CN109560625A - A kind of split-type stator core installation fixed structure and fixing means - Google Patents
A kind of split-type stator core installation fixed structure and fixing means Download PDFInfo
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- CN109560625A CN109560625A CN201910064995.0A CN201910064995A CN109560625A CN 109560625 A CN109560625 A CN 109560625A CN 201910064995 A CN201910064995 A CN 201910064995A CN 109560625 A CN109560625 A CN 109560625A
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- stator
- stator core
- full circle
- split
- core
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of split-type stator core installation fixed structure and fixing means, including stator case and full circle stator core, full circle stator core includes multiple split-type stator cores, split-type stator core includes multiple divided stator valve punchings, divided stator valve punching includes yoke portion and several notch teeth for being distributed on the inner ring in yoke portion, yoke portion one end is equipped with technique groove, the other end is equipped with false boss, yoke portion outer ring is equipped with positioning groove, multiple divided stator valve punchings form split-type stator core by the mutual tinertoy of self-clinching point, multiple split-type stator cores are spliced into full circle stator core, the inner wall of stator case is equipped with positioning convex platform, stator case is set on full circle stator core and positioning convex platform is embedded into the positioning groove on full circle stator core.The present invention is not necessarily to welding fabrication, not high to the dimensional accuracy and rigidity requirement of split-type stator core, is convenient for process control, high production efficiency, and production equipment is simple, manufacturing cost is low.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of split-type stator core installation fixed structure and fixation side
Method.
Background technique
Selection can be gone not to stator punching and rotor punching according to motor performance and cost factor when carrying out design of electrical motor
The material of same specification causes rotor cannot be using set sheet mode manufacture in a state of excitement.It will be future using split-type stator punching
Servo motor and new energy motor a developing direction.Although common split-type stator punching improves material use
Rate reduces mould development expense, can be produced using small tonnage high velocity ram machine;But split-type stator punching increases iron core splicing
Combination, compression and welding sequence pass through the fixation that above-mentioned operation realizes split-type stator core;Especially iron core welding sequence,
To the more demanding of product and equipment, and the precision of stator core and rigidity are more difficult to control, and production efficiency is not high.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of split-type stator iron in view of the above shortcomings of the prior art
Core installs fixed structure and fixing means, this split-type stator core installs the divided stator valve punching of fixed structure and fixing means
Tinertoy is compressed by recombinant after desired height lamination, forms split-type stator core, multiple split-type stator cores are spliced to form
Full circle stator core, full circle stator core radially mainly pass through the convex of positioning groove and stator case on itself circumference
Being coupled for platform is fixed to transmit torque, and whole process is not necessarily to welding fabrication, and such fixed form is to split-type stator core
Dimensional accuracy and rigidity requirement it is not high, be convenient for process control, high production efficiency, and production equipment is simple, manufacturing cost is low.
To realize the above-mentioned technical purpose, the technical scheme adopted by the invention is as follows:
A kind of split-type stator core installation fixed structure, including stator case and full circle stator core, the full circle stator iron
Core is mutually spliced by multiple split-type stator cores, and the split-type stator core includes multiple divided stator valve punchings, institute
State several notch teeth that divided stator valve punching includes arc yoke portion He is evenly distributed on the inner ring in yoke portion, adjacent notch tooth
Between form notch, the one end in the yoke portion is equipped with technique groove, and the other end is equipped with false boss compatible with technique groove,
The outer ring in the yoke portion is equipped with positioning groove, and the surface of the yoke portion and notch tooth is equipped with multiple self-clinching points, multiple described fixed
Son divides valve punching to form split-type stator core by the mutual tinertoy of self-clinching point, and multiple split-type stator cores pass through false boss
It is embedded into technique groove to be spliced into full circle stator core, the inner hole wall of the stator case is equipped with and full circle stator iron
The compatible positioning convex platform of positioning groove on core, the stator case is set on the full circle stator core and stator case
Positioning convex platform on inner hole wall is embedded into the positioning groove on full circle stator core.
Technical solution as a further improvement of that present invention, the inner hole wall of the stator case and full circle stator core it is outer
The cooperation of disc small―gap suture or transition fit.
Technical solution as a further improvement of that present invention, the stator case hot jacket on the full circle stator core from
And realize the transition fit of the two.
Technical solution as a further improvement of that present invention, the part periphery of the full circle stator core by glue stick with
The inner hole wall of the stator case is fixedly connected and the rest part periphery of full circle stator core and the inner hole wall of stator case
Small―gap suture cooperation.
Technical solution as a further improvement of that present invention, the split-type stator core totally 6,6 split-type stators
Iron core is embedded into technique groove so that full circle stator core is spliced into, on the inner hole wall of the stator case by false boss
Positioning convex platform totally 6, the positioning convex platform on the inner hole wall of 6 stator cases is respectively embedded in the 6 of full circle stator core
In a positioning groove.
Technical solution as a further improvement of that present invention, the full circle stator core have one or more, and multiple full circle are fixed
Sub- iron core is mutually riveted by self-clinching point, and the stator case is set in one or more full circle stator cores after mutually riveting
Positioning convex platform on external and stator case inner hole wall is embedded into the positioning groove on one or more full circle stator cores.
The outer wall of technical solution as a further improvement of that present invention, the stator case is circle or rectangular, and inner wall is
Rounded cylindrical.
Technical solution as a further improvement of that present invention, the divided stator valve punching use silicon steel material.
To realize the above-mentioned technical purpose, another technical solution that the present invention takes are as follows:
A kind of fixing means of split-type stator core installation fixed structure, comprising:
(1) silicon steel sheet is processed by high velocity ram machine and Lamination mould, obtains divided stator valve punching;
(2) multiple divided stator valve punchings are taken, multiple divided stator valve punchings are aligned folded height, compress multiple divided stator valves using press
Punching forms split-type stator core to make mutually to rivet between adjacent divided stator valve punching by self-clinching point;
(3) by multiple split-type stator cores by false boss be embedded into technique groove to be mutually spliced to form one it is whole
Circle stator core;
(4) if required full circle stator core has multiple, multiple full circle stator cores is aligned folded height, are compressed using press
Multiple full circle stator cores are to make mutually to rivet between adjacent full circle stator core by self-clinching point;If required full circle
Stator core only has 1, then directly executes step (5);
(5) size needed for processing stator case to finished product;
(6) cooperation of one or more full circle stator core small―gap sutures or transition fit are fixed on inside stator case, and
The positioning convex platform of stator case inner hole wall is embedded into the positioning groove on full circle stator core periphery.
The invention has the benefit that
(1) divided stator valve punching of the invention compresses tinertoy by recombinant after height lamination required by split-type stator core,
Multiple split-type stator cores are spliced to form full circle stator core, full circle stator core and stator case gap or transition fit is pacified
Dress is fixed, and whole process is not necessarily to welding fabrication;Full circle stator core radially mainly by positioning groove on itself circumference with
Being coupled for the positioning convex platform of stator case is fixed to transmit torque, size of this fixed form to split-type stator core
Precision and rigidity requirement be not high, is convenient for process control, high production efficiency, and production equipment is simple, manufacturing cost is low.
(2) for the structure of divided stator valve punching of the invention compared with unitary stator lamination structure, required stamping press is big
Small tonnage high velocity ram machine batch production can be used in width decline.
Detailed description of the invention
Fig. 1 is that split-type stator core of the invention installs fixed structure chart.
Fig. 2 is the sectional view of split-type stator core of the invention.
Fig. 3 is the sectional view of full circle stator core of the invention.
Fig. 4 is the main view of stator case of the invention.
Fig. 5 is the side cross-sectional, view of stator case of the invention.
