Special clamp for punching anchor backing plate

The utility model provides a special fixture for anchor backing plate punching, which relates to the technical field of anchor backing plate processing, and comprises a workbench and a support frame, the upper surface of the workbench is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a turntable through a connecting shaft, the upper surface of the turntable is integrally provided with a placing cylinder, and the placing cylinder is fixedly connected with the support frame. A perforating machine is arranged on the upper portion of the supporting frame, a roller is rotationally mounted on the lower surface of the rotary disc through a mounting frame, a clamping and pressing assembly is arranged on the inner side of the supporting frame, the anchor bearing plate is arranged in the containing cylinder, the clamping and pressing assembly comprises a trapezoidal block and a pressing plate, the upper surface of the trapezoidal block abuts against the roller, and the