Axial-position-adjustable horizontal squeezing roller

The invention provides an axial-position-adjustable horizontal squeezing roller for on-line cleaning or acid pickling in steel strip treatment, which comprises a squeezing roller frame mounted at the top of a steel strip vertical tank body, wherein paired squeezing rollers are mounted in the squeezing roller frame; the squeezing rollers are connected with a drive motor; the squeezing rollers are horizontally mounted in the squeezing roller frame in parallel and can horizontally move in a direction perpendicular to a roller shaft; the lower part of the squeezing roller frame is also provided with rolling wheels and guide rails; both the squeezing roller frame and the drive motor are connected with a slidable transmission base; the transmission base is connected with a screw rod nut transmission device; and the screw rod nut transmission device can realize the linkage of the transmission base, the squeezing roller frame and the drive motor. The device provided by the invention can prolong the service life of th