摘 要

CA6140型车床广泛应用于各类机械加工工业中，其中CA6140型车床溜板箱的主要功能是把进给箱传递来的运动传给刀架, 使刀架实现纵横向进给、纵向进给、快速移动以及车削螺纹。溜板箱是将丝杆和光杆传来的螺旋运动、转动转变为溜板箱的直线运动并带动刀架进行进给，控制刀架的运动、接触、断开以及换向等功能。当机床过载时，能使刀架自动停止进给，还可以手动操纵刀架移动或实现快速运动等。溜板箱固定在鞍座上，并悬挂在床身的前面。它包括齿轮、离合器及手动和自动进给用的床鞍用的手柄。溜板箱有一个小齿轮，而小齿轮又与床身前下面的齿条相齿合，可用手动溜板箱手轮，使床鞍纵向移动。溜板箱包括自动进给的双向离合器和超越离合器，双向离合器在调节手动、自动进给时使用，超越离合器与按原离合器共同起保护起床在过载时使刀架自动停止进给的作用。

关键词：CA6140型车床 溜板箱 超越离合器 双向离合器

ABSTRACT

CA6140 lathe widely used in various mechanical processing industry, which CA6140 lathe apron's main function is to feed me messages of motion to the holder, the blade base to achieve vertical and horizontal feed, vertical feed, fast-moving and threading. Apron is a screw and rod came spiral motion, the rotation into linear motion and apron were driven turret feed, control turret movement, touch, disconnect and commutation functions. When the machine overload, can automatically stop feeding turret can also be manually operated turret movement or fast movement and so on. Apron fixed to the saddle, and hung in front of the bed. It includes gears, clutch and manual and automatic feed saddle used by the handle. Apron with a small gear, and the pinion gear and the rack before bed following phase teeth together, either manually apron hand wheel, so that longitudinal movement of the saddle. Apron including automatic feeding of the bidirectional clutch and overrunning clutch, clutch two-way manually adjustable, automatic feed use, the clutch and the original clutch get together for protection when overloaded so the home automatically stop feeding effect.

Key words:CA6140 lathe Apron Overrunning clutch Bidirectional clutch

目 录

第一章 CA6140型车床概述··················································1 1.1 车床的历史及发展······················································1 1.2 CA6140型车床型号编制方法·············································1 1.3 CA6140车床重要组成部分···············································3 第二章 CA6140型车床溜板箱的组成·········································5 2.1 CA6140型车床溜板箱概述···············································5 2.2滚柱式单向超越离合器的受力和运动分析································6 2.3 齿式双向离合器·························································7 2.4 齿轮与齿条·····························································8 2.5 蜗轮蜗杆······························································10 2.6 开合螺母机构··························································11 2.7 互锁机构······························································11 第三章 CA6140型车床溜板箱传动路线及强度校核··························13 3.1 CA6140型车床溜板箱传动路线·········································13 3.2 CA6140型车床溜板箱操纵机构·········································14 第四章 CA6140型车床溜板箱运动典型故障分析····························16 4.1 溜板箱故障的形成····················································16 4.2 溜板箱故障分析························································16 4.3 溜板箱故障的解决方法与维护··········································17 谢辞········································································18 参考文献···································································19