CN209925429U - Ultra-precise static pressure linear rail system - Google Patents
Ultra-precise static pressure linear rail system Download PDFInfo
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- CN209925429U CN209925429U CN201920304029.7U CN201920304029U CN209925429U CN 209925429 U CN209925429 U CN 209925429U CN 201920304029 U CN201920304029 U CN 201920304029U CN 209925429 U CN209925429 U CN 209925429U
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- Prior art keywords
- static pressure
- linear rail
- hydrostatic
- ultra
- lateral wall
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- 230000003068 static effect Effects 0.000 title claims abstract description 65
- 230000002706 hydrostatic effect Effects 0.000 claims description 35
- 239000010409 thin film Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
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Abstract
The utility model provides an ultra-precise static pressure linear rail system, including static pressure linear rail, static pressure linear rail slider and throttle subassembly, static pressure linear rail slider includes the slider body, offer the recess that is used for supplying static pressure linear rail to pass on the lower surface of slider body, be provided with a plurality of static pressure oil pockets on the internal face of recess, the throttle subassembly set up on this slider body and with a plurality of static pressure oil pockets communicate respectively to will give each according to the fluid of input the static pressure oil pocket provides high-pressure fluid. The utility model discloses an adopt the mode of static pressure linear rail slider parcel static pressure linear rail, the cost is reduced under the prerequisite of guaranteeing long linear rail motion precision.
Description
Technical Field
The utility model relates to a guide rail field, concretely relates to ultra-precision static pressure linear rail system.
Background
The linear guide rail is used as a general bearing mode in various industries, the hydrostatic technology is widely applied to precision machinery, and hydrostatic servo and hydrostatic bearing modules are typical application examples.
The traditional hydrostatic guideway is driven based on a small stroke, and a long hydrostatic guideway (more than 2 m) is difficult to process and has high cost. The hydrostatic guideway is very big, in order to satisfy high bearing capacity requirement, need guarantee the guide rail width, the volume is generally very little that hardly does, and traditional integration level is very low based on aperture hydrostatic throttle mode, and difficult realization modularization installation.
Therefore, the prior art has defects and needs to be improved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultra-precision static pressure linear rail system, through the mode that adopts static pressure linear rail slider parcel static pressure linear rail, can improve static pressure guide's length and reduce cost.
The utility model provides an ultra-precise static pressure linear rail system, including static pressure linear rail, static pressure linear rail slider and throttle subassembly, static pressure linear rail slider includes the slider body, offer the recess that is used for supplying static pressure linear rail to pass on the lower surface of slider body, be provided with a plurality of static pressure oil pockets on the internal face of recess, the throttle subassembly set up on this slider body and with a plurality of static pressure oil pockets communicate respectively to will give each according to the fluid of input the static pressure oil pocket provides high-pressure fluid.
Ultra-precise static pressure linear rail system in, be provided with the additional layer on the internal face of recess, the static pressure oil pocket is seted up in on the additional layer.
In the ultra-precise hydrostatic linear rail system of the present invention, the groove includes a bottom surface and two oppositely disposed side wall surfaces connected to the bottom surface;
the plurality of static pressure oil chambers are respectively arranged on the bottom surface and the side wall surface.
In the ultra-precise hydrostatic linear rail system of the present invention, each of the side wall surfaces includes a first vertical side wall surface, a first inclined side wall surface, a second inclined side wall surface, and a second vertical side wall surface;
first slope lateral wall face first perpendicular lateral wall face second slope lateral wall face, the perpendicular lateral wall face of second and the bottom surface connects gradually, second slope lateral wall face orientation is close to another the direction slope of lateral wall face, another is kept away from to first slope lateral wall face orientation the direction slope of lateral wall face, first perpendicular lateral wall face with the perpendicular lateral wall face of second parallel and with the bottom surface is perpendicular.
Ultra-precise hydrostatic linear rail system in, the bottom surface first perpendicular lateral wall face, first slope lateral wall face, second perpendicular lateral wall face and be provided with one on the bottom surface respectively the hydrostatic oil pocket.
Ultra-precise static pressure linear rail system in, the slider body is provided with a plurality of static pressure fluid passageways, the throttle subassembly is respectively through one static pressure fluid passageway and one static pressure oil pocket intercommunication.
In the ultra-precise static pressure linear rail system of the present invention, the throttling component is a thin film throttling device.
Ultra-precise static pressure linear rail system in, each the static pressure oil pocket all is the strip, just the static pressure oil pocket along the axial extension of recess.
The utility model discloses an adopt the mode of static pressure linear rail slider parcel static pressure linear rail, can improve the length and the reduce cost of hydrostatic guideway.
Drawings
Fig. 1 is a schematic structural diagram of an ultra-precise hydrostatic linear rail system according to some embodiments of the present invention.
Fig. 2 is a cross-sectional view of a static rail slider in some embodiments of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, fig. 1 is a block diagram of an ultra-precise hydrostatic rail system according to some embodiments of the present disclosure, which includes a hydrostatic rail slider 10, a hydrostatic rail 20, a throttling assembly 30, and a flow pipe 40.
Wherein, static pressure linear rail slider 10 includes: the slide block comprises a slide block body 101, a groove 11 for the static pressure line rail 20 to pass through is formed in the lower surface of the slide block body 101, a plurality of static pressure oil chambers (not shown) are formed in the inner wall surface of the groove 11, and the throttling assembly 30 is arranged on the slide block body 11 and is respectively communicated with the static pressure oil chambers through an oil conveying pipe 40 so as to provide high-pressure oil for the static pressure oil chambers according to input oil.
In some embodiments, an additional layer 11a is provided on the inner wall surface of the groove 11, and the plurality of static pressure oil chambers each open on the additional layer 11 a. The additional layer 11a not only facilitates the processing of the hydrostatic oil cavity, but also prevents the hydrostatic oil cavity from being scratched by the soft resin material, thereby improving the service life. The groove 11 penetrates both ends of the slider body 101. The groove 11 is sleeved on the static pressure linear rail 20 to realize sliding. The additional layer 11a may be made of a softer metallic material such as copper, tin bronze, etc. The additional layer 11a may be a relatively soft organic layer such as a resin layer.
In some embodiments, the recess 11 comprises a bottom surface 112 and two oppositely disposed side wall surfaces 111 connected to the bottom surface 112; the plurality of static pressure oil chambers are provided on the bottom surface 112 and the side wall surface 111, respectively.
Each of the sidewall surfaces 111 includes a first vertical sidewall surface 1112, a first inclined sidewall surface 1111, a second inclined sidewall surface 1113, and a second vertical sidewall surface 1114.
The first inclined sidewall 111, the first vertical sidewall 1112, the second inclined sidewall 1113, and the second vertical sidewall 1114 are sequentially connected to the bottom surface 112, the second inclined sidewall 1113 is inclined toward the other sidewall 111, the first inclined sidewall 1111 is inclined toward the other sidewall 111, and the first vertical sidewall 1112 is parallel to the second vertical sidewall 1114 and is perpendicular to the bottom surface 112.
The first inclined side wall surface 111, the first vertical side wall surface 1112, the second inclined side wall surface 1113, the second vertical side wall surface 1114, and the bottom surface 112 are respectively provided with one of the hydrostatic oil chambers.
In some embodiments, a plurality of hydrostatic oil chambers, e.g., four, are provided on the bottom surface 112.
The slider body 101 is provided with a plurality of static pressure oil passages 12, and the throttling assembly is communicated with one static pressure oil chamber through one static pressure oil passage 12. Wherein, still be provided with an oil inlet pipe 13 that is used for communicateing with defeated oil pipe 40 on this slider body 101, this oil inlet pipe 13 respectively with these a plurality of static pressure fluid passageway 12 intercommunications.
The throttling assembly 30 is a membrane restrictor, but may be other types of restrictors.
In some embodiments, each of the hydrostatic oil chambers is bar-shaped, and extends in the axial direction of the groove 11.
