Crawler plate is essential for all kinds of crawler travel and lifting equipment, the workpiece itself is heavy, manual handling labor intensity, the customer through the 3D vision to guide the robot for depalletizing, loading and other automated operations, greatly reducing the cost of manpower investment, and effectively improve the processing efficiency. Crawler plate belongs to the black light-absorbing workpiece, the laser imaging program can be very good for identification and segmentation judgment, and adapt to the front-end loading station environment lighting and other interference.