CN108809045A - High thrust rod-type linear motor - Google Patents
High thrust rod-type linear motor Download PDFInfo
- Publication number
- CN108809045A CN108809045A CN201811061130.0A CN201811061130A CN108809045A CN 108809045 A CN108809045 A CN 108809045A CN 201811061130 A CN201811061130 A CN 201811061130A CN 108809045 A CN108809045 A CN 108809045A
- Authority
- CN
- China
- Prior art keywords
- linear motor
- rod
- mover
- magnet steel
- stator
- 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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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000000819 phase cycle Methods 0.000 claims description 4
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000009826 distribution Methods 0.000 description 4
- 230000004992 fission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Linear Motors (AREA)
Abstract
This application involves a kind of high thrust rod-type linear motors, belong to techniques of linear motor field, and the high thrust rod-type linear motor includes：Stator yoke, the stator tooth being connect across the stator yoke and with the stator yoke interference, the rod-shaped mover across the stator tooth have air gap between the stator tooth and the rod-shaped mover；It is provided with winding on the stator tooth；The rod-shaped mover includes：Mover axis and the magnet steel being arranged on the mover axis；The poles S and the poles N of the magnet steel are alternately arranged along the axial direction of the mover axis；Magnet steel on the same circumference of mover axis is the magnet steel of homopolarity；The smaller technical problem of the thrust of rod-type linear motor offer can be provided；The thrust of rod-shaped linear motor can be increased.
Description
Technical field
The present invention relates to a kind of high thrust rod-type linear motors, belong to techniques of linear motor field.
Background technology
Linear motor has been widely used for Linear Metro, magnetic suspension train, linear motor machining center, automation
Multiple application fields and the occasions such as assembly line, straight drive elevator.
Linear motor includes mainly at present：Cored tablet linear motor, the U-shaped linear motor of iron-core-free, rod-type straight-line electric
Machine etc..Since tablet and U-shaped occupied space are larger, installation is constant, and rod-type structure of the linear motion actuator is compact, so rod-type straight-line electric
Machine is used widely.
However, rod-type linear motor pushing force is relatively small, it is only suitable for the usage scenario of small load, the use for heavy load
Scene needs to provide a kind of rod-type linear motor of high thrust.
Invention content
The purpose of the present invention is to provide a kind of technical solutions of high thrust rod-type linear motor.In order to achieve the above objectives,
The present invention provides the following technical solutions：The high thrust rod-type linear motor includes：Stator yoke, pass through the stator yoke and with institute
Stator tooth, the rod-shaped mover across the stator tooth for stating stator yoke interference connection, the stator tooth and the rod-shaped mover it
Between have air gap；
It is provided with winding on the stator tooth；
The rod-shaped mover includes：Mover axis and the magnet steel being arranged on the mover axis；
The poles S and the poles N of the magnet steel are alternately arranged along the axial direction of the mover axis；On the same circumference of mover axis
Magnet steel is the magnet steel of homopolarity.
Optionally, the magnet steel is the magnetic shoe of non-uniform thickness structure.
Optionally, the quantity of the magnet steel on the same circumference of mover axis is even slice.
Optionally, the magnet steel on the same circumference of mover axis is arranged using partitioned mode on the mover axis.
Optionally, the magnet steel is bonded in using epoxy glue on the mover axis.
Optionally, the stator tooth is comb structure.
Optionally, stator slot is formed between tooth different in the stator tooth, the winding is embedded according to preset phase sequence
In the stator slot.
Optionally, the bottom of the stator slot is centrum.
The beneficial effects of the present invention are：By the way that rod-shaped mover is arranged in rod-shaped linear motor, set on the rod-shaped mover
It is equipped with magnet steel；Rod-shaped linear motor further includes the stator tooth for surrounding rod-shaped mover, winding is provided on the stator tooth, in this way, can
To improve rod-type linear motor power density；The smaller technical problem of the thrust of rod-type linear motor offer can be provided；It can be with
Increase the thrust of rod-shaped linear motor.
In addition, be connected by by stator yoke and the design of stator tooth fission, and using interference mode, permanent magnet on mover
By the way of piecemeal, the magnetic field of such permanent magnet can be arbitrarily devised, reduces the manufacture difficulty of permanent magnet.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is the structural schematic diagram for the high thrust rod-type linear motor that the application one embodiment provides；
Fig. 2 is the connection relationship diagram between the stator tooth that the application one embodiment provides and stator yoke；
Fig. 3 is the relation schematic diagram between the winding and stator tooth that the application one embodiment provides；
Fig. 4 is the structural schematic diagram for the rod-shaped stator that the application one embodiment provides；
Fig. 5 is distribution schematic diagram of the magnet steel of the application one embodiment offer in the axial direction of mover axis；
Fig. 6 is distribution schematic diagram of the magnet steel of the application one embodiment offer on the circumferencial direction of mover axis.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Fig. 1 is the structural schematic diagram for the high thrust rod-type linear motor that the application one embodiment provides, as shown in Figure 1,
The high thrust rod-type linear motor includes at least：Rod-shaped mover 1, stator tooth 2, winding 3 and stator yoke 4.
Stator tooth 2 passes through stator yoke 4 and is connect with 4 interference of stator yoke；Rod-shaped mover 1 passes through stator tooth 2, rod-shaped mover 1
There is air gap between stator tooth 2.Winding 3 is provided on stator tooth 2.
Optionally, the length of the rod-shaped mover 1 is more than the length of stator tooth 2.
Wherein, interference connection refers to realizing connection using the cooperation interference between part.This connection structure is simple, centering
Precision is good, can bear torque, the compound load of axial force or both, and bearing capacity height, also can under impact vibration load
Relatively reliable work.
Interference is that subtract algebraic step obtained by the size of matched axis (stator tooth 2) be negative to the size of finger-hole (stator yoke 4)
Value.
Optionally, the schematic diagram connected with reference to interference between stator tooth 2 shown in Fig. 2 and stator yoke 4, in Fig. 2, stator tooth
2 be comb structure；Stator slot 5 is formed in stator tooth 2 between different teeth.Certainly, stator tooth 2 or other types of tooth
Structure, the present embodiment are not construed as limiting this.The bottom of stator slot 5 is centrum.
Optionally, the schematic diagram on stator tooth 2 is set with reference to winding 3 shown in Fig. 3, winding 3 is according to preset phase sequence
In embedded stator slot 5.Wherein, phase sequence refers to putting in order for phase.
Optionally, with reference to figure 4, rod-shaped mover 1 includes：Mover axis 11 and the magnet steel 12 being arranged on mover axis 11.
Optionally, mover axis 11 be along rod-shaped mover 1 axially along the solid cylinder stretched, it is of course also possible to be hollow
Cylinder, the present embodiment are not construed as limiting the concrete shape of mover axis 11.
Optionally, magnet steel 12 is bonded in using epoxy glue on mover axis 11.
Optionally, the magnet steel 12 on the same circumference of mover axis 11 is arranged using partitioned mode on mover axis 11.Ginseng
The distribution schematic diagram of 11 upper magnetic steel 12 of mover axis shown in fig. 5 is examined, the poles S and the poles N of magnet steel 12 replace along the axial direction of mover axis 11
Arrangement；Magnet steel 12 on 11 same circumference of mover axis is the magnet steel 12 of homopolarity.
Optionally, magnet steel 12 is the magnetic shoe of non-uniform thickness structure.Magnetic shoe refers to that one kind in permanent magnet is used primarily in Permanent Magnet and Electric
Tiles magnet on machine.
Optionally, the quantity of the magnet steel 12 on 11 same circumference of mover axis is even slice, such as：2,4,6 etc..
In the present embodiment, it is even slice by the quantity in the same magnet steel 12 provided circumferentially about of mover axis 11, counter electromotive force can be reduced
Harmonic wave and reluctance torque.
With reference to same 12 distribution schematic diagram of circumference upper magnetic steel shown in fig. 6, as can be seen from FIG. 6, magnet steel 12 is non-uniform thickness knot
The magnetic shoe of structure, the quantity of magnet steel 12 are 4, and magnet steel is the arctic.
In conclusion high thrust rod-type linear motor provided in this embodiment, by the way that bar is arranged in rod-shaped linear motor
Shape mover is provided with magnet steel on the rod-shaped mover；Rod-shaped linear motor further includes the stator tooth for surrounding rod-shaped mover, the stator tooth
On be provided with winding, in this way, rod-type linear motor power density can be improved；The thrust of rod-type linear motor offer can be provided
Smaller technical problem；The thrust of rod-shaped linear motor can be increased.
In addition, be connected by by stator yoke and the design of stator tooth fission, and using interference mode, permanent magnet on mover
By the way of piecemeal, the magnetic field of such permanent magnet can be arbitrarily devised, reduces the manufacture difficulty of permanent magnet.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of high thrust rod-type linear motor, which is characterized in that the high thrust rod-type linear motor includes：Stator yoke is worn
Stator tooth, the rod-shaped mover across the stator tooth crossed the stator yoke and connect with the stator yoke interference, the stator
There is air gap between tooth and the rod-shaped mover；
It is provided with winding on the stator tooth；
The rod-shaped mover includes：Mover axis and the magnet steel being arranged on the mover axis；
The poles S and the poles N of the magnet steel are alternately arranged along the axial direction of the mover axis；Magnet steel on the same circumference of mover axis
For the magnet steel of homopolarity.
2. high thrust rod-type linear motor according to claim 1, which is characterized in that the magnet steel is non-uniform thickness structure
Magnetic shoe.
3. high thrust rod-type linear motor according to claim 1, which is characterized in that on the same circumference of mover axis
Magnet steel quantity be even slice.
4. high thrust rod-type linear motor according to claim 1, which is characterized in that on the same circumference of mover axis
Magnet steel using partitioned mode be arranged on the mover axis.
5. high thrust rod-type linear motor according to claim 1, which is characterized in that the magnet steel is viscous using epoxy glue
It is connected on the mover axis.
6. high thrust rod-type linear motor according to any one of claims 1 to 5, which is characterized in that the stator tooth is comb
Toothing.
7. high thrust rod-type linear motor according to any one of claims 1 to 5, which is characterized in that in the stator tooth not
Stator slot is formed between same tooth, the winding is embedded according to preset phase sequence in the stator slot.
8. high thrust rod-type linear motor according to claim 7, which is characterized in that the bottom of the stator slot is vertebra
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061130.0A CN108809045B (en) | 2018-09-12 | 2018-09-12 | Large-thrust rod type linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061130.0A CN108809045B (en) | 2018-09-12 | 2018-09-12 | Large-thrust rod type linear motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108809045A true CN108809045A (en) | 2018-11-13 |
| CN108809045B CN108809045B (en) | 2024-04-16 |
Family
ID=64082367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811061130.0A Active CN108809045B (en) | 2018-09-12 | 2018-09-12 | Large-thrust rod type linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108809045B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002354780A (en) * | 2001-05-24 | 2002-12-06 | Yaskawa Electric Corp | Cylindrical magnetic field liner motor |
| CN1427534A (en) * | 2001-12-17 | 2003-07-02 | 山崎恒彦 | Linear motor |
| CN101098100A (en) * | 2006-06-26 | 2008-01-02 | 株式会社日立制作所 | Cylindrical linear motor and a vehicle using the same |
| JP2009183041A (en) * | 2008-01-30 | 2009-08-13 | Nidec Sankyo Corp | Linear motor |
| CN102710094A (en) * | 2012-05-23 | 2012-10-03 | 西安交通大学 | Cylindrical linear motor with ring gears of different widths for axial feed |
| CN103934718A (en) * | 2014-04-04 | 2014-07-23 | 西安交通大学 | Harmonic thrust linear motor for frequency conversion vibration of cutter of cutting machine tool |
| CN104113181A (en) * | 2014-07-18 | 2014-10-22 | 西安交通大学 | Hybrid field switch flux linear motor used for axial feeding |
| CN105207446A (en) * | 2015-10-14 | 2015-12-30 | 江苏大学 | Embedded type mixing magnetic material fault-tolerant cylindrical linear motor |
| CN106067720A (en) * | 2016-07-06 | 2016-11-02 | 江苏大学 | A kind of low-loss semi-closed port grooved fault-tolerant permanent-magnetic cylindrical linear electric motors and processing method thereof |
| CN206060503U (en) * | 2016-08-26 | 2017-03-29 | 嵊州市长运铝业有限公司 | A kind of cylinder permanent magnetic line motor |
| CN107231077A (en) * | 2016-03-25 | 2017-10-03 | 南京理工大学 | High thrust magnetic resistance linear electric motors |
| CN208675089U (en) * | 2018-09-12 | 2019-03-29 | 苏州直为精驱控制技术有限公司 | High thrust rod-type linear motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002209371A (en) * | 2001-01-11 | 2002-07-26 | Yaskawa Electric Corp | Linear motor |
| CN201956759U (en) * | 2010-12-30 | 2011-08-31 | 天津蓝马工业工程技术有限公司 | Permanent magnet motor capable of reducing slot effect |
| TW201416584A (en) * | 2012-10-17 | 2014-05-01 | Hiwin Mikrosystem Corp | Direct drive threaded rod transmission mechanism |
| WO2015181703A1 (en) * | 2014-05-25 | 2015-12-03 | Serby Ag | Electrical machine with continuous geometry and constant torque operation |
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2018
- 2018-09-12 CN CN201811061130.0A patent/CN108809045B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002354780A (en) * | 2001-05-24 | 2002-12-06 | Yaskawa Electric Corp | Cylindrical magnetic field liner motor |
| CN1427534A (en) * | 2001-12-17 | 2003-07-02 | 山崎恒彦 | Linear motor |
| CN101098100A (en) * | 2006-06-26 | 2008-01-02 | 株式会社日立制作所 | Cylindrical linear motor and a vehicle using the same |
| JP2008005665A (en) * | 2006-06-26 | 2008-01-10 | Hitachi Ltd | Cylindrical linear motor and vehicle using it |
| JP2009183041A (en) * | 2008-01-30 | 2009-08-13 | Nidec Sankyo Corp | Linear motor |
| CN102710094A (en) * | 2012-05-23 | 2012-10-03 | 西安交通大学 | Cylindrical linear motor with ring gears of different widths for axial feed |
| CN103934718A (en) * | 2014-04-04 | 2014-07-23 | 西安交通大学 | Harmonic thrust linear motor for frequency conversion vibration of cutter of cutting machine tool |
| CN104113181A (en) * | 2014-07-18 | 2014-10-22 | 西安交通大学 | Hybrid field switch flux linear motor used for axial feeding |
| CN105207446A (en) * | 2015-10-14 | 2015-12-30 | 江苏大学 | Embedded type mixing magnetic material fault-tolerant cylindrical linear motor |
| CN107231077A (en) * | 2016-03-25 | 2017-10-03 | 南京理工大学 | High thrust magnetic resistance linear electric motors |
| CN106067720A (en) * | 2016-07-06 | 2016-11-02 | 江苏大学 | A kind of low-loss semi-closed port grooved fault-tolerant permanent-magnetic cylindrical linear electric motors and processing method thereof |
| CN206060503U (en) * | 2016-08-26 | 2017-03-29 | 嵊州市长运铝业有限公司 | A kind of cylinder permanent magnetic line motor |
| CN208675089U (en) * | 2018-09-12 | 2019-03-29 | 苏州直为精驱控制技术有限公司 | High thrust rod-type linear motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108809045B (en) | 2024-04-16 |
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