Transparent paper stay wire preheating device of ZB45 packaging machine

The utility model discloses a ZB45 packaging machine transparent paper stay wire preheating device which comprises a bridging plate, a thermocouple support, a fine tuning screw and soldering iron, the bridging plate is arranged on a supporting plate of a ZB45 packaging machine, and an opening is formed in the end, away from the supporting plate of the ZB45 packaging machine, of the bridging plate; the thermocouple support and the soldering iron are arranged at the opening end of the bridging plate through the fine tuning screw and located on the upper side and the lower side of the bridging plate respectively. The soldering iron is connected with an electric heating tube and a thermocouple, and the lower side of the soldering iron is overlapped with a transparent paper stay wire of the ZB45 packaging machine, so that the soldering iron can preheat the transparent paper stay wire through the electric heating tube, and the temperature of the soldering iron is measured through the thermocouple. The device is arr