Telescopic spool pay-off pin device

The utility model relates to the field of spools, and discloses a telescopic spool pay-off pin device which comprises a supporting frame, the bottom wall of the supporting frame is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a driving shaft through a coupler, one side of the supporting frame is movably connected with a driven shaft, and the driven shaft is fixedly connected with the bottom wall of the supporting frame. And transmission belt mechanisms are installed on the outer walls of the driving shaft and the driven shaft correspondingly, and one side of the driven shaft is fixedly connected with a first connecting plate. According to the telescopic spool pay-off pin device, through the arrangement of the supporting frame, the driving motor, the driving shaft, the driven shaft, the transmission belt mechanism, a first connecting plate, a first connecting rod, a containing groove, a limiting groove, a reset spring, a movable block, a limiting block,