A kind of closed special-shaped pneumatic component forming and correcting general mold and component forming method

Abstract

A universal die for closed special-shaped pneumatic component forming and shape correcting comprises a first upper die body (1), a second upper die body (2), a first lower die body (3), a second lowerdie body (4) and a material supplementing device (5). Forming grooves are machined in the middles of the first upper die body (1), the second upper die body (2), the first lower die body (3) and thesecond lower die body (4). The first upper die body (1) and the second upper die body (2) are spliced on the side face to form an upper die. The first lower die body (3) and the second lower die body(4) are mutually spliced on the side face to form a lower die. After the upper die and the lower die are spliced, the forming grooves of the first upper die body (1), the second upper die body (2), the first lower die body (3) and the second lower die body (4) are consistent with a to-be-machined component in appearance. The material supplementing device (5) is installed at the tail end of the forming groove of the second lower die body (4). According to the universal die, precise hot forming and shape correcting of a special-shaped pneumatic component are guaranteed, the formed special-shapedpneumatic component is stable in quality, the size precision, the profile precision and the surface quality are high, and later local shape correcting can be finished.

Description

technical field [0001] The invention belongs to the field of thermal processing mold design, and relates to a general mold for forming and correcting shape and a component forming method. Background technique [0002] At present, aerospace product parts are developing in the direction of light weight, complexity and integration. More and more large-scale and complex thin-walled components with special-shaped surfaces are used. The structure of this type of parts has irregular shapes, such as polygonal or special-shaped surfaces. Aluminum alloy materials are widely used in aerospace, rail transit, weaponry and other fields due to their excellent performance. [0003] Due to the structural characteristics of the irregular shape of this type of parts, it cannot be solved by conventional rolling, spinning and other processes. However, when ordinary hot stamping is used, multiple sets of coupling molds are required, and they can only be assembled and welded after segmented formin...

AI Technical Summary

Problems solved by technology

[0003] Due to the structural characteristics of the irregular shape of this type of parts, it cannot be solved by conventional rolling, spinning and other processes. However, when ordinary hot stamping is used, multiple sets of coupling molds are required, and they can only be assembled and welded after segmented forming. However, after assembly and welding, thermal correction is still required to ensure dimensional accuracy, resulting in high processing costs and low efficiency.

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