CN208099018U - A kind of electromagnetism setup for drawing parts - Google Patents
A kind of electromagnetism setup for drawing parts Download PDFInfo
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- CN208099018U CN208099018U CN201820411018.4U CN201820411018U CN208099018U CN 208099018 U CN208099018 U CN 208099018U CN 201820411018 U CN201820411018 U CN 201820411018U CN 208099018 U CN208099018 U CN 208099018U
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- ladder
- plate
- spiral winding
- plate spiral
- plies
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Abstract
The utility model discloses a kind of electromagnetism setup for drawing parts, including：Cavity plate, ladder-like plate spiral winding and first pulse power；The number of plies of the ladder-like plate spiral winding is one layer or more, and the number of plies of the ladder-like plate spiral winding inner ring is fewer than the number of plies of outer ring；The opening direction of concave shaped cavity of the ladder-like plate spiral winding in the cavity plate and the non-contact setting of the cavity plate, two line ends of the ladder-like plate spiral winding are electrically connected with the first end and second end of first pulse power respectively.The coil of the utility model is ladder-like, the number of plies of ladder-like plate spiral winding inner ring is fewer than the number of plies of outer ring, there is an incremental electromagnetic force from inside to outside, improve the distribution of electromagnetic force of classic flat-plate coil, to obtain better drawing effect, it solves currently when carrying out electromagnetism drawing, the magnetic field of plate coil and distribution of electromagnetic force are unreasonable, it is difficult to the technical issues of obtaining good cylinder-shaped drawing effect.
Description
Technical field
The utility model relates to material forming field more particularly to a kind of electromagnetism setup for drawing parts.
Background technique
The method of traditional cylindrical part forming is drawing, using a set of fixture for forming and press machine with concave-convex mold,
High production cost, period are long.It is easy to appear wrinkling, setting meeting drawing crack in drawing process, and high-intensitive hardly possible is shaped
Traditional processing method is difficult to manufacture for metal material.
Electromagnetic pulse forming is a kind of method for carrying out High-speed machining to metal works using pulse magnet field force, and material is in arteries and veins
The forming property that can be obtained higher than under conventional ones processing is rushed under the conditions of magnetic field force high-speed deformation.
Present electromagnetic pulse forming uses plate lower coil substantially, but existing plate coil is when carrying out drawing,
Due to the irrational distribution in magnetic field and electromagnetic force, it is finally difficult to good cylinder-shaped drawing effect.
Therefore, it results in currently when carrying out electromagnetism drawing, the magnetic field of plate coil and distribution of electromagnetic force are unreasonable, it is difficult to
The technical issues of obtaining good cylinder-shaped drawing effect.
Utility model content
The utility model discloses a kind of electromagnetism setup for drawing parts, solve currently when carrying out electromagnetism drawing, plate coil
Magnetic field and distribution of electromagnetic force it is unreasonable, it is difficult to the technical issues of obtaining good cylinder-shaped drawing effect.
The utility model discloses a kind of electromagnetism setup for drawing parts, including：Cavity plate, ladder-like plate spiral winding and the first arteries and veins
Rush power supply；
The number of plies of the ladder-like plate spiral winding is one layer or more, the ladder-like each circle of plate spiral winding
The number of plies is successively successively decreased from the inside to the outside；
The opening direction of concave shaped cavity of the ladder-like plate spiral winding in the cavity plate with the cavity plate is non-contact sets
It sets, first end and second end of two line ends of the ladder-like plate spiral winding respectively with first pulse power is electrically connected
It connects.
Preferably, further include：Blank holder；
The blank holder is for plate to be fixed between the blank holder and the cavity plate.
Preferably, further include：Non- ladder-like plate spiral winding and second pulse power；
The number of plies of the non-ladder-like plate spiral winding be one layer or more, the non-ladder-like plate spiral winding it is interior
The number of plies of circle and the number of plies of outer ring are consistent；
The non-ladder-like plate helix snare is in the outside of the cavity plate, the cavity plate and the non-ladder-like plate
The non-contact setting of spiral winding；
Two line ends of the non-ladder-like plate spiral winding respectively with the first end of second pulse power and
The electrical connection of two ends.
Preferably, further include：First fixing piece；
First fixing piece is insulating materials for fixing the ladder-like plate spiral winding, first fixing piece
Manufactured fixing piece, first fixing piece height on the axial direction of the ladder-like plate spiral winding is adjustable, passes through
The height for adjusting first fixing piece makes the ladder-like plate spiral winding close or far from the concave shaped cavity；
The ladder-like outermost diameter of plate spiral winding is less than the diameter of the concave shaped cavity.
Preferably, further include：Second fixing piece；
Second fixing piece is insulation material for fixing the non-ladder-like plate spiral winding, second fixing piece
Fixing piece made of expecting.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages that：
The utility model provides a kind of electromagnetism setup for drawing parts, including：Cavity plate, ladder-like plate spiral winding and the first arteries and veins
Rush power supply；The number of plies of the ladder-like plate spiral winding is one layer or more, the layer of the ladder-like plate spiral winding inner ring
Number is fewer than the number of plies of outer ring；The opening direction and the cavity plate of concave shaped cavity of the ladder-like plate spiral winding in the cavity plate
Non-contact setting, two line ends of the ladder-like plate spiral winding respectively with the first end of first pulse power and
The electrical connection of two ends.
A kind of electromagnetism setup for drawing parts disclosed by the utility model, ladder-like plate spiral winding presentation therein is ladder-like,
The number of plies of ladder-like plate spiral winding inner ring is fewer than the number of plies of outer ring, so stress at the center of ladder-like plate spiral winding
Minimum, stress is maximum at outmost turns, and ladder-like plate spiral winding has an incremental electromagnetic force from inside to outside, improves tradition
The distribution of electromagnetic force of plate coil solves currently when carrying out electromagnetism drawing, plate line to obtain better drawing effect
The magnetic field of circle and distribution of electromagnetic force are unreasonable, it is difficult to the technical issues of obtaining good cylinder-shaped drawing effect.
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, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the electromagnetism setup for drawing parts provided in the utility model embodiment；
Fig. 2 is that a kind of electromagnetism setup for drawing parts provided in the utility model embodiment carries out first time drawing when cup drawing
Effect picture afterwards；
Fig. 3 is that a kind of electromagnetism setup for drawing parts provided in the utility model embodiment carries out second of drawing when cup drawing
Preceding preparation figure；
Fig. 4 is that a kind of electromagnetism setup for drawing parts provided in the utility model embodiment carries out second of drawing when cup drawing
Effect picture afterwards；
Fig. 5 is that a kind of electromagnetism setup for drawing parts provided in the utility model embodiment carries out third time drawing when cup drawing
Preceding preparation figure；
Fig. 6 is that a kind of electromagnetism setup for drawing parts provided in the utility model embodiment carries out third time drawing when cup drawing
Effect picture afterwards；
Wherein, appended drawing reference is as follows：
1, ladder-like plate spiral winding；2, blank holder；3, non-ladder-like plate spiral winding；4, plate；5, cavity plate.
Specific embodiment
The utility model embodiment discloses a kind of electromagnetism setup for drawing parts, solves currently when carrying out electromagnetism drawing, puts down
The magnetic field of board coil and distribution of electromagnetic force are unreasonable, it is difficult to the technical issues of obtaining good cylinder-shaped drawing effect.
Fig. 1 to Fig. 6 is please referred to, a kind of one embodiment of the electromagnetism setup for drawing parts provided in the utility model embodiment,
Including：Cavity plate 5, ladder-like plate spiral winding 1 and first pulse power；
The number of plies of ladder-like plate spiral winding 1 is one layer or more, the number of plies of each circle of ladder-like plate spiral winding 1 from
It is interior to successively successively decreasing outside；
The opening direction of concave shaped cavity of the ladder-like plate spiral winding 1 in cavity plate 5 and the non-contact setting of cavity plate 5, it is ladder-like
Two line ends of plate spiral winding 1 are electrically connected with the first end and second end of first pulse power respectively.
It should be noted that the number of plies of ladder-like plate spiral winding 1 is one layer or more, the specific number of plies carries out as needed
Selection, the number of plies of ladder-like plate spiral winding 1 as shown in Figure 1 are five layers；
The number of plies of each circle of ladder-like plate spiral winding 1 is successively successively decreased from the inside to the outside, i.e., at the center of coil,
The number of plies of coil is fewer, as shown in Figure 1, the coil number of plies of innermost circle is 1, further away from the center of coil, the coil number of plies is more, most
The coil number of plies of outer layer is 5；
Make the stress at the center of ladder-like plate spiral winding 1 minimum by the different coil numbers of plies, it is ladder-like flat
Plate spiral winding 1 has an incremental electromagnetic force from inside to outside, improves the distribution of electromagnetic force of classic flat-plate coil, turns in raising
While the height of side, guarantee flange quality, to obtain better drawing effect；
The electric current passed through in coil when due to electromagnetism drawing is instantaneous Impulsive Current, so ladder-like plate spiral winding
1 two line ends are electrically connected with the first end and second end of first pulse power respectively.
Further, further include：Blank holder 2；
Blank holder 2 is for plate 4 to be fixed between blank holder 2 and cavity plate 5.
It should be noted that when first drawing process, when opposite material thickness is when 1.5-2.0% or first drawing process coefficient are equal to 0.6
Blank holder 2 can not be had to；
When each secondary drawing when opposite material it is thick 1-1.5% or opposite material it is thick be greater than 1.5% or first drawing process coefficient be greater than etc.
Blank holder 2 can not be had to when 0.8；
But can occur wrinkling in drawing process using blank holder 2 to avoid plate 4.
Further, further include：Non- ladder-like plate spiral winding 3 and second pulse power；
The number of plies of non-ladder-like plate spiral winding 3 is one layer or more, the layer of the inner ring of non-ladder-like plate spiral winding 3
Number is consistent with the number of plies of outer ring；
Non- 3 sets of the ladder-like plate spiral winding outsides in cavity plate 5, cavity plate 5 with non-ladder-like plate spiral winding 3 is non-connects
Touching setting；
First end and second end of two line ends of non-ladder-like plate spiral winding 3 respectively with second pulse power is electrically connected
It connects.
It should be noted that the number of plies of non-ladder-like plate spiral winding 3 is one layer or more, as shown in Figure 1, non-ladder-like
The number of plies of plate spiral winding 3 is 3 layers；
The number of plies of the inner ring of non-ladder-like plate spiral winding 3 is consistent with the number of plies of outer ring, i.e., the layer of the coil of each circle
Number is all equal, and as described in Figure 1, either the number of plies of inner ring and the number of plies of outer ring are all 3 layers；
Non- 3 sets of the ladder-like plate spiral winding outsides in cavity plate 5, cavity plate 5 with non-ladder-like plate spiral winding 3 is non-connects
Touching setting, first end and second end of two line ends of non-ladder-like plate spiral winding 3 respectively with second pulse power are electrically connected
It connects, when non-ladder-like plate spiral winding 3 powers on, radial electromagnetic force can be generated to plate 4, so that plate 4 is in drawing
Thinned in forming process does not occur at the same place, can be improved metal plastic deformation ability and deformation it is uniform
Property；
First pulse power and second pulse power can be the same pulse power and be also possible to two different pulses
Power supply, when first pulse power and second pulse power are the same pulse power, it is difficult to control ladder-like plate spiral shell respectively
The pulse current and discharge cycle of spin line circle 1 and non-ladder-like plate spiral winding 3, forming control effect are poor；
When first pulse power and second pulse power are two different pulse powers, can be controlled separately ladder-like
The pulse current and discharge cycle of plate spiral winding 1 and non-ladder-like plate spiral winding 3 can be convenient to obtain control electromagnetism drawing
Deep forming process.
