CN2781064Y - Rolling linear guide pair device - Google Patents
Rolling linear guide pair device Download PDFInfo
- Publication number
- CN2781064Y CN2781064Y CN 200520056490 CN200520056490U CN2781064Y CN 2781064 Y CN2781064 Y CN 2781064Y CN 200520056490 CN200520056490 CN 200520056490 CN 200520056490 U CN200520056490 U CN 200520056490U CN 2781064 Y CN2781064 Y CN 2781064Y
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- CN
- China
- Prior art keywords
- guide rail
- groove
- slide block
- ball
- linear rolling
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a rolling linear guide rail pair device, which comprises a guide rail, wherein a sliding block is movably installed on the guide rail, four rolling ball passages are arranged in the sliding block and both sides of the guide rail and the inner surface of the sliding block are respectively provided with an upper groove and a lower groove. Rolling balls are installed in grooves, and reverser end covers are fixedly installed at the left end and the right end of the sliding block. Ball returning ditches which can be communicated with the grooves and rolling ball passages are arranged in the reverser end covers, the sections of the grooves of the guide rail and the grooves of the sliding block are in a semicircular arc shape with the same radius and the central distance of the upper groove and the lower groove of the lateral surface of the guide rail is larger or smaller than the central distance of the upper groove and the lower groove of the inner side surface of the sliding block. The utility model has the characteristics of equal load in four directions and smaller friction resistance. In addition, the utility model has the advantages of convenient detection and processing of the errors of a geometrical shape of an outline, simple and reliable wheel dressing, high reliability of accuracy and low manufacturing cost. Simultaneously, the vertical symmetry and the horizontal symmetry of the section of the guide rail is good and torsional deformation generated by heat treatment can be effectively avoided.
Description
Technical field
The utility model relates to a kind of linear guide pairs, particularly a kind of linear rolling guide device.
Background technique
At present, Chang Gui linear rolling guide device comprises guide rail in the world, be movably installed with slide block on the guide rail, guide rail both sides and slide block internal surface respectively are provided with two grooves up and down, be provided with plurality of balls in the groove, the two ends, the left and right sides of slide block are installed with the reverser end cap, are provided with the Hui Zhugou that is communicated with groove and ball channel in the reverser end cap, and existing linear rolling guide device is divided into following several form according to the contact form of groove:
1. with reference to Fig. 1, it is circular-arc that guide rail groove 11 and slide block groove 21 cross sections are 1/4 section of same radius, ball 4 is with guide rail groove 11 at 2 with slide block groove 21 and contacts, and point of contact line and horizontal line angle are 45 °, and the intersection point of the ball point of contact line of two grooves drops in the guide rail 1 up and down, this type is owing to use the form of 2 contacts, make surface friction drag little, torsional rotation force square rigidity is low, but error homogenizing function is strong, but since trench cross section be 1/4 section circular-arc, thereby cause using standard length bar detection difficult, precision reliability is difficult to guarantee that simultaneously, the guide rail section configuration is asymmetric up and down, torsional deformation is big during heat treatment, makes comparatively difficulty.
2. with reference to Fig. 2, it is circular-arc that guide rail groove 11 and slide block groove 21 cross sections are 1/4 section of same radius, ball 4 is with guide rail groove 11 at 2 with slide block groove 21 and contacts, and point of contact line and horizontal angle are 45 °, and the intersection point of the ball point of contact line of two grooves drops on outside the guide rail 1 up and down, and this type makes surface friction drag little owing to use the form of 2 contacts, torsional rotation force square rigidity height, error homogenizing function is low.But since trench cross section be 1/4 section circular-arc, thereby cause using standard length bar detection difficult, precision reliability is difficult to guarantee.
3. with reference to Fig. 3, guide rail groove 11 and slide block groove 21 cross sections are formed by 1/4 circular arc of two sections same radius is crossing, and two sections center of arc differ certain distance in lengthwise position, ball 4 is with guide rail groove 11 at 4 with slide block groove 21 and contacts, and point of contact line and horizontal angle are 45 °, this type is owing to use the form of 4 contacts, make that its bearing capacity is strong, the rigidity height, but there is bigger differential force of sliding friction in it, so surface friction drag is big, and the contour shape accuracy detection difficulty of truer, be difficult to guarantee the accuracy to shape of groove contour, the manufacture cost height.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of to be convenient to make, be convenient to detect, machining accuracy height and the little linear rolling guide device of surface friction drag.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of linear rolling guide device, comprise guide rail, be movably installed with slide block on the guide rail, be provided with four ball channels in the slide block, guide rail both sides and slide block internal surface respectively are provided with two grooves up and down, ball is installed in the groove, two ends, the described slide block left and right sides are installed with the reverser end cap, be provided with the Hui Zhugou that is communicated with groove and ball channel in the reverser end cap, described guide rail groove and slide block trench cross section are the semicircle arcuation of same radius, and the guide rail side centre distance of two grooves up and down is greater than or less than the slide block inner side surface centre distance of two grooves up and down.
As further improvement in the technical proposal, the point of contact line of described ball and guide rail groove and slide block groove and horizontal line angle are 45 °; The two ends, the left and right sides of described slide block groove are provided with is convenient to the fillet surface that ball smoothly enters Hui Zhugou; Being installed with oil on the described reverser end cap chews; Be provided with the oil cavity that runs through Hui Zhugou in the described reverser end cap; In the described reverser end cap semicylinder is installed, semicylinder is provided with the oilhole of release lubricant; Described reverser end cap also is installed with end cover outward, and end cover and guide rail contact surface are provided with the sealing oil sealing; Described slide block bottom surface is installed with the sealing egative film that fits tightly with the guide rail side; The pearl ditch outside of returning in the described reverser end cap is installed with the load ball distance ring that uses flexible Spring Steel Band to make, and described guide rail groove is provided with a groove that prevents that retainer and guide rail groove are in contact with one another.
The beneficial effects of the utility model are: because the utility model uses the form of 2 contacts, and the point of contact line is 45 ° with horizontal angle, thus have cubic to etc. the load characteristics, make surface friction drag less; In addition, guide rail groove and slide block trench cross section are the semicircle arcuation of same radius, make that the profile geometries error is convenient to detect, processing, and the emery wheel correction is simple and reliable, improve the reliability of precision and reduce manufacture cost; Simultaneously, about the cross section of guide rail, bilateral symmetry is good, the torsional deformation of effectively avoiding heat treatment to produce.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is existing guiding pairs groove contact condition figure;
Fig. 2 is second kind of existing guiding pairs groove contact condition figure;
Fig. 3 is the third existing guiding pairs groove contact condition figure;
Fig. 4 is a structural representation of the present utility model;
Fig. 5 is the plan view that part of the present utility model is cut open;
Fig. 6 is the guiding pairs groove contact condition figure of first kind of form of the utility model;
Fig. 7 is the guiding pairs groove contact condition figure of second kind of form of the utility model;
Fig. 8 is a reverser end cover structure schematic representation of the present utility model;
Fig. 9 is an end cover structural representation of the present utility model;
Figure 10 is the A-A sectional view of Fig. 9;
Figure 11 is that slide block groove shaft of the present utility model is to sectional view.
Embodiment
With reference to Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of linear rolling guide device, comprise guide rail 1, guide rail 1 is provided with the counter sink 13 of construction bolt, bottom surface and a side with guide rail 1 during installation are reference level, and use bolt that guide rail 1 is fixed on the worktable, and on bolt, install screw cap 14 after the installation, assemble in the hole to prevent dirty dirt; Be movably installed with slide block 2 on the described guide rail 1, be provided with four ball channels 22 in the slide block 2, guide rail 1 both sides and slide block 2 internal surfaces respectively are provided with two grooves 11,21 up and down, in the groove 11,21 ball 4 is installed, can eliminate gap between guide rail 1 and slide block 2 and the ball 4 by the interference size of adjusting ball 4, improve bearing capacity, thereby improve the Location accuracy of guiding pairs; Two ends, described slide block 2 left and right sides are installed with reverser end cap 5, in order to reduce the noise of ball 4, reverser end cap 5 uses the engineering plastics precise injection molding to be shaped, be provided with time pearl ditch 51 that is communicated with groove and ball channel 22 in the reverser end cap 5, thereby form the interior circuit loop of a ball 4, make slide block 2 realize the straight line motion of unlimited stroke; Described guide rail groove 11 and slide block groove 21 cross sections are the semicircle arcuation of same radius, make that the profile geometries error is convenient to detect, processing, and the emery wheel correction is simple and reliable, improve the reliability of precision and reduce manufacture cost; Simultaneously, about the cross section of guide rail 1, bilateral symmetry is good, the torsional deformation of effectively avoiding heat treatment to produce; The utility model for reach the four directions to etc. the characteristics of load, described ball 4 is 45 ° with the point of contact line and the horizontal line angle of guide rail groove 11 and slide block groove 21, certainly, point of contact line and horizontal line angle can also be designed to other angle value according to the requirement of client situation.
In order to satisfy different working conditions, can select following two kinds of groove forms for use: with reference to Fig. 6, when the guide rail side up and down the centre distance of two grooves greater than the slide block inner side surface up and down during the centre distance of two grooves, the intersection point of two point of contact lines drops in the guide rail 1, makes the error homogenizing increased functionality of guiding pairs; With reference to Fig. 7, up and down the centre distance of two grooves is less than the slide block inner side surface up and down during the centre distance of two grooves when the guide rail side, and the intersection point of two point of contact lines drops on outside the guide rail 1, makes the rigidity of torque resistant of guiding pairs improve.
With reference to Fig. 8, on reverser end cap 5, have oily 6 the screw 53 of chewing is installed, and the mounting hole 54 of construction bolt, more smooth and easy for ball 4 is moved in interior circuit loop, also be provided with the oil cavity 52 that runs through Hui Zhugou 51 on the reverser end cap 5, in addition, semicylinder 3 is installed in the reverser end cap 5, semicylinder 3 is provided with the oilhole 31 of release lubricant, and the design has realized that ball 4 is lubricated at no-load condition, improves lubricating ability.
With reference to Fig. 9, Figure 10, the utility model is in order to guarantee that oiling agent is not to external leakage, prevent that simultaneously outside dirt bits from entering in slide block 2 chambeies, the described reverser end cap 5 outer end covers 7 that also are installed with, end cover 7 is provided with bolt mounting holes 72, and installation oil is chewed 6 hole 73, in addition, also be provided with sealing oil sealing 71 on end cover 7 and guide rail 1 contact surface, simultaneously, described slide block 2 bottom surfaces are installed with the sealing egative film 8 that fits tightly with guide rail 1 side, thereby formed a complete Seal cage, have effectively guaranteed the cleaning of ball 4 circulation loops in the slide block 2 and lubricated.
Go back to pearl ditch 51 outsides in the reverser end cap 5 of the present utility model and be installed with load ball distance ring 9, the design makes back the curved surface in pearl ditch 51 vallecular cavities complete smooth, and prevent coming off of ball 4, because retainer 9 uses flexible Spring Steel Band to be made, thereby overcome sheet metal shape retainer because the noise that ball 4 collisions are sent makes that ball 4 operations are smooth and noise is little; In addition, described guide rail groove 11 is provided with a groove 12, thereby has prevented retainer 9 and guide rail groove 11 to be in contact with one another and the surface friction drag that brings.
With reference to Figure 11, the two ends, the left and right sides of described slide block groove 21 are provided with fillet surface 23, under the constraint of guide rail groove 11 and slide block groove 21, thereby when ball 4 enters fillet surface 23, progressively discharge load and enter Hui Zhugou 51 smoothly, thereby reach the ball channel 22 that enters slide block 2 with free state, described fillet surface is that the circular arc camber by several sections different radiis combines, every section circular arc camber radius is determined by the elastic deformation amount of ball 4 when bearing rated static load, the design has effectively reduced the impact of 4 pairs of reverser end caps 5 of load ball, thereby reduction noise, and ball 4 is not subjected to load to become free state in the reverse procedure, make that the motion of ball 4 cycle reverses is more smooth, the motion of slide block 2 is more steady, and kinematic accuracy improves.
Claims (10)
1. linear rolling guide device, comprise guide rail (1), be movably installed with slide block (2) on the guide rail (1), be provided with four ball channels (22) in the slide block (2), guide rail (1) both sides and slide block (2) internal surface respectively are provided with two grooves (11 up and down, 21), groove (11, ball (4) is installed 21), described slide block (2) two ends, the left and right sides are installed with reverser end cap (5), be provided with the Hui Zhugou (51) that is communicated with groove and ball channel (22) in the reverser end cap (5), it is characterized in that: described guide rail groove (11) and slide block groove (21) cross section are the semicircle arcuation of same radius, and the guide rail side centre distance of two grooves (11) up and down is greater than or less than the slide block inner side surface centre distance of two grooves (21) up and down.
2. a kind of linear rolling guide device according to claim 1 is characterized in that: described ball (4) is 45 ° with the point of contact line and the horizontal line angle of guide rail groove (11) and slide block groove (21).
3. a kind of linear rolling guide device according to claim 1 is characterized in that: the two ends, the left and right sides of described slide block groove (21) are provided with is convenient to the fillet surface (23) that ball (4) smoothly enters Hui Zhugou (51).
4. a kind of linear rolling guide device according to claim 1 is characterized in that: be installed with oil on the described reverser end cap (5) and chew (6).
5. a kind of linear rolling guide device according to claim 1 is characterized in that: be provided with the oil cavity (52) that runs through Hui Zhugou (51) in the described reverser end cap (5).
6. a kind of linear rolling guide device according to claim 1 is characterized in that: semicylinder (3) is installed in the described reverser end cap (5), and semicylinder (3) is provided with the oilhole (31) of release lubricant.
7. a kind of linear rolling guide device according to claim 1 is characterized in that: the outer end cover (7) that also is installed with of described reverser end cap (5), end cover (7) is provided with sealing oil sealing (71) with guide rail (1) contact surface.
8. a kind of linear rolling guide device according to claim 1 is characterized in that: described slide block (2) bottom surface is installed with the sealing egative film (8) that fits tightly with guide rail (1) side.
9. a kind of linear rolling guide device according to claim 1 is characterized in that: Hui Zhugou (51) outside in the described reverser end cap (5) is installed with the load ball distance ring (9) that uses flexible Spring Steel Band to make.
10. a kind of linear rolling guide device according to claim 1 is characterized in that: described guide rail groove (11) is provided with a groove (12) that prevents that retainer (9) and guide rail groove (11) are in contact with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056490 CN2781064Y (en) | 2005-03-29 | 2005-03-29 | Rolling linear guide pair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056490 CN2781064Y (en) | 2005-03-29 | 2005-03-29 | Rolling linear guide pair device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2781064Y true CN2781064Y (en) | 2006-05-17 |
Family
ID=36762266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520056490 Expired - Lifetime CN2781064Y (en) | 2005-03-29 | 2005-03-29 | Rolling linear guide pair device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2781064Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235847B (en) * | 2008-02-20 | 2010-04-21 | 宁波恒力汽配轴承有限公司 | Straight-line rolling slipper block and method of manufacture |
| CN101994757A (en) * | 2009-08-11 | 2011-03-30 | 刘敏臣 | Rolling antifriction device |
| CN102261898A (en) * | 2011-04-08 | 2011-11-30 | 广东高新凯特精密机械股份有限公司 | Comprehensive accuracy detector of rolling linear guide rail pair |
| CN103029002A (en) * | 2012-12-27 | 2013-04-10 | 威海华东重工有限公司 | Hydraulic rolling combined guide rail unloading device |
| CN104141719A (en) * | 2014-06-27 | 2014-11-12 | 北京工业大学 | Anti-torsion type three-dimensional cultural relic shock isolation device |
| CN104495611A (en) * | 2014-12-15 | 2015-04-08 | 无锡市新华起重工具有限公司 | Detachable star wheel structure of floating bearing beam |
| CN105644840A (en) * | 2016-03-20 | 2016-06-08 | 莫镇威 | Resistance fixed-distance guide method, resistance fixed-distance guide system and resistance fixed-distance guide device applied to automatic mechanical equipment |
| CN105673686A (en) * | 2016-03-17 | 2016-06-15 | 浙江非攻机械有限公司 | Linear movement guiding device |
| CN106195003A (en) * | 2016-08-08 | 2016-12-07 | 洛阳轴研科技股份有限公司 | A kind of arc-shaped guide rail bearing unit and use the rocking equipment of this bearing unit |
| CN110081079A (en) * | 2019-04-09 | 2019-08-02 | 浙江非攻机械有限公司 | Straight-line guide rail slide block and linear motion guidance device with it |
| CN110131311A (en) * | 2019-04-09 | 2019-08-16 | 浙江非攻机械有限公司 | Straight-line guide rail slide block and linear motion guidance device |
| CN111465774A (en) * | 2017-12-15 | 2020-07-28 | 雅固拉国际精密工业有限公司 | Telescopic guide rail |
-
2005
- 2005-03-29 CN CN 200520056490 patent/CN2781064Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235847B (en) * | 2008-02-20 | 2010-04-21 | 宁波恒力汽配轴承有限公司 | Straight-line rolling slipper block and method of manufacture |
| CN101994757A (en) * | 2009-08-11 | 2011-03-30 | 刘敏臣 | Rolling antifriction device |
| CN102261898A (en) * | 2011-04-08 | 2011-11-30 | 广东高新凯特精密机械股份有限公司 | Comprehensive accuracy detector of rolling linear guide rail pair |
| CN103029002A (en) * | 2012-12-27 | 2013-04-10 | 威海华东重工有限公司 | Hydraulic rolling combined guide rail unloading device |
| CN104141719A (en) * | 2014-06-27 | 2014-11-12 | 北京工业大学 | Anti-torsion type three-dimensional cultural relic shock isolation device |
| CN104495611A (en) * | 2014-12-15 | 2015-04-08 | 无锡市新华起重工具有限公司 | Detachable star wheel structure of floating bearing beam |
| CN105673686A (en) * | 2016-03-17 | 2016-06-15 | 浙江非攻机械有限公司 | Linear movement guiding device |
| CN105644840A (en) * | 2016-03-20 | 2016-06-08 | 莫镇威 | Resistance fixed-distance guide method, resistance fixed-distance guide system and resistance fixed-distance guide device applied to automatic mechanical equipment |
| CN106195003A (en) * | 2016-08-08 | 2016-12-07 | 洛阳轴研科技股份有限公司 | A kind of arc-shaped guide rail bearing unit and use the rocking equipment of this bearing unit |
| CN111465774A (en) * | 2017-12-15 | 2020-07-28 | 雅固拉国际精密工业有限公司 | Telescopic guide rail |
| CN111465774B (en) * | 2017-12-15 | 2022-01-11 | 雅固拉国际精密工业有限公司 | Telescopic guide rail |
| US11415172B2 (en) | 2017-12-15 | 2022-08-16 | Accuride International Gmbh | Telescopic rail |
| CN110081079A (en) * | 2019-04-09 | 2019-08-02 | 浙江非攻机械有限公司 | Straight-line guide rail slide block and linear motion guidance device with it |
| CN110131311A (en) * | 2019-04-09 | 2019-08-16 | 浙江非攻机械有限公司 | Straight-line guide rail slide block and linear motion guidance device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150329 Granted publication date: 20060517 |