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徐州工程学院毕业设计(论文)摘要组合机床是根据工件加工需要，以大量通用部件为基础，配以少量专用部件组成的工序集中的一种高效专用机床。而且其生产效率高，加工精度稳定，自动化程度高，使工人劳动强度降低。本次设计的是一台加工“汽车制动室支架”的组合钻床，主要用来一次性加工完成汽车制动室支架的二个零件,共计10个孔，一次安装两个工件，左主轴箱钻4孔，右主轴箱钻6孔，我负责设计的是右主轴箱和中间底座的设计。根据所加工孔的位置及速度要求，算出切削速度和主轴转速，确定右主轴箱轮廓尺寸、主轴的型式和直径。再根据驱动轴位置和转速、各主轴位置及其转速要求，合理布置传动轴的位置，把驱动轴和各主轴连接起来，使各主轴获得所需转速和转向，完成钻孔。中间底座的结构、尺寸则需要根据工件的大小、形状以及组合钻床的配置形式等来确定。由于组合钻床能够进行多工位加工，提高自动化程度，缩短加工时间和辅助时间。而且组合钻床大部分都是由通用部件组成，研制周期较短，便于设计、制造和使用维护，成本低。而且机床易于改造，产品和工艺变化时，通用部件还能重复利用，经济性较好。所以组合机床在大批量生产中的应用十分广泛。关键词：组合钻床；主轴箱；中间底座 AbstractCombination machine is based on the workpiece processing needs,take a large number of general part as the foundation, with a few of dedicated part which composes the focus on process of a efficient special machine.Moreover its production efficiency is high,machining accuracy is stable, degree of automation is high,cause the workers labor intensity to reduce.This design is a combination drilling machine of processing automobile brake room stent , mainly uses for complete two parts of automobile brake room stent which processing a one-time, the total 10 holes, one-time installs two workpieces, the left spindle box drills 4 , the right spindle box drills 6 , what I am responsible to the design of the right spindle box and the middle base .According to processes the hole the position and the speed request, calculated to cutting speed and the spindle speed ,determines the right spindle box outline of size, the spindle type and the diameter.Then according to drive shaft position and speed, various spindle position and rotational speed request, reasonable arrangement transmission shaft location, connects the drive shaft and various spindle ,causes various spindle to obtains needs the rotational speed and change direction , completes the drill hole.The middle bases structure , size has to be based on the workpiece size, the shape as well as the combination drilling machine configuration form and so on to determined.Due to the combination drilling machine carries on the multi-location processing, improves the degree of automation, reduces processing time and auxiliary time. Moreover the combination drilling machine majority is composed of general part, the development cycle is short,and is advantageous for the design, the manufacture and use maintenance, the cost is low. Moreover the machine easy to transform, when product and process changes, the general part can also the reuse,the efficiency be good.So combination of machine tools is very widespread in production in enormous quantities application.Keywords: combination drilling machine spindle box middle baseII徐州工程学院毕业设计(论文)目 录1 组合机床概述11.1 引言11.2 组合机床组成及特点11.3 组合机床的工艺范围及配置形式21.3.1 组合机床的工艺范围21.3.2 组合机床的配置形式31.4 组合机床的设计步骤51.4.1 调查研究51.4.2 总体方案设计51.4.3 技术设计61.4.4 工作设计62 组合钻床设计72.1 零件分析72.2 组合钻床设计的组成及设计任务72.2.1 组合钻床设计的组成72.2.2 本课题主要任务72.3 工艺方案及基准的选择82.3.1 确定组合钻床工艺方案的机本原则82.3.2 组合钻床工艺方案的一般步骤92.3.3确定切削力、切削转矩、切削功率及刀具耐用度102.4 组合钻床主轴箱概况102.4.1 组成102.4.2主轴箱的通用零件102.5 工序与计算112.5.1 加工条件112.5.2计算切削速度、主轴转速113多轴箱的设计133.1 多轴箱的基本结构和表达方法133.1.1 多轴箱的简介133.1.2多轴箱的组成133.1.3多轴箱总图绘制方法133.2 多轴箱通用零件133.2.1 通用箱体类零件143.2.2 通用主轴143.2.3 通用传动轴143.2.4 通用齿轮和套143.3通用多轴箱的设计分析153.3.1 绘制多轴箱设计原始依据图153.3.2 确定多轴箱轮廓尺寸163.3.3 主轴型式和直径的确定163.3.4主轴箱所需进给力计算183.3.5 主轴箱所需功率计算183.3.6 动力部件193.3.7多轴箱传动设计193.3.8 计算传动轴的坐标233.3.9 润滑油泵和手柄轴的安置244 中间底座的设计264.1 引言264.2 中