Three-shaft perforating machine for installing tablet chair

The embodiment of the utility model provides a three-axis perforating machine for installing a tablet chair. The three-axis perforating machine comprises a base, a Y-axis air cylinder, an X-axis air cylinder and a perforating air cylinder. Corner cylinders are arranged at the two ends of the placement table; the Y-axis air cylinder is fixed to a supporting table connected with the base, and a supporting frame is fixedly arranged on the top of the Y-axis air cylinder. One end of the X-axis cylinder is fixedly arranged on the support frame and is vertical to the Y-axis cylinder, and the other end is connected with the punching cylinder through a jacket; the punching air cylinder is connected with the servo motor through a transmission device. The servo motor is fixedly arranged on the supporting frame; a CNC numerical control device is further arranged on the supporting frame. The three-shaft perforating machine is high in automation degree, suitable for perforating various backrest plates with radians, simple