【畢業(yè)設(shè)計】電機(jī)炭刷架冷沖壓模具畢業(yè)設(shè)計說明書

1、摘要 摘要冷沖模是沖壓加工工藝的裝備之一，被廣泛地運(yùn)用在汽車、飛機(jī)、電機(jī)、儀表以及在國防工業(yè)中。沖壓工藝具有生產(chǎn)效率高、生產(chǎn)成本低、材料利用率高、能成形復(fù)雜零件，適合大批量生產(chǎn)的優(yōu)點，在某些領(lǐng)域已取代機(jī)械加工，并正逐步擴(kuò)大其工藝范圍。因此，沖壓技術(shù)對發(fā)展生產(chǎn)、增強(qiáng)效率、更新產(chǎn)品等方面具有重要的作用。但同時，沖壓技術(shù)的推廣受到投入成本低，模具成本高，不適應(yīng)中小生產(chǎn)規(guī)模的特點。但是總的說來，隨著我國經(jīng)濟(jì)實力的進(jìn)一步加強(qiáng)，模具行業(yè)，包括冷壓模

2、一定會得到更普及地應(yīng)用冷沖模的設(shè)計包括沖裁模設(shè)計、彎曲模設(shè)計、拉伸、脹形等模具的設(shè)計。冷沖模的設(shè)計也用到材料學(xué)、機(jī)械設(shè)計、工程材料、特種加工等方面的知識。因此它是一門綜合性很強(qiáng)的學(xué)科。電機(jī)碳刷架的加工包括了沖孔、落料、和彎曲的加工。通過對沖孔模、落料模、彎曲模的學(xué)習(xí)，分析和比較了各加工工藝方案，完成了模具總體的結(jié)構(gòu)分析，進(jìn)行毛坯尺寸、排樣、工序尺寸、沖壓壓力、壓力中心、模具工作部分尺寸等工藝計算。繪制了裝配草圖并進(jìn)行零部件初步選用設(shè)計,

3、然后確定外形尺寸,選擇沖壓設(shè)備,繪制總的裝配圖和非標(biāo)準(zhǔn)的零件圖。在沖壓模的設(shè)計過程中，還必須考慮到模具的成本，因此在進(jìn)行選材，結(jié)構(gòu)設(shè)計時，必須盡量不去設(shè)計形狀復(fù)雜的結(jié)構(gòu)，同時采用鑲嵌式代替整體式的結(jié)構(gòu)。針對模具的定位要求高的特點，在零件的設(shè)計中必須要有比較高的加工精度要求?？偟囊痪湓?，必須在有高的模具壽命和滿足加工精度要求的基礎(chǔ) 上，盡量降低模具材料的成本，簡化模具的結(jié)構(gòu)，這樣才能有利于這個行業(yè)在我國的發(fā)展。

4、 關(guān)鍵詞 關(guān)鍵詞:沖孔模、落料模、彎曲模、尺寸、沖裁模、裝配圖 沖孔模、落料模、彎曲模、尺寸、沖裁模、裝配圖IAbstract AbstractThe Cold Stamping Die Design of the Brushless MotorAbstract Abstract：Cold punching mould that is used extensively among the all kinds die ,in

5、cluding punching hole mould, blanking die, bending mould, crooked model, conical die etc., The application of the cold punching die is more and more extensive in recent years. It is with low costs

6、 that there is the cold punchingly, product quality is steady, can process many kinds of performance , Part of the state. Its application and generallying receive the restriction in life-span of the mould an

7、d production safety,etc. at the same time . Author of this text proceed from rationality of the craft, analyse electrical machinery charcoal pastes up the structure of the shelf , Precision characteristic, an

8、d the control point in the course of processing, Consider and economize cost confirm electrical machinery charcoal brush blanking that shelf optimizes most process the process fully on the basis of satisfying the machini

9、ng accuracy; And then pass the processing characteristic familiar with all kinds of moulds and inside structure, Finish the ensemble architecture analysis of the mould ; Author carry on blank size, arrange kin

10、d, process size, punching pressure, pressure in the center afterwards, mould work some size,etc. craft calculate, Strive to design the structure of every part of the mould and assembly relation with the best cost perfor

11、mance, Confirm the appearance of the mould on this basis, has finished the installation diagram and non-standard part picture. Confirm the type of the press and main parameter finally. Keyword: punching hole mould;blanki

12、ng die;bending mould;punching press;punching machine. Keyword: Keyword: mould;blanking mould;blanking die;bending die;bending mould;punching mould;punching press;punching press;punching