Quick clamp for plane gasket oil groove machining

The utility model relates to a quick clamp for machining an oil groove of a plane gasket. The clamp is characterized by comprising a disc-shaped clamp body, the front end of the clamp body is providedwith a positioning boss used for positioning an inner hole of a plane gasket, the clamp body is provided with an inner hole coaxial with the positioning boss, a guide key is fixedly arranged on the side wall of the inner hole, a supporting plate is arranged in the inner hole in a sliding mode, and the supporting plate is provided with a key groove matched with the guide key; the pneumatic fingeris eccentrically arranged and fixedly connected with the supporting plate, the two symmetrically-arranged pressing plates are fixedly connected to the two finger ends of the pneumatic finger respectively, and the pressing plates are in a crescent shape. A support is fixedly arranged at the rear end of the clamp body, the pressing air cylinder is fixedly arranged on the support, and a piston rod ofthe pressing air cylinder