CN208583871U - A kind of metal pipe material Electromagnetic bulging device - Google Patents
A kind of metal pipe material Electromagnetic bulging device Download PDFInfo
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- CN208583871U CN208583871U CN201820795848.1U CN201820795848U CN208583871U CN 208583871 U CN208583871 U CN 208583871U CN 201820795848 U CN201820795848 U CN 201820795848U CN 208583871 U CN208583871 U CN 208583871U
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- metal pipe
- pipe material
- sleeve
- bulging device
- inductive rod
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Abstract
The utility model relates to a kind of metal pipe material Electromagnetic bulging devices, including discharge power supply system, the discharge power supply system is connected separately with first sleeve, second sleeve by conducting wire, metal pipe material to be formed is connected between the first sleeve and second sleeve, it is placed with the inductive rod for generating induced current and electromagnetic field built in the metal pipe material to be formed, the boss protruded into metal pipe material to be formed for inductive rod positioning is respectively arranged in the first sleeve and second sleeve.The utility model provides a kind of metal pipe material Electromagnetic bulging device, it is compact-sized, electric current directly can be applied to metal pipe material, the lesser metal pipe material bulging of diameter can be used for, solved existing electromagnetic pulse forming technical process coil cost of manufacture height, be easy the technical problems such as failure.
Description
Technical field
The utility model relates to a kind of metal pipe material Electromagnetic bulging devices.
Background technique
Electromagnetic force is the power of workpiece deformation in electro-magnetic forming, it is different from general mechanical force, and workpiece exerts a force when deforming
Equipment with workpiece without directly being contacted, therefore workpiece surface is without mechanical scratch, without adding lubricant, workpiece surface matter
Amount is preferable.Workpiece deformation is derived from the magnetic field force induced effect of inside workpiece charged particle.Therefore, workpiece deforms uniform force, and remnants are answered
Power is small, and fatigue strength is high, and long service life does not influence the machinery, physics, chemical property of part, do not need hot place yet after processing
Reason.The control of electromagnetic force is accurate, can effectively reduce error.The technology is mainly used in aerospace, ship naval vessels, weapon dress
The fields such as standby and automobile manufacture, there is more application in metal pipe material bulging.
In traditional electro-magnetic forming, coil is the key position for converting electrical energy into magnetic field energy, and the structure of coil decides
The distribution in magnetic field and the size of driving force, directly affect the deformation of metal pipe material.But since coil itself exists
The problem of, it is easy effect by magnetic field force and current vortex fuel factor during discharge, easily cause its structure destroy and
Strength problem can thus cause problem at high cost in coil manufacturing process.In addition, being usually all in traditional electro-magnetic forming
Induced current is formed on metal pipe material, this requires metal pipe material be high conductivity material, and for low conductivity material by
Smaller in induced current, the electromagnetic force provided is inadequate, is eventually difficult to shape.Due to both, largely can
Limit extensive use of the electromagnetic forming technique in metal pipe material Bulging Technology.
Application of traditional electro-magnetic forming on metal pipe material is mainly technically characterized by using solenoid coil, such as Fig. 1 a
It is shown；Working principle is as shown in Figure 1 b.Charge power supply 2 first is right after the boosting of transformer 3, then after the rectification of rectified silicon stack 4
Storage capacitor 6 charges, and current-limiting resistance 5 is for limiting charge circuit electric current, when voltage reaches needed for the deformation of metal pipe material 9
When the voltage wanted, stop charging；Closure discharge switch discharges, can be empty around it when pulse current passes through coil 10
Between generate changing magnetic field, metal pipe material 8 to be formed is in changing magnetic field, can its surface generate induced current produce simultaneously
Raw electromagnetic field, when two electromagnetic fields, which form mutually exclusive electromagnetic force, reaches the yield strength that metal pipe material 8 to be formed deforms,
The shape for the metal pipe material 9 that metal pipe material 8 to be formed will be formed under electromagnetic force.This method has been only used for certain diameter
The bulging of metal pipe material just the use of coil is put forward higher requirements when metal pipe material diameter is smaller, such coil
It is not only difficult to make and its cost of manufacture is higher.
