Buckwheat intertillage weeding machine

The invention particularly relates to a buckwheat intertillage weeding machine which solves the problems that when an existing mechanical weeding device is used for buckwheat, working resistance is large, the complete weeding rate is low, and grass is prone to being wound. The buckwheat intertillage weeding machine is characterized in that a supporting vertical rod is connected to the left side of a rack, a Z-shaped support is fixed to the right side of the supporting vertical rod, a crank and rocker mechanism is arranged on the Z-shaped support, and a motor is connected with the crank and rocker mechanism through a transmission mechanism; the crank and rocker mechanism comprises a rocker, and an inverted-L-shaped connecting rod is arranged at the bottom end of the rocker; a crank rod is arranged at the upper right end of the inverted-L-shaped connecting rod, and a crank power shaft is fixedly arranged on the front side of one end of the crank rod in a penetrating mode; a transmission mechanism comprises a dr