Winding mechanism suitable for printing labels

The utility model belongs to the technical field of printed labels, and particularly relates to a winding mechanism suitable for printed labels, which comprises a mounting bottom plate, a label fastening component is mounted at the top of the mounting bottom plate, and the side of the label fastening component is connected with a printed label winding component. A winding anti-loosening assembly is arranged on the other side of the printing label winding assembly. The label fastening assembly comprises a first sliding groove, a first sliding block, a fastening plate, a clamping plate, an adjusting rod, a first gear and a first motor, the first sliding block is slidably connected to the interior of the first sliding groove, the fastening plate is fixedly connected to the top of the first sliding block, and the clamping plate is arranged on the side of the fastening plate; according to the utility model, the printed label can be conveniently clamped before being wound, the phenomenon that the edge of the label