Shaft workpiece machining centering tool of large numerical control planer type milling machine

The utility model discloses a large numerical control planer type milling machine shaft type workpiece machining centering tool which comprises a base, two positioning blocks are symmetrically arranged on the two sides of the upper surface of the base, the distance between the two positioning blocks can be adjusted, one side of the upper end of each positioning block is provided with an arc-shaped face matched with an outer arc of a workpiece, and the lower end of each positioning block is provided with a clamping block. According to the shaft workpiece machining centering tool for the large numerical control planer type milling machine, when workpieces in the same batch are machined, only the first workpiece needs to be positioned and centered, automatic centering is achieved when other workpieces are machined, the machining precision is high, the machining efficiency is high, and the machining precision is high. The processing efficiency is improved. 本实用新型公开了一种大型数控龙门铣床轴类工件加工定中心工装，包括基座，所述基座的上表面两侧对称设置有两个间距可调的