Automatic winding device for powder sheets

The utility model discloses an automatic powder piece winding device which comprises a workbench, a winding roller and a driving structure used for rotating the winding roller are arranged on the workbench, a penetrating groove penetrating through the winding roller in the radial direction is formed in the winding roller in the length direction of the winding roller, a distance sensor is further arranged on the workbench above the winding roller, and the distance sensor is connected with the driving structure. The distance sensor faces the winding roller, a fixed distance is preset between the distance sensor and the winding roller, the distance sensor and the driving structure are electrically connected with a controller, in addition, a feeding device is further arranged above the winding roller, and a discharging port of the feeding device is located over the penetrating groove. The powder sheet winding device is simple in structure, the winding roller is driven by the driving structure to wind powder sheet