Plastic-coated steel pipe spraying machine

The utility model relates to the technical field of plastic-coated steel pipes, and discloses a plastic-coated steel pipe spraying machine which comprises a spraying machine base, a spraying box is fixedly installed on the top of the spraying machine base, a pipe inlet is fixedly installed on the left side of the spraying box, and a pipe outlet is fixedly installed on the right side of the spraying box. A fixing plate is fixedly mounted on the left side of the spraying machine base, a lifting rod sleeve is fixedly mounted at the top of the fixing plate, and a limiting block is movably mountedin the lifting rod sleeve. According to the plastic-coated steel pipe spraying machine, the supporting arms and the supporting bases are arranged, the semicircular grooves are formed in the tops of the two steel pipe supporting bases at the same time, the balls are movably installed in the semicircular grooves, a steel pipe can be conveniently placed on the tops of the supporting bases, and rotaryspraying of the steel pip