Dendrobium grinding and pulverizing device

The invention discloses a dendrobium grinding and pulverizing device which comprises an anti-skid supporting leg, a grinding base, a supporting rod, a limiting device and a grinding device. The anti-skid supporting leg is welded to the lower end of the grinding base; the supporting rod is mounted on the upper end of the grinding base; the top end of the supporting rod is connected to a rack plate;a movable limiting sleeve is arranged on the rack plate in a sleeving manner; the lower end of the movable limiting sleeve is connected through a rotating motor; a rotating wheel is mounted on the output end of the rotating motor; the lower end of the rotating motor is connected to a grinding device through a compression spring; the middle position of a supporting column is connected through a limiting device; a limiting sleeve connecting plate is arranged in the middle position of the limiting device, and a lifting limiting sleeve is mounted at the tail end of the limiting sleeve connectingplate; a limiting block is