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1、3150KN专用液压机的液压系统设计摘要本机器适用于一般金属压制、塑料、粉末冶金压制、可塑型材料的压制工艺。它由主机及控制机构两大部分组成,通过管路及电气装置联系起来构成一整体。主机部分包括机身,主缸,顶出缸及充液装置等组成。控制机构包括动力机构,上下限程装置,管路及电气箱等部分组成。其液压系统由能源转换装置(泵和油缸),能量调节装置(各种阀)以及能量输送装置(油箱,充液油箱,管路)等组成。本机器的工作压力,压制速度,空载快速下行和减速的行程范围均可根据工艺需要进行调整,并能完成顶出工艺,不带顶出工艺,拉伸工艺三种工艺方式。本机器主机呈长方形,外型新颖美观,动力系统结构简单,紧凑,
2、动作灵敏可靠,并可实现调整,手动及半自动三种操作方式。整机均提供了典型的工艺动作即上滑块快速下行、慢速加压、保压延时、快速回程与停止。下缸活塞顶出、退回或浮动压边下行、停止、顶出。由于增设了下缸活塞浮动压边下行的工艺动作,就可利用顶出缸做液压垫,利用倒拉伸工艺实现金属薄板拉神成型的工艺要求。关键词压制;液压系统;压边3150KNSpecialHydraulicMachineHydraulicSystemDesignAbstractThemachineryforgeneralsuppressionofmetalplastic,powdermetallurgysuppression,p
3、lasticmaterialscansuppresstheprocess.Itconsistsofhostandcontrolmostofthetwoinstitutions,throughpipelinesandinstallationslinkedtoconstituteawhole.Includingthehostpartofthefuselage,themaintank,atanktopandliquid-filleddevices,andothercomponents.Controlagencies,includingforce,themaximumandminimuml
4、evels-devices,pipesandelectricalboxesandothercomponents.Itshydraulicsystembytheenergyconversiondevices(pumpsandfueltanks),energy-conditioning(allvalve)andenergytransmissiondevices(fueltank,liquid-filledtank,piping)composed.Themachinesworkpressure,thesuppressionofspeed,no-loadfastandslowdownthe
5、scopeoftheitinerarycanbeadjustedinaccordancewiththeneedfortechnologyandtop-outprocesscanbecompleted,withoutaroofprocess,drawingprocessofthreeways.Thehostwasrectangularmachines,newaestheticappearance,thepowersystemusedcartridgevalve,thestructureissimple,compact,sensitiveandreliableaction,andtoa
6、chieveadjustment,thethreesemi-automaticandmanualmodeofoperation.offerofatypicalactionthatisrapidlydescendingontheslider,slowpressure,Baocalendar,withtherapidreturntostop.Thecylinderpistontothetop,back-pressureorfloatingdown,stop,tothetop.Asprovidedunderthepressurecylinderpistonfloatingdownthes
7、ideofaction,wecanmakeuseofhydrauliccylinderstothetoppad,usinginverteddrawingprocesstoachievesheetmetalformingthepullofGoddemands.Keywordssuppressed;hydraulicsystem;Pressure目录摘要IAbstractII第1章绪论11.1背景11.2国内外液压机技术发展状况及发展趋势11.2.1国内外液压机发展状况2