Device for preventing die core from corner collapse

A mold core, slump technology, applied in the field of injection mold processing, can solve problems such as increased cost, waste, appearance and size defects of plastic products

Inactive Publication Date: 2013-07-31
TIANJIN ZHONGHUAN SANFENG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem of mold core collapse will cause defects in the appearance and size of plastic products in the processing of plastic products, thereby increasing costs and causing waste

Method used

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  • Device for preventing die core from corner collapse
  • Device for preventing die core from corner collapse

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] As shown in the figure, the device for preventing the mold core from collapsing includes the mold core 3, and also includes the jig plate 1 and the screw 2. The jig plate 1 is placed on the upper part of the mold core 3 for alignment, and the screw holes are distributed in the jig plate 1. , use screw 2 to fix it with mold core 3.

[0015] The dimensions of the fixture plate 1 are the same as those of the mold core 3 . The material of the fixture plate 1 is the same as that of the mold core 3 .

[0016] Fix the device on the workbench of the numerical control electric machining machine tool, and process it with the electrode 4 according to the normal electric machining process. on the mold.

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Abstract

The invention relates to an injection mold, in particular to a device for preventing a mold insert from corner collapse. The device comprises a mold insert, a jig plate and bolts, wherein the jig plate is aligned with the upper part of the mold insert, screw through holes are distributed inside the jig plate, and the jig plate and the mold insert are fixed through the bolts. The dimension of the jig plate is the same with that of the mold insert. The jig plate and the mold insert are made of the same material. The device is unique in design, has a simple structure, is convenient to process, is easy to demount, the accuracy of the mold insert and the processing cost are ensured, and meanwhile the problem of corner collapse of the mold insert can be solved fundamentally.

Description

technical field [0001] The invention relates to the field of injection mold processing, in particular to a device for preventing mold core collapse of an injection mold. Background technique [0002] Plastic products are more and more widely used in various fields of production and life, so the shape of their products is becoming more and more complex, and the requirements for the appearance and size of the products are also getting higher and higher, which in turn results in the shape of the parting surface of the injection mold for the production of plastic products It's getting more and more complicated. Difficulties in manufacturing molds are mainly reflected in the processing of mold cores, which usually use direct processing and top surface reserved processing. Their processing methods are: [0003] Method 1, using electric spark discharge machining, use a small current at the beginning of discharge and then gradually increase the current to the normal value to avoid ...

Claims

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Application Information

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IPC IPC(8): B23H9/00
Inventor 闫国瑞闫丽丽姬建军弓海峰
Owner TIANJIN ZHONGHUAN SANFENG ELECTRONICS
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