Weeding device for nursery garden

The utility model discloses a nursery weeding device which comprises a first supporting plate and a generator installed at the top of the first supporting plate, a second supporting plate is installed at the front end of the first supporting plate, two first supporting rods are fixed to the bottom of the second supporting plate, a third supporting plate is installed at the bottoms of the first supporting rods, and first baffles are fixed to the side walls of the second supporting plate and the third supporting plate. Supporting rods II are further symmetrically and rotationally arranged at the bottom of the supporting plate II, chain wheels are fixed to the bottoms of the two supporting rods II, sawtooth chains are in transmission connection with the two chain wheels, a driving motor I is installed at the top of the supporting plate II, and an output shaft of the driving motor I penetrates through the supporting plate II and is fixed to the supporting rod II on one side; cutting assemblies convenient for cutt