飲水機出水口把手的塑料注射模具設計論文[帶圖紙].doc

西安工業(yè)大學北方信息工程學院本科畢業(yè)設計(論文)題目：飲水機出水口手把的塑料注射模具設計系別：機電信息系專業(yè)：機械設計制造及其自動化班級：學生：學號：指導教師：2013年05月本科畢業(yè)設計(論文)題目：飲水機出水口手把的塑料注射模具設計系別：機電信息系專業(yè)：機械設計制造及其自動化班級：學生：學號：指導教師：2013年05月I飲水機出水口手把的塑料注射模具設計摘要本文基于CAD技術對飲水機出水口手把注塑模具進行了設計。通過對塑件的結構分析，確定了可行的總體設計方案。運用Pro.E軟件對塑件進行建模，使用并且對模具進行了分析，優(yōu)化了澆口位置。根據(jù)塑件結構，采用側澆口的雙分型面結構，模具采用一模兩腔，且模具采用斜導柱抽芯機構以及推件板推出機構。同時，詳細地敘述了模具成型零件包括型芯、型腔的尺寸計算過程以及各重要機構的設計過程。設計方案在保證塑件質(zhì)量與模具結構合理的前提下盡量做到模具的結構簡單、成本低、易加工、使用性好。最后則是模具的裝配環(huán)節(jié)，包括制定裝配步驟、明確注意事項等。通過本設計，可以對注塑模具有一個初步的認識，注意到設計中的某些細節(jié)問題，了解模具結構及工作原理；通過對AutoCAD的學習，可以建立較簡單零件的零件庫，從而有效的提高工作效率。關鍵詞:開關把手；注塑模；CAD；雙分型面IIWatercooleroutlethandleplasticinjectionmolddesignAbstractThisarticleisbasedonCADtechnologyforwaterdispenseroutlethandleinjectionmolddesign.Byanalyzingthestructureofplasticparts,thefeasibleoveralldesignschemeisdetermined..UsingtheProEsoftwareformodeling,plasticpartsandthedieareanalyzed,andoptimizethegatelocation.Accordingtoplasticpartsstructure,usethesidegatedoublepartingsurfacedesignofmouldwithonemoduleandtwocavities,andthemouldadoptstheinclinedguidepillarcore-pullingmechanismandpushplatetolaunch.Atthesametime,themoldingpartsaredescribedindetailincludingthesizeofthecoreandcavitycalculationprocessandthedesignprocessoftheimportantinstitutions.Designschemeinguaranteethequalityofplasticpartsandmouldstructureisreasonableunderthepremiseoftrytodothemouldstructureissimple,lowcost,easyprocessingandgoodusability.Keywords:Waterdispenserswitchhandle；Injectionmold；CAD；DoublepartingsurfaceIII目錄1緒論.............................................................................................................12產(chǎn)品工藝性分析.........................................................................................32.1產(chǎn)品材料分析.....................................................................................................32.2塑件結構和尺寸精度分析.................................................................................52.2.1其塑件的產(chǎn)品結構圖如下：...................................................................52.2.2產(chǎn)品形狀分析...........................................................................................63模具結構設計.............................................................................................93.1總體方案擬訂.......................................................................................................93.1.1型腔數(shù)目的確定.......................................................................................103.1.2分型面的設計.........................................................................................103.2注射機的選擇.......................................................................................................113.3型腔數(shù)目的校核..................................................................................................123.4澆注系統(tǒng)設計......................................................................................................123.4.1主流道的設計...........................................................................................133.4.2分流道的設置.........................................................................................143.4.3澆口設計.................................................................................................143.4.4冷料穴設計.............................................................................................153.5成型零件的結構設計..........................................................................................163.5.1定模板的結構形式....................................................................................163.5.2動模板的結構形式...................................................................................173.5.3型芯的結構形式如下：...........................................................................173.6模具溫度調(diào)節(jié)系統(tǒng)...........................................................................................203.6.1溫度調(diào)節(jié)對塑件質(zhì)量的影響.................................................................203.6.2溫度調(diào)節(jié)對生產(chǎn)力的影響.....................................................................213.6.3模具加熱和冷卻系統(tǒng)的計算.................................................................213.7頂出系統(tǒng)的設計...............................................................................................243.7.1澆口凝料的頂出.....................................................................................243.7.2塑料件的頂出.........................................................................................253.8導向機構的設計..................................................................................................263.8.1.導向機構的功用........................................................................................263.8.2、導向機構的設計.....................................................................................263.8.3承受一定的側向壓力.............................................................................27