CN105162267A - Spliced stator core and manufacturing method thereof - Google Patents
Spliced stator core and manufacturing method thereof Download PDFInfo
- Publication number
- CN105162267A CN105162267A CN201510516160.6A CN201510516160A CN105162267A CN 105162267 A CN105162267 A CN 105162267A CN 201510516160 A CN201510516160 A CN 201510516160A CN 105162267 A CN105162267 A CN 105162267A
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- Prior art keywords
- punching
- stator
- stator core
- bonding crack
- spliced
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000004080 punching Methods 0.000 claims abstract description 73
- 238000003466 welding Methods 0.000 claims abstract description 6
- 239000000178 monomer Substances 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 26
- 150000002505 iron Chemical class 0.000 claims description 20
- 239000008188 pellet Substances 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 13
- 229910000679 solder Inorganic materials 0.000 claims description 9
- 210000000515 tooth Anatomy 0.000 claims description 9
- 238000003475 lamination Methods 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- 238000005096 rolling process Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a spliced stator core and a manufacturing method thereof. The spliced stator core comprises a plurality of laminated iron core blocks (1) which are surrounded into a circle, wherein a joint tongue (2) and a mortise (3) are respectively arranged at two ends of each laminated iron core block (1); each laminated iron core block (1) comprises a plurality of single punching bodies (4) which are stacked together; each single punching body (4) comprises a plurality of circular-arc stator yoke parts (5); a stator tooth part (6) is arranged on the outer side of each stator yoke part (5); each stator yoke part (5) in each single punching body (4) is connected through a connection part (7); each connection part (7) is located on the outer side of each stator yoke part (5); a bonding joint (8) is formed in the inner side of each connection part (7); and a welding spot (9) or a rolling groove (10) are formed in each bonding joint (8); and each rolling groove (10) stretches across each bonding joint (8). According to the spliced stator core, the utilization rate of the material can be improved; the manufacturing cost of a motor is reduced; manufacturing is relatively convenient; and the overall bonding strength can be effectively ensured.
Description
Technical field
the present invention relates to a kind of spliced stator core and manufacture method thereof, particularly a kind of spliced stator core for external rotor electric machine and manufacture method thereof.
Background technology
common external rotor electric machine, its stator core is generally all made up of stator punching.Traditional stator core is substantially all by annular stator punching identical for multiple shape being overrided to form, and stator punching is directly identical with stator core cross section by metallic plate punching one-tenth ring-type, is commonly called as " domain punching ".But, as everyone knows, the core of stator core is provided with the centre bore that power supply machine output shaft wears, like this, the stator punching of every punch process ring-type, all will wash out the metallic plate that one piece of external diameter equals centre bore internal diameter on steel plate raw material, thus makes the raw-material utilance of metallic plate extremely low, greatly waste material, be unfavorable for the control of motor manufacturing cost.
Summary of the invention
the object of the invention is to, a kind of spliced stator core and manufacture method thereof are provided.The present invention not only can improve the utilance of material, reduce the manufacturing cost of motor, and manufactures more convenient, and overall bond strength can obtain effective guarantee.
technical scheme of the present invention: a kind of spliced stator core, be characterized in: comprise and connect conglobate laminated iron pellet by multiple jointly enclosing, the two ends of each laminated iron pellet are respectively equipped with falcon tongue and falcon groove, and each laminated iron pellet comprises the punching monomer that multi-disc is stacked, each punching monomer includes the stator yoke of multiple circular arc, and the outside of each stator yoke is provided with stator teeth; In punching monomer, each stator yoke is linked together by connecting portion, connecting portion is in the outside of stator yoke, the inner side of connecting portion is provided with bonding crack, and each bonding crack being positioned at outermost two the punching monomers of laminated iron pellet is equipped with solder joint or the indent across bonding crack.
above-mentioned spliced stator core, is provided with bending preformed hole between described connecting portion and bonding crack.
in aforesaid spliced stator core, described bonding crack is positioned at the diametric(al) of stator yoke, and bonding crack stage casing is to curving.
manufacture a method for aforesaid spliced stator core, be characterized in, comprise:
1. on bullion sheet, stamp out the punching monomer of vertical bar type, the outer side blow of connecting portion of adjacent two stator yoke of the punching monomer of each vertical bar type is provided with open slot;
2. the punching monomer of vertical bar type is bent, until open slot is closed as bonding crack, and then form the punching monomer of circular arc;
3. the punching monomer lamination of multiple circular arc is crimped as laminated iron pellet, stamp out an indent across bonding crack during crimping at bonding crack position, or carry out spot welding process at bonding crack position;
4. last being enclosed end to end by falcon tongue and falcon groove by multiple laminated iron pellet is connected together, and forms the stator core of a complete circle.
in the method for the spliced stator core of aforesaid manufacture, described step 1. in, bullion sheet simultaneously punching press two can arrange the punching monomer of vertical bar type, and the punching monomers of two row's vertical bar types are crisscross arranged on bullion sheet; The wherein stator teeth of the punching monomer of row's vertical bar type, in the teeth groove between two stator teeths of the punching monomer of another row's vertical bar type; And the bottom land of the end face of the stator teeth of the punching monomer of vertical bar type and teeth groove is complementary.
in the method for the spliced stator core of aforesaid manufacture, step 1. in, between connecting portion and open slot, also punching press has bending hole, make its be conducive to step 2. in carry out bending and process.
in the method for the spliced stator core of aforesaid manufacture, described step 1. in open slot in both sides be respectively equipped with recess corresponding to shape and protuberance, and after 2. step completes, open slot is closed as the bonding crack in stator yoke radial direction, and the stage casing of bonding crack is to curving, indent or solder joint are positioned at the crooked position of bonding crack.
in the method for the spliced stator core of aforesaid manufacture, the lower surface of the described step 1. recess of split shed groove is lower than the lower surface of protuberance, make open slot when closed, recess and protuberance produce extruding, and then improve bond strength, when without the need to arranging indent or solder joint, also there is enough bond strengths.
in the method for the spliced stator core of aforesaid manufacture, described open slot upper convex portion place cell wall is provided with chamfering, so that bend punching monomer with the junction of bending preformed hole.
compared with prior art, multiple laminated iron pellet by punching monomer lamination is crimped into cores pile in layers block, and is connected into complete stator core by joinery and its construction by the present invention.And arrange due to the special construction of punching monomer of the present invention, it can be bent by the punching monomer of vertical bar shaped and be combined into, and the punching monomer of vertical bar shaped can carry out continuous punching on bullion sheet, it is more convenient to process, and be conducive to automated production, and then enhance productivity, reduce production cost.In addition, during the punching monomer of stamping straight bar shaped, due to stator teeth and the slot form complementation of the punching monomer of vertical bar type, two punching monomers be crisscross arranged can be stamped out on bullion sheet simultaneously, now residual on bullion sheet material just to lack many relatively, which greatly improves the stock utilization of bullion sheet, and then reduce material cost.Again due to the setting of the open tank configuration in the present invention on the punching monomer of vertical bar shaped, make after bending, the bonding crack on punching monomer has higher bond strength, then coordinates the mode welding or be installed with indent, bond strength can be improved further, thus ensure the quality of stator core.
Accompanying drawing explanation
fig. 1 is overall structure schematic diagram of the present invention;
fig. 2 is the structural representation of punching monomer of the present invention;
fig. 3 is the bonding crack position enlarged diagram that the present invention adopts indent structure;
fig. 4 is the bonding crack position enlarged diagram that the present invention adopts spot welding process;
fig. 5 is the schematic layout pattern of punching monomer on bullion sheet of vertical bar shaped of the present invention;
fig. 6 is the present invention without the open tank configuration schematic diagram of indent or solder joint scheme.
being labeled as in accompanying drawing: 1-laminated iron pellet, 2-falcon tongue, 3-falcon groove, 4-punching monomer, 5-stator yoke, 6-stator teeth, 7-connecting portion, 8-bonding crack, 9-solder joint, 10-indent, 11-bends preformed hole.
Embodiment
below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
embodiment.A kind of spliced stator core, as shown in Figure 1 with shown in Fig. 2: comprise and connect conglobate laminated iron pellet 1 by multiple jointly enclosing, the two ends of each laminated iron pellet 1 are respectively equipped with falcon tongue 2 and falcon groove 3, and each laminated iron pellet 1 comprises the punching monomer 4 that multi-disc is stacked, each punching monomer 4 includes the stator yoke 5 of multiple circular arc, and the outside of each stator yoke 5 is provided with stator teeth 6; In punching monomer 4, each stator yoke 5 is linked together by connecting portion 7, and connecting portion 7 is positioned at the outside of stator yoke 5, and the inner side of connecting portion 7 is provided with bonding crack 8; And each bonding crack 8 being positioned at outermost two the punching monomers 4 of laminated iron pellet 1 is equipped with solder joint 9 or the indent 10 across bonding crack 8, respectively as shown in Figure 3 and Figure 4.Bending preformed hole 11 is provided with between described connecting portion 7 and bonding crack 8.Described bonding crack 8 is positioned at the diametric(al) of stator yoke 5, and bonding crack 8 stage casing is to curving.
