CN102612607B - Linear-guide device - Google Patents
Linear-guide device Download PDFInfo
- Publication number
- CN102612607B CN102612607B CN201180002168.0A CN201180002168A CN102612607B CN 102612607 B CN102612607 B CN 102612607B CN 201180002168 A CN201180002168 A CN 201180002168A CN 102612607 B CN102612607 B CN 102612607B
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- CN
- China
- Prior art keywords
- rolling element
- oiling agent
- guide rail
- slide block
- absorbent material
- 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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Links
- 238000005461 lubrication Methods 0.000 claims abstract description 4
- 239000008041 oiling agent Substances 0.000 claims description 89
- 238000005096 rolling process Methods 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 54
- 230000002745 absorbent Effects 0.000 claims description 48
- 239000002250 absorbent Substances 0.000 claims description 48
- 238000005452 bending Methods 0.000 claims description 9
- 239000002657 fibrous material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 abstract description 15
- 239000011358 absorbing material Substances 0.000 abstract 1
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 235000003642 hunger Nutrition 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000037351 starvation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 felt Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
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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
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0635—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
- F16C29/065—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with rollers
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
-
- 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
-
- 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
- F16C29/08—Arrangements for covering or protecting the ways
- F16C29/084—Arrangements for covering or protecting the ways fixed to the carriage or bearing body movable along the guide rail or track
- F16C29/088—Seals extending in the longitudinal direction of the carriage or bearing body
-
- 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
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6611—Retaining the grease in or near the bearing in a porous or resinous body, e.g. a cage impregnated with the grease
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The purpose of the present invention is to provide a linear-guide device that is not prone to lubrication insufficiencies or leakage of lubricant from the interior of a slider to the exterior. In this linear-guide device, a lubricant-absorbing material (20) is disposed between a guide rail (1) and a slider (2), so if an excess of lubricant is supplied to the interior of the slider (2), lubricant seeping into a space between the top surface (1b) of the guide rail (1) and the inner surface (7a) of a plate-shaped part (7) of the slider (2) is absorbed. This makes it difficult for lubricant to accumulate in said space and for lubricant to leak from the interior of the slider (2) to the exterior.
Description
Technical field
The present invention relates to linear guide apparatus.
Background technique
Linear guide apparatus has: guide rail, and it has the rolling element plane of trajectory orbital extended vertically at outer surface; Slide block, it has the rolling element plane of trajectory orbital opposed with the rolling element plane of trajectory orbital of described guide rail, and this slide block is can be installed on guide rail in the mode of axial relative movement; And multiple rolling element, it can rollably be arranged in rolling element roll channel freely, described rolling element roll channel is formed between the rolling element plane of trajectory orbital of guide rail and the rolling element plane of trajectory orbital of slide block, slide block through rolling element rolling and move axially along guide rail.Further, the rolling element that the oiling agent such as lubricant oil, lubricating grease is fed in rolling element roll channel lubricates.
But such as when excessively supplying to give oiling agent, or when the axle of guide rail is to be arranged at the installation surfaces such as metope along the mode of vertical direction, the oiling agent supplied may leak into outside between guide rail and slide block.The outer surface leaking into outside oiling agent possibility follows track moves and splashes, and consequently, the environment that may produce being provided with linear guide apparatus produces the problem polluted.
Therefore, in order to solve the problem, propose oiling agent and can not leak into outside and the linear guide apparatus polluting described environment.Such as, linear guide apparatus described in patent documentation 1 and 2 is following structure: absorbing the oiling agent from leaking between guide rail and slide block with the oiling agent baffle of axial end portion or oiling agent absorbent portion that are installed on slide block, preventing the splashing of oiling agent thus.
Prior art document
Patent documentation
Patent documentation 1: Japanese Laid Open Patent 2001-295840A
Patent documentation 2: Japanese Laid Open Patent 2008-281061A
Summary of the invention
The problem that invention will solve
But, the linear guide apparatus that patent documentation 1 and 2 is recorded is the structure absorbed the oiling agent leaking into slide block outside, therefore, the outer surface of the oiling agent follows track leaked out move and arrive oiling agent baffle or oiling agent absorbent portion and by absorption before, oiling agent may splash.Particularly when oiling agent leaks in a large number, easily produce the splashing of oiling agent.In addition, because oiling agent is to the overfeeding of linear guide apparatus, the oiling agent accumulating in slide block inside may be produced and can invade the problem be arranged in the guide rails assembling hole of guide rail.
The present invention completes to solve such problem, its object is to provide a kind of linear guide apparatus, and it not easily produces oiling agent from slide block internal leakage to the situation of outside, and not easily produces lubricant starvation.
For solving the means of problem
In order to solve above problem, about the linear guide apparatus that one aspect of the present invention relates to, it possesses: guide rail, and it has the rolling element plane of trajectory orbital axially extended at outer surface; Slide block, it has the rolling element plane of trajectory orbital opposed with the rolling element plane of trajectory orbital of described guide rail, and this slide block is can be installed on described guide rail in the mode of axial relative movement; And multiple rolling element, it is configured in rolling element roll channel in the mode that can freely roll, described rolling element roll channel is formed between the rolling element plane of trajectory orbital of described guide rail and the rolling element plane of trajectory orbital of described slide block, between described guide rail and described slide block, be configured with oiling agent absorbent material, this oiling agent absorbent material can absorb the oiling agent of lubrication described rolling element, the rolling element plane of trajectory orbital of described guide rail and the rolling element plane of trajectory orbital of described slide block and keep.
In above-mentioned linear guide apparatus, preferably, the shape of the shape of described guide rail to be sectional shape be general square shape, described oiling agent absorbent material is configured between the upper surface of the described guide rail surface opposed with the same described guide rail upper surface of described slide block.
In addition, in above-mentioned linear guide apparatus, preferably, described slide block possesses: the slider body with described rolling element plane of trajectory orbital, and be installed on the end cap at axial two ends of described slider body respectively, and described slide block has rolling element return passage, this rolling element return passage is for making described rolling element from the terminal delivery cycle of described rolling element roll channel to starting point, described rolling element return passage is made up of the first return passage and the second bending return passage, described first return passage is made up of the through hole of the axial both ends of the surface of through described slider body, described second return passage is formed at the part opposed with described slider body of described end cap, and described rolling element roll channel is communicated with described first return passage, described oiling agent absorbent material remains between two end caps.
Invention effect
Linear guide apparatus of the present invention with lubricator can absorb the oiling agent being supplied to slide block inside by absorbent material, therefore not easily produces oiling agent leakage externally.Further, due to lubricator oiling agent can be kept by absorbent material, therefore not easily lubricant starvation is produced.
Accompanying drawing explanation
Fig. 1 is the stereogram of the structure of the mode of execution representing the linear guide apparatus that the present invention relates to.
Fig. 2 is the front view (wherein, the left side of central authorities shows cross section) from the linear guide apparatus end on observation Fig. 1.
Fig. 3 is the front view (wherein, omitting side seal part to illustrate) from the linear guide apparatus end on observation Fig. 1.
Fig. 4 is the stereogram (wherein, omitting slider body to illustrate) of the structure of the linear guide apparatus represented in Fig. 1.
Embodiment
The mode of execution of the linear guide apparatus that present invention will be described in detail with reference to the accompanying relates to.Fig. 1 is the stereogram of the structure of the mode of execution representing the linear guide apparatus that the present invention relates to, and Fig. 2 is the front view (wherein, the left side of the central axis of guide rail shows cross section) from the linear guide apparatus end on observation Fig. 1.In addition, in each figure after which, identical label is marked with for identical or suitable part.
The guide rail 1 being general square shape at the sectional shape extended vertically is assembled with the slide block 2 that sectional shape is roughly U-shaped, and this slide block 2 can move in the axial direction.In addition, these cross sections are carry out by plane orthogonal to the axial direction the cross section that cutting obtains.Sectional shape is that the guide rail 1 of general square shape has axial both ends of the surface and four faces extending vertically are used as outer surface.On the other hand, the alar part 6,6 of slide block 2 extends from two side direction equidirectionals of plate-like portion 7, and plate-like portion 7 and two alar parts 6,6 constitute right angle, and therefore, the sectional shape of slide block 2 is configured to roughly U-shaped.Further, the internal surface of slide block 2 is made up of inner side surface 6a, 6a of inner side surface 7a and two alar part 6,6 of plate-like portion 7, and the sectional shape of the internal surface of slide block 2 is the shape of the sectional shape of the outer surface along guide rail 1.
