CN208316441U - A kind of permanent magnet synchronous servo motor rotor structure - Google Patents
A kind of permanent magnet synchronous servo motor rotor structure Download PDFInfo
- Publication number
- CN208316441U CN208316441U CN201820972288.2U CN201820972288U CN208316441U CN 208316441 U CN208316441 U CN 208316441U CN 201820972288 U CN201820972288 U CN 201820972288U CN 208316441 U CN208316441 U CN 208316441U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- end ring
- core body
- thermovent
- servo motor
- 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.)
- Expired - Fee Related
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 25
- 239000010949 copper Substances 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of permanent magnet synchronous servo motor rotor structures, including core body and armature spindle, copper conducting bar is provided in the core body, the copper conducting bar is by stainless steel band lock ring in core body, the core body both ends are provided with rotor end ring, annular groove is provided on rotor end ring, end ring slot and circular through hole, the end ring slot and copper conducting bar are adapted, the core body end is provided with axis hole, permanent magnet trough, thermovent and magnetic bridge, armature spindle is inserted in the axis hole, the armature spindle and circular through hole interference fit, four pieces of permanent magnets are provided in the permanent magnet trough, the magnetic bridge is located at permanent magnet trough both ends, the thermovent inner wall is provided with radiating ribs, the axis hole, permanent magnet trough, thermovent and magnetic bridge are respectively positioned on inside annular groove.The utility model includes three pieces copper end ring and three pieces steel end ring by rotor end ring, and copper end ring and the setting of steel end ring interaction cascading, the stress of reduction core body at high speeds are concentrated.
Description
Technical field
The utility model relates to motor rotor construction field, specifically a kind of permanent magnet synchronous servo motor rotor structure.
Background technique
Permanent magnet synchronous servo motor is widely used in every field, existing permanent magnet synchronous servo motor rotor structure
There is many defects, such as rotor heat dissipation effect are poor, demagnetization situation is serious, and anti-demagnetization capability is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of permanent magnet synchronous servo motor rotor structures, to solve in the prior art
Anti- demagnetization capability is poor and heat dissipation effect poor.
To achieve the above object, the utility model provides the following technical solutions: a kind of permanent magnet synchronous servo motor rotor knot
Structure, including core body and armature spindle, copper conducting bar is provided in the core body, and the copper conducting bar passes through stainless steel band lock ring
In core body, the core body both ends are provided with rotor end ring, and annular groove, end ring slot and circle are provided on rotor end ring
Shape through-hole, the end ring slot and copper conducting bar be adapted, the core body end be provided with axis hole, permanent magnet trough, thermovent and
Magnetic bridge is inserted with armature spindle, the armature spindle and circular through hole interference fit in the axis hole, is all provided in the permanent magnet trough
Four pieces of permanent magnets are equipped with, the magnetic bridge is located at permanent magnet trough both ends, and the thermovent inner wall is provided with radiating ribs, the axis
Hole, permanent magnet trough, thermovent and magnetic bridge are respectively positioned on inside annular groove.
Preferably, rotor end ring includes three pieces copper end ring and three pieces steel end ring, the copper end ring and steel end ring interaction cascading
Setting.
Preferably, the magnetic bridge is rectangle, and the width of the magnetic bridge is 1.5 times of permanent magnet trough end portion width.
Preferably, the radiating ribs are uniformly arranged on thermovent inner wall, and the length of the radiating ribs is in thermovent
The half of diameter.
Preferably, the permanent magnet trough is in V-shape, and the magnetic property of four permanent magnets is different, the permanent magnet distance
The remoter magnetic property of armature spindle is smaller.
Compared with prior art, the utility model has the beneficial effects that the utility model includes three pieces by rotor end ring
Copper end ring and three pieces steel end ring, copper end ring and the setting of steel end ring interaction cascading, reduce stress of the core body under high-speed rotation
It concentrates, is rectangle by magnetic bridge, the width of magnetic bridge is 1.5 times of permanent magnet trough end portion width, can be good at improving
The anti-demagnetization capability of motor is uniformly arranged on thermovent inner wall by radiating ribs, and the length of radiating ribs is in thermovent
The half of diameter improves the heat dissipation effect of core body well, is in V-shape, the magnetism of four permanent magnets by permanent magnet trough
Can be different, permanent magnet is smaller apart from the remoter magnetic property of armature spindle, increases the weak magnetic range of motor, increases motor convex grey subset.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the core body structural schematic diagram of the utility model.
Fig. 3 is the copper end ring structure schematic diagram of the utility model.
