CN107294315B - A kind of electric machine rotor assembling apparatus - Google Patents
A kind of electric machine rotor assembling apparatus Download PDFInfo
- Publication number
- CN107294315B CN107294315B CN201710590827.6A CN201710590827A CN107294315B CN 107294315 B CN107294315 B CN 107294315B CN 201710590827 A CN201710590827 A CN 201710590827A CN 107294315 B CN107294315 B CN 107294315B
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- rotor
- block
- stator
- motor
- adjusting
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- 238000009434 installation Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of electric machine rotor assembling apparatus, including bracket, taper tooling and regulating device, bracket includes frame body and the mounting plate that is fixed on frame body, taper tooling includes guide post and bores block by the first cone block and second that the conical surface agrees with, regulating device includes adjusting block and threaded rod, wherein, the stator of motor is fixed on a mounting board, first cone block is used to be fixed on the shaft end face of one end of the rotor of motor, second cone block is fixed in guide post, it is offered on mounting plate with the rotor mounting location of stator interior to positive through-hole, guide post passes through through-hole, the lower section on frame body and being located at mounting plate is arranged in regulating device, for adjusting the gradient of guide post, adjusting block is threadedly coupled with threaded rod, adjusting block is contacted with the side wall of guide post, threaded rod is threadedly coupled with frame body.Electric machine rotor assembling apparatus provided by the invention solves rotor and attaches together firm centering, reduces the attracting assembly problem of rotor.
Description
Technical Field
The invention relates to the technical field of motor assembly, in particular to a motor stator and rotor combining device.
Background
Because of high power factor and high efficiency, permanent magnet motors are beginning to gradually replace the most common alternating current asynchronous motors in many occasions. The difficulty of combining the stator and the rotor of the permanent magnet motor is that the permanent magnet is arranged in the rotor, and the rotor can generate adsorption force on the stator. Especially when the motor is a slender structure, the stator and the rotor are difficult to be combined to prevent mutual absorption, and if the stator and the rotor are eccentric in the combining process, the stator and the rotor can be absorbed and rubbed mutually, so that the stator and the rotor can not be combined.
The existing method is to select a certain amount of polytetrafluoroethylene as an air gap guiding tool to be placed between a stator and a rotor according to an air gap of a motor, and other guiding tools are designed outside the motor, so that the guiding effect is improved. To motor structural design reasonable, assembly space under the abundant condition, the application current assembly technique can mostly solve the corresponding problem that the decision rotor attached together, nevertheless attach together to motor compact structure, rotor unilateral unbalance weight and the stator rotor in narrow and small assembly space and be unable the completion.
Through experiment, contrastive analysis, there is more not enough in current stator-rotor attaches together technique and device:
1. the polytetrafluoroethylene is soft in texture, accurate centering and positioning cannot be guaranteed, and the rotor can be subjected to magnetic pulling force deviated to one side, so that assembly is not facilitated.
2. The general outside direction aperture is less, and the design of direction frock can't judge to attach together the in-process, and the rotor can not accurate direction and regulation because of inhaling mutually and deflecting the position.
3. To motor compact structure, rotor unilateral unbalance weight and the stator rotor in narrow and small assembly space attach together, current assembly technique can't satisfy the centering requirement.
4. The original technical scheme of assembling the components is not sufficient in operability, low in efficiency and not beneficial to use in batch production.
Therefore, how to provide a stator and rotor combination device for a motor to solve the assembly problems of stable centering and reduced stator and rotor attraction when combining the stator and the rotor is a technical problem to be solved urgently by those skilled in the art at present.
Disclosure of Invention
In view of this, the present invention provides a stator and rotor combination device for an electric machine, so as to solve the assembly problems of stable and centered stator and rotor combination and reduced stator and rotor attraction.
