Polystyrene extruding machine

Abstract

A polystyrene extruding machine comprises an extrusion pipe, a motor, a screw, an extrusion head, a feeding cabin, a heat supply device, and a fluid pressure balancing device, wherein the motor is mounted at one end of the extrusion pipe; the other end of the extrusion pipe is connected with the fluid pressure balancing device; the end of the extrusion pipe close to the motor is provided with a feeding opening; the screw is connected with the motor, and is mounted in the extrusion pipe; a vertical pulley cone is fixed onto the screw; a cycloid needle-type stirrer is fixed onto a horizontal pulley cone meshed with the vertical pulley cone; the heat supply device is mounted on the outer surface of the extrusion pipe; the fluid pressure balancing device comprises a discharging barrel, a hydraulic barrel, and a slide bar; the fluid pressure balancing device is connected with the extrusion head. The polystyrene extruding machine is reasonable in design and simple in structure, can effectively avoid mechanical failure and the output of a rejected product and a degraded product, is low in cost and easy to maintain, and can increase economic benefits for an enterprise.

Description

technical field [0001] The invention belongs to the field of extrusion material processing and production equipment, and in particular relates to a polystyrene extruder capable of maintaining fluid pressure balance in an extrusion system, easy to disassemble and maintain, high in extrusion efficiency and good in quality. Background technique [0002] The extrusion of polystyrene is generally to add molten polystyrene to the extruded tube equipped with a screw, and inject gas at the same time. A heating device is installed on the extruded tube to keep the polystyrene in the extruded tube melted. state. Under the rotation and stirring of the screw in the extrusion tube, the melted polystyrene and gas are fully dissolved to form a single-phase, non-nuclear, uniform polystyrene solution containing gas, which is injected into the mold through the extrusion port and cooled to form. [0003] During the extrusion process, the screw in the extruded tube needs to rotate at a constant...

AI Technical Summary

Problems solved by technology

[0004] However, the structure of existing extruders with pressure balance function is relatively complicated, and disassembly and assembly are very difficult, which brings certain difficulties to maintenance.

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