CN208195344U - A kind of plate electromagnetism hemmer of vertical repulsive force-radial direction suction timesharing load - Google Patents
A kind of plate electromagnetism hemmer of vertical repulsive force-radial direction suction timesharing load Download PDFInfo
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- CN208195344U CN208195344U CN201820454211.6U CN201820454211U CN208195344U CN 208195344 U CN208195344 U CN 208195344U CN 201820454211 U CN201820454211 U CN 201820454211U CN 208195344 U CN208195344 U CN 208195344U
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Abstract
A kind of plate electromagnetism hemmer of vertical repulsive force-radial direction suction timesharing load, including axial electromagnetic force loading coil, radial electromagnetic force loading coil, capacitor power, flanging, cavity plate；Axial electromagnetic force loading coil is 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 embedded in cavity plate, and cavity plate is placed on flange workpiece；It is radial electromagnetic force loading coil and freewheeling diode differential concatenation, then in parallel with axial electromagnetic force loading coil.The utility model can simply and effectively realize timesharing load axial electromagnetic force and radial electromagnetic force, device is easy to operate, at low cost using " radial electromagnetic force loading coil and freewheeling diode differential concatenation, then in parallel with axial electromagnetic force loading coil ".
Description
Technical field
The utility model belongs to metal forming manufacturing field, in particular to a kind of vertical repulsive force-radial direction suction timesharing load
Plate electromagnetism hemmer, be mainly used for the flange processing of metal sheet.
Background technique
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 using 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 light alloy forming difficulty.
Electromagnetism flange is one kind of electromagnetic forming technique, the axial electromagnetic force provided at present by driving coil, pad pasting
Difference.Be in particular in: in existing plate electromagnetism turn-up process, the driving coil only relied on positioned at side surface of workpiece provides axial magnetic
It is high to shape required discharge voltage for power, and pad pasting hardly results in guarantee.
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 row under 1 layer, 2 layers and 3 layers plate coil electromagnetism flange
For, it is found that the flange effect of 3 layers of plate coil is best, but still the effect of not up to complete pad pasting；To find out its cause, lattice coil is only
It is increased axial electromagnetic force and does not provide radial electromagnetic force for flange workpiece.A kind of Chinese patent " electromagnetic drive forming side
Method and device (102248693 A of CN) " discloses a kind of electromagnetic drive forming method and device, using pulse electromagnetic power drive
Compound punch fast ram workpiece can make workpiece and cavity plate pad pasting high, however the utility model is not purely by electromagnetism
Power forming, but electromagnetic force is transmitted by compound punch, need punch-pin and cavity plate to cooperate, and shaping rate is substantially reduced.
Summary of the invention
In existing plate electromagnetism turn-up process, the driving coil only relied on positioned at side surface of workpiece provides axial electromagnetic force, at
Discharge voltage needed for shape is high, and pad pasting hardly results in guarantee.For this purpose, effectively to solve current electromagnetism flange pad pasting difference
Problem, the utility model provides a kind of plate electromagnetism hemmer of vertical repulsive force-radial direction suction timesharing load, using axial reprimand
The plate electromagnetism flange of power-radial direction suction timesharing load for more existing electromagnetism flange, is loaded by substep timesharing, can be effective
Improve the pad pasting of flange workpiece.Meanwhile the utility model uses: radial electromagnetic force loading coil is reversely gone here and there with freewheeling diode
Connection, it is then in parallel with axial electromagnetic force loading coil, it can simply and effectively realize timesharing load axial electromagnetic force and radial electromagnetism
Power, device is easy to operate, at low cost.
The technical solution that the utility model is taken are as follows:
A kind of plate electromagnetism hemmer of vertical repulsive force-radial direction suction timesharing load, comprising:
The axial electromagnetic force loading coil of vertical repulsive force is provided for the flange workpiece of initial profile；
The radial electromagnetic force loading coil of radial suction is provided for the flange workpiece after axial electromagnetic force load；
The capacitor power of energy is provided for axial electromagnetic force loading coil, radial electromagnetic force loading coil；
For fixing the flanging of the edge of work；
For limiting the cavity plate of the final deformable contour of workpiece；
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 is embedded in cavity plate, and cavity plate is placed on flange workpiece；
It is radial electromagnetic force loading coil and freewheeling diode differential concatenation, then in parallel with axial electromagnetic force loading coil.
Radial electromagnetic force loading coil is hollow cylinder or hollow round table shape, is embedded into cavity plate, radial electricity by processing
Magnetic force loading coil lower part is flushed with cavity plate lower surface.Convenient for tooling and fixed radial electromagnetic force loading coil.
The interior diameter of the radial electromagnetic force loading coil of hollow cylinder or the radial electromagnetic force load of hollow round table shape
The lesser interior diameter of coil is less than cavity plate overall diameter, and radial electromagnetic force loading coil overall diameter is equal to cavity plate overall diameter.Make radial direction
Electromagnetic force loading coil is embedded in cavity plate completely.Convenient for tooling and fixed radial electromagnetic force loading coil.
The height of the radial electromagnetic force loading coil is equal to the flange height of flange workpiece.Cover radial electromagnetic repulsion force
The flange height of entire flange workpiece.
The inductance of axial electromagnetic force loading coil of the inductance of the radial electromagnetic force loading coil more than or equal to 10 times.Make
System inductance becomes larger when radial electromagnetic force loading coil is connected, and does not generate new inductive loop, by initial inductive loop with
The effect of radial electromagnetic force loading coil generates axial magnetic suction.
A kind of plate electromagnetism method for flanging of vertical repulsive force-radial direction suction timesharing load, comprising the following steps:
Step 1: axial electromagnetic force loading coil being placed within flanging, and guarantees that its upper surface flushes, by flange workpiece
It is placed in the upper surface of axial electromagnetic force loading coil and flanging, by radial electromagnetic force loading coil by processing insertion cavity plate, and
It flushes the biggish one end of radial electromagnetic force loading coil internal diameter with the lower surface of flange workpiece, radial electromagnetic force will be embedded with and added
The cavity plate for carrying coil is placed on workpiece；
Step 2: by radial electromagnetic force loading coil and freewheeling diode differential concatenation, then with axial electromagnetic force loaded line
Circle is in parallel, and capacitor power is the coil power supply connected by discharge switch；
Step 3: closure discharge switch, capacitor power first discharge to axial electromagnetic force loading coil, generate axial magnetic
The pulse current of power loading coil, pulse current generate inductive loop, pulse current and sense in the flange workpiece of initial profile
Vortex interaction is answered, axial magnetic power drive flange workpiece is generated and accelerates and deform, the flange workpiece of initial profile is deformed into
Flange workpiece after axial electromagnetic force load；
Step 4: when capacitor power voltage is 0, freewheeling diode is connected automatically, generates the arteries and veins of radial electromagnetic force loading coil
Electric current is rushed, pulse current is identical as inductive loop direction in workpiece, generates radial suction driving flange workpiece and accelerates and deform, complete
At pad pasting process, flange processing is completed.
Vertical repulsive force effective load time of the axial electromagnetic force loading coil is first half-wave, from 0 to t1 moment；
Radial suction effective load time of radial electromagnetic force loading coil is second half-wave, the moment from t1 to t2.Realize electromagnetic force
Timesharing load, when original state, needs axial magnetic repulsion, so axial electromagnetic force loading coil is connected from 0 to the t1 moment；When
Radial electromagnetic attraction is needed after workpiece deformation to a certain extent, so radial electromagnetic force loaded line is connected in the moment from t1 to t2
Circle.
Vertical repulsive force makes flange workpiece be deformed into the flange workpiece profile after axial electromagnetic force load by initial profile；It is radial
Flange workpiece profile after suction loads flange workpiece by axial electromagnetic force is deformed into the flange work after radial electromagnetic force load
Part profile.Realize electromagnetic force timesharing load, when original state needs axial magnetic repulsion, so by axial electromagnetic force loading coil
Generate axial electromagnetic force repulsion；Radial electromagnetic attraction is needed after workpiece deforms to a certain extent, so by radial electromagnetic force
Loading coil generates radial electromagnetic attraction.
Compared with existing best technique, a kind of vertical repulsive force of the utility model-radial direction suction timesharing load plate electromagnetism
Hemmer, the advantages of be:
1. the utility model realizes vertical repulsive force-radial direction suction timesharing load plate electromagnetism flange, more traditional flange
For, electro-magnetic forming forming speed is fast, can promote the material forming limit.
2. the utility model is turned over using vertical repulsive force-radial direction suction timesharing load plate electromagnetism flange, more existing electromagnetism
It for side, is 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 freewheeling diode differential concatenation, then with axial electricity
Magnetic force loading coil is in parallel ", it can simply and effectively realize timesharing load axial electromagnetic force and radial electromagnetic force, device operation letter
It is single, it is at low cost.
Detailed description of the invention
Fig. 1 (a) is vertical repulsive force-radial direction suction timesharing load plate electromagnetism hemmer assembling schematic diagram.
Fig. 1 (b) is that vertical repulsive force-radial direction suction timesharing load plate electromagnetism hemmer assembles diagrammatic cross-section.
Fig. 2 (a) is vertical repulsive force-radial direction suction timesharing load plate using truncated cone-shaped radial electromagnetic force loading coil
Electromagnetism hemmer assembling schematic diagram.
Fig. 2 (b) is vertical repulsive force-radial direction suction timesharing load plate using truncated cone-shaped radial electromagnetic force loading coil
Electromagnetism hemmer assembles diagrammatic cross-section.
Fig. 3 (a) is vertical repulsive force-radial direction suction timesharing load plate electromagnetism method for flanging circuit connection schematic diagram.
Fig. 3 (b) vertical repulsive force-radial direction suction timesharing load plate electromagnetism method for flanging pulse current schematic diagram.
Fig. 4 (a) is the flange workpiece of initial profile and its vertical repulsive force schematic diagram that is subject to.
Fig. 4 (b) is the flange workpiece after axial electromagnetic force load and its radial suction schematic diagram being subject to.
Fig. 4 (c) is the flange workpiece schematic diagram after radial electromagnetic force load.
Wherein:
1. axial electromagnetic force loading coil；2. radial electromagnetic force loading coil；3. flange workpiece；
31. the flange workpiece of initial profile；32. the flange workpiece after axial electromagnetic force load；33. radial electromagnetic force adds
Flange workpiece after load；
4. cavity plate；5. flanging；6. freewheeling diode；7. capacitor power；8. pulse current；
81. the pulse current of axial electromagnetic force loading coil；82. the pulse current of radial electromagnetic force loading coil；
9. vertical repulsive force；10. radial suction.
Specific embodiment
Embodiment one:
As shown in Fig. 1 (a), Fig. 1 (b), using cylindrical radial electromagnetic force loading coil, specific steps include: step 1,
Axial electromagnetic force loading coil is placed within flanging, and guarantees that its upper surface flushes, flange workpiece is placed in axial electromagnetic force
The upper surface of loading coil and flanging by radial electromagnetic force loading coil by processing insertion cavity plate outside, and adds electromagnetic force
The lower end for carrying coil is flushed with the lower surface of flange workpiece, by cavity plate (embed radial electromagnetic force loading coil) be placed in workpiece it
On；Second, as shown in Fig. 3 (a), by radial electromagnetic force loading coil and freewheeling 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；Third is closed discharge switch, capacitor
Power supply first discharges to axial electromagnetic force loading coil, generates pulse current (Fig. 3 (b) institute of axial electromagnetic force loading coil
Show), pulse current generates inductive loop in the flange workpiece of initial profile, and pulse current and inductive loop interaction generate
Vertical repulsive force driving flange workpiece accelerates and deforms, and the flange workpiece of initial profile is deformed into the flange after axial electromagnetic force load
Workpiece, as shown in Figure 4 (b)；4th, when capacitor power voltage is 0, freewheeling diode is connected automatically, generates radial electromagnetic force
The pulse current (shown in Fig. 3 (b)) of loading coil, pulse current is identical as the inductive loop direction in workpiece, generates radial inhale
Power drive flange workpiece accelerates and deforms, and completes pad pasting process, and as shown in Figure 4 (c), flange processing is completed.
Embodiment two:
As shown in Fig. 2 (a), Fig. 2 (b), using truncated cone-shaped radial electromagnetic force loading coil, specific steps include: step 1,
Axial electromagnetic force loading coil is placed within flanging, and guarantees that its upper surface flushes, flange workpiece is placed in axial electromagnetic force
The upper surface of loading coil and flanging by radial electromagnetic force loading coil by processing insertion cavity plate outside, and makes radial electromagnetism
The biggish one end of power loading coil internal diameter is flushed with the lower surface of flange workpiece, by cavity plate (embedded radial electromagnetic force loading coil)
It is placed on workpiece；Second, as shown in Fig. 3 (a), by radial electromagnetic force loading coil and freewheeling diode differential concatenation, then
In parallel with axial electromagnetic force loading coil, capacitor power is the coil power supply connected by discharge switch；Third, closure electric discharge
Switch, capacitor power first discharge to axial electromagnetic force loading coil, generate the pulse current (figure of axial electromagnetic force loading coil
Shown in 3(b)), pulse current generates inductive loop, pulse current and inductive loop phase interaction in the flange workpiece of initial profile
Accelerated and deformed with generation vertical repulsive force driving flange workpiece, after the flange workpiece of initial profile is deformed into axial electromagnetic force load
Flange workpiece, as shown in Figure 4 (b)；4th, when capacitor power voltage is 0, freewheeling diode is connected automatically, generates radial
The pulse current (shown in Fig. 3 (b)) of electromagnetic force loading coil, pulse current is identical as the inductive loop direction in workpiece, generates
Radial suction driving flange workpiece accelerates and deforms, and completes pad pasting process, and as shown in Figure 4 (c), flange processing is completed.
