Machined part stamping positioning mechanism

The utility model relates to the technical field of stamping part positioning mechanisms, and discloses a stamping positioning mechanism for a machined part. The machined part stamping and positioningmechanism comprises a lower die holder, the right end of the lower die holder is connected with a first rotating shaft in a sleeved mode, the front end and the rear end of the first rotating shaft penetrate through the front face and the back face of the lower die holder and extend to the outside, the first rotating shaft is fixedly connected with a push plate, and the left end of the push plateis fixedly connected with the right end of an air cylinder. According to the machined part stamping positioning mechanism, by arranging the first limiting block, the second limiting block and the baffle, positioning of a to-be-stamped part is achieved, the ends of the first limiting block and the second limiting block are provided with protruding blocks, and the protruding blocks enable the firstlimiting block and the seco