Outer diameter positioning and clamping tool

The utility model discloses an outer diameter positioning and clamping tool which comprises a linear motion driving element, a connecting shaft, a first clamping seat and a second clamping seat, one end of the connecting shaft is connected with the linear motion driving element, the other end of the connecting shaft is connected with the first clamping seat, and the second clamping seat is connected with the first clamping seat. According to the outer diameter positioning and clamping tool, the contact area between the outer diameter positioning and clamping tool and a workpiece is large, and indentations cannot be left on the workpiece; the clamping force applied to the workpiece is more uniform, and alignment is easier during machining. 本实用新型公开了一种外径定位夹紧工装，包括：直线运动驱动元件，连接轴，第一夹紧座，第二夹紧座，所述连接轴一端与直线运动驱动元件连接，另一端与第一夹紧座连接，所述第二夹紧座与第一夹紧座连接。本实用新型提供了一种外径定位夹紧工装，与工件的接触面积较大，不会在工件上留下压痕；工件受到的夹紧力更均匀，加工时更容易找正。