Calendering equipment for manufacturing photovoltaic EVA (Ethylene Vinyl Acetate) packaging adhesive film

The invention discloses calendering equipment for manufacturing a photovoltaic EVA (Ethylene Vinyl Acetate) packaging adhesive film in the technical field of photovoltaic adhesive film calendering, which comprises a calendering roller, a supporting shaft with two ends extending out of the calendering roller is rotatably connected in the calendering roller, a blowing device comprises a plurality of air outlet holes arranged in an array along the axial direction of the calendering roller, and sealing columns are slidably connected in the air outlet holes in a limited manner. The end, located in the calendering roller, of the sealing column is fixedly connected with a fixing rod, the part, located in the calendering roller, of the sealing column is sleeved with a spring capable of enabling the sealing column to reset towards the interior of the calendering roller, and the interior of the calendering roller is in limited sliding connection with a mounting rod through a second mounting block and a first mounting b