CN106734568B - Plate and pipes connecting method and device based on magnetic pulse formation - Google Patents
Plate and pipes connecting method and device based on magnetic pulse formation Download PDFInfo
- Publication number
- CN106734568B CN106734568B CN201611112136.7A CN201611112136A CN106734568B CN 106734568 B CN106734568 B CN 106734568B CN 201611112136 A CN201611112136 A CN 201611112136A CN 106734568 B CN106734568 B CN 106734568B
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- Prior art keywords
- coil
- plate
- collets
- blanket material
- flanging
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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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
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
Abstract
Plate and pipes connecting method and device based on magnetic pulse formation, belong to metal material processing molding field.Solve magnetic pulse forming techniques multi-working procedure processing course and there is the problem of mold changing efficiency is low, and massive coil cost of manufacture is high.The present invention first carries out the punching of blank, then magnetic field impulse flanging forming, the installation of pipe fitting is finally attached using magnetic pulse forming techniques, completes multistage manufacturing processes shaping using coil, forming process is rapidly and efficiently, Forming Workpiece high precision machining, impulse- free robustness, springs back small, flawless, without follow-up cleaning process and post weld heat treatment, the process flexibility that the forming limit of material is connected with plate with the electromagnetic pulse of tubing is significantly improved.Use is connected with pipe fitting suitable for carrying out plate.
Description
Technical field
The invention belongs to metal material processing molding field.
Background technology
Metallic plate and the connection of pipe structure, have a wide range of applications in actual life, such as feedwater piping in daily life
Babinet and water pipe connection, the connection of fuel tank and oil pipeline in automobile, aerospace craft, the connection of airplane operation bar,
Connection between metal and nonmetallic materials.So the connection mode between research plate and pipe has important practical value, magnetic arteries and veins
Connection between punching forming technology and conventional panels and pipe provides a kind of new forming mode.
With the progress of science and technology, the development of automobile, aerospace craft lightweight engineering, traditional punching, flange, company
Connection technology cannot meet the forming technology of complex parts, it is difficult to the forming limit of metal material is improved, and traditional forming technology
There are still many forming defectses, the crackle as caused by the fracture of flange bore edges, burr, punching, causes the matter of drip molding
Unstable, the defect such as cause metal material forming limit low of amount.And magnetic pulse forming techniques solve traditional processing well
Problem present in technique.
Metal material is punched out using magnetic pulse forming techniques, flange, connection.Workpiece accuracy formed thereby is high, nothing
The features such as burr, residual stress are small, rebound is small, and can complex parts be carried out with high-precision processing, drastically increase material
Forming limit.Magnetic pulse forming techniques have complied with automobile, the trend of aerospace craft lightweight engineering, improve light alloy material
Accurate Shaping, production process is quick, efficient, shortens the process-cycle, it can be achieved that production automation, mechanization.For automobile, space flight
Aircraft has saved fuel, improves environment, production process is environmentally protective, pollution-free.So magnetic pulse forming techniques have weight
The researching value wanted and huge economic benefit.
Although magnetic pulse forming techniques have very big advantage and development prospect than traditional processing technology, since it is more
Low in the presence of mold changing efficiency in process process, the realistic problem such as massive coil cost of manufacture height, the technology is in practical applications
There are still many deficiencies, it need further development, research and perfect.
The content of the invention
The present invention be in order to solve magnetic pulse forming techniques multi-working procedure processing course exist mold changing efficiency it is low, massive coil system
Make the problem of of high cost, it is proposed that plate and pipes connecting method and device based on magnetic pulse formation.
Plate and pipes connecting method of the present invention based on magnetic pulse formation, this method concretely comprise the following steps：
Step 1: opening up circular through hole at the center of No. two bases 12, and positioning is opened up in the upper surface of No. two bases 12
Groove, lower moulded board 14 is installed in the groove, and No.1 collets 15 are installed in the tubular construction of lower moulded board 14 and are used
The electromagnetic repulsion force produced with the circular plate coil 16 of buffering, the circle plate coil 16 are arranged on the tubular of No.1 collets 15
In structure；
Step 2: the positive and negative signal output part of the positive and negative anodes of circular plate coil 16 and electro-magnetic forming discharge system is connected
Connect, blanket material 17 is positioned over to the upside of lower moulded board 14, No.1 collets 15 and circular plate coil 16, and in blanket material
Flanging die 18 is placed in the upside of material 17, and punching mould core 19 is installed in the centre bore of flanging die 18；
Step 3: when the switch 1 of electro-magnetic forming discharge system closes, electro-magnetic forming discharge system is to circular plate coil
16 electric discharges, pulse current produce pulsed magnetic field, blanket material 17 after circular plate coil 16 in circular plate coil 16
In pulsed magnetic field, inductive loop, the pulsed magnetic field that inductive loop produces and circular tablet are produced on 17 surface of blanket material
On the contrary, two magnetic fields produce mutually exclusive magnetic field force, promotion blanket material 17 is transported upwards for the high-intensity magnetic field direction of rotation of coil 16
The dynamic right angle cutting edge with punching mould core 19 is had an effect, and completes the punching of blank, disconnects switch 1；
Step 4: the punching mould core 19 in step 3 is disassembled from flanging die 18, closure switch 1, electric again
Magnetic forming discharge system discharges circular plate coil 16, and pulse current is after circular plate coil 16, in circular flat printed line
Pulsed magnetic field is produced in circle 16, blanket material 17 is in pulsed magnetic field, and inductive loop, sensing are produced on 17 surface of blanket material
The high-intensity magnetic field direction of rotation of the pulsed magnetic field and circular plate coil 16 produced is vortexed on the contrary, two magnetic fields generations are mutually exclusive
Magnetic field force, promoting blanket material 17, movement is bonded with flanging die 18 upwards, completes the flanging forming of blanket material 17, disconnection is opened
Close 1；
Step 5: the flanging die 18 in step 5 is disassembled from blanket material 17, by circular plate coil 16
Disassembled out of No.1 collets 15 groove, the outside for the blanket material 17 expanding die 25 being set in after flange, and
Expanding die 25 is fixed by screw using No.1 upper cover plate 20；
Step 6: one end of telescopic rod 8 is installed to No.1 base 6 by bolt, steel core axle sleeve 7 and bulging coil 9
It is set on the body of rod of telescopic rod 8, and bulging coil 9 closes on the top setting of telescopic rod 8；
Step 7: extending telescopic rod 8, and the bulging coil 9 at the top of telescopic rod 8 is sent into the flange of blanket material 17
In hole afterwards, electro-magnetic forming discharge system discharges bulging coil 9, and the hole portion after flange is subject to effect and the bulging die of electromagnetic force
Tool 25 is bonded, and flanging bore surrounding is produced tiny undulatory protrusion, realize to hole wall after 17 flange of blanket material into
Traveling wave line bulging；
Step 8: the flanging bore of the blanket material 17 after step 7 ripple bulging is heat-treated, and to flanging bore
Overlap carry out surface derusting, expanding die 25 and No.1 upper cover plate 20 are disassembled from blanket material 17, will be connected
Pipe fitting is fixed in the through hole of upper molded plate 23, and No. two collets 21 are arranged on the outside of connecting pipe, and in No. two insulation
Connection coil 22 is arranged between block 21 and connecting pipe, No. two collets 21 are arranged on the downside of upper molded plate 23；
Step 9: upper molded plate 23 and the flanging bore of blanket material 17 are coaxially disposed, upper molded plate 23 and lower die are compressed
Pressing plate 14, makes the flanging bore of blanket material 17 be plugged in connecting pipe；
Step 10: extending telescopic rod 8, bulging coil 9 is unloaded, and the steel core axle sleeve 7 of the bottom of telescopic rod 8 is sent into base
In flanging bore after 17 ripple bulging of plate material, the overhead height of steel core axle sleeve 7 and flanging bore overhead height is set to flush placement, and
With flanging bore and connecting pipe coaxial placement；The positive and negative signal output part of electro-magnetic forming discharge system is with being connected the positive and negative of coil 22
Signal input part connects, and electro-magnetic forming discharge system discharges connection coil 22, and electro-magnetic forming discharge system is to connecting line
Instantaneous discharge is enclosed, when caused pulse magnet field force is more than the yield limit of connecting pipe, pipe fitting is being overlapped with flange plate
Area just produces magnetic field impulse jointing, completes connecting pipe and the connection of blanket material 17.
Plate and pipe joint based on magnetic pulse formation, the device include electro-magnetic forming discharge system, No.1 bottom
Seat 6, steel core axle sleeve 7, telescopic rod 8, bulging coil 9, No. two bases 12, lower moulded board 14, No.1 collets 15, circular flat printed lines
Circle 16, blanket material 17, flanging die 18, punching mould core 19,20, No. two collets 21 of No.1 upper cover plate, connection coil 22, on
Moulded board 23 and expanding die 25；
The center of No. two bases 12 opens up circular through hole, and opens up positioning groove, lower die in the upper surface of No. two bases 12
Pressing plate 14 and No.1 collets 15 are the tubular construction of upper side opening, the bottom of the lower moulded board 14 and No.1 collets 15
Circular through hole is provided with, No.1 collets 15 are installed in the tubular construction of lower moulded board 14, and the circle of No.1 collets 15 is led to
Hole is identical with the diameter of the circular through hole of lower 14 bottom of moulded board, and circular plate coil 16 is installed on the tubular of No.1 collets 15
In structure；And circular through hole on No.1 collets 15,15 bottom surface of circular through hole and No.1 collets of No. two 12 bottom surfaces of base
Circular through hole be coaxially disposed；
The top end face of No.1 collets 15 and the top end face of lower moulded board 14 are located at same level；Blanket material 17 is installed