Specific embodiment
A specific embodiment of the invention is further illustrated below according to Fig. 1 to Fig. 5:
Referring to Fig. 1, a kind of split-type stator core installation fixed structure, including stator case 2 and full circle stator core 1, it is described
The structure of full circle stator core 1 by multiple split-type stator cores 3 as shown in figure 3, be mutually spliced, referring to fig. 2, described point
Flap-type stator core 3 includes multiple divided stator valve punchings, and the divided stator valve punching includes arc yoke portion 4 and is evenly distributed on yoke
Several notch teeth 5 on the inner ring in portion 4 form notch 10 between two adjacent notch teeth 5, and the one end in the yoke portion 4 is set
There is technique groove 7, the other end is equipped with false boss 6 compatible with technique groove 7, and the outer ring in the yoke portion 4 is equipped with positioning
The surface of groove 9, the yoke portion 4 and notch tooth 5 is equipped with multiple self-clinching points 8, and multiple divided stator valve punchings pass through self-clinching point 8
Mutual tinertoy forms split-type stator core 3, and multiple split-type stator cores 3 are embedded into technique groove 7 by false boss 6
To be spliced into full circle stator core 1, as shown in Figure 3.Referring to fig. 4, the inner hole wall of the stator case 2 is equipped with fixed with full circle
The compatible positioning convex platform 13 of positioning groove 9 on sub- iron core 1, the stator case 2 are set on the full circle stator core 1
And the positioning convex platform 13 on 2 inner hole wall of stator case is embedded into the positioning groove 9 on full circle stator core 1.Since full circle is fixed
Sub- iron core 1 has certain height, then the positioning groove 9 on full circle stator core 1 also has certain height, stator case 2
Positioning convex platform 13 on inner hole wall also has certain height.
In the present embodiment, the cooperation of periphery small―gap suture or mistake of the inner hole wall and full circle stator core 1 of the stator case 2
Cross cooperation.
In the present embodiment, 2 hot jacket of stator case realizes that the transition of the two is matched on the full circle stator core 1
It closes.
In the present embodiment, the part periphery of the full circle stator core 1 passes through the inner hole of glue stick and the stator case 2
Wall is fixedly connected and the inner hole wall small―gap suture of the rest part periphery of full circle stator core 1 and stator case 2 cooperates.
In the present embodiment, the split-type stator core 3 totally 6,6 split-type stator cores 3 are embedding by false boss 6
Enter into technique groove 7 to being spliced into full circle stator core 1, the positioning convex platform 13 on the inner hole wall of the stator case 2 totally 6
A, the positioning convex platform 13 on the inner hole wall of 6 stator cases 2 is respectively embedded in 6 positioning grooves of full circle stator core 1
In 9.
The single full circle stator core 1 of the present embodiment, sectional view is as shown in figure 3, be by 6 or multiple split-type stators
Iron core 3 is positioned by tooling or automation equipment and is tentatively spliced into a full circle stator core 1.
The full circle stator core 1 of the present embodiment has one or more, according to required stator height, determines full circle stator core 1
Quantity, if full circle stator core 1 be it is multiple, multiple full circle stator cores 1 by self-clinching point 8 mutually rivet.Stator case 2
Positioning convex platform 13 outside full circle stator core 1 after being set in multiple mutual rivetings and on 2 inner hole wall of stator case is embedded into
In positioning groove 9 on multiple full circle stator cores 1.If required stator height difference, the i.e. quantity of full circle stator core 1 are not
Together, then corresponding stator case 2 is also sized to change.
Referring to fig. 4 and Fig. 5, the stator case 2, general outer wall are circle or rectangular, and inner wall is rounded cylindrical.Inner wall has
One or more positioning convex platforms 13 are used to cooperate with one or more full circle stator cores 1 and assemble.
The divided stator valve punching uses silicon steel material.
Multiple 5 ends of notch tooth of divided stator valve punching in Fig. 2 form arc pole shoe 12.The size of pole shoe 12 is mainly by magnetic
Pole width and 10 size of notch determine.The size dimension of notch 10 essentially dictates the complexity of stator built-in line process, can root
According to actual needs can appropriate adjustment notch 10 size.Technique tooth mouth 11 is generally using the center line of notch 10 as line of demarcation in Fig. 1,
Notch 10 is divided to for symmetrical two technique teeth mouth 11.Technique groove 7 is generally configured to circular trough or square groove.False boss 6
It is generally configured to round boss or square boss, and 7 matching design of technique groove, manufacture and is assembled.
First design 1/6th or the divided stator valve punching of different equal portions, divided stator valve punching are logical according to demand for the present embodiment
High velocity ram machine and mold production are crossed, to guarantee inside and outside the split-type stator core 3 as made of multiple divided stator valve punching tinertoys
Circular arc and height dimension and Geometrical Tolerance Principle.Six or more than one piece split-type stator core 3 are set by tooling or automation
It is standby to position and be tentatively spliced into a full circle stator core 1;Full circle stator will be spliced into as one or more as needed
Iron core 1 is stacked high to the stator height of needs after positioning and compresses.By 2 sets of stator case on full circle stator core 1, full circle stator
Iron core 1 and 2 gap of stator case or transition fit, full circle stator core 1 are radially mainly recessed by the positioning on itself circumference
Being coupled for the positioning convex platform 13 of slot 9 and stator case 2 is fixed to transmit torque.
