Labeler feed roll pre-feeder

The utility model discloses a label roll pre-feed device, which is characterized in that the central shaft penetrates the center of the side plate and the collar and connects with the collar. A tooth portion is arranged on the side surface of the collar, and the toothed belt is wound around the cover. On the outer side of the ring, one end is fixed on the linking rod and one end is connected to the connecting block. The toothed belt is provided with a toothing on the inner side contacting the collar. One end of the elastic element is connected to the end of the bracket, and the other end is connected to the connecting block. Connected, the connecting block group is placed between the toothed belt and the elastic element. Due to the structural improvement of the utility model, the feeding device has the functions of auxiliary and pre-feeding, so as to reduce the unsmooth rotation, catch-up, pull, and damage of the labeling machine. Such phenomena also make the labeling position more accurate.