Protection structure of plasma section steel blanking machine

The utility model relates to a protection structure of a plasma profile steel blanking machine. The protection structure comprises a machine body, a welding gun arranged on the front side of the machine body, a driving device for driving the welding gun to move, a nylon drag chain arranged on a rack, a blanking groove formed in the front side of the machine body and a feeding port formed in the front side of the machine body. Wherein one end of the nylon drag chain is fixed on the machine body, the other end of the nylon drag chain is connected with the driving device, the protective structureis arranged in front of the machine body, and the protective structure comprises protective gates arranged on the two sides of the feeding port and protective doors arranged in front of the protective gates and used for observing the cutting position. The protective gate comprises a track provided with a plurality of inserting holes at equal intervals and a gate body capable of being freely adjusted on the track. Adjusti