CN201887577U - Linear motor rotor - Google Patents
Linear motor rotor Download PDFInfo
- Publication number
- CN201887577U CN201887577U CN2010206003710U CN201020600371U CN201887577U CN 201887577 U CN201887577 U CN 201887577U CN 2010206003710 U CN2010206003710 U CN 2010206003710U CN 201020600371 U CN201020600371 U CN 201020600371U CN 201887577 U CN201887577 U CN 201887577U
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- linear motor
- motor rotor
- magnet steel
- base plate
- stainless steel
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to a linear motor rotor, and aims to provide a linear motor rotor, which is not provided with an exciting winding and is simple in structure and small in size. The linear motor rotor comprises a bottom plate and a plurality of pieces of straight magnetic steel arrayed on the bottom plate in an evenly spaced manner; the pieces of magnetic steel are neodymium iron boron permanents and arrayed sequentially according to N-S-N magnetic pole polarities; and the number of the pieces of straight magnetic steel is positive even. The neodymium iron boron permanents are used as the magnetic steel arrayed on the bottom plate to generate a magnetic field, so that the linear motor rotor is extremely simple in structure, the size of the linear motor rotor is decreased, and the cost of the linear motor rotor is reduced.
Description
Technical field
The utility model relates to field of motor manufacturing, and in particular, the utility model is a kind of linear motor rotor about servomotor.
Background technology
In recent years, along with the thermal stability of improving constantly of rare earth permanent-magnetic material performance, particularly Nd-Fe-B permanent magnet, the progressively reduction of the improvement of corrosion resistance and price, the development and application of rare-earth permanent-magnet electric machine has entered the stage of popularization.Wherein the application of rare earth permanent magnet linear electric motors is also very extensive, because the drive principle and the movement characteristic of its uniqueness obtain wider utilization at driving rectilinear motion, plane motion aspects such as (comprising the plane and straight line motion).
Patent Office of the People's Republic of China has announced a CN2836317Y document on November 8th, 2006, name is called the linear synchronous generator field spider, and this rotor comprises rotor core, is arranged with the rotor-exciting winding on rotor core, is provided with air gap in the protruding bottom of rotor core.Keeping having reduced cost on electromagnetic linear motor power and the basic basis of invariable of air-gap field.The shortcoming of this rotor is to adopt excitation winding to produce magnetic field, and complex structure is bulky.
Summary of the invention
Thereby the utility model adopts the baroque shortcoming of excitation winding for solving the linear motor rotor that exists in the prior art, and a kind of do not have excitation winding, linear motor rotor that volume simple in structure is little are provided.
The technical scheme that its technical problem that solves the utility model adopts is: the utility model comprises base plate and some straight lines, uniformly-spaced is arranged in magnet steel on the described base plate, magnet steel is a Nd-Fe-B permanent magnet, magnet steel is pressed N-S-N pole polarity sequence arrangement, and the quantity of magnet steel is positive even numbers.Magnet steel is pressed N-S-N pole polarity sequence arrangement on base plate, and magnet steel produces magnetic field, and is simple in structure, because the high magnetic characteristics of Nd-Fe-B permanent magnet can make whole rotor volume reduce greatly, and can reduce cost.
As preferably, base plate is an iron plate, and magnet steel and iron plate are bonding with glue.With glue with magnet steel and iron plate is bonding further simplifies the structure.
As preferably, between magnet steel, be provided with epoxy.Fill up space between magnet steel with epoxy, the position between the magnet steel is fixed, have characteristic of simple structure.
As preferably, base plate is provided with stainless steel cage, and stainless steel cage covers magnet steel, and stainless steel cage is riveted with base plate.Stainless steel cage has antisepsis, can't produce magnetic field to disturb, and mechanical strength is good, has advantage of simple structure with riveted joint.
As preferably, be provided with epoxy between stainless steel cage and the magnet steel.Fill space between stainless steel cage and magnet steel with epoxy, make stainless steel cage have certain fixation magnet steel.
