近恒力输出的锻造操作机夹持装置研究

为充分发挥锻造操作机的夹持能力，有效分析操作机夹持装置的结构特点，通过研究操作机夹持轴类零件和饼环类零件的典型应用工况，分析钳口销轴中心距对操作机所需夹持力的影响和操作机夹持装置应满足的条件，明确了操作机夹持装置近恒力输出的必要性。综合考虑夹持装置对操作机其他部件的影响，确定了夹持装置的整体结构。根据夹持装置的结构特点，研究夹持装置的传力比，分析夹持装置的关键参数和确定方法，阐述近恒力输出夹持装置的设计思路。根据近恒力输出夹持装置的研究思路，理论计算300 kN和600 kN操作机的近恒力夹持机构，对原机构和近恒力输出机构进行比较分析，确定了研究成果的可行性，为锻造操作机夹持装置的结构设计和理论研究提供了条件。

Clamping Device Study of the Approximate Constant Force Output Forging Manipulator

To allow full clamping capability of the forging manipulator and effectively analyze the structural features of the clamping device, by studying the typical application conditions of manipulator clamping the cylinder, flan and ring parts, analyzing the influence of jaw's shaft center distance to the manipulator's clamping force and discussing the conditions of manipulator's clamping device, the necessity of manipulator's clamping device's approximate constant force output is determined. By comprehensively considering the clamping device's influence to other parts of the manipulator, the integral structure of the clamping device is determined. Based on the structural features of the clamping device, the force ratio of the device is studied, the key parameter and determination method of the device is analyzed and the design method of the approximate constant force output clamping device is elaborated. Following the study idea of the approximate constant force output clamping device, by theoretically calculating the 300 kN and 600 kN manipulator's clamping device and comparatively analyzing the original and the approximate constant force output clamping structure, the feasibility of research result is determined and the conditions of structure design and theoretical study of forging manipulator's clamping device is provided.