Knob mechanism for egg twisting machine

A knob mechanism for an egg twisting machine comprises a fixed base, a rotary disc, a fluted disc, a rotation stopping mechanism, a triggering mechanism and a feeler lever, and a rotary shaft of the fluted disc is arranged on one end face of the fixed base. A rotating shaft of the turntable is arranged on the other end surface of the fixed base and is connected with a rotating shaft of the fluteddisc; the rotation stopping mechanism comprises a rotation stopping piece and a two-way return mechanism, one end of the rotation stopping piece is rotatably fixed to the fixed base, the other end ofthe rotation stopping piece extends into a tooth groove in the nearest end of the fluted disc, and the two-way return mechanism can reset the rotation stopping piece to the initial position in the forward rotation direction and the reverse rotation direction of the fluted disc; the feeler lever is arranged on the end face of the fluted disc, and the track of the feeler lever rotating along with the fluted disc interferes w