As preferably, stainless steel cage both sides are provided with groove, and groove is provided with at least 2 through holes, and stainless steel cage is by through hole and base plate riveted joint.Groove can make stainless steel cage paste mutually with base plate, thereby makes riveted joint firmly.
As preferably, magnet steel two ends epoxy packages, the end face of epoxy and the end face of base plate.In magnet steel two ends epoxy packages, can protect magnet steel not to be subjected to damage, epoxy and base plate end face can guarantee the consistency of the mechanical dimension of whole rotor.
The beneficial effects of the utility model are: produce magnetic field thereby be arranged on the base plate as magnet steel with Nd-Fe-B permanent magnet, make the structure of linear motor rotor very simple, volume reduces, cost reduces.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model linear motor rotor.
Among the figure: 1. base plate, 2. magnet steel, 3. epoxy, 4. stainless steel cage, 5. groove, 6. rivet.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail.
Embodiment:
A kind of linear motor rotor of present embodiment referring to Fig. 1, comprises base plate 1, magnet steel 2, stainless steel cage 4.Magnet steel 2 is a Nd-Fe-B permanent magnet, has 10, is evenly arranged in proper order on the base plate 1 by the N-S-N pole polarity.Base plate 1 is an iron plate, and is with glue that magnet steel 2 and base plate 1 is bonding.Fill with epoxy 3 in space between magnet steel 2, and stainless steel cage 4 covers on and covers all magnet steel 2 on the magnet steel 2, also fills with epoxy between magnet steel 2 and stainless steel cage 4.The both sides of stainless steel cage 4 are provided with groove 5, have through hole in the groove 5, and rivet 6 is riveted stainless steel cage 4 and base plate 1 by through hole.Epoxy 3 has also been filled at outermost two ends at magnet steel 2, the end face of the end face of epoxy 3 and base plate 1.
Above embodiment is one of preferred plan of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (7)
1. linear motor rotor comprises base plate and some straight lines, uniformly-spaced is arranged in magnet steel on the described base plate, and it is characterized in that: described magnet steel is a Nd-Fe-B permanent magnet, and described magnet steel is pressed N-S-N pole polarity sequence arrangement, and the quantity of described magnet steel is positive even numbers.
2. a kind of linear motor rotor according to claim 1 is characterized in that: described base plate is an iron plate, and described magnet steel and described iron plate are bonding with glue.
3. a kind of linear motor rotor according to claim 1 and 2 is characterized in that: be provided with epoxy between described magnet steel.
4. a kind of linear motor rotor according to claim 1 and 2 is characterized in that: described base plate is provided with stainless steel cage, and described stainless steel cage covers described magnet steel, described stainless steel cage and the riveted joint of described base plate.
5. a kind of linear motor rotor according to claim 4 is characterized in that: be provided with epoxy between described stainless steel cage and the described magnet steel.
6. a kind of linear motor rotor according to claim 4 is characterized in that: described stainless steel cage both sides are provided with groove, and described groove is provided with at least 2 through holes, and described stainless steel cage is by described through hole and the riveted joint of described base plate.
7. a kind of linear motor rotor according to claim 1 and 2 is characterized in that: described magnet steel two ends epoxy packages, the end face of described epoxy and the end face of described base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206003710U CN201887577U (en) | 2010-11-11 | 2010-11-11 | Linear motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206003710U CN201887577U (en) | 2010-11-11 | 2010-11-11 | Linear motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887577U true CN201887577U (en) | 2011-06-29 |
Family
ID=44185122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206003710U Expired - Lifetime CN201887577U (en) | 2010-11-11 | 2010-11-11 | Linear motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233645A (en) * | 2017-12-27 | 2018-06-29 | 深圳市策维科技有限公司 | A kind of technique of linear motor stator electric splicing |
-
2010
- 2010-11-11 CN CN2010206003710U patent/CN201887577U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233645A (en) * | 2017-12-27 | 2018-06-29 | 深圳市策维科技有限公司 | A kind of technique of linear motor stator electric splicing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
|
| CX01 | Expiry of patent term |