The utility model discloses a protective device for automatic
welding and automatic
welding equipment, which comprises a square protective cover body, the bottom of the protective cover body is provided with an opening, the protective cover body is arranged on a working platform or a workpiece and covers a
welding area of the workpiece, and the top of the protective cover body is provided with a mounting structure used for being matched with a welding head; the dust removal device is connected to the protective cover body, communicates into the protective cover body and is used for sucking
smoke dust in the protective cover body; the observation device is arranged on the protective cover body and is used for filtering arc light and observing a welding area of the workpiece, the observation device comprises an observation
pipe, the observation
pipe is provided with a bent structure, and the observation device comprises a
periscope group and is used for externally imaging a first end of the observation device to a second end of the observation device; the observation
pipe is provided with a rotating structure and used for adjusting the position and / or orientation of the first end, welding gun swing, welding
path deviation and other details are equivalently observed in a
short distance in multiple directions, the welding quality is guaranteed, meanwhile, the operation condition is improved, and the working efficiency is improved.