Spraying device for hardware product manufacturing and processing

The utility model relates to the technical field of hardware product machining, and provides a spraying device for hardware product manufacturing and machining, which comprises a carrying frame, a surface machining mechanism is arranged at the top end of the carrying frame, the surface machining mechanism is used for finishing spraying operation on the surface of hardware, and an adjusting mechanism is assembled on the surface machining mechanism. The adjusting mechanism is used for adjusting the spraying range of the surface machining mechanism, the surface machining mechanism comprises a material storage tank, a liquid pump, a conveying pipe, a positioning frame, a supporting frame and a spraying pipeline, the top end of the carrying frame is fixedly connected with the material storage tank and the liquid pump, and the input end of the liquid pump is connected with the material storage tank through a communicating pipe; the output end of the liquid pump is fixedly connected with a conveying pipe, and the in