Deviation rectifying mechanism for packaging bag rolling

The invention relates to the technical field of packaging bag winding, and discloses a packaging bag winding deviation rectifying mechanism which comprises a rack, a winding roller is arranged on one side of the interior of the rack, two rotating shafts are symmetrically and fixedly arranged on the inner side wall of the rack, dismounting mechanisms are arranged between the tail ends of the two rotating shafts and the two ends of the winding roller, and a motor is fixedly arranged on the side wall of the rack; the output end of the motor is fixedly connected with the end of one rotating shaft, a deviation rectifying shaft is arranged in the rack and located on one side of the winding roller, two deviation rectifying wheels are symmetrically arranged on the shaft wall of the deviation rectifying shaft, the deviation rectifying shaft is of a hollow structure, a two-way screw is rotationally arranged in the deviation rectifying shaft, and two moving blocks are symmetrically arranged on the rod wall of the two-wa