Rotary tablet pressing device

By introducing a U-shaped baffle and a vibration assembly into the rotary tablet press, the problem of powder accumulation in the feed trough was solved, enabling smooth tablet feeding and effective powder collection, thus improving the integrity of the finished product and the practicality of the device.

CN223587692UActive Publication Date: 2025-11-25FUAN PHARM GRP YANTAI JUSTAWARE PHARMA CO LTD
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Patent Information

Application Number
CN202423103406.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-25
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In existing rotary tablet presses, powder tends to accumulate in the feed trough during the tablet feeding process, leading to uneven friction on the tablets, increasing the risk of breakage, and affecting the integrity of the finished product.

Method used

A material guiding mechanism including a U-shaped baffle, a guide plate, and a vibration component was designed. The guide plate is equipped with sieve holes. Through vibration and slope design, the powder and tablets are ensured to flow smoothly. The powder is collected through the sieve holes and the collection box, reducing the risk of clogging.

Benefits of technology

This improved the smoothness of tablet drop, reduced the risk of breakage, and enabled effective collection of powder, thus enhancing the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pharmaceutical devices, in particular to a rotary tablet pressing device, which comprises a rotary tablet press main body, a discharge port is arranged on one side of the rotary tablet press main body, and one end, far away from the rotary tablet press main body, of the discharge port is fixedly connected with a guide mechanism which is inclined downwards; the material guide mechanism comprises a U-shaped baffle plate; a plurality of groups of supporting assemblies are fixedly mounted at the positions, close to the bottom, of the two sides of the U-shaped baffle; a material guide plate is fixedly mounted at the top ends of the multiple groups of supporting assemblies; a plurality of sieve holes are uniformly formed in the side surface of the material guide plate, and a collecting assembly matched with the sieve holes for use is fixedly mounted on the bottom surface of the material guide plate; a vibration assembly is installed between one side of the U-shaped baffle and the collecting assembly. In the material guiding process, powder on the material guiding plate falls into the material collecting box through the screen holes, the sufficiency of the powder falling into the material collecting box can be improved through vibration of the material guiding plate, meanwhile, the powder attached to tablets can also fall off through vibration, and the influence of the powder can be effectively relieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pharmaceutical device technical field, concretely is a tablet rotary type tablet press. BACKGROUND

[0002] The tablet rotary type tablet press is a kind of equipment for pressing dry powder material into fixed shape and size tablet product.It is widely used in pharmaceutical, chemical, food and other industries, especially in pharmaceutical industry, for producing various tablet medicines.

[0003] The rotary tablet press mainly works by rotating disc and tablet roller, and the material is pressed into the required shape and size.The material is pretreated and mixed in the hopper, then continuously fed into the mold on the rotating disc, and the mold rotates in the medium containing compressed gas, and the material gradually forms in the rotating disc.Then, the tablet roller applies pressure to the material at the bottom of the mold, and the tablet product is separated from the mold under the action of roller pressure.

[0004] However, the existing rotary tablet press has the following deficiencies in use:

[0005] When the rotary tablet press discharges the formed tablets, a guide chute is usually arranged at the discharge port, and a collection box is arranged at the discharge end of the guide chute.In the rotary tablet press, the guide chute is used to smoothly transport the formed tablets to the collection box.In long-time work, powder accumulation may occur in the guide chute, which hinders the smooth flow of tablets, and the excessive powder makes the friction force between the tablets and the guide chute not equal, which may cause the tablets to collide with each other in the guide chute, increase the risk of tablet breakage, and affect the integrity of the finished product. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a tablet rotary type tablet press to solve the problems in the above background.

[0007] The utility model can achieve the purpose by the following technical scheme:

[0008] A tablet rotary type tablet press, comprising a rotary tablet press main body, a discharge port is arranged on one side of the rotary tablet press main body, and a downwardly inclined guide mechanism is fixedly connected to the end of the discharge port away from the rotary tablet press main body;The guide mechanism comprises a U-shaped baffle, the open end of the U-shaped baffle is fixedly connected with the discharge port, and the other end of the U-shaped baffle is provided with a slot opening through the lower part;

[0009] A plurality of support assemblies are fixedly installed on both sides of the U-shaped baffle near the bottom, and the plurality of support assemblies are arrayed along the length direction of the side surface of the U-shaped baffle;

[0010] The top ends of the plurality of sets of support assemblies on both sides of the U-shaped baffle are fixedly connected with a material guide plate arranged in the U-shaped baffle, and the side of the material guide plate is in sliding contact with the inner side of the U-shaped baffle.

