Vibrating screen

Abstract

The utility model relates to the technical field of medicine production, in particular to a vibrating screen which comprises a machine frame, a screening box, vibrating motors, a feeding pipe, a discharging pipe and a material uniformizing assembly, the machine frame is connected with the screening box, the two vibrating motors arranged in parallel are connected to the screening box, the feeding pipe and the discharging pipe are connected to the machine frame, and a valve is connected to the discharging pipe. The material uniformizing assembly is connected to the screening box. According to the utility model, the material distributing end of the material uniformizing assembly can generate autorotation, centrifugal force is generated through rotation of the material distributing end, the medicine particles can move on the material distributing end due to the meshes with different sizes at the material distributing end, and the medicine particles fall down from the different meshes in the moving process so as to be prevented from being scattered in a synchronous range; when the material distributing end rotates, the auxiliary assembly can operate synchronously, and the moving end of the auxiliary assembly moves in the vertical direction to push the material distributing end to deform, so that the surface of the material distributing end is expanded or reduced to increase the particle distribution range.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medicine production, and specifically relates to a vibrating screen. BACKGROUND

[0002] The medicine granule is also called granule, is the granular preparation that medicine is cooperated with suitable auxiliary material and is made, can be divided into soluble granule, suspension type granule and effervescent granule, if the particle size is in 105-500 microns range, also be called fine granule, its main feature is that it can be directly swallowed, also can be drunk into water with warm water.

[0003] The Chinese patent with the publication number CN220311000U discloses a capsule granule screening device, which comprises a box body, a discharge valve is arranged on the lower end side wall of the box body, a mounting ring is arranged in the box body, a mounting cylinder is arranged in the mounting ring, a screen is horizontally arranged in the mounting cylinder, a plurality of vibration motors are arranged on the outer side of the mounting cylinder, a plurality of springs connected with the mounting cylinder are vertically arranged on the upper end of the mounting ring, a plurality of air pipes are arranged on the side wall of the mounting cylinder above the screen, a ring pipe connected with all the air pipes is arranged on the outer side of the mounting cylinder, a steel wire hose is connected with the ring pipe, a material suction mechanism connected with the steel wire hose is arranged on the outer side of the box body, a vertical pipe is rotatably arranged on the upper end of the box body, a horizontal pipe is connected with the lower end of the vertical pipe, a plurality of discharge holes are arranged on the lower end of the horizontal pipe. The utility model has the effect of uniformly spreading medicine granules on the vibrating screen, and improves the screening efficiency.

[0004] However, in the above technical solution, the centrifugal force generated by the rotation of the horizontal pipe drives the medicine granules to move, so that the medicine granules are uniformly spread on the vibrating screen through the discharge holes arranged on the horizontal pipe. However, when the device spreads the medicine granules through the rotation of the horizontal pipe, the small discharge holes may cause the medicine granules to block the discharge holes, the medicine granules moving along the horizontal pipe may be thrown out of the horizontal pipe and collide with the mounting cylinder, which reduces the quality of the medicine granules, and the large discharge holes may cause the medicine granules to be directly discharged when they contact the discharge holes close to the vertical pipe, which reduces the uniform distribution of the medicine. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and provides a vibrating screen.

[0006] The technical scheme of the utility model is as follows: a vibrating screen, which comprises a rack, a screening box connected to the rack, two parallel vibrating motors connected to the screening box, an inlet pipe and an outlet pipe connected to the rack respectively, a uniform material assembly connected to the screening box, and the uniform material assembly rotates in a self-rotating manner in a use state, and the self-rotating expanding or reducing of the distribution end of the uniform material assembly increases the distribution range of the particles.

[0007] Preferably, the screening box is composed of a box body, elastic members and screens, the box body is connected with the elastic members, the other end of the elastic members is connected with the frame, two parallel vibration motors are connected on the two side walls of the box body, and a plurality of parallel screens are connected in the box body.

[0008] Preferably, the uniform material assembly comprises a support frame connected with the frame, the support frame is located above the screening box; a support shaft connected with the support frame, the support shaft is connected with a rotating disc, the rotating disc has the same center as the feeding pipe; a driving device connected with the support frame, the output end of the driving device is connected with the support shaft; and an auxiliary assembly connected with the support frame, in the use state of the auxiliary assembly, the moving end of the auxiliary assembly moves vertically to increase or decrease the area of the rotating disc.

[0009] Preferably, the rotating disc is composed of a support disc and auxiliary plates, the support disc is connected with one end of the support shaft, and the support disc is rotatably connected with a plurality of auxiliary plates outside.

[0010] Preferably, the through hole of the rotating disc gradually increases in diameter from inside to outside.

[0011] Preferably, the auxiliary assembly comprises a fixed ring connected with the outside of the support shaft; a moving ring sleeved on the outside of the support shaft, the moving ring is arranged in parallel with the fixed ring; two telescopic devices arranged in parallel, the telescopic devices are connected with the fixed ring; and a plurality of connecting rods corresponding to the auxiliary plates, the two ends of the connecting rods are respectively connected with the auxiliary plates and the moving ring.

[0012] Preferably, the support frame is connected with a guide plate, and the guide plate is provided with an inclined surface.

[0013] Preferably, the frame is connected with a baffle corresponding to the number of discharge ports.

[0014] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0015] In the utility model, the distribution end of the uniform material assembly can rotate, centrifugal force is generated through the rotation of the distribution end, and the different mesh holes on the distribution end can make the medicine particles move on the distribution end, so that the medicine particles fall from the different mesh holes to avoid being scattered in the synchronization range. Meanwhile, the auxiliary assembly can run synchronously when the distribution end rotates, the moving end of the auxiliary assembly moves vertically to push the distribution end to deform, so that the distribution end expands or reduces its surface to increase the particle distribution range. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is a sectional view of the utility model; Figure 1 schematic view;

[0018] Figure 3 This is a cross-sectional view of the screening box;

[0019] Figure 4 This is a cross-sectional view of the support plate.

[0020] Reference numerals in the attached drawings: 1. Frame; 2. Screening box; 3. Vibrating motor; 4. Feed pipe; 5. Discharge pipe; 6. Box body; 7. Elastic element; 8. Screen; 9. Support frame; 10. Support shaft; 11. Rotating disc; 12. Drive device; 13. Support disc; 14. Auxiliary plate; 15. Fixed ring; 16. Moving ring; 17. Telescopic device; 18. Connecting rod; 19. Guide plate; 20. Baffle. Detailed Implementation

[0021] Example 1

[0022] like Figures 1-4 As shown, the vibrating screen proposed in this utility model includes a frame 1, a screening box 2, a vibrating motor 3, a feed pipe 4, a discharge pipe 5, and a material equalization component. The frame 1 is connected to the screening box 2, and two parallel vibrating motors 3 are connected to the screening box 2. The feed pipe 4 and the discharge pipe 5 are respectively connected to the frame 1, and a valve is connected to the discharge pipe 5. The material equalization component is connected to the screening box 2. When the material equalization component is in use, the material distribution end of the material equalization component rotates, and the synchronous expansion or reduction of its own surface during the rotation of the material distribution end increases the particle distribution range.

[0023] In an optional embodiment, the screening box 2 consists of a box body 6, elastic elements 7, and screens 8. Multiple elastic elements 7 are connected to the box body 6, and the other end of the elastic elements 7 is connected to the frame 1. Two parallel vibrating motors 3 are connected to the two side walls of the box body 6, and multiple parallel screens 8 are connected inside the box body 6. The mesh count of the screens 8 gradually increases from top to bottom, and the mesh count decreases as the mesh count increases to screen drug particles of different diameters or volumes. Multiple discharge ports are opened on the side wall of the box body 6. One discharge port is located on the side of the box body 6, corresponding to the topmost screen 8, and another discharge port is located on the side of the box body 6 at the lower angle of the screen 8.

[0024] Example 2

[0025] like Figures 2-4The utility model discloses a vibrating screen, compared with embodiment one, the detailed structure of the material uniforming assembly is recorded in this embodiment, and the material uniforming assembly includes support frame 9, support shaft 10, rotating disc 11 and drive arrangement 12, support frame 9 is connected on rack 1, and support frame 9 is located above screening box 2, support shaft 10 is connected on support frame 9, and support frame 9 is provided with the through -hole passing through support shaft 10, and rotating disc 11 is connected on support shaft 10, and rotating disc 11 is same as the center of infeed pipe 4, and support disc 11 is the material distribution end, drive arrangement 12 is connected on support frame 9, and the output end of drive arrangement 12 is connected with support shaft 10, drive arrangement 12 selects but is not limited to motor, auxiliary assembly is connected on support frame 9, and in the use state of auxiliary assembly, the moving end of auxiliary assembly moves vertically to increase or reduce the area of rotating disc 11.

[0026] In an alternative embodiment, rotating disc 11 is composed of support disc 13 and auxiliary plate 14, one end of support disc 13 is connected with support shaft 10, and a plurality of auxiliary plates 14 are rotatably connected to the outer side of support disc 13.

[0027] In an alternative embodiment, the diameter of the through hole on rotating disc 11 gradually increases from inside to outside; the change in the diameter of the through hole enables the material to gradually move outward when moving on rotating disc 11. The diameter of the through hole near the center is smaller, so fewer particles can pass through it. When the material accumulates due to the flow rate of the upper mesh, the particles will move outward due to centrifugal force, and the more particles can pass through the farther outward, thereby enabling uniform distribution of the particles.

[0028] The auxiliary assembly includes fixing ring 15, moving ring 16, telescopic device 17, and connecting rod 18. Fixing ring 15 is connected to support shaft 10. Moving ring 16 is sleeved on the outer side of support shaft 10. Moving ring 16 is arranged in parallel with fixing ring 15. Two telescopic devices 17 are arranged in parallel. Telescopic device 17 is connected to fixing ring 15. Telescopic device 17 selects but is not limited to a hydraulic cylinder. The number of connecting rods 18 corresponds to the number of auxiliary plates 14. The two ends of connecting rod 18 are respectively hingedly connected to auxiliary plate 14 and moving ring 16.

