新型超高速包装机铝箔纸烟包推手装置建模与运动特性研究
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摘要
为对新型超高速包装机铝箔纸烟包推手装置的性能优化提供设计依据,研究了其运动特性。基于新型推手装置的解析模型,通过分析其工作原理,计算推手工作点的运动轨迹。采用多刚体动力学理论,建立该装置的仿真计算模型,求解推手工作点的运动轨迹。将运动轨迹的解析解与仿真解进行对比,二者一致性较好,验证了动力学仿真模型的正确性。应用推手装置仿真计算模型,对其位移、速度与加速度等关键运动参数进行分析,并对长臂推手进行加速度测试,将实验结果与仿真计算结果进行对比分析。结果表明:包装速度为1 000包/min时,推手装置能够准确地实现预定的运动轨迹,平稳地将烟包推送到往复模盒中。
To provide a theoretical basis for optimizing its performance, the kinematic characteristics of foil-wrapped cigarettes pusher device in the new type ultrahigh-speed packer were studied. Based on the analytical model of the pusher, the movement trajectory of its working point was calculated by analyzing its working principle. By referring to the dynamics theory of multiple-rigid body, a simulation model was established for determining the movement trajectory of its working point. The trajectory obtained by the analytical model was compared with that by the simulation model, the two agreed pretty well, it confirmed the correctness of the dynamics simulation model. The key kinematic characteristics, including displacement,velocity and acceleration of the pusher were analyzed with the simulation model. Theacceleration of long-arm pusher was tested and compared with the results of simulation calculation. It was proved that the pusher device could accurately moved along the preset trajectory and gently push foil-wrapped cigarettes into the reciprocating mandrel at the speed of1 000 packet/min.
To provide a theoretical basis for optimizing its performance, the kinematic characteristics of foil-wrapped cigarettes pusher device in the new type ultrahigh-speed packer were studied. Based on the analytical model of the pusher, the movement trajectory of its working point was calculated by analyzing its working principle. By referring to the dynamics theory of multiple-rigid body, a simulation model was established for determining the movement trajectory of its working point. The trajectory obtained by the analytical model was compared with that by the simulation model, the two agreed pretty well, it confirmed the correctness of the dynamics simulation model. The key kinematic characteristics, including displacement,velocity and acceleration of the pusher were analyzed with the simulation model. Theacceleration of long-arm pusher was tested and compared with the results of simulation calculation. It was proved that the pusher device could accurately moved along the preset trajectory and gently push foil-wrapped cigarettes into the reciprocating mandrel at the speed of1 000 packet/min.
引文
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[3]徐尚超,郭建娟,徐峰.FOCKE 700S硬盒包装机内框纸横向输送装置的改进[J].机械工程师,2014(8):276-277.
[4]郭建娟,蒋文瑛.FOCKE800硬盒包装机的机械传动分析[J].机械工程师,2012(9):106-108.
[5]黄德良,龚美华,徐峰.FOCKE FC800超高速硬盒包装机技术分析[C]//中国烟草学会2010年学术年会.合肥:中国烟草学会,2010:1-4.
[6]昌志云,张予人.YB25型软盒包装机铝箔纸烟包“2”进“3”运动的改进[J].烟草科技,2010(4):27-29.
[7]黄伟华.椭圆齿轮在烟草高速包装机中的应用研究[J].机械设计与研究,2008,24(2):97-99.
[8]丁介平,徐峰.超高速烟草包装机的推烟装置研究[J].陕西科技大学学报,2008,26(4):78-81.
[9]黄德良,任子文,史志芳.实现有速度要求轨迹的凸轮连杆组合机构设计[J].机械设计与研究,2007,23(4):32-34.
[10]田晓鸿,李龙,曹巨江.推烟包装机推手装置的解析法设计[J].包装工程,2011,32(17):76-79.
[11]Kane T R,Levinson D A.Formulation of equation of motion for complex spacecraft[J].Journal of Guidance Control and Dynamics,1980,3(2):99-112.
[12]Josephs H,Huston R L.Dynamics of mechanical systems[M].Boca Raton:CRC Press,2002.
[13]洪振嘉,刘锦阳.机械系统计算动力学与建模[M].北京:高等教育出版社,2011.
[14]李增刚.ADAMS入门详解与实例[M].北京:国防工业出版社,2010.
[15]张丙才,刘琳,高广峰,等.基于Lab VIEW的数据采集与信号处理[J].仪表技术与传感器,2007(12):74-76.