A feeding assembly for loading a flexographic plate in a treatment station, the feeding assembly comprising: - a loading surface configured for placement of said flexographic plate, - an advancement surface, adjacent to said loading surface; - handling means for moving said flexographic plate on said advancement surface between said loading surface and an inlet section of said treatment station, wherein said handling means define a longitudinal direction of displacement for said flexographic plate, a transversal direction orthogonal to said longitudinal direction and a vertical direction; - a housing site in which a pin bar is arranged, the pin bar comprising a plurality of mutually aligned pins and being oriented so that said pins are aligned along a direction parallel to said transversal direction; and - a punching unit comprising punching means operative to pierce a row of connecting holes through said flexographic plate; wherein said handling means comprise: - a first handling unit of said flexographic plate configured to move said flexographic plate along said longitudinal direction to position a front edge thereof at a first reference position, the first reference position being located such that when the first front edge of the flexographic plate is positioned at the first reference position, said punching means are in position to pierce said connecting holes near said front edge and - a second handling unit configured to move the flexographic plate along said longitudinal direction from the first reference position to a second reference position following the piercing of said row of connecting holes, wherein at the second reference position, said row of connecting holes is aligned with corresponding pins of said pin bar, and wherein said feeding assembly comprises a pressing device for connecting said flexographic plate to said pin bar, said pressing device being configured to apply a pressure on said flexographic plate as a result of which at least one pin of said pin bar is inserted in a corresponding connecting hole of said flexographic plate and wherein, following the connection between said flexographic plate and said bar, said second handling unit is configured to lift said pin bar and to move it along said longitudinal direction to a third reference position in which said pin bar is couplable to a dragging system of said treatment station. - a loading surface configured for placement of said flexographic plate, - an advancement surface, adjacent to said loading surface; - handling means for moving said flexographic plate on said advancement surface between said loading surface and an inlet section of said treatment station, wherein said handling means define a longitudinal direction of displacement for said flexographic plate, a transversal direction orthogonal to said longitudinal direction and a vertical direction; - a housing site in which a pin bar is arranged, the pin bar comprising a plurality of mutually aligned pins and being oriented so that said pins are aligned along a direction parallel to said transversal direction; and - a punching unit comprising punching means operative to pierce a row of connecting holes through said flexographic plate; - a first handling unit of said flexographic plate configured to move said flexographic plate along said longitudinal direction to position a front edge thereof at a first reference position, the first reference position being located such that when the first front edge of the flexographic plate is positioned at the first reference position, said punching means are in position to pierce said connecting holes near said front edge and - a second handling unit configured to move the flexographic plate along said longitudinal direction from the first reference position to a second reference position following the piercing of said row of connecting holes, wherein at the second reference position, said row of connecting holes is aligned with corresponding pins of said pin bar, and