CN108768012A - A kind of squirrel-cage motor rotator and preparation method thereof - Google Patents
A kind of squirrel-cage motor rotator and preparation method thereof Download PDFInfo
- Publication number
- CN108768012A CN108768012A CN201810606602.XA CN201810606602A CN108768012A CN 108768012 A CN108768012 A CN 108768012A CN 201810606602 A CN201810606602 A CN 201810606602A CN 108768012 A CN108768012 A CN 108768012A
- Authority
- CN
- China
- Prior art keywords
- conducting bar
- hole
- rotor core
- conducting
- squirrel
- 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.)
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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
-
- 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
- H02K15/0012—Manufacturing cage rotors
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/02—Windings characterised by the conductor material
Abstract
A kind of squirrel-cage motor rotator provided by the invention, it includes predetermined quantity conducting bar, a pair of conductive end ring and a rotor core, the rotor core is hollow cylinder, region between the cylinder inner circle and outer circle is provided with conducting bar through-hole, the conducting bar through-hole runs through the both ends of the rotor core, annular is evenly distributed on the rotor core conducting bar through-hole at a certain distance, the conducting bar through-hole is used to place the conducting bar of the predetermined quantity, the rotor core both ends are respectively equipped with conducting end-ring, the conducting bar is copper silicon conducting bar, and composition quality ratio is：Silicon 1.8%~2%, surplus are copper and inevitable impurity；The copper silicon conducting bar has higher detent torque and overload capacity, welding performance is excellent, and failure rate is low, can almost realize the failure-free operation of the squirrel-cage motor rotator since its material property leads to stable conductivity；The present invention also provides a kind of preparation methods of squirrel-cage motor rotator, and the preparation method is easy to operate, reliable in quality, and cost controllability is high.
Description
Technical field
The present invention relates to a kind of rotor more particularly to a kind of squirrel-cage motor rotators.
Background technology
In the manufacturing of daily AC induction motor, such mouse cage is typically to be formed by aluminium die casting, and aluminium, which has, preferably leads
Electric rate and lower fusing point (660 DEG C) and preferably mobility processing easy to produce, the also advantageous (commercial-purity aluminium of material cost
15000 yuan/T), therefore cast-aluminum rotor becomes the mainstream of induction electromotor rotor manufacture, but also have its disadvantage：Efficiency is low, torque is low,
Aluminium resistivity following temperature rising change greatly, relative power factor and it is relatively low.
Copper rotor can overcome aluminum rotor performance and the low weakness of efficiency very well, but the copper method for manufacturing rotor of tradition
There are directly note copper method, the operation of red copper fusing point (1083 DEG C) high temperature difficulty, the strange height of die casting quality difficult to control, cost, batch production tired
Difficulty, other use the rotor of the material manufactures such as HPb59-1, HSnb2-1, QA19-4, and pricker unstable there are conductivity performance
Phenomena such as welding poor performance, easily getting rusty, is unstable.
For disadvantages mentioned above, need to improve rotor and preparation method thereof with improve rotor performance and control at
This.
Invention content
Present invention aims at provide a kind of squirrel-cage motor rotator, the rotor performance and efficient, moderate cost, welding
Have excellent performance, failure rate it is low, rotor failure-free operation almost may be implemented.
The present invention also provides a kind of preparation methods of squirrel-cage motor rotator, and the preparation method is easy to operate, reliable in quality,
Cost controllability is high.
A kind of squirrel-cage motor rotator provided by the invention comprising predetermined quantity conducting bar, a pair of conductive end ring and one turn
Sub- core, the rotor core are hollow cylinder, and the region between the cylinder inner circle and outer circle is provided with conducting bar through-hole, described
Conducting bar through-hole runs through the both ends of the rotor core, and annular is evenly distributed on the rotor core to the conducting bar through-hole at a certain distance
On, the conducting bar through-hole is used to place the conducting bar of the predetermined quantity, and the rotor core both ends are respectively equipped with conducting end-ring, described
Conducting bar is copper silicon conducting bar, and composition quality ratio is：Silicon 1.8%~2%, surplus are copper and inevitable impurity；The copper silicon
Conducting bar has higher detent torque and overload capacity since its material property leads to stable conductivity, and welding performance is excellent,
Failure rate is low, can almost realize the failure-free operation of the squirrel-cage motor rotator.
