The invention provides a coarse fodder block making machine comprising a bulk material input portion, a fodder straw forming portion, a base, and an actuating portion, wherein the fodder straw block forming portion includes an inner disc, an outer disc and a plurality of shaping mould which is provided with a notch, the notch is provided with an adjustment board capable of inverting within a finite range through the screw-threaded adjusting mechanism mounted on the inner disc or outer disc, thus varying the cross section of fodder straw block passage on the shaping mould and realizing the adjustment for forming pressure of the fodder straw blocks. |