A kind of copper mold die-casting forming mold and method thereof

A technology of die-casting molding and copper molds, which is applied in the field of copper alloy die-casting, can solve the problems of short service life and quality defects of copper molds, and achieve the effects of high accuracy of external dimensions, long service life and improved service life

Active Publication Date: 2016-05-11
YUNNAN COPPER CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide a copper mold die-casting mold and its method, aiming at solving the problems of quality defects and short service life of copper molds produced in the existing copper mold die-casting process

Method used

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  • A kind of copper mold die-casting forming mold and method thereof
  • A kind of copper mold die-casting forming mold and method thereof
  • A kind of copper mold die-casting forming mold and method thereof

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Embodiment

[0029] Heat and melt the copper to obtain copper water with a copper content of 99.9%. Pour 3.3 tons of copper water into the lower mold at a casting temperature of 1150 degrees. After the copper water is poured, press the upper mold in a certain way. into the lower mold.

[0030] The process of pressing the upper mold into the lower mold is divided into two steps. The first step is to press the upper mold into the position 4~8mm away from the lower mold, and stay for 3~6 minutes; the second step is to completely press the upper mold into the lower mold. If there is too much copper water in the second step, the excess copper water will flow out from the overflow tank of the upper mold. In the present invention, the process of pressing the upper mold into the lower mold is divided into two steps. The advantage is that in the first step, the purpose of leaving a gap and staying for a certain period of time is to allow the gas and impurities in the copper water to float up, while...

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Abstract

The invention discloses a die and method for copper die die-cast formation. The method comprises the steps that copper is heated and melted into molten copper and the molten copper with the preset weight is poured into a lower die; after the molten copper is poured into the lower die, an upper die is firstly pressed into the lower die, the distance between the upper die and the lower die is a first preset distance, after the first preset distance is maintained for first preset time, the upper die is completely pressed into the lower die, overflowed molten copper is controlled to flow out from an overflow groove of the upper die, and the situation is maintained for second preset time; water is poured to the lower die, so that the upper die is separated from the lower die, and the copper die which is taken out is cooled until the temperature of the copper die is equal to the indoor temperature.

Description

technical field [0001] The invention relates to the field of copper alloy die-casting, in particular to a copper die-casting molding die and a method thereof. Background technique [0002] At present, when domestic copper smelting enterprises produce electrolytic copper plates, they must first prepare copper anode plates, and the production of copper anode plates is often obtained by casting on copper molds with disc casting machines. Therefore, the copper mold is the mold for the disc casting machine to cast the copper anode plate. The quality and service life of the copper mold directly affect the production efficiency and output of the copper anode plate. [0003] In the prior art, the production of the copper mold mainly adopts the die-casting process, and the quality of the die-casting process determines the quality, production efficiency and service life of the copper mold. Existing copper mold production equipment includes fully open and semi-open production methods....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/22
Inventor 陈忠良高峰鄢明彭庆超袁杰岳向东孙凯娄玉斌谷丞管桂生吕文帅毛庆
Owner YUNNAN COPPER CO LTD
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