CN209267409U - A kind of used in new energy vehicles Rotor Assembly - Google Patents
A kind of used in new energy vehicles Rotor Assembly Download PDFInfo
- Publication number
- CN209267409U CN209267409U CN201822249548.6U CN201822249548U CN209267409U CN 209267409 U CN209267409 U CN 209267409U CN 201822249548 U CN201822249548 U CN 201822249548U CN 209267409 U CN209267409 U CN 209267409U
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- Prior art keywords
- rotor
- duplicate removal
- dynamic balancing
- section
- removal plate
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a kind of used in new energy vehicles Rotor Assembly, it include: rotor axis of electric, left dynamic balancing duplicate removal plate, rotor core and right dynamic balancing duplicate removal plate, right dynamic balancing duplicate removal plate is provided with cast gate, riser and duplicate removal on the outside and specifies area, and inside is provided with runner；Left dynamic balancing duplicate removal plate is provided with duplicate removal on the outside and specifies area, and inside is provided with runner；Rotor core includes the identical rotor section of 4 structures, and circumferentially direction is provided with multiple through-holes to each rotor section, is mounted with permanent magnet in each through-hole；Permanent magnet is fixed in through-holes by bonding agent, and cast gate, runner, through-hole constitute the circulation passage of bonding agent, and riser for bonding agent with outside air for being connected to.The utility model can save die cost, cast gate, riser, the runner design of the left and right dynamic balancing plate in iron core both ends, rotor assembly integral type encapsulating mode is realized, the cumbersome of the multiple encapsulating of segment core is avoided, improve encapsulating efficiency and ensure that surface quality.
Description
Technical field
The utility model relates to a kind of Rotor Assemblies, and in particular to a kind of used in new energy vehicles Rotor Assembly.
Background technique
Currently, Global Environmental Problems increasingly highlight, vehicle exhaust is considered as causing one of arch-criminal of the above problem, with
The appearance of the continuous consumption and increasingly strict emission regulation of petroleum-based energy, new-energy automobile is small as a kind of discharge, and pollution is few
The vehicles obtained the extensive attention of each vehicle factor, develop new-energy automobile and have become that automobile industry is very urgent to appoint
Business.And the major part of core drive component of the motor as new energy vehicle, even more integral vehicle cost and performance guarantee.Many institute's weeks
Know, motor is mainly made of field frame assembly, rotor assembly and shell three parts, wherein core design, permanent magnet in rotor assembly
Fixation, mechanical strength, axial moment, assembly efficiency, overall quality and cost problem are the consideration emphasis in its design.Mesh
Before, the problems such as there are magnet steel to be not fixed firmly in rotor assembly, encapsulating low efficiency, at high cost, and surface treatment quality is poor, due to more
Number rotor core considers that cost problem is used and designs without oblique pole or monocline pole, so that axially position torque is big, torque ripple is big, shadow
The problems such as ringing overall mechanism intensity.
It would therefore be highly desirable to need to provide a kind of magnet steel fixation, encapsulating is high-efficient, at low cost, and surface treatment quality is good, and
And axially position torque is small, torque ripple is small, does not influence the rotor assembly of overall mechanism intensity.
Utility model content
The example technical problems to be solved of the utility model are to provide a kind of used in new energy vehicles Rotor Assembly, this turn
Sub- assembly encapsulating is high-efficient, at low cost, and surface treatment quality is good, and axially position torque is small, torque ripple is small, does not influence whole
Body mechanism intensity.
The technical solution adopted in the utility model are as follows:
The utility model embodiment provides a kind of used in new energy vehicles Rotor Assembly, comprising: rotor axis of electric and successively
Left dynamic balancing duplicate removal plate, rotor core and the right dynamic balancing duplicate removal plate being assemblied on the rotor axis of electric, wherein described right dynamic
Balance duplicate removal plate is provided with cast gate, riser and duplicate removal on the outside and specifies area, and inside is provided with runner；The left dynamic balancing duplicate removal
Plate is provided with duplicate removal on the outside and specifies area, and inside is provided with runner；
The rotor core includes the identical rotor section of 4 structures, respectively along the left dynamic balancing duplicate removal plate to described
The first rotor section, the second rotor section, third trochanter section and the fourth trochanter section that right dynamic balancing duplicate removal plate direction is sequentially arranged, each
Circumferentially direction is provided with multiple through-holes to rotor section, is mounted with permanent magnet in each through-hole, wherein the second rotor section and third turn
Subsegment overturns 180 ° relative to the first rotor section in the diametrical direction of rotor core, the dress of fourth trochanter section and the first rotor section
It is identical with mode；
The permanent magnet is fixed in the through hole by bonding agent, the stream of the cast gate, the right dynamic balancing duplicate removal plate
The runner in road, the through-hole and the left dynamic balancing duplicate removal plate constitutes the circulation passage of the bonding agent, and the riser is for supplying
The bonding agent is connected to outside air.
