Explosion-proof automatic powder spraying device

The utility model relates to the technical field of automatic powder spraying devices, and discloses an explosion-proof automatic powder spraying device which is characterized in that a limiting sliding groove penetrating through a supporting plate is vertically, downwards and horizontally formed in the center of the surface of each supporting plate, and limiting sliding plates are horizontally and movably connected into the two limiting sliding grooves; and an electric telescopic rod is vertically and downwards fixedly mounted in the center of the bottom of the limiting sliding plate, and the bottom of the electric telescopic rod is fixedly connected to the top surface of the workbench. According to the working table device, the limiting sliding plates are connected into the two sets of limiting sliding grooves in a sliding mode, the limiting sliding plates are limited, the electric telescopic rods are installed at the bottoms of the limiting sliding plates, and therefore the limiting sliding plates are driv