CN215673201U - Special retainer for ultra-high-speed angular contact bearing - Google Patents
Special retainer for ultra-high-speed angular contact bearing Download PDFInfo
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- CN215673201U CN215673201U CN202121540742.5U CN202121540742U CN215673201U CN 215673201 U CN215673201 U CN 215673201U CN 202121540742 U CN202121540742 U CN 202121540742U CN 215673201 U CN215673201 U CN 215673201U
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- angular contact
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- 238000005096 rolling process Methods 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 230000006872 improvement Effects 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 69
- 239000002184 metal Substances 0.000 claims description 62
- 238000007599 discharging Methods 0.000 claims description 20
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 9
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 9
- 229920002530 polyetherether ketone Polymers 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 229920001342 Bakelite® Polymers 0.000 description 3
- 239000004637 bakelite Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a special retainer for an ultra-high-speed angular contact bearing, wherein the bearing retainer mainly comprises an outer ring and an inner ring which form a main body structure, and the outer ring and the inner ring are fixed into an integrated structure through injection molding; the method comprises the following steps: pockets circumferentially opened at equal intervals inside the side surfaces of the outer ring and the inner ring; the bevel angle is arranged on the side surfaces of the outer ring and the inner ring and acts on the improvement of the deformation caused by material shrinkage when the outer ring and the inner ring are subjected to injection molding; the outer transition round corners are arranged on two sides of the pocket arranged on the inner side of the outer ring; and the inner transition fillets are arranged on two sides of the pocket arranged on the inner side of the inner ring. This special holder of hypervelocity angular contact bearing adopts neotype structural design for this holder has optimized the pocket hole structure, has certain play volume in the pocket hole when making the rolling element rotate, and the rotation flexibility ratio is higher, and is provided with intensity in the holder and adds the holding structure, improves the result of use of holder when the bearing operates at a high speed.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a special retainer for an ultra-high-speed angular contact bearing.
Background
The rolling bearing main structure mainly comprises an inner ring, an outer ring, a rolling body and a retainer, wherein the retainer is used for limiting the arrangement position of the rolling body and keeping the rolling body to normally rotate in the bearing transmission process, the rolling body is arranged in a pocket of the retainer, and the bearing retainer mainly plays the roles of evenly dividing and guiding the rolling body, storing lubricating grease and keeping the bearing to stably run, but in the field of ultra-high-speed bearings, the retainer always has the main problem of influencing the running quality of the bearing.
Vibration, noise, generate heat and life when the structure and the quality direct influence bearing operation of holder, traditional hypervelocity bearing holder mainly uses the bakelite structure as leading, because unstable factor can cause abnormal sound, vibration big and deformation scheduling problem to traditional holder is comparatively laminated with the rolling contact surface, and the rolling element does not have certain play volume in the pocket, and the rotation flexibility ratio is limited, influences the bearing transmission effect.
Therefore, it is necessary to design a cage dedicated to the ultra-high-speed angular contact bearing in order to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special retainer for an ultra-high-speed angular contact bearing, which aims to solve the problems that the structure and the quality of the retainer proposed in the background technology directly influence the vibration, the noise, the heat generation and the service life of the bearing during operation.
In order to achieve the purpose, the utility model provides the following technical scheme: the special retainer for the ultra-high-speed angular contact bearing is mainly of a main body structure consisting of an outer ring and an inner ring, and the outer ring and the inner ring are fixed into an integrated structure through injection molding;
the special retainer for the ultra-high-speed angular contact bearing comprises:
the equidistant circumference of the pocket is arranged in the side surfaces of the outer ring and the inner ring, and the two sides of the pocket are provided with tangent planes which are smooth curved surface structures;
the bevel angle is arranged on the side surfaces of the outer ring and the inner ring and acts on the improvement of the deformation caused by material shrinkage when the outer ring and the inner ring are subjected to injection molding;
the outer transition round angle is arranged on two sides of a pocket arranged on the inner side of the outer ring, and an outer lock ball point is arranged on the side surface of the pocket arranged in the outer ring;
the inner transition round angle is arranged on two sides of a pocket arranged on the inner side of the inner ring, and an inner lock ball point is arranged on the side face of the pocket arranged in the inner ring.
