CN202651940U - Split type rotor frame - Google Patents
Split type rotor frame Download PDFInfo
- Publication number
- CN202651940U CN202651940U CN 201220335264 CN201220335264U CN202651940U CN 202651940 U CN202651940 U CN 202651940U CN 201220335264 CN201220335264 CN 201220335264 CN 201220335264 U CN201220335264 U CN 201220335264U CN 202651940 U CN202651940 U CN 202651940U
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- Prior art keywords
- hole
- center
- frame
- flange
- rotor frame
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- Expired - Lifetime
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Abstract
The utility model provides a split type rotor frame, comprising two disc-shaped first frame plates. The first frame plate is made by a forging process using non-magnetic stainless steel plates. The first frame plate comprises even number first vias and a first central via, a circle of disc-shaped outer end surface flanges in a same direction, a circle of first via flanges on the first vias, and a circle of first central via flange on the first central via. Free ends of the outer end surface flanges, free ends of the first via flanges, and a free end of the first central via flange are parallel and level. The outer end surface flanges and the first central via flanges of the two first frame plates are correspondingly contacted with each other, and each of the corresponding first via flanges are contacted with each other. The rotor frame is formed after the two first frame plates are fixed. The rotor frame is formed by fixing two stamped non-magnetic stainless steel plates. The rotor frame is simple in manufacturing process, low in cost, and uses little materials so that material and processing cost of the whole rotor frame is correspondingly reduced.
Description
[
Technical field]
The utility model relates to the disc type electric machine that has axial magnetic circuit, particularly relates to the magnetic circuit parts of making disc type electric machine, relates in particular to the rotor body take magnetic material as feature in the disc type electric machine, as being used for the rotor frame on the disc type electric machine.
[
Background technology]
Disc type electric machine be 1821 by faraday's utility model, over more than 100 year, because the restriction of material and technological level fails to be further developed all the time.Last century four the fifties, disc type electric machine comes into one's own again, is used on the products such as hard disc of computer and tape recorders.Disc type electric machine is compared with the conventional radial magnetic circuit motor and is had that axial dimension is short, moving component is few and the electric efficiency advantages of higher, is particularly suitable for motor shaft has occasion from strict restriction to installation dimension.
The tradition magneto adopts the magnet radial poles structure, and it embeds winding in core lamination stack according to certain rules, but this motor axial dimension is long, is not suitable for installing in slim space.For this reason, to being of a size of target, change conventional motors radial magnetic circuit is that the disc type electric machine of axial magnetic circuit structure more and more is subject to people's attention with compressional axis.
Step by step development along with the disc type electric machine technology it is found that, the utilance of disc type electric machine is done to such an extent that be not very desirable always.The prior art disc type electric machine comprises at least one cover rotor assembly and motor shaft; Every cover rotor assembly all comprises again discoidal rotor frame and even numbered blocks permanent magnet; Even compartment of terrain is provided with and described permanent magnet through hole adaptive, equivalent amount on the described rotor frame, and which is provided with center through hole; By described center through hole, described rotor frame is axially fixed on the described motor shaft; Respectively this permanent magnet is fixed in each through hole of described rotor frame, N, S utmost point alternative arrangement.Non-magnetic stainless steel material is made but the rotor frame of prior art adopts a monoblock, and its manufacturing process cost is high, and material cost is also high.
[
The utility model content]
The technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of split type rotor frame is provided, be used for disc type electric machine, because this rotor frame fixedly forms after adopting two non-magnetic corrosion resistant plate punch process, its manufacturing process is simple, cost is low, material therefor is few, and the material of whole rotor frame and processing cost have just correspondingly reduced.
The technical scheme that the utility model solve the technical problem employing is:
A kind of split type rotor frame is provided, is used for disc type electric machine, comprise two discoidal the first frame plates; Described the first frame plate adopts non-magnetic corrosion resistant plate punch process to form, comprise even number the first through hole and the first center through hole that even compartment of terrain punch process forms, and forming each first through hole flange of circle of being positioned at a unidirectional circle disc outer face flange, each first through hole and a circle first center through hole flange at the first center through hole place through punch process, the free end of described outer face flange, the free end of the first through hole flange are concordant with the free end of the first center through hole flange; The free end of end face flange and the free end of the first center through hole flange are in contact with one another separately accordingly outside two described the first frame plates, the free end of each corresponding first through hole flange also is in contact with one another, become rotor frame after two described the first frame plates are fixing, the common center through hole that consists of on the motor shaft that is fixed on disc type electric machine of the first center through hole of two described the first frame plates, and each corresponding first through hole is configured to hold each through hole of each permanent magnet of disc type electric machine jointly.
In order to increase the axial depth of the first center through hole, namely increase the axial depth of the center through hole of rotor frame, making it increases with the motor shaft regular length of disc type electric machine; The outside punch process of described the first frame plate has and rightabout annular the first central boss of described outer face flange, and described the first center through hole and the first center through hole flange thereof are positioned on this first central boss, and have same central axis.
Axial depth for the center through hole that increases again rotor frame makes it longer with the motor shaft regular length of disc type electric machine; Described split type rotor frame also comprises two stiffeners that are provided with the 3rd center through hole, and the diameter of the first center through hole of the diameter of described the 3rd center through hole and described the first frame plate is equal; Two stiffeners are separately fixed on the first central boss of two described the first frame plates, the described center through hole of the common formation of the 3rd center through hole on it and the first center through hole of two described the first frame plates.
Axial depth for the center through hole that increases again rotor frame makes it longer with the motor shaft regular length of disc type electric machine; Described stiffener outwards is processed with annular the second central boss with the same direction of described the first central boss, and the 3rd center through hole runs through this second central boss.
Described split type rotor frame also comprises many pieces of rivets; By many pieces of rivets two described the first frame plates are fixed together.
Compare with prior art, the beneficial effect of the split type rotor frame of the utility model is:
Rotor frame fixedly forms after adopting two non-magnetic corrosion resistant plate punch process, and its manufacturing process is simple, and cost is low, and material therefor is few, and the material of whole rotor frame and processing cost have just correspondingly reduced.
[
Description of drawings]
Fig. 1 is the axonometric projection schematic diagram of the split type rotor frame of the utility model;
Fig. 2 is the axonometric projection schematic diagram after rotor frame 31 shown in Figure 1 decomposes;
Fig. 3 is the main schematic diagram of looking of the orthographic projection of rotor frame 31 shown in Figure 1;
Fig. 4 is the B-B cross-sectional schematic of Fig. 3;
Fig. 5 is the axonometric projection schematic diagram of the first frame plate 312 of described rotor frame 31;
Fig. 6 is the main schematic diagram of looking of the orthographic projection of the first frame plate 312 shown in Figure 5;
Fig. 7 is the C-C cross-sectional schematic of Fig. 6.
[embodiment]
Below in conjunction with each accompanying drawing the utility model is described in further detail.
Referring to Fig. 1 to Fig. 7, a kind of split type rotor frame 31 is provided, be used for comprising two discoidal the first frame plates 312 on the disc type electric machine; Described the first frame plate 312 adopts non-magnetic corrosion resistant plate punch process to form, comprise that even number that even compartment of terrain punch process forms is used for holding the first through hole 3125 and first center through hole 3121 of each permanent magnet of disc type electric machine, and form through punch process and to be positioned at a unidirectional circle disc outer face flange 3122, one each first through hole flange 3123 of circle at each the first through hole 3125 place and a circle first center through hole flange 3124 at the first center through hole 3121 places, the free end 31225 of described outer face flange 3122, the free end 31235 of the first through hole flange 3123 is concordant with the free end 31245 of the first center through hole flange 3124, be in the same plane, namely described outer face flange 3122, the flange height of the flange height of the first through hole flange 3123 and the first center through hole flange 3124 all equates; Described outer face flange 3122, the first center through hole 3121 and the first center through hole flange 3124 have same central axis; The free end 31225 of end face flange 3122 and the free end 31245 of the first center through hole flange 3124 are in contact with one another separately accordingly outside two described the first frame plates 312, the free end 31235 of each corresponding first through hole flange 3123 also is in contact with one another, after fixing, two described the first frame plates 312 become rotor frame 31, the common center through hole 311 that consist of on the motor shaft that is fixed on disc type electric machine of the first center through hole 3121 of two described the first frame plates 312, and each corresponding first through hole 3125 is configured to hold each through hole 315 of each permanent magnet of disc type electric machine jointly.
It is that 1.0～2.0 millimeters non-magnetic corrosion resistant plate punch process form that the first frame plate 312 can adopt thickness, is 1.2 millimeters non-magnetic corrosion resistant plates as adopting thickness.Certainly depend on the circumstances, the first frame plate 312 also can adopt the non-magnetic corrosion resistant plate punch process of other thickness to form.
Referring to Fig. 1, can by the center through hole 311 of described rotor frame 31, described rotor frame 31 be axially fixed on the motor shaft of disc type electric machine.
Referring to Fig. 2 to Fig. 7, in order to increase the axial depth of the first center through hole 3121, namely increase the axial depth of the center through hole 311 of rotor frame 31, making it increases with the motor shaft regular length of disc type electric machine; Described the first frame plate 312 outside punch process have and described outer face flange 3122 rightabout annular the first central boss 3126, described the first center through hole 3121 and the first center through hole flange 3124 thereof are positioned on this first central boss 3126, and have same central axis.
Referring to the axial depth of Fig. 2 to Fig. 7 for the center through hole 311 that increases again rotor frame 31, make it longer with the motor shaft regular length of disc type electric machine; Described split type rotor frame 31 also comprises two stiffeners 317 that are provided with the 3rd center through hole 3171, the diameter of the first center through hole 3121 of the diameter of described the 3rd center through hole 3171 and described the first frame plate 312 is equal, the outer dia of stiffener 317 can be designed on an equal basis with the outer dia of the first central boss 3126 of described the first frame plate 312; Two stiffeners 317 are separately fixed on the first central boss 3126 of two described the first frame plates 312, the described center through hole 311 of the first center through hole 3121 common formations of the 3rd center through hole 3171 on it and two described the first frame plates 312.Available screw 318 is fixing with stiffener 317 and the first frame plate 312.
Referring to Fig. 2 to Fig. 7, the axial depth for the center through hole 311 that increases again rotor frame 31 makes it longer with the motor shaft regular length of disc type electric machine; Annular the second central boss 3176, the three center through hole 3171 that described stiffener 317 outwards is processed with described the first central boss 3126 same directions run through this second central boss 3176.
Referring to Fig. 1 to Fig. 7, described split type rotor frame 31 also comprises many pieces of rivets 316; By many pieces of rivets 316 two described the first frame plates 312 are fixed together.
The utility model rotor frame 31 comprises two the first frame plates 312, and they all are to adopt non-magnetic corrosion resistant plate punch process to form, and its manufacturing process is simple, and cost is low, material therefor is few, and the material of whole rotor frame and processing cost have just correspondingly reduced.
The above embodiment has only expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim; Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model; Therefore, all equivalents and modifications of doing with the utility model claim scope all should belong to the covering scope of the utility model claim.
Claims (5)
1. one kind split type rotor frame (31) is used for disc type electric machine; It is characterized in that:
Described rotor frame (31) comprises two discoidal the first frame plates (312); Described the first frame plate (312) adopts non-magnetic corrosion resistant plate punch process to form, comprise even number the first through hole (3125) and the first center through hole (3121) that even compartment of terrain punch process forms, and through punch process form be positioned at unidirectional one the circle disc outer face flange (3122), a circle the first center through hole flange (3124) that each first through hole flange (3123) of circle that each first through hole (3125) is located and the first center through hole (3121) are located, the free end (31225) of described outer face flange (3122), the free end (31235) of the first through hole flange (3123) is concordant with the free end (31245) of the first center through hole flange (3124); The free end (31245) of the free end (31225) of end face flange (3122) and the first center through hole flange (3124) is in contact with one another separately accordingly outside two described the first frame plates (312), the free end (31235) of each corresponding first through hole flange (3123) also is in contact with one another, become rotor frame (31) after two described the first frame plates (312) are fixing, the common center through hole (311) that consists of on the motor shaft that is fixed on disc type electric machine of first center through hole (3121) of two described the first frame plates (312), and each corresponding first through hole (3125) is configured to hold each through hole (315) of each permanent magnet of disc type electric machine jointly.
2. split type rotor frame according to claim 1 (31) is characterized in that:
Described the first frame plate (312) outwards punch process has and rightabout annular the first central boss of described outer face flange (3122) (3126); Described the first center through hole (3121) and the first center through hole flange (3124) thereof are positioned on this first central boss (3126), and have same central axis.
3. split type rotor frame according to claim 2 (31) is characterized in that:
Also comprise two stiffeners (317) that are provided with the 3rd center through hole (3171), the diameter of first center through hole (3121) of the diameter of described the 3rd center through hole (3171) and described the first frame plate (312) is equal; Two stiffeners (317) are separately fixed on first central boss (3126) of two described the first frame plates (312), and the 3rd center through hole (3171) on it consists of described center through hole (311) jointly with first center through hole (3121) of two described the first frame plates (312).
4. split type rotor frame according to claim 3 (31) is characterized in that:
Described stiffener (317) outwards is processed with annular the second central boss (3176) with the same direction of described the first central boss (3126); Described the 3rd center through hole (3171) runs through this second central boss (3176).
5. according to claim 1 to 4 each described split type rotor frames (31), it is characterized in that:
Also comprise many pieces of rivets (316); By many pieces of rivets (316) two described the first frame plates (312) are fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220335264 CN202651940U (en) | 2012-07-12 | 2012-07-12 | Split type rotor frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220335264 CN202651940U (en) | 2012-07-12 | 2012-07-12 | Split type rotor frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202651940U true CN202651940U (en) | 2013-01-02 |
Family
ID=47420981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220335264 Expired - Lifetime CN202651940U (en) | 2012-07-12 | 2012-07-12 | Split type rotor frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202651940U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846096A (en) * | 2017-10-20 | 2018-03-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Disk type electric motor rotor and disc type electric machine |
| CN111541351A (en) * | 2020-04-30 | 2020-08-14 | 南京理工大学 | Double-stator single-rotor axial magnetic field hybrid excitation synchronous motor |
| US11692856B1 (en) | 2022-06-03 | 2023-07-04 | Nidec Motor Corporation | Rotary encoder shaft clamp |
-
2012
- 2012-07-12 CN CN 201220335264 patent/CN202651940U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846096A (en) * | 2017-10-20 | 2018-03-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Disk type electric motor rotor and disc type electric machine |
| CN111541351A (en) * | 2020-04-30 | 2020-08-14 | 南京理工大学 | Double-stator single-rotor axial magnetic field hybrid excitation synchronous motor |
| CN111541351B (en) * | 2020-04-30 | 2022-04-01 | 南京理工大学 | Double-stator single-rotor axial magnetic field hybrid excitation synchronous motor |
| US11692856B1 (en) | 2022-06-03 | 2023-07-04 | Nidec Motor Corporation | Rotary encoder shaft clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |