CN104377855A - Motor rotor, motor provided with motor rotor and manufacturing method of motor rotor - Google Patents
Motor rotor, motor provided with motor rotor and manufacturing method of motor rotor Download PDFInfo
- Publication number
- CN104377855A CN104377855A CN201410539392.9A CN201410539392A CN104377855A CN 104377855 A CN104377855 A CN 104377855A CN 201410539392 A CN201410539392 A CN 201410539392A CN 104377855 A CN104377855 A CN 104377855A
- Authority
- CN
- China
- Prior art keywords
- iron core
- rotor
- rotating shaft
- adjacent
- magnetic shoe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention is applicable to the technical field of motors and discloses a motor rotor, a motor provided with the motor rotor and a manufacturing method of the motor rotor. The motor rotor comprises at least two irony cores, a rotary shaft and at least two magnetic shoes, wherein the magnetic shoes are arranged on the outer sides of the irony cores, the rotary shaft is sleeved with the irony cores, and at least two adjacent irony cores are arranged at an interval. The motor rotor further comprises a plastic package portion, wherein the plastic package portion comprises a filled portion filled between the adjacent irony cores and a separation portion arranged between the adjacent magnetic shoes, the plastic package portion is integrally formed through injection molding, and the filled portion is connected with the separation portion. The motor is provided with the motor rotor. The manufacturing method is used for manufacturing the motor rotor. Even if the motor operates at high speed, the magnetic shoes do not easily fall off, and structural reliability is high.
Description
Technical field
The invention belongs to technical field of motors, particularly relate to a kind of rotor, have the manufacture method of the motor of this rotor and rotor.
Background technology
Current motor, such as plastic packaging motor, its rotor is coated on the outer surface of iron core by Plastic Division and carries out spacing to magnetic shoe, and the adhesion between magnetic shoe and iron core is large not, and when high-speed cruising, magnetic shoe has disengaging hidden danger, poor reliability.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of rotor, have the manufacture method of the motor of this rotor and rotor, the adhesion between its magnetic shoe and iron core is large, even if when high-speed cruising, magnetic shoe also not easily departs from, and reliability is high.
Technical scheme of the present invention is: a kind of rotor, comprise iron core, rotating shaft and magnetic shoe, described magnetic shoe is provided with at least two and is arranged at the outside of described iron core, described iron core is provided with at least two, each described iron core is placed in described rotating shaft, and have at least two adjacent described iron core intervals to arrange, described rotor also comprises Plastic Division, described Plastic Division comprises and is filled in filling part between adjacent described iron core and outside described iron core and the separating part be arranged between adjacent described magnetic shoe, described Plastic Division integrated injection molding, described filling part is connected with described separating part.
Alternatively, described magnetic shoe is provided with multiple and uniform along described iron core external circumferential.
Alternatively, described Plastic Division adopts thermoplastic integrated injection molding.
Alternatively, described thermoplastic is nylon material or PPT material.
Alternatively, the core stamping that described iron core comprises the stacked setting of at least two panels is often organized.
Alternatively, described rotating shaft is provided with for carrying out spacing stage portion to described iron core.
Alternatively, described rotating shaft is arranged with the spacing collar be located between adjacent described iron core.
Present invention also offers a kind of motor, described motor has above-mentioned rotor.
Present invention also offers a kind of manufacture method of rotor, comprise the following steps: preparation rotating shaft, at least two iron cores and at least two magnetic shoes, described iron core sleeve is located at described rotating shaft and spacing between at least two described iron cores is arranged, described iron core, rotating shaft and described magnetic shoe are put in injection mold, by the shaping Plastic Division of the mode of injection moulding, described Plastic Division comprises and is filled in filling part between adjacent described iron core and outside described iron core and the separating part be arranged between adjacent described magnetic shoe.
Alternatively, when preparing described rotating shaft, step is set in described rotating shaft, iron core described in two groups is placed on described rotating shaft from the both sides of described step respectively; Or, the spacing collar being placed on described rotating shaft is set between adjacent described iron core.
