三维编织机携纱器运动仿真分析与实验研究

针对旋转式三维编织机携纱器运动研究方面存在的不足,对旋转式三维编织机进行了动力学研究,通过Solid Works软件建立了旋转式三维编织机简化后的三维模型,然后导入ADAMS中,对简化后的模型添加了运动副以及驱动,设置了合理的仿真参数并进行了动力学仿真分析;通过改变轨道半径以及角导轮的角速度,得到了不同轨道半径下、不同角速度下携纱器的速度变化规律;并通过实验研究验证了仿真分析的正确性。研究结果表明,携纱器的速度曲线存在周期性,周期与角速度的乘积近似为2π;在过渡处速度达到峰值,存在较大接触冲击;结果可为后续的旋转式三维编织机轨道优化打下基础。

Motion simulation and experiment of yarn carrier in three-dimensional braiding machine

Aiming at the deficiency of the research on the motion of the yarn carrier of the rotary three-dimensional braiding machine,the dynamic study of the rotary three-dimensional braiding machine was carried out,the simplified three dimensional model of the three-dimensional braiding machine was established by the software of SolidWorks,and then which was imported into ADAMS.The kinematic pair and the drive were added to the simplified model,the reasonable simulation parameters were set,and the dynamic simulation analysis was carried out.By means of changing the radius of the track and the angular velocity of the angle guide wheel,the regularity of velocity of the yarn carrier was obtained under different radius of the orbit or different angular velocity.And the correctness of the simulation analysis was verified through the experiment study.The results indicate that the velocity curve of yarn carrier has a periodicity,the product of the period and the angular velocity is approximately 2π.At the transition,the velocity reaches the peak,and there is a large contact impact,which lays the foundation for the follow-up orbit optimization of the rotary three-dimensional braiding machine.