Pipe outlet fixed-length control device of pipe making machine

The utility model relates to the technical field of pipe making machines, and particularly discloses a pipe making machine pipe outlet fixed length control device which comprises a pipe making machine, a fixing frame fixedly installed at the top of the pipe making machine, a first servo electric push rod fixedly installed on the surface of the bottom of the fixing frame, and a motor base fixedly installed at the bottom of a push rod of the first servo electric push rod. A cutting machine is fixedly installed in the motor base, a through groove base is fixedly installed on the outer wall of the pipe making machine, a polish rod frame is installed on the surface of the through groove base in a penetrating mode, a guide roller frame is fixedly installed at the top of the polish rod frame, and a supporting roller is rotationally installed on the inner wall of the guide roller frame. According to the technical scheme, a pipe body manufactured by the pipe manufacturing machine is supported through the supporting ro