Welding robot system for teaching

The utility model relates to the technical field of welding equipment, and discloses a welding robot system for teaching, which comprises a welding robot, a positioner and a welding machine, the welding robot comprises a mechanical arm and a welding gun fixed to the mechanical arm, the welding machine is electrically connected with the welding gun, and the mechanical arm is used for driving the welding gun to move and conduct welding; the positioner comprises a workpiece disc used for fixing a to-be-welded workpiece and a first driving structure used for driving the workpiece disc to rotate. The utility model provides a welding robot system for teaching. Welding process, a to-be-welded workpiece is fixedly mounted on a workpiece disc on the positioner; a mechanical arm on the welding robotdrives a welding gun to move; the first driving structure on the positioner can also drive the workpiece disc to move, so that the welding gun can achieve welding at different positions on the workpiece, meanwhile, the weldi