北京航空航天大学学报 ›› 2015, Vol. 41 ›› Issue (3): 479-484.doi: 10.13700/j.bh.1001-5965.2014.0206

• 论文 • 上一篇    下一篇

刀具编码的激光自适应标刻技术

徐琅1, 何卫平2, 万敏1, 李卫东1, 雷蕾2   

  1. 1. 北京航空航天大学 机械工程及自动化学院, 北京 100191;
    2. 西北工业大学 机电学院, 西安 710072
  • 收稿日期:2014-04-15 出版日期:2015-03-20 发布日期:2015-04-02
  • 通讯作者: 万敏(1962—),男,江西南昌人,教授,mwan@buaa.edu.cn,主要研究方向为板料塑性成形技术及应用. E-mail:mwan@buaa.edu.cn
  • 作者简介:徐琅(1988—),男,江西临川人,博士生,18310980159@163.com
  • 基金资助:
    西北工业大学研究生创业种子基金资助项目(Z2011063)

Self-adaptive laser marking technology for marking code on tool

XU Lang1, HE Weiping2, WAN Min1, LI Weidong1, LEI Lei2   

  1. 1. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
    2. School of Mechatronics, Northwestern Polytechnical University, Xi'an 710072, China
  • Received:2014-04-15 Online:2015-03-20 Published:2015-04-02

摘要: 针对激光标刻刀具编码时出现的标刻效率低、标刻质量不稳定、危害工人身体等问题,提出了一种自适应标刻技术.设计了特定结构的输送机和V型块,配合光电开关的检测功能实现自适应传送刀具;设计了使不同刀具在抓取后轴线处在同一位置的机械手爪,以保证不同刀具端面都能快速定位到激光头标刻区域;利用机械手的快速移动,采用了光电开关辅助对焦来提升对焦的速度和精度.在这3项关键技术支持下,完成了整个方案的设计.样机的测试结果表明,相比传统标刻方式,自适应标刻技术能将标刻效率提升4倍以上,保证标刻编码质量稳定可靠,实现无人化标刻.

关键词: 激光标刻, 刀具, 编码, 自适应, 无人化

Abstract: In view of the recent situation that several defects of traditional laser marking code on tool appear such as marking inefficiency, marking quality instability and the harm to workers, a self-adaptive laser marking technology was put forward. The conveyor and V-block of specific structure were designed with photoelectric switch detection function to realize self-adaptive tool delivery. Besides, a kind of gripper was developed that made the different tool axes stand in the same position after grasping, which ensured that all of the different tool ends could quickly locate to laser marking area. Moreover, using the rapid moving of gripper, a photoelectric switch was adopted auxiliary focus to improve the speed and precision of focusing. Under the support of the three key technologies above, the whole design of project was completed. The test results of prototype prove that the self-adaptive laser marking technology increases the marking efficiency of more than four times compared with that of the traditional way and ensures the marking quality reliably. This technology achieves the goal of unmanned marking.

Key words: laser marking, tool, code, self-adaptive, unmanned

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