Cutting apparatus for corrugated cardboard sheets

摘要

In the present invention, complete cutting is carried out by means of primary and secondary cutting processing without causing the crush, break or crack of a cut portion even in the case of a composite paper sheet such as a thick corrugated cardboard sheet or the like. There is provided a cutting apparatus for corrugated cardboard sheets which cuts and separates a corrugated cardboard sheet (5) along the proceeding direction, wherein at the upstream from a cylinder cutting portion for performing secondary cutting consisting of a knife cylinder (2) having a knife (4) and an anvil cylinder (1) is provided a cutter knife (6) for performing primary cutting fixed to a bracket (8) capable of movement and adjustment in the widthwise direction of the sheet, and at the opposite side with respect to the corrugated cardboard sheet (5) is provided a sheet guide (11) capable of movement on a guide rod (12) so as to change a relative position (gap) with respect to the same cutter knife (6).