Preferably, the copper silicon conducting bar cross-sectional area is adapted with the conducting bar through-hole cross-sectional area.
Preferably, the conducting end-ring is formed by copper plate punch process, and the conducting end-ring is equipped with logical with the conducting bar
Rotor hole hole identical quantity and matched, the copper plate have good mechanical performance, hot lower plasticity good, anti-corrosion, easy
It is brazed and cheap, is somebody's turn to do the conducting end-ring made of copper plate and declines the case where ensureing rotor operation performance and service life
Low cost.
Preferably, the rotor core is suppressed by silicon steel sheet, and the silicone content of the silicon steel sheet is 0.5%~4.5%, institute
It states rotor core and steel disc can be improved in silicon resistivity and maximum permeability is added, reduce coercivity, core loss and magnetic aging, to
It promotes the performance of the rotor and extends the service life.
The present invention also provides a kind of preparation methods of squirrel-cage motor rotator comprising following steps：Step 1：There is provided one
The copper silicon conducting bar of squirrel-cage motor rotator core, a pair of conductive end ring and predetermined quantity, wherein the rotor core is hollow cylinder
Body, the region between the cylinder inner circle and outer circle are provided with conducting bar through-hole, and the conducting bar through-hole runs through the two of the rotor core
End, annular is evenly distributed on the rotor core conducting bar through-hole at a certain distance, and the conducting end-ring is equipped with and is led with described
The rotor hole through-hole identical quantity and matched；The copper silicon conducting bar is inserted into the conducting bar through-hole directly by step 2 respectively
It is inserted with copper silicon conducting bar to the conducting bar through-hole；Step 3：The conducting end-ring is respectively pressed into and has been plugged the copper silicon and leads
The both ends of the rotor core of item and compression, wherein rotor hole of the copper silicon conducting bar on the conducting end-ring；Step 4：Make
Conducting end-ring described in the copper silicon conducting bar and both ends is welded with soldering processes solder.
Preferably, soldering processes solder argentiferous 15%~25%；The soldering processes and argentiferous 15%~25%
Solder can guarantee the good welds and conductivity stabilization of the copper silicon conducting bar and the conducting end-ring in the case of be greatly reduced
Material cost.
A kind of squirrel-cage motor rotator provided by the invention and preparation method thereof, the squirrel-cage motor rotator is due to its copper silicon
The characteristic of conducting bar cause the rotor have it is good it is efficient, torque is high, power is high, resistivity is stable and failure rate is low, substitute
Cast-aluminum rotor realizes the characteristics of fault-free, Effec-tive Function, and the preparation method of the novel mouse cage rotor forms the copper silicon
The independent manufacture and assembling of conducting bar and the rotor core, the soldering processes use the solder of argentiferous 15%~25%, solve
Of high cost, operation difficulty caused by the copper rotor of tradition directly note copper manufacturing method greatly, the problem of being difficult to produce in batches.
Description of the drawings
Fig. 1 is the squirrel-cage motor rotator structural schematic diagram that first embodiment of the invention provides；
Fig. 2 is the copper silicon conducting bar and rotor core combining structure schematic diagram that first embodiment of the invention provides；
Fig. 3 is the copper silicon conducting bar structural schematic diagram that first embodiment of the invention provides；
Fig. 4 is the conducting end-ring structural schematic diagram that first embodiment of the invention provides.
Specific implementation mode
The embodiments described below are only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Refering to fig. 1, a kind of squirrel-cage motor rotator that first embodiment of the invention provides comprising copper silicon conducting bar 2, two is led
Electric end ring 3 and a rotor core 1, the rotor core 1 are hollow cylinder, the region setting between the cylinder inner circle and outer circle
There are conducting bar through-hole 12,12 its cross section of the conducting bar through-hole to be not limited to shape, preferably irregular shape, such as pear shape, this reality
It is pear shape to apply conducting bar through-hole 12 in example, assembly can be made more to fasten；The conducting bar through-hole 12 runs through the two of the rotor core 1
End, annular is evenly distributed on the rotor core 1 the conducting bar through-hole 12 at a certain distance, and the conducting bar through-hole 12 is for placing
The copper silicon conducting bar 2,1 both ends of the rotor core are respectively equipped with conducting end-ring 3, and 2 composition quality ratio of the copper silicon conducting bar is：Silicon
1.8%~2%, surplus is copper and inevitable impurity；2 cross-sectional area of copper silicon conducting bar and shape and the conducting bar through-hole
12 cross-sectional areas and shape are adapted, and 2 cross section of copper silicon conducting bar is pear shape in embodiment；The copper silicon conducting bar 2 is due to its material
Material characteristic leads to stable conductivity, has higher detent torque and overload capacity, welding performance is excellent, and failure rate is low, several
The failure-free operation of the squirrel-cage motor rotator can be achieved；The conducting end-ring 3 is formed using copper plate punch process, institute
It states conducting end-ring 3 and is equipped with the rotor hole 31 that matches of quantity identical as the conducting bar through-hole 12 and shape, rotor in the present embodiment
Hole is pear shape, and the copper plate has a good mechanical performance, good, anti-corrosion, the easy soldering of hot lower plasticity and cheap, should
Conducting end-ring 3 is made ensureing that rotor operation performance and service life in the case of reduce cost by copper plate；The rotor core 1
It is suppressed by silicon steel sheet 11, the silicone content of the silicon steel sheet 11 is 0.5%~4.5%, and the rotor core 1 is added silicon and can be improved
The resistivity and maximum permeability of steel disc reduce coercivity, core loss and magnetic aging, to promote the performance of the rotor and prolong
Long-life.
The preparation method of provided by the invention kind of squirrel-cage motor rotator is used to prepare the squirrel cage motor and turns
Son includes the following steps：Step 1：The silicon of one squirrel-cage motor rotator core 1, a pair of conductive end ring 3 and a predetermined quantity is provided
The outer surface of copper conducting bar 2, wherein the squirrel-cage motor rotator core 1 is provided with a circle conducting bar through-hole 12, and the conducting bar through-hole 12 is not
It is limited to shape, preferably irregular shape, such as pear shape, conducting bar through-hole 12 is pear shape, the conducting end-ring 3 in the present embodiment
The rotor hole 31 to match equipped with quantity identical as the conducting bar through-hole 12 and shape；Step 2：The copper silicon conducting bar 2 is distinguished
Be inserted into the conducting bar through-hole 12 until the conducting bar through-hole 12 is inserted with copper silicon conducting bar 2, the step by the copper silicon conducting bar 2 and
1 preparative separation of the rotor core forms the independent manufacture and assembling of the copper silicon conducting bar 2 and the rotor core 1, compares traditional
Copper method is directly noted, it can more effective control cost；Step 3：The conducting end-ring 3 is respectively pressed into and has been plugged the silicon
The both ends of the rotor core 1 of copper conducting bar 2 and compression, wherein rotor hole of the copper silicon conducting bar 2 on the conducting end-ring 3
31；Step 4：Using the solder of soldering processes argentiferous 15%~25% by conducting end-ring described in the copper silicon conducting bar 2 and both ends
3 welding, the soldering processes and 15%~25% solder of argentiferous can guarantee the good of the copper silicon conducting bar 2 and the conducting end-ring 3
Material cost is greatly reduced in the case of good welding and conductivity stabilization.
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, therefore according to equivalent variations made by scope of the present invention patent, be still within the scope of the present invention.
Claims (6)
1. a kind of squirrel-cage motor rotator comprising conducting bar, a pair of conductive end ring and a rotor core for predetermined quantity, the rotor
Core is hollow cylinder, and the region between the cylinder inner circle and outer circle is provided with conducting bar through-hole, and the conducting bar through-hole runs through
The both ends of the rotor core, annular is evenly distributed on the rotor core conducting bar through-hole at a certain distance, the pair of to lead
Electric end ring is separately positioned on the rotor core both ends, which is characterized in that the conducting bar is copper silicon conducting bar, and composition quality ratio is：
Silicon 1.8%~2%, surplus are copper and inevitable impurity.
2. squirrel-cage motor rotator as described in claim 1, which is characterized in that the copper silicon conducting bar cross-sectional area is led with described
Through-hole cross-sectional area is adapted.
3. squirrel-cage motor rotator as described in claim 1, which is characterized in that the conducting end-ring is by copper plate punch process
It forms, the rotor hole that the conducting end-ring is equipped with quantity identical as the conducting bar through-hole and matches.
4. squirrel-cage motor rotator as described in claim 1, which is characterized in that the rotor core is suppressed by silicon steel sheet,
The silicone content of the silicon steel sheet is 0.5%~4.5%.
5. a kind of preparation method of squirrel-cage motor rotator, which is characterized in that include the following steps：
Step 1：The copper silicon conducting bar of a squirrel-cage motor rotator core, a pair of conductive end ring and predetermined quantity is provided, wherein described turn
Sub- core is hollow cylinder, and the region between the cylinder inner circle and outer circle is provided with conducting bar through-hole, and the conducting bar through-hole passes through
The both ends of the rotor core are worn, annular is evenly distributed on the rotor core conducting bar through-hole at a certain distance, the conduction
The rotor hole that end ring is equipped with quantity identical as the conducting bar through-hole and matches；
The copper silicon conducting bar is inserted into the conducting bar through-hole and is led until the conducting bar through-hole is inserted with copper silicon by step 2 respectively
Item；
Step 3：The conducting end-ring is respectively pressed into the both ends for the rotor core for being plugged the copper silicon conducting bar and compression,
Rotor hole of the wherein described copper silicon conducting bar on the conducting end-ring；And
Step 4：Conducting end-ring described in the copper silicon conducting bar and both ends is welded using soldering processes solder.
6. the preparation method of squirrel-cage motor rotor as claimed in claim 5, it is characterised in that the soldering processes are contained with solder
Silver 15%~25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606602.XA CN108768012A (en) | 2018-06-13 | 2018-06-13 | A kind of squirrel-cage motor rotator and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606602.XA CN108768012A (en) | 2018-06-13 | 2018-06-13 | A kind of squirrel-cage motor rotator and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108768012A true CN108768012A (en) | 2018-11-06 |
Family
ID=64021533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810606602.XA Pending CN108768012A (en) | 2018-06-13 | 2018-06-13 | A kind of squirrel-cage motor rotator and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108768012A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684435A (en) * | 2011-03-11 | 2012-09-19 | 发那科株式会社 | Squirrel-cage rotor of induction motor and production method thereof wherein end ring is brazed with bar |
| CN103023251A (en) * | 2011-09-27 | 2013-04-03 | 高力热处理工业股份有限公司 | Copper rotor |
| CN104300706A (en) * | 2013-07-16 | 2015-01-21 | 上海电气集团上海电机厂有限公司 | Squirrel cage type motor rotor |
| CN104300714A (en) * | 2013-07-16 | 2015-01-21 | 上海电气集团上海电机厂有限公司 | Novel squirrel-cage motor rotor conducting bar and manufacturing method thereof |
| CN105896777A (en) * | 2016-06-29 | 2016-08-24 | 成都中车电机有限公司 | Cage rotor assembly structure and method |
-
2018
- 2018-06-13 CN CN201810606602.XA patent/CN108768012A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684435A (en) * | 2011-03-11 | 2012-09-19 | 发那科株式会社 | Squirrel-cage rotor of induction motor and production method thereof wherein end ring is brazed with bar |
| CN103023251A (en) * | 2011-09-27 | 2013-04-03 | 高力热处理工业股份有限公司 | Copper rotor |
| CN104300706A (en) * | 2013-07-16 | 2015-01-21 | 上海电气集团上海电机厂有限公司 | Squirrel cage type motor rotor |
| CN104300714A (en) * | 2013-07-16 | 2015-01-21 | 上海电气集团上海电机厂有限公司 | Novel squirrel-cage motor rotor conducting bar and manufacturing method thereof |
| CN105896777A (en) * | 2016-06-29 | 2016-08-24 | 成都中车电机有限公司 | Cage rotor assembly structure and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181106 |