WO2015027832A1 - 轴承组件及具有该轴承组件的粗纱机 - Google Patents

轴承组件及具有该轴承组件的粗纱机 Download PDF

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Publication number
WO2015027832A1
WO2015027832A1 PCT/CN2014/084525 CN2014084525W WO2015027832A1 WO 2015027832 A1 WO2015027832 A1 WO 2015027832A1 CN 2014084525 W CN2014084525 W CN 2014084525W WO 2015027832 A1 WO2015027832 A1 WO 2015027832A1
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WIPO (PCT)
Prior art keywords
bearing
installation space
sleeve
seat
assembly according
Prior art date
Application number
PCT/CN2014/084525
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English (en)
French (fr)
Inventor
程凯
张军军
陈新萍
Original Assignee
舍弗勒技术有限两合公司
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Application filed by 舍弗勒技术有限两合公司 filed Critical 舍弗勒技术有限两合公司
Priority to EP14841145.7A priority Critical patent/EP3040456A4/de
Priority to JP2016537110A priority patent/JP2016534301A/ja
Publication of WO2015027832A1 publication Critical patent/WO2015027832A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/24—Flyer or like arrangements
    • D01H7/26—Flyer constructions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F16C25/08—Ball or roller bearings self-adjusting
    • F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings

Definitions

  • the roving frame is mainly divided into feeding, drafting, twisting and winding parts, and the fiber strip is taken out from the fiber barrel of the machine, conveyed by the guide roller, and fed into the drafting device. After drawing, the strips output from the front roller jaws are too low, so the skein is formed by the rotating flyer plus appropriate twist and the roving is finally spirally wound on the surface of the tube to accommodate the subsequent spinning frame. Processing requirements. To achieve continuous high-speed rotation of the flyer, it is necessary to mount the bearing on the rotary shaft of the flyer. As shown in Fig. 1, in the prior art, the upper bearing 2, the lower bearing 3, and the sleeve 4 are mounted on the rotating shaft 1 of the flyer.
  • the bearing is mainly subjected to axial load and subjected to a certain radial load.
  • the upper bearing 2 and the lower bearing 3 usually select standard deep groove ball bearings.
  • the lower bearing 3, the sleeve 4 and the upper bearing 2 are sequentially mounted on the rotating shaft 1, and finally the metal casing 5 is attached to the outside of the lower bearing 3, the sleeve 4 and the upper bearing 2 for protection. Due to the complicated installation of deep groove ball bearings and the alignment of two deep groove ball bearings, this will require a lot of assembly time and commissioning time. Therefore, there is a need to provide a new bearing assembly to solve the above problems.
  • a bearing assembly package The first bearing, the second bearing and the bearing housing, the bearing housing is provided with a first installation space and a second installation space for accommodating the first bearing and the second bearing, the first bearing being installed in the first installation space and Formed integrally with the bearing housing, a sleeve is disposed between the second bearing and the first bearing, and the sleeve is disposed coaxially with the first bearing and the second bearing.
  • the invention has the following advantages:
  • the bearing, the sleeve and the bearing seat are combined and can be assembled as a whole to the external component, which reduces assembly difficulty, saves assembly time and debugging time.
  • Another problem addressed by the present invention is to provide a roving frame that facilitates assembly of bearings.
  • a roving frame comprising a flyer having a rotating shaft on which a bearing assembly is mounted, the bearing assembly including a first bearing, a second a bearing and a bearing seat, the bearing housing is provided with a first installation space and a second installation space for accommodating the first bearing and the second bearing, the first bearing being installed in the first installation space and integrally formed with the bearing seat
  • a sleeve is disposed between the second bearing and the first bearing, and the sleeve is disposed coaxially with the first bearing and the second bearing.
  • FIG. 1 is a bearing mounting structure in a prior art roving frame
  • FIG. 2 is a cross-sectional view of a bearing assembly in accordance with an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE INVENTION The bearing assembly of the present invention is used in the field of textile machinery, particularly on the flyer of a roving frame.
  • the present invention provides a bearing assembly 100 as shown in FIG. 2, which includes a first bearing 10, a second bearing 20, a sleeve 30 and a bearing housing 40, in order to save cost and To ensure the reliability of operation, the first and second bearings are preferred for deep groove ball bearings.
