Gear turning drill roller

The utility model belongs to the technical field of gear rollers, particularly relates to a gear turning and drilling roller, and aims to solve the problems that a gear roller provided in the background technology is of an integrated structure and high in replacement cost, the gear turning and drilling roller comprises an inner ring, gear rings distributed at equal intervals are slidably connected to the outer wall of the inner ring, and gear teeth distributed at equal intervals are fixedly connected to the outer walls of the gear rings. And symmetrically-distributed protrusions are fixedly connected to the inner wall of the gear ring, fixing rings are connected to the outer walls of the two ends of the inner ring in a threaded mode, and symmetrically-distributed mounting holes are formed in the outer walls of the two fixing rings. According to the gear roller, when gear teeth on the gear rings are damaged, the whole gear roller does not need to be replaced, only damaged parts need to be taken out and replace