机械5

货厢后横梁连接板堵板冲压模具设计-成形、落料冲孔复合模 摘要 本次设计了两套单工序模具。经过查阅资料，首先要对零件进行工艺分析。经过工艺分析和对比，采用成形、落料、冲孔工序。通过冲裁力、顶件力、卸料力等计算，确定压力机的型号。再分析对冲压件加工的模具适用类型选择所需设计的模具。得出将设计的模具类型后将模具的各工作零部件设计过程表达出来。在文档中第一部分，主要叙述了冲压模具的发展状况，说明了冲压模具的重要性与本次设计的意义，接着是对冲压件的工艺分析，完成了工艺方案的确定。第二部分，对零件排样图的设计，完成了材料利用率的计算。再进行冲裁工艺力的计算和冲裁模工作部分的设计计算，对选择冲压设备提供依据。最后对主要零部件的设计和标准件的选择，为本次设计模具的绘制和模具的成形提供依据，以及为装配图各尺寸提供依据。通过前面的设计方案画出模具各零件图和装配图。本次设计阐述了冲压复合模的结构设计及工作过程。本模具性能可靠，运行平稳，提高了产品质量和生产效率，降低劳动强度和生产成本。 关键词:压力机；冲压模具；工艺；复合模 Abstract This desig
n has two sets of si
ngleworki
ng dies. After co
nsulti
ng the data,we should first a
nalyze the parts. After process a
nalysis a
nd compariso
n, formi
ng, bla
nki
ng a
nd pu
nchi
ng processes are adopted. The type of press is determi
ned through calculatio
n of bla
nki
ng force, top load a
nd u
nloadi
ng force. The
n a
nalyze the type of mold for stampi
ng parts a
nd choose the mold that
needs to be desig
ned. The desig
n process of each part of the die is expressed after the mold type is desig
ned. I
n the first part of the docume
nt, mai
nly described the developme
nt of stampi
ng die, explai
ned the importa
nce of stampi
ng die a
nd the sig
nifica
nce of this desig
n, followed by the process a
nalysis of stampi
ng parts, completed the determi
natio
n of the process pla
n. I
n the seco
nd part, the desig
n of the layout of parts is completed, a
nd the material utilizatio
n ratio is calculated. The
n the bla
nki
ng force calculatio
n a
nd the desig
n calculatio
n of theworki
ng part of the bla
nki
ng die provide the basis for selecti
ng the stampi
ng equipme
nt. Fi
nally, the desig
n of the mai
n parts a
nd the selectio
n of the sta
ndard parts provide the basis for the desig
n of the mold drawi
ng a
nd mold formi
ng, a
nd provide the basis for the size of the assembly drawi
ng. Each part drawi
ng a
nd assembly drawi
ng of the die are draw
n through the previous desig
n pla
n. This desig
n describes the structure desig
n a
ndworki
ng process of the stampi
ng compou
nd die. The die has reliable performa
nce a
nd stable operatio
n, improves product quality a
nd productio
n efficie
ncy, reduces labor i
nte
nsity a
nd productio
n cost. Keywords: press; stampi
ng die; process; compou
nd die 目录 1引言1 1.1选题背景1 1.2课题设计思路1 1.3设计过程中的难点2 2冲模设计程序与步骤概述3 2.1冲件工艺性分析3 2.2确定合理的冲压工艺方案3 2.3进行工艺计算3 2.4模具总体设计4 2.4.1进行模具结构设计，确定结构件形式和标准。 4 2.4.2模架种类及规格的确认4 2.5选择冲压设备4 2.6模具图样设计4 3冲模设计6 3.1冲件工艺性分析6 3.2工艺方案的确定6 3.3进行工艺计算7 3.3.1拉深力8 3.3.2有凸缘及凸缘宽度8 3.3.3拉深方向的选择9 3.4工艺计算9 3.4.1力的计算及压力机的选择9 3.4.2主要工作部分尺寸计算10 3.4.3模具压力中心的确定11 3.5模具总体设计12 3.5.1模具类型的选择12 3.5.2定位方式的选择13 3.5.3卸料、出件方式的确定13 3.5.4模架的选用14 3.6选择冲压设备18 4零部件的设计与选用19 4.1支撑固定及卸料零件19 4.2弹性元件19 4.4模架及其他零部件的选用21 5模具的总装图22 总结与展望23 致谢24 参考文献25