The utility model provides a double-layer corrugated
paper production mechanism and a corrugated paper board
production line applying the same, which comprises a corrugated roller, a corrugated peak a of a corrugated tooth of the corrugated roller is arranged to be a plane, so that a corrugated peak b of formed corrugated paper is also a plane; according to the corrugated roller, the corrugation peaks of the corrugation teeth are ground into planes, when two corrugating roller points are in
butt joint in a tip-to-tip mode, the two corresponding corrugation peaks in the plane shape make parallel contact with each other to form face-to-face parallel attachment, and therefore the corrugation peaks of formed corrugated paper are also planes, and when the two pieces of corrugated paper are in
butt joint and bonded, the corrugation peaks of the corrugated paper are not prone to deformation. According to the corrugated roller, the contact face is greatly increased through the planar ridges, bonding is very firm, based on the planar
butt joint ridge structure, when two
layers of corrugated rollers roll oppositely, the whole planar ridges are stressed integrally, stress is balanced and stable, it is ensured that the ridges of corrugated paper can be effectively aligned and cannot deviate, bonding pressure is enough, and the corrugated paper can be effectively bonded. And on the premise of effective alignment, firm bonding is further guaranteed.