CN217452969U - Air-float motion platform - Google Patents
Air-float motion platform Download PDFInfo
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- CN217452969U CN217452969U CN202220402045.1U CN202220402045U CN217452969U CN 217452969 U CN217452969 U CN 217452969U CN 202220402045 U CN202220402045 U CN 202220402045U CN 217452969 U CN217452969 U CN 217452969U
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- sliding seat
- air supply
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Abstract
The application relates to an air-floating motion platform, which comprises: a guide rail; the sliding seat is arranged on the guide rail in a sliding manner, and an air supply gap is formed between the sliding seat and the guide rail; the air passage structure comprises an air supply passage and a plurality of air outlet passages, wherein the air supply passage and the plurality of air outlet passages are arranged in the sliding seat, and the air outlet passages are communicated with the air supply passage and the air supply gap; and the pressure regulating structure is arranged on the sliding seat and is communicated with the air supply channel. This application is through newly-increased pressure regulating structure to maintain the stability of air pressure in the air flue structure, reduce the influence of external factor to air pressure in the air flue structure, and improve the stability of the air film that forms between sliding seat and the guide rail, make the sliding seat more slide on the guide rail steadily.
Description
Technical Field
The application relates to the technical field of motion platforms, in particular to an air floatation motion platform.
Background
At present, the slide rail system is inevitably brought the influence of frictional force to mechanism sliding guide, if sliding guide's stroke is longer, the influence that frictional force produced is more obvious, and frictional force will greatly harm the system motion precision of platform, still can have simultaneously and produce particle pollution, consequently in some precision and the higher use scene of environmental purification grade requirement, need optimize the friction that produces in the sliding guide system.
In the related art, an air film is formed between the sliding block and the guide rail by using the form of inflation and the like, so that the sliding block is supported by the air film, the friction force between the sliding block and the guide rail is reduced or even eliminated, the sliding precision is improved, and the particle pollution is reduced.
However, when the external air source supplies air, the stability of the supplied air is affected by the supplied air power, the air supply pipeline and the like, and if the supplied air power fluctuates or the air supply pipeline is bent, damaged, poor in connection sealing performance and the like, the stability of the supplied air can be affected, so that the stability of the air film between the sliding block and the guide rail is affected, and the stability of the sliding guide rail system is affected.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an air-floating motion platform to solve the technical problems of poor air supply stability and poor stability of a sliding guide rail system in the related art.
An air bearing motion platform, comprising:
a guide rail;
the sliding seat is arranged on the guide rail in a sliding mode, and an air supply gap is formed between the sliding seat and the guide rail;
the air passage structure comprises an air supply passage and a plurality of air outlet passages, wherein the air supply passage and the plurality of air outlet passages are arranged in the sliding seat, and the air outlet passages are communicated with the air supply passage and the air supply gap;
and the pressure regulating structure is arranged on the sliding seat and is communicated with the air supply channel.
In some embodiments, the pressure regulating structure includes a pressure regulating groove, the pressure regulating groove is opened on the outer surface of the sliding seat, and the pressure regulating groove is communicated with the air supply channel.
In some embodiments, the pressure regulating structure further includes a pressure regulating block, the pressure regulating block is embedded in the pressure regulating groove, and a communication hole is formed in the pressure regulating block and is communicated with the gas supply channel.
In some embodiments, the inner surface of the pressure regulating block is provided with a communication groove, and the communication groove is communicated with the communication hole and the gas supply channel.
In some embodiments, the pressure regulating structure further comprises a pressure regulating air tap, and the pressure regulating air tap is communicated with the communicating hole.
In some embodiments, the air-floating motion platform further comprises a pressure adjusting member, and the pressure adjusting member is connected with the pressure-adjusting air nozzle.
In some embodiments, the air passage structure further comprises an air inlet nozzle, and the air inlet nozzle is communicated with the air supply passage.
In some embodiments, the sliding seat includes a top plate and two side plates, the two side plates are connected to a bottom surface of the top plate, the top plate is located above the guide rail, the side plates are located on lateral sides of the guide rail, and the air channel structure and the pressure regulating structure are both arranged on the top plate and the side plates.
In some embodiments, the sliding seat further includes two bottom plates, the two bottom plates are respectively connected to bottom surfaces of the two side plates, and the bottom plate is located below the guide rail.
In some embodiments, the air floating motion platform further comprises a driving member, and the driving member is in driving connection with the sliding seat.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides an air supporting motion platform, outside air supply is towards air channel structure internal gas feed, gas is carried to a plurality of air off-take through the air feed way, in order to blow to the air feed clearance in, when the sliding seat slides on the guide rail, form the air film in the air feed clearance from the gas that the sliding seat internal surface blew off, frictional force when reducing the sliding block and sliding, the produced granule of friction also can be reduced or even eliminated simultaneously, sliding stability and cleanliness factor improve, in addition because the setting of pressure regulating structure, adjust structure and air feed way intercommunication, and adjust the atmospheric pressure in the air feed way, it is stable to maintain the atmospheric pressure in the air channel structure with this, and make the air film in the air feed clearance more stable, therefore the sliding seat can slide on the guide rail more steadily.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic illustration of an air bearing motion platform provided in an embodiment of the present disclosure;
FIG. 2 is a side view of a shoe and rail provided by an embodiment of the present application;
FIG. 3 is a schematic view of a shoe and rail provided by an embodiment of the present application;
FIG. 4 is a schematic view of another perspective of the sliding seat and the guide rail provided by the embodiment of the present application;
FIG. 5 is a partial cross-sectional view of a side panel provided in an embodiment of the present application;
FIG. 6 is a partial cross-sectional view of a top plate provided in accordance with an embodiment of the present application;
fig. 7 is a partial exploded view of the sliding seat and the pressure adjusting structure provided in the embodiment of the present application;
fig. 8 is an enlarged view of fig. 7 at a.
In the figure: 1. a guide rail; 2. a sliding seat; 201. a top plate; 202. a side plate; 203. a base plate; 3. an air passage structure; 301. an air supply passage; 302. an air outlet channel; 303. an air inlet nozzle; 4. a pressure regulating structure; 401. a pressure regulating groove; 402. adjusting the pressure block; 4021. a communicating hole; 4022. a communicating groove; 403. a pressure regulating air tap; 5. a drive member; 6. a pedestal; 601. accommodating grooves; 7. an air supply gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an air supporting motion platform, it is through newly-increased pressure regulating structure to maintain the stability of air pressure in the air flue structure, reduce the influence of external factor to air pressure in the air flue structure, and improve the stability of the air film that forms between sliding seat and the guide rail, make the sliding seat slide on the guide rail more steadily, the poor technical problem of stability of air feed poor stability, sliding guide system among the correlation technique is solved in this application.
Referring to fig. 1, the air-floating motion platform comprises a platform body, a driving part 5, a guide rail 1 and a sliding seat 2.
Referring to fig. 1, a guide rail 1 is fixed on a table body by bolts, and a length direction of the guide rail 1 is arranged along a first direction, which is a Y-axis direction in the figure. In this embodiment, the number of the guide rails 1 is two, and the two guide rails 1 are arranged at intervals in the second direction, which is the X-axis direction in the figure. In other embodiments, the number of the guide rails 1 may be one or more.
Referring to fig. 1, 2 and 3, the sliding seat 2 is slidably disposed on the guide rail 1, and an air supply gap 7 is formed between the sliding seat 2 and the guide rail 1. The sliding seat 2 includes a top plate 201 and two side plates 202, and the two side plates 202 are arranged at intervals and fixed to the top plate 201 through bolts. In this embodiment, the two guide rails 1 are located between the two side plates 202, the two side plates 202 are located on the side where the two guide rails 1 deviate from each other, and an air supply gap 7 is formed between the side plates 202 and the side surfaces of the guide rails 1. The top plate 201 is located above the two guide rails 1, and an air supply gap 7 is formed between the top plate 201 and the top surfaces of the guide rails 1. In other embodiments, when the number of the guide rails 1 is one, the two side plates 202 of the sliding seat 2 are respectively located at two opposite sides of the guide rails 1. Further, a plurality of guide rails 1 may also be provided, and correspondingly, the number of side plates 202 may increase with the number of guide rails 1, such that each guide rail 1 forms an air supply gap 7 with two side plates 202.
