磁致伸缩式柔性微夹钳的设计及实验  

Design and Experimental Research on Magnetostrictive Flexible Micro Gripper

作　　者：祝志芳[1,2] 刘良涛 刘源杰 余宏涛 卢全国 ZHU Zhifang;LIU Liangtao;LIU Yuanjie;YU Hongtao;LU Quanguo(Nanchang Institute of Technology,Jiangxi Province Key Laboratory of Precision Drive&Control,Nanchang 330099,China;Zhejiang Sci-Tech University,Faculty of Mechanical Engineering,Hangzhou 310018,China)

机构地区：[1]南昌工程学院江西省精密驱动与控制重点实验室,南昌330099 [2]浙江理工大学机械工程学院,杭州310018

出　　处：《机械设计与研究》2023年第5期55-58,62,共5页Machine Design And Research

基　　金：江西省教育厅科技项目(GJJ2201504,GJJ211940,GJJ180959);水利部重大科技项目(SKS-2022149);江西省科技厅重大科技研发专项(20203ABC28W016);国家自然科学基金(52365005);江西省自然科学基金(20232BAB204045)资助项目。

摘　　要：基于磁致伸缩材料的磁致伸缩效应,设计了一种以Galfenol材料为驱动元件,将Galfenol薄片直接粘贴于铍青铜夹片表面构建的复合悬臂梁式柔性微夹钳,装置结构简单,在增大夹持范围的同时可实现对目标物的柔性夹持。通过搭建实验测试平台,采用不同大小的电流信号对微夹钳进行驱动,测试结果表明,当驱动电流为1.6 A时,夹片夹口完全闭合,通过激光位移传感器测得两夹片的最大偏转位移分别为106.4μm和124.8μm,整体夹持范围可达231.2μm,为磁致伸缩微夹持器的设计和应用提供参考。Based on the magnetostrictive effect of magnetostrictive materials,material Galfenol is designed as the drive element.Galfenol slices are directly pasted to a composite-cantilever beam-type flexible micro gripper constructed on the surface of the beryllium bronze clamping chip,and the structure is simple.Flexible clamping of the target object is achieved with the increased clamping range.Dfferent current signals are used to drive the micro gripper through constructing an experimental test platform.The test results showed that the clamp of the clamping chip was completely closed when the driving current was 1.6 A.The maximum deflection displacements of the two clips measured by the laser displacement sensor were 106.4μm and 124.8μm,respectively.And the overall clamping range reached 231.2μm.This work provides a reference for the design and application of magnetostrictive micro grippers.

关 键 词：GALFENOL 磁致伸缩 悬臂梁 微夹钳 

分 类 号：TH113[机械工程—机械设计及理论]