CN114810812A - High-precision angular contact ball bearing - Google Patents
High-precision angular contact ball bearing Download PDFInfo
- Publication number
- CN114810812A CN114810812A CN202110067050.1A CN202110067050A CN114810812A CN 114810812 A CN114810812 A CN 114810812A CN 202110067050 A CN202110067050 A CN 202110067050A CN 114810812 A CN114810812 A CN 114810812A
- Authority
- CN
- China
- Prior art keywords
- dustproof
- balls
- inner ring
- ring
- periphery
- 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
- 239000000428 dust Substances 0.000 claims description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
Images
Classifications
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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
- 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
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
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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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
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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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
-
- 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
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
-
- 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
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
- F16C33/7856—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race with a single sealing lip
-
- 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
- F16C2300/40—Application independent of particular apparatuses related to environment, i.e. operating conditions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a high-precision angular contact ball bearing, which comprises an inner ring, an outer ring, a plurality of balls and a retainer, wherein the outer ring is sleeved on the inner ring, the balls are arranged between the inner ring and the outer ring, the balls are arranged on a plurality of annular tracks formed by a raceway surface on the outer periphery of the inner ring and a raceway surface on the inner periphery of the outer ring, the retainer used for a ball guiding mode is sleeved on the balls, dustproof grooves are symmetrically formed in the raceway surface on the inner periphery of the outer ring, which is close to the balls, dustproof covers are arranged on the dustproof grooves, outer lips of the dustproof covers are clamped on the dustproof grooves, and inner lips of the dustproof covers are attached to the raceway surface on the outer periphery of the inner ring; the dustproof cover is arranged, so that a part of radial load can be buffered conveniently, and the stability of the bearing can be improved; the outer lip of the dustproof cover is clamped on the dustproof groove, the inner lip and the raceway surface on the periphery of the inner ring are installed in an interference mode, high-precision sealing is formed, and the service life of the bearing is prolonged.
Description
Technical Field
The invention mainly relates to the technical field of bearings, in particular to a high-precision angular contact ball bearing.
Background
High-precision angular contact ball bearings are one of the most important mechanical base parts and bearing types with the most extensive applications due to their good speed, precision and stiffness properties. Modern machine tools develop towards high speed, high precision, high reliability and greening, a main shaft bearing is used as a key precision support of a main shaft system of the machine tool, the precision, the rigidity, the service life, the reliability and the production efficiency of a main machine are directly influenced by the performance of the main shaft bearing, and the main machine plays a role in playing a great role in the development level of the main machine.
Under the limited installation environment, the common angular contact ball bearing has weak load capacity and cannot be well adapted under the working condition of axial impact load; however, the installation space and the rated load of the bearing are increased, and the installation space and the rated load are limited by the structural design, so that the existing angular contact ball bearing cannot be well applied in some working environments with stamping load, the use environment of some mechanical equipment is severe, more chips and dust exist, the impurities can fall into the bearing to influence the normal operation of the bearing, the bearing can be seriously damaged, and finally the whole equipment is damaged;
therefore, a need exists for a high precision angular contact ball bearing that ameliorates the above-mentioned problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-precision angular contact ball bearing which comprises an inner ring 1, an outer ring 2, balls 3 and a retainer 4, wherein the outer ring 2 is sleeved on the inner ring 1, the balls 3 are arranged between the inner ring 1 and the outer ring 2,
a plurality of balls 3 are arranged on a ring-shaped track formed by the track surface on the outer periphery of the inner ring 1 and the track surface on the inner periphery of the outer ring 2, a retainer 4 used for guiding the balls 3 is sleeved on the balls 3,
the inner periphery of the outer ring 2 is symmetrically provided with dustproof grooves 5 at the positions close to the balls 3, the dustproof grooves 5 are provided with dustproof covers 6, the outer lips of the dustproof covers 6 are clamped on the dustproof grooves 5, and the inner lips of the dustproof covers 6 are attached to the periphery of the inner ring 1.
Preferably, the dust cap 6 is of annular configuration.
Preferably, the inner diameter of the dust cap 6 is the same as the diameter of the raceway surface on the outer periphery of the inner ring 1.
Preferably, the dust cover 6 is arranged vertically to the inner ring 1 and the outer ring 2.
Preferably, the inner lip of the dust cover 6 is installed with the track surface on the periphery of the inner ring 1 in an interference manner.
Preferably, the holder 4 is provided with a locking screw 7.
Preferably, the locking screws 7 are provided in plurality and are respectively positioned between two adjacent balls 3.
