Automatic welding and producing device of H-shaped beams and production method thereof

The invention provides an automatic welding and producing device of H-shaped beams and a production method thereof. The automatic welding and producing device of the H-shaped beams comprises a feedingsystem, a welding workstation and a discharging system, wherein the feeding system comprises a middle beam transmission line, an end plate transmission line and a grabbing mechanism used for transferring middle beams and end plates to the welding workstation and positioning; the welding workstation comprises at least one welding station and welding robots arranged beside the welding station; eachwelding station comprises a support frame and a jacking and supporting component arranged on the support frame and used for jacking, pressing and fixing the end plates at the tail ends of the middlebeams. The production method comprises the following steps: transferring the middle beams and the end plates to the welding station through the feeding system, and completing mutual positioning of themiddle beams and the end pl