CN108930711A - A kind of rolling bearing of high speed roller bearing screw pair - Google Patents
A kind of rolling bearing of high speed roller bearing screw pair Download PDFInfo
- Publication number
- CN108930711A CN108930711A CN201811091389.XA CN201811091389A CN108930711A CN 108930711 A CN108930711 A CN 108930711A CN 201811091389 A CN201811091389 A CN 201811091389A CN 108930711 A CN108930711 A CN 108930711A
- Authority
- CN
- China
- Prior art keywords
- bearing
- rolling bearing
- ontology
- rolling
- high speed
- 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
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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
- 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
-
- 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
-
- 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2285—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rings engaging the screw shaft with the inner perimeter, e.g. using inner rings of a ball bearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a kind of rolling bearings of high speed roller bearing screw pair, including rolling bearing ontology, rolling bearing ontology is by bearing outer ring and bearing inner race, ball, retainer, the composition such as dustproof cover, bearing outer ring is actively socketed on bearing inner race, bearing outer ring and bearing inner race side close to each other offer mounting groove, retainer is fixedly installed on two mounting grooves side inner wall close to each other, the same rolling pearl is movably installed between two retainers, the positioning ring of a protrusion annular in shape is also formed on bearing inner race inner wall, the section shape of positioning ring can be semicircle, it is oval, triangle.The present invention replaces ball by Special Roller Bearing Energy, so that the velocity of rotation of screw rod significantly improves, traveling comfort also greatly improves, very good solution in the prior art fever vibration, intolerant to dust, the problem of being easy steel ball ensure that the running environment of rolling bearing screw rod, extend its service life.
Description
Technical field
The present invention relates to technical field of rolling bearings more particularly to a kind of axis of rolling of high speed roller bearing screw pair
It holds.
Background technique
Screw pair is the essential functional component in linear mechanical motion, is widely applied in mechanical equipment, sliding
Screw pair is because be sliding friction frictional force is big, and very easy fever, the nut of ball screw is in long-time hot environment
The problem of lower movement, inner body can generate softening and deformation, and ball screw is due to self structure at present, makes in dust atmosphere
With dust can enter nut and mix with the lubricant grease in nut, cause the stuck of nuts ball, directly contribute nut and silk
The damage of bar, ball wire bar pair are easy to fall steel ball in operation, cause ball screw to damage, nut fits into the process of screw rod
It is cumbersome and be easy to fall ball.
Publication No. CN200975457 discloses a kind of high-speed precision ball screw pair, and ball spiral shell is cased on ball-screw
Ball road is corresponding in mother, ball-screw outer circle and ball nut inner circle, ball road is provided with ball, before ball nut has
Two sections of nut bodies afterwards, accompany adjustment gasket between two sections of nut bodies, but this device can be generated in high speed feed it is very high
Heat, so that screw rod generates heat exhaustion, the invention discloses a kind of dedicated bearings of high-speed silent rolling bearing screw pair
The raised or sunken rolling bearing of inner wrap strip, this rolling bearing include bearing outer ring, ball, retainer, dustproof cover, with protrusion
Or the bearing inner race of recess.Cooperate high-speed silent rolling bearing screw rod subtask, screw rod Special Roller Bearing Energy is to act on high speed
First important accessory of mute rolling bearing screw rod secondary motion plays all technical of high-speed silent rolling bearing screw pair
To vital effect.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of high speed roller bearing silk proposed
The rolling bearing of bar pair.
To achieve the goals above, present invention employs following technical solutions:
A kind of rolling bearing of high speed roller bearing screw pair, including rolling bearing ontology, rolling bearing ontology is by axis
Bearing outer-ring and bearing inner race form, and bearing outer ring is actively socketed on bearing inner race, and bearing outer ring is close to each other with bearing inner race
Side offer mounting groove, be fixedly installed with retainer on two mounting grooves side inner wall close to each other, two guarantors
It holds and is movably installed with the same rolling pearl between frame, a positioning ring annular in shape is also formed on bearing inner race inner wall.
Preferably, further including having nut set, nut, which is put on, offers installation cavity, 3 rolling bearing ontologies activity peace
In installation cavity, threaded hole is offered on the bottom side inner wall of installation cavity, movable jackscrew, movable top are movably installed in threaded hole
The bottom side that a rolling bearing ontology is located in the middle in silk top side and 3 rolling bearing ontologies is in contact, activity in nut set
Screw rod ontology is installed, the both ends of screw rod ontology all extend to outside nut set, and one end of screw rod ontology sequentially passes through two rollings
Bearing body, screw rod ontology are equipped with the first external screw thread, and positioning ring is adapted with the first external screw thread being located on screw rod ontology, pacify
It is offered on the top side inner wall behaveing affectedly and pushes slot, the top side of a rolling bearing ontology, which extends to, to be pushed in slot.
Preferably, threaded hole inner wall is equipped with the first internal screw thread, movable jackscrew is equipped with the second external screw thread, threaded hole inner wall
On the first internal screw thread be adapted with the second external screw thread on movable jackscrew.
Preferably, rolling bearing ontology upper bearing (metal) inner ring has a positioning ring of the first circular protrusion, on screw rod ontology
First external screw thread is matched with the positioning ring of the circular protrusion of bearing inner race first.
Preferably, positioning ring on bearing inner race is cyclic annular raised line, the raised line section shape of positioning ring is semicircle or ellipse
Round or triangle.
Preferably, positioning ring on bearing inner race is annular recess, the ditch profile shape of positioning ring is semicircle or ellipse
Round or triangle.
Preferably, the two sides for rolling pearl are equipped with dirt-proof boot, the top side and bottom side of dirt-proof boot are respectively and fixedly installed to axis
On bearing outer-ring and bearing inner race side inner wall close to each other.
Compared with prior art, the beneficial effects of the present invention are:
In the present invention, by rolling bearing ontology, bearing outer ring, bearing inner race, dirt-proof boot, retainer, matching for pearl is rolled
It closes and uses, can make when rolling bearing screw pair needs high speed feed, drive rolling bearing ontology to be rotated, the axis of rolling
Hold ontology rotate so that bearing inner race by roll pearl rotated so that rolling pearl rotated in retainer, pass through the axis of rolling
It holds ontology, positioning ring, nut set, installation cavity, threaded hole, movable jackscrew, push slot, screw rod ontology, the first annulus of bearing inner race
The positioning ring of shape protrusion is used in combination, and screw rod ontology is to the thrust in one axial direction of rolling bearing ontology, to make the axis of rolling
Holding ontology drives nut set to do the linear motion of an axial direction, and in installation cavity installation there are two and more than two axis of rolling
Ontology is held, rolling bearing ontology is a kind of rolling bearing ontology in bearing inner race with positioning ring or recess, and passes through work
Dynamic jackscrew implements pretightning force to rolling bearing ontology, so that the rolling bearing ontology in nut set is dislocatedly distributed, to screw rod ontology
Fixed function is generated, so as to realize precise positioning；
The present invention replaces ball by Special Roller Bearing Energy, so that the velocity of rotation of screw rod significantly improves, operation is put down
Stability also greatly improves, and in the very good solution rotation process of screw rod, fever vibration intolerant to dust, is easy asking for steel ball
Topic, can be when rolling bearing screw pair needs high speed feed, and steady high-speed cruising ensure that the operation ring of rolling bearing screw rod
Border extends its service life, can also accomplish high-efficiency continuous operation in severe use environment, meets the need of people
It asks.
Detailed description of the invention
Fig. 1 is a kind of side view knot of the rolling bearing of the rolling bearing of high speed roller bearing screw pair proposed by the present invention
Structure schematic diagram；
Fig. 2 is a kind of rolling bearing of the rolling bearing of high speed roller bearing screw pair proposed by the present invention and screw rod sheet
The structural schematic diagram of body connection；
Fig. 3 is a kind of screw rod ontology of the rolling bearing of high speed roller bearing screw pair and nut set proposed by the present invention
The structural schematic diagram of connection.
In figure: 1 rolling bearing ontology, 2 bearing outer rings, 3 bearing inner races, 4 dirt-proof boots, 5 retainers, 6 roll pearl, 7 positioning
Ring, 8 nut sets, 9 installation cavitys, 10 threaded holes, 11 movable jackscrews, 12 push slot, 13 screw rod ontologies, 14 first external screw threads.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of rolling bearing of high speed roller bearing screw pair, including rolling bearing ontology 1, the axis of rolling
It holds ontology to be made of bearing outer ring 2 and bearing inner race 3, bearing outer ring 2 is actively socketed on bearing inner race 3, bearing outer ring 2 and axis
It holds the side close to each other of inner ring 3 and offers mounting groove, be fixedly mounted on two mounting grooves side inner wall close to each other
There is retainer 5, the same rolling pearl 6 is movably installed between two retainers 5, also forms one on 3 inner wall of bearing inner race
Positioning ring 7 annular in shape.