In figure: 1, core body；2, stainless steel band；3, copper conducting bar；4, copper end ring；5, steel end ring；6, armature spindle；7, axis
Hole；8, radiating ribs；9, thermovent；10, permanent magnet trough；11, permanent magnet；12, magnetic bridge；13, end ring slot；14, annular groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of permanent magnet synchronous servo motor rotor structure, including iron core
Ontology 1 and armature spindle 6 are provided with copper conducting bar 3 in core body 1, and copper conducting bar 3 is by 2 lock ring of stainless steel band in core body 1
On, 1 both ends of core body are provided with rotor end ring, and rotor end ring includes three pieces copper end ring 4 and three pieces steel end ring 5,4 He of copper end ring
5 interaction cascading of steel end ring is arranged, and is provided with annular groove 14, end ring slot 13 and circular through hole 15,13 He of end ring slot on rotor end ring
Copper conducting bar 3 is adapted, and 1 end of core body is provided with axis hole 7, permanent magnet trough 10, thermovent 9 and magnetic bridge 12,7 interpolation of axis hole
Equipped with armature spindle 6, armature spindle 6 and circular through hole 15 are interference fitted, and are provided with four pieces of permanent magnets 11, permanent magnetism in permanent magnet trough 10
Body slot 10 is in V-shape, and the magnetic property of four permanent magnets 11 is different, and permanent magnet 11 is smaller apart from the remoter magnetic property of armature spindle 6, every magnetic
Bridge 12 is located at 10 both ends of permanent magnet trough, and magnetic bridge 12 is rectangle, and the width of magnetic bridge 12 is 10 end portion width of permanent magnet trough
1.5 times, 9 inner wall of thermovent is provided with radiating ribs 8, and radiating ribs 8 are uniformly arranged on 9 inner wall of thermovent, the length of radiating ribs 8
For the half of 9 internal diameter of thermovent, axis hole 7, permanent magnet trough 10, thermovent 9 and magnetic bridge 12 are respectively positioned on inside annular groove 14, are used
When, rotor end ring can be good at reducing stress concentration of the core body 1 under high-speed rotation, and magnetic bridge 12 can be good at mentioning
The magnetic property of the anti-demagnetization capability of high motor, four permanent magnets 11 is different, permanent magnet 11 apart from the remoter magnetic property of armature spindle 6 more
It is small, it increases the weak magnetic range of motor, increase the purpose of motor convex grey subset, thermovent 9 and radiating ribs 8 cooperate, can be good at
Improve the radiating efficiency of core body 1.
The working principle of the utility model is: in use, rotor end ring can be good at reducing core body 1 in high speed turn
Stress under dynamic is concentrated, and magnetic bridge 12 can be good at improving the anti-demagnetization capability of motor, the magnetic property of four permanent magnets 11
Difference, permanent magnet 11 is smaller apart from the remoter magnetic property of armature spindle 6, increases the weak magnetic range of motor, increases motor convex grey subset,
Thermovent 9 and radiating ribs 8 cooperate, and can be good at the radiating efficiency for improving core body 1.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of permanent magnet synchronous servo motor rotor structure, including core body (1) and armature spindle (6), it is characterised in that: described
It being provided in core body (1) copper conducting bar (3), the copper conducting bar (3) passes through stainless steel band (2) lock ring on core body (1),
Core body (1) both ends are provided with rotor end ring, and annular groove (14), end ring slot (13) and circle are provided on rotor end ring
Through-hole (15), the end ring slot (13) and copper conducting bar (3) are adapted, and core body (1) end is provided with axis hole (7), forever
Magnet slot (10), thermovent (9) and magnetic bridge (12) are inserted with armature spindle (6) in the axis hole (7), the armature spindle (6) and
Circular through hole (15) interference fit, the permanent magnet trough (10) is interior to be provided with four pieces of permanent magnets (11), the magnetic bridge (12)
Positioned at permanent magnet trough (10) both ends, thermovent (9) inner wall is provided with radiating ribs (8), the axis hole (7), permanent magnet trough
(10), it is internal to be respectively positioned on annular groove (14) for thermovent (9) and magnetic bridge (12).
2. a kind of permanent magnet synchronous servo motor rotor structure according to claim 1, it is characterised in that: rotor end ring includes
Three pieces copper end ring (4) and three pieces steel end ring (5), the copper end ring (4) and the setting of steel end ring (5) interaction cascading.
3. a kind of permanent magnet synchronous servo motor rotor structure according to claim 1, it is characterised in that: the magnetic bridge
(12) it is rectangle, the width of the magnetic bridge (12) is 1.5 times of permanent magnet trough (10) end portion width.
4. a kind of permanent magnet synchronous servo motor rotor structure according to claim 1, it is characterised in that: the radiating ribs
(8) uniform to be arranged on thermovent (9) inner wall, the length of the radiating ribs (8) is the half of thermovent (9) internal diameter.
5. a kind of permanent magnet synchronous servo motor rotor structure according to claim 1, it is characterised in that: the permanent magnet trough
It (10) is in V-shape, the magnetic property of four permanent magnets (11) is different, and the permanent magnet (11) is apart from the remoter magnetic of armature spindle (6)
Performance is smaller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820972288.2U CN208316441U (en) | 2018-06-23 | 2018-06-23 | A kind of permanent magnet synchronous servo motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820972288.2U CN208316441U (en) | 2018-06-23 | 2018-06-23 | A kind of permanent magnet synchronous servo motor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208316441U true CN208316441U (en) | 2019-01-01 |
Family
ID=64708827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820972288.2U Expired - Fee Related CN208316441U (en) | 2018-06-23 | 2018-06-23 | A kind of permanent magnet synchronous servo motor rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208316441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410932A (en) * | 2021-06-28 | 2021-09-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Punching sheet assembly, rotor assembly and motor |
-
2018
- 2018-06-23 CN CN201820972288.2U patent/CN208316441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410932A (en) * | 2021-06-28 | 2021-09-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Punching sheet assembly, rotor assembly and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220107 Address after: 266300 Jiaobei sub district office, Jiaozhou City, Qingdao City, Shandong Province Patentee after: Qingdao Anji snow Robot Automation Co.,Ltd. Address before: 266300 north of national highway 204, Lijiahe village, Jiulong sub district office, Jiaozhou City, Qingdao City, Shandong Province Patentee before: QINGDAO HONGWANGDA INDUSTRY AND TRADE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |