凸轮机构从动件的运动一般均为往复运动,文中提出一种新型的凸轮—滑块摇杆组合机构,可实现将匀速旋转输入运动转变为同轴的变速旋转输出运动,其结构紧凑,适合在空间有限的机械中应用,并推导了机构运动学数学模型及凸轮廓线设计方法,最后以纺机上的应用加以说明。 In this paper, a new type of cam-slider rocker combination mechanism is proposed in this paper, which can transform the uniform rotation input motion into a coaxial variable-speed rotation output motion, which is compact in structure and suitable for the reciprocating motion of the cam follower. It is applied in the machine with limited space, and the mathematical model of the kinematics of the mechanism and the design method of the profile of the cam are deduced. Finally, the application on the spinning machine is illustrated.