Fine adjustment calibration clamp for core plate cutting

The invention discloses a fine adjustment calibration clamp for core plate cutting, and belongs to the technical field of core plate machining equipment.The fine adjustment calibration clamp comprises a bottom plate, a supporting plate is arranged on the bottom plate, four piston assemblies are arranged on the supporting plate, a placing plate is arranged on the piston assemblies, and a rolling assembly is arranged on the placing plate; four fixing blocks are arranged on the side face of the containing plate, positioning assemblies are arranged in the fixing blocks, and connecting pipes are arranged on the side faces of the piston assemblies. According to the fine adjustment calibration clamp for core plate cutting, by arranging the containing plate, the piston frames, the positioning clamping plates, the supporting plates, the cavities and balls, under the gravity effect of a core plate to be machined, the four positioning clamping plates get close to one another, and meanwhile friction is reduced through th