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硅鋼片正裝模
摘要（中文)
本模具設(shè)計(jì)題目為落料合模,此零件需一道工序完成，體現(xiàn)了復(fù)雜零件的設(shè)計(jì)要求,內(nèi)容及方向.具有一定的設(shè)計(jì)意義,通過對(duì)該零件模具的設(shè)計(jì)進(jìn)一步加強(qiáng)了設(shè)計(jì)者沖壓模具設(shè)計(jì)的基礎(chǔ)知識(shí),為設(shè)計(jì)更復(fù)雜的沖壓模做好了鋪墊和吸取了更深該的經(jīng)驗(yàn).
本設(shè)計(jì)運(yùn)用沖壓模具設(shè)計(jì)與制造工藝基礎(chǔ)知識(shí),首先分析了E形零件的外形,尺寸,精度要求,進(jìn)行了工藝分析,考慮到此零件形位要求較高,采用單工序模工藝方案.然后根據(jù)零件的外形尺寸計(jì)算毛坯總體尺寸,設(shè)計(jì)排樣圖及計(jì)算材料利用率及壓力中心最后計(jì)算出工作部分尺寸,模具總體尺寸,總體尺寸包括工作零部件的結(jié)構(gòu)設(shè)計(jì),卸料裝置的設(shè)計(jì)以及固定零件的設(shè)計(jì)與運(yùn)用.
本模具的特點(diǎn)是推板在彈頂器,頂桿的作用下,處于最上位置,定位板固定坯料,上模部分下降,用凸凹模成零件,用頂料裝置把工件頂出,開模時(shí)可使工件抬起,便于取件.
關(guān)鍵詞: 凸凹模
THE BENGDING DIE DESIGN
This mold design topic for the bending die, falls the material, the punch holes superposable die, this components need three working procedures to complete. Has manifested the complex components design request, the content and the direction. Has certain design significance, through further strengthened the elementary knowledge to this components mold design which the designer ramming mold designs, for designed more complex flushes the die to complete the upholstery and to absorb a deeper this experience.
This design utilization ramming mold design and the manufacture craft elementary knowledge, has first analyzed the end cover components contour, the size, the precision request, has carried on the craft analysis, considered this components are the circular components, is high to the proper alignment request, therefore uses the superposable die craft plan. Then the basis components external dimensions computation semifinished materials overall size, a design row of specimen map and the computation material use factor and the center of pressure last count is present at work makes the partial sizes, the mold overall size, the overall size including the work spare part structural design, the dumping device design as well as the fixed components design and the utilization.
This mold characteristic is the small end cover drawing, falls the material, the punch holes superposable die.
The formed push pedal goes against in the ball, under the roof bar function, is in on most the position, the nursery lives the semifinished materials, the top die part drops, the use convex-concave mold and the formed push pedal carry on the drawing and press the shape, the top die continue to drop, impel the formed push pedal to drop, this time by falls the material concave mold, the convex-concave mold carries on falls the material, then flushes the bottom hole. When formed push pedal and dead plate contact, then carries on the reshaping. Is loaded with 6 roof bars in the formed push pedal, operates when the mold may cause the work piece to lift, is advantageous for takes.
Key words: The bending die Superposable die
Falls the material convex-concave mold
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