CN207204963U - A kind of plate electromagnetism hemmer of axial-radial electromagnetic force timesharing loading - Google Patents
A kind of plate electromagnetism hemmer of axial-radial electromagnetic force timesharing loading Download PDFInfo
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- CN207204963U CN207204963U CN201720642610.0U CN201720642610U CN207204963U CN 207204963 U CN207204963 U CN 207204963U CN 201720642610 U CN201720642610 U CN 201720642610U CN 207204963 U CN207204963 U CN 207204963U
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- electromagnetic force
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Abstract
A kind of plate electromagnetism hemmer of axial-radial electromagnetic force timesharing loading, including：Axial electromagnetic force loading coil, radial electromagnetic force loading coil, flanging, cavity plate, capacitor power, axial electromagnetic force loading coil are placed within flanging, and flange workpiece is placed in the upper surface of axial electromagnetic force loading coil and flanging, radial electromagnetic force loading coil is placed in the endoporus of flange workpiece, and cavity plate is placed on flange workpiece；Radial electromagnetic force loading coil and fly-wheel diode differential concatenation, then in parallel with axial electromagnetic force loading coil, capacitor power is the coil power supply connected by discharge switch.The utility model uses the plate electromagnetism flange of axial-radial electromagnetic force timesharing loading, for more existing electromagnetism flange, loaded by substep timesharing, can effectively improve the pad pasting of flange workpiece.
Description
Technical field
The utility model belongs to metal forming manufacturing field, more particularly to a kind of axial direction-radial electromagnetic force timesharing loading
Plate electromagnetism hemmer, it is mainly used in the flange processing of metal sheet.
Background technology
Lightweight is the important technical that energy-saving and emission-reduction are realized in the fields such as Aero-Space, 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 turn into 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, it is one of effective means for solving alloy in lightweight forming difficulty.
In existing plate electromagnetism turn-up process, the driving coil only relied on positioned at side surface of workpiece provides axial electromagnetic force, into
Discharge voltage needed for shape is high, and pad pasting hardly results in guarantee.
Electromagnetism flange is one kind of electromagnetic forming technique, the axial electromagnetic force provided at present by driving coil, pad pasting
Difference.Document " large complicated type face aluminium alloy flange part electro-magnetic forming Plastic Flow behavioral study（Mechanical engineering journal, Vol.
49, No. 24, 2013）" using the plate Plastic Flow behavior under 1 layer, 2 layers and 3 layers plate coil electromagnetism flange, hair
The flange best results of existing 3 layers of plate coil, but still the effect of not up to complete pad pasting；To find out its cause, lattice coil simply increases
Big axial electromagnetic force and do not provide radial electromagnetic force for flange workpiece.Chinese patent " a kind of electromagnetic drive forming method and
Device（CN 102248693 A）" a kind of electromagnetic drive forming method and device are disclosed, driven using pulse-electromagnetic force compound
Drift fast ram workpiece, workpiece and cavity plate pad pasting can be made high, however the utility model be not purely by electromagnetic force into
Shape, but electromagnetic force is transmitted, it is necessary to which punch-pin coordinates with cavity plate by compound punch, and shaping rate substantially reduces.
The content of the invention
Therefore, effectively to solve the problems, such as current electromagnetism flange pad pasting difference, the utility model provides a kind of axial direction-radial direction
The plate electromagnetism hemmer of electromagnetic force timesharing loading, the plate electromagnetism flange loaded using axial direction-radial electromagnetic force timesharing, compared with
For existing electromagnetism flange, loaded by substep timesharing, the pad pasting of flange workpiece can be effectively improved.Meanwhile the utility model
, can using " radial electromagnetic force loading coil and fly-wheel diode differential concatenation, then in parallel with axial electromagnetic force loading coil "
Timesharing loading axial electromagnetic force and radial electromagnetic force are simply and effectively realized, device is simple to operate, and cost is low.