[0011] The side of the material guide plate is uniformly provided with a plurality of sieve holes, and the bottom surface of the material guide plate is fixedly connected with a collecting assembly used in cooperation with the sieve holes.

[0012] A vibration assembly is arranged between one side of the U-shaped baffle and the collecting assembly.

[0013] Further, the support assembly comprises a mounting seat fixedly arranged on the inner side of the U-shaped baffle, the top surface of the mounting seat is fixedly connected with an elastic telescopic support rod, and the telescopic end of the elastic telescopic support rod is fixedly connected with the bottom surface of the material guide plate.

[0014] Further, the elastic telescopic support rod comprises a hollow column fixedly arranged on the top surface of the mounting seat, a sliding rod is slidingly arranged at the top end of the hollow column, a sliding column is fixedly arranged at the bottom end of the sliding rod, the outer periphery of the sliding column is in sliding contact with the inner wall of the hollow column, and the top end of the sliding rod is fixedly connected with the bottom surface of the material guide plate.

[0015] The bottom surface of the sliding column is fixedly connected with a spring two between the inner bottom surface of the hollow column, and the top surface of the sliding column is fixedly connected with a spring one sleeved on the outer periphery of the sliding rod between the inner top surface of the hollow column.

[0016] Further, the collecting assembly comprises a material collecting box fixedly arranged on the bottom surface of the material guide plate, and a discharging pipe is fixedly arranged at one end of the bottom surface of the material collecting box away from the discharging port.

[0017] The bottom surface of the material collecting box is fixedly connected with a jacking rod, and the bottom end of the jacking rod is provided with a hemispherical body.

[0018] Further, the vibration assembly comprises an L-shaped mounting plate, one end of the L-shaped mounting plate is fixedly connected with one side of the U-shaped baffle, the other end of the L-shaped mounting plate extends below the material collecting box, and a motor is fixedly arranged on the L-shaped mounting plate, the output shaft of the motor is fixedly connected with a circular block below the jacking rod, a plurality of recesses are arranged on the outer periphery of the circular block and used in cooperation with the hemispherical body, and the plurality of recesses are circumferentially arranged about the axis of the circular block.

[0019] The utility model discloses the beneficial effects of:

[0020] During the guiding process, the powder on the guiding plate falls into the collecting box through the screen hole, and the vibration of the guiding plate can improve the fullness of the powder falling into the collecting box, and the powder attached to the tablet also vibrates and falls off, which is beneficial to improve the smoothness of the tablet surface; further, the vibration of the guiding plate can also improve the smoothness of the tablet sliding and reduce the risk of blockage.

[0021] The powder collected in the collecting box will continue to slide to the position close to the discharge pipe under the action of vibration and slope, and finally fall outside the collecting box through the discharge pipe, which realizes the collection purpose of the powder and has the effect of continuous collection, improving the practicality of the utility model.

[0022] 3、The elastic telescopic supporting rod of the utility model is driven by the vibration assembly, and the sliding rod vibrates in the axial direction, wherein the vibration effect can be improved by the arrangement of spring two and spring one, which is beneficial to improve the fullness of powder collection, thereby improving the practicality of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by those skilled in the art without creative labor on the premise of not paying creative labor;

[0024] Figure 1 is the overall structural schematic view of the utility model;

[0025] Figure 2 is the three-dimensional schematic view of the guiding mechanism in the utility model;

[0026] Figure 3 is Figure 2 is the three-dimensional schematic view of the guiding mechanism in the utility model;

[0027] Figure 4 is the three-dimensional schematic view of the vibration assembly in the utility model;

[0028] Figure 5 is Figure 4 is the enlarged view of part A in the utility model;

[0029] Figure 6 is Figure 4 is the enlarged view of part B in the utility model;

[0030] Figure 7 is the structural schematic view of the elastic telescopic supporting rod;

[0031] Among them, the reference signs are as follows:

[0032] 1-rotary tablet press main body, 2- discharge port, 3- material guide mechanism, 4- U-shaped baffle, 5- material guide plate, 6- material collecting box, 7- discharge pipe, 8- L-shaped mounting plate, 9- notch, 10- sieve hole, 11- mounting seat, 12- elastic telescopic support rod, 13- ejector rod, 14- round block, 15- groove, 16- hemisphere, 17- motor, 18- hollow column, 19- slide rod, 20- slide column, 21- spring one, 22- spring two. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Embodiment 1:

[0035] Please refer to Figures 1-6 In the embodiments of the utility model, a tablet rotary tablet pressing device comprises a rotary tablet press main body 1, one side of the rotary tablet press main body 1 is provided with a discharge port 2, and the end, away from the rotary tablet press main body 1, of the discharge port 2 is fixedly connected with a downward inclined material guide mechanism 3; the material guide mechanism 3 comprises a U-shaped baffle 4, the open end of the U-shaped baffle 4 is fixedly connected with the discharge port 2, and the other end of the U-shaped baffle 4 is provided with a notch 9 penetrating through the lower part;

[0036] A plurality of support assemblies are fixedly installed on the two sides of the U-shaped baffle 4 close to the bottom, and the plurality of support assemblies are arrayed along the length direction of the side surface of the U-shaped baffle 4;

[0037] The top ends of the plurality of support assemblies on the two sides of the U-shaped baffle 4 are fixedly and jointly installed with a material guide plate 5 arranged in the U-shaped baffle 4, and the side of the material guide plate 5 is in sliding contact with the inner side surface of the U-shaped baffle 4 corresponding to the U-shaped baffle 4;

[0038] A plurality of sieve holes 10 are uniformly formed in the side surface of the material guide plate 5, and a collecting assembly used in cooperation with the sieve holes 10 is fixedly installed on the bottom surface of the material guide plate 5.

[0039] A vibration assembly is installed between one side of the U-shaped baffle 4 and the collecting assembly.

[0040] The support assembly comprises a mounting seat 11 fixedly installed on the inner side surface of the U-shaped baffle 4, the top surface of the mounting seat 11 is fixedly installed with an elastic telescopic support rod 12, and the telescopic end of the elastic telescopic support rod 12 is fixedly connected with the bottom surface of the material guide plate 5.

[0041] The collecting assembly comprises a collecting box 6 fixedly installed on the bottom surface of the guide plate 5, and a discharging pipe 7 is fixedly installed on the bottom surface of the collecting box 6 in a penetrating mode at one end away from the discharging port 2.

[0042] The top rod 13 is fixedly connected to the center position of the bottom surface of the collecting box 6, and a hemispherical body 16 is arranged at the bottom end of the top rod 13.

[0043] The vibration assembly comprises an L-shaped mounting plate 8, one end of the L-shaped mounting plate 8 is fixedly connected to one side of the U-shaped baffle 4, the other end of the L-shaped mounting plate 8 extends below the collecting box 6, and a motor 17 is fixedly installed, the output shaft of the motor 17 is fixedly installed with a circular block 14 below the top rod 13, a plurality of grooves 15 are arranged on the periphery of the circular block 14 and are matched with the hemispherical body 16, and the plurality of grooves 15 are distributed in a circumferential direction about the axis of the circular block 14.

[0044] In use, the utility model discloses a following process:

[0045] The pressed tablets enter the guide mechanism 3 through the discharging port 2, specifically, the tablets move to the guide plate 5, and the tablets on the guide plate 5 slide out from the notch 9 along the gradient direction of the guide plate 5.

[0046] During the process, the motor 17 in the vibration assembly is started, the motor 17 drives the circular block 14 to rotate, the rotation of the circular block 14 makes the hemispherical body 16 at the bottom end of the top rod 13 continuously contact the plurality of grooves 15, thereby repeatedly lifting the top rod 13, and the movement of the top rod 13 cooperates with the supporting assembly to drive the collecting box 6 and the guide plate 5 to vibrate in the axial direction of the top rod 13.

[0047] During the guiding process, the powder on the guide plate 5 falls into the collecting box 6 through the sieve hole 10, and the vibration of the guide plate 5 can improve the sufficiency of the powder falling into the collecting box 6, and the powder attached to the tablets also vibrates and falls off, which is beneficial to improving the smoothness of the tablet surface; further, the vibration of the guide plate 5 can also improve the smoothness of the tablet sliding and reduce the risk of blockage.

[0048] The powder collected in the collecting box 6 continuously slides to the position close to the discharging pipe 7 under the vibration and gradient effect, and finally falls outside the collecting box 6 through the discharging pipe 7, so that the collecting purpose of the powder is realized, and the continuous collecting effect is achieved, thereby improving the practicability of the utility model;

[0049] In use, the tablet collecting box can be placed below the notch 9, and the powder collecting box can be arranged below the discharging pipe 7.

[0050] Embodiment 2:

[0051] Please refer to Figure 7On the basis of embodiment 1, the elastic telescopic support rod 12 comprises a hollow column 18 fixedly installed on the top surface of the mounting base 11, a sliding rod 19 slidingly inserted into the top end of the hollow column 18, a sliding column 20 fixedly installed at the bottom end of the sliding rod 19, the outer periphery of the sliding column 20 slidingly contacting with the inner wall of the hollow column 18, and the top end of the sliding rod 19 fixedly connected with the bottom surface of the guide plate 5.

[0052] The spring two 22 is fixedly connected between the bottom surface of the sliding column 20 and the inner bottom surface of the hollow column 18, and the spring one 21 is fixedly connected between the top surface of the sliding column 20 and the inner top surface of the hollow column 18, and the spring one 21 is sleeved on the outer periphery of the sliding rod 19.

[0053] The elastic telescopic support rod 12 is driven by the vibration assembly, and the sliding rod 19 vibrates in the axial direction, wherein the vibration effect can be improved by the spring two 22 and the spring one 21, which is beneficial to improve the sufficiency of collecting the powder, thereby improving the practicability of the utility model.

[0054] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.

Claims

1. A tablet rotary compression tablet device, comprising a rotary compression tablet body (1), one side of the rotary compression tablet body (1) is provided with a discharge port (2), and the discharge port (2) is fixedly connected with a downward inclined material guiding mechanism (3) at one end away from the rotary compression tablet body (1); characterized in that, The material guiding mechanism (3) comprises a U-shaped baffle (4), the open end of the U-shaped baffle (4) is fixedly connected with the discharge port (2), and the other end of the U-shaped baffle (4) is provided with a slot (9) penetrating through the lower part; A plurality of support assemblies are fixedly installed on the two sides of the U-shaped baffle (4) near the bottom; The top ends of the plurality of support assemblies on the two sides of the U-shaped baffle (4) are fixedly installed with a material guiding plate (5) arranged in the U-shaped baffle (4), and the side of the material guiding plate (5) is in sliding contact with the inner side of the U-shaped baffle (4); A plurality of screen holes (10) are uniformly formed in the side of the material guiding plate (5), and a collecting assembly is fixedly installed on the bottom surface of the material guiding plate (5) and cooperates with the screen holes (10); A vibration assembly is installed between one side of the U-shaped baffle (4) and the collecting assembly.

2. A tablet rotary press according to claim 1, wherein The support assembly comprises a mounting seat (11) fixedly installed on the inner side of the U-shaped baffle (4), a resilient telescopic supporting rod (12) fixedly installed on the top surface of the mounting seat (11), and the telescopic end of the resilient telescopic supporting rod (12) is fixedly connected with the bottom surface of the material guiding plate (5).

3. A tablet rotary press according to claim 2, wherein The resilient telescopic supporting rod (12) comprises a hollow column (18) fixedly installed on the top surface of the mounting seat (11), a sliding rod (19) slidingly inserted into the top end of the hollow column (18), a sliding column (20) fixedly installed on the bottom end of the sliding rod (19), the outer periphery of the sliding column (20) is in sliding contact with the inner wall of the hollow column (18), and the top end of the sliding rod (19) is fixedly connected with the bottom surface of the material guiding plate (5); A spring two (22) is fixedly connected between the bottom surface of the sliding column (20) and the inner bottom surface of the hollow column (18), and a spring one (21) is fixedly connected between the top surface of the sliding column (20) and the inner top surface of the hollow column (18) and is sleeved on the outer periphery of the sliding rod (19).

4. The tablet rotary tablet press apparatus according to claim 1, wherein, The collecting assembly comprises a material collecting box (6) fixedly installed on the bottom surface of the material guiding plate (5), and a discharge pipe (7) is fixedly installed on one end of the bottom surface of the material collecting box (6) away from the discharge port (2) in a penetrating manner; A jacking rod (13) is fixedly connected to the center position of the bottom surface of the material collecting box (6), and a hemispherical body (16) is arranged on the bottom end of the jacking rod (13).

5. A tablet rotary press according to claim 4, wherein The vibration assembly comprises an L-shaped mounting plate (8), one end of the L-shaped mounting plate (8) is fixedly connected with one side of the U-shaped baffle (4), the other end of the L-shaped mounting plate (8) extends below the material collecting box (6) and is fixedly installed with a motor (17), the output shaft end of the motor (17) is fixedly installed with a circular block (14) below the jacking rod (13), a plurality of grooves (15) are formed in the outer periphery of the circular block (14) and are used in cooperation with the hemispherical body (16), and the plurality of grooves (15) are circumferentially arrayed about the axis of the circular block (14).