  • the first bearing 10 and the second bearing 20 are coaxially disposed and spaced apart by a certain distance. In the present embodiment, two deep groove ball bearings of the same specification are used. Of course, in other embodiments, two different specifications may be used. Bearings.
  • the sleeve 30 is located between the first bearing 10 and the second bearing 20 and is disposed coaxially with the first bearing 10 and the second bearing 20.
  • both ends of the sleeve 30 are respectively abutted on the inner ring (not shown) of the first bearing 10 and the inner ring (not shown) of the second bearing 20, so the sleeve 30 can be the first bearing 10 It is spaced apart from the second bearing 20 to prevent axial movement of the first bearing 10 and the second bearing 20 during rotation.
  • the bearing housing 40 has a hollow cylindrical shape, and includes a mounting space for mounting the first bearing 10 and the second bearing 20.
  • the mounting space includes a first mounting space 41 for mounting the first bearing 10 and a second mounting bearing 20 Two installation spaces 42.
  • the first installation space 41 communicates with the second installation space 42 and the second installation space 42 is radially larger than the first installation space 41 in the radial direction, such that the joint between the first installation space 41 and the second installation space 42 A stepped surface 43 is formed.
  • the bearing housing 40 is provided with a groove 44 that communicates with the first mounting space 41 and extends in the radial direction, and an outer ring (not shown) of the first bearing 10 is mounted in the groove. Within 44.
  • the outer side of the bearing housing 40 is provided with a thread 45 for connection with an external component.
  • a spring 50 is provided in the second installation space 42 to pre-tension the second bearing 20.
  • a wave spring is used.
  • the spring 50 is abutted against the step surface 43 and the other side is abutted against the outer ring (not shown) of the second bearing 20.
  • the second bearing 20 is provided with a sealing ring 60 on the side opposite to the spring, the sealing ring 60 is mounted in the second mounting space 42, and the outer side of the sealing ring 60 is also provided with a seal.
  • Structure 70 can further enhance the sealing effect.
  • the bearing housing 40 protrudes outwardly from the end surface of the second bearing 20 with a plurality of protrusions 46.
  • the sealing structure 70 is provided with a plurality of small holes (not shown) that cooperate with the protrusions 46 to mount the sealing structure 70 on the bearing.
  • the outer end surface of the sealing ring 60 is recessed with a ring groove 61, and the sealing structure 70 is provided with a bent portion 71 that cooperates with the ring groove 61.
  • the assembly process of the bearing assembly 100 of the present invention is as follows: First, the first bearing 10 is placed In the plastic mold, the bearing housing 40 is formed on the outside of the first bearing 10 by injection molding, that is, the first bearing 10 and the bearing housing 40 are integrally formed; then, the bearing housing 40 to which the first bearing 10 is fixed is taken out from the plastic mold. Start the subsequent assembly process.
  • the sleeve 30 is placed in the installation space of the bearing housing 40 such that one end of the sleeve 30 abuts against the inner ring of the first bearing 10; then the spring 50 is pressed into the installation space until the spring 50 is pressed against the step
  • the second bearing 20 is then mounted into the installation space such that the other end of the sleeve 30 abuts against the inner ring of the second bearing 20; the sealing ring 60 and the sealing structure 70 are subsequently mounted, due to the mounting manner thereof.
  • Commonly used means in the industry, no longer repeat them.
  • the hollow portion of the first bearing 10, the second bearing 20 and the sleeve 30 form the inner bore 80 of the bearing assembly 100.
  • a set of rings 90 is placed in the bore to facilitate subsequent mounting of the bearing assembly to the spinning machine spindle
  • the axis of rotation of the wing (not shown).
  • a receiving cavity 47 is formed between the shaft seat 40 and the sleeve 30.
  • an oiling hole (not shown) communicating with the receiving cavity 47 may be disposed on the shaft seat 40, through which the lubricating grease can be injected into the receiving cavity.
  • the first and second bearings are lubricated. Of course, if the first and second bearings themselves are bearings with self-lubricating functions, it is not necessary to inject lubricating grease into the accommodating chamber 47.
  • the bearing assembly of the invention can be integrally mounted on the rotating shaft of the flyer without separately mounting the first bearing 10, the sleeve 30 and the second bearing 20 on the rotating shaft, thereby reducing the assembly difficulty, saving assembly time and debugging. time.
  • the housing 40 is relatively lightweight, making the entire bearing assembly lighter and easier to install.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

一种轴承组件及具有该轴承组件的粗纱机，轴承组件（100）包括第一轴承（10）、第二轴承（20）及轴承座（40），所述轴承座（40）设有容纳第一轴承（10）及第二轴承（20）的第一安装空间（41）及第二安装空间（42），所述第一轴承（10）安装在第一安装空间（41）内并且与所述轴承座（40）一体成型，所述第二轴承（20）与第一轴承（10）之间设置有套筒（30），所述套筒（30）与所述第一轴承（10）、第二轴承（20）同轴设置。轴承、套筒及轴承座结合在一起，可以整体组装至外部部件上，降低了组装难度，节省了组装时间及调试时间。

Description

轴承组件及具有该轴承组件的粗纱机 本申请要求 2013 年 8 月 30 日提交中国专利局、 申请号为 201310389468.X,发明名称为 "轴承组件及具有该轴承组件的粗纱机 " 的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及纺织机械中的粗纱机， 具体涉及粗纱机上的轴承组 件。 背景技术 粗纱机是把纤维条制成粗纱的纺纱机器。粗纱机主要分喂入、 牵 伸、 加捻和卷绕部分， 纤维条从机后纤维筒内引出， 经导条辊传递输 送，喂入牵伸装置。经过牵伸后从前罗拉钳口输出的须条因强力太低， 故由回转的锭翼加上适当的捻度形成粗纱并最终将粗纱以螺旋线状 绕在纱管表面上， 以适应后续细纱机加工的要求。锭翼要实现持续高 速回转， 需要在锭翼旋转轴上安装轴承来实现。 如图 1所示， 现有技术中锭翼的旋转轴 1上安装有上部轴承 2、 下部轴承 3、 及套筒 4。 锭翼在回转过程中， 轴承主要承受轴向负荷， 并承受一定的径向负荷。 综合考虑稳定性与成本因素， 上部轴承 2与 下部轴承 3通常选择标准深沟球轴承。 具体安装过程中， 将下部轴承 3、 套筒 4及上部轴承 2依次安装在旋转轴 1上， 最后在下部轴承 3、 套筒 4及上部轴承 2的外侧安装金属外壳 5以起到保护作用。由于深 沟球轴承安装复杂， 并且还涉及到两个深沟球轴承的对位问题， 这将 耗费大量的组装时间及调试时间。 因此， 需要提供一种新的轴承组件以解决上述问题。 发明内容 本发明解决的问题是提供一种方便组装的轴承组件。 为解决上述问题， 本发明釆用如下技术方案： 一种轴承组件， 包 括第一轴承、 第二轴承及轴承座， 所述轴承座设有容纳第一轴承及第 二轴承的第一安装空间及第二安装空间，所述第一轴承安装在第一安 装空间内并且与所述轴承座一体成型，所述第二轴承与第一轴承之间 设置有套筒， 所述套筒与所述第一轴承、 第二轴承同轴设置。 与现有技术相比， 本发明具有以下优点： 轴承、 套筒及轴承座结 合在一起， 可以作为整体组装至外部部件上， 降低了组装难度， 节省 了组装时间及调试时间。 本发明解决的另一问题是提供一种方便组装轴承的粗纱机。 为解决上述问题， 本发明釆用如下技术方案： 一种粗纱机， 包括 锭翼， 该锭翼设有旋转轴， 所述旋转轴上安装有轴承组件， 该轴承组 件包括第一轴承、 第二轴承及轴承座， 所述轴承座设有容纳第一轴承 及第二轴承的第一安装空间及第二安装空间，所述第一轴承安装在第 一安装空间内并且与所述轴承座一体成型，所述第二轴承与第一轴承 之间设置有套筒， 所述套筒与所述第一轴承、 第二轴承同轴设置。 与现有技术相比， 本发明具有以下优点： 轴承、 套筒及轴承座结 合在一起， 可以作为整体组装至锭翼旋转轴上， 降低了组装难度， 节 省了组装时间及调试时间。 附图说明 图 1是现有技术粗纱机中的轴承安装结构； 图 2是本发明一实施方式轴承组件的剖面图。 具体实施方式 本发明的轴承组件应用于纺织机械领域，特别是应用于粗纱机的 锭翼上。 为了方便在锭翼的旋转轴上安装轴承， 本发明提供了如图 2 所示的轴承组件 100， 其包括第一轴承 10、 第二轴承 20、 套筒 30及 轴承座 40， 为了节省成本及保证运行的可靠性， 第一、 第二轴承可 优先选择深沟球轴承。 