CN208908387U - Rotor and magneto - Google Patents
Rotor and magneto Download PDFInfo
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- CN208908387U CN208908387U CN201821588158.5U CN201821588158U CN208908387U CN 208908387 U CN208908387 U CN 208908387U CN 201821588158 U CN201821588158 U CN 201821588158U CN 208908387 U CN208908387 U CN 208908387U
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- rotor
- iron core
- punching
- bolt
- fixed
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Abstract
The utility model provides a kind of rotor and magneto, the rotor includes rotor core and magnet steel, and there is magnetic slot on the rotor core, the magnet steel is plugged in the magnetic slot, the rotor core includes fixing piece and multiple iron core blocks, and the multiple iron core block is fixed as annular by the fixing piece；Each iron core block includes bolt and multiple punchings, has first through hole in each punching, and the multiple punching is stacked along the axial direction of rotor core and passes through the bolt and is fixed together, the bolt is each passed through the first through hole of the multiple punching.Multiple punchings are stacked to fix by the utility model by bolt forms iron core block, and by fixing piece, by multiple iron core blocks, mutually fixation forms rotor, can significantly improve the utilization rate of punching material.
Description
Technical field
The utility model relates to motor fields, more specifically to a kind of rotor and magneto.
Background technique
Magneto has many advantages, such as that high-efficient, power density is high, has been widely used in industry, aerospace, friendship at present
The fields such as logical traction, household.With being constantly progressive for technology and equipment, motor manufacturing the degree of automation is increasingly
It is high.In conjunction with advanced process for machining and manufacturing, structure design is improved, manufacture efficiency can be effectively improved, reduces manufacturing cost.
As shown in Figure 1, existing permanent magnet motor stator iron core 11 generallys use full circle punching or piece lamination structure, rotor iron
Core 12 then generally uses full circle lamination structure.However, when stator core 11 is using full circle lamination structure, stock utilization is low, simultaneously
And winding inserting low efficiency, cause manufacturing cost higher.
Rotor core 12 uses full circle punching, equally exists the low problem of stock utilization, and for tangential permanent magnetic
Rotor structure needs to keep the inner circle of rotor core 12 very thin (general 0.5-1mm), to be carried out by magnetic bridge 121,122 every magnetic.
If above-mentioned magnetic bridge 121,122 is too thin, intensity is low, is easily deformed；If magnetic bridge 121,122 is thicker, leakage field is larger.
In addition, also higher using the processing cost of the punching of above-mentioned magnetic shielding structure.
Utility model content
The technical problem to be solved by the present invention is to for above-mentioned magneto stock utilization is low, there are leakage fields
Big problem provides a kind of rotor and magneto.
The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of rotor, including rotor core
And magnet steel, and there is magnetic slot on the rotor core, the magnet steel is plugged in the magnetic slot, and the rotor core includes
Fixing piece and multiple iron core blocks, and the multiple iron core block is fixed as annular by the fixing piece；Each iron core block
Including bolt and multiple punchings, there is first through hole, and the multiple punching is along the axial direction of rotor core in each punching
It is stacked and passes through the bolt and be fixed together, the bolt is each passed through the first through hole of the multiple punching.
In rotor described in the utility model, the fixing piece includes fixed disk, is had in the fixed disk more
A second through-hole, and the multiple second through-hole is distributed on same circumference；Bolt in each iron core block is each passed through
One second through-hole, and the iron core block is fixed to the fixed disk.
In rotor described in the utility model, it is described solid that the both ends of the rotor core are respectively provided at least one
Price fixing, and the fixed disk is identical as the fixed section of multiple iron core blocks circularized.
In rotor described in the utility model, the quantity of the iron core block is identical as the quantity of the magnet steel.
In rotor described in the utility model, there is gap, and the magnet steel between the adjacent iron core block
Slot is made of the gap.
In rotor described in the utility model, the magnet steel is in the magnetic slot along the diameter of the rotor core
To setting.
In rotor described in the utility model, the inside of the punching has air groove, and the rotor core
It is carried out by the air groove every magnetic.
In rotor described in the utility model, the air groove is dovetail groove, and the multiple iron core block is fixed
To magnetism-isolating loop, and the periphery of the magnetism-isolating loop has multiple limiting sections, the shape and size of the limiting section and the air groove
Shape and size matching.
The utility model also provides a kind of magneto, including stator, and the magneto further includes electricity as described above
Machine rotor.
In magneto described in the utility model, the stator includes stator core, and the stator core is by more
A stator block is spliced.
The rotor and magneto of the utility model, which have the advantages that, is stacked multiple punchings by bolt
It is fixed to form iron core block, and by fixing piece, by multiple iron core blocks, mutually fixation forms rotor, can significantly improve the benefit of punching material
With rate.And the utility model is realized by air groove every magnetic also by being arranged air groove in punching, can reduce punching every
The leakage field of magnetic bridge.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing magneto；
Fig. 2 is rotor core magnetic shielding structure schematic diagram in existing magneto；
Fig. 3 is the schematic diagram of the utility model rotor embodiment；
Fig. 4 is the partial schematic diagram of rotor core embodiment in the utility model rotor；
Fig. 5 is the schematic diagram for being originally utility model magneto embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It as shown in Figure 3,4, is the schematic diagram of the utility model rotor embodiment, which can be applied to permanent magnetism
Motor, and realize torque output.The rotor of the present embodiment includes rotor core and magnet steel 4, is had on above-mentioned rotor core
Magnetic slot, magnet steel 4 are plugged in magnetic slot.Rotor core includes fixing piece and multiple iron core blocks, and multiple iron core blocks pass through
Fixing piece is fixed as annular.Above-mentioned each iron core block includes bolt 33 and multiple punchings 31, and has first in each punching 31
Through-hole 311.In each iron core block, multiple punchings 31 are stacked along the axial direction of rotor core and pass through bolt 33 and are fixed together,
And above-mentioned bolt 33 is each passed through the first through hole 311 of multiple punching 31.
Multiple punchings 31 are stacked to fix by above-mentioned rotor by bolt 33 forms iron core block, and will be more by fixing piece
Mutually fixation forms rotor to a iron core block, and can significantly improving the utilization rate of punching material, (relative to round punching, stock utilization is mentioned
High 10-15%), improve the assembly efficiency of magnet steel 4.Also, above-mentioned lamination structure is easier to process using multi-point mould mode, mentions
High punching processing efficiency.
Specifically, in above-mentioned rotor core, fixed disk is can be used in the fixing piece for fixing multiple iron core blocks.The fixed disk
Can be used it is discoid, and in fixed disk have multiple second through-holes, above-mentioned multiple second through-holes are distributed in same in fixed disk
On circumference.For above-mentioned fixed disk in the multiple iron core blocks of fixation, the bolt 33 in each iron core block is each passed through second through-hole,
And iron core block is fixed to fixed disk.Since multiple second through-holes are distributed on same circumference in fixed disk, multiple iron
Pellet constitutes annular.
Particularly, the both ends of above-mentioned rotor core are respectively provided at least one fixed disk.In addition, to further increase rotor
The intensity of iron core improves the bond strength of each iron core block, can increase fixed disk between two ends of rotor core.And
And the shape and size of above-mentioned fixed disk can be identical as multiple sections of multiple iron core blocks for being spliced into annular, i.e. part punching
Using tile configuration, part punching uses circular configuration.
In above-mentioned rotor, the quantity of iron core block can be identical as the quantity of magnet steel 4, and punching 31 is sector.Correspondingly,
There is gap between adjacent iron core block, and magnetic slot is made of above-mentioned gap, i.e., magnet steel 4 be mounted on adjacent iron core block it
Between.With this configuration, without in addition processing magnetic slot in punching, production technology is simplified.
Particularly, above-mentioned magnet steel 4 being arranged radially along rotor core in the magnetic slot, i.e. electronics rotor are tangential
Rotor, the leakage field of rotor when can significantly improve tangential.
In addition, the inside of above-mentioned punching 31 can increase air groove 312, and rotor core passes through above-mentioned sky to reduce magnetic leakage
Air drain 312 is carried out every magnetic.It is not necessarily to magnetic bridge, it is natural every magnetic by air groove 312, reduce permanent magnetism leakage field.
Particularly, above-mentioned air groove 312 can be used dovetail groove, and rotor core further includes magnetism-isolating loop, and above-mentioned magnetism-isolating loop
Periphery has limiting section, and the shape and size in the section of the limiting section are matched with the shape and size of air groove 312, thus each
Iron core block can also be fixed to magnetism-isolating loop by air groove, improve fixing intensity.
As shown in figure 5, the utility model also provides a kind of magneto, which includes stator and as described above
Rotor.
Particularly, the stator in above-mentioned magneto includes stator core, and stator core is spliced by multiple stator blocks 51
It forms.Said stator core structure be remarkably improved stator core processing, winding inserting assembly efficiency, be effectively reduced motor at
This, reduces energy consumption and waste.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (10)
1. a kind of rotor, including rotor core and magnet steel, and there is magnetic slot, the magnet steel grafting on the rotor core
In in the magnetic slot, which is characterized in that the rotor core includes fixing piece and multiple iron core blocks, and the multiple iron core
Block is fixed as annular by the fixing piece；Each iron core block includes bolt and multiple punchings, is had in each punching
There is first through hole, and the multiple punching is stacked along the axial direction of rotor core and passes through the bolt and is fixed together, the spiral shell
Bolt is each passed through the first through hole of the multiple punching.
2. rotor according to claim 1, which is characterized in that the fixing piece includes fixed disk, the fixed disk
It is upper that there are multiple second through-holes, and the multiple second through-hole is distributed on same circumference；Bolt in each iron core block
It is each passed through second through-hole, and the iron core block is fixed to the fixed disk.
3. rotor according to claim 2, which is characterized in that the both ends of the rotor core are respectively provided at least one
A fixed disk, and the fixed disk is identical as the fixed section of multiple iron core blocks circularized.
4. rotor according to claim 1, which is characterized in that the quantity of the iron core block and the quantity of the magnet steel
It is identical.
5. rotor according to claim 1, which is characterized in that there is gap between the adjacent iron core block, and
The magnetic slot is made of the gap.
6. rotor according to claim 1, which is characterized in that the magnet steel is in the magnetic slot along the rotor
Iron core is arranged radially.
7. rotor according to claim 1, which is characterized in that the inside of the punching has air groove, and described
Rotor core is carried out by the air groove every magnetic.
8. rotor according to claim 7, which is characterized in that the air groove is dovetail groove, and the multiple iron
Pellet is fixed to magnetism-isolating loop, and the periphery of the magnetism-isolating loop has multiple limiting sections, the shape and size of the limiting section and institute
State the shape and size matching of air groove.
9. a kind of magneto, including stator, which is characterized in that the magneto further includes as any in claim 1-8
Rotor described in.
10. magneto according to claim 9, which is characterized in that the stator includes stator core, and the stator
Iron core is spliced by multiple stator blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588158.5U CN208908387U (en) | 2018-09-28 | 2018-09-28 | Rotor and magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588158.5U CN208908387U (en) | 2018-09-28 | 2018-09-28 | Rotor and magneto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208908387U true CN208908387U (en) | 2019-05-28 |
Family
ID=66613871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821588158.5U Active CN208908387U (en) | 2018-09-28 | 2018-09-28 | Rotor and magneto |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208908387U (en) |
-
2018
- 2018-09-28 CN CN201821588158.5U patent/CN208908387U/en active Active
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