CN107413918A - A kind of electromagnetic repulsive force pressing method and device based on inertial confinement - Google Patents
A kind of electromagnetic repulsive force pressing method and device based on inertial confinement Download PDFInfo
- Publication number
- CN107413918A CN107413918A CN201710803805.3A CN201710803805A CN107413918A CN 107413918 A CN107413918 A CN 107413918A CN 201710803805 A CN201710803805 A CN 201710803805A CN 107413918 A CN107413918 A CN 107413918A
- Authority
- CN
- China
- Prior art keywords
- flanging
- workpiece
- coil
- repulsive force
- electromagnetic repulsive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000007493 shaping process Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000001939 inductive effect Effects 0.000 claims abstract description 6
- 230000037303 wrinkles Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000007547 defect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007652 sheet-forming process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention discloses a kind of electromagnetic repulsive force pressing method and device based on inertial confinement, including：Flanging coil is discharged, flanging coil is arranged at the top of flanging copper ring, flanging copper ring is arranged on the top of the edge of work, workpiece setting is above cavity plate, workpiece is to be deformed to cavity plate shaping, flanging coil produces pulsed magnetic field in discharge process, and corresponding caused inductive loop interacts with pulsed magnetic field in flanging copper ring, so as to produce electromagnetic repulsive force between flanging coil and flanging copper ring；Pressure-pad-force is provided for the edge of work by the electromagnetic repulsive force between flanging coil and flanging copper ring, to ensure that workpiece its marginal position in forming process keeps stable, while controls workpiece material to flow, avoids workpiece from occurring to wrinkle in forming process and rupture.Electromagnetic repulsive force between two flanging coils or flanging coil and flanging copper ring of the invention, can flexibly control pressure-pad-force, reduce the cost of device, reduce spatial volume, and can effectively reduce the power supply energy of system.
Description
Technical field
The invention belongs to metal forming manufacturing field, more particularly, to a kind of electromagnetic repulsive force based on inertial confinement
Pressing method and device.
Background technology
During metal sheet stamping shapes, the problems such as part wrinkles, rupture or resilience are excessive is usually faced.It is real
In the production of border, the mode that generally use applies pressure-pad-force controls the material of plate to flow, and its main function is in stamping mistake
In journey under blank holder plate apply certain pressure, so as to prevent plate excessively flow into mold cavity, effectively reduce it is above-mentioned into
The generation of shape defect.The selection of suitable pressure-pad-force, controlled for forming quality very crucial.The pressure-pad-force that tradition uses is typically
Constant pressure-pad-force is applied in whole punching stroke by forcing press, forcing press is typically pressed as most important pressing equipment
Type of drive can be divided into punching machine and hydraulic press.This flanging mode usually requires the control system of complexity and sufficient work
Make table top, equipment cost is high, and floor space is big.
The mode that pressure-pad-force in sheet forming process is provided using electromagnetic force is referred to as electromagnetism flanging, existing on electromagnetism pressure
The research of side technology mainly has in terms of following two in paper disclosed in electromagnetism flanging and patent at present still in the exploratory stage
Content：
1st, pressure-pad-force is provided for sheet metal forming and Deep forming using the attraction between two electromagnet, the technology
Defect is that electromagnet has magnetic saturation phenomenon, i.e., its magnetic flux cannot infinitely increase, and therefore, utilizes magnetic caused by electromagnet
Field intensity is limited, so as to which the pressure-pad-force amplitude that can be provided is limited.Therefore, when board dimensions are larger, this method can not provide
Meet desired pressure-pad-force.
2nd, pressure-pad-force is provided for sheet metal forming using the attraction between two coils, this method inherits electromagnetism
Flanging has the advantages of flexibility and accuracy in pressure-pad-force regulation and control, but it must use two sets of coil groups, and required puts
Electric flux is larger, meanwhile, the method requires that the physical dimension of coil have to be larger than workpiece and geometric position must be positioned at workpiece side
The outside in edge region, the effect for applying pressure-pad-force is can be only achieved, therefore the flange fixing installation manufacturing cost based on this method design is inclined
Height, installing space are bigger than normal.
The content of the invention
It is an object of the invention to provide a kind of electromagnetic repulsive force pressing method and device based on inertial confinement, it is intended to solves
Certainly existing electromagnetism crimping technique provides pressure-pad-force using the attraction between two electromagnet, because magnetic field is strong caused by electromagnet
Spend limited, when board dimensions are larger, the pressure-pad-force for meeting to require can not be provided, and utilize the attraction between two coils
Pressure-pad-force is provided, manufacturing cost is higher, installing space technical problem bigger than normal.
