Discharging device of bottle labeling machine

The utility model relates to a discharging device of a bottle labeling machine. The discharging device comprises a discharging opening formed in a conveyor belt conveyor. Wherein the guide plate is rotationally connected to the lower side of the discharging opening and obliquely arranged downwards, and the supporting assembly is rotationally connected to the conveying belt conveyor and used for supporting the guide plate. The supporting assembly comprises a first supporting pipe rotationally connected to one side of the conveyor belt conveyor, a second supporting pipe slidably connected to thefirst supporting pipe, a supporting spring connected between the first sleeve and the second sleeve and pushing the second sleeve to slide towards the side away from the first supporting pipe, and asupporting rod fixed to the guide plate. The supporting rod is inserted into the end, away from the second supporting pipe, of the second supporting pipe. And in the sliding process of the bottle body, the supporting spring ha