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Front mold structure of injection mold

A technology of injection mold and front mold core, applied in the field of front mold structure, can solve problems such as the difficulty of mold design, and achieve the effects of reducing the probability of bumping, high processing precision and high processing efficiency

Inactive Publication Date: 2016-09-28
SUZHOU HUACHUAN PLASTIC MOLD PROD FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some parts have special shapes, so it is difficult to design the mold, and the mold structure must be designed reasonably

Method used

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  • Front mold structure of injection mold
  • Front mold structure of injection mold

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Embodiment Construction

[0013] The present invention is described below in conjunction with accompanying drawing.

[0014] The front mold structure of the injection mold of the present invention, as attached Figure 1-2 As shown, it includes a front core backing plate 1 and a front core plate 2 stacked sequentially from top to bottom; the middle part of the front core backing plate 1 and the front core plate 2 is provided with a sprue hole 3; The middle part of the bottom end surface of the front core plate 2 is provided with a transverse flow channel 4; the main channel hole 4 runs through the front core plate 1 and the front core plate 2 and communicates with the transverse flow channel 4; the front core plate 2 There are two left and right symmetrical insert cavities 5; the insert cavities 5 vertically penetrate the front mold core plate 2; the insert cavities 5 are left and right symmetrical crescent shapes, and their crescent depressions are opposite; the two inserts The cavity 5 is located on ...

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Abstract

The invention discloses a front mold structure of an injection mold. The front mold structure comprises a front mold core backing plate, a front mold core plate and a main runner hole which are sequentially arranged from top to bottom in a stacking manner, wherein a transverse runner is arranged at the middle part of the bottom end surface of the front mold core plate; the main runner hole penetrates the front mold core backing plate and the front mold core plate and communicates with the transverse runner; two insert cavities which are bilaterally symmetrical are formed in the front mold core plate and vertically penetrate the front mold core plate; the insert cavities are bilaterally symmetrical and crescent, and the crescent concave parts of the insert cavities are face to face; the two insert cavities are positioned at the left and right sides of the transverse runner; two front mold inserts are inserted in the front mold core plate; the front mold core backing plate is manufactured from hard metals; and hard materials are arranged at the bottoms of the inserts to prevent the inserts from retreating due to deformation of a mold base in production. The front mold structure is applicable to the injection mold, is used for producing crescent injection products and is high in production accuracy, capable of producing two injection products at the same time and high in machining efficiency.

Description

technical field [0001] The invention relates to the field of mold structures for plastic products, in particular to a front mold structure for an injection mold with a crescent-shaped cavity. Background technique [0002] Injection mold is an important process equipment for the production of various industrial products. With the rapid development of the plastics industry and the promotion and application of plastic products in aviation, aerospace, electronics, machinery, ships and automobiles and other industrial sectors, injection molds are widely used in various industries middle. The traditional injection mold consists of a moving mold and a fixed mold. The moving mold is installed on the movable template of the injection molding machine, and the fixed mold is installed on the fixed template of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form the gating system and the cavity, and the movable mold and the fixe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/32
CPCB29C45/32B29C45/2602
Inventor 谢永华
Owner SUZHOU HUACHUAN PLASTIC MOLD PROD FACTORY
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