Summary of the invention
It is compact-sized the purpose of this utility model is to provide a kind of metal pipe material Electromagnetic bulging device, it can be directly to gold
Belong to tubing and apply electric current, the lesser metal pipe material bulging of diameter can be used for, solve existing electromagnetic pulse forming technical process middle line
It encloses cost of manufacture height, be easy the technical problems such as failure.
The technical solution of the utility model is: a kind of metal pipe material Electromagnetic bulging device, including discharge power supply system, institute
It states discharge power supply system and first sleeve, second sleeve is connected separately with by conducting wire, between the first sleeve and second sleeve
It is connected with metal pipe material to be formed, the induction for generating induced current and electromagnetic field is placed with built in the metal pipe material to be formed
Stick is respectively arranged in the first sleeve and second sleeve and protrudes into metal pipe material to be formed for the convex of inductive rod positioning
Platform.
Further, the discharge power supply system includes charge power supply, transformer, rectification silicon stack, current-limiting resistance, energy storage electricity
Container, closure switch；The charge power supply, transformer, rectification silicon stack, current-limiting resistance, energy-storage capacitor, closure switch formation are filled
Electrical circuit；The energy-storage capacitor, closure switch, metal pipe material to be formed, inductive rod, positioning convex platform, first sleeve and second
Sleeve forms discharge loop.
Further, the first sleeve and second sleeve be made of metal material respectively and outboard end be respectively arranged with it is blind
Hole, the double-end conducting wire of energy-storage capacitor are pressed on first sleeve and the corresponding blind hole of second sleeve through screw respectively
On.
Further, the internal diameter of the first sleeve and second sleeve is greater than the diameter of metal pipe material to be formed, first set
Cylinder and second sleeve are pressed on metal pipe material to be formed through rubber ring respectively.
Further, the metal pipe material to be formed is made of high conductivity material or low conductivity material, gold to be formed
The shape for belonging to tubing is cylindrical body, hexahedron or irregular shape.
Further, be provided with insulating layer between the metal pipe material to be formed and inductive rod, metal pipe material to be formed with
There is gap between inductive rod.
Further, the inductive rod is high conductivity material, and shape is cylindrical body, hexahedron or irregular shape
Shape.
Further, the shape of the metal pipe material to be formed is hollow cylinder, and the inductive rod is a copper cylindrical rod
Material.
Further, the positioning convex platform is for insulating materials and by the extension of pedestal and stretching first sleeve or second sleeve
Column composition.
Further, the pedestal of positioning convex platform is fixed in first sleeve or second sleeve through screw, and positioning convex platform prolongs
Column diameter is stretched less than pipe diameter.
Compared with prior art, the utility model has the advantage that
1. replacing the discharge coil of traditional electro-magnetic forming with inductive rod, structure is more simple, compact, and service life
It is longer, it can reuse, effectively reduce cost and difficulty of processing, solve existing electromagnetic pulse forming technical process coil
Cost of manufacture is high, is easy the technical problems such as failure；
2. directly electric current can be applied to metal pipe material, to control electromagnetic force size by control size of current, not only
The forming that can be used for high conductivity material can be also used for the forming of low conductivity material；
3. can be used for the lesser metal pipe material of form diameter compared with traditional electro-magnetic forming, also has structure simple, make
With the advantage that the service life is long.
Detailed description of the invention
Fig. 1 a is conventional metals tubing Electromagnetic bulging discharge coil structure；
Fig. 1 b is conventional metals tubing Electromagnetic bulging device；
Fig. 2 is the metal pipe material Electromagnetic bulging schematic diagram of the utility model；
Fig. 3 is the metal pipe material and inductive rod A-A sectional view of the utility model；
Fig. 4 a is the sleeve of the utility model and the main view of boss；
Fig. 4 b is the sleeve of the utility model and the left view of boss；
In figure: I- charge circuit, II- discharge loop, 1- solenoid coil, 2- charge power supply, 3- transformer, 4- rectify silicon
Heap, 5- current-limiting resistance, 6- energy-storage capacitor, 7- switch, 8- metal pipe material to be formed, 9- forming after metal pipe material, 10- coil,
11- inductive rod, 12a- first sleeve, 12b- second sleeve, 12c- blind hole, 13- boss, 13a- pedestal, 13b- extending column, 14-
Conducting wire.
Specific embodiment
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing,
It is described in detail below, but the utility model is not limited to this.
Referring to figs. 2 to Fig. 4 b
A kind of metal pipe material Electromagnetic bulging device, including discharge power supply system, the discharge power supply system pass through conducting wire 14
It is connected separately with first sleeve 12a, second sleeve 12b, metal to be formed is connected between the first sleeve and second sleeve
Tubing 8 is placed with the inductive rod 11 for generating induced current and electromagnetic field, the first set built in the metal pipe material to be formed
The boss 13 protruded into metal pipe material to be formed for inductive rod positioning is respectively arranged in cylinder and second sleeve.
In the present embodiment, the discharge power supply system includes charge power supply (can be AC power source) 2, transformer 3, rectification silicon
Heap 4, current-limiting resistance 5, energy-storage capacitor 6, closure switch 7；The charge power supply, transformer, rectification silicon stack, current-limiting resistance, storage
Energy capacitor, closure switch form charge circuit, and charging process is that charge power supply passes through 3 transformation of transformer, then rectified silicon is to 4
It charges after rectification to energy-storage capacitor 6.The energy-storage capacitor, metal pipe material to be formed, inductive rod, is determined at closure switch
Position boss, first sleeve and second sleeve form discharge loop.
In the present embodiment, the current-limiting resistance 5 is for limiting charge circuit size of current, and closure switch 7 are for controlling
The on-off of discharge loop electric current.
In the present embodiment, the first sleeve and second sleeve is made of metal material respectively and outboard end is respectively arranged with
Blind hole 12c, the double-end conducting wire 14 of energy-storage capacitor is pressed on first sleeve through screw respectively and second sleeve is corresponding
Blind hole on, to realize the energization of metal pipe material to be formed.
In the present embodiment, the internal diameter of the first sleeve and second sleeve is slightly larger than the diameter of metal pipe material to be formed, the
One sleeve and second sleeve are pressed on metal pipe material to be formed through rubber ring respectively, to guarantee to connect.
In the present embodiment, the metal pipe material to be formed is high conductivity material (such as aluminium tube or copper pipe) or low leads
Electric rate material (such as steel tubing or titanium alloy pipe) is made, the shape of metal pipe material to be formed be cylindrical body, hexahedron or
Person's irregular shape can control the size of electromagnetic force by control electric current.
In the present embodiment, insulating layer, metal pipe material to be formed are provided between the metal pipe material to be formed and inductive rod
There is gap between inductive rod, and lean on inductive rod with metal pipe material to be formed in the case where guaranteeing insulation
Closely.
In the present embodiment, the inductive rod is high conductivity material, and shape is cylindrical body, hexahedron or irregular shape
Shape can be chosen according to the type of pipe.
In the present embodiment, the shape of the metal pipe material to be formed is hollow cylinder, and the inductive rod is a copper coin column
Bar is placed in metal pipe material to be formed, can be used for the forming of metal pipe material to be formed.
In the present embodiment, the positioning convex platform for insulating materials and by pedestal 13a and stretches out first sleeve or second sleeve
Extending column 13b composition, the pedestal of positioning convex platform is fixed in first sleeve or second sleeve through screw, the extension of positioning convex platform
Column diameter is less than pipe diameter.