Referring to fig. 1, the driving member 5 includes a screw, a linear motor or a cylinder, and in the present embodiment, the driving member 5 includes a linear motor. The linear motor is located between the two guide rails 1, a stator part of the linear motor is fixed on the pedestal 6 through a bolt, and a rotor part of the linear motor is connected with the top plate 201 through a bolt, so that the linear motor drives the sliding seat 2 to slide on the guide rails 1 along the first direction.
Referring to fig. 1, 2 and 5, the air-floating motion platform further comprises an air channel structure 3, wherein the air channel structure 3 comprises air supply channels 301 and air outlet channels 302, and the number of the air supply channels 301 and the number of the air outlet channels 302 are provided in a plurality. The air supply passage 301 and the air discharge passage 302 are both opened in the slide base 2. In this embodiment, the air supply passage 301 is opened in the top plate 201 and the side plate 202, and the longitudinal direction of the air supply passage 301 is arranged in the first direction. The gas supply gap 7 is also opened in the top plate 201 and the side plate 202 by gas discharge channels 302, and the gas supply gap 7 is blown by the gas discharge channels 302 through the gas supply channels 301 by communicating the gas supply channels 301 with the gas supply gap 7. In this embodiment, the number of the gas supply channels 301 is multiple, preferably, referring to fig. 5, two gas supply channels 301 are provided on each side plate 202, the two gas supply channels 301 are arranged in parallel, each gas supply channel 301 is communicated with a plurality of gas outlet channels 302, the plurality of gas outlet channels 302 are uniformly distributed in the first direction at intervals, so that gas can be uniformly supplied into the gas supply gap 7 through the plurality of gas outlet channels 302, a gas film formed after the gas enters the gas supply gap 7 is more stable, the side plate 202 does not contact with the guide rail 1 under the action of the gas film in the gas supply gap 7, and friction in the sliding process of the sliding seat 2 is eliminated.
Referring to fig. 1 and 2, in the present embodiment, the top plate 201 is located above the two guide rails 1, and the top plate 201 and the top surfaces of the two guide rails 1 form the air supply gap 7, preferably, a plurality of air supply channels 301 are provided on the top plate 201, the plurality of air supply channels 301 are uniformly divided into two groups, and the two groups of air supply channels 301 are respectively provided corresponding to the two guide rails 1. Preferably, referring to fig. 6, four air supply channels 301 are provided on the top plate 201, the four air supply channels 301 are provided in pairs corresponding to the two guide rails 1, and similarly, each air supply channel 301 is communicated with a plurality of air outlet channels 302 to supply air to the air supply gap 7 between the top plate 201 and the top surfaces of the guide rails 1 through the air outlet channels 302, an air film formed between the top plate 201 and the top surfaces of the guide rails 1 is more uniform and stable, and the top plate 201 is supported through the air film between the top plate 201 and the top surfaces of the guide rails 1, so that friction between the top plate 201 and the guide rails 1 is avoided.
Referring to fig. 3 and 4, further, the gas supply channel 301 is in a penetrating shape, after an external gas source is communicated with the gas supply channel 301, a part of gas entering the gas supply channel 301 is blown to the gas supply gap 7 from the gas outlet channel 302 to form a gas film, and a part of gas entering the gas supply channel 301 directly leaves the gas supply channel 301, so that the gas entering the gas outlet channel 302 is not easy to have too large pressure due to too large gas supply power, the pressure of the gas entering the gas supply gap 7 is not too large, and the stability of the gas film in the gas supply gap 7 is improved.
Referring to fig. 1 to 4, the air duct structure 3 further includes an air inlet nozzle 303, and the air inlet nozzle 303 is communicated with one end of the air supply passage 301 to facilitate communication between an external air source and the air supply passage 301.
Referring to fig. 1 to 4, the sliding seat 2 further includes two bottom plates 203, and the two bottom plates 203 are respectively connected to the two side plates 202 by bolts. The two bottom plates 203 are respectively disposed below the two guide rails 1. In this embodiment, because the guide rail 1 is installed on the top surface of the stage body, for accommodating the bottom plate 203 of the sliding seat 2, two accommodating grooves 601 are opened on the top surface of the stage body, the length direction of the accommodating grooves 601 is arranged along the first direction, and when the sliding seat 2 slides along the first direction, the two bottom plates 203 slide in the two accommodating grooves 601 respectively. Further, in order to eliminate the friction between the bottom plate 203 and the groove walls and the groove bottoms of the accommodating grooves 601, a gap is left between the bottom plate 203 and the groove walls and the groove bottoms of the accommodating grooves 601.
