一种外包络法土豆表皮切削刀头的设计与运动轨迹分析
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摘要
基于土豆外形凹凸不平的削皮局限性,提出了1种外包络法土豆表皮切削的新方法,在逐个仿人工切削的基础上,将一整个切削刀片分成若干等宽的小刀片,并采用弹性介质作为传动媒介,以达到土豆表皮仿形等厚切削的效果。确定出此切削方法的工作原理,阐明了该刀头整体和关键组成部分的功能实现及结构,并通过对土豆表皮切削的3维仿真及运动轨迹分析,得到了基本切削参数,以验证此加工方法及刀头设计的合理性。
Because the limitation of the current automatic peeling technology on potato with accidented surface,A new external envelope method on cutting potato skin was be proposed,In order to achieve a satisfied effect which potato epidermis was profiling peel with uniform thickness,on the simulated hand-paring for potato skin one by one,the whole cutting blade was divided into a number of small blades with equal width,and the driving force was transfered though a special kind of flexible medium,depending on the above methods,the working principle of elastic tool bit was confirmed,and the assembly design of the cutting tools and the detail structural design of each functional parts were all expounded.By three-dimensional simulation and motion trajectory analysis,The basic cutting parameters was obtained,and the rationality of this peeling method and the design of the tool head was verified Finally.
Because the limitation of the current automatic peeling technology on potato with accidented surface,A new external envelope method on cutting potato skin was be proposed,In order to achieve a satisfied effect which potato epidermis was profiling peel with uniform thickness,on the simulated hand-paring for potato skin one by one,the whole cutting blade was divided into a number of small blades with equal width,and the driving force was transfered though a special kind of flexible medium,depending on the above methods,the working principle of elastic tool bit was confirmed,and the assembly design of the cutting tools and the detail structural design of each functional parts were all expounded.By three-dimensional simulation and motion trajectory analysis,The basic cutting parameters was obtained,and the rationality of this peeling method and the design of the tool head was verified Finally.
引文
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[3]庞芳兰.发达国家马铃薯种植产业的发展及其启示[J].世界农业,2008,58(3):53-55.
[4]何萌.鲜切蔬菜品质控制技术的研究-鲜切马铃薯和莲藕[D].新疆石河子:石河子大学,2014.
[5]姚齐,张影.马铃薯去皮机简介[J].现代化农业,2010,38(8):36-39.
[6]易先中,华北庄.螺杆转子的旋风式法曲率包络铣削技术[J].中国机械工程,2000,11(9):24-27.
[7]赵海岸.径向可伸缩式孔背面铣刀[J].金属加工:冷加工,2017,22:46-48.
[8]赵文珍,杨向红,孙新.包络法数控加工螺杆的刀具轨迹计算方法[J].2000,5:20-22.
[9]韩克筠.金属材料可切削性与刀具[M].南京:江苏科学技术出版社.1980.
[10]刘紫微,吴伟.常见刀具理化性能的差异分析[J].理化检验,2012(1):18-22.
[11]吴剑钊,陈家琦,兰浩. PCD车刀断屑器的结构设计[J].机械设计与研究,2018,34(1):154-156.
[12]东北工学院机制教研室.机械零件设计手册[M],北京:冶金工业出版社,1974.
[13]李超,余洋.涡旋压缩机的虚拟建模与运动仿真[J].流体机械,2012,40(1):17-21.
[14]赵丽琴,王彪,何谨恒.准干式深孔镗削中切屑运动的仿真分析[J].机械设计与研究,2013,29(2):84-87.
[15](美)DS SolidWorks(R)公司.SolidWorks Motion运动仿真教程[M],北京:机械工业出版社,2014.