CN113814309A - Magnetic pulse forming device suitable for high-strength thick pipe fitting - Google Patents

Magnetic pulse forming device suitable for high-strength thick pipe fitting Download PDF

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Publication number
CN113814309A
CN113814309A CN202111113995.9A CN202111113995A CN113814309A CN 113814309 A CN113814309 A CN 113814309A CN 202111113995 A CN202111113995 A CN 202111113995A CN 113814309 A CN113814309 A CN 113814309A
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China
Prior art keywords
welding table
welding
pipe fitting
anode
workbench
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CN202111113995.9A
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CN113814309B (en
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李成祥
周言
沈婷
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Chongqing University
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Chongqing University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/14Shaping 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30Installations of cables or lines on walls, floors or ceilings
    • H02G3/32Installations of cables or lines on walls, floors or ceilings using mounting clamps

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a magnetic pulse forming device suitable for high-strength thick pipe fittings, which comprises a workbench, wherein supporting legs are arranged at four top corners of the bottom of the workbench, a supporting frame is arranged at the center of the bottom of the workbench, a first welding table anode is arranged, connecting holes are formed in two ends of the top of the workbench, and a welding table is arranged in the connecting holes in the top of the workbench. The invention has the beneficial effects that: the magnetic pulse forming rotating assembly is designed, the rotating assembly is driven to rotate by a motor, the rotating assembly can adjust the distance between the anode of the first welding table and the cathode of the first welding table, meanwhile, the first helical gear rotates when the anode of the second welding table moves, the rotating assembly is matched with the second threaded rod and the second helical gear rotates, the second threaded rod rotates to limit the lifting of the top plate through threads, the first welding anode and the second welding anode vertically move up and down, and the cable is convenient to install and detach.

Description

Magnetic pulse forming device suitable for high-strength thick pipe fitting
Technical Field
The invention relates to a magnetic pulse forming device, in particular to a magnetic pulse forming device suitable for a high-strength thick pipe fitting, and belongs to the technical field of magnetic pulse forming.
Background
The electromagnetic pulse forming technology is a high-energy-rate metal shaping processing technology, a strong pulse magnetic field is utilized to act on a metal workpiece, so that the workpiece is shaped and deformed, the technology has wide application prospect in the field of metal material processing and forming, the technology is short in operation time, high in operation efficiency, green and environment-friendly, capable of improving the forming limit of metal and free of springback, particularly uniform in force applied to a pipe fitting, and has incomparable advantages in pipe fitting forming.
The magnetic pulse pipe fitting is formed by arranging a pipe fitting in the interior of a spiral coil, pulse heavy current circulates to the coil during working, the pulse heavy current can generate a transient strong magnetic field, the pipe fitting to be formed generates an induced eddy current and an induced strong magnetic field in the coil, and the pipe fitting to be formed can be contracted under strong Lorentz force.
The magnetic pulse pipe fitting forming device needs to connect the two ends of the spiral coil with the two ends of the cable in the using process, so that the magnetic pulse pipe fitting forming device is mostly inconvenient to install and disassemble in the connecting process, different cables need to be replaced due to different sizes of the cables, and the working difficulty of workers is easily increased.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a magnetic pulse forming apparatus suitable for a high-strength thick pipe.
The invention achieves the above-mentioned purpose through the following technical scheme, a magnetic pulse forming device suitable for high-strength thick pipe fittings, comprising:
the four top corners of the bottom of the workbench are respectively provided with a supporting leg, and the center of the bottom of the workbench is provided with a supporting frame;
the welding device comprises a first welding table cathode, a second welding table cathode and a welding machine, wherein connecting holes are formed in two ends of the top of the workbench, the two first welding table cathodes are installed in the connecting holes in the top of the workbench, the two first welding table cathodes extend to the bottom end of the bottom of the workbench through the connecting holes and are provided with connecting plates, and the top of the first welding table cathode is provided with the second welding table cathode;
the rotating assembly is arranged at the bottom of the supporting frame and comprises a motor, the motor is arranged at the central position of the bottom of the supporting frame, a rotating plate is arranged at the output end of the motor, transmission rods are hinged to two ends of the bottom of the rotating plate, a connecting rod is hinged to the top of one end, away from the rotating plate, of each transmission rod, a sliding block is arranged at the top of each connecting rod, a first welding table anode is arranged at the top of each sliding block, and a second welding table anode is arranged at the top of the first welding table anode;
the linkage assembly is arranged at two ends of the bottom of the workbench and comprises connecting blocks and two first threaded rods are rotatably connected to one ends, close to each other, of the connecting blocks.