When an external air source supplies air to the air supply channel 301, air films are formed in the air supply gaps 7 between the top plate 201 and the side plate 202 of the sliding seat 2 and the guide rail 1, the air films formed on the top plate 201 and the top surface of the guide rail 1 support the sliding seat 2, and the gravity of the sliding seat 2 is balanced, so that the sliding seat 2 is in a suspension state, and meanwhile, acting force cannot be generated between the bottom plate 203 and the bottom surface of the guide rail 1, and friction does not occur. When the air supply power of the external air source is too large, the supporting force of the air between the top plate 201 and the top surface of the guide rail 1 to the sliding seat 2 is greater than the gravity of the sliding seat 2, and the sliding seat 2 is limited to be separated from the guide rail 1 due to the existence of the bottom plate 203.
Referring to fig. 1, 7 and 8, the air floating platform further includes a pressure adjusting structure 4, wherein the pressure adjusting structure 4 is disposed on the sliding seat 2 and is communicated with the air supply channel 301 to maintain the air pressure balance in the air supply channel 301, so as to balance the air pressure entering the air supply gap 7 from the air outlet channel 302, and thus the sliding seat 2 can stably slide on the guide rail 1.
Referring to fig. 7 and 8, the pressure regulating structure 4 includes a pressure regulating groove 401, in this embodiment, the top plate 201 and the side plate 202 are both provided with air supply channels 301, the outer surfaces of the top plate 201 and the side plate 202 are both provided with pressure regulating grooves 401, wherein one pressure regulating groove 401 is provided on the side plate 202, and the pressure regulating groove 401 is communicated with the plurality of air supply channels 301 on the side plate 202. Two pressure regulating grooves 401 are arranged on the top plate 201, and each group of air supply channels 301 on the top plate 201 are communicated through the pressure regulating grooves 401. In another embodiment, only one pressure-regulating groove 401 may be provided in the top plate 201, and the one pressure-regulating groove 401 may communicate with all the gas supply passages 301 in the top plate 201. The pressure regulating groove 401 is provided to discharge the gas in the gas supply passage 301 to reduce the pressure of the gas in the gas supply passage 301, or to supply the gas into the gas supply passage 301 by an external gas source to increase the pressure of the gas in the gas supply passage 301, thereby maintaining the pressure in the gas supply passage 301 in a balanced state.
Referring to fig. 7 and 8, the pressure regulating structure 4 further includes a pressure regulating block 402, the pressure regulating block 402 is embedded in the pressure regulating groove 401, and the pressure regulating block 402 is fixed in the pressure regulating groove 401 by bolts. The pressure regulating block 402 has a communication hole 4021, and the communication hole 4021 communicates with the gas supply passage 301, so that the gas in the gas supply passage 301 is discharged through the communication hole 4021 or the gas is introduced into the gas supply passage 301 through the communication hole 4021. Further, the pressure regulating structure 4 further comprises a pressure regulating air tap 403, and the pressure regulating air tap 403 is communicated with the communicating hole 4021 so as to control air discharge and inflation.
Referring to fig. 7 and 8, in some embodiments, the number of the communication holes 4021 may be correspondingly set according to the number of the gas supply passages 301. In this embodiment, the communicating groove 4022 is formed in the inner surface of the pressure adjusting block 402, the communicating groove 4022 can communicate with the plurality of air supply passages 301 at the same time, and the communicating hole 4021 communicates with the communicating groove 4022, so that the communicating hole 4021 communicates with the plurality of air supply passages 301 through the communicating groove 4022, thereby simplifying the structure and facilitating the simultaneous exhausting or inflating of the plurality of air supply passages 301 through the communicating hole 4021.
Further, the air-floating platform further comprises a pressure adjusting member, wherein the pressure adjusting member comprises a throttle valve, a pressure regulating valve or an air pressure sensor, and the pressure adjusting member is connected with the pressure regulating nozzle 403, so as to maintain the air pressure balance in the air supply channel 301 in real time, and improve the stability of an air film in the air supply gap 7 between the sliding seat 2 and the guide rail 1, so that the sliding seat 2 slides on the guide rail 1 more stably.
