Positioning tool for quenching machining of chain wheel tooth surfaces

The invention provides a positioning tool for quenching machining of chain wheel tooth surfaces. The positioning tool comprises a tool support, a positioning tool disc, a positioning pin, a jacking air cylinder and an adjusting mechanism, wherein the positioning tool can automatically rotate the angle during machining so as to meet the angle requirement of each tooth during chain wheel quenching,eliminate errors caused by manual positioning, guarantee the process stability and reliability of chain wheel quenching machining, and improve the machining quality and production efficiency. 本发明提出链轮齿面淬火加工的定位工装，包括工装支架、定位工装盘、定位销、顶料气缸及调节机构，上述定位工装能够在加工时自动旋转角度，以满足链轮淬火时对每个齿的角度需求，消除人工定位带来的误差，保障链轮淬火加工的工艺稳定性和可靠性，提升加工质量和生产效率。