2391 齒輪螺栓墊片沖壓成形工藝與模具設計1,齒輪,螺栓,墊片,沖壓,成形,工藝,模具設計 目 錄1 緒 論 ...................................................................................................................................12 零件的工藝性分析 ...............................................................................................................32.1 零件的總體分析 .........................................................................................................................32.1.1外形落料的工藝性 ............................................................................................32.1.2沖孔的工藝性 ....................................................................................................32.1.3沖裁件的孔邊距和孔間距 ................................................................................42.1.4尺寸精度 ............................................................................................................43 工藝方案的確定 ...................................................................................................................54 排樣設計與計算 ...................................................................................................................64.1確定搭邊與搭肩值 ......................................................................................................................64.2確定零件的排樣方案 .................................................................................................................64.3計算送料步距和條料的寬度 ...................................................................................................74.4計算材料的利用率 ......................................................................................................................75 計算沖壓力和初選壓力機 ...................................................................................................85.1沖裁工序總力的計算 .................................................................................................................85.2初選壓力機 ...................................................................................................................................95.3 確定壓力中心 ............................................................................................................................106 模具結構形式的選擇與確定 .............................................................................................116.1 模具類型的選擇 .......................................................................................................................116.2定位方式的選擇 ........................................................................................................................116.3導向方式的選擇 ........................................................................................................................116.4 卸料方式 .....................................................................................................................................116.5 送料方式 .....................................................................................................................................117 模具工作零部件刃口尺寸的計算 .....................................................................................127.1沖裁 1?孔的凸、凹模刃口尺寸的計算 ...........................................................................127.2外形落料凸模、凹模刃口尺寸的計算 ...............................................................................128 模具主要零部件設計 .........................................................................................................158.1工作零部件的結構設計 ..........................................................................................................158.1.1落料凹模的設計 ..............................................................................................158.1.2 沖孔凸模的設計 .............................................................................................168.1.3落料凸模（凸凹模）的設計 ..........................................................................198.2定位裝置的設計與標準化 ......................................................................................................198.2.1擋料銷及導料銷的設計與標準化 ..................................................................198.2.2擋料銷與導料銷位置的確定 ..........................................................................208.2.3導料銷位置的確定 ..........................................................................................208.3卸料裝置的設計及標準化 ......................................................................................................208.3.1彈性卸料板的結構形式 ..................................................................................208.3.2卸料螺釘的選用 ..............................................................................................218.3.3卸料彈簧的設計及選用 ..................................................................................218.4推件裝置的設計與標準化 ......................................................................................................228.4.1剛性推件裝置的設計與標準化 ......................................................................228.4.2推件塊的設計 ..................................................................................................228.4.3連接推桿的選用 ..............................................................................................228.4.4推板的設計 ......................................................................................................228.4.5打桿的設計 ......................................................................................................228.5支撐固定零件的設計與標準化 ................................................................................................238.5.1模架的選用 ..........................................................................................................238.5.2 凸模固定板的設計 .............................................................................................238.6導向零件的設計與標準化 ....................................................................................................238.7緊固零件的設計與標準化 ....................................................................................................249 沖壓設備的的選用 .............................................................................................................2510 模具總裝圖 .......................................................................................................................26結束語 .......................................................................................................................................27致 謝 .......................................................................................................................................28參考文獻 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