Fine gnawing machine used for treating kitchen garbage

The invention discloses a fine gnawing machine used for treating kitchen garbage. The fine gnawing machine comprises two rotating shafts arranged in parallel. Multiple gnawing tooth discs and gap discs are installed on one rotating shaft. The gnawing tooth discs are arranged between the two gap discs at intervals. Multiple gnawing tooth discs and gap discs are installed on the other rotating shaft. The gnawing tooth discs are arranged between the two gap discs at intervals, or multiple gap discs with large and small outer diameters are installed. A groove cutter is installed between the two rotating shafts. Groove openings are formed in the two sides of the groove cutter correspondingly. Gnawing teeth on the gnawing tooth discs can penetrate through the groove opening of the groove cutterin the rotating process, and cooperate with the groove cutter to cut materials into pieces. The fine gnawing machine is applied to treatment on the kitchen garbage, the smashing effect is good, noiseis avoided, blocking and j