Welding machine for circular disc cutter

The invention discloses a welding machine for a circular disc cutter. The welding machine comprises a machine frame, a circular disc cutter carrying regulating mechanism, a welding mechanism, a temperature measuring instrument, a cutter head clamping and conveying mechanism and a first regulating mechanism, wherein the machine frame is provided with a horizontal seat frame and a vertical seat frame, the circular disc cutter carrying regulating mechanism comprises a first installing seat, a speed reduction box, a connecting support frame, a carrying shaft and a rotating operation handle, the rotating operation handle is arranged at an input shaft, one end of the connecting support frame is arranged at an output shaft, the other end of the connecting support frame is connected with a carrying shaft, the first regulating mechanism comprises a regulating frame body, a vertical regulating assembly and a horizontal regulating assembly, the regulating frame body comprises a vertical installing plate and a horizontal carrying plate, the horizontal carrying plate is provided with an arc-shaped regulating through groove, the horizontal seat frame is provided with a first screw, the first screw optionally blocks or allows the horizontal carrying plate to pivot relative to the horizontal seat frame, the vertical regulating assembly is assembled on the horizontal carrying plate and is connected with the vertical installing plate, and the horizontal regulating assembly is arranged on the vertical installing plate and is connected with the cutter head clamping and conveying mechanism, so that the cutter head is matched with cutter edges of a circular disc cutter.