Air exhausting method of high-pressure casting die and die

A technology of high-pressure casting and exhaust method, applied in the field of high-pressure casting molds, can solve the problems of decreased product strength, reduced product compactness, increased rejection rate, etc., to strengthen product strength, improve compactness, production efficiency and product qualification rate boosted effect

Inactive Publication Date: 2013-01-30
上海嘉朗实业有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, it will reduce the compactness of the product, reduce the strength of the product, and increase the scrap rate.

Method used

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  • Air exhausting method of high-pressure casting die and die
  • Air exhausting method of high-pressure casting die and die
  • Air exhausting method of high-pressure casting die and die

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Embodiment 1

[0019] A high-pressure casting mold can realize the method of the present invention, and it is composed of a movable mold and a fixed mold.

[0020] Among them: such as figure 1 , 2 As shown, the vent hole 11 provided on the fixed mold (with the cavity 14 ) directly penetrates the fixed mold core 12 , and then opens obliquely downward on the mold frame 13 at the bottom of the mold core 12 .

[0021] Such as image 3 As shown, a blind hole with a depth of 5-8 mm is opened on the moving mold. This structure is mainly to allow a part of aluminum chips to stop in the blind hole when exhausting, and to blow away the aluminum chips from the blind hole when spraying. This prevents the aluminum chips from clogging the vent. In order to avoid interference with the cooling water channel and to facilitate the blowing away of aluminum chips during spraying, the blind hole cannot be opened too deep.

[0022] During use, an exhaust groove 2 is opened in the middle of the slag bag 3 and ...

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Abstract

The invention relates to a high-pressure casting die and particularly relates to an air exhausting method of the high-pressure casting die and the die. An air exhausting hole is formed in front of a cinder ladle and an air exhausting groove is arranged between the cinder ladle and the air exhausting hole. With the adoption of the air exhausting method and the casting die disclosed by the invention, the density of a product is improved and the product strength is enhanced; and the defects of air holes, cold marks, looseness or flow marks and the like can be obviously improved, and the production efficiency and the product yield can be obviously improved.

Description

technical field [0001] The invention relates to a high-pressure casting mold, in particular to a high-pressure casting mold exhaust method and the mold. Background technique [0002] When designing die-casting molds, for products that are similar to rings or hollow in the middle, it is necessary to set a slag bag at the middle puncture position, which will encounter problems such as difficulty in exhausting. Due to poor exhaust, air holes, cold lines, looseness or flow marks often occur. Therefore, it will cause a decrease in the compactness of the product, a decrease in product strength, and an increase in the reject rate. Contents of the invention [0003] The object of the present invention is to provide a kind of exhaust method of high-pressure casting mold and mold, it mainly solves the technical problem existing in above-mentioned prior art, adopts exhaust method of the present invention and die-casting mold not only can improve the compactness of its product, Stre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/22
Inventor 向荣建
Owner 上海嘉朗实业有限公司
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