the manufacture method of above-mentioned spliced stator core is as follows:
1. on bullion sheet, stamp out the punching monomer of vertical bar type, the outer side blow of connecting portion of adjacent two stator yoke of the punching monomer of each vertical bar type is provided with open slot; Between connecting portion and open slot, also punching press has bending hole, make its be conducive to step 2. in carry out bending and process;
2. the punching monomer of vertical bar type is bent, until open slot is closed as bonding crack, and then form the punching monomer of circular arc;
3. the punching monomer lamination of multiple circular arc is crimped as laminated iron pellet, stamp out an indent across bonding crack during crimping at bonding crack position, or carry out spot welding process at bonding crack position;
4. last being enclosed end to end by falcon tongue and falcon groove by multiple laminated iron pellet is connected together, and forms the stator core of a complete circle.
described step 1. in, bullion sheet simultaneously punching press two can arrange the punching monomer of vertical bar type, and the punching monomers of two row's vertical bar types are crisscross arranged on bullion sheet; The wherein stator teeth of the punching monomer of row's vertical bar type, in the teeth groove between two stator teeths of the punching monomer of another row's vertical bar type; And the bottom land of the end face of the stator teeth of the punching monomer of vertical bar type and teeth groove is complementary, concrete layout viewing as figure 5 illustrates.
described step 1. in open slot in both sides be respectively equipped with recess corresponding to shape and protuberance, and after 2. step completes, open slot is closed as the bonding crack in stator yoke radial direction, and the stage casing of bonding crack is to curving.
the lower surface of the described step 1. recess of split shed groove, lower than the lower surface of protuberance, makes open slot when closed, and recess and protuberance produce extruding, and then improve bond strength, when without the need to arranging indent or solder joint, also have enough bond strengths.Described open slot upper convex portion place cell wall is provided with chamfering, so that bend punching monomer with the junction of bending preformed hole.Its shape as shown in Figure 6.
Claims (9)
1. a spliced stator core, it is characterized in that: comprise and connect conglobate laminated iron pellet (1) by multiple jointly enclosing, the two ends of each laminated iron pellet (1) are respectively equipped with falcon tongue (2) and falcon groove (3), and each laminated iron pellet (1) comprises the punching monomer (4) that multi-disc is stacked, each punching monomer (4) includes the stator yoke (5) of multiple circular arc, and the outside of each stator yoke (5) is provided with stator teeth (6); In punching monomer (4), each stator yoke (5) is linked together by connecting portion (7), and connecting portion (7) is positioned at the outside of stator yoke (5), and the inner side of connecting portion (7) is provided with bonding crack (8); And each bonding crack (8) being positioned at outermost two the punching monomers (4) of laminated iron pellet (1) is equipped with solder joint (9) or the indent (10) across bonding crack (8).
2. spliced stator core according to claim 1, is characterized in that: be provided with bending preformed hole (11) between described connecting portion (7) and bonding crack (8).
3. spliced stator core according to claim 1, is characterized in that: described bonding crack (8) is positioned at the diametric(al) of stator yoke (5), and bonding crack (8) stage casing is to curving.
4. a method for the spliced stator core described in manufacturing claims 1, is characterized in that, comprising:
1. on bullion sheet, stamp out the punching monomer of vertical bar type, the outer side blow of connecting portion of adjacent two stator yoke of the punching monomer of each vertical bar type is provided with open slot;
2. the punching monomer of vertical bar type is bent, until open slot is closed as bonding crack, and then form the punching monomer of circular arc;
3. the punching monomer lamination of multiple circular arc is crimped as laminated iron pellet, stamp out an indent across bonding crack during crimping at bonding crack position, or carry out spot welding process at bonding crack position;
4. last being enclosed end to end by falcon tongue and falcon groove by multiple laminated iron pellet is connected together, and forms the stator core of a complete circle.
5. the method for the spliced stator core of manufacture according to claim 4, it is characterized in that: described step 1. in, bullion sheet simultaneously punching press two can arrange the punching monomer of vertical bar type, and the punching monomers of two row's vertical bar types are crisscross arranged on bullion sheet; The wherein stator teeth of the punching monomer of row's vertical bar type, in the teeth groove between two stator teeths of the punching monomer of another row's vertical bar type; And the bottom land of the end face of the stator teeth of the punching monomer of vertical bar type and teeth groove is complementary.
6. the method for the spliced stator core of manufacture according to claim 4, is characterized in that: step 1. in, between connecting portion and open slot, also punching press has bending hole, make its be conducive to step 2. in carry out bending and process.
