Labeling machine roll pre-feed device

The central axis of the label feeder pre-feeding device penetrates the center of the side plate and the collar, and connects the teeth of the side ring device of the collar. The toothed belt is wound around the outer side of the collar and one end is fixed on the connecting rod. One end to the connection block. The toothed belt is provided with a toothing on the inner side which is in contact with 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. The connecting block is placed between the toothed belt and the elastic element. The improvement of the structure of the label feeder pre-feed device has enabled the feeder to have the functions of auxiliary and pre-feeding, which reduces the occurrence of phenomena such as unsmooth rotation, damage of the cassette, hanging teeth, and labeling machine, and also causes labeling to occur. More precise location.