Automatic in-place cleaning type coating machine

The utility model relates to the technical field of coating machines, and discloses an automatic in-place cleaning type coating machine which comprises a base, the upper surface of the base is fixedly connected with a coating machine body, a sliding rod is fixedly connected between the inner left side wall of the base and the inner right side wall of the base, the outer side of the sliding rod is slidably connected with a sliding block, and the sliding block is fixedly connected with the base. A connecting plate is fixedly connected to the upper surface of the sliding block, a cleaning device is arranged above the connecting plate and comprises a water tank fixedly connected to the upper surface of the connecting plate, a threaded shaft is rotatably connected to the upper surface of the water tank, and a threaded cylinder is in threaded connection to the outer side of the threaded shaft; and an outer frame is slidably connected to the outer side of the threaded cylinder. According to the automatic in-place cl