超声焊接圆锥复合变幅杆的设计与分析

李永亮; 王敬; 马毓

doi:10.13433/j.cnki.1003-8728.20200363

超声焊接圆锥复合变幅杆的设计与分析

doi: 10.13433/j.cnki.1003-8728.20200363

李永亮^{1, 2,},
王敬^{1, 2, ,},
马毓¹

1.
重庆工商大学机械工程学院，重庆　400069
2.
重庆工商大学制造装备机构设计与控制重庆市重点实验室，重庆　400069

基金项目: 重庆市自然科学基金面上项目（cstc2020jcyj-msxmX0276）、重庆市教委科学技术研究项目（KJQN201900827）及重点实验室平台开放项目（KFJJ2017053）

详细信息

作者简介:
李永亮（1982−），工程师，硕士，研究方向为先进制造技术，金属材料工程，handanjushi@126.com

通讯作者:
王敬，副教授，博士，wangjing-0113@163.com

中图分类号: TB559
计量
- 文章访问数: 138
- HTML全文浏览量: 61
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2020-08-07
- 网络出版日期: 2022-05-06
- 刊出日期: 2022-05-11

Design and Analysis of Conical Composite Horn Manufactured by Ultrasonic Welding

LI Yongliang^{1, 2
,},
WANG Jing^{1, 2
, ,},
MA Yu¹

1.
School of Mechanic Engineering, Chongqing Technology and Business University, Chongqing 400069, China
2.
Chongqing Key Laboratory of Manufacturing Equipment Mechanism Design and Control, Chongqing Technology and Business University, Chongqing 400069, China

摘要

摘要: 针对超声塑料焊接变幅杆因加工对象不同而存在的设计难题，结合具体工程案例，综合了基于纵波传输理论的复合变幅杆的参数化建模、有限元模态与谐响应分析，阻抗分析与实验分析的一体化方法，实现了圆锥复合变幅杆的设计、建模及结构优化的高效性，准确性。结果表明：采用嵌入参数的建模可以更快的实现复合变幅杆结构设计及优化；有限元分析与阻抗分析方法在复合超声变幅杆的振型、频率特性分析上吻合度较高，试验测试满足设计要求；可以为单头超声塑料焊接复合变幅杆提供通用的设计、分析方法。
- 圆锥复合变幅杆 /
- 参数计算与建模 /
- 模态与谐响应有限元分析 /
- 阻抗分析与试验
Abstract: In view of the design of ultrasonic plastic welding horns due to different processing objects, combined with the specific engineering case, integrated with the method of parametric modeling based on longitudinal wave transmission theory, finite element modal and harmonic response analysis, impedance analysis and experimental analysis, the efficiency and accuracy of the design, modeling and structure optimization of the conical composite horns are realized. The results show that the structural design and optimization of the composite horn can be realized more quickly with the parameters. The results also show that the finite element analysis and impedance analysis is in a good agreement with the vibration mode and frequency characteristics of the composite ultrasonic horn, and the experimental test meets the design requirements. It can provide a universal design and analysis method for the single-head ultrasonic plastic welding composite horn.
- conical composite horn /
- parameters calculation and modeling /
- finite element analysis of modal and harmonic response /
- impedance analysis and experiment

HTML全文

图 1 耳机防尘钢网焊接要求图

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图 2 半波长复合圆锥变幅杆波形传动图

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图 3 变幅杆参数化建模图

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图 4 变幅杆优化前模态分析结果图

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图 5 变幅杆结构优化图

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图 6 优化后变幅杆模态分析结果图

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图 7 优化后变幅杆模态分析振动矢量云图

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图 8 总变形量谐响应分析图

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图 9 最大弹性应变谐响应分析图

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图 10 频率谐响应分析图

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图 11 超声换能器阻抗分析图

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图 12 超声换能器及变幅杆阻抗分析图

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图 13 超声波换能器阻抗分析图

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图 14 超声波换能器及变幅杆阻抗分析图

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图 15 耳机防尘钢网超声焊接加工图

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表 1 7075 铝合金材料性能参数表

密度ρ/
（kg·m⁻³）弹性模量E/
GPa 纵波传输声速c/
（mm·s⁻¹）泊松比

2.81×10³ 71 5026.62 0.33

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表 2 变幅杆参数表

频率
$f/{\rm{kHz} }$ 大端直径
$ D/{\rm{mm}} $ 小端直径
$ d/{\rm{mm}} $ 谐振长度（λ/2）
L/mm

40 25 5 62.83

下载: 导出CSV

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