Artificial joint laser lettering tool

The utility model provides an artificial joint laser lettering tool, relates to the technical field of part machining equipment, and solves the technical problems that an artificial joint laser lettering tool is single in function and inconvenient to use in artificial joint laser lettering operation in the prior art. The artificial joint laser lettering tool is characterized in that the artificial joint laser lettering tool comprises a mounting table, a rotating shaft, a support and a limiting column; a positioning groove and/or a positioning protrusion matched with a machined part are/is arranged on the mounting table, and the positioning groove and the positioning protrusion are in interference fit with the machined part. The mounting table is rotationally connected with the bracket through the rotating shaft; the limiting column is in threaded connection with the support, the limiting column is rotated, and when the limiting column abuts against the mounting table, the mounting table is in a locked state r