CN108480450A - A kind of electromagnetic attraction building mortion and method - Google Patents
A kind of electromagnetic attraction building mortion and method Download PDFInfo
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- CN108480450A CN108480450A CN201810452992.XA CN201810452992A CN108480450A CN 108480450 A CN108480450 A CN 108480450A CN 201810452992 A CN201810452992 A CN 201810452992A CN 108480450 A CN108480450 A CN 108480450A
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- metalwork
- plate
- driving plate
- electromagnetic attraction
- cavity plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/14—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces applying magnetic forces
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- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to a kind of electromagnetic attraction building mortion and methods.Including discharge power supply system, metalwork to be formed, driving plate, cavity plate, the discharge power supply system is connect with metalwork to be formed and driving plate respectively by conducting wire, the cavity plate is positioned between metalwork to be formed and driving plate, and cavity plate Forming Workpiece contour shape side is close to metalwork to be formed.Structure of the invention and control require simple, by directly applying active control of the electric current realization to forming to driving plate and metalwork to be formed, the traditional electro-magnetic forming repulsive force of energy conversion is attraction, and need not design coiling discharge coil structure and solve the problems such as traditional electro-magnetic forming coil makes such as the loop construction complexity brought, cost of manufacture is high, service life is low.
Description
Technical field
The invention belongs to metal forming manufacturing technology fields, and in particular to a kind of electromagnetic attraction building mortion and method.
Background technology
Electro-magnetic forming is a kind of method being converted into magnetic field energy form metal plate using electric energy, traditional electro-magnetic forming mistake
Journey is usually to generate electromagnetic repulsive force to metallic plate using coil to be formed, for example China Patent Publication No. is
The electromagnetic forming device of the document introduction of CN103817197A, by electric current in coil when forming, by magnetic fields in workpiece
Vortex is generated, pushes workpiece so that workpiece is adjacent to mould to mold movement since electromagnetic field effect generates repulsive force between coil and workpiece
Tool, with this Forming Workpiece.It is this using repulsive force forming electromagnetic forming device disadvantage be：Discharge coil and mold are because respectively
The both sides for being placed in workpiece are divided into two parts, this leads to want its technique and operation when shaped closure region covering or covering
All become complicated.In consideration of it, China Patent Publication No. CN105170767A proposes a kind of electromagnetic attraction form metal plate
Apparatus and method, but this method apparatus structure is complicated, it is relatively high to the control of its coil discharge and device requirement, it is not easy to realize,
And coil cost of manufacture is high.Above-mentioned manufacturing process also all necessarily requires metalwork to be formed that there is good conductivity to induct simultaneously
Go out to obtain larger electromagnetic force compared with maelstrom and go to shape, and because vortex of inducting is in passive slave mode, it is difficult to active control electric current
Go control forming electromagnetic force.
Invention content
The purpose of the present invention is to provide a kind of electromagnetic attraction building mortion and methods, propose a kind of traditional electromagnetism of conversion
Forming repulsive force is that the mode of attraction removes formed metal element, so that the forming of whole device is controlled and requires simply, which is not required to
Design coiling discharge coil structure and solve traditional electro-magnetic forming coil make bring as loop construction is complicated, is fabricated to
The problems such as this height, low service life；And due to driving plate and wait for stamped metal part apply electric current can be at actively by
Control state can shape low conductivity material, realizes to forming process active, flexible control, widens forming technology window.
To achieve the above object, the technical scheme is that：A kind of electromagnetic attraction building mortion, including discharge power supply
System, metalwork to be formed, driving plate, cavity plate, the discharge power supply system by conducting wire respectively with metalwork to be formed and drive
Movable plate connects, and the cavity plate is positioned between metalwork to be formed and driving plate, and cavity plate Forming Workpiece contour shape side is close to wait for
Formed metal element；The device to driving plate and metalwork to be formed by directly applying same direction current so that the two generates attraction
Power, so that metalwork to be formed is moved to cavity plate side, and since cavity plate Forming Workpiece contour shape limits, needed for formation
Formed metal element.
