Rotary plastic spraying device for sheet metal parts

The utility model relates to the technical field of sheet metal part plastic spraying, and discloses a sheet metal part rotary plastic spraying device which comprises a plastic spraying cabinet with a cabinet door, a plastic spraying machine main body and a spraying head arranged in an inner cavity of the plastic spraying cabinet, a driving base is arranged in the plastic spraying cabinet, a placing frame is arranged on the driving base, a sealing cavity is formed in the rear portion of the inner cavity of the plastic spraying cabinet, and the sealing cavity is communicated with the plastic spraying machine main body. A sealing cavity is formed in the plastic spraying cabinet, a lead screw is in transmission connection with the interior of the sealing cavity through a motor, a movable plate is in threaded connection with the lead screw, a connecting plate is fixedly connected to the movable plate through a connecting shaft, a lower pressing plate is rotationally connected to the connecting plate through a con