CN103023251A - Copper rotor - Google Patents
Copper rotor Download PDFInfo
- Publication number
- CN103023251A CN103023251A CN2011102957841A CN201110295784A CN103023251A CN 103023251 A CN103023251 A CN 103023251A CN 2011102957841 A CN2011102957841 A CN 2011102957841A CN 201110295784 A CN201110295784 A CN 201110295784A CN 103023251 A CN103023251 A CN 103023251A
- Authority
- CN
- China
- Prior art keywords
- copper
- silicon steel
- steel sheet
- sheet group
- rotor
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 239000010949 copper Substances 0.000 title claims abstract description 62
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 62
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 51
- 238000003466 welding Methods 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims description 8
- 150000001879 copper Chemical class 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 1
- 238000004512 die casting Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Abstract
The invention relates to a copper rotor. The copper rotor is provided with a silicon steel sheet group, two copper rings and a plurality of copper bars, wherein the silicon steel sheet group is clamped and fixed between the two copper rings, through holes are arranged in the centers of the surfaces of the copper rings, a plurality of through holes are annularly arranged in the peripheral edges of the surfaces of the copper rings at intervals, the silicon steel sheet group comprises a plurality of silicon steel sheets which are stacked, perforation holes are arranged in the centers of the surfaces of the silicon steel sheets, a plurality of holding holes are annularly arranged in the peripheral edges of the surfaces of the silicon steel sheets at intervals, the holding holes of the adjacent silicon steel sheets and the through holes of the copper rings are communicated, the copper bars respectively penetrate into the communicated holding holes of the plurality of silicon steel sheets, and two ends of the copper bars are respectively positioned in the through holes of the copper rings, so that clearances are formed between two ends of the copper bars and the through holes of the copper rings, and welding fluxes is welded in the clearances, so that the silicon steel sheet group and the copper bars are clamped between the two copper rings so as to achieve stable positioning and machine the outer diameters of the copper rings so as to form the copper rotor.
Description
Technical field
The present invention relates to a kind of rotor, espespecially can be widely used in the copper rotor structure that various sizes are made.
Background technology
Traditional motor rotor mostly is greatly aluminium casting rotor, because the fusing point of aluminium is lower, therefore be applicable to the die casting processing procedure, can produce in a large number, but be that fusing point is lower because of its characteristic also, therefore in press casting procedure, having more impurity and bubble exists, lowered conductibility, so namely there is relevant dealer to develop the casting in bronze rotor that replaces aluminium with copper, since the resistance of copper be about aluminium 2/3rds and have preferably conductibility and balance, therefore can effectively reduce ohmic loss, also iron loss significantly can be reduced via overall system design, therefore total losses can reduce 15-20%, can also reduce simultaneously the use amount of silicon steel sheet in stator and the rotor, allow motor weight also alleviate 5-10%, but copper casting rotor be higher because of the fusing point of copper, therefore at die casting sizable restriction is arranged, therefore can only use on the rotor of miniature motor at present, and production cost is higher, can't be widely used.
Be with, how effectively to allow copper apply on the rotor, and not limited by rotor size and die casting processing procedure, to reach the purpose of extensive utilization, to be the problem place of being engaged in the relevant improvement that the dealer desires most ardently of the industry.
Summary of the invention
Main purpose of the present invention is to be, make copper rotor not be subjected to die casting restriction and be applied to the motor of various sizes, and the use amount that reduces simultaneously silicon steel sheet improves the integral production amount to reduce manufacturing cost.
For achieving the above object, the technical solution used in the present invention is: a kind of copper rotor, this copper rotor is provided with silicon steel sheet group, two copper rings and plural copper bar, the silicon steel sheet group is comprised of the stacked institute of plural silicon steel sheet, each silicon steel sheet surface periphery ring-type is arranged at intervals with plural containing hole, and make the containing hole of adjacent silicon steel disc form UNICOM's shape, it is characterized in that:
Each copper bar has the location division, the both sides, location division are formed with weld part, and copper bar penetrates respectively in the containing hole of silicon steel sheet group, make position point in containing hole, and the weld part at two ends is exposed to respectively silicon steel sheet group both sides, and two copper rings are arranged at respectively silicon steel sheet group both sides, each copper ring is provided with plural number with respect to the perforation of containing hole, perforation runs through the upper and lower surface of copper ring, make the welding position of copper bar in perforation, and between perforation inwall and weld part outer rim, be filled with scolder, and with continuous oven copper rotor is heated again, scolder on average is heated and then firmly connects the weld part of copper bar and the perforation of copper ring.
Wherein: the external diameter of this copper ring makes the copper ring outer rim expose the periphery of silicon steel sheet group greater than the external diameter of silicon steel sheet group, and the copper ring that heats rear copper rotor is carried out external diameter processing, so that the external diameter of copper ring is equal to the external diameter of silicon steel sheet group.
Compared with prior art, the beneficial effect that has of the present invention is:
Since the present invention relies on the scolder weldering to be located at form between copper bar and copper ring perforation between gap, after making adjacent copper bar and the copper ring of both sides form firm the connection, again the external diameter of copper ring is processed in the mode of turning, to allow two formed external diameters of copper ring be equal to the external diameter of silicon steel sheet group, make it form copper rotor, therefore make the present invention by not limited by rotor size and die casting processing procedure, can be widely used in the making of various sizes rotor.
Moreover, because between the weld part at copper bar two ends and the perforation of copper ring, utilize the firm connection of scolder, therefore, when the external diameter to copper ring adds man-hour, scolder all keep being filled in fully form between the perforation of the weld part of copper bar and copper ring between in the gap, therefore make copper ring and copper bar can not be subjected to external diameter processing and the bad situations such as generation disengaging occur, can significantly promote qualification rate.
Description of drawings
Fig. 1 is sectional perspective exploded view of the present invention;
Fig. 2 is enforcement view of the present invention ();
Fig. 3 is enforcement view of the present invention (two);
Fig. 4 is partial cutaway schematic of the present invention;
Fig. 5 is the schematic diagram that the present invention heats in being arranged at heating furnace;
Fig. 6 is enforcement view of the present invention (three).
Description of reference numerals: 10-copper rotor; 1-silicon steel sheet group; The 11-silicon steel sheet; The 111-containing hole; The 2-copper ring; The 21-perforation; The 3-copper bar; The 31-location division; The 32-weld part; The 4-scolder; The 5-continuous oven.
Embodiment
See also Fig. 1 to shown in Figure 6, this copper rotor 10 is provided with silicon steel sheet group 1, two copper rings 2 and plural copper bar 3, wherein:
This silicon steel sheet group 1 is served as reasons 11 stacked compositions of plural silicon steel sheet, and each silicon steel sheet 11 surface periphery ring-type is arranged at intervals with plural containing hole 111, and the containing hole 111 of adjacent silicon steel disc 11 forms UNICOM's shapes; This copper ring 2 is provided with plural number with respect to the perforation 21 of containing hole 111, and perforation 21 runs through the upper and lower surface of copper ring 2, and copper ring 2 external diameters are greater than the external diameter of silicon steel sheet group 1; This copper bar 3 has location division 31, and 31 both sides, location division are formed with weld part 32.
When the present invention when making, first copper bar 3 being penetrated respectively plural silicon steel sheet 11 forms in each containing hole 111 that is connected, make the location division 31 of copper bar 3 be positioned at containing hole 111, and the weld part 32 at copper bar 3 two ends is exposed to respectively 1 liang of rear flank of silicon steel sheet group, again two copper rings 2 are arranged at respectively silicon steel sheet group 1 both sides, because the perforation 21 of copper ring 2 is with respect to containing hole 111, make the weld part 32 of copper bar 3 be positioned at perforation 21, and because of the external diameter of copper ring 2 external diameters greater than silicon steel sheet group 1, make the outer rim of copper ring 2 expose the periphery of silicon steel sheet group 1, and utilize clamping two copper rings 2 of tool (not looking out among the figure), copper ring 2 and silicon steel sheet group 1 are closely cooperated, continue and between the inwall of perforation 21 and weld part 32 outer rims, fill scolder 4, heat with 5 pairs of copper rotors 10 of continuous oven again, scolder 4 on average is heated and then the perforation 21 of the weld part 32 of firm connection copper bar 3 and copper ring 2, because the weld part 32 at copper bar 3 two ends utilizes the perforation 21 of the firm connection copper ring 2 of scolder 4, therefore after tool removed, copper ring 2 can be the shape that closely cooperates with silicon steel sheet group 1 and can not break away from; After copper rotor 10 heating, again the external diameter of copper ring 2 is processed, so that copper ring 2 formed external diameters are equal to the external diameter of silicon steel sheet group 1, namely finish the manufacturing of copper rotor 10.
So, the present invention be for can solve the deficiencies in the prior art and disappearance, and can promote effect, and its key technology is to be:
Since the present invention rely on scolder 4 welderings be located at 21 of copper bar 3 and copper ring 2 perforations form between gap, after making the copper ring 2 of adjacent copper bar 3 and both sides form firm the connection, again the external diameter of copper ring 2 is processed in the mode of turning, to allow two copper rings, 2 formed external diameters be equal to the external diameter of silicon steel sheet group 1, make it form copper rotor, therefore make the present invention by not limited by rotor size and die casting processing procedure, can be widely used in the making of various sizes rotor.
Moreover, because 21 of the weld part 32 at copper bar 3 two ends and the perforations of copper ring 2, utilize the firm connection of scolder 4, therefore, when the external diameter to copper ring 2 adds man-hour, between 21 of the perforations that scolder 4 all keeps being filled in fully the weld part 32 of copper bar 3 and copper ring 2 form in the gap, therefore make copper ring 2 and copper bar 3 can not be subjected to external diameter processing and produce and the bad situation such as break away from and occur, can significantly promote qualification rate.
Above explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, in the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (2)
1. copper rotor, this copper rotor is provided with silicon steel sheet group, two copper rings and plural copper bar, and the silicon steel sheet group is comprised of the stacked institute of plural silicon steel sheet, and each silicon steel sheet surface periphery ring-type is arranged at intervals with plural containing hole, and make the containing hole of adjacent silicon steel disc form UNICOM's shape, it is characterized in that:
Each copper bar has the location division, the both sides, location division are formed with weld part, and copper bar penetrates respectively in the containing hole of silicon steel sheet group, make position point in containing hole, and the weld part at two ends is exposed to respectively silicon steel sheet group both sides, and two copper rings are arranged at respectively silicon steel sheet group both sides, each copper ring is provided with plural number with respect to the perforation of containing hole, perforation runs through the upper and lower surface of copper ring, make the welding position of copper bar in perforation, and between perforation inwall and weld part outer rim, be filled with scolder, and with continuous oven copper rotor is heated again, scolder on average is heated and then firmly connects the weld part of copper bar and the perforation of copper ring.
2. described copper rotor according to claim 1, it is characterized in that: the external diameter of this copper ring is greater than the external diameter of silicon steel sheet group, make the copper ring outer rim expose the periphery of silicon steel sheet group, and the copper ring that heats rear copper rotor is carried out external diameter processing, so that the external diameter of copper ring is equal to the external diameter of silicon steel sheet group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102957841A CN103023251A (en) | 2011-09-27 | 2011-09-27 | Copper rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102957841A CN103023251A (en) | 2011-09-27 | 2011-09-27 | Copper rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103023251A true CN103023251A (en) | 2013-04-03 |
Family
ID=47971483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102957841A Pending CN103023251A (en) | 2011-09-27 | 2011-09-27 | Copper rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103023251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768012A (en) * | 2018-06-13 | 2018-11-06 | 广州西奥多电气设备有限公司 | A kind of squirrel-cage motor rotator and preparation method thereof |
| CN110504802A (en) * | 2018-05-16 | 2019-11-26 | 高力热处理工业股份有限公司 | The manufacturing method and motor rotor of motor rotor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53141410A (en) * | 1977-05-17 | 1978-12-09 | Hitachi Ltd | Manufacturing method of cage rotor |
| US6088906A (en) * | 1997-09-16 | 2000-07-18 | Ut-Battelle, Llc | Method of manufacturing squirrel cage rotors |
| CN201150025Y (en) * | 2007-12-14 | 2008-11-12 | 奇瑞汽车股份有限公司 | Drive motor for hybrid power automobile |
| CN201365176Y (en) * | 2009-02-25 | 2009-12-16 | 艾欧史密斯电气产品（苏州）有限公司 | Motor rotor |
-
2011
- 2011-09-27 CN CN2011102957841A patent/CN103023251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53141410A (en) * | 1977-05-17 | 1978-12-09 | Hitachi Ltd | Manufacturing method of cage rotor |
| US6088906A (en) * | 1997-09-16 | 2000-07-18 | Ut-Battelle, Llc | Method of manufacturing squirrel cage rotors |
| CN201150025Y (en) * | 2007-12-14 | 2008-11-12 | 奇瑞汽车股份有限公司 | Drive motor for hybrid power automobile |
| CN201365176Y (en) * | 2009-02-25 | 2009-12-16 | 艾欧史密斯电气产品（苏州）有限公司 | Motor rotor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504802A (en) * | 2018-05-16 | 2019-11-26 | 高力热处理工业股份有限公司 | The manufacturing method and motor rotor of motor rotor |
| CN110504802B (en) * | 2018-05-16 | 2021-05-04 | 高力热处理工业股份有限公司 | Method for manufacturing motor rotor and motor rotor |
| CN108768012A (en) * | 2018-06-13 | 2018-11-06 | 广州西奥多电气设备有限公司 | A kind of squirrel-cage motor rotator and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |