CN208885779U - 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
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- CN208885779U CN208885779U CN201821528476.2U CN201821528476U CN208885779U CN 208885779 U CN208885779 U CN 208885779U CN 201821528476 U CN201821528476 U CN 201821528476U CN 208885779 U CN208885779 U CN 208885779U
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Abstract
The utility model 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 utility model 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 utility model relates to technical field of rolling bearings more particularly to a kind of rollings of high speed roller bearing screw pair
Bearing.
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.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of high speed scroll axis proposed
Hold the rolling bearing of screw pair.
To achieve the goals above, the utility model adopts the technical scheme that
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 utility model has the beneficial effects that
In the utility model, by rolling bearing ontology, bearing outer ring, bearing inner race, dirt-proof boot, retainer, pearl is rolled
Be used cooperatively, can make when rolling bearing screw pair needs high speed feed, drive rolling bearing ontology rotated, roll
Dynamic bearing ontology rotate so that bearing inner race by roll pearl rotated so that rolling pearl rotated in retainer, pass through rolling
Dynamic bearing ontology, nut set, installation cavity, threaded hole, movable jackscrew, pushes slot, screw rod ontology, bearing inner race first at positioning ring
The positioning ring of circular protrusion is used in combination, and screw rod ontology is to the thrust in one axial direction of rolling bearing ontology, to make to roll
Dynamic bearing 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 rollings
Dynamic bearing ontology, rolling bearing ontology is a kind of rolling bearing ontology in bearing inner race with positioning ring or recess, and is led to
It crosses movable jackscrew and pretightning force is implemented to rolling bearing ontology, so that the rolling bearing ontology in nut set is dislocatedly distributed, to screw rod
Ontology generates fixed function, so as to realize precise positioning；
The utility model replaces ball by Special Roller Bearing Energy, so that the velocity of rotation of screw rod significantly improves, operation
Stationarity also greatly improve, in the very good solution rotation process of screw rod, fever vibration intolerant to dust, is easy steel ball
The problem of, it can be when rolling bearing screw pair needs high speed feed, steady high-speed cruising ensure that the fortune of rolling bearing screw rod
Row environment extends its service life, can also accomplish high-efficiency continuous operation in severe use environment, meet people's
Demand.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of high speed roller bearing screw pair rolling bearing rolling bearing side
Depending on structural schematic diagram；
Fig. 2 be the utility model proposes a kind of high speed roller bearing screw pair rolling bearing rolling bearing and silk
The structural schematic diagram of bar body connection；
Fig. 3 be the utility model proposes a kind of high speed roller bearing screw pair rolling bearing screw rod ontology and spiral shell
The structural schematic diagram of mother set 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
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
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 utility model, when rolling bearing silk
When bar pair needs high speed feed, rolling bearing ontology 1 is driven to be rotated, rolling bearing ontology 1 rotates so that bearing inner race 3 is logical
It crosses rolling pearl 6 to be rotated, be rotated in retainer 5 so that rolling pearl 6, screw rod ontology 13 gives 1 one axis of rolling bearing ontology
Upward thrust, thus the linear motion for making rolling bearing ontology that nut set 8 be driven to do an axial direction, and peace in installation cavity 9
Dress there are three or three or more rolling bearing ontologies, rolling bearing ontology be it is a kind of in bearing inner race 3 with positioning ring 7 or recessed
Sunken rolling bearing ontology 1, and pretightning force is implemented to rolling bearing ontology 1 by movable jackscrew 11, so that in nut set 8
Rolling bearing ontology 1 is dislocatedly distributed, and fixed function is generated to screw rod ontology 13, so as to realize precise positioning.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
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 |
|---|---|---|---|
| CN201821528476.2U CN208885779U (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 |
|---|---|---|---|
| CN201821528476.2U CN208885779U (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 |
|---|---|
| CN208885779U true CN208885779U (en) | 2019-05-21 |
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ID=66512884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821528476.2U Active CN208885779U (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) | CN208885779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930711A (en) * | 2018-09-19 | 2018-12-04 | 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 CN201821528476.2U patent/CN208885779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930711A (en) * | 2018-09-19 | 2018-12-04 | 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 313000 Donglin Town Industrial Functional Zone North District Zhendong road beilishan South Road East, Wuxing District, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG LEINI MOSHEN PRECISION MACHINERY Co.,Ltd. Address before: 313000 industrial zone of Donglin Town, Wuxing District, Huzhou, Zhejiang Patentee before: ZHEJIANG LEINIMOSHEN PRECISION MACHINERY MANUFACTURING Co.,Ltd. |
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| CP03 | "change of name, title or address" |