CN202307400U - Permanent magnet type interval winding rotating magnetic field generation device - Google Patents
Permanent magnet type interval winding rotating magnetic field generation device Download PDFInfo
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- CN202307400U CN202307400U CN2011204229100U CN201120422910U CN202307400U CN 202307400 U CN202307400 U CN 202307400U CN 2011204229100 U CN2011204229100 U CN 2011204229100U CN 201120422910 U CN201120422910 U CN 201120422910U CN 202307400 U CN202307400 U CN 202307400U
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- iron core
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- 238000004804 winding Methods 0.000 title claims abstract description 120
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000009413 insulation Methods 0.000 claims abstract description 28
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- 239000007787 solid Substances 0.000 claims description 29
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- 238000000576 coating method Methods 0.000 abstract description 16
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- 238000004372 laser cladding Methods 0.000 abstract description 9
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
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- 239000011162 core material Substances 0.000 description 4
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- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
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- 230000008025 crystallization Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
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- 229910000859 α-Fe Inorganic materials 0.000 description 2
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- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a permanent magnet type interval winding rotating magnetic field generation device, which belongs to the technical field of surface modification equipment and comprises a plurality of pairs of iron cores and excitation windings which are evenly distributed in a circle, a magnetic head, an additional permanent magnetic head, an iron core fixing base disc, an excitation winding inner protection cover, an excitation winding outer protection cover and a heat insulation plate. The lower end of the iron core is fixed on the iron core fixing base disc, the excitation winding inner protection cover and the excitation winding outer protection cover are respectively fixed on an inner ring and an outer ring of the iron fixing base disc and covers the excitation winding in a cavity formed by the inner protection cover and the outer protection cover, and the heat insulation plate is fixed on the upper surface of the excitation winding inner protection cover and the excitation winding outer protection cover. A rotating magnetic field is generated by orderly electrifying and interrupting the excitation winding and used for optimizing structure and performance of a material surface laser cladding coating, the rotating magnetic field is applied to a work piece conducting laser cladding to achieve microorganism improvement and surface comprehensive performance improvement in the laser cladding process. The permanent magnet type interval winding rotating magnetic field generation device has the advantages of being capable of achieving high-strength rotating magnetic fields, miniaturized, easy to assemble and disassemble, capable of conducting magnetization processing in smaller environment space and meeting requirements for magnetization processing under various working conditions.
Description
Technical field
The utility model provides a kind of magneto winding rotating magnetic field generation device at interval, and particularly a kind of rotating magnetic field generation device that is used for material surface laser cladding coating microstructure and performance optimization belongs to surface modification equipment technology field.
Background technology
Along with laser melting coating process for modifying surface in recent years in the further extensive use in fields such as biology, Aeronautics and Astronautics, machinery, material, metallurgy, mine, nuclear power, heterogeneous microstructure, physical and chemical performance, mechanical property, photoelectric properties and the biomedical performance etc. of laser melting coating modified coating have been proposed increasingly high requirement.But defectives such as pore and crackle are organized inadequately evenly, are prone to laser cladding coating ubiquity cladding layer.In order effectively to remedy the deficiency of laser melting coating, give full play to its advantage, Recent study personnel propose the new approaches of welding of externally-applied magnetic field auxiliary laser and laser melting coating.According to domestic and international existing research and report, the form of externally-applied magnetic field has longitudinal magnetic field, transverse magnetic field etc., but these magnetic fields all belong to the magnetic field under the static state, and Distribution of Magnetic Field is confined to the certain spatial position, and the direction of the magnetic line of force is fixing all the time.Prove through experimental study; The magnetic field of these static form can both produce certain influence to metal flow in the molten bath in laser welding, the laser cladding process and crystallization; Thereby influence the mass transfer and the diabatic process of metal in the molten bath, so that improve its technology, improve the quality of modified layer.
Though static magnetic field can exert an influence to the mass transfer and the heat transfer of metal in the molten bath, static magnetic field at a time can only influence mass transfer and diabatic process to metal in the molten bath on specific direction.Therefore, still there is bigger limitation in static magnetic field to improving technology.If can develop a kind of multi-direction technology that influences molten pool metal mass transfer and heat transfer that has, to the further microstructure form of improving the laser melting coating composite coating, the surface comprehensive performance that improves laser cladding coating will have crucial meaning.At present, also do not improve the report of the rotating magnetic field generation device of laser melting and coating process, particularly have than high-intensity magnetic field intensity, rotating magnetic field generation device that result of use is good and still do not have report.
Summary of the invention
The purpose of the utility model provides a kind of magneto winding rotating magnetic field generation device at interval, for laser melting and coating process provides rotating magnetic field, improves flowing and crystalline characteristics of liquid metal, optimizes laser cladding coating institutional framework and comprehensive surface property.
The technical scheme of the utility model is: magneto is winding rotating magnetic field generation device at interval; Comprise along circumference equally distributed many to iron core 2 and cover solid on it excitation winding 6, be loaded on every pair of iron core 2 upper ends many to protective cover 4 and thermal insulation board 11 in magnetic head 1 and additional permanent magnetism magnetic head 13, iron core fixed underpan 5, excitation winding outer protective cover 3, the excitation winding; Nut 8 matching and fixing are passed through on iron core fixed underpan 5 in iron core 2 lower ends; Excitation winding outer protective cover 3 and interior protective cover 4 are separately fixed on the Internal and external cycle of iron core fixed underpan 5 and with excitation winding 6 and cover in its cavity that forms each other; Thermal insulation board 11 is fixed on the upper surface of the inside and outside protective cover 3 of excitation winding and 4, and additional permanent magnetism magnetic head 13 is loaded on magnetic head 1 termination.Each excitation winding 6 comprises winding fixed charge method end plate 9 and is fixed in the hold-down nut 7 of iron core upper and lower end; Evenly be fixed on the fixing solid column 12 of lattice coil on the upper and lower winding fixed charge method end plate 9 from the inside to the outside along the border and be wound on the coil on the fixing solid column 12 of every layer line circle, keep a determining deviation between every layer line circle.
The number of plies of the solid column 12 of the coil stationary of said excitation winding 6 is 2 ~ 8 layers; Every layer has 4 ~ 12 solid columns; Every solid column is the metal upright post of diameter 3 ~ 5mm, and the spacing between every layer line circle is 1 ~ 3mm, to guarantee that certain heat radiation gap is arranged between every layer line circle.Spacing between the number of plies of solid column 12, the quantity of every layer of solid column and the every layer line circle is all confirmed in given range according to actual needs, guarantees to form enough magnetic field intensitys and gets final product with heat radiation.
The quantity of said magnetic head 1, additional permanent magnetism magnetic head 13, iron core 2 and excitation winding 6 is 2 ~ 6 pairs, is spaced apart 30 ~ 90 ° between the every pair of magnetic head 1, additional permanent magnetism magnetic head 13, iron core 2 and the excitation winding 6.Magnetic head 1 is the bar column construction, and itself and thermal insulation board 11 be the slit of 1 ~ 5mm at interval, and the opposed assembling that is in line of every pair of magnetic head.The gap length of the quantity of iron core 2, excitation winding 6, magnetic head 1 and additional permanent magnetism magnetic head 13 and magnetic head 1 and thermal insulation board 11 is selected to confirm according to actual needs in given range, guarantees to form enough magnetic field intensitys and gets final product.The section configuration of additional permanent magnetism magnetic head 13 is identical with magnetic head 1, and its center is coaxial with magnetic head 1, and the opposed assembling that is in line of every pair of permanent magnetism magnetic head.The section of magnetic head 1 and iron core 2 can be circle, square etc., and its material can be pure iron, ferro-silicium (like silicon steel), iron nickel system alloy, ferroaluminium, amorphous magnetic material, ferrite etc.
Said excitation winding outer protective cover 3 thick 1～5mm have the louvre of a plurality of diameter 1～20mm on it, can be processed by sheet metals such as ordinary copper, steel, iron.The thickness of protective cover 3 and the quantity that goes up louvre thereof are confirmed according to actual needs, guarantee the protection of winding is got final product with normal heat radiation.Protective cover 4 can adopt heat-barrier material to process in the excitation winding.
Said magnetic head 1 is connected set bolt 10 with iron core 2 through the magnetic head iron core and connects fixing; The solid column 12 of coil stationary is fixed on the excitation winding fixed charge method end plate 9 through threaded engagement; Excitation winding outer protective cover 3 is connected fixing with iron core fixed underpan 5 through high-temperature insulation glue; Protective cover 4 is connected sealing and fixing with iron core fixed underpan 5 through high-temperature insulation glue in the excitation winding, and thermal insulation board 11 is fixedly connected and seals through high-temperature insulation glue with the interior protective cover 4 of excitation winding outer protective cover 3 and excitation winding.
The utility model is through realizing the rotation in magnetic field to evenly spaced apart many of same circumference excitation winding being carried out order switching electricity, and the size of the break-make electricity time interval, cycle and the exciting current of every pair of excitation winding all can be regulated separately.
This device is through producing rotating magnetic field at the even many order switching electricity to excitation winding spaced apart of same circumference; Through the size of the electric time interval of the order break-make of regulating excitation winding and cycle and exciting current, can realize the size variation of magnetic field speed and magnetic field intensity easily.Simultaneously,, the magnetic field intensity of device is strengthened greatly, in laser cladding process, can be obtained better result of use owing on magnetic head, increased the additional permanent magnetism magnetic head of bar shaped.The speed through changing this rotating magnetic field and the size of exciting current can be convenient and improve laser melting and coating process effectively, improve the mass transfer and the diabatic process of liquid metal in the molten bath.Have miniaturization, be prone to advantages such as assembling, dismounting, can in less environment space, magnetize processing, satisfy the needs that magnetization is handled under various engineerings and the working condition.
Description of drawings
Fig. 1 looks sketch map for the utility model master;
Fig. 2 looks sketch map for the utility model mansion;
Fig. 3 is the utility model A-A cross-sectional schematic;
Fig. 4 is the utility model schematic diagram;
Fig. 5 is the process sketch map that the utility model embodiment 1 winding 1-1' produces rotating magnetic field;
Fig. 6 is the process sketch map that the utility model embodiment 1 winding 2-2' produces rotating magnetic field;
Fig. 7 is the process sketch map that the utility model embodiment 1 winding 3-3' produces rotating magnetic field.
Each label is followed successively by among the figure: the 1-magnetic head; The 2-iron core; 3-excitation winding outer protective cover; Protective cover in the 4-excitation winding; 5-iron core fixed underpan; The 6-excitation winding; 7-excitation winding end plate hold-down nut; The 8-hold-down nut; Excitation winding fixed charge method end plate 9; 10-magnetic head iron core connects set bolt; The 11-thermal insulation board; The solid column of 12-coil stationary; 13-adds the permanent magnetism magnetic head.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is done further to set forth, but the protection range of the utility model is not limited to said content.
Embodiment 1: referring to Fig. 1,2,3; This magneto is winding rotating magnetic field generation device at interval; Comprise along protective cover 4 and thermal insulation board 11 in solid excitation winding 6, the 3 pairs of magnetic heads 1 that are loaded on every pair of iron core 2 upper ends and additional permanent magnetism magnetic head 13, iron core fixed underpan 5, excitation winding outer protective cover 3, the excitation winding on it of equally distributed 3 pairs of iron cores of circumference 2 and cover; Nut 8 matching and fixing are passed through on iron core fixed underpan 5 in iron core 2 lower ends; Excitation winding outer protective cover 3 and interior protective cover 4 are separately fixed on the Internal and external cycle of iron core fixed underpan 5 and with excitation winding 6 and cover in its cavity that forms each other; Thermal insulation board 11 is fixed on the upper surface of the inside and outside protective cover 3 of excitation winding and 4, and additional permanent magnetism magnetic head 13 is loaded on magnetic head 1 termination.Each excitation winding 6 comprises winding fixed charge method end plate 9 and is fixed in the hold-down nut 7 of iron core upper and lower end; Evenly be fixed on the fixing solid column 12 of 6 layer line circles on the upper and lower winding fixed charge method end plate 9 from the inside to the outside along the border and be wound on the coil on the fixing solid column 12 of every layer line circle; Every layer of copper solid column that 4 diameter 5mm are arranged, spacing is 3mm between every layer line circle.The additional permanent magnetism magnetic head 13 coaxial with it is equipped with in the termination of each bar cylindricality magnetic head 1; The section of magnetic head 1, additional permanent magnetism magnetic head 13 and iron core 2 is circle; Be spaced apart 60 ° between the every pair of magnetic head 1, additional permanent magnetism magnetic head 13, iron core 2 and the excitation winding 6; Magnetic head 1 and thermal insulation board 11 be 5mm at interval, and the opposed assembling that is in line of the every pair of magnetic head 1 and additional permanent magnetism magnetic head 13.
The utility model is through realizing the rotation in magnetic field to evenly spaced apart many of same circumference excitation winding being carried out order switching electricity, and the size of the break-make electricity time interval, cycle and the exciting current of every pair of excitation winding all can be regulated separately.
Like Fig. 4,5,6, shown in 7; 3 pairs of magnetic heads 1, additional permanent magnetism magnetic head 14, iron core and winding intervals are distributed on the same circumference for 60 °; When order is given 3 couples of excitation winding 1-1', 2-2', 3-3' break-make electricity; Just produce magnetic field in the space that excitation winding pole coil surrounded, the magnetic field of generation makes the magnetization of the iron core in the excitation winding magnetic line of force transmit on the magnetic head direction along iron core.The process that rotating magnetic field produces is when order is given excitation winding 1-1' energising; Just produce magnetic field in the space that this excitation winding pole coil surrounded; The magnetic field that produces is the magnetization of the iron core in the excitation winding, make the magnetic line of force along iron core to the magnetic head direction on transmission (referring to Fig. 5).When order is given excitation winding 2-2' energising, just produce magnetic field in the space that this excitation winding pole coil surrounded, the magnetic field of generation is the magnetization of the iron core in the excitation winding, make the magnetic line of force along iron core to the magnetic head direction on transmission (referring to Fig. 6).When order is given excitation winding 3-3' energising, just produce magnetic field in the space that this excitation winding pole coil surrounded, the magnetic field of generation is the magnetization of the iron core in the excitation winding, make the magnetic line of force along iron core to the magnetic head direction on transmission (referring to Fig. 7).According to the characteristics and the arts demand of laser melting coating weld pool solidifies crystallization process, can carry out simultaneously also that 3 pairs of excitation winding are switched on simultaneously or wherein any two groups switch on simultaneously.
Embodiment 2: referring to Fig. 1,2; Winding rotating magnetic field generation device is identical with embodiment 1 at interval for this magneto; Difference is: have 6 pairs of magnetic heads, iron core, additional permanent magnetism magnetic head and excitation winding; Be spaced apart 30 ° between every pair of magnetic head, iron core and the excitation winding, magnetic head and thermal insulation board be spaced apart 3mm, and every pair of magnetic head opposed assembling that is in line.Each excitation winding has 2 layer line circles to fix solid column, every layer of solid column of steel that 12 diameter 3mm are arranged, and spacing is 1mm between every layer line circle.Magnetic head and core material are silicon steel, and its section is square; Outer protective cover is processed by the steel plate of thick 5mm, and the louvre of 500 diameter 20mm is arranged on it.
Embodiment 3: referring to Fig. 1,2; Winding rotating magnetic field generation device is identical with embodiment 1 at interval for this magneto; Difference is: have 4 pairs of magnetic heads, iron core, additional permanent magnetism magnetic head and excitation winding; Be spaced apart 45 ° between every pair of magnetic head, iron core and the excitation winding, magnetic head and thermal insulation board be spaced apart 4mm, and every pair of magnetic head opposed assembling that is in line.Each excitation winding has 4 layer line circles to fix solid column, every layer of copper solid column that 8 diameter 3mm are arranged, and spacing is 2mm between every layer line circle.Magnetic head and core material are ferrite, and its section is circle; Outer protective cover is processed by the copper coin of thick 1mm, and the louvre of 100 diameter 10mm is arranged on it.
Embodiment 4: referring to Fig. 1,2; Winding rotating magnetic field generation device is identical with embodiment 1 at interval for this magneto; Difference is: have 5 pairs of magnetic heads, iron core, additional permanent magnetism magnetic head and excitation winding; Be spaced apart 36 ° between every pair of magnetic head, iron core and the excitation winding, magnetic head and thermal insulation board be spaced apart 4mm, and every pair of magnetic head opposed assembling that is in line.Each excitation winding has 8 layer line circles to fix solid column, every layer of copper solid column that 6 diameter 4mm are arranged, and spacing is 3mm between every layer line circle.Magnetic head and core material are iron-nickel alloy, and its section is square; Outer protective cover is processed by the copper coin of thick 3mm, and the louvre of 1500 diameter 3mm is arranged on it.
Embodiment 5: referring to Fig. 1,2; Winding rotating magnetic field generation device is identical with embodiment 1 at interval for this magneto; Difference is: have 2 pairs of magnetic heads, iron core, additional permanent magnetism magnetic head and excitation winding; Be spaced apart 90 ° between every pair of magnetic head, iron core and the excitation winding, magnetic head and thermal insulation board be spaced apart 1mm, and every pair of magnetic head opposed assembling that is in line.Each excitation winding the have three layers solid column of coil stationary, every layer of copper solid column that 4 diameter 3mm are arranged, spacing is 2mm between every layer line circle.Magnetic head and core material are iron-nickel alloy, and its section is square; Outer protective cover is processed by the copper coin of thick 2mm, and the louvre of 1000 diameter 5mm is arranged on it.
Claims (7)
1. magneto winding rotating magnetic field generation device at interval; It is characterized in that: comprise along circumference equally distributed many to iron core (2) and cover solid on it excitation winding (6), be loaded on the many of every pair of iron core (2) upper end to magnetic head (1) and additional permanent magnetism magnetic head (13), iron core fixed underpan (5), excitation winding outer protective cover (3), the interior protective cover (4) of excitation winding and thermal insulation board (11); Iron core (2) lower end is fixed on the iron core fixed underpan (5); Excitation winding outer protective cover (3) and interior protective cover (4) are separately fixed on the Internal and external cycle of iron core fixed underpan (5) and with excitation winding (6) and cover in its cavity that forms each other; Thermal insulation board (11) is fixed on the upper surface of the inside and outside protective cover of excitation winding (3) and (4), and additional permanent magnetism magnetic head (13) is loaded on magnetic head (1) termination; Excitation winding (6) comprises winding fixed charge method end plate (9) and is fixed in the hold-down nut (7) of iron core upper and lower end; Evenly be fixed on the fixing solid column (12) of lattice coil on the upper and lower winding fixed charge method end plate (9) from the inside to the outside along the border and be wound on the coil on the fixing solid column (12) of every layer line circle, keep a determining deviation between every layer line circle.
2. the compartment winding rotating magnetic field generation device of band permanent magnetism magnetic head according to claim 1; It is characterized in that: the number of plies of the solid column of coil stationary (12) is 2 ~ 8 layers; Every layer has 4 ~ 12 solid columns; Every solid column is the metal upright post of diameter 3 ~ 5mm, and the spacing between every layer line circle is 1 ~ 3mm.
3. magneto according to claim 1 is winding rotating magnetic field generation device at interval; It is characterized in that: the quantity of magnetic head (1), additional permanent magnetism magnetic head (13), iron core (2) and excitation winding (6) is 2 ~ 6 pairs, every pair of magnetic head (1), adds and is spaced apart 30 ~ 90 ° between permanent magnetism magnetic head (13), iron core (2) and the excitation winding (6).
4. magneto according to claim 1 is winding rotating magnetic field generation device at interval, and it is characterized in that: magnetic head (1) be the bar column construction, itself and thermal insulation board (11) interval certain interval, and the opposed assembling that is in line of every pair of magnetic head.
5. the compartment winding rotating magnetic field generation device that has the permanent magnetism magnetic head according to claim 4, it is characterized in that: the gap between magnetic head (1) and the thermal insulation board (11) is 1 ~ 5mm.
6. magneto according to claim 1 is winding rotating magnetic field generation device at interval, it is characterized in that: additional permanent magnetism magnetic head (13) section configuration is identical with magnetic head (1), and its center is the opposed assembling that is in line of coaxial and every pair of permanent magnetism magnetic head with magnetic head (1).
7. compartment winding rotating magnetic field generation device according to claim 1 is characterized in that: the thick 1～5mm of excitation winding outer protective cover (3) has the louvre of a plurality of diameter 1～20mm on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204229100U CN202307400U (en) | 2011-10-31 | 2011-10-31 | Permanent magnet type interval winding rotating magnetic field generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204229100U CN202307400U (en) | 2011-10-31 | 2011-10-31 | Permanent magnet type interval winding rotating magnetic field generation device |
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| Publication Number | Publication Date |
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| CN202307400U true CN202307400U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204229100U Expired - Fee Related CN202307400U (en) | 2011-10-31 | 2011-10-31 | Permanent magnet type interval winding rotating magnetic field generation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899661A (en) * | 2012-09-06 | 2013-01-30 | 燕山大学 | Composite material preparation process |
| CN103440954A (en) * | 2013-09-18 | 2013-12-11 | 柴立民 | Rotating magnetic field generator and method for generating rotating magnetic fields |
| CN107449714A (en) * | 2017-07-25 | 2017-12-08 | 重庆科技学院 | A kind of application method of dynamic magnetic field experimental provision |
| CN111733416A (en) * | 2020-08-03 | 2020-10-02 | 常州江苏大学工程技术研究院 | Device for repairing airplane thin-wall beam through laser deposition and repairing method thereof |
-
2011
- 2011-10-31 CN CN2011204229100U patent/CN202307400U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899661A (en) * | 2012-09-06 | 2013-01-30 | 燕山大学 | Composite material preparation process |
| CN102899661B (en) * | 2012-09-06 | 2014-12-24 | 燕山大学 | Composite material preparation process |
| CN103440954A (en) * | 2013-09-18 | 2013-12-11 | 柴立民 | Rotating magnetic field generator and method for generating rotating magnetic fields |
| CN103440954B (en) * | 2013-09-18 | 2016-07-06 | 安吉司润磁性材料有限公司 | A kind of method that rotating magnetic field generator and rotating excitation field produce |
| CN107449714A (en) * | 2017-07-25 | 2017-12-08 | 重庆科技学院 | A kind of application method of dynamic magnetic field experimental provision |
| CN107449714B (en) * | 2017-07-25 | 2023-02-21 | 重庆科技学院 | Application method of dynamic magnetic field experimental device |
| CN111733416A (en) * | 2020-08-03 | 2020-10-02 | 常州江苏大学工程技术研究院 | Device for repairing airplane thin-wall beam through laser deposition and repairing method thereof |
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Granted publication date: 20120704 Termination date: 20141031 |
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