The face 1b be assembled in the inner side surface 7a of the plate-like portion 7 in the internal surface of the slide block 2 of guide rail 1 and described four faces of guide rail 1 is opposed, and inner side surface 6a, 6a two faces 1a, 1a respectively with adjacent with a described face 1b of two alar parts 6,6 are opposed.In the present invention, using the upper surface of the face 1b opposed with the inner side surface 7a of plate-like portion 7 as guide rail 1, using the side of the face 1a opposed with the inner side surface 6a of alar part 6 as guide rail 1, using the face parallel with upper surface 1b in described four faces of guide rail 1 as lower surface.Further, in the present invention, when observing linear guide apparatus from axial end portion side, by the both sides that are symmetry center using the central axis of guide rail 1 as left and right.Therefore, the installation surface no matter being provided with linear guide apparatus is towards the face in which direction, namely, it is no matter the such horizontal plane of ground, ceiling board, or vertical that metope is such, or plane of inclination, in the present invention, all with the upper surface that the face 1b opposed with the inner side surface 7a of plate-like portion 7 is guide rail 1.
At left and right sides 1a, the 1a of guide rail 1, roughly in Eight characters shape, ground is formed with two plane of inclination up and down extended vertically, adds up to four plane of inclination to constitute rolling element plane of trajectory orbital 10 respectively.In addition, guide rail 1 is provided with the upper surface 1b of through guide rail 1 and the guide rails assembling hole 22 of lower surface.
In addition, slide block 2 is made up of end cap 2B, the 2B at slider body 2A and the axial two end part that are detachably installed on slider body 2A.And, side seal part 5,5 is equipped with at the two end part (end face of each end cap 2B) of slide block 2, the opening in the gap of side seal part 5,5 pairs between guide rail 1 and slide block 2 seals, be equipped with underseal part (not shown) in the bottom of slide block 2, the opening of this underseal part to the gap between guide rail 1 and slide block 2 seals.And, at inner side surface 6a, 6a of two, the left and right of slider body 2A alar part 6,6, be formed with the rolling element plane of trajectory orbital 10 of guide rail 1,10,10, the rolling element plane of trajectory orbital 11,11,11,11 of 10 opposed inclined plane types.
And in the rolling element plane of trajectory orbital 10 of guide rail 1, between 10,10,10 and the rolling element plane of trajectory orbital 11,11,11,11 of slide block 2, being formed with sectional shape is substantially rectangular rolling element roll channel 13,13,13,13, and these rolling element roll channels 13 extend vertically.In addition, the number of the rolling element plane of trajectory orbital 10,11 that guide rail 1 and slide block 2 possess is not limited to side two row, such as, can be that side one arranges or side three arranges with first-class.
In this rolling element roll channel 13, freely rollably can be filled with the multiple cylinder rollers 3 as rolling element, slide block 2 through these cylinder rollers 3 rolling and move axially along guide rail 1.In addition, the kind of roller is not limited to cylinder roller, also can use the roller of other kinds.In addition, also pad can be clamped between each cylinder roller 3.Also spheroid can be used in addition to be used as rolling element.
In addition, slide block 2 has linear channel 14,14,14,14 in the upper and lower of the thick wall part of two, the left and right of slider body 2A alar part 6,6, and this linear channel 14,14,14,14 is that substantially rectangular through hole is formed by parallel with rolling element roll channel 13 and through in the axial direction cross section.
In addition, have pillar 15 at slide block 2, pillar 15 is the roughly plate-shaped members extended vertically.Guide surface 15a, 15a of an end face of guide cylinder roller 3 is axially formed at this pillar 15.
On the other hand, be integrally formed with the flange 19 axially extended at slider body 2A, this flange 19 protrudes from rolling element plane of trajectory orbital 11, and by the guide surface 19a of flange 19, the other end of cylinder roller 3 is axially guided.Thus, cylinder roller 3 is got involved between the guide surface 19a and the guide surface 15a of pillar 15 of flange 19, and cylinder roller 3 is axially guided by two guide surface 15a, 19a.
On the other hand, end cap 2B, 2B are such as made up of the injection molding member of resin material, and it is formed as sectional shape in roughly U-shaped.In addition, in the left and right sides at the back side (bearing surface abutted with slider body 2A) of end cap 2B, 2B, the sectional shape being formed with two sections is substantially rectangular Semicircular bending channel (not shown).When this end cap 2B, 2B are installed on slider body 2A, by bending channel, rolling element roll channel 13 and linear channel 14 are connected.Rolling element return passage cylinder roller 3 being transmitted back to starting point from the terminal of rolling element roll channel 13 is constituted by the bending channel at these linear channel 14 and two ends, by rolling element roll channel 13 and described rolling element return passage, define the rolling element circulation canal of roughly ring-type in the left and right sides across guide rail 1.In addition, linear channel 14 is equivalent to the first return passage as constitutive requirements of the present invention, and bending channel is equivalent to the second return passage as constitutive requirements of the present invention.
When the slide block 2 being assembled in guide rail 1 moves axially along guide rail 1, the cylinder roller 3 be seated in rolling element roll channel 13 rolls while move to the direction identical with slide block 2 relative to guide rail 1 in rolling element roll channel 13.Further, cylinder roller 3, when arriving the terminal of rolling element roll channel 13, is transported to bending channel from rolling element roll channel 13 by lifting.Be imported into linear channel 14 after the cylinder roller 3 entering bending channel carries out u turn, and arrive the bending channel of opposition side by linear channel 14.Again carry out the starting point that u turn returns rolling element roll channel 13 here, infinitely repeatedly carry out the circulation in such rolling element circulation canal.
In rolling element roll channel 13 in the linear guide apparatus of present embodiment, such as, be configured with lubricating grease or wet goods oiling agent, rolling element plane of trajectory orbital 10,11 and rolling element 3 remain on the state across lubricant contact.This oiling agent is added via the lubricating grease nozzle etc. that end cap 2B has according to behaviour in service of linear guide apparatus etc. and is supplied in rolling element roll channel 13.
The linear guide apparatus of such present embodiment has the oiling agent absorbent material 20 that can absorb and keep oiling agent.For this oiling agent absorbent material 20, be described with reference to Fig. 2 to Fig. 4.Fig. 3 (wherein, omits side seal part 5 to illustrate from the front view of the linear guide apparatus end on observation Fig. 1.), Fig. 4 is the stereogram (wherein, omitting slider body 2A to illustrate) of the structure of the linear guide apparatus represented in Fig. 1.
Oiling agent absorbent material 20 is with absorbing and keep the material of oiling agent to be formed, oiling agent absorbent material 20 is maintained at end cap 2B, the 2B at the two end part being installed on slider body 2A, and oiling agent absorbent material 20 is configured between the upper surface 1b of guide rail 1 internal surface opposed with the upper surface 1b of the same guide rail 1 of slide block 2 (the inner side surface 7a of plate-like portion 7).Specifically, in the part opposed with the upper surface 1b of guide rail 1 of two end caps 2B, 2B, oiling agent absorbent material mounting hole 21 is set, and by making the axial two end part of oiling agent absorbent material 20 be embedded in oiling agent absorbent material mounting hole 21, keep oiling agent absorbent material 20.
Oiling agent absorbent material 20 is configured between the upper surface 1b of guide rail 1 and the internal surface (the inner side surface 7a of plate-like portion 7) of slide block 2, also can be held in two end caps 2B, 2B.In addition, the method making oiling agent absorbent material 20 be held in two end caps 2B, 2B is not limited to said method.
And, as long as the material of oiling agent absorbent material 20 can absorb and keep oiling agent to be not particularly limited.As the material of oiling agent absorbent material 20, such as, enumerate porous material or the fibrous materials such as felt, paper etc. such as sintering resin.Also these materials can be combined to form oiling agent absorbent material 20.In addition, the material of oiling agent absorbent material 20 does not preferably absorb the material of any oiling agent.
In addition, the shape of oiling agent absorbent material 20 preferably can be received into the upper surface 1b of guide rail 1 and the plate-like portion 7 of slide block 2 inner side surface 7a between space in shape.And the shape do not contacted with guide rail 1 when oiling agent absorbent material 20 is preferably in the space between the inner side surface 7a of the plate-like portion 7 of the upper surface 1b with slide block 2 that are accommodated in guide rail 1, hinders slide block 2 in the relative movement of axis to avoid oiling agent absorbent material 20.
According to the linear guide apparatus of such present embodiment, by lubricant configuration absorbent material 20 between guide rail 1 and slide block 2, when to slide block 2 inner overfeeding when oiling agent, the oiling agent in the space between the inner side surface 7a invading the upper surface 1b of guide rail 1 and the plate-like portion 7 of slide block 2 wherein absorbed.Therefore, oiling agent not easily accumulates within this space, and therefore oiling agent is not easily from slide block 2 internal leakage to outside.In addition, oiling agent absorbent material 20 absorbs the situation that oiling agent is not limited to overfeeding oiling agent, when space between the inner side surface 7a that oiling agent has invaded the upper surface 1b of guide rail 1 and the plate-like portion 7 of slide block 2, oiling agent also lubricated dose of absorbent material 20 absorbs.
