X-shaped roll system structure rolling mill for producing ultrathin and super wide copper foil

The utility model discloses an X-shaped roll system structure rolling mill for producing ultrathin and super wide copper foils, consisting of a rack device, a roll system device, a transmission device and a pressurizing device. The roll system device is an X-shaped roll system structure consisting of upper support roll devices, an upper working roll device, a lower working roll devices, and lower support roll devices. The quantity of the upper support roll devices is two, and the two upper support roll devices are positioned on two sides of the upper end of the upper working roll device; the quantity of the lower working roll devices is two, and the two lower working roll devices are positioned on two sides of the lower end of the lower working roll device; each of the upper support roll device is internally provided with an upper support roll; the upper working roll device is internally provided with an upper working roll; the lower working roll device is internally provided with a lower working roll; and the lower support roll device is internally equipped with two lower support rolls. The X-shaped roll system structure rolling mill disclosed by the utility model adopts the X-shaped roll system rolling mill, which guarantees the rigid of the working rolls in the horizontal direction and the vertical direction. In the meantime, due to the less roller, the maintenance and cleaning are easy.