Small orifice structure for PO and PE pipe fitting equipment

The utility model discloses a small pipe orifice structure for PO and PE pipe fitting equipment, which comprises a material barrel main body, a material guiding pipe fitting is arranged at the top of the material barrel main body, a transmission box is arranged at the bottom of the material guiding pipe fitting, a material discharging pipe fitting is arranged on the other side of the transmission box, an external thread structure A is arranged on the outer wall of the material discharging pipe fitting, and the external thread structure A is arranged on the outer wall of the material discharging pipe fitting. A pipe opening device is installed on the other side of the discharging pipe fitting, a block-shaped limiting piece is installed on one side of the interior of the pipe opening device, threaded holes are formed in the upper surface and the lower surface of the pipe opening device, adjusting screw rods are arranged in the threaded holes, and external thread structures B are arranged on the outer walls of t