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1、I工業(yè)點(diǎn)焊機(jī)的設(shè)計(jì)摘要點(diǎn)焊機(jī)又稱電阻焊機(jī)，是利用被焊工件的自身的電阻，在局部通過(guò)大電流產(chǎn)生高溫而使工件熔接起來(lái)的焊接設(shè)備。由于熱量來(lái)源于工件的內(nèi)部，因此電阻焊機(jī)有著廣泛的運(yùn)用。我國(guó)電阻焊技術(shù)經(jīng)歷了工頻交流、直流脈沖、三相低頻、次極整流、微機(jī)控制和質(zhì)量監(jiān)控技術(shù)水平的提升過(guò)程。目前，我國(guó)采用微機(jī)控制的次極整流的點(diǎn)/縫焊機(jī)、帶恒流輸出的質(zhì)量控制電阻焊機(jī)的應(yīng)用已較為普遍，電阻焊質(zhì)量控制理論和技術(shù)、各種通用及專用電阻點(diǎn)/縫焊機(jī)、成套設(shè)備的研究和應(yīng)用已較為普遍和成熟，接近國(guó)際先進(jìn)水平。本課題主要要求設(shè)計(jì)一種工業(yè)用點(diǎn)焊機(jī)。此種點(diǎn)焊機(jī)主要用在機(jī)加車間，對(duì)焊接件進(jìn)行點(diǎn)焊，
2、以完成零件的焊接固定。此種設(shè)備可以完全取代原有的手工操作，大大提高了零件加工的生產(chǎn)效率。關(guān)鍵詞：點(diǎn)焊機(jī)，電阻焊，焊接，結(jié)構(gòu)設(shè)計(jì)IIndustrialspotweldingmachineABSTRACTAlsoknownasresistancespotweldingmachine,welderwasusingpiecesoftheirownresistance,inthelocalheatgeneratedthroughthehigh-currentweldingofworkpiecesupweldingequipment.Asaresultofinter
3、nalheatfromtheworkpiece,sohaveawiderangeofresistanceweldingmachinetouse.ResistanceweldingtechnologyinChinahasexperiencedtheexchangefrequency,DCpulse,three-phaselow-frequency,secondaryrectification,microprocessorcontrolandqualitycontroloftheprocesstechnologylevel.Atpresent,theuseo
4、fmicrocomputer-controlledsecondaryrectificationpoint/sewingmachine,withconstantcurrentoutputofthequalitycontroloftheapplicationofresistanceweldingmachinehasbeenmorewidespread,resistanceweldingqualitycontroltheoryandtechnology,avarietyofgeneralandresistancespotweldingmachinededica
5、ted/professionalresistanceseamweldingmachineslitwelder,completesetsofequipmentforresearchandapplicationsaremorecommonandmature,closetointernationaladvancedlevel.Themainrequirementofthetasktodesignaspotwelderforindustrialuse.Suchaspotweldingmachineusedinthemainworkshop,conductedon
6、thespotweldingparts,weldingpartstocompletefixed.Suchequipmentcancompletelyreplacetheexistingmanualoperation,greatlyimprovingtheproductivityofmachining.KEYWORDS:SpotWelder，ResistanceWelding，Welding，StructuralDesignI目錄摘要…………………………………………………………………………………………ⅠABSTRACT…………………………………………………
7、…………………………………Ⅱ1緒論11.1點(diǎn)焊機(jī)概述11.2國(guó)外電焊機(jī)科技水平的現(xiàn)狀和發(fā)展11.3國(guó)內(nèi)點(diǎn)焊機(jī)行業(yè)的發(fā)展動(dòng)向11.4課題的目的與意義22工業(yè)點(diǎn)焊機(jī)的分類與組成22.1點(diǎn)焊機(jī)的分類22.2點(diǎn)焊機(jī)的基本組成33點(diǎn)焊工作原理及傳動(dòng)方案的確定43.1點(diǎn)焊機(jī)工作原理簡(jiǎn)述43.1.1點(diǎn)焊機(jī)工作流程簡(jiǎn)述53.1.2點(diǎn)焊的工作原理及影響因素63.2傳動(dòng)系統(tǒng)的設(shè)計(jì)要求93.3傳動(dòng)方式的確定94點(diǎn)焊機(jī)主要零部件選型114.1電動(dòng)機(jī)的選擇114.1.1步進(jìn)電動(dòng)機(jī)簡(jiǎn)述114.1.2步進(jìn)電機(jī)的應(yīng)用114.1.3步進(jìn)電動(dòng)機(jī)的選擇124.2氣缸的選擇134.3同步帶輪的
8、選擇154.3.1同步帶輪的表示方法154.3.2同步帶輪規(guī)格的選擇164.3.
