Research Of Parametric Design And Optimization On Platen Press Die Cutting Mechanism

Combined enterprise' s material requirement, this article analyzed and optimized the main die-cutting mechanism of automatic platen die-cutter, and done a parametric design system which adopted man-machine alternate form to improve flexible mechanism design. Concrete contents is as follows:1. Aimed at two kinds of main die-cutting mechanism forms of presently automatic platen die-cutter, the author constructed current geometrical models, which build foundation for machinery analysis, mechanism synthesis and optimized.2. The author studied the motion compatibleness of executive system, and built the connection of the motion parameter (motion-stand ratio) that complete "walk paper" craft and the bar dimension of die cutting toggle press mechanism that complete "die cutting" craft.3. As the free route of travel that to move the terrace, the motion-stand ratio of cam for the leading changed parameter, combining the factor about die cutting press, applying the method of analytic geometry, according to the above geometrical models, the author deduced the calculation formula of size parameter, and afforded gist for parameter design of machine.4. To a concrete series die-cutting machine, the author optimized the bar dimension of die cutting mechanism, adopting the random-searchmethod and vector-triangle method, consequently got the excellent construction parameter (bar length and some angle parameter). This can not only be better to guarantee the motion characteristic that make movable table satisfy the die-cutting craft request, but also increases machine efficiency.5. According to the current design condition of die-cutting machine, to realize parameter design of the main die-cutting mechanism, which include dimension parameter calculation, movement characteristic analysis and curve describing, machine moving, the author developed a special design software which based on Windows, and was programmed in VC++. This article not only provided analysis and optimization for themain die-cutting mechanism design, but also made for enhancing our owndesign abilities, and laid a foundation for further doing dynamic designof the device.