链板落料冲孔复合模的设计-自行车链条扣-链片冲压模具含14张CAD图带开题报告+说明书

工件图及排样图

链板落料冲孔复合模的设计
摘要
本次设计的题目是链板落料冲孔复合模的设计，其结构简单，对尺寸精度和外观质量有较高的要求。因此，工艺方案的确定很重要，对于装配图和零件图的绘制利用CAD来完成，对我们今后从事模具行业奠定基矗
冲压模具主要是将板料分离或成形而得到制件的加工方法。本次设计采用的是倒装复合模，本文分析了链板片的冲压工艺特点，冲压模具的设计，模具制造等理论知识及要求，结合生产实习的综合性知识，工艺特点及功能、技术要求，参考现有的冲压模具设计资料，完成了链板片冲压模具的方案设计。
关键词：链板；冲压工艺；复合模；

Abstract
The topic of this graduation design is the design of the chain plate blanking punching compound die, its structure is simple, have higher request for dimensional precision and appearance quality. Therefore, the determination of process scheme isvery important, for the assembly drawing and part drawing drawing using CAD to completion, lay a foundation for our future in the mold industry.
stamping die is mainly to separate sheet metal or forming parts processing method. This design USES is inversion compound die, stamping process characteristics of chain plate are analyzed in this paper, the design of the stamping die, die manufacturing and other theoretical knowledge and requirements, combinedwith the production practice of comprehensive knowledge, process characteristics and functions, technical requirements, reference existing stamping die design, completed the chain plate stamping die design.
Keywords: chain plate; Stamping process. Composite mould;

目录
第一章前言..........................................................1
1.1冲压加工的意义...............................................1
1.2冲压加工的特.................................................1
1.3冲压加工的内容...............................................2
第二章冲压工艺设计...................................................3
2.1冲压件的工艺性分析.............................................3
2.1.1冲压件材料.................................................3
2.1.2冲压件形状和尺寸...........................................3
2.1.3冲压件的精度...............................................4
2.2冲压件工艺方案的确定...........................................5
第三章冲裁件排样设计.................................................7
3.1排样方式.......................................................7
3.2排样设计.......................................................8
3.2.1搭边的确定.................................................8
3.2.2进距的确定.................................................9
3.2.3条料宽度的确定.............................................9
3.3材料的利用率.................................................11
第四章冲压力计算...................................................13
4.1冲裁力的计算.................................................13
4.2降低冲裁力的措施.............................................13
4.3卸料力、推件力和顶件力的计算.................................14
4.3.1卸料力的计算.............................................15
4.3.2推件力的计算.............................................15
4.3.3顶件力的计算.............................................15
第五章冲压设备及选用................................................17
5.1冲压设备的种类................................................17
5.2冲压设备的选用................................................17
5.2.1冲压设备选用的原则........................................17
5.2.2冲压设备类型的选择........................................18
5.2.3计算冲压工艺总力..........................................18
5.2.4校核初选设备............................................19
第六章凸凹模刃口尺寸的确定........................................21
6.1尺寸计算原则................................................21
6.2凸、凹模刃口尺寸计算........................................21
第七章模具主要零部件设计.........................................25
7.1凹模设计...................................................25
7.1.1凹模刃口形式..........................................25
7.1.2凹模结构形式及其固定方法..............................25
7.1.3凹模外形设计..........................................26
7.2凸模设计..................................................27
7.2.1凸模的结构形式与固定..................................27
7.2.2凸模尺寸的确定........................................28
7.2.3凸模的强度校核........................................30
7.3凸凹模设计................................................31
7.3.1凸凹模外形尺寸的确定..................................31
7.3.2凸凹模壁厚的确定......................................31
7.3.3凸凹模材料的选取......................................32
7.4定位零件的设计............................................32
7.4.1导料零件的设计........................................32
7.4.2挡料零件的设计........................................33
7.5卸料装置的设计............................................33
7.6连接件与固定零件的设计....................................35
7.6.1凸模固定板的设计.....................................35
7.6.2垫板的设计...........................................36
7.6.3螺钉与销钉的设计.....................................36
7.6.4模架的选用...........................................37
7.6.5模柄的选用...........................................38
7.6.6推件块装置的设计.....................................38
第八章模具装配图及零件图的绘制.................................41
8.1装配图绘制...............................................41
8.1.1装配图绘制原则......................................41
8.1.2装配图绘制要求.........................................41
8.2零件图的绘制...............................................42
8.2.1零件图的绘制步骤......................................43
8.2.2零件图尺寸标注方法....................................43
结论.............................................................45
致谢.............................................................47
参考文献.........................................................49

模具装配图

推件器

下垫板

橡胶

卸料板

凹模

导套

上垫板

上模座

凸凹模

凸凹模固定板

凸模

凸模固定板

摘要部分

字数统计

设计目录

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