包装机凸轮连杆组合机构的动态特性分析

Dynamic Characteristic Analysis of Cam Connecting Rod Combination Mechanism

为了满足包装机的高速度、高精度和高质量的要求,多种组合形式的组合机构得到广泛应用。在高速运转的情况下,整个机构系统容易发生振动,使执行构件的运动规律满足不了设计要求。以巧克力包装机的凸轮连杆滑块组合机构为研究对象,对该组合机构动力学进行了研究,通过构件等效替代,建立了相应的动力学模型,运用达朗贝尔定理建立动力学平衡方程,并利用Matlab/Simulink软件对其动态特性进行了仿真分析,获得了相应实际加速度输出曲线。该方法为凸轮连杆组合机构设计的动态特性分析提供了一种直观的方法。

In order to meet the requirements of high-speed, high-precision and high-quality for the packaging machines, many kinds of combination mechanism has been widely used. During the high-speed operation, the mechanical system prone to vibration, this makes the motion law of executive component hard to meet the design requiremen Taking the combination mechanism in the chocolate packaging machine which is made up with the cam, the slider and the connecting rod as the study object, it studies the dynamics of the mechanism Firstly, it set up the kinetic model corresponding to the mechanism by means of equivalent substitution, and established the dynamic equilibrium equation with the D＇Alembert theorer Then it simulated the dynamic characteristics with the Matlab/Simulink software and made access to the corresponding output curve of the actual acceleration, h provides an intuitive way to the dynamic characteristics analysis of the cam connecting rod mechanism