Material throwing mechanism of dispensing machine

The invention relates to the field of medical waste collection and treatment, in particular to a material throwing mechanism of a dispensing machine, which comprises a mechanical arm for grabbing and moving empty medicine bottles, a bottom table is arranged in a moving range that the mechanical arm can drive the empty medicine bottles to reach, the bottom table is rotatably connected with a turntable, and the bottom table is provided with a turntable motor for rotating the turntable. A plurality of bottle openings allowing empty medicine bottles to be placed in penetrate through the rotating disc around the rotating axis of the rotating disc, the bottle openings correspond to the surface of the bottom table, the bottom table is fixedly connected with a collecting pipe capable of being aligned with one bottle opening to allow the empty medicine bottles to enter, and the mechanical arm enables the bottle openings corresponding to the empty medicine bottles to be located in front of the bottle openings correspon