The technical scheme that the utility model is taken is：
A kind of plate electromagnetism hemmer of axial direction-radial electromagnetic force timesharing loading, including：
Axial electromagnetic force loading coil, axial electromagnetic force is provided for the flange workpiece of initial profile；
Radial electromagnetic force loading coil, the flange workpiece after being loaded for axial electromagnetic force provide radial electromagnetic force；
Flanging；
Cavity plate；
With the fly-wheel diode of radial electromagnetic force loading coil differential concatenation；
Capacitor power, energy is provided for axial electromagnetic force loading coil and radial electromagnetic force loading coil.
Axial electromagnetic force loading coil is placed within flanging, and flange workpiece is placed in axial electromagnetic force loading coil and flanging
Upper surface, radial electromagnetic force loading coil are placed in the endoporus of flange workpiece, and cavity plate is placed on flange workpiece；
Radial electromagnetic force loading coil and fly-wheel diode differential concatenation, it is then in parallel with axial electromagnetic force loading coil,
Capacitor power is the coil power supply connected by discharge switch.
The radial electromagnetic force loading coil is hollow cylinder or hollow round table shape.
The height of the radial electromagnetic force loading coil is equal to the flange height of flange workpiece.
The overall diameter of hollow cylinder radial electromagnetic force loading coil or hollow round table shape radial electromagnetic force loading coil compared with
Small overall diameter, equal to the flange thickness of workpiece that flange inner hole of workpiece diameter subtracts twice.
A kind of plate electromagnetism hemmer of axial direction of the utility model-radial electromagnetic force timesharing loading, advantage are：
1. the utility model realizes the plate electromagnetism flange of axial direction-radial electromagnetic force timesharing loading, more traditional flange and
Speech, electro-magnetic forming forming speed is fast, can lift the material forming limit.
2. the utility model is using the plate electromagnetism flange of axial direction-radial electromagnetic force timesharing loading, more existing electromagnetism flange
For, loaded by substep timesharing, the pad pasting of flange workpiece can be effectively improved.
3. the utility model using " radial electromagnetic force loading coil and fly-wheel diode differential concatenation, then with axial electricity
Magnetic force loading coil is in parallel ", it can simply and effectively realize timesharing loading axial electromagnetic force and radial electromagnetic force, device operation letter
Single, cost is low.
Brief description of the drawings
Fig. 1 is the plate electromagnetism hemmer assembling schematic diagram of axial direction-radial electromagnetic force timesharing loading；
Fig. 1（a）For the plate electromagnetism hemmer assembling schematic diagram of axial direction-radial electromagnetic force timesharing loading；
Fig. 1（b）Plate electromagnetism hemmer for axial direction-radial electromagnetic force timesharing loading assembles diagrammatic cross-section.
Fig. 2 is the plate using axial direction-radial electromagnetic force timesharing loading of hollow round table shape radial electromagnetic force loading coil
Electromagnetism hemmer assembling schematic diagram；
Fig. 2（a）For using the plate of the axial direction of hollow round table shape radial electromagnetic force loading coil-radial electromagnetic force timesharing loading
Part electromagnetism hemmer assembling schematic diagram；
Fig. 2（b）For using the plate of the axial direction of hollow round table shape radial electromagnetic force loading coil-radial electromagnetic force timesharing loading
Part electromagnetism hemmer assembles diagrammatic cross-section.
Fig. 3 is the plate electromagnetism method for flanging circuit connection and pulse current signal of axial direction-radial electromagnetic force timesharing loading
Figure；
Fig. 3（a）For the plate electromagnetism method for flanging circuit connection schematic diagram of axial direction-radial electromagnetic force timesharing loading；
Fig. 3（b）The plate electromagnetism method for flanging pulse current schematic diagram of axial direction-radial electromagnetic force timesharing loading.
Fig. 4 is the flange workpiece and its distribution of electromagnetic force schematic diagram of different phase；
Fig. 4（a）Flange workpiece for initial profile and its axial electromagnetic force schematic diagram being subject to；
Fig. 4（b）For the flange workpiece after axial electromagnetic force loading and its radial electromagnetic force schematic diagram being subject to；
Fig. 4（c）Flange workpiece schematic diagram after being loaded for radial electromagnetic force.