Preferably, the inner bearings at the two ends of the workbench are rotatably provided with second threaded rods, the second threaded rods extend to the outer side of one end of the bottom of the workbench and are provided with second bevel gears, and the teeth of the first bevel gears are meshed with the teeth of the second bevel gears.
Preferably, the inside of slider is seted up threaded hole, the inside screw thread of screw hole rotates and is connected with first threaded rod, first helical gear is installed in the outside of first threaded rod, the both ends at workstation top have all been seted up the restriction hole, the inside slip interlude in restriction hole is connected with the slider.
Preferably, the top of second welding bench negative pole is provided with the slide rail, the roof is installed at the top of slide rail, threaded hole is all seted up at the both ends of roof, the inside slip interlude of threaded hole is connected with the second threaded rod.
Preferably, the second welding table cathode is installed at the two ends of the bottom of the top plate, and the positioning groove is formed in one side, close to each other, of the second welding table cathode and the first welding table cathode.
Preferably, the placing grooves are formed in the second welding table cathode and the first welding table cathode and communicated with the positioning groove, the springs are arranged in the placing grooves, the positioning blocks are arranged at the ends, close to each other, of the springs, and the placing grooves correspond to the positioning blocks in the same size.
Preferably, the outer side of one end, close to each other, of each of the two connecting plates is wound with a coil, and a magnetism collecting pipe is arranged inside the coil.
Preferably, the limiting rods are installed on the two sides of the top of the first welding table anode and the top of the first welding table cathode, the two sides of the bottom of the second welding table cathode and the bottom of the second welding table anode are provided with slide holes, and the limiting rods are connected to the inside of the slide holes in a sliding and inserting mode.
Preferably, the bottom of the sliding rail is provided with a sliding groove, sliding plates are arranged on two sides of the second welding table anode, and the sliding plate of the second welding table anode is connected to the inside of the sliding groove in a sliding mode.
Preferably, a clamping groove is formed in one side, close to each other, of the second welding table anode and the first welding table anode, and the clamping groove is the same as the positioning groove of the second welding table anode and the positioning groove of the first welding table anode in size correspondence.
The invention has the beneficial effects that: firstly, the magnetic pulse forming rotating assembly is designed, the connecting rod, the sliding block and the second welding table anode slide towards one end close to the second welding table cathode through the design that the rotating plate and the transmission rod are driven by the motor to rotate, meanwhile, a first threaded rod is arranged inside the sliding block, the sliding block can realize the rotation of the first threaded rod through threaded limiting in the moving process, the first threaded rod can realize the adjustment of the distance between the first welding table cathode and the first welding table cathode, and meanwhile, the first helical gear can rotate when the second welding table anode moves.
Secondly, according to the invention, the rotating assembly is matched with the second threaded rod and the second helical gear, the first helical gear in the rotating assembly can drive the second threaded rod to rotate through the meshing of teeth in the rotating process, the second threaded rod can rotate to realize the lifting of the top plate through the thread limiting, the distance between the welding table anode and the welding table cathode can be adjusted through the sliding rail limiting in the lifting process of the top plate, the limiting rod can support the welding table anode and the welding table cathode, and meanwhile, when the welding table anode and the welding table cathode are close to each other, a certain limiting effect is carried out on the position of the welding table anode and the welding table cathode, so that the welding table cathode is ensured to vertically move up and down, and the cable is convenient to install and disassemble.
Its third, the locating piece of first welding bench negative pole and the inside setting of second welding bench negative pole can closely laminate to the cable, and the elasticity of spring makes it carry out the centre gripping to the cable of different diameters fixed to can play the cushioning effect to the vibrations that produce in the installation, ensure that the cable can normal use.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
FIG. 3 is a bottom view of the overall structure of the present invention;
FIG. 4 is a side view of the connection structure of the connection plate and the magnetic collection assembly according to the present invention;
FIG. 5 is a side view of the restraint bar, first weld station anode and first weld station anode in relation to one another in accordance with the present invention;
FIG. 6 is a side view of the internal structure of the web of the present invention;
FIG. 7 is a side view of the restraint bar, second weld station cathode and second weld station cathode in relation to one another in accordance with the present invention;
FIG. 8 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 9 is an enlarged view of the invention at B in FIG. 7.
