Rotatable steel spraying mechanical arm

The utility model relates to a steel spraying mechanical arm capable of rotating, which belongs to the technical field of mechanical arms and comprises a bottom plate, a turntable main body and a threaded rod, rollers are mounted at the bottom end of the bottom plate, a mounting sleeve is mounted at the top end of the bottom plate, the threaded rod is arranged in the mounting sleeve, and a turntable is mounted at the top end of the threaded rod. A workbench is installed at the top end of the rotary table through a bearing, a U-shaped frame is installed at the top end of the workbench, a mechanical arm body is hinged to the interior of the U-shaped frame, a second tooth block is installed at the bottom end of the outer wall of the workbench, a second supporting plate is installed on the outer wall of the rotary table, and an electric lifting rod is installed at the top end of the second supporting plate. The spraying device has the beneficial effects that the second gear block and the workbench can be driven t