CN104454985A - Keeping structure between air bearing and adjusting member - Google Patents
Keeping structure between air bearing and adjusting member Download PDFInfo
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- CN104454985A CN104454985A CN201310456771.7A CN201310456771A CN104454985A CN 104454985 A CN104454985 A CN 104454985A CN 201310456771 A CN201310456771 A CN 201310456771A CN 104454985 A CN104454985 A CN 104454985A
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- holder
- pneumatic bearing
- adjustment piece
- axis hole
- maintenance
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Abstract
The invention provides a keeping structure between an air bearing and an adjusting member. The keeping structure comprises an air bearing, an adjusting member and a holder, wherein the adjusting member comprises a shaft part; a combined end is positioned at the axial end of the shaft part; the holder comprises an elastic holding body, and is fixedly arranged on the air bearing; an axle hole is formed in the holding body in a penetrating manner, and coaxially sleeves the combined end in a penetrating manner; the aperture of the axle hole can change through elastic deformation of the holding body, so that the shaft part can axially move between a clamping position and a pull-away position in the axle hole due to the external force; when the shaft part is positioned at the clamping position, the inner diameter of the axle hole is smaller than the maximal outer diameter on the peripheral side of the combined end, so that the peripheral side of the combined end is clamped on the hole wall of the axle hole; and when the shaft part is positioned at the pull-away position, the inner diameter of the axle hole is similar to the maximal outer diameter of the peripheral side of the combined end, so that the combined end can be pulled away from the axle hole, and can be separated from the holder.
Description
Technical field
The present invention is relevant with pneumatic bearing, particularly constructs about the maintenance between a kind of pneumatic bearing and adjustment piece.
Background technique
Press, the part along with high-tech product is marched toward the trend of precise treatment, microminiaturization, and the positioning accuracy request relatively for working platform is also more and more higher.In order to reach high precision, at present mostly by linear motor Direct driver one working platform, in order to promote machining accuracy, and location can be reached rapidly.But during due to this working platform displacement of this linear motor driven, in start process, the interference of frictional force between this working platform and a rolling guide joint, can be subject to, and global stability and precision are declined.
Refer to shown in Fig. 1 and Fig. 2, disclosed by prior art, that pneumatic bearing 1 is located on working platform 2, directly collocation linear motor start again, wherein, there is between this pneumatic bearing 1 and rolling guide joint 3 air gap 4, make this pneumatic bearing 1 axle floating thereon, thus make this working platform 2 and this rolling guide joint 3 without the need to directly contacting, in order to do with the frictional force effectively reduced between this working platform 2 and this rolling guide joint 3.
Meanwhile, because nothing between this pneumatic bearing 1 with this rolling guide joint 4 directly contacts, just without the need to lubrication, surface also can not produce abrasion, can increase working life, and the noise and vibration produced when making start is little, also significantly can promote the stability in use.
Wherein, prior art is in order to link between this pneumatic bearing 1 and working platform 2, generally be fixed on this working platform 2 by adjustment bolt 5, again to hold end to be hubbed in this pneumatic bearing 2, can firmly be positioned between working platform 2 and rolling guide joint 3 in order to do making pneumatic bearing 1, but, these combination technologies are owing to being make between this adjustment bolt 5 and pneumatic bearing 1 or adopt fixing combination, by because need additionally carry out being the dismounting between the two or assembling, increase the inconvenience in maintenance on foot, in addition, also the joint structure making only there is between adjustment bolt 5 and pneumatic bearing 1 bulb and ball-and-socket is had, and not there is the technology making suitably to combine between the two, thus, namely adjustment bolt 5 is made easily to be separated with between pneumatic bearing 1, particularly when the axis adjusting bolt 5 is parallel with gravitational direction, when pneumatic bearing 1 is assembled in below adjustment bolt 5, soon gravitate and dropping, increase the difficulty in assembling and inconvenience on foot.
Summary of the invention
The maintenance that the object of this invention is to provide between a kind of pneumatic bearing and adjustment piece constructs, and it can make the combination between pneumatic bearing with adjustment piece be easy to be implemented with being separated, make it assemble according to this and the operation of guaranteeing to keep in good repair carry out on more convenient.
