Method for expanding use of middle die device of copper rotor die-casting die

A die-casting mold and copper rotor technology, applied in the field of die-casting molds, can solve the problems of capital backlog, increased manufacturing cost of cast copper rotors, increased mold inventory pressure, etc., to achieve the effects of convenient operation, reduction of inventory pressure, and avoidance of repeated processing.

Active Publication Date: 2015-07-08
云南铜业压铸科技有限公司
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Problems solved by technology

In addition, because the middle mold insert is not in contact with the molten metal, its life is much longer than the life of the mold that is in contact with the molten metal, resulting in the processing of multiple lengths of the middle mold insert increasing the pressure on the mold inventory, resulting in a backlog of funds
For these reasons, the cost of manufacturing cast copper rotors increases

Method used

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  • Method for expanding use of middle die device of copper rotor die-casting die

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Embodiment

[0017] Embodiment: For example, the frame number 145 produced by the applicant company has 7 specifications of iron core length: 60mm, 70mm, 80mm, 85mm, 90mm, 95mm, and 105mm. Fixing block 1, upper Huff front fixing block 4, lower Huff front fixing block 5 and lower Huff rear fixing block 9 each 1 piece, process 3 pieces each of upper pad 2 and lower pad 8 with a length of 10mm, processing 15mm The length of the upper block 2 and the lower block 8 are 1 each, and the total length of all inserts is 105mm. According to this method, only one set of 105mm-length middle mold insert device can be processed to realize the production of 7 specifications of products. The assembly relations to realize product production are as follows:

[0018] (1) The upper half rear fixed block 1, the upper half front fixed block 4, the lower half front fixed block 5 and the lower half rear fixed block 9 with a length of 30 mm are fixed and installed to a length of 60 mm in the middle mold length;

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Abstract

The invention relates to a method for expanding the use of a middle die device of a copper rotor die-casting die and belongs to the technical field of die-casting dies. The middle die device is the middle die device of a conventional copper rotor die-casting die. According to the method, different upper cushion blocks (2), supporting columns (6) and lower cushion blocks (8) are replaced to adjust the total length, wherein the upper cushion block (2) and the lower cushion block (8) are processed to be as long as each other, or to be composed of two or more cushion blocks; the cushion blocks are the same or different in thickness, and the thickness can be decided according to the change of the product length; each part is formed and fixed by use of the overall dimension or by use of a positioning pin. The method is simple and convenient to operate; the repeated machining of the middle die is avoided; the free change of different iron core lengths of the same product can be realized; the die machining cost can be greatly reduced; the inventory pressure is reduced.

Description

Technical field: [0001] The invention relates to a method for expanding the use of a middle mold device of a copper rotor die-casting mold, which belongs to the technical field of die-casting molds. Background technique: [0002] The conventional rotor die-casting mold structure consists of a movable template, a fixed template, a movable mold insert, a middle mold insert for placing the rotor iron core steel sheet, and a static mold insert, wherein the middle mold insert for placing the rotor iron core steel sheet follows the The length of the rotor core varies. For the rotor of the same frame size, the size of the copper rings on both sides is fixed, and the length varies with the frame size or the number of poles. At present, the middle mold insert adopts the structure of upper and lower halves, and the length changes with the length of the product, which requires new processing, that is, a set of iron core length to process a set of middle mold inserts, such as the 145 fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/22
Inventor 杨红梅梁栋杨华忠浦周猛步毅杨旭王勤王光斌陈杰李继云刘大强晏得才邓陈兴冯俊峰付志华朱雪芬常涛杨镠燚何泽吴文斌李联保李德宏杨万斌蔺高峰赵紧玉晨宋昆胡金雄沈良弼卯明辉
Owner 云南铜业压铸科技有限公司
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