CN203596715U - Assembly tooling of partitioned-type stator iron core - Google Patents
Assembly tooling of partitioned-type stator iron core Download PDFInfo
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- CN203596715U CN203596715U CN201320689648.5U CN201320689648U CN203596715U CN 203596715 U CN203596715 U CN 203596715U CN 201320689648 U CN201320689648 U CN 201320689648U CN 203596715 U CN203596715 U CN 203596715U
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- iron core
- core unit
- assembly tooling
- stator core
- splicing
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Abstract
The utility model discloses an assembly tooling of a partitioned-type stator iron core. The stator iron core comprises a plurality of iron core units. A connection projection is formed at a connection end of one side of each iron core unit. A connection recessed part is formed at the connection end of the other side and chimeric with the connection projection. A positioning groove is formed the outer side surface of each iron core unit. The tooling comprises a pedestal, a cylindrical inner tire, an annular slicing table and a hoop ring. The slicing table is installed on the pedestal and can rotate around the central shaft. The inner tire is located inside the splicing table and fixed on the pedestal. The central shaft of the splicing table is coincident with the central shaft of the inner tire. The top surface of the splicing table is equipped with a positioning piece chimeric with the positioning groove of one iron core unit. The inner tire structure of the assembly tooling is stable and has high intensity, can be employed as a splicing reference surface of the iron core units, and can provides certain resistance to deformation to prevent the iron core from deformation. Splicing among the iron core units is tight through the hoop ring, and splicing gap is reduced, which is beneficial for subsequent laser spot welding.
Description
Technical field
The utility model is relevant with the motor manufacturing technology of new-energy automobile, relates in particular to a kind of assemble method and matching used assembly tooling of partition type stator core.
Background technology
New-energy automobile receives increasing concern as a kind of novel environment friendly vehicles, because it uses motor direct-drive automobile, so the heat dispersion of motor is had relatively high expectations.In motor, the main source of heat is the heat that the coil on motor stator core produces in the time of work, so the heat radiation of motor mainly adopts the inner water sleeve that is fitted in core exterior surface that heat is taken away.As can be seen here, the smooth assembling of stator core and inner water sleeve and fully laminating are played vital effect to the heat radiation of motor, this just requires stator core to have very high one-tenth circle quality, that is to say, between iron core, should there is very high bonding strength, after moulding, meet again high-precision cylindricity dimensional requirement.
At present, the moulding of stator core mainly contains two kinds of modes, and one is unitary stator iron core, and one is partition type stator core, and wherein partition type stator core, because it is easy to process, utilization rate of raw materials is high, is convenient to coiling, is just widely used.And the one-tenth sired results skill of partition type stator core also has two kinds of main method at present, one is that by product structure design, segmentation iron core unit directly to be rabbeted into round, and another kind is to be equipped with argon arc welding etc. by certain stator core construction to carry out assembled formation.
The utility model patent that is CN201008102Y as publication number discloses a kind of motor partition type stator core of electric motor car, the chip of this stator core is made up of the monolithic module of two above " work " fonts, the two ends that the excircle part of each monolithic module extends internally are provided with shrinkage pool and projection, and this stator core is rabbeted into round by the shrinkage pool between adjacent monolithic module with projection mutually.This by the stator core of the shrinkage pool of yoke portion and the respective outer side edges Cheng Yuan of projection, its bonding strength is lower, antivibration weak effect.
The utility model patent that is CN102545402A as publication number discloses a kind of splicing motor stator, and the vertical piece that utilizes argon arc welding to form fan-shaped stator punching is welded and fixed into round.Because argon arc welding time can produce a large amount of heats in welding, therefore the stator core residual stress after welding is larger, can cause iron core distortion serious, cannot meet the high-precision requirement of cylindricity size after moulding.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of assembly tooling of partition type stator core, can realize rapidly and accurately the splicing of iron core unit, and can reduce splicing gap, can reduce the distortion of iron core unit in follow-up welding process.
