Automatic labeling device for reagent disc packaging equipment

The utility model discloses an automatic labeling device for reagent tray packaging equipment, which comprises a U-shaped mounting rack, a support plate, a feeding winding drum, a receiving winding drum and a motor, the U-shaped mounting rack is used for being mounted on a blister box carrying module on the reagent tray packaging equipment, the feeding winding drum is used for providing an identification film, and the receiving winding drum is used for winding the identification film; the supporting plate is vertically arranged above the U-shaped mounting frame, the feeding winding drum is located above the receiving winding drum and rotationally mounted on the supporting plate, the receiving winding drum is connected with the motor, and a first guide roller and a second guide roller are arranged at the upper end and the lower end of the right side of the supporting plate. A first tensioning roller is arranged on the supporting plate and located between the first guide roller and the second guide roller, and