CN110000570A - A kind of air-float guide rail of diamond-shaped configuration - Google Patents
A kind of air-float guide rail of diamond-shaped configuration Download PDFInfo
- Publication number
- CN110000570A CN110000570A CN201910384882.9A CN201910384882A CN110000570A CN 110000570 A CN110000570 A CN 110000570A CN 201910384882 A CN201910384882 A CN 201910384882A CN 110000570 A CN110000570 A CN 110000570A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- slide carriage
- diamond
- air
- linear motor
- 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.)
- Pending
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- 229910003460 diamond Inorganic materials 0.000 claims abstract description 12
- 239000010432 diamond Substances 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/017—Arrangements of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/38—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The present invention relates to a kind of air-float guide rails of diamond-shaped configuration, including guide rail body, slide carriage and linear motor；The slide carriage is equipped with throttle orifice, and slide carriage includes upper slide carriage and two side slide carriages, and the both ends of the upper slide carriage are connected with one end of two side slide carriages respectively, and the other end of the side slide carriage is inclined-plane, and inclined-plane matches fixation with the bottom surface corresponding position of guide rail body；The space that the slide carriage is formed is in class diamond shape；The guide rail body and linear motor are arranged in slide carriage inner space, and linear motor drives upper slide carriage movement.The configuration of the present invention is simple can be adjusted according to different device requirements, and the guide rail body design of class diamond shape reduces guide rail volume, whole height is reduced, processing cost is saved, increases static pressure area, the bearing capacity for improving guide rail, improves the rigidity of guide rail, has higher precision.
Description
Technical field
The present invention relates to Ultra-precision Turning apparatus field more particularly to a kind of air-float guide rails of diamond-shaped configuration.
Background technique
Requirement of the modern industry to product quality is higher and higher, and Ultraprecision Machining is the development side of Modern Manufacturing Technology
To super-precision machine tools are its important process equipments.Gas guide rail is widely used in guide rail in lathe, their friction system
Number is low, and it is the key device in ultra-precision machine tool that kinematic accuracy is high.Bearing capacity existing for air-float guide rail is low, machining accuracy is wanted
The problems such as high, rigidity is small is asked, is the key that solve at present, the reasonable guide rail structure form that designs helps to improve air-float guide rail
Comprehensive performance.
Summary of the invention
To solve existing technical problem, a kind of air-float guide rail of Ultraprecise approximating zero friction diamond-shaped configuration of the present invention reduces
Frictional force in motion process improves precision of rectilinear motion, and guide rail is designed using diamond shape, reduces the same of guide rail body geometric dimension
When, it is effectively increased air bearing and effective area, slide carriage is supported to reduce as caused by inertia only with upper slide carriage and two side slide carriages
Geometric error, compared to previous rectangle closed guideway under identical geometric dimension, vertically and horizontally rigidity can effectively improve 50%.
Particular content of the invention is as follows: including guide rail body, slide carriage and linear motor；The slide carriage is equipped with throttling
Hole, slide carriage include upper slide carriage and two side slide carriages, and the both ends of the upper slide carriage are connected with one end of two side slide carriages respectively, described
The other end of side slide carriage is inclined-plane, and inclined-plane matches fixation with the bottom surface corresponding position of guide rail body；The space that the slide carriage is formed
In class diamond shape；The guide rail body and linear motor are arranged in slide carriage inner space, and linear motor drives upper slide carriage movement.
From throttle orifice can injecting compressed air, air film is formed between guide rail body and slide carriage, thus by guide rail body
It is separated with slide carriage, due to contactless between slide carriage and guide rail body, it is smooth to guarantee that guide rail has close to zero for frictional force when sliding
Sliding effect, improve positioning accuracy and Steady speed；Guide rail body is designed using diamond shape, reduces guide rail volume, is reduced
Whole height, slide carriage mitigates guide rail weight only with upper slide carriage and two side slide carriages, and has very high rigidity.
Further, the top of the guide rail body is equipped with groove, and the linear motor is arranged in groove, linear motor
Stator be connected by stator attachment base with the inner wall of groove.
