KR101818933B1 - Linear guide having lubrication element - Google Patents
Linear guide having lubrication element Download PDFInfo
- Publication number
- KR101818933B1 KR101818933B1 KR1020150150554A KR20150150554A KR101818933B1 KR 101818933 B1 KR101818933 B1 KR 101818933B1 KR 1020150150554 A KR1020150150554 A KR 1020150150554A KR 20150150554 A KR20150150554 A KR 20150150554A KR 101818933 B1 KR101818933 B1 KR 101818933B1
- Authority
- KR
- South Korea
- Prior art keywords
- retainer
- groove
- block
- turn hole
- axial direction
- Prior art date
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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
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
-
- 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
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0604—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section
- F16C29/0607—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section of parts or members for retaining the rolling elements, i.e. members to prevent the rolling elements from falling out of the bearing body or carriage
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
- F16C33/6648—Retaining the liquid in or near the bearing in a porous or resinous body, e.g. a cage impregnated with the liquid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The linear guide provided with the lubrication member of the present invention includes a guide rail, a guide block movably provided along the guide rail, and a lubricating member including a plurality of rolling elements interposed between the guide rail and the guide block In the linear guide,
The guide block includes a block, a retainer provided on both sides in the axial direction of the block to form a circulation passage of the rolling member, and a first ball support member, which is coupled to both sides of the retainer provided on both sides of the block in the axial direction, A second ball support member, and a seal member;
And the axial end portion of the circulation passage of the retainer is formed of a foam body containing lubricating oil.
Description
The present invention relates to a linear guide provided with a lubricating member, and more particularly, to a linear guide provided with a lubricant-containing foam body in a U-groove of a retainer so that an oil film is formed on an entire rolling body passing through a U- To a linear guide provided with a smooth lubrication member.
Generally, the linear motion guide device comprises a guide rail, a slider, and a plurality of balls interposed between the guide rail and the slider. On the left and right side surfaces of the guide rail, rolling grooves for rolling balls are formed. The slider includes a main body having another transmission groove corresponding to the transmission groove, a pair of frames coupled to the main body, an end cap coupled to the front and rear of the frame, and an end seal coupled to the front and rear surfaces of the end cap. do.
Korean Patent Registration No. 10-0713151 (Apr. 24, 2007), which is filed in the prior art, discloses a linear guide device capable of securing the rigidity of a slider and reducing the number of parts. FIG. 1 is a perspective view showing a conventional linear guide device, and FIG. 2 is an exploded perspective view showing a conventional linear guide device.
1 and 2, the linear guide device includes a
On both left and right side surfaces of the
The
The
Since the lubricating oil is not constantly supplied to the conventional linear guide device, the linear guide device is not smoothly operated due to the friction due to the ball having no oil film formed by the rotation of the ball, and there is a problem that the lubricating oil must be supplied periodically .
In order to solve such a conventional problem, there is provided a linear guide provided with a lubrication member having a foam body containing lubricating oil in a U-groove of a retainer and uniformly forming an oil film on an entire rolling body passing through a U- do.
The linear guide provided with the lubrication member of the present invention includes a guide rail, a guide block movably provided along the guide rail, and a lubricating member including a plurality of rolling elements interposed between the guide rail and the guide block In the linear guide,
The guide block includes a block, a retainer provided on both sides in the axial direction of the block to form a circulation passage of the rolling member, and a first ball support member, which is coupled to both sides of the retainer provided on both sides of the block in the axial direction, A second ball support member, and a seal member;
And a part of the circulation passage of the retainer is provided with a foam body containing lubricating oil.
In the above, the retainer is composed of the first retainer member and the second retainer member;
The first retainer member is stacked on the block in the axial direction to form a first U-turn hole and a second U-turn hole which are axially penetrated;
The second retainer member is stacked on the first retainer member in the axial direction and comprises a plate member and two projecting members; The plate member being separated from the plate member by two concave insertion grooves; The protrusion member is inserted into the insertion groove, and a U-turn groove is formed in the protrusion member to cover the first U-turn hole and the second U-turn hole to form a circulation passage. .
The linear guide provided with the lubrication member according to the present invention is provided with a foam body containing lubricant in the retainer, so that lubricating oil is uniformly supplied to the rolling body to form a new oil film at all times, and the oil film is formed in the rolling body, There is a smooth effect.
1 is a perspective view showing a conventional linear guide device,
2 is an exploded perspective view showing a conventional linear guide device,
3 is a perspective view showing a linear guide provided with a lubrication member of the present invention,
4 is a bottom perspective view showing a linear guide provided with a lubrication member of the present invention,
5 is a bottom perspective view showing a state in which the cover is separated from the block of Fig. 4,
Fig. 6 is a perspective view showing a state in which the cover is detached from the block of Fig. 3,
7 is a perspective view showing a block of a linear guide provided with the lubrication member of the present invention and one retainer member,
8 and 9 are perspective views showing a second retainer member of the linear guide provided with the lubrication member of the present invention,
10 and 11 are perspective views showing a first retainer member of a linear guide provided with a lubrication member of the present invention.
Hereinafter, a linear guide having a lubrication member will be described in detail with reference to the accompanying drawings.
Fig. 3 is a perspective view showing a linear guide provided with a lubrication member of the present invention, Fig. 4 is a bottom perspective view showing a linear guide provided with a lubrication member of the present invention, Fig. FIG. 6 is a perspective view showing a state in which the cover is separated from the block of FIG. 3, FIG. 7 is a perspective view showing a block of the linear guide provided with the lubrication member of the present invention, FIGS. 8 and 9 are perspective views showing a second retainer member of a linear guide provided with a lubrication member of the present invention, and FIGS. 10 and 11 are perspective views of a first guide member of a linear guide provided with a lubrication member of the present invention Fig. 3 is a perspective view showing the retainer member. Fig.
In the following description, the direction in which the
3 to 11, the linear guide of the present invention includes a guide rail (not shown), a
The
A
The
The upper and lower unloading holes 113 and 1133, which are spaced apart from each other in the downward direction and extend downward from both sides of the
Two rows of load-winding
4, a second
The upper ends of the upper and
The rolling
A protruding block
The block inclined
And a block
And a
The
The
As shown in FIG. 10, the
And an upper second U-turn hole 1313-1 is formed through the upper first U-turn hole 1311-1 so as to be spaced inward in the width direction. And a lower second U-turn hole 1313-3 is formed through the lower first U-turn hole 1311-3 and spaced inward in the width direction. And a lower second U-turn hole 1313-3 is formed downward from the upper second U-turn hole 1313-1. The second U-turn holes 1313 are spaced apart from each other in the vertical direction. The upper second U turn hole 1313-1 is positioned to communicate with the
The upper second U-turn hole 1313-1 and the upper first U-turn hole 1311-1 are connected to each other by an upper connection groove portion 1316-1. The upper connection groove portion 1316-1 is recessed to be a passage through which the rolling
The lower second U turn hole 1313-3 and the lower first U turn hole 1311-3 are connected to the lower connection groove 1316-3. The lower connection groove portion 1316-3 is recessed to be a passage through which the rolling
A
An upper
A lower
11, on the inner surface of the
A second ball support
A first ball supporting
As shown in Figs. 8 and 9, the
A
The upper
The lower
As shown in Fig. 9, an insertion groove 133b1 is formed in the axial inner side surface of the
A
The projecting
The
The
The axially inner end of the lower protruding
The outer shape of the
The
The
The second
The first
The
Although the linear guide having the lubrication member according to the present invention has been described with reference to the embodiments shown in the drawings, it is merely an example, and various modifications and equivalent embodiments can be made by those skilled in the art I will understand. Accordingly, the scope of the true technical protection should be determined by the technical idea of the appended claims.
100: Linear guide
110: block 120: cover
131: first retainer member 133: second retainer member
150: cover seal 170: first ball supporting member
180: seal member 190: second ball supporting member
Claims (2)
The guide block 100 includes a block 110, a retainer 130, a cover seal 150, a cover 120, a support member 160, a first ball support member 170, A two-ball support member 190, and a seal member 180;
The block 110 has an inverted " U "shape in which both sides extend downward. The block 110 is vertically spaced apart from both sides of the downwardly extending portion. The block 110 includes an upper and a lower sub- A center hole 113 is formed in the axial direction so as to extend in the axial direction of the upper load winding groove 1151 and the lower load winding groove 1153 in the vertical direction on the facing inner side surface, The hole and the lower unloaded center hole are formed with an increased diameter portion axially inward from the axial end;
The retainer 130 includes a first retainer member 131 and a second retainer member 133 which are provided on both sides in the axial direction and the width direction of the block 110 and are stacked in the axial direction, Forming a passageway;
The cover seal 150 is in the "inverted U" shape and is in contact with the second retainer member 133 at the axially outer side of the second retainer member 133 and inserted with the second retainer protrusion 1331;
The cover 120 is provided on both sides in the axial direction of the block 110 so as to cover the retainer 130 and the cover seal 150 provided on both sides in the axial direction of the block 110;
The first retainer members 131 are laminated on the axial end portions of the block 110 and are spaced apart from each other in the up and down direction to form upper first U-turn holes 1311-1 and lower first U- A turn hole 1311-3 is formed in the axial direction, an upper second U-turn hole 1313-1 is formed in the axial direction so as to be spaced inward in the width direction from the upper first U-turn hole 1311-1, 1 U turn hole 1311-3 and the lower second U turn hole 1313-3 is formed in the axial direction so that the upper second U turn hole 1313-1 and the upper first U turn hole The lower first U turn hole 1313-3 and the lower first U turn hole 1311-3 are connected to the lower connection groove portion 1316-3 by a concave upper connection groove portion 1316-1, And an axial inner side surface thereof extends axially inwardly at the edges of the upper first U-turn hole 1311-1 and the lower first U-turn hole 1311-3 to increase the diameters of the upper and lower unloading holes. And an upper first retainer groove 1319 is formed to extend in the axial direction and a lower first retainer groove 1317 is formed at a lower portion of the lower first retainer groove 1319 A second ball supporting member insertion groove 1312 is recessed inwardly inwardly in the width direction, and a first ball supporting member insertion groove 1318 is formed in a lower portion inward in the width direction, ≪ / RTI >
