CN101452762B - Pole winding winding and molding method - Google Patents
Pole winding winding and molding method Download PDFInfo
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- CN101452762B CN101452762B CN2008101513663A CN200810151366A CN101452762B CN 101452762 B CN101452762 B CN 101452762B CN 2008101513663 A CN2008101513663 A CN 2008101513663A CN 200810151366 A CN200810151366 A CN 200810151366A CN 101452762 B CN101452762 B CN 101452762B
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Abstract
The invention relates to a winding molding method for a magnetic pole coil and belongs to the technical field of coil winding. The method comprises the technical process of coil winding and molding, and the winding and molding of the coil comprise the following process steps: 1) primary annealing, in which a copper bar is subjected to oxygen-free annealing process treatment; 2) coil winding, in which a winding mold is fixed with a base and is arranged on magnetic pole coil winding equipment, and the copper bar is wound into a coil on the winding mold; 3) secondary annealing, in which the formed coil is subjected to secondary oxygen-free annealing treatment; 4) cold press molding, in which the formed coil after the secondary annealing is cold press molded on an oil press by a cold/hot pressing mold; 5) lead bonding, in which the formed coil is subjected to lead bonding; 6) insulation, in which the formed coil is subjected to insulation laying working procedure; and 7) hot press molding, in which the coil laid with the insulation is subjected to hot press molding in the cold/hot pressing mold to obtain the magnetic pole coil. The method has the advantages of energy conservation, material conservation, environmental protection, and high efficiency, and avoids the thickening of an inner winding angle and the abrasion of an outer angle; and the product has the advantages of beautiful appearance, accurate size, stable electrical property and so on.
Description
Technical field
The invention belongs to coil and compile, particularly relate to a kind of pole winding winding and molding method around technical field.
Background technology
At present, large-scale pole coil is walked around in the journey in volume, and particularly square pole coil is compiled the processing of coiled type, and it is overproof outside dimension to occur, and volume lays out the four jiaos of R of coil that come and thickens.If pole coil adopt special type copper bar compile around, can make in winding process, the copper bar that R place, external diameter turning stretches wears away, not reaching designing requirement influences presentation quality, and causes technical problems such as the copper bar consumption is big.
Summary of the invention
The technical problem of the present invention for existing in the solution known technology, and a kind of pole winding winding and molding method is provided.
It is simple to the purpose of this invention is to provide a cover technology, avoid compiling around the time external diameter overproof and R place, external diameter turning copper bar be worn phenomenon and four jiaos of R thicken phenomenon.Square pole coil processing technology behind the volume coiled type.
The technical scheme that the present invention takes is:
A kind of pole winding winding and molding method, comprise coil compile around and molding process, be characterized in: coil is compiled the coiled type and is comprised following processing step:
1) once annealing
Pole coil is carried out the anaerobic annealing process with copper bar to be handled;
2) compile coiling
Compile winding mold and base and fix, and be contained on the pole coil volume winding apparatus, the back copper bar of will annealing turns to coil on the volume winding mold;
3) double annealing
Formed coil carries out secondary anaerobic annealing in process;
4) cold moudling
The formed coil of double annealing with cold and hot pressing mold tool, carries out cold moudling on hydraulic press;
5) wire bonds
Formed coil carries out wire bonds;
6) insulation
Formed coil pad insulation operation;
7) hot-forming
The coil that has filled up insulation carries out hot-formingly in cold and hot pressing mold, makes pole coil.
The present invention can also adopt following technical measures:
Described pole winding winding and molding method is characterized in: after the cold moudling, clear up except that the thorn operation, coil is put into to remove carry out the copper bar cleaning on the thorn frame except that the thorn arrangement.
Described pole winding winding and molding method is characterized in: after hot-forming, carry out the visual examination operation, and the visual examination pole coil, and carry out D.C. resistance and detect.
Described pole winding winding and molding method is characterized in: after hot-forming, carry out the formed coil painting process.
Described pole winding winding and molding method, be characterized in: when volume winding mold and base are installed on pole coil volume winding apparatus, fix with nut base dovetail groove and volume winding apparatus workbench dovetail groove fastening, copper bar is put into rotating disk, copper bar is through the roller alignment, after the stretching clamping, copper bar is begun coiling along the narrow limit of volume winding mold become coil.
Described pole winding winding and molding method is characterized in: formed coil carries out cold moudling with cold and hot pressing mold tool and side-pressing device on hydraulic press.
