Metal plate surface treatment plastic spraying device

The utility model relates to the technical field of plastic spraying, and discloses a metal plate surface treatment plastic spraying device which comprises a support, a supporting plate is fixedly installed at the upper end of the support, the supporting plate is circular, two sets of fixing rods are symmetrically and fixedly installed at the upper end of the supporting plate, the two sets of fixing rods are the same in size, and the fixing rods are fixedly installed on the supporting plate. A plastic spraying mechanism is arranged at the upper ends of the two fixing rods, a tray is arranged at the upper end of the supporting plate, a workpiece to be subjected to plastic spraying is placed at the upper end of the tray, a driving mechanism used for driving the workpiece to rotate is arranged in the support, and the plastic spraying mechanism comprises a fixing plate fixedly installed at the upper ends of the two fixing rods. A spraying tank is fixedly installed at the upper end of the fixing plate, and a spray