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Multi-plasmid activation and vibration equal-thick flip-flow screen

A relaxation screen and mass body technology, applied in the field of screening machinery and equipment with screen surface relaxation, and thick relaxation screens, can solve the problems of large dynamic load of the foundation, high manufacturing cost of parts, large driving power, etc., and achieve low power consumption. Dynamic load, force energy saving, damage reduction effect

Inactive Publication Date: 2018-12-07
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the shortcomings of the above two types of relaxation screens, such as large driving power, high cost of parts manufacturing, and large dynamic load of the foundation, so as to design a multi-mass active vibration and other thick relaxation screens.

Method used

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  • Multi-plasmid activation and vibration equal-thick flip-flow screen
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  • Multi-plasmid activation and vibration equal-thick flip-flow screen

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Such as figure 1 and figure 2 As shown, the iso-thick relaxation sieve for multimass activation, which includes an outer screen frame (1), a relaxation body (2), an excitation device (3), a support frame (4), a T-shaped spring vibration isolation device (5 ) and polyurethane sieve plate (6). The three relaxation bodies (2) are installed in the side plate (8) of the outer screen frame (1) through the flanges on both sides of the relaxation body (2) at 15°, 20°, and 25° to the horizontal plane, so that the whole is The banana-shaped screen surface is 15°, 20°, 25°, and the angle can be changed appropriately for screening different materials. Between the main vibrating spring (21) of the excitation device (3) and the outside of the outer screen frame (1), it is fixed with bolt compression, so that the vibration excitation device (3) is installed on the outer sc...

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Abstract

The invention discloses a multi-plasmid activation and vibration equal-thick flip-flow screen which comprises a screen frame, a flip-flow body, a vibration excitation device, a support frame, a T-shaped spring device and a polyurethane screen plate. The invention aims to provide a novel screening device which has the characteristics of multi-plasmid horizontal vibration (good for activating materials) equal-thick screening, and screen surface flip-flow. Only a horizontal shearing dynamic load is stressed on the floor, and a special vibration manner has a horizontal activation effect on the materials, so that the screening efficiency is high. Through the flip-flow screen surface, the materials are moved in a trampolining way, so that the hole blockage phenomenon is effectively solved. A motor is connected with a vibration plasmid with a small amplitude of vibration, so that an effect on protection the motor is achieved; and the vibration plasmid and a screen box are flexibly connected through multiple groups of springs, so that the stress on the overall structure is reasonable.

Description

technical field [0001] The invention discloses a multi-mass activated equal-thickness relaxation screen, which belongs to the field of screening machinery, and specifically provides a multi-mass, equal-thickness material layer, and a screen surface relaxation screening machine. It is suitable for sieving granular materials that are difficult to sieve, such as fine particles, high humidity and viscosity. Background technique [0002] At present, the existing relaxation sieve models include Liwell type relaxation sieve and vibrating relaxation sieve excited by an exciter. Analyzing the above two kinds of relaxation sieves, they have the following different shortcomings respectively. The Liwell-type relaxation screen adopts a longer crank in the design of the transmission shaft, and adopts an elastic leaf spring as a support in the supporting structure. This design brings some problems objectively. One is that the leaf spring does periodic swing for a long time. It is easy to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/34B07B1/42B07B1/46
CPCB07B1/28B07B1/34B07B1/42B07B1/46B07B1/4609
Inventor 王新文徐宁宁于驰
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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