JPS6196216A - Synthetic resin cage for thrust self-aligning roller bearing - Google Patents
Synthetic resin cage for thrust self-aligning roller bearingInfo
- Publication number
- JPS6196216A JPS6196216A JP59214334A JP21433484A JPS6196216A JP S6196216 A JPS6196216 A JP S6196216A JP 59214334 A JP59214334 A JP 59214334A JP 21433484 A JP21433484 A JP 21433484A JP S6196216 A JPS6196216 A JP S6196216A
- Authority
- JP
- Japan
- Prior art keywords
- spherical
- diameter
- roller
- ring
- spherical roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
-
- 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
- C04B2237/366—Aluminium nitride
-
- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
-
- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
-
- 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
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/04—Shaping by casting by injection-moulding
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、スラスト荷重と共にラジアル荷重も受けるこ
とかでき、かつ自動調心性會有し、 ｉ＊ｉ重用スラス
ト軸受として各種ｍｌ戊に用いられるスラスト自動調心
ころ軸受の構成部品である保持器、特に内輪の外径面に
形成された段部に係止する延長部並ひに掛止部を省略す
ることにエリ、金型の内外型のアキシアル抜＠を容易な
らしめた合成憤（脂膜保持器に関するものである。[Detailed Description of the Invention] "Industrial Application Field" The present invention is capable of receiving radial loads as well as thrust loads, has a self-aligning mechanism, and is used as an i*i heavy duty thrust bearing in various types of cylinders. It is advantageous to omit the retainer, which is a component of thrust self-aligning roller bearings, especially the extension part and hook part that lock onto the step formed on the outer diameter surface of the inner ring, and the inner and outer mold parts. This relates to a synthetic resin film retainer that facilitates axial removal.
「従来の技術」
この形式の＠Ｉ受は、例えは実公昭４４−１３２１９号
公報に開示されているように球面軌道を有する外輪と、
球面軌道と球面のっけ面１に有する内輪との間に配列芒
れる非対称球面ころを保持し、案内寺
するもみ抜き保持器が知られている。"Prior art" This type of @I receiver has an outer ring having a spherical raceway, as disclosed in Japanese Utility Model Publication No. 44-13219, for example, and
A machined cage that holds and guides asymmetric spherical rollers arranged between a spherical raceway and an inner ring on a spherical mounting surface 1 is known.
搬亥もみ抜き保持器は前記内輪の内径端ＭＳにかしめた
スリーブによって案内及び脱落防止されてい乙。The machined cage is guided and prevented from falling off by a sleeve caulked to the inner diameter end MS of the inner ring.
ところが、もみ抜き保持器は高価にして、かつ球面ころ
とポケットおよび保持器とスリーブ間との摺動面が多く
、かつ１１が大きいため、発熱による温度上昇と騒音発
生をともなうため、高速回転用には適しない。However, machined cages are expensive, have many sliding surfaces between the spherical rollers and pockets, and between the cage and the sleeve, and have a large diameter 11, which causes a rise in temperature and noise due to heat generation, making them unsuitable for high-speed rotation. Not suitable for
更に脱落防止のためにスリーブ？必要としている。A sleeve to further prevent it from falling off? In need of.
また、上記高価なもみ抜き保持器に代え、前記スリーブ
を必要としないものとして、例えは、特公昭３５−６２
５３号公報に開示逼れている工うに鋼機のプレス打抜き
保持器が知られている。In addition, as an alternative to the expensive machined cage described above and which does not require the sleeve, for example,
A press-punched retainer for Uni Koki is disclosed in Japanese Patent Application No. 53.
し保持器は内輪の外径−面に対応して延長部を設け、該
延長部に内輪の係止段部に係止する凸部を形成したもの
である。The retainer is provided with an extension portion corresponding to the outer diameter surface of the inner ring, and a convex portion is formed on the extension portion to be engaged with a locking step portion of the inner ring.
このものは、球面ころｔＩ球面ころのピッチ円径工り半
径方回外１１１１で、ポケット内に収容し案内するので
、球面ころの姿勢制御がちれにくい（スキューし易い）
、又回転中の球面ころと銅昏保持器のポケットとの摺動
あるいは衝突による騒音が犬きく、高速回転用として適
しない欠点を有する上記せ乙金輌同志の保持器と球面こ
ろを用いるため、し保持器と球面ころ間の接触あるいは
衝突による縦餡発生會皆無ならしむることはきわめて困
難である。This is a spherical roller tI spherical roller pitch diameter machining radial supination 1111, and it is accommodated and guided in a pocket, so the posture control of the spherical roller is difficult to lose (easily skewed).
In addition, since the cage and spherical roller of the above-mentioned steel carrier are used, they have the drawback that the sliding or collision between the rotating spherical roller and the pocket of the copper cage is very loud, making it unsuitable for high-speed rotation. However, it is extremely difficult to eliminate the occurrence of vertical filling due to contact or collision between the cage and the spherical rollers.