Further, the linear motor includes stator and mover, and mover is arranged in the stator, and mover is fixed by mover
Plate is connected with upper slide carriage.There is no any actuated element between the rotor and stator of linear motor, eliminates actuated element generation
Frictional force realizes nearly zero frictional drive, greatly improves the kinematic accuracy of air-float guide rail.Linear motor is arranged recessed simultaneously
In slot, space is on the one hand saved, on the other hand since the top of guide rail body is arranged in groove, so that guide rail is easy to make.
Further, the upper end of the groove extends to both sides is equipped with first step portion, corresponding in the lower end surface of upper slide carriage
Position is equipped with second step portion, and the bottom surface in second step portion is arranged in mover fixed plate one end, and the other end is connected with mover
Further, linear motor is horizontally or vertically placed in guide rail body.Motor may be selected to be horizontally or vertically placed.
Further, the section of the guide rail body includes the trapezoidal portions of intermediate rectangle part and both ends, described to slip
The inner surface of plate is parallel with the outer surface of corresponding guide rail body respectively.The design of class diamond shape and general rectangular design
It compares, so that the static pressure area between guide rail and slide carriage increases, to reduce the height of guide rail, has saved processing cost.
Further, the throttle orifice is arranged on the inclined-plane of side slide carriage and vertical with inclined-plane.
Further, the throttling well format include but is not limited to orifice restriction, it is ring restrictor, slit throttling, porous
One of matter throttling, capillary-compensated are a variety of.Need may be selected suitable class of throttle orifice according to specific.
Beneficial effects of the present invention: contactless between slide carriage and guide rail body, frictional force guarantees to lead close to zero when sliding
Rail has smooth sliding effect, improves positioning accuracy and Steady speed；Guide rail body is designed using class diamond shape, is reduced and is led
Rail volume reduces whole height, saves processing cost, increases static pressure area, improves the bearing capacity of guide rail, and the present invention
Air-float guide rail has high rigidity；Slide carriage is directly driven using linear motor, without appointing between the rotor and stator of linear motor
What actuated element eliminates the frictional force of actuated element generation, so that the kinematic accuracy of air-float guide rail greatly improves；Static pressure air film
With homogenization, guide rail can do the linear motion of ultraprecise class precision；The configuration of the present invention is simple, service precision is high, can root
It is adjusted according to different device requirements.
Detailed description of the invention
A specific embodiment of the invention is furtherd elucidate with reference to the accompanying drawing.
Fig. 1 is the overall structure cross-sectional view of the air-float guide rail of diamond-shaped configuration of the invention.
Specific embodiment
In conjunction with Fig. 1, a kind of air-float guide rail of diamond-shaped configuration of the invention, including guide rail body 1, slide carriage and linear motor 4；
The slide carriage is equipped with throttle orifice 71, and slide carriage includes upper slide carriage 3 and two side slide carriages 7, and the both ends of the upper slide carriage 3 are respectively with two
One end of a side slide carriage 7 is connected, and the other end of the side slide carriage 7 is inclined-plane, the bottom surface corresponding position matching on inclined-plane and guide rail body 1
It closes and fixes；The space that the slide carriage is formed assumes diamond in shape；The guide rail body 1 and linear motor 4 are arranged in slide carriage inner space,
Linear motor 4 drives upper slide carriage movement.
From throttle orifice 71 can injecting compressed air, air film is formed between guide rail body 1 and slide carriage, thus by guide rail sheet
Body 1 is separated with slide carriage, and due to contactless between slide carriage and guide rail body 1, frictional force guarantees that guide rail has close to zero when sliding
Smooth sliding effect improves positioning accuracy and Steady speed；Guide rail body 1 is designed using class diamond shape, reduces guide rail
Product reduces whole height, saves processing cost, increases static pressure area, improve the bearing capacity of guide rail, and air bearing of the present invention
Guide rail has high rigidity.
The present embodiment is preferred, and the top of guide rail body 1 is equipped with groove 5, and linear motor 4 is arranged in groove 5, straight-line electric
The stator of machine 4 is connected by stator attachment base 2 with the inner wall of groove 5.
The present embodiment is preferred, and linear motor 4 includes stator and mover, and mover is arranged in the stator, and mover passes through mover
Fixed plate 6 is connected with upper slide carriage 3.There is no any actuated element between the rotor and stator of linear motor 4, eliminates actuated element
The frictional force of generation realizes nearly zero frictional drive, greatly improves the kinematic accuracy of air-float guide rail.Simultaneously by linear motor 4
It is arranged in groove 5, space is on the one hand saved, on the other hand since the top of guide rail body 1 is arranged in groove 5, so that guide rail
It is easy to make.
