The invention relates to a refrigerator reinforced frame punching and welding production line. A feeding station, a punching station and a welding station are arranged in sequence according to the process steps; multiple punching machines and a first manipulator device are arranged on the punching station, and the multiple punching machines are arranged in the forwarding direction of workpieces; a material rack for holding steel plate roll materials and a steel plate conveyor for conveying the steel plate roll materials into the punching machines are arranged on the feeding station; and a welding device is arranged on the welding station. The welding device comprises a device frame; a support and welding equipment are disposed on the device frame in sequence in the forwarding direction of the workpieces; and a second manipulator device for conveying the workpieces is disposed between the support and the welding equipment. The punching station and the welding station are integrated into one automatic production line, so that the production efficiency is greatly improved, and the production cost is reduced.