To achieve the above object, in a first aspect, the present invention provides a kind of electromagnetic repulsive force flanging side based on inertial confinement
Method, including：Flanging coil is discharged, the flanging coil is arranged at the top of flanging copper ring, and the flanging copper ring is set
In the top of the edge of work, the workpiece setting is above cavity plate, the workpiece cavity plate shaping, the flanging
Coil produces pulsed magnetic field in discharge process, it is corresponding in the flanging copper ring caused by inductive loop and pulsed magnetic field phase interaction
With so as to produce electromagnetic repulsive force between flanging coil and flanging copper ring；By between the flanging coil and flanging copper ring
Electromagnetic repulsive force provide pressure-pad-force for the edge of work, to ensure that the workpiece its marginal position in forming process keeps steady
It is fixed, while ensure the mobility of workpiece material, the defects of avoiding workpiece that corrugation and rupture occur in forming process.
It should be noted that pressure-pad-force needs to maintain suitable interval range, the edge of work can be kept stable, protected again
The mobility of workpiece is demonstrate,proved, when pressure-pad-force is too small, the mobility of workpiece is big, and workpiece easily wrinkles in forming process；When pressure-pad-force mistake
Greatly, the mobility of workpiece is small, and workpiece is easily broken in forming process.
Specifically, electromagnetic force can be adjusted by adjusting the discharge voltage of flanging coil, to control pressure-pad-force.
Alternatively, this method also includes：The displacement of the flanging coil is constrained by balancing weight, the balancing weight is freely put
Put or bolt is fastened on the top of the flanging coil.
Alternatively, this method also includes：By being arranged on the blank holder below the flanging copper ring by the electrodynamic repulsion
Power is transferred to the edge of work to provide pressure-pad-force.
Second aspect, the present invention provide a kind of electromagnetic repulsive force pressing method based on inertial confinement, including：To upper flanging
Coil is discharged respectively with sideline circle is pushed so that upper flanging coil is passed through the pulse current of reversed polarity with sideline circle is pushed
When, in upper flanging coil and push and produce electromagnetic repulsive force between the circle of sideline, the upper flanging coil and push sideline circle from upper
The top of the edge of work is successively set under, the workpiece setting is above cavity plate, the workpiece cavity plate
Shaping；The suffered electromagnetic repulsive force of sideline circle that pushes is transferred to the edge of work to provide pressure-pad-force, to ensure
The workpiece its marginal position in forming process keeps stable, while ensures the mobility of workpiece material, avoid workpiece into
The defects of corrugation and rupture occur during shape.
Alternatively, this method also includes：The displacement of the upper flanging coil is constrained by balancing weight, the balancing weight is free
Placement or bolt are fastened on the top of the upper flanging coil.
The third aspect, the present invention provide a kind of electromagnetic repulsive force flange fixing installation based on inertial confinement, including：Flanging line
Circle, flanging copper ring, workpiece and cavity plate；The flanging coil is arranged at the top of flanging copper ring, and the flanging copper ring is arranged on
The top of the edge of work, the workpiece setting is above cavity plate, the workpiece cavity plate shaping；The flanging line
Enclose for producing pulsed magnetic field in its discharge process so that inductive loop and pulsed magnetic caused by corresponding in the flanging copper ring
Field interactions, so as to produce electromagnetic repulsive force between flanging coil and flanging copper ring；Pass through the flanging coil and flanging
Electromagnetic repulsive force between copper ring provides pressure-pad-force for the edge of work, to ensure the workpiece its marginal position in forming process
Keep stable, while ensure the mobility of workpiece material, the defects of avoiding workpiece that corrugation and rupture occur in forming process.
Alternatively, the device also includes：Balancing weight；The balancing weight is freely placed or bolt is fastened on the flanging coil
Top, for constraining the displacement of the flanging coil.
Alternatively, the device also includes：Blank holder；The blank holder is arranged on below the flanging copper ring, for by institute
State electromagnetic repulsive force and be transferred to the edge of work to provide pressure-pad-force.
Fourth aspect, the present invention provide a kind of electromagnetic repulsive force flange fixing installation based on inertial confinement, including：Upper flanging line
Enclose, push sideline circle, workpiece and cavity plate；The upper flanging coil is successively set on workpiece side from top to bottom with sideline circle is pushed
The top of edge, the workpiece setting is above cavity plate, the workpiece cavity plate shaping；The upper flanging coil and
Push sideline to enclose for being discharged respectively at it so that upper flanging coil is passed through the pulse current of reversed polarity with sideline circle is pushed
When, in upper flanging coil and push and produce electromagnetic repulsive force between the circle of sideline, and by being pushed described suffered by the circle of sideline
Electromagnetic repulsive force be transferred to the edge of work to provide pressure-pad-force, to ensure the workpiece its margin location in forming process
It is stable to put holding, while ensures the mobility of workpiece material, the defects of avoiding workpiece that corrugation and rupture occur in forming process.
Alternatively, the device also includes：Balancing weight；The balancing weight is freely placed or bolt is fastened on the flanging coil
Top, for constraining the displacement of the upper flanging coil.
In general, by the contemplated above technical scheme of the present invention compared with prior art, have below beneficial to effect
Fruit：
1st, the present invention is using electromagnetic repulsive force between two flanging coils or flanging coil and flanging copper ring, at a high speed into
Sheet forming process in shape provides pressure-pad-force, is powered, passed through using the pulse power and supporting control system for flanging coil
Adjust the loading current of flanging coil, and the time cooperation of control flanging coil and formation system, it is possible to achieve flexibly controllable
Pressure-pad-force regulation, reach the pressure-pad-force amplitude higher than under quasistatic, be particularly suitable for use in electro-magnetic forming process.
2nd, the present invention inherits the advantages of existing electromagnetism pressing method, and traditional mechanical flanging is in order to resist the anti-of pressure-pad-force
Active force, typically resulting in equipment has huge mechanical structure, and the present invention takes inertial confinement mode, using balancing weight by flanging
The motion of coil be reduced to can tolerance range, ensure that the mechanical stability of flange fixing installation, its is simple to operate, it is easy to accomplish, together
When reduce the cost of device, reduce spatial volume.In addition, flange fixing installation only consumes electric energy, it is environment friendly and pollution-free.
3rd, the present invention uses electromagnetic repulsive force mode, and the geometric position of flanging coil is located above plate, produced flanging
Power is directly delivered to the flange region of plate by rigid media, therefore the physical dimension of flanging coil need to only cover the method for plate
Blue region, so as to reduce flange fixing installation overall dimensions and assembly space, reduce the manufacturing cost of flange fixing installation.It is in addition, single
Coil flange fixing installation also has the characteristics of compact-sized, to be easy to frock.For twin coil flange fixing installation, due to twin coil reversed polarity
System equivalent inductance is connected much smaller than twin coil same polarity in the case of series connection, and under identical voltage class, system equivalent inductance
Reduce, discharge loop electric current can increase, and caused electromagnetic force also accordingly increases, so as to improve system effectiveness.Likewise,
For identical pressure-pad-force amplitude level, the power supply of system can be effectively reduced using the electromagnetic repulsive force flanging mode of the present invention
Energy.
Brief description of the drawings
Fig. 1 is the electromagnetic repulsive force flange fixing installation structural representation based on inertial confinement of the embodiment of the present invention 1；
Fig. 2 is the electromagnetic repulsive force flange fixing installation structural representation based on inertial confinement of the embodiment of the present invention 2；
Fig. 3 is the electromagnetic repulsive force flange fixing installation structural representation based on inertial confinement of the embodiment of the present invention 3；
Fig. 4 is the electromagnetic repulsive force flanging principle schematic based on inertial confinement of the embodiment of the present invention 1；
Fig. 5 is the electromagnetic repulsive force flanging principle schematic based on inertial confinement of the embodiment of the present invention 3；
Fig. 6 is the typical waveform schematic diagram of the present invention for being used to implement the pulse current of pressure-pad-force regulation and control.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
The invention provides a kind of electromagnetic repulsive force flange fixing installation and method based on inertial confinement.Pass through hot-wire coil group
Or the electromagnetic repulsive force between hot-wire coil and flanging copper ring, the pressure-pad-force that can be controlled for sheet forming provider, so as to effectively
Prevent plate from corrugation or rupture occurs.
To achieve the above object, according to one aspect of the present invention, there is provided a kind of electrodynamic repulsion based on inertial confinement
Power flange fixing installation, including flanging system, the pulse power and control system, cavity plate, balancing weight, wherein flanging system include flanging line
Circle and flanging copper ring.The flanging system is placed on above the cavity plate, and the balancing weight is positioned over the upper of the flanging coil
Side, for constraining the motion of flanging coil, the pulse power and control system by charger, charger switch element and exchanging
Capacitor bank (or batteries), IGCT, the continuous current circuit composition that can be cut-off, connect the coil in the flanging system.
Further, the flanging copper ring in flanging system can be substituted by another flanging coil.
Further, the flanging copper ring in flanging system can be any conductive metal ring.
Further, blank holder can be increased in flanging system, for transmitting pressure-pad-force for the flange region of plate.
Further, the gross mass of the flanging coil in the flanging system and balancing weightWherein,
F is the upward pulse-electromagnetic force suffered by flanging coil, and T is the pulse duration, and g is acceleration of gravity, hmFor flanging line
The maximum allowable displacement of circle and balancing weight.
Further, the pulse power and control system are used to provide amplitude for the flanging coil and pulsewidth is controllable
Pulse current, so as to for sheet forming provide flexibility and changeability be easy to regulate and control pulse electromagnetic pressure-pad-force.
According to another aspect of the present invention, there is provided a kind of electromagnetic repulsive force pressing method based on inertial confinement, bag
Include following steps：
Step (1)：Workpiece is placed on cavity plate；
Step (2)：Flanging copper ring is placed on workpiece；
Step (3)：Flanging coil is placed on flanging copper ring；
Step (4)：Balancing weight is placed directly within flanging coil, or balancing weight is bolted connection in flanging line
On circle；
Step (5)：Pulse current caused by the pulse power is passed through in flanging coil.Flanging coil and flanging copper ring it
Between can form huge repulsive force.Repulsive force is delivered to workpiece flange region by flanging copper ring, passes through the loading of regulating winding
Electric current, and the time cooperation of control coil and formation system, flexibly controllable pressure-pad-force is provided for the workpiece.
Further, flanging copper ring can be substituted with another flanging coil, pulse current caused by the pulse power is passed through
In the flanging coil of two series connection, huge electromagnetic repulsive force can be formed between two flanging coils.Repulsive force passes through lower flanging
Coil is delivered to workpiece flange region, by adjusting the loading current of regulating winding, and control coil and formation system when
Sequence coordinates, and flexibly controllable pressure-pad-force is provided for the workpiece.
Further, blank holder can be increased in flanging system, blank holder is placed in above workpiece, and flanging copper coin is placed in flanging
Circle top, caused repulsive force is delivered to blank holder by flanging copper coin, then is delivered to workpiece flange region, passes through regulating winding
Loading current, and the time cooperation of control coil and formation system, flexibly controllable pressure-pad-force is provided for the workpiece.
The specific example provided below in conjunction with the accompanying drawing introduction present invention：
As shown in figure 1, the general structure of the electromagnetism flanging of the embodiment of the present invention includes：Cavity plate 1, workpiece 2, flanging copper ring 3,
Flanging coil 4, balancing weight 5 and the pulse power and control system 6.
The pulse power and control system 6 are that flanging coil 4 provides pulse current, the balancing weight 5 freely place or
Bolt is fastened on the top of flanging coil 4.
Electromagnetic repulsive force pressing method based on inertial confinement comprises the following steps：
(1) workpiece 2 is arranged on to the top of cavity plate 1.
(2) flanging copper ring 3 is arranged on the top of workpiece 2, flanging coil 4 is arranged at the top of flanging copper ring 3.
(3) pulse power and control system 6 are discharged flanging coil 4 so that the peripheral region of flanging coil 4 produces pulse
Magnetic field, the inductive loop in flanging copper ring 3 interacts with pulsed magnetic field, so as to be produced between flanging coil 4 and flanging copper ring 3
Raw electromagnetic repulsive force, as shown in Figure 4.
(4) electromagnetic repulsive force is sent to the flange region of workpiece 3 by flanging copper ring 3, so as to provide pressure for plate shaping
Bian Li.
(5) flanging coil 4 is shifted up by electromagnetic repulsive force, due to the effect of balancing weight 5 so that flanging coil 4
Displacement constraint is in a small range (displacement is no more than 5mm), so as to not influence the stability of flanging system.
Further, pressure-pad-force amplitude and pulsewidth regulation and control realized by the pulse power and control system 6.
As shown in Fig. 2 the general structure of the electromagnetism flanging of the embodiment of the present invention includes：Cavity plate 1, workpiece 2, flanging copper ring 3,
Flanging coil 4, balancing weight 5, the pulse power and control system 6 and blank holder 7.
The pulse power and control system 6 are that flanging coil 4 provides pulse current, the balancing weight 5 freely place or
Bolt is fastened on the top of flanging coil 4.
Electromagnetic repulsive force pressing method based on inertial confinement comprises the following steps：
(1) workpiece 2 is arranged on to the top of cavity plate 1.
(2) blank holder 7 is arranged to the top of workpiece 2, flanging copper ring 3 is freely placed or bolt is anchored on blank holder 7
Top, flanging coil 4 is arranged at the top of flanging copper ring 3.
(3) pulse power and control system 6 are discharged flanging coil 4 so that the peripheral region of flanging coil 4 produces pulse
Magnetic field, the inductive loop in flanging copper ring 3 interacts with pulsed magnetic field, so as to be produced between flanging coil 4 and flanging copper ring 3
Raw electromagnetic repulsive force.
(4) electromagnetic repulsive force is sent on blank holder 7 by flanging copper ring 3, then is transferred to the flange region of workpiece 3, from
And provide pressure-pad-force for plate shaping.
(5) flanging coil 4 is shifted up by electromagnetic repulsive force, due to the effect of balancing weight 5 so that flanging coil 4
Displacement constraint is in a small range (displacement is no more than 5mm), so as to not influence the stability of flanging system.
Further, pressure-pad-force amplitude and pulsewidth regulation and control realized by the pulse power and control system 6.
As shown in figure 3, the general structure of the electromagnetism flanging of the embodiment of the present invention includes：Cavity plate 1, workpiece 2, flanging coil 4,
Balancing weight 5, the pulse power and control system 6 and push sideline circle 8.(now, flanging coil 4 can be described as flanging coil again, with
Under no longer illustrate)
The pulse power and control system 6 are flanging coil 4 and push the offer pulse current of sideline circle 8, the counterweight
Block 5 is freely placed or bolt is fastened on the top of flanging coil 4.
Electromagnetic repulsive force pressing method based on inertial confinement comprises the following steps：
(1) workpiece 2 is arranged on to the top of cavity plate 1.
(2) sideline will be pushed and enclose 8 tops for being arranged at workpiece 2, flanging coil 4 is arranged at the top for pushing sideline circle 8.
(3) pulse power and control system 6 to flanging coil 4 and push the electric discharge of sideline circle 8 so that flanging coil 4 is with
Flanging coil 8 is passed through the pulse current of reversed polarity, so as to flanging coil 4 and push sideline circle 8 between produce electromagnetic repulsive force,
As shown in Figure 5.
(4) electromagnetic repulsive force is transferred to the flange region of workpiece 3 by pushing sideline circle 8, so as to be provided for plate shaping
Pressure-pad-force.
(5) flanging coil 4 is shifted up by electromagnetic repulsive force, due to the effect of balancing weight 5 so that flanging coil 4
Displacement constraint is in a small range (displacement is no more than 5mm), so as to not influence the stability of flanging system.
Further, pressure-pad-force amplitude and pulsewidth regulation and control realized by the pulse power and control system 6.
As shown in fig. 6, it is the typical waveform of the present invention for being used to implement the pulse current of pressure-pad-force regulation and control.Wherein, a sections
The rising edge of pulse current is represented, b segment tables show the trailing edge of pulse current.By adjusting pulse current amplitude, pulsewidth and touching
Send out the time, it is possible to achieve the variable blank holding force control during component shaping, pressure-pad-force is maintained into suitable interval range.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., all should be included
Within protection scope of the present invention.
Claims (10)
- A kind of 1. electromagnetic repulsive force pressing method based on inertial confinement, it is characterised in that including：Flanging coil is discharged, the flanging coil is arranged at the top of flanging copper ring, and the flanging copper ring is arranged on work The top at part edge, the workpiece setting is above cavity plate, the workpiece cavity plate shaping, the flanging coil Pulsed magnetic field is produced in discharge process, corresponding caused inductive loop interacts with pulsed magnetic field in the flanging copper ring, So as to produce electromagnetic repulsive force between flanging coil and flanging copper ring；Pressure-pad-force is provided for the edge of work by the electromagnetic repulsive force between the flanging coil and flanging copper ring, with described in guarantee Workpiece its marginal position in forming process keeps stable, while ensures the mobility of workpiece material, avoids workpiece from shaping Corrugation and rupture occur in journey.
- 2. the electromagnetic repulsive force pressing method based on inertial confinement as claimed in claim 1, it is characterised in that also include：The displacement of the flanging coil is constrained by balancing weight, the balancing weight is freely placed or bolt is fastened on the flanging line The top of circle.
