Power cable fireproof coating spraying device

The invention relates to the technical field of power cable processing, in particular to a power cable fireproof coating spraying device which comprises a spraying box and a drying box, one side of the spraying box communicates with one side of the drying box through a connecting channel, and supporting frames are fixedly connected to the lower portions of the two sides of the spraying box and the lower portions of the two sides of the drying box; the side walls of the sides, far away from each other, of the spraying box and the drying box are each provided with three material passing openings arranged at equal intervals, positioning adjusting mechanisms are arranged in the material passing openings, the bottom of the spraying box communicates with a coating tank, a stirring mechanism is arranged in the coating tank, and one side of the coating tank communicates with a spraying mechanism. By arranging the three material passing openings, the positioning adjusting mechanism and the spraying mechanism, three po