Pole coil of the present invention compile around the time, the pretightning force adjustment of copper bar is to solve pole coil to compile the key technology of walking around coil molding in the journey.The copper bar pretightning force is big, and the copper bar springback capacity is little, and overall dimension is guaranteed.
Advantage that the present invention has and good effect:
Pole winding winding and molding method adopts technical solution of the present invention, thereby has following characteristics:
(1) pole coil product appearance unanimity, size is accurate, and surface smoothing does not have wear phenomenon, and is seamless between circle and the circle, appearance looks elegant.
(2) mould adopts rational project organization and combining form, has avoided compiling walking around that interior angle thickens problem and exterior angle wear problem in the journey.
(3) pole coil does not have Inter-turn Short Circuit Phenomenon, electric performance stablity.
(4) adopt the volume winding apparatus to compile, save material around energy-saving and environmental protection, efficient height.
(5) compile around the time, adopt rational counterweight, coil compile around the time phenomenon of coming and going when having avoided coiling occurring.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now also in conjunction with the accompanying drawings, be described in detail as follows:
Embodiment 1
A kind of pole winding winding and molding method, comprise coil compile around and molding process, be characterized in: coil is compiled the coiled type and is comprised following processing step:
1. once annealing
Pole coil is carried out the anaerobic annealing process with copper bar to be handled;
2. volume coiling
Compile winding mold and base and fix, and be contained on the pole coil volume winding apparatus, fix with nut base dovetail groove and volume winding apparatus workbench dovetail groove fastening, annealing back copper bar is put into rotating disk, copper bar, begins coiling with copper bar along the narrow limit of volume winding mold and becomes coil after the stretching clamping through the roller alignment.
3. double annealing
Formed coil carries out secondary anaerobic annealing in process;
4. cold moudling
The formed coil of double annealing is placed on 500 tons of hydraulic presses, with cold and hot pressing mold tool and side-pressing device, carries out cold moudling;
5. cleaning removes thorn
After the cold moudling, clear up, coil is put into to remove carry out the copper bar cleaning on the thorn frame except that the thorn arrangement except that the thorn operation.
6. wire bonds
Formed coil carries out wire bonds;
7. insulation
Formed coil pad insulation operation;
8. hot-forming
The coil that has filled up insulation carries out hot-formingly in cold and hot pressing mold, makes pole coil.
9. visual examination
After hot-forming, carry out the visual examination operation, the visual examination pole coil, and carry out D.C. resistance and detect.
10. spray paint
Hot-forming and carry out carrying out the formed coil painting process after outward appearance detects.
The specific implementation process of present embodiment:
1. once annealing
A, used material: (1) copper bar (2) iron wire
B, used tool: (1) scissors (2) anaerobic annealing furnace (3) overhead traveling crane
C, making step and method: copper bar is removed packing, every bundle copper bar binding is lived, put it in the anaerobic annealing furnace, enter copper bar annealing in process for the first time by technological requirement with overhead traveling crane with iron wire.
2. compile around operation
A, used material: (1) copper bar (2) silver solder (3) welding equipment
B, used tool: (1) special-purpose large-scale volume winding apparatus (2) hammer (3) chisel (4) is compiled winding mold base die assembly (5) hanging device (6) spanner (7) angle and is cut
C, making step and method:
(1) at first will compile winding mold base assembling die is installed on the volume winding apparatus work top.Adjust the position that is fixed, service position, compile around machine pressing plate position accurately the location and will compile winding mold copper bar Width around the machine operation principle and compress by compiling.
(2) copper bar is put on the rotating disk, copper bar is after the roller bearing alignment, and the pressing clip plate holder is tight.Volume starts around machine, and moving the volume around machine of machine dribbling done directed disk motion.Make copper bar along compiling the narrow edge direction coiling of winding mold.With the compressed air internally-powered.The machine dish is promoted to rotate by the piston of cylinder, and the pretightning force of copper bar is big, and coil does not have resilience after compiling the coiled type.Because it is reasonable in design to compile winding mold, be combined to form the configuration eye distance in center, place, point of contact, 2R angle with base, be installed in workbench accurately the location with to compile winding apparatus pressing plate position relevant, avoided because of compile around the time exterior angle pull the appearance quality that wire rod weares and teares and causes.When copper bar needs joint, adopt the miter angle inclined weld,,, improve interface tensile strength to reduce cross section interface resistance with the silver solder welding.Improve the weld bond electric conductivity.
(3) coil of coiling being finished flows into subsequent processing.
3. coil is annealed for the second time
A, used material: preceding operation coil
B, used tool: (1) anaerobic annealing furnace (2) overhead traveling crane lifting device
C, making step and method: will compile coiled molded lines circle and put into the anaerobic annealing furnace, transferring to the required double annealing technological temperature time carries out, stressed excessive when the coiling to eliminate coil, produces elastic distortion, and the internal stress that produces.
4. cold moudling operation
A, required material: last operation coil
B, used tool: (1) cold and hot pattern (2) large-sized hydraulic press (3) side pressure frock (4) crowbar (5) guide pillar that is pressed into
C, making step and method:
(1) starts hydraulic press, the side pressure frock is placed on the hydraulic press work top, pole coil is put into the side pressure frock, put into cold and hot pressing mold frock then, with mould suppressing coil internal diameter, with hydraulic press that the side pressure frock voussoir back of the body is tight again, guarantee outer wide size of coil and perpendicularity problem.
(2) coil of cold moudling is fitly piled up together, treated next process production.
5. wire bonds operation
A, used material: (1) last operation coil (2) lead-in wire (3) silver solder (4) magnifying glass
B, used tool: (1) blocks blue anchor clamps (2) welding equipments (3) instrument that prints
C, making step and method:
(1) by the design drawing requirement, mark lead-in wire position distance, will go between clamps with card is blue, carries out wire bonds with special welding equipment.
(2) coil that wire bonds is finished flows into subsequent processing.
6. cleaning removes the thorn operation
A, used material: (1) last operation coil (2) gauze
B, used tool: (1) special stand (2) hand operated grinding wheel (3) file
C, making step and method:
(1) coil is put into special-purpose cleaning and removed on the thorn shelf, it is flat with manual angle emery wheel four jiaos of R places to be thickened the position reconditioning.
(2) with file straight line place burr is removed then, clean with the gauze polishing again.
(3) after coil is cleaned out, put coil in order the smooth neat subsequent processing to be changed over to together of piling up that beats out.
7. insulation blanking, pad insulation operation
A, used material: (1) last operation coil (2) insulating material (3) cotton gauze
B, used tool: (1) pad insulating support (2) material disc (3) small brushes
C, making step and method: coil is put into the pad insulating support, erect, use the cotton wiped clean, the insulating material number of turn successively is encased inside wherein, change subsequent processing over to the line rod.
8. hot-briquetting modeling process
A, used material: last operation coil
B, used tool: the cold and hot pressure frock of (1) crow bar rod (2) (3) pressure measurement frock
(4) the directed guide pillar of hydraulic press (5)
C, making step and method:
(1) starts hydraulic press, the pressure measurement frock is placed on the hydraulic press work top, and coil is put into the side pressure frock, adorns cold and hot pressing mold tool successively and with directed guide pillar its cold and hot mould core mould is depressed into and puts in place, will be by drawing design height size, with hydraulic press till the drawing height dimension.
(2) Width presses the side pressure frock voussoir back of the body to putting in place, guarantees till external diameter width dimensions and the perpendicularity designing requirement.
9. test the turn-to-turn short circuit operation
A, used material: preceding operation coil
B, used tool: (1) special test equipment (2) test fixture (3) large-sized hydraulic press
C, making step and method:
(1) on hydraulic press, tests turn-to-turn short circuit by technical requirement on design test tonnage.
(2) will test good product code puts together and changes subsequent processing over to.
10. outward appearance detects, surveys the D.C. resistance operation
A, used material: preceding operation coil
B, used tool: (1) test electric bridge (2) test fixture
C, making step:
(1) at first estimate presentation quality, high-visible by national standard (DS/2011-2002) coil insulation and copper cash.Flat appearance, turn-to-turn is seamless, and internal diameter is smooth smooth, the uneven phenomenon of no concave-convex between end and corner's wire turn.
(2) survey D.C. resistance with direct-current bridge, maximum, minimum difference is not more than 2% with the ratio of mean value
11. spray paint
A, used material: (1) preceding operation coil (2) paint vehicle
B, used tool: (1) spray gun (2) handcart
C, making step and method: require to spray paint according to design drawing.
Claims (5)
1. pole winding winding and molding method, comprise coil compile around and molding process, it is characterized in that: coil is compiled the coiled type and is comprised following processing step:
1) once annealing
Pole coil is carried out the anaerobic annealing process with copper bar to be handled;
2) compile coiling
Compile winding mold and base and fix, and be contained on the pole coil volume winding apparatus, the back copper bar of will annealing turns to coil on the volume winding mold;
When volume winding mold and base are installed on pole coil volume winding apparatus, it is fastening that base dovetail groove and volume winding apparatus workbench dovetail groove are fixed the usefulness nut, and copper bar is put into rotating disk, and copper bar is through the roller alignment, after the stretching clamping, copper bar is begun coiling along the narrow limit of volume winding mold become coil;
Volume starts around machine, and moving the volume around machine of machine dribbling done directed disk motion, makes copper bar along compiling the narrow edge direction coiling of winding mold, is power with compressed air, and the machine dish is promoted to rotate by the piston of cylinder, and the pretightning force of copper bar is big, and coil does not have resilience after compiling the coiled type;
3) double annealing
Formed coil carries out secondary anaerobic annealing in process;
4) cold moudling
The formed coil of double annealing with cold and hot pressing mold tool, carries out cold moudling on hydraulic press;
5) wire bonds
Formed coil carries out wire bonds;
6) insulation
Formed coil pad insulation operation;
7) hot-forming
The coil that has filled up insulation carries out hot-formingly in cold and hot pressing mold, makes pole coil.
2. pole winding winding and molding method according to claim 1 is characterized in that: after the cold moudling, clear up except that the thorn operation, coil is put into to remove carry out the copper bar cleaning on the thorn frame except that the thorn arrangement.
3. pole winding winding and molding method according to claim 1 is characterized in that: after hot-forming, carry out the visual examination operation, and the visual examination pole coil, and carry out D.C. resistance and detect.
4. pole winding winding and molding method according to claim 1 is characterized in that: after hot-forming, carry out the formed coil painting process.
5. pole winding winding and molding method according to claim 1 is characterized in that: formed coil carries out cold moudling with cold and hot pressing mold tool and side-pressing device on hydraulic press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101513663A CN101452762B (en) | 2008-09-18 | 2008-09-18 | Pole winding winding and molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101513663A CN101452762B (en) | 2008-09-18 | 2008-09-18 | Pole winding winding and molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101452762A CN101452762A (en) | 2009-06-10 |
| CN101452762B true CN101452762B (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101513663A Expired - Fee Related CN101452762B (en) | 2008-09-18 | 2008-09-18 | Pole winding winding and molding method |
Country Status (1)
| Country | Link |
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| CN (1) | CN101452762B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666604B (en) * | 2009-09-22 | 2011-12-07 | 天津市天发重型水电设备制造有限公司 | Method and device for detecting internal diameter size of pole coil of generator |
| CN101860136A (en) * | 2010-04-30 | 2010-10-13 | 天津市天发重型水电设备制造有限公司 | Processing method for pole coils of tubular turbines |
| CN102368653B (en) * | 2011-09-23 | 2013-06-26 | 浙江双富电力设备有限公司 | Integral hot-press molding method of salient magnetic pole iron core and coil |
| CN104362819B (en) * | 2014-11-04 | 2019-01-04 | 天津市天发重型水电设备制造有限公司 | A kind of coil type winding turn-to-turn insulation processing technology |
| CN105823569B (en) * | 2016-04-27 | 2018-10-30 | 西安交通大学 | A kind of doping chromic acid lanthanum film type thermocouple and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094106U (en) * | 1991-04-26 | 1992-01-22 | 机械电子工业部中电设计研究院 | Automation device of pole coil pancake winding machine |
| CN1080226A (en) * | 1993-02-25 | 1994-01-05 | 贵州航空工业总公司贵阳电机厂 | Copper and low-carbon steel resistance diffusion welding process |
| CN2249961Y (en) * | 1995-11-10 | 1997-03-19 | 中机中电设计研究院 | Coil flat winder |
| CN201018329Y (en) * | 2007-03-19 | 2008-02-06 | 吴玉泉 | Insulation layer improved structure between generator rotor field coil and iron core |
-
2008
- 2008-09-18 CN CN2008101513663A patent/CN101452762B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094106U (en) * | 1991-04-26 | 1992-01-22 | 机械电子工业部中电设计研究院 | Automation device of pole coil pancake winding machine |
| CN1080226A (en) * | 1993-02-25 | 1994-01-05 | 贵州航空工业总公司贵阳电机厂 | Copper and low-carbon steel resistance diffusion welding process |
| CN2249961Y (en) * | 1995-11-10 | 1997-03-19 | 中机中电设计研究院 | Coil flat winder |
| CN201018329Y (en) * | 2007-03-19 | 2008-02-06 | 吴玉泉 | Insulation layer improved structure between generator rotor field coil and iron core |
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| CN101452762A (en) | 2009-06-10 |
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Granted publication date: 20101215 Termination date: 20130918 |