Spindle blowing waterproof device of horizontal machining center and implementation method of spindle blowing waterproof device

The invention discloses a horizontal machining center spindle blowing waterproof device and an implementation method thereof, and belongs to the technical field of machining equipment. An air-blowing waterproof device for a spindle of a horizontal machining center comprises device supports, an integrally-formed sliding groove is formed in the outer surface of a positioning sleeve, air spraying structures are installed on the two sides of the device supports, an opening is formed in the middle of the positioning sleeve, a sliding plate is arranged between the two device supports, and limiting gears are arranged outside the air spraying structures. The problems that in the actual using process of a main shaft blowing device, cleaning is conducted by adjusting the position of a blowing structure, functionality is single, and the cleaning effect cannot be guaranteed are solved, uniform cleaning work is conducted through a continuously-moving air spraying structure, air is heated through an electric heater in the