A shaking type material screening device

Abstract

The invention discloses a vibrating material screening device, which comprises a casing, a screening mechanism is installed in the casing, an upper cover is installed on the casing, and a lifting backing plate is fixedly connected in the middle of the screening mechanism , the lifting backing plate and the inner wall of the housing are slidably connected, the upper end of the lifting backing plate is fixedly connected with a threaded rod, the threaded rod vertically slides through the upper cover, and the upper end of the upper cover is installed with a drive The drive mechanism for the vertical reciprocating lifting of the threaded rod. The invention can drive the threaded rod to reciprocate vertically through the operation of the driving mechanism, thereby pulling the screening mechanism to vibrate vertically, thereby improving the material screening efficiency. The design of the driving mechanism can drive the threaded rod to reciprocate at a non-uniform speed to avoid material accumulation due to inertia On the screening mechanism, the screening efficiency is further improved. The screening mechanism continuously tilts the guide material, which can promote the movement of the material and avoid the accumulation of impurities on the surface of the screening mechanism to affect the screening.

Description

technical field [0001] The invention relates to the field of material screening, in particular to a shaking type material screening device. Background technique [0002] In the process of material processing, it is often necessary to go through the process of screening and cleaning. [0003] In the prior art, filter screens are generally used for screening of materials, but the efficiency of conventional filtration is low. In the existing processing, the initial movement speed of the material is often increased, or the vibration frequency of the filter is increased to improve the screening efficiency, but under the regular movement of the filter, many materials will move relative to the movement of the filter. Therefore, the filtration effect can only be improved to a limited extent. At the same time, as the filtration time increases, a large amount of unfiltered impurities will accumulate on the filter screen, which will also affect the passing effect of materials. Conte...

AI Technical Summary

Problems solved by technology

In the existing processing, the initial movement speed of the material is often increased, or the vibration frequency of the filter is increased to improve the screening efficiency, but under the regular movement of the filter, many materials will move relative to the movement of the filter. Therefore, the filtration effect can only be improved to a limited extent. At the same time, as the filtration time increases, a large amount of unfiltered impurities will accumulate on the filter screen, which will also affect the passing effect of materials.

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