In the figure: 1. a work table; 2. supporting legs; 3. a first welding stage cathode; 301. a spring; 302. positioning blocks; 4. a connecting plate; 401. a coil; 402. a magnetism collecting pipe fitting; 5. a support frame; 501. a motor; 502. rotating the plate; 503. a transmission rod; 504. a connecting rod; 505. a slider; 6. connecting blocks; 601. a first threaded rod; 602. a first helical gear; 7. a first welding station anode; 8. a second weld station cathode; 9. A restraining bar; 10. a slide rail; 11. a top plate; 12. a second threaded rod; 1201. a second helical gear; 13. A second welding station anode.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a magnetic pulse forming apparatus for forming a thick pipe with high strength includes:
workstation 1, supporting leg 2 is all installed to four apex angle departments of 1 bottom of workstation, and four supporting legs 2 can increase the stability of workstation 1, and the workstation 1 of being convenient for supports and makes things convenient for the staff to use, and the central point of 1 bottom of workstation puts and installs braced frame 5, and braced frame 5 passes through bolt and motor 501 fixed connection, and the motor 501 installation of being convenient for is fixed.
As shown in fig. 2, 4, 5, 6, 7 and 9, the first welding table cathode 3 has connecting holes at both ends of the top of the worktable 1, the size of the connecting holes is the same as the size of the first welding table cathode 3, the two first welding table cathodes 3 are installed in the connecting holes at the top of the worktable 1, the first welding table cathodes 3 are fixed with the worktable 1 through bolts, the connecting plates 4 are installed at the bottom ends of the two first welding table cathodes 3 extending to the bottom of the worktable 1 through the connecting holes, the first welding table cathodes 3 are fixed with the connecting plates 4 through bolts, and the second welding table cathode 8 is arranged at the top of the first welding table cathode 3;
limiting rods 9 are arranged on two sides of the tops of the first welding table cathode 3 and the first welding table anode 7, sliding holes are formed in two sides of the bottoms of the second welding table cathode 8 and the second welding table anode 13, the limiting rods 9 are connected inside the sliding holes in a sliding and inserting mode, and the limiting rods 9 can limit the up-and-down movement of the second welding table cathode 8 and the second welding table anode 13;
the draw-in groove has been seted up to the one side that second welding bench anode 13 and first welding bench anode 7 are close to each other, and the shape of this draw-in groove is arc, and the cable is conveniently placed to convex draw-in groove, and the draw-in groove corresponds the same with the constant head tank size of first welding bench anode 7 and second welding bench anode 13.
As shown in fig. 2, 4 and 6, a coil 401 is wound on the outer side of one end of each of the two connecting plates 4 close to each other, a magnetism collecting pipe 402 is arranged inside the coil 401, and rubber insulating materials are mounted at two ends of the magnetism collecting pipe 402, so that the insulation of the magnetism collecting pipe 402 can be realized;
the magnetism collecting pipe fitting 402 can enhance the local magnetic field strength and improve the local forming quality under the condition of the same equipment, current and voltage, and is generally matched with the spiral magnetism collecting pipe fitting 402 in the magnetic pulse pipe fitting forming;
the coil 401 is a multi-turn spiral pipe fitting, each turn of the coil 401 is basically positioned on the same horizontal line, turns are connected by an oblique angle, the width of the two outermost turns is larger, and threaded holes with certain depth are uniformly distributed;
the magnetism collecting pipe fitting 402 is made of copper materials and is formed by machining a solid cylinder, the total length is H, the outer diameter is R2, the inner diameter is R1, the length of a working area is H, a gap penetrates through the outer surface and the inner surface, the total length H of the magnetism collecting pipe fitting 402 is 5% longer than the length of the coil 401, and therefore the magnetism collecting pipe fitting 402 can sense the current of each turn of the coil 401, and meanwhile eddy current loss caused by overlarge volume is avoided;
the outer diameter R2 of the magnetism collecting pipe fitting 402 is 0.5mm-1mm smaller than the inner diameter of the coil 401, so as to ensure that the magnetism collecting pipe fitting 402 can be placed in the coil 401 and ensure that the distance between the coil 401 and the magnetism collecting pipe fitting 402 cannot be too large to cause eddy current loss, the inner diameter R1 and the length h of a working area of the magnetism collecting pipe fitting 402 need to be set according to the size and the forming requirement of the pipe fitting to be formed, the inner diameter is 0.5mm-1mm larger than the pipe fitting to be formed, the length of the working area is determined according to the length to be formed, generally, the length of the working area is slightly larger than the forming requirement, and all the outer surfaces of the magnetism collecting pipe fitting 402 are subjected to insulation treatment to ensure the insulation strength;