No.1 collets 15 top end face institute in the horizontal plane；
Flanging die 18 is the tubular construction being open up and down, and the flanging die 18 is used for the blanket after punching
Material 17 carries out flange；When carrying out flange to blanket material 17, flanging die 18 is fixed on the upside of blanket material 17, and with one
Number collets 15 are coaxially disposed；
Punching mould core 19 is equipped with the tubular construction to turn edge outside for upper port；The punching mould core 19 is used for blanket material 17
It is punched out, when being punched out to blanket material 17, the tubular construction of punching mould core 19 is plugged on the tubular knot of flanging die 18
In structure, outer turn edge of punching mould core 19 is fixed on the upper surface of flanging die 18；
Power when electro-magnetic forming discharge system is used for 17 flange of blanket material and punching for circular plate coil 16；To base
Power during 17 ripple bulging of plate material to bulging coil 9；Power when pipe fitting is connected with blanket material 17 to connection coil 22；
Bulging coil 9 is in the hole after being plugged on the flange of blanket material 17, electro-magnetic forming discharge system to be to blanket material
Hole wall carries out ripple bulging after expecting 17 flange；Bulging coil 9 is set on the body of rod of telescopic rod 8, and telescopic rod 8 is fixedly mounted on one
At the center of number base 6；
Steel core axle sleeve 7 is used for when pipe fitting is connected with blanket material 17, is set on the body of rod of telescopic rod 8 and is plugged on blanket
In flanging bore after 17 ripple bulging of material, the overhead height of steel core axle sleeve 7 flushes placement with flanging bore overhead height, and with turning over
Lateral opening and connecting pipe coaxial placement；
No. two collets 21, connection coil 22 and upper molded plate 23 form crimping structure；Crimping structure is used in connecting tube
When part is connected with blanket material 17, the outside of connecting pipe is socketed in；
No. two collets 21 and upper molded plate 23 are the tubular construction of upper and lower opening, the tubular of No. two collets 21
Connection coil 22 is connected with structure, the connection coil 22 is disc-shaped structure, the upper surface of No. two collets 21 and upper mold
23 surface of pressing plate is bonded；No. two collets 21, connection coil 22 and upper molded plate 23 are coaxially disposed.
The present invention has following major advantage compared with prior art：
1. the present invention using coil complete multistage manufacturing processes shaping, forming process rapidly and efficiently, Forming Workpiece machining accuracy
Height, impulse- free robustness, springs back small, flawless, without follow-up cleaning process and post weld heat treatment, significantly improves the forming limit of material
The process flexibility connected with plate with the electromagnetic pulse of tubing.
2. the mold design of the present invention is simple in structure, multi-position furnace can be completed, reduces production cost.
3. magnetic pulse formation device of the present invention compared with traditional forming technology, has, mold design is simple, service life length,
Achievable high-speed, high accuracy to plate shapes, and shortens the process-cycle, greatly improves production efficiency, more suitable
Close and produce the advantages that being beneficial to realize automation, mechanization in enormous quantities.
It is a kind of practical technique of propagable application 4. process of the present invention is noiseless, pollution-free, environmentally protective.
Brief description of the drawings
Fig. 1 is the plate based on magnetic pulse formation and structure diagram during pipe joint progress blanket material punching；
Fig. 2 is swollen to hole wall progress ripple after blanket material flange based on the plate of magnetic pulse formation and pipe joint
Structure diagram during shape；
Fig. 3 is the sectional view of No.1 collets；
Fig. 4 is the top view of No.1 collets；
Fig. 5 is the sectional view of flanging die；
Fig. 6 is the top view of flanging die；
Fig. 7 is the sectional view of expanding die；
Fig. 8 is the top view of expanding die；
Fig. 9 is the sectional view of punching mould core；
Figure 10 is the top view of punching mould core.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one, illustrate present embodiment with reference to Fig. 1 to Figure 10, described in present embodiment based on magnetic field impulse
The plate and pipes connecting method of shaping, this method concretely comprise the following steps：
The step of punching of blank；
Step 1: opening up circular through hole at the center of No. two bases 12, and positioning is opened up in the upper surface of No. two bases 12
Groove, lower moulded board 14 is installed in the groove, and No.1 collets 15 are installed in the tubular construction of lower moulded board 14 and are used
The electromagnetic repulsion force produced with the circular plate coil 16 of buffering, the circle plate coil 16 are arranged on the tubular of No.1 collets 15
In structure；
Step 2: the positive and negative signal output part of the positive and negative anodes of circular plate coil 16 and electro-magnetic forming discharge system is connected
Connect, blanket material 17 is positioned over to the upside of lower moulded board 14, No.1 collets 15 and circular plate coil 16, and in blanket material
Flanging die 18 is placed in the upside of material 17, and punching mould core 19 is installed in the centre bore of flanging die 18；
Step 3: when the switch 1 of electro-magnetic forming discharge system closes, electro-magnetic forming discharge system is to circular plate coil
