Motion marking device and method for positioning articles by using industrial camera

The invention provides a motion marking device and method for positioning articles by using an industrial camera. The motion marking device comprises a laser control device, the industrial camera, a trigger device and a distance measuring device, wherein the trigger device is used for sending notice signals to the industrial camera and the laser control device after detecting an article which requires laser marking, the industrial camera is used for shooting the article after receiving the notice signals, calculating the difference between a current position coordinate of the article and a set position coordinate, and outputting the difference to the laser control device, the distance measuring device is used for measuring the motion distance of the article and outputting the distance measuring value to the laser control device, and the laser control device is used for adjusting the light emitting position and angle of laser beams according to the difference, reading the distance measuring value after receivi