Plastic cutting-of buffer assembly

The utility model relates to a plastic cutting-of buffer assembly which comprises a positioning frame, wherein an upper pressure roller and a lower pressure roller which are tightly matched are arranged on the positioning frame; vertical moving grooves are formed in two sides of the positioning frame; movable blocks are respectively arranged at two ends of the upper pressure roller; a vertical reset elastic element is arranged on each movable block; the movable blocks and the reset elastic elements are respectively arranged in the corresponding moving grooves. According to the plastic cutting-of buffer assembly disclosed by the utility model, the upper pressure roller and the lower pressure roller are tightly matched, so that the feeding stability is guaranteed; meanwhile, the reset elastic elements provide buffer, so that the phenomenon that the feeding is influenced due to excessive tightness of the upper pressure roller and the lower pressure roller is avoided; the plastic cutting-of buffer assembly is high in working efficiency and stability, and meets the use demand of the production of enterprises.