Robot base inner and outer ring welding device

The invention discloses a robot base inner and outer ring welding device. A circular rotating disc is arranged above a machine frame, a robot base is placed on the circular rotating disc, a first L-shaped vertical mounting rod is arranged on one side of the machine frame, and a flexible welding gun bracket is arranged on the first vertical mounting rod and comprises a flexible sliding plate group,a first transverse mounting rod, a second vertical mounting rod, a second transverse mounting rod, a third vertical mounting rod and a welding gun inserting pipe; and a flexible adaptive rolling headis arranged at the tail end of the first transverse mounting rod. The ring welding device is designed according to the characteristics of the thickness and weight of the robot base, the special flexible welding gun bracket can not only complete the external weld welding, but also can complete the weld welding inside the robot base through simple modification, the problem of the original need fora welder to enter the inter