Forming mold for power turbine casing wax model

Abstract

The invention provides a molding die for a power turbine case wax mold, comprising: a mold base, a bottom mold boss is arranged in the center of the mold base, and an inner mold groove is opened on the top surface of the bottom mold boss; the mold base A ring of templates is arranged around the boss of the bottom mold; the top surface of the mold base is radially and evenly provided with a plurality of outer mold guide rails around the template; the inner mold structure includes an inner mold ring wall and a ferrule, the ring wall of the inner mold is provided with a plurality of large inner molds and a plurality of small inner molds, and the large inner molds and the small inner molds are arranged at intervals in turn, and each of the large inner molds and the small inner molds The sides of the inner mold are closely attached, and the ring wall of the inner mold is inserted into the groove of the inner mold; the present invention has simple structure, convenient demoulding method, fully melted and filled injection cavity, and reduces the weight of the mold itself, so that It is easier for workers to operate, which can effectively improve the production efficiency of the power turbine casing wax model.

Description

technical field [0001] The invention relates to the technical field of precision casting, in particular to a molding die for a power turbine casing wax model. Background technique [0002] Precision casting is a general term for precise casting processes obtained by precise molding methods. Compared with traditional sand casting processes, precision castings obtain castings with more accurate dimensions and better surface finish, including investment casting, ceramic casting, metal casting, and pressure casting. Casting and lost foam casting. Investment casting is a commonly used component manufacturing process in the aviation field. [0003] A power turbine is a turbomachinery that converts gas energy into mechanical work to drive external loads (such as propellers or rotors, etc.) in a gas turbine engine. The quality of the wax model of the power turbine casing directly affects the quality of the turbine engine. In the prior art, the production of power turbine casing wa...

AI Technical Summary

Problems solved by technology

[0004] The invention provides a molding die for a power turbine case wax mold, which aims to solve the problems of difficulty in demoulding, the position of the injection hole is not conducive to the dissolution of the injection material, and the overall weight of the molding mold.

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