CN102612607A - Linear-guide device - Google Patents
Linear-guide device Download PDFInfo
- Publication number
- CN102612607A CN102612607A CN2011800021680A CN201180002168A CN102612607A CN 102612607 A CN102612607 A CN 102612607A CN 2011800021680 A CN2011800021680 A CN 2011800021680A CN 201180002168 A CN201180002168 A CN 201180002168A CN 102612607 A CN102612607 A CN 102612607A
- Authority
- CN
- China
- Prior art keywords
- rolling element
- guide rail
- slide block
- oiling agent
- trajectory orbital
- 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.)
- Granted
Links
- 239000008041 oiling agent Substances 0.000 claims description 82
- 238000005096 rolling process Methods 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 46
- 230000002745 absorbent Effects 0.000 claims description 39
- 239000002250 absorbent Substances 0.000 claims description 39
- 239000000314 lubricant Substances 0.000 abstract description 12
- 239000011358 absorbing material Substances 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 abstract 1
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 description 7
- 238000005452 bending Methods 0.000 description 7
- 230000009102 absorption Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 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
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Images
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
- 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
- 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
- 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 of extending vertically at outer surface; Slide block, it has and the opposed rolling element plane of trajectory orbital of the rolling element plane of trajectory orbital of said guide rail, and this slide block is being installed on guide rail in the mode that axially relatively moves; And a plurality of rolling elements; It can rollably be arranged in the rolling element roll channel freely; Said rolling element roll channel is formed between the rolling element plane of trajectory orbital of rolling element plane of trajectory orbital and slide block of guide rail, and slide block is through the rolling of rolling element and moving axially along guide rail.And the rolling element that oiling agents such as lubricant oil, lubricating grease are fed in the rolling element roll channel is lubricated.
But, for example under the situation of excessively having supplied with oiling agent, or being arranged at metope etc. at the axle of guide rail with mode and being provided with under the situation of face along vertical direction, the oiling agent of being supplied with may leak into the outside between guide rail and slide block.Leaking into outside oiling agent possibly move along the outer surface of guide rail and splash, and consequently, the environment that possibly produce being provided with linear guide apparatus produces pollution problems.
Therefore, in order to address the above problem, proposed that oiling agent can not leak into the outside and the linear guide apparatus that pollutes said environment.For example; The linear guide apparatus that patent documentation 1 and 2 is put down in writing is following structure: oiling agent baffle or oiling agent absorption portion with the axial end portion that is installed on slide block absorb from the oiling agent that leaks between guide rail and the slide block, prevent splashing of oiling agent thus.
The existing technology document
Patent documentation
Patent documentation 1: the open communique 2001-295840A of Japan Patent
Patent documentation 2: the open communique 2008-281061A of Japan Patent
Summary of the invention
The problem that invention will solve
But; The linear guide apparatus of patent documentation 1 and 2 records is to leaking into the structure that the outside oiling agent of slide block absorbs; Therefore; Move and arrive oiling agent baffle or oiling agent absorption portion and before being absorbed, oiling agent may splash at the oiling agent that leaks along the outer surface of guide rail.Particularly under a large amount of situation of leaking of oiling agent, be easy to generate splashing of oiling agent.In addition, because, possibly producing the oiling agent that accumulates in slide block inside to the overfeeding of linear guide apparatus, oiling agent can invade the problem in the guide rail mounting hole that is arranged at guide rail.
The present invention accomplishes in order to solve such problem, and its purpose is to provide a kind of linear guide apparatus, and it is difficult for producing the situation of oiling agent from the slide block internal leakage to the outside, and is difficult for producing lubricant starvation.
Be used to solve 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 along axially extended rolling element plane of trajectory orbital at outer surface; Slide block, it has and the opposed rolling element plane of trajectory orbital of the rolling element plane of trajectory orbital of said guide rail, and this slide block is being installed on said guide rail in the mode that axially relatively moves; And a plurality of rolling elements; It is configured in the rolling element roll channel with the mode that can roll freely; Said rolling element roll channel is formed between the rolling element plane of trajectory orbital of rolling element plane of trajectory orbital and said slide block of said guide rail; Between said guide rail and said slide block, dispose the oiling agent absorbent material, this oiling agent absorbent material can absorb the oiling agent of the rolling element plane of trajectory orbital of the rolling element plane of trajectory orbital of lubricated said rolling element, said guide rail and said slide block and keep.
In above-mentioned linear guide apparatus, preferably, said guide rail be shaped as the shape that sectional shape is a general square shape, said oiling agent absorbent material is configured between the opposed surface of same said guide rail upper surface of upper surface and said slide block of said guide rail.
In addition, in above-mentioned linear guide apparatus, preferably, said slide block possesses: the slider body with said rolling element plane of trajectory orbital; And the end cap that is installed on the axial two ends of said slider body respectively; And said slide block has the rolling element return passage; This rolling element return passage be used to make said rolling element from the terminal point delivery cycle of said rolling element roll channel to starting point; Said rolling element return passage is made up of first return passage and the second crooked return passage; Said first return passage is made up of the through hole of the axial both ends of the surface that connect said slider body; Said second return passage be formed at said end cap with the opposed part of said slider body, and said rolling element roll channel is communicated with said first return passage, said oiling agent absorbent material remains between two end caps.
The invention effect
Linear guide apparatus of the present invention with lubricator absorbent material absorbs the oiling agent that supplies to slide block inside, therefore is difficult for producing the leakage of oiling agent to the outside.And,, therefore be difficult for producing lubricant starvation because with lubricator absorbent material keeps oiling agent.
Description of drawings
Fig. 1 is the stereogram of structure of a mode of execution of the linear guide apparatus that the present invention relates to of expression.
Fig. 2 is the front view (wherein, the left side of central authorities shows the cross section) of the linear guide apparatus from end on observation Fig. 1.
Fig. 3 is the front view (wherein, omitting side seal spare illustrates) of the linear guide apparatus from end on observation Fig. 1.
Fig. 4 is the stereogram (wherein, omitting slider body illustrates) of the structure of the linear guide apparatus in the presentation graphs 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 structure of a mode of execution of the linear guide apparatus that the present invention relates to of expression, and Fig. 2 is the front view (wherein, the left side of the central axis of guide rail shows the cross section) of the linear guide apparatus from end on observation Fig. 1.In addition, among each figure after this, be marked with identical label for identical or suitable part.
At the sectional shape that extends vertically is that the guide rail 1 of general square shape is assembled with sectional shape and is the slide block 2 of コ word shape roughly, and this slide block 2 can move in the axial direction.In addition, the cross section that obtains is dissectd for using with axial plane orthogonal in these cross sections.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 have constituted the right angle, and therefore, the sectional shape of slide block 2 constitutes roughly コ word shape.And the internal surface of slide block 2 is made up of the inner side surface 7a of plate-like portion 7 and inner side surface 6a, the 6a of two alar parts 6,6, and the sectional shape of the internal surface of slide block 2 is the shape along the sectional shape of the outer surface of guide rail 1.
A face 1b who is assembled in said four faces of inner side surface 7a and guide rail 1 of the plate-like portion 7 in the internal surface of slide block 2 of guide rail 1 is opposed, and the inner side surface 6a of two alar parts 6,6,6a are respectively with opposed with a said face 1b adjacent two face 1a, 1a.In the present invention, will with opposed 1b of inner side surface 7a of plate-like portion 7 upper surface as guide rail 1, will with opposed 1a of inner side surface 6a of alar part 6 side as guide rail 1, with the face parallel in said four faces of guide rail 1 with upper surface 1b as lower surface.And, in the present invention, observing under the situation of linear guide apparatus from the axial end portion side, will be with the central axis of guide rail 1 symmetry center both sides as about.Therefore; The face that is provided with that no matter is provided with linear guide apparatus is the face towards which direction, that is, no matter be ground, the such horizontal plane of ceiling board; Still vertical of the metope that kind; Or the plane of inclination, in the present invention, the upper surface that is guide rail 1 all with opposed 1b of inner side surface 7a with plate-like portion 7.
In addition, slide block 2 is made up of slider body 2A and end cap 2B, the 2B that can be installed on the axial two end part of slider body 2A with loading and unloading.And; Be equipped with side seal spare 5,5 at the two end part of slide block 2 (end face of each end cap 2B); The opening in the gap between 5,5 pairs of guide rails 1 of side seal spare and the slide block 2 seals; Be equipped with underseal spare (not shown) in the bottom of slide block 2, this underseal spare seals the opening in the gap between guide rail 1 and the slide block 2.And inner side surface 6a, the 6a of two alar parts 6,6 about slider body 2A are formed with the rolling element plane of trajectory orbital 11,11,11,11 with rolling element plane of trajectory orbital 10,10,10, the 10 opposed inclined plane types of guide rail 1.
And in the rolling element plane of trajectory orbital 11,11,11 of the rolling element plane of trajectory orbital 10,10,10,10 of guide rail 1 and slide block 2, between 11; Being formed with sectional shape is the rolling element roll channel 13,13,13,13 of essentially rectangular, and these rolling element roll channels 13 extend vertically.In addition, guide rail 1 is not limited to a side two row with the number of the rolling element plane of trajectory orbital 10,11 that slide block 2 is possessed, and for example can be that a side one row or a side three row are with first-class.
In this rolling element roll channel 13, can rollably be filled with a plurality of cylinder rollers 3 freely as rolling element, slide block 2 is through the rolling of these cylinder rollers 3 and moving axially along guide rail 1.In addition, the kind of roller is not limited to the cylinder roller, also can use the roller of other kinds.In addition, also can between each cylinder roller 3, clamp pad.Also can use spheroid to be used as rolling element in addition.
In addition; The upper and lower of slide block 2 thick wall part of two alar parts 6,6 about slider body 2A has straight line shape passage 14,14,14,14, and the through hole that this straight line shape passage 14,14,14,14 is an essentially rectangular by cross section parallel with rolling element roll channel 13 and that connect in the axial direction constitutes.
In addition, have pillar 15 at slide block 2, pillar 15 is the roughly plate-shaped members that extend vertically.At guide surface 15a, the 15a of this pillar 15 along an end face that axially is formed with guiding cylinder roller 3.
On the other hand, formed along axially extended flange 19 at slider body 2A, this flange 19 is from rolling element plane of trajectory orbital 11 protrusions, and through the guide surface 19a of flange 19, the other end of cylinder roller 3 quilt is along axial lead.Thus, cylinder roller 3 is got involved between the guide surface 15a of the guide surface 19a of flange 19 and pillar 15, and cylinder roller 3 is through two guide surface 15a, 19a and by along axial lead.
On the other hand, end cap 2B, 2B for example are made up of the injection molding member of resin material, and it forms sectional shape and is roughly コ word shape.In addition, the left and right sides at the back side of end cap 2B, 2B (with the bearing surface of slider body 2A butt), the sectional shape that is formed with two sections is the Semicircular bending channel (not shown) of essentially rectangular.When with this end cap 2B, when 2B is installed on slider body 2A, through bending channel, rolling element roll channel 13 is connected with straight line shape passage 14.Bending channel by these straight line shape passages 14 and two ends has constituted the rolling element return passage of cylinder roller 3 being carried back starting point from the terminal point of rolling element roll channel 13; By rolling element roll channel 13 and said rolling element return passage, formed the roughly rolling element circulation canal of ring-type in the left and right sides across guide rail 1.In addition, straight line shape passage 14 is equivalent to first return passage as constitutive requirements of the present invention, and bending channel is equivalent to second return passage as constitutive requirements of the present invention.
When the slide block that is assembled in guide rail 12 along guide rail 1 when moving axially, be seated in cylinder rollers 3 in the rolling element roll channel 13 rolling element roll channel 13 in, roll on one side one side with respect to guide rail 1 to moving with slide block 2 identical directions.And cylinder roller 3 is dialled and is transported to bending channel from rolling element roll channel 13 when arriving the terminal point of rolling element roll channel 13.The cylinder roller 3 that has got into bending channel carries out being imported into straight line shape passage 14 after the u turn, and arrives the bending channel of opposition side through straight line shape passage 14.Carry out the starting point that rolling element roll channel 13 is returned in u turn here once more, infinitely repeatedly carry out the circulation in such rolling element circulation canal.
In the rolling element roll channel 13 in the linear guide apparatus of this mode of execution, for example dispose lubricating grease or wet goods oiling agent, rolling element plane of trajectory orbital 10,11 and rolling element 3 remain on across the oiling agent state of contact.This oiling agent according to the behaviour in service of linear guide apparatus etc. and via lubricating grease nozzle that end cap 2B had etc. by additional services in rolling element roll channel 13.
The linear guide apparatus of this mode of execution like this has the oiling agent absorbent material 20 that can absorb and keep oiling agent.For this oiling agent absorbent material 20, describe with reference to Fig. 2 to Fig. 4.Fig. 3 is that (wherein, omitting side seal spare 5 illustrates for the front view of the linear guide apparatus from end on observation Fig. 1.), Fig. 4 is the stereogram (wherein, omitting slider body 2A illustrates) of the structure of the linear guide apparatus in the presentation graphs 1.
Oiling agent absorbent material 20 usefulness can absorb and keep the material of oiling agent to form; Oiling agent absorbent material 20 is maintained at end cap 2B, the 2B at the two end part that are installed on slider body 2A, and oiling agent absorbent material 20 is configured between the opposed internal surface of upper surface 1b (the inner side surface 7a of plate-like portion 7) of same guide rail 1 of upper surface 1b and slide block 2 of guide rail 1.Specifically; With the opposed part of upper surface 1b guide rail 1 oiling agent absorbent material mounting hole 21 is set two end cap 2B, 2B; And be embedded in the oiling agent absorbent material mounting hole 21 through the axial two end part that make oiling agent absorbent material 20, 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 of slide block 2 (the inner side surface 7a of plate-like portion 7) and gets final product, and also can remain in two end cap 2B, 2B.In addition, the method that makes oiling agent absorbent material 20 remain in two end cap 2B, 2B is not limited to said method.
And, as long as the material of oiling agent absorbent material 20 can absorb and keep the then not special qualification of oiling agent.As the material of oiling agent absorbent material 20, for example enumerate fibrous materials such as porous materials such as sintering resin or felt, paper etc.Also can make up these materials and form oiling agent absorbent material 20.In addition, the material of oiling agent absorbent material 20 is preferably the material that does not absorb any oiling agent.
In addition, the shape of oiling agent absorbent material 20 is preferably the shape in the space between the inner side surface 7a of plate-like portion 7 of the upper surface 1b that can be received into guide rail 1 and slide block 2.And the shape that oiling agent absorbent material 20 does not contact with guide rail 1 when being preferably in the space between the inner side surface 7a of the upper surface 1b that is accommodated in guide rail 1 and the plate-like portion 7 of slide block 2 hinders slide blocks 2 in axial relatively moving to avoid oiling agent absorbent material 20.
Linear guide apparatus according to this such mode of execution; Through lubricant absorbent material 20 between guide rail 1 and slide block 2; To slide block 2 inner overfeedings under the situation of oiling agent, the oiling agent in the space between the inner side surface 7a of the upper surface 1b that invades guide rail 1 wherein and the plate-like portion 7 of slide block 2 is absorbed.Therefore, oiling agent is difficult for accumulating in this space, so oiling agent is difficult for from slide block 2 internal leakages to the outside.In addition; The situation of oiling agent that oiling agent absorbent material 20 absorption oiling agents have been not limited to overfeeding; Invaded at oiling agent under the situation in the space between the inner side surface 7a of plate-like portion 7 of upper surface 1b and slide block 2 of guide rail 1, the also lubricated dose absorbent material 20 of oiling agent absorbs.
In addition, according to the linear guide apparatus of this mode of execution, lubricated dose of absorbent material 20 absorptions and the oiling agent that keeps are used in the lubricated of rolling element plane of trajectory orbital 10,11 and cylinder roller 3, therefore are difficult for the generation lubricant starvation.
In addition; Linear guide apparatus according to this mode of execution; Owing to dispose oiling agent absorbent material 20 in the space between the inner side surface 7a of the plate-like portion 7 of the upper surface 1b of guide rail 1 and slide block 2; Therefore, can reduce spatial volume between the inner side surface 7a of plate-like portion 7 of upper surface 1b and slide block 2 of guide rail 1.Consequently, in the space between the inner side surface 7a of the plate-like portion 7 of unnecessary in the past upper surface 1b that oiling agent accumulated, guide rail 1 and slide block 2, be difficult for accumulating oiling agent, therefore, can reduce has the oiling agent itself that leaks possibility.
In addition, because in the space between the inner side surface 7a of the upper surface 1b that oiling agent is difficult for accumulating in guide rail 1 and the plate-like portion 7 of slide block 2, therefore, oiling agent is difficult for intrusion guide rail mounting hole 22.The lubricant oil that consequently, can reduce this intrusion overflows and leaks into the possibility of the outside of slide block 2.
In addition; Guide through the method for not using pillar 15 not possessing pillar 15 under the situation of linear guide apparatus of type of cylinder roller 3; Owing to have the space in the part that is equipped with pillar 15; Therefore, also can replace oiling agent absorbent material 20 to be configured in the situation between the inner side surface 7a of plate-like portion 7 of upper surface 1b and slide block 2 of guide rail 1, and in above-mentioned space lubricant absorbent material 20.Like this, through being configured in the oiling agent absorbent material 20 in this space, can absorbing and keep the oiling agent of overfeeding and prevent that oiling agent from leaking into the outside.
In addition, oiling agent absorbent material 20 also can be configured between the inner side surface 7a of plate-like portion 7 of upper surface 1b and slide block 2 of guide rail 1, and is configured in the space at pillar 15 places.Thus, the oiling agent of overfeeding can be absorbed and keep more reliably, the oiling agent of heads can be prevented more effectively.
Label declaration
1: guide rail
1b: upper surface
2: slide block
2A: slider body
2B: end cap
3: the cylinder roller
7a: inner side surface
10: the rolling element plane of trajectory orbital
11: the rolling element plane of trajectory orbital
13: the rolling element roll channel
14: the straight line shape passage
20: the oiling agent absorbent material
21: oiling agent absorbent material mounting hole
Claims (3)
1. linear guide apparatus, it possesses: guide rail, it has along axially extended rolling element plane of trajectory orbital at outer surface; Slide block, it has and the opposed rolling element plane of trajectory orbital of the rolling element plane of trajectory orbital of said guide rail, and this slide block is being installed on said guide rail in the mode that axially relatively moves; And a plurality of rolling elements, it is configured in the rolling element roll channel with the mode that can roll freely, and said rolling element roll channel is formed between the rolling element plane of trajectory orbital of rolling element plane of trajectory orbital and said slide block of said guide rail,
Between said guide rail and said slide block, dispose the oiling agent absorbent material, this oiling agent absorbent material can absorb the oiling agent of the rolling element plane of trajectory orbital of the rolling element plane of trajectory orbital of lubricated said rolling element, said guide rail and said slide block and keep.
2. linear guide apparatus according to claim 1, wherein,
Said guide rail be shaped as the shape that sectional shape is a general square shape,
Said oiling agent absorbent material is configured between the opposed surface of same said guide rail upper surface of upper surface and said slide block of said guide rail.
3. linear guide apparatus according to claim 1 and 2, wherein,
Said slide block possesses: the slider body with said rolling element plane of trajectory orbital; And the end cap that is installed on the axial two ends of said slider body respectively, and said slide block has the rolling element return passage, this rolling element return passage make said rolling element from the terminal point delivery cycle of said rolling element roll channel to starting point,
Said rolling element return passage is made up of first return passage and the second crooked return passage; Said first return passage is made up of the through hole of the axial both ends of the surface that connect said slider body; Said second return passage be formed at said end cap with the opposed part of said slider body; And said rolling element roll channel is communicated with said first return passage
Said oiling agent absorbent material remains between two end caps.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-252221 | 2010-11-10 | ||
| JP2010252221 | 2010-11-10 | ||
| PCT/JP2011/005846 WO2012063411A1 (en) | 2010-11-10 | 2011-10-19 | Linear-guide device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102612607A true CN102612607A (en) | 2012-07-25 |
| CN102612607B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105121874A (en) * | 2013-05-01 | 2015-12-02 | Thk株式会社 | Rolling guide device |
| CN109196240A (en) * | 2016-05-16 | 2019-01-11 | 霓达株式会社 | Slide the mounting structure and linear guide apparatus of scraping |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| 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 |
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- 2011-10-19 KR KR1020137009462A patent/KR101491395B1/en active IP Right Grant
- 2011-10-19 JP JP2012542793A patent/JP5928337B2/en active Active
- 2011-10-19 CN CN201180002168.0A patent/CN102612607B/en active Active
- 2011-10-19 WO PCT/JP2011/005846 patent/WO2012063411A1/en active Application Filing
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| 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 |
| JPH09303393A (en) * | 1996-05-16 | 1997-11-25 | Nippon Seiko Kk | Guide rail for linear guide device |
| CN101080580A (en) * | 2004-12-17 | 2007-11-28 | Thk株式会社 | Movement guiding device and method of lubricating the same |
| JP2008274122A (en) * | 2007-04-27 | 2008-11-13 | Nsk Ltd | Lubricant feeder and direct acting device having the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105121874A (en) * | 2013-05-01 | 2015-12-02 | Thk株式会社 | Rolling guide device |
| CN105121874B (en) * | 2013-05-01 | 2017-09-12 | Thk株式会社 | Rolling guide device |
| CN109196240A (en) * | 2016-05-16 | 2019-01-11 | 霓达株式会社 | Slide the mounting structure and linear guide apparatus of scraping |
| CN109196240B (en) * | 2016-05-16 | 2021-08-27 | 霓达株式会社 | Mounting structure of sliding scraper and linear guide device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101491395B1 (en) | 2015-02-06 |
| JP5928337B2 (en) | 2016-06-01 |
| CN102612607B (en) | 2015-07-22 |
| WO2012063411A1 (en) | 2012-05-18 |
| JPWO2012063411A1 (en) | 2014-05-12 |
| KR20130081291A (en) | 2013-07-16 |
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