【正文】 ..................... 5 沖壓力的計(jì)算 ................................................................................................................... 7 沖壓力 .................................................................................................................... 7 卸料力 .................................................................................................................... 8 頂件力 .................................................................................................................... 8 模具總沖壓力為 .................................................................................................... 8 壓力中心的計(jì)算 ............................................................................................................... 8 初選壓力機(jī) ..................................................................................................................... 10 2 模具總體設(shè)計(jì) .........................................................................................................................11 模具類(lèi)型的選擇 ..............................................................................................................11 定位方式的選擇 ..............................................................................................................11 卸料方式的選擇 ..............................................................................................................11 出件方式 ......................................................................................................................... 12 確 定送料方式 ................................................................................................................. 12 導(dǎo)向方式的選擇 ............................................................................................................. 12 3 模具工作部分尺寸計(jì)算 ..................................................................................................... 13 工作零件刃口尺寸計(jì)算 ................................................................................................ 13 沖載間隙分析 ...................................................................................................... 13 落料模具工作零件刃口尺寸計(jì)算 ..................................................................... 13 沖孔模具工作零件刃口尺寸計(jì)算 ...................................................................... 14 ........................................................................................ 15 卸料塊的設(shè)計(jì) ..................................................................................................... 15 彈性元件橡膠的設(shè)計(jì) .......................................................................................... 15 4 主要零部件設(shè)計(jì) ................................................................................................................... 18 工作零件的結(jié)構(gòu)設(shè)計(jì) ..................................................................................................... 18 凸凹模 .................................................................................................................. 18 落料凹模 .............................................................................................................. 18 沖孔凸模 .............................................................................................................. 21 其它模具零件結(jié)構(gòu)尺寸 ................................................................................................. 23 卸料板的設(shè)計(jì) ...................................................................................................... 23 墊板設(shè)計(jì) .............................................................................................................. 24 固定板設(shè)計(jì) .......................................................................................................... 26 模架的選用 .................................................................................................................... 27 上、下模座的設(shè)計(jì) .............................................................................................. 28 導(dǎo)柱、導(dǎo)套及模架的選用 .................................................................................. 29 其它標(biāo)準(zhǔn)零件的選用 ..................................................................................................... 32 模柄的選用 .......................................................................................................... 32 第 IV 頁(yè) 共 53 頁(yè) 導(dǎo)料銷(xiāo) .................................................................................................................. 33 卸料螺釘?shù)倪x用 .................................................................................................. 33 定位零件 .............................................................................................................. 33 推件裝置 .............................................................................................................. 34 5 壓力機(jī)的校核 ........................................................................................................................ 37 6 模具的裝配 總圖 ................................................................................................................... 38 7 模具主要零件加工工藝的制定 ....................................................................................... 39 落料凹模加工工藝過(guò)程 ................................................................................................. 39 沖孔凸模加工工藝過(guò)程 ................................................................................................. 39 凹凸模加工工藝過(guò)程 ..................................................................................................... 40 凸模固定板加工工藝過(guò)程 ............................................................................................. 41 凸凹模固定板加工工藝過(guò)程 ......................................................................................... 42 卸料板加工工藝過(guò)程 ..................................................................................................... 43 凸凹模墊板加工工藝過(guò)程 ................................................