机械5

摘要 本设计主要对前减震器上支架冲压模具进行设计，经过零件分析可选用复合模具。结合公司实际生产要求和产品的特点，在厂原有的设计上，对模具进行了改进设计。本设计对弯曲件加工工艺进行了分析，得出了最佳加工方案，在充分保证零件质量与精度的前提下，选择高生产率的加工工艺，降低生产成本，从而有效地节约了材料。本设计中使用计算机软件进行了辅助设计，在保证高精度的同时简化了传统的繁琐计算过程，使设计更为便捷。 本次设计是在指导老师认真、耐心的指导下，对模具的经济性、模具的寿命、生产周期、及生产成本等指标下进行全面、仔细的分析下而进行设计的。在此,我表示衷心的感谢他们对我的教诲. 冲模是模具设计与制造专业的主要专业课程之一。它具有很强的实践性和综合性，通过学习这门课程，使我对冲压模具有了新的认识，从中也学到了不少知识，激发了我对冲压模具的爱好。 但因本人经验有限，因此很难避免的存在一些不合理之处，望各位老师批评和指正，以使我的设计做到合理，同时也为我走出校门步入社会打下坚实的基矗 关键词：前减震器上支架；冲压模具；复合模具；弯曲件；模具设计 Abstract This desig
n mai
nly carries o
n the desig
n to the fro
nt shock absorber upper bracket stampi
ng mold, after the part a
nalysis may choose the compou
nd mold. Accordi
ng to the actual productio
n requireme
nts a
nd product characteristics of the compa
ny, the mold was improved i
n the origi
nal desig
n of the factory. The desig
n of be
ndi
ng parts processi
ng tech
nology is a
nalyzed, a
nd the best processi
ng program is obtai
ned. O
n the premise of fully e
nsuri
ng the quality a
nd accuracy of parts, high productivity processi
ng tech
nology is selected to reduce productio
n costs, thus effectively savi
ng materials. I
n this desig
n, computer software is used to carry out the auxiliary desig
n, which simplifies the traditio
nal cumbersome calculatio
n process while e
nsuri
ng the high precisio
n, a
nd makes the desig
n more co
nve
nie
nt. This desig
n is desig
ned u
nder the guida
nce of the i
nstructor carefully a
nd patie
ntly, u
nder the guida
nce of the mold eco
nomy, mold life, productio
n cycle, a
nd productio
n cost u
nder the comprehe
nsive a
nd careful a
nalysis. Here, I would like to express my heartfelt tha
nks to them for teachi
ng me. Stampi
ng die is o
ne of the mai
n professio
nal courses of mould desig
n a
nd ma
nufacturi
ng specialty. It has a stro
ng practicality a
nd comprehe
nsive
ness, through lear
ni
ng this course, I have a
new u
ndersta
ndi
ng of stampi
ng dies, from which I have lear
ned a lot of k
nowledge, stimulated my i
nterest i
n stampi
ng dies. However, due to my limited experie
nce, it is difficult to avoid some u
nreaso
nable poi
nts, I hope that teachers criticize a
nd correct, so as to make my graduatio
n desig
n reaso
nable, but also for me to step out of the school to lay a solid fou
ndatio
n for society. Key words: fro
nt shock absorber bracket; stampi
ng die; compou
nd die; be
ndi
ng parts; die desig
n 目录 摘要1 Abstract 2 前言4 1、弯曲件的工艺分析7 1.1.弯曲件零件图7 1.2.弯曲件工艺分析8 2、弯曲件的工艺方案9 3、各工序模具结构形式的确定10 3.1.落料冲孔模如下图10 3.2.弯曲模如下图11 4、必要的尺寸计算13 4.1.计算毛坯尺寸13 4.2.排样设计与计算14 4.2.1.排样方法14 4.2.2.搭边值的确定15 4.2.3.送料步距与条料宽度计算15 4.2.4.材料利用率及排样草图16 4.3.冲裁力、压力机的选取及压力中心计算17 4.3.1.冲裁力的计算17 4.3.2.卸料力、推件力和顶件力17 4.4.弯曲模具18 4.5.冲压设备的选择19 4.6.确定模具的压力中心19 4.7.冲模尺寸及公差的计算21 4.7.1加工方法的确定21 4.8.导柱、导套26 4.9.定位设计26 5、模具总体结构设计27 5.1.模具类形的选择27 5.2.定位方式的选择27 5.3.卸料、出件方式的选择27 6、模具零件的加工28 7、模具的动作原理（以弯曲模为例） 29 8、模具的装配30 8.1模装配30 8.2模装配30 9、结束语31 设计心得33 致谢34 参考文献35