Laser marking device using camera for positioning

The utility model relates to a laser marking device using a camera for positioning. The laser marking device using the camera for positioning comprises a laser device for lasing, a beam expander, a first laser reflecting mirror, a second laser reflecting mirror, a laser marking head and a workpiece processing platform, wherein the laser device for lasing, the beam expander and the first laser reflecting mirror are arranged sequentially along a laser optical path, the first laser reflecting mirror and the second laser reflecting mirror used for receiving and reflecting reflected laser beams of the first laser reflecting mirror are parallelly arranged, laser beams reflected by the second laser reflecting mirror are projected to the workpiece processing platform via the laser marking head, and the CCD (charge coupled device) camera is arranged at an input end of the laser marking head by being coaxially connected into the second laser reflecting mirror. By the aid of the laser marking device for laser marking, p