In order to achieve the purpose, the invention provides the following technical scheme:
a motor stator and rotor combining device comprises a support, a taper tool and an adjusting device, wherein the support comprises a support body and a mounting plate fixed on the support body, the taper tool comprises a guide post, a first taper block and a second taper block which are matched through a conical surface, the adjusting device comprises an adjusting block and a threaded rod, a stator of a motor is fixed on the mounting plate, the first taper block is used for being fixed on the rotating shaft end face of one end of a rotor of the motor, the second taper block is fixed on the guide post, a through hole which is aligned with the mounting position of the rotor inside the stator is formed in the mounting plate, the guide post penetrates through the through hole, the adjusting device is arranged on the support body and is positioned below the mounting plate and used for adjusting the gradient of the guide post, the adjusting block is in threaded connection with the threaded rod, and the adjusting block is in contact with the side wall of the guide post, the threaded rod is in threaded connection with the frame body.
Preferably, the other end of the rotor is connected with an end cover of the motor through a stabilizing device, the stabilizing device comprises a first rod body and a second rod body which are arranged in a cross manner, the two ends of the first rod body and the two ends of the second rod body are fixed on the end cover, and the cross portion of the first rod body and the cross portion of the second rod body is fixedly connected with the other end of the rotor through bolts.
Preferably, the first rod and the second rod are arranged in a basin shape, and the intersection part of the first rod and the second rod is located at the lowest point.
Preferably, the unilateral gap between the stator and the rotor is 1 mm.
Preferably, the first taper block is an outer taper block and the second taper block is an inner taper block or the first taper block is an inner taper block and the second taper block is an outer taper block.
Preferably, a pointer is disposed at the bottom of the guide column, and a dial for indicating inclination is disposed at the bottom of the bracket and cooperates with the pointer.
Preferably, the guide column is a cylinder, and the adjusting block is provided with a guide wheel which is in contact with the outer wall of the cylinder.
Preferably, the adjusting devices are multiple and are arranged at intervals of 90 degrees around the guide post.
Preferably, the adjusting device is provided with an upper layer and a lower layer.
Preferably, the stator and rotor combining device of the motor further comprises a guide rod for guiding when the end cover of the motor is butted with the shell.
The invention provides a motor stator and rotor combining device which comprises a support, a taper tool and an adjusting device, wherein the support comprises a support body and an installation plate fixed on the support body, the taper tool comprises a guide post, a first taper block and a second taper block which are matched through a taper surface, the adjusting device comprises an adjusting block and a threaded rod, a stator of a motor is fixed on the installation plate, the first taper block is used for being fixed on the end surface of a rotating shaft at one end of a rotor of the motor, the second taper block is fixed on the guide post, a through hole which is aligned with the installation position of the rotor inside the stator is formed in the installation plate, the guide post penetrates through the through hole, the adjusting device is arranged on the support body and is positioned below the installation plate and used for adjusting the inclination of the guide post, the adjusting block is in threaded connection with the threaded rod, and the adjusting block is in contact with the side wall of the guide post, the threaded rod is in threaded connection with the frame body.
During the use, fix the stator on the mounting panel, then fix first awl piece on the pivot terminal surface of the one end of the rotor of motor, put into the inside rotor mounted position of stator with the rotor from the top down, at this moment, the conical surface on the first awl piece docks with the conical surface on the second awl piece, for example, the conical surface on the first awl piece is the external cone face, the conical surface on the second awl piece is the internal cone face, make stator and rotor attach together firm centering, and simultaneously, twist the threaded rod, the regulating block can promote the guide post and incline to arbitrary direction, thereby adjust the rotor and incline to arbitrary direction, overcome the appeal, stator and rotor attach together firm centering has been solved, reduce the assembly problem that stator and rotor inhaled mutually.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a stator and rotor combining device of a motor according to an embodiment of the present invention.
In the above FIG. 1:
the device comprises a rotor 1, a stator 2, a taper tool 3, a mounting plate 4, an adjusting device 5, a guide rod 6, a stabilizing device 7, an end cover 8, a dial 9, an adjusting block 10, a threaded rod 11, a guide wheel 12 and a guide column 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a stator and rotor assembling device of a motor according to an embodiment of the present invention.
The motor stator and rotor combining device provided by the embodiment of the invention comprises a bracket, a taper tool 3 and an adjusting device 5, wherein the bracket comprises a bracket body and a mounting plate 4 fixed on the bracket body, the taper tool 3 comprises a guide post 13, a first taper block and a second taper block which are matched through a taper surface, the adjusting device 5 comprises an adjusting block 10 and a threaded rod 11, wherein a stator 2 of a motor is fixed on the mounting plate 4, the first taper block is used for being fixed on the end surface of a rotating shaft at one end of a rotor 1 of the motor, when the motor is installed, the end is downward and is called as the lower end of the rotor 1, the second taper block is fixed on the guide post 13, a through hole aligned with the rotor installation position in the stator 2 is formed in the mounting plate 4, the guide post 13 penetrates through the through hole, the adjusting device 5 is arranged on the bracket body and positioned below the mounting plate 4 and is used for adjusting the inclination, the adjusting block 10 contacts with the side wall of the guide column 13, and the threaded rod 11 is in threaded connection with the frame body.
When the motor stator is used, the stator 2 of the motor is internally embedded with a formed winding, the stator 2 is fixed on the mounting plate 4, then the first conical block is fixed on the end face of the rotating shaft at one end of the rotor 1 of the motor, the rotor 1 is placed into the rotor mounting position inside the stator 2 from top to bottom, at the moment, the conical surface on the first conical block is in butt joint with the conical surface on the second conical block, for example, the conical surface on the first conical block is an outer conical surface, and the conical surface on the second conical block is an inner conical surface, so that the stator and the rotor are firmly combined and centered, meanwhile, the threaded rod 11 is screwed, the adjusting block 10 can push the guide column 13 to incline towards any direction, the rotor 1 is adjusted to incline towards any direction, the attraction force is overcome, and the assembling problems of the stator.
In order to further optimize the above scheme, the other end of rotor 1 is connected through securing device 7 with the end cover 8 of motor, when the installation, because the other end of rotor 1 up, be called the upper end of rotor 1, end cover 8 is called the upper end cover of motor, securing device 7 is including the first body of rod and the second body of rod that are the criss-cross setting, the both ends of the first body of rod and the second body of rod are all fixed on end cover 8, the intersection of the first body of rod and the second body of rod passes through bolt and rotor 1's other end fixed connection. When the fixing device is installed, the mass of the upper end cover of the motor is not uniformly distributed on the circumference, and when the rotor 1 and the upper end cover need to be lifted by a crown block after the rotor 1 is turned into, the rotor 1 cannot be vertical, and the fixing device and the rotor are difficult to attach together, so that the fixing device 7 is adopted, has a basin-shaped cross structure, and realizes the relative stability of the upper end of the rotor 1 and the upper end cover. After the rotor 1 is installed in the upper end cover, the stabilizing device 7 is fixed on the end surface hole of the upper end of the rotating shaft and synchronously fixed on the end surface hole of the upper end cover.
Wherein, the first rod body and the second rod body are arranged in a basin shape, and the cross part of the first rod body and the second rod body is positioned at the lowest point. The unilateral clearance between the stator 2 and the rotor 1 is 1 mm.
Wherein, first awl piece is outer awl piece and second awl piece for interior awl piece or first awl piece is interior awl piece and second awl piece for outer awl piece, has convex outer conical surface on the outer awl piece, and interior awl piece has the interior conical surface of indent. After the conical surfaces of the first conical block and the second conical block of the taper tool 3 are matched, the periphery of the flange surface of the taper tool 3 is fastened into a whole by bolts, the rotor 1 and the tool are automatically and accurately centered by utilizing the taper, and meanwhile, the matched unilateral clearance between the taper tool 3 and the spigot of the end cover of the motor is 0.1 mm. The through holes on the flange face are designed to be waist-shaped holes, so that centering is facilitated, and interference is avoided.
Wherein, the support is the assembly welding structure, and the depth of parallelism requirement of upper and lower plane is within 0.1 mm. And meanwhile, reinforcing ribs are arranged on the circumference, and the upper surface is designed to pad the soft material layer, so that the seam allowance of the motor end cover is prevented from being damaged.
