PET/PP/PI film copper pretreatment device and method

The invention discloses a PET/PP/PI film copper pretreatment device and method, and relates to the technical field of copper foil processing.The device comprises a pretreatment box and a pretreatment inner cavity formed in the pretreatment box, winding roller sets used for feeding and receiving materials are arranged at the two ends in the pretreatment box respectively, a PET/PP/PI base material used for pretreatment is wound between the two winding roller sets, and the PET/PP/PI base material is wound between the two winding roller sets; a first vacuum pump used for vacuumizing the pretreatment inner cavity is arranged on the surface of the pretreatment box, an argon conveying assembly used for inputting argon into the pretreatment box is further arranged in the pretreatment box, and the winding roller set comprises a material changing base plate. By means of the technical scheme, on the premise that machining sealing performance is guaranteed, replacement of supplied materials and received materials is faci