螺杆泵式点胶系统动态特性分析与试验研究  

Dynamics Analysis of Screw-Driving Dispensing System

作　　者：张玉宝[1] 刘淑珍 赵志龙 Zhang Yubao;Liu Shuzhen;Zhao Zhilong(School of Information Media,Zhejiang Textile&Fashion College,Ningbo 315016,China;InternationalExchange College,Ningbo University of Technology,Ningbo 315201,China)

机构地区：[1]浙江纺织服装职业技术学院信息媒体学院,浙江宁波315211 [2]宁波工程学院国际交流学院,浙江宁波315201

出　　处：《华东交通大学学报》2020年第1期127-131,共5页Journal of East China Jiaotong University

基　　金：浙江省自然基金资助项目（LQ13E050005)

摘　　要：螺杆泵式点胶系统具有精度高、胶液应用范围广等优点。根据螺杆式点胶系统流速动态模型,应用Matlab Simulink软件分析了开机时间、胶液体积弹性模量、流体动态特性对胶液流速动态特性的影响。结果表明:随着开机时间的延长,系统趋于稳态,动态特性度流量的影响逐渐减小;胶液可压缩性越强,非牛顿系数越大,流速瞬态响应越慢。实验结果表明,面积计算法可以用于预测点胶量,预测误差小于5%。Screw-driving dispensing system is widely applied with the advantages of high precision and extensive use of fluid.Based on the flow rate dynamics model of screw-driving dispensing system,the influences of operating setting time,bulk elastic modulus of fluid and index of non-newtonian fluid on the dynamics of flow rate were analyzed.It is proved that the longer the system operating time is,the more stable the system is;the stronger bulk elastic modulus and index of non-newtonian,the slower the velocity transient response.Comparing simulation results with experiment results,it is revealed that integration of the flow rate can be used to predict the volume of fluid dispensed with the error less than 5%.

关 键 词：点胶系统 动态特性 点胶量 流速 

分 类 号：TH162[机械工程—机械制造及自动化]