设计描述：

文档包括:
word说明书一份，共45页，约15000字
任务书一份
开题报告一份
外文翻译一份

CAD版本图纸，共7张

摘  要
自动数控磨床是钢材板材轧制生产线的重要配套设备，其磨削精度和磨削效率直接影响钢板的轧制质量与生产效率。它的作用是进行各种性质不同的钢材板材磨削，主要应用于钢材、铝箔和造纸行业等。然而其在磨削工作辊的过程中，两端的轴承箱体会与砂轮架发生干涉，而频繁的装卸轴承箱体则会使加工过程变得繁琐，因此设计了翻箱机构，将工件翻转90度。设计翻箱机构，包括翻箱机构的工作原理、机床各部件的组成、其操作要求和方法以及翻箱机构技术要求进行了概述，并详细设计了MKZ84125轧辊磨床的翻箱机构，其中包括法案的选择，电机的确定以及蜗轮蜗杆与各个轴以及齿轮的选择并画出了机床总装图，翻箱机构总装配图以及部分重要零件的部件图。其设计过程主要特点是采用三相异步电动机带动蜗轮蜗杆以及齿轮传动，以达到将工件翻转90度的效果，方便磨床加工。翻箱机构结构简单紧凑，操作简单，维护方便，翻转工件效率高。
 
关键词:翻箱机构；三相异步电动机；蜗轮蜗杆；齿轮传动

Abstract
The automatic CNC grinding machine is an important corollary equipment which rolls production line by steel and sheet metals. Its grinding accuracy and efficiency directly affect the quality of steel rolling and its production efficiency. Its role is to grind the various properties of steel and sheet metals, it mainly used in steel, aluminum foil, paper industry and etc. However, during the process of grinding, the bearing boxes of both sides will interfere with the wheel frame, and loading and unloading the bearing boxes frequently will make the process more complicated, so I designed the box turnover mechanism, it can let the workpiece rotate 90 degrees. Designing the box turnover mechanism, it consists of its working principle, the composition of each part of machine tool, its operating requirements and methods and providing an overview of technical requirements of the box turnover mechanism. What’s more, I also designed the box turnover mechanism of MKZ84125 rolling grinder. It involves the choice of the Act, the determination of motors and the selection of worms, each shaft and gears. In addition, I draw the assembly chart of machine, the general assembly chart of the box turnover mechanism and the parts diagram of some important parts. The main features of designing process are adopting the three-phase asynchronous motor to drive the worms and using the two-stage gears to drive to reach the effect which let the workpiece rotate 90 degrees. It will convenient the process. The structure of the box turnover mechanism is simple and compact. It can operate simply, maintain easily and the workpiece is efficient.

Key words: box turnover mechanism; three-phase asynchronous motor; worms; stage gears

目  录
摘  要 III
ABSTRACT IV
目  录 V
1 绪论 1
1.1 立题依据 1
1.2 翻箱机构的研究现状 1
2 MKZ84125机床总体设计 4
2.1 机床的技术参数 4
2.2 机床总体布局设计 4
2.2.1 布局方案的选择 4
2.2.2 各部件的布局 5
2.3 机床各部件的方案介绍 5
2.3.1 床身 5
2.3.2 头架 6
2.3.3 尾架 6
2.3.4 砂轮主轴系统 7
2.3.5 砂轮架 7
2.3.6 供油系统 7
2.3.7 中心架 8
2.3.8 CNC测量系统 8
3 轴承箱体翻转机构设计 9
3.1 设计的基本参数 9
3.2 翻箱方案的选择 9
3.3 翻箱机构的总体设计 9
3.4 电动机的选择 10
3.4.1 选择电动机类型 10
3.4.2 选择电动机的容量 10
3.4.3 电动机转速的确定 11
3.5 总传动比和分配各级传动比的计算 12
3.6 传动装置的运动和动力参数的计算 12
3.6.1 各轴转速 12
3.6.2 各轴功率 12
3.6.3 各轴转矩 12
3.7 传动零件的设计计算 13
3.7.1 联轴器的类型的选择 13
3.7.2 蜗杆传动的设计 13
3.7.3 第一级齿轮传动的设计 16
3.7.4 第二级齿轮传动的设计 19
3.8 翻箱机构的结构设计 21
3.8.1 轴1的结构设计 21
3.8.2 轴2的结构设计 22
3.8.3 轴3的结构设计 23
3.8.4 翻箱机构其余部分的结构设计 24
4 轴的校核 26
4.1 轴1的校核 26
4.2 轴2的校核 28
4.3 轴3的校核 30
5 结论与展望 33
5.1 结论 33
5.2 不足之处及未来展望 33
致谢 34
参考文献 35