Wherein：1. axial electromagnetic force loading coil；2. radial electromagnetic force loading coil；3. flange workpiece；31. initial wheel
Wide flange workpiece；32. the flange workpiece after axial electromagnetic force loading；33. the flange workpiece after radial electromagnetic force loading；4.
Cavity plate；5. flanging；6. fly-wheel diode；7. capacitor power；8. pulse current；81. the arteries and veins of axial electromagnetic force loading coil
Rush electric current；82. the pulse current of radial electromagnetic force loading coil；9. electromagnetic force；91. axial electromagnetic force；92. radial direction electromagnetism
Power.
Embodiment
A kind of plate electromagnetism hemmer of axial direction-radial electromagnetic force timesharing loading, including：
Axial electromagnetic force loading coil 1, it is that the flange workpiece 31 of initial profile provides axial electromagnetic force；
Radial electromagnetic force loading coil 2, radial electromagnetic force is provided for the flange workpiece 32 after axial electromagnetic force loading；
Flanging 5；
Cavity plate 4；
With the fly-wheel diode 6 of the differential concatenation of radial electromagnetic force loading coil 2；
Capacitor power 7, it is that axial electromagnetic force loading coil 1 and radial electromagnetic force loading coil 2 provide energy.
Axial electromagnetic force loading coil 1 is placed within flanging 5, and flange workpiece is placed in axial electromagnetic force loading coil 1 and pressure
The upper surface on side 5, radial electromagnetic force loading coil 2 are placed in the endoporus of flange workpiece, and cavity plate 4 is placed on flange workpiece；
Radial electromagnetic force loading coil 2 and the differential concatenation of fly-wheel diode 6, then with axial electromagnetic force loading coil 1 simultaneously
Connection, capacitor power 7 are the coil power supply connected by discharge switch.
Radial electromagnetic force loading coil 2 is that hollow cylinder is mainly simple possible, is then to coordinate work for hollow round table shape
The shape of part deformation, makes the spacing between workpiece and coil smaller, reaches the higher purpose of coupling efficiency.
The flange height that the height of radial electromagnetic force loading coil 2 is equal to flange workpiece can make radial electromagnetic force generation efficiency
It is high.
The overall diameter of hollow cylinder radial electromagnetic force loading coil or hollow round table shape radial electromagnetic force loading coil compared with
Small overall diameter, it is to prevent from sending out in deformation process equal to the flange thickness of workpiece that flange inner hole of workpiece diameter subtracts twice
Raw geometrical interference.
A kind of plate electromagnetism method for flanging of axial direction-radial electromagnetic force timesharing loading, comprises the following steps：
First, axial electromagnetic force loading coil 1 is placed within flanging 5, and ensure its upper surface flush, by flange workpiece
The upper surface of axial electromagnetic force loading coil 1 and flanging 5 is placed in, by radial electromagnetic force loading coil 2 in the endoporus of flange workpiece
In, and the less one end of the external diameter of radial electromagnetic force loading coil 2 is flushed with the lower surface of flange workpiece, cavity plate 4 is placed in work
On part；
Second, then radial electromagnetic force loading coil 2 and the differential concatenation of fly-wheel diode 6 load with axial electromagnetic force
Coil 1 is in parallel, and capacitor power 7 is the coil power supply connected by discharge switch；
3rd, discharge switch is closed, capacitor power 7 discharges axial electromagnetic force loading coil 1 first, produces axial magnetic
The pulse current of power loading coil 1, pulse current produce inductive loop, pulse current and sense in the flange workpiece of initial profile
Vortex interaction is answered, axial electromagnetic force driving flange workpiece is produced and accelerates and deform, the flange workpiece of initial profile is deformed into
Flange workpiece after axial electromagnetic force loading；
4th, when the voltage of capacitor power 7 is 0, fly-wheel diode 6 turns on automatically, produces radial electromagnetic force loading coil 2
Pulse current, pulse current produces inductive loop in the flange workpiece after axial electromagnetic force loading, pulse current and sensing
Vortex interaction, produce radial electromagnetic force driving flange workpiece and accelerate and deform, the flange workpiece after axial electromagnetic force loading
The flange workpiece being deformed into after radial electromagnetic force loading, completes flange processing.
