CN108895132A - A kind of high-speed silent rolling bearing screw pair - Google Patents
A kind of high-speed silent rolling bearing screw pair Download PDFInfo
- Publication number
- CN108895132A CN108895132A CN201811059458.9A CN201811059458A CN108895132A CN 108895132 A CN108895132 A CN 108895132A CN 201811059458 A CN201811059458 A CN 201811059458A CN 108895132 A CN108895132 A CN 108895132A
- Authority
- CN
- China
- Prior art keywords
- bearing
- rolling bearing
- screw
- screw rod
- rolling
- 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
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of high-speed silent rolling bearing screw pairs, including thread bush and screw rod ontology, screw rod ontology is movably arranged in thread bush, the both ends of screw rod ontology all extend to outside thread bush, screw rod ontology is equipped with the first external screw thread, installation cavity is offered on the inner wall of thread bush, three and three or more rolling bearings are movably installed in installation cavity, several interlayer blocks are also folded between rolling bearing, one end of screw rod ontology sequentially passes through three and three or more rolling bearings, offers multiple threaded holes on the bottom side inner wall of installation cavity.The configuration of the present invention is simple can run smoothly when rolling bearing screw pair needs high speed feed, and revolving speed is high, ensure that the running environment of rolling bearing screw pair, extend its service life, meet the demand of people.
Description
Technical field
The present invention relates to rolling bearing screw rod ontology field more particularly to a kind of high-speed silent rolling bearing screw rods
It is secondary.
Background technique
Screw rod is the essential functional component in linear mechanical motion, is widely applied in mechanical equipment, current silk
Bar is broadly divided into two large divisions：Sliding screw rolls ballscrew, above 2 kinds of screw rod disadvantages：The speed of service is slow, motion noise is big,
Easily fever, rolling non-refractory, not anti-dust, installation are complicated.
Publication No. CN2009747 discloses a kind of high-speed precision ball screw pair, is cased with ball nut on ball-screw,
Ball road is corresponding in ball-screw outer circle and ball nut inner circle, ball road is provided with ball, and ball nut has front and back
Two sections of nut bodies accompany adjustment gasket between two sections of nut bodies, there is perforative ball secret tunnel, the center of ball secret tunnel in nut body
Line and nut body centerline parallel mill an oval reverser along axial direction at every section of nut body both ends at the center of ball secret tunnel
Hole, reverser hole is packed into reverser, and is packed into the circlip for being used to push down reverser, but the meeting in high speed feed of this device
Very high heat is generated, so that screw rod generates heat exhaustion, the invention proposes a kind of high-speed silent rolling bearings accordingly
Screw pair is to solve these problems, and the present invention covers screw rod Special Roller Bearing Energy simultaneously, actually makes for of the invention
Ontology with situation, screw rod Special Roller Bearing Energy includes：Deep groove ball bearing, angular contact ball bearing, self-aligning ball bearing, spherical outside surface ball
Bearing, oscillating bearing, cylinder roller bearing etc..
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 silent axis of rolling proposed
Hold screw pair.
To achieve the goals above, present invention employs following technical solutions：
A kind of high-speed silent rolling bearing screw pair, including thread bush and screw rod ontology, screw rod ontology are movably arranged on spiral shell
In line set, the both ends of screw rod ontology are all extended to outside thread bush, and screw rod ontology is equipped with the first external screw thread, on the inner wall of thread bush
Installation cavity is offered, three and three or more rolling bearings are movably installed in installation cavity, if being also folded between rolling bearing
Dry interlayer block, one end of screw rod ontology sequentially passes through three and three or more rolling bearings, opens on the bottom side inner wall of installation cavity
Equipped with multiple threaded holes, jackscrew is mounted in each threaded hole, jackscrew top side is in contact with the bottom side of interlayer block, installation cavity
It is offered on the inner wall of top side and pushes slot, the top side for being located in the middle a rolling bearing, which extends to, to be pushed in slot, and the axis of rolling is contracted
Bearing inner race and bearing outer ring are included, bearing inner race is actively socketed on screw rod ontology, and bearing outer ring is actively socketed on bearing inner race
On, it is movably installed with multiple rolling pearls between bearing inner race and bearing outer ring, forms dress annular in shape on bearing inner race inner wall
With ring, mounting ring is adapted with the first external screw thread being located on screw rod ontology.
Preferably, the dirt-proof boot for being located at and rolling pearl two sides is movably installed between bearing inner race and bearing outer ring, it is dust-proof
Set is made of rubber material.
Preferably, the inner wall of thread bush is equipped with the first internal screw thread, the first external screw thread and thread bush on screw rod ontology
The first internal screw thread on inner wall is adapted.
Preferably, interlayer block is in the round pie of center opening, the internal diameter that the outer diameter of interlayer block is less than installation cavity is bonded, folder
The center opening diameter of layer block is greater than the outer diameter of lead screw ontology, and the cross section of interlayer block is in isosceles trapezoid, the end face of interlayer block with
Inclination angle between interlayer block side wall is identical as the inclination angle of the first externally threaded screw thread.
Preferably, the mounting ring on bearing inner race is cyclic annular raised line.
Preferably, the mounting ring on bearing inner race is annular recess.
Preferably, bearing inner race and bearing outer ring side close to each other offer mounting groove, pearl and two are rolled
Mounting groove is in contact.
Compared with prior art, the beneficial effects of the invention are as follows：
In the present invention, pass through thread bush, screw rod ontology, installation cavity, rolling bearing, threaded hole, jackscrew, the cooperation for pushing slot
It uses, when rolling bearing screw rod needs high speed feed, drives rolling bearing rotation, rolling bearing rotates so that bearing inner race is logical
Rolling pearl is crossed to rotate on bearing outer ring, the first external screw thread on screw rod ontology to the thrust in one axial direction of rolling bearing, from
And the linear motion for making rolling bearing that nut set be driven to do an axial direction, it can make rolling bearing that nut set be driven to do an axis
To linear motion, matched by thread bush, screw rod ontology, installation cavity, rolling bearing, mounting ring, the first external screw thread, interlayer block
It closes and uses, and there are three above rolling bearings, the inner wall of the bearing inner race of rolling bearing to be equipped with dress for installation in installation cavity
It is matched with ring, and with the first external screw thread on screw rod ontology, plays positioning function, ensure that the positioning accuracy of feed screw nut,
The inclination angle for adjusting rolling bearing by interlayer block again, is bonded the mounting ring of rolling bearing always with the first external screw thread, thus into
One step improves screw rod ontology to the thrust of rolling bearing, offers threaded hole on the bottom side inner wall of installation cavity, jackscrew passes through spiral shell
Pitpair interlayer block implements pretightning force, it is ensured that the rolling bearing in thread bush is dislocatedly distributed, and will not shake, to screw rod ontology
Generate fixed function；
The configuration of the present invention is simple can run smoothly when rolling bearing screw pair needs high speed feed, and revolving speed is high, protect
The running environment for having demonstrate,proved rolling bearing screw pair extends its service life, meets the demand of people.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-speed silent rolling bearing screw pair proposed by the present invention；
Fig. 2 is a kind of knot that the screw rod ontology of high-speed silent rolling bearing screw pair is connect with thread bush proposed by the present invention
Structure schematic diagram；
Fig. 3 is a kind of structural schematic diagram of the rolling bearing of high-speed silent rolling bearing screw pair proposed by the present invention.
In figure：1 thread bush, 2 screw rod ontologies, 3 installation cavitys, 4 rolling bearings, 5 interlayer blocks, 6 jackscrews, 7 push slot, 8 assembly
Ring, 9 first external screw threads, 10 bearing inner races, 11 bearing outer rings, 12 dirt-proof boots.
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 high-speed silent rolling bearing screw pair, including thread bush 1 and screw rod ontology 2, screw rod ontology 2
It is movably arranged in thread bush 1, the both ends of screw rod ontology 2 all extend to outside thread bush 1, and screw rod ontology 2 is equipped with the first outer spiral shell
Line 9 offers installation cavity 3 on the inner wall of thread bush 1, three and three or more rolling bearings 4 is movably installed in installation cavity 3,
Several interlayer blocks 5 are also folded between rolling bearing 4, one end of screw rod ontology 2 sequentially passes through three and three or more and rolls
Bearing 4 offers multiple threaded holes on the bottom side inner wall of installation cavity 3, jackscrew 6,6 top side of jackscrew is mounted in each threaded hole
It is in contact with the bottom side of interlayer block 5, is offered on the top side inner wall of installation cavity 3 and push slot 7, be located in the middle a rolling bearing
4 top side, which extends to, to be pushed in slot 7, and rolling bearing 4 includes bearing inner race 10 and bearing outer ring 11,10 pivot bush unit of bearing inner race
On screw rod ontology 2, bearing outer ring 11 is actively socketed on bearing inner race 10, movable between bearing inner race 10 and bearing outer ring 11
Multiple rolling pearls are installed, form mounting ring 8 annular in shape on 10 inner wall of bearing inner race, mounting ring 8 and are located at screw rod ontology 2
On the first external screw thread 9 be adapted.
The dirt-proof boot 12 for being located at and rolling pearl two sides, dirt-proof boot 12 are movably installed between bearing inner race 10 and bearing outer ring 11
It is made of rubber material.
The inner wall of thread bush 1 is equipped with the first internal screw thread, on the first external screw thread 9 and 1 inner wall of thread bush on screw rod ontology 2
The first internal screw thread be adapted.
Interlayer block 5 is in the round pie of center opening, and the internal diameter that the outer diameter of interlayer block 5 is less than installation cavity 3 is bonded, interlayer block 5
Center opening diameter be greater than the outer diameter of lead screw ontology 2, the cross section of interlayer block 5 is in isosceles trapezoid, the end face of interlayer block 5 and folder
Inclination angle between layer 5 side wall of block is identical as the inclination angle of screw thread of the first external screw thread 9.
Mounting ring 8 on bearing inner race 10 is cyclic annular raised line.
Mounting ring 8 on bearing inner race 10 is annular recess.
Bearing inner race 10 and the side close to each other of bearing outer ring 11 offer mounting groove, roll pearl and two mounting grooves
It is in contact.
Working principle：When rolling bearing screw rod needs high speed feed, rolling bearing 4 is driven to rotate, and in installation cavity 3
There are three above rolling bearing 4, the inner wall of the bearing inner race 10 of rolling bearing 4 is equipped with mounting ring 8 for installation, and with screw rod sheet
The first external screw thread 9 on body 1 matches, and plays positioning function, ensure that the positioning accuracy of feed screw nut, on screw rod ontology 1
First external screw thread by the cooperation with mounting ring 8 to the thrust in 4 one axial directions of rolling bearing, thus make rolling bearing 4 drive
Nut set 1 does the linear motion of an axial direction, then the inclination angle of rolling bearing 4 is adjusted by interlayer block 5, makes the dress of rolling bearing 4
It is bonded always with ring 8 with the first external screw thread 9, to further improve screw rod ontology 2 to the thrust of rolling bearing 3, installation cavity 3
Bottom side inner wall on offer threaded hole, jackscrew 6 implements pretightning force to interlayer block 5 by threaded hole, it is ensured that in thread bush 1
Rolling bearing 4 be dislocatedly distributed, will not shake, to screw rod ontology 2 generate fixed function, 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 (7)
1. a kind of high-speed silent rolling bearing screw pair, including thread bush (1) and screw rod ontology (2), which is characterized in that the silk
Bar body (2) is movably arranged in thread bush (1), and the both ends of screw rod ontology (2) all extend to thread bush (1) outside, screw rod ontology
(2) the first external screw thread (9) are equipped with, are offered installation cavity (3) on the inner wall of thread bush (1), is movably installed in installation cavity (3)
Three and three or more rolling bearings (4) are also folded with several interlayer blocks (5), screw rod ontology (2) between rolling bearing (4)
One end sequentially pass through three and three or more rolling bearings (4), offer multiple screw threads on the bottom side inner wall of installation cavity (3)
Hole is mounted on jackscrew (6) in each threaded hole, and jackscrew (6) top side is in contact with the bottom side of interlayer block (5), installation cavity (3)
It is offered on the inner wall of top side and pushes slot (7), the top side for being located in the middle a rolling bearing (4), which extends to, to be pushed in slot (7), institute
Stating rolling bearing (4) includes bearing inner race (10) and bearing outer ring (11), and bearing inner race (10) is actively socketed on screw rod ontology (2)
On, bearing outer ring (11) is actively socketed on bearing inner race (10), activity peace between bearing inner race (10) and bearing outer ring (11)
It equipped with multiple rolling pearls, is formed mounting ring annular in shape (8) on bearing inner race (10) inner wall, mounting ring (8) and is located at screw rod
The first external screw thread (9) on ontology (2) is adapted.
2. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) dirt-proof boot (12) for being located at and rolling pearl two sides is movably installed between bearing outer ring (11), dirt-proof boot (12) is rubber material
Matter is made.
3. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the thread bush (1)
Inner wall be equipped with the first internal screw thread, in first on the first external screw thread (9) and thread bush (1) inner wall on screw rod ontology (2)
Screw thread is adapted.
4. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the interlayer block (5)
In the round pie of center opening, the internal diameter that the outer diameter of the interlayer block (5) is less than installation cavity (3) is bonded, the interlayer block (5)
Center opening diameter is greater than the outer diameter of lead screw ontology (2), and the cross section of the interlayer block (5) is in isosceles trapezoid, the interlayer block
(5) inclination angle between end face and interlayer block (5) side wall is identical as the inclination angle of screw thread of the first external screw thread (9).
5. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) mounting ring (8) on is cyclic annular raised line.
6. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) mounting ring (8) on is annular recess.
7. a kind of high-speed silent rolling bearing screw pair according to claim 1, which is characterized in that the bearing inner race
(10) and bearing outer ring (11) side close to each other offers mounting groove, rolls pearl and is in contact with two mounting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059458.9A CN108895132A (en) | 2018-09-12 | 2018-09-12 | A kind of high-speed silent rolling bearing screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059458.9A CN108895132A (en) | 2018-09-12 | 2018-09-12 | A kind of high-speed silent rolling bearing screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108895132A true CN108895132A (en) | 2018-11-27 |
Family
ID=64359023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811059458.9A Pending CN108895132A (en) | 2018-09-12 | 2018-09-12 | A kind of high-speed silent rolling bearing screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108895132A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0410032A1 (en) * | 1989-07-26 | 1991-01-30 | FAG (Schweiz) | Nut for threaded spindle |
| CN2156343Y (en) * | 1993-02-24 | 1994-02-16 | 陈锡宽 | Rolling bearing screw arbor |
| US6244125B1 (en) * | 1998-06-10 | 2001-06-12 | Koyo Seiko Co., Ltd. | Movement transforming device and power steering apparatus |
| JP2001187954A (en) * | 1999-12-28 | 2001-07-10 | Koyo Seiko Co Ltd | Motion converting device |
| JP2002048209A (en) * | 2000-08-01 | 2002-02-15 | Koyo Seiko Co Ltd | Motion conversion device and power steering device which uses the same |
| CN208885898U (en) * | 2018-09-12 | 2019-05-21 | 浙江雷尼摩申精密机械有限公司 | A kind of high-speed silent rolling bearing screw pair |
-
2018
- 2018-09-12 CN CN201811059458.9A patent/CN108895132A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0410032A1 (en) * | 1989-07-26 | 1991-01-30 | FAG (Schweiz) | Nut for threaded spindle |
| CN2156343Y (en) * | 1993-02-24 | 1994-02-16 | 陈锡宽 | Rolling bearing screw arbor |
| US6244125B1 (en) * | 1998-06-10 | 2001-06-12 | Koyo Seiko Co., Ltd. | Movement transforming device and power steering apparatus |
| JP2001187954A (en) * | 1999-12-28 | 2001-07-10 | Koyo Seiko Co Ltd | Motion converting device |
| JP2002048209A (en) * | 2000-08-01 | 2002-02-15 | Koyo Seiko Co Ltd | Motion conversion device and power steering device which uses the same |
| CN208885898U (en) * | 2018-09-12 | 2019-05-21 | 浙江雷尼摩申精密机械有限公司 | A kind of high-speed silent rolling bearing screw pair |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208885898U (en) | A kind of high-speed silent rolling bearing screw pair | |
| BRPI0710895A2 (en) | radial roller bearing, especially single row spherical roller bearing | |
| CN108895132A (en) | A kind of high-speed silent rolling bearing screw pair | |
| SE512199C2 (en) | Gear with bearing device | |
| CN208885779U (en) | A kind of rolling bearing of high speed roller bearing screw pair | |
| CN103671576B (en) | A kind of sliding eccentric sleeve mechanism of main shaft | |
| CN215762889U (en) | Sliding key mechanism with ultralow friction force | |
| CN203067539U (en) | Novel rolling bearing structure | |
| CN108679080A (en) | A kind of rolling bearing | |
| JP3952466B2 (en) | Ball spacing device and its roll parts | |
| US3356427A (en) | Roller element bearing-lubricant composite separator | |
| CN211082560U (en) | Highly-integrated double-axis bearing unit | |
| CN103956852A (en) | Motor wholly-moving type two-level electric cylinder | |
| CN206988394U (en) | A kind of rotating actuator | |
| CN210218415U (en) | Double-row self-aligning roller bearing for wind power main shaft | |
| US2971387A (en) | Oscillatory mechanism and bearing therefor | |
| CN206988298U (en) | A kind of plane rolling formula integral cage | |
| CN106838182B (en) | Ball screw capable of realizing quick clutch | |
| AU4599399A (en) | Pure rolling bearing | |
| JP3706396B2 (en) | Windmill wing | |
| JPS599351A (en) | Ball screw | |
| CN217539353U (en) | High shock resistance ceramic bearing | |
| CN217207354U (en) | Composite bearing | |
| CN209053949U (en) | A kind of robot crossed cylindrical roller bearing | |
| CN102011797B (en) | Micro flexible combined rolling bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |