Nursery tray punching and seedling lifting dual-purpose all-in-one machine and working method thereof

The invention relates to a nursery tray punching and seedling lifting dual-purpose all-in-one machine and a working method thereof. The nursery tray punching and seedling lifting dual-purpose all-in-one machine is characterized in that the nursery tray punching and seedling lifting dual-purpose all-in-one machine comprises a machine base, a lifting platform arranged on the machine base and a base frame for supporting a nursery tray. The lifting platform is provided with a punching rod positioning plate, downward punching rods are densely distributed on the bottom surface of the punching rod positioning plate, the nursery tray comprises a tray body, a plurality of seedling culture grooves are distributed in the tray body, the seedling culture grooves each are in a cone bucket shape with the large top and small bottom, the bottom surfaces of the seedling culture grooves are provided with seedling culture through holes, and the side walls of the seedling culture grooves are provided with protruded ribs extending