阀门模具设计及冲连接角模拟装备过程

哈尔滨工业大学华德应用技术学院毕业设计（论文）

摘 要

本模具的设计涉及了落料、浅拉伸和冲裁工艺，其内容主要包括工艺计算设计、模具设计、模拟装配等几个环节，内容完整，独立性强。此设计中阀门连接角的完成共需要两个模具：落料模具和翻边浅拉伸模具。与以往的设计相比减少了模具数量，提高了模具的复合度，减少了工艺流程，缩短了生产周期。

在机械设计中大量使用计算机辅助软件已成为当今工业发展的一个趋势，并被国内外广泛使用，其主要特点是精度高，生产周期短。本设计中借助了Auto CAD和UG制图软件，如在落料工艺计算环节中，求制件的面积和模具压力中心时借助了Auto CAD中的关于面域的功能；在模拟装配环节中则主要利用了UG制图软件，比起传统设计更加快速便捷，具有非常值得借鉴的价值。

本题目借助了丰富的相关资料，设计中严格参照国家模具设计标准，本着认真严谨的态度独立完成，以达到我校毕业设计论文的要求和学以自用的目的。

关键词 落料模；翻边浅拉伸模；模拟装配

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哈尔滨工业大学华德应用技术学院毕业设计（论文）

Abstract

The mold design involved clipping, shallow stretching and bending processes. The substance of the design mainly includes the calculating design of process, the mold design, the simulate assembly, with integritive content and strong independence. clip mold and shallow stretch-bend mold. Compared with previous design, it reduce the amount of mold, improve mold comprehensive level, decrease the process and shorten the production cycle.

Nowadays the large-scale use of computer-aided software design in mechanical design has become a trend in industrial development. They were widely used at home and abroad, due to the main features of high precision and short production cycle. This design employ graphics software: Auto CAD and UG. For example, in the calculation of clipping process, the function about ―part area‖in Auto CAD was utilized for getting the accessory proportion and the press center of mold. They are more quickly and convenient than traditional design, and have great value for reference .

This subject consult abundant references, and refers to the country design standard strictly in the design process. It was achieved independently with responsible and scrupulous attitude, for the requirement of our graduation thesis and practicality through study.

Key word clip mold; shallow stretch-bend mold; Simulate assembly

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哈尔滨工业大学华德应用技术学院毕业设计（论文）

目录

摘要 ................................................................................................................. I Abstract .......................................................................................................... II 第1章 绪论 ................................................................................................... 1 1.2 课题背景 .............................................................................................. 1 1.2 冲模的结构组成 .................................................................................. 1 1.3 设计步骤与要点 .................................................................................. 2 第2章 落料模工艺设计 ............................................................................... 3 2.1 排样 ...................................................................................................... 3 2.1.1 工件在条料上的排样 ................................................................... 3 2.1.2 搭边 ............................................................................................... 3 2.1.3 材料利用率计算 ........................................................................... 4 2.2 冲裁力计算与压力中心确定 .............................................................. 5 2.2.1 冲裁力计算 ................................................................................... 5 2.2.2 卸料力、推件力、顶件力的计算 ............................................... 5 2.2.3 冲裁工艺力的计算 ....................................................................... 6 2.2.4 冲裁压力机的选择 ....................................................................... 6 2.2.5 压力中心的确定 ........................................................................... 7 2.3 冲裁刃口尺寸计算 .............................................................................. 7 2.3.1 计算原则 ....................................................................................... 7 2.3.2 计算方法 ....................................................................................... 8 2.3.3 刃口尺寸计算 ............................................................................... 9 第3章 落料模具设计 ................................................................................. 12 3.1 初步设计 ............................................................................................ 12 3.1.1 上凸模系统设计 ......................................................................... 12 3.1.2 下凹模系统设计 ......................................................................... 12 3.1.3 其它设计 ..................................................................................... 14 3.1.4 模架模座选择 ............................................................................. 15 3.2 绘制落料零件及装配图 .................................................................... 16 第4章 弯曲拉伸模工艺设计 ..................................................................... 16 4.1 弯曲工艺设计 .................................................................................... 17

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哈尔滨工业大学华德应用技术学院毕业设计（论文）

4.1.1 计算自由弯曲力 ......................................................................... 17 4.1.2 弯曲模刃口尺寸计算 ................................................................. 17 4.2 拉伸工艺设计 .................................................................................... 18 4.2.1 拉伸模刃口尺寸计算 ................................................................. 18 4.2.2 拉伸力、拉伸功计算 ................................................................. 19 4.3 压力机的选择 .................................................................................... 20 第5章 弯曲拉伸复合模具设计 ................................................................. 21 5.1 模具圆角半径和刃口形式确定 ........................................................ 21 5.1.1 弯曲凸凹模圆角半径确定 ......................................................... 21 5.1.2 浅拉伸的凹模刃口形式确定 ..................................................... 21 5.2 压力中心确定 .................................................................................... 21 5.3 模具各部件设计 ................................................................................ 22 5.4 模具装配 ............................................................................................ 24 第6章 落料模装配过程及动画设计 ......................................................... 25 6.1 基本实体造型 .................................................................................... 25 6.2 模具主体装配 .................................................................................... 25 6.3 模具动态模拟装配 ............................................................................ 26 6.4 模拟装配动画制作 ............................................................................ 27 结论 ............................................................................................................... 31 致谢 ............................................................................................................... 32 参考文献 ....................................................................................................... 33 附录1 ............................................................................................................ 34 附录2 ............................................................................................................ 42

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