Application method: inductive rod is placed in metal pipe material to be formed, and completes determining for inductive rod by positioning convex platform
The both ends of metal pipe material to be formed are corresponded to external first sleeve and second sleeve, and make the conducting wire at energy-storage capacitor both ends by position
It is pressed on respectively by screw on the outboard end of first sleeve and second sleeve, according to the requirement of metal pipe material variable diameter to be formed,
It charges to energy-storage capacitor, after reaching discharge voltage required for metal pipe material deformation to be formed, stops charging, and straight
Connect and treat the electric discharge of form metal tubing, make inductive rod close to metal pipe material to be formed its surface generate reverse induction vortex and
Electromagnetic field, electromagnetic field can generate electromagnetic repulsion force, when the electromagnetic repulsion force of generation reaches the yield strength of metal pipe material to be formed, just
Metal pipe material to be formed can be driven to deform, be finally configured to required metal pipe material 9.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (10)
1. a kind of metal pipe material Electromagnetic bulging device, including discharge power supply system, which is characterized in that the discharge power supply system is logical
It crosses conducting wire and is connected separately with first sleeve, second sleeve, metal to be formed is connected between the first sleeve and second sleeve
Tubing is placed with the inductive rod for generating induced current and electromagnetic field, the first sleeve built in the metal pipe material to be formed
The boss for being used for inductive rod positioning is protruded into metal pipe material to be formed with being respectively arranged in second sleeve.
2. a kind of metal pipe material Electromagnetic bulging device according to claim 1, which is characterized in that the discharge power supply system
Including charge power supply, transformer, rectification silicon stack, current-limiting resistance, energy-storage capacitor, closure switch；The charge power supply, transformation
Device, rectification silicon stack, current-limiting resistance, energy-storage capacitor, closure switch form charge circuit；The energy-storage capacitor, closure switch,
Metal pipe material, inductive rod, positioning convex platform, first sleeve and second sleeve to be formed form discharge loop.
3. a kind of metal pipe material Electromagnetic bulging device according to claim 2, which is characterized in that the first sleeve and
Two sleeves are made of metal material respectively and outboard end is respectively arranged with blind hole, the double-end conducting wire warp of energy-storage capacitor
Screw is pressed on respectively in first sleeve and the corresponding blind hole of second sleeve.
4. a kind of metal pipe material Electromagnetic bulging device according to claim 1,2 or 3, which is characterized in that the first set
Cylinder and the internal diameter of second sleeve are greater than the diameter of metal pipe material to be formed, and first sleeve and second sleeve are compressed through rubber ring respectively
On metal pipe material to be formed.
5. a kind of metal pipe material Electromagnetic bulging device according to claim 1,2 or 3, which is characterized in that described to be formed
Metal pipe material is made of high conductivity material or low conductivity material, and the shape of metal pipe material to be formed is cylindrical body, hexahedron
Or irregular shape.
6. a kind of metal pipe material Electromagnetic bulging device according to claim 5, which is characterized in that the metal tube to be formed
It is provided with insulating layer between material and inductive rod, there is gap between metal pipe material to be formed and inductive rod.
7. a kind of metal pipe material Electromagnetic bulging device according to claim 5, which is characterized in that the inductive rod is led for height
Electric rate material, shape are cylindrical body, hexahedron or irregular shape.
8. a kind of metal pipe material Electromagnetic bulging device according to claim 1,2 or 3, which is characterized in that described to be formed
The shape of metal pipe material is hollow cylinder, and the inductive rod is a copper coin column bar.
9. a kind of metal pipe material Electromagnetic bulging device according to claim 2, which is characterized in that the positioning convex platform is exhausted
Edge material is simultaneously made of the extending column of pedestal and stretching first sleeve or second sleeve.
10. a kind of metal pipe material Electromagnetic bulging device according to claim 9, which is characterized in that the positioning convex platform
Pedestal is fixed in first sleeve or second sleeve through screw, and the extension column diameter of positioning convex platform is less than pipe diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820795848.1U CN208583871U (en) | 2018-05-25 | 2018-05-25 | A kind of metal pipe material Electromagnetic bulging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820795848.1U CN208583871U (en) | 2018-05-25 | 2018-05-25 | A kind of metal pipe material Electromagnetic bulging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208583871U true CN208583871U (en) | 2019-03-08 |
Family
ID=65534224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820795848.1U Expired - Fee Related CN208583871U (en) | 2018-05-25 | 2018-05-25 | A kind of metal pipe material Electromagnetic bulging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208583871U (en) |
-
2018
- 2018-05-25 CN CN201820795848.1U patent/CN208583871U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190308 Termination date: 20210525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |