CN203445704U - Iron core structure and motor - Google Patents
Iron core structure and motor Download PDFInfo
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- CN203445704U CN203445704U CN201320555571.2U CN201320555571U CN203445704U CN 203445704 U CN203445704 U CN 203445704U CN 201320555571 U CN201320555571 U CN 201320555571U CN 203445704 U CN203445704 U CN 203445704U
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- Prior art keywords
- arc
- connecting portion
- kink
- adjacent
- punching
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
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- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses an iron core structure and a motor. The iron core structure is formed by two arc-shaped splicing blocks which are mutually spliced in a circumferential direction. Each arc-shaped splicing block is formed by at least two arc-shaped punching sheets which are wrapped in turn, and each arc-shaped punching sheet is provided with an arc-shaped connecting part, a first bending part and a second bending part. The first bending part is formed in a way that two side end parts of the arc-shaped connecting part are protruded along a radial direction of the arc-shaped connecting part. The corresponding end part of an enclosing end of the first bending part bends relatively so that the second bending part is formed. A cavity is formed by the arc-shaped connecting part, the first bending part and the second bending part. In the two adjacent arc-shaped punching sheets of each arc-shaped splicing block, the external side wall of the cavity of the former arc-shaped punching sheet is wrapped by the internal side wall of the cavity of the latter arc-shaped punching sheet. The adjacent arc-shaped connecting parts in the circumferential direction are spliced so that an annular magnetic yoke part of an iron core is formed. The adjacent first bending parts in the circumferential direction and adjacent second bending parts in the circumferential direction are spliced so that a tooth part of the iron core is formed. The tooth part is protruded along the radial direction of the magnetic yoke part. Generation of waste materials is reduced by the iron core structure so that production cost is reduced.
Description
Technical field
The utility model relates to machine field, particularly a kind of core structure and motor.
Background technology
, in technology, when manufacturing the iron core of motor, conventionally first stamp out whole monolithic now, single chip architecture as shown in Figure 1.Then by the monolithic of some stacked formation core structure in vertical direction, specifically as shown in Figure 2, there is the tooth portion 12 of yoke portion 11 and a plurality of equidistant distributions.
Aforesaid way is because need the whole monolithic of punching press, and therefore, the larger complete sheet material of space required, as raw material, can produce a lot of waste materials, and production cost is higher.
Summary of the invention
The utility model aims to provide a kind of core structure and motor, to reduce the generation of waste material, reduces production costs.
The utility model provides yoke portion that a kind of core structure has ring-type and by the outstanding tooth portion forming radially of described yoke portion, described core structure is upwards spliced to form in week mutually by least two arc splicing blocks, described arc splicing block is by least two arc punchings successively coated formation, and described arc punching has arc connecting portion, the first kink and the second kink;
Wherein, described the first kink is given prominence to and is formed along the radial direction of described arc connecting portion by the both side ends of described arc connecting portion, described the first kink has the blind end joining with described arc connecting portion, and described the second kink is bent to form relatively by the end corresponding to blind end of two described the first kinks of described arc connecting portion; Described arc connecting portion, the first kink and the second kink are formed with a cavity;
Two adjacent described arc punchings of described arc splicing block, the described cavity madial wall of the arc punching described in rear is coated on the lateral wall of described cavity of last described arc punching, described after arc punching described in one width and be greater than highly respectively the width of described last described arc punching and highly;
The arc connecting portion of the outermost arc punching of described adjacent arc splicing block contacts, the first kink of the outermost arc punching of described adjacent arc splicing block contacts, and the second kink of the outermost arc punching of described adjacent arc splicing block contacts;
The adjacent described arc connecting portion that makes progress in described week is spliced to form the ring-type yoke portion of described iron core, and adjacent described the second kink that makes progress in make progress in described week adjacent described the first kink and week is spliced to form the tooth portion of described iron core.
Preferably, described arc connecting portion and a side end of the both side ends that week makes progress arc connecting portion adjacent and contact are formed with groove certain depth and that extend along the length direction of described arc connecting portion, the outstanding formation of end side Plug Division; The described groove that described adjacent arc splicing block inserts by the Plug Division of described arc connecting portion the arc connecting portion that week makes progress adjacent splices.
The utility model also provides a kind of motor, comprises stator and rotor, and described stator and/or rotor have above-mentioned core structure.
The beneficial effects of the utility model:
The utility model is by being bent to form raw material arc punching, then by the arc punching successively coated arc splicing block that forms, arc splicing block is upwards spliced to form core structure in week, in the utility model, mainly by the mode of bending, raw material are processed, the thickness that iron core requires can be reached by the arc connecting portion length of single arc punching, compared to existing technology, reduce the generation of a large amount of waste materials, reduced to a great extent cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is iron core single chip architecture schematic diagram of the prior art;
Fig. 2 is core structure schematic diagram of the prior art;
Fig. 3 is the method flow diagram in the utility model;
Fig. 4 is the arc lamination structure schematic diagram in the utility model;
Fig. 5 is the arc splicing block structural representation in the utility model;
Fig. 6 is the core structure schematic diagram in embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, the every other embodiment that those of ordinary skills obtain, belongs to the scope that the utility model is protected.
The utility model embodiment provides a kind of iron core manufacture method, and as shown in Figure 3, the method specifically comprises the steps:
S11, raw material are formed to the arc punching with arc connecting portion, the first kink and the second kink as copper sheet or silicon steel sheet etc. through punch process.
Fig. 4 provides a kind of concrete structure of this arc punching, and its opposite ends with arc connecting portion 21, arc connecting portion 21 is along its radial direction outwards outstanding the first symmetrical kink 22 forming and the second symmetrical kink 23 of being relatively bent to form by the end corresponding to blind end of first kink 22 on both sides.Arc connecting portion 21, the first kink 21 and the second kink 22 form an inner chamber 24., and it has madial wall and lateral wall.
Wherein, the first kink 22 can be also that the opposite ends of arc connecting portion 21 is along inside outstanding formation of its radial direction.
S12, at least two arc punchings of general are the coated arc splicing block that forms successively.Arc splicing block as shown in Figure 5.Wherein, adjacent two arc punchings 31, the cavity madial wall of a rear arc punching is coated on the lateral wall of cavity of last arc punching, obvious, and the width of a rear arc punching and height should be greater than respectively width and the height of last arc punching.
S13, at least two arc splicing blocks are spliced to form to iron core.As shown in Figure 6, wherein, the arc connecting portion 42 of the outermost arc punching of adjacent arc splicing block 41 contacts, the first kink 43 of the outermost arc punching of adjacent arc splicing block 41 contacts, the second kink 34 of the outermost arc punching of adjacent arc splicing block 41 contacts, the arc connecting portion 42 that makes progress in week adjacent is spliced to form the ring-type yoke portion 45 of iron core, and the second adjacent kink 44 that makes progress in make progress in week the first adjacent kink 43 and week is spliced to form the tooth portion 46 of iron core.
In above-mentioned steps, wherein step S11 specifically comprises three kinds of modes:
First kind of way:
Two corresponding end of square sheet material body are bent to form to described the first kink along the radial direction of described ring-type yoke portion; Described the first kink has the blind end contacting with described square sheet material body.
Then end corresponding to the blind end of two described the first kinks is bent to form to described the second kink relatively;
Finally described square steel body is bent to form to arc connecting portion.
The second way:
Two corresponding end of square sheet material body are bent to form to the first kink along the radial direction of ring-type yoke portion; The first kink has the blind end contacting with square sheet material body;
Then the square sheet material body between the first kink is bent to form to arc connecting portion.
Finally end corresponding to the blind end of the first kink is bent to form to the second kink relatively.
The third mode:
The mid portion of square sheet material body is bent to form to arc connecting portion.
Then the two side ends described square sheet material body being connected with described arc connecting portion is bent to form described the first kink along the radial direction of described ring-type yoke portion; Described the first kink has the blind end contacting with described arc connecting portion;
Finally end corresponding to the blind end of two described the first kinks is bent to form to described the second kink relatively.
For realizing the splicing between arc splicing block, in the utility model splicing before, one side end of the both side ends of can be at described arc connecting portion and week making progress arc connecting portion adjacent and contact forms groove certain depth and that extend along the length direction of arc connecting portion, the outstanding formation of end side Plug Division.Then the Plug Division of arc connecting portion is inserted to the groove of the arc connecting portion that week makes progress adjacent.
Certainly, can adopt the modes such as welding to realize the combination of contiguous concatenation between fast in the utility model, the utility model is not done concrete restriction yet.
Corresponding said method, the utility model also provides a kind of core structure of motor, and this structure is as shown in Figure 6.Have the yoke portion 45 of ring-type and radially give prominence to laterally by yoke portion 45 the tooth portion 46 forming, core structure is formed by said method;
Core structure is upwards spliced to form in week mutually by least two arc splicing blocks, and arc splicing block is by least two arc punchings successively coated formation.
Wherein arc punching has arc connecting portion, the first kink and the second kink, the first kink is outwards given prominence to and is formed along the radial direction of arc connecting portion by the both side ends of arc connecting portion, the first kink has the blind end joining with arc connecting portion, and the second kink is bent to form relatively by the end corresponding to blind end of two the first kinks of arc connecting portion; Arc connecting portion, the first kink and the second kink are formed with a cavity.
In an arc splicing block, adjacent arc punching, the described cavity madial wall of a rear arc punching is coated on the lateral wall of described cavity of last described arc punching, described after arc punching described in one width and be greater than highly respectively the width of described last described arc punching and highly.
In Fig. 6, the arc connecting portion 42 of the outermost arc punching of adjacent arc splicing block 41 contacts, the first kink 43 of the outermost arc punching of adjacent arc splicing block 41 contacts, and the second kink 44 of the outermost arc punching of adjacent arc splicing block 41 contacts.
The arc connecting portion 42 that makes progress in week adjacent is spliced to form the ring-type yoke portion of iron core, and the first adjacent kink 43 that makes progress in week splices mutually and the second adjacent kink 44 that makes progress in week splices the common tooth portion 46 that forms iron core mutually.
For convenience of splicing, arc connecting portion and a side end of the both side ends that week makes progress arc connecting portion adjacent and contact can be formed with groove certain depth and that extend along the length direction of described arc connecting portion, and end side is given prominence to formation Plug Division; The groove that adjacent arc splicing block inserts by the Plug Division of arc connecting portion the arc connecting portion that week makes progress adjacent splices.
Corresponding said method and core structure, the utility model also provides a kind of motor, comprises stator and rotor.Its stator and/or rotor have the core structure in above-described embodiment.Related content can, referring to above-described embodiment, no longer describe in detail herein.
Above-described specific embodiment, the purpose of this utility model, technical scheme and beneficial effect are further described, institute it should be noted, the foregoing is only a specific embodiment of the present utility model, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (3)
1. a core structure, there is the yoke portion of ring-type and by the outstanding tooth portion forming radially of described yoke portion, it is characterized in that, described core structure is upwards spliced to form in week mutually by least two arc splicing blocks, described arc splicing block is by least two arc punchings successively coated formation, and described arc punching has arc connecting portion, the first kink and the second kink;
Wherein, described the first kink is given prominence to and is formed along the radial direction of described arc connecting portion by the both side ends of described arc connecting portion, described the first kink has the blind end joining with described arc connecting portion, and described the second kink is bent to form relatively by the end corresponding to blind end of two described the first kinks of described arc connecting portion; Described arc connecting portion, the first kink and the second kink are formed with a cavity;
Two adjacent described arc punchings of described arc splicing block, the described cavity madial wall of the arc punching described in rear is coated on the lateral wall of described cavity of last described arc punching, described after arc punching described in one width and be greater than highly respectively the width of described last described arc punching and highly;
The arc connecting portion of the outermost arc punching of described adjacent arc splicing block contacts, the first kink of the outermost arc punching of described adjacent arc splicing block contacts, and the second kink of the outermost arc punching of described adjacent arc splicing block contacts;
The adjacent described arc connecting portion that makes progress in described week is spliced to form the ring-type yoke portion of described iron core, and adjacent described the second kink that makes progress in make progress in described week adjacent described the first kink and week is spliced to form the tooth portion of described iron core.
2. core structure as claimed in claim 1, it is characterized in that, described arc connecting portion and a side end of the both side ends that week makes progress arc connecting portion adjacent and contact are formed with groove certain depth and that extend along the length direction of described arc connecting portion, the outstanding formation of end side Plug Division; The described groove that described adjacent arc splicing block inserts by the Plug Division of described arc connecting portion the arc connecting portion that week makes progress adjacent splices.
3. a motor, comprises stator and rotor, it is characterized in that, described stator and/or rotor have the core structure described in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555571.2U CN203445704U (en) | 2013-09-09 | 2013-09-09 | Iron core structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555571.2U CN203445704U (en) | 2013-09-09 | 2013-09-09 | Iron core structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445704U true CN203445704U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320555571.2U Expired - Fee Related CN203445704U (en) | 2013-09-09 | 2013-09-09 | Iron core structure and motor |
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| Country | Link |
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| CN (1) | CN203445704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015032160A1 (en) * | 2013-09-09 | 2015-03-12 | 苏州腾龙电机科技有限公司 | Method for manufacturing metal core, metal core structure, and motor |
-
2013
- 2013-09-09 CN CN201320555571.2U patent/CN203445704U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015032160A1 (en) * | 2013-09-09 | 2015-03-12 | 苏州腾龙电机科技有限公司 | Method for manufacturing metal core, metal core structure, and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150909 |
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| EXPY | Termination of patent right or utility model |