Automatic spraying device for machining

The utility model relates to the technical field of automatic spraying devices for machining, in particular to an automatic spraying device for machining, which comprises universal wheels, a mounting box is arranged at the tops of the universal wheels, a stirring device is arranged in the mounting box, a sealing cover is arranged at the top of the stirring device, and the sealing cover is arranged at the bottom of the mounting box. A conveying hole is formed in the stirring device, a conveying pipeline is arranged in the conveying hole, a turbine is arranged at the top of the conveying pipeline, and a spraying device body is connected to the end, away from the sealing cover, of the conveying pipeline. The inner container keeps rotating at a low speed, the coating is kept in a flowing state through the stirring blades, the effect that the coating is prone to solidification is effectively avoided, the air compressor is used for generating air, the coating is sprayed out through high pressure, blocking of a pipe