开卷落料技术在汽车冲压模具方面的应用+CAD图纸
毕业论文关键字：冲压；材料利用率；开卷落料；落料模
The Application Of Open-Book Blanking Die Technology About Aspect Of Auto Stamping Die
Abstract: Introducing the operational principle of open-book blanking die and the application of open-book blanking die technology about aspect of auto stamping die according to the comparison of the developing of open-book blanking die both here and abord. detail the main device and analysis and introduction for each device, and the matters that should pay attention to when manufacturing open-book blanking die. the design methods of the blanking die structure with unwinder device , the points for attention and how to reduce step to make the use of material best are introduced.designing the cold stamping die and the use of each position.chosing the material of knife and comparing the thermal treatment of knife,besides,introduing detially the current designing and making about casting , the points for attention and the projiect about solving.
Key words: die ； the use of material ；open-book blanking die ；blanking die
目 录
1 绪论1
1.1 模具行业总体概况1
1.2 汽车模具行业在中国的发展状况1
2 开卷落料线的工作原理3
2.1 开卷落料线的工作部件3
2.1.1 矫平技术3
2.1.2 送料技术3
2.1.3 高速压机3
2.1.4 磁性堆垛4
2.2 开卷落料线的工作原理4
2.3 开卷落料模的目的及作用4
2.4 开卷落料模开发过程中的注意事项及排样方法5
2.4.1 开卷落料模应结构合理避免板料划伤5
2.4.2 开卷落料模的合理排样及注意事项6
2.5 开卷落料线国内外的现状6
2.6 开卷落料线的辅助设备7
2.6.1 摆剪模7
2.6.2 翻转机8
3 冲压件9
3.1 零件技术要求9
3.2 零件的工艺性分析10
3.2.1 零件的工艺性分析10
3.2.2 冲裁件的精度与粗糙度11
3.2.3 确定零件的工艺11
3.2.4 分析落料模方案12
3.2.5 初拟零件的排样分析开卷落料的经济性与可行性12
4 开卷落料模具的工艺与设计15
4.1排样的设计15
4.2压力机的选用15
4.2.1 切边冲裁力的计算15
4.2.2 弹簧的选用16
4.2.3 压力机的选用17
5冲压模具总体结构设计18
5.1模具的类型18
5.2导向形式18
5.3卸料与出见方式18
5.4模架的类型18
5.5刀块的选用18
5.5.1刀块的尺寸和材料18
5.5.2 刀块的结构20
5.5.3 刃口尺寸计算23
5.6泡沫塑料消失模24
5.6.1 简介泡沫塑料消失模24
5.6.2 泡沫塑料消失模的质量24
5.7泡沫塑料消失模的设计25
5.8铸造减轻块设计26
5.9模架安全块的设计27