Pulse current effective load time of axial electromagnetic force loading coil 1 is first half-wave, from 0 to t1 moment；Footpath
It is second half-wave to pulse current effective load time of electromagnetic force loading coil 2, the moment from t1 to t2.Realize point of loading
When, starting the workpiece of state needs to load axial electromagnetic force, therefore when the pulse current of axial electromagnetic force loading coil 1 effectively loads
Between be first half-wave, from 0 to t1 moment；Flange workpiece after axial electromagnetic force loading needs to load radial electromagnetic force, therefore footpath
It is second half-wave to pulse current effective load time of electromagnetic force loading coil 2, the moment from t1 to t2.
Axial electromagnetic force, flange workpiece is set to be deformed into the flange workpiece profile after axial electromagnetic force loading by initial profile；
Radial electromagnetic force, make flange workpiece loaded by axial electromagnetic force after flange workpiece profile be deformed into radial electromagnetic force loading after
Flange workpiece profile.Workpiece flange can be analyzed to axial deformation and radially expanding two processes, divide so the utility model uses
When load axial electromagnetic force and radial electromagnetic force and realize and can effectively improve flange efficiency.Therefore flange workpiece is made using axial electromagnetic force
Flange workpiece profile after axial electromagnetic force loading is deformed into by initial profile；Flange workpiece is made by axial direction using radial electromagnetic force
Flange workpiece profile after electromagnetic force loading is deformed into the flange workpiece profile after radial electromagnetic force loading.
Embodiment 1：
Hollow cylinder radial electromagnetic force loading coil is used as shown in Figure 1, specific steps include：Step 1, will be axially
Electromagnetic force loading coil is placed within flanging, and ensures its upper surface flush, and flange workpiece is placed in into axial electromagnetic force loaded line
Circle and the upper surface of flanging, hollow cylinder radial electromagnetic force loading coil is placed in the endoporus of flange workpiece, and is made radially
The less one end of electromagnetic force loading coil external diameter is flushed with the lower surface of flange workpiece, and cavity plate is placed on workpiece；Second, such as
Fig. 3（a）It is shown, by radial electromagnetic force loading coil and fly-wheel diode differential concatenation, then with axial electromagnetic force loading coil
Parallel connection, capacitor power are the coil power supply connected by discharge switch；3rd, discharge switch is closed, capacitor power is right first
Axial electromagnetic force loading coil is discharged, and produces the pulse current of axial electromagnetic force loading coil, such as Fig. 3（b）It is shown, pulse current
Inductive loop is produced in the flange workpiece of initial profile, pulse current produces axial electromagnetic force with inductive loop interaction and driven
Dynamic flange workpiece accelerates and deformed, and the flange workpiece of initial profile is deformed into the flange workpiece after axial electromagnetic force loading, such as Fig. 4
（b）It is shown；4th, when capacitor power voltage is 0, fly-wheel diode turns on automatically, produces radial electromagnetic force loading coil
Pulse current, such as Fig. 3（b）Shown, pulse current produces inductive loop, pulse in the flange workpiece after axial electromagnetic force loading
Electric current accelerates and deformed with inductive loop interaction generation radial electromagnetic force driving flange workpiece, after axial electromagnetic force loading
Flange workpiece is deformed into the flange workpiece after radial electromagnetic force loading, such as Fig. 4（c）It is shown, complete flange processing.
