The special forklift frame fuel tank welding production line is mainly used for producing the frame fuel tank. The production line mainly includes: fuel tank pass-through cleaning station, a matching and coding station, a grabbing robot online station, a secondary positioning device, a tank welding station , an air tightness inspection station, and a grabbing robot offline station, etc.         The forklift tail frame welding robot workstation consists of a single robotic arm paired with a rotary table dual-station positioner. The two positions are switched by the rotary platform. , with the robotic arm performing welding tasks at station A. The left and right sides of the positioner are equipped with anti-arc radiation protection devices to ensure that the operator has a certain protection when working in different stations.