates with the inclined groove 33 to guide the material flow when the material flows, and the material flows more smoothly.

[0021] Working principle:

[0022] In use, the polymerizing cylinder 31 in the flow guide 3 plays a role in guiding the material flow and gathering the material. After the medicine powder in the feeding pipe 2 enters the polymerizing cylinder 31, the medicine powder flows in the polymerizing cylinder 31. Due to the shape of the polymerizing cylinder 31 and the weight of the medicine powder, the medicine powder flows towards the bottom and finally leaks out from the position of the inclined groove 33. The inclined groove 33 can guide the medicine powder to flow in the four directions, which helps the uniform distribution of the medicine powder in the feeding pipe 1, so that the distribution of the medicine powder finally going out of the feeding pipe 1 is more uniform, avoiding the accumulation of too much medicine powder in a certain place, leading to overflow of the medicine powder in the compression process. The polymerizing cylinder 31 of the flow cylinder can effectively gather the material, improve the accuracy and stability of feeding, make the discharge uniform, and prevent the accumulation of too much medicine powder in a certain place, leading to overflow of the medicine powder in the compression process.

[0023] The dispersing device 4 mainly consists of a servo motor 41, a driving rod 42, a dispersing rod 43, a threaded groove 44, a rotating column 45 and a scraping frame 46. Due to the effect of pressure during transportation, part of the medicine powder is agglomerated, which hinders the discharge of the medicine powder and affects the integrity of the tablets after tabletting. The dispersing device 4 is set to solve this problem. The servo motor 41 is started and its output end is rotated clockwise for a short time and then counterclockwise, and the driving rod 42 is driven to rotate in turn. The rotating hole 32 is provided for the driving rod 42 to pass through. The rotating driving rod 42 drives the dispersing rod 43 to rotate, disperses the agglomerated medicine powder entering the polymerizing cylinder 31, prevents the agglomeration of the material and makes the medicine powder dispersed, so that the material is more uniformly distributed in the polymerizing cylinder 31. The driving rod 42 is stably rotated by the rotating column 45 under the limitation of the limiting groove 35. The scraping frame 46 at the bottom is in sliding connection with the inner side wall of the feeding pipe 1 during rotation, which can scrape off the material adhering to the inner wall of the feeding pipe 1, preventing the accumulation and waste of the material. The dispersing rod 43 in the dispersing device 4 can prevent the agglomeration of the material and improve the uniformity of the material. At the same time, the scraping frame 46 can prevent the material from adhering to the inner wall of the feeding pipe 1, reducing waste.

[0024] The blocking device 5 is composed of a movable sleeve 51, a threaded protrusion 52, a limiting blind hole 53 and a flow guide slope 54. When the driving rod 42 rotates, the driving rod 42 is matched with the threaded protrusion 52 through the threaded groove 44, so that the movable sleeve 51 can move along the axial direction of the driving rod 42. The guide column 34 provides a positioning function for the sliding of the blocking device 5, ensures the stable rotation of the blocking device 5 and the sliding of the blocking device 5 along the guide column 34 in the polymerization cylinder 31. When it is needed to stop the feeding, the servo motor 41 is controlled to stop the forward and reverse rotation and is controlled to rotate in a single direction. The movable sleeve 51 is controlled to slide upward and block the outlet at the bottom of the polymerization cylinder 31, so as to prevent the leakage of the medicine powder. When it is needed to feed, the movable sleeve 51 is controlled to slide downward until the bottom surface is in contact with the bottom end in the polymerization cylinder 31. The dispersing rod 43 can also accelerate the flow of the medicine powder during the rotation. The flow guide slope 54 is matched with the inclined groove 33 and plays a flow guide role during the flow of the material, so that the material flows more smoothly. Since the servo motor 41 drives the driving rod 42 to continuously change the forward and reverse rotation during the discharging process, the movable sleeve 51 frequently moves upward and downward during the discharging process. The movable sleeve 51 moving upward and downward can also accelerate the flow of the medicine powder. The blocking device 5 can timely block the feeding opening according to the need, prevent the powder leakage and improve the reliability during the production.

[0025] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A powder leakage preventing device for a tablet filling mechanism of a tablet press for sustained release tablet production, characterized by, Include: The feeding pipe (1); The material pipe (2), the outer wall of the material pipe (2) is fixedly connected with the inner wall of the feeding pipe (1); The flow guide cylinder (3), the outer side wall of the flow guide cylinder (3) is fixedly connected with the inner side wall of the feeding pipe (1); The scattering device (4), the outer wall of the scattering device (4) is fixedly connected with the outer wall of the flow guide cylinder (3); The blocking device (5), the outer wall and the inner wall of the blocking device (5) are slidingly connected with the outer wall of the flow guide cylinder (3); The flow guide cylinder (3) includes a polymer cylinder (31), a rotating hole (32) is formed in the outer wall of the top of the polymer cylinder (31), an inclined groove (33) is formed in the side wall of the polymer cylinder (31), a guide column (34) is fixedly connected to the bottom inside of the polymer cylinder (31), and a limiting groove (35) is formed in the inner wall of the polymer cylinder (31).

2. The powder leakage preventing device of the tablet charging mechanism of the tablet press for sustained release tablet production according to claim 1, characterized in that: The inner wall of the polymer cylinder (31) is fixedly connected with the outer wall of the material pipe (2), and the outer side wall of the polymer cylinder (31) is fixedly connected with the inner side wall of the feeding pipe (1).

3. The powder leakage preventing device of the tablet charging mechanism of the tablet press for sustained release tablet production according to claim 1, characterized in that: The scattering device (4) includes a servo motor (41), the output end of the servo motor (41) is fixedly connected with a driving rod (42), the outer wall of the driving rod (42) is fixedly connected with a scattering rod (43), a threaded groove (44) is formed in the outer wall of the bottom of the driving rod (42), the bottom end of the driving rod (42) is fixedly connected with a rotating column (45), and the outer wall of the bottom of the rotating column (45) is fixedly connected with a scraping frame (46).

4. The powder leakage preventing device of the tablet charging mechanism of the tablet press for sustained release tablet production according to claim 3, characterized in that: The side of the servo motor (41) close to the driving rod (42) is fixedly connected with the outer wall of the top of the polymer cylinder (31), the outer wall of the driving rod (42) is rotatably connected with the top of the polymer cylinder (31) through the rotating hole (32), the inner wall of the polymer cylinder (31) is rotatably connected with the outer wall of the rotating column (45) through the limiting groove (35), and the outer wall of the bottom of the scraping frame (46) is slidingly connected with the inner side wall of the feeding pipe (1).

5. The powder leakage preventing device of the tablet charging mechanism for a sustained release tablet production tablet press according to claim 3, characterized in that: The blocking device (5) includes a movable sleeve (51), a threaded protrusion (52) is fixedly connected to the inner wall of the movable sleeve (51), the inner wall of the movable sleeve (51) is slidingly connected with the outer wall of the guide column (34) through a limiting blind hole (53), the limiting blind hole (53) is formed in the wall of the movable sleeve (51), and a flow guide inclined surface (54) is formed in the outer wall of the top of the movable sleeve (51).

6. The powder leakage preventing device of a tablet charging mechanism of a tablet press for sustained release tablet production according to claim 5, characterized in that: The outer wall of the movable sleeve (51) is slidingly connected with the inner side wall of the polymer cylinder (31), the outer wall of the threaded protrusion (52) is threadedly connected with the outer wall of the driving rod (42) through the threaded groove (44), and the inner wall of the movable sleeve (51) is slidingly connected with the outer wall of the driving rod (42).

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