For solving the problems of the technologies described above, the assembly tooling of the partition type stator core that the utility model provides, described stator core comprises several iron core unit, one side link of each iron core unit is formed with connection protuberance, opposite side link is formed with and the connection recess that is connected protuberance tabling, the lateral surface of described each iron core unit is formed with a detent, described frock comprises base, the cylindrical inner tube of a tyre, annular splicing station and garter spring, described splicing station is arranged on base and can rotates around its central shaft, the described inner tube of a tyre is positioned at splicing station inside and is fixed on base, the central shaft of described splicing station overlaps with the central shaft of the inner tube of a tyre, the end face of described splicing station is provided with the keeper chimeric with the detent of an iron core unit.
Further, the outer circumference surface of described splicing station is provided with some calibration location holes, and the quantity of described calibration location hole is identical with the quantity of iron core unit, and a pluggable locating part is housed on described base, and described locating part matches with calibration location hole.
In said structure, the medial surface of described garter spring and the lateral surface of iron core unit fit.The medial surface of described iron core unit and the external cylindrical surface of the inner tube of a tyre fit.The bottom surface of described iron core unit and the end face of splicing station fit.
The mounting blocks wherein preferred, described locating part comprises alignment pin and inserts for alignment pin.
Further, the lateral surface of described garter spring has screw thread.
In the assembly tooling that the utility model adopts, inner tube structure strength of stability is high, can serve as the datum level of partition type iron core unit splicing, and certain resistance of deformation can be provided again in welding process, prevents iron core distortion; The garter spring in iron core unit outside can make to splice between iron core unit tightr, reduces to splice gap, is conducive to laser spot welding.
Accompanying drawing explanation
Fig. 1 is the structural representation of iron core unit;
Fig. 2 is the structural representation of assembly tooling;
Fig. 3 is iron core unit spliced schematic diagram in assembly tooling;
Fig. 4 is the front view of Fig. 3;
Fig. 5 is the sequential schematic of a stator core spot welding of the utility model.
Wherein description of reference numerals is as follows:
1 is iron core unit; 112 for connecting protuberance; 113 for connecting recess; 114 is detent; 2 is the inner tube of a tyre; 3 is base; 4 is splicing station; 5 is keeper; 6 is calibration location hole; 7 is locating part; 71 is alignment pin; 72 is mounting blocks; 8 is garter spring; 9 is weld seam.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
The described assembly tooling of the utility model and the assemble method that utilizes this frock to realize are applicable to partition type (also referred to as split type, sectional type etc.) stator core, this stator core comprises several iron core unit 1, in the present embodiment, take 24 iron core unit as example, iron core unit 1 is made up of the identical stamping of polylith geomery.
As shown in Figure 1, a side link of each iron core unit 1 is formed with that to connect protuberance 112(shape can be semicircle, half elliptic, swallow-tail form or square etc.), opposite side link is formed with and the connection recess 113 that is connected protuberance 112 tablings.In addition, the lateral surface of each iron core unit 1 is formed with a detent 114.
While assembling this iron core unit formation stator core, the assembly tooling of employing comprises base 3, the cylindrical inner tube of a tyre 2, annular splicing station 4, garter spring 8, as shown in Figure 2 and Figure 3.Splicing station 4 is arranged on base 3 and can rotates around its central shaft, and the central shaft of splicing station 4 overlaps with the central shaft of the inner tube of a tyre 2.It is inner and be fixed on base 3 that the inner tube of a tyre 2 is positioned at splicing station 4, the datum level of the external cylindrical surface of the inner tube of a tyre 2 during as splicing iron core unit.The end face of splicing station 4 is provided with a keeper 5, and the effect of this keeper 5 is positions of first iron core unit of location, and it matches with the detent 114 in iron core unit outside.
In addition, as shown in Figure 2, the outer circumference surface of splicing station 4 is provided with calibration location hole 6, and the quantity of calibration location hole 6 is identical with the quantity of iron core unit 1, and each calibration location hole is corresponding with an iron core unit.One pluggable locating part 7 is also housed on base 3, in the present embodiment, locating part 7 comprises an alignment pin 71 and a mounting blocks 72, and wherein mounting blocks 72 is fixed on base 3, in mounting blocks 72, have a through hole inserting for alignment pin 71, alignment pin 71 matches with calibration location hole 6.
