Full-automatic energy-saving type shearing mechanism

The utility model relates to a full-automatic energy-saving type shearing mechanism which comprises a rack, an unwinding roll, a winding roll, a shearing mechanism body and a transmission mechanism. The unwinding roll and the winding roll are arranged at the two ends of the rack respectively, the shearing mechanism body and the transmission mechanism are arranged on the rack, and the shearing mechanism body comprises a sharing frame, a sharing seat and a shearing chopper which are arranged on the rack. The shearing seat is provided with a strip-shaped through groove. One side of the shearing chopper is rotatably arranged in the strip-shaped through groove, and a cutter is arranged on the other side of the shearing chopper. The transmission mechanism comprises a motor, a main shaft in transmission connection with the motor, a pull-down supporting rod and a belt wheel, and the pull-down supporting rod and the belt wheel are arranged on the main shaft. The main shaft is arranged in the middle of the rack. The end of the pull-down supporting rod is rotatably connected with the middle of the shearing chopper. The belt wheel is in transmission connection with the winding roll through a belt. The full-automatic energy-saving type shearing mechanism is reasonable in structure, easy to adjust and maintain and high in work efficiency, and energy saving transmission is achieved.