机械5

CK3263B数控车床转塔刀架的设计 摘要 针对CK3263B数控车床的转塔刀架进行三维设计。主要设计部分有：传动系统，回转机构和定位机构。其中，传动系统选择液压传动，并进行了原理图等一系列设计；回转机构选定圆柱凸轮分度机构，并进行了详细设计校核；定位机构选择活塞杆预定位和齿盘精准定位。 利用UG软件进行各个零件的三维建模，并进行装配组装，导出二维图纸。转塔刀架系统在装夹过程中可以同时完成诸多工序，扩展了加工工序的范畴，不仅加快了生产效率而且大幅度改善了加工精度。 关键字：转塔刀架；液压系统；凸轮；UG Abstract I
n this paper,three-dime
nsio
nal desig
n of turret turret for CK3263B CNC lathe is carried out.The mai
n desig
n parts i
nclude:tra
nsmissio
n system,rotary mecha
nism a
nd positio
ni
ng mecha
nism.Amo
ng them,the tra
nsmissio
n system to select the hydraulic drive,a
nd a series of schematics a
nd other desig
n;rotary mecha
nism selected cyli
ndrical cam i
ndexi
ng mecha
nism,a
nd carried out a detailed desig
n check; positio
ni
ng mecha
nism to select the pisto
n rod pre-positio
ni
ng a
nd precisio
n positio
ni
ng of the tooth plate. The modeli
ng of each part of the turret a
nd its assembly are established via UG software.The tooli
ng system i
n the clampi
ng process ca
n be completed a
number of processes at the same time,expa
ndi
ng the scope of processi
ng processes,which
not o
nly speed up the productio
n efficie
ncy but also sig
nifica
ntly improve the processi
ng accuracy. Keywords：turret turret；Hydraulic system；cam；UG 目录 摘要...................................................................................................................... Ⅰ Abstract........................................................................................................................ Ⅱ 1绪论1 1.1车床概述1 1.1.1机床的基本组成1 1.1.2机床的分类1 1.1.3车床作用及分类4 1.1.4车床组成5 1.2转塔车床概述6 1.2.1转塔车床的组成及特点6 1.2.2转塔刀架的现状及发展趋势7 2总体方案设计9 2.1传动系统方案选择9 2.1.1各传动方式比较9 2.1.2液压传动优点10 2.2运动机构方案选择11 2.2.1回转机构选择11 2.2.2定位机构选择11 2.3转塔刀架结构简图12 3液压系统设计13 3.1拟定原理图13 3.2液压缸设计14 3.3液压元件选择14 4结构设计17 4.1回转机构设计计算17 4.2定位机构设计19 5主要设计计算及校核21 5.1转塔夹紧力的计算21 5.2油缸尺寸计算23 5.3柱销强度校核24 6三维建模31 6.1软件介绍31 6.1.1UG简介31 6.1.2UG优势31 6.1.3UG主要功能31 6.2主要零部件建模33 6.2.1圆柱凸轮33 6.2.2花键轴35 6.2.3上下齿盘37 6.2.4轴承38 6.3总装配图40 7结论42 参考文献43 附录1：外文翻译44 附录2：外文原文50 致谢55