CN108488342A - A kind of planetary roller screw pair having both vibration damping and refrigerating function - Google Patents
A kind of planetary roller screw pair having both vibration damping and refrigerating function Download PDFInfo
- Publication number
- CN108488342A CN108488342A CN201810139109.1A CN201810139109A CN108488342A CN 108488342 A CN108488342 A CN 108488342A CN 201810139109 A CN201810139109 A CN 201810139109A CN 108488342 A CN108488342 A CN 108488342A
- Authority
- CN
- China
- Prior art keywords
- roller
- vibration damping
- screw pair
- planetary roller
- leading screw
- 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
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- 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
- F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
- F16H25/2252—Planetary rollers between nut and screw
-
- 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
- F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
- F16H25/2266—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers arranged substantially in parallel to the screw shaft axis
-
- 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
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0417—Heat exchangers adapted or integrated in the gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
A kind of planetary roller screw pair having both vibration damping and refrigerating function, including leading screw (1), function pipe (2), roller (3), outer nut (4), ring gear (5), retainer (6), check ring (7), spring leaf (8), positioning pin (9), by the way that roller (3) is arranged in function pipe (2) and outer nut (4) junction, ring gear (5), retainer (6), check ring (7), spring leaf (8), accurate transmission is realized in the combination of positioning pin (9), pass through function pipe (2) own material properties and interior note coolant liquid simultaneously, spring leaf (8) is installed additional in roller (3) straight-tooth both ends realizes accurate vibration damping and planetary roller screw pair radiating and cooling, it is simple in structure, stability is good.
Description
Technical field
The present invention relates to a kind of planetary roller screw pairs having both vibration damping and refrigerating function, belong to mechanical transmissioning technology neck
Domain.
Background technology
Planetary roller screw pair is a kind of mechanical device by convert rotational motion for linear movement, can be in different rings
Heavy duty thousands of a hours are born in border, are had more supporting point, can be made holding for planetary ball lead screw pair by numerous contact lines
Loading capability enhances.During the work time, leading screw is started to drive and stop acceleration when driving to planetary roller screw pair by motor
Journey and motor positive and inverse Huan Shi mechanisms can all generate vibration, and vibration will increase the mill between leading screw, roller and nut thread tooth
Damage, influences device longevity and working efficiency.Currently, existing planetary roller screw pair does not have to solve the problems, such as vibration abrasion substantially,
Simultaneously because screw rotation velocity is higher, big with roller-contact area, temperature rise is larger, is easy to influence the transmission accuracy of mechanism, hold
It easily leads to thread deformation or even enables mechanism blockage.
Invention content
Present invention solves the technical problem that being：For planetary roller screw pair in the prior art during the work time due to electricity
Caused vibration is easy when accelerator, motor positive and inverse when machine leading screw drives and stops driving are changed causes roller screw pair
The problem of inter deterioration, it is proposed that it is a kind of to have both the planetary roller screw pair of vibration damping and refrigerating function, while overcoming by leading screw
Calorific value it is larger cause local temperature rise larger, and then influence transmission mechanism precision and the problem of other performances.
The present invention solves above-mentioned technical problem and is achieved by following technical solution：
A kind of planetary roller screw pair having both vibration damping and refrigerating function, including it is leading screw, function pipe, roller, outer nut, interior
Gear ring, retainer, check ring, spring leaf, positioning pin, the leading screw is hollow circuit cylinder and cylindrical outer side is evenly arranged with boring
Hole, described to be embedded in bore hole for vibration damping and the function pipe of cooling, the leading screw screws in outer nut center, the roller
It is uniformly distributed in around leading screw, roller is engaged and connect with leading screw external screw thread by external screw thread, while the roller passes through outer spiral shell
Line is rotatably connected in outer nut inside, the roller and the thread rotary orientation of leading screw and the thread rotary orientation of outer nut is identical, the spring leaf
It is set to roller straight-tooth both sides and for being installed on outer nut inner surface to the preload of roller inside and external vibration damping, the ring gear
Both ends are fixedly connected by the positioning pin simultaneously, and the outer nut is equipped with groove, roller against ring gear installation site
External part is installed in retainer circular hole, and retainer is set in the groove and fixed ring gear installation site, the spring
Baffle ring is set on the outside of the retainer at outer nut inner surface both ends and fixed retainer and the axially mounted position of ring gear.