Embodiment 2：
Hollow round table shape radial electromagnetic force loading coil is used as shown in Figure 2, specific steps include：Step 1, will be axially
Electromagnetic force loading coil is placed within flanging, and ensures its upper surface flush, and flange workpiece is placed in into axial electromagnetic force loaded line
Circle and the upper surface of flanging, hollow round table shape radial electromagnetic force loading coil is placed in the endoporus of flange workpiece, and is made hollow
The less one end of truncated cone-shaped radial electromagnetic force loading coil external diameter flushes with the lower surface of flange workpiece, by cavity plate be placed in workpiece it
On；Second, such as Fig. 3（a）It is shown, by radial electromagnetic force loading coil and fly-wheel diode differential concatenation, then with axial magnetic
Power loading coil is in parallel, and capacitor power is the coil power supply connected by discharge switch；3rd, close discharge switch, electric capacity
Power supply discharges axial electromagnetic force loading coil first, produces the pulse current of axial electromagnetic force loading coil, such as Fig. 3（b）Institute
Show, pulse current produces inductive loop in the flange workpiece of initial profile, and pulse current produces with inductive loop interaction
Axial electromagnetic force driving flange workpiece accelerates and deformed, and the flange workpiece of initial profile is deformed into turning over after axial electromagnetic force loads
Side workpiece, such as Fig. 4（b）It is shown；4th, when capacitor power voltage is 0, fly-wheel diode turns on automatically, produces radial direction electromagnetism
The pulse current of power loading coil, such as Fig. 3（b）Shown, pulse current produces in the flange workpiece after axial electromagnetic force loading
Inductive loop, pulse current accelerate and deformed with inductive loop interaction generation radial electromagnetic force driving flange workpiece, axially
Flange workpiece after electromagnetic force loading is deformed into the flange workpiece after radial electromagnetic force loading, such as Fig. 4（c）It is shown, complete flange
Processing.
Claims (1)
- A kind of 1. plate electromagnetism hemmer of axial direction-radial electromagnetic force timesharing loading, it is characterised in that：Including：Axial electromagnetic force loading coil（1）, for the flange workpiece of initial profile（31）Axial electromagnetic force is provided；Radial electromagnetic force loading coil（2）, for the flange workpiece after axial electromagnetic force loading（32）Radial electromagnetic force is provided；Flanging（5）；Cavity plate（4）；With radial electromagnetic force loading coil（2）The fly-wheel diode of differential concatenation（6）；Capacitor power（7）, it is axial electromagnetic force loading coil（1）With radial electromagnetic force loading coil（2）Energy is provided；Axially electricity Magnetic force loading coil（1）It is placed in flanging（5）Within, flange workpiece is placed in axial electromagnetic force loading coil（1）With flanging（5）It is upper Surface, radial electromagnetic force loading coil（2）It is placed in the endoporus of flange workpiece, cavity plate（4）It is placed on flange workpiece；Radially electricity Magnetic force loading coil（2）With fly-wheel diode（6）Differential concatenation, then with axial electromagnetic force loading coil（1）Parallel connection, electric capacity electricity Source（7）It is the coil power supply connected by discharge switch；The radial electromagnetic force loading coil（2）For hollow cylinder or hollow round table shape；The radial electromagnetic force loading coil of hollow cylinder（2）Overall diameter or hollow round table shape radial electromagnetic force loaded line Circle（2）Less overall diameter, equal to flange workpiece（31）Diameter of bore subtracts twice of flange workpiece（31）Thickness.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720642610.0U CN207204963U (en) | 2017-06-05 | 2017-06-05 | A kind of plate electromagnetism hemmer of axial-radial electromagnetic force timesharing loading |
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| CN201720642610.0U CN207204963U (en) | 2017-06-05 | 2017-06-05 | A kind of plate electromagnetism hemmer of axial-radial electromagnetic force timesharing loading |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116128A (en) * | 2017-06-05 | 2017-09-01 | 三峡大学 | The plate electromagnetism hemmer and method of a kind of axial-radial electromagnetic force timesharing loading |
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- 2017-06-05 CN CN201720642610.0U patent/CN207204963U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116128A (en) * | 2017-06-05 | 2017-09-01 | 三峡大学 | The plate electromagnetism hemmer and method of a kind of axial-radial electromagnetic force timesharing loading |
| CN107116128B (en) * | 2017-06-05 | 2019-09-24 | 三峡大学 | A kind of the plate electromagnetism hemmer and method of axial direction-radial electromagnetic force timesharing load |
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