CN107289031A - A kind of high-precision bearing mechanism - Google Patents
A kind of high-precision bearing mechanism Download PDFInfo
- Publication number
- CN107289031A CN107289031A CN201710693768.5A CN201710693768A CN107289031A CN 107289031 A CN107289031 A CN 107289031A CN 201710693768 A CN201710693768 A CN 201710693768A CN 107289031 A CN107289031 A CN 107289031A
- Authority
- CN
- China
- Prior art keywords
- bearing
- ring
- bearings
- precision
- outer ring
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 125000006850 spacer group Chemical group 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to mechanical assembly technique field, specifically related to a kind of high-precision bearing mechanism, including bearing block and two bearings, two bearings are embedded in the bearing block side by side, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring and ball body, and the inner ring is slidably matched by the ball body with the outer ring, and the spacer ring and two inner rings are in close contact.Due to adding spacer ring in the middle of two bearings of the present invention, and spacer ring and two inner rings are in close contact（Spacer ring is not contacted with outer ring）, the gap of bearing internal external circle is reduced, the precision of Bearning mechanism is improved, the abrasion that friction is caused to bearing is reduced, adds the service life of bearing, and a certain degree of motion sound for reducing bearing.
Description
Technical field
The present invention relates to mechanical assembly technique field, and in particular to a kind of high-precision bearing mechanism.
Background technology
In recent years, as the mankind are constantly lifted to the required precision of product, high-precision equipment has been widely used for production
In the every field of manufacture, especially machine-building, standard machinery is just gradually by high accuracy, high efficiency, high automated mechanical
Replaced, reasonability of the raising depending on Machine Design of Product Precision and the innovation to conventional mechanisms are with having updated
It is kind.Therefore, it is general using two bearing surface patches during present two bearing fits of technology in the field of the motions such as leading screw module
The form that face directly coordinates, because with Internal and external cycle raceway there is certain interval in itself in bearing ball body, the ball in actual motion
There is jete in raceway and move in body, on the one hand, increase the abrasion to bearing, have impact on the service life of bearing；On the other hand,
The service precision of bearing is have impact on, so as to have impact on the precision of plant equipment.
The content of the invention
It is an object of the invention to：In view of the shortcomings of the prior art, a kind of high-precision bearing mechanism is provided, the bearing machine
Spacer ring is added in the middle of two bearings in structure, the gap of bearing internal external circle is reduced, the precision of Bearning mechanism is improved, reduced
The abrasion that friction is caused to bearing, adds the service life of bearing, and a certain degree of motion sound for reducing bearing.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of high-precision bearing mechanism, including bearing block and two bearings, two bearings are embedded in the bearing block side by side
It is interior, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring and ball body, the inner ring leads to
Cross the ball body to be slidably matched with the outer ring, the spacer ring and two inner rings are in close contact.
Improved as one kind of high-precision bearing mechanism of the present invention, the thickness of the spacer ring for 0.001 ~
0.01mm。
Improved as one kind of high-precision bearing mechanism of the present invention, the thickness of the spacer ring is 0.008mm.
Improved as one kind of high-precision bearing mechanism of the present invention, the inner ring has inner ring raceway, described outer
Circle has outer ring raceway, and the inner ring raceway and the outer ring raceway are disposed as " V " shape structure, and the ball body is fitted in
The inclined-plane of the inner ring raceway and the outer ring raceway.
As one kind improvement of high-precision bearing mechanism of the present invention, in addition to bearing cap, the bearing cap lid is set
In the bearing block, and the bearing cap is in close contact with the bearing.
Improved as one kind of high-precision bearing mechanism of the present invention, in addition to two oil sealings and two connection rings,
One of them described oil sealing is embedded in the bearing block, and another described oil sealing is embedded in the bearing cap, two companies
Ring is connect to be embedded in respectively in two oil sealings.
The beneficial effects of the present invention are：The present invention includes bearing block and two bearings, and two bearings are inlayed side by side
In in the bearing block, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring and ball
Body, the inner ring is slidably matched by the ball body with the outer ring, and the spacer ring and two inner rings are in close contact.
Due to adding spacer ring in the middle of two bearings of the present invention, and spacer ring and two inner rings are in close contact（Spacer ring not with outside
Circle contact）, the gap of bearing internal external circle is reduced, the precision of Bearning mechanism is improved, the mill that friction is caused to bearing is reduced
Damage, add the service life of bearing, and a certain degree of motion sound for reducing bearing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this hair
Bright exemplary embodiment and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is one of structural representation of the present invention；
Fig. 2 is decomposing schematic representation of the invention；
Fig. 3 is the two of the structural representation of the present invention；
The sectional view that Fig. 4 is B-B in Fig. 3；
Fig. 5 is the sectional arrangement drawing of two bearings and spacer ring in the present invention.
