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XX學(xué)院 畢業(yè)設(shè)計(jì)論文
摘要
隨著中國(guó)工業(yè)不斷地發(fā)展，模具行業(yè)也顯得越來(lái)越重要。本次畢業(yè)設(shè)計(jì)的任務(wù)是蓋冒墊片沖壓工藝分析和模具的具體結(jié)構(gòu)設(shè)計(jì)。通過(guò)查閱了相關(guān)文獻(xiàn)資料，對(duì)接觸片零件進(jìn)行工藝性分析，選擇并確定符合于給定條件的最優(yōu)工藝方案，及進(jìn)行了工藝與設(shè)計(jì)的有關(guān)計(jì)算，如：選擇基本工序，確定其順序、工序數(shù)目及工序組合形式。介紹了主要零部件的設(shè)計(jì)理念，詳細(xì)剖析了設(shè)計(jì)過(guò)程中一些思路，以及某些非標(biāo)準(zhǔn)零件的使用特點(diǎn)。闡述了復(fù)合模的設(shè)計(jì)要點(diǎn), 使產(chǎn)品質(zhì)量達(dá)到設(shè)計(jì)要求。然后以此為基礎(chǔ)，設(shè)計(jì)出沖壓模具主要零件的結(jié)構(gòu)。并在設(shè)計(jì)中，介紹了零件的排樣圖、定位設(shè)計(jì)、沖裁力的計(jì)算和壓力中心的計(jì)算。
關(guān)鍵詞：蓋冒墊片 模具設(shè)計(jì) 復(fù)合模 沖壓工藝
With the continuous development of Chinese industry, the mold industry has become increasingly important. The graduation project's mission is to take cover gasket stamping process analysis and design of the specific structure of the mold. By consulting the relevant literature, parts of the contact plate process analysis, selection and determine the conditions found at the given optimum solution, and carried out the calculation and design process, such as: choice of basic processes, determine their order, the number of processes and process combinations. Introduced the main components of the design concept, detailed analysis of the design process, some ideas, and some non-standard parts to use features. Describes the design features of the composite model, so the product quality to meet the design requirements. Then this basis, design the structure of the major parts stamping die. And in the design, the layout of parts described map, locate the design, calculation and blanking force center of pressure calculations..
Keywords: Take cover gasket Mold Design Compound Die Stamping process
目錄
1緒論 5
1．緒論 1
1.1沖壓的概念、特點(diǎn)及應(yīng)用 1
1.2沖壓的基本工序及模具 2
1.3沖壓技術(shù)的現(xiàn)狀及發(fā)展方向 3
2．工件工藝性分析 10
2.1拉深工藝及拉深模有設(shè)計(jì) 10
2.2有凸緣圓筒形件的拉深方法及工藝計(jì)算 11
2.3寬凸緣圓筒形件的工藝計(jì)算要點(diǎn) 12
2.4拉深凸模和凹模的間隙 13
2.5拉深凸模，凹模的尺寸及公差 13
2.6凹模圓角半徑 15
2.7凸模圓角半徑 15
3．沖裁工藝及沖裁模具的設(shè)計(jì) 17
3.1凸模與凹模刃口尺寸的計(jì)算 17
3.2凸、凹模刃口尺寸的計(jì)算方法 17
3.2.1落料 18
3.2.2沖孔 19
3.2.3凹模洞的類(lèi)形 19
3.2.4凹模的外形尺寸 19
4．模具的其它零件 22
4.1模架 22
4.2模柄 23
4.3卸料板 24
4.4彈頂和推出裝置 25
4.5導(dǎo)向裝置（導(dǎo)柱 導(dǎo)套） 25
4.6固定零件（固定板、墊板） 27
4.7連接零件 27
5．主要組件的裝配 30
6．模具的工作過(guò)程 30
體會(huì) 33
參考文獻(xiàn) 35
3