CN108405700A - A kind of coupling cooled pipe fitting flexibility electromagnetic forming method and device - Google Patents
A kind of coupling cooled pipe fitting flexibility electromagnetic forming method and device Download PDFInfo
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- CN108405700A CN108405700A CN201810284717.1A CN201810284717A CN108405700A CN 108405700 A CN108405700 A CN 108405700A CN 201810284717 A CN201810284717 A CN 201810284717A CN 108405700 A CN108405700 A CN 108405700A
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- 238000010168 coupling process Methods 0.000 title claims abstract description 124
- 230000008878 coupling Effects 0.000 title claims abstract description 121
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 105
- 230000001808 coupling effect Effects 0.000 claims abstract description 3
- 230000002708 enhancing effect Effects 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 40
- 239000010949 copper Substances 0.000 claims description 34
- 229910052802 copper Inorganic materials 0.000 claims description 34
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 239000002356 single layer Substances 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 8
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- 239000004020 conductor Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 238000004804 winding Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 229920002577 polybenzoxazole Polymers 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
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- 238000007493 shaping process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
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- 239000007769 metal material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
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Abstract
A kind of coupling cooled pipe fitting flexibility electromagnetic forming method and device, include the multiturn multilayer main coil for generating impulse magnetic field；It is used to help the flexible electromagnetic force coil of the multiturn multilayer main coil enhancing coupling effect；It takes away the multiturn multilayer main coil heat, realize the coupling cooling coil for allowing the multiturn multilayer main coil to cool down；The compressed air condenser pipe to dissipate for accelerating coupling cooling coil heat；The pulse power, control switch for powering to the multiturn multilayer main coil.The present invention enhances electromagnetic force using flexible electromagnetic force coil, while realizing that the flexibility of electromagnetic force is controllable by its structure；Inductive loop is generated using intercoupling between coupling cooling coil and main coil, the partial heat in main coil is taken away, reduces the Wen Sheng of main coil, achievees the purpose that improve the main coil service life.
Description
Technical field
A kind of coupling cooled pipe fitting flexibility electromagnetic forming method of the present invention and device are applied to metal material processing and lead
Domain.
Background technology
Lightweight is the important technical that energy-saving and emission-reduction are realized in the fields such as aerospace, auto industry.And realize light weight
The main path of change is to use light alloy material, and high-performance aluminium alloy, titanium alloy, magnesium alloy become modern aerospace, vapour
Turner industry etc. realizes light-weighted preferred material；Electro-magnetic forming is a kind of high-speed pulse shaping technique, can greatly improve metal
Material property is one of the effective means for solving alloy in lightweight forming difficulty.
At present during metal tube electro-magnetic forming, the electromagnetic force of pipe fitting by main coil pulse current and pipe fitting induction
Eddy current effect generates, and the distribution of electromagnetic force is difficult control, particularly because main coil end effect leads to pipe fitting electromagnetic force
Axially it is unevenly distributed；In addition, pipe fitting is a single turn closed circuit, and it is inefficient with the electromagnetic coupling of main coil, cause total
Electromagnetic force it is less than normal；Furthermore it is the mechanical strength for reaching certain, main coil generally uses close rich type winding so that its heat radiation energy
Force difference, and then main coil insulation ag(e)ing, service life can be caused to reduce.
Currently, electro-magnetic forming presses workpieces processing type, it is broadly divided into plank electro-magnetic forming and Electromagnetic Forming, the present invention
The technical solution of proposition is mainly for metal tube electro-magnetic forming.Existing electro-magnetic forming patent, as " one kind is used for patent
The collection chinaware device (106853474 A of CN) of magnetic pulse formation ", the present invention provides a kind of collection chinawares using pulse shaping
Method so that the electromagnetic force of generation is concentrated, and component shaping effect is allowed to improve.But only electromagnetic force is allowed more to collect in the patent
In, it can not realize the controllable of electromagnetic force.Patent " a kind of electromagnetic forming device and method (CN106694681 of metal tube
A) ", disclose a kind of radial direction and axial load simultaneously carries out metal tube electromagnetic forming method, use two sets of power supplys and two
Group fitting coils use powers for driving coil, realizes and increases electromagnetic force, increases the forming effect of metal tube.However, this
Method needs more set power supplys, multigroup coil, the coefficient of coup low.A kind of patent " coil radiator (CN 204168702
U) ", a kind of coil radiator is provided, it is ensured that the proper heat reduction of electromagnetic device extends the service life of electromagnetic device.
