1、 I 毕毕 业业 设设 计(论计(论 文)文) 题目题目 变速箱壳体孔系加工专用机床设计(左主轴箱)变速箱壳体孔系加工专用机床设计(左主轴箱) 2014 年年 6 月月 5 日日 II 变速箱壳体孔系加工专用机床设计(左主轴箱)变速箱壳体孔系加工专用机床设计(左主轴箱) 摘摘 要要 组合机床是一种专用高效自动化技术装备,因而被广泛应用于汽车、拖拉机、 内燃机和压缩机等许多工业生产领域。本次设计的是钻变速箱体左端面孔组合机 床,主要完成组合机床的多轴箱设计。通过分析比较,确定了选用卧式单工位组 合机床以加工零件左端面孔系;为确保加工精度,采用一面两销的定位方式;为 实现无极调速,安全可靠,选择液
2、压组合滑台;根据零件的大小及被加工孔位置 确定主轴箱的轮廓尺寸;通过计算确定主轴和传动轴的直径;齿轮模数是通过类 比法确定;齿轮齿数和中间传动轴的位置是由计算、作图和多次试凑相结合的办 法确定;计算主轴、传动轴的坐标并进行中心距的验算,确定部分轴上采用变位 齿轮;轴上的齿轮套、键等零件按轴号选择相应的标准件。 关键词:组合机床;多轴箱;主轴;传动轴;齿轮 III Abstract Combination machine tools is a kind of special high automation technology and equipment, and therefore is wi
3、dely used in automobiles, tractors, internal combustion engines and compressors many industrial production field. This design is to drill the left side face of gear case combination machine tools, the main spindle box of modular machine tool design. Through analysis and comparison, to determine the
4、selection of horizontal simplex bit left side face of combination machine tools for machining parts is; In order to ensure the machining accuracy, using a two pin positioning way; In order to achieve the infinite speed, safe and reliable, choose hydraulic combination sliding table; According to the size of the parts and processed hole location to determine the outline of the spindle box size; Through the calculate and determine the main shaft and the diameter of the shaft; Gear modulus is d