CN109519473A - A kind of heavy duty roller line slideway auxiliary - Google Patents
A kind of heavy duty roller line slideway auxiliary Download PDFInfo
- Publication number
- CN109519473A CN109519473A CN201811472421.9A CN201811472421A CN109519473A CN 109519473 A CN109519473 A CN 109519473A CN 201811472421 A CN201811472421 A CN 201811472421A CN 109519473 A CN109519473 A CN 109519473A
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- CN
- China
- Prior art keywords
- roller
- sliding block
- raceway
- indicate
- guide rail
- 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.)
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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
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/043—Ball or roller bearings with two massive rectangular rails having facing grooves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a kind of heavy duty roller line slideway auxiliaries, the axial length of its roller is less than the width of guide level raceway and is less than the width of sliding block plane raceway, easement curve of the side in the axial cross section of roller direction along the axial length by being located in the middle straight line and positioned at both ends forms, easement curve is that can make the equally distributed logarithmic curve of contact pressure, the convexity amount of easement curve is according to the material constant of the roller and guide rail or sliding block that contact with each other, the dynamic load rating of roller line slideway auxiliary, the axial length of roller is calculated, advantage is it eliminates the phenomenon that roller both ends stress that roller and raceway contact generate is concentrated, so that bearing capacity and rigidity are significantly enhanced, and service life is extended.
Description
Technical field
The present invention relates to a kind of linear rolling guides, more particularly, to a kind of heavy duty roller line slideway auxiliary.
Background technique
Now, with the continuous improvement that the development of heavy industry and mechanical equipment host require, for immediately following mechanical equipment master
The trend of machine, linear rolling guide develop towards high rigidity, heavy duty, high-accuracy and energy conservation and environmental protection etc., make
For linear rolling guide bear load main pass part --- rolling element also develops into drum type, cylinder (roller) from steel ball (ball)
Equal different structures form, to meet the performances such as high rigidity, heavy duty.
Since the roller in roller line slideway auxiliary is that line contacts with raceway, ball of the dead load relative to point contact
Line slideway auxiliary is improved significantly.But and due to the particularity of roller shape, it will appear side at the both ends of roller
Edge effect, causing roller, there is stress concentration in both ends during the motion, and then lead to fatigue damage, influence service life,
So there is reciprocal curve transition at the both ends of general roller, but it is to be directed to that the reciprocal curve transition at the both ends of general roller, which is not,
The applying working condition of roller line slideway auxiliary and design, obtained by the FEM Analysis, if chamfer dimesion is too small, roller
Both ends still will appear stress concentration phenomenon, and if chamfer dimesion is too big, will lead to roller finite length and be unable to get
Effective use.Therefore, a kind of use is designed using guideway actual condition load as the heavy duty roller line slideway auxiliary of parameter designing,
Have great importance.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of heavy duty roller line slideway auxiliary, roller and raceway contact
When roller both ends do not generate stress concentration phenomenon so that bearing capacity and rigidity are significantly enhanced, and make service life
Extended.
The technical scheme of the invention to solve the technical problem is: a kind of heavy duty roller line slideway auxiliary, including
Guide rail and sliding block with sliding slot, in the guide rail insertion sliding slot, the two sidewalls of the guide rail are respectively upper and lower right
Title is provided with guide level raceway, at 90 degree of angles, the cunning between guide level raceway described in symmetrical above and below two
The two sidewalls of slot are respectively symmetrical above and below to be provided with sliding block plane raceway, the sliding block plane raceway with it is ipsilateral corresponding described
Guide level raceway it is parallel and be provided with a column roller between the two, the sliding block is located at the two side areas of the sliding slot
It is interior it is respectively symmetrical above and below be provided with roller back channel, roller described in each column is existed by the corresponding roller back channel
Iterative motion between the guide rail and the sliding block, it is characterised in that: the axial length of the roller is less than institute
The width for the guide level raceway stated and the width for being less than the sliding block plane raceway, the axial cross section of the roller is along axis
Easement curve to the side of length direction by being located in the middle straight line and positioned at both ends forms, and the easement curve is that can make
The equally distributed logarithmic curve of contact pressure, the convexity amount of the easement curve are δ,Wherein, the unit of δ is millimeter, and K indicates the roller to contact with each other and guide rail or cunning
The material constant of block, the unit of K are square millimeter/ox,v1Indicate the material Poisson's ratio of roller, E1
Indicate the elasticity modulus of materials of roller, E1Unit be lucky pa, v2Indicate the material Poisson's ratio of guide rail or sliding block, E2Indicate guide rail
Or the elasticity modulus of materials of sliding block, E2Unit be lucky pa, QmaxIndicate the maximum load that single roller can bear, QmaxList
Position is ox,F indicates the dynamic load rating of roller line slideway auxiliary, and the unit of F is ox,LtIndicate the length of sliding block, LtUnit be milli
Rice, ZtIndicate the quantity for the roller that a column roller includes, LweIndicate the axial length of roller, LweUnit be millimeter, DweIt indicates
The diameter of roller, DweUnit be millimeter, b indicate in QmaxThe half-breadth of lower roller and guide level raceway contact area, the unit of b
For millimeter, in QmaxLower roller is with the half-breadth in guide level raceway contact area and in QmaxLower roller and sliding block plane raceway contact area
Half-breadth it is consistent,
The guide rail is consistent with the material of the sliding block and the roller, v1=v2, E1=E2。
The material of the guide rail and the sliding block and the roller is bearing steel, v1=v2=0.3, E1=E2
=206 lucky pas.
Compared with the prior art, the advantages of the present invention are as follows:
By the axial cross section of roller, the easement curve at the both ends on the side in direction is designed to be able to press contact along the axial length
The equally distributed logarithmic curve of power, and can be obtained according to the respective dynamic load rating of the roller line slideway auxiliary of every kind of specification
The roller line slideway auxiliary of the convexity amount of easement curve, different size model each in this way corresponds to a kind of convexity amount of roller, makes
The roller line slideway auxiliary for obtaining every kind of specification can eliminate roller and guide level raceway or the rolling of sliding block plane in actual work
The both ends stress concentration phenomenon for the roller that road contact generates, work can be continued under severe duty by realizing roller line slideway auxiliary
Make, extends the whole service life of heavy duty roller line slideway auxiliary.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of heavy duty roller line slideway auxiliary of the invention；
Fig. 2 is the schematic diagram of the axial cross section of the roller in heavy duty roller line slideway auxiliary of the invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
A kind of heavy duty roller line slideway auxiliary proposed by the present invention, as shown in the figure comprising guide rail 1 and with sliding slot 21
Sliding block 2, guide rail 1 are embedded in sliding slot 21, and the two sidewalls of guide rail 1 are respectively symmetrical above and below to be provided with guide level raceway 12, right up and down
At 90 degree of angles between the two guide level raceways 12 claimed, the two sidewalls of sliding slot 21 are respectively symmetrical above and below to be provided with sliding block plane
Raceway 22, sliding block plane raceway 22 is parallel with ipsilateral corresponding guide level raceway 12 and is provided with a column roller between the two
3, sliding block 2 be located in the two side areas of sliding slot 21 it is respectively symmetrical above and below be provided with roller back channel 23, each column roller 3 by pair
The axial length of the roller back channel 23 answered iterative motion between guide rail 1 and sliding block 2, roller 3 is less than guide level
The width of raceway 12 and the width for being less than sliding block plane raceway 22, the Bian Youwei in the axial cross section of roller 3 direction along the axial length
In intermediate straight line 31 and positioned at the composition of easement curve 32 at both ends, easement curve 32 is that contact pressure can be made equally distributed
Logarithmic curve, the convexity amount of easement curve 32 are δ,Wherein, the unit of δ is milli
Rice, K indicate the material constant of the roller and guide rail or sliding block that contact with each other, and the unit of K is square millimeter/ox,v1Indicate the material Poisson's ratio of roller, E1Indicate the elasticity modulus of materials of roller, E1Unit be Ji
Pa, v2Indicate the material Poisson's ratio of guide rail or sliding block, E2Indicate the elasticity modulus of materials of guide rail or sliding block, E2Unit be lucky pa,
Take guide rail consistent with the material of sliding block and roller herein, v1=v2=0.3, E1=E2=206 lucky pas, QmaxIndicate single roller institute
The maximum load that can be born, QmaxUnit be ox,F is according to the dynamic load rating meter of relevant criterion
The dynamic load rating that formula is calculated i.e. F expression roller line slideway auxiliary is calculated, the unit of F is ox,LtIndicate the length of sliding block, LtUnit be milli
Rice, ZtIndicate the quantity for the roller that a column roller includes, LweIndicate the axial length of roller, LweUnit be millimeter, DweIt indicates
The diameter of roller, DweUnit be millimeter, b indicate in QmaxThe half-breadth of lower roller and 12 contact zone of guide level raceway, the list of b
Position is millimeter, in QmaxLower roller is with the half-breadth of 12 contact zone of guide level raceway and in QmaxLower roller and sliding block plane raceway 22
The half-breadth of contact zone is consistent,
Claims (3)
1. a kind of heavy duty roller line slideway auxiliary, including guide rail and with the sliding block of sliding slot, the guide rail insertion cunning
In slot, the two sidewalls of the guide rail are respectively symmetrical above and below to be provided with guide level raceway, leads described in symmetrical above and below two
At 90 degree of angles between rail plane raceway, the two sidewalls of the sliding slot are respectively symmetrical above and below to be provided with sliding block plane raceway, institute
The sliding block plane raceway stated is parallel with the ipsilateral corresponding guide level raceway and is provided with a column roller between the two,
The sliding block be located in the two side areas of the sliding slot it is respectively symmetrical above and below be provided with roller back channel, described in each column
Roller is special by corresponding roller back channel iterative motion between the guide rail and the sliding block
Sign is: the axial length of the roller, which is less than the width of the guide level raceway and is less than the sliding block plane, to be rolled
The width in road, the side in the axial cross section of roller direction along the axial length is by being located in the middle straight line and positioned at the mistake at both ends
Curve composition is crossed, the easement curve is that can make the equally distributed logarithmic curve of contact pressure, the easement curve
Convexity amount is δ,Wherein, the unit of δ is millimeter, and K indicates the roller to contact with each other
With the material constant of guide rail or sliding block, the unit of K is square millimeter/ox,v1Indicate the material of roller
Poisson's ratio, E1Indicate the elasticity modulus of materials of roller, E1Unit be lucky pa, v2Indicate the material Poisson's ratio of guide rail or sliding block, E2
Indicate the elasticity modulus of materials of guide rail or sliding block, E2Unit be lucky pa, QmaxIndicate the maximum load that single roller can bear
Lotus, QmaxUnit be ox,F indicates the dynamic load rating of roller line slideway auxiliary, and the unit of F is
Ox,LtIndicate the length of sliding block, LtUnit be
Millimeter, ZtIndicate the quantity for the roller that a column roller includes, LweIndicate the axial length of roller, LweUnit be millimeter, DweTable
Show the diameter of roller, DweUnit be millimeter, b indicate in QmaxThe half-breadth of lower roller and guide level raceway contact area, the list of b