Optionally, the left dynamic balancing duplicate removal plate is circumferentially formed on the outside as duplicate removal the groove for specifying area, and
It surveys inside and circumferentially forms the runner.
Optionally, the left dynamic balancing duplicate removal plate is surveyed form two runners being connected along circumferential direction inside.
Optionally, the right dynamic balancing duplicate removal plate is formed on the outside as duplicate removal the groove for specifying area along circumferential direction,
And it surveys circumferentially form the runner inside.
Optionally, the right dynamic balancing duplicate removal plate is surveyed form two runners being connected along circumferential direction inside.
Optionally, the rotor section is connected by key Standard and is fixed on the rotor axis of electric, the key connection
Structure includes being axially formed and to the symmetrical convex key of rotor axis of electric a pair outstanding and shape along the rotor section
At keyway compatible with the convex key on the rotor axis of electric.
Optionally, the rotor section is formed with labeled slots, the labeled slots in the axial direction, in the region close to the convex key
For providing reference position to assemble the rotor section.
Optionally, the rotor section is formed with along interior circumferential direction and multiple removes repeated hole.
Optionally, the bonding agent is epoxide-resin glue.
Used in new energy vehicles Rotor Assembly provided by the embodiment of the utility model, by being equipped at rotor axis of electric both ends
Dynamic balancing duplicate removal plate opens up cast gate, riser and runner on right dynamic balancing duplicate removal plate, opens up runner in left dynamic balancing duplicate removal plate,
The circulation passage that the through-hole on cast gate, runner and rotor core forms the bonding agent of fixed permanent magnet is passed sequentially through, by riser
It is exhausted, to improve surface quality and assembly efficiency of the rotor core assembly during encapsulating, avoids additional note
The preparation of glue tooling, reduces costs.In addition, rotor core is divided into four sections, four sections of completely the same iron cores pass through positive and negative dress
Assembly technology only pass through a set of rotor iron core lamination so that effectively reducing torque ripple and while axially position torque
Mold realizes the oblique pole configuration of V-type of four sections of rotor cores, under the premise of not increasing cost, largely improves motor and turns
The effective performance of sub- assembly, meanwhile, reduce part category, avoids the works such as a series of management extra on production line, inspection
Make.
Detailed description of the invention
Fig. 1 is a kind of used in new energy vehicles Rotor Assembly elevational cross-sectional view of the utility model；
Fig. 2 and Fig. 3 is from the used in new energy vehicles Rotor Assembly of the utility model that left and right side is observed respectively
The front view of right dynamic balancing duplicate removal plate；
Fig. 4 and Fig. 5 is from the used in new energy vehicles Rotor Assembly of the utility model that left and right side is observed respectively
The front view of left dynamic balancing duplicate removal plate；
Fig. 6 is the left view cross-sectional view observed from the direction A-A of Fig. 1；
Fig. 7 is the left view cross-sectional view observed from the direction B-B of Fig. 1；
Fig. 8 is the left view cross-sectional view observed from the direction C-C of Fig. 1；
Fig. 9 is the left view cross-sectional view observed from the direction D-D of Fig. 1；
Figure 10 is that the rotor core assembly of the utility model is mounted on axial sectional view on rotor axis of electric.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
As shown in Figure 1, used in new energy vehicles Rotor Assembly provided by the embodiment of the utility model, comprising: rotor
Axis 1 and the left dynamic balancing duplicate removal plate 5 being successively assemblied on the rotor axis of electric 1, rotor core 4 and right dynamic balancing duplicate removal plate 3.
As shown in Figures 2 and 3, the right dynamic balancing duplicate removal plate 3 is provided with cast gate 8, riser 9 and duplicate removal on the outside and specifies area 10, inside
Side is provided with runner 11；As shown in Figure 4 and Figure 5, the left dynamic balancing duplicate removal plate 5 is provided with duplicate removal on the outside and specifies area 12,
Inside is provided with runner 13；As shown in Fig. 6 to Figure 10, the rotor core includes the identical rotor section of 4 structures, respectively edge
The first rotor section that the left dynamic balancing duplicate removal plate is sequentially arranged to the right dynamic balancing duplicate removal plate direction, the second rotor section,
Triple-spool section and fourth trochanter section, circumferentially direction is provided with multiple through-holes 7 to each rotor section, is mounted with forever in each through-hole 7
Magnet 6, wherein the second rotor section and third trochanter section are overturn in the diametrical direction of rotor core relative to the first rotor section
180 °, fourth trochanter section is identical as the assembly method of the first rotor section；The permanent magnet 6 is fixed on the through-hole by bonding agent
In 7, the cast gate 8, the runner 11 of the right dynamic balancing duplicate removal plate, the through-hole 7 and the left dynamic balancing duplicate removal plate runner
13 constitute the circulation passage of the bonding agent, and the riser 9 is used to be connected to for the bonding agent with outside air.
Used in new energy vehicles Rotor Assembly provided by the embodiment of the utility model, by being equipped at rotor axis of electric both ends
Duplicate removal plate opens up cast gate, riser and runner on right dynamic balancing duplicate removal plate, opens up runner in left dynamic balancing duplicate removal plate, successively leads to
The through-hole crossed on cast gate, runner and rotor core forms the circulation passage of the bonding agent of fixed permanent magnet, is arranged by riser
Gas avoids additional glue-injection frock to improve surface quality and assembly efficiency of the rotor core assembly during encapsulating
Preparation, reduce costs.In addition, rotor core is divided into four sections, by the assembly technology of positive and negative dress, so that effective reduced
While torque ripple and axially position torque, the V of four sections of rotor cores is only realized by a set of rotor iron core lamination mold
The oblique pole configuration of type largely improves the effective performance of Rotor Assembly under the premise of not increasing cost.
Further, in the utility model embodiment, left dynamic balancing duplicate removal plate 5, rotor core 4 and right dynamic balancing duplicate removal
Plate 3 is locked after being sequentially loaded on rotor axis of electric 1 by locking nut 2.
Further, in the utility model illustrative examples, as shown in Figures 2 and 3, the right dynamic balancing duplicate removal plate
3 are formed on the outside as duplicate removal the groove for specifying area along circumferential direction, i.e., the groove carries out duplicate removal, and is surveyed inside along week
To the runner 11 is formed, specific survey inside forms two runners being connected along circumferential direction, and the utility model is to runner 11
Size be not particularly limited, as long as matching the bonding agent that can swimmingly circulate with the through-hole 7 on rotor core.Cast gate
8 may be provided on runner 11.In addition, right dynamic balancing duplicate removal plate 3 outer lateral edge radial direction be formed with it is multiple outwardly projecting
Reinforcing rib (as shown in Figure 3), to enhance the structural strength of right dynamic balancing duplicate removal plate 3.Correspondingly, as shown in Figure 4 and Figure 5, described
Left dynamic balancing duplicate removal plate 5 is circumferentially formed on the outside as duplicate removal the groove for specifying area 12, i.e., carries out duplicate removal in the groove,
And it surveys circumferentially form the runner 13 inside, can specifically survey inside and form two runners being connected along circumferential direction, this
The size of runner 13 is not particularly limited in utility model, as long as matching with the through-hole 7 on rotor core swimmingly to flow
Logical bonding agent.In addition, the outer lateral edge radial direction in left dynamic balancing duplicate removal plate 5 is formed with multiple outwardly projecting reinforcing ribs
(as shown in Figure 5), to enhance the structural strength of left dynamic balancing duplicate removal plate 5.In rotor dynamic balancing correction, pass through rotor dynamic balancing
Test can specify the duplicate removal of area 10 and left dynamic balancing duplicate removal plate 5 that area 12 is specified to be gone in the duplicate removal of right dynamic balancing duplicate removal plate 3
Weight avoids selecting inappropriate duplicate removal position to cause part the influence of rigidity in practical, while guaranteeing Rotor Assembly
Requirement for dynamic balance.It should be noted that duplicate removal plate duplicate removal specify area diameter can according to the actual conditions of duplicate removal plate come into
Row setting, this is not particularly limited in the utility model, as long as can be under the premise of not causing a devastating effect to duplicate removal plate
Realize effective duplicate removal.
