Winding frame of plastic bag making machine

The utility model belongs to the technical field of plastic bag production equipment, and particularly relates to a winding frame of a plastic bag making machine, which comprises a frame body. The two ends of the winding drum are rotationally connected to the frame body through rotating mechanisms, a cavity is formed in the winding drum, a plurality of sliding grooves formed in the axial direction are formed in the peripheral wall of the winding drum, and the sliding grooves communicate with the cavity of the winding drum; the adjusting mechanism comprises a double-shaft driving motor, lead screws, sliding rods, lead screw nuts, connecting blocks and limiting plates, the double-shaft driving motor is arranged in a cavity of the winding drum, the driving ends of the left side and the right side of the double-shaft driving motor are connected with the lead screws, the lead screws are rotationally connected into the winding drum, the lead screws are sleeved with the lead screw nuts in a threaded mode, and the sl