Further include thering is nut to cover 8, offers 9,3 rolling bearing ontologies 1 of installation cavity on nut set 8 and be movably arranged on peace
It behave affectedly in 9, threaded hole 10 is offered on the bottom side inner wall of installation cavity 9, movable jackscrew 11 is movably installed in threaded hole 10, activity
The bottom side that a rolling bearing ontology 1 is located in the middle in 11 top side of jackscrew and 3 rolling bearing ontologies 1 is in contact, nut set 8
It is inside movably installed with screw rod ontology 13, the both ends of screw rod ontology 13 all extend to outside nut set 8, and one end of screw rod ontology 13 is successively
Through two rolling bearing ontologies 1, screw rod ontology 13 is equipped with the first external screw thread 14, positioning ring 7 and is located on screw rod ontology 13
The first external screw thread 14 be adapted, offered on the top side inner wall of installation cavity 9 and push slot 12, the top of a rolling bearing ontology 1
Side, which extends to, to be pushed in slot 12.
10 inner wall of threaded hole is equipped with the first internal screw thread, and movable jackscrew 11 is equipped with the second external screw thread, on 10 inner wall of threaded hole
The first internal screw thread be adapted with the second external screw thread on movable jackscrew 11.
The positioning ring 7 of the circular protrusion of bearing inner race first, is adapted with the first external screw thread 14 on screw rod ontology 13.
Positioning ring 7 on bearing inner race 3 is cyclic annular raised line.
Positioning ring 7 on bearing inner race 3 is annular recess
The two sides for rolling pearl 6 are equipped with dirt-proof boot 4, and the top side of dirt-proof boot 4 and the bound copy of a document kept on file are respectively and fixedly installed to bearing outer ring 2
On the side inner wall close to each other with bearing inner race 3.
Working principle: the quantity of rolling bearing ontology 1 is three or three or more in the present invention, when rolling bearing screw pair
When needing high speed feed, rolling bearing ontology 1 is driven to be rotated, rolling bearing ontology 1 rotates so that bearing inner race 3 passes through rolling
Dynamic pearl 6 is rotated, and is rotated in retainer 5 so that rolling pearl 6, screw rod ontology 13 is in 1 one axial directions of rolling bearing ontology
Thrust, to make rolling bearing ontology that nut set be driven 8 to do the linear motion of an axial direction, and be equipped in installation cavity 9
Three or three or more rolling bearing ontologies, rolling bearing ontology be it is a kind of bearing inner race 3 with positioning ring 7 or recess
Rolling bearing ontology 1, and pretightning force is implemented to rolling bearing ontology 1 by movable jackscrew 11, so that the rolling in nut set 8
Bearing body 1 is dislocatedly distributed, and fixed function is generated to screw rod ontology 13, so as to realize precise positioning.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of rolling bearing of high speed roller bearing screw pair, including rolling bearing ontology (1), which is characterized in that described
Rolling bearing ontology is made of bearing outer ring (2) and bearing inner race (3), and bearing outer ring (2) is actively socketed on bearing inner race (3)
On, bearing outer ring (2) and bearing inner race (3) side close to each other offer mounting groove, and two mounting grooves are close to each other
It is fixedly installed on the inner wall of side retainer (5), the same rolling pearl (6), axis is movably installed between two retainers (5)
It holds and also forms a positioning ring (7) annular in shape on inner ring (3) inner wall.
2. a kind of rolling bearing of high speed roller bearing screw pair according to claim 1, which is characterized in that further include
Have nut set (8), offered on nut set (8) installation cavity (9), three rolling bearing ontologies (1) are movably arranged on installation cavity
(9) it in, is offered on the bottom side inner wall of installation cavity (9) threaded hole (10), is movably installed with movable jackscrew in threaded hole (10)
(11), movable jackscrew (11) top side is in contact with the bottom side for being located in the middle rolling bearing ontology (1), in the nut set (8)
It being movably installed with screw rod ontology (13), the both ends of screw rod ontology (13) all extend to nut set (8) outside, and the one of screw rod ontology (13)
End sequentially passes through two rolling bearing ontologies (1), and screw rod ontology (13) is equipped with the first external screw thread (14), positioning ring (7) with set
The first external screw thread (14) on screw rod ontology (13) is adapted, and is offered on the top side inner wall of the installation cavity (9) and is pushed slot
(12), the top side of a rolling bearing ontology (1), which extends to, pushes in slot (12).
3. a kind of rolling bearing of high speed roller bearing screw pair according to claim 2, which is characterized in that the spiral shell
Pit (10) inner wall is equipped with the first internal screw thread, and movable jackscrew (11) is equipped with the second external screw thread, and the on threaded hole (10) inner wall
One internal screw thread is adapted with the second external screw thread on movable jackscrew (11).
4. a kind of rolling bearing of high speed roller bearing screw pair according to claim 2, which is characterized in that the axis
The positioning ring (7) on inner ring (3) is held as cyclic annular raised line, the raised line section shape of positioning ring (7) is semicircle or ellipse or triangle
Shape.
5. a kind of rolling bearing of high speed roller bearing screw pair according to claim 2, which is characterized in that the axis
The positioning ring (7) held on inner ring (3) is annular recess, and the ditch profile shape of positioning ring (7) is semicircle or ellipse or triangle
Shape.
6. a kind of rolling bearing of high speed roller bearing screw pair according to claim 2, which is characterized in that the rolling
The two sides of dynamic pearl (6) are equipped with dirt-proof boot (4), the top side of dirt-proof boot (4) and the bound copy of a document kept on file be respectively and fixedly installed to bearing outer ring (2) with
On bearing inner race (3) side inner wall close to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091389.XA CN108930711A (en) | 2018-09-19 | 2018-09-19 | A kind of rolling bearing of high speed roller bearing screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091389.XA CN108930711A (en) | 2018-09-19 | 2018-09-19 | A kind of rolling bearing of high speed roller bearing screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108930711A true CN108930711A (en) | 2018-12-04 |
Family
ID=64443493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811091389.XA Pending CN108930711A (en) | 2018-09-19 | 2018-09-19 | A kind of rolling bearing of high speed roller bearing screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108930711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901662A (en) * | 2021-03-03 | 2021-06-04 | 中国航发哈尔滨轴承有限公司 | High-speed bearing with integrated inner ring and shaft and integrated outer ring and seat |
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| JP2006308038A (en) * | 2005-05-02 | 2006-11-09 | Nsk Ltd | Idler pulley unit |
| CN101852281A (en) * | 2010-01-01 | 2010-10-06 | 俞家林 | Conical bearing screw-drive mechanism |
| JP2012172712A (en) * | 2011-02-18 | 2012-09-10 | Nsk Ltd | Attachment structure of screw shaft end of ball screw |
| KR101355319B1 (en) * | 2012-12-20 | 2014-01-24 | 현대위아 주식회사 | Bearing screw type transferring |
| CN105422771A (en) * | 2015-12-08 | 2016-03-23 | 新昌县红利机械有限公司 | Pin roller screw rod |
| CN106321762A (en) * | 2016-11-08 | 2017-01-11 | 山东华准机械有限公司 | High-speed roller screw pair |
| JP2017009097A (en) * | 2015-06-25 | 2017-01-12 | 日本精工株式会社 | Ball Screw |
| CN206458719U (en) * | 2017-02-10 | 2017-09-01 | 天津泰瑞机械装备科技股份有限公司 | A kind of heavy screw bearing |
| CN108006183A (en) * | 2017-12-28 | 2018-05-08 | 上海莱恩精密机床附件有限公司 | A kind of ball-screw circulated on axis |
| CN208885779U (en) * | 2018-09-19 | 2019-05-21 | 浙江雷尼摩申精密机械有限公司 | A kind of rolling bearing of high speed roller bearing screw pair |
-
2018
- 2018-09-19 CN CN201811091389.XA patent/CN108930711A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3590644A (en) * | 1968-05-21 | 1971-07-06 | Max Kuspert | Threaded spindle and sleeve means |
| JP2006308038A (en) * | 2005-05-02 | 2006-11-09 | Nsk Ltd | Idler pulley unit |
| CN101852281A (en) * | 2010-01-01 | 2010-10-06 | 俞家林 | Conical bearing screw-drive mechanism |
| JP2012172712A (en) * | 2011-02-18 | 2012-09-10 | Nsk Ltd | Attachment structure of screw shaft end of ball screw |
| KR101355319B1 (en) * | 2012-12-20 | 2014-01-24 | 현대위아 주식회사 | Bearing screw type transferring |
| JP2017009097A (en) * | 2015-06-25 | 2017-01-12 | 日本精工株式会社 | Ball Screw |
| CN105422771A (en) * | 2015-12-08 | 2016-03-23 | 新昌县红利机械有限公司 | Pin roller screw rod |
| CN106321762A (en) * | 2016-11-08 | 2017-01-11 | 山东华准机械有限公司 | High-speed roller screw pair |
| CN206458719U (en) * | 2017-02-10 | 2017-09-01 | 天津泰瑞机械装备科技股份有限公司 | A kind of heavy screw bearing |
| CN108006183A (en) * | 2017-12-28 | 2018-05-08 | 上海莱恩精密机床附件有限公司 | A kind of ball-screw circulated on axis |
| CN208885779U (en) * | 2018-09-19 | 2019-05-21 | 浙江雷尼摩申精密机械有限公司 | A kind of rolling bearing of high speed roller bearing screw pair |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901662A (en) * | 2021-03-03 | 2021-06-04 | 中国航发哈尔滨轴承有限公司 | High-speed bearing with integrated inner ring and shaft and integrated outer ring and seat |
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