Efficient spraying equipment for hardware product surface maintenance

The invention discloses efficient spraying equipment for hardware product surface maintenance, and relates to the technical field of spraying equipment. Comprising a base mechanism, the base mechanism comprises a receiving box, side rails are fixedly connected to the inner sides of the upper surfaces of the left wall and the right wall of the receiving box, first sliding grooves are formed in the middle rear portions of the faces, close to each other, of the two side rails, first sliding blocks are inserted into the first sliding grooves, and two first sliding blocks are inserted into each first sliding groove; the first sliding blocks are square and matched with the first sliding grooves, sleeve bases are fixedly connected to the first sliding blocks, an elastic telescopic column is fixedly connected between the front sleeve base and the rear sleeve base jointly, springs are fixedly connected to the rear surfaces of the first sliding blocks on the rear sides, and the rear ends of the springs are fixedly conn