CN105972090B - Bearing outer ring and its preparation process of cracking and the bearing with the bearing outer ring - Google Patents
Bearing outer ring and its preparation process of cracking and the bearing with the bearing outer ring Download PDFInfo
- Publication number
- CN105972090B CN105972090B CN201610459394.6A CN201610459394A CN105972090B CN 105972090 B CN105972090 B CN 105972090B CN 201610459394 A CN201610459394 A CN 201610459394A CN 105972090 B CN105972090 B CN 105972090B
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- China
- Prior art keywords
- outer ring
- ontology
- bearing
- wedge mouth
- mouth slot
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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
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
-
- 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
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Rolling Contact Bearings (AREA)
Abstract
One kind disclosed by the invention is cracked bearing outer ring, including outer ring ontology, an outer ring raceway is offered on the inner ring surface of the outer ring ontology, it is characterized in that, a wherein side end face for the outer ring ontology offers a wedge mouth slot at its inner ring surface, the opening of the wedge mouth slot is located on the inner ring surface of the outer ring ontology, and the through crack of a center line axially through the outer ring ontology and by the wedge mouth slot is formed on the outer ring ontology.Its preparation process and the bearing with the bearing outer ring are also disclosed.Due to outer ring ontology offer wedge mouth slot and its in be formed through crack, allowing steel ball of the steel ball in assembly to fill out ball angle in this way increases to 330 ° -350 °, i.e. steel ball be covered with substantially bearing outer ring outer ring raceway and bearing inner race inner ring raceway constitute steel ball rolling channel, effectively improve the load capacity of bearing.After tested, the load capacity of bearing at least improves 40% or more.
Description
Technical field
The present invention relates to technical field of bearings more particularly to one kind crack bearing outer ring and its preparation process and have the axis
The bearing of bearing outer-ring.
Background technique
In the occasion of certain low-speed heave-loads, the deep groove ball bearing of conventional design is due to structure limitation, the steel ball number of loading
It is less, the application operating condition of high load can not be met in the case where external size constancy, raceway or steel ball surface material occurs
Expect early stage spalling failure, leads to the load capacity and rotating property decline of bearing, What is more is not available bearing.
For this purpose, having found result of the above problems applicant carried out beneficial exploration and trial, will be detailed below being situated between
The technical solution to continue generates in this background.
Summary of the invention
The first technical problem to be solved by the present invention is: providing a kind of raising bearing in view of the deficiencies of the prior art
Load capacity the bearing outer ring that cracks.
The second technical problem to be solved by the present invention is: providing a kind of system for being used to prepare the above-mentioned bearing outer ring that cracks
Standby technique.
The third technical problem to be solved by the present invention is: providing a kind of bearing with the above-mentioned bearing outer ring that cracks.
One kind as first aspect present invention is cracked bearing outer ring, including outer ring ontology, the inner ring of the outer ring ontology
An outer ring raceway is offered on face, which is characterized in that a wherein side end face for the outer ring ontology opens up at its inner ring surface
There is a wedge mouth slot, the opening of the wedge mouth slot is located on the inner ring surface of the outer ring ontology, is formed on the outer ring ontology
The through crack of one center line axially through the outer ring ontology and by the wedge mouth slot.
In a preferred embodiment of the invention, the opening angle of the wedge mouth slot is 25 °~35 °, the wedge mouth slot
Tilt angle be 30 °~40 °.
In a preferred embodiment of the invention, the opening angle of the wedge mouth slot is 30 °, the inclination of the wedge mouth slot
Angle is 35 °.
As a kind of preparation process for being used to prepare the above-mentioned bearing outer ring that cracks of second aspect of the present invention, including following step
It is rapid:
Step S1 prepares outer ring ontology, and opens up an outer ring raceway on the inner ring surface of outer ring ontology；
Step S2 opens up a wedge mouth slot in one of side end face of outer ring ontology at its inner ring surface, wedge mouth slot
Opening is located on the inner ring surface of outer ring ontology；
Step S3, by outer ring ontology vertical display and wedge mouth slot position is at highest point, is directed at vertical display using press machine
The apical margin of outer ring ontology impose pressure centainly straight down so that forming one in the ontology of outer ring axially through outer ring ontology
And the through crack of the center line by wedge mouth slot.
In a preferred embodiment of the invention, between step S2 and step S3, further includes: to offering wedge mouth slot
Outer ring ontology carry out heat treatment and grinding processing so that the hardness of outer ring ontology reaches HRC60 or more, so that outside
Wedge mouth slot on circle ontology is transformed into stress slot.
In a preferred embodiment of the invention, the opening angle of the wedge mouth slot is 25 °~35 °, the wedge mouth slot
Tilt angle be 30 °~40 °.
