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Pipe extrusion molding machine head

A technology of extrusion forming and extrusion head, applied in the field of pipe extrusion forming machine head, can solve the problems of inconsistent pipe wall thickness and uneven pipe density, and achieve uniform pipe wall thickness, high strength, and uniform pipe wall thickness. Effect

Inactive Publication Date: 2017-05-17
泰州市畅通管业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: the existing pipes have uneven pipe wall thickness and uneven pipe density. The present invention provides a pipe extrusion molding head to solve the above problems

Method used

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  • Pipe extrusion molding machine head
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Embodiment Construction

[0016] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.

[0017] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential", etc. The indicated orientation or positional relationship is based ...

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Abstract

The invention provides a pipe extrusion molding machine head. The pipe extrusion molding machine head comprises a machine head body and a perforated plate, wherein the machine head body and the perforated plate are used for being connected to an extrusion head of a screw-type extruder; a flow divider is installed in the machine head body, a core rod, a support and a flow-dividing cone are sequentially installed on the flow divider, and a mouth mold is installed on the machine head body; the core rod stretches into the mouth mold, the conical tip of the flow-dividing cone is installed towards the perforated plate, and a groove is formed in the outer wall of the core rod in the axial direction; and one end of the groove communicates with the outer end face of the core rod, and the other end of the groove communicates with the side face of the support. By forming the groove in the core rod, stiffeners are generated on the inner wall of a formed pipe, and the perforated plate is improved, so that the flow speed of a plastic fluid tends to be uniform, and the uniform thickness of the pipe wall is guaranteed during forming; and the pipe manufactured through the forming machine head is high in strength, and the thickness of the pipe wall is uniform, so that the service life of the pipe is greatly prolonged.

Description

technical field [0001] The invention relates to the field of extrusion molding, in particular to a pipe extrusion molding head. Background technique [0002] Extrusion forming, referred to as extrusion, is an important forming method for the continuous production of plastic products. It passes through a porous plate and a splitter, is divided into several strands by the splitter, and then merges, and finally enters the annular channel formed by the mandrel and the die. , to extrude continuous tubing. [0003] However, in the existing extrusion molding, the flow rate of the plastic fluid after passing through the perforated plate and the splitter is different, which finally leads to uneven density and inconsistent wall thickness of the produced pipe, and the strength of the pipe is low. Contents of the invention [0004] The technical problem to be solved by the present invention is: the thickness of the existing pipe wall is inconsistent and the density of the pipe is une...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C47/20B29C47/70B29C48/32
CPCB29C48/30B29C48/32B29C48/705
Inventor 邱来华
Owner 泰州市畅通管业有限公司
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