The invention has the beneficial effects that:
the dustproof cover is arranged, so that a part of radial load can be buffered conveniently, and the stability of the bearing can be improved; the outer lip of the dustproof cover is clamped on the dustproof groove, the inner lip and the raceway surface on the periphery of the inner ring are installed in an interference mode, high-precision sealing is formed, and the service life of the bearing is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a partial schematic view of the present invention;
in the figure, the position of the upper end of the main shaft,
1. an inner ring; 2. an outer ring; 3. a ball bearing; 4. a holder; 5. a dust-proof groove; 6. a dust cover;
7. and locking the screw.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the present invention includes: the bearing comprises an inner ring 1, an outer ring 2, balls 3 and a retainer 4, wherein the outer ring 2 is sleeved on the inner ring 1, the balls 3 are arranged between the inner ring 1 and the outer ring 2,
a plurality of balls 3 are arranged on a ring-shaped track formed by the track surface on the outer periphery of the inner ring 1 and the track surface on the inner periphery of the outer ring 2, a retainer 4 used for guiding the balls 3 is sleeved on the balls 3,
the inner periphery of the outer ring 2 is symmetrically provided with dustproof grooves 5 at the positions close to the balls 3, the dustproof grooves 5 are provided with dustproof covers 6, the outer lips of the dustproof covers 6 are clamped on the dustproof grooves 5, and the inner lips of the dustproof covers 6 are attached to the periphery of the inner ring 1.
In the present embodiment, the dust cap 6 is preferably of an annular configuration.
In this embodiment, the inner diameter of the dust cap 6 is preferably equal to the diameter of the raceway surface on the outer periphery of the inner ring 1.
In the present embodiment, the dust cover 6 is preferably disposed perpendicular to both the inner ring 1 and the outer ring 2.
In this embodiment, the inner lip of the dust cap 6 is preferably attached to the raceway surface on the outer periphery of the inner ring 1 by interference.
In this embodiment, the holder 4 is preferably provided with a locking screw 7.
In this embodiment, it is preferable that the locking screws 7 are provided in plural numbers, respectively, between two adjacent balls 3.
When in use, the dustproof cover is arranged, so that a part of radial load can be conveniently buffered, and the stability of the bearing can be further improved; the outer lip of the dustproof cover is clamped on the dustproof groove, the inner lip and the raceway surface on the periphery of the inner ring are installed in an interference mode, high-precision sealing is formed, and the service life of the bearing is prolonged.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. A high-precision angular contact ball bearing is characterized by comprising an inner ring (1), an outer ring (2), balls (3) and a retainer (4), wherein the outer ring (2) is sleeved on the inner ring (1), the balls (3) are arranged between the inner ring (1) and the outer ring (2),
a plurality of balls (3) are arranged on a circular track formed by a track surface on the outer periphery of the inner ring (1) and a track surface on the inner periphery of the outer ring (2), a retainer (4) used for guiding the balls (3) is sleeved on the balls (3),
the inner periphery raceway surface of the outer ring (2) is close to the balls (3) and symmetrically provided with dustproof grooves (5), the dustproof grooves (5) are provided with dustproof covers (6), outer lip openings of the dustproof covers (6) are clamped on the dustproof grooves (5), and the inner lip openings of the dustproof covers (6) are attached to the raceway surface of the outer periphery of the inner ring (1).
2. The high-precision angular contact ball bearing according to claim 1, wherein: the dustproof cover (6) is of an annular structure.
3. The high-precision angular contact ball bearing according to claim 2, wherein: the inner diameter of the dustproof cover (6) is the same as the diameter of the track surface on the periphery of the inner ring (1).
4. A high-precision angular contact ball bearing according to claim 3, wherein: the dust cover (6) is perpendicular to the inner ring (1) and the outer ring (2).
5. The high-precision angular contact ball bearing according to claim 4, wherein: the inner lip of the dustproof cover (6) and the raceway surface on the periphery of the inner ring (1) are installed in an interference mode.
6. The high-precision angular contact ball bearing according to claim 1, wherein: and the retainer (4) is provided with a locking screw (7).
7. The high-precision angular contact ball bearing according to claim 6, wherein: the locking screws (7) are arranged in a plurality and are respectively positioned between two adjacent balls (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110067050.1A CN114810812A (en) | 2021-01-19 | 2021-01-19 | High-precision angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110067050.1A CN114810812A (en) | 2021-01-19 | 2021-01-19 | High-precision angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114810812A true CN114810812A (en) | 2022-07-29 |
Family
ID=82524110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110067050.1A Pending CN114810812A (en) | 2021-01-19 | 2021-01-19 | High-precision angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114810812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006577A (en) * | 2022-12-07 | 2023-04-25 | 新凤鸣集团股份有限公司 | High-precision bearing for chemical fiber winding machine |
-
2021
- 2021-01-19 CN CN202110067050.1A patent/CN114810812A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006577A (en) * | 2022-12-07 | 2023-04-25 | 新凤鸣集团股份有限公司 | High-precision bearing for chemical fiber winding machine |
| CN116006577B (en) * | 2022-12-07 | 2024-01-02 | 新凤鸣集团股份有限公司 | High-precision bearing for chemical fiber winding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220729 |
|
| WD01 | Invention patent application deemed withdrawn after publication |