圍板的彎曲沖孔復(fù)合模具設(shè)計(jì)【落料沖孔沖壓再彎曲反裝復(fù)合模、彎曲模含13張CAD圖】
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目 錄緒論.......................................................................................................................................1１．國(guó)內(nèi)模具的現(xiàn)狀與發(fā)展趨勢(shì)........................................................................11.1 國(guó)內(nèi)模具的現(xiàn)狀...................................................................................................11.2 國(guó)內(nèi)模具發(fā)展趨勢(shì).............................................................................................22. 國(guó)外模具的現(xiàn)狀與發(fā)展趨勢(shì)............................................................................3第一章 沖裁件的工藝分析及排樣....................................................................41.1 沖裁件的工藝分析........................................................................51.2 制件的外形分析............................................................................51.3 沖裁件的尺寸精度和表面粗糙度................................................5第二章 工藝方案的確定.....................................................................6第三章 主要工藝參數(shù)計(jì)算…….........................................................73.1 沖裁的工藝計(jì)算..............................................................................83.2 排樣的設(shè)計(jì)與計(jì)算..........................................................................83.3 沖裁力的計(jì)算….............................................................................103.4 壓力機(jī)的公稱壓力的計(jì)算………………………………………113.5 壓力中心的確定及相關(guān)計(jì)算……………………………………113.6 工作部分的尺寸計(jì)算…………………………………………….12第四章 模具總體設(shè)計(jì)................... ...................................................14第五章 模具主要零部件的設(shè)計(jì)................ ......................................145.1 工作零件的結(jié)構(gòu)設(shè)計(jì)....................................................................145.2 定位零件的設(shè)計(jì)................... .......................................................165.3 導(dǎo)向裝置的設(shè)計(jì).............................................................................175.4 打料裝置是設(shè)計(jì)................................ ................... ........................175.5 頂件裝置的設(shè)計(jì)............................................................................175.6 連接裝置是設(shè)計(jì)............................................................................185.7 固定板是設(shè)計(jì)........................................................................... .. ..195.8 模架及組成零件的確定. ...............................................................19第六章 模具工作原理.........................................................................20第七章 模具的裝配.............................. .............................. ................217.1 裝配前是準(zhǔn)備..................................................................... ............227.2 裝配模柄......................................................... .................................227.3 裝配凸凹模.............................................................. ........................23第二部分第一章 零件結(jié)構(gòu)工藝性分析................................................. .............241.1 彎曲是直邊高度................................................. ............................241.2 孔邊距................................................. ...........................................241.3 最小彎曲半徑................................................. ................................24第二章 主要工藝參數(shù)計(jì)算................................................. .................242.1 彎曲力的計(jì)算................................................. ...............................242.2 壓力機(jī)是壓力確定................................................. .....................252.3 回彈量是計(jì)算................................................. ..................... ........25第三章 彎曲模工零部分設(shè)計(jì)............ ............ ............ ............ .........253.1 凸凹模的間隙是計(jì)算............................................. ...................25第四章 模具總體設(shè)計(jì)............................................. ..........................26第五章 設(shè)備是選定............................ ......................... ........................27總結(jié)........................................................................................................28致謝........................................................................................................29參考文獻(xiàn)................................................................................................30