CN106246722B - A kind of load-carrying rolling line slideway auxiliary being homogenized error - Google Patents
A kind of load-carrying rolling line slideway auxiliary being homogenized error Download PDFInfo
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- CN106246722B CN106246722B CN201610833282.2A CN201610833282A CN106246722B CN 106246722 B CN106246722 B CN 106246722B CN 201610833282 A CN201610833282 A CN 201610833282A CN 106246722 B CN106246722 B CN 106246722B
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- guide rail
- contact
- rolling element
- sliding block
- rail
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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
- 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
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a kind of load-carrying rolling line slideway auxiliaries being homogenized error, including sliding block, guide rail.It is equipped with rolling element between guide rail and four rail contact faces of sliding block, rolling element is moved along sliding block glide direction；The both sides of rolling element are round and smooth busbar, and the busbar includes the amendment camber line Jing Guo correcting process positioned at intermediate stress camber line and end；The inner concave of slider track and the busbar of rolling element form interior contact point, and the busbar of orbit of guide rail arcuate surface and rolling element forms external contact, and interior contact point and external contact are in be distributed by " o " type in the center of circle of the geometrically symmetric center of orbit of guide rail.When sliding block bears unbalance loading or integrated deflection occurs in guide rail, so that interior contact and outer contacting are formed by contact point and deviate, there is influence of the integrated deflection to rolling body contact zone to offset unbalance loading or track, the contact stress of contact and outer contacting is no more than the limit in ensureing, does not generate damage to orbit of guide rail face.
Description
Technical field
The present invention relates to it is a kind of be homogenized installation, foozle load-carrying rolling line slideway auxiliary.
Background technology
Roller line slideway auxiliary rolling element is placed in the rectangular space that slider track and orbit of guide rail are formed, rolling element with
The movement of sliding block is done around center axis rotary motion, and the linear velocity of rotation is approximately equal to slide block movement linear velocity, interorbital
Often there are multiple rolling elements to roll simultaneously, in the same direction, ensures that sliding block can be along guide rail simultaneously in the load force that carrying sliding block transmits
Movement；Error is will produce when product manufacturing is with installation, and rolling element (roller) can be because of contact zone when being installed between orbital plane
Deformation, leads to roller unbalance stress, the appearance of limiting range of stress situation is easily occurred more than, under causing orbital plane fatigue life serious
Drop；Rolling element unbalance stress causes athletic posture to change, and influences slide block movement fluency, and generate contact to other component
Power, the rate of decay of acceleration component generate destruction to the performance of entire product, reduce the service life of product.
Invention content
In order to solve the deficiencies in the prior art, the present invention proposes a kind of load-carrying rolling line slideway auxiliary, when orbital plane goes out
When existing deflection, the contact point of rolling element and orbital plane generates offset, avoids the appearance that end contact stress is concentrated when roller unbalance loading,
Slider track is concave, plays the role of holding to rolling element, is not in that rolling element sliding is collapsed and gone wrong, reduce manufacture it is difficult
Degree, economization production easy to implement.
The present invention adopts the following technical scheme that：
A kind of load-carrying rolling line slideway auxiliary being homogenized error, including sliding block, guide rail, the sliding block are connected in guide rail
And reciprocatingly slide along guide rail, the guide rail both sides and sliding block are respectively equipped with four rail contact faces, and the four of the guide rail and sliding block
It is equipped with rolling element between rail contact face, rolling element is moved along sliding block glide direction；
The both sides of the rolling element are round and smooth busbar, and the busbar includes passing through positioned at intermediate stress camber line and end
The amendment camber line of correcting process；
The inner concave of the slider track and the busbar of rolling element form interior contact point, orbit of guide rail arcuate surface and rolling element
Busbar form external contact, the interior contact point and external contact are in using the geometrically symmetric center of orbit of guide rail as " o " in the center of circle
Type is distributed；
When sliding block bears unbalance loading or integrated deflection occurs in guide rail, due to the inner concave of slider track, rolling element busbar, lead
The design of rail track arcuate surface so that interior contact point and outer contacting point deviate, and entirety occur to offset unbalance loading or track
Influence of the deflection to rolling body contact zone.
Preferably, the interior contact point and external contact have four pairs and opposite rail track geometry symmetrical centre is symmetrical, connect
The product of touch and contact point to the geometrically symmetric line of centres intersection point of orbit of guide rail is the torque that sliding block can bear.
