CN101532538A - Cylindrical roller bearing engineering plastics cage - Google Patents
Cylindrical roller bearing engineering plastics cage Download PDFInfo
- Publication number
- CN101532538A CN101532538A CN200910079930A CN200910079930A CN101532538A CN 101532538 A CN101532538 A CN 101532538A CN 200910079930 A CN200910079930 A CN 200910079930A CN 200910079930 A CN200910079930 A CN 200910079930A CN 101532538 A CN101532538 A CN 101532538A
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- China
- Prior art keywords
- beams
- window
- collar tie
- plastics cage
- engineering plastics
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a cylindrical roller bearing engineering plastics cage, comprising two round ring beams and a plurality of window beams connecting the two ring beams in an even and circle distribution way. Two adjacent window beams form a fenestra, and lug boss fore shafts limiting rollers are arranged at the inside diameter side of the window beams; wherein a plurality of lug bosses are evenly and discontinuously arranged at the outside diameter surface of the ring beams, every lug boss corresponds to a fenestra, the adjacent lug bosses form a groove of the outside diameter surface of the ring beams, a round of grooves are arranged at the outside end surface of the ring beams, strengthening ribs are arranged evenly in the grooves, window beam grooves are arranged at the outside diameter surface of the window beams, and oil guide grooves are arranged at the intersection of the roller contact surface of the window beams and the inner end surface of the ring beams. The invention can decrease deformation of the plastics cage, and improve mechanical property of the plastics cage, thereby prolonging service life of the plastics cage; material is saved, weight is decreased, running speed of the bearing is increased and oil is distributed evenly; in particular, the lug bosses of the outside diameter surface of the ring beams are ensured to have good contact with supporting surface of the bearing outer ring inside diameter, smooth state is improved and abrasion of the bearing outer ring is lessened.
Description
Technical field
The present invention relates to adopt the engineering plastics cage of Shooting Technique formation, especially a kind of cylindrical roller bearing engineering plastics cage.
Background technique
Present engineering plastics cylindrical roller retainer is by two circular collar tie beams and the some window beams that are connected between two collar tie beams are made into integration with evenly being periphery, and the internal side diameter of window beam is shaped on the fore shaft of restriction roller, forms fenestra between the adjacent two window beams.There is following defective in this structure:
At first, the window beam directly intersects together with the fore shaft of window beam and the collar tie beam of both sides, makes collar tie beam very slightly thick, relatively waste material.Present engineering plastics cylindrical roller retainer adopts Shooting Technique to make more, because the narrow limitation of technology and raw material self can cause retainer very easily to occur at the heavy wall position shrinking uneven phenomenon, thereby cause the retainer distortion and influence the dimensional accuracy of retainer.
In addition, the outer diametric plane of collar tie beam can contact with the internal diameter supporting surface of bearing outer ring in the bearing operation process, but the passage that does not have lubricant grease because of the outer diametric plane of collar tie beam, therefore can't be the retainer collar tie beam outside the good oil film of formation between diametric plane and the bearing outer ring aperture surface, bearing outer ring internal diameter supporting surface wear problems takes place often, if and the impurity of the larger particles in the lubricant oil can not in time discharge, can cause excessive wear, can damage bearing outer ring ball track when serious.
Summary of the invention
In view of above-mentioned, the purpose of this invention is to provide and a kind ofly can save the material weight reduction, improve bearing operation speed, can reduce again between retainer and the bearing outer ring the kinetic friction wearing and tearing, can also guarantee the cylindrical roller bearing engineering plastics cage of retainer mechanical property and dimensional stability.
For solving above-mentioned technical problem, the present invention adopts following technical proposals:
A kind of cylindrical roller bearing engineering plastics cage comprises two circular collar tie beams and is connected in some window beams between two collar tie beams with evenly being periphery that form fenestra between the adjacent two window beams, the internal side diameter of window beam is shaped on the fore shaft of restriction roller, wherein:
Some boss that evenly and discontinuously distribute on the outer diametric plane of described collar tie beam, the corresponding described fenestra of the boss of each collar tie beam forms the outer diametric plane groove of collar tie beam between the boss of adjacent two collar tie beams.
Further, the fore shaft of described window beam is made of the boss that the stage casing of the aperture surface of window beam extends internally out.
Again further, the stage casing of the outer diametric plane of described window beam has window beam groove.
Again further, the exterior edge face of described collar tie beam has groove, uniform stiffening rib in this groove.
Again further, oil guide slot is left in the joint of the side of described window beam and described collar tie beam interior edge face, forms oil circuit between the outer diametric plane groove of described collar tie beam and this oil guide slot.
The present invention has the following advantages:
Because the window beam is shaped on independently boss fore shaft, makes things convenient for bearing unit assembling effect so can play positioning roller;
Owing to be shaped on groove on the outer diametric plane of window beam, so can effectively reduce the contraction deformation of window beam, avoid subsurface defect to guarantee product size, can also store grease in the groove simultaneously,, prolongation bearing lubricated working life to strengthen;
Because equally distributed boss shape becomes collar tie beam external diameter face groove on the outer diametric plane of collar tie beam, therefore, oil guide slot on outer diametric plane groove of collar tie beam and the collar tie beam interior edge face communicates on the one hand, can be better for the running of roller provides lubricant oil, it is good lubricated that outer diametric plane of retainer collar tie beam and bearing outer ring internal diameter supporting surface are formed; Can save material on the other hand, reduce product weight, useful to improving bearing operation speed;
Owing to be shaped on stiffening rib in the collar tie beam end face groove, so can improve the mechanical property of retainer, also can reduce the radial deformation of collar tie beam simultaneously, guarantee the retainer dimensional accuracy.
Description of drawings
Fig. 1 is structural representation of the present invention (the B-B sectional view of Fig. 2);
Fig. 2 is structural representation of the present invention (the A-A sectional view of Fig. 1);
Fig. 3 is fenestra and oil groove schematic representation;
Fig. 4 is stiffening rib schematic representation (G of Fig. 2 is to sectional view);
Fig. 5 is collar tie beam groove schematic representation (H of Fig. 1 is to sectional view).
Embodiment
Be described further below in conjunction with accompanying drawing.
As Fig. 1-shown in Figure 5, the present invention is a kind of cylindrical roller bearing engineering plastics cage, it comprises two circular collar tie beams 1 and is connected in some window beams 2 between two collar tie beams 1 with evenly being periphery, window beam 2 is divided equally the collar tie beam 1 of both sides at interval, form fenestra between the adjacent two window beams 2, the internal side diameter of window beam 2 is shaped on the fore shaft of restriction roller, and window beam 2 is made into integration by the Shooting Technique mode with collar tie beam 1.Wherein:
As shown in Figure 1 and Figure 4, some boss 12 that distribute equably on the outer diametric plane of collar tie beam 1, boss 12 corresponding fenestras of each collar tie beam 1 form the outer diametric plane groove 11 of the collar tie beam with certain depth between the boss 12 of adjacent two collar tie beams.
As shown in figures 1 and 3, oil guide slot 3 is left in the joint of the interior edge face 13 of the side 21 of window beam 2 (being the surface of contact of window beam and roller) and collar tie beam 1, forms unobstructed oil circuit between the oil guide slot 3 on outer diametric plane groove 11 of collar tie beam and the collar tie beam interior edge face.Like this, both help the lubricated of cylindrical roller and inside and outside circle raceway, helped lubricating between outer diametric plane boss 12 of retainer collar tie beam and the bearing outer ring internal diameter supporting surface again, supplied the space for storing lubricant oil simultaneously.
In addition, as Fig. 1, Fig. 2, shown in Figure 4, the fore shaft of window beam 2 is made of the boss 22 that the stage casing of the aperture surface of window beam 2 extends internally out.Window beam boss fore shaft 22 is integrated injection structures with window beam 2, but window beam boss fore shaft 22 does not all have crossing with both sides collar tie beam 1, therefore saved the material of collar tie beam 1, in the bearing pack process of assembling, still can play simultaneously preventing that roller from deviating from from the inboard, guarantee that again the roller outside is lower than the effect of the outer diametric plane ease of assembly of retainer.
Further, as shown in Figure 5, stage casing at the outer diametric plane of window beam 2 has window beam groove 5, because if engineering plastics cage wall thickness in injection moulding is excessive, can produce subsurface defect in contraction process also may cause the product distortion and have a strong impact on its dimensional accuracy, the design of this window beam groove 5 can make the wall thickness of window beam 2 reduce, reduce the influence of window beam 2 distortion to retainer, thereby product size and mechanical property have been guaranteed, simultaneously can also store grease in the groove 5, lubricated to strengthen, prolong bearing working life.
Again further, the technology capability when improving the retainer injection moulding, reduce the product distortion and avoid subsurface defect, as Fig. 2 and shown in Figure 4, have groove 15, horizontal uniform stiffening ribs 4 in this groove 15 in the exterior edge face 14 of collar tie beam 1.Design groove 15 is in order to reduce material and uniform wall thickness, to be evenly distributed on groove 15 interior stiffening ribs 4 and can to improve the structural strength of retainer and reduce the product distortion on collar tie beam 1 exterior edge face 14.
