Vibrating screen with filter screen convenient to replace

The design of detachable bolt connections and spring dampers solves the problems of inconvenient replacement of existing vibrating screen filters and loose vibrating motors, enabling convenient filter replacement and stable operation of the equipment.

CN224181337UActive Publication Date: 2026-05-01ANHUI SANJIA ABRASIVES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI SANJIA ABRASIVES CO LTD
Filing Date
2025-05-28
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

The filter screens of existing vibrating screens are generally directly welded, which makes replacement inconvenient, and the connection of the vibrating motor is often loose, affecting the stability of the equipment.

Method used

The filter screen is connected to the mounting frame by a detachable second fixing bolt, and a spring damper is used to reduce vibration transmission. The vibration module drives the cam and chain system through a rotating motor to vibrate the filter screen, which facilitates filter screen replacement and equipment stability.

Benefits of technology

It enables convenient filter replacement, reduces the impact of equipment vibration on the main body, and improves the stability and working efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of vibrating screens, and discloses a vibrating screen convenient to replace a filter screen, which comprises a main body, a vibrating module is embedded and fixed at the rear part of the upper end surface of the main body, first mounting plates are fixed at four corners of the upper end surface of the main body through bolts, and spring dampers are fixedly arranged on the upper end surfaces of the four first mounting plates; and the upper end faces of the four spring dampers are fixedly provided with second mounting plates, the upper end faces of the four second mounting plates are fixedly provided with fixing frames through bolts, the upper end faces of the fixing frames are provided with filter screens in a clamped mode, the vibration module comprises a fixing box, and the upper end face of the fixing box is slidably provided with two moving columns. According to the utility model, the filter screens are clamped on the inner walls of the two sides of the fixing frame, the filter screens and the fixing frame can be connected through the second fixing bolts, and when the filter screens are damaged, the second fixing bolts can be detached, so that a worker can detach and replace the filter screens.
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Description

A vibrating screen with easy filter replacement Technical Field

[0001] This utility model relates to the field of vibrating screens, and in particular to a vibrating screen that facilitates filter replacement. Background Technology

[0002] Vibrating screens are used in mining to screen ores, coal, and limestone to ensure the quality and purity of materials. In construction, they can screen building materials such as concrete, sand, and gravel to ensure the quality and uniformity of materials. In the chemical industry, they can screen chemicals, coatings, paints, and pigments to ensure the quality and purity of materials. In pharmaceuticals, they can be used to screen medicines, vaccines, and syrups to ensure that the quality and particle size of medicines meet the requirements.

[0003] The filter screens of existing vibrating screens are generally welded directly to the screen housing, which means that the vibrating screen can only screen materials of a specific size. If other sizes need to be screened, a different vibrating screen needs to be replaced, which is very troublesome. At the same time, the vibrating part of existing vibrating screens is generally a vibrating motor, but the vibrating motor is usually connected to the screen housing with bolts. Long-term vibration will cause the bolts used to fix the vibrating motor to loosen, requiring the staff to check the device frequently.

[0004] Therefore, those skilled in the art have provided a vibrating screen with convenient filter replacement to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a vibrating screen that facilitates filter replacement. When the filter screen is damaged, the second fixing bolt can be disassembled, allowing workers to disassemble and replace the filter screen.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vibrating screen for easy filter replacement, comprising a main body, a vibration module embedded and fixed at the rear of the upper end face of the main body, first mounting plates fixed at the four corners of the upper end face of the main body by bolts, spring dampers fixedly provided on the upper end faces of the four first mounting plates, second mounting plates fixedly provided on the upper end faces of the four spring dampers, and fixing frames bolted to the upper end faces of the four second mounting plates, with a filter screen snapped onto the upper end face of the fixing frame, the vibration module including a fixing box, and two movable columns slidably provided on the upper end face of the fixing box;

[0007] Rotating columns are rotatably installed on the lower ends of the inner walls on both sides of the fixed box. A rotating motor is fixedly installed on the bottom surface of the fixed box. Fixed sprockets are fixedly installed on the output end of the rotating motor and the middle of the outer surface of the rotating columns. Cams are fixedly installed on both sides of the outer surface of the rotating columns. Chains are wound around the outer surfaces of the two fixed sprockets.