For achieving the above object, the present invention takes following technological scheme:
Maintenance between pneumatic bearing provided by the present invention and adjustment piece constructs, and namely includes a pneumatic bearing, one adjustment piece, has an axle portion, and a binding end is positioned at one end of this axle portion axis, more include a holder, there is the flexible holder of a tool, be fixedly arranged in this pneumatic bearing, one axis hole provides in this holder, and coaxially wear with this binding end, and the aperture of this axis hole is changed by the elastic strain of this holder, make this axle portion can detach between position in an engaging and one in this axis hole by external force according to this to move axially, when being positioned on this clamped position, the internal diameter of this axis hole is less than the maximum outside diameter of this binding end week side, be connected on the hole wall of this axis hole in order to make all sides of this binding end, and when being positioned at this and detaching on position, the internal diameter of this axis hole then with this in binding end week side maximum outside diameter similar, be separated with this holder in order to make this binding end can detach from this axis hole.
Wherein, this adjustment piece has a draw-in groove, recessed on all side ring surfaces of this binding end, when this axle portion is positioned on this clamped position, the inner side cell wall of this draw-in groove and the hole wall of this axis hole is amplexiformed, makes this adjustment piece be connected on this holder according to this.
Wherein, this holder is a tool flexible O shape ring.
Wherein, this holder is a C shape button.
Wherein, this holder more includes a fixing part, is fixed in this pneumatic bearing, and is positioned between this fixing part and this pneumatic bearing by this holder sandwiched, one internal diameter is greater than the perforation of this binding end maximum outside diameter, with this axis hole coaxial communication be arranged on this fixing part.
Wherein, this fixing part and this holder are all in the form of sheets.
Wherein, this holder is with the elastomer made by macromolecular material.
Wherein, this holder is with the elastomer made by silica gel.
The invention has the beneficial effects as follows: pneumatic bearing of the present invention can have flexible holder by this and be combined with this adjustment piece and be subject to suitable location, simultaneously, also by deformation that the elasticity gained of this holder provides, make to be separated it can be separated with small force by shirtsleeve operation between this pneumatic bearing with this adjustment piece, contribute to the carrying out of end job.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of prior art.
Fig. 2 is the assembly floor map of prior art.
Fig. 3 is the three-dimensional combination figure of the present invention first preferred embodiment.
Fig. 4 is the three-dimensional exploded view of the present invention first preferred embodiment.
Fig. 5 is the sectional view of the present invention first preferred embodiment along 5-5 secant in Fig. 3.
Fig. 6 is the three-dimensional combination figure of the present invention first preferred embodiment.
Fig. 7 is the three-dimensional exploded view of the present invention first preferred embodiment.
Fig. 8 is the sectional view of the present invention first preferred embodiment along 8-8 secant in Fig. 6.
Fig. 9 is the three-dimensional combination figure of the present invention first preferred embodiment.
Figure 10 is the three-dimensional exploded view of the present invention first preferred embodiment.
Figure 11 is the sectional view of the present invention first preferred embodiment along 11-11 secant in Fig. 9.
Drawing reference numeral: 1: pneumatic bearing; 2: working platform; 3: rolling guide joint; 4: air gap; 5: adjustment bolt; 10: the maintenance structure between pneumatic bearing and adjustment piece; 20: pneumatic bearing; 21,21 ', 21 ": body; 22: ball-and-socket; 30: adjustment piece; 31: axle portion; 32: binding end; 321: bulb end end; 33: draw-in groove; 40: holder; 41,41 ', 41 ": holder; 42: axis hole; 43: fixing part; 44,44 ', 44 ": perforation.
Embodiment
First, refer to shown in Fig. 3 to Fig. 6, in the present invention first preferred embodiment provide between pneumatic bearing and adjustment piece maintenance structure 10, it consists predominantly of pneumatic bearing 20, adjustment piece 30 and a holder 40.
This pneumatic bearing 20 is in order to the pressurized gas pilot flow by outside, in order to do to form air gap in this pneumatic bearing 20 and the interplanar of guide rail, thus the prior art content of movement can be carried out under zerofriction force, and for the present invention, the technology contents that this pneumatic bearing 20 flows in order to pilot gas, with technical characteristics of the present invention without relating to, with in the graphic of this case or explanatory note, then the concrete technology contents do not flowed with regard to these pilot gas is explained, covering it is the prior art that namely genus persond having ordinary knowledge in the technical field of the present invention has known when this case is applied for a patent, but in the present invention about in the necessary technology context of this pneumatic bearing 20, necessity of explanation is still had at this, in other words, namely this pneumatic bearing 20 has the body 21 of the cylindrical block of a suitable thickness, one ball-and-socket 22 is recessed in the centre of curvature of this axial one end of body 21.
