Welding device for goods shelf production

The utility model relates to the field of welding, in particular to a welding device for goods shelf production, which comprises a workbench, the workbench is provided with a welding device, the workbench is fixedly connected with a first connecting plate, and the first connecting plate is fixedly connected with a connecting block; the connecting block is provided with a plurality of sliding grooves, the sliding grooves are slidably connected with sliding plates, the sliding plates are fixedly connected with fixing pieces, the fixing pieces are fixedly connected with springs, the sliding plates are fixedly connected with rotating shafts, the rotating shafts are rotatably connected with pulleys, and a base plate is arranged below the connecting block. When the hanger is used, the connecting block is suitable for placing hangers with various widths and sizes by utilizing the deformation characteristic of the spring, so that the hanger is high in universality; and through cooperation of the first fastening piece