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浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (7): 1267-1274    DOI: 10.3785/j.issn.1008-973X.2013.07.020
机械与能源工程     
基于磁场磁力的铁粉纸屑分离机构设计　　
刘刚1,刘春1,2,章明1,柯臻铮1,柯映林1,李文清3,赵学安3
1.浙江大学 机械工程学系,浙江 杭州 310027；2.成都飞机工业集团有限公司, 四川 成都 610031;
3.西安飞机工业集团有限公司,陕西 西安 710089
Separating mechanism design for iron powder and paper scraps based on magnetic force 
LIU Gang1, LIU Chun1,2, ZHANG Ming1, KE Zhen-zheng1, KE Ying-Lin1, LI Wen-qing3, ZHAO Xue-an3
1. Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027,China；
2.Chengdu Aircraft Industrial (Group) Limited Company,Chengdu 610031,China;
3. Xi’an Aircraft Industrial Coporation, Xi’an 710089,China 
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摘要：

 为了解决纸基蜂窝芯零件基于磁场和摩擦吸附原理固持方法中作为固持介质的铁粉在零件加工过程中掺杂蜂窝芯纸屑而不能重复使用的问题,提出基于磁场磁力的铁粉纸屑分离机构设计方案.根据蜂窝芯纸屑的存在形式,分离机构采用摆动筛和磁性分离的两级分离方式.根据摆动筛连杆机构的特性分析,采用调节偏心轮电机转速的方式来控制摆动筛的摆动频率.根据滚筒机构的结构形式,计算得到铁粉区域磁感应强度值应不小于0.107 T,采用调节滚筒驱动电机转速的方式来控制平带上吸附铁粉的厚度.根据有限元分析对比结果,采用带有导磁极的激磁组件结构形式,导磁极厚度应取15～20 mm,空气间隙应取20～25 mm．
Abstract:

An ingenious mechanism based on magnetic force was designed for separating iron powder and paper scraps in order to solve the problem that iron powder which was used as medium to fix honeycomb workpiece was polluted by paper scraps after milling machining process in the honeycomb fixture method based on magnetic and friction force. The two step separation method, swing sieve followed by magnetic separating, was adopted according to the form of scraps. Through characteristic analysis of linkage mechanism, a way to control swing frequency by adjusting motor speed of eccentric wheel was accepted. According to the roller structure, magnetic field intensity value of iron powder area was calculated, not less than 0.107 T, and a way to control iron powder thickness by adjusting motor speed of roller was applied.  Magnetic subassembly structure with guide pole was selected through finite element analysis and result contrast. Guide pole thickness should be 15～20 mm, and air gap should be 20～25 mm．
出版日期: 2013-07-01
:  V 261.97  
基金资助:

中央高校基本科研业务费专项资金资助项目（2011FZA4003）;国家科技支撑计划资助项目（2011BAF13B08）.
作者简介: 刘刚(1973-)，男，副教授，从事先进制造工艺及装备技术的研究. E-mail：liugang1218@sina.com
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引用本文:

刘刚,刘春,章明,柯臻铮,柯映林,李文清,赵学安. 基于磁场磁力的铁粉纸屑分离机构设计　　[J]. J4, 2013, 47(7): 1267-1274.

LIU Gang, LIU Chun, ZHANG Ming, KE Zhen-zheng, KE Ying-Lin, LI Wen-qing,ZHAO Xue. Separating mechanism design for iron powder and paper scraps based on magnetic force . J4, 2013, 47(7): 1267-1274.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2013.07.020    或    http://www.zjujournals.com/eng/CN/Y2013/V47/I7/1267

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