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Spiral vibrating type classifying screen

A vibrating sieving and vibrating technology, applied in the direction of sieving, solid separation, grid, etc., can solve the problems that materials cannot be sieved correctly, and the accuracy of screening cannot be guaranteed, so as to reduce the probability of being missed, the collection method is simple, Fine effect of sieving results

Inactive Publication Date: 2017-01-04
CHENGDU DAHONGLI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned prior art cannot guarantee the accuracy of screening during the screening process, especially one-time screening will prevent the materials in the middle part from being screened correctly

Method used

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  • Spiral vibrating type classifying screen

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Experimental program
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Effect test

Embodiment 1

[0031] A spiral vibrating grading screen, comprising a hopper 1, a drive motor and a vibrating screen, the vibrating screen is in a spiral shape and rotates from top to bottom around a central axis 2, and the vibrating screen is divided into multiple parts by a plurality of sieve plates 3. a vibrating sub-sieve 4; each vibrating sub-sieve 4 is externally connected to a corresponding cylinder body 5, and there is no gap between the edge of the vibrating sub-sieve 4 and the cylinder body 5; a cylinder body 5, a sieve plate 3, a vibrating sub-sieve 4 and a vibrating sub-sieve 4 Four of the corresponding central axes 2 form a sieve compartment; the sieve apertures of each sieve compartment are the same size, and the sieve apertures of the sieve compartments decrease successively from top to bottom, and there is a sieve compartment below the bottom sieve compartment A hopper 6; each sieving compartment is connected to a drive motor; the hopper 1 is connected to the uppermost sieving...

Embodiment 2

[0034] A spiral vibrating grading screen, comprising a hopper 1, a drive motor and a vibrating screen, the vibrating screen is in a spiral shape and rotates from top to bottom around a central axis 2, and the vibrating screen is divided into multiple parts by a plurality of sieve plates 3. a vibrating sub-sieve 4; each vibrating sub-sieve 4 is externally connected to a corresponding cylinder body 5, and there is no gap between the edge of the vibrating sub-sieve 4 and the cylinder body 5; a cylinder body 5, a sieve plate 3, a vibrating sub-sieve 4 and a vibrating sub-sieve 4 Four of the corresponding central axes 2 form a sieve compartment; the sieve apertures of each sieve compartment are the same size, and the sieve apertures of the sieve compartments decrease successively from top to bottom, and there is a sieve compartment below the bottom sieve compartment A hopper 6; each sieving compartment is connected to a drive motor; the hopper 1 is connected to the uppermost sieving...

Embodiment 3

[0039] A spiral vibrating grading screen, comprising a hopper 1, a drive motor and a vibrating screen, the vibrating screen is in a spiral shape and rotates from top to bottom around a central axis 2, and the vibrating screen is divided into multiple parts by a plurality of sieve plates 3. a vibrating sub-sieve 4; each vibrating sub-sieve 4 is externally connected to a corresponding cylinder body 5, and there is no gap between the edge of the vibrating sub-sieve 4 and the cylinder body 5; a cylinder body 5, a sieve plate 3, a vibrating sub-sieve 4 and a vibrating sub-sieve 4 Four of the corresponding central axes 2 form a sieve compartment; the sieve apertures of each sieve compartment are the same size, and the sieve apertures of the sieve compartments decrease successively from top to bottom, and there is a sieve compartment below the bottom sieve compartment A hopper 6; each sieving compartment is connected to a drive motor; the hopper 1 is connected to the uppermost sieving...

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Abstract

The invention discloses a spiral vibrating type classifying screen. The spiral vibrating type classifying screen comprises a feeding hopper, a driving motor and a vibrating screen, and the vibrating screen is divided by a plurality of screen plates into a plurality of sub vibrating screens; a corresponding barrel is connected to the exterior of each sub vibrating screen, and one barrel, one screen plate, one sub vibrating screen and a corresponding center shaft form one screening compartment; and the hole diameters of screen holes of each screening compartments are the same, and the hole diameters of screen holes of the screening compartments are sequentially reduced from top to bottom. By means of the spiral vibrating type classifying screen, the spiral sub vibrating screens and the screen plates are adopted, screen holes are formed in the sub vibrating screens and the screen plates, and the sub vibrating screens and the screen plates are combined. The spiral sub vibrating screens conduct screening while conducting transporting, and screened materials are screened for the first time. When conveyed to the screen plates, the materials are screened for the second time, and the screened materials enter the next screening compartment. The sub vibrating screens and the screen plates both vibrate under the effects of the driving motor, double guarantees are achieved, the rate of leakage of wee materials is decreased, and the screening result is more exquisite.

Description

technical field [0001] The invention belongs to the field of ore classification, in particular to a spiral vibrating classifying screen. Background technique [0002] The vibrating screen works by using the reciprocating rotation vibration generated by the vibration of the vibrator. The upper rotating weight of the vibrator causes the screen surface to produce plane circular vibration, while the lower rotating weight causes the screen surface to produce conical rotary vibration. Its vibration track is a complex space curve. The projection of the curve on the horizontal plane is a circle, while the projection on the vertical plane is an ellipse. The vibration amplitude can be changed by adjusting the excitation force of the upper and lower rotating weights. And adjusting the spatial phase angle of the upper and lower weights can change the curve shape of the motion track of the screen surface and change the motion track of the material on the screen surface. [0003] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/28B07B1/42B07B1/46
CPCB07B1/28B07B1/42B07B1/46B07B1/4609
Inventor 甘德宏杨中民杨培金李海林周勇
Owner CHENGDU DAHONGLI MACHINERY
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