CN209491227U - A kind of sheet alloy inner hole electromagnetism flanging forming device - Google Patents
A kind of sheet alloy inner hole electromagnetism flanging forming device Download PDFInfo
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- CN209491227U CN209491227U CN201821182987.3U CN201821182987U CN209491227U CN 209491227 U CN209491227 U CN 209491227U CN 201821182987 U CN201821182987 U CN 201821182987U CN 209491227 U CN209491227 U CN 209491227U
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- flange coil
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Abstract
The utility model discloses a kind of sheet alloy inner hole electromagnetism flanging forming devices, including cavity plate, blank holder, the first flange coil and the second flange coil, first flange coil is set to the top of plate to be processed, first flange coil turns to several subcoils being mutually arranged by a conducting wire, the height for several subcoils being distributed from inside to outside gradually increases, and forms variable cross-section ceoncentrically wound coil structure；Second flange coil is sheathed on the outside of plate to be processed, and the second flange coil wants conducting wire to turn to several subcoils being mutually arranged by one, and the height for several subcoils being distributed from inside to outside is equal, forms multiturn ceoncentrically wound coil structure.The utility model increases radial boosting power to plate to be processed, improve the Plastic Flow of the plate to be processed around pre-manufactured hole, flow the plate to be processed around pre-manufactured hole into concave die cavity, improve flange height, it can avoid the phenomenon that cracking is easy to appear at flange when plate flanging forming, procedure of processing is simple, quick and high-efficient.
Description
Technical field
The utility model belongs to material and shapes technical field, is related to a kind of sheet alloy inner hole electromagnetism flanging forming dress
Set, refer in particular to it is a kind of with carried out under variable cross-section plate coil and the effect of radial boosting coil sheet alloy inner hole electromagnetism flange at
Shape dress is set.
Background technique
Traditional circular cross-esction part manufacturing process is added using a set of fixture for forming and press machine with punch-die
Work, this mode manufacturing cost is high, and the period is long, and is easy to appear cracking in turn-up process at flange.Especially for height
Intensity difficulty molding metallic material, traditional processing method are difficult to out circular cross-esction.
Electromagnetic pulse forming is a kind of method for carrying out High-speed machining to metal works using pulse magnet field force.Study table
Bright: material can be obtained under the conditions of pulse magnet field force high-speed deformation higher than the forming property under conventional ones processing, can be effective
Inhibit rebound and corrugation, so can solve the problems, such as traditional flange with electromagnetic pulse flanging forming.Existing electromagnetism hemmer is adopted
Flange coil is set to the top of plate to be processed.Flange coil wants conducting wire to turn to several sub-lines being mutually arranged by one
Circle, and the height for several subcoils being distributed from inside to outside is equal.Since the magnetic field of flange coil and the distribution of electromagnetic force do not conform to
Reason limits flange height, and leads to flange poor quality, and multiple discharge school shape is needed to improve precision, step is complicated, processing when
Between it is longer, reduce the efficiency of processing.
Therefore a kind of new loop construction and electromagnetism flanging forming technique are designed, so that magnetic field and electromagnetic force in forming process
Reasonable layout, improve flange height, to improve circular cross-esction quality be of great significance.
Utility model content
Utility model aims to solve existing electromagnetic pulse flanging forming there are the distributions of magnetic field and electromagnetic force not
Flange height rationally is limited, and leads to flange poor quality, multiple discharge school shape is needed to improve precision, step is complicated, processes
The problem of time is longer, reduces the efficiency of processing provides a kind of sheet alloy inner hole electromagnetism flanging forming device, can avoid plate
Expect the phenomenon that being easy to appear cracking at flange when flanging forming, improves flange height, procedure of processing easily and quickly, imitate by processing
Rate is high.
Following technical scheme can be used to reach in the purpose of this utility model:
A kind of sheet alloy inner hole electromagnetism flanging forming device, including cavity plate, blank holder and the first flange coil, the pressure
Flange is set to above cavity plate, and be equipped between blank holder and cavity plate with the plate to be processed that is magnetized and by plate top to be processed
It is pressed between the two；Pre-manufactured hole, the center line weight of the axis of the pre-manufactured hole and the cavity plate are provided on the plate to be processed
It closes；The first flange coil is set to the top of plate to be processed, and the first flange coil turns to several phases by a conducting wire
The height of the subcoil being mutually arranged, several subcoils being distributed from inside to outside gradually increases, and forms variable cross-section ceoncentrically wound coil structure；
Second flange coil is sheathed on the outside of plate to be processed, and the second flange coil wants conducting wire to turn to several to be mutually arranged by one
The height of subcoil, several subcoils being distributed from inside to outside is equal, forms multiturn ceoncentrically wound coil structure.
As a preferred solution, the electromagnetism flanging forming device further includes the second flange coil, and described second turns over
Sideline snare is set to the outside of plate to be processed, and the second flange coil wants conducting wire to turn to several sub-lines being mutually arranged by one
Circle, the height for several subcoils being distributed from inside to outside is equal, forms multiturn ceoncentrically wound coil structure.
Further, the first flange coil generates magnetic force and applies downward active force to plate to be processed；Described
Two flange coils generate magnetic force and apply the active force to horizontal direction cavity plate internal direction to plate to be processed.
Further, the first flange coil and the second flange coil external power supply system, power-supply system are simultaneously
One flange coil and the second flange coil charges and electric discharge.
Further, when the first flange coil and the second flange coil generate magnetic force, the edge of the pre-manufactured hole by
Lower flange is simultaneously in contact with the inner wall of cavity plate.
Implement the utility model, has the following beneficial effects:
1, while the variable cross-section ceoncentrically wound coil structure of the utility model applies downward active force to plate to be processed, multiturn
Ceoncentrically wound coil structure applies the active force to horizontal direction cavity plate internal direction to plate to be processed.Variable cross-section ceoncentrically wound coil structure changes
The regularity of distribution of electromagnetic force on the magnetic field of conventional electromagnetic flange and plate to be processed, so that outside from pre-manufactured hole toward plate to be processed
The electromagnetic force of edge point is successively reduced from big to small, and changes the direction of electromagnetic force during flanging forming, is effectively increased
Flange height reduces flanging coefficient, improves flange quality；Multiturn ceoncentrically wound coil structure generates the outer rim of plate to be processed inside
The electromagnetic force of compression increases radial boosting power to plate to be processed, improves the plasticity of the plate to be processed around pre-manufactured hole
Flowing, flows the plate to be processed around pre-manufactured hole into concave die cavity, further increases flange height, avoidable plate turns over
The phenomenon that side is easy to appear cracking when shaping at flange has procedure of processing easily and quickly, advantage high in machining efficiency.
2, downward magnetic force and the second flange that the plate to be processed of the utility model is generated by the first flange coil simultaneously
The effect for the inside magnetic force that coil generates.The inside magnetic force energy that second flange coil generates makes plate to be processed in flanging forming mistake
Evenness of wall thickness after improving flange height and forming in journey.The double electromagnetic shaped structure can improve the forming of metal material
Phenomena such as limit can effectively reduce flanging coefficient, reduce unstability, drawing crack, and flange after forming can expeditiously be made to spring back and rise
Wrinkle is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the plate to be processed of the embodiment 1 of the utility model sheet alloy inner hole electromagnetism flanging forming device is turned over
Status architecture schematic diagram before side；
Fig. 2 is that the plate to be processed of the embodiment 1 of the utility model sheet alloy inner hole electromagnetism flanging forming device is turned over
Status architecture schematic diagram after the completion of side；
Fig. 3 is that the plate to be processed of the embodiment 2 of the utility model sheet alloy inner hole electromagnetism flanging forming device is turned over
Status architecture schematic diagram before side；
Fig. 4 is that the plate to be processed of the embodiment 2 of the utility model sheet alloy inner hole electromagnetism flanging forming device is turned over
Status architecture schematic diagram behind side.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the present embodiment is related to electromagnetism flanging forming device, including cavity plate 1, blank holder 2 and first turn over
Sideline circle 3, the blank holder 2 is set to 1 top of cavity plate, and is equipped between blank holder 2 and cavity plate 1 with the plate to be processed being magnetized
Material 5 and by plate 5 to be processed press therebetween；Pre-manufactured hole 51 is provided on the plate to be processed 5, the pre-manufactured hole 51
Axis is overlapped with the center line of the cavity plate 1；The first flange coil 3 is set to the top of plate 5 to be processed, and the first flange
Coil 3 turns to several subcoils 31 being mutually arranged, the height for several subcoils 31 being distributed from inside to outside by a conducting wire
It gradually increases, forms variable cross-section ceoncentrically wound coil structure.
This structure applies downward active force to plate to be processed using variable cross-section ceoncentrically wound coil structure and changes conventional electromagnetic
The regularity of distribution of electromagnetic force on the magnetic field of flange and plate to be processed 5, so that from pre-manufactured hole 51 toward 5 peripheral edge portion of plate to be processed
Electromagnetic force successively reduce from big to small, and change the direction of electromagnetic force during flanging forming, effectively increase flange height
Degree reduces flanging coefficient, improves flange quality.
Embodiment 2
The present embodiment be on the basis of embodiment 1, it is described as shown in Fig. 3 and Fig. 4 as the improvement to flange coil
Electromagnetism flanging forming device further includes the second flange coil 4, and the second flange coil 4 is sheathed on the outside of plate 5 to be processed,
Second flange coil 4 is turned to the subcoil 31 that several mutual jackets are set by a conducting wire, several sub-lines being distributed from inside to outside
The height of circle 31 is equal, forms multiturn ceoncentrically wound coil structure.The variable cross-section ceoncentrically wound coil structure pair of this electromagnetism flanging forming device
While plate to be processed applies downward active force, multiturn ceoncentrically wound coil structure applies into horizontal direction cavity plate 1 plate to be processed
The active force in portion direction.Multiturn ceoncentrically wound coil structure generates the electromagnetic force being inwardly compressed to the outer rim of plate 5 to be processed, to be added
Work plate 5 increases radial boosting power, improves the Plastic Flow of the plate to be processed 5 around pre-manufactured hole 51, makes pre-manufactured hole 51
Around plate to be processed 5 to the intracavitary flowing of 1 type of cavity plate, further increase flange height, can avoid plate flanging forming when
The phenomenon that cracking is easy to appear at flange has procedure of processing easily and quickly, advantage high in machining efficiency.