Further, further include：First fixing piece；
First fixing piece is used for Fixed-order scalariform plate spiral winding 1, and the first fixing piece is fixed made of insulating materials
Part, the first fixing piece height on the axial direction of ladder-like plate spiral winding 1 is adjustable, by the height for adjusting the first fixing piece
Degree so that ladder-like plate spiral winding 1 close to or far from concave shaped cavity；
The outermost diameter of ladder-like plate spiral winding 1 is less than the diameter of concave shaped cavity.
It should be noted that the shape of the first fixing piece is not particularly limited in the present embodiment, it can be fixed frame, folder
Gripping arm or suspension device routinely can choose fixed frame or clamping limb；
In order to avoid being impacted when the energization of Fixed-order scalariform plate spiral winding 1 to the first fixing piece, the first fixing piece
For fixing piece made of insulating materials；
First fixing piece height on the axial direction of ladder-like plate spiral winding 1 is adjustable, it can it is solid to adjust first
Determine the height of part so that ladder-like plate spiral winding 1 close to or far from concave shaped cavity；
It can not have to mobile ladder-like plate spiral winding 1 when needing the depth of cylinder of drawing shallower, it is directly primary
Energization electromagnetism drawing and forming；
When needing the depth of cylinder of drawing deeper, can be moved up in the axial direction of ladder-like plate spiral winding 1
Ladder-like plate spiral winding 1 is moved, electromagnetism drawing is performed in multiple times；
As shown in Figures 1 to 6, being segmented into progress electromagnetism drawing, when first time drawing three times is powered and discharges, ladder-like
Plate spiral winding 1 generates axial electromagnetic force, and non-ladder-like plate spiral winding 3 generates radial electromagnetic force, and plate 4 is to recessed
After first time drawing, ladder-like plate spiral winding 1 is moved toward the direction close to concave shaped cavity for shape cavity direction deep-drawing deformation
It is dynamic, it is then electrified to and discharges carry out second of electromagnetism drawing, again by ladder-like plate spiral winding 1 after second of drawing
It toward close to the movement of the direction of concave shaped cavity, is powered and discharges, carry out third time drawing, finishing drawing forms cylindrical element；
Further, further include：Second fixing piece；
Second fixing piece is solid made of insulating materials for fixing non-ladder-like plate spiral winding 3, the second fixing piece
Determine part.
It should be noted that the second fixing piece is used to fix non-ladder-like plate spiral winding 3, in order to avoid non-ladder-like
Plate spiral winding 3 impacts the second fixing piece when being powered, and the second fixing piece is fixing piece made of insulating materials.
Electromagnetism setup for drawing parts disclosed in the present embodiment, ladder-like plate spiral winding 1 therein present it is ladder-like, it is ladder-like
The number of plies of 1 inner ring of plate spiral winding is fewer than the number of plies of outer ring, so stress is most at the center of ladder-like plate spiral winding 1
Small, stress is maximum at outmost turns, and ladder-like plate spiral winding 1 has an incremental electromagnetic force from inside to outside, improves tradition
The distribution of electromagnetic force of plate coil, to obtain better drawing effect；
The forming limit that electro-magnetic forming can improve metal material can effectively improve drawing height, and it is existing to reduce unstability, drawing crack etc.
As, and electro-magnetic forming is high-speed manufacturing process, can make cylindrical part rebound and corrugation reduction after forming, workpiece is by instantaneous
Deformation is completed by inertia after electromagnetic force, inertia force can slow down the generation of necking phenomenon, and the high speed of workpiece and mold is touched
It hits so that being under different stress states close to mold from far from die face, it is suppressed that the development of damage；
It is also provided with non-ladder-like plate spiral winding 3 simultaneously, non-ladder-like plate spiral winding 3 can generate radial electromagnetism
Power, radial electromagnetic force can make thinned in drawing process of metal blank not occur at the same place, and having can mention
The plastic deformation ability of high metal and the uniformity of deformation；
And electromagnetism setup for drawing parts structure is simple, concise in technology, does not need the devices such as punch-pin and press machine, electro-magnetic forming forming
Speed is fast, and work efficiency is high, and plate 4 improves the ess-strain shape in plate plastic history under multidirectional electromagnetic force
State；
In conclusion electromagnetism setup for drawing parts disclosed in the present embodiment solves currently when carrying out electromagnetism drawing, plate line
The magnetic field of circle and distribution of electromagnetic force are unreasonable, it is difficult to the technical issues of obtaining good cylinder-shaped drawing effect.
A kind of electromagnetism setup for drawing parts provided by the utility model is described in detail above, for the one of this field
As technical staff have change in specific embodiments and applications based on the idea of the embodiment of the present invention
Place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. a kind of electromagnetism setup for drawing parts, which is characterized in that including：Cavity plate, ladder-like plate spiral winding and first pulse power；
The number of plies of the ladder-like plate spiral winding is one layer or more, the number of plies of the ladder-like each circle of plate spiral winding
Successively successively decrease from the inside to the outside；
The opening direction of concave shaped cavity of the ladder-like plate spiral winding in the cavity plate and the non-contact setting of the cavity plate, institute
Two line ends for stating ladder-like plate spiral winding are electrically connected with the first end and second end of first pulse power respectively.
2. a kind of electromagnetism setup for drawing parts according to claim 1, which is characterized in that further include：Blank holder；
The blank holder is for plate to be fixed between the blank holder and the cavity plate.
3. a kind of electromagnetism setup for drawing parts according to claim 1, which is characterized in that further include：Non- ladder-like plate spiral
Coil and second pulse power；
The number of plies of the non-ladder-like plate spiral winding is one layer or more, the inner ring of the non-ladder-like plate spiral winding
The number of plies is consistent with the number of plies of outer ring；
The non-ladder-like plate helix snare is in the outside of the cavity plate, the cavity plate and the non-ladder-like plate spiral
The non-contact setting of coil；
Two line ends of non-ladder-like plate spiral winding first end and second end with second pulse power respectively
Electrical connection.
4. a kind of electromagnetism setup for drawing parts according to claim 1, which is characterized in that further include：First fixing piece；
For fixing the ladder-like plate spiral winding, first fixing piece is made first fixing piece of insulating materials
Fixing piece, first fixing piece on the axial direction of the ladder-like plate spiral winding height it is adjustable, pass through adjusting
The height of first fixing piece makes the ladder-like plate spiral winding close or far from the concave shaped cavity；
The ladder-like outermost diameter of plate spiral winding is less than the diameter of the concave shaped cavity.
5. a kind of electromagnetism setup for drawing parts according to claim 3, which is characterized in that further include：Second fixing piece；
Second fixing piece is insulating materials system for fixing the non-ladder-like plate spiral winding, second fixing piece
At fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411018.4U CN208099018U (en) | 2018-03-26 | 2018-03-26 | A kind of electromagnetism setup for drawing parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411018.4U CN208099018U (en) | 2018-03-26 | 2018-03-26 | A kind of electromagnetism setup for drawing parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208099018U true CN208099018U (en) | 2018-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820411018.4U Expired - Fee Related CN208099018U (en) | 2018-03-26 | 2018-03-26 | A kind of electromagnetism setup for drawing parts |
Country Status (1)
| Country | Link |
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| CN (1) | CN208099018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834151A (en) * | 2019-03-13 | 2019-06-04 | 中南大学 | A kind of the differential temperature electromagnetic forming method and forming device of plate micropore flange |
| CN111745032A (en) * | 2020-05-18 | 2020-10-09 | 厦门大学 | Electromagnetic forming device and method based on ultrasonic assistance |
-
2018
- 2018-03-26 CN CN201820411018.4U patent/CN208099018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834151A (en) * | 2019-03-13 | 2019-06-04 | 中南大学 | A kind of the differential temperature electromagnetic forming method and forming device of plate micropore flange |
| CN111745032A (en) * | 2020-05-18 | 2020-10-09 | 厦门大学 | Electromagnetic forming device and method based on ultrasonic assistance |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20200326 |