Coal gangue vibrating screen

By introducing metal blocks and limiting components into the coal gangue vibrating screen, the problem of easy screen damage was solved, and the screen was protected and easily replaced, thus improving the stability and maintenance convenience of the screening equipment.

CN223517929UActive Publication Date: 2025-11-07XUCHANG DONGTIAN MINGRUI AGRI TECH DEV CO LTD +1
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Patent Information

Application Number
CN202422430011.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-11-07
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The existing coal gangue vibrating screens lack protective structures on the screen surface, causing large stones to fall directly, which may damage the screen and affect the screening effect.

Method used

A coal gangue vibrating screen was designed, comprising a frame, a shaking component, an installation component, a screening component, and a conveying component. Large stones are protected by metal blocks, and the limiting component facilitates screen replacement, ensuring the stability and maintainability of the screening component.

Benefits of technology

It effectively prevents large coal gangue from directly impacting the screen, reduces screen damage, facilitates screen replacement, and improves the service life and working efficiency of the screening equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of coal gangue processing, and particularly relates to a coal gangue vibrating screen which comprises a frame body, an installation assembly used for coal gangue screening protection is arranged on the surface of the frame body, a metal stop block is fixedly connected to the inner wall of the installation assembly, and a threaded locking rod is arranged on the inner wall of a limiting assembly. When the coal gangue screening device is used for screening coal gangue, the coal gangue large in size cannot collide with the surface of the metal screen, stone screened through the metal screen and the connecting piece can fall on the surface of the conveying assembly, and the screened coal gangue is conveyed to a proper position through the conveying belt structure; at the moment, when the coal gangue is vibrated and screened, through the arrangement of the mounting assembly and the metal check block, the coal gangue with the large size cannot directly fall onto the surface of the screening assembly, then the surface of the screening assembly can be effectively protected, and meanwhile if the screening assembly is damaged, the screening assembly can be conveniently replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a coal gangue processing technical field, specifically is a coal gangue concussion screen. BACKGROUND

[0002] Coal gangue is solid waste produced in the process of coal mining and processing. It is composed of rock, coal interlayer in the process of coal mining and rock with low carbon content and high ash content discharged in the process of coal preparation. When the coal gangue is processed, the screening equipment is used for screening the coal gangue.

[0003] The existing coal gangue concussion screen mainly relies on the vibration force generated by the motor to make the coal gangue jump and slide on the screen surface, so as to realize the separation according to the particle size. The coal gangue is poured into the screening equipment through the feeding bin by the forklift. However, most of the screen surfaces of the coal gangue screening equipment lack protective structures. At this time, the coal gangue will directly fall on the surface of the screen. There are large stone blocks in the coal gangue. At this time, they will directly fall on the surface of the screen, which may damage the surface of the screen, thereby affecting the screening work of the coal gangue. Therefore, we propose a coal gangue concussion screen. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a coal gangue concussion screen, which solves the problems in the background.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme:

[0006] A coal gangue concussion screen, comprising a frame, a shaking assembly for coal gangue screening is arranged on the surface of the frame, a feeding bin is arranged on the surface of the frame, an installation assembly for coal gangue screening protection is arranged on the surface of the frame, a metal stop block is fixedly connected to the inner wall of the installation assembly, a screening assembly for coal gangue screening is arranged on the inner wall of the frame, a limiting assembly is arranged on the surface of the screening assembly, a threaded locking rod is arranged on the inner wall of the limiting assembly, and a conveying assembly for outputting after coal gangue screening is arranged at the bottom of the frame.

[0007] Further, the shaking assembly comprises a motor, a connecting shaft structure is arranged on the output end of the motor, the connecting shaft structure is connected with the frame, an eccentric block is fixedly connected to the surface of the connecting shaft structure, and a spring seat is fixedly connected to the surface of the frame.

[0008] Further, the installation assembly comprises a fixed block, the fixed block is fixedly connected to the surface of the frame, an installation angle code is fixedly connected to the surface of the fixed block through bolts, a connecting frame is fixedly connected to the surface of the installation angle code, the metal stop block is fixedly connected with the connecting frame, and the connecting frame is overlapped with the frame.

[0009] Further, the screening assembly comprises a connecting piece, the inner wall of the frame body is fixedly connected with the connecting piece, and the top surface of the connecting piece is overlapped with a metal screen.

[0010] Further, the limiting assembly comprises a limiting block, the surface of the connecting piece is hingedly connected with the limiting block through a hinge, and a threaded locking rod is threadedly connected with the connecting piece, the surface of the limiting block is fixedly inserted with a threaded sleeve, and the threaded locking rod is threadedly connected with the inner wall of the threaded sleeve.

