Stirrup clamping mechanism and welding machine with stirrup clamping mechanism

The utility model relates to a stirrup clamping mechanism and a welding machine with the stirrup clamping mechanism. The stirrup clamping mechanism comprises a bottom plate and a clamping unit arranged on the bottom plate. The clamping unit comprises a pull rod, a spring single ring, a spring, a pressing block and a supporting assembly. The pull rod penetrates through the bottom plate, the upper portion of the pull rod is sleeved with the spring check ring, the pull rod is also sleeved with the spring, the upper end of the spring abuts against the spring check ring, and the lower end of the spring abuts against the bottom plate; the supporting assembly is arranged on the bottom plate, and the pressing block is rotationally connected with the supporting assembly through a rotating shaft parallel to the bottom plate. The pressing block comprises a connecting end and a pressing end, the connecting end and the pressing end can relatively rotate around the rotating shaft, the connecting end is movably connected wi