The present embodiment also provides a kind of fixing means of the installation of split-type stator core 3 fixed structure, comprising:
(1) silicon steel sheet is processed by high velocity ram machine and Lamination mould, obtains divided stator valve punching;Divided stator valve punching is set
Count into auto-buckled type;
(2) multiple divided stator valve punchings are taken, multiple divided stator valve punchings are aligned folded height, compress multiple divided stator valves using press
Punching forms split-type stator core 3 to make mutually to rivet between adjacent divided stator valve punching by self-clinching point 8;This reality
The self-clinching point 8 for applying example is the structure of the raised another side recess of one side;The height of split-type stator core 3 is by divided stator valve punching
Quantity determines, is realized by automatic high-speed molding equipment and mold;
(3) technique is embedded by false boss 6 by the split-type stator core 3 that positioning tool is by six or multiple folded fourths of the twelve Earthly Branches are good
To one full circle stator core 1 of pre-splicing formation in groove 7, the sectional view of full circle stator core 1 is as shown in Figure 3;
(4) if required full circle stator core 1 has multiple, multiple full circle stator cores 1 are aligned folded height, using press or
Compression tooling compresses multiple full circle stator cores 1 to make between adjacent full circle stator core 1 through the mutual riveting of self-clinching point 8
It connects, control press motion stroke avoids pressing force excessive or too small;If required full circle stator core 1 only has 1, directly
It executes step (5);
(5) stator case 2 is processed to size needed for finished product by drawing;
(6) cooperation of one or more 1 small―gap sutures of full circle stator core or transition fit are fixed on inside stator case 2,
And the positioning convex platform 13 of 2 inner hole wall of stator case is embedded into the positioning groove 9 on 1 periphery of full circle stator core, radially
It is mainly fixed by the installation of one or more positioning convex platforms 13 on shell to transmit torque;
(7) mounted stator case 2 and full circle stator core 1 embedded the wire, bound, shaping and connecing power supply line until be made into
Stator module.
The full circle stator core 1 that the present embodiment is related to is by 6 or multiple split-type stator cores 3 form, by divided stator valve
Recombinant compresses after height lamination required by split-type stator core 3 is pressed in punching, between full circle stator core 1 and stator case 2
Gap or transition fit installation are fixed, and welding fabrication, the positioning groove 9 of full circle stator core 1 radially and stator case 2 are not needed
The upward installation of one or more positioning convex platforms 13 of inside circumference is fixed to transmit torque.This fixed form is to split-type stator
The dimensional accuracy and rigidity requirement of iron core 3 be not high, is convenient for process control, high production efficiency, and production equipment is simple, manufacturing cost
It is low.
Protection scope of the present invention includes but is not limited to embodiment of above, and protection scope of the present invention is with claims
Subject to, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that each fall within of the invention
Protection scope.
Claims (9)
1. a kind of split-type stator core installs fixed structure, including stator case and full circle stator core, which is characterized in that institute
It states full circle stator core to be mutually spliced by multiple split-type stator cores, the split-type stator core includes multiple stators
Point valve punching, the divided stator valve punching include arc yoke portion and several notch teeth for being evenly distributed on the inner ring in yoke portion,
Notch is formed between adjacent notch tooth, the one end in the yoke portion is equipped with technique groove, and the other end is equipped with and mutually fits with technique groove
The false boss matched, the outer ring in the yoke portion are equipped with positioning groove, and the surface of the yoke portion and notch tooth is equipped with multiple self-clinchings
Point, multiple divided stator valve punchings form split-type stator core, multiple split-type stator iron by the mutual tinertoy of self-clinching point
Core is embedded into technique groove by false boss to be spliced into full circle stator core, is set on the inner hole wall of the stator case
There is positioning convex platform compatible with the positioning groove on full circle stator core, the stator case is set in the full circle stator iron
Positioning convex platform on core and on stator case inner hole wall is embedded into the positioning groove on full circle stator core.
2. split-type stator core according to claim 1 installs fixed structure, which is characterized in that the stator case
The cooperation of the periphery small―gap suture of inner hole wall and full circle stator core or transition fit.
