Centering clamping jaw and robot

The utility model provides a centering clamping jaw and a robot, and belongs to the technical field of centering clamping devices.The centering clamping jaw comprises a base, a clamping jaw body and a clamping jaw body, the positioning part is arranged on the base, the positioning part is provided with a positioning center, the positioning center and the mounting center are eccentrically arranged, and the positioning part is suitable for being matched with a datum plane of a workpiece; and the clamping mechanism is movably arranged on the base, and the clamping mechanism is suitable for clamping the outer part of a workpiece. According to the centering clamping jaw provided by the utility model, the mounting center of the base and the positioning center of the positioning part are eccentrically arranged and are matched with the clamping mechanism, so that an eccentric workpiece can be positioned and clamped, the positioning part is matched with the reference surface of the workpiece, namely, the reference sur