[0011] Further, the conveying assembly comprises a support frame, the top surface of the support frame is fixedly connected with a conveyor belt structure, and the conveyor belt structure is located at the bottom of the frame body.

[0012] Beneficial effects

[0013] The utility model provides a coal gangue concussion screen, has the following beneficial effects compared with prior art:

[0014] The coal gangue concussion screen, when screening coal gangue, the stone is put into through the top of the feeding bin, the shaking assembly frame body vibrates, the frame body drives the internal screening assembly to oscillate, the connecting frame is connected with the mounting angle code through the fixed block, and the metal blocking block is installed on the surface of the frame body, at this time, the coal gangue falling from the discharge port of the feeding bin will first contact the surface of the metal blocking block, at this time, the coal gangue with large volume will not fall through the gap between the metal blocking blocks to the surface of the metal screen, and the surface of the metal screen will not be impacted, the stone screened through the metal screen and the connecting piece will fall on the surface of the conveying assembly, the coal gangue screened out through the conveyor belt structure is conveyed to the appropriate position, and the limiting assembly is arranged, when the metal screen is damaged, the threaded locking rod is twisted and removed from the connecting piece, the limiting block is turned over, and the metal screen can be removed from the surface of the connecting piece for replacement, at this time, when the coal gangue is oscillated and screened, the metal blocking block is arranged through the mounting assembly, the coal gangue with large volume will not directly fall on the surface of the screening assembly, and the surface of the screening assembly can be effectively protected, and the screening assembly can be conveniently replaced when the screening assembly is damaged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a main three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a rear view schematic view of the screening structure of the utility model;

[0017] Figure 3 It is an enlarged schematic view of structure A of the utility model;

[0018] Figure 4 It is an enlarged schematic view of structure B of the utility model;

[0019] Figure 5 It is the internal schematic view of the screening structure of the utility model.

[0020] In the figure: 1, frame body; 2, shaking assembly; 201, motor; 202, connecting shaft structure; 203, eccentric block; 204, spring seat; 3, upper bin; 4, mounting assembly; 401, fixed block; 402, mounting angle code; 403, connecting frame; 5, metal stop block; 6, screening assembly; 601, connecting piece; 602, metal screen; 7, limiting assembly; 701, limiting block; 702, threaded sleeve; 8, threaded lock rod; 9, conveying assembly; 901, support frame; 902, conveyor belt structure. DETAILED DESCRIPTION

[0021] 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 protection scope of the utility model.

[0022] As Figures 1-5The illustrated coal gangue oscillation screen includes a frame body 1, the surface of the frame body 1 is provided with a shaking assembly 2 for coal gangue screening, the surface of the frame body 1 is provided with a feeding bin 3, the surface of the frame body 1 is provided with a mounting assembly 4 for coal gangue screening protection, the inner wall of the mounting assembly 4 is fixedly connected with a metal stop block 5, the inner wall of the frame body 1 is provided with a screening assembly 6 for coal gangue screening, the surface of the screening assembly 6 is provided with a limiting assembly 7, the inner wall of the limiting assembly 7 is provided with a threaded locking rod 8, and the bottom of the frame body 1 is provided with a conveying assembly 9 for outputting after coal gangue screening; Specifically, when the coal gangue is screened, the stone is transferred by the shovel of the shovel truck, the stone is directly put into the feeding bin 3, and then the stone falls downward at the discharge port of the feeding bin 3, the setting of the shaking assembly 2 can drive the frame body 1 to oscillate, the inside of the frame body 1 is provided with the screening assembly 6, the frame body 1 drives the screening assembly 6 to oscillate, at this time the screening assembly 6 can screen the input coal gangue, the surface of the frame body 1 is provided with the mounting assembly 4, the mounting assembly 4 can be disassembled, the mounting assembly 4 is connected with the metal stop block 5, the coal gangue falling from the discharge port of the feeding bin 3 first contacts the surface of the metal stop block 5, at this time the coal gangue with a larger size will not fall through the gap between the metal stop blocks 5 to the surface of the screening assembly 6, thereby the surface of the screening assembly 6 can be protected, the blocked stone will slide down with the oscillation, the remaining coal gangue is screened by the oscillation of the screening assembly 6, the coal gangue will fall on the surface of the conveying assembly 9, then the screened stone will be conveyed to the appropriate position by the conveying assembly 9, the coal gangue with a larger particle size will slide to the other side, the limiting assembly 7 is provided, when the part of the screening assembly 6 is damaged, at this time the screen structure is fixedly limited by the limiting assemblies 7 on both sides, thereby the screen structure of the screening assembly 6 can be conveniently disassembled and replaced, at this time when the coal gangue is oscillation screened, the coal gangue with a larger size will not directly fall to the surface of the screening assembly 6 by the setting of the mounting assembly 4 and the metal stop block 5, thereby the surface of the screening assembly 6 can be effectively protected, and if the screening assembly 6 is damaged, the screening assembly 6 can also be conveniently replaced.

[0023] As Figure 1 , Figure 5As shown, the shaking assembly 2 includes a motor 201, the output end of the motor 201 is provided with a connecting shaft structure 202, and the connecting shaft structure 202 is connected with the frame 1, the surface of the connecting shaft structure 202 is fixedly connected with an eccentric block 203, and the surface of the frame 1 is fixedly connected with a spring seat 204; Specifically, the setting of the shaking assembly 2, when the coal gangue is screened, the stone will be transferred through the shovel of the shovel truck, and then the stone will be directly poured through the top of the feeding bin 3, and the stone will fall down through the discharge port of the feeding bin 3, at this time the shaking assembly 2 operates, the motor 201 works, the output end of the motor 201 drives the connecting shaft structure 202 to rotate, the connecting shaft structure 202 drives the eccentric block 203 to rotate, the eccentric block 203 generates periodic excitation force, the frame 1 is connected through the spring seat 204, the spring seat 204 cooperates with the shaking of the frame 1 to make the frame 1 reciprocating vibration, the frame 1 drives the internal screening assembly 6 to oscillate, thereby the coal gangue can be oscillated and screened.

[0024] As shown in Figure 2 , Figure 4 , the mounting assembly 4 includes a fixed block 401, the surface of the frame 1 is fixedly connected with the fixed block 401, the surface of the fixed block 401 is fixedly connected with a mounting angle code 402 through a bolt, the surface of the mounting angle code 402 is fixedly connected with a connecting frame 403, and the metal block 5 is fixedly connected with the connecting frame 403, and the connecting frame 403 is lapped with the frame 1; Specifically, the setting of the mounting assembly 4, the surface of the frame 1 is connected with the mounting assembly 4, the metal block 5 is connected with the connecting frame 403 during installation, the surface of the connecting frame 403 is connected and fixed to the surface of the fixed block 401 through the mounting angle code 402, thereby completing the installation of the metal block 5, at this time the coal gangue falling from the discharge port of the feeding bin 3 will first contact the surface of the metal block 5, at this time the coal gangue with larger volume will not pass through the gap between the metal blocks 5 to the surface of the screening assembly 6, thereby protecting the surface of the screening assembly 6.

[0025] As shown in Figure 2 , Figure 5 , the screening assembly 6 includes a connecting piece 601, the inner wall of the frame 1 is fixedly connected with the connecting piece 601, and the top surface of the connecting piece 601 is lapped with a metal screen 602; Specifically, the setting of the screening assembly 6, the metal screen 602 can screen the coal gangue, the stone screened by the metal screen 602 and the connecting piece 601 will fall on the surface of the conveying assembly 9, and will be conveyed to a suitable position by the conveying assembly 9, and the coal gangue with larger particle size will slide to the other side following the oscillation of the metal screen 602.

[0026] As shown in Figure 2 , Figure 3As shown, the limiting assembly 7 comprises a limiting block 701, the surface of the connecting piece 601 is hinged to the limiting block 701 through a hinge, and the threaded locking rod 8 is threadedly connected with the connecting piece 601. The surface of the limiting block 701 is fixedly inserted with a threaded sleeve 702, and the threaded locking rod 8 is threadedly connected with the inner wall of the threaded sleeve 702. Specifically, when the metal screen 602 is damaged, the metal screen 602 is directly lapped on the surface of the connecting piece 601, and is limited and fixed through the limiting assemblies 7 on both sides. At this time, the threaded locking rod 8 is directly twisted, and the threaded locking rod 8 is twisted out of the connecting piece 601 on the threaded sleeve 702. At this time, the limiting block 701 can be turned over on the surface of the connecting piece 601, and the limiting and fixing of the metal screen 602 are released. Then, the metal screen 602 is directly removed from the surface of the connecting piece 601 for replacement. After the new metal screen 602 is installed, the limiting block 701 is turned over again, and the threaded locking rod 8 is screwed into the connecting piece 601 again. The replacement of the metal screen 602 is completed, so that the metal screen 602 can be conveniently replaced.

[0027] As shown in the drawings, Figure 1 The conveying assembly 9 comprises a support frame 901, and the top surface of the support frame 901 is fixedly connected with a conveying belt structure 902. The conveying belt structure 902 is located at the bottom of the frame body 1. Specifically, the conveying assembly 9 is arranged. The stones screened by the metal screen 602 and the connecting piece 601 fall on the surface of the conveying belt structure 902. The support frame 901 supports the conveying belt structure 902. The conveying belt structure 902 is located at the bottom of the frame body 1. The conveying belt structure 902 conveys the coal gangue screened out to a suitable position.

[0028] Working principle: the coal gangue vibrating screen, when screening coal gangue, the stone will be transferred through the shovel of the shovel, through the top of the feeding bin 3, the stone falls down through the discharge port of the feeding bin 3, at this time the output end of the motor 201 drives the connecting shaft structure 202 to rotate, the connecting shaft structure 202 drives the eccentric block 203 to rotate, the eccentric block 203 generates periodic excitation force, the frame body 1 is connected through the spring seat 204, the spring seat 204 cooperates with the shaking of the frame body 1, so that the frame body 1 reciprocating vibration, the frame body 1 drives the internal screening assembly 6 to vibrate, the surface of the frame body 1 is connected with the mounting assembly 4 and the metal stop block 5, at this time the coal gangue falling from the discharge port of the feeding bin 3 will first contact the surface of the metal stop block 5, at this time the coal gangue with large size will not fall through the gap between the metal stop block 5 and the surface of the metal screen 602, and will not collide with the surface of the metal screen 602, at the same time, the stone blocked by the metal stop block 5 will continue to slide out of the inclined surface of the metal stop block 5, the stone screened by the metal screen 602 and the connecting piece 601 will fall on the surface of the conveying assembly 9, the support frame 901 supports the conveyor belt structure 902, the conveyor belt structure 902 is located at the bottom of the frame body 1, at this time the conveyor belt structure 902 conveys the screened coal gangue to the appropriate position, the coal gangue with large particle size will slide to the other side following the vibration of the metal screen 602, the setting of the limiting assembly 7, when the metal screen 602 is damaged, the metal screen 602 is directly connected on the surface of the connecting piece 601, and is limited and fixed by the limiting assembly 7 on both sides, at this time the threaded locking rod 8 is directly screwed, the threaded locking rod 8 is screwed out of the connecting piece 601 on the threaded sleeve 702, at this time the limiting block 701 can be turned over on the surface of the connecting piece 601, the limiting and fixing of the metal screen 602 is released, then the metal screen 602 is directly removed from the surface of the connecting piece 601 for replacement, after installing the new metal screen 602, the limiting block 701 is turned over again, and the threaded locking rod 8 is screwed into the connecting piece 601 again, the replacement of the connecting piece 601 is completed.

[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coal gangue oscillating screen comprising a frame (1), characterized in that: The surface of the frame (1) is provided with a shaking assembly (2) for coal gangue screening, the surface of the frame (1) is provided with a feeding bin (3), the surface of the frame (1) is provided with a mounting assembly (4) for coal gangue screening protection, the inner wall of the mounting assembly (4) is fixedly connected with a metal stop block (5), the inner wall of the frame (1) is provided with a screening assembly (6) for coal gangue screening, the surface of the screening assembly (6) is provided with a limiting assembly (7), the inner wall of the limiting assembly (7) is provided with a threaded locking rod (8), and the bottom of the frame (1) is provided with a conveying assembly (9) for output after coal gangue screening.

2. The coal gangue oscillating screen according to claim 1, characterized in that: The shaking assembly (2) comprises a motor (201), the output end of the motor (201) is provided with a connecting shaft structure (202), and the connecting shaft structure (202) is connected with the frame (1), the surface of the connecting shaft structure (202) is fixedly connected with an eccentric block (203), and the surface of the frame (1) is fixedly connected with a spring seat (204).

3. The coal gangue oscillating screen according to claim 1, characterized in that: The mounting assembly (4) comprises a fixed block (401), the surface of the frame (1) is fixedly connected with the fixed block (401), the surface of the fixed block (401) is fixedly connected with a mounting angle code (402) through bolts, the surface of the mounting angle code (402) is fixedly connected with a connecting frame (403), and the metal stop block (5) is fixedly connected with the connecting frame (403), and the connecting frame (403) is overlapped with the frame (1).

4. The coal gangue oscillating screen according to claim 1, characterized in that: The screening assembly (6) comprises a connecting piece (601), the inner wall of the frame (1) is fixedly connected with the connecting piece (601), and the top surface of the connecting piece (601) is overlapped with a metal screen (602).

5. The coal gangue oscillating screen according to claim 4, characterized in that: The limiting assembly (7) comprises a limiting block (701), the surface of the connecting piece (601) is hinged to the limiting block (701) through a hinge, and the threaded locking rod (8) is threadedly connected with the connecting piece (601), the surface of the limiting block (701) is fixedly inserted with a threaded sleeve (702), and the threaded locking rod (8) is threadedly connected with the inner wall of the threaded sleeve (702).

6. The coal gangue oscillating screen according to claim 1, characterized in that: The conveying assembly (9) comprises a support frame (901), the top surface of the support frame (901) is fixedly connected with a conveyor belt structure (902), and the conveyor belt structure (902) is located at the bottom of the frame (1).