Device for roll finishing

The utility model provides a device for roll finishing, which comprises a base used for being mounted on a tool rest of a machine tool, the base is provided with a first rolling part and a second rolling part which are used for roll finishing a workpiece, and the first rolling part and the second rolling part are respectively positioned on the left side and the right side of the base. A rolling station is arranged between the first rolling part and the second rolling part, the first rolling part comprises a first mounting seat, a first rolling wheel is mounted on the first mounting seat, the second rolling part comprises a second mounting seat, a second rolling wheel is mounted on the second mounting seat, the first rolling wheel and the second rolling wheel are oppositely arranged, the first mounting seat is fixedly connected with the base, and the second mounting seat is fixedly connected with the base. The second mounting seat is movably connected with the base, and a driving part used for driving the seco