CN1404555A - 用于叶片真空泵的塑料叶片 - Google Patents

用于叶片真空泵的塑料叶片 Download PDF

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Publication number
CN1404555A
CN1404555A CN01802827A CN01802827A CN1404555A CN 1404555 A CN1404555 A CN 1404555A CN 01802827 A CN01802827 A CN 01802827A CN 01802827 A CN01802827 A CN 01802827A CN 1404555 A CN1404555 A CN 1404555A
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Prior art keywords
blade
vane
vacuum pump
termination parts
plastic
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CN01802827A
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CN1230625C (zh
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W·哈赛尔特
L·卡德杜
M·皮洛内
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Robert Bosch GmbH
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Robert Bosch GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • F01C21/0881—Construction of vanes or vane holders the vanes consisting of two or more parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F04C18/3442—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the inlet and outlet opening

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

叶片真空泵(10)有一个转子(13)，里面纵向设置了塑料叶片，至少有一个端头部件(22、23)卡放在泵外壳(11)的壳体内壁(16)上。叶片(15)的本体(21)是用热固塑料制成并通过压铸工艺与热塑性塑料制成的端头部件(22、23)组装成一体。本体(21)采用这种材料后取得了很高的机械强度，端头部件(22、23)采用这种材料后取得了很高的耐磨强度和较低的摩擦系数。叶片真空泵可以与真空制动增力器结合应用在汽车上。

Description

用于叶片真空泵的塑料叶片
技术状况
本发明涉及一种专利要求1中所定义的用于叶片真空泵的塑料叶片。
DE-GM 75 03 397介绍了一种装有塑料薄片或叶片的叶轮压气机。安装在叶轮压气机转子上的那部分叶片是用较小质量的原材料制成，而与设置在压气机壳内壁的叶片端部是用高耐磨的材料制成。各部分的叶片分开制作并用粘接
铆焊方法相互连接在一起。另外也可以在生产工艺中将叶片的这两端挤压在一起。由多部分组合而成的叶片有一个缺点，叶片上各部分的误差会相加在一起。如果按这种方法用高耐磨材料制作叶片的两端是非常不利的。这样制成的薄片或叶片插入转子，其两端密封地卡在外壳上，如US 38 77 851中的实例所示。
本发明的优点是：
具有专利要求1特点的叶片具备一些优点，其一是，不用组装分开生产的单个部件，其二是，使用压铸机具生产出的叶片形状误差非常小。
通过专利分项要求中所说的方法，能够更好地装配和改善专利要求1中所说的叶片。
叶片结构具有专利要求2中所叙述的造型，首先用压铸或模压制成叶片本体，然后放入一个相同的或者分开的压铸机具中将叶片端部压制成型。
就这点而言，本发明按照专利要求3进行的改进是有利的，一方面通过减少端部材料的收缩影响来改善叶片形状的精度，另一方面如果叶片端部的原材料昂贵还可以降低叶片的成本。
专利要求4中所说的方法展示出用简单方法生产叶片时与叶片部件产生的关系，特别是当用叶片本体和叶片端头部件所使用的材料不能达到材料连接(Stoffschluss)的要求时。
用专利要求5中所说的方法对叶片进行热处理，尽可能达到的分子结构的空间排列聚合度来提高叶片的强度，并降低材料组织中的应力使叶片的几何形状稳定以及避免再收缩。
图
在本图中以简化方式示出了本发明的实施例并在下文中进行了详细解释。图1示出了仅带有一个叶片的叶片真空泵的立体图，图2示出叶片本体立体图图3同样也示出了安装好叶片两个端头之后的立体图。
实施例说明
图1展示的叶片真空泵10有一个没加盖板的泵壳11，带有一个内腔12，里面偏心设置了一个可驱动的转子13。为转子13设计了一个与塑料叶片15纵向移动(装置)呈横向的开槽14。叶片15可以滑动地以及密封地卡在外壳内壁16，正面壁17以及没有示出的泵壳11的盖板上。另外泵壳11示出一个带有从外壳接入内腔12汇入口19的吸入管道18以及正面的一个(排)出口20。吸入管道18是与没有示出的汽车刹车装置上的一个真空制动增力器相连接。叶片真空泵10的功能众所周知，在此无须赘述。
薄片形状的叶片15是用塑料制成。图2中示出的叶片本体21是用热固塑料制成。它是用一种玻璃纤维增强的苯酚—酚醛清漆—模塑材料或者具有可对比性的材料通过压铸或模压而成。这种材料由于具有很高的机械性和动力性承载能力和耐油性能而著称。它的材质性能在-40℃至+150℃的温度范围内持续稳定。这种材料的收缩性能对真空泵10的寿命影响很小。可以用对叶片本体21进行几个小时的退火(锻化)的方法来改善所说的这种热固塑料的材料性能。
叶片15装有制成型的端头部件22和23，是用耐高温的热塑性塑料制成，例如：用多芳基乙醚酮(Polyaryletherketon)(PEEK)或者具有可对比性能的材料制成。用专门制成的组合填料加工过的塑料具有很高的磨损强度和较低的摩擦系数。端头部件22和23可以用压铸方法与叶片15的本体21组装成一体。为此将设计有与其宽面24，25及其狭窄面26，27相对排列的端头断面(Endabschnitten)28和29(参看图2)的叶片本体21放入机具模型并用上述热塑材料补充加工成图3示出的形状。从而使叶片15的两个端头部件22和23构成了非常薄的半圆柱形的壳，它包住了叶片本体21的端部断面28和29形成了滑动层并至少可用叶片本体21的狭窄面26，27进行平面封闭。
由于叶片本体21和叶片15的两个端头部件22和23所使用的塑料不允许进行完全的材料连接(Stoffschluss)，所以对上述叶片15的结构形状作了规定，来达道所述部分与叶片15的本体相连接。因此在叶片本体21的端头断面28和29的半圆形或3/4圆形的截面上设计了三个纵向直形槽30，在压铸过程中让端头部件22和23的材料占据这些槽。采用这种方法可以防止端头部件22和23从叶片15的本体21上掉下或脱落。
与上述叶片15的生产工艺不同之处是，叶片本体21的退火不能有碍于端头部件22和23与叶片本体的组装。
这种生产工艺也可以应用于叶片真空泵，其中使用了仅带一层端部滑动覆盖层的叶片。