In an embodiment of the present invention, further include a pedestal as whole device pedestal, offered among the pedestal
Cavity corresponding with driving plate shape is for placing driving plate；Driving plate is screwed tight with the conducting wire for connecting driving plate by housing screw
On pedestal.
In an embodiment of the present invention, pressing plate, the pressing plate, metal to be formed are provided with above the metalwork to be formed
Part, cavity plate are screwed tight by pressing plate housing screw on pedestal.
In an embodiment of the present invention, further include a rubber sheet gasket, the rubber sheet gasket is placed on pressing plate and gold to be formed
Well contacting to guarantee and between the metalwork to be formed conducting wire connected and metalwork to be formed between category part.
In an embodiment of the present invention, the shape of the metalwork to be formed be include metallic plate, metal bar metal lead
Body.
In an embodiment of the present invention, the driving plate is the material with satisfactory electrical conductivity, is provided in driving plate logical
Hole, in order to be fixedly connected on pedestal.
In an embodiment of the present invention, the pressing plate is the good material of insulation performance, and quadrangle is provided with four above pressing plate
A sunk screw through-hole, for positioning and connecting.
In an embodiment of the present invention, further include the second metalwork to be formed, the second cavity plate, the second metalwork to be formed is logical
Conducting wire is crossed to connect with discharge power supply system, the second cavity plate is positioned between the second metalwork to be formed and driving plate, the second cavity plate at
Shape workpiece profile shape side is close to the second metalwork to be formed.
In an embodiment of the present invention, the discharge power supply system includes AC power, transformer, rectification silicon stack, partial pressure
Resistance, energy-storage capacitor, closure switch；AC power, transformer, rectification silicon stack, divider resistance, energy-storage capacitor, closure are opened
Pass forms charge circuit, and energy-storage capacitor, closure switch, metalwork to be formed and driving plate form discharge loop.
The present invention also provides a kind of electromagnetic attraction manufacturing process based on electromagnetic attraction building mortion described above,
Include the following steps：
Step 1：Discharge power supply system is connect with metalwork to be formed and driving plate respectively by conducting wire, and cavity plate is positioned over and is waited for into
Between shape metalwork；
Step 2：It is closed the switch of discharge power supply system, treat formed metal element and driving plate while being applied with equidirectional electric current simultaneously
Magnetic field is generated, due to electromagnetic field effect so that metalwork to be formed is by the electromagnetic attraction for being directed toward driving plate.
Step 3：Metalwork to be formed by electromagnetic attraction to cavity plate side because being moved, since cavity plate shape contour limits
Metalwork movement obtains required formed metal element.
Compared to the prior art, the invention has the advantages that：The present invention proposes a kind of traditional electro-magnetic forming of conversion
Repulsive force is that the mode of attraction removes formed metal element, so that the forming of whole device is controlled and requires simply, which need not set
Meter coiling discharge coil structure and solve traditional electro-magnetic forming coil make bring as loop construction is complicated, cost of manufacture
High, the problems such as service life is low；And due to driving plate and wait for stamped metal part apply electric current can be at actively it is controlled
State can shape low conductivity material, realizes to forming process active, flexible control, widens forming technology window.
Description of the drawings
Fig. 1 is the Forming Theory schematic diagram of the embodiment of the present invention.
Fig. 2 is the building mortion structural front view and vertical view of the embodiment of the present invention.
Fig. 3 is the principle schematic that the present invention shapes driving plate both sides metalwork to be formed simultaneously.
In figure：1- AC powers；2- transformers；3- rectification silicon stacks；4- divider resistances；5- energy-storage capacitors；6- closures are opened
It closes；7- metalworks to be formed；7 '-the second metalworks to be formed；Metalwork after 8- formings；9- cavity plates；9 '-the second cavity plates；10- drives
Movable plate；11- pedestals；12- conducting wire housing screws；13- conducting wires；14- rubber sheet gaskets；15- pressing plates；16- pressing plate housing screws.
Specific implementation mode
Below in conjunction with the accompanying drawings, technical scheme of the present invention is specifically described.
