Reinforcement cage welding forming device and welding process

The invention relates to a reinforcement cage welding forming device and a welding process, and relates to the field of reinforcement cage welding equipment.The reinforcement cage welding forming device comprises a support laid on the ground, a tractor used for dragging a reinforcement cage to slide is slidably arranged on the support, and a rotating disc used for driving a plurality of main reinforcements to rotate is rotatably arranged on the support; the multiple main reinforcements penetrate through the rotating disc and are arranged in a sliding mode, a supporting frame for containing the multiple main reinforcements is rotationally arranged on the support, an adjusting unit is arranged on the supporting frame and used for limiting and adjusting the positions of the main reinforcements, a stirrup releasing mechanism and a welding mechanism are arranged on the support, and the stirrup releasing mechanism is used for releasing stirrups and winding the stirrups on the multiple main reinforcements. The weldi