[0008] Furthermore, a mounting bracket is fixedly installed on one side of the main body, and a controller is fixedly installed on the upper surface of the mounting bracket.

[0009] Furthermore, each of the four corners of the upper surface of the first mounting plate is threaded with a first fixing bolt.

[0010] Furthermore, two second fixing bolts are bolted to the inner walls on both sides of the filter screen, and a discharge port is fixedly provided on the rear end face of the fixing frame.

[0011] Furthermore, two support blocks are fixedly provided on the upper end of the main body, and sliding grooves are fixedly provided on the upper surface of both support blocks.

[0012] Furthermore, fixing plates are fixedly installed at the front and rear of both movable columns.

[0013] Furthermore, each of the four fixed plates has a telescopic column fixedly installed on its upper surface, and each of the four telescopic columns has a return spring fixedly installed on its outer surface.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model proposes a vibrating screen with convenient filter replacement. Filter screens are snapped onto the inner walls of both sides of the fixed frame. The filter screens and the fixed frame can be connected by second fixing bolts. When the filter screen is damaged, the second fixing bolts can be removed, allowing workers to disassemble and replace the filter screens. Spring dampers are fixedly installed on the upper surfaces of the four first mounting plates. Second mounting plates are fixedly installed on the upper surfaces of the four spring dampers. Fixed frames are bolted to the upper surfaces of the four second mounting plates. When the fixed frame vibrates, the spring dampers can reduce the vibration transmitted to the main body, making the main body stable when placed on the ground.

[0016] 2. This utility model proposes a vibrating screen for easy filter replacement. When in use, the output end of the vibrating module is connected to a fixed frame, allowing the fixed frame to vibrate when the vibrating module is started. The main structure of the vibrating module includes a fixed box, a movable column slidably mounted on the inner top surface of the fixed box, a rotating motor mounted on the inner bottom surface of the fixed box, and rotating columns rotatably mounted on the inner walls of both sides of the fixed box. Fixed sprockets are installed on the outer surface of the rotating columns and the output end of the rotating motor. Chains are wound around the outer surfaces of both fixed sprockets, allowing the rotating columns to rotate when the rotating motor is started. A cam is located on the outer surface of the rotating column near the movable column, allowing the cam to connect to the lower end of the movable column. When the rotating column drives the cam to rotate, the movable column can move up and down. Attached Figure Description

[0017] Figure 1 is a front-view axial side view of the present invention;

[0018] Figure 2 is a side view of the axonometric view of this utility model;

[0019] Figure 3 is a side view of the present invention;

[0020] Figure 4 is a side sectional view of the vibration module structure of this utility model.

[0021] Legend:

[0022] 1. Main body; 2. Mounting frame; 3. Controller; 4. First mounting plate; 5. Spring damper; 6. Second mounting plate; 7. Fixing frame; 8. Vibration module; 9. First fixing bolt; 10. Filter screen; 11. Second fixing bolt; 12. Support block; 13. Sliding groove; 14. Discharge port; 801. Fixing box; 802. Moving column; 803. Fixing plate; 804. Telescopic column; 805. Return spring; 806. Rotating motor; 807. Fixed sprocket; 808. Rotating column; 809. Cam; 810. Chain. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Referring to Figures 1-3, one embodiment of this utility model is provided: a vibrating screen for easy filter replacement, comprising a main body 1, a vibration module 8 embedded and fixed at the rear of the upper end face of the main body 1, first mounting plates 4 bolted to the four corners of the upper end face of the main body 1, spring dampers 5 fixedly mounted on the upper end faces of the four first mounting plates 4, second mounting plates 6 fixedly mounted on the upper end faces of the four spring dampers 5, and fixing frames 7 bolted to the upper end faces of the four second mounting plates 6, with a filter screen 10 snapped onto the upper end face of the fixing frame 7, a mounting frame 2 fixedly mounted on one side of the main body 1, a controller 3 fixedly mounted on the upper end face of the mounting frame 2, first fixing bolts 9 threadedly fitted at the four corners of the upper end faces of the four first mounting plates 4, two second fixing bolts 11 bolted to the inner walls of both sides of the filter screen 10, a discharge port 14 fixedly mounted on the rear end face of the fixing frame 7, and two support blocks 12 fixedly mounted on the upper end of the main body 1, with sliding grooves 13 fixedly mounted on the upper end faces of the two support blocks 12.

