Sieving and crushing device

Abstract

The invention discloses a sieving and crushing device. The device comprises a base and a sieve box, wherein two layers of sieve plates are arranged in the sieve box, the size of sieve pores of the upper layer sieve plate is larger than that of sieve pores of the lower layer sieve plate, the upper layer sieve plate and the lower layer sieve plate are obliquely arranged in the same direction in thesieve box, an included angle between the upper layer sieve plate and the horizontal direction is larger than that between the lower layer sieve plate and the horizontal direction, and the two layers of sieve plates horizontally vibrate in the opposite directions in the sieving process. According to the device, the two sieve plates which have included angles correspondingly and move relative to each other are arranged in the sieving box, so that the dual functions of sieving and crushing are realized, the utilization rate of powder coatings is improved, continuous sieving is realized, the device is simple, and the operation cost is low.

Description

technical field [0001] The invention relates to the technical field of material screening, in particular to a screening and crushing device for powdery or granular materials. Background technique [0002] In the process of life, many powdery materials need to be screened and separated. However, due to factors such as moisture or heat, powdery materials may agglomerate, and powdery materials need to be screened. The current screening method mainly puts powdery materials into On the sieve, manually vibrate the sieve to make powdery materials that meet the requirements come out, but this screening method not only consumes a lot of manpower, has low screening efficiency, but also has problems such as flying dust and polluting the working environment. [0003] In order to solve the above problems, the Chinese invention patent with the authorized notification number CN201520287829.4 discloses a vibrating screening device for powder coatings. The sieve is fixed inside the cylinder ...

AI Technical Summary

Problems solved by technology

However, this solution still has the following technical problems. The sieving equipment has a single function and can only simply sieve the materials. The utilization rate of materials is greatly reduced; in order to improve the utilization rate of materials in the existing technology, a crushing device is added to grind bulk materials, but this solution has problems such as complex equipment and high operating costs

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