套袋机热封刀拓扑分析及结构优化
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1.四川省宜宾普什集团有限公司技术中心;2.宜宾四川大学产业技术研究院;3.宜宾四川大学产业技术研究院, 宜宾 644005;4.四川大学机械工程学院, 成都 610065

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中图分类号:

TB486.3

基金项目:

川大-宜宾校地合作项目(2019CDYB-13)


Topology analysis and structure optimization of the heat-sealing knife of the bagging machine
Author:
Affiliation:

1.The Technology Center of Sichuan Yibin Pushi Group Company, LTD, Yibin 644007, China;2.Industrial Technology Research Institute of Yibin Sichuan University, Yibin 644005, China;3.School of Mechanical Engineering, Sichuan University, Chengdu 610065, China

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    摘要:

    为了降低热封刀的加热等待时间,同时将加热管产生的能量集中到热封膜接触面上,本文对包装机中热封刀结构进行改进.首先。我们建立热封刀温度场模型,并检验模型的准确性;然后,利用Ansys Workbench中目标驱动优化工具对热封刀特定尺寸进行优化;其次,利用Ansys Workbench中Genesis模块对热封刀结构进行拓扑分析并优化;在两者优化的基础上利用试凑法进行仿真实验,逐步调整热封刀尺寸.最终在封膜质量得到保证以及热封刀安装尺寸不变的情况下,加热管产生的能量大部分集中到封膜接触面上,且封膜接触面的最高温度从160.25 ℃提高至330.11 ℃.结果表明借助Ansys Workbench仿真软件对热封刀结构进行改进,可以达到降低热封刀的加热等待时间,同时将加热管产生的能量集中到热封膜接触面上的目的.

    Abstract:

    In order to reduce heating waiting time of the heat-sealing knife, and concentrate energy generated by the heating tube on the contact surface of heat-sealing film, the structure of heat-sealing knife in the packaging machine is improved. First, establish the temperature field model of heat-sealing knife and verify the accuracy of model. Then, use the goal-driven optimization tool in Ansys Workbench to optimize the specific size of heat-sealing knife. Next, use the Genesis module in Ansys Workbench to perform topological analysis and optimize the structure of heat-sealing knife. On the basis of the optimization of the two, the simulation experiment was carried out by trial and error method, and the size of the heat-sealing knife was gradually adjusted. Finally, under the condition that the quality of the sealing film is guaranteed and the installation size of the heat sealing knife remains unchanged, most of the energy generated by the heating tube is concentrated on the sealing film contact surface, and the maximum temperature of the sealing film contact surface is increased from 160.25℃ to 330.11℃.According to the result, with the help of Ansys Workbench simulation software, the structure of heat-sealing knife is improved, which can achieve the purpose of reducing heating waiting time of the heat-sealing knife, and concentrate energy generated by the heating tube on the contact surface of heat-sealing film at the same time.

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引用本文格式: 马靖,魏上云,胡晓兵,罗庆怡. 套袋机热封刀拓扑分析及结构优化[J]. 四川大学学报: 自然科学版, 2022, 59: 033002.

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历史
  • 收稿日期:2021-12-06
  • 最后修改日期:2022-01-24
  • 录用日期:2022-01-27
  • 在线发布日期: 2022-05-30
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