[0025] Specifically, the upper four corners of the main body 1 are fitted with first mounting plates 4 by first fixing bolts 9. The upper surface of the first mounting plate 4 is provided with spring dampers 5. The upper surface of the spring dampers 5 is fixed by the second mounting plate 6 and the fixing frame 7. When the fixing frame 7 vibrates, the spring dampers 5 can reduce the vibration transmitted to the main body 1. Filter screens 10 are snapped onto the inner walls of both sides of the fixing frame 7. The filter screens 10 and the fixing frame 7 can be connected by the second fixing bolts 11. A vibration module 8 is embedded and fixed in the main body 1. The upper surface of the vibration module 8 is fixed to the fixing frame 7. When the vibration module 8 is started, the fixing frame 7 can vibrate. When the fixing frame 7 vibrates, the filter screen 10 can vibrate, so that the filter screen 10 can screen the material at the upper end. Two support blocks 12 are fixed to the upper surface of the main body 1. A sliding groove 13 is installed on the upper end of the support block 12. The material screened by the filter screen 10 can enter the upper end of the sliding groove 13. The sliding groove 13 can facilitate the collection of the screened material by the staff.

[0026] Referring to Figure 4, the vibration module 8 includes a fixed box 801. Two movable columns 802 are slidably arranged on the upper surface of the fixed box 801. Rotating columns 808 are rotatably arranged on the lower ends of the inner walls on both sides of the fixed box 801. A rotating motor 806 is fixedly arranged on the inner bottom surface of the fixed box 801. Fixed sprockets 807 are fixedly arranged on the output end of the rotating motor 806 and the middle of the outer surface of the rotating column 808. Cams 809 are fixedly arranged on both sides of the outer surface of the rotating column 808. Chains 810 are wound around the outer surfaces of the two fixed sprockets 807. Fixed plates 803 are fixedly arranged at the front and rear of the two movable columns 802. Telescopic columns 804 are fixedly arranged on the upper surfaces of the four fixed plates 803. Return springs 805 are fixedly arranged on the outer surfaces of the four telescopic columns 804.

[0027] Specifically, when in use, the output end of the vibration module 8 is connected to the fixed frame 7, so that the fixed frame 7 vibrates when the vibration module 8 is started. The main structure of the vibration module 8 includes a fixed box 801, a movable column 802 slidably mounted on the inner top surface of the fixed box 801, fixed plates 803 at the front and rear ends of the movable column 802 connected to a telescopic column 804 on the inner top surface of the fixed box 801, and a return spring 805 wound around the outer surface of the telescopic column 804. The return spring 805 can return the fixed plate 803 to its original position when the fixed plate 803 moves up and down. A rotating motor 806 is mounted on the inner bottom surface of the fixed box 801, and the inner walls on both sides of the fixed box 801 are rotatably mounted. There is a rotating column 808. Fixed sprockets 807 are installed on the outer surface of the rotating column 808 and the output end of the rotating motor 806. Chains 810 are wound on the outer surface of the two fixed sprockets 807 so that the rotating column 808 can rotate when the rotating motor 806 is started. A cam 809 is provided on the outer surface of the rotating column 808 near the moving column 802 so that the cam 809 can be connected to the lower end of the moving column 802. When the rotating column 808 drives the cam 809 to rotate, the moving column 802 can move up and down. The output end of the moving column 802 is fixed to the fixed frame 7. When the moving column 802 moves up and down, the fixed frame 7 can vibrate.

