Rolling device for metal workpiece machining

The utility model provides a rolling device for metal workpiece machining, which belongs to the technical field of rolling machining and comprises a box body, a base is fixedly mounted at the bottom of the box body, a plurality of groups of lower supporting columns are fixed on the upper surface of the base, a connecting block is mounted at the top of each lower supporting column, an electric lifting rod is mounted at one end of each connecting block, and the electric lifting rod is connected with the base. A rotating shaft is rotationally connected into the connecting block, one end of the rotating shaft is connected with a driving roll shaft, the other end of the rotating shaft is connected with a driving rotating shaft, one end of the driving rotating shaft is connected with a motor, a belt is arranged on the surface of the driving rotating shaft, and the belt is connected with a driven rotating shaft; through the driving rotating shaft, the belt and the driven rotating shaft, the motor can drive the drivi