铜箔卷材剪切机切刀机构的研究

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为解决目前卷材剪切机不能满足薄型化电子铜箔剪切质量要求的难题,针对电子铜箔材质特性,研究了一种基于偏心轮连杆机构设计的切刀机构。首先,从偏心轮传动机理和摆杆的联动两方面,详细地阐述了切刀机构的运行原理;然后,对切刀啮合点的受力情况进行了分析;最后,通过样机实际测量的经验数据分析和运用Matlab计算数据分析,完成了切刀机构的优化设计。研究结果表明,根据铜箔厚度的不同,通过适当地调整切刀机构中摆杆及刀架的技术参数,可改善铜箔的剪切效果,解决了铜箔剪切过程中易起皱、产生铜粉的问题,满足了电子铜箔剪切的特殊要求。 In order to slove the problem that the coil shearing machine can′t meet shearing quality of thin electrolytic copper foil,a cutting knife institutions based on linkage mechanism of eccentric wheel was studied for the material characteristic of the electronic copper foil.Firstly,the operating principle of the cutting knife institutions was described in detail from the aspects of eccentric wheel transmission mechanism and linkage of the swinging rod.Then the force of cutting knife meshing point was analyzed.Finally,the optimization design of the cutting knife institutions was realized through analyzing the prototype practical measurement data and using Matlab data.The result indicates that the shearing knife institutions improves the shearing copper foil effect for the different thickness of the copper foil by adjusting the technical parameters of swinging rod and tool holder properly,solves problems of corrugation and copper powder in the process of shearing copper,and meets the special requirements of electrolytic copper foil.