Preferably, outer loop and inner ring laminating are fixed, just the pocket hole position that outer loop and inner ring side were seted up communicates each other correspondingly, the inner ring with the outer loop adopts the preparation of PEEK material, and the PEEK material has advantages such as high strength, stand wear and tear, self-lubricating, high temperature resistant and high dimensional stability.
Preferably, the tangent plane and the outer ball locking point are smoothly connected and arranged on two sides of a pocket in the outer ring, the tangent plane and the inner ball locking point are smoothly connected and arranged on two sides of the pocket in the inner ring, the tangent plane, the outer ball locking point and the inner ball locking point arranged in the pocket enable the rolling body to rotate with a certain play amount, and the bearing rotates flexibly.
Preferably, the inside of the pocket is provided with a rolling body for controlling the bearing to be rotatably connected in a penetrating manner, and the rolling body is stably contacted with the outer ring and the inner ring through a tangent plane arranged in a smooth structure, and the pocket arranged in a special-shaped structure can keep the rolling body to rotate flexibly.
Preferably, the inner side of the outer ring is further provided with a reinforcing groove and an outer heat discharge hole:
the reinforcing groove is formed in the outer ring at equal angles, and the left side and the right side of the reinforcing groove are symmetrically provided with adjusting grooves;
and the outer heat discharging holes are formed in the side surface of the outer ring and communicated with the reinforcing groove, and meanwhile, the inner part of the reinforcing groove is clamped with a metal reinforcing block.
Preferably, the inner and outer sides of the metal reinforcing block are further provided with an elastic metal sheet and an inner heat-discharging hole:
the elastic metal sheets are fixedly attached to the left side and the right side of the metal reinforcing block, and a heat collecting groove is formed in the metal reinforcing block;
and the inner heat-discharging hole is formed in the middle position of the front side of the metal reinforcing block, and a rubber cushion pad is fixedly clamped on the outer side surface of the metal reinforcing block.
Preferably, the metal reinforcing block forms the dismouting structure through reinforcing groove and outer loop, just the leading flank of metal reinforcing block passes through rubber buffer pad extrusion laminating and is in the inside in reinforcing groove, simultaneously the left and right sides of metal reinforcing block sets up in the inside of adjustment tank through elastic metal piece elasticity extrusion laminating respectively, with metal reinforcing block setting between outer loop and inside and outside, can improve holistic intensity of holder and stability, avoids the holder to produce the deformation phenomenon when the high rotation of bearing.
Preferably, the outer heat discharging holes are formed in the side face of the outer ring at equal intervals, the positions of the outer heat discharging holes formed in the outer ring correspond to the positions of the inner heat discharging holes formed in the metal reinforcing block, and the arrangement of the outer heat discharging holes and the inner heat discharging holes enables the retainer of the bearing to quickly discharge heat outwards in the rotating process of the bearing, so that the service temperature of the retainer when the bearing rotates at a high speed is reduced.
Compared with the prior art, the utility model has the beneficial effects that: the retainer special for the ultrahigh-speed angular contact bearing adopts a novel structural design, so that the outer ring and the inner ring are inserted and fixed in an injection molding mode, the effects of improving the lubricating performance of the bearing, enhancing the rotating stability and reducing the temperature rise and the noise are achieved by improving the shape of the pocket and optimizing the details of the pocket, and the use effect of the retainer can be further improved by arranging a reinforcing and radiating structure in the retainer;
1. the main body structure outer ring and the inner and outer parts in the retainer are made of PEEK materials, the PEEK materials have the advantages of high strength, wear resistance, self-lubrication, high temperature resistance, high dimensional stability and the like, the practicability of the retainer is higher than that of a traditional bakelite structure, meanwhile, the outer ring and the inner ring are correspondingly provided with pocket hole structures, the inner sides of the pocket holes are smoothly provided with a tangent plane, an outer transition fillet, an outer ball locking point, an inner transition fillet, an inner ball locking point and the like, the structure that the pocket holes are in contact with the rolling bodies is improved, the rolling bodies have certain displacement when rotating in the pocket holes, and the rolling bodies are high in rotation flexibility;
2. the metal reinforcement block structure has been inserted to outer loop and inner ring junction, metal reinforcement block intensity is stronger, it can increase the bulk strength that the holder used, it produces deformation to avoid the holder to receive the influence of use factor, the metal reinforcement block outside is provided with the elastic metal sheet structure simultaneously, the heat that the holder produced when the rolling element rotates can be absorbed in the outer loop inboard to its laminating, heat transfer to the inside of metal fixation block, outwards discharge through the interior heat dissipation hole that corresponds and outer heat dissipation hole, reduce the temperature of holder in the use, improve its result of use.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the rolling element of the present invention;
FIG. 4 is a front view of the pocket according to the present invention;
FIG. 5 is a schematic top view of the outer ring of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;
FIG. 7 is a schematic top view of the elastic metal sheet of the present invention;
FIG. 8 is a schematic side view of the elastic metal sheet according to the present invention.