- 3. the electromagnetic repulsive force pressing method based on inertial confinement as claimed in claim 1, it is characterised in that also include：The electromagnetic repulsive force is transferred to the edge of work to carry by being arranged on the blank holder below the flanging copper ring For pressure-pad-force.
- A kind of 4. electromagnetic repulsive force pressing method based on inertial confinement, it is characterised in that including：Upper flanging coil is discharged respectively with sideline circle is pushed so that upper flanging coil is passed through reversed polarity with sideline circle is pushed Pulse current when, in upper flanging coil and push and produce electromagnetic repulsive force between the circle of sideline, the upper flanging coil and push The top for being successively set on the edge of work from top to bottom is enclosed in sideline, and for the workpiece setting above cavity plate, the workpiece is to be deformed Shaped to the cavity plate；The suffered electromagnetic repulsive force of sideline circle that pushes is transferred to the edge of work to provide pressure-pad-force, to ensure State workpiece its marginal position in forming process and keep stable, while ensure the mobility of workpiece material, avoid workpiece from shaping During occur corrugation and rupture.
- 5. the electromagnetic repulsive force pressing method based on inertial confinement as claimed in claim 4, it is characterised in that also include：The displacement of the upper flanging coil is constrained by balancing weight, the balancing weight is freely placed or bolt is fastened on the upper pressure The top of sideline circle.
- A kind of 6. electromagnetic repulsive force flange fixing installation based on inertial confinement, it is characterised in that including：Flanging coil, flanging copper ring, Workpiece and cavity plate；The flanging coil is arranged at the top of flanging copper ring, and the flanging copper ring is arranged on the upper of the edge of work Side, the workpiece setting is above cavity plate, the workpiece cavity plate shaping；The flanging coil is used to produce pulsed magnetic field in its discharge process so that feels caused by corresponding in the flanging copper ring It should be vortexed and be interacted with pulsed magnetic field, so as to produce electromagnetic repulsive force between flanging coil and flanging copper ring；By described Electromagnetic repulsive force between flanging coil and flanging copper ring provides pressure-pad-force for the edge of work, to ensure that the workpiece was shaping Its marginal position keeps stable in journey, while ensures the mobility of workpiece material, avoids workpiece from being wrinkled in forming process And rupture.
- 7. the electromagnetic repulsive force flange fixing installation based on inertial confinement as claimed in claim 6, it is characterised in that also include：Match somebody with somebody Pouring weight；The balancing weight is freely placed or bolt is fastened on the top of the flanging coil, for constraining the position of the flanging coil Move.
- 8. the electromagnetic repulsive force flange fixing installation based on inertial confinement as claimed in claim 6, it is characterised in that also include：Pressure Flange；The blank holder is arranged on below the flanging copper ring, for by the electromagnetic repulsive force be transferred to the edge of work with Pressure-pad-force is provided.
- A kind of 9. electromagnetic repulsive force flange fixing installation based on inertial confinement, it is characterised in that including：Upper flanging coil, lower flanging Coil, workpiece and cavity plate；The upper flanging coil is successively set on the top of the edge of work with sideline circle is pushed from top to bottom, The workpiece setting is above cavity plate, the workpiece cavity plate shaping；The upper flanging coil is enclosed for being discharged respectively at it with sideline is pushed so that upper flanging coil encloses with sideline is pushed When being passed through the pulse current of reversed polarity, upper flanging coil and push sideline circle between produce electromagnetic repulsive force, and pass through by The suffered electromagnetic repulsive force of sideline circle that pushes is transferred to the edge of work to provide pressure-pad-force, to ensure the workpiece Its marginal position keeps stable in forming process, while ensures the mobility of workpiece material, avoids workpiece in forming process Generation wrinkles and rupture.
