CN108711982A - A kind of motor rotor construction and its assembly method - Google Patents
A kind of motor rotor construction and its assembly method Download PDFInfo
- Publication number
- CN108711982A CN108711982A CN201810738744.1A CN201810738744A CN108711982A CN 108711982 A CN108711982 A CN 108711982A CN 201810738744 A CN201810738744 A CN 201810738744A CN 108711982 A CN108711982 A CN 108711982A
- Authority
- CN
- China
- Prior art keywords
- bearing
- shaft
- rotor assembly
- motor rotor
- iron core
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to technical field of motors, more particularly to a kind of motor rotor construction and its assembly method.This kind of motor rotor construction, including iron core, rotor assembly, the rotor assembly includes the shaft and bearing of assembled connection, the bearing includes outer ring, rolling element, the support of bearing, a circle bearing inner race road is provided in the shaft, the rolling element is fixed on by the support of bearing between outer ring and interior raceway groove, and described shaft one end is provided with bond structure, and the iron core is provided with the bond type hole coordinated with bond structure.The inner ring that the motor rotor construction of the present invention substitutes bearing by the way that bearing inner race road is arranged in shaft, makes shaft become rotor assembly with bearing integrated, existing damage of the bearing when to solve the problems, such as that traditional shaft is pressed into bearing process；And rotor assembly is coordinated by bond structure and iron core, need not use interference fit again, solves the problems, such as existing shaft bending deformation when shaft is pressed into iron core.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of motor rotor construction and its assembly method.
Background technology
Existing motor rotor component includes bearing, rotor core, armature spindle, and shaft enters iron to rotor assembly assembly method before this
Core, then bearing is pressed onto in shaft.
Such as application No. is assembly methods and reality that rotor and mandrel are disclosed in the patent of CN201711295278.6
The rotor shaft tooling of existing this method, belongs to rotor indentation assembling process technique field, and rotor shaft tooling includes being used for
Guiding mandrel enters the guiding piece of the core axle hole of rotor and for being passed through for mandrel so that mandrel stretches out the core of rotor
The cushion block of axis hole, guiding piece are equipped with for guiding that is corresponding with the core axle hole of rotor and being slidably matched with mandrel guiding
Hole, the guiding piece have for the guiding piece rotor engagement portion with rotor upper end location fit, and the guide hole passes through
Guiding element rotor engagement portion is connected, ensures that guide hole turns with motor by the positioning between guiding piece rotor engagement portion and rotor
The concentricity of the core axle hole of son solves the problems, such as that it is inclined to be easy pressure for mandrel when mandrel is assembled with rotor.
Above-mentioned patent solves the problems, such as that mandrel is easy to press inclined when mandrel is assembled with rotor, but technological process is multiple
It is miscellaneous, and shaft and iron core are interference fit in the prior art, shaft has the risk of flexural deformation in process of press in, and such as torque
When excessive can cored slip risk, and shaft the problem of there is also damage of the bearing during being pressed into bearing, cause bearing
Abnormal sound, the machine that need to tear open are reprocessed, low production efficiency.
Invention content
To solve the above problems, a kind of motor rotor construction of present invention offer and its assembly method.
To achieve the above object, technical scheme is as follows：A kind of motor rotor construction, including iron core further include
Rotor assembly, the rotor assembly includes the shaft of assembled connection and bearing, the bearing include outer ring, rolling element, bearing branch
Frame, is provided with a circle bearing inner race road in the shaft, the rolling element by the support of bearing be fixed on outer ring and interior raceway groove it
Between, described shaft one end is provided with bond structure, and the iron core is provided with the bond type hole coordinated with bond structure.
Further, the bearing further includes dustproof cover, there are two the dustproof cover is set, is respectively arranged at outer ring both ends.
Further, the rolling element uses bearing ball.
Further, the bond structure cross section is slightly less than shaft circular section, makes root and the shaft intersection of bond structure
Form location structure.
Further, the bond structure is coordinated with bond type hole using small―gap suture mode.
Further, the cross section of the bond structure is rectangular.
Further, the circumscribed circle diameter of the bond structure cross section be A, a diameter of B in circular section of the shaft, it is described
The magnitude relationship of A and B is：
Further, the rotor assembly includes preceding rotor assembly and rear rotor assembly, the front and back rotor assembly difference
It is installed on iron core both ends.
Further, the shaft of the preceding rotor assembly extends outward to form output end.
Further, the support of bearing includes two half holders coordinated with rolling element, and two and half holder riveteds are formed
The support of bearing.
The present invention also provides a kind of assembly methods of above-mentioned motor rotor construction, include the following steps：
Step 1 assembles rotor assembly, and bearing outer ring is passed through and shaft and is positioned at shaft raceway groove, bearing outer ring with
It is filled with rolling element between the interior raceway groove of shaft, by rolling element marshalling, the support of bearing is loaded onto and fixes rotor assembly；
Step 2 assembles iron core and rotor assembly, and the bond structure of the rotor assembly assembled is inserted into iron core bond type hole.
