三辊卷板机毕业设计2Word文件下载.docx

三辊卷板机毕业设计2Word文件下载.docx

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板机结构型式为三辊

对称式,在该结构中上辊下压提供压力,两下辊做旋转运动,为卷制板材提供扭矩。

它具有结

构简单、体积小、重量轻、经济、等优点。

动力源则选择了YZ系列YZ160L—6型电机，

其工作特性优于Y系列电机，适用于有轻微震动，正反转且转速不高的场合。

总体设计后

部分所涉及的减速器采用了三级展开式圆柱齿轮结构。

齿轮材料为40Cr，并经调质及表面

淬火。

校核齿轮、轴、键、轴承确保了设计的实际可行性。

关键词:

卷板机；

电动机；

减速器；

键；

齿轮

ThreeRollerBendingMachineDesign

Abstract

Thisdesignisaboutthethree-rollersymmwtryrollingmachine,mainlycalcatstheupand

downrollerandthedeceleratorDuringthefrontprocessofthedesign,therollingmachine`s

structucredesignandtheanalysisofstrengtharedescribed.Therollingmachine`structureis

three-rollersymmetry.Pressureprovidespressureunderowingstructuretheabove-average

roller,therollerdoesrevolutionsportundertwo,sheetmaterialprovidesmomentoftorsionto

roll

ofsystem.Ithasaseriesofadvantagessuchassimply

structure,small

volume,light

weight,economicalandsoon.YZtypeYZ-160L-6motorisselectedasthepowersource,which

adaptssituationsuchassliencequenchingandlightreversevelocity.Thelastpartofthepaperis

ahoutdeceleratorwhichischoosingtripleexpandingcolummgearconstiuction.Thematerialof

gearis40Crwhichhasbeenhardeningsurface.Thegears,axes,keys,bearingsarechecked,soto

confirmthisdesignispractical

Keywords:

Rollingmachine

；

Motor；

Decelerator；

Key；

Gear

III

目

录

1绪

论

.....................................................................................................................

1

1.1概述.......................................................................................................................1............

1.2卷板机的发展趋势..................................................................................................3.........

2般小型卷板机结构及特点分析 4

2.1辊卷板机................................................................................................................4...........

2.2三辊卷板机............................................................................................................5...........

2.2.1对称式三棍卷板机结构及特点.......................................................................5......

2.2.2不对称三辊卷板机特点.................................................................................5........

2.3方案的确定............................................................................................................6...........

3传动设计................................................................................................................

7

3.1传动方案的分析及确定..........................................................................................7.........

3.2主传动系统的确定..................................................................................................8.........

3.2.1

副传动系统的确定.........................................................................................8........

4动力设计................................................................................................................

9

4.1主电机的选择和计算..............................................................................................9.........

4.1.1上下辊的参数选择计算.................................................................................9........

4.1.2主电机的功率确定.......................................................................................1..0......

4.2上辊的设计计算校核............................................................................................2..0.......

4.2.1上辊结构设计及受力图................................................................................2..0......

4.2.2刚度校核.....................................................................................................2..0........

4.2.3上辊强度校核..............................................................................................2..1.......

4.2.4疲劳强度安全强度校核................................................................................2.1......

IV

4.2.5上辊在卸料时的校核...................................................................................2..2......

4.3下辊设计计算及校核............................................................................................2..3.......

4.3.1下辊结构及受力图.......................................................................................2..3......

4.3.2下辊刚度校核..............................................................................................2..4.......

4.3.3下辊弯曲强度校核.......................................................................................2..4......

4.3.4下辊疲劳强度校核.......................................................................................2..5......

5减速器的设计计算..............................................................................................

28

5.1传动方案的分析和确定........................