Automatic pipeline paint spraying device

The utility model discloses an automatic pipeline paint spraying device. The device comprises a working platform, a protective cover, an automatic paint spraying mechanism and a pipeline rotating mechanism, a four-side protective cover is arranged at the upper end of the working platform in a surrounding manner; the sliding groove is located in the rear portion of the upper end of the working platform. The electric telescopic rods are located on the inner sides of the sliding grooves. The side wall of the fixing frame is connected with the end face of the sliding groove through an electric telescopic rod. The ball is clamped in a ball groove in the bottom end of the fixing frame, the connecting plate is connected with the top end of the fixing frame, the material storage kettle is clampedin a clamping groove, the nozzle is installed at the lower end of the material storage kettle, and the pipeline rotating mechanism comprises a fixing base, a left clamping block, a motor, a sliding rail, a movable base, a rig