一般に上記のような保持器音の発生を解消するとともに
鈎滑性能の向上１に創る手段として例えは、保持器の材
料に合成樹脂を用いた各種のものが知られている。In general, various types of retainers using synthetic resin as the material for the retainer are known as means for eliminating the above-mentioned retainer noise and improving the hook sliding performance.
しかしながら、スラスト自！＠峙心ころ軸受の保持器Ｖ
Ｃはい１だ球面ころの特有な形状と傾きから実用に供妊
れていない。However, Thrust himself! @Cage V for symmetrical roller bearings
C Yes, it is not practical due to the unique shape and inclination of the spherical roller.
［発明がＷ＃決しようとする問題点」
本発明は、射出成形された保持器からの金型型抜きｔ＠
易にすることと、成形された保持器のポケットに球面こ
ろを嵌合するのに弾性を利用すること、併せて球面ころ
と保持器のポケットとの摺動摩擦ケ減少すると共に騒音
発生を防止し、１ｆｔ合成ＩｆＩＲ脂材料にて量産が容
易にて安価に成形でき、かつ軸受型１の軽減可能ならし
め、さらに１だ、内輪の軸への焼嵌め全容易ならしめた
スラスト自動調心ころ軸受用合成樹脂保持器を提供する
ととＫある。[Problems to be Solved by the Invention] The present invention is a method for removing molds from injection-molded cages.
By using elasticity to fit the spherical rollers into the molded pockets of the cage, the sliding friction between the spherical rollers and the pockets of the cage is reduced, and noise generation is prevented. A thrust self-aligning roller bearing that can be easily mass-produced and molded at low cost using 1ft synthetic IfIR resin material, and the bearing type 1 can be reduced, and 1) the inner ring can be easily shrink-fitted onto the shaft. K provides synthetic resin cages for
「問題点を解決するための手段」
外輪の球面軌道と、前記球面軟道に対向する内輪の球面
軌道との間に多数配設される球面ころを円周方向に区分
し、保持するスラスト自動調心ころ軸受の保持器におい
て、前記球面ころの大端面（１１，＋１に位置する大径
円環と、前記球面ころの小径側に位置する小径円環と、
前記大径円環と前記小径円環とｔ連結する多数の柱から
なり、前記大径円環の下面と、前記小径円環の上面と、
前記の柱の側面とで囲繞して前記球面ころを収容するポ
ケットが形成され、前記大径円環側の前記柱の側面に、
軸受中心線１’ｌ’ｆ平行な射出成形の外型と内型の分
割線が形成されることを特徴とするスラスト自動調心こ
ろ軸受用合成樹脂保持器にある。"Means for solving the problem" A thrust automatic that divides and holds a large number of spherical rollers in the circumferential direction between the spherical raceway of the outer ring and the spherical raceway of the inner ring facing the soft spherical track. In the cage of the aligning roller bearing, a large diameter ring located on the large end surface (11, +1) of the spherical roller, a small diameter ring located on the small diameter side of the spherical roller,
It consists of a large number of columns that are T-connected to the large-diameter ring and the small-diameter ring, and the lower surface of the large-diameter ring and the upper surface of the small-diameter ring,
A pocket is formed surrounding the side surface of the column to accommodate the spherical roller, and on the side surface of the column on the large diameter annular side,
A synthetic resin cage for a thrust self-aligning roller bearing is characterized in that a parting line between an injection molded outer mold and an inner mold is formed parallel to the bearing centerline 1'l'f.
「作 用」
保持器の大径円環と小径円環とを連結する多数の柱によ
って形成されるポケット間に弾力全利用して圧入された
球面ころは前記柱の側面に軸受中心線に略平行な分割線
を境にして、前記球面ころの大径部外径に対応する面の
半径方向外側部分と内側部分で案内する内外第１案内面
及び同じく球面ころの小径部’Ａ径に対応する面の半径
方向外側部分と内側部分で案内する内外第２案内面にて
骸球面ころの外径の球面に略等しい曲率ｔもって形成さ
れているので、内外輪ｒ＃ＩＩ全スムーズに回転すると
共に内外輪から独立し保持器に保持され、１だ、前記内
外第１案内面と内外第２案内面以外の向け、内外第１．
２案内面より凹んでいる油溜りケ有するので、冒速回転
時の油切れによる焼付き等の異常現象全未然に防止でき
るものである。``Function'' The spherical rollers, which are press-fitted by making full use of their elasticity between pockets formed by a large number of pillars connecting the large-diameter ring and small-diameter ring of the cage, are attached to the sides of the pillars approximately along the bearing center line. With parallel dividing lines as boundaries, inner and outer first guide surfaces guided by radially outer and inner parts of the surface corresponding to the outer diameter of the large diameter part of the spherical roller, and also corresponding to the diameter of the small diameter part 'A' of the spherical roller. Since the inner and outer second guide surfaces guided by the radially outer and inner portions of the surfaces are formed with a curvature t approximately equal to the spherical surface of the outer diameter of the spherical roller, the inner and outer rings r#II rotate completely smoothly. The inner and outer rings are independent of the inner and outer rings and are held in a retainer, and the inner and outer first guide surfaces are directed toward other than the first inner and outer guide surfaces and the second inner and outer guide surfaces.
