机械5

固定片冲孔落料复合模设计 摘要 本文主要介绍固定片冲孔落料复合模设计过程，该复合模专门为零件（固定片）生产工序中的冲孔工序和落料工序而设计的。用这种复合模生产的好处在于能够很大程度上提高零件的生产效率与产品尺寸稳定性，还能与自动化设备接轨，一次成形；一套冲孔落料复合模，可以很大程度上节省零件加工时长与投入的人力，主要因为省略掉了两道加工工序，不需要多台机床生产加工；该复合模的设计过程：首先分析该零件加工工艺，确定零件使用材料和技术要求，再来设计出模具的尺寸，选出合适的标准件（符合模具尺寸），组装出该复合模架。 关键词：复合模设计；冲孔和落料；一次成形；自动化 Desig
n of perforati
ng a
nd Bla
nki
ng Compou
nd Die for fixed sheet Abstract This paper mai
nly i
ntroduces the desig
n of pu
nchi
ng bla
nki
ng compou
nd die, which is specially desig
ned for pu
nchi
ng a
nd bla
nki
ng of two parts i
n parts (fixi
ng piece). The adva
ntages of the compou
nd die are that it ca
n improve the productio
n efficie
ncy a
nd the stability of the product size to a great exte
nt. It ca
n also be co
n
nected with the automatio
n equipme
nt, o
ne formi
ng, a set of pu
nchi
ng a
nd bla
nki
ng compou
nd die, which ca
n save the le
ngth a
nd the ma
npower of the parts processi
ng. I
n additio
n, it saves two processi
ng procedures a
nd does
not
need multiple machi
ne tools; the compou
nd die is
not required. Desig
n process: first, it a
nalyzes the processi
ng tech
nology of the parts, determi
nes the material a
nd tech
nical requireme
nts of the parts, the
n desig
ns the size of the co
ncave a
nd co
nvex mould, fi
nally desig
ns the mold frame, selects the suitable sta
ndard parts accordi
ng to the
natio
nal sta
ndard, a
nd assembles the composite mold frame. Key words: Desig
n of compou
nd die; Pu
nchi
ng a
nd bla
nki
ng; O
nce formed; Automatio
n 目录 摘要II Abstract III 1绪论1 2确定工艺方案3 2.1工艺分析3 2.2冲裁工艺方案的确定3 2.3复合模结构形式确定3 3工艺设计5 3.1零件图分析5 3.2排样设计10 3.3冲裁工艺力计算12 3.4刃口尺寸计算16 3.5模具整体结构设计19 4.1工作零部件的设计20 4.2定位零件的设计21 4.3模架其它零部件的设计21 4.4冲压设备的选取22 4.5模具零件的加工工艺22 4.6模具的装配23 5结论26 参考文献27 附录28 致谢29