2546 墊板沖壓成形工藝及模具設計,墊板,沖壓,成形,工藝,模具設計 目 錄1 緒 論 ..................................................................12 制件的工藝性分析 ........................................................33 工藝方案的確定 ..........................................................44 主要工藝參數計算 ........................................................54.1 排樣的設計與計算 ........................................................................................................54.1.1 確定搭邊與搭肩值 ...........................................................................................54.1.2 計算送料步距和條料的寬度 ...........................................................................54.2 沖壓力的計算并初步選取壓力機的噸位 ....................................................................64.2.1 沖裁力的計算 ....................................................................................................64.2.2 卸料力、推件力及頂件了力的計算 .............................................................74.2.3 總沖壓力 P總 .....................................................................................................84.3 壓力機的公稱壓力的確定 ...........................................................................................84.4 壓力中心的確定 ...........................................................................................................94.5 工作部分的尺寸計算 ...................................................................................................94.5.1 計算沖孔凸、凹模工作部分的尺寸并確定其公差 ........................................94.5.2 落料凸模、凹模刃口尺寸的計算 ..................................................................105 模具總體設計 ...........................................................135.1 模具類型的選擇 .......................................................................................................135.2 定位方式的選擇 .......................................................................................................135.3 導向方式的選擇 .........................................................................................................135.4 卸料方式的選擇 .........................................................................................................136 模具主要零部件的設計 ...................................................146.1 工作零件的結構設計 ..................................................................................................146.1.1 凹模的設計 .....................................................................................................146.1.2 沖孔凸模的設計 ...........................................................................................156.2 定位零件的設計 ..........................................................................................................176.2.1 始用擋料銷的設計與標準化 .........................................................................186.2.2 固定擋料銷的設計與標準化 .......................................................................186.2.3 導正銷的設計與標準化 ...............................................................................196.2.4 導料板的設計與標準化 ...............................................................................206.3 導向裝置的設計 .................................................................................................206.4 卸料裝置的設計 .........................................................................................................216.5 連接與固定裝置的設計 ............................................................................................216.5.1 模柄的設計 ......................................................................................................216.5.2 固定板的設計 ...............................................................................................226.5.3 墊板的設計 ...................................................................................................236.5.4 螺釘與銷釘的設計 .......................................................................................236.5.5 卸料板的設計 ...............................................................................................236.6 模架及組成零件的確定 ....................................................................................236.6.1 模架的選用 .....................................................................................................236.6.2 模座的確定 .....................................................................................................237 模具閉合高度及壓力機有關參數的校核 .....................................258 繪制模具總裝圖和非標零件工作圖 .........................................268.1 模具總裝圖和非標零件工作圖見附圖 ......................................................................268.2 模具的工作原理 ..........................................................................................................26設計總結 .................................................................28致 謝 ...................................................................30參 考 文 獻 ..............................................................31