An automatic loading and unloading device is equipped with two optical fiber cutting machines to realize double-machine linkage and improve processing efficiency. Laser cutting centralized control system, docking with loading and unloading equipment, informing the equipment to perform loading and unloading actions, docking with multiple laser machine tools, managing and scheduling machine tools to go online and offline, centralized control of multiple laser machine tools, unified allocation and control of processing tasks, and external real-time feedback Processing progress.