Claims (5)
1. a kind of vertical repulsive force-radial direction suction timesharing load plate electromagnetism hemmer, characterized by comprising:
The axial electromagnetic force loading coil (1) of vertical repulsive force is provided for the flange workpiece (31) of initial profile；
The radial electromagnetic force loading coil (2) of radial suction is provided for the flange workpiece (32) after axial electromagnetic force load；
The capacitor power (7) of energy is provided for axial electromagnetic force loading coil (1), radial electromagnetic force loading coil (2)；
For fixing the flanging (5) of the edge of work；
For limiting the cavity plate (4) of the final deformable contour of workpiece；
Axial electromagnetic force loading coil (1) is placed within flanging (5), and flange workpiece (3) is placed in axial electromagnetic force loading coil (1)
With the upper surface of flanging (5)；
Radial electromagnetic force loading coil (2) is embedded in cavity plate (4), and cavity plate (4) is placed on flange workpiece (3)；
Radial electromagnetic force loading coil (2) and freewheeling diode (6) differential concatenation, then with axial electromagnetic force loading coil (1)
It is in parallel.
2. a kind of vertical repulsive force-radial direction suction timesharing load plate electromagnetism hemmer according to claim 1, feature
Be: the radial electromagnetic force loading coil (2) is hollow cylinder or hollow round table shape, is embedded into cavity plate (4) by processing,
Radial electromagnetic force loading coil (2) lower part is flushed with cavity plate (4) lower surface.
3. a kind of vertical repulsive force-radial direction suction timesharing load plate electromagnetism hemmer according to claim 2, feature
It is: the interior diameter of the radial electromagnetic force loading coil (2) of hollow cylinder or the radial electromagnetic force load of hollow round table shape
Coil (2) lesser interior diameter is less than cavity plate (4) overall diameter, and radial electromagnetic force loading coil (2) overall diameter is equal to cavity plate (4) outside
Diameter.
4. a kind of vertical repulsive force-radial direction suction timesharing load plate electromagnetism hemmer according to claim 1, feature
Be: the height of the radial electromagnetic force loading coil (2) is equal to the flange height of flange workpiece (3).
5. a kind of vertical repulsive force-radial direction suction timesharing load plate electromagnetism hemmer according to claim 1, feature
It is: the inductance of axial electromagnetic force loading coil (1) of the inductance of radial electromagnetic force loading coil (2) more than or equal to 10 times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820454211.6U CN208195344U (en) | 2018-04-02 | 2018-04-02 | A kind of plate electromagnetism hemmer of vertical repulsive force-radial direction suction timesharing load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820454211.6U CN208195344U (en) | 2018-04-02 | 2018-04-02 | A kind of plate electromagnetism hemmer of vertical repulsive force-radial direction suction timesharing load |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405699A (en) * | 2018-04-02 | 2018-08-17 | 三峡大学 | A kind of the plate electromagnetism hemmer and method of vertical repulsive force-radial direction suction timesharing load |
| CN111468585A (en) * | 2020-04-13 | 2020-07-31 | 三峡大学 | Simulation-based pipe fitting bulging analysis and control method for separating axial electromagnetic force |
-
2018
- 2018-04-02 CN CN201820454211.6U patent/CN208195344U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405699A (en) * | 2018-04-02 | 2018-08-17 | 三峡大学 | A kind of the plate electromagnetism hemmer and method of vertical repulsive force-radial direction suction timesharing load |
| CN111468585A (en) * | 2020-04-13 | 2020-07-31 | 三峡大学 | Simulation-based pipe fitting bulging analysis and control method for separating axial electromagnetic force |
| CN111468585B (en) * | 2020-04-13 | 2021-08-24 | 三峡大学 | Simulation-based pipe fitting bulging analysis and control method for separating axial electromagnetic force |
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