A machine for harvesting maize, comprising a supporting structure (12) carrying a plurality of harvesting units (18) set alongside one another in a transverse direction (B), wherein each harvesting unit (18) comprises: - a framework (26) fixed with respect to the supporting structure (12) and including two box sections (28) set at a distance from one another in a transverse direction by an empty space (30) elongated in a longitudinal direction (A)； - two stripper plates (44) carried by respective box sections (28), the stripper plates (44) having respective edges (46) facing one another that extend on opposite sides in said empty space (30), the facing edges (46) of said stripper plates (44) forming a squeezing channel (48)； and - a pair of counter-rotating traction rollers (82) arranged underneath said squeezing channel (48), wherein said stripper plates (44) are mobile in a vertical direction (V) with respect to the respective box sections (28) between a raised position and a lowered position and are associated to respective spring devices that push the stripper plates (44) elastically towards said raised position.