Claims (5)

1.用于叶片真空泵(10)的塑料叶片(15)，其被纵向设置在转子(13)中，并至少有一个端头部件(22、23)滑动地卡在泵壳(11)的内壁(16)上，其中叶片(15)的本体(21)和它的端头部件(22、23)用不同的材料制成，其中端头部件(22、23)的材料具有较高的耐磨强度，其特征在于，叶片(15)的本体(21)是用热固塑料制成，而其端头部件(22、23)是用热塑性塑料制成，用压铸方法将这些部件组装在一起。
2.据权利要求1所述的叶片，其特征在于，依据叶片(15)本体(21)的形状用压铸工艺生产出端头部件(22、23)。
3.据权利要求1或2所述的叶片，其特征在于，叶片(15)端头部件(22、23)的厚度很薄。
4.据权利要求1或2所述的叶片，其特征在于，叶片(15)的本体(21)和端头部件(22、23)是通过形状吻合而相互连接在一起。
5.据权利要求1或2所述的叶片，其特征在于，叶片(15)的本体(21)在压铸端头部件(22、23)之前或之后进行退火。
CNB018028276A 2000-09-21 2001-09-19 用于叶片真空泵的塑料叶片 Expired - Lifetime CN1230625C (zh)

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DE10046697A DE10046697A1 (de) 2000-09-21 2000-09-21 Flügel aus Kunststoff für eine Flügelzellen-Vakuumpumpe
DE10046697.4 2000-09-21

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US (1) US6655937B2 (zh)
EP (1) EP1322864B1 (zh)
JP (1) JP2004509289A (zh)
CN (1) CN1230625C (zh)
DE (2) DE10046697A1 (zh)
ES (1) ES2217196T3 (zh)
HU (1) HU222979B1 (zh)
WO (1) WO2002025113A1 (zh)

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CN100465448C (zh) * 2004-07-09 2009-03-04 约马液压机械有限公司 单叶片真空泵
CN101765701B (zh) * 2007-07-03 2013-07-10 O·M·P·奥菲奇内·马佐科·帕尼奥尼有限公司 用于机动车辆发动机的真空泵
CN103850937A (zh) * 2012-11-30 2014-06-11 上海世传金属材料研发中心 一种辅助车用制动系统的负压装置
CN105020141A (zh) * 2015-07-24 2015-11-04 裕克施乐塑料制品（太仓）有限公司 一种端部可变形的真空泵叶片及真空泵
CN105156324A (zh) * 2015-09-11 2015-12-16 裕克施乐塑料制品（太仓）有限公司 一种新型塑料真空泵叶片及真空泵
CN106351839A (zh) * 2015-07-13 2017-01-25 悦马塑料技术有限公司 用于叶片泵的叶片及叶片泵

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CN100465448C (zh) * 2004-07-09 2009-03-04 约马液压机械有限公司 单叶片真空泵
CN101765701B (zh) * 2007-07-03 2013-07-10 O·M·P·奥菲奇内·马佐科·帕尼奥尼有限公司 用于机动车辆发动机的真空泵
CN103850937A (zh) * 2012-11-30 2014-06-11 上海世传金属材料研发中心 一种辅助车用制动系统的负压装置
CN103850937B (zh) * 2012-11-30 2016-08-24 上海华培动力科技有限公司 一种辅助车用制动系统的负压装置
CN106351839A (zh) * 2015-07-13 2017-01-25 悦马塑料技术有限公司 用于叶片泵的叶片及叶片泵
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CN106351839B (zh) * 2015-07-13 2019-10-01 悦马塑料技术有限公司 用于叶片泵的叶片及叶片泵
CN105020141A (zh) * 2015-07-24 2015-11-04 裕克施乐塑料制品（太仓）有限公司 一种端部可变形的真空泵叶片及真空泵
CN105156324A (zh) * 2015-09-11 2015-12-16 裕克施乐塑料制品（太仓）有限公司 一种新型塑料真空泵叶片及真空泵
CN105156324B (zh) * 2015-09-11 2018-09-04 裕克施乐塑料制品（太仓）有限公司 一种新型塑料真空泵叶片及真空泵

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US6655937B2 (en) 2003-12-02
DE10046697A1 (de) 2002-04-11
HU222979B1 (hu) 2004-01-28
JP2004509289A (ja) 2004-03-25
DE50101676D1 (de) 2004-04-15
ES2217196T3 (es) 2004-11-01
CN1230625C (zh) 2005-12-07
EP1322864B1 (de) 2004-03-10
WO2002025113A1 (de) 2002-03-28
HUP0203934A2 (en) 2003-03-28
EP1322864A1 (de) 2003-07-02
US20030053924A1 (en) 2003-03-20

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