The function tube material is copper aluminium, and coolant liquid is housed in function pipe.
The coolant liquid is glycerol type coolant liquid.
The bore hole quantity of the leading screw is 4.
The counterbore section shape is sector, and trihedral angle degree is 60 °, semidiameter 3mm, the interior outer side edges edge of the bore hole
Shape is dome arc.
The leading screw, roller, outer nut, ring gear, retainer material are 9Cr18Mo stainless steels.
The leading screw, roller, outer nut screw thread basis thread form angle are 70 °.
The roller quantity is 5,6 or 9.
Preferably, the spring leaf is carbon spring.
Further, the check ring material is carbon steel
The advantages of the present invention over the prior art are that：
(1) the present invention provides a kind of planetary roller screw pairs having both vibration damping and refrigerating function, by planetary roller
Leading screw axle center in lead screw pair processes through-hole, installs the function pipe of specific cross-sectional shape using interference fit and by function pipe
Filling coolant liquid and function pipe itself material has achieved the purpose that cooling planetary roller screw pair, it can also be ensured that planetary roller silk
Thick stick pair rigidity and intensity reduce its rotary inertia, and then reduce power of motor loss；
(2) present invention is machined with circular through hole in the axle center of function pipe, which also has several fan-shaped pylones, by
In structure and the characteristic of material, certain elasticity is made it have so that cause when lead screw pair is vibrated between leading screw and function pipe
Friction reach effectiveness in vibration suppression to consume a part of vibrational energy；
Description of the drawings
Fig. 1 is the planetary roller screw pair structure chart that invention provides；
Fig. 2 is the planetary roller screw pair work sheet that invention provides；
Fig. 3 is the function tube section figure that invention provides；
Fig. 4 is the function pipe structure chart that invention provides；
Fig. 5 is the function tube section bore hole schematic diagram that invention provides；
Specific implementation mode
A kind of planetary roller screw pair having both vibration damping and refrigerating function, as shown in Figure 1, including leading screw 1, function pipe 2, rolling
Column 3, outer nut 4, ring gear 5, retainer 6, check ring 7, spring leaf 8, positioning pin 9, the leading screw 1 are hollow circuit cylinder and circle
Fan-shaped bore hole is evenly arranged on the outside of column, described to be embedded in fan-shaped bore hole for vibration damping and the function pipe 2 of cooling, the leading screw
1 screws in 4 center of outer nut, and the roller 3 is uniformly distributed in around leading screw 1, and roller 3 passes through external screw thread and 1 outer spiral shell of leading screw
Line is engaged and is connected, while the roller 3 is connected to the screw thread of 4 inside of outer nut, the roller 3 and leading screw 1 by external screw thread
Rotation direction is identical as the thread rotary orientation of outer nut 4, the spring leaf 8 be set to 3 straight-tooth both sides of roller and the inside of roller 3 is pre-tightened and
External vibration damping, the ring gear 5 are installed on 4 inner surface both ends of outer nut while being fixedly connected by the positioning pin 9, institute
It states outer nut 4 and is equipped with groove against 5 installation site of ring gear, 3 external part of roller is installed in 6 circular hole of retainer, and retainer 6 is set
It is placed in the groove and 5 installation site of fixed ring gear, the check ring 7 is set to the guarantor at 4 inner surface both ends of outer nut
Hold 6 outside of frame and 5 axially mounted position of fixed retainer 6 and ring gear.
The function pipe 2 is aluminium alloy, and coolant liquid is housed in function pipe 2, and the coolant liquid is glycerol type coolant liquid.
As shown in Fig. 3, Fig. 4, Fig. 5, the bore hole quantity of the leading screw 1 is 4, while the counterbore section shape is fan
Shape, trihedral angle degree are 60 °, semidiameter 3mm, and the interior outer side edges of the bore hole are dome arc, the leading screw 1, rolling along shape
Column 3, outer nut 4, ring gear 5,6 material of retainer are 9Cr18Mo stainless steels, the leading screw 1, roller 3,4 screw thread of outer nut
Basic thread form angle is 70 °, and 3 quantity of the roller is 5,6 or 9, and the spring leaf 8 is carbon spring, the spring
7 material of baffle ring is carbon steel.
The workflow of the present apparatus is as follows：
As shown in Fig. 2, planetary roller screw pair is at work, motor or retarder driving outer nut 4 rotate, and drive and outer
The ring gear 5 that nut 4 connects links, while roller 3 being driven to do revolution and rotation, while roller 3 drives leading screw 1 to do axial fortune
Dynamic, for device when band carries high speed operation, roller 3 is far above unloaded tick-over with 1 inside contact surface temperature of leading screw, to function pipe
Coolant liquid is injected in 2, the characteristics of by the circulation temperature lowering of coolant liquid, is played the role of cooling and heat dissipation, is improved working efficiency, together
When, during the work time, component easy tos produce abrasion to roller screw pair, influences working life and performance, and selection material is aluminium
The function pipe 2 of alloy reduces vibratory impulse by 2 damping property of function pipe, while it is used to reduce roller screw pair inner rotation
When amount, reduction carry load work, internal vibration wears the component that roller screw pair is brought, and consumes a part of vibrational energy,
Reach effectiveness in vibration suppression.
The content that description in the present invention is not described in detail belongs to the known technology of those skilled in the art.
Claims (10)
1. a kind of planetary roller screw pair having both vibration damping and refrigerating function, it is characterised in that：Including leading screw (1), function pipe
(2), roller (3), outer nut (4), ring gear (5), retainer (6), check ring (7), spring leaf (8), positioning pin (9), institute
It is that hollow circuit cylinder and cylindrical outer side are evenly arranged with bore hole to state leading screw (1), described embedded for vibration damping and the function pipe (2) of cooling
In in bore hole, the leading screw (1) screws in outer nut (4) center, and the roller (3) is uniformly distributed in around leading screw (1), rolling
Column (3) is engaged and is connect with leading screw (1) external screw thread by external screw thread, while the roller (3) is rotatably connected in outer spiral shell by external screw thread
On the inside of female (4), the thread rotary orientation of the roller (3) and leading screw (1) is identical as the thread rotary orientation of outer nut (4), the spring leaf
(8) roller (3) straight-tooth both sides are set to and for being installed on to preload inside roller (3) and external vibration damping, the ring gear (5)
Outer nut (4) inner surface both ends are fixedly connected by the positioning pin (9) simultaneously, and the outer nut (4) abuts ring gear
(5) installation site is equipped with groove, and roller (3) external part is installed in retainer (6) circular hole, and retainer (6) is set to described recessed
In slot and fixed ring gear (5) installation site, the check ring (7) are set to the retainer at outer nut (4) inner surface both ends
(6) outside and fixed retainer (6) and ring gear (5) axially mounted position.
2. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 1, it is characterised in that：Institute
It is copper aluminium to state function pipe (2) material, and coolant liquid is housed in function pipe (2).
3. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 2, it is characterised in that：Institute
It is glycerol type coolant liquid to state coolant liquid.
4. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 2, it is characterised in that：Institute
The bore hole quantity for stating leading screw (1) is 4.
5. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 4, it is characterised in that：Institute
It is sector to state counterbore section shape, and trihedral angle degree is 60 °, semidiameter 3mm, and the interior outer side edges of the bore hole are convex along shape
Circular arc.
6. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 1, it is characterised in that：Institute
It is 9Cr18Mo stainless steels to state leading screw (1), roller (3), outer nut (4), ring gear (5), retainer (6) material.
7. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 6, it is characterised in that：Institute
It is 70 ° to state leading screw (1), roller (3), outer nut (4) screw thread basis thread form angle.
8. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 7, it is characterised in that：Institute
It is 5,6 or 9 to state roller (3) quantity.
9. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 1, it is characterised in that：Institute
It is carbon spring to state spring leaf (8).
10. a kind of planetary roller screw pair having both vibration damping and refrigerating function according to claim 1, it is characterised in that：
Check ring (7) material is carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139109.1A CN108488342A (en) | 2018-02-11 | 2018-02-11 | A kind of planetary roller screw pair having both vibration damping and refrigerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810139109.1A CN108488342A (en) | 2018-02-11 | 2018-02-11 | A kind of planetary roller screw pair having both vibration damping and refrigerating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488342A true CN108488342A (en) | 2018-09-04 |
Family
ID=63340481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810139109.1A Pending CN108488342A (en) | 2018-02-11 | 2018-02-11 | A kind of planetary roller screw pair having both vibration damping and refrigerating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488342A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505936A (en) * | 2018-11-14 | 2019-03-22 | 西北工业大学 | It is a kind of can adaptive temperature control planetary spindle drive |
| CN110778672A (en) * | 2019-11-13 | 2020-02-11 | 江苏科技大学 | Planetary roller screw type inerter and inerter coefficient calculation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734417A (en) * | 2012-06-21 | 2012-10-17 | 西北工业大学 | Single-nut planetary roller screw rod mechanism capable of simultaneously eliminating axial clearances on two sides |
| CN102808911A (en) * | 2012-08-22 | 2012-12-05 | 西北工业大学 | Hollow planet roller lead screw pair |
| TW201326616A (en) * | 2011-12-29 | 2013-07-01 | Hiwin Tech Corp | Screw rod with cooling and vibration reduction functions |
| CN103939552A (en) * | 2014-05-08 | 2014-07-23 | 黄溧震 | Lead motion controllable planetary roller screw |
| CN106763602A (en) * | 2017-01-16 | 2017-05-31 | 程春林 | A kind of multiple thread planetary spindle drive |
| CN107061658A (en) * | 2017-05-04 | 2017-08-18 | 西安交通大学 | A kind of metal-rubber vibration damping cools down leading screw |
-
2018
- 2018-02-11 CN CN201810139109.1A patent/CN108488342A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201326616A (en) * | 2011-12-29 | 2013-07-01 | Hiwin Tech Corp | Screw rod with cooling and vibration reduction functions |
| CN102734417A (en) * | 2012-06-21 | 2012-10-17 | 西北工业大学 | Single-nut planetary roller screw rod mechanism capable of simultaneously eliminating axial clearances on two sides |
| CN102808911A (en) * | 2012-08-22 | 2012-12-05 | 西北工业大学 | Hollow planet roller lead screw pair |
| CN103939552A (en) * | 2014-05-08 | 2014-07-23 | 黄溧震 | Lead motion controllable planetary roller screw |
| CN106763602A (en) * | 2017-01-16 | 2017-05-31 | 程春林 | A kind of multiple thread planetary spindle drive |
| CN107061658A (en) * | 2017-05-04 | 2017-08-18 | 西安交通大学 | A kind of metal-rubber vibration damping cools down leading screw |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505936A (en) * | 2018-11-14 | 2019-03-22 | 西北工业大学 | It is a kind of can adaptive temperature control planetary spindle drive |
| CN110778672A (en) * | 2019-11-13 | 2020-02-11 | 江苏科技大学 | Planetary roller screw type inerter and inerter coefficient calculation method thereof |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |