Automatic washing device for anilox roller of rotary flexo press

The utility model discloses an automatic washing device for an anilox roller of a rotary flexo press. The automatic washing device comprises a water injection component, an air injection component, a liquid containing slot and a drain pipe, wherein the water injection component is used for providing a fixed pressure water column for washing the anilox roller, the air injection component is used for drying water stains after the anilox roller is washed, the liquid containing slot is of a single opened shell and is used for containing liquid waste after the anilox roller is washed by the water injection component and the drain pipe is fixedly connected to the lower end of the liquid containing slot and is communicated with the liquid containing slot and is used for draining the liquid waste in the liquid containing slot. According to the automatic washing device provided by the utility model is low in cost and liable to realize because an ink path structure of a traditional rotary flexo press is not need to be changed; furthermore, the water injection component and the air injection component can be operated simultaneously to wash and dry the anilox roller timely, therefore the anilox roller can be washed efficiently, the water stains caused by washing in ink cells can be dried timely, and the printing quality can be ensured.