The present invention a kind of electromagnetic attraction building mortion, including discharge power supply system, metalwork to be formed, driving plate,
Cavity plate, the discharge power supply system are connect with metalwork to be formed and driving plate respectively by conducting wire, and the cavity plate, which is positioned over, to be waited for
Between formed metal element and driving plate, cavity plate Forming Workpiece contour shape side is close to metalwork to be formed；By to driving plate and
Metalwork to be formed directly applies same direction current so that the two generates attraction, so that metalwork to be formed is to cavity plate one
Side moves, and since cavity plate Forming Workpiece contour shape limits, and forms required formed metal element.Further include one be used as whole device
The pedestal of pedestal offers cavity corresponding with driving plate shape among the pedestal for placing driving plate；Driving plate and company
The conducting wire for connecing driving plate is screwed tight by housing screw on pedestal.It is provided with pressing plate, the pressure above the metalwork to be formed
Plate, metalwork to be formed, cavity plate are screwed tight by pressing plate housing screw on pedestal.Further include a rubber sheet gasket, the rubber pad
Piece be placed between pressing plate and metalwork to be formed to ensure the conducting wire that is connect with metalwork to be formed and metalwork to be formed it
Between good contact.
The shape of the metalwork to be formed is the metallic conductor for including metallic plate, metal bar.The driving plate be with
The material of satisfactory electrical conductivity is provided with through-hole in driving plate, in order to be fixedly connected on pedestal.The pressing plate is insulation performance
Good material, there are four sunk screw through-holes for quadrangle setting above pressing plate, for positioning and connecting.
Further include the second metalwork to be formed, the second cavity plate, the second metalwork to be formed passes through conducting wire and discharge power supply system
System connection, the second cavity plate are positioned between the second metalwork to be formed and driving plate, the second cavity plate Forming Workpiece contour shape side
Close to the second metalwork to be formed.
The discharge power supply system includes AC power, transformer, rectification silicon stack, divider resistance, energy-storage capacitor, closure
Switch；AC power, transformer, rectification silicon stack, divider resistance, energy-storage capacitor, closure switch form charge circuit, energy storage electricity
Container, closure switch, metalwork to be formed and driving plate form discharge loop.
The present invention also provides a kind of electromagnetic attraction manufacturing process based on electromagnetic attraction building mortion described above,
Include the following steps：
Step 1：Discharge power supply system is connect with metalwork to be formed and driving plate respectively by conducting wire, and cavity plate is positioned over and is waited for into
Between shape metalwork；
Step 2：It is closed the switch of discharge power supply system, treat formed metal element and driving plate while being applied with equidirectional electric current simultaneously
Magnetic field is generated, due to electromagnetic field effect so that metalwork to be formed is by the electromagnetic attraction for being directed toward driving plate.
Step 3：Metalwork to be formed by electromagnetic attraction to cavity plate side because being moved, since cavity plate shape contour limits
Metalwork movement obtains required formed metal element.
It is specific embodiments of the present invention below.
Embodiment one
It is a kind of electromagnetic attraction building mortion to please refer to Fig. 1 to Fig. 2, including discharge power supply system, metalwork to be formed 7, recessed
Mould 9, driving plate 10, positioning and compacting part.The discharge power supply system by conducting wire 13 respectively with metalwork 7 to be formed and drive
Movable plate 10 connects, and the cavity plate 9 is positioned between metalwork 7 to be formed and driving plate 10,9 Forming Workpiece contour shape side of cavity plate
Close to metalwork 7 to be formed.The building mortion is also equipped with corresponding positioning and compacting part：Pedestal 11, pressing plate 12, rubber pad
Piece 14, conducting wire housing screw 12 and pressing plate housing screw 16.Pedestal of the pedestal 11 as whole device, centre offer with
The corresponding cavity of 10 shape of driving plate is for placing driving plate 10.The driving plate 10 compresses spiral shell with external wire 13 by conducting wire
External wire 13 and driving plate 10 are screwed tight mode on the base 11 and are attached by nail 12.7 top of the metalwork to be formed
It is provided with pressing plate 15, the pressing plate 15 is screwed tight by pressing plate housing screw 16 and pedestal 11 by pressing plate 15, metalwork to be formed
7, cavity plate 9 compresses on the base 11, and the rubber sheet gasket 14 is placed between pressing plate 15 and metalwork to be formed 7 to ensure conducting wire
13 contact with the good of metalwork 7 to be formed.
The power-supply system includes charge circuit, discharge loop.Charge circuit includes AC power 1, transformer 2, rectification
Silicon stack 3, divider resistance 4, energy-storage capacitor 5, closure switch 6, charging process are that alternating current 1 passes through 2 transformation of transformer, rectification silicon
It charges to energy-storage capacitor 5 after 3 rectification of heap.Discharge loop includes the energy-storage capacitor 5, control switch 6, gold to be formed
Belong to part 7 and driving plate 10.
7 shape of metalwork to be formed can be metallic plate, metal bar or the metallic conductor with other shapes.
The driving plate 10 is that the material with satisfactory electrical conductivity is provided with through-hole generally based on copper in driving plate 10,
The through-hole is used to carry out screw with pedestal to connect.
The cavity plate 9 generally according to that will expect corresponding metalwork shape design, has good insulation performance, thereon
It is provided with and is connected to screw with corresponding through-hole.
A cavity adaptable with driving plate shape is provided on the pedestal 11, to fixed and placement driving plate, base
Threaded hole corresponding with driving plate is provided with to be attached on seat.
The pressing plate 15 is the good material of insulation performance, and there are four corresponding sunk screw through-holes for fixed for setting above
Position and connection.
The rubber sheet gasket 14 is the sheet rubber with certain elasticity capacity.
Realize that the mode of electromagnetic attraction forming is as follows using apparatus of the present invention：
Step 1：Discharge power supply system is connect with metalwork 7 to be formed and driving plate 10 respectively by conducting wire 12, and cavity plate 9 is placed
Between metalwork 7 to be formed.
Step 2：It is closed switches of power system 6, treat formed metal element 7 and driving plate 10 while being applied with equidirectional electric current
And magnetic field is generated, due to electromagnetic field effect so that metalwork to be formed 7 is by the electromagnetic attraction for being directed toward driving plate 10.
Step 3：Metalwork 7 to be formed by electromagnetic attraction to 9 side of cavity plate because being moved, due to 9 shape contour of cavity plate
Limitation metalwork movement obtains required formed metal element 8.
Embodiment two
With reference to electromagnetic attraction building mortion as shown in Figure 3, with device in embodiment one the difference is that, the driving plate
Pedestal side is changed to one group of second cavity plate 9 ' symmetrical with cavity plate 9 and metalwork to be formed 7 of setting and the second metal to be formed
Part 7 ', and applying electric current is formed two pieces of metallic plates simultaneously to both sides metalwork to be formed 7 and 7 ' and driving plate 10.
The above are preferred embodiments of the present invention, all any changes made according to the technical solution of the present invention, and generated function is made
When with range without departing from technical solution of the present invention, all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of electromagnetic attraction building mortion, which is characterized in that including discharge power supply system, metalwork to be formed, driving plate,
Cavity plate, the discharge power supply system are connect with metalwork to be formed and driving plate respectively by conducting wire, and the cavity plate, which is positioned over, to be waited for
Between formed metal element and driving plate, cavity plate Forming Workpiece contour shape side is close to metalwork to be formed；The device passes through to driving
Movable plate and metalwork to be formed directly apply same direction current so that the two generate attraction so that metalwork to be formed to
Cavity plate side moves, and since cavity plate Forming Workpiece contour shape limits, and forms required formed metal element.
2. a kind of electromagnetic attraction building mortion according to claim 1, which is characterized in that further include the entire dress of a conduct
The pedestal of bottom set seat offers cavity corresponding with driving plate shape among the pedestal for placing driving plate；Driving plate with
The conducting wire of connection driving plate is screwed tight by housing screw on pedestal.
3. a kind of electromagnetic attraction building mortion according to claim 2, which is characterized in that on the metalwork to be formed
Side is provided with pressing plate, and the pressing plate, metalwork to be formed, cavity plate are screwed tight by pressing plate housing screw on pedestal.
4. a kind of electromagnetic attraction building mortion according to claim 3, which is characterized in that further include a rubber sheet gasket,
The rubber sheet gasket is placed between pressing plate and metalwork to be formed to ensure the conducting wire connecting with metalwork to be formed and wait for into
Good contact between shape metalwork.
5. a kind of electromagnetic attraction building mortion according to claim 1, which is characterized in that the metalwork to be formed
Shape is the metallic conductor for including metallic plate, metal bar.
6. a kind of electromagnetic attraction building mortion according to claim 1, which is characterized in that the driving plate is with good
The material of good electric conductivity is provided with through-hole in driving plate, in order to be fixedly connected on pedestal.
7. a kind of electromagnetic attraction building mortion according to claim 1, which is characterized in that the pressing plate is insulation performance
Good material, there are four sunk screw through-holes for quadrangle setting above pressing plate, for positioning and connecting.
8. a kind of electromagnetic attraction building mortion according to claim 1, which is characterized in that further include the second gold to be formed
Belong to part, the second cavity plate, the second metalwork to be formed is connect by conducting wire with discharge power supply system, and the second cavity plate is positioned over second and waits for
Between formed metal element and driving plate, the second cavity plate Forming Workpiece contour shape side is close to the second metalwork to be formed.
9. a kind of electromagnetic attraction building mortion according to claim 1, which is characterized in that the discharge power supply system packet
Include AC power, transformer, rectification silicon stack, divider resistance, energy-storage capacitor, closure switch；AC power, transformer, rectification
Silicon stack, divider resistance, energy-storage capacitor, closure switch form charge circuit, energy-storage capacitor, closure switch, metal to be formed
Part and driving plate form discharge loop.
10. a kind of electromagnetic attraction manufacturing process based on any electromagnetic attraction building mortions of claim 1-8, special
Sign is, includes the following steps：
Step 1：Discharge power supply system is connect with metalwork to be formed and driving plate respectively by conducting wire, and cavity plate is positioned over and is waited for into
Between shape metalwork；
Step 2：It is closed the switch of discharge power supply system, treat formed metal element and driving plate while being applied with equidirectional electric current simultaneously
Magnetic field is generated, due to electromagnetic field effect so that metalwork to be formed is by the electromagnetic attraction for being directed toward driving plate；
Step 3：Metalwork to be formed by electromagnetic attraction to cavity plate side because being moved, since cavity plate shape contour limits metal
Part movement obtains required formed metal element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810452992.XA CN108480450A (en) | 2018-05-14 | 2018-05-14 | A kind of electromagnetic attraction building mortion and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810452992.XA CN108480450A (en) | 2018-05-14 | 2018-05-14 | A kind of electromagnetic attraction building mortion and method |
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| Publication Number | Publication Date |
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| CN108480450A true CN108480450A (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810452992.XA Pending CN108480450A (en) | 2018-05-14 | 2018-05-14 | A kind of electromagnetic attraction building mortion and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193546A (en) * | 2019-06-24 | 2019-09-03 | 华中科技大学 | A kind of device and method of single supply unicoil electromagnetic attraction form metal plate |
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| DE102015114863A1 (en) * | 2015-09-04 | 2017-03-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Forming process and forming device |
| CN107127243A (en) * | 2017-06-20 | 2017-09-05 | 华中科技大学 | A kind of electromagnetic pulse forming device and method of sheet metal |
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| CN103962437A (en) * | 2014-05-19 | 2014-08-06 | 华中科技大学 | Metal material plastic forming method through electromagnetic force driving |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110193546B (en) * | 2019-06-24 | 2020-07-10 | 华中科技大学 | Device and method for forming metal plate by single-power-supply single-coil electromagnetic attraction |
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