The above only is preferred embodiment, is not to be used for limiting practical range of the present invention.So all those who are familiar with this art, all can not go out under the marrow situation of the present invention to make various variations and modification, but these variations and modifying all should be covered by within the scope of patent protection that claims of the present invention define.
Claims (5)
1. cylindrical roller bearing engineering plastics cage comprises two circular collar tie beams and is connected in some window beams between two collar tie beams with evenly being periphery, and form fenestra between the adjacent two window beams, the internal side diameter of window beam is shaped on the fore shaft of restriction roller, it is characterized in that:
Some boss that evenly and discontinuously distribute on the outer diametric plane of described collar tie beam, the corresponding described fenestra of the boss of each collar tie beam forms the outer diametric plane groove of collar tie beam between the boss of adjacent two collar tie beams.
2. cylindrical roller bearing engineering plastics cage as claimed in claim 1 is characterized in that:
The fore shaft of described window beam is made of the boss that the stage casing of the aperture surface of window beam extends internally out.
3. cylindrical roller bearing engineering plastics cage as claimed in claim 2 is characterized in that:
The stage casing of the outer diametric plane of described window beam has window beam groove.
4. cylindrical roller bearing engineering plastics cage as claimed in claim 1 is characterized in that:
The exterior edge face of described collar tie beam has groove, uniform stiffening rib in this groove.
5. as the described cylindrical roller bearing engineering plastics cage of one of claim 1 to 4, it is characterized in that:
Oil guide slot is left in the joint of the side of described window beam and described collar tie beam interior edge face, forms oil circuit between the outer diametric plane groove of described collar tie beam and this oil guide slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910079930A CN101532538A (en) | 2009-03-13 | 2009-03-13 | Cylindrical roller bearing engineering plastics cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910079930A CN101532538A (en) | 2009-03-13 | 2009-03-13 | Cylindrical roller bearing engineering plastics cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101532538A true CN101532538A (en) | 2009-09-16 |
Family
ID=41103323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910079930A Pending CN101532538A (en) | 2009-03-13 | 2009-03-13 | Cylindrical roller bearing engineering plastics cage |
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| Country | Link |
|---|---|
| CN (1) | CN101532538A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454707A (en) * | 2010-10-26 | 2012-05-16 | 中国北车集团大连机车研究所有限公司 | Bearing retainer and bearing |
| CN103032456A (en) * | 2012-12-28 | 2013-04-10 | 瓦房店轴承集团有限责任公司 | Cylindrical roller thrust bearing of novel spline cage |
| CN103291757A (en) * | 2013-05-17 | 2013-09-11 | 洛阳特重轴承有限公司 | Large-size pivotal bearing segmented specially-shaped retainer |
| CN104863966A (en) * | 2015-05-19 | 2015-08-26 | 北京隆轩橡塑有限公司 | Enhanced bearing plastic steel retainer |
| CN105114464A (en) * | 2015-09-30 | 2015-12-02 | 河南科技大学 | Integral retainer with three rows of cylindrical roller turntable bearings |
| CN109994767A (en) * | 2019-04-30 | 2019-07-09 | 无锡先导智能装备股份有限公司 | A kind of hypanthium jig |
| CN113503321A (en) * | 2021-08-06 | 2021-10-15 | 中车大连机车研究所有限公司 | Cylindrical roller bearing for urban rail transit gear box |
-
2009
- 2009-03-13 CN CN200910079930A patent/CN101532538A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454707A (en) * | 2010-10-26 | 2012-05-16 | 中国北车集团大连机车研究所有限公司 | Bearing retainer and bearing |
| CN103032456A (en) * | 2012-12-28 | 2013-04-10 | 瓦房店轴承集团有限责任公司 | Cylindrical roller thrust bearing of novel spline cage |
| CN103291757A (en) * | 2013-05-17 | 2013-09-11 | 洛阳特重轴承有限公司 | Large-size pivotal bearing segmented specially-shaped retainer |
| CN104863966A (en) * | 2015-05-19 | 2015-08-26 | 北京隆轩橡塑有限公司 | Enhanced bearing plastic steel retainer |
| CN105114464A (en) * | 2015-09-30 | 2015-12-02 | 河南科技大学 | Integral retainer with three rows of cylindrical roller turntable bearings |
| CN109994767A (en) * | 2019-04-30 | 2019-07-09 | 无锡先导智能装备股份有限公司 | A kind of hypanthium jig |
| CN113503321A (en) * | 2021-08-06 | 2021-10-15 | 中车大连机车研究所有限公司 | Cylindrical roller bearing for urban rail transit gear box |
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| PB01 | Publication | ||
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Open date: 20090916 |