何孔成毕业设计正文(定稿版)

摘要

洗衣机作为三大白家电之一，为使用者提供“价廉物美”的洗衣机产品成为不同企业共同经营理念，不断创新自己产品的卖点，扩大产品的市场占有额，成为企业的追求目标。为此，开展洗衣机的深入研究具有十分重要的理论价值和实践意义。本课题主要针对洗衣机的控制板座开展研究分析。

洗衣机的控制板座是其重要的组成部分，它制约着洗衣机的精益制造，对整个洗衣机的深入研究具有重要意义，针对洗衣机的控制板座的结构设计和制造过程分析，本文所做的主要工作为：

1、通过对整个洗衣机的拆解分析和完整的装配工艺卡片的分析，掌握了控制板座的功能及其工作原理，掌握了与其相关的装配工艺过程，明确了整个分析研究的思路。

2、研究控制板座的不同结构方案，详细设计控制板座的轮廓结构和尺寸、连部分的结构和尺寸以及其他部分的结构和尺寸等，完成控制板座的整体设计，借助AutoCAD 和Pro-E软件绘制了详尽的二维和三维图纸。

3、为了进一步验证产品设计的工艺性，研究了控制板座材料的选择，模具设计的要点，通过Moldflow 6.1软件分析结构设计合理性，并进行改进，最终制定详细的控制板座的工艺卡。

洗衣机控制板座的结构设计及其优化改进为洗衣机制造业提供了良好范例，为该型号洗衣机产品提升市场竞争力。

关键词：洗衣机；控制板座；结构与尺寸；工艺性；流动分析。

The design and manufacturing of the control panel shelf component in

a washing machine家电控制板

Abstract

The washing machine as one of the three big white goods and washing products which provides the cheapest and best for the users. The goal of different enterprises is to continuously innovate their products and expand their market shares. To do this, to carry out in-depth research of the washing machine it has a very important theoretical value and practical significance. The main work of this paper is the design and manufacturing of the control panel shelf component in a washing machine.

The control panel shelf is an important part of the washing machine, it restricts the lean manufacturing of washing machine. It has an important significance to the further research of washing machine. We focus on the structure design and optimization of the control panel shelf comp

onent in a machine. The main work can be stated as follows:

1, Through analyzing the disassembly process and the assembly process of washing machine, we grasp the function and working principle of the control panel shelf component, then we master the assembly process, and clear the entire of the analysis research.

2, Through studying the different structural schemes of the control panel shelf component and the detailed design of its outline structure and exact size, we finish designing the control panel shelf component. At last, we draw a detailed 2D and 3D drawings by means of AutoCAD, PRO/E software.

3, In order to further verify the technological efficiency of product design, we research the selection of the material of drainage tube and the elements of the injection mould, and analyze the rationality of the structural by Moldflow software. Lastly, we improve it, and make a set detailed the process card of the drainage tube.

The structure design and optimization of the control panel shelf component provides a good example for the washing machine manufacturing industry and enhances the marketing competitiveness of these products.

Keywords: Washing machine；Control panel seat；Structure and size；Craft；Current analysis.

插图清单..................................................................................................................................................... V 表格清单................................................................................................................................................... V II 引言 ........................................................................................................................................................... - 1 - 第1章绪论 ........................................................................................................................................... - 2 - 1.1 洗衣机历史发展 ............................................................................................................ - 2 -1.2洗衣机的分类 ................................................................................................................ - 2 -1.3 洗衣机的发展前景 ........................................................................................................ - 3 -1.4 本课题的研究形状和发展趋势 .................................................................................... - 4 -1.5 章节安排 ........................................................................................................................ - 6 -第2章洗衣机控制板座组件的功能分析 .................................................................................... - 8 - 2.1控制板座的功能 ............................................................................................................ - 8 -2.2控制板座与洗衣机相关零部件的联系及装配 ............................................................ - 8 -

2.2.1控制板座与控制板的联系 ..................................................................................................... - 8 -

2.2.2控制板座与脱水盖板的联系................................................................................................ - 10 -

2.2.3控制板座与连体桶的联系 ................................................................................................... - 12 -

2.2.4控制板座与其他零部件的联系............................................................................................ - 13 -

2.2.5控制板座在洗衣机上的装配工艺........................................................................................ - 14 - 第3章洗衣机控制板座组件的结构设计 .................................................................................. - 18 -

3.1控制板对控制板座的结构要求 .................................................................................. - 18 -3.2脱水盖板对控制板座的结构要求 .............................................................................. - 19 -3.3连体桶对控制板座的结构要求 .................................................................................. - 22 -3.4其他零部件对控制板座的结构要求 .......................................................................... - 25 -3.5控制板座安装的结构要求 .......................................................................................... - 27 -第4章洗衣机控制板座的制造过程分析 .................................................................................. - 31 -