16 electric discharges, pulse current produce pulsed magnetic field, blanket material 17 after circular plate coil 16 in circular plate coil 16
In pulsed magnetic field, inductive loop, the pulsed magnetic field that inductive loop produces and circular tablet are produced on 17 surface of blanket material
On the contrary, two magnetic fields produce mutually exclusive magnetic field force, promotion blanket material 17 is transported upwards for the high-intensity magnetic field direction of rotation of coil 16
The dynamic right angle cutting edge with punching mould core 19 is had an effect, and completes the punching of blank, disconnects switch 1；
The step of magnetic field impulse flanging forming；
Step 4: the punching mould core 19 in step 4 is disassembled from flanging die 18, closure switch 1, electric again
Magnetic forming discharge system discharges circular plate coil 16, and pulse current is after circular plate coil 16, in circular flat printed line
Pulsed magnetic field is produced in circle 16, blanket material 17 is in pulsed magnetic field, and inductive loop, sensing are produced on 17 surface of blanket material
The high-intensity magnetic field direction of rotation of the pulsed magnetic field and circular plate coil 16 produced is vortexed on the contrary, two magnetic fields generations are mutually exclusive
Magnetic field force, promoting blanket material 17, movement is bonded with flanging die 18 upwards, completes the flanging forming of blanket material 17, disconnection is opened
Close 1；
Step 5: the flanging die 18 in step 5 is disassembled from blanket material 17, by circular plate coil 16
Disassembled out of No.1 collets 15 groove, the outside for the blanket material 17 expanding die 25 being set in after flange, and
Expanding die 25 is fixed by screw using No.1 upper cover plate 20；
Step 6: one end of telescopic rod 8 is installed to No.1 base 6 by bolt, steel core axle sleeve 7 and bulging coil 9
It is set on the body of rod of telescopic rod 8, and bulging coil 9 closes on the top setting of telescopic rod 8；
Step 7: extending telescopic rod 8, and the bulging coil 9 at the top of telescopic rod 8 is sent into the flange of blanket material 17
In hole afterwards, electro-magnetic forming discharge system discharges bulging coil 9, and the hole portion after flange is subject to effect and the bulging die of electromagnetic force
Tool 25 is bonded, and flanging bore surrounding is produced tiny undulatory protrusion, realize to hole wall after 17 flange of blanket material into
Traveling wave line bulging；
The installation of pipe fitting is attached using magnetic pulse forming techniques；
Step 8: the flanging bore of the blanket material 17 after step 7 ripple bulging is heat-treated, and to flanging bore
Overlap carry out surface derusting, expanding die 25 and No.1 upper cover plate 20 are disassembled from blanket material 17, will be connected
Pipe fitting is fixed in the through hole of upper molded plate 23, and No. two collets 21 are arranged on the outside of connecting pipe, and in No. two insulation
Connection coil 22 is arranged between block 21 and connecting pipe, No. two collets 21 are arranged on the downside of upper molded plate 23；
Step 9: upper molded plate 23 and the flanging bore of blanket material 17 are coaxially disposed, upper molded plate 23 and lower die are compressed
Pressing plate 14, makes the flanging bore of blanket material 17 be plugged in connecting pipe；
Step 10: extending telescopic rod 8, bulging coil 9 is unloaded, and the steel core axle sleeve 7 of the bottom of telescopic rod 8 is sent into base
In flanging bore after 17 ripple bulging of plate material, the overhead height of steel core axle sleeve 7 and flanging bore overhead height is set to flush placement, and
With flanging bore and connecting pipe coaxial placement；The positive and negative signal output part of electro-magnetic forming discharge system is with being connected the positive and negative of coil 22
Signal input part connects, and electro-magnetic forming discharge system discharges connection coil 22, and electro-magnetic forming discharge system is to connecting line
Instantaneous discharge is enclosed, when caused pulse magnet field force is more than the yield limit of connecting pipe, pipe fitting is being overlapped with flange plate
Area just produces magnetic field impulse jointing, completes connecting pipe and the connection of blanket material 17.
Embodiment two, present embodiment are to the plate based on magnetic pulse formation described in embodiment one
With the further explanation of pipes connecting method, step 7, which is further included, installs one end of telescopic rod 8 to No.1 base 6 by bolt
On step.
Telescopic rod described in present embodiment, realizes the transmission of bulging coil and the transmission of steel core axle sleeve.Bolt coat ring
Around card slot, realize that bulging coil and steel core shaft are sleeved on telescopic rod designated position and fix, complete bulging coil during Electromagnetic bulging
The transmission of steel core axle sleeve when transmission is connected with electromagnetism.
Embodiment three, present embodiment are to the plate based on magnetic pulse formation described in embodiment one
With the further explanation of pipes connecting method, step 8 further includes the flange to the blanket material 17 after step 7 ripple bulging
Hole is heat-treated, and the sub-step of the overlap progress surface derusting to flanging bore.
The flanging bore after Electromagnetic bulging described in present embodiment needs to meet certain rigidity, thus need by
Heat treatment improve flanging bore intensity and mechanical performance, in addition pipe fitting and flanging bore connection when among be equipped with steel core axle sleeve, with
Ensure in magnetic field impulse connection procedure not recurring structure unstability.
Plate and pipe joint based on magnetic pulse formation, the dress described in embodiment four, present embodiment
Put including electro-magnetic forming discharge system, No.1 base 6, steel core axle sleeve 7, telescopic rod 8, bulging coil 9, No. two bases 12, lower dies
Pressing plate 14, No.1 collets 15, circular plate coil 16, blanket material 17, flanging die 18, punching mould core 19, No.1 upper cover
20, No. two collets 21 of plate, connection coil 22, upper molded plate 23 and expanding die 25；
The center of No. two bases 12 opens up circular through hole, and opens up positioning groove, lower die in the upper surface of No. two bases 12
Pressing plate 14 and No.1 collets 15 are the tubular construction of upper side opening, the bottom of the lower moulded board 14 and No.1 collets 15
Circular through hole is provided with, No.1 collets 15 are installed in the tubular construction of lower moulded board 14, and the circle of No.1 collets 15 is led to
Hole is identical with the diameter of the circular through hole of lower 14 bottom of moulded board, and circular plate coil 16 is installed on the tubular of No.1 collets 15
In structure；And circular through hole on No.1 collets 15,15 bottom surface of circular through hole and No.1 collets of No. two 12 bottom surfaces of base
Circular through hole be coaxially disposed；
The top end face of No.1 collets 15 and the top end face of lower moulded board 14 are located at same level；Blanket material 17 is installed
On the horizontal plane；
Flanging die 18 is the tubular construction being open up and down, and the flanging die 18 is used for the blanket after punching
Material 17 carries out flange；When carrying out flange to blanket material 17, flanging die 18 is fixed on the upside of blanket material 17, and with one
Number collets 15 are coaxially disposed；
Punching mould core 19 is equipped with the tubular construction to turn edge outside for upper port；The punching mould core 19 is used for blanket material 17
It is punched out, when being punched out to blanket material 17, the tubular construction of punching mould core 19 is plugged on the tubular knot of flanging die 18
In structure, outer turn edge of punching mould core 19 is fixed on the upper surface of flanging die 18；
Power when electro-magnetic forming discharge system is used for 17 flange of blanket material and punching for circular plate coil 16；To base
Power during 17 ripple bulging of plate material to bulging coil 9；Power when pipe fitting is connected with blanket material 17 to connection coil 22；
Bulging coil 9 is used to be plugged in the hole after the flange of blanket material 17, to blanket after electro-magnetic forming discharge system
Hole wall carries out ripple bulging after 17 flange of material；Bulging coil 9 is set on the body of rod of telescopic rod 8, and telescopic rod 8 is fixedly mounted on
The center of No.1 base 6；
Steel core axle sleeve 7 is used for when pipe fitting is connected with blanket material 17, is set on the body of rod of telescopic rod 8 and is plugged on blanket
In flanging bore after 17 ripple bulging of material, the overhead height of steel core axle sleeve 7 flushes placement with flanging bore overhead height, and with turning over
Lateral opening and connecting pipe coaxial placement；
No. two collets 21, connection coil 22 and upper molded plate 23 form crimping structure；Crimping structure is used in connecting tube
When part is connected with blanket material 17, the outside of connecting pipe is socketed in；
No. two collets 21 and upper molded plate 23 are the tubular construction of upper and lower opening, the tubular of No. two collets 21
Connection coil 22 is connected with structure, the connection coil 22 is disc-shaped structure, the upper surface of No. two collets 21 and upper mold
23 surface of pressing plate is bonded；No. two collets 21, connection coil 22 and upper molded plate 23 are coaxially disposed.
Embodiment five, present embodiment are to the plate based on magnetic pulse formation described in embodiment four
With the further explanation of pipe joint, it further includes two No.1 columns 11 and a No.1 cover board 20；
Two No.1 columns 11 are each attached on No. two bases 12, and two No.1 columns 11 are located at lower molding respectively
The both sides of plate 14, and set with the central axes of No. two bases 12 into axial symmetry；The both ends of No.1 cover board 20 are provided with two interfaces,
Two No.1 columns 11 are plugged in described two interfaces respectively, and No.1 cover board 20 is fixed on two No.1s by fastening bolt
On column 11, the No.1 cover board 20 is used for grafting bolt, and the bolt is used to carry out flanging die 18 or expanding die 25
It is fixed.
Embodiment six, present embodiment are to the plate based on magnetic pulse formation described in embodiment five
With the further explanation of pipe joint, it further includes two No. two columns 13 and No. two cover boards 24；
Two No. two columns 13 are each attached on No. two bases 12, and two No.1 columns 11 are located at lower molding respectively
The both sides of plate 14, and set with the central axes of No. two bases 12 into axial symmetry；The both ends of No. two cover boards 24 are provided with two interfaces,
Two No. two columns 13 are plugged in described two interfaces respectively, and No. two cover boards 24 are fixed on two No. two by fastening bolt
On column 13, No. two cover boards 24 are used for grafting bolt, the bolt be used for No. two collets 21 and upper molded plate 23 into
Row is fixed.
Embodiment seven, present embodiment are to the plate based on magnetic pulse formation described in embodiment four
With the further explanation of pipe joint, 19 bottom inside cross-section of punching mould core is 90 ° of right angle cutting edges.
Embodiment eight, present embodiment are to the plate based on magnetic pulse formation described in embodiment four
With the further explanation of pipe joint, electro-magnetic forming discharge system includes switch 1, storage capacitor 2, current-limiting resistance 3, rectification
Device 4 and step-up transformer 5；
One end of switch 1 connects one end of storage capacitor 2 and one end of the secondary coil of step-up transformer 5 at the same time, and boosting becomes
The power supply signal input of the other end connection rectifier 4 of the secondary coil of depressor 5, the other end connection current-limiting resistance 3 of rectifier 4
One end, current-limiting resistance 3 the other end connection storage capacitor 2 the other end, the other end of the current-limiting resistance 3 is electro-magnetic forming
The positive power supply signal output terminal of discharge system, the other end for switching 1 are that the negative sense power supply signal of electro-magnetic forming discharge system is defeated
Outlet.
