Screening device for coal

Abstract

The utility model relates to the technical field of coal processing, in particular to a screening device for coal, which comprises a box body and further comprises a box cover arranged at the top of the box body, a driving piece is arranged on the inner wall of the box body, a rotating rod is arranged on the outer side of the driving piece, a connecting block is fixed at one end of the rotating rod, a fixing ring is arranged on the outer side of the connecting block, and the box cover is arranged on the top of the box body. The belt pulley, the rotating rod and the connecting block can be conveniently driven to rotate by arranging the driving piece, the fixing ring can be conveniently driven to shake up and down by arranging the connecting block, the connecting rod can be conveniently fixed by arranging the fixing ring, and the connecting rod can be conveniently fixed by arranging the connecting rod. According to the coal screening device, the first screening frame, the second screening frame and the third screening frame can be conveniently shaken, then coal can be conveniently subjected to multi-stage screening, and the stability of the first screening frame, the second screening frame and the third screening frame can be conveniently improved through cooperative use of fixing rods and supporting rods.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal processing technical field, concretely is a kind of screening device for coal. BACKGROUND

[0002] Coal is an important energy resource, and has an irreplaceable position in modern society. However, traditional coal mining and use methods also bring a series of environmental problems and health risks. In order to better utilize coal resources and reduce environmental damage, people have been exploring more advanced and environmentally friendly mining and processing technologies.

[0003] In the coal washing process, screening can effectively remove impurities in coal, such as stones, soil and other unnecessary minerals, improving the purity and quality of coal, thereby increasing its market value. The existing screening device for coal processing has limitations when in use, and cannot perform multi-stage screening processing, which reduces the practicality and economy of the device. Traditional screening devices usually only have one screen hole size, and after the raw coal passes through the screen hole, it cannot be effectively separated regardless of the particle size of the raw coal, resulting in incomplete classification of the raw coal, affecting the work efficiency of subsequent crushing, screening and other processes, and also increasing equipment wear and energy consumption. In addition, since the existing screening device cannot achieve multi-stage screening processing, the particle size range of screening is limited, which may not cover the entire raw coal particle size range, thereby affecting the fine analysis and rational utilization of raw coal. SUMMARY

[0004] The purpose of the present utility model is to provide a screening device for coal to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present utility model provides the following technical solution: a screening device for coal, comprising a box body, further comprising:

[0006] A box cover is provided on the top of the box body, the inner wall of the box body is provided with a driving member, the outer side of the driving member is provided with a rotating rod, one end of the rotating rod is fixed with a connecting block, the outer side of the connecting block is provided with a fixing ring, the outer side of the fixing ring is fixed with a fixed rod, the outer side of the fixed rod is rotatably provided with a fixed frame, and the bottom of the fixed frame is fixed with the inner wall of the box body, the outer side of the fixed rod is provided with a supporting rod;

[0007] A connecting rod is fixed to the outer side of the fixing ring, the inner wall of the connecting rod is respectively provided with a third screening frame, a second screening frame and a first screening frame, and the inner wall of the third screening frame, the second screening frame and the first screening frame is provided with a sliding rod, and one end of the sliding rod is slidably connected with the inner wall of the box body.

[0008] Preferably, the third screening frame, the second screening frame and the first screening frame are fixed with a plurality of springs outside, and one end of the spring is fixed with the inner wall of the box.

[0009] Preferably, the driving member comprises a motor fixed to the inner wall of the box, and the output end of the motor is fixed with a belt pulley for driving the rotating rod to rotate.

[0010] Preferably, the inner wall of the box is fixed with a support frame, and the inner wall of the support frame is rotatably connected with the outer side of the rotating rod.

[0011] Preferably, the inner wall of the box is fixed with a support block for improving the stability of the belt pulley.

[0012] Preferably, the inner wall of the box cover is communicated with a feeding frame, and the outer side of the feeding frame is fixed with a mounting frame.