By the above-mentioned description of this invention it is found that compared with prior art, motor rotor construction of the invention is by turning
The inner ring that bearing inner race road substitutes bearing is set on axis, so that shaft is become rotor assembly with bearing integrated, to solve tradition
Shaft is pressed into existing damage of the bearing problem when bearing process；And rotor assembly is coordinated by bond structure and iron core, is not needed
Again using interference fit, solves the problems, such as existing shaft bending deformation when shaft is pressed into iron core.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of motor rotor construction in the embodiment of the present invention；
Fig. 2 is the decomposition diagram of motor rotor construction in the embodiment of the present invention；
Fig. 3 is the stereoscopic schematic diagram of preceding rotor assembly in the embodiment of the present invention；
Fig. 4 is the decomposition diagram of rear rotor assembly in the embodiment of the present invention；
Fig. 5 is the schematic cross-section of iron core in the embodiment of the present invention；
Fig. 6 is the schematic diagram of mesodesmic structure of the embodiment of the present invention and shaft.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.
As shown in figs. 1 to 6, a kind of motor rotor construction, including iron core 1 further include rotor assembly 2, the rotor assembly 2
Shaft 3 including assembly connection and bearing 4, the bearing 4 include outer ring 41, rolling element 42, the support of bearing 43, dustproof cover 44,
Be provided with a circle bearing inner race road 31 in the shaft 3, the rolling element 42 by the support of bearing 43 be fixed on outer ring 41 with it is interior
Between raceway groove 31, there are two the dustproof cover 44 is set, 41 both ends of outer ring are respectively arranged at, the rolling element 42 is rolled using bearing
Pearl, the support of bearing 43 include two half holders coordinated with rolling element 42, and two and half holder riveteds form the support of bearing.Turn
Sub-component 2 realizes the effect that shaft 3 is integrated with bearing 4, and the assemble flow cancelled shaft 3 and be pressed into bearing 4 is realized with this, into
And realize 4 damage problem of bearing for avoiding being generated when indentation, solve the problems, such as 4 abnormal sound of bearing；The rotor assembly 2 includes preceding rotor
Component 21 and rear rotor assembly 22, the front and back rotor assembly 21,22 are respectively arranged in 1 both ends of iron core, the preceding rotor assembly
21 shaft 3 extends outward to form output end 211, and the support of bearing includes two half holders coordinated with rolling element, two
Half holder riveted forms the support of bearing.
3 one end of the shaft is provided with bond structure 5, and the iron core 1 is provided with the bond type hole 11 coordinated with bond structure 5, institute
It states bond structure 5 with bond type hole 11 to coordinate using small―gap suture mode, can shaft 3 be directly inserted into iron core 1, component assembly is difficult
Low, production efficiency height is spent, while solving shaft 3 and being pressed into problem on deformation, and can avoid shaft 3 and 1 slippage problems of iron core；It is described
5 cross section of bond structure is slightly less than 3 circular section of shaft, and the root of bond structure 5 is made to form location structure 6 with 3 intersection of shaft, axial
Location structure 6 plays the role of axially position when coordinating with iron core 1 for shaft 3；The cross section of shown bond structure 5 be it is rectangular,
The circumscribed circle diameter of the bond structure cross section is A, a diameter of B in circular section of the shaft 3, for convenience of the processing of bond structure 5,
The magnitude relationship of the A and B is ranging from：
The present invention also provides a kind of assembly methods of above-mentioned motor rotor construction, include the following steps：
Step 1 assembles rotor assembly 2, and bearing outer ring 41 is passed through shaft 3 and is positioned at interior raceway groove 31, outside bearing
It is filled with bearing ball 42 between circle 41 and interior raceway groove 31, by 42 marshalling of bearing ball, two and half holders is each passed through and are turned
3 both ends of axis are simultaneously bonded at bearing ball 42, two and half holder riveteds are formed the fixed support of bearing 43, by two dustproof covers
44 are each passed through 3 both ends of shaft and are fixed on 41 both ends of outer ring；
Step 2, assembly iron core 1 and front and back rotor assembly 21,22, by the bond of the front and back rotor assembly 21,22 assembled
Structure 5 is inserted into from the both ends in iron core bond type hole 11 in iron core 1 respectively, and is blocked at location structure 6.
The motor rotor construction of the present invention is assembled by preceding rotor assembly 21, rear rotor assembly 22, iron core 1, can be total
Assembling production lines directly assemble, and without in addition setting rotor production line, can reduce production cost.
It is appreciated that the present invention is described by some embodiments, and what those skilled in the art knew, it is not taking off
In the case of from the spirit and scope of the present invention, various changes or equivalence replacement can be carried out to these features and embodiment.Separately
Outside, under the teachings of the present invention, can modify to these features and embodiment with adapt to particular situation and material without
The spirit and scope of the present invention can be detached from.Therefore, the present invention is not limited to the particular embodiment disclosed, and is fallen with
Embodiment within the scope of claims hereof belong to the present invention protect in the range of.
Claims (11)
1. a kind of motor rotor construction, including iron core, it is characterised in that：Further include rotor assembly, the rotor assembly includes spelling
The shaft and bearing that load connects, the bearing include outer ring, rolling element, the support of bearing, and a circle bearing is provided in the shaft
Interior raceway groove, the rolling element are fixed on by the support of bearing between outer ring and interior raceway groove, and described shaft one end is provided with bond structure,
The iron core is provided with the bond type hole coordinated with bond structure.
2. motor rotor construction according to claim 1, it is characterised in that：The bearing further includes dustproof cover, described anti-
Dirt is covered with two, is respectively arranged at outer ring both ends.
3. motor rotor construction according to claim 1, it is characterised in that：The rolling element uses bearing ball.
4. motor rotor construction according to claim 1, it is characterised in that：The bond structure cross section is slightly less than shaft circle
Section makes the root of bond structure form location structure with shaft intersection.
5. motor rotor construction according to claim 1, it is characterised in that：The bond structure uses small―gap suture with bond type hole
Mode coordinates.
6. motor rotor construction according to claim 1, it is characterised in that：The cross section of the bond structure is rectangular.
7. motor rotor construction according to claim 6, it is characterised in that：The circumscribed circle diameter of the bond structure cross section
Magnitude relationship for A, a diameter of B in circular section, the A and the B of the shaft is：
8. motor rotor construction according to claim 1, it is characterised in that：The rotor assembly include preceding rotor assembly with
Rotor assembly afterwards, the front and back rotor assembly are respectively arranged in iron core both ends.
9. motor rotor construction according to claim 8, it is characterised in that：The shaft of the preceding rotor assembly extends outwardly
Form output end.
10. motor rotor construction according to claim 1, it is characterised in that：The support of bearing includes two and rolling
Half holder of body cooperation, two and half holder riveteds form the support of bearing.
11. a kind of assembly method of motor rotor construction, which is characterized in that include the following steps：
Step 1 assembles rotor assembly, and bearing outer ring is passed through shaft and is positioned at shaft raceway groove, in bearing outer ring and shaft
Interior raceway groove between be filled with rolling element, by rolling element marshalling, load onto the support of bearing and fix rotor assembly；
Step 2 assembles iron core and rotor assembly, and the bond structure of the rotor assembly assembled is inserted into iron core bond type hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738744.1A CN108711982B (en) | 2018-07-06 | 2018-07-06 | Motor rotor structure and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738744.1A CN108711982B (en) | 2018-07-06 | 2018-07-06 | Motor rotor structure and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108711982A true CN108711982A (en) | 2018-10-26 |
| CN108711982B CN108711982B (en) | 2024-05-28 |
Family
ID=63874931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738744.1A Active CN108711982B (en) | 2018-07-06 | 2018-07-06 | Motor rotor structure and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108711982B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202550720U (en) * | 2012-03-06 | 2012-11-21 | 深圳市福义乐磁性材料有限公司 | Coupling structure of iron core and rotating shaft |
| CN203532687U (en) * | 2013-09-05 | 2014-04-09 | 陕西法士特齿轮有限责任公司 | Connecting device of intermediate shaft gear and intermediate shaft |
| CN204391923U (en) * | 2015-03-17 | 2015-06-10 | 福安市星时代电机有限公司 | A kind of rotor |
| CN106849478A (en) * | 2017-04-01 | 2017-06-13 | 无锡康沃特变频电机有限公司 | A kind of pivot structure and motor rotor component and motor |
| CN208316446U (en) * | 2018-07-06 | 2019-01-01 | 珠海格力电器股份有限公司 | A kind of motor rotor construction |
-
2018
- 2018-07-06 CN CN201810738744.1A patent/CN108711982B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202550720U (en) * | 2012-03-06 | 2012-11-21 | 深圳市福义乐磁性材料有限公司 | Coupling structure of iron core and rotating shaft |
| CN203532687U (en) * | 2013-09-05 | 2014-04-09 | 陕西法士特齿轮有限责任公司 | Connecting device of intermediate shaft gear and intermediate shaft |
| CN204391923U (en) * | 2015-03-17 | 2015-06-10 | 福安市星时代电机有限公司 | A kind of rotor |
| CN106849478A (en) * | 2017-04-01 | 2017-06-13 | 无锡康沃特变频电机有限公司 | A kind of pivot structure and motor rotor component and motor |
| CN208316446U (en) * | 2018-07-06 | 2019-01-01 | 珠海格力电器股份有限公司 | A kind of motor rotor construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108711982B (en) | 2024-05-28 |
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