Corona device for surface treatment of adhesive label film

The utility model discloses a corona device for adhesive label film surface treatment, which comprises a work box, a feed inlet is arranged on the outer side wall of the work box in a penetrating manner, a round rod is fixedly connected in the work box, a fixing frame is fixedly connected on the outer side wall of the work box, and a plurality of air holes are formed in the round rod. The device disclosed by the utility model has the beneficial effects that ozone can be generated when the corona device is used for treating the surface of a material, at the moment, the fan is turned on, the generated ozone is sucked into the reaction box through the ventilation pipe by the fan, then the ultraviolet lamp is turned on, the ozone is irradiated by the ultraviolet lamp, and the ozone is reacted and decomposed, so that the ozone can be decomposed, and the ozone can be purified. After the reaction is completed, the switch valve is opened, the reacted gas is exhausted, the environmental influence of ozone on operators