Embodiment
Some vocabulary have such as been used to censure specific components among specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in acceptable error range, those skilled in the art can solve described in the range of certain error
Technical problem, basically reaches the technique effect.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", level "
Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and
Simplify description, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
The present invention is described in further detail below in conjunction with accompanying drawing, but it is not as a limitation of the invention.
As shown in Fig. 1 ~ 5, a kind of high-precision bearing mechanism, including bearing block 1 and two bearings 2, two bearings 2 are inlayed side by side
It is embedded in bearing block 1, spacer ring 3 is provided between two bearings 2, each bearing 2 includes inner ring 21, outer ring 22 and ball body
23, inner ring 21 is slidably matched by ball body 23 with outer ring 22, and spacer ring 3 is in close contact with two inner rings 21.
Preferably, inner ring 21 has inner ring raceway 211, and outer ring 22 has outer ring raceway 221, inner ring raceway 211 and outer ring
Raceway 221 is disposed as " V " shape structure, and ball body 23 fits in the inclined-plane of inner ring raceway 211 and outer ring raceway 221.This hair
The two sides of bright spacer ring 3 are fitted close with the inner ring 21 of two bearings 2 respectively, the empty avoiding outer ring 22 of two bearings 2
Point, spacer ring 3 can outward push up the inner ring 21 of two bearings 2 so that preferably paste on the inclined-plane of the inner ring raceway 211 of bearing 2
Tightly in ball body 23, meanwhile, ball body 23 is preferably closely attached on the inclined-plane of outer ring raceway 221 again, in the effect of the power of spacer ring 3
Under, inner ring 21 and the axial gap of outer ring 22 are reduced, the precision of bearing arrangement is improved.
Usually, the thickness of spacer ring 3 is 0.001 ~ 0.01mm, and the thickness of spacer ring 3 is by present embodiment
0.008mm.The size for being spaced ring thickness determines the size of the axial interval of bearing internal external circle, that is to say, that according to client to bearing knot
The demand of structure axial direction interval, can be with the thickness of unrestricted choice spacer ring.
Present invention additionally comprises bearing cap 4, bearing cap 4 is covered on bearing block 1, and bearing cap 4 is in close contact with bearing 2.
Present invention additionally comprises two oil sealings 5 and two connection rings 6, one of oil sealing 5 is embedded in bearing block 1, and in addition one
Individual oil sealing 5 is embedded in bearing cap 4, and two connection rings 6 are embedded in two oil sealings 5 respectively, and connection ring 6 can be locked by leading screw
Nut is fixed together bearing block 1 and leading screw.
It should be noted that：The present invention is incorporated spacer ring in the middle of two bearings, changes traditional two bearings and directly matches somebody with somebody
The form of conjunction, reduces the inherent axial gap of bearing, reduces the motion sound of bearing, so as to reduce friction to bearing
Damage, adds the service life of bearing, improves bearing arrangement precision in use.
Some preferred embodiments of the present invention have shown and described in described above, but as previously described, it should be understood that this hair
It is bright to be not limited to form disclosed herein, the exclusion to other embodiment is not to be taken as, and available for various other
Combination, modification and environment, and can in invention contemplated scope described herein, by the technology of above-mentioned teaching or association area or
Knowledge is modified., then all should be and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In the protection domain of appended claims of the present invention.
Claims (6)
1. a kind of high-precision bearing mechanism, it is characterised in that：Including bearing block and two bearings, two bearings are inlayed side by side
In in the bearing block, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring and ball
Body, the inner ring is slidably matched by the ball body with the outer ring, and the spacer ring and two inner rings are in close contact.
2. high-precision bearing mechanism according to claim 1, it is characterised in that：The thickness of the spacer ring be 0.001 ~
0.01mm。
3. high-precision bearing mechanism according to claim 2, it is characterised in that：The thickness of the spacer ring is 0.008mm.
4. high-precision bearing mechanism according to claim 1, it is characterised in that：The inner ring has inner ring raceway, described
Outer ring has outer ring raceway, and the inner ring raceway and the outer ring raceway are disposed as " V " shape structure, and the ball body is fitted
In the inner ring raceway and the inclined-plane of the outer ring raceway.
5. high-precision bearing mechanism according to claim 1, it is characterised in that：Also include bearing cap, the bearing cap lid
Located at the bearing block, and the bearing cap is in close contact with the bearing.