In addition, linear guide apparatus according to the present embodiment, lubricated dose of absorbent material 20 absorbs and the oiling agent that keeps is used in the lubrication of rolling element plane of trajectory orbital 10,11 and cylinder roller 3, therefore not easily produces lubricant starvation.
In addition, linear guide apparatus according to the present embodiment, owing to being configured with oiling agent absorbent material 20 in the space between the upper surface 1b of guide rail 1 and the inner side surface 7a of the plate-like portion 7 of slide block 2, therefore, it is possible to reduce the spatial volume between the upper surface 1b of the guide rail 1 and inner side surface 7a of the plate-like portion 7 of slide block 2.Consequently, in the past unnecessary oiling agent accumulate, in space between the upper surface 1b of guide rail 1 and the inner side surface 7a of the plate-like portion 7 of slide block 2, not easily trapped lubricant, therefore, it is possible to reduce the oiling agent itself having and leak possibility.
In addition, due in the space between the inner side surface 7a that oiling agent not easily accumulates in the upper surface 1b of guide rail 1 and the plate-like portion 7 of slide block 2, therefore, oiling agent not easily invades guide rails assembling hole 22.Consequently, the lubricant oil that can reduce this intrusion overflows and leaks into the possibility of the outside of slide block 2.
In addition, when not possessing pillar 15 by not using the method for pillar 15 to carry out the linear guide apparatus of the type of guide cylinder roller 3, owing to being equipped with the part Existential Space of pillar 15, therefore, also oiling agent absorbent material 20 can be replaced to be configured in situation between the inner side surface 7a of the upper surface 1b of guide rail 1 and the plate-like portion 7 of slide block 2, and in above-mentioned space lubricant configuration absorbent material 20.Like this, by being configured in the oiling agent absorbent material 20 in this space, can absorbing and keep the oiling agent of overfeeding and prevent lubricant leakage to outside.
In addition, oiling agent absorbent material 20 also can be configured between the inner side surface 7a of the upper surface 1b of guide rail 1 and the plate-like portion 7 of slide block 2, and is configured in the space at pillar 15 place.Thereby, it is possible to more reliably absorb and keep the oiling agent of overfeeding, can the oiling agent of Leakage prevention more effectively.
Label declaration
1: guide rail
1b: upper surface
2: slide block
2A: slider body
2B: end cap
3: cylinder roller
7a: inner side surface
10: rolling element plane of trajectory orbital
11: rolling element plane of trajectory orbital
13: rolling element roll channel
14: linear channel
20: oiling agent absorbent material
21: oiling agent absorbent material mounting hole
Claims (5)
1. a linear guide apparatus, it possesses: guide rail, and it has the rolling element plane of trajectory orbital axially extended at outer surface; Slide block, it has the rolling element plane of trajectory orbital opposed with the rolling element plane of trajectory orbital of described guide rail, and this slide block is can be installed on described guide rail in the mode of axial relative movement; And multiple rolling element, it is configured in rolling element roll channel in the mode that can freely roll, and described rolling element roll channel is formed between the rolling element plane of trajectory orbital of described guide rail and the rolling element plane of trajectory orbital of described slide block,
Described slide block is made up of the end cap at the slider body with described rolling element plane of trajectory orbital and the axial two end part that are installed on described slider body respectively,
The oiling agent absorbent material not absorbing oiling agent is configured with between described guide rail and described slide block, this oiling agent absorbent material by can to lubrication described rolling element, the material that the oiling agent of the rolling element plane of trajectory orbital of described guide rail and the rolling element plane of trajectory orbital of described slide block carries out absorbing and keeping is formed, in the part opposed with the upper surface of guide rail of described end cap, oiling agent absorbent material mounting hole is set, and make the axial two end part of described oiling agent absorbent material be embedded in described oiling agent absorbent material mounting hole, described oiling agent absorbent material is kept thus by the described end cap at the axial two end part being arranged on described slider body respectively,
When inner excessively for when giving described oiling agent to described slide block, described oiling agent absorbent material absorbs the described oiling agent in the space between the inner side surface invading the upper surface of described guide rail and the plate-like portion of described slide block.
2. linear guide apparatus according to claim 1, wherein,
The shape of the shape of described guide rail to be sectional shape be general square shape,
Described oiling agent absorbent material is configured between the described upper surface of the described guide rail surface opposed with the same described guide rail upper surface of described slide block.
3. linear guide apparatus according to claim 1 and 2, wherein,
Described slide block has rolling element return passage, and this rolling element return passage makes described rolling element from the terminal delivery cycle of described rolling element roll channel to starting point,
Described rolling element return passage is made up of the first return passage and the second bending return passage, described first return passage is made up of the through hole of the axial both ends of the surface of through described slider body, described second return passage is formed at the part opposed with described slider body of described end cap, and described rolling element roll channel is communicated with described first return passage
Described oiling agent absorbent material remains between two end caps.
4. linear guide apparatus according to claim 3, wherein,
The shape of described oiling agent absorbent material be can be received into the upper surface of described guide rail and the plate-like portion of described slide block described inner side surface between space in shape.
5. linear guide apparatus according to claim 3, wherein,
Described oiling agent absorbent material is porous material or fibrous material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010252221 | 2010-11-10 | ||
| JP2010-252221 | 2010-11-10 | ||
| PCT/JP2011/005846 WO2012063411A1 (en) | 2010-11-10 | 2011-10-19 | Linear-guide device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102612607A CN102612607A (en) | 2012-07-25 |
| CN102612607B true CN102612607B (en) | 2015-07-22 |
Family
ID=46050583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180002168.0A Active CN102612607B (en) | 2010-11-10 | 2011-10-19 | Linear-guide device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5928337B2 (en) |
| KR (1) | KR101491395B1 (en) |
| CN (1) | CN102612607B (en) |
| WO (1) | WO2012063411A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5721769B2 (en) * | 2013-05-01 | 2015-05-20 | Thk株式会社 | Rolling guide device |
| JP6863550B2 (en) * | 2016-05-16 | 2021-04-21 | ニッタ株式会社 | Sliding scraper mounting structure and linear guide device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0539600A1 (en) * | 1991-05-16 | 1993-05-05 | Thk Co. Ltd. | Sealing devices for rectilinearly moving mechanism and method of manufacturing same |
| US5494354A (en) * | 1993-06-07 | 1996-02-27 | Nsk Ltd. | Seal device for a linear guide |
| CN101080580A (en) * | 2004-12-17 | 2007-11-28 | Thk株式会社 | Movement guiding device and method of lubricating the same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0619854Y2 (en) * | 1988-04-18 | 1994-05-25 | 日本精工株式会社 | Solid lubrication linear guide bearing |
| JP2543304Y2 (en) * | 1990-05-18 | 1997-08-06 | 日本精工株式会社 | Oil leakage prevention structure of linear guide device |
| JPH06307442A (en) * | 1993-04-21 | 1994-11-01 | Aiseru Kk | Device for supplying oil into direct driving mechanism part |
| JPH0723824U (en) * | 1993-10-07 | 1995-05-02 | 日本精工株式会社 | Linear guide device with lubricant reservoir |
| JPH09303393A (en) * | 1996-05-16 | 1997-11-25 | Nippon Seiko Kk | Guide rail for linear guide device |
| JP4070265B2 (en) * | 1997-07-01 | 2008-04-02 | Ｔｈｋ株式会社 | Linear guide device |
| JP2005337452A (en) * | 2004-05-28 | 2005-12-08 | Nsk Ltd | Linear guide bearing unit |
| JP2008274122A (en) * | 2007-04-27 | 2008-11-13 | Nsk Ltd | Lubricant feeder and direct acting device having the same |
-
2011
- 2011-10-19 CN CN201180002168.0A patent/CN102612607B/en active Active
- 2011-10-19 KR KR1020137009462A patent/KR101491395B1/en active IP Right Grant
- 2011-10-19 WO PCT/JP2011/005846 patent/WO2012063411A1/en active Application Filing
- 2011-10-19 JP JP2012542793A patent/JP5928337B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0539600A1 (en) * | 1991-05-16 | 1993-05-05 | Thk Co. Ltd. | Sealing devices for rectilinearly moving mechanism and method of manufacturing same |
| US5494354A (en) * | 1993-06-07 | 1996-02-27 | Nsk Ltd. | Seal device for a linear guide |
| CN101080580A (en) * | 2004-12-17 | 2007-11-28 | Thk株式会社 | Movement guiding device and method of lubricating the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101491395B1 (en) | 2015-02-06 |
| JP5928337B2 (en) | 2016-06-01 |
| JPWO2012063411A1 (en) | 2014-05-12 |
| KR20130081291A (en) | 2013-07-16 |
| WO2012063411A1 (en) | 2012-05-18 |
| CN102612607A (en) | 2012-07-25 |
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