The present embodiment is preferred, and the upper end of groove 5 extends to both sides is equipped with first step portion, in the lower end surface of upper slide carriage 3
Corresponding position is equipped with second step portion, and the bottom surface in second step portion, the other end and mover phase is arranged in 6 one end of mover fixed plate
Even, motor may be selected to be horizontally or vertically placed.
The present embodiment is preferred, and linear motor 4 is horizontally or vertically placed in guide rail body 1
It is driven effect to be promoted, is also equipped on the top of guide rail body 1 with the middle position of upper 3 bottom end of slide carriage corresponding
Preformed groove, the both sides on 5 top of groove are separately positioned on positioned at the preformed groove of guide rail body 1, and mover fixed plate 6 is T-shaped.Mover is solid
The top of fixed board 6T type part is in contact with upper slide carriage 3, and bottom end is in contact with mover.The top of mover fixed plate 6 is arranged upper
The reserved trench bottom and T character segment of slide carriage 3 stretch out 5 edge of groove.
The present embodiment is preferred, and the section of guide rail body 1 includes the trapezoidal portions of intermediate rectangle part and both ends, slide carriage
Inner surface it is parallel with the outer surface of corresponding guide rail body 1 respectively.The design of class diamond shape and general rectangular design
It compares, so that the static pressure area between guide rail and slide carriage increases, to reduce the height of guide rail, has saved processing cost.Slide carriage
Inside form the space of class diamond shape, external generally rectangle, to form this structure, the upper slide carriage in the present embodiment is plate
The structure of formula, side slide carriage 7 are the trapezoidal structure of inside cross-sectional.
The present embodiment is preferred, and throttle orifice 71 is arranged on the inclined-plane of side slide carriage and vertical with inclined-plane.
The present embodiment is preferred, 71 form of throttle orifice include but is not limited to orifice restriction, ring restrictor, slit throttling,
One of porous restriction, capillary-compensated are a variety of.Need may be selected suitable class of throttle orifice 71 according to specific.
The air-float guide rail bearing capacity of similar diamond-shaped configuration of the invention is W=CS (PS-PA), wherein W is bearing capacity,
C is correction factor, and S is the area of air film, PSFor supply gas pressure, PAFor the air pressure of use environment；Static rigidity is K=2.88 (W/
h0), wherein K is rigidity, and W is bearing capacity, h0For air-film thickness.
As shown in Figure 1, of the invention be passed through compressed air to throttle orifice 71, formed between upper slide carriage 3 and guide rail body 1
Static pressure air film A, between side slide carriage 7 and guide rail body 1 formed static pressure air film B, make entire slide carriage by air film A, B support suspension in
It in guide rail body 1, is separated between slide carriage and guide rail body 1 by air film, thus to the geometric error of slide carriage and guide rail body 1
Homogenization is played, the geometric error of slide carriage and guide rail body 1 itself will not be directly reflected into the geometry fortune of guide track system
It moves up, substantially increases the precision of rectilinear motion of guide rail.Guide rail body 1 is reduced and is led using the rhomboid configuration design of class
The overall volume of rail reduces whole height and width, and increases the area of static pressure air film, improves the carrying of guide rail
Ability.The present invention drives slide carriage using linear motor 4, generates frictional force without intermediate transmission system, has been achieved nearly zero and has rubbed
Wipe the guide track system of transmission.
Many details are elaborated in the above description to fully understand the present invention.But above description is only
Presently preferred embodiments of the present invention, the invention can be embodied in many other ways as described herein, therefore this
Invention is not limited by specific implementation disclosed above.Any those skilled in the art are not departing from the technology of the present invention simultaneously
In the case of aspects, all technical solution of the present invention is made using the methods and technical content of the disclosure above many possible
Changes and modifications or equivalent example modified to equivalent change.Anything that does not depart from the technical scheme of the invention, according to this
The technical spirit of invention any simple modifications, equivalents, and modifications made to the above embodiment, still fall within skill of the present invention
In the range of the protection of art scheme.
