Shaftless spiral conveying presser

The utility model discloses a shaftless spiral conveying presser. The device comprises a rack, a U-shaped conveying groove is formed in the rack, a cover plate is arranged above the conveying groove,at least one material receiving opening is formed in the cover plate, shaftless spiral blades are arranged in the conveying groove, a driving mechanism of the shaftless spiral blades is arranged at the initial section of the conveying groove, and a squeezing area is formed at the tail end of the conveying groove; a residue baffle is arranged at an axial outlet in the tail end of the conveying groove, a plurality of draining holes are formed in the circumferential wall of a squeezing area in the conveying groove, a water tank is installed on the outer wall of the conveying groove, the water tank covers all the draining holes, and the water tank is provided with draining holes. The draining holes are formed in the U-shaped conveying groove, the water tank is arranged outside the U-shaped conveying groove to form the