【摘要】 分析了将混合驱动凸轮连杆机构应用于机械压力机的意义,提出了一种混合驱动凸轮连杆机械式压力机的机构构型,分析了其运动原理。运用复数矢量法对该混合输入机构进行逆运动学分析,求解出伺服电机满足加工工艺要求时的实际运转情况,通过求得的伺服电机转角函数控制滑块运动。最后给出了一个设计实例,以实现滑块余弦运动规律,并在Pro/Mechanism模块中对该机构进行了运动仿真。研究表明:这种新型混合输入式机械压力机可以实现多种运动规律,从而满足多种冲压加工工艺对零件变形过程中速度变化特性的要求。更多还原

【Abstract】 The significance of mechanical press applying the hybrid cam-linkage mechanism was analyzed and a mechanism configuration of the hybrid cam-linkage mechanism press was proposed.The motion principle was analyzed.A design example generating cosine motion specification was given.Its motion simulation was done by Pro/Mechanism.The results show that the new hybrid mechanical press can realize multiple motion rules and be satisfied with the requests of many stamping processes from slider velocity change characteristics.更多还原