Device for shredding waste plastic

Abstract

The invention discloses a device for breaking waste plastics. The device comprises a frame, wherein a breaking chamber is fixed on the frame; a feeding channel is communicated with the breaking chamber; a breaking mechanism is in rotatable connection with the interior of the breaking chamber; a discharging port is formed at the bottom of the breaking chamber; a sealing cover is arranged at the discharging port; the sealing cover is in sliding connection with the interior of the discharging port; a first air-feeding pipe is communicated with the bottom of the breaking chamber; a first cooler is arranged on the first air-feeding pipe; a conveying pipe is communicated with a material feeding pipe; a negative pressure blade is arranged in the conveying pipe; a cutting edge is arranged on the negative pressure blade; a reciprocating pushing device is arranged between the material feeding pipe and the conveying pipe; an inclined plate which is opposite to the reciprocating pushing device is arranged on a side wall of the material feeding pipe; the inclined plate inclines from the material feeding pipe to the reciprocating pushing device. According to the invention, the negative pressure blade with the cutting edge, the mutually cooperated reciprocating pushing device and inclined plate, the breaking mechanism, the first air-feeding pipe and the first cooler are arranged, so that the breaking quality is promoted and the subsequent steps are reduced.

Description

technical field [0001] The invention relates to the mechanical field of crushing plastics, in particular to a device for crushing waste plastics. Background technique [0002] At present, most of the plastic recycling process requires the use of crushers, and the recycled plastics must be put into the crusher to be broken into small particles before further processing. A traditional crusher generally includes a crusher working room, a crushing motor knife installed at the bottom of the crusher working room, a fixed knife set opposite to the crusher machine knife, a feeding port set on the upper part of the crusher working room, and a crusher located under the crusher knife. The discharge mesh plate. During the crushing process of the traditional crusher, the bulk plastic will roll up and down in the crusher working room, and the residence time is long, so it cannot be broken into small particles quickly, and the crushing efficiency is low, which seriously affects the output...

AI Technical Summary

Problems solved by technology

[0004] The above solution solves the problem of low work efficiency in the prior art, but there are still certain problems. 1. After the waste plastics are crushed, the waste plastics need to be stored for use, and the heated waste clinker is discharged from the crushing chamber At this time, the operator needs to cool the plastic before it can be sent into the storage bin, which increases the follow-up steps, prolongs the operation time, and increases the labor intensity; 2. After the plastic is heated, the plastic becomes soft and the viscosity increases , when using the cutter head to cut plastic, the cutter head is easy to stick to the plastic, and the sticky cutter head will not be able to cut the plastic in the next cutting, which will lead to the waste plastic cutting broken particles Different diameters, lower crushing quality

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