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Vacuum valve air-extracting device for die-casting mold

A technology of air extraction device and die-casting mold, which is applied in the field of die-casting molds, can solve the problems of affecting the molding quality of products, easily generating pores, and pores, and achieves the effects of quick exhaust, avoiding pores, and a wide range of applications

Inactive Publication Date: 2018-09-04
宁波北仑益鸣企业管理服务有限公司
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  • Application Information

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Problems solved by technology

[0002] At present, during the die-casting molding process, the gas in the die-casting mold is exhausted through the air channel and the plate-type exhaust block in the aluminum liquid filling process, and the remaining air in the cavity is not completely exhausted, and the air is filled back to the filling. It is very easy to generate pores inside the product, which will cause pores defects in the product and affect the molding quality of the product

Method used

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  • Vacuum valve air-extracting device for die-casting mold
  • Vacuum valve air-extracting device for die-casting mold
  • Vacuum valve air-extracting device for die-casting mold

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 , figure 2 In the shown embodiment, a vacuum valve exhaust device for die-casting molds includes a movable mold frame 1 and a static mold frame 3 matched with the movable mold frame. The movable mold frame is provided with a positioning Groove, the positioning groove is provided with air extraction valve body 2, and the two sides of air extraction valve body are provided with parallel installation holes, and the valve body fixing bolts 5 that are connected with movable die frame are provided in the installation holes. After the air extraction valve body is installed in place, the outer surface of the air extraction valve body is flush with the mating surface.

[0025] The side of the air extraction valve body facing the static mold frame is provided with an air groove flow channel 2a, the air extraction valve body is ...

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Abstract

The invention discloses a vacuum valve air-extracting device for a die-casting mold. The vacuum valve air-extracting device comprises a movable mold frame and a fixed mold frame matched with the movable mold frame. An air-extracting valve body flush with the mold assembly surface is arranged on the movable mold frame. An air duct passage is formed in the side, towards the fixed mold frame, of theair-extracting valve body. An air-extracting hole is formed in the air-extracting valve body. A tappet making the air-extracting hole and the air duct passage in a normally-closed state is arranged inthe air-extracting valve body. An ejection pin used for driving the tappet to make the air-extracting hole communicate with the air duct passage is arranged on the side, towards the static mold frame, of the air-extracting valve body. By adoption of the vacuum valve air-extracting device for the die-casting mold, residual air can be exhausted.

Description

technical field [0001] The invention belongs to the field of die-casting moulds, in particular to a vacuum valve suction device for die-casting moulds. Background technique [0002] At present, during the die-casting molding process, the gas in the die-casting mold is exhausted through the air channel and the plate-type exhaust block in the aluminum liquid filling process, and the remaining air in the cavity is not completely exhausted, and the air is filled back to the filling. Pores are easily generated inside the molded product, causing the product to have porosity defects and affecting the molding quality of the product. Contents of the invention [0003] The present invention aims to overcome the above-mentioned deficiencies in the prior art, and provides a vacuum valve air extraction device for die-casting molds for removing residual air. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: [0005] A vacuum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/22B22D17/20B22D17/14
CPCB22D17/14B22D17/20B22D17/22
Inventor 姚贤君胡宁安
Owner 宁波北仑益鸣企业管理服务有限公司
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