缸体双面扩孔精加工及上下料系统设计

Design of cylinder double-sided reaming finishing and feeding and unloading system

主要研究了缸体双面扩孔精加工及上下料系统的机械结构特点,分析设计了产品系统的总体方案,内容包括机床尺寸联系图、工件加工示意图、工件加工工序图、机床生产效率卡、自动上下料实现方案等。计算了系统关键运动部分的主要运动参数和动力参数,在此基础上分别细化完成了专用夹具结构分析设计、加工的主运动和进给运动的传动装置功能分析和结构设计、工件运送及自动上下料功能分析和结构设计等,重点解决了工件在加工、运送、上下料等过程中的精确定位等难点问题。另外,借助Solidworks工程软件实现了产品系统的三维建模和某关键零件的应力应变分析,为关键零件的结构优化设计提供有效依据。

The paper mainly studies the mechanical structure characteristics of the cylinder double-sided reaming finishing and loading and unloading system,and analyzes and designs the overall scheme of the product system,including the machine size relationship drawing,machining process schematic drawing,workpiece processing drawing,machine tool production efficiency card,automatic loading and unloading design plan,etc.The main motion parameters and dynamic parameters of the key motion parts of the system are calculated.On this basis,the detailed analysis and design of the transmission and the structural design,workpiece transport and automatic of the main motion and feed motion of the fixture structure are completed.The function analysis and structural design of the loading and unloading,etc.,focus on solving the difficult problems such as precise positioning of the workpiece during processing,transportation,loading and unloading,etc.In addition,with Solidworks engineering software,the 3D modeling of the product system and the stress and strain analysis of a key part are realized,which provides an effective basis for the structural optimization design of key parts.