Spraying device for decorative plate processing

The utility model discloses a spraying device for decorative plate processing, and relates to the technical field of decorative plate processing. The machining device comprises a first fixing plate, a supporting rod is fixedly connected to the top of the first fixing plate, a machining frame is fixedly connected to the top end of the supporting rod, threaded holes are formed in the two sides of the machining frame, and threaded rods are in threaded connection with the interiors of the threaded holes. During use, a decorative plate needs to be clamped and fixed through a machining auxiliary plate, then a worker needs to start an electric push rod to push a spraying liquid barrel to move towards the decorative plate to a proper position, then a spraying air pump is started, the top and the bottom of the decorative plate are sprayed at the same time through a spraying head, meanwhile, the worker needs to push a rectangular plate to enable the spraying head to move front and back, and spraying is completed. And t