Stainless steel pipe welding device

The utility model discloses a stainless steel pipe welding device which comprises a bottom plate, an installation frame is fixedly installed on the bottom plate, two movable frames are arranged at the top end of the installation frame, sleeves are rotationally connected in the two movable frames, fixing discs are fixedly installed on the sides, close to each other, of the two sleeves, and two-way air cylinders are fixedly installed in the two fixing discs. L-shaped sliding frames are fixedly installed at the two output ends of each two-way air cylinder, and supporting seats are fixedly installed on the sides, away from the sleeve, of the two L-shaped sliding frames. According to the stainless steel pipe welding device, stainless steel pipes of different sizes can be rapidly installed and fixed, a large amount of installation time is saved, the welding working efficiency is further improved, the stainless steel pipes can be driven to rotate during welding, welding is more convenient, and the welding efficiency