Novel furnace roller spline machining adjustable positioning device and milling machine

The utility model relates to the field of machinery, and provides a novel furnace roller spline processing adjustable positioning device and a milling machine, the novel furnace roller spline processing adjustable positioning device comprises a support structure and a furnace roller fixing device, the furnace roller fixing device is installed on the support structure; the furnace roller fixing device is adjustably mounted on the supporting structure; the furnace roller fixing device comprises a first dividing head, a vice clamp and a second dividing head. A first milling machine platform and a second milling machine platform are symmetrically arranged on the two sides of the supporting structure, clamping grooves are formed in the first milling machine platform and the second milling machine platform, and the first dividing head and the second dividing head are adjustably locked in the clamping grooves through locking mechanisms. The first dividing head, the vice clamp and the second dividing head are provide