In the present invention, upper molded plate is bolted in upper cover plate, pre- centering position, when electromagnetism is connected with
The lower fixed flanging bore of moulded board interaction.Lower moulded board acts on respectively with flanging die, expanding die and upper molded plate, Gu
Fixed board material blank is respectively completed electromagnetism punching, electromagnetism flange, Electromagnetic bulging are connected with electromagnetism.
Punching mould core and the rounded tubular of flanging die, punching mould core are spliced in the installation through-hole of flanging die, are used
Bolt is locked, and wherein punching mould core punching inside cross-section is 90 ° of right angle cutting edges, easy to complete piercing and shaping die；The flange
Die inside cross section is beneficial to the formation of fitting flanging bore for arc.
Connecting pipe is fixed in upper cover plate by bolt by upper molded plate, installed in at flanging bore symmetrical centre axis,
Slided by upper cover plate or so bolt, carry out electromagnetism connection.The side of lower moulded board is equipped with the circular positive and negative two-stage of plate coil and opens
The line outlet gone out.The promising positioning groove for placing circular plate coil of lower moulded board cylindrical drum upper surface middle part.
After flanging die and punching mould core are fixed with bolt and lower moulded board, the lower end of flanging die and punching mould core
Face is with plate blank surface in same level.
Using 1040 aluminium alloy plates as processing plate blank, discharged using capacitor circular plate coil, complete punching
Hole shapes；Punching mould core is removed, then carries out electric discharge flanging forming；Telescopic rod is opened afterwards, bulging coil is risen to bulging
The precalculated position of mould, completes electric discharge Electromagnetic bulging shaping；Expanding die is unloaded, upper cover plate is slided, makes upper molded plate with bolt
The flanging bore after bulging is fixed with lower moulded board, using capacitor to connecting coil discharge, completes electromagnetism connection.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (7)
1. plate and pipes connecting method based on magnetic pulse formation, it is characterised in that this method concretely comprises the following steps：
Step 1: opening up circular through hole at the center of No. two bases (12), and positioning is opened up in the upper surface of No. two bases (12)
Groove, lower moulded board (14) is installed in the positioning groove, and installation No.1 is exhausted in the tubular construction of lower moulded board (14)
For edge block (15) to buffer the electromagnetic repulsion force of circular plate coil (16) generation, the circle plate coil (16) is arranged on No.1
In the tubular construction of collets (15)；
Step 2: the positive and negative anodes of circular plate coil (16) are connected with the positive and negative signal output part of electro-magnetic forming discharge system,
Blanket material (17) is positioned over to the upside of lower moulded board (14), No.1 collets (15) and circular plate coil (16), and
Flanging die (18) is placed in the upside of blanket material (17), the installation punching mould core (19) in the centre bore of flanging die (18)；
Step 3: when switch (1) closure of electro-magnetic forming discharge system, electro-magnetic forming discharge system is to circular plate coil
(16) discharge, pulse current produces pulsed magnetic field, blanket after circular plate coil (16) in circular plate coil (16)
Material (17) is in pulsed magnetic field, and inductive loop, the pulsed magnetic field that inductive loop produces are produced on blanket material (17) surface
High-intensity magnetic field direction of rotation with circular plate coil (16) is on the contrary, two magnetic fields produce mutually exclusive magnetic field force, promotion blanket
Material (17) upwards have an effect by movement and the right angle cutting edge of punching mould core (19), completes the punching of blank, disconnects switch (1)；
Step 4: the punching mould core (19) in step 3 is disassembled from flanging die (18), closure switch (1) again,
Electro-magnetic forming discharge system discharges circular plate coil (16), and pulse current is after circular plate coil (16), in circle
Pulsed magnetic field is produced in plate coil (16), blanket material (17) is in pulsed magnetic field, is produced on blanket material (17) surface
Inductive loop, the pulsed magnetic field of inductive loop generation is with the high-intensity magnetic field direction of rotation of circle plate coil (16) on the contrary, two magnetic
Field produces mutually exclusive magnetic field force, and promoting blanket material (17), movement is bonded with flanging die (18) upwards, completion blanket material
Expect the flanging forming of (17), disconnect switch (1)；
Step 5: flanging die (18) is disassembled from blanket material (17), circular plate coil (16) is exhausted from No.1
Disassembled in the groove of edge block (15), the outside for the blanket material (17) expanding die (25) being set in after flange, and profit
Expanding die (25) is fixed by screw with No.1 upper cover plate (20)；
Step 6: one end of telescopic rod (8) is installed to No.1 base (6) by bolt, steel core axle sleeve (7) and bulging coil
(9) it is set on the body of rod of telescopic rod (8), and bulging coil (9) closes on the top setting of telescopic rod (8)；
Step 7: extending telescopic rod (8), and the bulging coil (9) at the top of telescopic rod (8) is sent into blanket material (17)
In hole after flange, electro-magnetic forming discharge system discharges bulging coil (9), the hole portion after flange be subject to the effect of electromagnetic force with
Expanding die (25) is bonded, and flanging bore surrounding is produced tiny undulatory protrusion, is realized and blanket material (17) is turned over
Hole wall carries out ripple bulging behind side；
