江阴职业技术学院毕业设计说明书ABSTRACTThepackingmachineryisoneofnationaleconomyimportantindustrial,undertakesthelivesofthepeople,isprosperingthecityandcountrysidemarket,expandedexportationbringinginforeignexchangeincome,forthenationalconstructionaccumulatedcapitalimportanttask,topromotesthenationaleconomycoordinateddevelopmentandrealizestheoverallstrategictargetrelationswhichthenationaleconomyandthesocietydevelopstobeextremelyclose.Sincethereformandopenpolicy,ourcountrypackingprofessionhasobtainedtheconsiderabledevelopment,theappearancehashadthehugechange,alreadyformshasthesuitablescaleandthecertainlyeconomicallevel,theclassiscomplete,canbasicallysatisfythedomesticdemandalsotohavethecertainlyinternationalcompetitionabilitytheproductionsystem.Maysaylikethishasnotpackedthemachinerythedevelopmentnottohavethediverseproductwhichtodayprospers.Takeelectronictechnology,computertechnologyandsoonasrepresentative'shigh-techswiftandviolentdevelopment,notonlyurgednational'slivingstandardtoenhancedaybyday,aswellastheproductturnedtoanewgenerationcyclicalreducing,moreovercausedthemechanicalproducttheperformanceunceasingenhancementandtheconsummation.Thisespeciallyinthepackingmechanicalaspect,thecommoditylifeenhancementalreadycouldnotmeetpeople'sneeds,whatnowaremorewasadvocatesthespiritualcivilizationthewealth.Thepeoplehavenotliked80'ssuchonlytostrivefortofillthebelly,howdowenowpaygreatattentiontopursuingeachkindoffoodthehygienecondition?Whetherfacilitatesquickly?Alsosomepointalsoisattractiveoutsidewrappingcancauseperson'smoodtobehappy,thuscausestheappetitealsotobeableThisoursubjectpulledcloserisawayfrom.Nowthemarketusesmostpackingtypeistrilateralsealsthebagwhichsealswiththecenter.1第一章绪论第一章绪论1.1包装机械的地位与现状包装机械是国民经济的重要产业之一，承担着人民生活、繁荣城乡市场、扩大出口创汇、为国家建设积累资金的重要任务，对促进国民经济协调发展和实现国民经济与社会发展的总体战略目标关系极为密切。改革开放以来，我国包装行业得到了长足的发展，面貌发生了巨大的变化，已经形成有相当规模和一定经济水平、门类齐全、能基本满足国内需求又有一定国际竞争能力的生产体系。可以这样说没有包装机械的发展就没有今天繁荣的多样化的产品。以电子技术、计算机技术等为代表的高新技术的迅猛发展，不仅促使了国民的生活水