斗笠式刀库及换刀装置设计+文献综述
斗笠式刀库由刀库横移装置、分度选刀装置以及主轴上的刀具自动装卸机构组成。横移装置保证了刀库从起始位置运动到换刀点换刀；分度装置起到了刀序的转位分度作用。换刀装置的工作质量直接影响整台数控机床尤其是加工中心的质量水平。换刀装置的工作质量主要表现为换刀时间和故障发生率。在选定合理的刀库容量时，通常是以满足典型零件在一次安装中所需刀具数量来确定的。
关键词: 刀库；换刀装置；横移装置；分度盘；刀盘
Design of bamboo hat type knife and tool change device
Abstract: The small machining center provides automatic processing method for the one-piece and small batch production of sophisticated parts. According to the task of content, in order to meet the original conditions and data and technical requirements, configuring a CNC machining center‘s bamboo hat type knife for the tool change device in a CNC vertical machining center given. Complete the Calculation and design of bamboo hat type knife and the choice of standard parts related.
The bamboo hat type knife is traversed by the magazine device, the indexing tool selection device and the tool in the spindle automatic loading and unloading institutions. The traversing device ensures the knife moves from the starting position to the point and then changes the knife; piding device plays a role in the indexing tool sequence. Quality of tool change device directly influences the whole of CNC machine tools, especially the quality level of machining center. The quality of work knife changing device mainly influences the time of tool change and the rate of occurrence of failures. When choose the reasonable tool storage, usually determine by meeting the number of required tools that typical parts in an installation needs.
Keywords: knife; tool change device; the traversing device; the indexing disc cutter;
目 录
1绪论 1
1.1 数控机床概述 1
1.1.1 数控技术的概念 1
1.1.2 数控机床的特点和应用范围 1
1.1.3 数控机床的组成 2
1.1.4 数控机床的发展趋势 2
2加工中心自动换刀装置 3
2.1 加工中心概述 3
2.2 刀库及自动换刀装置 3
2.2.1 机载刀库的类型 3
2.2.2 刀库按其形状的分类 3
2.2.3 换刀方式 4
2.2.4 刀具选择 4
2.2.5 刀库控制系统 5
3总体方案： 6
3.1 斗笠式刀库的组成及工作原理 6
3.1.1 刀库的横移装置 6
3.1.2刀库分度装置 6
3.2 刀库的换刀方式 8
3.3 刀库参数 9
4刀库设计 10
4.1自动换刀装置与刀库容量的选择及刀柄的配置 10
4.1.1 自动换刀装置与刀库容量的选择 10
4.1.2刀柄的配置 10
4.2 气缸设计和选择 11
4.2.1 气缸的选择要点 11
4.2.2 气缸初选 11
4.2.3 驱动力校核 12
4.2.4 活塞杆稳定性校核 12
4.2.5 缸筒壁厚计算 13
4.2.6 耗气量及刀库横移运动时间的计算 13
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