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帶料切口連續(xù)拉深級(jí)進(jìn)模具設(shè)計(jì)

摘 要：帶料連續(xù)拉深分無(wú)工藝切口拉深和有工藝切口拉深，有工藝切口連續(xù)拉深就是在首次拉深前，帶料上個(gè)工序之間切開一個(gè)工藝切口，這樣當(dāng)首次和以后各次拉深時(shí)，兩次工序間的相互影響、相互約束較小，但相對(duì)的，耗費(fèi)的材料較多。
以薄壁寬凸緣筒形件生產(chǎn)為例，設(shè)計(jì)一例連續(xù)模，首先對(duì)零件進(jìn)行工藝分析，有拉深，沖孔，翻邊，落料工序，每個(gè)工位之間都有尺寸關(guān)系，因?yàn)槭谴螽a(chǎn)量的小型筒形拉深件，一般采用帶料連續(xù)拉深。采用普通的單工序?；驈?fù)合模沖制生產(chǎn)的話，需多副模具、多臺(tái)沖床、多個(gè)操作人員才能完成全部工序的沖壓制造而且產(chǎn)品質(zhì)量和生產(chǎn)效率都低。故選多工位級(jí)進(jìn)模具的生產(chǎn)工藝方案，可以提高材料的利用率和模具的使用水平，節(jié)省設(shè)備。其次經(jīng)過計(jì)算分析確定工藝方案完成該模具的排樣設(shè)計(jì)，凸、凹模工作部分的設(shè)計(jì)計(jì)算，還有模具結(jié)構(gòu)和工藝零件設(shè)計(jì)。
關(guān)鍵詞：工藝性分析，工藝計(jì)算，排樣，級(jí)進(jìn)模，工藝切口。

Design of Continuous Drawing Progressive Die for Material with Incision

Abstract：Strip continuous deep drawing process of drawing and process without incision incision drawing, process notch continuous drawing is in the first drawing, a strip of material processes a process between incision incision, such that when the first and later the drawing, the two processes of mutual influence, mutual constraint is smaller, but the relative, spend more material.
According to the thin wall Wide-flange cylindrical parts production as an example, a design of progressive die, the first parts of the process analysis, there is deep drawing, punching, flanging, blanking process, each station has the size relations, because it is high yield small cylindrical deep drawing parts, generally use the strip continuous deep drawing. Using the ordinary single-operation die or compound die punching production, need to die, punch, a plurality of operating personnel can complete all processes of stamping manufacturing and product quality and the production efficiency is low. The multi- progressive die for the production process, can improve the utilization ratio of materials and mold level of use, saving equipment. Secondly, through calculation and analysis to determine the process plan to complete the mold layout design, convex, concave die part of the design calculation, and the die structure and process design.
Key words：Process analysis, Process calculation, Nesting progressive, Die Process incision.