This adjustment piece 30 is fixed on an existing platform in order to be spirally connected, and be connected with this pneumatic bearing 20, make this pneumatic bearing 20 and this existing platform can be in conjunction with according to this, by and large, this adjustment piece 30 has the screw shaped axle portion 31 of a suitable length, be bolted on this existing platform with one end, one binding end 32 is positioned at the another end of this axle portion 31 axis, in order to be connected with this pneumatic bearing 20, and the bulb end end 321 making the end of this binding end 32 end curved, in order to do abutting with this ball-and-socket 22, make according to this to relatively rotate not by the restriction of angle between this pneumatic bearing 20 and this adjustment piece 30, one ring-type draw-in groove 33 is recessed on all sides of this binding end, and be separated with suitable distance mutually with this bulb end end 321, wherein suitably, when this bulb end end 321 can be made to be embedded at this ball-and-socket 22, the position at this draw-in groove 33 place is made to be positioned at beyond the end face of this axial one end of body 21.
This holder 40 has a sheet holder 41 made by the flexible macromolecular material of the tools such as silica gel, thickness is also similar with the groove width of this draw-in groove 33, and amplexiform on the surface of the axial one end of this body 21 so that side is unilateral, the axis hole 42 that this binding end 32 external diameter at one internal diameter and this draw-in groove 33 place is similar provides in this holder 41, and be connected on the inner side cell wall of this draw-in groove 33 with hole wall, make according to this to engage with each other between this holder 41 and this binding end 32, a sheet of fixing part 43 amplexiforms on the another lateral plate face of this holder 41, and be spirally connected with suitable fixed element and be incorporated on this body 21, one perforation 44 runs through this fixing part 43 and coaxial corresponding with this axis hole 42, and make aperture be greater than the maximum outside diameter of this binding end 32.
By the composition of above-mentioned component, except this binding end 32 is not interrupted except freely passing this perforation 44, also by change that the internal diameter of this axis hole 42 can cause by the deformation of this holder 41, to reach the bonding state be flexibly connected in the hole wall of this axis hole 42 in this draw-in groove 33, in other words, even if this axle portion 41 is being subject under External Force Acting, can detach between position in an engaging and one in this axis hole 42 and move axially, when being positioned on this clamped position, the maximum outside diameter that the internal diameter of this axis hole 42 is less than this binding end 32 weeks side is also namely similar with the minimum outer diameter at this draw-in groove 33 place, in order to make the hole wall clamping each other of this draw-in groove 33 and this axis hole 42, and when being positioned at this and detaching on position, the internal diameter of this axis hole 42 is then similar with the maximum outside diameter of this binding end 32 weeks side, derive from this axis hole 42 in order to make this binding end 32 detach and be separated with this holder 40.
Thus, this pneumatic bearing 20 can have flexible holder 41 by this and be combined with this adjustment piece 30 and be subject to suitable location, simultaneously, also by deformation that the elasticity gained of this holder 41 provides, make to be separated it can be separated with small force by shirtsleeve operation between this pneumatic bearing 20 with this adjustment piece 30, contribute to the carrying out of end job, and improve efficiently the disappearance of prior art.
In other words, with regard to technical characteristics of the present invention, the deformation of being allowed by this holder 41, this axis hole 42 is made to produce the change in aperture, thus reach and combine with 30 elasticity between this adjustment and be beneficial to the effect be separated, be with, under this technical characteristics, namely the aforementioned first preferred embodiment person of taking off is only illustrative character, also be able to as Fig. 6 to Fig. 8, or as another two preferred embodiments shown in Fig. 9 to Figure 11, there is flexible O shape ring or allow the metal C shape of deformation button to be formed this holder 41 ', 41 ", and be embedded in this body 21 ', 21 " in, and make this perforation 44 ', 44 " this body 21 ' is directly formed at, 21 " on the end face of axial one end, accordingly, this is second and the 3rd concrete technology contents of taking off of preferred embodiment years old, also the identical effect reached with this first preferred embodiment gained can will be reached.
Claims (8)
1. the maintenance structure between pneumatic bearing and adjustment piece, it comprises:
One pneumatic bearing;
One adjustment piece, has an axle portion, and a binding end is positioned at one end of this axle portion axis;
It is characterized in that, more comprise
One holder, there is the flexible holder of a tool, be fixedly arranged in this pneumatic bearing, one axis hole provides in this holder, and coaxially wear with this binding end, and the aperture of this axis hole is changed by the elastic strain of this holder, make this axle portion can detach between position in an engaging and one in this axis hole by external force according to this to move axially, when being positioned on this clamped position, the internal diameter of this axis hole is less than the maximum outside diameter of this binding end week side, be connected on the hole wall of this axis hole in order to make all sides of this binding end, and when being positioned at this and detaching on position, the internal diameter of this axis hole then with this in binding end week side maximum outside diameter similar, be separated with this holder in order to make this binding end can detach from this axis hole.
2. the maintenance between pneumatic bearing according to claim 1 and adjustment piece constructs, it is characterized in that, described adjustment piece has a draw-in groove, recessed on all side ring surfaces of described binding end, when described axle portion is positioned on described clamped position, the inner side cell wall of described draw-in groove and the hole wall of described axis hole are amplexiformed, makes this adjustment piece be connected on described holder according to this.
3. the maintenance between pneumatic bearing according to claim 1 and 2 and adjustment piece constructs, and it is characterized in that, described holder is a tool flexible O shape ring.
4. the maintenance between pneumatic bearing according to claim 1 and 2 and adjustment piece constructs, and it is characterized in that, described holder is a C shape button.
5. the maintenance between pneumatic bearing according to claim 1 and 2 and adjustment piece constructs, it is characterized in that, described holder more includes a fixing part, be fixed in described pneumatic bearing, and described holder sandwiched is positioned between described fixing part and this pneumatic bearing, one internal diameter is greater than the perforation of described binding end maximum outside diameter, with described axis hole coaxial communication be arranged on this fixing part.
6. the maintenance between pneumatic bearing according to claim 5 and adjustment piece constructs, and it is characterized in that, described fixing part and described holder are all in the form of sheets.
7. the maintenance between pneumatic bearing according to claim 6 and adjustment piece constructs, and it is characterized in that, described holder is for the elastomer made by macromolecular material.
8. the maintenance between pneumatic bearing according to claim 6 and adjustment piece constructs, and it is characterized in that, described holder is for the elastomer made by silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456771.7A CN104454985A (en) | 2013-09-24 | 2013-09-24 | Keeping structure between air bearing and adjusting member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456771.7A CN104454985A (en) | 2013-09-24 | 2013-09-24 | Keeping structure between air bearing and adjusting member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104454985A true CN104454985A (en) | 2015-03-25 |
Family
ID=52901549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310456771.7A Pending CN104454985A (en) | 2013-09-24 | 2013-09-24 | Keeping structure between air bearing and adjusting member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104454985A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798478A (en) * | 1988-02-16 | 1989-01-17 | Nicolet Instrument Corporation | Self-aligning fluid bearing |
| US5098203A (en) * | 1991-03-11 | 1992-03-24 | Contraves Goerz Corporation | Bearing system |
| JP2006009968A (en) * | 2004-06-25 | 2006-01-12 | Oiles Ind Co Ltd | Combining structure of static pressure gas bearing pad and gap adjusting member, and static pressure gas bearing mechanism using the same |
| CN101693365A (en) * | 2009-10-22 | 2010-04-14 | 中国计量科学研究院 | Air bearing structure and method for achieving air film thickness compensation |
| CN102606622A (en) * | 2011-01-19 | 2012-07-25 | 大银微系统股份有限公司 | Pre-pressed type air bearing |
-
2013
- 2013-09-24 CN CN201310456771.7A patent/CN104454985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798478A (en) * | 1988-02-16 | 1989-01-17 | Nicolet Instrument Corporation | Self-aligning fluid bearing |
| US5098203A (en) * | 1991-03-11 | 1992-03-24 | Contraves Goerz Corporation | Bearing system |
| JP2006009968A (en) * | 2004-06-25 | 2006-01-12 | Oiles Ind Co Ltd | Combining structure of static pressure gas bearing pad and gap adjusting member, and static pressure gas bearing mechanism using the same |
| CN101693365A (en) * | 2009-10-22 | 2010-04-14 | 中国计量科学研究院 | Air bearing structure and method for achieving air film thickness compensation |
| CN102606622A (en) * | 2011-01-19 | 2012-07-25 | 大银微系统股份有限公司 | Pre-pressed type air bearing |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |