BT40X16斗笠式刀库的研究与设计_毕业设计说明书

毕业设计说明书

设计题目：BT40X16斗笠式刀库的研究与设计

摘要

90年代以来，数控加工技术得到迅速的普及及发展，高速加工中心作为新时代数控机床的代表，已在机床领域广泛使用。自动换刀刀库的发展俨然已超越其为数控加工中心配套的角色，在其特有的技术领域中发展出符合机床高精度、高效率、高可靠度及多任务复合等概念的独特产品。刀库作为加工中心最重要的部分之一，它的发展也直接决定了加工中心的发展。

斗笠式刀库一般只能存16~24把刀具，斗笠式刀库在换刀时整个刀库向主轴移动。当主轴上的刀具进入刀库的卡槽时，主轴向上移动脱离刀具，这时刀库转动。当要换的刀具对正主轴正下方时主轴下移，使刀具进入主轴锥孔内，夹紧刀具后，刀库退回原来的位置。

关键词：数控加工中心，斗笠式刀库

ABSTRACT

Since the 1990s, CNC machining technology made the rapid and universal development, as a new era of the representatives of NC machine tools, High-speed processing center has been widely used in the field of machine tools. The development of automatic Tool Change,s tool house in recent years seems to have gone beyond the NC Center for supporting the role of technology in their unique areas of development to meet the high-precision machine tools, high efficiency and reliability, and more complex tasks, such as the concept of unique products . The tool house as a processing center one of the most important part, it has a direct bearing on the development of the processing center's development.

Rain hat type knife library normally only save 16 to 24 knife sword rain hat type, change cutters in the library in the sword to the spindle mobile library. Rain hat type knife library normally only save 16 to 24 knife sword rain hat type, change cutters in the library in the sword to the spindle mobile when spindle library on the library card slot cutter into the knife, spindle, when moving upwards from cutter knife library rotation. When to change tool to align the spindle, when spindle moves directly into the spindle cone hole cutter, clamping tool, return the original position knife library.

Keywords: CNC processing center, rain hat type knife library

摘要..................................................................................................................................................... I 1绪论.. (3)

1.1 数控机床概述 (3)

1.1.1 数控机床的概念 (3)

1.1.2 数控机床的组成 (3)

1.1.3 数控机床的工作原理 (3)

1.1.4 数控机床的特点 (3)

1.1.5 数控机床的发展 (3)

1.2 数控铣床分类 (4)

1.2.1 数控立式铣床 (4)

1.2.2 数控卧式铣床 (4)

1.2.3 万能数控铣床 (4)

1.2.4 龙门式数控铣床 (4)

1.3 数控铣床的功能及加工对象 (4)

1.4 加工中心知识 (5)

1.5 自动换刀装置与刀库 (5)

1.5.1 自动换刀装置 (5)

1.5.2 刀库类型 (6)

1.6 本章小结 (8)

2 总体方案 (9)

2.1 数控立式升降台铣床的组成及主要技术参数 (9)

2.2 可能的方案比较及最终选择方案 (10)

2.3 斗笠式刀库结构组成及工作原理 (11)

刀库横移装置的设计： (11)

2.5 本章小结 (12)

3 斗笠式刀库设计 (13)

3.1 刀库容量的确定 (13)

3.2 气缸设计和选择 (14)

3.2.1 气缸的选择要点 (14)

3.2.2 气缸初选 (14)

3.2.3 驱动力校核 (14)

3.2.4 活塞杆稳定性校核 (15)

3.2.5 缸筒壁厚计算 (16)

3.2.6 耗气量及刀库横移运动时间的计算 (16)

3.3刀库驱动转矩的估算 (17)

3.3.1 刀库分度机构的传动设计及计算 (17)

3.3.2 旋转部件转动惯量计算 (18)

3.3.3 刀库驱动转矩计算 (19)

3.4减速电动机的选择 (19)

3.5 刀库驱动转矩的校核 (19)

3.6 换刀过程总时间的计算与校核 (20)

3.7 刀具的选择方式 (20)

3.8 刀具交换装置的选择 (21)

3.9 电气元件的选择 (22)