Recently, the first large-scale robot automatic full-scale production line in China's heavy truck field was successfully commissioned and officially put into use at the China National Heavy-duty Truck Group. This stamping production line reflects the advanced control concept of the national heavy truck industry. Its successful development has broken the history of automated stamping lines applied only to the car industry and is a major leap forward in the technology of domestic heavy trucks.
China National Heavy Duty Truck Automation Line integrates the current domestic and international first-class automated control technology. The press part consists of a Japanese double-acting 1600T hydraulic press and four mechanical eccentric 800T presses of Jinan Machine Tool Plant No. 2; the automatic feeding system consists of 7 ABB stamping-dedicated robots, advanced German cleaning, and oil coating systems to ensure Steel plate unpacking, cleaning, uniform oiling and other pre-processing processes such as the smooth flow of stamping operations. The hydraulic metal packaging system adopts the pit-type structure, and the process waste generated by the five presses is directly slid into the pit conveyor belt to the baler and compacted and packed and transported out. The advanced control system of the entire production line makes the loading and unloading more intelligent, the track softer, and the movement accuracy higher. The world's most advanced image recognition system uses the world's most advanced image recognition system to accurately position the sheet material, and the visual centering system collects the image of the sheet material to accurately adjust the orientation of the sheet material in the press to ensure the quality of the product. ABB is configured. The company's full-line monitoring system developed specifically for stamping automation, configures all equipment of the automation Dahong line at one point, and periodically backs up and saves the robot program to the database of the server through an advanced software system, while ensuring the safety of the equipment PLC program. , Can realize the automation of the press and the robot in parallel; the data storage function of the double table and control cabinet mold speeds up the mold replacement speed, automatic mold change across the line, making it possible to change molds while producing. In addition, each ABB robot has an independent control cabinet and a color touch type teach pendant. The operator can conveniently debug and modify the PLC program through the touch-sensitive teaching pendant with a rich and easy-to-understand interface. Random flip, automatic replacement of the terminal pickup and other functions. The automatic molding and stable control system of large-scale production lines has the advantage that product quality can not be overlooked. It not only eliminates many problems brought about by the semi-finished product turnover storage, but also completely eliminates the subjective sentiment of traditional stand-alone production operators. Impact.
Yan Wenjun, general manager of China National Heavy Duty Truck Co., Ltd., said: "The completion of the automation Daochong line will ensure a breakthrough in the quality of the HOWO-A7 large-scale cover. Its international manufacturing equipment defines a new standard for the heavy-duty truck industry. It will also bring China’s heavy-duty auto industry into the fast lane of internationalization.â€
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