[0028] Working principle: A spring damper 5 is provided on the upper end face of the first mounting plate 4. The upper end face of the first spring damper 5 is fixed by the second mounting plate 6 and the fixing frame 7. When the fixing frame 7 vibrates, the spring damper 5 can reduce the transmission of vibration, so that the main body 1 can remain stable when placed on the ground. Filter screens 10 are snapped into the inner walls on both sides of the fixing frame 7. The filter screens 10 and the fixing frame 7 can be connected by the second fixing bolts 11. When the filter screens 10 are damaged, the filter screens 10 can be replaced by removing the second fixing bolts 11.

[0029] When the fixed frame 7 vibrates, the filter screen 10 vibrates, allowing the filter screen 10 to screen the material at the top. Two support blocks 12 are fixed on the upper surface of the main body 1. A sliding groove 13 is installed on the upper end of the support block 12. The material screened by the filter screen 10 can enter the upper end of the sliding groove 13. The sliding groove 13 makes it convenient for workers to collect the screened material.

[0030] 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 vibrating screen with convenient filter replacement, comprising a main body (1), characterized in that: A vibration module (8) is embedded and fixed at the rear of the upper end face of the main body (1). First mounting plates (4) are fixed to the four corner bolts of the upper end face of the main body (1). Spring dampers (5) are fixedly installed on the upper end faces of the four first mounting plates (4). Second mounting plates (6) are fixedly installed on the upper end faces of the four spring dampers (5). Fixing frames (7) are bolted to the upper end faces of the four second mounting plates (6). A filter screen (10) is snapped onto the upper end face of the fixing frame (7). The vibration module (8) includes a fixing box (801). (801) Two movable columns (802) are slidably arranged on the upper end surface; rotating columns (808) are rotatably arranged on the lower end of the inner walls on both sides of the fixed box (801); a rotating motor (806) is fixedly arranged on the bottom surface of the fixed box (801); a fixed sprocket (807) is fixedly arranged on the output end of the rotating motor (806) and the middle of the outer surface of the rotating column (808); a cam (809) is fixedly arranged on both sides of the outer surface of the rotating column (808); and a chain (810) is wound around the outer surface of the two fixed sprockets (807).

2. The vibrating screen with convenient filter replacement according to claim 1, characterized in that: A mounting bracket (2) is fixedly installed on one side of the main body (1), and a controller (3) is fixedly installed on the upper surface of the mounting bracket (2).

3. The vibrating screen with convenient filter replacement according to claim 1, characterized in that: Each of the four corners of the upper end face of the first mounting plate (4) is threaded with a first fixing bolt (9).

4. The vibrating screen with convenient filter replacement according to claim 1, characterized in that: The filter screen (10) has two second fixing bolts (11) on both sides of its inner wall, and the rear end face of the fixing frame (7) is fixed with a discharge port (14).

5. A vibrating screen with convenient filter replacement according to claim 1, characterized in that: Two support blocks (12) are fixedly provided on the upper end of the main body (1), and sliding grooves (13) are fixedly provided on the upper surface of the two support blocks (12).

6. A vibrating screen with convenient filter replacement according to claim 1, characterized in that: Both of the movable columns (802) are fixedly provided with fixing plates (803) at the front and rear.

7. A vibrating screen with convenient filter replacement according to claim 6, characterized in that: Each of the four fixed plates (803) has a telescopic column (804) fixedly installed on its upper end face, and each of the four telescopic columns (804) has a return spring (805) fixedly installed on its outer surface.