CN101832339A - Preloading structure of thrust bearing and extruder reducer with same - Google Patents

Preloading structure of thrust bearing and extruder reducer with same Download PDF

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Publication number
CN101832339A
CN101832339A CN 201010150030 CN201010150030A CN101832339A CN 101832339 A CN101832339 A CN 101832339A CN 201010150030 CN201010150030 CN 201010150030 CN 201010150030 A CN201010150030 A CN 201010150030A CN 101832339 A CN101832339 A CN 101832339A
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CN
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Prior art keywords
thrust bearing
structure
spring seat
preload
extruder
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CN 201010150030
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Chinese (zh)
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胡炜
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胡炜
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Abstract

The invention discloses a preloading structure of a thrust bearing. A spring seat is arranged between a bearing pedestal and the thrust bearing; and one side of the spring seat which faces the thrust bearing is provided with an elastic component. The invention also discloses an extruder reducer with the preloading structure. In the preloading structure of the thrust bearing, the spring seat is arranged between the bearing pedestal and the thrust bearing and one side of the spring seat which faces the thrust bearing is provided with the elastic component, so that when a shaft is not stressed or is stressed by an acting force, opposite to a preloading force, of the thrust bearing, the shaft can be stressed by the preloading force which is applied by the elastic component to the thrust bearing so as to guarantee that the thrust bearing can work normally.

Description

推力轴承的预紧结构及设有该结构的挤出机减速器 Preload the thrust bearing structure is provided with an extruder and gear unit of the structure

技术领域 FIELD

[0001] 本发明涉及轴承预紧技术领域,特别涉及一种推力轴承的预紧结构。 [0001] The present invention relates to a bearing preload technology, and particularly relates to a structure of a thrust bearing preload. 本发明还涉及一种包括上述预紧结构的挤出机减速器。 The present invention further relates to an extruder comprising a speed reducer of the above-described biasing structure.

背景技术 Background technique

[0002] 推力轴承是用来专门承受轴向力的专用轴承,就是承受轴的平行方向力的轴承。 [0002] The thrust bearing is subjected to axial forces specialized bearings, is subjected to a force parallel to the direction of the axis of the bearing. 推力轴承也称作止推轴承。 Thrust bearings are also referred to as a thrust bearing. 止推轴承一般是由两个止推垫片或更多止推垫片和若干滚动体组成,一般止推垫片分为轴片和座片,滚动体一般最常见型式是由铁质或铜质保持架组合成整体。 A thrust bearing typically consists of two or more thrust washer thrust washer and a number of rolling body composition, generally divided shaft piece thrust washer and the seat plate, the most common type of rolling bodies are generally made of copper or iron mass holder integrally combined. 该类型轴承最常见是钢球式推力轴承。 The most common type of bearing is a ball thrust bearing.

[0003] 挤出机减速机是为了塑料螺杆挤出机配套设计的高精度硬齿面带推力座的传动部件。 [0003] Extruder speed reducer drive is a plastic member for supporting the design of the screw extruder with hardened precision of the thrust bearing. 挤出机减速机在应用时低速轴端要承受很大的轴向力,所以在低速轴端增加了一个推力轴承,现在的方案是将推力轴承的内圈安装在低速轴上,一端顶在轴肩上,外圈直接顶在轴承座上。 Extruder reducer low speed shaft upon application of axial force to bear large, so the addition of a low-speed thrust bearing axial end, the present embodiment is the inner race of the thrust bearing mounted on the low speed shaft, the top end shoulder of the shaft, the top of the outer ring in the bearing housing directly.

[0004] 推力轴承工作需要预紧力,如果无预紧力不但无法工作,当长时间无预紧力时推力轴承会失效。 [0004] The thrust bearing preload needs work, if no preload is not only unable to work, when a long time without preload thrust bearings fail. 现有方案下,当低速轴受从下向上的力作用的时候,推力轴承会被压紧,有预紧力,工作正常;但当低速轴受从上向下的力作用或无作用力的时候,推力轴承无预紧力,这种情况推力轴承失效,无法承担轴向力,而且有损坏的隐患。 Under the existing program, from the time when the low speed shaft by a force acting upward, will be pressed against the thrust bearing, with a preload, work; but from a low speed shaft by a downward force acting on the force or no when no thrust bearing preload, this thrust bearing failure, unable to bear the axial force, but there are risks of damage.

发明内容 SUMMARY

[0005] 本发明的目的是提供一种能够有效预紧推力轴承的推力轴承预紧结构。 [0005] The object of the present invention is to provide an efficient preload the thrust bearing thrust bearing preload structure. 本发明的另一目的是提供一种用于上述预紧结构的挤出机减速器。 Another object of the present invention is to provide the above-described extruder reducer for biasing configuration.

[0006] 为了解决上述技术问题,本发明提供一种推力轴承的预紧结构,用于对推力轴承进行预紧,使推力轴承发挥承担轴向力的作用,在轴承座和推力轴承之间设置有弹簧座; [0006] To solve the above problems, the present invention provides a structure for biasing the thrust bearing, the thrust bearing preload for the bearing to function bear the axial thrust force, disposed between the bearing housing and the thrust bearing a spring seat;

[0007] 所述弹簧座面向推力轴承的一侧安装有弹性件。 The [0007] spring seat side facing the thrust bearing is attached to the elastic member.

[0008] 优选的,上述推力轴承的预紧结构中,所述弹簧座面向推力轴承的一侧设有弹性件安装槽; [0008] Preferably, the biasing structure of the thrust bearing, the thrust bearing side facing the spring seat mounting groove is provided with an elastic member;

[0009] 所述弹性件设置在安装槽内。 The [0009] elastic member disposed in the mounting groove.

[0010] 优选的,上述推力轴承的预紧结构中,所述弹簧座为环状整体式结构。 [0010] Preferably, the thrust bearing preload configuration, said spring seat is an annular unitary structure.

[0011] 优选的,上述推力轴承的预紧结构中,所述弹性件安装槽均勻的分布在所述弹簧座上。 [0011] Preferably, the configuration of the thrust bearing preload, the uniform distribution of the elastic member is mounted in the spring seat groove.

[0012] 优选的,上述推力轴承的预紧结构中,所述所述弹性件为弹簧。 [0012] Preferably, the thrust bearing preload arrangement, the elastic member is a spring.

[0013] 一种挤出机减速器,包括上面任一项所述的推力轴承的预紧结构,该预紧结构安装在挤出机减速器的输出轴上。 [0013] An extruder retarder comprising biasing structure according to any one of the above a thrust bearing, the biasing structure is mounted on the output shaft of the speed reducer extruder.

[0014] 相对上述背景技术,本发明所提供的推力轴承的预紧结构,其在轴承座和推力轴承之间设置有弹簧座;所述弹簧座面向推力轴承的一侧安装有弹性件。 [0014] with respect to the background art, the present invention provides a thrust bearing preload structure disposed between the bearing housing and the thrust bearing spring seat; the side facing the spring seat is attached to the elastic thrust bearing member. 因此,在轴不受力或受和推力轴承的预紧力相反的作用力时,会受到弹性件给推力轴承的预紧力,保证其能够正常的工作。 Thus, in the opposite axial force and unstressed or subject to the thrust bearing preload biasing force of the elastic member will be subjected to a thrust bearing, which can guarantee the normal operation.

[0015] 作为一种改进,所述弹簧座面向推力轴承的一侧设有弹性件安装槽;所述弹性件设置在安装槽内。 [0015] As an improvement, the thrust bearing spring seat provided on the side facing the elastic member mounting groove; an elastic member disposed in the mounting groove. 这样,所述便于弹性件的安装和固定,提高预紧的稳定性。 Thus, the ease of mounting and securing the elastic member to improve the stability of the preload.

附图说明 BRIEF DESCRIPTION

[0016] 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。 [0016] In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, briefly introduced hereinafter, embodiments are described below in the accompanying drawings or described in the prior art needed to be used in describing the embodiments the drawings are only some embodiments of the present invention, those of ordinary skill in the art is concerned, without creative efforts, can derive from these drawings other drawings.

[0017] 图1为本发明实施例提供的一种推力轴承的预紧结构示意图。 [0017] FIG. 1 is a schematic structure of a biasing force provided by the embodiment of the invention the bearing. 具体实施方式 detailed description

[0018] 本发明的核心是提供一种能够有效预紧推力轴承的推力轴承预紧结构。 [0018] The core of the invention is to provide an effective biasing preload the thrust bearing thrust bearing structure. 本发明的另一核心是提供一种用于上述预紧结构的挤出机减速器。 Another core of the present invention is to provide a reducer extruder for the above-described biasing structure.

[0019] 为了使本技术领域的人员更好地理解本发明方案,下面结合附图和实施方式对本发明作进一步的详细说明。 [0019] In order to make those skilled in the art a better understanding of the invention, the accompanying drawings and the following embodiments described in detail further embodiment of the present invention.

[0020] 请参考图1,图1为本发明实施例提供的一种推力轴承的预紧结构示意图。 [0020] Please refer to FIG 1, FIG. 1 is a schematic diagram structure of a biasing force provided by the embodiment of the invention the bearing.

[0021] 其中,1为轴承座,2为推力轴承,3为弹簧座,4为弹簧。 [0021] wherein 1 is a bearing, thrust bearings 2, 3 is a spring seat, a spring 4.

[0022] 本发明提供的推力轴承的预紧结构,在轴承座1和推力轴承2之间设置有弹簧座3 ;所述弹簧座3面向推力轴承2的一侧安装有弹性件。 [0022] The present invention provides a thrust bearing preload structure, in the housing 1 and the thrust bearing 3 is provided between the spring seat 2; 3 facing the spring seat 2 is mounted a thrust bearing side elastic member. 在本发明的一种具体实施例中,推力轴承2内圈靠轴肩定位,外圈靠弹簧座3定位。 In one particular embodiment of the present invention, the inner ring 2 against the thrust bearing shoulder positioned, the outer ring 3 is positioned on the spring seat. 此处的弹性件优选为弹簧4,弹簧的弹力较大,而且价格便宜。 Here the elastic member 4 is preferably a spring, the spring force is large, and inexpensive.

[0023] 综上所述,本发明所提供的推力轴承的预紧结构,其在轴承座1推力轴承2间设置有弹簧座3所述弹簧座3面向推力轴承2 —侧安装有弹性件。 [0023] In summary, the biasing structure of the present invention provides a thrust bearing, which bearing housing 2 is provided a thrust bearing spring seat of the spring 3 faces the thrust bearing holder 3 2 - is attached to the elastic member side. 因此,在轴不受力或受和推力轴承的预紧力相反的作用力时,会受到弹性件给推力轴承的预紧力,保证其能够正常的工作。 Thus, in the opposite axial force and unstressed or subject to the thrust bearing preload biasing force of the elastic member will be subjected to a thrust bearing, which can guarantee the normal operation.

[0024] 另外,为了便于弹簧或其他弹性件安装,在弹簧座面向推力轴承的一侧设有弹性件安装槽,弹性件设置在安装槽内。 [0024] Further, in order to facilitate mounting of the spring or other resilient member, the spring seat side facing the thrust bearing member is provided with an elastic mounting groove, an elastic member disposed in the mounting groove. 由于弹簧或其他弹性件的弹性在使用一段时间后,弹性效果会降低,所以需要及时更换该弹性件,通过设置弹性件安装槽,便于对弹性件的定位, 且方便安装。 Since the resilient spring or other resilient member after a period of use, the elastic effect is reduced, so that the elastic member needs to be replaced, by providing an elastic member mounting groove to locate the elastic member, and is easy to install.

[0025] 其中弹簧座为环状整体式结构,这样有助于保证其套装在轴上,整体式的结构可以通过铸造大批量的生产,降低制造成本。 [0025] wherein the spring seat is an annular unitary structure, which helps to ensure that the shaft set, monolithic structures can be cast by mass production, reducing manufacturing costs.

[0026] 其中,弹性件安装槽均勻的分布在所述弹簧座上。 [0026] wherein uniform distribution of the elastic member is mounted in the spring seat groove. 合理的分配预紧力,保证预紧力均勻的作用在轴承上。 A reasonable allocation of preload to ensure uniform preload acting on the bearing.

[0027] 本发明实施例还公开了一种挤出机减速器,包括上面所述的推力轴承的预紧结构,该预紧结构安装在挤出机减速器的输出轴上。 Example [0027] The present invention also discloses an extruder speed reducer, said structure comprising the above-preload the thrust bearing, the biasing structure is mounted on the output shaft of the speed reducer extruder.

[0028] 本发明的推力轴承的预紧结构可以应用到任何使用推力轴承的机构中,不仅仅限于挤出机减速器一种形式。 [0028] The thrust bearing according to the present invention may be applied to the structure of any biasing mechanism used in the thrust bearing, the gear unit is not limited to a form of an extruder.

[0029] 综上所述,在现有方案的基础上,在轴承座和推力轴承之间增加一个环状的整体式弹簧座,在弹簧座面向推力轴承的一侧环形分布开弹性件安装槽,安装槽按一定角度间隔均布。 [0029] In summary, on the basis of existing programs, increase an annular housing between the bearing and the thrust bearing integral spring seat, the spring seat facing the side of the annular thrust bearing elastic member mounting groove open profile , mounting groove angularly equispaced intervals. 在合减速箱前,先将弹簧安装于弹簧座内,调整推力轴承间隙达规定值,再进行减速机合箱,这样就使推力轴承的安装调整更加规范可靠。 Before closing the gearbox, the first spring mounted in the spring seat to adjust the thrust bearing gap of a predetermined value, then the gear box together, so that the installation and adjustment of the thrust bearing more standardized and reliable. 保证了推力轴承在弹簧作用下时刻预紧,可以正常发挥分担轴向力的作用,并确保了其工作寿命。 Time to ensure that the thrust bearing preload spring action, can function properly share the axial force, and to ensure its working life.

[0030] 本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。 [0030] In the present specification, the various embodiments described in a progressive manner, differences from the embodiment and the other embodiments each of which emphasizes embodiment, the same or similar portions between the various embodiments refer to each other.

[0031] 以上对本发明所提供的推力轴承的预紧结构及其所应用的挤出机减速器进行了详细介绍。 [0031] The foregoing present invention provides a thrust bearing structure and the preload applied to the extruder speed reducer described in detail. 本文中应用了具体个例对本发明的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。 Herein through specific examples and embodiments of the principles of the present invention are set forth in the above described embodiments are only used to help understand the method and core idea of ​​the present invention. 应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以对本发明进行若干改进和修饰,这些改进和修饰也落入本发明权利要求的保护范围内。 It should be noted that those of ordinary skill in the art, in the present invention without departing from the principles of the premise, may also be a number of modifications and improvements of the present invention, and these improvements and modifications also fall within the scope of the claims of the invention.

Claims (6)

  1. 一种推力轴承的预紧结构,其特征在于,在轴承座和推力轴承之间设置有弹簧座;所述弹簧座面向推力轴承的一侧安装有弹性件。 A thrust bearing preload structure, wherein between the bearing housing and the thrust bearing is provided with a spring seat; the side facing the spring seat is attached to the elastic thrust bearing member.
  2. 2.如权利要求1所述的推力轴承的预紧结构,其特征在于,所述弹簧座面向推力轴承的一侧设有弹性件安装槽;所述弹性件设置在安装槽内。 2. Pre-tensioning thrust bearing structure according to claim 1, wherein said spring seat on the side facing the thrust bearing member is provided with an elastic mounting groove; an elastic member disposed in the mounting groove.
  3. 3.如权利要求2所述的推力轴承的预紧结构,其特征在于,所述弹簧座为环状整体式结构。 Preload the thrust bearing structure as claimed in claim 2, wherein said spring seat is an annular unitary structure.
  4. 4.如权利要求3所述的推力轴承的预紧结构,其特征在于,所述弹性件安装槽均勻的分布在所述弹簧座上。 4. Pre-tensioning thrust bearing structure according to claim 3, characterized in that the uniform distribution of the elastic member is mounted in the spring seat groove.
  5. 5.如权利要求4所述的推力轴承的预紧结构,其特征在于,所述所述弹性件为弹簧。 5. The preload the thrust bearing structure as claimed in claim 4, wherein said resilient member is a spring.
  6. 6. 一种挤出机减速器,其特征在于,包括如权利要求1-5任一项所述的推力轴承的预紧结构,该预紧结构安装在挤出机减速器的输出轴上。 A reducer extruder, characterized in that biasing structure comprising a thrust bearing according to any one of claims 1 to 5, the biasing structure is mounted on the output shaft of the speed reducer extruder.
CN 201010150030 2010-04-15 2010-04-15 Preloading structure of thrust bearing and extruder reducer with same CN101832339A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102840310A (en) * 2012-08-27 2012-12-26 南京金格尔齿轮箱有限公司 Twin-screw extruder gear case
CN104220767A (en) * 2011-07-14 2014-12-17 戴维斯-标准有限公司 Combination thrust flange and thrust plate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363608A (en) * 1981-04-20 1982-12-14 Borg-Warner Corporation Thrust bearing arrangement
JPS63243522A (en) * 1987-03-26 1988-10-11 Senyo Glass Kogyo Kk Thrust bearing construction relative to rotating shaft
US5433536A (en) * 1993-06-18 1995-07-18 Aktiebolaget Skf Thrust bearings
CN2351614Y (en) * 1998-06-10 1999-12-01 机械工业部西安重型机械研究所 Speed reducer for screw extruder
CN201391548Y (en) * 2009-03-13 2010-01-27 洛阳轴研科技股份有限公司 Thrust bearing for rolling mill
CN201705807U (en) * 2010-04-15 2011-01-12 沃德(天津)传动有限公司 Pretightening structure of thrust bearing and extruder speed reducer provided with pretightening structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363608A (en) * 1981-04-20 1982-12-14 Borg-Warner Corporation Thrust bearing arrangement
JPS63243522A (en) * 1987-03-26 1988-10-11 Senyo Glass Kogyo Kk Thrust bearing construction relative to rotating shaft
US5433536A (en) * 1993-06-18 1995-07-18 Aktiebolaget Skf Thrust bearings
CN2351614Y (en) * 1998-06-10 1999-12-01 机械工业部西安重型机械研究所 Speed reducer for screw extruder
CN201391548Y (en) * 2009-03-13 2010-01-27 洛阳轴研科技股份有限公司 Thrust bearing for rolling mill
CN201705807U (en) * 2010-04-15 2011-01-12 沃德(天津)传动有限公司 Pretightening structure of thrust bearing and extruder speed reducer provided with pretightening structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104220767A (en) * 2011-07-14 2014-12-17 戴维斯-标准有限公司 Combination thrust flange and thrust plate
CN102840310A (en) * 2012-08-27 2012-12-26 南京金格尔齿轮箱有限公司 Twin-screw extruder gear case
CN102840310B (en) * 2012-08-27 2015-05-20 南京金格尔齿轮箱有限公司 Twin-screw extruder gear case

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