The lateral surface of garter spring 8 is threaded, and the lateral surface of its medial surface and iron core unit 1 fits, and can pass through garter spring threaded adjusting tightening force, guarantees spliced stator dimensions.The external cylindrical surface of the medial surface of iron core unit 1 and the inner tube of a tyre 2 fits.Can in the time becoming circle splicing, effectively guarantee the cylindricity of stator by the inner tube of a tyre 2 and garter spring 8, stop to splice gap, increase the resistance of deformation of iron core in follow-up laser spot welding process, reduce welding deformation.
The utility model also provides the assemble method of this partition type stator core, comprises the following steps:
Step 1, take the external cylindrical surface of the inner tube of a tyre 2 as datum level, on splicing station 4, place first iron core unit (iron core unit winds coil in advance), the external cylindrical surface laminating of the medial surface of this iron core unit 1 and the inner tube of a tyre 2, the detent 114 of iron core unit 1 lateral surface and the chimeric location of keeper 5 of splicing station 4 end faces;
In the present embodiment, preferred splicing station 4 is double-layer circular annular, keeper 5 is positioned at the end face of lower floor's circular ring structure, upper strata circular ring structure is positioned on lower floor's circular ring structure and is positioned at keeper 5 inner sides, the inside circumference face of two-layer circular ring structure forms a face of cylinder, as shown in Figure 2, Figure 3, Figure 4, the bottom surface of iron core unit 1 contacts with the upper strata circular ring structure end face of splicing station 4.Certainly, the frock of splicing iron core unit also can adopt the splicing station of simple individual layer circular ring structure.
In step 4 and step 5, the welding sequence that employing is symmetrically welded carries out to all weld seams that spot welding pre-fixes and two sections are carried out to spot-welded, take 24 iron core unit in the present embodiment as example, welding sequence the best that spot welding pre-fixed and put welding line as shown in Figure 5, wherein first carrying out spot welding according to from 1 to 24 order butt welded seam pre-fixes, carry out a welding line according to this order again, this welding sequence is first according to the spot welding of " rice " font, first weld " ten " font, weld again " X " shape, then be symmetrically welded successively other weld seam, this being symmetrically welded can be reduced residual stress generation effectively, after reducing welding, iron core is out of shape, improve stator core and become circle precision.Certainly, in iron core unit splicing enough in accurate situation, then pre-fix and put the mode of welding line in conjunction with spot welding, even if adopt simple symmetry principle, as first welding " ten " font, other weld seam is symmetrically welded in order or welds successively.In the time that weld seam quantity is odd number, can adopt the welding sequence of near symmetrical to carry out that spot welding pre-fixes and put welding line.
While being symmetrically welded, can easily realize by the alignment pin 71 in calibration location hole 6 and locating part 7 in frock, while being spot welding Article 1 weld seam, alignment pin 71 is inserted in the corresponding calibration location hole of this weld seam, after having welded, extract alignment pin 71, splicing station 4 is rotated around its central shaft, make with the centrosymmetric Article 2 weld movement of Article 1 weld seam to welding position (laser beam is perpendicular to weld seam), alignment pin 7 is inserted in the corresponding calibration location hole of Article 2 weld seam, spot welding Article 2 weld seam, repeat successively until all spot welds are soldered into.Because the central shaft of splicing station 4 overlaps with the central shaft of the inner tube of a tyre 2, so can guarantee to have welded while rotating to another position while welding after a weld seam, focal position still falls in welded joints, guarantees that laser emitting head is consistent to the distance of every weld seam.
First the utility model utilizes the inner tube of a tyre and garter spring fixedly to splice iron core unit, resistance of deformation can improve like this welding time, then by the technique of laser spot welding, in conjunction with symmetry principle, pre-fix and put welding line mode by spot welding and weld, guaranteed the one-tenth circle precision of stator core.The mode of this laser spot welding welding piece, not only can improve bonding strength, and the output of spot welding single-point energy is low, iron core heat affected area is little, distortion is few, and interior outer face is neat, and dimensional accuracy improves, the smooth socket of inner water sleeve and stator core be can realize, motor efficiently radiates heat and efficient operation guaranteed.
By specific embodiment, the utility model is had been described in detail above, this embodiment is only preferred embodiment of the present utility model, and it not limits the utility model.In the situation that not departing from the utility model principle; those of ordinary skills under the prerequisite of not making creative work to frock in the aspect such as structure, welding sequence of composition, splicing station of structure, frock of keeper and locating part by any modification, be equal to all other embodiment that the modes such as replacement, improvement obtain, in the technology category that all should be considered as protecting at the utility model.
