Efficient spraying equipment for hardware product surface maintenance

The utility model relates to the technical field of hardware products, in particular to hardware product surface maintenance efficient spraying equipment which comprises a bottom plate and a spraying can, a supporting column is fixedly connected to the upper surface of the bottom plate, a circular plate is fixedly connected to the end, away from the bottom plate, of the supporting column, and a limiting structure is arranged on the surface of the supporting column. The limiting structure comprises a driving arm, the driving arm is rotatably connected with the arc surface of the supporting column, the surface of the driving arm is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a gear, the arc surface of the circular plate is fixedly connected with a sawtooth plate, and the sawtooth plate is meshed with the gear. The surface of the driving arm is rotatably connected with a bidirectional screw, the arc surface of the bidirectional screw is in threaded connection