Plastic extrusion mold

A technology of extruding molds and plastics, applied in the field of molds, can solve the problems of long heating time of core molds, affecting work efficiency, low work efficiency, etc., and achieve the effect of shortening heating time and improving work efficiency

Inactive Publication Date: 2014-02-12
NINGBO KANGRUN MACHINERY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the core mold in the existing plastic extrusion mold is heated, it depends on the heat of the outer surface of the connecting flange or the surface of the outer mold to heat. This method of heating throug

Method used

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  • Plastic extrusion mold

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Example Embodiment

[0011] The specific embodiments of the present invention will be further described below in conjunction with the drawings and embodiments. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0012] A plastic extrusion mold in the present invention includes: an outer mold 1, a core mold 2, a template 3, a connecting flange 4, a core mold 2 is arranged in the outer mold 1, and a template 3 is installed at the outer ends of the outer mold 1 and the core mold 2. Install the heater 5 outside the connecting flange 4. The outer end of the connecting flange 4 is installed with an end flange 6 and connected by bolts 7.

[0013] The core mold 2 is provided with a heating cavity 8 containing a heating device, and this heating device may be an electric heating device. An end cover 10 is installed at the outer port of the heating cavity 8 and the outer ...

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Abstract

The invention discloses a plastic extrusion mold. The plastic extrusion mold comprises an external mold, a core mold, mold plates, a connecting flange and a heater arranged outside the connecting flange, wherein the core mold is arranged in the external mold, the mold plates are mounted at the outer ends of the external mold and the core mold, a heating cavity where a heating device is mounted is arranged in the core mold, a temperature measuring tube is mounted in the heating cavity, and the gap between the core mold and the bottom of the external mold is 4-8mm. By adopting the plastic extrusion mold produced through the technical scheme, the heating time of the whole mold is shortened greatly, and the work efficiency is increased; moreover, for large-sized molds, the work efficiency capable of being increased is more obvious.

Description

technical field [0001] The invention relates to a mold, in particular to a plastic extrusion mold. Background technique [0002] When the core mold in the existing plastic extrusion mold is heated, it depends on the heat on the outer surface of the connecting flange or the surface of the outer mold. This method of heating through the connection structure makes the heating time too long, resulting in a loss of work efficiency. very low. And for the larger the mold, the heating time of the mandrel is longer, which seriously affects the work efficiency. Contents of the invention [0003] In order to solve the above problems, the present invention provides an improved plastic extrusion die with synchronous heating of the core mold and the outer mold, which can greatly shorten the heating time and improve the working efficiency. [0004] A plastic extrusion die according to the present invention includes: an outer mold, a core mold, a template, a connecting flange and a heate...

Claims

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Application Information

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IPC IPC(8): B29C47/12B29C47/86B29C47/92B29C48/92B29C48/30
CPCB29C48/92B29C48/865B29C48/30B29C2948/92209B29C2948/92409B29C2948/92704B29C2948/92904
Inventor 徐新
Owner NINGBO KANGRUN MACHINERY TECH
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