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河南機(jī)電高等?？茖W(xué)校
墊片沖壓成型工藝及模具設(shè)計
摘要：本設(shè)計的題目為墊片沖壓成形工藝及模具設(shè)計的設(shè)計,體現(xiàn)了薄板類沖裁零件的要求、內(nèi)容及方向，有一定的設(shè)計意義。通過對該零件模具的設(shè)計，進(jìn)一步加強(qiáng)了本人沖壓模設(shè)計的基礎(chǔ)知識，為設(shè)計更復(fù)雜的沖壓模具做好了鋪墊和吸取更深刻的經(jīng)驗。
本設(shè)計運(yùn)用沖壓成形工藝及模具設(shè)計的基礎(chǔ)知識，首先分析了沖裁件的沖壓工藝性，為確定沖裁工藝方案做好了準(zhǔn)備；然后計算沖裁力和模具刃口尺寸，便于選取壓力機(jī)及確定工作零件的尺寸和結(jié)構(gòu)；最后分析了制件的特征，確定模具的設(shè)計參數(shù)、設(shè)計要點(diǎn)及推件裝置的選取。
本沖裁件上孔為非規(guī)則形狀的孔,為了便于沖孔凸模的加工，所以在設(shè)計時把沖孔凸模設(shè)計成直通式,然后,將其鉚接在凸模固定板上。此外,該制件的尺寸較大,為保證凹模的加工精度,在設(shè)計時應(yīng)將其設(shè)計成凹模組件。為了方便制件的取出，本副模具采用倒裝結(jié)構(gòu)形式,同時,為了簡化模具結(jié)構(gòu)采用彈性推件裝置。
關(guān)鍵詞： 沖壓模 倒裝復(fù)合 凹模組件 彈性推件
Gasket stamping forming process and die design
Abstract ：The design was entitled Tension pulley die stamping design the basis of design, reflects the thin parts like punching the request, the contents and direction of a certain design significance. Parts of the mold through the design, has further strengthened my stamping die design of the basic knowledge for the design of more complex stamping die to pave the way and the lessons more profound experience.
The use of the design process and die stamping forming the basis of design knowledge and analysis of the first blanking of the stamping process, to determine blanking of the programme prepared for and then calculating punching power and size Die Cutting Edge, For selected press and determine the size and structure of parts of the last parts of the characteristics of the design parameters established mold, design features and pushing the select pieces of equipment.
Blanking of the rules on the shape of the non-hole hole, in order to facilitate the processing punch punching, punching in the design of the punch designed as a straight-through processing, and then, riveting in its punch fixed board. In addition, the larger the size of the parts, to ensure the accuracy of processing die, the design should be designed to die components. To facilitate the removal of parts, the Vice-use flip-die structure, at the same time, in order to simplify the structure adopt a flexible mold push pieces of equipment.
Keywords：stamping die, flip-composite, die components, flexible pieces of pushing