A kind of rotor provided by the present invention, there is the motor of this rotor and the manufacture method of rotor, it forms filling part by one plastic packaging between at least two adjacent iron cores, filling part connects with separating part and one-body molded, magnetic shoe reliably can be fixed on around iron core by separating part, even when high-speed cruising, magnetic shoe is also not easy to come off, and structural reliability is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the floor map of the rotor that the embodiment of the present invention provides;
Fig. 2 is the generalized section of the E-E section of rotor in Fig. 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As depicted in figs. 1 and 2, a kind of rotor 100 that the embodiment of the present invention provides, comprise iron core 110, rotating shaft (in figure, non-figure goes out) and magnetic shoe 120, described magnetic shoe 120 is provided with at least two and is arranged at the outside of described iron core 110.The central authorities of iron core 110 have the axis hole 111 for passing for rotating shaft.Described iron core 110 is provided with at least two, and each described iron core 110 is placed in described rotating shaft, and has at least two adjacent described iron core 110 intervals to arrange, and namely has and has at least two iron cores 110 to be separated by setting.Described rotor 100 also comprises Plastic Division 130, described Plastic Division 130 comprises and is filled in filling part 131 between adjacent described iron core 110 and outside described iron core 110 and the separating part 132 (also can be cam part) be arranged between adjacent described magnetic shoe 120, described Plastic Division 130 integrated injection molding, described filling part 131 connects with described separating part 132.The both ends of the surface of filling part 131 contact with iron core 110.The outside of filling part 131 is connected with separating part 132, and filling part 131 and separating part 132 can integrally be connected and integrated injection molding.Plastic Division 130 also comprises the plastic packaging end 133 being positioned at rotor 100 two ends, the two ends up and down of separating part 132 are shaped in plastic packaging end 133, the one-body molded middle part being connected to separating part 132 of filling part 131, define a three-dimensional multi-layer type encapsulation structure, iron core 110 is located in adjacent filling part 131 or between adjacent filling part 131 and plastic packaging end 133, separating part 132 is strip and is shaped in plastic packaging end 133 by multiple spot, filling part 131, it is not easy distortion, separating part 132 and plastic packaging end 133, filling part 131 combines reliably, magnetic shoe 120 reliably can be fixed on around iron core 110 by separating part 132, even when high-speed cruising, magnetic shoe 120 is also not easy to come off, structural reliability is high.
Particularly, described magnetic shoe 120 is provided with multiple and uniform along described iron core 110 external circumferential, and magnetic shoe 120 is fixed by separating part 132.
Particularly, described Plastic Division 130 can adopt thermoplastic integrated injection molding, and its plastic packaging is effective.
Particularly, described thermoplastic can be the suitable material such as nylon material or PPT material.
Particularly, the core stamping that described iron core 110 comprises the stacked setting of at least two panels is often organized.Iron core 110 can be formed by the stacked setting of multi-disc core stamping, and its production cost is low, and production efficiency is high.Certainly, iron core 110 also can be set to integrate shaped type etc.
Particularly, described rotating shaft being provided with for carrying out spacing stage portion (not shown) to described iron core 110, being applicable to the situation of two iron cores 110, two iron cores 110 are placed on rotating shaft from the two ends of rotating shaft respectively, and are located by stage portion.
Particularly, described rotating shaft is arranged with the spacing collar (not shown) be located between adjacent described iron core 110, by the spacing collar, adjacent iron core 110 is separated, be applicable to the situation of two or more iron cores 110, and easy to assembly.
Understandably, iron core 110 can be provided with two or more, and the interval between iron core 110 can be provided with more than a place or a place, all belongs to protection scope of the present invention.Such as, when being provided with plural iron core 110, all can be provided with filling part 131 between all adjacent iron cores 110, also alternative setting of being fitted by least two iron cores 110, also belongs to protection scope of the present invention.
Particularly, the radial direction of iron core 110 can be provided with intercommunicating pore (not shown), plastic in intercommunicating pore have interconnecting part (not shown), and interconnecting part can be one-body molded with during injection moulding and Plastic Division 130, and interconnecting part is integrally connected to separating part 132.
Particularly, the end face of iron core 110 can be provided with shrinkage pool (not shown), filling part 131 can be formed with the protuberance (not shown) stretching into shrinkage pool, to improve reliability further.
Particularly, can also be processed with groove (not shown) in the side of magnetic shoe 120, the material of separating part 132 can be embedded in groove, to improve reliability further.
Present invention also offers a kind of motor, described motor has above-mentioned rotor 100.Motor can be plastic packaging motor.By arranging and the integrated filling part 131 of separating part 132 between adjacent iron core 110, define a three-dimensional multi-storey net type injection molding packaging structure, iron core 110 is located in adjacent filling part 131 or between adjacent filling part 131 and plastic packaging end 133, separating part 132 is strip and is shaped in plastic packaging end 133 by multiple spot, filling part 131, it is not easy distortion, with plastic packaging end 133, filling part 131 combines reliably, magnetic shoe 120 reliably can be fixed on around iron core 110 by separating part 132, even when high-speed cruising, magnetic shoe 120 is also not easy to come off, structural reliability is high.
The embodiment of the present invention additionally provides a kind of manufacture method of rotor, can be used for preparing above-mentioned rotor 100, comprise the following steps: preparation rotating shaft, at least two iron cores 110 and at least two magnetic shoes 120, described iron core 110 is sheathed on described rotating shaft and spacing between at least two described iron cores 110 is arranged, by described iron core 110, rotating shaft and described magnetic shoe 120 are put in injection mold, by the shaping Plastic Division 130 of the mode of injection moulding, described Plastic Division 130 comprises and is filled in filling part 131 between adjacent described iron core 110 and outside described iron core 110 and the separating part 132 be arranged between adjacent described magnetic shoe 120.Plastic packaging end 133 is had in rotor 100 two ends integrated injection molding when Plastic Division 130 is shaping, like this, the one-body molded middle part being connected to separating part 132 of filling part 131, define a three-dimensional multi-layer type encapsulation structure, iron core 110 is located in adjacent filling part 131 or between adjacent filling part 131 and plastic packaging end 133, separating part 132 is strip and is shaped in plastic packaging end 133 by multiple spot, filling part 131, it is not easy distortion, with plastic packaging end 133, filling part 131 combines reliably, magnetic shoe 120 reliably can be fixed on around iron core 110 by separating part 132, even when high-speed cruising, magnetic shoe 120 is also not easy to come off, structural reliability is high.
Particularly, when preparing described rotating shaft, step is set in described rotating shaft, iron core 110 described in two groups is placed on described rotating shaft from the both sides of described step respectively; Separated by step between iron core 110 described in two groups, when injection mo(u)lding, iron core 110 can not relative displacement.Or, also can pass through frock, the location etc. of fixture realization to iron core 110.
Or arrange the spacing collar being placed on described rotating shaft between adjacent described iron core 110, separated by adjacent iron core 110 by the spacing collar, iron core 110 and the spacing collar can be arranged alternately, and when injection mo(u)lding, iron core 110 can not relative displacement.
A kind of rotor 100 that the embodiment of the present invention provides, there is the motor of this rotor 100 and the manufacture method of rotor, it forms filling part 131 by one plastic packaging between at least two adjacent iron cores 110, filling part 131 connects with separating part 132 and one-body molded, magnetic shoe 120 reliably can be fixed on around iron core 110 by separating part 132, even when high-speed cruising, magnetic shoe 120 is also not easy to come off, and structural reliability is high.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a rotor, comprise iron core, rotating shaft and magnetic shoe, described magnetic shoe is provided with at least two and is arranged at the outside of described iron core, it is characterized in that, described iron core is provided with at least two, each described iron core is placed in described rotating shaft, and have at least two adjacent described iron core intervals to arrange, described rotor also comprises Plastic Division, described Plastic Division comprises and is filled in filling part between adjacent described iron core and outside described iron core and the separating part be arranged between adjacent described magnetic shoe, described Plastic Division integrated injection molding, described filling part is connected with described separating part.
2. rotor as claimed in claim 1, is characterized in that, described magnetic shoe is provided with multiple and uniform along described iron core external circumferential.
3. rotor as claimed in claim 1, is characterized in that, described Plastic Division adopts thermoplastic integrated injection molding.
4. rotor as claimed in claim 3, it is characterized in that, described thermoplastic is nylon material or PPT material.
5. rotor as claimed in claim 1, is characterized in that, often organize the core stamping that described iron core comprises the stacked setting of at least two panels.
6. the rotor according to any one of claim 1 to 5, is characterized in that, described rotating shaft is provided with for carrying out spacing stage portion to described iron core.
7. the rotor according to any one of claim 1 to 5, is characterized in that, described rotating shaft is arranged with the spacing collar be located between adjacent described iron core.
8. a motor, is characterized in that, described motor has the rotor according to any one of claim 1 to 7.
9. the manufacture method of a rotor, it is characterized in that, comprise the following steps: preparation rotating shaft, at least two iron cores and at least two magnetic shoes, described iron core sleeve is located at described rotating shaft and spacing between at least two described iron cores is arranged, described iron core, rotating shaft and described magnetic shoe are put in injection mold, by the shaping Plastic Division of the mode of injection moulding, described Plastic Division comprises and is filled in filling part between adjacent described iron core and outside described iron core and the separating part be arranged between adjacent described magnetic shoe.
10. the manufacture method of rotor as claimed in claim 9, is characterized in that, arrange step when preparing described rotating shaft in described rotating shaft, iron core described in two groups is placed on described rotating shaft from the both sides of described step respectively; Or, the spacing collar being placed on described rotating shaft is set between adjacent described iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539392.9A CN104377855B (en) | 2014-10-13 | 2014-10-13 | The manufacture method of rotor, the motor with the rotor and rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539392.9A CN104377855B (en) | 2014-10-13 | 2014-10-13 | The manufacture method of rotor, the motor with the rotor and rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104377855A true CN104377855A (en) | 2015-02-25 |
| CN104377855B CN104377855B (en) | 2017-10-31 |
Family
ID=52556577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410539392.9A Active CN104377855B (en) | 2014-10-13 | 2014-10-13 | The manufacture method of rotor, the motor with the rotor and rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104377855B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359186A (en) * | 2000-12-04 | 2002-07-17 | 阿尔斯托姆电力有限公司 | Method for making synchronous motor rotor with permanent magnet and the rotor made by said method |
| JP2003125549A (en) * | 2001-10-15 | 2003-04-25 | Matsushita Electric Ind Co Ltd | Permanent-magnet rotor and motor |
| CN201623555U (en) * | 2010-02-25 | 2010-11-03 | 江苏富天江电子电器有限公司 | Fixing structure for steel magnet |
| CN204205752U (en) * | 2014-10-13 | 2015-03-11 | 广东威灵电机制造有限公司 | Rotor and the motor with this rotor |
-
2014
- 2014-10-13 CN CN201410539392.9A patent/CN104377855B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359186A (en) * | 2000-12-04 | 2002-07-17 | 阿尔斯托姆电力有限公司 | Method for making synchronous motor rotor with permanent magnet and the rotor made by said method |
| JP2003125549A (en) * | 2001-10-15 | 2003-04-25 | Matsushita Electric Ind Co Ltd | Permanent-magnet rotor and motor |
| CN201623555U (en) * | 2010-02-25 | 2010-11-03 | 江苏富天江电子电器有限公司 | Fixing structure for steel magnet |
| CN204205752U (en) * | 2014-10-13 | 2015-03-11 | 广东威灵电机制造有限公司 | Rotor and the motor with this rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104377855B (en) | 2017-10-31 |
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