Laser beam positioning device

The utility model relates to the technical field of laser testing, and provides a laser beam positioning device which comprises a laser, a reflecting plate, a photodiode and four baffles. The reflecting plate is arranged opposite to the laser; a photodiode is arranged opposite to the reflecting plate; the photodiode is electrically connected with the PC; baffles are arranged on the periphery of the reflecting plate in a sliding mode. And the four baffles are not in the same vertical plane. A guide rail frame is arranged at the front end of the reflecting plate; the guide rail frame is provided with four guide rails; the four guide rails are sequentially fixed in space, and the four guide rails are in a cross shape. A baffle is arranged on each guide rail in a sliding mode. According to the utility model, the operation convenience can be improved, the positioning accuracy is improved, and the positioning efficiency is improved. 本实用新型涉及激光器测试技术领域，提供一种激光光束定位装置，包括：激光器、反射板、光电二极管以及四块挡板；所述反射板设置在激光器的对面；所述反射板的对面设置光电二极管