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Shrinkage-prevention die casting die

A die-casting mold and anti-shrinkage cavity technology, which is applied in the field of auto parts die-casting production, can solve problems such as little effect and reduce mechanical properties of castings, and achieve the effect of solving shrinkage cavity and shrinkage porosity and avoiding damage.

Inactive Publication Date: 2016-08-03
安徽纯启动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these existing technologies have little effect on solving the shrinkage porosity and shrinkage cavity formed by the internal shrinkage of die castings.
The existence of shrinkage cavity and shrinkage porosity usually greatly reduces the mechanical properties of castings

Method used

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  • Shrinkage-prevention die casting die

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Embodiment Construction

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

[0014] see figure 1 , the embodiment of the present invention includes:

[0015] An anti-shrinkage cavity die-casting mold, comprising: a fixed mold seat plate 2 and a movable mold seat plate 9, the fixed mold seat plate 2 is opposite to the movable mold seat plate 9, and a fixed mold fixed plate 3 and a fixed mold cover plate 4 are installed on one side , the side of the movable mold base plate 9 facing the fixed mold base plate 2 is equipped with a movable mold cover plate 11 and a push rod fixing plate 8, and the push rod fixing plate 8 is equipped with a push rod 7 and an ejector rod 10, and the fixed mold cover plate There is a die-casting cavity 12 forming a die-casting part between 4 and the movable mold cover plate 11, and an extrusion hole 16 communicating with the die-casting cavity 12 is arranged on the fixed mold cover pl...

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Abstract

The invention discloses a shrinkage-prevention die casting die which comprises a fixed die seat plate and a movable die seat plate. A die casting cavity for forming a die casting is formed between a fixed die sleeve plate and a movable die sleeve plate. A spherical dead head is arranged beside the die casting cavity and is provided with a pouring gate. The pouring gate is connected with a sprue, and the sprue is formed in the fixed die seat plate. The spherical dead head is arranged beside the thickest part of the die casting. An extrusion hole communicating with the die casting cavity is formed in the fixed die sleeve plate and a fixed die fixing plate. An extrusion punch is arranged in the extrusion hole. By means of the shrinkage-prevention die casting die, the spherical dead head is arranged beside the thickest wall part of the casting for the causes of shrinkage and shrinkage porosity, meanwhile, in the die casting molding process, pouring liquid is solidified into a semi-solid state, the extrusion punch conducts extrusion on the wall thickness position of the product, the functions of feeding and compacting are achieved, the problems of shrinkage and shrinkage porosity of the casting are effectively solved, and the quality of the casting is improved.

Description

technical field [0001] The invention relates to the field of die-casting production of auto parts, in particular to an anti-shrinkage cavity die-casting mold. Background technique [0002] Die casting is a fast-growing metal forming precision casting method with high efficiency and less cutting in modern metal processing technology. Die castings have high dimensional accuracy, low surface roughness values, and high strength and hardness. Due to the above advantages, the die casting process has been widely used in all walks of life in the national economy. In addition to being used in automobiles and motorcycles, instruments, and industrial appliances, die castings are also widely used in household appliances, agricultural machinery, radio, communications, machine tools, transportation, shipbuilding, cameras, clocks, computers, textile equipment and other industries. Among them, the automobile and motorcycle manufacturing industry is the most important application field, wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/22
CPCB22D17/22B22D17/2272
Inventor 夏纯翠
Owner 安徽纯启动力科技有限公司
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