Spray head cleaning device and method for ink jet printing

The invention discloses a nozzle cleaning device and method for ink-jet printing, and relates to the technical field of ink-jet printing. According to the nozzle cleaning device and method for ink jet printing, a bottom plate, a clamping assembly, a cleaning mechanism and a butt joint mechanism are included, a sewage tank is fixedly installed at the top of the bottom plate, a rectangular frame is arranged over the sewage tank, and the outer surfaces of the two sides of the sewage tank are each fixedly provided with a set of supporting plates; the two sets of supporting plates are also fixedly installed on the outer surfaces of the two sides of the rectangular frame, an erecting plate is arranged in the rectangular frame, and the inner walls of the two sides of the rectangular frame are each fixedly provided with a set of butt strap. According to the nozzle cleaning device and method for ink-jet printing, through cooperative use of the erecting plate, the butt joint mechanism and the cleaning mechanism, a plur