Water-cooling temperature-control forming die for light alloy plates

Abstract

The invention discloses a water-cooling temperature-control forming die for light alloy plates, which comprises an upper die plate, a first upper cushion plate, a second upper cushion plate, a blank holder, a female die, a male die, a lower cushion plate, a lower die plate, a circulation water cooling system and a temperature control system. Both the blank holder and the female die are provided with heating devices, temperature measuring holes are disposed in the blank holder, the female die and the male die, temperature measuring elements are mounted in the temperature measuring holes, acquired temperatures of various dies are respectively transmitted to the temperature control system by the temperature measuring elements, and the temperature control system heats up or cools down the corresponding dies according to the die temperatures acquired by the temperature measuring elements. Temperatures of the female die, the blank holder and the male die can be precisely controlled. The temperatures of the female die, the blank holder and the male die are respectively controlled, a flange of a workpiece is heated up, the male die is cooled down, accordingly, flowing stress of materials of a flange area is reduced, the strength of materials of a fillet of the male die is kept, temperature-differential deep drawing process is realized, and more complicated light alloy parts in deep drawing can be manufactured.

Description

technical field [0001] The invention relates to a mold, in particular to a water-cooled temperature-controlled forming mold for a light alloy plate, which belongs to the technical field of molds in mechanical engineering. Background technique [0002] Light alloys mainly refer to aluminum alloys and magnesium alloys, which have the advantages of low density, high strength, good rigidity, good thermal conductivity and high recycling rate, and have great application potential in auto parts, aviation, aerospace, electronics and other industries. However, some light alloy sheets, such as magnesium alloys and high-strength aluminum alloy sheets, have poor formability at room temperature due to their own microstructure, and are difficult to apply in practice. Therefore, such light alloy parts mainly adopt the die-casting process. Compared with die-casting, the sheet metal forming process will not pollute the environment and can produce parts with good mechanical properties and str...

AI Technical Summary

Problems solved by technology

"Its disadvantages are: there are defects in the design of the cooling liquid circulation circuit in the punch, which may lead to insufficient circulation cooling on one side, and the lack of temperature acquisition and control equipment, it is difficult to ensure that the low temperature of the punch is maintained under all forming temperature conditions and the stability of forming conditions; the die adopts cooling cycle, which can improve the strength of the material at the fillet of the die. According to the literature research, the crack at the fillet of the die is not the main reason for the failure of the material forming. Heating, resulting in too long heating time and reduced production efficiency

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