Clamp claw of elastic film gear pitch circle positioning clamp

The utility model discloses a clamp claw of an elastic film gear pitch circle positioning clamp. A through hole is arranged at the upper part of the clamp claw, the clamp claw is fixed on the positioning clamp through a fixing element arranged in the through hole, the lower part of the clamp claw is made into a circular arc-shaped positioning part, the bottom end of the circular arc-shaped positioning part is a circular arc positioning surface, and the circular arc positioning surface is in a circular arc structure matched with the outer circle outline of a gear to be processed, wherein a stop device used for clamping the gear to be processed is arranged on the circular arc positioning surface. The clamp claw has the advantages that the gear to be processed can be firmly clamped in the processing process and cannot be easily disengaged to fly out, in addition, the roundness of the processed gear is good, and the qualification rate is high, so the clamp claw can be widely applied to the gear processing.