In the figure: 1. an outer ring; 101. an outer transition fillet; 102. an outer lock ball point; 2. an inner ring; 201. an inner transition fillet; 202. an inner lock ball point; 3. a pocket hole; 4. cutting into noodles; 5. oblique angle; 6. a reinforcing groove; 7. an adjustment groove; 8. outer heat discharge holes; 9. a metal reinforcing block; 901. a resilient metal sheet; 902. a heat collection tank; 903. an inner heat-discharging hole; 904. a rubber cushion pad; 10. and a rolling body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the special retainer for the ultra-high-speed angular contact bearing mainly comprises an outer ring 1 and an inner ring 2 which form a main body structure, and the outer ring 1 and the inner ring 2 are fixed into an integrated structure through injection molding;
the special retainer for the ultra-high-speed angular contact bearing comprises:
the equidistant circumference of the pocket 3 is arranged inside the side surfaces of the outer ring 1 and the inner ring 2, and the two sides of the pocket 3 are provided with tangent planes 4, and the tangent planes 4 are of smooth curved surface structures;
the bevel angle 5 is arranged on the side surfaces of the outer ring 1 and the inner ring 2, and the bevel angle 5 is used for improving the deformation caused by material shrinkage when the outer ring 1 and the inner ring 2 are injected;
the outer transition round angle 101 is arranged on two sides of a pocket 3 arranged on the inner side of the outer ring 1, and an outer lock ball point 102 is arranged on the side surface of the pocket 3 arranged in the outer ring 1;
the inner transition fillet 201 is arranged on two sides of the pocket 3 arranged on the inner side of the inner ring 2, and an inner lock ball point 202 is arranged on the side surface of the pocket 3 arranged on the inner side of the inner ring 2.
In the embodiment, an outer ring 1 and an inner ring 2 are attached and fixed, pockets 3 formed in the side surfaces of the outer ring 1 and the inner ring 2 are communicated and correspond to each other, and the inner ring 2 and the outer ring 1 are made of PEEK materials; the tangent plane 4 and the outer locking ball point 102 are smoothly connected and arranged at two sides of the pocket 3 in the outer ring 1, and the tangent plane 4 and the inner locking ball point 202 are smoothly connected and arranged at two sides of the pocket 3 in the inner ring 2; the inside of the pocket 3 is provided with rolling bodies 10 throughout the rotation to control the rotational connection of the bearing, and the cut surfaces 4 are smoothly configured such that the rolling bodies 10 are smoothly contacted with the outer ring 1 and the inner ring 2.
The inner ring 2 and the outer ring 1 are made of PEEK materials and form a fixed opposite insertion structure through an injection molding process (the PEEK materials have the advantages of high strength, wear resistance, self lubrication, high temperature resistance, high dimensional stability and the like, and compared with a traditional bakelite structure, the retainer using performance is better), the positions of pockets 3 in the inner ring 2 and the outer ring 1 correspond to each other, the rolling bodies 10 are arranged inside the pockets 3, the retainer and the rolling bodies 10 are arranged between an outer ring and an inner ring of a roller, when the bearing rotates, the roller body 10 rotates inside the pockets 3, the lateral surfaces of the pockets 3 are smoothly connected with an outer transition fillet 101, an outer ball locking point 102, an inner transition fillet 201, an inner ball locking point 202, a tangent plane 4 and the like, the pockets 3 of a special-shaped structure are formed by the partial structures, so that the rolling bodies 10 have certain play amount when the pockets 3 rotate inside, the rolling bodies 20 rotate flexibly and do not drop balls, and meanwhile, the lubricating performance and the size of the bearing can be improved by the partial pocket 3 structure, The effects of enhancing the rotation stability and reducing the temperature rise and the noise.
The inner side of the outer ring 1 is also provided with a reinforcing groove 6 and an outer heat discharge hole 8: the reinforcing groove 6 is formed in the outer ring 1 at equal angles, and the left side and the right side of the reinforcing groove 6 are symmetrically provided with adjusting grooves 7; the outer heat discharging holes 8 are formed in the side face of the outer ring 1, the outer heat discharging holes 8 are communicated with the reinforcing groove 6, and meanwhile, the metal reinforcing blocks 9 are clamped inside the reinforcing groove 6; the inner and outer sides of the metal reinforcing block 9 are also provided with elastic metal sheets 901 and inner heat-discharging holes 903: elastic metal sheets 901 which are fixedly attached to the left and right sides of the metal reinforcing block 9, and a heat collecting groove 902 is formed inside the metal reinforcing block 9; an inner heat-discharging hole 903 which is provided at the middle position of the front side of the metal reinforcing block 9, and a rubber cushion 904 is fixedly clamped on the outer side surface of the metal reinforcing block 9; the metal reinforcing block 9 and the outer ring 1 form a dismounting structure through the reinforcing groove 6, the front side surface of the metal reinforcing block 9 is extruded and jointed in the reinforcing groove 6 through the rubber buffer 904, and the left side and the right side of the metal reinforcing block 9 are respectively elastically extruded and jointed in the adjusting groove 7 through the elastic metal sheets 901; the outer heat discharge holes 8 are arranged on the side surface of the outer ring 1 at equal intervals, and the positions of the outer heat discharge holes 8 arranged in the outer ring 1 correspond to the positions of the inner heat discharge holes 903 arranged in the metal reinforcing block 9.
The metal reinforcing block 9 is inserted between the outer ring 1 and the inner ring 2 through the reinforcing groove 6, the front side of the metal reinforcing block 9 is pressed inside the reinforcing groove 6 through the rubber buffer 904, and after the metal reinforcing block 9 enters the reinforcing groove 6, the elastic metal sheets 901 arranged on the two sides of the metal reinforcing block are unfolded outwards under the elastic action, the elastic metal sheets 901 are pressed and adhered inside the adjusting groove 7, the stability of the metal reinforcing block 9 arranged inside the retainer is enhanced, the strength of the metal reinforcing block 9 is higher than that of a PEEK material, the metal reinforcing block is arranged inside the retainer at equal angles, the use strength of the retainer can be improved, the phenomenon that the retainer is deformed under the action of high-speed rotation is avoided, meanwhile, the high-rotation rolling body 10 generates corresponding heat to the retainer, the heat is distributed inside the retainer, the elastic metal sheets absorb part of the heat inside the retainer and transmit the heat to the heat collecting groove 902 inside the metal reinforcing block 9, the heat in the heat collecting groove 902 is quickly discharged outwards through the inner heat discharging hole 903 and the outer heat discharging hole 8, so that the phenomenon that the heat of the retainer is too high in the using process can be avoided, and the using performance of the retainer is further improved.
The working principle is as follows: when the device is used, firstly, according to the structure shown in the figures 1-8, an outer ring 1 and an inner ring 2 formed by an injection molding structure are mutually inserted and fixed, a rolling body 10 is arranged in a pocket hole 3 formed in the outer ring 1 and the inner ring 2, the side surface of the pocket hole 3 is smoothly connected with an outer transition fillet 101, an outer ball locking point 102, an inner transition fillet 201, an inner ball locking point 202 and a tangent plane 4, the rolling body 10 can rotate more flexibly in the retainer through the pocket hole 3 with a special-shaped structure, a metal reinforcing block 9 is inserted between the outer ring 1 and the inner ring 2, the overall service strength of the retainer can be improved through the metal reinforcing block 9, the high-speed rotation deformation of the retainer is avoided, and meanwhile, a heat absorption and dissipation structure is arranged inside and outside the metal reinforcing block 9, so that the retainer can quickly dissipate heat in the bearing rotating process, and the service performance of the retainer is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The special retainer for the ultra-high-speed angular contact bearing is mainly of a main body structure consisting of an outer ring and an inner ring, and the outer ring and the inner ring are fixed into an integrated structure through injection molding;
it is characterized by comprising:
the equidistant circumference of the pocket is arranged in the side surfaces of the outer ring and the inner ring, and the two sides of the pocket are provided with tangent planes which are smooth curved surface structures;
the bevel angle is arranged on the side surfaces of the outer ring and the inner ring and acts on the improvement of the deformation caused by material shrinkage when the outer ring and the inner ring are subjected to injection molding;
the outer transition round angle is arranged on two sides of a pocket arranged on the inner side of the outer ring, and an outer lock ball point is arranged on the side surface of the pocket arranged in the outer ring;
the inner transition round angle is arranged on two sides of a pocket arranged on the inner side of the inner ring, and an inner lock ball point is arranged on the side face of the pocket arranged in the inner ring.