7. the method for the spliced stator core of manufacture according to claim 4, it is characterized in that: described step 1. in open slot in both sides be respectively equipped with recess corresponding to shape and protuberance, and after 2. step completes, open slot is closed as the bonding crack in stator yoke radial direction, and the stage casing of bonding crack is to curving.
8. the method for the spliced stator core of manufacture according to claim 7, it is characterized in that: the lower surface of the described step 1. recess of split shed groove is lower than the lower surface of protuberance, make open slot when closed, recess and protuberance produce extruding, and then improve bond strength, when without the need to arranging indent or solder joint, also there is enough bond strengths.
9. the method for the spliced stator core of manufacture according to claim 6, is characterized in that: described open slot upper convex portion place cell wall is provided with chamfering, so that bend punching monomer with the junction of bending preformed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516160.6A CN105162267B (en) | 2015-08-21 | 2015-08-21 | A kind of spliced stator core and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516160.6A CN105162267B (en) | 2015-08-21 | 2015-08-21 | A kind of spliced stator core and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105162267A true CN105162267A (en) | 2015-12-16 |
| CN105162267B CN105162267B (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510516160.6A Active CN105162267B (en) | 2015-08-21 | 2015-08-21 | A kind of spliced stator core and its manufacturing method |
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| Country | Link |
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| CN (1) | CN105162267B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787276A (en) * | 2016-12-30 | 2017-05-31 | 重庆瑜欣平瑞电子股份有限公司 | A kind of stator core and its processing method |
| CN107579608A (en) * | 2017-10-13 | 2018-01-12 | 江苏中车电机有限公司 | A kind of split-type iron core |
| CN107733108A (en) * | 2017-10-13 | 2018-02-23 | 江苏中车电机有限公司 | A kind of split-type iron core |
| CN110165795A (en) * | 2019-05-09 | 2019-08-23 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of structure of outer rotor stator punching and its stator core using the punching |
| CN111264016A (en) * | 2017-11-01 | 2020-06-09 | 三菱电机株式会社 | Core block connecting body and method for manufacturing armature core of rotating electrical machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795196A (en) * | 2014-01-14 | 2014-05-14 | 宁波海得工业控制系统有限公司 | Welding technology of block splicing type servo motor stator |
| JP2014204518A (en) * | 2013-04-03 | 2014-10-27 | 三菱電機株式会社 | Split stator core, stator comprising the same split stator core, rotary electric machine comprising the same stator, and method for manufacturing split stator core |
| CN104143886A (en) * | 2014-07-30 | 2014-11-12 | 广东威灵电机制造有限公司 | Machining method for stator punching sheet |
-
2015
- 2015-08-21 CN CN201510516160.6A patent/CN105162267B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014204518A (en) * | 2013-04-03 | 2014-10-27 | 三菱電機株式会社 | Split stator core, stator comprising the same split stator core, rotary electric machine comprising the same stator, and method for manufacturing split stator core |
| CN103795196A (en) * | 2014-01-14 | 2014-05-14 | 宁波海得工业控制系统有限公司 | Welding technology of block splicing type servo motor stator |
| CN104143886A (en) * | 2014-07-30 | 2014-11-12 | 广东威灵电机制造有限公司 | Machining method for stator punching sheet |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787276A (en) * | 2016-12-30 | 2017-05-31 | 重庆瑜欣平瑞电子股份有限公司 | A kind of stator core and its processing method |
| CN107579608A (en) * | 2017-10-13 | 2018-01-12 | 江苏中车电机有限公司 | A kind of split-type iron core |
| CN107733108A (en) * | 2017-10-13 | 2018-02-23 | 江苏中车电机有限公司 | A kind of split-type iron core |
| CN111264016A (en) * | 2017-11-01 | 2020-06-09 | 三菱电机株式会社 | Core block connecting body and method for manufacturing armature core of rotating electrical machine |
| CN111264016B (en) * | 2017-11-01 | 2022-03-18 | 三菱电机株式会社 | Core block connecting body and method for manufacturing armature core of rotating electrical machine |
| CN110165795A (en) * | 2019-05-09 | 2019-08-23 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of structure of outer rotor stator punching and its stator core using the punching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105162267B (en) | 2019-03-19 |
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Denomination of invention: A spliced stator core and its manufacturing method Effective date of registration: 20230707 Granted publication date: 20190319 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: HUZHOU NANYANG ELECTRIC-MOTOR Co.,Ltd. Registration number: Y2023330001427 |
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Granted publication date: 20190319 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: HUZHOU NANYANG ELECTRIC-MOTOR Co.,Ltd. Registration number: Y2023330001427 |