Equal-rake-angle tool bit for aviation

The utility model belongs to the field of tool bits, particularly relates to an equal-rake-angle tool bit for aviation, and aims to solve the problems that the conventional equal-rake-angle tool bit for aviation is single in function and relatively fixed in structure, is inconvenient to polish and repair when being used, needs an additional polishing tool to polish the tool bit, and reduces the use efficiency of the tool bit. The grinding device comprises a tool apron, a tool bit body, a telescopic control rod, a locking structure and a grinding structure, a control groove is formed in one side of the tool apron, the tool bit body is arranged in the control groove, a groove is formed in one end of the tool bit body, an outer ring of a bearing is fixedly installed in the groove, a moving hole is formed in the inner wall of the control groove, and the telescopic control rod is arranged in the moving hole. And the telescopic control rod is arranged in the moving hole. The equal-rake-angle tool bit for aviation i