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Pouring process of short insulator pressing plate

A technology of insulators and pressure plates, which is applied in the field of pouring process of short insulator pressure plates, can solve the problems of difficulty in guaranteeing the accuracy of plastic products, and achieve the effects of simple structure, convenient operation, and accurate dimensions

Inactive Publication Date: 2021-06-15
杨洋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] It is well known that in the field of extrusion dies for plastic profiles with complex sections, the development of plastic profile sections has higher requirements for structural performance, shape, size, and tolerance. Shape, size, and tolerance requirements ensure that the design, production, and ease of use of the mold can be met. For the unconventional mold sections that continue to appear, new molds must be developed to meet customer requirements, especially in recent years. The profiles replaced by PVC raw materials can realize the production of PVC extrusion dies with complex sections by using this complex section plastic profile extrusion die, so as to meet the diverse requirements of profile assembly, but the existing mold structure can produce The accuracy of plastic products is difficult to guarantee and cannot meet the needs of the market

Method used

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  • Pouring process of short insulator pressing plate

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Experimental program
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Effect test

Embodiment 1

[0013] A limit screw 3 is set on one side of the front template 1 and the rear template 2 so that the front template 1 and the rear template 2 are merged into one body, a pressing gap 4 is formed between the front template 1 and the rear template 2, and a positioning ring is set in the middle of the upper part of the front template 1 5. A gating system 6 is set under the middle part of the positioning ring 5. The gating system 6 is in the shape of a "six". Runner rods 7 are set between the two sides above the gating system 6 and the positioning ring 5, and the front mold core is set in the middle of the lower part of the front formwork 1. 8. A rear mold core 9 is set in the upper middle of the rear formwork 2, a short insulator core 10 is set in the middle of the rear mold core 9, a support column 12 is set on the rear formwork 2 below the rear mold core 9, and the middle part of the rear formwork 2 corresponds to a short insulator core 10 is provided with a push rod 11, a retu...

Embodiment 2

[0015] Adjust the limit screw 3 so that the front template 1 and the rear template 2 are merged together, the extrusion gap 4 between the front template 1 and the rear template 2 is 0.05-0.1mm, the pouring tube is fixed with the front template 1 through the positioning ring 5, and pouring The glue in the pipe enters the pouring system 6 from the pouring port and enters the cavity of the short insulator core 10 between the front mold core 8 and the rear mold core 9 from the glue outlet, and the cooling liquid in the runner rod 7 cools the pouring system 6 , keep the gating system 6 within the set temperature range, the temperature of the glue liquid entering from the gate is 260-280°C, the injection pressure is 100 Pa, the time is 3 seconds, and the temperature after entering the cavity is 280°C. The pressure holding pressure is 85 Pa, the time is 3 seconds, the temperature of the second stage is 260°C, the temperature of the third stage is 240°C, and the temperature of the four...

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Abstract

The invention provides a pouring process of a short insulator pressing plate. A limiting screw is adjusted to enable a front mold plate and a rear mold plate to be combined together, the extrusion gap between the front mold plate and the rear mold plate ranges from 0.05 mm to 0.1 mm, a pouring pipe is fixed to the front mold plate through a positioning ring, a glue solution in the pouring pipe enters a pouring system from a pouring port and enters a cavity of a short insulator core between a front mold core and a rear mold core from a glue outlet, cooling liquid in a runner pull rod cools the pouring system, so that the pouring system is kept in a set temperature range, the glue solution enters the cavity from the pouring port, and the glue in the cavity is cured to form a finished short insulator; and the front end of a push rod ejects a short insulator core out of the finished short insulator in the rear mold core, so that a product falls into the extrusion gap. The pouring process of the short insulator pressing plate provided by the invention is convenient to operate, high in practicability, and convenient to install and maintain, effectively guarantees the quality and accuracy of the product, greatly improves the working efficiency, and reduces the production cost.

Description

technical field [0001] The invention relates to a mould, in particular to a casting process for a short insulator pressing plate. Background technique [0002] It is well known that in the field of extrusion dies for plastic profiles with complex sections, the development of plastic profile sections has higher requirements for structural performance, shape, size, and tolerance. Shape, size, and tolerance requirements are guaranteed to meet the requirements of mold design, production, and ease of use. For unconventional mold sections that continue to appear, new molds must be developed to meet customer requirements, especially in recent years. The profiles replaced by PVC raw materials can realize the production of PVC extrusion dies with complex sections by using this complex section plastic profile extrusion die, so as to meet the diverse requirements of profile assembly, but the existing mold structure can produce The accuracy of plastic products is difficult to guarantee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C45/40
CPCB29C45/26B29C45/2602B29C45/4005
Inventor 杨洋
Owner 杨洋