Structure Design of Die Cutting Unit in Corrugated Carton Production Line

The corrugated carton as a common packaging tool is usually produced in production line including feeding unit of corrugated boards, printing unit, slotting unit, die cutting unit, and gluing unit. Among them, the die cutting unit is a very important device in this line, which has a large influence on the accuracy of cutting position. So it is crucial to design the structure of die cutting unit. First, both main structure and motion of rotary die cutting unit are analyzed. It is explained that die cutting unit is mainly composed of two rollers, rubber roller and die roller. Both the rollers rotate synchronously. In order to promote the cutting quality, adjustments of rubber roller and die roller are necessary, such as roller position, rotating speed, so adjusting structure in detail and its principle of die cutting unit are illustrated in this paper.