Machine having an improved draining grid for compacting humid waste

A machine (4) having an improved drainage grid (1) for compacting humid waste (2), of a type comprising at least an Archimedes screw (7) which is rotatable about a longitudinal axis (X) thereof, the drainage grid (1) comprising a perforated structure (16) having a lower portion defining an arched portion (17), the perforated structure (16) having opposing ends which define an opening extending between the opposing ends, the opening being located above the lower portion, the arched portion (17) being predisposed to adhere against a helix (10) of the Archimedes screw (7) and which enables liquid substances to pass, wherein the drainage grid (1) comprises means for regulating (21), associated with the perforated structure (16), which are elastically deformable in such a way as to determine a continuous adhesion of the arched portion (17) to the helix (10) of the Archimedes screw (7) and to enable a distancing of the arched portion (17) from the helix (10) following application of at least a force directed from the helix (10) towards the arched portion (17), wherein the means for regulating (21) are elastically pretensioned in order to maintain the arched portion (17) in contact with the helix (10) of the Archimedes screw (7), wherein the means for regulating (21) are associated to a support portion (18) at each end of the perforated structure (16), and the means for regulating (21) are located above a horizontal plane extending through the longitudinal axis (X).