CN105500032B - Vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform - Google Patents
Vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform Download PDFInfo
- Publication number
- CN105500032B CN105500032B CN201610001839.6A CN201610001839A CN105500032B CN 105500032 B CN105500032 B CN 105500032B CN 201610001839 A CN201610001839 A CN 201610001839A CN 105500032 B CN105500032 B CN 105500032B
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- CN
- China
- Prior art keywords
- magnetic suspension
- platform
- motion platform
- lower floor
- pedestal
- 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.)
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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
- B23Q1/25—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
- B23Q1/30—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 controlled in conjunction with the feed mechanism
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
Abstract
A kind of vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform, it is characterised in that：Described magnetic suspension movement platform includes motion platform, pedestal, controllable excitation linear synchronized motor, suspension control system and kinetic control system；It changes electromagnetic push by adjusting the electric current of armature winding；Magnetic suspension force is the unilateral magnetic force produced between excitation pole on stator and the mover core of linear synchronized motor, magnetic suspension force is adjusted by adjusting exciting current, motion platform is run by the magnetic suspension force of two motors itself generation, the ability with direct self-suspending.
Description
Technical field
It is more particularly to a kind of to be used for vertical machining centre controllable excitation Linear Synchronous the present invention relates to a kind of motion platform
Motor magnetic suspension movement platform, belongs to fields of numeric control technique.
Background technology
Friction be influence vertical machining centre machining accuracy important factor, be also cause abrasion, generation noise because
Element, therefore, friction is reduced or eliminated turns into the technical bottleneck of restriction vertical machining centre linear motion platform performance.Traditional
Driven more than vertical machining centre linear motion platform using servomotor, precision ball screw transmission and rail plate support,
In High-speed machining in the presence of serious mechanical friction, elastic deformation, dust etc. are easily produced, the precision of machining center is had a strong impact on
With the life-span of lathe.Therefore, in the urgent need to inventing a kind of novel magnetically levitated motion platform.
The content of the invention
Goal of the invention：
The present invention provides a kind of vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform, its purpose
It is to solve the friction problem that existing vertical machining centre motion platform exists in process.
Technical scheme：
A kind of vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform, it is characterised in that：It is described
Magnetic suspension movement platform include motion platform, pedestal, controllable excitation linear synchronized motor, suspension control system and motion control
System processed；The mover iron that controllable excitation linear synchronized motor includes stator core and performed relative motion when using with stator core
The heart；Exciting Windings for Transverse Differential Protection is provided with stator core；Armature winding is provided with mover core；At four angles of motion platform
Four automatic leveling electromagnet are provided below auxiliary guide rail and long grating sensor are provided with pedestal；Motion platform passes through
Auxiliary guide rail is connected with pedestal, and motion platform suspends relative to pedestal when using；Stator core is arranged on below pedestal, mover
Unshakable in one's determination corresponding with stator core, stator core is connected with motion platform；Suspension control system and kinetic control system are controlled respectively
The suspension and feeding of motion platform.
Pedestal is arranged on Lower layer motion platform, and Lower layer motion platform is connected by lower floor's auxiliary guide rail with lower floor pedestal,
The long grating sensor of lower floor's auxiliary guide rail and lower floor is provided with lower floor's pedestal, lower floor's motion platform is relative to lower floor when using
Pedestal suspends；Lower floor's auxiliary guide rail is vertical with auxiliary guide rail length direction, and lower floor's stator core is arranged on below lower floor's pedestal,
Lower floor's mover core is corresponding with lower floor stator core, and lower floor's stator core is connected with Lower layer motion platform；Lower floor, which suspends, controls system
System and Lower layer motion control system control the suspension and feeding of Lower layer motion platform respectively.
Lower layer motion platform is also equipped with four automatic leveling electromagnet under four angles, when motion platform or Lower layer motion are flat
Automatic leveling electromagnet does not work when platform level run, and its exciting current is zero；Only when motion platform is tilted
When, just there is exciting current in automatic leveling electromagnet, play a part of making plateau levels, and the motion suspended with electromagnet
Exciting current is connected with all the time in platform or Lower layer motion platform, electromagnet.
By adjusting the exciting current of linear motor, to change magnetic suspension force, so as to control motion platform Vertical Square
To magnetic suspension height, realize the direct magnetic suspension of motion platform.
The magnetic pole for driving the controllable excitation linear synchronized motor of magnetic suspension movement platform is both excitation pole, is also simultaneously
Suspension magnetic pole, the direct regulation in magnetic field is realized by adjusting exciting current.
Magnetic suspension movement platform is electronic by being installed in parallel in two identical controllable excitation Linear Synchronous below pedestal
Machine drives jointly, by adjusting the armature supply of linear motor, to change electromagnetic push, realizes direct drive.
Lower floor's magnetic suspension movement platform is two identical controllable excitation straight lines by being installed in parallel in below lower floor's pedestal
Synchronous motor drives jointly, by adjusting the armature supply of linear motor, to change electromagnetic push, realizes and directly drives
It is dynamic.
Current vortex sensor is provided with the motion platform.
Advantage and effect
The present invention is a kind of vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform, specific advantage
Effect is as follows:
1st, the horizontal movement and magnetic suspension of magnetic suspension movement platform are common by two controllable excitation linear synchronized motors
Complete, adjust suspending power by adjusting exciting current, electromagnetic push is adjusted by adjusting armature supply.Platform structure letter
Single, reliability is high, eliminates ball-screw-transmission chain, realizes direct drive.
2nd, four automatic leveling electromagnet are provided with below each four angles of automatic leveling magnetic suspension movement platform, work as fortune
During moving platform level run, automatic leveling magnet does not work, and its exciting current is zero.Only when motion platform is tilted
When, just there is exciting current in automatic leveling electromagnet, play a part of making plateau levels, such a working method both saves electric energy,
It can guarantee that motion platform level run again simultaneously.And the motion platform suspended with electromagnet, in order to maintain the suspension of platform,
All the time larger exciting current is connected with electromagnet.
3rd, vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform, by adjusting two straight-line electrics
The exciting current of motivation, to change magnetic suspension force, so as to control the magnetic suspension height of motion platform vertical direction, realizes motion
The direct magnetic suspension of platform.
4th, vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform, drives magnetic suspension movement platform
The magnetic pole of controllable excitation linear synchronized motor be both excitation pole, while being also suspension magnetic pole, by adjusting exciting current
Realize the direct regulation in magnetic field.With permanent magnet linear synchronous motor compared with electromagnet multi-point support magnetic suspension platform, overcome
Breath magnetic field is difficult to the shortcoming adjusted.
5th, with permanent magnet linear synchronous motor compared with electromagnet multi-point support magnetic suspension movement platform, multi-point support electricity
Magnet will not only suspend motion platform and its load, and overcome permanent magnet and stator iron in permanent magnet linear synchronous motor
Very big unilateral magnetic force between the heart, therefore, electromagnet capacity is very big, has both needed very big exciting current, needs again a lot
Iron-core lamination so that levitating electromagnet is sufficiently bulky, it is necessary to consume more electric energy.
6th, linear motion platform is arranged on the mover of controllable excitation linear synchronized motor, the guide rail of linear motion platform
It is also simultaneously linear synchronized motor auxiliary guide rail.
7th, the vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform of the invention, is encouraged using controllable
Magnetic linear synchronized motor drives, the characteristics of with being directly fed without friction, improves the precision and response speed of motion platform,
Eliminate creep and reversely dead band, thermal deformation, abrasion, noise and exempt from lubrication, improve the life-span of lathe.
Brief description of the drawings
Fig. 1：Vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform structure schematic diagram；
Fig. 2：Magnetic suspension movement platform upper mounting plate left view；
Fig. 3：Magnetic suspension movement platform upper mounting plate front view；
Label is described as follows in figure：
1. stator core；2. motion platform；3. pedestal；4. auxiliary guide rail；5. long grating sensor；6. Exciting Windings for Transverse Differential Protection；7.
Armature winding；8. current vortex sensor；9. leveling electromagnet；10. suspension control system；11. kinetic control system；12. mover
It is unshakable in one's determination.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings：
As illustrated, the present invention proposes a kind of vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement
Platform, described magnetic suspension movement platform includes motion platform 2, pedestal 3, controllable excitation linear synchronized motor, suspension control
System 10 and kinetic control system 11；With stator core 1 when controllable excitation linear synchronized motor includes stator core 1 and used
The mover core 12 performed relative motion；Exciting Windings for Transverse Differential Protection 6 is provided with stator core 1；Armature is provided with mover core 12
Winding 7；Auxiliary guide rail 4 and long grating sensor 5 are provided with pedestal；Motion platform 2 passes through auxiliary guide rail 4 and the phase of pedestal 3
Even, motion platform 2 suspends relative to pedestal 3 when using；Stator core 1 is arranged on below pedestal 3, mover core 12 and stator
1 correspondence unshakable in one's determination, stator core 1 is connected with motion platform 2；Suspension control system 10 and kinetic control system 11 control motion respectively
The suspension and feeding of platform.Exciting Windings for Transverse Differential Protection 6 can make mover core 12 do suspended motion relative to stator core 1；Described
Armature winding 7 is provided with mover core 12, armature winding 7 can make mover core 12 do straight line fortune relative to stator core 1
It is dynamic.
Suspend and feed mechanism be divided into above and below two layers, double-layer structure is essentially identical up and down, that is to say, that pedestal 3 is arranged on down
On layer motion platform, Lower layer motion platform is connected by lower floor's auxiliary guide rail with lower floor pedestal, under being provided with lower floor's pedestal
Layer auxiliary guide rail and the long grating sensor of lower floor, lower floor's motion platform suspends relative to lower floor's pedestal when using；Lower floor's auxiliary is led
Rail is vertical with the length direction of auxiliary guide rail 4, and lower floor's stator core is arranged on below lower floor's pedestal, lower floor's mover core and lower floor
Stator core correspondence, lower floor's stator core is connected with Lower layer motion platform；Lower floor's suspension control system and Lower layer motion control system
System controls the suspension and feeding of Lower layer motion platform respectively.
Motion platform and Lower layer motion platform have four automatic leveling electromagnet under four angles, are started shipment with motion platform one
It is dynamic.Automatic leveling electromagnet does not work when motion platform or Lower layer motion plateau levels are run, and its exciting current is
Zero；Only when motion platform is tilted, just there is exciting current in automatic leveling electromagnet, playing makes the work of plateau levels
With, and exciting current is connected with all the time in the motion platform or Lower layer motion platform suspended with electromagnet, electromagnet.
By adjusting the exciting current of linear motor, to change magnetic suspension force, so as to control motion platform Vertical Square
To magnetic suspension height, realize the direct magnetic suspension of motion platform.By adjusting the armature supply of two linear motors, to change
Become electromagnetic push, the suspension of automatic leveling magnetic suspension movement platform vertical direction and the feeding of horizontal direction are respectively by suspension control
System and kinetic control system control, so as to control the magnetic suspension of motion platform to run.
The magnetic pole for driving the controllable excitation linear synchronized motor of magnetic suspension movement platform is both excitation pole, is also simultaneously
Suspension magnetic pole, the direct regulation in magnetic field is realized by adjusting exciting current.
Magnetic suspension movement platform is electronic by being installed in parallel in two identical controllable excitation Linear Synchronous below pedestal
Machine is driven jointly, and the horizontal movement of motion platform and the suspension of vertical direction are ensured to produce bigger thrust.It is straight by regulation
The armature supply of line motor, to change electromagnetic push, realizes direct drive.
Lower floor's magnetic suspension movement platform is two identical controllable excitation straight lines by being installed in parallel in below lower floor's pedestal
Synchronous motor drives jointly, by adjusting the armature supply of linear motor, to change electromagnetic push, realizes and directly drives
It is dynamic.
Automatic leveling magnetic suspension movement platform is the magnetic suspension produced by two controllable excitation linear synchronized motors itself
Power suspends, with the ability directly suspended.
Current vortex sensor 8 is provided with the motion platform 2.
In the present invention after three-phase symmetrical sinusoidal current is passed through in armature winding 7, travelling-magnetic-field is produced in air gap.Should
The excitation field interaction that travelling-magnetic-field is produced with Exciting Windings for Transverse Differential Protection 6 produces electromagnetic push.
When motion platform and loads on platforms gross weight and magnetic pull it is equal in magnitude when platform be in suspended state,
Platform suspension height is controlled by suspension control system 10.
In summary, the motion of automatic leveling magnetic suspension movement plateau levels direction and the suspension of vertical direction of the invention,
Synchronously driven by the identical controllable excitation linear synchronized motor of two parallel installations, motion platform is directly installed on controllable encourage
On the mover of magnetic linear synchronized motor, the motion of platform is the tangential electric thrust by linear synchronized motor to realize.It is logical
The electric current of armature winding is overregulated to change electromagnetic push；Magnetic suspension force is excitation pole and linear synchronized motor on stator
Mover core between the unilateral magnetic force that produces, magnetic suspension force is adjusted by adjusting exciting current, motion platform relies on two
The magnetic suspension force that platform motor itself is produced is run, the ability with direct self-suspending.
Claims (6)
1. a kind of vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform, it is characterised in that：Described
Magnetic suspension movement platform includes motion platform（2）, pedestal（3）, controllable excitation linear synchronized motor, suspension control system（10）
And kinetic control system（11）；Controllable excitation linear synchronized motor includes stator core（1）With when using and stator core（1）
The mover core performed relative motion（12）；In stator core（1）Inside it is provided with Exciting Windings for Transverse Differential Protection（6）；In mover core（12）Inside set
It is equipped with armature winding（7）；Four automatic leveling electromagnet are provided with below four angles of motion platform（9）, on pedestal
It is provided with auxiliary guide rail（4）With long grating sensor（5）；Motion platform（2）Pass through auxiliary guide rail（4）With pedestal（3）It is connected, makes
Used time motion platform（2）Relative to pedestal（3）Suspend；Stator core（1）Installed in pedestal（3）Below, mover core（12）
With stator core（1）Correspondence, mover core（12）With motion platform（2）Connection；Suspension control system（10）With motion control system
System（11）The suspension and feeding of motion platform are controlled respectively；
Pedestal（3）It is arranged on Lower layer motion platform, Lower layer motion platform is connected by lower floor's auxiliary guide rail with lower floor pedestal,
The long grating sensor of lower floor's auxiliary guide rail and lower floor is provided with lower floor's pedestal, lower floor's motion platform is relative to lower floor's base when using
Seat suspends；Lower floor's auxiliary guide rail and auxiliary guide rail（4）Length direction is vertical, and lower floor's stator core is arranged under lower floor's pedestal
Face, lower floor's mover core is corresponding with lower floor stator core, and lower floor's mover core is connected with Lower layer motion platform；Lower floor, which suspends, to be controlled
System and Lower layer motion control system control the suspension and feeding of Lower layer motion platform respectively；
By adjusting the exciting current of linear motor, to change magnetic suspension force, so as to control motion platform vertical direction
Magnetic suspension height, realizes the direct magnetic suspension of motion platform.
2. vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform according to claim 1, its
It is characterised by：Lower layer motion platform is also equipped with four automatic leveling electromagnet under four angles, when motion platform or Lower layer motion
Automatic leveling electromagnet does not work when plateau levels are run, and its exciting current is zero；Only when motion platform inclines
Just there is exciting current when tiltedly, in automatic leveling electromagnet, play a part of making plateau levels, and the fortune suspended with electromagnet
Exciting current is connected with all the time in moving platform or Lower layer motion platform, electromagnet.
3. vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform according to claim 1, its
It is characterised by：The magnetic pole for driving the controllable excitation linear synchronized motor of magnetic suspension movement platform is both excitation pole, while
It is suspension magnetic pole, the direct regulation in magnetic field is realized by adjusting exciting current.
4. vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform according to claim 1, its
It is characterised by：Magnetic suspension movement platform is electronic by being installed in parallel in two identical controllable excitation Linear Synchronous below pedestal
Machine drives jointly, by adjusting the armature supply of linear motor, to change electromagnetic push, realizes direct drive.
5. vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform according to claim 1, its
It is characterised by：Lower floor's magnetic suspension movement platform is two identical controllable excitation straight lines by being installed in parallel in below lower floor's pedestal
Synchronous motor drives jointly, by adjusting the armature supply of linear motor, to change electromagnetic push, realizes and directly drives
It is dynamic.
6. vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform according to claim 1, its
It is characterised by：In the motion platform（2）On be provided with current vortex sensor（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001839.6A CN105500032B (en) | 2016-01-06 | 2016-01-06 | Vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001839.6A CN105500032B (en) | 2016-01-06 | 2016-01-06 | Vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform |
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| Publication Number | Publication Date |
|---|---|
| CN105500032A CN105500032A (en) | 2016-04-20 |
| CN105500032B true CN105500032B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610001839.6A Expired - Fee Related CN105500032B (en) | 2016-01-06 | 2016-01-06 | Vertical machining centre controllable excitation linear synchronized motor magnetic suspension movement platform |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524499B (en) * | 2019-09-27 | 2023-02-03 | 复旦大学 | Magnetic suspension guide rail motion platform |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005032818A (en) * | 2003-07-08 | 2005-02-03 | Canon Inc | Hydrostatic bearing, pointing device and aligner |
| CN201848722U (en) * | 2010-11-19 | 2011-06-01 | 沈阳工业大学 | Magnetic suspension feeding platform of long-stator hybrid excitation linear synchronous motor |
| CN201881156U (en) * | 2010-11-19 | 2011-06-29 | 沈阳工业大学 | Precise heavy machine tool magnetic levitation motion platform driven by bilinear synchronous motor |
| CN102476311A (en) * | 2010-11-22 | 2012-05-30 | 大连创达技术交易市场有限公司 | Magnetic suspension feeding platform for numerical control machine tool |
| CN202894434U (en) * | 2012-10-23 | 2013-04-24 | 郑焕伦 | Multi-control linkage numerical control machining device |
| CN205271430U (en) * | 2016-01-06 | 2016-06-01 | 沈阳工业大学 | Controllable excitation linear synchronized motor magnetic suspension motion platform of vertical machining center |
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| CN105500032A (en) | 2016-04-20 |
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