4.1控制板座模具设计要点 .............................................................................................. - 31 -4.2控制板座对材料的要求及如何实现 ........................................................................... - 32 -

4.2.1控制板座对材料的要求 ....................................................................................................... - 32 -

4.2.2如何实现对材料的要求 ....................................................................................................... - 32 - 4.3 Moldflow软件分析控制板座注塑过程性能 .............................................................. - 33 -

4.3.1 划分网格、............................................................................................................................ - 33 -

4.3.2确定最佳进浇位置 ............................................................................................................... - 35 -

4.3.3选择分析类型 ....................................................................................................................... - 36 -

4.3.4立即分析 ............................................................................................................................... - 37 -

4.3.5屏幕输出结果 ....................................................................................................................... - 37 -

4.3.6主要的流动分析结果 ........................................................................................................... - 40 - 4.4 洗衣机控制板座工艺卡片拟制 .................................................................................. - 48 -结论与展望 ........................................................................................................................................... - 50 - 致谢 ......................................................................................................................................................... - 51 -

参考文献................................................................................................................................................ -

52 - 附录A 外文文献及译文.................................................................................................................... - 53 - 附录B 主要参考文献题录及摘要 ................................................................................................. - 63 - 附录C 注塑工艺卡片......................................................................................................................另附

插图清单

图1- 1章节框架图 ..................................................................................................................... - 7 - 图2- 1控制板形状及功能开关分布...................................................................................... - 9 - 图2- 2控制板内部结构形状 ................................................................................................... - 9 - 图2- 3安全开关及导线安装 ................................................................................................. - 10 - 图2- 4脱水盖板和控制板座的关系.................................................................................... - 11 - 图2- 5连体桶和控制板座的位置关系............................................................................... - 12 - 图2- 6 控制板座穿线孔形状和位置.................................................................................... - 13 - 图2- 7分流器 ............................................................................................................................ - 14 - 图2- 8控制板座的安装 .......................................................................................................... - 15 - 图2- 9控制板座的固定 .......................................................................................................... - 16 - 图2- 10洗衣机控制板座等正确安装 ................................................................................. - 17 - 图3- 1控制板结构与尺寸............

.......................................................................................... - 18 - 图3- 2控制板座底座二维图 ................................................................................................. - 18 - 图3- 3控制板座底座三维图 ................................................................................................. - 19 - 图3- 4控制板座支柱局部视图............................................................................................. - 20 - 图3- 5控制板座支柱的尺寸形状 ........................................................................................ - 20 - 图3- 6支柱在控制板座上的分布 ........................................................................................ - 21 - 图3- 7穿线孔局部图............................................................................................................... - 22 - 图3- 8控制板座支柱的三维图............................................................................................. - 22 - 图3- 9控制板座在连体桶安装结构二维图...................................................................... - 23 - 图3- 10控制板座在连体桶安装结构三维图.................................................................... - 24 - 图3- 11注水选择结构三维图............................................................................................... - 25 - 图3- 12注水选择结构二维图............................................................................................... - 26 - 图3- 13控制板座安装结构三维图...................................................................................... - 27 - 图3- 14控制板座安装结构二维图...................................................................................... - 28 - 图3- 15分流器安装结构二维图 .......................................................................................... - 29 - 图3- 16分流器安装结构三维图 .......................................................................................... - 29 - 图3- 17控制板座三维图······································································- 30 - 图4- 1“生成网格”对话框··························

············································- 34 -图4- 2案例浏览区···············································································- 34 - 图4- 3划分网格后的模型图 ................................................................................................. - 34 - 图4- 4“浇口位置”参数设置............................................................................................. - 35 - 图4- 5最佳浇口位置结果显示............................................................................................. - 36 - 图4- 6注射位置........................................................................................................................ - 36 - 图4- 7网格信息........................................................................................................................ - 37 - 图4- 8填充时间........................................................................................................................ - 40 - 图4- 9速度/压力切换时的压力 .......................................................................................... - 41 - 图4- 10流动前沿处的温度..................................................................................................... - 42 - 图4- 11剪切速率、体积 ........................................................................................................ - 42 - 图4- 12壁上剪切应力............................................................................................................. - 43 - 图4- 13 体积温度...................................................................................................................... - 44 -

图4- 14注射位置处压力：XY图 ......................................................................................... - 44 - 图4- 15冷凝层因子 ................................................................................................................. - 45 - 图4- 16气穴............................................................................................................................... - 46 - 图4- 17体

积收缩率 ................................................................................................................. - 46 - 图4- 18缩痕系数...................................................................................................................... - 47 -

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