Plastic particle screening device

Abstract

The invention discloses a plastic particle screening device which structurally comprises a pulverizing bin, a screening device, a working cavity and a bottom frame. The pulverizing bin is arranged onthe working cavity, the working cavity is in communication with the pulverizing bin, the screening device is arranged in the working cavity, the bottom frame is arranged at the bottom of the outer wall of the working cavity, and the bottom frame and the outer wall of the working cavity are mechanically welded. The plastic particle screening device has the beneficial effects that an external negative pressure source is used for sucking particles in the screening cavity into a collecting cavity, the large particles are stuck, and the current is used for increasing the magnetic properties of a positive pole magnetic block; and according to the principle of homosexual repulsive, a rod body is driven to rotate to jack out the stuck particles, the particles are subjected to secondary pulverization, and the problems that as the quantity of the plastic particles is too large, the blocked particles are gradually increased in the filtering process, meshes can be blocked, and even the particles meeting the specification cannot pass through the meshes are solved

Description

technical field [0001] The invention relates to the field of equipment for producing plastic granules, in particular to a screening equipment for plastic granules. Background technique [0002] After the development of plastic products, they are widely used. Since plastics are difficult to be decomposed by tiny molecules, plastics must be recycled after use and processed and recycled here. The current plastic particle screening equipment has the following defects: [0003] After the plastic products are recycled, they are crushed and reprocessed. The crushed plastics will have some particles with different sizes. It is necessary to screen the crushed plastic particles and crush them again. The traditional screening method is to set up a filter The net intercepts the particles that do not meet the specifications. Due to the large amount of plastic particles, the particles that will be intercepted during the filtration process will gradually increase and the mesh will be block...

AI Technical Summary

Problems solved by technology

[0003] After the plastic products are recycled, they are crushed and reprocessed. The crushed plastics will have some particles with different sizes. It is necessary to screen the crushed plastic particles and crush them again. The traditional screening method is to set up a filter The net intercepts the particles that do not meet the specifications. Due to the large amount of plastic particles, the particles that will be intercepted during the filtration process will gradually increase and the mesh will be blocked so that the particles that meet the specifications cannot pass through the mesh.

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