In a preferred embodiment of the invention, the opening angle of the wedge mouth slot is 30 °, the inclination of the wedge mouth slot
Angle is 35 °.
As a kind of bearing of third aspect present invention, including bearing outer ring, bearing inner race and several settings are described
Steel ball between the outer ring raceway of bearing outer ring and the inner ring raceway of bearing inner race, which is characterized in that the bearing outer ring is upper
State the bearing outer ring that cracks.
Due to using technical solution as above, the beneficial effects of the present invention are: due to offering wedge in outer ring ontology
Mouthful slot and its in be formed through crack, so that steel ball of the steel ball in assembly, which fills out ball angle, can increase to 330 ° -350 °,
I.e. steel ball be covered with substantially bearing outer ring outer ring raceway and bearing inner race inner ring raceway constitute steel ball rolling channel, effectively improve
The load capacity of bearing.After tested, the load capacity of bearing at least improves 40% or more.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the three dimensional structure diagram of bearing of the invention.
Fig. 2 is the axial sectional view of Fig. 1.
Fig. 3 is the three dimensional structure diagram of bearing outer ring of the invention after the completion of turning phase.
Fig. 4 is the front view of Fig. 3.
Fig. 5 is the final structure schematic diagram of bearing outer ring of the invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1 to Fig. 2, what is provided in figure is bearing of the invention, if including bearing outer ring 100, bearing inner race 200,
It steel ball 300 between the dry outer ring raceway 110 that bearing outer ring 100 is set and the inner ring raceway 210 of bearing inner race 200 and sets
Set between bearing outer ring 100 and bearing inner race 200 and be located at sealing ring 400a, 400b of several 300 two sides of steel ball.Its
In, the thickness of bearing inner race 200 is greater than the thickness of bearing outer ring 100.
It include an outer ring ontology 100 referring to Fig. 3 and Fig. 4 and combined with Figure 1 and Figure 2, bearing outer ring 100, outer ring ontology 100
An outer ring raceway 110 is offered on inner ring surface, a wherein side end face 120 for outer ring ontology 100 offers at its inner ring surface
The opening of one wedge mouth slot 130, wedge mouth slot 130 is located on the inner ring surface of outer ring ontology 100.In the present embodiment, wedge mouth slot 130
Opening angle α is 25 °~35 °, it is therefore preferable to 30 °；The inclination angle beta of wedge mouth slot 130 is 30 °~40 °, it is therefore preferable to 35 °.Outside
A through crack 140 is formed on circle ontology 100, through crack 140 is axially through outer ring ontology 100 and passes through wedge mouth slot
130 center line.
The preparation process for being used to prepare bearing outer ring 100 of the invention, comprising the following steps:
Step 1, outer ring ontology 100 is prepared, and opens up an outer ring raceway 110 on the inner ring surface of outer ring ontology 100；
Step 2, a wedge mouth slot 130 is opened up at its inner ring surface in one of side end face 120 of outer ring ontology 100,
The opening of wedge mouth slot 130 is located on the inner ring surface of outer ring ontology 100；
Step 3, heat treatment is carried out to the outer ring ontology 100 for offering wedge mouth slot 130 and grinding is handled, so that outer ring
The hardness of ontology 100 reaches HRC60 or more, so that the wedge mouth slot 130 on outer ring ontology 100 is transformed into stress slot.
Step, 4, by 100 vertical display of outer ring ontology and wedge mouth slot 130 is located at highest point, is aligned using press machine perpendicular
The apical margin for the outer ring ontology 100 directly put imposes pressure centainly straight down, so that forming one in outer ring ontology 100 along axial direction
The through crack 140 of center line through outer ring ontology 100 and by wedge mouth slot 130, as shown in Figure 5.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
- The bearing outer ring 1. one kind is cracked, including outer ring ontology offer an outer ring raceway on the inner ring surface of the outer ring ontology, It is characterized in that, a wherein side end face for the outer ring ontology offers a wedge mouth slot at its inner ring surface, the wedge mouth slot Opening is located on the inner ring surface of the outer ring ontology, and one is formed on the outer ring ontology axially through the outer ring ontology And the through crack of the center line by the wedge mouth slot, the opening angle of the wedge mouth slot are 25 °~35 °, the wedge mouth slot Tilt angle be 30 °~40 °；Heat treatment and grinding processing are carried out to the outer ring ontology for offering wedge mouth slot, so that outside The hardness of circle ontology reaches HRC60 or more, so that the wedge mouth slot on the ontology of outer ring is transformed into stress slot.
- 2. crack bearing outer ring as described in claim 1, which is characterized in that the opening angle of the wedge mouth slot is 30 °, described The tilt angle of wedge mouth slot is 35 °.
- 3. a kind of preparation process for being used to prepare the bearing outer ring that cracks as claimed in claim 1 or 2, which is characterized in that including Following steps:Step S1 prepares outer ring ontology, and opens up an outer ring raceway on the inner ring surface of outer ring ontology；Step S2 opens up a wedge mouth slot, the opening of wedge mouth slot in one of side end face of outer ring ontology at its inner ring surface On the inner ring surface of outer ring ontology；Step S3, by outer ring ontology vertical display and wedge mouth slot position is at highest point, using the outer of press machine alignment vertical display The apical margin of circle ontology imposes pressure centainly straight down, so that forming one in the ontology of outer ring axially through outer ring ontology and warp Cross the through crack of the center line of wedge mouth slot.
- 4. preparation process as claimed in claim 3, which is characterized in that the opening angle of the wedge mouth slot is 25 °~35 °, institute The tilt angle for stating wedge mouth slot is 30 °~40 °.
- 5. preparation process as claimed in claim 4, which is characterized in that the opening angle of the wedge mouth slot is 30 °, the wedge mouth The tilt angle of slot is 35 °.
- 6. a kind of bearing, including bearing outer ring, bearing inner race and several outer ring raceways and axis that the bearing outer ring is arranged in Hold the steel ball between the inner ring raceway of inner ring, which is characterized in that the bearing outer ring is to crack as claimed in claim 1 or 2 Bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459394.6A CN105972090B (en) | 2016-06-21 | 2016-06-21 | Bearing outer ring and its preparation process of cracking and the bearing with the bearing outer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459394.6A CN105972090B (en) | 2016-06-21 | 2016-06-21 | Bearing outer ring and its preparation process of cracking and the bearing with the bearing outer ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105972090A CN105972090A (en) | 2016-09-28 |
| CN105972090B true CN105972090B (en) | 2019-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610459394.6A Active CN105972090B (en) | 2016-06-21 | 2016-06-21 | Bearing outer ring and its preparation process of cracking and the bearing with the bearing outer ring |
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| Country | Link |
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| CN (1) | CN105972090B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116130308A (en) * | 2023-02-09 | 2023-05-16 | 常熟市邦泰金属制品有限公司 | Main shaft fixed bearing of breaker operating mechanism and production process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201152313Y (en) * | 2008-01-11 | 2008-11-19 | 上海人本集团有限公司 | Filled ball bearing |
| CN102812264A (en) * | 2010-03-24 | 2012-12-05 | 谢夫勒科技股份两合公司 | Bearing ring |
| CN203009568U (en) * | 2012-11-30 | 2013-06-19 | 常州光洋轴承股份有限公司 | Full two-row ball bearing |
| CN204200851U (en) * | 2014-10-16 | 2015-03-11 | 山东腾工轴承有限公司 | A kind of two joint shaft bearing that cracks |
| CN204226437U (en) * | 2014-11-13 | 2015-03-25 | 上海人本双列轴承有限公司 | The full steel ball bearing of outer astragal crackle formula biserial |
| CN204458818U (en) * | 2015-02-09 | 2015-07-08 | 温州人本轴承有限公司 | The full steel ball bearing of band crackle formula |
-
2016
- 2016-06-21 CN CN201610459394.6A patent/CN105972090B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201152313Y (en) * | 2008-01-11 | 2008-11-19 | 上海人本集团有限公司 | Filled ball bearing |
| CN102812264A (en) * | 2010-03-24 | 2012-12-05 | 谢夫勒科技股份两合公司 | Bearing ring |
| CN203009568U (en) * | 2012-11-30 | 2013-06-19 | 常州光洋轴承股份有限公司 | Full two-row ball bearing |
| CN204200851U (en) * | 2014-10-16 | 2015-03-11 | 山东腾工轴承有限公司 | A kind of two joint shaft bearing that cracks |
| CN204226437U (en) * | 2014-11-13 | 2015-03-25 | 上海人本双列轴承有限公司 | The full steel ball bearing of outer astragal crackle formula biserial |
| CN204458818U (en) * | 2015-02-09 | 2015-07-08 | 温州人本轴承有限公司 | The full steel ball bearing of band crackle formula |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105972090A (en) | 2016-09-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20171009 Address after: 315300, No. 188, Xinxing Road, hi tech Industrial Development Zone, Zhejiang, Ningbo, Cixi Applicant after: Cixing Group Co., Ltd. Address before: 315300, No. 188, Xinxing Road, hi tech Industrial Development Zone, Zhejiang, Ningbo, Cixi Applicant before: Ningbo Cixing Precision Transmission Technology Co. Ltd. |
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| GR01 | Patent grant |