Patent Application No. 972385179.1
Abstract: The utility model is an improvement to the existing hybrid folding machine. The main improvement point is to add a double grid type folding group under the folding roller of the second folding set of the existing hybrid folding machine, or a third vertical cutting machine behind the second folding set of the existing hybrid folding machine. The folding group and the fourth vertical knife folding group. According to the actual requirements of the user, the utility model can flexibly select the form of positive and negative double folds and the form of positive and negative folds, and has high folding efficiency and good quality.