Claims (8)
1. a kind of air-float guide rail of diamond-shaped configuration, it is characterised in that: including guide rail body, slide carriage and linear motor；The slide carriage
Be equipped with throttle orifice, slide carriage includes upper slide carriage and two side slide carriages, the both ends of the upper slide carriage respectively with two side slide carriages one
End is connected, and the other end of the side slide carriage is inclined-plane, and inclined-plane matches fixation with the bottom surface corresponding position of guide rail body；The slide carriage
The space of formation is in class diamond shape；The guide rail body and linear motor are arranged in slide carriage inner space, in linear motor driving
Slide carriage movement.
2. the air-float guide rail of diamond-shaped configuration according to claim 1, it is characterised in that: the top of the guide rail body is equipped with
Groove, the linear motor are arranged in groove, and the stator of linear motor is connected by stator attachment base with the inner wall of groove.
3. the air-float guide rail of diamond-shaped configuration according to claim 2, it is characterised in that: the linear motor include stator and
Mover, mover are arranged in the stator, and mover is connected by mover fixed plate with upper slide carriage.
4. the air-float guide rail of diamond-shaped configuration according to claim 2, it is characterised in that: prolong to both sides the upper end of the groove
It stretches and is equipped with first step portion, be equipped with second step portion in the lower end surface corresponding position of upper slide carriage, mover fixed plate one end is set
The bottom surface in second step portion is set, the other end is connected with mover.
5. the air-float guide rail of diamond-shaped configuration according to claim 1, it is characterised in that: linear motor is horizontally or vertically placed
In in guide rail body.
6. the air-float guide rail of diamond-shaped configuration according to claim 1, it is characterised in that: the section of the guide rail body includes
The trapezoidal portions of intermediate rectangle part and both ends, the inner surface of the slide carriage respectively with the outside table of corresponding guide rail body
Face is parallel.
7. the air-float guide rail of diamond-shaped configuration according to claim 1, it is characterised in that: the throttle orifice is arranged in side slide carriage
Inclined-plane on and it is vertical with inclined-plane.
8. the air-float guide rail of diamond-shaped configuration according to claim 1, it is characterised in that: the throttling well format includes but not
It is confined to one of orifice restriction, ring restrictor, slit throttling, porous restriction, capillary-compensated or a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384882.9A CN110000570A (en) | 2019-05-09 | 2019-05-09 | A kind of air-float guide rail of diamond-shaped configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384882.9A CN110000570A (en) | 2019-05-09 | 2019-05-09 | A kind of air-float guide rail of diamond-shaped configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110000570A true CN110000570A (en) | 2019-07-12 |
Family
ID=67176333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910384882.9A Pending CN110000570A (en) | 2019-05-09 | 2019-05-09 | A kind of air-float guide rail of diamond-shaped configuration |
Country Status (1)
| Country | Link |
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| CN (1) | CN110000570A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503092A (en) * | 2020-11-25 | 2021-03-16 | 姜堰经济开发区科创中心 | Three-side guiding hydrostatic ultra-precise guide rail |
| CN113833765A (en) * | 2021-10-14 | 2021-12-24 | 江苏集萃精凯高端装备技术有限公司 | Air supporting guide rail with adjustable rigidity |
| CN114918440A (en) * | 2022-06-24 | 2022-08-19 | 哈尔滨工业大学（威海） | High-rigidity roller die ultra-precise single-point diamond machine tool |
| TWI813477B (en) * | 2022-10-19 | 2023-08-21 | 東佑達奈米系統股份有限公司 | Air floatation rail device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503092A (en) * | 2020-11-25 | 2021-03-16 | 姜堰经济开发区科创中心 | Three-side guiding hydrostatic ultra-precise guide rail |
| CN113833765A (en) * | 2021-10-14 | 2021-12-24 | 江苏集萃精凯高端装备技术有限公司 | Air supporting guide rail with adjustable rigidity |
| CN113833765B (en) * | 2021-10-14 | 2024-02-06 | 江苏集萃精凯高端装备技术有限公司 | Rigidity-adjustable air-float guide rail |
| CN114918440A (en) * | 2022-06-24 | 2022-08-19 | 哈尔滨工业大学（威海） | High-rigidity roller die ultra-precise single-point diamond machine tool |
| TWI813477B (en) * | 2022-10-19 | 2023-08-21 | 東佑達奈米系統股份有限公司 | Air floatation rail device |
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Application publication date: 20190712 |