Push-pull type roller stringing structure of rolling mill

The utility model relates to the technical field of rolling mills, in particular to a rolling mill push-pull type roller stringing structure which comprises a left fixed box and a right movable box, rotating rods are rotationally connected to the inner sides of the left fixed box and the right movable box, first bevel gears are fixedly connected to the ends of the rotating rods, second bevel gears are connected to the outer sides of the first bevel gears in an engaged mode, and the second bevel gears are meshed with the first bevel gears. A screw rod is fixedly connected to the top of the second bevel gear, screw rod sleeves are spirally connected to the outer side of the screw rod, an upper roller is rotationally connected between the screw rod sleeves, a lower roller is arranged under the upper roller, and a second servo motor is started to enable the screw rod to drive the screw rod sleeves to move; the distance between the rollers in the left fixed box and the right movable box can be adjusted, so that ma