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Oxygenation method and oxygenation device for high pressure casting

A high-pressure casting and high-pressure technology, which is applied in the field of high-pressure casting oxygenation and its oxygenation device, can solve the problem of unequal control of oxygenation time and rhythm, and achieve the effect of simple structure and low oxygen consumption

Active Publication Date: 2016-01-20
FOSHAN NANHAI SUPERBAND MOLD
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  • Abstract
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  • Claims
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Problems solved by technology

After long-term exploration and experimentation, we found that the main defect of the traditional oxygenation method is that the oxygenation time rhythm is not properly controlled.

Method used

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  • Oxygenation method and oxygenation device for high pressure casting

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Embodiment Construction

[0023] The oxygenation method and the oxygenation device of the high pressure casting applying the technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] like figure 1 As shown, the high-pressure casting system includes a casting press, and the casting press includes a pressure chamber 24, and the pressure chamber 24 communicates with a mold cavity 27; the mold includes a fixed mold 25 and a movable mold 26.

[0025] The left side of the pressure chamber 24 is provided with an extruding piston 23 , and the right side is provided with an air inlet pipe 21 , and a gate 20 through which liquid metal enters is arranged between the air inlet pipe 21 and the extruding piston 23 . The drive shaft 22 of the extrusion piston 23 is connected to a drive cylinder (not shown in the figure). When the metal liquid is poured from the gate 20 into the pressure chamber 24, the metal liquid can flow into the mold cavit...

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Abstract

The invention discloses an oxygenation method of high-pressure casting, which comprises an air inlet pipe which is communicated with the pressure chamber of a high-pressure casting press, wherein an oxygen supply system is communicated with the air inlet pipe; the high-pressure casting press is characterized in that a compressed air supply system is connected with the pipeline of the air inlet pipe in parallel; before the oxygen supply system supplies oxygen, the compressed air supply system is adopted to supply air for the air inlet pipe so as to sweep the pressure chamber and check whether the air inlet pipe is communicated with the pressure chamber. With adoption of the above oxygenation method and the oxygenation device, oxygen can be effectively added to metal liquid in the cavity; the oxygenation device is simple in structure and less in oxygen consumption amount. Therefore, the application of the oxygenation method and the oxygenation device for high-pressure casting can be realized.

Description

technical field [0001] The invention relates to an oxygenation method for high-pressure casting and an oxygenation device thereof. Background technique [0002] The method of adding oxygen in the process of high pressure casting has become popular at home and abroad in recent years. However, in practical applications, the casting effect is not ideal, and the quality of the cast products is not much improved compared with the traditional casting scheme, and the expected effect has not been achieved. Tracing it to its cause is that there is serious defect in oxygenation method and device thereof. After long-term exploration and experimentation, we found that the main defect of the traditional oxygenation method is that the rhythm of oxygenation time is not properly controlled. Contents of the invention [0003] According to the deficiencies in the prior art, the present invention proposes an oxygenation method for high pressure casting and an oxygenation device thereof. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/20
Inventor 简伟文胡志彬
Owner FOSHAN NANHAI SUPERBAND MOLD
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