Vibrating screen capable of automatically dredging screen

Abstract

The invention relates to the technical field of vibrating screen equipment, in particular to a vibrating screen capable of automatically dredging a screen. The vibrating screen comprises a vibrating screen tank body and a dredging mechanism. The vibrating screen is characterized in that the vibrating screen tank body is a cylindrical hollow tank body with the bottom sunk inwards, a bearing throughhole is formed in the center of the bottom of the tank body, a fine powder outlet is formed in the edge of the bottom of the tank body, a plurality of flanges located on the same horizontal line arearranged on the inner side surface of the tank body, the screen is erected on the upper portions of the flanges, the outer ring of the vibrating screen tank body is fixedly connected with a hold hoop,the dredging mechanism comprises an umbrella-shaped top plate, a motor and a hydraulic lifting table, the umbrella-shaped top plate is a conical umbrella-shaped round plate, a plurality of ejector pins with the diameter smaller than the diameter of screen meshes are fixed to the positions, corresponding to the screen meshes, of the top of the round plate, and the center of the bottom of the roundplate is connected with the motor through a motor shaft. The vibrating screen has the beneficial effects that the phenomenon that the screen is blocked after the vibrating screen is used for a long time is avoided, and the production efficiency is improved.

Description

(1) Technical field [0001] The invention relates to the technical field of vibrating screen equipment, in particular to a vibrating screen for automatically dredging a screen. (2) Background technology [0002] The working principle of the vibrating screen is to divide the broken material groups with different particle sizes through the single-layer or multi-layer screen surface with uniform holes for many times, and divide them into several different levels of screening. The particles larger than the sieve hole remain on the sieve surface, which is called the oversize of the sieve surface, and the particles smaller than the sieve hole pass through the sieve hole, called the undersize of the sieve surface. The actual screening process is: after a large number of broken materials with different particle sizes and mixed thicknesses enter the screen surface, only a part of the particles are in contact with the screen surface. The gap in the gap is further expanded, and small p...

AI Technical Summary

Problems solved by technology

[0003] However, the existing vibrating sieve is used for screening, especially in the screening of medicinal powder. The screen mesh of the long-running vibrating screen is easily blocked by fine medicinal powder, so that the whole work cannot go on. The screen must be replaced and cleaned. , It wastes a lot of time to go back and forth, making the work efficiency low

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