Welding wire take-up machine

The utility model discloses a welding wire take-up machine which mainly solves the problems that in the prior art, an I-shaped wheel is prone to being damaged in the falling process, and meanwhile a tightening device is prone to being damaged. The take-up machine comprises a take-up machine frame, a roller, rotating devices installed on the two sides of the take-up machine frame, a movable wire leading device installed on the take-up machine frame, and a base plate facilitating installation and detachment of the roller. The rotating device comprises a fixed disc; one end of the rotating shaftis inserted into the mounting hole; wherein one end of the plug pin is fixed to the fixing disc, the plug pin corresponds to the pin hole, the connecting plate is fixedly connected with the rotating shaft through a bearing, the limiting device is installed on the take-up machine frame and used for limiting the two ends of the connecting plate, and the first driving motor is installed on the take-up machine frame and used