A form grinding device for large modulus straight groove end face spline

Abstract

The invention discloses a forming grinding machining device of a large-modulus straight groove end surface spline. The device comprises a fixing plate; one side of the fixing plate is fixedly connected to one end of a fixing shaft; a plurality of grooves are formed in the periphery, close to the other end, of the fixing shaft and are uniformly distributed on the periphery of the fixing shaft; a scissor fork mechanism is hinged to the interior of each groove; an arc-shaped plate is arranged in each groove; the concave surfaces of the arc-shaped plates face the corresponding grooves and are hinged to the corresponding scissor fork mechanisms; each arc-shaped plate can be completely located in the corresponding groove; and a first gear sleeves the fixing shaft. The device has the advantages that intermittent working of a stepping motor and intermittent stretching and retracting of the scissor fork mechanisms can be realized only by a simple control circuit, the structure is simple, a plurality of grinding wheels can grind the spline at the same time, so that the grinding machining efficiency of the spline can be improved, a heating plate can preheat spline gear teeth, so that the subsequent heat treatment time can be saved, and therefore the efficiency of the whole spline machining process can be improved.

Description

technical field [0001] The invention belongs to the field of mechanical manufacturing, in particular to a forming grinding device for large modulus straight groove end face splines. Background technique [0002] Straight groove end face spline teeth are widely used, mainly for the connection of rotary bodies, the indexing of fixtures and the positioning of functional parts, etc., and have been applied in the field of aero-engines in my country. Such as the connection of the engine flying with the receiver ball cage. The connection between the engine turbine disc and the drum shaft under high temperature and high speed rotation is connected by spline teeth on the straight profile end face. As the application of end spline teeth becomes more and more extensive, the requirements for the connection of end splines in the aviation field are also getting higher and higher. Due to the particularity of aviation materials, the accuracy requirements for the end face spline teeth also...

AI Technical Summary

Problems solved by technology

However, there is currently no jig specially used for spline grinding, which leads to large errors during grinding, and the precision of the processed splines cannot meet the ideal requirements.

Images