Jig for gear shaping process of engine case

Abstract

The invention provides a jig for the gear-shaping process of an engine casing, which includes a jig body, on which a plurality of support columns for positioning a datum plane and a plurality of positioning pins for locating the center of a circle are arranged; A rotary compression cylinder, and a positioning support cylinder matched with the rotary compression cylinder. The support column locates the datum plane of the component housing through the upper end surface, and the upper end surface of the support column is supported on the inner hole step of the component housing. There are two positioning pins. The positioning of the end face reference plane is realized by using the support column, and the centering of the part shell is realized through the positioning pin, so as to realize the precise clamping and positioning of the part shell with complex structure. Cooperate with the rotary compression cylinder and the positioning support cylinder to compress the part shell, improve the processing rigidity of the part shell, prevent the deformation of the part shell in the gear shaping process, and improve the gear shaping accuracy of the internal gear in the part shell.

Description

technical field [0001] The invention relates to the field of gear shaping processing, in particular to a jig for the engine housing gear shaping process of engine housings and other thin-walled parts with complex shapes in industries such as automobiles and aerospace industries. Background technique [0002] Engines are vital components in automotive, aerospace, and more. The engine casing is often made of aluminum alloy precision casting, which has the characteristics of light weight, complex shape structure, poor rigidity, and easy deformation. The above-mentioned characteristics often cause processing difficulties in the production and processing of the engine casing. For example, some of them cannot be clamped due to the standard problem, some have poor rigidity and low machining accuracy during machining after clamping, and some have no machine tools that can process this process. In the prior art, there is no fixture specially used for gear shaping of thin-walled par...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a jig for the gear-shaping process of the engine casing, which can solve the problem that the engine casing cannot be clamped and has poor rigidity during the gear-shaping process, and can accurately locate the center of circle and the reference plane of the engine casing

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