High-temperature alloy round-heaven square-earth thin-wall cylindrical guide pipe forming die and forming method

Abstract

The invention discloses a high-temperature alloy round-heaven square-earth thin-wall cylindrical guide pipe forming die and a forming method. The forming die comprises a lower die plate (2), a left-side concave die (3), a convex die (4), an opening gasket (5), a flat plate (6), a positioning column (7), an upper die plate (8), a T-shaped key (9), a cone (10), a right-side concave die (11), a shouldered guide column (12) and a guide sleeve (13). By adopting a split convex die and a die structure with the convex die respectively mounted on the upper and lower die plates in a blocked manner and by adopting a step-by-step forming method, the forming problem of special-shaped profile thin-wall cylinders and the difficulty of part mounting and demounting are solved effectively, and needs on developing novel aero engines are met.

Description

technical field [0001] The invention belongs to the field of mechanical processing, and relates to a forming mold and a forming method of a thin-walled tubular conduit in a high-temperature alloy Tianyuan place. Background technique [0002] For the structure of superalloy thin-walled cylindrical conduit parts, refer to figure 1 with figure 2 , for the structure of the high duct parts to be formed figure 1 with figure 2 , the conduit part is a thin-walled cylindrical part made of superalloy material with a round sky and a square shape. Its upper end surface transverse section is a circular section line a with a diameter of φd, the lower end surface transverse section shape is a rectangular section line b, and the rectangular section line The four corners of b are rounded, the projection point of the center of φd on the transverse section of the lower end surface is point O, the width of rectangular section line b is greater than φd and equidistant from point O, the leng...

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Problems solved by technology

In view of the surface characteristics of the catheter parts in the round sky, it is difficult to guarantee the quality of the mold structure by only using the convex mold to divide the bulging surface. The local concave surface must be formed by a concave mold. In addition, due to the influence of the part structure, the loading and unloading of the parts during molding is very difficult. difficulty

At present, there are no domestic and foreign public literatures about the forming dies of this kind of high-temperature alloy materials with thin-walled cylindrical tube parts.

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