Feeding device for plastic packaging bag production

The invention relates to the technical field of packaging bag production, in particular to a feeding device for plastic packaging bag production, which comprises a frame body, a disinfection box and a conveying mechanism are arranged on the frame body, sleeving mechanisms distributed at intervals are arranged on the surface of the conveying mechanism in the conveying direction, and each sleeving mechanism comprises a fixed seat and a sleeve roller. Through cooperation of the sleeving mechanism, the conveying mechanism, the gear and the toothed plate, when the sleeving mechanism enters the disinfection box, the gear moves along the toothed plate and rotates, and a sleeve roller connected with the gear rotates along with the gear, so that a packaging bag is driven to rotate, the disinfection box can disinfect the packaging bag in all directions, and the disinfection effect is improved; by arranging the discharging mechanism, when the disinfected packaging bags move to the position above the collecting basket, a