Flattening treatment device for copper foil production

The invention discloses a flattening treatment device for copper foil production. The flattening treatment device comprises a U-shaped main box; the two vertical plates are oppositely arranged on the wall body of the main box, first sliding grooves and sliding plates are arranged on the vertical plates, and the sliding plates can slide in the first sliding grooves; a flattening assembly; the winding device is arranged on the main box and used for winding the flattened copper foil; the driving device is used for driving the sliding plate to move up and down in the first sliding groove; the trigger device comprises an upper plate, a lower plate, two cleaning pieces, a connecting plate, a T-shaped ejector pin, an elastic piece and a circuit conduction device, the lower plate is arranged on the main box, the upper plate can slide up and down relative to the lower plate, a second sliding groove is formed in the connecting plate, one end of the ejector pin can slide in the second sliding groove, and the elastic pie