Claims (7)
1. the assembly tooling of a partition type stator core, described stator core comprises several iron core unit (1), one side link of each iron core unit (1) is formed with and connects protuberance (112), opposite side link is formed with and the connection recess (113) that is connected protuberance (112) tabling, the lateral surface of described each iron core unit (1) is formed with a detent (114), it is characterized in that, described frock comprises base (3), the cylindrical inner tube of a tyre (2), annular splicing station (4) and garter spring (8), described splicing station (4) is arranged on base (3) above and can rotates around its central shaft, the described inner tube of a tyre (2) is positioned at splicing station (4) inside and is fixed on base (3), the central shaft of described splicing station (4) overlaps with the central shaft of the inner tube of a tyre (2), the end face of described splicing station (4) is provided with the keeper (5) chimeric with the detent (114) of an iron core unit (1).
2. the assembly tooling of partition type stator core according to claim 1, it is characterized in that, the outer circumference surface of described splicing station (4) is provided with some calibration location holes (6), the quantity of described calibration location hole (6) is identical with the quantity of iron core unit (1), one pluggable locating part (7) is housed on described base (3), and described locating part (7) matches with calibration location hole (6).
3. the assembly tooling of partition type stator core according to claim 1, is characterized in that, the lateral surface of the medial surface of described garter spring (8) and iron core unit (1) fits.
4. the assembly tooling of partition type stator core according to claim 1, is characterized in that, the external cylindrical surface of the medial surface of described iron core unit (1) and the inner tube of a tyre (2) fits.
5. the assembly tooling of partition type stator core according to claim 1, is characterized in that, the end face of the bottom surface of described iron core unit (1) and splicing station (4) fits.
6. the assembly tooling of partition type stator core according to claim 2, is characterized in that, the mounting blocks (72) that described locating part (7) comprises alignment pin (71) and inserts for alignment pin (71).
7. the assembly tooling of partition type stator core according to claim 1, is characterized in that, the lateral surface of described garter spring (8) has screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689648.5U CN203596715U (en) | 2013-11-04 | 2013-11-04 | Assembly tooling of partitioned-type stator iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689648.5U CN203596715U (en) | 2013-11-04 | 2013-11-04 | Assembly tooling of partitioned-type stator iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203596715U true CN203596715U (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320689648.5U Withdrawn - After Issue CN203596715U (en) | 2013-11-04 | 2013-11-04 | Assembly tooling of partitioned-type stator iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203596715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617716A (en) * | 2013-11-04 | 2015-05-13 | 联合汽车电子有限公司 | Method for assembling split stator core and assembly tool used thereby |
| CN105245062A (en) * | 2014-07-11 | 2016-01-13 | 株式会社安川电机 | Manufacturing device and manufacturing method for stator |
| CN109873536A (en) * | 2019-03-31 | 2019-06-11 | 横店集团英洛华电气有限公司 | Servo rotor piece splices auxiliary device |
| CN111992848A (en) * | 2020-07-31 | 2020-11-27 | 江麓机电集团有限公司 | Process method for improving wear resistance of gear ring of driving wheel of armored vehicle |
-
2013
- 2013-11-04 CN CN201320689648.5U patent/CN203596715U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617716A (en) * | 2013-11-04 | 2015-05-13 | 联合汽车电子有限公司 | Method for assembling split stator core and assembly tool used thereby |
| CN104617716B (en) * | 2013-11-04 | 2017-11-03 | 联合汽车电子有限公司 | The assemble method of partition type stator core and assembly tooling used |
| CN105245062A (en) * | 2014-07-11 | 2016-01-13 | 株式会社安川电机 | Manufacturing device and manufacturing method for stator |
| CN105245062B (en) * | 2014-07-11 | 2018-04-27 | 株式会社安川电机 | Stator manufacturing apparatus and manufacturing method for stators |
| CN109873536A (en) * | 2019-03-31 | 2019-06-11 | 横店集团英洛华电气有限公司 | Servo rotor piece splices auxiliary device |
| CN111992848A (en) * | 2020-07-31 | 2020-11-27 | 江麓机电集团有限公司 | Process method for improving wear resistance of gear ring of driving wheel of armored vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20171103 |