the shape of the connecting plate 4 is L-shaped, the top of the connecting plate 4 is circular, the circular part of the connecting plate 4 and the coil 401 part are completely overlapped, meanwhile, 10 through holes corresponding to the coil 401 are uniformly distributed, and the L-shaped base is provided with four through holes for tightly connecting the L-shaped base with the positive and negative copper bars;
when the device works, a large pulse current flows to one end of the coil 401 through the base of the connecting plate 4 (anode), then flows to the other end of the coil 401 through the spiral coil 401, and flows back to the cathode after flowing through the other connecting plate 4, at the moment, the outer surface of the magnetic collecting pipe fitting 402 inside generates an induced current, and the induced current cannot be continuous on the surface due to the existence of the gap, so that the current forms a loop towards the inner wall of the magnetic collecting pipe fitting 402 along the gap, thereby concentrating a magnetic field in a working area and improving the crimping efficiency of the device.
As shown in fig. 1, 2, 4 and 8, a slide rail 10 is arranged at the top of the second welding table cathode 8, a top plate 11 is installed at the top of the slide rail 10, threaded holes are formed in both ends of the top plate 11, a second threaded rod 12 is slidably inserted into the threaded holes, and the second threaded rod 12 can drive the top plate 11 to be lifted and lowered in a limiting manner through the threaded holes;
as shown in fig. 4, a sliding groove is formed in the bottom of the sliding rail 10, sliding plates are mounted on two sides of the second welding table anode 13, the sliding plate of the second welding table anode 13 is slidably connected inside the sliding groove, and the sliding of the second welding table anode 13 in the left-right direction can be limited through the sliding groove.
As shown in fig. 2 and 3, the rotating assembly is arranged at the bottom of the supporting frame 5, the rotating assembly includes a motor 501, the motor 501 is installed at the central position of the bottom of the supporting frame 5, a rotating plate 502 is installed at the output end of the motor 501, transmission rods 503 are hinged to both ends of the bottom of the rotating plate 502, a connecting rod 504 is hinged to the top of one end, away from the rotating plate 502, of the transmission rod 503, a sliding block 505 is installed at the top of the connecting rod 504, and a first welding table anode 7 is installed at the top of the sliding block 505;
the two ends of the transmission rod 503 are provided with circular convex blocks, the central positions of the two ends of the rotating plate 502 are provided with circular limiting grooves, the inner parts of the circular limiting grooves are rotatably connected with the circular convex blocks at one end of the transmission rod 503, one end of the connecting rod 504 is provided with a circular rotating groove, and the inner parts of the circular rotating grooves are rotatably connected with the circular convex blocks at the other end of the transmission rod 503;
threaded hole is seted up to the inside of slider 505, and the internal thread of screw hole rotates and is connected with first threaded rod 601, can realize slider 505's removal through screw hole and first threaded rod 601, and the restriction hole has all been seted up at the both ends at 1 top of workstation, and the inside slip interlude in restriction hole is connected with slider 505, and the top of slider 505 extends to the top of workstation 1 through spacing hole and rather than flat mutually with the top of workstation 1.
As shown in fig. 8, the linkage assembly is arranged at two ends of the bottom of the workbench 1, the linkage assembly comprises connecting blocks 6, one ends of the two connecting blocks 6, which are close to each other, are rotatably connected with a first threaded rod 601, a first helical gear 602 is installed on the outer side of the first threaded rod 601, one ends of the two connecting blocks 6, which are close to each other, are connected with the first threaded rod 601 through a bearing, and the rotation of the first threaded rod 601 in a cavity formed between the two connecting blocks 6 can be realized.
As shown in fig. 2 and 8, the second threaded rods 12 are rotatably mounted on the inner bearings at the two ends of the working table 1, the second helical gear 1201 is mounted on the outer side of one end of the second threaded rod 12 extending to the bottom of the working table 1, the teeth of the first helical gear 602 and the teeth of the second helical gear 1201 are engaged with each other, and the first helical gear 602 can drive the second helical gear 1201 to rotate through the teeth.
As shown in fig. 4, 5 and 7, as a technical optimization scheme of the present invention, the second welding table cathode 8 is installed at both ends of the bottom of the top plate 11, and positioning grooves are respectively formed at the sides of the second welding table cathode 8 and the first welding table cathode 3, which are close to each other, and the positioning grooves are arc-shaped and can be more attached to cables.
As shown in fig. 9, as a technical optimization scheme of the present invention, placing grooves are respectively formed in the second welding stage cathode 8 and the first welding stage cathode 3, the placing grooves are communicated with the positioning groove, a spring 301 is installed in the placing grooves, a positioning block 302 is installed at one end of the spring 301 close to each other, the placing grooves and the positioning block 302 have the same size, an arc-shaped groove is formed at one side of the positioning block 302 close to each other, and the arc-shaped groove can be more attached to the shape of the cable.
The invention when in use refers to figures 1 to 9;
the first step of operation is implemented, firstly, the motor 501 is started through an external control device, the motor 501 drives the rotating plate 502 to rotate clockwise and synchronously, the rotating plate 502 drives the transmission rod 503 to rotate synchronously, the transmission rod 503 drives the connection rod 504 to move, the connection rod 504 drives the sliding blocks 505 to move away from each other, the sliding blocks 505 drive the first welding table anode 7 to move away from the first welding table cathode 3 synchronously, and the first welding table anode 7 drives the second welding table anode 13 to slide in the sliding rail 10 through the limiting rod 9;
meanwhile, the sliding block 505 is limited by the screw thread to drive the first threaded rod 601 to rotate clockwise, the first threaded rod 601 drives the first helical gear 602 to rotate synchronously, the first helical gear 602 drives the second helical gear 1201 to rotate through tooth meshing, the second helical gear 1201 drives the second threaded rod 12 to rotate synchronously, the second threaded rod 12 drives the top plate 11 to ascend, the top plate 11 drives the sliding rail 10 to ascend, and the sliding rail 10 drives the second welding table cathode 8 and the second welding table anode 13 to ascend synchronously through sliding plate limiting;
performing a second step of operation by placing the cables in the slots of the first and second weld station cathodes 3, 8 and the slots of the first and second weld station anodes 7, 13;
implementing a third step of operation, starting the motor 501 through an external control device, wherein the motor 501 drives the rotating plate 502 to rotate anticlockwise and synchronously, the rotating plate 502 drives the transmission rod 503 to rotate synchronously, the transmission rod 503 drives the connection rod 504 to move, the connection rod 504 drives the sliding blocks 505 to approach each other, the sliding blocks 505 drive the first welding table anode 7 to approach the first welding table cathode 3 synchronously, and the first welding table anode 7 drives the second welding table anode 13 to slide in the sliding rail 10 through the limiting rod 9;
meanwhile, the sliding block 505 is limited by the threads to drive the first threaded rod 601 to rotate anticlockwise, the first threaded rod 601 drives the first helical gear 602 to rotate synchronously, the first helical gear 602 drives the second helical gear 1201 to rotate through tooth meshing, the second helical gear 1201 drives the second threaded rod 12 to rotate synchronously, the second threaded rod 12 drives the top plate 11 to descend, the top plate 11 drives the sliding rail 10 to descend, and the sliding rail 10 drives the first welding table anode 7 and the second welding table anode 13 to descend synchronously through sliding plate limiting, so that the cables are fixed;
referring to fig. 7 and 9, the cable is engaged with the groove of the positioning block 302, and the elasticity of the spring 301 causes the positioning block 302 to clamp the cable;
performing a fourth step of operation, inserting the cleaned inner and outer pipe blanks into the coil 401, so that the inner and outer pipe blanks are coaxial with the coil 401, and connecting two ends of the cable with the coil 401;
the magnetism collecting pipe fitting 402 is made of copper materials and is formed by machining a solid cylinder, the total length is H, the outer diameter is R2, the inner diameter is R1, the length of a working area is H, a gap penetrates through the outer surface and the inner surface, the total length H of the magnetism collecting pipe fitting 402 is 5% longer than the length of the coil 401, and therefore the magnetism collecting pipe fitting 402 can sense the current of each turn of the coil 401, and meanwhile eddy current loss caused by overlarge volume is avoided;
