Replacing device for sliding plate of universal rolling mill housing

The utility model discloses a universal rolling mill housing sliding plate replacing device which comprises a table body, a groove is formed in the middle of the top of the table body, rotating rollers are arranged in the groove at equal intervals, the front ends and the rear ends of the rotating rollers are connected with the table body, transverse plates are symmetrically arranged on the front side and the rear side of the table body, and supporting legs are symmetrically arranged at the bottoms of the transverse plates. A first fixing plate is arranged on the left side of the bottom of the table body, a motor box is arranged in the middle of the left side of the first fixing plate, a motor is arranged in the motor box, a moving plate is arranged on the right side of the first fixing plate, and a second fixing plate is arranged on the right side of the bottom of the table body. The front end and the rear end of the first fixing plate and the front end and the rear end of the second fixing plate are connecte