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支撐板沖壓工藝及模具設(shè)計(jì)
摘要
模具是工業(yè)生產(chǎn)中使用廣泛的基礎(chǔ)工藝裝備。模具生產(chǎn)制造中所表現(xiàn)出來(lái)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不能比擬的。模具技術(shù)水平的高低已經(jīng)成為衡量一個(gè)國(guó)家制造水平高低的重要標(biāo)準(zhǔn)，并在很大程度上決定著產(chǎn)品的質(zhì)量、效益和新產(chǎn)品的開(kāi)發(fā)能力。本設(shè)計(jì)課題是支撐板零件沖壓工藝及模具設(shè)計(jì)，主要包括落料沖孔復(fù)合模及其彎曲模設(shè)計(jì)。本設(shè)計(jì)說(shuō)明書(shū)主要闡述了支撐板落料沖孔復(fù)合模及其彎曲模的設(shè)計(jì)步驟過(guò)程。
支撐板復(fù)合模采用倒裝式結(jié)構(gòu)，具有操作方便安全，生產(chǎn)效率高優(yōu)點(diǎn)。該部分設(shè)計(jì)包括了對(duì)支撐板的沖裁工藝性分析；工件的排樣與搭邊計(jì)算；沖壓力及沖壓中心的計(jì)算；對(duì)模具主要零件的設(shè)計(jì)，如沖裁間隙的選擇、凸模、凸凹模和凹模刃口部分尺寸計(jì)算、機(jī)構(gòu)尺寸的確定；對(duì)模具標(biāo)準(zhǔn)件的選用分析，目前，模具零件大多已經(jīng)標(biāo)準(zhǔn)化，設(shè)計(jì)時(shí)選用標(biāo)準(zhǔn)件，如模架主要零部件：導(dǎo)柱、導(dǎo)套、上下模座、彈性元件等。根據(jù)沖壓力的計(jì)算進(jìn)行了壓力機(jī)的選擇。
彎曲模的設(shè)計(jì)與復(fù)合模的設(shè)計(jì)類(lèi)似，彎曲模結(jié)構(gòu)上略為簡(jiǎn)單。這部分設(shè)計(jì)內(nèi)容包括支撐板彎曲工藝分析；彎曲力計(jì)算；對(duì)彎曲后工件彎曲回彈量計(jì)算；彎曲模主要零件的設(shè)計(jì)，即凸模和凹模工作部分尺寸的計(jì)算，結(jié)構(gòu)尺寸的設(shè)計(jì)。對(duì)模具標(biāo)準(zhǔn)件的選用分析，如模架主要零部件，導(dǎo)柱、導(dǎo)套、上下模座、墊板、固定板等。
關(guān)鍵詞：沖壓工藝，落料沖孔，復(fù)合模設(shè)計(jì)，彎曲模設(shè)計(jì)
Stamping technology and Die design of the Support Plate
Abstract
Die industrial production is the use of broad-based technology and equipment. Mold parts demonstrated by the high complexity, high consistency, high productivity and low consumption or other processing methods can not be compared. Die technology has become the level of a country is level of the important manufacturing standards and to a large extent determine the quality, effectiveness and capability to develop new products. The design issue is support plate stamping process and die design, including blanking punching and bending compand die design. This paper described the support plate blanking of punching and bending die-step process of design.
Support plate of a flip-style structure, easy to operate with safe, high-productivity advantage. The design includes some of the support plate blanking of the analysis; parts of the layout and take-calculated and ram-pressure center of the calculation; Die major parts of the design, such as punching gap choice, punch, Tuao Mould and Die edge of the size, structure size to be confirmed; die on the selection of standard parts, at present, most of mold parts have been standardized, the design criteria of selection, such as die-main parts have been standardized, the design criteria of selection, such as die-main parts, I.-I. Case,-Block, from top to bottom, flexible components, and so on. According to the calculation-pressure presses a choice.
Bending Die Design and the design of a similar model, slightly bending die on the simple structure. This part of the design include support plate bending process analysis; bending of the calculation; bending after the rebound in terms of bending the workpiece; bending die major parts of the design, that is, punch and die work of the calculation of the size, structure size of the design. Die standard part of the selection of major components such as die-I.-I。Case, from top to bottom-Block, Dianban the fixed plate, and so on.
Keywods: Stamping Process, Blanking Piercing, Design of Piercing Compound mold , Design of Bending mold