3. split-type stator core according to claim 2 installs fixed structure, which is characterized in that the stator case body heat
Cover the transition fit on the full circle stator core both to realize.
4. split-type stator core according to claim 2 installs fixed structure, which is characterized in that the full circle stator iron
The part periphery of core is fixedly connected by glue stick with the inner hole wall of the stator case and the rest part of full circle stator core
The cooperation of the inner hole wall small―gap suture of periphery and stator case.
5. split-type stator core according to claim 3 or 4 installs fixed structure, which is characterized in that the split-type
Stator core totally 6,6 split-type stator cores are embedded into technique groove by false boss to be spliced into full circle stator
Iron core, positioning convex platform totally 6 on the inner hole wall of the stator case, the convex on the inner hole wall of 6 stator cases
Platform is respectively embedded in 6 positioning grooves of full circle stator core.
6. split-type stator core according to claim 5 installs fixed structure, which is characterized in that the full circle stator iron
Core has one or more, and multiple full circle stator cores are mutually riveted by self-clinching point, and the stator case is set in one or more
It is fixed that positioning convex platform outside full circle stator core mutually after riveting and on stator case inner hole wall is embedded into one or more full circle
In positioning groove on sub- iron core.
7. split-type stator core according to claim 1 installs fixed structure, which is characterized in that the stator case
Outer wall is circle or rectangular, and inner wall is rounded cylindrical.
8. split-type stator core according to claim 1 installs fixed structure, which is characterized in that the divided stator valve punching
Piece uses silicon steel material.
9. a kind of fixing means based on split-type stator core described in claim 1 installation fixed structure, comprising:
(1) silicon steel sheet is processed by high velocity ram machine and Lamination mould, obtains divided stator valve punching;
(2) multiple divided stator valve punchings are taken, multiple divided stator valve punchings are aligned folded height, compress multiple divided stator valves using press
Punching forms split-type stator core to make mutually to rivet between adjacent divided stator valve punching by self-clinching point;
(3) by multiple split-type stator cores by false boss be embedded into technique groove to be mutually spliced to form one it is whole
Circle stator core;
(4) if required full circle stator core has multiple, multiple full circle stator cores is aligned folded height, are compressed using press
Multiple full circle stator cores are to make mutually to rivet between adjacent full circle stator core by self-clinching point;If required full circle
Stator core only has 1, then directly executes step (5);
(5) size needed for processing stator case to finished product;
(6) cooperation of one or more full circle stator core small―gap sutures or transition fit are fixed on inside stator case, and
The positioning convex platform of stator case inner hole wall is embedded into the positioning groove on full circle stator core periphery.
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CN201910064995.0A CN109560625A (en) | 2019-01-23 | 2019-01-23 | A kind of split-type stator core installation fixed structure and fixing means |
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ID=65873779
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110289713A (en) * | 2019-07-09 | 2019-09-27 | 合普动力股份有限公司 | A kind of improvement structure of external stator core |
CN112688443A (en) * | 2020-10-08 | 2021-04-20 | 郭星 | Stator punching sheet monomer, stator punching sheet and motor stator |
CN112994371A (en) * | 2019-12-16 | 2021-06-18 | 广东博智林机器人有限公司 | Splicing tool and method for enabling stator core to enter shell |
CN114243956A (en) * | 2021-12-16 | 2022-03-25 | 珠海格力电器股份有限公司 | Motor stator, motor and compressor |
-
2019
- 2019-01-23 CN CN201910064995.0A patent/CN109560625A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110289713A (en) * | 2019-07-09 | 2019-09-27 | 合普动力股份有限公司 | A kind of improvement structure of external stator core |
CN112994371A (en) * | 2019-12-16 | 2021-06-18 | 广东博智林机器人有限公司 | Splicing tool and method for enabling stator core to enter shell |
CN112994371B (en) * | 2019-12-16 | 2022-03-01 | 广东博智林机器人有限公司 | Splicing tool and method for enabling stator core to enter shell |
CN112688443A (en) * | 2020-10-08 | 2021-04-20 | 郭星 | Stator punching sheet monomer, stator punching sheet and motor stator |
CN114243956A (en) * | 2021-12-16 | 2022-03-25 | 珠海格力电器股份有限公司 | Motor stator, motor and compressor |
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