Cleaning system and cleaning method for copper-clad plate die steel

The invention discloses a cleaning system for copper-clad plate die steel and a cleaning method thereof, and belongs to the technical field of factory automation equipment. The cleaning system for the copper plate die steel and the cleaning system for the copper-clad plate die steel comprise a first mounting box, and further comprise a feeding assembly and a discharging assembly which are arranged at the head end and the tail end of the exterior of the first mounting box correspondingly; the two groove plates are fixedly connected to the head end and the tail end in the first mounting box respectively, two sets of first lifting air cylinders are fixedly connected into the first mounting box and arranged in the two groove plates respectively, the output ends of the first lifting air cylinders are fixedly connected with a square box, and a first conveying assembly is arranged in the square box; sealing feeding and discharging are conducted through the square box, so that high-temperature water vapor in the firs