CN107979247B - Tooling and glue filling process for inserting magnetic steel of built-in permanent magnet generator into magnetic pole box - Google Patents
Tooling and glue filling process for inserting magnetic steel of built-in permanent magnet generator into magnetic pole box Download PDFInfo
- Publication number
- CN107979247B CN107979247B CN201711383872.0A CN201711383872A CN107979247B CN 107979247 B CN107979247 B CN 107979247B CN 201711383872 A CN201711383872 A CN 201711383872A CN 107979247 B CN107979247 B CN 107979247B
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- Prior art keywords
- magnetic
- magnetic steel
- conductive
- glue
- pole box
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 124
- 239000010959 steel Substances 0.000 title claims abstract description 124
- 239000003292 glue Substances 0.000 title claims abstract description 49
- 238000005429 filling process Methods 0.000 title abstract description 5
- 230000000712 assembly Effects 0.000 claims abstract description 21
- 238000000429 assembly Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
Abstract
The invention discloses a tool for inserting magnetic steel into a magnetic pole box of a built-in permanent magnet generator and a glue filling process, wherein the tool comprises a non-magnetic-conductive tool platform, a non-magnetic-conductive pressing strip and a plurality of pressing assemblies arranged on the non-magnetic-conductive tool platform, a film strip is paved on the non-magnetic-conductive tool platform, the magnetic pole box is horizontally arranged on the film strip and is pressed by the corresponding pressing assemblies, so that the bottom surface of the magnetic pole box is tightly attached to the film strip to be completely sealed, the non-magnetic-conductive pressing strip is arranged at the top of the magnetic steel which is required to be inserted into the magnetic pole box, the non-magnetic-conductive pressing strip is pressed downwards by the corresponding pressing assemblies to press the magnetic steel into a magnetic steel groove of the magnetic pole box, and in the magnetic steel inserting process, glue in the magnetic steel groove is extruded along the magnetic steel inserting direction, but is reversely flung back when the glue meets the film strip obstruction, which is equivalent to secondary filling, so that gaps between the magnetic steel and the magnetic steel groove are further filled, and the bonding of the magnetic steel is firmer.
Description
Technical Field
The invention relates to the technical field of semi-direct-drive permanent magnet wind generators, in particular to a tool and a glue filling process for inserting magnetic steel of a built-in permanent magnet generator into a magnetic pole box.
Background
At present, a wind driven generator mainly adopts a permanent magnet synchronous generator, and the rotor structure of the permanent magnet synchronous generator is provided with a surface-mounted type and a built-in type. The surface-mounted rotor structure has symmetrical alternating-direct axis magnetic circuits, belongs to a non-salient pole motor, and has equal alternating-axis inductance Lq and direct-axis inductance Ld; and the quadrature-axis inductance Lq is larger than the direct-axis inductance Ld in the built-in rotor structure. Therefore, reluctance torque is generated, and the power density and the torque output capacity of the motor are effectively improved; therefore, the existing semi-direct-drive permanent magnet synchronous generator mostly adopts a built-in rotor structure, the magnetic steel is mainly fixed in the magnetic pole box by glue, a layer of glue is generally coated on the surface of the magnetic steel and the surface of the magnetic pole box, and then the magnetic steel is inserted into the magnetic pole box. However, because the gap between the magnetic steel and the magnetic steel groove is smaller, most of the glue on the surfaces of the magnetic steel and the magnetic steel groove can be extruded out from the other end along with the insertion of the magnetic steel in the process of inserting the magnetic steel, so that the gap exists between the magnetic steel and the magnetic steel groove, and the bonding is unstable.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a tool and a glue filling process for inserting magnetic steel of a built-in permanent magnet generator into a magnetic pole box, so that glue fills the whole gap between the magnetic steel and a magnetic steel groove, and the magnetic steel is firmly bonded.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the tool comprises a fixture for inserting magnetic steel of a built-in permanent magnet generator into a magnetic pole box, wherein glue is coated on the surfaces of the magnetic steel and a magnetic steel groove in the magnetic pole box, so that the magnetic steel inserted into the magnetic steel groove can be firmly adhered into the magnetic pole box through the glue; the auxiliary fixture comprises a non-magnetic-conductive fixture platform, a non-magnetic-conductive pressing strip and a plurality of pressing assemblies arranged on the non-magnetic-conductive fixture platform, wherein a film strip is paved on the non-magnetic-conductive fixture platform, the magnetic pole box is horizontally arranged on the film strip and is pressed by the corresponding pressing assemblies, so that the bottom surface of the magnetic pole box is tightly attached to the film strip to be completely sealed, the non-magnetic-conductive pressing strip is arranged at the top of magnetic steel which is required to be inserted into the magnetic pole box, the magnetic steel is pressed into a magnetic steel groove of the magnetic pole box by the corresponding pressing assemblies downwards, and in the magnetic steel inserting process, glue in the magnetic steel groove can be extruded along the inserting direction of the magnetic steel, but can be reversely flushed back when the glue meets the film strip obstruction, which is equivalent to secondary filling, so that gaps between the magnetic steel and the magnetic steel groove are further filled.
The compressing assembly comprises a support, a compressing screw and a torsion bar, wherein the support is arranged on the periphery of the non-magnetic tool platform, the top of the support extends to the inside of the non-magnetic tool platform in a bending mode and is located above the non-magnetic tool platform, the compressing screw is vertically arranged at the installation position of the top of the support and is in threaded connection with the installation position, the torsion bar transversely penetrates through the top of the compressing screw, the compressing screw moves up and down on the support through rotating the torsion bar, and then the compressing screw compresses a magnetic pole box or a non-magnetic pressing strip.
The compaction assembly is provided with a plurality of compaction assemblies which are distributed around the non-magnetic tool platform.
In the glue pouring process for inserting the magnetic steel of the built-in permanent magnet generator into the magnetic pole box, a non-magnetic-conductive tooling platform, a non-magnetic-conductive pressing strip and a plurality of pressing assemblies are required to be configured, wherein some of the pressing assemblies are used for pressing the magnetic pole box, and the other pressing assemblies are used for pressing the non-magnetic-conductive pressing strip, so that the magnetic steel is pressed into a magnetic steel groove of the magnetic pole box by pressing the non-magnetic-conductive pressing strip;
the process comprises the following steps:
paving a layer of film belt on the non-magnetic tool platform;
the magnetic pole box is horizontally placed on the film belt and is compressed by adopting a corresponding compression assembly, so that the bottom surface of the magnetic pole box is tightly attached to the film belt to be completely sealed, and glue leakage is avoided;
uniformly coating adhesive glue on the surface of the magnetic steel and the surface of a magnetic steel groove in the magnetic pole box;
the magnetic steel coated with the glue is slowly inserted into the magnetic steel groove, meanwhile, the non-magnetic-conductive pressing strip is placed at the top of the magnetic steel to press the magnetic steel, the magnetic steel is pressed into the magnetic steel groove by adjusting the corresponding pressing component, and in the magnetic steel inserting process, the glue in the magnetic steel groove can be extruded along the inserting direction of the magnetic steel, but can be flushed back in the opposite direction when encountering the obstruction of the film strip, the glue is equivalent to secondary filling, and gaps between the magnetic steel and the magnetic steel groove are further filled until the glue overflows in the gaps between the magnetic steel and the magnetic steel groove.
Compared with the prior art, the invention has the following advantages and beneficial effects:
in the assembly process of the magnetic steel and the magnetic pole box, the glue can be effectively kept from losing, the glue is uniformly distributed in gaps between the magnetic steel and the magnetic steel groove, the bonding is firmer, and the operation reliability of the permanent magnet generator is improved.
Drawings
Fig. 1 is a schematic structural diagram of the tooling of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples.
As shown in fig. 1, the tooling for inserting the magnetic steel into the magnetic pole box of the built-in permanent magnet generator provided by the embodiment comprises a non-magnetic-conductive tooling platform 1, a non-magnetic-conductive pressing strip 2 and six pressing assemblies 3 arranged around the non-magnetic-conductive tooling platform, wherein glue is coated on the surfaces of the magnetic steel 4 and the magnetic steel groove surface in the magnetic pole box 3, so that the magnetic steel 4 inserted into the magnetic steel groove can be firmly adhered into the magnetic pole box 5 through the glue; the non-magnetic conductive tooling platform 1 is paved with a layer of film strip 6, the magnetic pole box 5 is horizontally arranged on the film strip 6 and is tightly pressed by the four pressing assemblies 3, so that the bottom surface of the magnetic pole box 5 is tightly attached to the film strip 6 to be completely sealed, the non-magnetic conductive pressing strip 2 is arranged at the top of the magnetic steel 4 which is required to be inserted into the magnetic pole box 5, the magnetic steel 4 is pressed into a magnetic steel groove of the magnetic pole box 5 by downwards pressing the non-magnetic conductive pressing strip 2 by the two pressing assemblies 3, and in the inserting process of the magnetic steel 4, glue in the magnetic steel groove can be extruded along the inserting direction of the magnetic steel 4, and the glue can be reversely gushed back when encountering the film strip 6 to be equivalent to secondary filling, so that gaps between the magnetic steel 4 and the magnetic steel groove are further filled.
The compressing assembly 3 comprises a bracket 31, a compressing screw 32 and a torsion bar 33, wherein the bracket 31 is arranged on the periphery of the non-magnetic tool platform 1, the top of the bracket extends to the inside of the non-magnetic tool platform 1 in a bending way and is positioned above the non-magnetic tool platform 1, the compressing screw 32 is vertically arranged at the mounting position of the top of the bracket 31 and is in threaded connection with the mounting position, the torsion bar 33 is transversely arranged on the top of the compressing screw 32, the compressing screw 32 moves up and down on the bracket 31 through rotating the torsion bar 33, and then the compressing screw 32 can compress the magnetic pole box 5 or the non-magnetic compression bar 2.
The following is a glue pouring process realized by using the tool of the embodiment, and the glue pouring process comprises the following steps:
firstly, paving a layer of film strip 6 on a non-magnetic tool platform 1;
secondly, the magnetic pole box 5 is horizontally placed on the film belt 6 and is compressed by adopting the corresponding compression component 3, so that the bottom surface of the magnetic pole box 5 is tightly attached to the film belt 6 to be completely sealed, and glue leakage is avoided;
then, uniformly coating adhesive glue on the surface of the magnetic steel 4 and the surface of a magnetic steel groove in the magnetic pole box 5;
finally, the magnet steel 4 coated with glue is slowly inserted into the magnet steel groove, and meanwhile, the non-magnetic conductive pressing strip 2 is placed at the top of the magnet steel 4 to press the magnet steel 4, and the magnet steel 4 is pressed into the magnet steel groove by adjusting the corresponding pressing component 3, and in the inserting process of the magnet steel 4, the glue in the magnet steel groove can be extruded along the inserting direction of the magnet steel 4, but can be flushed back in the opposite direction when the glue meets the obstruction of the film strip 6, which is equivalent to secondary filling, so that gaps between the magnet steel 4 and the magnet steel groove are further filled until the glue overflows in the gaps between the magnet steel 4 and the magnet steel groove.
In summary, after the scheme is adopted, glue can be effectively kept from losing in the assembly process of the magnetic steel and the magnetic pole box, the glue is more firmly bonded in gaps between the magnetic steel and the magnetic steel grooves, the operation reliability of the permanent magnet generator is improved, and the permanent magnet generator has practical popularization value and is worthy of popularization.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so variations in shape and principles of the present invention should be covered.
Claims (2)
1. The tool comprises a fixture for inserting magnetic steel of a built-in permanent magnet generator into a magnetic pole box, wherein glue is coated on the surfaces of the magnetic steel and a magnetic steel groove in the magnetic pole box, so that the magnetic steel inserted into the magnetic steel groove can be firmly adhered into the magnetic pole box through the glue; the method is characterized in that: the tool comprises a non-magnetic-conductive tool platform, a non-magnetic-conductive pressing strip and a plurality of pressing assemblies arranged on the non-magnetic-conductive tool platform, wherein a film strip is paved on the non-magnetic-conductive tool platform, the magnetic pole box is horizontally arranged on the film strip and is pressed by the corresponding pressing assemblies, so that the bottom surface of the magnetic pole box is tightly attached to the film strip to be completely sealed, the non-magnetic-conductive pressing strip is arranged at the top of magnetic steel which is required to be inserted into the magnetic pole box, the magnetic steel is pressed down by the corresponding pressing assemblies to be pressed into a magnetic steel groove of the magnetic pole box, and in the magnetic steel inserting process, glue in the magnetic steel groove is extruded along the inserting direction of the magnetic steel, but is flushed back in the opposite direction when the glue meets the obstruction of the film strip, which is equivalent to secondary filling, so that gaps between the magnetic steel and the magnetic steel groove are further filled;
the compressing assembly comprises a bracket, a compressing screw and a torsion bar, wherein the bracket is arranged on the periphery of the non-magnetic-conductive tooling platform, the top of the bracket extends to the inside of the non-magnetic-conductive tooling platform in a bending way and is positioned above the non-magnetic-conductive tooling platform, the compressing screw is vertically arranged at an installation position at the top of the bracket and is in threaded connection with the installation position, the torsion bar is transversely arranged at the top of the compressing screw in a crossing way, and the compressing screw moves up and down on the bracket through rotating the torsion bar, so that the compressing screw compresses a magnetic pole box or a non-magnetic-conductive pressing strip;
the compaction assembly is provided with a plurality of compaction assemblies which are distributed around the non-magnetic tool platform.
2. The glue pouring process for inserting the magnetic steel of the built-in permanent magnet generator into the magnetic pole box is characterized by comprising the following steps of: firstly, a non-magnetic-conductive tooling platform, a non-magnetic-conductive pressing strip and a plurality of pressing assemblies are required to be configured, wherein some of the pressing assemblies are used for pressing the magnetic pole boxes, and the other pressing assemblies are used for pressing the non-magnetic-conductive pressing strip, so that the magnetic steel is pressed into the magnetic steel grooves of the magnetic pole boxes by pressing the non-magnetic-conductive pressing strip; the compressing assembly comprises a bracket, a compressing screw and a torsion bar, wherein the bracket is arranged on the periphery of the non-magnetic-conductive tooling platform, the top of the bracket extends to the inside of the non-magnetic-conductive tooling platform in a bending way and is positioned above the non-magnetic-conductive tooling platform, the compressing screw is vertically arranged at an installation position at the top of the bracket and is in threaded connection with the installation position, the torsion bar is transversely arranged at the top of the compressing screw in a crossing way, and the compressing screw moves up and down on the bracket through rotating the torsion bar, so that the compressing screw compresses a magnetic pole box or a non-magnetic-conductive pressing strip; the compaction assemblies are distributed around the non-magnetic tool platform;
the process comprises the following steps:
paving a layer of film belt on the non-magnetic tool platform;
the magnetic pole box is horizontally placed on the film belt and is compressed by adopting a corresponding compression assembly, so that the bottom surface of the magnetic pole box is tightly attached to the film belt to be completely sealed, and glue leakage is avoided;
uniformly coating adhesive glue on the surface of the magnetic steel and the surface of a magnetic steel groove in the magnetic pole box;
the magnetic steel coated with the glue is slowly inserted into the magnetic steel groove, meanwhile, the non-magnetic-conductive pressing strip is placed at the top of the magnetic steel to press the magnetic steel, the magnetic steel is pressed into the magnetic steel groove by adjusting the corresponding pressing component, and in the magnetic steel inserting process, the glue in the magnetic steel groove can be extruded along the inserting direction of the magnetic steel, but can be flushed back in the opposite direction when encountering the obstruction of the film strip, the glue is equivalent to secondary filling, and gaps between the magnetic steel and the magnetic steel groove are further filled until the glue overflows in the gaps between the magnetic steel and the magnetic steel groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383872.0A CN107979247B (en) | 2017-12-20 | 2017-12-20 | Tooling and glue filling process for inserting magnetic steel of built-in permanent magnet generator into magnetic pole box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383872.0A CN107979247B (en) | 2017-12-20 | 2017-12-20 | Tooling and glue filling process for inserting magnetic steel of built-in permanent magnet generator into magnetic pole box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107979247A CN107979247A (en) | 2018-05-01 |
| CN107979247B true CN107979247B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711383872.0A Active CN107979247B (en) | 2017-12-20 | 2017-12-20 | Tooling and glue filling process for inserting magnetic steel of built-in permanent magnet generator into magnetic pole box |
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| CN (1) | CN107979247B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110676986B (en) * | 2019-10-17 | 2024-02-27 | 北京金风科创风电设备有限公司 | Forming method of magnetic pole protective layer of motor outer rotor |
| CN114160373B (en) * | 2021-12-09 | 2022-11-22 | 宁波科田磁业有限公司 | Production device, production line and production method of magnetic pole box assembly |
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|---|---|---|---|---|
| JP2011103769A (en) * | 2011-02-03 | 2011-05-26 | Hitachi Ltd | Permanent-magnet generator and hybrid vehicle using the same |
| KR20110111695A (en) * | 2010-04-05 | 2011-10-12 | 천복기계 (주) | Generator utilizing permanent magnets |
| JP2013198272A (en) * | 2012-03-19 | 2013-09-30 | Seiko Instruments Inc | Small generator and electronic clock |
| CN106981938A (en) * | 2017-04-19 | 2017-07-25 | 远景能源（江苏）有限公司 | It is straight to drive generator field structure |
| CN207677596U (en) * | 2017-12-20 | 2018-07-31 | 明阳智慧能源集团股份公司 | A kind of built-in type permanent-magnet generator magnet steel is inserted into the auxiliary mould of magnetic pole box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3936538B2 (en) * | 2000-05-30 | 2007-06-27 | 株式会社Ｎｅｏｍａｘ | Thin permanent magnet generator and diskette incorporating the same |
| US9583989B2 (en) * | 2013-09-06 | 2017-02-28 | Francis Xavier Gentile | Electric generator |
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2017
- 2017-12-20 CN CN201711383872.0A patent/CN107979247B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110111695A (en) * | 2010-04-05 | 2011-10-12 | 천복기계 (주) | Generator utilizing permanent magnets |
| JP2011103769A (en) * | 2011-02-03 | 2011-05-26 | Hitachi Ltd | Permanent-magnet generator and hybrid vehicle using the same |
| JP2013198272A (en) * | 2012-03-19 | 2013-09-30 | Seiko Instruments Inc | Small generator and electronic clock |
| CN106981938A (en) * | 2017-04-19 | 2017-07-25 | 远景能源（江苏）有限公司 | It is straight to drive generator field structure |
| CN207677596U (en) * | 2017-12-20 | 2018-07-31 | 明阳智慧能源集团股份公司 | A kind of built-in type permanent-magnet generator magnet steel is inserted into the auxiliary mould of magnetic pole box |
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| CN107979247A (en) | 2018-05-01 |
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