Position is millimeter, in QmaxLower roller is with the half-breadth in guide level raceway contact area and in QmaxLower roller and sliding block plane raceway contact
The half-breadth in area is consistent,
2. a kind of heavy duty roller line slideway auxiliary according to claim 1, it is characterised in that: the guide rail and described
The material of sliding block and the roller is consistent, v1=v2, E1=E2。
3. a kind of heavy duty roller line slideway auxiliary according to claim 2, it is characterised in that: the guide rail and described
The material of sliding block and the roller is bearing steel, v1=v2=0.3, E1=E2=206 lucky pas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472421.9A CN109519473A (en) | 2018-12-04 | 2018-12-04 | A kind of heavy duty roller line slideway auxiliary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472421.9A CN109519473A (en) | 2018-12-04 | 2018-12-04 | A kind of heavy duty roller line slideway auxiliary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109519473A true CN109519473A (en) | 2019-03-26 |
Family
ID=65794302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811472421.9A Pending CN109519473A (en) | 2018-12-04 | 2018-12-04 | A kind of heavy duty roller line slideway auxiliary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519473A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973523A (en) * | 2019-04-07 | 2019-07-05 | 苏州华正工业科技有限公司 | A kind of narrow linear guide rail device of high linear precision lengthening |
| CN109973520A (en) * | 2019-04-07 | 2019-07-05 | 苏州华正工业科技有限公司 | A kind of high walking depth of parallelism pearl, column mixed straight line guide rail of narrow lengthening |
| WO2020206866A1 (en) * | 2019-04-07 | 2020-10-15 | 苏州华正工业科技有限公司 | Positive pressure heavy-load column rolling guide rail pair |
| CN112223425A (en) * | 2020-09-29 | 2021-01-15 | 上海精测半导体技术有限公司 | Conveying mechanism and cutting device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512616A (en) * | 1983-03-25 | 1985-04-23 | Toto Ltd. | Sliding guide |
| DE19534287C1 (en) * | 1995-09-15 | 1996-08-08 | Bundesrep Deutschland | Single-row large rolling bearing for axial, radial and moment loads |
| CN2268143Y (en) * | 1996-03-27 | 1997-11-19 | 王作军 | Anti-vibration round-roller bearing |
| CN1807910A (en) * | 2006-02-24 | 2006-07-26 | 马家驹 | Cylindrical roller with logarithmic curve |
| JP2009197904A (en) * | 2008-02-21 | 2009-09-03 | Ntn Corp | Rolling mechanical element |
| CN202301463U (en) * | 2011-09-13 | 2012-07-04 | 浙江八环轴承有限公司 | Double-row cylindrical roller bearing for lathe spindle |
| CN203412941U (en) * | 2013-06-19 | 2014-01-29 | 宁波海迈克精密机械制造有限公司 | Heavy-load roller linear guide rail pair |
| CN108547864A (en) * | 2018-07-06 | 2018-09-18 | 南京工艺装备制造有限公司 | A kind of roller line slideway auxiliary |
| CN108846249A (en) * | 2018-08-29 | 2018-11-20 | 中国航发哈尔滨轴承有限公司 | A kind of design method of cylindrical roller under the operating condition towards high-speed overload |
-
2018
- 2018-12-04 CN CN201811472421.9A patent/CN109519473A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512616A (en) * | 1983-03-25 | 1985-04-23 | Toto Ltd. | Sliding guide |
| US4512616B1 (en) * | 1983-03-25 | 1993-03-30 | Toto Ltd | |
| DE19534287C1 (en) * | 1995-09-15 | 1996-08-08 | Bundesrep Deutschland | Single-row large rolling bearing for axial, radial and moment loads |
| CN2268143Y (en) * | 1996-03-27 | 1997-11-19 | 王作军 | Anti-vibration round-roller bearing |
| CN1807910A (en) * | 2006-02-24 | 2006-07-26 | 马家驹 | Cylindrical roller with logarithmic curve |
| JP2009197904A (en) * | 2008-02-21 | 2009-09-03 | Ntn Corp | Rolling mechanical element |
| CN202301463U (en) * | 2011-09-13 | 2012-07-04 | 浙江八环轴承有限公司 | Double-row cylindrical roller bearing for lathe spindle |
| CN203412941U (en) * | 2013-06-19 | 2014-01-29 | 宁波海迈克精密机械制造有限公司 | Heavy-load roller linear guide rail pair |
| CN108547864A (en) * | 2018-07-06 | 2018-09-18 | 南京工艺装备制造有限公司 | A kind of roller line slideway auxiliary |
| CN108846249A (en) * | 2018-08-29 | 2018-11-20 | 中国航发哈尔滨轴承有限公司 | A kind of design method of cylindrical roller under the operating condition towards high-speed overload |
Non-Patent Citations (1)
| Title |
|---|
| 刘吉远: "《铁路货车轮轴技术概论》", 30 November 2009, 中国铁道出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973523A (en) * | 2019-04-07 | 2019-07-05 | 苏州华正工业科技有限公司 | A kind of narrow linear guide rail device of high linear precision lengthening |
| CN109973520A (en) * | 2019-04-07 | 2019-07-05 | 苏州华正工业科技有限公司 | A kind of high walking depth of parallelism pearl, column mixed straight line guide rail of narrow lengthening |
| WO2020206866A1 (en) * | 2019-04-07 | 2020-10-15 | 苏州华正工业科技有限公司 | Positive pressure heavy-load column rolling guide rail pair |
| CN112223425A (en) * | 2020-09-29 | 2021-01-15 | 上海精测半导体技术有限公司 | Conveying mechanism and cutting device |
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| 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: 20190326 |