[0013] Preferably, one side of the box is provided with a mounting block, and the top of the mounting block is provided with a guide plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The driving member is arranged to conveniently drive the belt pulley, the rotating rod and the connecting block to rotate, the connecting block is arranged to conveniently drive the fixed ring to shake up and down, the fixed ring is arranged to conveniently fix the connecting rod, the connecting rod is arranged to conveniently shake the first screening frame, the second screening frame and the third screening frame, thereby conveniently performing multi-stage screening on the coal, and the fixed rod and the supporting rod are arranged to be used in cooperation to conveniently improve the stability of the first screening frame, the second screening frame and the third screening frame. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A preferred embodiment of the screening device for coal provided by the utility model is shown in the structure diagram;

[0017] Figure 2 The inner structure diagram of the box provided by the utility model is shown in the structure diagram;

[0018] Figure 3 The driving member structure diagram provided by the utility model is shown in the structure diagram;

[0019] Figure 4 The top structure diagram of the box cover provided by the utility model is shown in the structure diagram.

[0020] In the figure: 1, box; 2, box cover; 3, driving part; 31, motor; 32, belt pulley; 4, rotating rod; 5, connecting block; 6, fixed ring; 7, fixed rod; 8, fixed frame; 9, supporting rod; 10, connecting rod; 11, third screening frame; 12, second screening frame; 13, first screening frame; 14, spring; 15, supporting frame; 16, supporting block; 17, feeding frame; 18, mounting frame; 19, mounting block; 20, guide plate. DETAILED DESCRIPTION

[0021] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows in combination with the drawings and preferred embodiments.

[0022] Please refer to Figures 1-4 As shown in the figure, a screening device for coal comprises a box 1, the top of the box 1 is provided with a box cover 2, the inner wall of the box 1 is provided with a driving part 3, the outer side of the driving part 3 is provided with a rotating rod 4, the rotating rod 4 is provided to conveniently drive the rotating rod 4 to rotate, one end of the rotating rod 4 is fixed with a connecting block 5, the outer side of the connecting block 5 is provided with a fixed ring 6, the outer side of the fixed ring 6 is fixed with a fixed rod 7, the rotating rod 4 is provided to conveniently drive the connecting block 5 to rotate, the connecting block 5 is provided to conveniently drive the fixed ring 6 to shake, the outer side of the fixed rod 7 is rotatably provided with a fixed frame 8, the bottom of the fixed frame 8 is fixed with the inner wall of the box 1, the outer side of the fixed rod 7 is provided with a supporting rod 9, the fixed rod 7 is provided to conveniently improve the stability of the fixed ring 6, the fixed frame 8 and the supporting rod 9 are used in cooperation to conveniently improve the stability of the third screening frame 11, the second screening frame 12 and the first screening frame 13; the connecting rod 10 fixed to the outer side of the fixed ring 6, the inner wall of the connecting rod 10 is respectively provided with the third screening frame 11, the second screening frame 12 and the first screening frame 13, the connecting rod 10 is provided to conveniently connect the third screening frame 11, the second screening frame 12 and the first screening frame 13, and also to conveniently drive the third screening frame 11, the second screening frame 12 and the first screening frame 13 to shake, the inner wall of the third screening frame 11, the second screening frame 12 and the first screening frame 13 is provided with a sliding rod, one end of the sliding rod is slidably connected with the inner wall of the box 1, the sliding rod is provided to conveniently improve the stability of the third screening frame 11, the second screening frame 12 and the first screening frame 13, and to conveniently limit the third screening frame 11, the second screening frame 12 and the first screening frame 13.

[0023] The outer side of the third screening frame 11, the second screening frame 12 and the first screening frame 13 is fixed with a plurality of springs 14, one end of the spring 14 is fixed with the inner wall of the box 1, the spring 14 is provided to conveniently connect the third screening frame 11, the second screening frame 12 and the first screening frame 13 with the box 1.

[0024] The driving member 3 comprises a motor 31 fixed to the inner wall of the box 1, and an output end of the motor 31 is fixed with a belt pulley 32 for driving the rotating rod 4 to rotate; by arranging the motor 31, the belt pulley 32 can be conveniently driven to rotate.

[0025] The inner wall of the box 1 is fixed with a support frame 15, and the inner wall of the support frame 15 is rotatably connected with the outer side of the rotating rod 4; by arranging the support frame 15, the stability of the rotating rod 4 can be conveniently improved.

[0026] The inner wall of the box 1 is fixed with a support block 16 for improving the stability of the belt pulley 32; by arranging the support block 16, the stability of the belt pulley 32 can be conveniently improved.

[0027] The inner wall of the box cover 2 is communicated with a feeding frame 17, and the outer side of the feeding frame 17 is fixed with a mounting frame 18; by arranging the feeding frame 17 and the mounting frame 18, the coal can be conveniently fed into the box 1.

[0028] One side of the box 1 is mounted with a mounting block 19, and the top of the mounting block 19 is mounted with a guide plate 20; by arranging the mounting block 19 and the guide plate 20, the screened coal can be conveniently guided.

[0029] Working principle: firstly, the driving member 3 is started, the driving member 3 drives the rotating rod 4 to rotate, the rotating rod 4 drives the connecting block 5 to rotate, the connecting block 5 drives the fixed ring 6 to shake, the fixed ring 6 drives the connecting rod 10 to shake, the connecting rod 10 drives the first screening frame 13, the second screening frame 12 and the third screening frame 11 to shake, thereby the coal can be conveniently screened in multiple stages; by arranging the fixed rod 7, the fixed frame 8 and the supporting rod 9, the stability of the first screening frame 13, the second screening frame 12 and the third screening frame 11 can be conveniently improved; by arranging the fixed rod 7, the fixed ring 6 can be conveniently connected.

[0030] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned equivalent embodiments without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above-mentioned embodiments, which does not depart from the technical solution of the present application, are still within the scope of the present application.

Claims

1. A screening device for coal comprising a housing (1), characterized in that, Also include: The box cover (2) is arranged on the top of the box (1), the inner wall of the box (1) is provided with a driving element (3), the outer side of the driving element (3) is provided with a rotating rod (4), one end of the rotating rod (4) is fixed with a connecting block (5), the outer side of the connecting block (5) is provided with a fixed ring (6), the outer side of the fixed ring (6) is fixed with a fixed rod (7), the outer side of the fixed rod (7) is rotatably provided with a fixed frame (8), and the bottom of the fixed frame (8) is fixed with the inner wall of the box (1), the outer side of the fixed rod (7) is provided with a supporting rod (9); The connecting rod (10) is fixed to the outer side of the fixed ring (6), the inner wall of the connecting rod (10) is respectively provided with a third screening frame (11), a second screening frame (12) and a first screening frame (13), and the inner wall of the third screening frame (11), the second screening frame (12) and the first screening frame (13) is provided with a sliding rod, and one end of the sliding rod is connected with the inner wall of the box (1).

2. A screening apparatus for coal as claimed in claim 1 wherein: The outer side of the third screening frame (11), the second screening frame (12) and the first screening frame (13) is fixed with a plurality of springs (14), and one end of the spring (14) is fixed with the inner wall of the box (1).

3. A screening apparatus for coal as claimed in claim 1, wherein: The driving element (3) includes a motor (31) fixed to the inner wall of the box (1), and the output end of the motor (31) is fixed with a belt pulley (32) for driving the rotating rod (4) to rotate.

4. A screening apparatus for coal as claimed in claim 1, wherein: The inner wall of the box (1) is fixed with a supporting frame (15), and the inner wall of the supporting frame (15) is rotatably connected with the outer side of the rotating rod (4).

5. A screening apparatus for coal as claimed in claim 1, wherein: The inner wall of the box (1) is fixed with a supporting block (16) for improving the stability of the belt pulley (32).

6. A screening apparatus for coal as claimed in claim 1, wherein: The inner wall of the box cover (2) is communicated with a feeding frame (17), and the outer side of the feeding frame (17) is fixed with a mounting frame (18).

7. A screening apparatus for coal as claimed in claim 1, wherein: One side of the box (1) is provided with a mounting block (19), and the top of the mounting block (19) is provided with a guide plate (20).

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