Further, in the utility model embodiment, each rotor section is built up by the riveting of multiple rotor punchings.Such as Fig. 6
To shown in Figure 10, in the utility model embodiment, each rotor section can be solid by being interference fitted and/or being keyed Standard
Be scheduled on the rotor axis of electric, that is to say, that each rotor section can separately through interference fit perhaps be keyed structure or
Can simultaneously by both with rotor axis connection, in the utility model embodiment, preferably separately through key connection structure into
Row connection, it is further preferred that simultaneously by interference fit and be keyed structure be attached, with realize rotor section location and installation and
With being bonded for rotor axis of electric.In the utility model embodiment, value of interference fit can be according to actual revolving speed and torque
It determines, the utility model is not particularly limited.The key connection structure may include being axially formed simultaneously along the rotor section
And to the rotor axis of electric a pair of symmetrical convex key 14 outstanding, and it is formed on the rotor axis of electric and the convex key
Compatible keyway 15.Convex key 14 and rotor section are integrally formed, when installing rotor section, are led by convex key 14 and keyway 15
To, positioning and auxiliary anti-rotating function.
In the utility model embodiment, in the feelings being connect using key connection structure realization rotor section with rotor axis of electric
Under condition, the rotor section is formed with labeled slots 16 in the axial direction, in the region close to the convex key, and the labeled slots are used for as dress
Reference position is provided with the rotor section.In one example, the first rotor section assembly as shown in fig. 6, labeled slots 16 be located at turn
The bottom-left quadrant of the installation region of subsegment.Second rotor section is overturn into 180 ° of loadings, mark by axis of the center line of two convex keys
The positional relationship of slot and convex key is remembered as shown in fig. 7, being after the assembly of the second rotor section, labeled slots are located at the installation region of rotor section
Lower right region.Third trochanter section, labeled slots and convex key after assembly are assembled with assembly method identical with the second rotor section
Positional relationship it is as shown in Figure 8.The assembly method of fourth trochanter section is identical as the assembly method of the first rotor section, the mark after assembly
Remember that the positional relationship of slot and convex key is as shown in Figure 9.In this way, the assembly method by positive and negative dress assembles rotor section, so that after assembly
Rotor section form the oblique pole structure of V-type, as shown in Figure 10, i.e., between the first rotor section and the second rotor section and third trochanter section
It is staggered in the circumferential between fourth trochanter section, as shown in the a-quadrant in Figure 10, in this way, it is only necessary to a set of rotor iron core lamination
Mold molding, is greatly saved die cost.In one illustrative examples of the utility model, two neighboring rotor section exists
Offset angular in circumferential direction is 3.75 °.
In addition, as shown in Figures 6 to 9, each rotor section is formed with along interior circumferential direction and multiple removes repeated hole.In the utility model
In example, each rotor section be provided with 8 it is pentagonal remove repeated hole, to reduce the weight of rotor section, the power for improving motor is close
Degree.
In addition, as shown in Figures 6 to 9, the through-hole 7 that each rotor section is used to install permanent magnet 6 is formed as incline structure,
Every two through-hole constitutes V-shape structure, and each through-hole has placement portion compatible with 6 shape of permanent magnet and for bonding agent stream
Logical throughput.It altogether include 8 pairs of through-holes, i.e. 16 through-holes, composition rotor is extremely right in this way in the utility model embodiment
Number is 8.Certainly it is not limited thereto, can be designed according to actual needs, such as through-hole may be designed to "-" type, strip
Etc. various shapes.
The fixation of permanent magnet 6 is being sequentially loaded by left dynamic balancing duplicate removal plate 5, rotor core 4 and right dynamic balancing duplicate removal plate 3
It is carried out after being locked on rotor axis of electric 1 and by locking nut 2.It is available in the utility model embodiment
Permanent magnet 6 is fixed in through-hole 7 by epoxide-resin glue.Specifically, from cast gate 8, by certain speed, (speed is according to the actual situation
It is determined) casting epoxy resin glue, runner 11, through-hole 7 and runner 13 are passed sequentially through, epoxide-resin glue is made to flow through and fill
Full through-hole 7, is exhausted, final curing by riser 9, completes the fixation to permanent magnet 6.This fixed form effectively avoids
Problem caused by epoxide-resin glue directly is irrigated to rotor core 4, if surface quality is poor, scale removal process is cumbersome, needs
The problems such as additional preparation casting tooling, to improve the surface quality and assembly efficiency of rotor core 4, also reduce tooling at
This.
Embodiment described above, only specific embodiment of the present utility model, to illustrate the technology of the utility model
Scheme, rather than its limitations, the protection scope of the utility model are not limited thereto, although practical to this with reference to the foregoing embodiments
It is novel to be described in detail, those skilled in the art should understand that: any technology people for being familiar with the art
Member within the technical scope disclosed by the utility model, can still modify to technical solution documented by previous embodiment
Or variation or equivalent replacement of some of the technical features can be readily occurred in；And these modifications, variation or replacement,
The spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution should all cover at this
Within the protection scope of utility model.Therefore, the protection scope of the utility model is answered described is with scope of protection of the claims
It is quasi-.
Claims (9)
1. a kind of used in new energy vehicles Rotor Assembly characterized by comprising rotor axis of electric and be successively assemblied in the electricity
Left dynamic balancing duplicate removal plate, rotor core and right dynamic balancing duplicate removal plate on machine rotor axis, wherein the right dynamic balancing duplicate removal plate exists
Outside is provided with cast gate, riser and duplicate removal and specifies area, and inside is provided with runner；The left dynamic balancing duplicate removal plate is arranged on the outside
There is duplicate removal to specify area, inside is provided with runner；
The rotor core includes the identical rotor section of 4 structures, respectively dynamic to the right side along the left dynamic balancing duplicate removal plate
The first rotor section, the second rotor section, third trochanter section and the fourth trochanter section that balance duplicate removal plate direction is sequentially arranged, each rotor
Circumferentially direction is provided with multiple through-holes to section, is mounted with permanent magnet in each through-hole, wherein the second rotor section and third trochanter section
180 ° are overturn in the diametrical direction of rotor core relative to the first rotor section, the assembly side of fourth trochanter section and the first rotor section
Formula is identical；
The permanent magnet is fixed in the through hole by bonding agent, the cast gate, the runner of the right dynamic balancing duplicate removal plate, institute
The runner for stating through-hole and the left dynamic balancing duplicate removal plate constitutes the circulation passage of the bonding agent, and the riser is used for for described viscous
Agent is connect to be connected to outside air.
2. used in new energy vehicles Rotor Assembly according to claim 1, which is characterized in that the left dynamic balancing duplicate removal plate
It is circumferentially formed on the outside as duplicate removal and specifies the groove in area, and surveyed circumferentially form the runner inside.
3. used in new energy vehicles Rotor Assembly according to claim 1, which is characterized in that the left dynamic balancing duplicate removal plate
Two runners being connected of formation along circumferential direction are surveyed inside.
4. used in new energy vehicles Rotor Assembly according to claim 1, which is characterized in that the right dynamic balancing duplicate removal plate
It is formed with along circumferential direction on the outside as duplicate removal and specifies the groove in area, and surveyed circumferentially form the runner inside.
5. used in new energy vehicles Rotor Assembly according to claim 1, which is characterized in that the right dynamic balancing duplicate removal plate
Two runners being connected of formation along circumferential direction are surveyed inside.
6. used in new energy vehicles Rotor Assembly according to claim 1, which is characterized in that the rotor section is connected by key
Standard is connect to be fixed on the rotor axis of electric, it is described key connection structure include along the rotor section be axially formed and
To the rotor axis of electric symmetrical convex key of a pair outstanding, and it is formed on the rotor axis of electric and is mutually fitted with the convex key
The keyway matched.
7. used in new energy vehicles Rotor Assembly according to claim 6, which is characterized in that the rotor section is in axial direction
Above, labeled slots are formed in the region close to the convex key, the labeled slots are used to assemble the rotor section and provide reference bit
It sets.
8. used in new energy vehicles Rotor Assembly according to claim 6, which is characterized in that the rotor section is along inner circumferential side
Multiple repeated hole is removed to being formed with.
9. used in new energy vehicles Rotor Assembly according to claim 1, which is characterized in that the bonding agent is asphalt mixtures modified by epoxy resin
Rouge glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249548.6U CN209267409U (en) | 2018-12-29 | 2018-12-29 | A kind of used in new energy vehicles Rotor Assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822249548.6U CN209267409U (en) | 2018-12-29 | 2018-12-29 | A kind of used in new energy vehicles Rotor Assembly |
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| Publication Number | Publication Date |
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| CN209267409U true CN209267409U (en) | 2019-08-16 |
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ID=67565873
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| CN201822249548.6U Active CN209267409U (en) | 2018-12-29 | 2018-12-29 | A kind of used in new energy vehicles Rotor Assembly |
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| CN (1) | CN209267409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861482A (en) * | 2018-12-29 | 2019-06-07 | 中国第一汽车股份有限公司 | A kind of used in new energy vehicles Rotor Assembly |
-
2018
- 2018-12-29 CN CN201822249548.6U patent/CN209267409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861482A (en) * | 2018-12-29 | 2019-06-07 | 中国第一汽车股份有限公司 | A kind of used in new energy vehicles Rotor Assembly |
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