The second retainer member 133 is composed of a plate member 133b and two projecting members 133a in the form of a plate; A second retainer projection 1331 is provided on the axial outer side surface of the plate member 133b and is inserted into the cover seal 150 in a manner of being bent at least once in an axially outwardly projecting manner, A third seal portion insertion groove 1332 extending in the axial direction and being bent at least once is formed in the widthwise direction of the first seal portion 1331, And a lower second retainer groove 1337 connected to the third seal portion inserting groove 1332. The lower second retainer groove 1333 is formed in the inner lower portion in the width direction, And an axial elliptic insertion groove 133b1 spaced apart in the vertical direction is formed on the inner side surface in the axial direction; The two protruding members 133a are formed of a foam body containing lubricant and are respectively inserted into the insertion grooves 133b1. An upper U-shaped groove 1335-1 And the lower U-shaped groove 1335-3 are concave and curved;
The upper protruding member 133a is inserted into the upper second U turn hole 1313-1, the upper connecting groove portion 1316-1 and the upper first U-turn hole 1311-1 so that the outer surface 1336 is connected to the inner surface 1312a And the upper U-turn groove 1335-1 covers the upper second U-turn hole 1313-1, the upper connecting groove portion 1316-1 and the upper first U-turn hole 1311-1, Thereby forming a passage through which the valve seat 101 moves;
The lower protruding member 133a is inserted into an edge of the lower second U turn hole 1313-3, the lower connecting recess 1316-3 and the lower first U-hole 1311-3, and the lower U- 3 cover the lower second U turn hole 1313-3, the lower connecting groove portion 1316-3, and the lower first U-hole 1311-3 to form a passage through which the rolling member 101 moves;
The support member 160 is formed in a hexahedron and is positioned at an upper portion of the retainer 130;
The first ball support member 170 has two rod-shaped portions. The first ball support member 170 is spaced apart in the widthwise direction from the lower surface of the inner side surface of the block 110 in the width direction. A first ball support member insertion groove 1318 formed at an inner lower portion of the direction;
The second ball supporting member 190 is formed in a plate shape and has both ends inserted into the second ball supporting member insertion groove 1312 and disposed between the width direction of the upper load winding groove 1151, Lt; / RTI >
The seal member 180 is formed in an opened rectangular shape and has a lower first retainer groove 1317, an upper first retainer groove 1319, a third seal portion insertion groove 1332, an upper second retainer groove 1339, The second ball retaining member 190 and the second ball retaining member 190 to prevent the first and second ball retaining members 170 and 173 from being separated from each other. .
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150150554A KR101818933B1 (en) | 2015-10-28 | 2015-10-28 | Linear guide having lubrication element |
KR1020170120127A KR102270338B1 (en) | 2015-10-28 | 2017-09-19 | Linear guide having lubrication element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150150554A KR101818933B1 (en) | 2015-10-28 | 2015-10-28 | Linear guide having lubrication element |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020170120127A Division KR102270338B1 (en) | 2015-10-28 | 2017-09-19 | Linear guide having lubrication element |
Publications (2)
Publication Number | Publication Date |
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KR20170049796A KR20170049796A (en) | 2017-05-11 |
KR101818933B1 true KR101818933B1 (en) | 2018-01-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020150150554A KR101818933B1 (en) | 2015-10-28 | 2015-10-28 | Linear guide having lubrication element |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113187814B (en) * | 2021-03-19 | 2023-07-21 | 丽水市杰祥科技有限公司 | Sliding block with smooth roller sliding and assembling method thereof |
CN113187824B (en) * | 2021-05-08 | 2023-05-16 | 丽水市杰祥科技有限公司 | Linear slider convenient to automatic ball |
CN113202867B (en) * | 2021-05-08 | 2023-04-14 | 丽水市杰祥科技有限公司 | Integrated retainer for linear module |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713041B1 (en) * | 2000-05-29 | 2007-05-02 | 티에치케이 가부시끼가이샤 | Linear m0ti0n guide device |
JP2010107043A (en) * | 2008-10-30 | 2010-05-13 | Schaeffler Kg | Linear motion rolling bearing |
-
2015
- 2015-10-28 KR KR1020150150554A patent/KR101818933B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100713041B1 (en) * | 2000-05-29 | 2007-05-02 | 티에치케이 가부시끼가이샤 | Linear m0ti0n guide device |
JP2010107043A (en) * | 2008-10-30 | 2010-05-13 | Schaeffler Kg | Linear motion rolling bearing |
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KR20170049796A (en) | 2017-05-11 |
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