Air cylinder acting type accurate seedling device

The utility model relates to a seedling device, in particular to an air cylinder acting type accurate seedling device which comprises a seedling barrel and a seedling barrel cover. One end of the seedling barrel is open, the seedling barrel cover is arranged at the open position of the seedling barrel, the seedling barrel cover is fixedly connected with the seedling barrel through a bolt, the seedling barrel is matched with a driving shaft through a transmission assembly arranged on the seedling barrel and can be driven by the driving shaft to rotate, a diamond-shaped seat bearing is fixed on the seedling barrel cover, a hollow fixed shaft penetrates through the diamond-shaped seat bearing to extend into the seedling barrel and communicated with a nest hole formed in the seedling barrel through a sucking seedling assembly, and the seedling barrel cover, the diamond-shaped seat bearing and the fixed shaft are coaxially arranged. Thus, the air cylinder acting type accurate seedling device has the following adva