- 10. the electromagnetic repulsive force flange fixing installation based on inertial confinement as claimed in claim 9, it is characterised in that also include：Match somebody with somebody Pouring weight；The balancing weight is freely placed or bolt is fastened on the top of the flanging coil, for constraining the upper flanging coil Displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803805.3A CN107413918A (en) | 2017-09-08 | 2017-09-08 | A kind of electromagnetic repulsive force pressing method and device based on inertial confinement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803805.3A CN107413918A (en) | 2017-09-08 | 2017-09-08 | A kind of electromagnetic repulsive force pressing method and device based on inertial confinement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107413918A true CN107413918A (en) | 2017-12-01 |
Family
ID=60432969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803805.3A Pending CN107413918A (en) | 2017-09-08 | 2017-09-08 | A kind of electromagnetic repulsive force pressing method and device based on inertial confinement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107413918A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097778A (en) * | 2017-12-17 | 2018-06-01 | 华中科技大学 | A kind of flexible module formula electro-magnetic forming fixture system |
| CN108162455A (en) * | 2017-12-22 | 2018-06-15 | 大连坤达自动化有限公司 | A kind of current vortex magnetic field times power output device |
| CN110548800A (en) * | 2019-08-26 | 2019-12-10 | 华中科技大学 | Electro-hydraulic forming tool device and method based on inertia constraint |
| CN111151633A (en) * | 2020-01-09 | 2020-05-15 | 合肥工业大学 | Distributed electromagnetic control edge pressing system for stamping process and control method thereof |
| CN111354529A (en) * | 2020-04-15 | 2020-06-30 | 华中科技大学 | Radiation ring magnet magnetizing method and device |
| CN111640552A (en) * | 2020-05-25 | 2020-09-08 | 华中科技大学 | Permanent magnet compression molding method and device |
| CN111940586A (en) * | 2020-08-20 | 2020-11-17 | 合肥工业大学 | Distributed blank holder force generation device and regulation and control method for box type stamping process based on electro-permanent magnet compounding |
| CN114160640A (en) * | 2021-11-25 | 2022-03-11 | 华中科技大学 | Electromagnetic edge pressing device and method for rectangular workpiece |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127933A (en) * | 1983-01-11 | 1984-07-23 | Amada Co Ltd | Electromagnetic working device |
| JP2007054855A (en) * | 2005-08-23 | 2007-03-08 | Nagaoka Univ Of Technology | Method and die for press forming |
| US20070186617A1 (en) * | 2004-03-08 | 2007-08-16 | Seo Young | Electromagnetic blank restrainer |
| US20090090162A1 (en) * | 2007-10-05 | 2009-04-09 | Gm Global Technology Operations, Inc. | Driver plate for electromagnetic forming of sheet metal |
| DE102007054679A1 (en) * | 2007-11-14 | 2009-05-20 | Volkswagen Ag | Sheet metal drawing device, has sheet metal fixed contactless in holding down zone during shaping by electromagnetic force, where electromagnetic force for fixing is adjustable and independent of electromagnetic force for shaping |
| EP2324939A1 (en) * | 2009-11-18 | 2011-05-25 | Metal Industries Research & Development Centre | Sheet metal forming apparatus |
| DE102012002213A1 (en) * | 2012-02-04 | 2013-08-08 | Volkswagen Aktiengesellschaft | Tool for use with actuating device for shaping sheet material, has tool component with blank holder, where actuating device acts between blank holder and another tool component, and has actuating element and electromagnetic actuating drive |
| CN103586322A (en) * | 2013-11-14 | 2014-02-19 | 华中科技大学 | Electromagnetic blank holder method suitable for high-speed forming |
| CN103831339A (en) * | 2014-03-18 | 2014-06-04 | 华中科技大学 | Electromagnetic forming tooling method |
| CN106825192A (en) * | 2017-03-07 | 2017-06-13 | 华中科技大学 | A kind of electromagnetism Deep forming device and method |
-
2017
- 2017-09-08 CN CN201710803805.3A patent/CN107413918A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127933A (en) * | 1983-01-11 | 1984-07-23 | Amada Co Ltd | Electromagnetic working device |
| US20070186617A1 (en) * | 2004-03-08 | 2007-08-16 | Seo Young | Electromagnetic blank restrainer |
| JP2007054855A (en) * | 2005-08-23 | 2007-03-08 | Nagaoka Univ Of Technology | Method and die for press forming |
| US20090090162A1 (en) * | 2007-10-05 | 2009-04-09 | Gm Global Technology Operations, Inc. | Driver plate for electromagnetic forming of sheet metal |
| DE102007054679A1 (en) * | 2007-11-14 | 2009-05-20 | Volkswagen Ag | Sheet metal drawing device, has sheet metal fixed contactless in holding down zone during shaping by electromagnetic force, where electromagnetic force for fixing is adjustable and independent of electromagnetic force for shaping |
| EP2324939A1 (en) * | 2009-11-18 | 2011-05-25 | Metal Industries Research & Development Centre | Sheet metal forming apparatus |
| DE102012002213A1 (en) * | 2012-02-04 | 2013-08-08 | Volkswagen Aktiengesellschaft | Tool for use with actuating device for shaping sheet material, has tool component with blank holder, where actuating device acts between blank holder and another tool component, and has actuating element and electromagnetic actuating drive |
| CN103586322A (en) * | 2013-11-14 | 2014-02-19 | 华中科技大学 | Electromagnetic blank holder method suitable for high-speed forming |
| CN103831339A (en) * | 2014-03-18 | 2014-06-04 | 华中科技大学 | Electromagnetic forming tooling method |
| CN106825192A (en) * | 2017-03-07 | 2017-06-13 | 华中科技大学 | A kind of electromagnetism Deep forming device and method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097778A (en) * | 2017-12-17 | 2018-06-01 | 华中科技大学 | A kind of flexible module formula electro-magnetic forming fixture system |
| CN108162455A (en) * | 2017-12-22 | 2018-06-15 | 大连坤达自动化有限公司 | A kind of current vortex magnetic field times power output device |
| CN110548800A (en) * | 2019-08-26 | 2019-12-10 | 华中科技大学 | Electro-hydraulic forming tool device and method based on inertia constraint |
| CN110548800B (en) * | 2019-08-26 | 2021-04-20 | 华中科技大学 | Electro-hydraulic forming tool device and method based on inertia constraint |
| CN111151633A (en) * | 2020-01-09 | 2020-05-15 | 合肥工业大学 | Distributed electromagnetic control edge pressing system for stamping process and control method thereof |
| CN111354529A (en) * | 2020-04-15 | 2020-06-30 | 华中科技大学 | Radiation ring magnet magnetizing method and device |
| CN111354529B (en) * | 2020-04-15 | 2021-11-09 | 华中科技大学 | Radiation ring magnet magnetizing method and device |
| CN111640552A (en) * | 2020-05-25 | 2020-09-08 | 华中科技大学 | Permanent magnet compression molding method and device |
| CN111940586A (en) * | 2020-08-20 | 2020-11-17 | 合肥工业大学 | Distributed blank holder force generation device and regulation and control method for box type stamping process based on electro-permanent magnet compounding |
| CN114160640A (en) * | 2021-11-25 | 2022-03-11 | 华中科技大学 | Electromagnetic edge pressing device and method for rectangular workpiece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107413918A (en) | A kind of electromagnetic repulsive force pressing method and device based on inertial confinement | |
| CN107127243B (en) | A kind of electromagnetic pulse forming device and method of sheet metal | |
| CN103586322A (en) | Electromagnetic blank holder method suitable for high-speed forming | |
| CN105537361B (en) | A kind of electromagnetism pressing method and device suitable for high-rate forming | |
| WO2021238134A1 (en) | Press forming method and apparatus for permanent magnet | |
| CN207266987U (en) | A kind of electromagnetic repulsive force flange fixing installation based on inertial confinement | |
| CN109967592A (en) | It is a kind of that the corrugated device and method of plate is reduced using radial electromagnet pull | |
| WO2022236849A1 (en) | Conductive channel-based electromagnetic forming apparatus and forming method | |
| CN201655711U (en) | Permanent magnetic operating mechanism of breaker | |
| CN102918965B (en) | Magnetic-type precise seed-metering device | |
| CN106341029A (en) | Voice coil motor | |
| CN208728412U (en) | A kind of electromagnetic forming device | |
| CN202043030U (en) | Converter suitable for series topologies formed by integrating a plurality of magnetic components | |
| CN110548800B (en) | Electro-hydraulic forming tool device and method based on inertia constraint | |
| CN202156046U (en) | Electromagnetic puncher | |
| CN105487594B (en) | Pedal feel simulator adjusted through electromagnetic control | |
| CN211866297U (en) | Flexible sheet electromagnetic forming system | |
| CN202258743U (en) | Tapping device for simultaneously regulating voltage at upper part and lower part of primary coil | |
| CN208589326U (en) | A kind of electricity substation transformer easy to remove | |
| CN203282837U (en) | Eddy current heating type gilding press | |
| CN206634322U (en) | A kind of in-mold label machine | |
| CN202094766U (en) | Current-adjustable multipolar permanent magnetic electric welding unit | |
| CN105186826A (en) | Magnetic-control miniature power generating device | |
| CN203652613U (en) | An electromagnetic vibration feeder | |
| CN113500130B (en) | Coil-free through-flow forming device and method for metal plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |