CN209838952U - Narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail - Google Patents
Narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail Download PDFInfo
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- CN209838952U CN209838952U CN201920422663.0U CN201920422663U CN209838952U CN 209838952 U CN209838952 U CN 209838952U CN 201920422663 U CN201920422663 U CN 201920422663U CN 209838952 U CN209838952 U CN 209838952U
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Abstract
The utility model discloses a narrow width adds high walking depth of parallelism pearl, post mixed linear guide, including guide rail (1) and complex slider (2) with it, guide rail (1) top surface is the main motion face that bears motion heavy load object normal pressure, has one row of big roller (3) to be located guide rail (1) top surface, and guide rail (1) both sides are the spigot surface of bearing capacity, has two rows of ball (4) each to be located one side, retrains the deviation tendency of moving object left and right sides and radial rotation, slider (2) and guide rail (1) walking depth of parallelism are 0.001 ~ 0.02mm, the length dimension of slider (2) is 65 ~ 480mm, and the width dimension of slider (2) is 30 ~ 245mm, both ends are equipped with two returners (5) about slider (2). The utility model discloses a walking depth of parallelism control between slider and the guide rail reference surface makes the clearance of slider and guide rail less to make linear guide's vibration weaken, reduce the friction damping between guide rail and slider, improve linear guide's motion precision.
Description
Technical Field
The utility model relates to a straight line guiding device technical field especially relates to a narrow range extension high walking depth of parallelism pearl, post mix linear guide.
Background
The linear guide rail is characterized in that a rolling body is arranged between the sliding block and the guide rail, so that sliding friction between the sliding block and the guide rail is changed into rolling friction, and the movement friction resistance between the sliding block and the guide rail is greatly reduced. The linear guide rail mainly comprises a guide rail, a sliding block, a rolling body, a return device and the like. When the guide rail and the slide block move relatively, the rolling bodies roll along the roller paths on the guide rail, and the rolling bodies enter the roller paths again through the return devices at the end parts of the slide block, so that the linear guide rail repeatedly rolls.
As a transmission functional component, the linear guide rail has gradually replaced the leading position of the sliding guide rail by virtue of the characteristics of small motion friction force, high motion precision, low maintenance cost and the like, is widely applied to various electromechanical products, and is particularly used in equipment with higher requirements on speed, precision, reliability and the like, so that the linear guide rail becomes an irreplaceable key component. For example, the linear guide rail is widely applied to precise numerical control machine tools, high-precision positioning medical instruments, high-measurement-accuracy detection instruments and the like.
Along with the wide application of linear guide in high-precision equipment, the existing single ball type and roller type linear guide fixes the guide on a reference base plane of the high-precision equipment, when a sliding block bears high load and moves linearly along the guide, the walking parallelism error between the sliding block and the reference surface of the guide is large, the gap between the sliding block and the guide is gradually increased, the contact area between the sliding block and the guide is gradually reduced, so that the gaps between a rolling body and the guide as well as between the sliding block and the guide are gradually increased, the linear guide is easy to vibrate, the friction damping between the guide and the sliding block is increased, and the motion precision of the linear guide is reduced.
In order to solve the above problems, a narrow and long high-walking-parallelism bead-column mixed linear guide rail needs to be designed, which is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome current single ball type and roller type linear guide of current, fix the guide rail on high-precision equipment reference seat plane, the slider is when bearing high load and making linear motion along the guide rail, walking depth of parallelism error between slider and the guide rail reference surface is great, the clearance crescent of slider and guide rail, slider and guide rail area of contact diminish gradually, cause the clearance crescent of rolling element and guide rail and slider, thereby make linear guide appear the vibration easily, increase the friction damping between guide rail and slider, reduce this technical problem of linear guide's motion precision, the high walking depth of parallelism pearl of narrow width with lengthening is provided, the mixed linear guide of post solves above-mentioned technical problem.
The technical scheme of the utility model a narrow width adds high walking depth of parallelism pearl, the mixed linear guide of post is provided, include: the guide rail device comprises a guide rail 1 and a slide block 2 matched with the guide rail 1, wherein the top surface of the guide rail 1 is a main motion surface for bearing the positive pressure of a moving heavy-load object, a row of large rollers 3 is arranged on the top surface of the guide rail 1, two sides of the guide rail 1 are guide surfaces for bearing the bearing capacity, two rows of balls 4 are respectively arranged on one side, the deviation tendency of left and right rotation and radial rotation of the moving object is restrained, the walking parallelism of the slide block 2 and the guide rail 1 is 0.001-0.02 mm, the length size of the slide block 2 is 65-480 mm, the width size of the slide block 2 is 30-245 mm, and two return devices 5 are.
Further, the flatness of the sliding block 2 is 0-0.015 mm.
Furthermore, six threaded mounting holes 6 are formed in the upper portion of the sliding block 2, and the threaded mounting holes 6 are evenly distributed along the sliding direction of the sliding block 2.
Further, the flatness of the guide rail 1 is 0-0.015 mm.
Further the surface hardness of the guide rail 1 is HRC 60-65.
Further the surface hardness of the slider 2 is HRC 60-65.
Further the height dimension of the guide rail 1 is 18-165 mm.
Compared with the prior art, the beneficial effects of the utility model include: by designing the traveling parallelism of the sliding block and the guide rail to be 0.001-0.02 mm and by designing the lengthened sliding block to be 65-480 mm, when the sliding block bears high load and moves linearly along the guide rail, the traveling parallelism error between the sliding block and the guide rail reference surface is kept to be 0.001-0.02 mm, the gap between the sliding block and the guide rail is small, the contact area between the sliding block and the guide rail is large, and the gaps between the rolling body and the guide rail as well as between the sliding block and the guide rail are kept stable, so that the vibration of the linear guide rail is weakened, the friction damping between the guide rail and the sliding block is reduced, and the motion precision of the linear guide rail.
The utility model discloses a keep two of traditional four rows of ball type linear guide and be listed as the ball, merge two of traditional four rows of roller type linear guide slider open end and arrange guide rail top slider inslot for a big roller in, make the linear guide bearing capacity strengthen greatly, reduce the side direction component of big roller, through slider left and right sides ball design, reduce the side direction component of slider opening, improve the motion cooperation between slider and guide rail, linear guide's bearing capacity has been improved, greatly reduced linear guide's frictional resistance, make linear guide's noise of motion very improve, thereby linear guide's bearing capacity and motion precision have been improved.
The utility model discloses a top of slider is equipped with six screw thread mounting holes, and screw thread mounting hole is along slider slip direction evenly distributed, makes the slider and bear more firmly between the object, has reduced the slider and has born the clearance between the object, has reduced the slider and has born the vibration noise between the object, can guarantee to bear the accuracy of thing slip orbit when the guide rail motion, makes linear guide's precision can satisfy accurate numerical control equipment's high accuracy requirement.
The utility model discloses a guide rail and slider surface hardness design between HRC60-65, when linear guide is reciprocating linear motion in the given direction, because of the promotion of material hardness, make linear guide's load-carrying capacity have more obvious promotion, make linear guide's wearing and tearing greatly reduced simultaneously, full play linear guide's performance has further improved linear guide's life.
The utility model discloses a flatness of guide rail and slider is 0 ~ 0.015mm design, shortens linear guide mounting gap, through reducing of mounting gap, reduces linear guide's vibration, makes linear guide have better bearing characteristic, can bear not equidirectional power and moment load, further promotes linear guide's suitability, has also promoted linear guide's walking depth of parallelism simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is understood that the following drawings only show some embodiments of the invention and are therefore not to be considered limiting of its scope, for a person skilled in the art to derive from them other relevant drawings without inventive effort, which are within the scope of the invention.
FIG. 1 is a schematic view of a narrow, long and high-travel parallel bead-column hybrid linear guide rail structure;
FIG. 2 is a cross-sectional view of a narrow, lengthened and high-walking parallel bead-column hybrid linear guide rail;
in the drawings: 1. a guide rail; 2. a slider; 3. a large roller; 4. a ball bearing; 5. a returner; 6. and (4) a threaded mounting hole.
Detailed Description
In view of the deficiencies in the prior art, the technical solution of the present invention can be provided through long-term research and a large amount of practice. The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.
FIG. 1 is a schematic view of a narrow, long and high-travel parallel bead-column hybrid linear guide rail structure; FIG. 2 is a sectional view of a narrow, lengthened and high-walking parallel bead-column mixed linear guide rail. As shown in fig. 1 and fig. 2, the embodiment of the present invention provides a narrow and long high walking parallelism bead-column mixed linear guide rail, which comprises: the guide rail device comprises a guide rail 1 and a slide block 2 matched with the guide rail 1, wherein the top surface of the guide rail 1 is a main motion surface for bearing the positive pressure of a moving heavy-load object, a row of large rollers 3 is arranged on the top surface of the guide rail 1, two sides of the guide rail 1 are guide surfaces for bearing the bearing capacity, two rows of balls 4 are respectively arranged on one side, the deviation tendency of left and right rotation and radial rotation of the moving object is restrained, the walking parallelism of the slide block 2 and the guide rail 1 is 0.001-0.02 mm, the length size of the slide block 2 is 65-480 mm, the width size of the slide block 2 is 30-245 mm, and two return devices 5 are.
The embodiment of the utility model provides a narrow width adds high walking depth of parallelism pearl, the mixed linear guide of post that prolongs, slider 2's plane degree is 0 ~ 0.015 mm.
The embodiment of the utility model provides a pair of narrow width adds height walking depth of parallelism pearl, the mixed linear guide of post that prolongs, slider 2's top is equipped with six screw thread mounting holes 6, and screw thread mounting hole 6 is along 2 slip direction evenly distributed of slider.
The embodiment of the utility model provides a narrow width adds high walking depth of parallelism pearl, the mixed linear guide of post that prolongs, guide rail 1's plane degree is 0 ~ 0.015 mm.
The embodiment of the utility model provides a narrow width increases high walking depth of parallelism pearl, post mixed linear guide, guide rail 1 surface hardness is between HRC 60-65.
The embodiment of the utility model provides a narrow width increases high walking depth of parallelism pearl, the mixed linear guide of post that prolongs, 2 surface hardness of slider are between HRC 60-65.
The embodiment of the utility model provides a pair of narrow width adds height walking depth of parallelism pearl, the mixed linear guide of post that prolongs, guide rail 1's height dimension is 18 ~ 165 mm.
Compared with the prior art, the beneficial effects of the utility model include: by designing the traveling parallelism of the sliding block and the guide rail to be 0.001-0.02 mm and by designing the lengthened sliding block to be 65-480 mm, when the sliding block bears high load and moves linearly along the guide rail, the traveling parallelism error between the sliding block and the guide rail reference surface is kept to be 0.001-0.02 mm, the gap between the sliding block and the guide rail is small, the contact area between the sliding block and the guide rail is large, and the gaps between the rolling body and the guide rail as well as between the sliding block and the guide rail are kept stable, so that the vibration of the linear guide rail is weakened, the friction damping between the guide rail and the sliding block is reduced, and the motion precision of the linear guide rail.
The utility model discloses a keep two of traditional four rows of ball type linear guide and be listed as the ball, merge two of traditional four rows of roller type linear guide slider open end and arrange guide rail top slider inslot for a big roller in, make the linear guide bearing capacity strengthen greatly, reduce the side direction component of big roller, through slider left and right sides ball design, reduce the side direction component of slider opening, improve the motion cooperation between slider and guide rail, linear guide's bearing capacity has been improved, greatly reduced linear guide's frictional resistance, make linear guide's noise of motion very improve, thereby linear guide's bearing capacity and motion precision have been improved.
The utility model discloses a top of slider is equipped with six screw thread mounting holes, and screw thread mounting hole is along slider slip direction evenly distributed, makes the slider and bear more firmly between the object, has reduced the slider and has born the clearance between the object, has reduced the slider and has born the vibration noise between the object, can guarantee to bear the accuracy of thing slip orbit when the guide rail motion, makes linear guide's precision can satisfy accurate numerical control equipment's high accuracy requirement.
The utility model discloses a guide rail and slider surface hardness design between HRC60-65, when linear guide is reciprocating linear motion in the given direction, because of the promotion of material hardness, make linear guide's load-carrying capacity have more obvious promotion, make linear guide's wearing and tearing greatly reduced simultaneously, full play linear guide's performance has further improved linear guide's life.
The utility model discloses a flatness of guide rail and slider is 0 ~ 0.015mm design, shortens linear guide mounting gap, through reducing of mounting gap, reduces linear guide's vibration, makes linear guide have better bearing characteristic, can bear not equidirectional power and moment load, further promotes linear guide's suitability, has also promoted linear guide's walking depth of parallelism simultaneously.
The utility model provides a pair of narrow width adds height walking depth of parallelism pearl, the mixed linear guide of post, should understand, above-mentioned embodiment is only for the explanation the utility model discloses a technical conception and characteristics, its aim at let the personage of familiar with this technique can understand the utility model discloses a content and according to with the implementation, can not restrict with this the utility model discloses a protection scope. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides a narrow width increases high walking depth of parallelism pearl, post mixed linear guide which characterized in that includes: the guide rail (1) and the slider (2) matched with the guide rail, wherein the top surface of the guide rail (1) is a main motion surface for bearing the positive pressure of a moving heavy-load object, one row of large rollers (3) is arranged on the top surface of the guide rail (1), two sides of the guide rail (1) are guide surfaces of bearing capacity, two rows of balls (4) are respectively arranged on one side, and deviation tendency of left and right rotation and radial rotation of a moving object is restrained, the walking parallelism of the slider (2) and the guide rail (1) is 0.001-0.02 mm, the length size of the slider (2) is 65-480 mm, the width size of the slider (2) is 30-245 mm, and two returners (5) are arranged at the left end and the right end.
2. The narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail of claim 1, which is characterized in that: the flatness of the sliding block (2) is 0-0.015 mm.
3. The narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail of claim 1, which is characterized in that: six thread mounting holes (6) are formed in the upper portion of the sliding block (2), and the thread mounting holes (6) are evenly distributed along the sliding direction of the sliding block (2).
4. The narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail of claim 1, which is characterized in that: the flatness of the guide rail (1) is 0-0.015 mm.
5. The narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail of claim 1, which is characterized in that: the surface hardness of the guide rail (1) is HRC 60-65.
6. The narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail of claim 1, which is characterized in that: the surface hardness of the slide block (2) is HRC 60-65.
7. The narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail of claim 1, which is characterized in that: the height dimension of the guide rail (1) is 18-165 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422663.0U CN209838952U (en) | 2019-04-07 | 2019-04-07 | Narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422663.0U CN209838952U (en) | 2019-04-07 | 2019-04-07 | Narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail |
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| CN209838952U true CN209838952U (en) | 2019-12-24 |
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| CN201920422663.0U Active CN209838952U (en) | 2019-04-07 | 2019-04-07 | Narrow-width lengthened high-walking parallelism bead-column mixed linear guide rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2019
- 2019-04-07 CN CN201920422663.0U patent/CN209838952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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