Preferably, the rolling element both sides are equipped with retainer, and retainer ensures that rolling element does not fall off and arranged along direction is determined
Row.
Preferably, the sliding block has inner concave, edge-on block face, supporting surface, and angle is between edge-on block face and supporting surface
Between 85 ° -88 °, edge-on block face contacts rolling element with inner concave.
Preferably, the interior contact point and the mean exposure stress of external contact adapt to ratio with rolling element busbar and orbital plane
In positive parabolic relation, i.e., rolling element busbar curvature and track face curvature ratio are in positive parabolic relation.
Preferably, the guide rail both sides are respectively equipped with the first rail contact face and the second rail contact face of arc, and first
Vertical surface is equipped between rail contact face and the second rail contact face.
Use the advantageous effects that technical solution as above obtains for：
When sliding block bears unbalance loading or integrated deflection occurs in guide rail, due to the inner concave of slider track, rolling element busbar, lead
The design of rail track arcuate surface so that interior contact and outer contacting are formed by contact point and deviate, and offset unbalance loading or track goes out
The contact stress of influence of the existing integrated deflection to rolling body contact zone, the interior contact of guarantee and outer contacting is no more than the limit, not to leading
Rail orbital plane generates damage.
Description of the drawings
Fig. 1 is the load-carrying rolling line slideway auxiliary front view involved in the present invention for being homogenized error.
Fig. 2 is sliding block, rolling element, guide rail position structural schematic diagram.
Fig. 3 is slide block structure schematic diagram.
Fig. 4 is guide rail structure schematic diagram.
Fig. 5 is rolling element structural schematic diagram.
Fig. 6 is that sliding block bears unbalance loading or rolling element contact point plan of transposition when integrated deflection occurs in guide rail.
Fig. 7 is the radian and contact stress relation curve of rolling element stress camber line.
Fig. 8 is the length and contact stress relation curve of rolling element stress camber line.
In figure, 1, guide rail, 2, retainer, 3, rolling element, 4, sliding block, 5, " o " type, " o " type after 5`, offset, 11, first
Rail contact face, the 14, second rail contact face, 15, vertical surface, 31, correct camber line, 32, stress camber line, 41, supporting surface, 42,
Edge-on block face, 43, inner concave；
Interior contact point 43a, 43b that the busbar of the inner concave of slider track and rolling element is formed, orbit of guide rail arcuate surface with
External contact 13a, 13b that the busbar of rolling element is formed；
When sliding block bears unbalance loading or integrated deflection occurs in guide rail, the inner concave of slider track and the busbar of rolling element are formed
Interior contact point 43a`, 43b`, external contact 13a`, 13b` that the busbar of orbit of guide rail arcuate surface and rolling element is formed.
Specific implementation mode
It is described further in conjunction with 1 to 8 pair of specific implementation mode of the invention of attached drawing：
A kind of load-carrying rolling line slideway auxiliary being homogenized error, including sliding block 4, guide rail 1, the sliding block are connected to guide rail
Interior and reciprocatingly slide along guide rail, the guide rail both sides and sliding block are respectively equipped with four rail contact faces.The guide rail and sliding block
Rolling element 3 is equipped between four rail contact faces, rolling element is moved along sliding block glide direction；The both sides of the rolling element are circle
Sliding busbar, the busbar include the amendment camber line Jing Guo correcting process positioned at intermediate stress camber line and end；The sliding block
The inner concave of track and the busbar of rolling element form interior contact point, the busbar formation outer contacting of orbit of guide rail arcuate surface and rolling element
Point, the interior contact point and external contact are in be distributed by " o " type in the center of circle of the geometrically symmetric center of orbit of guide rail；When sliding block is born
When integrated deflection occur in unbalance loading or guide rail, since the inner concave of slider track, rolling element busbar, orbit of guide rail arcuate surface are set
Meter so that interior contact point and outer contacting point deviate, and offset unbalance loading or track integrated deflection occurs to rolling body contact zone
It influences.
Interior contact point and the mean exposure stress of external contact are adapted to rolling element busbar and orbital plane than being in positive parabola
Relationship, i.e. rolling element busbar curvature are in positive parabolic relation with track face curvature ratio, and there are a minimum adaptation ratio and minimums
Mean exposure stress is corresponding.
Rolling element busbar includes the amendment camber line 31 Jing Guo correcting process positioned at intermediate stress camber line 32 and end, wherein
32 overall length of stress camber line is LS, and amendment 31 radius of curvature of camber line is R31, and 32 radius of curvature of stress camber line is R32, and L is rolling element
Overall length, DW are rolling element maximum gauge.Rolling element both sides are equipped with retainer 2, and retainer ensures that rolling element is not fallen off and along i.e. fixed
Direction arranges.Ensure that not occurring 3 end stress of rolling element when carrying concentrates or averagely answered no more than the limiting range of stress or contact zone
The most low condition of power.
Interior contact point and external contact have four pairs and opposite rail track geometry symmetrical centre is symmetrical, contact force and contact point
Product to the geometrically symmetric line of centres intersection point of orbit of guide rail is the torque that sliding block can bear.When sliding block 4 bears torque M,
Track is by contact force F1, F1 ' with the product of arm of force L/2 it is torque M.
Sliding block has inner concave 43, edge-on block face, supporting surface, is contacted with rolling body end surface in order to reduce edge-on block face 42
Frictional force, between angle is 85 ° -88 ° between edge-on block face 42 and supporting surface 41, the inner concave of edge-on block face and slider track connects
Touch rolling element.
Guide rail both sides are respectively equipped with the first rail contact face 11 and the second rail contact face 14 of arc, the first rail contact
Vertical surface 15 is equipped between face and the second rail contact face.First rail contact face is convex track, size R11；Second rail
Road contact surface size is R14.
Fig. 7 is under the conditions of particular bearer using orbital arc as variable, is optimization with contact zone stress average or maximum value
Parameter seeks optimal trajectory circular arc data, using the radian of rolling element stress camber line 32 as variable, with same load-up condition lower railway face
The minimum target variable of contact stress extreme value, abscissa is arc size in figure, and ordinate is stress maximum.
The length LS of Fig. 8 display scrolling body stress camber lines is variable, is equally excellent with contact zone stress average or maximum value
Change parameter, seeks roller bus structure parameter best value.Using the length LS of rolling element stress camber line 32 as variable, with same load item
The minimum target variable of part lower railway face contact stress extreme value, abscissa is LS size changing amount in figure, and ordinate is stress pole
Big value.
Guide rail, slider track face arc size solve herewith principle.
Under normal circumstances rolling element 3 and guide rail 1 contact point 13a (by taking a wherein track as an example, totally four tracks,
He three it is same), interior contact point 43a, 43b that the inner concave of slider track and the busbar of rolling element are formed, orbit of guide rail arcuate surface
External contact 13a, the 13b formed with the busbar of rolling element, contact point are in " o " type 5.Sliding block as shown in Figure 6 bears unbalance loading or leads
When there is integrated deflection in rail so that the contact point of rolling element and track deviates, and contact point becomes 13a`, 13b`, 43a`,
43b`, contact point can pass through in " o " type 5` after offset since track and rolling element busbar have been designed to arc surface (line)
Offset contact point come offset unbalance loading or heeling error to roll body contact zone influence, will not make localized contact stress be more than pole
It limits, orbital plane is caused to generate damage.
The load-carrying rolling line slideway auxiliary bearing part that error can be homogenized mainly is made of sliding block, rolling element and guide rail, sliding
The external load power that block is born passes to guide rail by rolling element, and sliding block, guide rail are contacted with rolling element generation by orbital plane, rolled
Kinetoplast corrects bus structure using part, and sliding block, orbit of guide rail face use arc surface structure, guideway to bear Contact Pair at light load
For point contact, with the increase of carrying, contact zone becomes line (face) contact, and orbit of guide rail face is designed as crowning, slider track
Face is designed as concave face, improves rolling element retention property；When track is contour there are when deviation, the contact point of rolling element and orbital plane
It can deviate, cause to roll the undesirable problem of body contact zone to offset deviation with this.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment
When explanation, any technical person familiar with the field is all equivalent substitutes for being made, bright under the guidance of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (5)
1. a kind of load-carrying rolling line slideway auxiliary being homogenized error, including sliding block (4), guide rail (1), sliding block (4) clamping
It reciprocatingly slides in guide rail (1) and along guide rail (1), guide rail (1) both sides and sliding block (4) are respectively equipped with four rail contacts
Face, which is characterized in that
Rolling element (3) is equipped between the guide rail (1) and four rail contact faces of sliding block (4), rolling element (3) is along sliding block
(4) glide direction moves；
The both sides of the rolling element (3) are round and smooth busbar, and the busbar includes positioned at intermediate stress camber line (32) and end
Amendment camber line (31) by correcting process；
The inner concave (43) of the slider track forms interior contact point, orbit of guide rail arcuate surface and rolling with the busbar of rolling element (3)
The busbar of kinetoplast (3) forms external contact, and it is circle that the interior contact point and external contact, which are in the geometrically symmetric center of orbit of guide rail,
" o " type of the heart is distributed；
When sliding block (4) bears unbalance loading or integrated deflection occurs in guide rail, since the inner concave (43) of slider track, rolling element are female
The design of line, orbit of guide rail arcuate surface so that interior contact point and outer contacting point deviate, and occur to offset unbalance loading or track
Influence of the integrated deflection to rolling body contact zone.
2. a kind of load-carrying rolling line slideway auxiliary being homogenized error according to claim 1, which is characterized in that in described
Contact point and external contact have four pairs and opposite rail track geometry symmetrical centre is symmetrical, contact force and contact point to orbit of guide rail
The product of geometrically symmetric line of centres intersection point is the torque that sliding block (4) can bear.
3. a kind of load-carrying rolling line slideway auxiliary being homogenized error according to claim 1, which is characterized in that the rolling
Kinetoplast (3) both sides are equipped with retainer (2), and retainer (2) ensures that rolling element (3) does not fall off and arranged along direction is determined.
4. a kind of load-carrying rolling line slideway auxiliary being homogenized error according to claim 3, which is characterized in that the cunning
Block (4) has inner concave (43), edge-on block face (42), supporting surface (41), angle between edge-on block face (42) and supporting surface (41)
Between 85 ° -88 °, edge-on block face (42) contacts rolling element with inner concave (43).
5. a kind of load-carrying rolling line slideway auxiliary being homogenized error according to claim 1, which is characterized in that described to lead
Rail (1) both sides are respectively equipped with the first rail contact face (11) and the second rail contact face (14) of arc, the first rail contact face
(11) vertical surface (15) is equipped between the second rail contact face (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833282.2A CN106246722B (en) | 2016-09-20 | 2016-09-20 | A kind of load-carrying rolling line slideway auxiliary being homogenized error |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833282.2A CN106246722B (en) | 2016-09-20 | 2016-09-20 | A kind of load-carrying rolling line slideway auxiliary being homogenized error |
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| Publication Number | Publication Date |
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| CN106246722A CN106246722A (en) | 2016-12-21 |
| CN106246722B true CN106246722B (en) | 2018-08-17 |
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| CN201610833282.2A Active CN106246722B (en) | 2016-09-20 | 2016-09-20 | A kind of load-carrying rolling line slideway auxiliary being homogenized error |
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| CN108803497A (en) * | 2018-05-24 | 2018-11-13 | 天津大学 | A kind of modeling method of guiding error-moving component position and attitude error mapping model |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202484086U (en) * | 2011-12-21 | 2012-10-10 | 山东赛尔机械导轨有限公司 | Rolling linear guide rail pair adopting drum-shaped rollers |
| EP2604875A1 (en) * | 2011-09-07 | 2013-06-19 | NSK Ltd. | Linear motion guide device |
| CN103573810A (en) * | 2012-07-20 | 2014-02-12 | 简雪赺 | Linear side rail with doubled service life |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112012003767B4 (en) * | 2011-09-09 | 2017-04-06 | Thk Co., Ltd. | Motion control device |
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- 2016-09-20 CN CN201610833282.2A patent/CN106246722B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2604875A1 (en) * | 2011-09-07 | 2013-06-19 | NSK Ltd. | Linear motion guide device |
| CN202484086U (en) * | 2011-12-21 | 2012-10-10 | 山东赛尔机械导轨有限公司 | Rolling linear guide rail pair adopting drum-shaped rollers |
| CN103573810A (en) * | 2012-07-20 | 2014-02-12 | 简雪赺 | Linear side rail with doubled service life |
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| CN106246722A (en) | 2016-12-21 |
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Address after: No. 27, Shan Dana Road, Ji'nan, Shandong Province, Shandong Applicant after: Shandong University Applicant after: Shandong Bote Precision Industrial Co., Ltd. Address before: No. 1, mountain Bo Road, Jining high tech Zone, Shandong Province Applicant before: Shandong Bote Precision Industrial Co., Ltd. Applicant before: Shandong University |
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