Mold formed by buckle core pulling mechanism

A technology of core-pulling mechanism and buckle, which is applied in the field of molding molds for plastic products, can solve problems such as easy-to-break mold structure requirements, difficulty in ensuring product size, and mold instability, so as to reduce defective rate, improve production efficiency, and have a simple structure compact effect

Active Publication Date: 2018-10-26
DALIAN LUANYI PRECISION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Plastic products with buckles are widely used in daily life. The wall thickness of the buckle part is thin and easy to break, which requires high mold structure. At present, the most commonly used plastic products with buckles is the molding of strong release mechanism. The mechanism has problems such as high scrap rate, mold instability, and difficulty in ensuring product size tolerances

Method used

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  • Mold formed by buckle core pulling mechanism
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  • Mold formed by buckle core pulling mechanism

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Embodiment Construction

[0019] Specific embodiments of the invention will be described in detail below in conjunction with technical text and accompanying drawings.

[0020] When assembling the mould, the wedge 6 is fitted in the square hole processed by the base plate of the fixed mold 1 and is limited by the hanging table. The wedge pressure plate 5 is installed in the cavity processed by the base plate 1 of the fixed mold. It is locked and fixed, and the inclined guide column 13 is fitted in the inclined hole processed by the fixed mold insert 22 and is limited by the hanging table. In the cavity, the bolt passes through the fixed template 2 to lock and fix the fixed mold insert 22 with it, the spring A8 is installed in the counterbore of the fixed template 2, the fixed mold bottom plate 1 is in contact with the fixed template 2, and the shoulder bolt A7 passes through Tighten the fixed mold base plate 1 and spring A8 with the fixed mold plate 2 for positioning (see figure 1 ); the spring B14 is ...

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Abstract

The invention discloses a mold formed through a buckle core-pulling mechanism, and belongs to the field of thermoplastic plastic forming molds. According to the mold, a tapered wedge 6, a spring A8 and a shouldered tap bolt A7 are matched for use, so that a sliding block insert A11 makes pulling-first rectilinear motion, packaging force and resistance are reduced for disengaging a horizontal buckle part of a plastic product, and the smooth demolding is realized. A spring D21, a shouldered tap bolt B20, a movable mold insert A27, a movable mold insert B28 and a movable mold insert C29 are matched for use, packaging force and resistance are reduced for disengaging a vertical buckle part of the plastic product, and the smooth demolding is realized. Under the action of an oblique guide pillar 13 and a spring C16, demolding of a sliding block insert C25 and a sliding block insert D26 and ejection of a sliding block insert B15 can be performed at the same time, stress evenness of the product buckle part during demolding is guaranteed, scratching of the buckle part is prevented, and the reject ratio in batch production is reduced; smooth demolding of the product is achieved, and the technical requirement and using requirement are met; and mold space is effectively utilized, the structure is simple and compact, and production efficiency is improved.

Description

technical field [0001] The invention belongs to the field of molding molds for thermoplastic plastics, and relates to a molding mold formed by a buckle core-pulling mechanism, which is mainly applied to molding molds of plastic products with precision buckles. Background technique [0002] Plastic products with buckles are widely used in daily life. The wall thickness of the buckle part is thin and easy to break, which requires high mold structure. At present, the most commonly used plastic products with buckles is the molding of strong release mechanism. The mechanism has problems such as high scrap rate, unstable mold, and difficulty in ensuring product size tolerance. Contents of the invention [0003] The object of the present invention is to provide a mold formed by a buckle core-pulling mechanism, which can realize uniform stress on the buckle part by the effect of spring tension, and realize smooth demoulding of the buckle part. [0004] The technical problem to be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/33B29C45/44
CPCB29C45/332B29C45/4435
Inventor 许斌于春雨曹元
Owner DALIAN LUANYI PRECISION ENG
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