[0029] In an alternative embodiment, support frame 9 is connected with guide plate 19, and an inclined surface is formed on guide plate 19. Guide plate 19 shields support frame 9 and guides the medicine particles, preventing the medicine particles from staying on support frame 9.

[0030] In an alternative embodiment, a plurality of baffles 20 corresponding to the number of discharge ports are connected to rack 1. Baffle 20 selects but is not limited to rubber material. Rubber material can avoid bumping when contacting screening box 2 and can block the floating dust.

[0031] In summary, in use, the staff member conveys the medicine particles to be screened from the conical feed pipe 4 into the rack 1 by hand or a conveying belt, the medicine particles fall and contact the rotating disc 11, the output end of the driving device 12 drives the supporting shaft 10 to rotate after starting, the rotating disc 11 on the supporting shaft 10 rotates continuously and disperses the medicine particles outward through the through hole, at the same time, the medicine particles fall vertically, avoiding the problem that the medicine particles are accumulated due to the too small distribution range, at the same time, the fixed ring 15 connected to the supporting shaft 10 rotates synchronously, the telescopic device 17 telescopes continuously, the telescopic end of the telescopic device 17 drives the moving ring 16 to move along the central axis of the supporting shaft 10, at the same time, the moving ring 16 drives the connecting rod 18 to move, the auxiliary plate 14 rotates around the hinge through the connection of the connecting rod 18 and the auxiliary plate 14, the auxiliary plate 14 expands and contacts the supporting disc 13 to form a larger area to guide the medicine particles, the auxiliary plate 14 retracts to reduce the area of the rotating disc 11, avoiding the problem that the medicine particles are accumulated in the same area during the distribution, the medicine particles falling into the screening box 2 contact the two layers of screen meshes 8 from top to bottom, the vibration motor 3 starts to vibrate to drive the box body 6 to shake, the elastic element 7 can further increase the shaking of the box body 6, the medicine particles are screened, the larger and smaller medicine particles are separated, and the qualified medicine particles are discharged from the outlet of the screening box 2.

[0032] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A vibrating screen, characterized in that, include The frame (1) is connected to a screening box (2), and two parallel vibrating motors (3) are connected to the screening box (2). The frame (1) is connected to a feed pipe (4) and a discharge pipe (5). The material distribution component is connected to the screening box (2). When the material distribution component is in use, the material distribution end of the material distribution component rotates, and the expansion or reduction of its own surface due to the rotation of the material distribution end increases the particle distribution range.

2. The vibrating screen according to claim 1, characterized in that, The screening box (2) consists of a box body (6), elastic elements (7) and screens (8). Multiple elastic elements (7) are connected to the box body (6), and the other end of the elastic elements (7) is connected to the frame (1). Two parallel vibrating motors (3) are connected to the two side walls of the box body (6), and multiple parallel screens (8) are connected inside the box body (6). Multiple discharge ports are opened on the side walls of the box body (6).

3. The vibrating screen according to claim 1, characterized in that, The homogenizing component includes A support frame (9) is connected to the frame (1) and is located above the screening box (2); A support shaft (10) is connected to a support frame (9). A rotating disk (11) is connected to the support shaft (10). The rotating disk (11) has the same center as the feed pipe (4). A drive unit (12) is connected to a support frame (9), and the output end of the drive unit (12) is connected to a support shaft (10). An auxiliary component is connected to a support frame (9). When the auxiliary component is in use, the moving end of the auxiliary component moves vertically to increase or decrease the area of ​​the rotating disk (11).

4. The vibrating screen according to claim 3, characterized in that, The rotating disk (11) consists of a support disk (13) and auxiliary plates (14). The support disk (13) is connected to one end of the support shaft (10), and multiple auxiliary plates (14) are rotatably connected to the outside of the support disk (13).

5. The vibrating screen according to claim 4, characterized in that, The diameter of the through holes on the rotating disk (11) gradually increases from the inside to the outside.

6. The vibrating screen according to claim 3, characterized in that, Auxiliary components include A retaining ring (15) is attached to the outside of the support shaft (10); A movable ring (16) is sleeved on the outside of the support shaft (10), and the movable ring (16) is arranged parallel to the fixed ring (15); There are two telescopic devices (17) arranged in parallel, and the telescopic devices (17) are connected to the fixed ring (15); The number of connecting rods (18) corresponds to that of the auxiliary plate (14), and the two ends of the connecting rods (18) are connected to the auxiliary plate (14) and the moving ring (16) respectively.

7. The vibrating screen according to claim 3, characterized in that, Each support frame (9) is connected to a guide plate (19), and the guide plate (19) has an inclined surface.

8. The vibrating screen according to claim 2, characterized in that, A baffle (20) corresponding to the number of discharge ports is connected to the frame (1).

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