The first flange coil 3 generates magnetic force and applies downward active force to plate 5 to be processed；Second flange
Coil 4 generates magnetic force and applies the active force to 1 internal direction of horizontal direction cavity plate to plate 5 to be processed.Plate 5 to be processed is simultaneously
The effect for the inside magnetic force that the downward magnetic force and the second flange coil 4 generated by the first flange coil 3 generates.Second flange
The inside magnetic force energy that coil 4 generates makes plate 5 to be processed improve the wall after flange height and forming during flanging forming
Thick uniformity.More electromagnetic force shaped structures can improve the forming limit of metal material, can effectively reduce flanging coefficient, reduce and lose
Surely, phenomena such as drawing crack, and flange rebound and corrugation reduction after forming can expeditiously be made.
4 external power supply system of the first flange coil 3 and the second flange coil, power-supply system are the first flange line simultaneously
Circle 3 and the second flange coil 4 are charged and discharged.Power-supply system charges and puts to the first flange coil 3 and the second flange coil 4
Electricity, the second flange coil 4 generate the electromagnetic force being inwardly compressed to plate 5 to be processed, and the first flange coil 3 is to plate 5 to be processed
Generate the electromagnetic force being pressed downward.Plate 5 to be processed deforms under the action of multi-direction electromagnetic force to lower flange, makes plate to be processed
5 are shaped to flange part.When the first flange coil 3 and the second flange coil 4 generate magnetic force, the side of the pre-manufactured hole 51
Edge is in contact to lower flange and with the inner wall of cavity plate 1.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered
Range.
Claims (5)
1. a kind of sheet alloy inner hole electromagnetism flanging forming device, which is characterized in that including cavity plate, blank holder and the first flange line
Circle, the blank holder are set to above cavity plate, and be equipped between blank holder and cavity plate with the plate to be processed that is magnetized and will be to
Process plate press therebetween；Pre-manufactured hole, the axis of the pre-manufactured hole and the cavity plate are provided on the plate to be processed
Center line be overlapped；The first flange coil be set to plate to be processed top, and the first flange coil by a conducting wire around
Several subcoils being mutually arranged are made, the height for several subcoils being distributed from inside to outside gradually increases, and it is same to form variable cross-section
Wire-core coil structure.
2. a kind of sheet alloy inner hole electromagnetism flanging forming device according to claim 1, which is characterized in that the electromagnetism
Flanging forming device further includes the second flange coil, and the second flange coil is sheathed on the outside of plate to be processed, and second turns over
Sideline circle wants conducting wire to turn to several subcoils being mutually arranged by one, the height phase for several subcoils being distributed from inside to outside
Deng formation multiturn ceoncentrically wound coil structure.
3. a kind of sheet alloy inner hole electromagnetism flanging forming device according to claim 2, which is characterized in that described first
Flange coil generates magnetic force and applies downward active force to plate to be processed；The second flange coil generates magnetic force and treats
Processing plate applies the active force to horizontal direction cavity plate internal direction.
4. a kind of sheet alloy inner hole electromagnetism flanging forming device according to claim 2, which is characterized in that described first
Flange coil and the second flange coil external power supply system, power-supply system are that the first flange coil and the second flange coil fill simultaneously
Electricity and electric discharge.
5. a kind of sheet alloy inner hole electromagnetism flanging forming device according to claim 2, which is characterized in that turned over first
When sideline circle and the second flange coil generate magnetic force, the edge of the pre-manufactured hole is connected to lower flange and with the inner wall of cavity plate
Touching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182987.3U CN209491227U (en) | 2018-07-24 | 2018-07-24 | A kind of sheet alloy inner hole electromagnetism flanging forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821182987.3U CN209491227U (en) | 2018-07-24 | 2018-07-24 | A kind of sheet alloy inner hole electromagnetism flanging forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209491227U true CN209491227U (en) | 2019-10-15 |
Family
ID=68150453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821182987.3U Expired - Fee Related CN209491227U (en) | 2018-07-24 | 2018-07-24 | A kind of sheet alloy inner hole electromagnetism flanging forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209491227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022198768A1 (en) * | 2021-03-23 | 2022-09-29 | 华中科技大学 | Precise forming apparatus and method for miniature metal device |
-
2018
- 2018-07-24 CN CN201821182987.3U patent/CN209491227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022198768A1 (en) * | 2021-03-23 | 2022-09-29 | 华中科技大学 | Precise forming apparatus and method for miniature metal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 Termination date: 20200724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |