Online polishing and grinding device for surface roller system

The utility model discloses a surface roll system on-line polishing and grinding device which comprises a handle, one end of the handle is connected with the outer side of the middle of a bearing arc plate through a movable bolt, abrasive paper is arranged on the inner side of the bearing arc plate, the section of the bearing arc plate is semicircular, the handle is a cylinder, and the outer side of the bearing arc plate is connected with the handle. And the handle comprises a plurality of sections of telescopic rods. The surface roller system online polishing and grinding device can solve the problem that in a traditional surface roller surface defect polishing and grinding mode, an offline grinding roller of a roller surface defect roller system needs to be detached from a surface machine column, so that online polishing and grinding of the surface machine column roller system are achieved, the time and manpower for detaching and installing the surface machine column roller system can be saved, the polishin