Automatic labeling machine

The invention relates to an automatic labeling machine. The automatic labeling machine comprises a conveying device, an adjusting device, a label tearing device and a label sucking device. The conveying device comprises a conveyor belt assembly used for conveying to-be-labeled products, a movable edge and a fixed edge. The movable edge and a fixed edge are arranged on the two sides of the conveyorbelt assembly correspondingly. The adjusting device drives the movable edge approach or move away from the fixed edge, and adjusts the spacing between the movable edge and the fixed edge, so that theconveying width of the conveyor belt assembly can be adjusted. The label tearing device comprises a charging mechanism for unfolding a material strip with labels, a peeling mechanism for peeling offthe labels on the unfolded material strip, and a recovering mechanism for recovering the material strip with the labels being peeled off. The label sucking device comprises a suction nozzle and a position adjusting mechanism fo