The embodiment of the application provides an air supporting motion platform, outside air supply air feed towards air flue structure 3 in, gaseous through air feed way 301 and carry a plurality of gas off-take 302, in order to blow to air feed clearance 7, when sliding seat 2 slides on guide rail 1, the gaseous air film that forms in air feed clearance 7 of the internal surface of follow sliding seat 2 blew out, frictional force when reducing the sliding block and sliding, also can reduce or even eliminate the produced granule of friction simultaneously, improve slip stability and cleanliness factor, in addition because pressure regulating structure 4's setting, adjust structure and air feed way 301 intercommunication, and adjust the atmospheric pressure in the air feed way 301, it is stable with this atmospheric pressure that maintains in the air flue structure 3, and make the air film in the air feed clearance 7 more stable, therefore sliding seat 2 can slide on guide rail 1 more steadily.
In the description of the present application, it is to be understood that the forward direction of "X" in the drawings represents the right direction, and correspondingly, the reverse direction of "X" represents the left direction; the forward direction of "Y" represents forward, and correspondingly, the reverse direction of "Y" represents rearward; the terms "X", "Y", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings of the specification, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An air-bearing motion platform, comprising:
a guide rail;
the sliding seat is arranged on the guide rail in a sliding mode, and an air supply gap is formed between the sliding seat and the guide rail;
the air passage structure comprises an air supply passage and a plurality of air outlet passages which are arranged in the sliding seat, and the air outlet passages are communicated with the air supply passage and the air supply gap;
and the pressure regulating structure is arranged on the sliding seat and is communicated with the air supply channel.
2. The air-floating motion platform as claimed in claim 1, wherein the pressure-regulating structure comprises a pressure-regulating groove, the pressure-regulating groove is formed in an outer surface of the sliding seat, and the pressure-regulating groove is communicated with the air supply passage.
3. The air-floating motion platform as claimed in claim 2, wherein the pressure-regulating structure further comprises a pressure-regulating block embedded in the pressure-regulating groove, and the pressure-regulating block is provided with a communication hole communicated with the air supply channel.
4. The air-bearing moving platform as claimed in claim 3, wherein the inner surface of the pressure regulating block is provided with a communicating groove, and the communicating groove communicates the communicating hole and the air supply passage.
5. The air-floating motion platform according to claim 3 or 4, wherein the pressure adjusting structure further comprises a pressure adjusting nozzle, and the pressure adjusting nozzle is communicated with the communication hole.
6. The air thrust motion platform of claim 5, further comprising a pressure adjustment member coupled to said pressure adjustment nozzle.
7. The air motion platform as recited in claim 1, wherein the air passage structure further comprises an air inlet nozzle in communication with the air supply passage.
8. The air-floating motion platform as claimed in claim 1, wherein the sliding seat comprises a top plate and two side plates, the two side plates are connected to the bottom surface of the top plate, the top plate is located above the guide rail, the side plates are located at the sides of the guide rail, and the air passage structure and the pressure regulating structure are arranged on the top plate and the side plates.
9. The air floating motion platform as claimed in claim 8, wherein the sliding seat further comprises two bottom plates, the two bottom plates are respectively connected to bottom surfaces of the two side plates, and the bottom plates are located below the guide rails.
10. The air thrust motion platform as claimed in claim 1, further comprising a drive member drivingly connected to said slider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220402045.1U CN217452969U (en) | 2022-02-24 | 2022-02-24 | Air-float motion platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220402045.1U CN217452969U (en) | 2022-02-24 | 2022-02-24 | Air-float motion platform |
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| CN217452969U true CN217452969U (en) | 2022-09-20 |
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| CN202220402045.1U Active CN217452969U (en) | 2022-02-24 | 2022-02-24 | Air-float motion platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608208A (en) * | 2023-06-21 | 2023-08-18 | 苏州速易德工业装备***有限公司 | High-precision air-float guide rail |
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2022
- 2022-02-24 CN CN202220402045.1U patent/CN217452969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608208A (en) * | 2023-06-21 | 2023-08-18 | 苏州速易德工业装备***有限公司 | High-precision air-float guide rail |
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