Gear grinding clamp

The utility model provides a gear grinding clamp belongs to mechanical hot investment casting technical field. Gear grinding clamp includes base, piston, pull rod, expanding sleeve and body, and the base can be dismantled with the body and be connected, and it has the chamber that holds that holds the piston to open on the base, open the hole that has accommodating linkage on the body, the one endand the piston fixed connection of pull rod, the other end stretches out the body, the one end of keeping away from the base at the body is established to the expanding sleeve cover, and expanding sleeve's the other end terminates in the outer wall of pull rod, the side of base is opened flutedly, is equipped with the pressure sensor who surveys pressure between piston and the base in the recess.The application provides a gear grinding clamp simple structure, low in manufacturing cost, loading and unloading convenience are equipped with pressure sensor on the base, be convenient for look over pressure and the change