Packing machine for corrugated board production

The utility model belongs to the technical field of corrugated board production equipment, and provides a packing machine for corrugated board production, which comprises a rotary table, a driving mechanism, a supporting roller and a support, two supporting assemblies which are oppositely distributed left and right are arranged on the support, each supporting assembly comprises two cantilevers, and a vertical air cylinder is arranged at the bottom of the lower cantilever. A supporting column matched with a packaging film in a supporting mode is arranged at the end of the cantilever, a transition connecting assembly is arranged on the rotary table and comprises a square pipe and a wing plate, long-strip-shaped holes allowing the packaging film to penetrate through are formed in the top face, the front face and the rear face of the square pipe, and a film cutting knife moving in the length direction of the square pipe is arranged in the square pipe. A connecting block set is arranged at the bottom of the film c