Rectangular steel plate submerged arc welding transmission link and transmission method

The invention discloses a rectangular steel plate submerged-arc welding conveying link and a conveying method, and relates to the technical field of workpiece automatic conveying. A rectangular steel plate submerged-arc welding conveying link comprises a steel plate feeding assembly, a middle conveying assembly and a turnover discharging assembly. The steel plate feeding assembly comprises a steel plate storage device, a horizontal plate pushing device X and a small plate bearing device. The middle conveying assembly comprises a front roller conveyor, a submerged arc welding table and a rear roller conveyor. The turnover discharging assembly comprises a power bearing device, a non-power bearing device and a clamping turnover device. A conveying method for rectangular steel plates in a submerged-arc welding production line is based on a rectangular steel plate submerged-arc welding conveying link and comprises the following steps that the steel plates are fed; welding and assembling; and discharging the produc