支架冲压工艺与模具设计毕业论文

沈阳大学毕业设计（论文）目录引言................................................................................................................................................31工艺分析和工艺方案确定.................................................................................................51.1冲压模的分类和结构型式..................................................................................................51.2冲模设计的步骤和内容......................................................................................................61.3设计任务..............................................................................................................................71.4工艺性分析..........................................................................................................................81.5工艺方案的分析和确定......................................................................................................91.6模具类型的选择................................................................................................................122级进模总体结构设计........................................................................................................132.1级进模总体结构方案........................................................................................................132.2排样设计............................................................................................................................132.3冲裁力和压力中心计算....................................................................................................162.4压力机选择........................................................................................................................182.5刃口尺寸的计算................................................................................................................193弯曲模总体结构设计........................................................................................................313.1模具总体方案设计............................................................................................................313.2弯曲力计算........................................................................................................................313.3弯曲模刃口尺寸计算........................................................................................................313.4模具零件的结构分析........................................................................................................334级进模零件设计..................................................................................................................344.1工作零件的结构设计........................................................................................................344.2导向零件和紧固件的选择................................................................................................354.3选择坚固件及定位零件....................................................................................................364.4出件和卸料方式的选择....................................................................................................374.5模架类型的选择................................................................................................................374.6模柄的选择........................................................................................................................38结论..............................................................................................................................................39致谢..............................................................................................................................................40参考文献....................................................................................................................................41沈阳大学毕业设计（论文）No1摘要模具在当代工业发展中扮演着很重要的角色，模具工业具有很强的推动力，推动着社会进步，推动着民族工业的发展。通过对该模具零件的设计，进一步培养了设计者综合运用多学科理论并加以创造，来解决实际生产中遇到比较麻烦问题的能力。本课题研究支架的精密冲压模具的设计，通过对工件的分析比较确定采用级进模﹑弯曲模进行生产。级进模的采用好处就是可以提高工件的生产效率，节省人力、物力，能尽早实现机械加工的自动化。再加上级进模加工时操作方便，能保证施工人员的安全，比较适合大批量生产。但是采用级进模就要考虑条料的精确定位问题，还有级进模结构复杂，工件的加工时间比较长，工件的加工成本也较高等问题。因此，综合每一个原因，针对性的对级进﹑弯曲模开展探讨课题是特别有研究价值的。本课题的内容包括级进模和弯曲模的排样设计、凸模设计、凹模设计、冲裁力计算、冲压机构的选择、压力中心的确定，冲压模具的刃口尺寸大小的确定和卸料装置、出件结构的设计等，并根据设计要求对各个工件进行了详细的计算。保证各个部件部件的配合合理。关键词：模具设计；冲压模具；级进模；弯曲模No2AbstractMoldplaysincontemporaryindustrialdevelopmentaveryimportantrole,moldindustryhasastrongpushinthesocialadvancementanddevelopmentofnationalindustry.Thedesignofthemoldpartsthroughfurthertrainingadesignerintegrateduseofmulti-disciplinarytheoriesandtocreate,theabilitytosolvepracticalproblemsencounteredintheproductionoftoomuchtrouble.Theresearchstentprecisionstampingdiedesign,throughanalysisandcomparisonoftheworkpieceisdeterminedusingprogressivedie,bentmoldproduction.ProgressiveDieadoptionbenefitisthattheworkcanincreaseproductivityandsavemanpower,materialresources,canbeautomatedmachiningassoonaspossible.Coupledwiththehigherfeed-processingoperationataconvenienttime,toensurethesafetyofconstructionworkers,moresuitableformassproduction.However,wemustconsidertheuseofprogressivediestripofpinpointproblems,aswellasprogressivediestructurecomplexworkpiecemachiningtimeislonger,higherprocessingcostsofthe