Tool for preventing oil-based and water-based mutual pollution of spraying board room in coating laboratory

The utility model discloses a tool for preventing mutual pollution of oil and water sprayed board rooms in a paint laboratory, which comprises a base, and a spraying structure is arranged on the base; the spraying structure comprises a lead screw module, a hydraulic cylinder, a mounting plate, a supporting plate, two nozzles, a reinforcing plate, a motor, an extension shaft, an electric push rod, a supporting rod, a protective cover and a feeding part. The lead screw module is installed on the upper wall face of the base, the hydraulic cylinder is installed on the upper wall face of the moving end of the lead screw module, the installation plate is installed at the telescopic end of the hydraulic cylinder, the two spray heads are installed on the supporting plate in an inserted mode, and the reinforcing plate is installed on the upper wall face of the installation plate. The rotating protective cover is arranged between the two spray heads, when one spray head works, the protective cover covers the other spra