Positioning jig for laser

The utility model relates to the technical field of laser, in particular to a positioning jig for laser, which comprises a base and at least one positioning column arranged on the base, the positioning column is used for being inserted into a shell to position the shell, and the positioning column is provided with a positioning structure used for preventing the shell from moving relative to the positioning column. According to the utility model, the positioning structure is arranged to abut against the inner side wall of the shell when the shell is sleeved on the positioning column, so that the positioning effect on the shell is achieved, and deflection relative to the positioning column is avoided. 本实用新型涉及镭射技术领域，尤其是指一种镭射用定位治具，包括底座以及至少一个设置于所述底座的定位柱，所述定位柱用于插入外壳内以对外壳进行定位，所述定位柱设置有用于防止外壳相对于所述定位柱发生移动的定位结构。本实用新型通过设置有定位结构，用于在外壳套在定位柱上时顶住外壳的内侧壁，达到了对于外壳的定位效果，避免发生相对于定位柱发生偏转。