第一轴承 10与第二轴承 20同轴设置并间隔一定距离，本实施方 式中， 釆用了两个规格相同的深沟球轴承， 当然在其它实施方式中， 也可以釆用不同规格的两个轴承。套筒 30位于第一轴承 10与第二轴 承 20之间， 并与第一轴承 10、 第二轴承 20同轴设置。 具体地， 套 筒 30的两端分别抵持在第一轴承 10的内圈 （未图示） 与第二轴承 20的内圈 （未图示）上， 因此套筒 30可以将第一轴承 10与第二轴 承 20间隔开， 防止第一轴承 10和第二轴承 20在转动过程中发生轴 向运动。 轴承座 40呈中空的圓柱形， 其包括安装第一轴承 10、 第二轴承 20的安装空间， 具体地， 安装空间包括安装第一轴承 10的第一安装 空间 41及安装第二轴承 20的第二安装空间 42。 第一安装空间 41与 第二安装空间 42相通并且第二安装空间 42在径向上尺寸大于第一安 装空间 41在径向上尺寸， 这样， 在第一安装空间 41与第二安装空间 42的接合处形成台阶面 43。进一步地，为了将第一轴承 10定位准确， 轴承座 40设有与第一安装空间 41相通并在径向上延伸的凹槽 44， 第一轴承 10的外圈 （未图示）安装在凹槽 44内。 另外， 轴承座 40 的外侧设有螺纹 45， 用以与外部部件相连接。 为了提高第二轴承 20的旋转精度及使用寿命， 在第二安装空间 42内设置有弹簧 50， 以对第二轴承 20起到预紧作用。 优选地， 使用 波形弹簧。 所述弹簧 50—侧抵靠在台阶面 43， 另一侧抵持在第二轴 承 20 的外圈 （未图示）。 为了防止轴承中的润滑油泄露， 第二轴承 20在与所述弹簧相对的一侧设有密封圈 60，该密封圈 60安装在第二 安装空间 42内， 密封圈 60的外侧还设有密封结构 70， 可以进一步 增强密封效果。 具体地， 轴承座 40临近第二轴承 20的端面向外突设 有若干凸起 46， 密封结构 70设有与凸起 46配合的若干小孔 (未图示) 以使密封结构 70安装在轴承座 40的该端面上。 另外， 密封圈 60外 端面凹设有环槽 61， 密封结构 70设有与环槽 61配合的弯折部 71。 本发明轴承组件 100的组装过程如下： 首先将第一轴承 10放入 塑胶模具中， 通过注射成型在第一轴承 10的外部形成轴承座 40， 即 将第一轴承 10与轴承座 40—体成型； 接着将固定有第一轴承 10的 轴承座 40从塑胶模具中取出， 开始后续的组装过程。 具体地， 将套 筒 30放入轴承座 40的安装空间内， 使套筒 30的一端抵持在第一轴 承 10的内圈； 接着向安装空间压入弹簧 50， 直至弹簧 50抵压到台 阶面 43; 接着将第二轴承 20安装至安装空间内， 使套筒 30的另一 端抵持在第二轴承 20的内圈上； 接下来安装密封圈 60及密封结构 70， 由于其安装方式为业内常用手段， 不再赘述。 第一轴承 10、 第 二轴承 20及套筒 30的中空部分形成轴承组件 100的内孔 80， 最后， 在内孔中装入一套圈 90， 以方便后续将轴承组件安装至纺纱机锭翼 的旋转轴 （未图示）上。 轴 座 40与套筒 30之间形成容纳腔 47， 注塑过程中可以在轴 座 40上设置与容纳腔 47连通的注油孔（未图示）， 通过该注油孔 可以将润滑油脂注入到容纳腔 47内， 以对第一、 第二轴承进行润滑。 当然， 如果第一、 第二轴承本身为带自润滑功能的轴承， 则不需要在 容纳腔 47内注入润滑油脂。 本发明轴承组件可以整体装到锭翼的旋转轴上，而不需要将第一 轴承 10、 套筒 30、 第二轴承 20分别安装到旋转轴上， 降低了组装难 度， 节省了组装时间及调试时间。 另外， 轴承座 40质量比较轻， 可 以使整个轴承组件重量较轻并且方便安装。 虽然本发明仅就某些示范性实施方式进行描述，这些描述应该仅 作为示例而不构成限制。 在所附权利要求书记载的范围内， 在不脱离 本发明精神和范围情况下， 各种变化均是可能的。

Claims

权 利 要 求
1.一种轴承组件， 其特征在于： 包括第一轴承、 第二轴承及轴承 座，所述轴承座设有安装第一轴承及第二轴承的第一安装空间及第二 安装空间，所述第一轴承安装在第一安装空间内并且与所述轴承座一 体成型， 所述第二轴承与第一轴承之间设置有套筒， 所述套筒与所述 第一轴承、 第二轴承同轴设置。
2.根据权利要求 1所述的轴承组件， 其特征在于： 所述轴承座设 有与第一安装空间相通并在径向上延伸的凹槽，所述第一轴承具有的 外圈安装在所述凹槽内。
3.根据权利要求 2所述的轴承组件， 其特征在于： 所述第一安装 空间与第二安装空间之间形成台阶面， 所述第二安装空间内设有弹 簧， 所述弹簧一侧抵靠在所述台阶面， 另一侧抵靠在第二轴承具有的 外圈上。
4.根据权利要求 3所述的轴承组件， 其特征在于： 所述第二轴承 在与所述弹簧相对的一侧设有密封圈。
5.根据权利要求 4所述的轴承组件， 其特征在于： 所述轴承座靠 近第二轴承的端面上安装有密封结构，所述密封结构与所述密封圈固 定连接。
6.根据权利要求 1至 5中任一项所述的轴承组件， 其特征在于： 所述轴承座的外部设有螺纹。
7.根据权利要求 6所述的轴承组件， 其特征在于： 所述轴承座与 套筒之间设有容纳腔， 所述轴承座上设有与容纳腔连通的注油孔。
8.—种粗纱机， 包括锭翼， 该锭翼设有旋转轴， 所述旋转轴上安 装有如权利要求 1至 7中任一项所述的轴承组件。
PCT/CN2014/084525 2013-08-30 2014-08-15 轴承组件及具有该轴承组件的粗纱机 WO2015027832A1 (zh)

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