Robot laser marking system

The utility model provides a robot laser marking system, which comprises a positioning jig device and a marking device, and is characterized in that the positioning jig device comprises a positioning substrate and a limiting block and is used for fixing a product to be marked; the marking device comprises a robot body and a laser device, the robot body is connected with a suction cup mechanism through a mechanical arm, a to-be-marked product is sucked and fixed before laser marking, and therefore it is ensured that the marking portion of the to-be-marked product is fixedly located on the same horizontal plane, and meanwhile the laser device is connected to a sliding table device. And after moving, the laser marking device directly faces the marking part, so that marking can be quickly and accurately completed, the good marking consistency is ensured, various products to be marked are compatible, laser marking is executed, manual intervention is reduced, the turnover rate of a production line is increased, the