A pallet stacking and distributing machine

The utility model discloses a pallet stacking and distributing machine, comprising a lifting mechanism. The lifting mechanism comprises a ball screw assembly capable of driving pallets to move vertically; the lifting mechanism also comprises a coupler connected with the ball screw assembly; the coupler is connected with a speed reduction motor; and a ball screw of the ball screw assembly is connected with a lifting platform. The lifting mechanism drives the lifting platform through the ball screw assembly to carry the pallets and move vertically, rapidly and stably, so the pallet stacking and distributing machine is widely applicable to operation of pallet dismounting and stacking in the field of logistic transportation.