墊片沖壓模具設(shè)計【長條形】【含CAD圖紙】

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目 錄 第一章 緒論 ...........................................................................................................................................1 1.1 概述 ..................................................................................................................1 1.2 沖壓的基本工序和模具 ..................................................................................2 1.3 模具的發(fā)展和現(xiàn)狀 ..........................................................................................2 1.4 模具 CAD/CAE/CAM 技術(shù) ..................................................................................3 1.5 本設(shè)計的主要特點及意義 ..............................................................................3 第二章 沖裁件的工藝分析 ........................................................................................4 2.1 工件材料 ....................................................................................................... 5 2.2 工件結(jié)構(gòu)形狀 ..................................................................................................5 2.3 工件尺寸精度 ..................................................................................................6 第三章 工藝方案的確定 ............................................................................................8 3.1 工序的種類的確定 ..........................................................................................8 3.2 工序方案的確定 ..............................................................................................8 3.2.1 擬定方案 .................................................................................................8 3.2.2 生產(chǎn)批量與模具類型的關(guān)系 .................................................................8 3.2.3 單工序模具、復合模具和級進模具的比較 .........................................9 3.2.4 方案的確定 .............................................................................................................10 第四章 模具總體設(shè)計 .............................................................................................. 11 4.1 模具類型的選擇 ............................................................................................11 4.2 操作方式的確定 ............................................................................................11 4.3 卸料、出件方式的確定 ................................................................................11 4.3.1 卸料方式 ...............................................................................................11 4.3.2 出件方式 ...............................................................................................11 4.4 確定送料方式 ................................................................................................12 4.5 確定導向方式 ..................................................................................................................12 第五章 模具設(shè)計計算 ...............................................................................................13 5.1 排樣、計算條料寬度、確定步距、材料利用率 ........................................13 5.1.1 排樣方式的選擇 .................................................................................. 13 5.1.2 計算條料寬度 .......................................................................................13 5.1.3 確定步距 ...............................................................................................14 5.1.4 計算材料利用率 ....................................................................................................15 5.1.5 畫出排樣圖 .............................................................................................................16 5.2 沖壓力的計算 ................................................................................................16 5.2.1 沖孔力的計算 .......................................................................................16 5.2.4 落料力 1 的計算 ....................................................................................................17 5.2.3 落料力 2 的計算 ...................................................................................17 5.2.4 落料力 3 的計算 ....................................................................................................17 5.2.5 側(cè)刃力的計算 .......................................................................................18 5.2.6 折彎力的計算 ........................................................................................................18 5.2.7 卸料力的計算 ........................................................................................................19 5.2.8 推桿力的計算 .......................................................................................19 5.2.9 總沖壓力的計算 ....................................................................................................19 5.3 計算壓力中心 ................................................................................................20 5.4 沖壓設(shè)備的選定 ............................................................................................21 5.5 模具刃口尺寸的計算 ....................................................................................21 5.5.1 沖裁間隙分析 .......................................................................................21 5.5.2 沖孔刃口尺寸 .......................................................................................22 5.5.3 落料刃口尺寸 .......................................................................................23 第六章 主要零部件設(shè)計 ..........................................................................................25 6.1 工作零部件的結(jié)構(gòu)設(shè)計 ................................................................................25 6.1.1 凸模設(shè)計 .............................................................................................. 25 6.1.2 凹模設(shè)計 .............................................................................................. 27 6.1.3 凸模墊板的設(shè)計 .................................................................................. 29 6.2 模柄的設(shè)計 ....................................................................................................30 6.3 卸料板的設(shè)計 ................................................................................................31 6.4 模架以及其他零部件的選用 ........................................................................32 第七章 校核模具參數(shù) ...............................................................................................33 7.1 校核模具閉合高度 ........................................................................................33 7.2 凸模的強度計算及校核 ................................................................................33 第八章 設(shè)計并繪制模具總裝圖及選取標準件 ................................................35 第九章 結(jié)論 ..................................................................................................................36 參考文獻 .........................................................................................................................37 致謝 ..................................................................................................................................38