The utility model discloses an adopt the mode of static pressure linear rail slider parcel static pressure linear rail, can improve the length and the reduce cost of hydrostatic guideway. The design of the static pressure slide block replaces the design of the prior ball slide block in order to realize the static pressure effect, a static pressure cavity is distributed on an additional layer of the slide block, and an oil film is formed on the cladding surface of the guide rail, so that undamped transmission is realized. In order to reduce the volume and realize modular installation, an external film restrictor is adopted.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (8)
1. The ultra-precise static pressure linear rail system is characterized by comprising a static pressure linear rail, a static pressure linear rail sliding block and a throttling assembly, wherein the static pressure linear rail sliding block comprises a sliding block body, a groove for the static pressure linear rail to pass through is formed in the lower surface of the sliding block body, a plurality of static pressure oil cavities are formed in the inner wall surface of the groove, and the throttling assembly is arranged on the sliding block body and is respectively communicated with the static pressure oil cavities so as to provide high-pressure oil for the static pressure oil cavities according to input oil.
2. The ultra-precise hydrostatic linear rail system of claim 1, wherein an additional layer is disposed on an inner wall surface of the groove, and the hydrostatic oil cavity is opened on the additional layer.
3. The ultra-precise hydrostatic linear rail system of claim 1, wherein the groove includes a bottom surface and two oppositely disposed side wall surfaces connected to the bottom surface;
the plurality of static pressure oil chambers are respectively arranged on the bottom surface and the side wall surface.
4. The ultra-precise hydrostatic rail system of claim 3, wherein each of the sidewall surfaces comprises a first vertical sidewall surface, a first sloped sidewall surface, a second sloped sidewall surface, and a second vertical sidewall surface;
first slope lateral wall face first perpendicular lateral wall face second slope lateral wall face, the perpendicular lateral wall face of second and the bottom surface connects gradually, second slope lateral wall face orientation is close to another the direction slope of lateral wall face, another is kept away from to first slope lateral wall face orientation the direction slope of lateral wall face, first perpendicular lateral wall face with the perpendicular lateral wall face of second parallel and with the bottom surface is perpendicular.
5. The ultra-precise hydrostatic rail system of claim 4, wherein the bottom surface, the first vertical sidewall surface, the first sloped sidewall surface, the second vertical sidewall surface, and the bottom surface are each provided with one of the hydrostatic oil pockets.
6. The ultra-precise hydrostatic linear rail system according to claim 5, wherein the slider body is provided with a plurality of hydrostatic oil passages, and the throttling assembly is respectively communicated with the hydrostatic oil chamber through one hydrostatic oil passage.
7. The ultra-precise hydrostatic linear rail system of claim 1, wherein the throttling assembly is a thin film choke.
8. The ultra-precise hydrostatic linear rail system of claim 1, wherein each hydrostatic oil cavity is strip-shaped and extends axially along the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920304029.7U CN209925429U (en) | 2019-03-11 | 2019-03-11 | Ultra-precise static pressure linear rail system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920304029.7U CN209925429U (en) | 2019-03-11 | 2019-03-11 | Ultra-precise static pressure linear rail system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925429U true CN209925429U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920304029.7U Expired - Fee Related CN209925429U (en) | 2019-03-11 | 2019-03-11 | Ultra-precise static pressure linear rail system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707732A (en) * | 2019-03-11 | 2019-05-03 | 佛山艾克斯光电科技有限公司 | A kind of ultraprecise static pressure line rail system |
| DE102023103853B3 (en) | 2023-02-16 | 2024-03-21 | Hiwin Technologies Corp. | MEMBRANE-TYPE FLOW LIMITER AND HYDROSTATIC DEVICE COMPRISING THIS FLOW LIMITER |
-
2019
- 2019-03-11 CN CN201920304029.7U patent/CN209925429U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707732A (en) * | 2019-03-11 | 2019-05-03 | 佛山艾克斯光电科技有限公司 | A kind of ultraprecise static pressure line rail system |
| DE102023103853B3 (en) | 2023-02-16 | 2024-03-21 | Hiwin Technologies Corp. | MEMBRANE-TYPE FLOW LIMITER AND HYDROSTATIC DEVICE COMPRISING THIS FLOW LIMITER |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 |