CN206834864U - Rotor punching, rotor and motor - Google Patents
Rotor punching, rotor and motor Download PDFInfo
- Publication number
- CN206834864U CN206834864U CN201720787557.3U CN201720787557U CN206834864U CN 206834864 U CN206834864 U CN 206834864U CN 201720787557 U CN201720787557 U CN 201720787557U CN 206834864 U CN206834864 U CN 206834864U
- Authority
- CN
- China
- Prior art keywords
- rotor
- punching
- trough rim
- rim
- punching body
- 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.)
- Active
Links
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
It the utility model is related to machine field, disclose a kind of rotor punching, rotor and motor, the rotor punching includes punching body (1) and the multiple rotor slots (2) being arranged on the punching body (1), multiple rotor slots (2) along the punching body (1) circumferentially, each rotor slot (2) is by the first trough rim (3) for being sequentially connected, second trough rim (6), 3rd trough rim (4) and the 4th trough rim (5) are collectively formed and formed along the punching body (1) tapered shape from outside to inside, wherein, first trough rim (3) is set close to the outer rim of punching body (1), the maximum of first trough rim (3) to the radial direction spacing of the outer rim of punching body (1) is W1, minimum value is W2, and meet 0≤W1 W2≤30%W2.The groove profile of rotor slot on rotor punching provided by the utility model is narrow and deep, and notch leakage reactance is smaller, can reduce the added losses of motor, increases starting torque, is integrally improved the performance of motor.
Description
Technical field
Machine field is the utility model is related to, more particularly to a kind of rotor punching, rotor and motor.
Background technology
The rotor slot on the market on common motor rotor punching sheet is substantially the design using pyriform, this design at present
Mould be easy to manufacture, the cost processed is relatively low and service life is longer, but air-gap induction is low, can cause operating efficiency
It is relatively low.In addition, the shape design of rotor slot is improper, it is also possible to wiring operations are brought with certain difficulty, causes motor
The decline of overall performance.
Therefore, it is necessary to a kind of high motor rotor punching sheet of air gap flux density.
Utility model content
The purpose of this utility model is asked to overcome existing for prior art that air gap flux density is relatively low, electric efficiency is low etc.
Topic, there is provided a kind of rotor punching, the air gap flux density of the rotor punching are higher.
To achieve these goals, on the one hand the utility model provides a kind of rotor punching, and the rotor punching includes punching
Body and the multiple rotor slots being arranged on the punching body, circumferential cloth of multiple rotor slots along the punching body
Put, each rotor slot is collectively formed by the first trough rim, the second trough rim, the 3rd trough rim and the 4th trough rim that are sequentially connected and shape
Into along the punching body tapered shape from outside to inside, wherein, first trough rim is set close to the outer rim of the punching body
Put, the maximum of first trough rim to the radial direction spacing of the outer rim of the punching body is W1, minimum value W2, and meets 0
≤ W1-W2≤30%W2.
Preferably, the thickness of the punching body is t, wherein：T span is 0.4mm-0.6mm；And/or
0.2t≤W2≤t。
Preferably, the Q rotor slots, 26≤Q≤34 are provided with the punching body.
Preferably, two trough rims adjacent to each other of the adjacent rotor slot are parallel to each other.
Preferably, the spacing between parallel two trough rim of the adjacent rotor slot is L, the punching sheet
The external diameter of body is D, and meets the π D/ (20Q) of 7 π D/ (20Q)≤L≤10.
Preferably, first trough rim is straightway；Or first trough rim is and the body concentric circle of punching sheet
Circular arc.
Preferably, second trough rim and the 4th trough rim along the radial direction of punching body on passing through first trough rim
The straight line at midpoint is symmetrical.
Preferably, second trough rim and the 4th trough rim be straight side and first trough rim, second trough rim,
The joint of 3rd trough rim and the 4th trough rim is round-corner transition.
The utility model second aspect provides a kind of rotor, and the rotor includes rotor core, and the rotor core is by such as
Upper described rotor punching alignment die casting is formed.
The utility model third aspect provides a kind of motor, and the motor includes rotor as described above.
Pass through above-mentioned technical proposal, it is big that the first trough rim of rotor slot can form width between the side of the punching body
Equal magnetic core portion is caused, while coordinates the tapered from outside to inside of rotor slot to be shaped such that groove profile is narrow and deep, notch leakage reactance is smaller,
Electric current is larger, forms the kelvin effect of electric current, reduces the added losses of motor, increases starting torque, is integrally improved electricity
The performance of machine.
Brief description of the drawings
Fig. 1 is the schematic diagram according to the rotor punching of the utility model preferred embodiment；
Fig. 2 is the enlarged drawing of the rotor slot of Fig. 1 rotor punching.
Description of reference numerals
The second trough rims of the trough rim 6- 7- of the 3rd trough rim 5- of 1- punching body 2- rotor slots 3- the first trough rim 4- the 4th turn
Sub- axis hole 8- rotor tooths
Embodiment
The utility model provides a kind of rotor punching, and the rotor punching includes punching body 1 and is arranged on the punching sheet
Multiple rotor slots 2 on body 1, multiple rotor slots 2 along the punching body 1 circumferentially, each rotor slot 2 by
The first trough rim 3, the second trough rim 6, the 3rd trough rim 4 and the 4th trough rim 5 being sequentially connected are collectively formed and formed along the punching sheet
The tapered shape from outside to inside of body 1, wherein, first trough rim 3 is set close to the outer rim of the punching body 1, and described first
The maximum of trough rim 3 to the radial direction spacing of the outer rim of the punching body 1 is W1, minimum value W2, and 0≤W1-W2 of satisfaction≤
30%W2.
First trough rim 3 can fluctuate with the radial direction spacing of the outer rim of punching body 1 in a less scope so that
The change width in the magnetic core portion formed between the outer rim of punching body 1 of the first trough rim 3 of each rotor slot 2 is smaller, coordinates
The shape tapered from outside to inside of rotor slot 2 so that the groove profile of rotor slot 2 is narrow and deep, and notch leakage reactance is smaller, and electric current is larger, shape
Into the kelvin effect of electric current, the added losses of motor are reduced, increase starting torque, be integrally improved the performance of motor.
Punching body 1 can select appropriate thickness, due to motor be passed through the frequency of electric current from generally 50HZ or
60HZ, frequency is relatively low, and the eddy-current loss for the iron core that punching body 1 is formed is relatively low, and punching body 1 is excessively thin can cause manufacturing cost
Be substantially improved, in order to obtain one between performance and cost preferably balance, it is preferable that the thickness of the punching body 1
For t, t span is 0.4mm-0.6mm.
Further, since opening up rotor slot 2 on punching body 1 typically by way of punching press, the width in magnetic core portion is smaller,
Punching press intensity is lower, in order to ensure Life of Punch Die and punching press intensity, it is preferable that 0.2t≤W2≤t.
In order that rotor punching has given play to optimal performance, it is preferable that Q described turn is provided with the punching body 1
Pilot trench 2,26≤Q≤34.
Preferably, two trough rims adjacent to each other of the adjacent rotor slot 2 are parallel to each other.As shown in figure 1, each two
Formed with rotor tooth 8 between adjacent rotor slot 2, magnetic flux is by the straight rotor tooth 8 in both sides.Also it may be preferred that adjacent institute
It is L (i.e. the width of rotor tooth 8) to state the spacing between parallel two trough rim of rotor slot 2, the punching body 1
External diameter is D, and meets the π D/ (20Q) of 7 π D/ (20Q)≤L≤10.It can ensure that circumferential width L is arranged on conjunction using the calculation formula
The scope of reason so that rotor slot 2 possesses enough sectional areas, ensures that the magnetic flux path for flowing through rotor tooth 8 is smooth, improves electricity
The efficiency of machine.Wherein, a preferred embodiment as the application, D=46.7mm, Q=26, L=2.2mm.
To ensure that the radial direction spacing of the first trough rim 3 to the outer rim of the punching body 1 is roughly the same, it is preferable that described the
One trough rim 3 is straightway；Or the circular arc that first trough rim 3 is the circle concentric with the punching body 1.
Wherein, when the first trough rim 3 is circular arc, can make to be formed between the first trough rim 3 and the outer rim of punching body 1 each
Partial width is essentially equal, and now the 3rd trough rim 4 may also preferably be circular arc, and keep the circular arc and the 3rd trough rim 4 of the first trough rim 3
Circular arc bending direction it is opposite.
For ease of processing, second trough rim 6 and the 4th trough rim 5 can be made on the radial direction warp along punching body 1
It is symmetrical to cross the straight line at the midpoint of the first trough rim 3, rotor slot 2 can be allowd to form one and symmetrically inside contract shape, ensures
The narrow and deep form of the groove profile of rotor slot 2, reduce the added losses of motor.
Preferably, second trough rim 6 and the 4th trough rim 5 are straight side and the first trough rim 3, the second trough rim the 6, the 3rd
The joint of the trough rim 5 of trough rim 4 and the 4th is round-corner transition.
Thus, the substantially isosceles trapezoid of rotor slot 2, to process.Wherein, because rotor slot 2 typically uses punch process
Formed, the first trough rim 3, the second trough rim 6, the joint of the 3rd trough rim 4 and the 4th trough rim 5 are difficult to process the company between straight trip side
Form is connect, joint is more convenient for being processed into fillet, and fillet also ensures the intensity of punching body 1.
In addition, the application also provides a kind of rotor, the rotor includes rotor core, and the rotor core is by as described above
Rotor punching alignment die casting is formed.As shown in figure 1, formed with rotor shaft hatch 7 on punching body 1, so that rotor can rotate.
The application third aspect provides a kind of motor, and the motor includes rotor as described above.The electricity that the application provides
Machine is due to the improvement to rotor punching so that the added losses of motor reduce, detent torque increase, the stability of motor operation
It is improved.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (10)
1. a kind of rotor punching, it is characterised in that the rotor punching includes punching body (1) and is arranged on the punching body
(1) multiple rotor slots (2) on, multiple rotor slots (2) along the punching body (1) circumferentially, it is each described to turn
Pilot trench (2) is collectively formed simultaneously by the first trough rim (3), the second trough rim (6), the 3rd trough rim (4) and the 4th trough rim (5) being sequentially connected
Formed along the punching body (1) tapered shape from outside to inside,
Wherein, first trough rim (3) is set close to the outer rim of the punching body (1), and first trough rim (3) arrives the punching
The maximum of the radial direction spacing of the outer rim of piece body (1) is W1, minimum value W2, and meets 0≤W1-W2≤30%W2.
2. rotor punching according to claim 1, it is characterised in that the thickness of the punching body (1) is t, wherein：t
Span be 0.4mm-0.6mm；And/or 0.2t≤W2≤t.
3. rotor punching according to claim 1, it is characterised in that Q described turn is provided with the punching body (1)
Pilot trench (2), 26≤Q≤34.
4. rotor punching according to claim 3, it is characterised in that the adjacent rotor slot (2) it is adjacent to each other
Two trough rims are parallel to each other.
5. rotor punching according to claim 4, it is characterised in that parallel two of the adjacent rotor slot (2)
Spacing between the trough rim is L, and the external diameter of the punching body (1) is D, and meets the π D/ of 7 π D/ (20Q)≤L≤10
(20Q)。
6. according to the rotor punching described in any one in claim 1-5, it is characterised in that first trough rim (3) is straight
Line segment；Or the circular arc that first trough rim (3) is the circle concentric with the punching body (1).
7. rotor punching according to claim 6, it is characterised in that second trough rim (6) and the 4th trough rim (5)
It is symmetrical by the straight line at the first trough rim (3) midpoint on the radial direction along the punching body (1).
8. rotor punching according to claim 7, it is characterised in that second trough rim (6) and the 4th trough rim (5)
For straight side and first trough rim (3), second trough rim (6), the 3rd trough rim (4) and the 4th trough rim (5)
Joint is round-corner transition.
9. a kind of rotor, it is characterised in that the rotor includes rotor core, and the rotor core in claim 1-8 by appointing
Rotor punching alignment die casting described in meaning one is formed.
10. a kind of motor, it is characterised in that the motor includes the rotor described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787557.3U CN206834864U (en) | 2017-06-29 | 2017-06-29 | Rotor punching, rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787557.3U CN206834864U (en) | 2017-06-29 | 2017-06-29 | Rotor punching, rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834864U true CN206834864U (en) | 2018-01-02 |
Family
ID=60778468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720787557.3U Active CN206834864U (en) | 2017-06-29 | 2017-06-29 | Rotor punching, rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206834864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462266A (en) * | 2018-05-16 | 2018-08-28 | 江苏洛克电气集团有限公司 | The rotor of freezer compressor |
-
2017
- 2017-06-29 CN CN201720787557.3U patent/CN206834864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462266A (en) * | 2018-05-16 | 2018-08-28 | 江苏洛克电气集团有限公司 | The rotor of freezer compressor |
| CN108462266B (en) * | 2018-05-16 | 2020-06-12 | 江苏洛克电气集团有限公司 | Motor rotor of refrigerator compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101842967B (en) | Rotator for induction electric motor, induction electric motor, compressor, blower, and air-conditioning device | |
| CN204928389U (en) | Compact stator core | |
| JP2012085477A (en) | Rotary electric machine | |
| WO2015158256A1 (en) | Efficient motor stator made of oriented silicon steel sheets | |
| CN206834864U (en) | Rotor punching, rotor and motor | |
| WO2019024171A1 (en) | Improved motor rotor lamination and stator lamination | |
| CN204517526U (en) | Rotor punching, motor and compressor | |
| CN205791824U (en) | The stator vent segment of front wind-guide | |
| CN204465162U (en) | Stator punching | |
| CN204168021U (en) | A kind of rotor core being convenient to manufacture | |
| CN209545273U (en) | A kind of motor cooling in stator shaft orientation channel | |
| CN204046285U (en) | A kind of magneto split stator | |
| CN111864929A (en) | Combined stator core, motor, compressor and air conditioner | |
| CN209488287U (en) | The cast-aluminum rotor and rubber machine motor of rubber machine motor | |
| CN204012969U (en) | A kind of plug-in type vent segment structure | |
| CN208581094U (en) | Air-conditioning, compressor and the motor for rotary compressor | |
| CN101902085A (en) | Novel motor stator line embedding groove and detachable arc-shaped groove sealing piece | |
| CN208353092U (en) | A kind of rotor punching, rotor core and motor | |
| CN110350684B (en) | Coiled small notch stator core and manufacturing method thereof | |
| CN221103070U (en) | Stator punching sheet, motor and refrigerator compressor capable of improving material utilization rate | |
| CN101924442B (en) | Permanent magnet synchronous motor with damping slot on rotor | |
| CN205544665U (en) | Rotor sheet | |
| CN211701637U (en) | Stator for ceiling fan motor | |
| CN212412861U (en) | Combined stator core, motor, compressor and air conditioner | |
| CN212304907U (en) | Combined stator core, motor, compressor and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |