Multi-layer screen mesh structure

A technology of sieve mesh and sieve hole, applied in the direction of sieve, solid separation, grid, etc., can solve the problem that the effect needs to be improved, and achieve the effect of improving the sieving effect, increasing the degree of disorder, and strong plasticity

Active Publication Date: 2020-08-25
安徽省太和县天宇筛网有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In traditional multi-level screening, screens of various specifications are basically set on a moving mechanism, and these screens are synchronized together. Although the screening effect can be achieved, the effect still needs to be improved.

Method used

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Embodiment

[0037] Such as figure 1 As shown, the present invention provides a multi-layer screen structure, including several nested screens, the number of screens is greater than or equal to 2, and the sieve apertures of these screens decrease successively from the inside to the outside, these The screens are all cylindrical and coaxial, and these screens can rotate freely, that is, each screen is a free end;

[0038] The innermost sieve is set on the support 5 through a main shaft 3, and the sieve can rotate in the circumferential direction relative to the main shaft 3; there are two support 5, located at both ends of the sieve respectively.

[0039] The rotation of each screen is reciprocating, and the rotation angles in both directions (because the screen rotates in the circumferential direction, so the two directions are forward rotation and reverse rotation) are all acute angles, that is, the screen is in reciprocating motion. The angle of one-way swing is an acute angle; the rota...

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Abstract

The invention discloses a multi-layer screen mesh structure. The multi-layer screen mesh structure comprises a plurality of screen meshes nested together, the screen meshes can rotate freely, the screen mesh located on the innermost layer is arranged on supports through a main shaft, and can rotate in the circumferential direction relative to the main shaft, the screen meshes rotate in a reciprocating mode, the rotating angles of the screen meshes in the two directions are acute angles, when one of the screen meshes rotates towards one direction, the rotation between the two adjacent screen meshes is delayed, a speed difference is formed between the two adjacent screen meshes, and a plurality of driving units in one-to-one correspondence with all the screen meshes are arranged on the supports. According to the multi-layer screen mesh structure, multi-layer screening is achieved through the multiple layers of screen meshes of different specifications, independent rotation between the two adjacent screen meshes is used for achieving delay and speed difference of the two adjacent screen meshes and delay and speed difference of the screen meshes in the two displacement directions, so that relative movement is formed among the plurality of screen meshes, and the screening effect is improved.

Description

technical field [0001] The invention relates to the technical field of screening devices, in particular to a multi-layer screen structure. Background technique [0002] Screening is a form of reciprocating motion with short displacement and relatively fast, and uses the effect of inertia to achieve the screening effect. At present, in order to improve the screening effect, various multi-layer screen structures appear on the market, and then achieve two and above screening methods. [0003] In traditional multi-level screening, screens of various specifications are basically set on a moving mechanism, and these screens are synchronized together. Although the screening effect can be achieved, the effect still needs to be improved. Contents of the invention [0004] In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a multi-layer screen structure, which uses multiple screens of different specifications to realize multi-l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/22B07B1/42B07B1/46
CPCB07B1/22B07B1/42B07B1/4663B07B2201/04
Inventor 徐宏林刘利
Owner 安徽省太和县天宇筛网有限公司
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