Universal clamp for small part machining

The utility model discloses a universal fixture for machining small parts, and solves the problems that the clamping is difficult when the small parts are machined in electric cutting equipment, the clamping time is long, the efficiency is low, or the rejection rate of the parts is high due to improper clamping. The clamp comprises an object carrying part and a clamping part, the object carrying part comprises a base; the base is provided with a through hole. A carrying groove is formed in the bottom of the through hole; an opening of the object carrying groove faces the top plate of the base;the clamping part comprises a pressing plate, a guide rail and a pressing plate fastening screw rod; the two ends of the guide rail are connected with a bottom plate and a top plate of the base respectively, the pressing plate is connected with the guide rail in a sliding mode, one end of the pressing plate fastening screw rod is connected with the pressing plate, the other end of the pressing plate fastening screw rod p