Production method of ultra-high molecular weight polyethylene pipe and extruder die used therefor

Abstract

The invention provides a production method of an ultrahigh molecular weight polyethylene tube, and an extruder die used thereby, and belongs to the field of production of tubes in order to solve the problems of non-uniform tube blank discharging and crocodile skin rupture in the prior art. One side of the bottom end of a shunting support is connected with an extruder die input end, the other sideof the bottom end of the shunting support is connected with one end of an extruder die connector, and the top end of the cylinder of the shunting support is connected with a core die; a core die oil cooling tank is arranged in the core die; a mouth die is connected with the other end of the extruder die connector, and sleeves the core die; a mouth die oil cooling tank is arranged in the mouth die;the oil inlet of a core die oil inlet tube is connected with the oil outlet of a die temperature controller, and the oil outlet of the core die oil inlet tube is connected with the oil inlet of the core die oil cooling tank through an oil tube connector; the oil outlet of a core die oil outlet tube is connected with the oil inlet of the die temperature controller, and the oil inlet of the core die oil outlet tube is connected with the oil outlet of the core die oil cooling tank; the oil inlet of a mouth die oil inlet tube is connected with the oil outlet of the die temperature controller, andthe oil outlet of the mouth die oil inlet tube is connected with the oil inlet of a mouth die oil cooling tank; and the oil outlet of a mouth die oil outlet tube is connected with the oil inlet of the die temperature controller, and the oil inlet of the mouth die oil outlet tube is connected with the oil outlet of the mouth die cooling tank.

Description

technical field [0001] The invention relates to the technical field of pipe production, in particular to a production method of an ultra-high molecular weight polyethylene pipe and an extruder die used therefor. Background technique [0002] At present, the production methods of ultra-high molecular weight polyethylene pipes include: raw material mixing, pipe blank extrusion production, cooling and setting, pulling, cutting to length, inspection and storage. Among them, the extrusion production of the tube embryo is realized by the extruder, the cooling and shaping is usually realized by the vacuum calibrating box, and the traction is realized by the tractor. In the prior art, since the tube embryo extruded from the extruder is relatively soft, in order to ensure the smooth progress of production, a traction tube is usually provided. The traction tube is inserted into the vacuum calibrating box from the tractor and Pass through the sizing sleeve of the vacuum calibrating bo...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems existing in the existing ultra-high molecular weight polyethylene pipe production method, which are prone to uneven discharge of the extruded tube blank, crocodile skin cracking of the extruded tube blank when pulled by external force, and easy waste of resources. To solve the technical problems, provide a production method of ultra-high molecular weight polyethylene pipes and the extruder die used therein

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