Fixture for precision part machining

The utility model relates to the technical field of precision parts, in particular to a clamp for machining precision parts, which comprises a machining table, a motor groove is arranged at the top of the machining table, a rotating motor is mounted in the motor groove, and the output end of the rotating motor is connected with a rotating shaft through a coupler. The top of the rotating shaft is fixedly connected with the bottom of a rotating plate, the top of the rotating plate is fixedly connected with a supporting shaft, the two ends of the top of the rotating plate are connected with the two ends of a supporting ring through a left electric telescopic rod and a right electric telescopic rod correspondingly, the supporting ring is slidably connected with the outer wall of the supporting shaft, and the outer wall of the supporting shaft is slidably connected with a fixing ring. The supporting ring and the second supporting ring on the upper side and the lower side and the fixing ring and the second fixing r