Aluminum alloy complex disc part isothermal precision forging die

Abstract

The invention discloses an aluminum alloy complex disc part isothermal precision forging die, and relates to an aluminum alloy disc part isothermal forging die. The invention solves the problems that the prior complex disc parts are difficult to fully fill metal, and easy to generate streamline turbulence, vortex and percolation during the forging. The connecting part of a die cavity is provided with a material storage cabin; the precision forging die also comprises a plurality of resistance wires, an asbestos board and an aluminum silicate board; an upper forging die and a lower forging die are both provided with the plurality of the resistance wires inside; and the asbestos board and the aluminum silicate board are coated on the surface of the precision forging die from inside to outside. The die adopts a double-layer heat insulation structure and effectively controls the heat dissipation of the precision forging die body, and the temperature difference is controlled within 5 DEG C; and the material storage cabin arranged on the connecting part of the die cavity effectively improves the streamline of forgings and avoids the generation of streamline fold, streamlines of the formed complex disc parts are distributed along the geometric shapes of the parts, the internals are evenly distributed, and the grain size is even and fine.

Description

technical field [0001] The invention relates to an isothermal forging die for aluminum alloy disc parts, in particular to an isothermal precision forging die for complex aluminum alloy disc parts. Background technique [0002] Aluminum alloy has the characteristics of low density and high strength. At the same time, aluminum alloy also has the advantages of good electrical and thermal conductivity, non-aging and non-corrosion. Therefore, it is increasingly becoming an ideal substitute material for modern industrial products. With the development of modern science and technology and related technologies, the application range of aluminum alloy parts has expanded rapidly, especially the complex disk parts in aerospace are mostly made of aluminum alloy materials. In the process of forging traditional forgings for aerospace complex disk parts, such as the moving disk and fixed disk under the wing, they are a pair of key force-bearing parts that cooperate with each other to adjus...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing complex disc parts are difficult to be filled with metal in the forging process, and the problems of streamline disorder, eddy current and flow-through are easy to occur, and further provide an aluminum alloy complex disc part with isothermal precision forging die

[0005] The invention has the following beneficial effects: the invention adopts a double-layer thermal insulation structure, which effectively controls the heat dissipation of the precision forging die body; During the forging process, the metal is difficult to fill, and the problems of streamline disorder, eddy current and through-flow are easy to occur, which effectively improves the streamline of forgings, avoids the occurrence of streamline folding, and forms the streamline distribution of complex disc parts. Distributed along the geometric shape of the part, the internal structure is evenly distributed, and the grain size is uniform and fine; the invention is especially suitable for the multi-step isothermal die forging process

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