But the present apparatus includes many parts, installation is complicated, there is stringent limitation to the specification of coil.
Invention content
Based on above-mentioned technical problem, in order to realize the efficiency that is controllable, improving Electromagnetic Forming of pipe fitting electromagnetic force, simultaneously
It reduces the temperature of main coil, improve the service life of main coil, the present invention proposes a kind of coupling cooled pipe fitting flexibility electro-magnetic forming side
Method and device；Electromagnetic force is enhanced using flexible electromagnetic force coil, while realizing that the flexibility of electromagnetic force is controllable by its structure；Profit
Inductive loop is generated with intercoupling between coupling cooling coil and main coil, the partial heat in main coil is taken away, drops
The Wen Sheng of low main coil achievees the purpose that improve the main coil service life.
The technical solution that the present invention takes is：
A kind of coupling cooled pipe fitting flexibility electromagnetic forming method,
(a), when pipe fitting bulging, on the outside of multiturn multilayer main coil, one flexible electromagnetic force coil of arranged at inner side of pipe fitting placement；
Contour radial single layer axial direction multiturn coupling cooling coil is placed on the inside of the main coil；
The axial single layer radial direction multiturn of placement is nestled up with lower part couple cooling coil on the top of the main coil；
It nestles up all coupling cooling coils and places compressed air condenser pipe；
The main coil, flexible electromagnetic force coil, coupling cooling coil, all horizontal coaxially arranged placement of pipe fitting.
Detailed process：
It is closed control switch, pulse current is generated in the main coil, while generating induction whirlpool in flexible electromagnetic force coil
Stream, the electromagnetism power drive flexible electrical magnetic coil between the main coil and flexible electromagnetic force coil accelerate, and shape is also by tooth
Colyliform gradually expands as annular shape；
Bulging occurs for driving pipe fitting during flexible electromagnetic force coil expansion, completes processing；
In addition, be placed in inside the main coil, top, lower part coupling cooling coil in also will produce induced current, band
Part Joule heat in the main coil is walked, the main line coil temperature rise is reduced；The compressed air being placed in simultaneously in coupling cooling coil
Condenser system works, cooling coupling cooling coil.
(b), when tube compression, a flexible electromagnetic force coil is placed on the inside of the main coil of multiturn multilayer, on the outside of pipe fitting；
Contour radial single layer axial direction multiturn coupling cooling coil is placed against on the outside of the main coil；
The axial single layer radial direction multiturn of placement is nestled up with lower part couple cooling coil on the top of the main coil；
It nestles up all coupling cooling coils and places compressed air condenser pipe；
The main coil, flexible electromagnetic force coil, coupling cooling coil, all horizontal coaxially arranged placement of pipe fitting.
Detailed process：
It is closed control switch, pulse current is generated in the main coil, while generating induction whirlpool in flexible electromagnetic force coil
Stream, the electromagnetism power drive flexible electrical magnetic coil between the main coil and flexible electromagnetic force coil accelerate, and shape is also by justifying
Ring-type gradually reduces as gear-like；
Driving pipe fitting is compressed during flexible electromagnetic force coil compression, completes processing；
In addition, be placed in outside the main coil, top, lower part coupling cooling coil in also will produce induced current, band
Part Joule heat in the main coil is walked, the main line coil temperature rise is reduced；The compressed air being placed in simultaneously in coupling cooling coil
Condenser system works, cooling coupling cooling coil.
A kind of coupling cooled pipe fitting flexibility electromagnetic forming device includes the multiturn multilayer master for generating impulse magnetic field
Coil；It is used to help the flexible electromagnetic force coil of the multiturn multilayer main coil enhancing coupling effect；
It takes away the multiturn multilayer main coil heat, realize the coupling cooling line for allowing the multiturn multilayer main coil to cool down
Circle；
The compressed air condenser pipe to dissipate for accelerating coupling cooling coil heat；
The pulse power, control switch for powering to the multiturn multilayer main coil；
The pulse power switchs connection multiturn multilayer main coil, flexible electromagnetic force coil by the control.
Flexible electromagnetic force coil is made by working out band by flexible copper；When pipe fitting bulging, flexible electromagnetic force coil shape is tooth
Colyliform, by main coil electromagnetic force, flexible electromagnetic force coil can be expanded automatically for annulus, again can be extensive after stress
Gear-like is arrived again；When tube compression, by main coil electromagnetic force, strengthened flexible coil can automatic boil down to gear-like,
Annulus can be reverted to after stress again；The flexibility of flexible electromagnetic force coil makes it be not subject to stress.
The flexibility electromagnetic force coil is the self-closing coil of radial single turn, axial multilayer.
Electromagnetism can be controlled by changing the cross-sectional area etc. of the spacing between flexible electromagnetic force coil single turn, single-turn circular coil
Power is distributed.
The coupling cooling coil is copper bare conductor, and radiating efficiency is high.
The coupling cooling coil is the cyclic annular self-closing short-circuited coil of mutually insulated.
The coupling cooling coil is placed on three regions other than main coil shaped region, 3 coupling cooling coil couplings
It closes and generates induced current, multiple support channels take away the heat of main coil, main coil is contributed to cool down.
Compressed air condenser pipe is evenly spaced in all coupling cooling coil surfaces, persistently takes away the heat of coupling cooling coil
Amount.
A kind of coupling cooled pipe fitting flexibility electromagnetic forming method of the present invention and device, compared with existing best technique, this
The advantages of invention, is：
1. the present invention be it is a kind of coupling cooled pipe fitting flexibility electro-magnetic forming method and apparatus, than before pipe fitting electromagnetism at
Flexible electromagnetic force coil, the electromagnetic force bigger suffered by pipe fitting, Electromagnetic Forming effect are added in this pipe fitting processing for shape
Fruit is more preferable.
2. the present invention uses flexible electromagnetic force coil to work out band for flexible metal, uniformly flexible stress, loading process are realized
Middle meeting adjust automatically shape, the flexibility of flexible electromagnetic force coil make it be not subject to stress.
3. the present invention can pass through the cross-sectional area etc. of spacing, single-turn circular coil between the flexible electromagnetic force coil single turn of change
Distribution of electromagnetic force is controlled, keeps the electromagnetic force that it applies controllable.
4. the present invention be it is a kind of coupling cooled pipe fitting flexibility electro-magnetic forming method and apparatus, than before tubular electromagnetism at
Shape couples cooling coil by being placed in each non-shaped region of main coil, can effectively take away the heat of main coil,
The temperature of main coil is reduced, the main coil service life is promoted.
5. the present invention places metal condenser tube using coupling cooling coil is nestled up, it is passed through freon in metal tube, is passed through
Air compressor cycle radiates, and can simply and effectively take away a part of heat, can repeatedly recycle the heat of dissipation main coil
Amount, reduces the temperature of main coil.
6 while also through the spacing changed between flexible electromagnetic force coil single turn and the cross section that changes each single turn of coil
Product, Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are distributed to change coil electromagnetism power, keep its electromagnetic force controllable.
Description of the drawings
Fig. 1 (a) is coupling cooled pipe fitting flexibility electro-magnetic forming structural schematic diagram (bulging).
Fig. 1 (b) is coupling cooled pipe fitting flexibility electro-magnetic forming structural schematic diagram (compression).
Fig. 2 (a) is equidistant circular ring with constant cross section shape flexibility electromagnetic force coil sectional view.
Fig. 2 (b) is not equidistant circular ring shape flexibility electromagnetic force coil sectional view.
Fig. 2 (c) is different cross section annulus flexibility electromagnetic force coil sectional view.
Fig. 3 (a) is equidistant cross-section gear flexible electromagnetic force coil sectional view.
Fig. 3 (b) is not equidistant gear flexible electromagnetic force coil sectional view.
Fig. 3 (c) is different cross section gear flexible electromagnetic force coil sectional view.
Fig. 4 (a) is flexible electromagnetic force coil original state vertical view (bulging).
Fig. 4 (b) is flexible electromagnetic force coil expansion state vertical view (bulging).
Fig. 4 (c) is flexible electromagnetic force coil original state vertical view (compression).
Fig. 4 (d) is flexible electromagnetic force coil compressive state vertical view (compression).
Wherein：
1- multiturn multilayer main coils；
2- flexibility electromagnetic force coils；21- flexibility electromagnetic force coil original states (pipe fitting bulging)；The 22- flexible electrical magnetic lines of force
Extendable cycles state (pipe fitting bulging)；23- flexibility electromagnetic force coil original states (tube compression)；24- flexibility electromagnetic force coil pressures
Contracting state (tube compression)；
3- coupling cooling coils (medial and lateral)；
4- workpiece；
5- compressed air condenser pipes；
6- coupling cooling coils (upside)；
7- coupling cooling coils (downside)；
8- high-voltage pulse power sources；
9- control switches.
Specific implementation mode
Using the coupling cooled pipe fitting flexibility electromagnetic forming method, including following two different forming modes：
A, radial bulging formula Electromagnetic Forming and cool-down method：It is closed control switch, pulse current is generated in main coil,
Inductive loop, the electromagnetism power drive flexible electrical between main coil and flexible electromagnetic force coil are generated in flexible electromagnetic force coil simultaneously
Magnetic coil accelerates, and shape is also gradually expanded by gear-like as annular shape；It is driven during flexible electromagnetic force coil expansion
Bulging occurs for pipe fitting, completes processing.In addition, be placed in inside main coil, top, lower part coupling cooling coil in also will produce
Induced current takes away part Joule heat in main coil, reduces main line coil temperature rise；It is placed in the pressure of coupling cooling coil surface simultaneously
Contracting air setting system works, cooling coupling cooling coil.
B, radial compression Electromagnetic Forming and cool-down method：It is closed control switch, pulse current is generated in main coil,
Inductive loop, the electromagnetism power drive flexible electrical between main coil and flexible electromagnetic force coil are generated in flexible electromagnetic force coil simultaneously
Magnetic coil accelerates, and shape is also gradually reduced by annular shape as gear-like；It is driven during flexible electromagnetic force coil compression
Pipe fitting compresses, and completes processing.In addition, be placed in outside main coil, top, lower part coupling cooling coil in also will produce
Induced current takes away part Joule heat in main coil, reduces main line coil temperature rise；It is placed in the pressure of coupling cooling coil surface simultaneously
Contracting air setting system works, cooling coupling cooling coil.
Simultaneously also through the spacing changed between flexible electromagnetic force coil single turn and the cross-sectional area that changes each single turn of coil,
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are distributed to change coil electromagnetism power, keep its electromagnetic force controllable.
Specific implementation mode：
Embodiment 1：
" band equidistantly with section flexibility electromagnetic force coil and coupling cooling coil coupling cooled pipe fitting flexibility electromagnetism at
Shape (pipe fitting bulging) " embodiment：
As shown in Fig. 1 (a), a copper conductor coils group (mutual insulating between copper wire, in coil for being coiled into 10 layers of 8 circle is needed
The skeleton in face is epoxy resin board, is reinforced with novel ultra high strength fiber Zylon packages outside copper coil).Need copper litz wire
8 layers of self-closing flexibility electromagnetic force coil of single turn in the equidistant same section of coiling, are close to main coil outer surface, coil around
Shown in shape processed such as Fig. 3 (a), with main coil coupling process, shape is also gradually expanded by gear-like flexible electromagnetic force coil
To be circular such as Fig. 2 (a).Cooled down as coupling using the equidistant self-closing circular ring shape tubular coil of copper litz wire coiling
Coil, winding method is 10 layers of 2 circle, contour with main coil, is placed against on the inside of main coil；2 copper are needed to work out 7 circle lists
Self-closing coupling cooling coil is placed against right over the main coil and underface layer at equal intervals, and main coil is concentric places.
Formed tubular workpiece is placed on the outside of flexible electromagnetic force coil, and is allowed to the gap for having a 5mm with flexible electromagnetic force coil.It will
The all horizontal coaxially arranged placement of said elements；By high-voltage pulse power source, control switch is connected with main coil.Control is opened to open
It closes, the pulse power discharges to main coil, mutual between the pulse current of main coil and the induced current of flexible electromagnetic force coil
Effect, flexible electromagnetic force coil state are become expanding shape from the original state 21 in Fig. 4 (a), Fig. 4 (b), Fig. 4 (c), Fig. 4 (d)
State 22 drives flexible electromagnetic force coil to accelerate and be allowed to drive Forming Workpiece and complete to shape；3 coupling cooling coils are simultaneously
The Joule heat that induced current transfer main coil generates is generated, the temperature of main coil is made to reduce, and is put in coupling cooling coil surface
Metal condenser tube is set, the heat of coupling cooling coil can be taken away again by compressed air condensation cycle system, enable repetition
Cooling main coil.
Embodiment 2：
" the coupling cooled pipe fitting flexibility electro-magnetic forming of band not equidistant flexible electromagnetic force coil and coupling cooling coil
(pipe fitting bulging) " embodiment：
As shown in Fig. 1 (a), a copper conductor coils group (mutual insulating between copper wire, in coil for being coiled into 10 layers of 8 circle is needed
The skeleton in face is epoxy resin board, is reinforced with novel ultra high strength fiber Zylon packages outside copper coil).Need copper litz wire
8 layers of self-closing flexibility electromagnetic force coil of not equidistant single turn of coiling, are close to main coil outer surface, coil winding shape
Shown in shape such as Fig. 3 (b), with main coil coupling process, shape is also gradually expanded by gear-like as circle flexible electromagnetic force coil
Cyclic annular such as Fig. 2 (b).Coupling cooling coil is used as using the equidistant self-closing circular ring shape tubular coil of copper litz wire coiling,
Winding method is 10 layers of 2 circle, contour with main coil, is placed against on the inside of main coil；Between needing 2 copper to work out 7 circle single layers etc.
Away from self-closing coupling cooling coil be placed against right over the main coil and underface, and main coil is concentric places.It will forming
Tubular workpiece is placed on the outside of flexible electromagnetic force coil, and is allowed to the gap for having a 5mm with flexible electromagnetic force coil.By above-mentioned member
The all horizontal coaxially arranged placement of part；By high-voltage pulse power source, control switch is connected with main coil.Open control switch, pulse
Power supply discharges to main coil, the interaction between the pulse current of main coil and the induced current of flexible electromagnetic force coil, soft
Property electromagnetic force coil state expansion state 22 is become from the original state 21 in Fig. 4 (a), Fig. 4 (b), Fig. 4 (c), Fig. 4 (d), drive
Dynamic flexibility electromagnetic force coil accelerates and is allowed to drive Forming Workpiece and completes to shape；3 coupling cooling coils generate induction simultaneously
Electric current shifts the Joule heat that main coil generates, and the temperature of main coil is made to reduce, and it is cold to place metal in coupling cooling coil surface
The heat of solidifying pipe, coupling cooling coil can be taken away again by compressed air condensation cycle system, enable the cooling main line repeated
Circle.
Embodiment 3：
" the coupling cooled pipe fitting flexibility electro-magnetic forming with unequal section flexibility electromagnetic force coil and coupling cooling coil
(pipe fitting bulging) " embodiment：
As shown in Fig. 1 (a), a copper conductor coils group (mutual insulating between copper wire, in coil for being coiled into 10 layers of 8 circle is needed
The skeleton in face is epoxy resin board, is reinforced with novel ultra high strength fiber Zylon packages outside copper coil).Need copper litz wire
8 layers of self-closing flexibility electromagnetic force coil of single turn of the different cross section of coiling, are close to main coil outer surface, coil winding shape
Shown in shape such as Fig. 3 (c), with main coil coupling process, shape is also gradually expanded by gear-like as circle flexible electromagnetic force coil
Cyclic annular such as Fig. 2 (c).Coupling cooling coil is used as using the equidistant self-closing circular ring shape tubular coil of copper litz wire coiling,
Winding method is 10 layers of 2 circle, contour with main coil, is placed against on the inside of main coil；Between needing 2 copper to work out 7 circle single layers etc.
Away from self-closing coupling cooling coil be placed against right over the main coil and underface, and main coil is concentric places.It will forming
Tubular workpiece is placed on the outside of flexible electromagnetic force coil, and is allowed to the gap for having a 5mm with flexible electromagnetic force coil.By above-mentioned member
The all horizontal coaxially arranged placement of part；By high-voltage pulse power source, control switch is connected with main coil.Open control switch, pulse
Power supply discharges to main coil, the interaction between the pulse current of main coil and the induced current of flexible electromagnetic force coil, soft
Property electromagnetic force coil state expansion state 22 is become from the original state 21 in Fig. 4 (a), Fig. 4 (b), Fig. 4 (c), Fig. 4 (d), drive
Dynamic flexibility electromagnetic force coil accelerates and is allowed to drive Forming Workpiece and completes to shape；3 coupling cooling coils generate induction simultaneously
Electric current shifts the Joule heat that main coil generates, and the temperature of main coil is made to reduce, and it is cold to place metal in coupling cooling coil surface
The heat of solidifying pipe, coupling cooling coil can be taken away again by compressed air condensation cycle system, enable the cooling main line repeated
Circle.
Embodiment 4：
" band equidistantly with section flexibility electromagnetic force coil and coupling cooling coil coupling cooled pipe fitting flexibility electromagnetism at
Shape (tube compression) " embodiment：
As shown in Fig. 1 (b), a copper conductor coils group (mutual insulating between copper wire, in coil for being coiled into 10 layers of 8 circle is needed
The skeleton in face is epoxy resin board, is reinforced with novel ultra high strength fiber Zylon packages outside copper coil).Need copper litz wire
8 layers of self-closing flexibility electromagnetic force coil of single turn in the equidistant same section of coiling, are close to be placed on the inner surface of main coil,
Shown in coil winding shape such as Fig. 2 (a), by electromagnetic force shape by circular boil down to gear-like such as Fig. 3 (a).It is woven using copper
The equidistant self-closing circular ring shape tubular coil of line coiling is as coupling cooling coil, and winding method is 10 layers of 2 circle, with master
Coil is contour, is placed on the outside of main coil；It needs 2 copper to work out the equidistant self-closing coupling cooling coil of 7 circle single layers to abut
It is positioned over right over main coil and underface, and main coil is concentric places.Formed tubular workpiece is placed in flexible electromagnetic force coil
Inside, and it is allowed to the gap for having a 5mm with flexible electromagnetic force coil.By all horizontal coaxially arranged placement of said elements；By high pressure
The pulse power, control switch, connects with main coil.Control switch is opened, the pulse power discharges to main coil, the arteries and veins of main coil
The interaction between electric current and the induced current of flexible electromagnetic force coil is rushed, flexible electromagnetic force coil state is by Fig. 4 (a), figure
Original state 23 in 4 (b), Fig. 4 (c), Fig. 4 (d) becomes compressive state 24, and flexible electromagnetic force coil is driven to accelerate and be allowed to
Driving Forming Workpiece simultaneously is completed to shape；3 coupling cooling coils generate the joule that induced current transfer main coil generates simultaneously
Heat makes the temperature of main coil reduce, and places metal condenser tube, the heat of coupling cooling coil in coupling cooling coil surface
It can be taken away again by compressed air condensation cycle system, enable the cooling main coil repeated.
Embodiment 5：
" the coupling cooled pipe fitting flexibility electro-magnetic forming of band not equidistant flexible electromagnetic force coil and coupling cooling coil
(tube compression) " embodiment：
As shown in Fig. 1 (b), a copper conductor coils group (mutual insulating between copper wire, in coil for being coiled into 10 layers of 8 circle is needed
The skeleton in face is epoxy resin board, is reinforced with novel ultra high strength fiber Zylon packages outside copper coil).Need copper litz wire
8 layers of self-closing flexibility electromagnetic force coil of not equidistant single turn of coiling, are close to be placed on the inner surface of main coil, coil
Shown in coiling shape such as Fig. 2 (b), by electromagnetic force shape by circular boil down to gear-like such as Fig. 3 (b).Using copper litz wire around
The equidistant self-closing circular ring shape tubular coil of system is as coupling cooling coil, and winding method is 10 layers of 2 circle, with main coil
It is contour, it is placed on the outside of main coil；It needs 2 copper to work out the equidistant self-closing coupling cooling coil of 7 circle single layers to be placed against
Right over the main coil and underface, and main coil is concentric places.Formed tubular workpiece is placed in flexible electromagnetic force coil
Side, and it is allowed to the gap for having a 5mm with flexible electromagnetic force coil.By all horizontal coaxially arranged placement of said elements；By high-tension pulse
Power supply is rushed, control switch is connected with main coil.Control switch is opened, the pulse power discharges to main coil, the pulse of main coil
Interaction between electric current and the induced current of flexible electromagnetic force coil, flexible electromagnetic force coil state is by Fig. 4 (a), Fig. 4
(b), the original state 23 in Fig. 4 (c), Fig. 4 (d) becomes compressive state 24, and flexible electromagnetic force coil is driven to accelerate and be allowed to drive
Dynamic Forming Workpiece simultaneously is completed to shape；3 coupling cooling coils generate the Joule heat that induced current transfer main coil generates simultaneously,
So that the temperature of main coil is reduced, and metal condenser tube, the heat meeting again of coupling cooling coil are placed in coupling cooling coil surface
It is taken away by compressed air condensation cycle system, enables the cooling main coil repeated.
Embodiment 6：
" the coupling cooled pipe fitting flexibility electro-magnetic forming with different cross section flexibility electromagnetic force coil and coupling cooling coil
(tube compression) " embodiment：
As shown in Fig. 1 (b), a copper conductor coils group (mutual insulating between copper wire, in coil for being coiled into 10 layers of 8 circle is needed
The skeleton in face is epoxy resin board, is reinforced with novel ultra high strength fiber Zylon packages outside copper coil).Need copper litz wire
8 layers of self-closing flexibility electromagnetic force coil of single turn of the different cross section of coiling, are close to be placed on the inner surface of main coil, coil
Shown in coiling shape such as Fig. 2 (c), by electromagnetic force shape by circular boil down to gear-like such as Fig. 3 (c).Using copper litz wire around
The equidistant self-closing circular ring shape tubular coil of system is as coupling cooling coil, and winding method is 10 layers of 2 circle, with main coil
It is contour, it is placed on the outside of main coil；It needs 2 copper to work out the equidistant self-closing coupling cooling coil of 7 circle single layers to be placed against
Right over the main coil and underface, and main coil is concentric places.Formed tubular workpiece is placed in flexible electromagnetic force coil
Side, and it is allowed to the gap for having a 5mm with flexible electromagnetic force coil.By all horizontal coaxially arranged placement of said elements；By high-tension pulse
Power supply is rushed, control switch is connected with main coil.Control switch is opened, the pulse power discharges to main coil, the pulse of main coil
Interaction between electric current and the induced current of flexible electromagnetic force coil, flexible electromagnetic force coil state is by Fig. 4 (a), Fig. 4
(b), the original state 23 in Fig. 4 (c), Fig. 4 (d) becomes compressive state 24, and flexible electromagnetic force coil is driven to accelerate and be allowed to drive
Dynamic Forming Workpiece simultaneously is completed to shape；3 coupling cooling coils generate the Joule heat that induced current transfer main coil generates simultaneously,
So that the temperature of main coil is reduced, and metal condenser tube, the heat meeting again of coupling cooling coil are placed in coupling cooling coil surface
It is taken away by compressed air condensation cycle system, enables the cooling main coil repeated.
Claims (10)
1. a kind of coupling cooled pipe fitting flexibility electromagnetic forming method, it is characterised in that：
When pipe fitting bulging, on the outside of multiturn multilayer main coil, one flexible electromagnetic force coil of arranged at inner side of pipe fitting placement；
Contour radial single layer axial direction multiturn coupling cooling coil is placed on the inside of the main coil；
The axial single layer radial direction multiturn of placement is nestled up with lower part couple cooling coil on the top of the main coil；
It nestles up all coupling cooling coils and places compressed air condenser pipe；
The main coil, flexible electromagnetic force coil, coupling cooling coil, all horizontal coaxially arranged placement of pipe fitting；
Detailed process：
It is closed control switch (9), pulse current is generated in the main coil, while generating induction whirlpool in flexible electromagnetic force coil
Stream, the electromagnetism power drive flexible electrical magnetic coil between the main coil and flexible electromagnetic force coil accelerate, and shape is also by tooth
Colyliform gradually expands as annular shape；
Bulging occurs for driving pipe fitting during flexible electromagnetic force coil expansion, completes processing；
In addition, be placed in inside the main coil, top, lower part coupling cooling coil in also will produce induced current, take away institute
Part Joule heat in main coil is stated, the main line coil temperature rise is reduced；The compressed air condensation being placed in simultaneously in coupling cooling coil
System works, cooling coupling cooling coil.
2. a kind of coupling cooled pipe fitting flexibility electromagnetic forming method, it is characterised in that：
When tube compression, a flexible electromagnetic force coil is placed on the inside of the main coil of multiturn multilayer, on the outside of pipe fitting；In the main line
Circle outside is placed against contour radial single layer axial direction multiturn coupling cooling coil；
The axial single layer radial direction multiturn of placement is nestled up with lower part couple cooling coil on the top of the main coil；
It nestles up all coupling cooling coils and places compressed air condenser pipe；
The main coil, flexible electromagnetic force coil, coupling cooling coil, all horizontal coaxially arranged placement of pipe fitting；
Detailed process：
It is closed control switch (9), pulse current is generated in the main coil, while generating induction whirlpool in flexible electromagnetic force coil
Stream, the electromagnetism power drive flexible electrical magnetic coil between the main coil and flexible electromagnetic force coil accelerate, and shape is also by justifying
Ring-type gradually reduces as gear-like；
Driving pipe fitting is compressed during flexible electromagnetic force coil compression, completes processing；
In addition, be placed in outside the main coil, top, lower part coupling cooling coil in also will produce induced current, take away institute
Part Joule heat in main coil is stated, the main line coil temperature rise is reduced；The compressed air condensation being placed in simultaneously in coupling cooling coil
System works, cooling coupling cooling coil.
3. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device, it is characterised in that：
It include the multiturn multilayer main coil (1) for generating impulse magnetic field；
It is used to help the flexible electromagnetic force coil (2) of multiturn multilayer main coil (1) the enhancing coupling effect；
It takes away multiturn multilayer main coil (1) heat, realize the coupling cooling line for allowing the multiturn multilayer main coil (1) to cool down
Circle；
The compressed air condenser pipe (5) to dissipate for accelerating coupling cooling coil heat；
The pulse power, control switch (9) for giving multiturn multilayer main coil (1) power supply；
The pulse power switchs (9) by the control and connects multiturn multilayer main coil (1), flexible electromagnetic force coil (2).
4. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device according to claim 3, it is characterised in that：In the master
Contour radial single layer axial direction multiturn coupling cooling coil is placed against on the outside of coil；In the top of the main coil, lower part
The axial single layer radial direction multiturn coupling cooling coil of placement is not nestled up.
5. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device according to claim 3, it is characterised in that：Nestle up institute
There is coupling cooling coil to place compressed air condenser pipe (5).
6. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device according to claim 3, it is characterised in that：The main line
Circle, flexible electromagnetic force coil, coupling cooling coil, all horizontal coaxially arranged placement of pipe fitting.
7. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device according to claim 3, it is characterised in that：The flexibility
Electromagnetic force coil (2) is the self-closing coil of radial single turn, axial multilayer.
8. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device according to claim 3, it is characterised in that：The coupling
Cooling coil is copper bare conductor.
9. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device according to claim 3, it is characterised in that：The coupling
Cool down the cyclic annular self-closing short-circuited coil that coil is mutually insulated.
10. a kind of coupling cooled pipe fitting flexibility electromagnetic forming device according to claim 3, it is characterised in that：Flexible electrical
Magnetic coil is made by working out band by flexible copper；
When pipe fitting bulging, flexible electromagnetic force coil shape is gear-like, by main coil electromagnetic force, flexible electromagnetic force coil
It can expansion be automatically annulus, gear-like can be restored to again after stress；
When tube compression, by main coil electromagnetic force, flexible electromagnetic force coil can automatic boil down to gear-like, in stress knot
Annulus can be reverted to after beam again；The flexibility of flexible electromagnetic force coil makes it be not subject to stress.
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| CN201810284717.1A CN108405700B (en) | 2018-04-02 | 2018-04-02 | Flexible electromagnetic forming method and device for coupling cooling type pipe fitting |
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| CN201810284717.1A CN108405700B (en) | 2018-04-02 | 2018-04-02 | Flexible electromagnetic forming method and device for coupling cooling type pipe fitting |
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Cited By (2)
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| CN111014419A (en) * | 2019-12-23 | 2020-04-17 | 华中科技大学 | Device for decoupling electric effect in electromagnetic forming process |
| CN112259315A (en) * | 2020-09-30 | 2021-01-22 | 重庆普尔萨科技有限公司 | Heat dissipation system for electromagnetic forming coil |
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|---|---|
| CN108405700B (en) | 2024-04-19 |
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