Step 8: the flanging bore of the blanket material (17) after step 7 ripple bulging is heat-treated, and to flanging bore
Overlap carries out surface derusting, and expanding die (25) and No.1 upper cover plate (20) are disassembled from blanket material (17), will
Connecting pipe is fixed in the through hole of upper molded plate (23), and No. two collets (21) are arranged on the outside of connecting pipe, and
No. two collets (21) are arranged between connecting pipe is connected coil (22), and No. two collets (21) are arranged on upper molded plate
(23) downside；
Step 9: upper molded plate (23) and the flanging bore of blanket material (17) are coaxially disposed, upper molded plate (23) is compressed with
Moulded board (14), makes the flanging bore of blanket material (17) be plugged in connecting pipe；
Step 10: extending telescopic rod (8), bulging coil (9) is unloaded, and the steel core axle sleeve (7) of the bottom of telescopic rod (8) is sent
Enter in the flanging bore after blanket material (17) ripple bulging, make the overhead height of steel core axle sleeve (7) and flanging bore overhead height neat
Placing flat, and with flanging bore and connecting pipe coaxial placement；The positive and negative signal output part and connecting line of electro-magnetic forming discharge system
The positive and negative signal input part connection of (22) is enclosed, electro-magnetic forming discharge system discharges connection coil (22), and electro-magnetic forming is put
Electric system is to connecting coil instantaneous discharge, when caused pulse magnet field force is more than the yield limit of connecting pipe, connecting tube
Part just produces magnetic field impulse jointing with flange plate in overlap, completes connecting pipe and the connection of blanket material (17).
2. plate and pipes connecting method according to claim 1 based on magnetic pulse formation, it is characterised in that step 7
Further include and install one end of telescopic rod (8) to the step on No.1 base (6) by bolt.
3. plate and pipe joint based on magnetic pulse formation, it is characterised in that the device includes electro-magnetic forming electric discharge system
System, No.1 base (6), steel core axle sleeve (7), telescopic rod (8), bulging coil (9), No. two bases (12), lower moulded board (14), one
Number collets (15), circular plate coil (16), blanket material (17), flanging die (18), punching mould core (19), No.1 upper cover
Plate (20), No. two collets (21), connection coil (22), upper molded plate (23) and expanding die (25)；
The center of No. two bases (12) opens up circular through hole, and opens up positioning groove, lower die in the upper surface of No. two bases (12)
Pressing plate (14) and No.1 collets (15) are the tubular construction of upper side opening, the lower moulded board (14) and No.1 collets
(15) bottom is provided with circular through hole, and No.1 collets (15) are installed in the tubular construction of lower moulded board (14), and No.1 is exhausted
The circular through hole of edge block (15) is identical with the diameter of the circular through hole of lower moulded board (14) bottom, circular plate coil (16) installation
In the tubular construction of No.1 collets (15)；And circular through hole on No.1 collets (15), No. two base (12) bottom surfaces
Circular through hole and the circular through hole of No.1 collets (15) bottom surface are coaxially disposed；
The top end face of No.1 collets (15) and the top end face of lower moulded board (14) are located at same level；Blanket material (17) is pacified
Mounted in No.1 collets (15) top end face institute in the horizontal plane；
Flanging die (18) is the tubular construction being open up and down, and the flanging die (18) is used for the blanket after punching
Material (17) carries out flange；When carrying out flange to blanket material (17), flanging die (18) is fixed on the upper of blanket material (17)
Side, and be coaxially disposed with No.1 collets (15)；
Punching mould core (19) is equipped with the tubular construction to turn edge outside for upper port；The punching mould core (19) is used for blanket material
(17) it is punched out, when being punched out to blanket material (17), the tubular construction of punching mould core (19) is plugged on flanging die
(18) in tubular construction, outer turn edge of punching mould core (19) is fixed on the upper surface of flanging die (18)；
It is circular plate coil (16) power supply when electro-magnetic forming discharge system is used for blanket material (17) flange and punching；To base
Power during plate material (17) ripple bulging to bulging coil (9)；To connecting coil when connecting pipe is connected with blanket material (17)
(22) power；
Bulging coil (9) is used to be plugged in the hole after the flange of blanket material (17), to blanket after electro-magnetic forming discharge system
Hole wall carries out ripple bulging after material (17) flange；Bulging coil (9) is set on the body of rod of telescopic rod (8), and telescopic rod (8) is solid
Dingan County is mounted in the center of No.1 base (6)；
Steel core axle sleeve (7) is used for when connecting pipe is connected with blanket material (17), is set in grafting on the body of rod of telescopic rod (8)
In flanging bore after blanket material (17) ripple bulging, the overhead height of steel core axle sleeve (7) is flushed with flanging bore overhead height
Place, and with flanging bore and connecting pipe coaxial placement；
No. two collets (21), connection coil (22) and upper molded plate (23) form crimping structure；Crimping structure is used to connect
When pipe fitting is connected with blanket material (17), the outside of connecting pipe is socketed in；
No. two collets (21) and upper molded plate (23) are the tubular construction of upper and lower opening, the cylinder of No. two collets (21)
Connection coil (22) is connected with shape structure, the connection coil (22) is disc-shaped structure, the upper table of No. two collets (21)
Face is bonded with upper molded plate (23) surface；No. two collets (21), connection coil (22) and upper molded plate (23) are coaxially disposed.
4. plate and pipe joint according to claim 3 based on magnetic pulse formation, it is characterised in that it is also wrapped
Include two No.1 columns (11) and a No.1 cover board (20)；
Two No.1 columns (11) are each attached on No. two bases (12), and two No.1 columns (11) are located at lower die respectively
The both sides of pressing plate (14), and set with the central axes of No. two bases (12) into axial symmetry；The both ends of No.1 cover board (20) are provided with two
A interface, two No.1 columns (11) are plugged in described two interfaces respectively, and No.1 cover board (20) passes through fastening bolt
It is fixed on two No.1 columns (11), the No.1 cover board (20) is used for grafting bolt, and the bolt is used for flanging die
(18) or expanding die (25) is fixed.
5. plate and pipe joint according to claim 4 based on magnetic pulse formation, it is characterised in that it is also wrapped
Include two No. two columns (13) and No. two cover boards (24)；
Two No. two columns (13) are each attached on No. two bases (12), and described two No. two columns (11) are located at lower die respectively
The both sides of pressing plate (14), and set with the central axes of No. two bases (12) into axial symmetry；The both ends of No. two cover boards (24) are provided with two
A interface, two No. two columns (13) are plugged in described two interfaces respectively, and No. two cover boards (24) pass through fastening bolt
It is fixed on two No. two columns (13), No. two cover boards (24) are used for grafting bolt, and the bolt is used to insulate to No. two
Block (21) and upper molded plate (23) are fixed.
6. plate and pipe joint according to claim 3 based on magnetic pulse formation, it is characterised in that piercing die
Benevolence (19) bottom inside cross-section is 90 ° of right angle cutting edges.
7. plate and pipe joint according to claim 3 based on magnetic pulse formation, it is characterised in that electromagnetism into
Shape discharge system includes switch (1), storage capacitor (2), current-limiting resistance (3), rectifier (4) and step-up transformer (5)；
One end of switch (1) connects one end of storage capacitor (2) and one end of the secondary coil of step-up transformer (5) at the same time, boosts
The power supply signal input of the other end connection rectifier (4) of the secondary coil of transformer (5), the other end connection of rectifier (4)
One end of current-limiting resistance (3), the other end of the other end connection storage capacitor (2) of current-limiting resistance (3), the current-limiting resistance (3)
The other end be electro-magnetic forming discharge system positive power supply signal output terminal, switch (1) the other end for electro-magnetic forming electric discharge
The negative sense power supply signal output terminal of system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611112136.7A CN106734568B (en) | 2016-12-06 | 2016-12-06 | Plate and pipes connecting method and device based on magnetic pulse formation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611112136.7A CN106734568B (en) | 2016-12-06 | 2016-12-06 | Plate and pipes connecting method and device based on magnetic pulse formation |
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| CN107096815B (en) * | 2017-06-05 | 2018-09-28 | 三峡大学 | A kind of the pipe fitting electromagnetism hemmer and method of radial-axial electromagnetic force timesharing load |
| CN108162455B (en) * | 2017-12-22 | 2019-06-28 | 大连坤达自动化有限公司 | A kind of current vortex magnetic field times power output device |
| CN109202257A (en) * | 2018-11-29 | 2019-01-15 | 哈工大机器人（岳阳）军民融合研究院 | Metal tube and metal plate Joining Technology and structure based on magnetic pulse welding techniques |
| CN112845842B (en) * | 2020-12-18 | 2022-06-03 | 长沙理工大学 | Magnetic pulse punching-flanging integrated manufacturing method and device |
| CN113517158A (en) * | 2021-07-13 | 2021-10-19 | 西安交通大学 | Flexible electromagnetic repulsion coil with embedded buffer structure |
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| GB2275920B (en) * | 1993-03-11 | 1996-12-04 | Steingroever Magnet Physik | Method and apparatus for deforming container closures |
| DE102011007346B4 (en) * | 2011-04-14 | 2012-12-06 | Aktiebolaget Skf | Method for producing a plain bearing |
| CN103861930B (en) * | 2014-04-01 | 2015-08-19 | 哈尔滨工业大学 | A kind of magnetic pulse formation device and method of aluminum alloy plate materials minor diameter flanging bore |
| CN204262135U (en) * | 2014-11-18 | 2015-04-15 | 华中科技大学 | A kind of sheet metal electromagnetic pulse local flow progressive molding device |
| CN104841761B (en) * | 2015-04-24 | 2016-10-05 | 福州大学 | A kind of alloy sheets electromagnetism piercing and flanging manufacturing process and device |
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