Wherein, guide post 13 is the cylinder, is provided with guide pulley 12 on the regulating block 10, and guide pulley 12 contacts with the outer wall of cylinder. The adjusting devices 5 are a plurality of and are arranged around the guide post at intervals of 90 degrees. The adjusting device 5 is provided with an upper layer and a lower layer.
In specific use, a plurality of groups of adjusting devices 5 are arranged at intervals of 90 degrees on the circumference, guide wheels 12 can be fixed on the stand columns of the bracket by bolts in a floating manner, and the adjusting devices 5 are arranged at the upper layer and the lower layer, so that the deflection of the rotor caused by the attraction of the stator and the rotor can be adjusted. Wherein, the surface of the guide wheel 12 is designed and embedded with a high-elasticity soft material, when the rotor 1 is laterally sucked, the lower guide wheel on the same side surface needs to be laterally sucked towards the center, and the upper guide wheel opposite to the lateral suction surface needs to be synchronously and outwardly regulated to correct the center of the rotor.
In order to further optimize the solution, a pointer is arranged at the bottom of the guide column 13, and a scale disc 9 used for indicating inclination is arranged at the bottom of the bracket and matched with the pointer. The basic reference value for determining the side suction direction of the rotor 1 and adjusting by the guide wheel 12 during the assembling process of the stator and the rotor is convenient. Specifically, in the process of assembling the stator and the rotor, if the pointer is not centered on the dial 9, the adjusting device on the opposite side of the pointer in the direction deviating from the dial 9 needs to be adjusted, so that the pointer is aligned with the center of the dial 9 to indirectly reflect that the gap around the stator and the rotor is uniform.
In order to further optimize the scheme, the stator and rotor combination device of the motor further comprises a guide rod 6 for guiding when the end cover 8 of the motor is butted with the shell. The guide rods 6 are multiple and are of long and thin structures, and mainly guide the stator and the rotor in the assembling process, and are multiple in length and size and convenient to use practically.
The motor stator and rotor combining device provided by the embodiment of the invention is mainly a set of method and device for combining a stator and a rotor in a narrow assembly space, which are designed when a motor with a compact structure is combined, and solves the assembly problems of stable and centered combination of the stator and the rotor, reduction of attraction between the stator and the rotor, and the like:
1. and a rotor end fixing device is designed to realize the relative fixing of the rotor at one end and the end cover 8.
2. A set of grouped guide rods 6 with two universal ends is designed to realize the guide of the combined stator and rotor.
3. And a rotating shaft extension taper tool is designed, so that the assembly centering property of the rotor 1 is improved.
4. The design of the stator and rotor combined workbench comprises guide posts 13 matched with the rotating shaft extension taper tool, paired guide wheel assemblies which are arranged at intervals of 90 degrees and can be loaded, deflection scale indication at the other end of the guide posts 13 and the like.
The function of each subassembly in the application in above-mentioned 4 th section in the device, realize the accurate centering of rotor 1 and frock, adjust the rotor skew condition in the assembling process, rectify the rotor center, attach together smoothly for deciding the rotor and provide the basis.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A motor stator and rotor combination device is characterized by comprising a bracket, a taper tool and an adjusting device,
the bracket comprises a bracket body and an installation plate fixed on the bracket body,
the taper tool comprises a guide post, a first taper block and a second taper block which are matched through a taper surface,
the adjusting device comprises an adjusting block and a threaded rod,
wherein,
the stator of the motor is fixed on the mounting plate,
the first conical block is used for being fixed on the end face of a rotating shaft at one end of a rotor of the motor, the second conical block is fixed on the guide post,
the mounting plate is provided with a through hole aligned with the mounting position of the rotor in the stator, the guide post passes through the through hole,
the adjusting device is arranged on the frame body and below the mounting plate and used for adjusting the inclination of the guide post, the adjusting block is in threaded connection with the threaded rod, the adjusting block is in contact with the side wall of the guide post, the threaded rod is in threaded connection with the frame body,
the other end of the rotor is connected with an end cover of the motor through a stabilizing device, the stabilizing device comprises a first rod body and a second rod body which are arranged in a cross way,
both ends of the first rod body and the second rod body are fixed on the end cover,
the crossing part of the first rod body and the second rod body is fixedly connected with the other end of the rotor through a bolt, the first rod body and the second rod body are arranged in a basin shape, the crossing part of the first rod body and the second rod body is positioned at the lowest point,
the guide post is a cylinder body,
the adjusting block is provided with a guide wheel which is contacted with the outer wall of the cylinder,
the adjusting devices are multiple and are arranged at intervals of 90 degrees around the guide posts,
the adjusting device is provided with an upper layer and a lower layer.
2. The stator and rotor combination device for the motor as claimed in claim 1, wherein the unilateral clearance between the stator and the rotor is 1 mm.
3. The stator-rotor assembly device for the motor as claimed in claim 1, wherein the first cone block is an outer cone block and the second cone block is an inner cone block or the first cone block is an inner cone block and the second cone block is an outer cone block.
4. The stator-rotor assembly device of an electric motor as claimed in claim 1, wherein a pointer is provided at the bottom of the guide column, and a dial for indicating inclination is provided at the bottom of the bracket to cooperate with the pointer.
5. The apparatus of claim 1 further comprising a guide bar for guiding when the end cap of the motor is mated with the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590827.6A CN107294315B (en) | 2017-07-19 | 2017-07-19 | A kind of electric machine rotor assembling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590827.6A CN107294315B (en) | 2017-07-19 | 2017-07-19 | A kind of electric machine rotor assembling apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107294315A CN107294315A (en) | 2017-10-24 |
| CN107294315B true CN107294315B (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710590827.6A Active CN107294315B (en) | 2017-07-19 | 2017-07-19 | A kind of electric machine rotor assembling apparatus |
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| CN (1) | CN107294315B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571987B (en) * | 2019-09-19 | 2020-10-23 | 中车株洲电机有限公司 | Motor assembling method |
| CN110994919A (en) * | 2019-12-24 | 2020-04-10 | 苏州绿控传动科技股份有限公司 | Motor stator and rotor assembling tool |
| CN110932496B (en) * | 2019-12-27 | 2024-05-31 | 南京磁谷科技股份有限公司 | Large motor rotor assembly fixture and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307816Y (en) * | 2008-12-02 | 2009-09-09 | 西安西玛电机(集团)股份有限公司 | General assembling equipment for stator and rotor of large-sized motor |
| JP2011229236A (en) * | 2010-04-16 | 2011-11-10 | Hitachi Ltd | Rotor insertion device and method for rotating electric machine |
| CN205986547U (en) * | 2016-08-28 | 2017-02-22 | 杭州奇虎节能技术有限公司 | A director for electric motor rotor assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4968535B2 (en) * | 2007-12-12 | 2012-07-04 | アイシン・エィ・ダブリュ株式会社 | Rotor assembly device |
| CN203608039U (en) * | 2013-12-12 | 2014-05-21 | 南车株洲电机有限公司 | Guiding tool for combining stator and rotor of permanent-magnet motor |
| CN106329853A (en) * | 2015-07-08 | 2017-01-11 | 安徽明腾永磁机电设备有限公司 | Assembling and positioning tool of permanent magnet motor |
| CN206164303U (en) * | 2016-08-28 | 2017-05-10 | 杭州奇虎节能技术有限公司 | Motor assembly machine |
-
2017
- 2017-07-19 CN CN201710590827.6A patent/CN107294315B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307816Y (en) * | 2008-12-02 | 2009-09-09 | 西安西玛电机(集团)股份有限公司 | General assembling equipment for stator and rotor of large-sized motor |
| JP2011229236A (en) * | 2010-04-16 | 2011-11-10 | Hitachi Ltd | Rotor insertion device and method for rotating electric machine |
| CN205986547U (en) * | 2016-08-28 | 2017-02-22 | 杭州奇虎节能技术有限公司 | A director for electric motor rotor assembly |
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| CN107294315A (en) | 2017-10-24 |
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