Since the oil reservoir is recessed from the second guide surface, abnormal phenomena such as seizure due to lack of oil during high speed rotation can be completely prevented.
「実施例」
次に、図面に基いて本発明の詳細な説明する。第２図に
おいて、外輪１ｏは球面ｌ１ｉｌｌ道１０１を有し、ま
た内輪２０け前記球面軌道１０１と対向する球面１１道
２０１並びに球面ころ４ｏの大端面４０１と対向する球
面のっけ面２０２ ｉ有し、前記外輪１゜と内輪２０と
の間に多数の球面ころ４０．４０・・・全案内する合成
樹脂保持器３０が配設される。"Example" Next, the present invention will be described in detail based on the drawings. In FIG. 2, the outer ring 1o has a spherical track 101, and the inner ring 20 has a spherical track 201 facing the spherical raceway 101, and a spherical bearing surface 202i facing the large end face 401 of the spherical roller 4o. A synthetic resin retainer 30 is disposed between the outer ring 1° and the inner ring 20 to completely guide a large number of spherical rollers 40, 40.
前記合成樹脂保持器３０は第１図および第２図に示すＬ
うに、前記球面こ、ろ４０の大端面４０１側に位置する
大径円環３０２と前記球面ころ４０．４０・・・の小端
面４０２側に位置する略水平の小径円環３０３と前記大
径円環３０２と前記小径円環３０３とを連結する多数の
柱３０４からなる。The synthetic resin retainer 30 has an L shape shown in FIGS. 1 and 2.
A large diameter ring 302 located on the large end face 401 side of the spherical roller 40, a substantially horizontal small diameter ring 303 located on the small end face 402 side of the spherical rollers 40, 40, and the large diameter It consists of a large number of pillars 304 connecting the circular ring 302 and the small diameter circular ring 303.
前記大径円環３０２の下面３０２１と小径円環３０３の
土面３０３１ 廉びに前記柱３０４の側面とで囲繞して
前記球面ころ４０を収容するポケット３０５か形成され
る。A pocket 305 is formed surrounding the lower surface 3021 of the large-diameter ring 302, the earth surface 3031 of the small-diameter ring 303, and the side surface of the column 304 to accommodate the spherical roller 40.
前記大径円環３０２側の前記柱３０４の側面３０４１に
は軸受中心線０−０′に略平行な射出成形の外型と内型
（図示せず）の分割線３０１が形成されている前記柱３
０４の側面は前記球面ころ４０の大径部４０３側外径に
対応する面の半径方向外側部分て、前記分割＠ ３０１
に隣接する前記球面ころ４０を外側第１案内面３０４２
と前記球面ころ４００大径部４０３側外径に対応する面
の半径方向内側部に前記球面ころ４０を案内する内１１
１＋第１案内面３ｏ４３及び前記球面ころ４０の小径部
４０４側外径に対応する面の半径方向の外側部分で前記
球面ころ４０全案内する外側第２東内面３０４４と前記
球面ころ４゜の小径部４０４外側【で対応する面の半径
方向の内側部分に前記球面ころ４ｏを案内する内側第２
案内面３０４５か前記球面ころ４ｏ中心線Ｙ−Ｙ’ｉ境
にしてその上下に形成されている。A dividing line 301 between an injection molding outer mold and an inner mold (not shown) is formed on a side surface 3041 of the pillar 304 on the side of the large-diameter ring 302, which is substantially parallel to the bearing center line 0-0'. Pillar 3
The side surface of 04 is the radially outer portion of the surface corresponding to the outer diameter of the large diameter portion 403 of the spherical roller 40, and is the part of the division @301.
The spherical roller 40 adjacent to the outer first guide surface 3042
and an inner 11 which guides the spherical roller 40 to the radially inner side of the surface corresponding to the outer diameter of the large diameter portion 403 of the spherical roller 400.
1+the first guide surface 3o43 and the outer second east inner surface 3044 that fully guides the spherical roller 40 at the radially outer portion of the surface corresponding to the outer diameter of the small diameter portion 404 of the spherical roller 40 and the small diameter of the spherical roller 4°; An inner second inner portion that guides the spherical roller 4o to the radially inner portion of the corresponding surface on the outer side of the portion 404.
A guide surface 3045 is formed above and below the center line Y-Y'i of the spherical roller 4o.
前記内り］第１案内面３０４２．３０４３及び内外第２
案内面３０４４ 、３０４５は該内外第１．２案内面に
対応する球面ころ４００大径部４０３の外径と小径部４
０４のりＥ径の曲面に略等しい曲率を有する球面形状に
形成されている。Said inside] First guide surface 3042.3043 and second inside and outside
The guide surfaces 3044 and 3045 are the outer diameter of the large diameter portion 403 of the spherical roller 400 and the small diameter portion 4 of the spherical roller 400 corresponding to the inner and outer first and second guide surfaces.
It is formed into a spherical shape having a curvature approximately equal to the curved surface of the diameter E of the 04 glue.
前記柱３０４の側面３１）４１ ｔｒｉ前記内外第１案
内面３０４２ 、３０４３及び内外第２案内面３０４４
、３０４５を除く他の面が第３図エリわかるように前
記内外第１゜第２案内面より凹んでグリースなどの潤滑
剤’に保持する油溜り面３０４６〜３０５０が形成でれ
る。Side surfaces 31) 41 of the pillar 304, the inner and outer first guide surfaces 3042, 3043, and the inner and outer second guide surfaces 3044
, 3045 are recessed from the inner and outer first and second guide surfaces to form oil reservoir surfaces 3046 to 3050 for retaining a lubricant such as grease, as shown in FIG.
さらに、前記大径円環３０２の下面３０２１が前記大経
日ｍ ３０２側の前記球面ころ４０の大径部４０３０大
端面４０１０曲率に略等しい曲率を有する形状に形成さ
れ、かつ、その中央部分に油溜り面３０５１が形成場れ
る。Furthermore, the lower surface 3021 of the large-diameter ring 302 is formed into a shape having a curvature approximately equal to the curvature of the large-diameter portion 4030 of the large end surface 4010 of the spherical roller 40 on the large-diameter m 302 side; An oil sump surface 3051 is formed.
第４図乃至第８図は非対称球面ころ４０と左右の住３０
４ ｉＪｉの内外第１案内面おＬび内外第２案内面との
接触状態を示す断面図である。Figures 4 to 8 show the asymmetric spherical roller 40 and the left and right housings 30.
FIG. 4 is a sectional view showing the contact state of iJi with the first inner and outer guide surfaces L and the second inner and outer guide surfaces.
前記第４図は第２図Ｃ−Ｃ線断面図で、球面ころ４０は
その大径部４０３が柱の側面外側部分、すなわち傾争１
状油溜り面３０４６と接触せず、中央部分では柱の外側
第１案内面３０４２と接触するが内側部分では傾斜状油
溜り面３０４７と接触しない。FIG. 4 is a cross-sectional view taken along the line C-C in FIG.
It does not contact the shaped oil sump surface 3046, and the central portion contacts the outer first guide surface 3042 of the column, but the inner portion does not contact the inclined oil sump surface 3047.
第５図り第２図Ｃ−Ｃ線断面図で、球面ころ４０はその
大径部が柱の外側第１案内面３０４２ Ｋ接触するか内
側部分では９争）状油溜り面３０４７に接触しない。In the cross-sectional view taken along line C-C in Figure 5 and Figure 2, the large diameter portion of the spherical roller 40 contacts the outer first guide surface 3042K of the column, but the inner portion does not contact the oil sump surface 3047.
第６図は第２図Ｃ−Ｃ線断面図で球面ころ４００大径部
は外側第１案内面３０４２と接触するが、中央部分では
傾斜状油溜り面３０４９と接触せず、内側では外側第１
案内面３０４３と接触している。FIG. 6 is a cross-sectional view taken along the line C-C in FIG. 1
It is in contact with the guide surface 3043.
第７図は第２図Ｃ−Ｃ線断面図で、球面ころ切手径部と
柱の側面油溜り面３０４９と接触せず、中央部分では外
側第２案内面３０４４と接触するが内側でハ幼胴状油溜
り面３０４８と接触しない。FIG. 7 is a cross-sectional view taken along the line C-C in FIG. It does not come into contact with the barrel oil sump surface 3048.
第８図は第２図Ｃ−Ｃ線断面図で、球面ころ４０の小径
部４０４と接触する柱の側面は上側部分で傾別状油溜り
面３０５０と接触しないが、内側部分では第２案内面３
０４５と接触保持している。FIG. 8 is a cross-sectional view taken along the line C-C in FIG. 3
Maintains contact with 045.
１だ、第２図Ｘ−Ｘ線断面すなわち第９図Ｌすわかる工
うに前記内外第１案内面３０４２．３０４３の前記柱３
０４の外面側の縁３０５２と同じく前記柱３０４の内面
側の縁３０５３の前記球面ころ４０を挾む間隔”１ ％
’ｔか前記球面ころ４０の対応する直径ｄ。1, the cross section taken along the line X-X in Figure 2, that is, Figure 9
Similarly to the outer edge 3052 of 04, the interval between the inner edge 3053 of the column 304 and the spherical roller 40 is 1%.
't or the corresponding diameter d of the spherical roller 40.
よりも小さく形成されている。It is formed smaller than.
同様に、第２図Ｃ−Ｃ線断面すなわち第１Ｏ図↓りわか
るように前記内外第２案内面３０４４ 、３０４５の前
記柱３０４の外面側の縁３０５４と同じく前記柱３０４
の内面側の縁３０５５の前記球面ころ４０’ｊｚ挾む
Ｉ間隔Ａ、、Ａ、が前記球面ころ４０の対応す
る直径ｄ＊ Ｊ：りも小？く形成されている。Similarly, as can be seen in the section taken along the line C-C in FIG. 2, that is, in FIG.
The spherical roller 40'jz on the inner edge 3055 of
I interval A,, A, corresponds to the diameter d* of the spherical roller 40. J: Rimo small? It is well formed.
１覧第１図、第３〜第１０図よりわかるように前記柱３
０４の中央部には球面ころ４ｏの挿入時に柱３０４の縁
部３０５２．３０５４の弾性変形を容易にして球面ころ
４０の挿入を容易ならしむるため軸方向に伸びた有底の
溝３ｏ５６が形成されている。As can be seen from Figure 1 and Figures 3 to 10, the pillar 3
A bottomed groove 3o56 extending in the axial direction is formed in the center of 04 to facilitate elastic deformation of the edges 3052, 3054 of the column 304 when inserting the spherical roller 4o, thereby facilitating insertion of the spherical roller 40. has been done.
１だ、第５図〜第１０図よりわかるように、前記柱３０
４の上面の中央部には、保持器３ｏの射出成形時に住３
０４の縁部３０５３．３０５５の弾性変形を容易にして
内型の抜きを容易ならし庁ため、軸方向に伸びた有底の
みぞ３ｏ５７が形成されている。1, as can be seen from Figures 5 to 10, the pillar 30
At the center of the upper surface of 4, a housing 3 is placed during injection molding of the cage 3o.
A bottomed groove 3o57 extending in the axial direction is formed to facilitate elastic deformation of the edges 3053 and 3055 of the 04 to facilitate the removal of the inner mold.
また、球面ころ４０を案内区分する保持器３゜の容性３
０４は、半径方向に十分な幅を有し、かつ配列された球
面ころ４ｏのピッチ円上に位置するように形成されてい
る。In addition, the capacity 3 of the cage 3 which guides and divides the spherical rollers 40 is
04 has a sufficient width in the radial direction and is formed so as to be located on the pitch circle of the arranged spherical rollers 4o.
第４図、ｍ８図、第９図及び第１０図かられかるように
、前記柱３０４の側面形状は球面ころ４゜の中心線Ｙ−
Ｙ’に対し、球面ころ大径部４０３側では外側の幅α（
または厚みともいう。）が広く内側の幅すが挾く形成さ
れており、球面ころ４゜の小径部４０４側では外側と内
側が略同じ幅Ｃに形成芒れている。As can be seen from Fig. 4, Fig. m8, Fig. 9, and Fig. 10, the side surface shape of the pillar 304 is aligned with the center line Y-4 of the spherical roller 4°.
With respect to Y', the outer width α (
Also called thickness. ) are formed to have a wide inner width, and on the small diameter portion 404 side of the 4° spherical roller, the outer and inner sides are formed to have approximately the same width C.
特に、前記実施例にあっては、球面ころ４ｏが非対称で
あり、しかも、その大端面４０１が球面状となっている
ので、前記大径部ｍ ３０２の下面３０２１は、前記こ
ろの端面形状ｒｃ見合った球面状となっている。In particular, in the embodiment, since the spherical roller 4o is asymmetric and its large end surface 401 is spherical, the lower surface 3021 of the large diameter portion m 302 has an end surface shape rc of the roller. It has a suitable spherical shape.
すなわち、ボケッ） ３０５は、球面ころ４ｏの軸心全
室む住３０４の半径方向幅内で球面と６４０ｉ抱くよう
に回転中の球向ころ４ｏの倒れを防止する形状となって
いる。In other words, the spherical roller 4o (bokeh) 305 has a shape that prevents the spherical roller 4o from falling during rotation so that the axial center of the spherical roller 4o is held within the radial width of the entire chamber 304 by 640i with the spherical surface.
％に、前記ボクッ） ３０５の一部を形成している柱３
０４（７］Ｉ１１．１面３０４１ ｔｒｉ 紬ｉｉｅ球
面ころ４０の大径部４０３１１１１４外径に対応する面
の半径方向外側部分に内外第１案内面３０４２．３０４
３と同じく球面ころ４ｏの小径ｆｆ１ｔ ４０４側外径
に対応する面の半径方向外側部分に内外第２案内面３０
４４ 、３０４５が形成されているので、球面ころ４０
はポケット３０５に対し半径方向の内外１１１部分で案
内されること＼なり、前述のスキューＦｉＨに効果的に
防止される。Column 3 forming part of 305
04 (7) I11.1 surface 3041 tri Tsumugi Iie Inner and outer first guide surfaces 3042.304 on the radially outer portion of the surface corresponding to the outer diameter of the large diameter portion 40311114 of the spherical roller 40
3, the small diameter ff1t of the spherical roller 4o is provided with the inner and outer second guide surfaces 30 on the radially outer portion of the surface corresponding to the outer diameter on the 404 side.
44, 3045 are formed, the spherical roller 40
is guided by the inner and outer portions 111 in the radial direction with respect to the pocket 305, and the above-mentioned skew FiH is effectively prevented.
上記せる如きの保持器會射出成形機にて一体成形するさ
い、大径円環３０２側の柱３０４の側面３ｏ４１に略軸
受中心線ｏ −ｏ’に平行な射出成形の外型と内型の分
割ｉｌ ３０１ ｉ設定されるので、アキシアル方向に
相手方の成形型を抜く（アキシアルドロー）ことができ
る。When the cage is integrally molded using an injection molding machine as described above, an outer mold and an inner mold are formed on the side surface 3o41 of the pillar 304 on the large-diameter ring 302 side, which are approximately parallel to the bearing center line o-o'. Since the split il 301 i is set, the other mold can be pulled out in the axial direction (axial draw).
「発明の効果」
本発明の保持器は合成樹脂材料を使用しているので、保
持器全体が軽量となり、高速回転時に保持器の振れ回り
現象による振動発生を防ぐことができる。"Effects of the Invention" Since the cage of the present invention uses a synthetic resin material, the cage as a whole becomes lightweight, and vibrations caused by whirling of the cage during high-speed rotation can be prevented.
′！た、本発明保持器の柱の側面形状は球面ころの中心
線Ｙ−Ｙ’に対して球面ころの大径部側では外側の幅か
広く、内側の幅は狭く、小径側になるにしたがって幅狭
にし、球面ころの小径部側では外側と内側の幅が略同じ
に形成されているので、球面ころをポケットの外側から
組込むさいに、大径側と小径側とで同じ弾性変形量で球
面ころがパチンとポケット内に挿入でき、挿入後は内側
へ抜けることがない。′! In addition, the side shape of the column of the cage of the present invention is such that, with respect to the center line Y-Y' of the spherical roller, the outer width is wider on the large diameter side of the spherical roller, the inner width is narrower, and the width becomes narrower as it approaches the smaller diameter side. The width is narrow, and the outside and inside widths on the small diameter side of the spherical roller are formed to be approximately the same, so when the spherical roller is installed from the outside of the pocket, the large diameter side and the small diameter side have the same amount of elastic deformation. The spherical roller can be inserted into the pocket with a snap, and once inserted, it will not come out inside.
また、前記柱の側面形状が球面ころの中心線ＹＹＪ上の
外側部分では大径側が幅広で、小径側にな乙にしたがっ
て幅狭になるのに対し、内側部分では小径側が幅広で、
大径側になるにしたかって幅狭になっているので、射出
成形後金型の内型全矢印方向のポケット無理抜きする場
合に、内側の小径側はこる径が小宴いため、アキシアル
抜きに無理がない。In addition, the side shape of the pillar is wide on the large diameter side in the outer part on the center line YYJ of the spherical roller, and becomes narrower towards the small diameter side, whereas in the inner part it is wide on the small diameter side,
The width becomes narrower towards the larger diameter side, so when you forcefully pull out the pockets in the entire inner mold direction of the arrow after injection molding, the inner small diameter side has a small diameter, making it difficult to pull out the axial. There is no.
しかし、大径側になるにしたがって無理抜き量が増加す
るため大径側になるにしたがって幅を狭くするこ、とに
よって適量の無理抜きが可能であるまた、合成樹脂製保
持器の柱の側面の大径側は内輪２０のつば面２０２と接
触しないように円周方向に段部が形成されているが、し
段部全球面ころの案内面とせず油溜り面３０４６ 、３
０４７としたので、成形後の内型、外型の無理抜きする
のに非常に都合が工い。However, as the diameter increases, the amount of forced extraction increases, so by narrowing the width as the diameter increases, it is possible to remove an appropriate amount of force. A stepped portion is formed in the circumferential direction on the large diameter side of the inner ring 20 so as not to contact with the flange surface 202 of the inner ring 20. However, the stepped portion is not used as a guide surface for the fully spherical rollers, but instead is used as an oil reservoir surface 3046, 3.
047, it is very convenient for force-cutting the inner and outer molds after molding.
また、内輪の軸への焼嵌めによる取付は時、内
１輪のみ全加熱することができるので、ころと保持
器組立品は焼嵌め後に取付は可能なので、保持器には例
等悪影響がない。In addition, when attaching the inner ring to the shaft by shrink fitting,
Since only one wheel can be fully heated, the roller and cage assembly can be installed after shrink fitting, so there is no adverse effect on the cage.
第１図は本発明保持器の一部断面斜視図、第２図は本発
明保持器を内外輪（仮想線）間に配し、球面ころ（仮想
線）が嵌め込まれている状態を示す断面図、第３図は本
発明保持器の二部平面図、第４図は第２図Ｘ−Ｘ線断面
図、第５図は第２図Ｘ−Ｘ線断面図、第６ｒ！！Ｕハ第
２図Ｃ−Ｃ線断面。
、第７図は第２図Ｘ−Ｘ線断面図、第８図は第２図Ｘ−
Ｘ線断面図、第９図は第２図Ｘ−Ｘ線断面図、第１０図
は第２図Ｘ−Ｘ線断面図である。
ｌＯ：外輪 ２０：内輪 ３０：保持器４０：球面
ころ ３０１：型の分割線３０２：大径円環 ３０
３：小径部３３１３０４：柱３０４２ ：外側第１案内
面 ３０４４ ：外側第２案内面３０４３ ：内側第１
案内面 ３０４５ ：内側第２案内面３０４６〜３０５
０ ：油溜り面
３０５６ ：溝
特軒出願人 日本精工株式会社
糸３図
第６図
亮７図
箒Ｓ図Fig. 1 is a partial cross-sectional perspective view of the cage of the present invention, and Fig. 2 is a cross-sectional view showing the cage of the present invention arranged between the inner and outer rings (imaginary line) and spherical rollers (imaginary line) fitted therein. 3 is a two-part plan view of the cage of the present invention, FIG. 4 is a sectional view taken along line XX in FIG. 2, FIG. 5 is a sectional view taken along line XX in FIG. ! Cross section taken along line C-C in Figure 2. , Fig. 7 is a sectional view taken along the line X-X in Fig. 2, and Fig. 8 is a sectional view taken along the line X-X in Fig. 2.
9 is a sectional view taken along line XX in FIG. 2, and FIG. 10 is a sectional view taken along line XX in FIG. 2. lO: Outer ring 20: Inner ring 30: Cage 40: Spherical roller 301: Mold parting line 302: Large diameter ring 30
3: Small diameter portion 331304: Pillar 3042: Outside first guide surface 3044: Outside second guide surface 3043: Inside first
Guide surface 3045: Inner second guide surface 3046 to 305
0: Oil sump surface 3056: Mizotokuken Applicant NSK Co., Ltd. Thread 3 Figure 6 Ryo 7 Figure Broom S diagram
Claims (5)
輪の球面軌道との間に多数配設される球面ころを円周方
向に区分し、保持するスラスト自動調心ころ軸受の保持
器において、前記球面ころの大端面側に位置する大径円
環と、前記球面ころの小径側に位置する小径円環と、前
記大径円環と前記小径円環とを連結する多数の柱とから
なり、前記大径円環の下面と、前記小径円環の上面と、
前記の柱の側面とで囲繞して前記球面ころを収容するポ
ケットが形成され、前記大径円環側の前記柱の側面に、
軸受中心線にほゞ平行な射出成形の外型と内型の分割線
が形成されることを特徴とするスラスト自動調心ころ軸
受用合成樹脂保持器。(1) A cage for a thrust self-aligning roller bearing that divides and holds a large number of spherical rollers in the circumferential direction between the spherical raceway of the outer ring and the spherical raceway of the inner ring that opposes the spherical raceway. , a large-diameter ring located on the large end surface side of the spherical roller, a small-diameter ring located on the small-diameter side of the spherical roller, and a number of columns connecting the large-diameter ring and the small-diameter ring. a lower surface of the large-diameter ring, and an upper surface of the small-diameter ring,
A pocket is formed surrounding the side surface of the column to accommodate the spherical roller, and on the side surface of the column on the large diameter annular side,
A synthetic resin cage for a thrust self-aligning roller bearing, characterized in that a parting line between an injection molded outer mold and an inner mold is formed substantially parallel to the bearing center line.
の範囲第１項記載のスラスト自動調心ころ軸受用合成樹
脂保持器。(2) A synthetic resin retainer for a thrust self-aligning roller bearing according to claim 1, wherein the pillars have grooves on the outer and inner surfaces thereof.
輪の球面軌道との間に多数配設される球面ころを円周方
向に区分し、保持するスラスト自動調心ころ軸受の保持
器において、前記球面ころの大端面側に位置する大径円
環と、前記球面ころの小径側に位置する小径円環と、前
記大径円環と前記小径円環とを連結する多数の柱とから
なり、前記大径円環の下面と、前記小径円環の上面と、
前記の柱の側面とで囲繞して前記球面ころを収容するポ
ケットが形成されてなり、前記柱の側面は、前記球面こ
ろの大径部側外径に対応する面の半径方向外側部分で前
記分割線に隣接する前記球面ころを案内する外側第１案
内面と、前記球面ころの大径部側外径に対応する面の半
径方向内側部分に前記球面ころを案内する内側第１案内
面と、前記球面ころの小径部側外径に対応する面の半径
方向の外側部分で前記球面ころを案内する外側第２案内
面と、前記球面ころの小径部側外側に対応する面の半径
方向の内側部分に前記球面ころを案内する内側第２案内
面とを有し、前記内外第１案内面の前記柱の外面側の縁
と、同じく前記柱の内面側の縁の前記球面ころを挾む間
隔が、前記球面ころの対応する直径よりも小さく形成さ
れ、前記内外第２案内面の前記柱の外面側の縁と同じく
前記柱の内面側の縁の前記球面ころを挾む間隔が、前記
球面ころの対応する直径よりも小さく形成されているこ
とを特徴とするスラスト自動調心ころ軸受用合成樹脂保
持器。(3) A retainer for a thrust self-aligning roller bearing that divides and holds a large number of spherical rollers in the circumferential direction between the spherical raceway of the outer ring and the spherical raceway of the inner ring that opposes the spherical raceway. , a large-diameter ring located on the large end surface side of the spherical roller, a small-diameter ring located on the small-diameter side of the spherical roller, and a number of columns connecting the large-diameter ring and the small-diameter ring. a lower surface of the large-diameter ring, and an upper surface of the small-diameter ring,
A pocket for accommodating the spherical roller is formed surrounding the side surface of the column, and the side surface of the column is located at a radially outer portion of the surface corresponding to the outer diameter of the large diameter portion of the spherical roller. an outer first guide surface that guides the spherical roller adjacent to the parting line; and an inner first guide surface that guides the spherical roller to a radially inner portion of a surface corresponding to the outer diameter of the large diameter portion of the spherical roller. , an outer second guide surface that guides the spherical roller at a radially outer portion of the surface corresponding to the outer diameter on the small diameter side of the spherical roller; It has an inner second guide surface that guides the spherical roller in the inner part, and the spherical roller is sandwiched between the outer edge of the column of the inner and outer first guide surfaces and the inner edge of the column. The interval is formed to be smaller than the corresponding diameter of the spherical rollers, and the interval between the spherical rollers of the outer edge of the column and the inner edge of the column of the inner and outer second guide surfaces is formed to be smaller than the corresponding diameter of the spherical roller. A synthetic resin cage for a thrust self-aligning roller bearing, characterized in that it is formed smaller than the corresponding diameter of the spherical rollers.
が対応する前記球面ころの外径の球面に略等しい曲率を
有する球面形状に形成されている特許請求の範囲第３項
記載のスラスト自動調心ころ軸受用合成樹脂保持器。(4) The inner and outer first guide surfaces and the inner and outer second guide surfaces are each formed into a spherical shape having a curvature approximately equal to the spherical surface of the outer diameter of the corresponding spherical roller. Synthetic resin cage for thrust self-aligning roller bearings.
第２案内面を除く他の面が、前記内外第１案内面及び内
外第２案内面より凹んでいる油溜り面を有し、さらに前
記大径円環の下面が前記大径円環側の前記球面ころ大径
部の大端面に曲率にほぼ等しい曲率を有する形状に形成
され、かつ、その中央部分に、油溜り面を有する特許請
求の範囲第３項または第４項記載のスラスト自動調心こ
ろ軸受用合成樹脂保持器。(5) The side surface of the pillar has an oil sump surface on which other surfaces other than the first inner and outer guide surfaces and the second inner and outer guide surfaces are recessed from the first and second inner and outer guide surfaces. Further, the lower surface of the large-diameter ring is formed in a shape having a curvature approximately equal to the curvature of the large end surface of the large-diameter portion of the spherical roller on the large-diameter ring side, and an oil reservoir surface is formed in the center thereof. A synthetic resin cage for a thrust self-aligning roller bearing according to claim 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59214334A JPS6196216A (en) | 1984-10-15 | 1984-10-15 | Synthetic resin cage for thrust self-aligning roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59214334A JPS6196216A (en) | 1984-10-15 | 1984-10-15 | Synthetic resin cage for thrust self-aligning roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196216A true JPS6196216A (en) | 1986-05-14 |
Family
ID=16654033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59214334A Pending JPS6196216A (en) | 1984-10-15 | 1984-10-15 | Synthetic resin cage for thrust self-aligning roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196216A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0530554U (en) * | 1991-09-30 | 1993-04-23 | エヌテイエヌ株式会社 | Solid type cage |
| JPH05187444A (en) * | 1991-06-28 | 1993-07-27 | Skf:Ab | Roller bearing |
| CN105143697A (en) * | 2013-04-04 | 2015-12-09 | 日本精工株式会社 | Tapered roller bearing-use resin made cage and tapered roller bearing provided with such cage |
| US10302131B2 (en) | 2012-12-25 | 2019-05-28 | Nsk Ltd. | Tapered roller bearing |
| WO2023179820A1 (en) * | 2022-03-24 | 2023-09-28 | Schaeffler Technologies AG & Co. KG | Tapered roller bearing and arrangement |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56156521A (en) * | 1980-04-11 | 1981-12-03 | Federal Mogul Corp | Bearing cage |
-
1984
- 1984-10-15 JP JP59214334A patent/JPS6196216A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56156521A (en) * | 1980-04-11 | 1981-12-03 | Federal Mogul Corp | Bearing cage |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187444A (en) * | 1991-06-28 | 1993-07-27 | Skf:Ab | Roller bearing |
| JPH0530554U (en) * | 1991-09-30 | 1993-04-23 | エヌテイエヌ株式会社 | Solid type cage |
| US10302131B2 (en) | 2012-12-25 | 2019-05-28 | Nsk Ltd. | Tapered roller bearing |
| CN105143697A (en) * | 2013-04-04 | 2015-12-09 | 日本精工株式会社 | Tapered roller bearing-use resin made cage and tapered roller bearing provided with such cage |
| US20160040716A1 (en) * | 2013-04-04 | 2016-02-11 | Nsk Ltd. | Resin cage for tapered roller bearing and tapered roller bearing including the resin cage |
| US9995341B2 (en) | 2013-04-04 | 2018-06-12 | Nsk Ltd. | Resin cage for tapered roller bearing and tapered roller bearing including the resin cage |
| WO2023179820A1 (en) * | 2022-03-24 | 2023-09-28 | Schaeffler Technologies AG & Co. KG | Tapered roller bearing and arrangement |
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