旋盖机的总体结构设计说明书

摘要

本文报告了润滑油小包装生产线及旋盖机的概况，针对旋盖机其中的一些缺陷作出改良设计。确定了旋盖机的重要设计参数，介绍了旋盖机构件材料的选择，并对其进行了论证。对旋盖机的总体结构设计作了简要的介绍，并着重对旋盖头的结构设计作深入的研究。介绍了旋盖力矩的计算工作原理、工作流程及总体结构设计。控制系统则采用PLC自动控制，并且按照旋盖机工作流程编写了半自动控制程序。

关键词:旋盖机；设计参数；构件；结构；计算；控制系统

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茂名学院本科毕业设计：某润滑油小包装生产线旋盖机机械及控制系统设计

Abstract

Report the lubricant small packaging production line and capping machine, according to some of capping machines make improvement design flaws. Determine the capping machine design parameters, and introduces the mechanism parts capping material selection, and analyses the argument. On the overall structure of machine design makes a brief introduction to spin, and emphasizes the structure design for covering. Introduces the calculation of moment capping working principle and working process and structural design. Control system adopts PLC automatic control and capping machines working process according to write the semi-automatic control procedures.

Keywords：capping machine；Design parameters；Component, Structure；Calculation；The control system

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目录

摘要 ................................................................................................................................................................ 1 Abstract ......................................................................................................................................................... 2 第1章 绪论 .................................................................................................................................................. 5

1.1、润滑油小包装生产线概况 ........................................................................................................... 5 1.2、本次论文的设计任务、设计思想及设计特点 ........................................................................... 5

1.2.1、设计任务 ............................................................................................................ 5 1.2.2、设计思想 ............................................................................................................ 5 1.2.3、设计特点 ............................................................................................................ 6

1.3、旋盖机现况及所设计的旋盖机在整个生产线中的作用 ........................................................... 6

1.3.1、旋盖机的现况 .................................................................................................... 6 1.3.2、所设计的旋盖机在整个生产线中的作用 ........................................................ 6

1.4、小结 ............................................................................................................................................... 7 第2章 重要参数的确定与论证 .................................................................................................................. 7

2.1、重要参数的确定 ........................................................................................................................... 7 2.2、重要参数的论证 ........................................................................................................................... 8

2.2.1、产品设计要求： ................................................................................................ 8 2.2.2、参数的论证 ........................................................................................................ 8

2.3、小结 ............................................................................................................................................... 9 第3章 构件材料的选择及论证 ................................................................................................................ 10

3.1、旋盖机的组成 ............................................................................................................................. 10 3.2、旋盖电机 ..................................................................................................................................... 10

3.2.1、旋盖电机选型： .............................................................................................. 10 3.2.2、无刷直流电机的运行原理 ............................................................................... 11 3.2.3、无刷直流电机的结构 ....................................................................................... 11 3.2.4、无刷直流电机的基本工作原理 ...................................................................... 13

3.3、气缸 ............................................................................................................................................. 14

3.3.1、气缸的工作原理、分类及安装形式 .............................................................. 14 3.3.2、气缸的技术参数 .............................................................................................. 15 3.3.3、气缸的选型及计算： ...................................................................................... 16

3.4、电源控制按钮： ......................................................................................................................... 17 3.5、传动系统 ..................................................................................................................................... 17

3.5.1、带传动种类及其选择 .................................................................................. 18 3.5.2、带传动效率 ................................................................................................... 19 3.5.3、带传动特点 ................................................................................................... 20 3.5.4、使用和维护 ................................................................................................... 20

3.6、机座设计要素： ......................................................................................................................... 20

3.6.1、机座材料 .......................................................................................................... 20 3.6.2、时效处理 .......................................................................................................... 21

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茂名学院本科毕业设计：某润滑油小包装生产线旋盖机机械及控制系统设计 3.6.3、结构设计 .......................................................................................................... 21

3.7、小结 ............................................................................................................................................. 23 第4章 旋盖机原理及结构设计 ................................................................................................................ 24

4.1、旋盖机的选择： ......................................................................................................................... 24 4.2、旋盖机原理： ............................................................................................................................. 24 4.3、旋盖机的结构设计： ................................................................................................................. 25 第5章 强度计算 ........................................................................................................................................ 27

5.1、旋盖机设计计算： ..................................................................................................................... 27 5.2、小结 ............................................................................................................................................. 29 第6章 控制系统设计 ................................................................................................................................ 30

6.1、控制要求： ................................................................................................................................. 30 6.2、控制系统的选择 ......................................................................................................................... 30

6.2.1、为何采用PLC控制 .......................................................................................... 30 6.2.2、控制继电器存在的缺点 .................................................................................. 30 6.2.3、固体继电器的缺点 .......................................................................................... 31 6.2.4、可编程序控制器的优势、特点及功能 .......................................................... 31 6.2.5、PLC与继电器控制两种控制方法的不同之处 （1）控制方式： ................ 32 6.2.6、PLC如何选型 ................................................................................................... 33 6.2.7、输入输出（I/O）点数的估算 ........................................................................ 34 6.2.8、机型的选择 ...................................................................................................... 34

6.3、控制系统的硬件构成： ............................................................................................................. 34 6.4、旋盖机控制系统设计 ................................................................................................................. 35

6.4.1、旋盖机PLC控制接线图： .............................................................................. 35 6.4.2、旋盖机步进梯形图： ...................................................................................... 35

6.5、控制过程分析： ......................................................................................................................... 37 6.6、小结 ............................................................................................................................................. 38 结束语 .......................................................................................................................................................... 39 致谢 .............................................................................................................................................................. 40 参考文献 ...................................................................................................................................................... 41 附录： .......................................................................................................................................................... 42

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