【正文】 ............................................................................18 切邊凸凹模設(shè)計.............................................................................................18 沖孔凸凹模設(shè)計.............................................................................................19 凸凹模尺寸計算 .........................................................................................................19 凸、凹刃口尺寸的計算原則.........................................................................19 模板確定 ....................................................................................................................24 定位導(dǎo)向零件 ............................................................................................................24 卸料裝置 ...................................................................................................................24 彈性卸料裝置.................................................................................................24 廢料切刀裝置.................................................................................................25 導(dǎo)向裝置 ....................................................................................................................25 沖孔切邊模裝配總圖 ..............................................................................................265 總結(jié) .......................................................................................................................................27謝 辭 ...........................................................................................................................................28參考文獻(xiàn) ....................................................................................................................................29I / 35汽油發(fā)電機(jī)油箱下殼體沖壓成型工藝分析及模具設(shè)計摘 要本次設(shè)計的零件為凸緣盒形件拉深件—汽油發(fā)電機(jī)油箱下殼體。下殼體采用的材料ST16 號鋼及 厚度保證了足夠的強(qiáng)度和剛度。該零件外形基本對稱，材料是適于制造高變形性能，深拉延產(chǎn)品及形狀較復(fù)雜產(chǎn)品的鋼材。首先對零件進(jìn)行了工藝性分析，有拉深、沖孔、切邊等一系列工序。而且生產(chǎn)批量大，各工位有相互的尺寸關(guān)系，經(jīng)過計算分析采用一次拉伸與沖孔切邊的工藝生產(chǎn)方案，可提高材料的利用率。經(jīng)過計算分析完成該模具的主要設(shè)計計算，凸、凹模工作部分的設(shè)計計算，還有工位布置和主要零部件的結(jié)構(gòu)設(shè)計，選擇合適的模具材料。拉伸又稱拉延、壓延或引伸。它是利用拉伸模具在壓力機(jī)的壓力作用下，將預(yù)先剪裁或沖裁成一定形狀的平板毛坯，拉制成立體空心件的加工方法。拉伸成型是板材立體成形的最重要方法，以拉伸成形為主體的沖壓件非常多，在很多工業(yè)及生活用品中都又拉伸成形的制品，是沖模發(fā)展方向之一。在模具設(shè)計前必須對工件進(jìn)行全面分析，然后合理確定工件的沖壓成形工藝方案，正確設(shè)計模具結(jié)構(gòu)和模具零件的加工工藝規(guī)程，以獲得最佳的技術(shù)經(jīng)濟(jì)效益。關(guān) 鍵 詞：拉伸模，拉深，切邊，沖孔，設(shè)計。Gasoline Generator Fuel Tank Shell Under the Stamping Forming Process and Die DesignAbstractThe design of boxshaped flange parts for deep drawing parts gasoline generator under the tank shell. Shell material used under No. ST16 steel and thickness to ensure sufficient strength and stiffness. This deformation of material is suitable for manufacturing highperformance and deepdrawing products and more plex products shape.We carried out the parts of analysis, there is deep drawing, punching, cuttingedge series of processes. And production volume, and the works are of the size of the mutual relationship between the calculated and II / 35analyzed through the use of a stretching and punching the production of cuttingedge technology options to improve the utilization of materials. After pletion of the analysis of the mold design，convex and concave die part of the design work，there are the major ponents of layout and design of the structure， choose a suitable mold material.Also known as tensile drawing, rolling or extended. It is stretching the use of molds in the press under pressure, will be precut or blanking plate into the shape of a certain rough, threedimensional drawing made of hollow pieces of processing methods. It is stretching the use of molds in the press under pressure, will be precut or blanking plate into the shape of a certain rough, threedimensional drawing made of hollow pieces of processing methods. Prior the design of the die, the workpiece should be fully analysis. A correctly designed die structure and works process specifications can obtain the best economical benefit.Keywords：Pushing die，Drawing, Trimming, Punching, Desig1 / 35 課題的背景及意義設(shè)計的主要目的：通過對發(fā)電機(jī)油箱下殼體的分析設(shè)計合理的模具，使該模具能滿足發(fā)電機(jī)油箱下殼體生產(chǎn)的要求。油箱下殼體屬拉深件系列，需采用拉深，沖孔切邊等一系列的工序，而且生產(chǎn)批量很大，經(jīng)過分析可采用普通的拉伸單工序模和沖孔切邊復(fù)合模。設(shè)計的主要意義是：通過此次設(shè)計了解設(shè)計沖壓模的一般程序，了解相關(guān)的理論知識并加以應(yīng)用和鞏固；熟練的運(yùn)用有關(guān)技術(shù)資料，如《冷沖模國家標(biāo)準(zhǔn)》 、 《多工位級進(jìn)模與沖壓自動化》 、 《冷沖壓技術(shù)》及其他有關(guān)規(guī)范等；初步的掌握設(shè)計冷沖壓模具的能力，也是檢驗對所學(xué)相關(guān)課程理論、技能的理解程度；培養(yǎng)理論聯(lián)系實際的良好作風(fēng)，為將來的工作打下初步的基礎(chǔ)。 國內(nèi)外現(xiàn)狀及發(fā)展趨勢 發(fā)展現(xiàn)狀模具是機(jī)械制造業(yè)中技術(shù)先進(jìn)、影響深遠(yuǎn)的重要工藝裝備,具有生產(chǎn)效率高、材料利用率高、制件質(zhì)量優(yōu)良、工藝適應(yīng)性好等特點(diǎn),被廣泛應(yīng)用于汽車、機(jī)械、航天、航空、輕工、電子、電器、儀表等行業(yè)。用模具成型的制件所表現(xiàn)出來的高精度、高復(fù)雜性、高一致性、高生產(chǎn)率和低消耗，是其他加工制造方法所無法比擬。我國模具行業(yè)將向大型、精密、復(fù)雜、高效、長壽命和多功能方向發(fā)展。模具在很大沖壓生產(chǎn)靠模具與設(shè)備完成其加工過程，生產(chǎn)率高，操作簡便，易于實現(xiàn)機(jī)械化和自動化，可以獲得其他加工方法所不能或難以制造的、形狀復(fù)雜的零件。沖壓產(chǎn)品一般不需要再經(jīng)過機(jī)械加工便可使用，沖壓加工過程一般也無需加熱毛坯。所以，沖壓生產(chǎn)不但節(jié)約金屬材料，而且節(jié)約能源，沖壓產(chǎn)品一般還具有重量輕和剛性好的特點(diǎn)。雖然近