Device for punching blanks out of a flat sheet

Apparatus for punching blanks from a flat piece (10, 10a), In particular packaging blanks (12) from cardboard or corrugated cardboard, attached with a support plate (22), of this abkragendem as blade or cutting line cutting knife (30) and this flanking Mouldings (50, 50a, 52) made of a flexible material is limited, characterized in that on the carrier plate (22) parallel to the punching knife (30) at each of its longitudinal sides a groove-like profile (40, 40a) Of rigid material arranged in this and the profile strip (50, 50a, 52) is inserted with a region (46) of their cross section.