2. The cage special for an ultra high speed angular contact bearing according to claim 1, wherein: the outer ring is fixed with the laminating of inner ring, just the pocket hole position that outer ring and inner ring side were seted up communicates each other correspondingly, the inner ring with the outer ring adopts the PEEK material preparation.
3. The cage special for an ultra high speed angular contact bearing according to claim 1, wherein: the tangent plane and the outer lock ball point are smoothly connected and arranged on two sides of the pocket in the outer ring, and the tangent plane and the inner lock ball point are smoothly connected and arranged on two sides of the pocket in the inner ring.
4. The cage special for an ultra high speed angular contact bearing according to claim 3, wherein: the inside of pocket runs through to rotate and is provided with the rolling element that control bearing rotation is connected to and the tangent plane that smooth structure set up makes rolling element and outer loop and inner ring steady contact.
5. The cage special for an ultra high speed angular contact bearing according to claim 2, wherein: the inner side of the outer ring is also provided with a reinforcing groove and an outer heat discharge hole:
the reinforcing groove is formed in the outer ring at equal angles, and the left side and the right side of the reinforcing groove are symmetrically provided with adjusting grooves;
and the outer heat discharging holes are formed in the side surface of the outer ring and communicated with the reinforcing groove, and meanwhile, the inner part of the reinforcing groove is clamped with a metal reinforcing block.
6. The cage special for an ultra high speed angular contact bearing according to claim 5, wherein: the inside and outside of metal reinforcing block still is provided with elasticity sheetmetal and interior heat extraction hole:
the elastic metal sheets are fixedly attached to the left side and the right side of the metal reinforcing block, and a heat collecting groove is formed in the metal reinforcing block;
and the inner heat-discharging hole is formed in the middle position of the front side of the metal reinforcing block, and a rubber cushion pad is fixedly clamped on the outer side surface of the metal reinforcing block.
7. The cage special for an ultra high speed angular contact bearing according to claim 6, wherein: the metal reinforcing block and the outer ring form a dismounting structure through the reinforcing groove, the front side face of the metal reinforcing block is extruded and attached to the inside of the reinforcing groove through the rubber cushion pad, and meanwhile, the left side and the right side of the metal reinforcing block are respectively extruded and attached to the inside of the adjusting groove through elastic metal sheets.
8. The cage special for an ultra high speed angular contact bearing according to claim 5, wherein: the outer heat discharging holes are arranged on the side surface of the outer ring at equal intervals, and the positions of the outer heat discharging holes formed in the outer ring correspond to the positions of the inner heat discharging holes formed in the metal reinforcing block in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540742.5U CN215673201U (en) | 2021-07-07 | 2021-07-07 | Special retainer for ultra-high-speed angular contact bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540742.5U CN215673201U (en) | 2021-07-07 | 2021-07-07 | Special retainer for ultra-high-speed angular contact bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673201U true CN215673201U (en) | 2022-01-28 |
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ID=79978990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121540742.5U Active CN215673201U (en) | 2021-07-07 | 2021-07-07 | Special retainer for ultra-high-speed angular contact bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673201U (en) |
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2021
- 2021-07-07 CN CN202121540742.5U patent/CN215673201U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20231007 Address after: Building E Workshop, No. 220 Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Yulu Precision Industry Co.,Ltd. Address before: 214028 No. 1 Lijiang Road, New District, Wuxi City, Jiangsu Province Patentee before: Wuxi No.2 Bearing Co.,Ltd. |