Vibrating screen with spiral track

Abstract

The invention relates to a vibrating screen with spiral track, which belongs to the field of vibratory screening machinery. The vibrating screen can enable material particles to achieve spiral motion state on a screening surface, solves the problem of hole blocking by difficult-to-be-screened materials or critical particles, and increases the percent through screen. The vibrating screen consists of a screen box, a screen surface, a double-shaft vibration source, lateral vibration sources, an anti-vibrating spring and a support, wherein the double-shaft vibration source enables the screening box to move in rectilinear motion track in the specified vibration direction in the longitudinal plane; two lateral vibration sources with the same performance are symmetrically arranged on the two sides of the screen box and rotate in the same direction to make the screen box generate a lateral circular motion track; and the vibration composition of the double-shaft vibration source and the lateral vibration sources makes the screen box generate a spiral motion track. The vibrating screen is used for the screening of difficult-to-be-screened materials, and is characterized by compact structure, stable operation and high screening efficiency.

Description

Technical field: [0001] The invention belongs to the field of vibration screening machinery and is mainly used for screening difficult-to-sieve materials in various industries. It can make material particles realize a spiral motion track on the screen surface, solve the problem of difficult-to-sieve materials or critical particles stuck in holes, and increase the probability of screen penetration. Background technique: [0002] In the existing conventional vibrating screen, the vibration of the screen machine can only achieve three trajectories: straight line, circle and ellipse. These three trajectories all occur in the longitudinal plane of the vibrating screen, so that the material particles only have The movement of the X-axis direction and the Y-axis direction through the sieve force, the particles are not forced in the Z-axis direction, so that once the difficult-to-sieve particles or irregular critical particles are stuck in the screen holes, it is difficult to find a ...

AI Technical Summary

Problems solved by technology

[0002] In the existing conventional vibrating screen, the vibration of the screen machine can only achieve three trajectories: straight line, circle and ellipse. These three trajectories all occur in the longitudinal plane of the vibrating screen, so that the material particles only have The movement of the X-axis direction and the Y-axis direction through the sieve force, the particles are not forced in the Z-axis direction, so that once the difficult-to-sieve particles or irregular critical particles are stuck in the screen holes, it is difficult to find a suitable force angle to pop out Or fall off, and then form a plugged hole, affecting the screening efficiency

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