6. high-precision bearing mechanism according to claim 5, it is characterised in that：Also include two oil sealings and two connections
Ring, one of them described oil sealing is embedded in the bearing block, and another described oil sealing is embedded in the bearing cap, described in two
Connection ring is embedded in two oil sealings respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693768.5A CN107289031A (en) | 2017-08-14 | 2017-08-14 | A kind of high-precision bearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693768.5A CN107289031A (en) | 2017-08-14 | 2017-08-14 | A kind of high-precision bearing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107289031A true CN107289031A (en) | 2017-10-24 |
Family
ID=60107017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710693768.5A Pending CN107289031A (en) | 2017-08-14 | 2017-08-14 | A kind of high-precision bearing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107289031A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793289A (en) * | 2010-03-17 | 2010-08-04 | 上海大学 | Oil-air lubrication high-speed mixing double-row ball bearing |
| CN201843908U (en) * | 2010-11-04 | 2011-05-25 | 洛阳世必爱特种轴承有限公司 | Inner ring of double-row tapered roller bearing |
| CN201916671U (en) * | 2011-01-24 | 2011-08-03 | 上海特安一凯轴承有限公司 | Rolling bearing vector lubricating device |
| CN202118109U (en) * | 2011-06-08 | 2012-01-18 | 瓦房店阿科比轴承有限公司 | Novel full-sealed four-row tapered roller bearing |
| CN202531646U (en) * | 2012-04-24 | 2012-11-14 | 北京天马轴承有限公司 | Double-row tapered roller bearing |
| CN102822545A (en) * | 2010-03-30 | 2012-12-12 | Ntn株式会社 | Rolling bearing device |
| CN202628804U (en) * | 2012-05-14 | 2012-12-26 | 上海天安轴承有限公司 | High-precision bearing |
| CN202833641U (en) * | 2012-08-29 | 2013-03-27 | 瓦房店东旭非标准轴承集团有限公司 | Double-raw self-aligning tapered roller bearing |
| CN203926393U (en) * | 2014-06-18 | 2014-11-05 | 洛阳轴研科技股份有限公司 | A kind of ultra high speed rolling bearing |
| CN205298261U (en) * | 2016-01-26 | 2016-06-08 | 河北宝鑫轴承制造有限责任公司 | A double -row tapered roller bearing for passenger train buffer |
| CN106640988A (en) * | 2017-01-09 | 2017-05-10 | 南宁市安和机械设备有限公司 | Abraded bearing accuracy-adjustable transmission device and using method thereof |
| CN207526890U (en) * | 2017-08-14 | 2018-06-22 | 广东鼎泰机器人科技有限公司 | A kind of high-precision bearing mechanism |
-
2017
- 2017-08-14 CN CN201710693768.5A patent/CN107289031A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793289A (en) * | 2010-03-17 | 2010-08-04 | 上海大学 | Oil-air lubrication high-speed mixing double-row ball bearing |
| CN102822545A (en) * | 2010-03-30 | 2012-12-12 | Ntn株式会社 | Rolling bearing device |
| CN201843908U (en) * | 2010-11-04 | 2011-05-25 | 洛阳世必爱特种轴承有限公司 | Inner ring of double-row tapered roller bearing |
| CN201916671U (en) * | 2011-01-24 | 2011-08-03 | 上海特安一凯轴承有限公司 | Rolling bearing vector lubricating device |
| CN202118109U (en) * | 2011-06-08 | 2012-01-18 | 瓦房店阿科比轴承有限公司 | Novel full-sealed four-row tapered roller bearing |
| CN202531646U (en) * | 2012-04-24 | 2012-11-14 | 北京天马轴承有限公司 | Double-row tapered roller bearing |
| CN202628804U (en) * | 2012-05-14 | 2012-12-26 | 上海天安轴承有限公司 | High-precision bearing |
| CN202833641U (en) * | 2012-08-29 | 2013-03-27 | 瓦房店东旭非标准轴承集团有限公司 | Double-raw self-aligning tapered roller bearing |
| CN203926393U (en) * | 2014-06-18 | 2014-11-05 | 洛阳轴研科技股份有限公司 | A kind of ultra high speed rolling bearing |
| CN205298261U (en) * | 2016-01-26 | 2016-06-08 | 河北宝鑫轴承制造有限责任公司 | A double -row tapered roller bearing for passenger train buffer |
| CN106640988A (en) * | 2017-01-09 | 2017-05-10 | 南宁市安和机械设备有限公司 | Abraded bearing accuracy-adjustable transmission device and using method thereof |
| CN207526890U (en) * | 2017-08-14 | 2018-06-22 | 广东鼎泰机器人科技有限公司 | A kind of high-precision bearing mechanism |
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