Clamp device of surface grinding machine

The utility model discloses a surface grinding machine clamp device, which relates to the technical field of mechanical part processing, and particularly comprises a base, a groove is arranged in the middle of the base, at least one lifting structure is arranged in an inner cavity of the groove, and the lifting structure comprises a first hydraulic rod fixedly connected with the bottom of the inner cavity of the groove, and a second hydraulic rod fixedly connected with the bottom of the inner cavity of the groove. A U-shaped frame is fixedly connected to the top of the first hydraulic rod, supporting plates are fixedly connected to the tops of the two ends of the U-shaped frame, and clamping structures are fixedly connected to the two ends of the top of the base. According to the clamp device for the surface grinding machine, through the arrangement of the rotating structure, the deflection angle between the fixed block and the rotating block can be changed, the clamping plate in the clamp device can clamp a