the outer diameter R2 of the magnetism collecting pipe fitting 402 is 0.5mm-1mm smaller than the inner diameter of the coil 401, so as to ensure that the magnetism collecting pipe fitting 402 can be placed in the coil 401 and ensure that the distance between the coil 401 and the magnetism collecting pipe fitting 402 cannot be too large to cause eddy current loss, the inner diameter R1 and the length h of a working area of the magnetism collecting pipe fitting 402 need to be set according to the size and the forming requirement of the pipe fitting to be formed, the inner diameter is 0.5mm-1mm larger than the pipe fitting to be formed, the length of the working area is determined according to the length needing to be formed, and generally, the length of the working area is slightly larger than the forming requirement;
when the device works, a large pulse current flows to one end of the coil 401 through the base of the connecting plate 4 (anode), then flows to the other end of the coil 401 through the spiral coil 401, and flows back to the cathode after flowing through the other connecting plate 4, at the moment, the outer surface of the magnetic collecting pipe fitting 402 inside can generate an induced current, the induced current cannot be continuous on the surface due to the existence of the gap, the current can form a loop to the inner wall of the magnetic collecting pipe fitting 402 along the gap, so that a magnetic field is concentrated in a working area, the crimping efficiency of the device is improved, and voltage is released through an external control device, so that the composite processing of a metal pipe is realized.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A magnetic pulse forming device suitable for a high-strength thick pipe fitting is characterized by comprising:
the device comprises a workbench (1), wherein supporting legs (2) are respectively arranged at four top corners of the bottom of the workbench (1), and a supporting frame (5) is arranged at the center of the bottom of the workbench (1);
the welding device comprises first welding table cathodes (3), connecting holes are formed in two ends of the top of the workbench (1), the two first welding table cathodes (3) are installed in the connecting holes in the top of the workbench (1), connecting plates (4) are installed at the bottom ends, extending to the bottom of the workbench (1), of the two first welding table cathodes (3) through the connecting holes, and second welding table cathodes (8) are arranged on the top of the first welding table cathodes (3);
the rotating assembly is arranged at the bottom of the supporting frame (5) and comprises a motor (501), the motor (501) is arranged at the center of the bottom of the supporting frame (5), a rotating plate (502) is arranged at the output end of the motor (501), two ends of the bottom of the rotating plate (502) are hinged with a transmission rod (503), the top of one end, away from the rotating plate (502), of the transmission rod (503) is hinged with a connecting rod (504), a sliding block (505) is arranged at the top of the connecting rod (504), a first welding table anode (7) is arranged at the top of the sliding block (505), and a second welding table anode (13) is arranged at the top of the first welding table anode (7);
the linkage assembly is arranged at two ends of the bottom of the workbench (1) and comprises a connecting block (6) and two first threaded rods (601) are rotatably connected to one ends, close to each other, of the connecting block (6).
2. The magnetic pulse forming device for the high-strength thick pipe fitting, according to claim 1, is characterized in that: the inner bearings at the two ends of the workbench (1) are rotatably provided with second threaded rods (12), and the second threaded rods (12) extend to the outer side of one end of the bottom of the workbench (1) and are provided with second bevel gears (1201).
3. The magnetic pulse forming device for the high-strength thick pipe fitting, according to claim 1, is characterized in that: the inside of slider (505) is seted up threaded hole, the inside screw thread of screw hole rotates and is connected with first threaded rod (601), first helical gear (602) are installed to the outside of first threaded rod (601), the restriction hole has all been seted up at the both ends at workstation (1) top, the inside slip interlude in restriction hole is connected with slider (505).
4. The magnetic pulse forming device for the high-strength thick pipe fitting, according to claim 1, is characterized in that: the top of second welding bench negative pole (8) is provided with slide rail (10), roof (11) are installed at the top of slide rail (10), threaded hole is all seted up at the both ends of roof (11), the inside slip interlude of threaded hole is connected with second threaded rod (12).
5. A magnetic pulse forming device suitable for a high-strength thick pipe fitting according to claim 4, wherein: second welding table negative pole (8) are all installed at the both ends of roof (11) bottom, the constant head tank has all been seted up to one side that second welding table negative pole (8) and first welding table negative pole (3) are close to each other.
6. A magnetic pulse forming device suitable for a high-strength thick pipe fitting according to claim 5, wherein: the welding jig is characterized in that a placing groove is formed in the second welding table cathode (8) and the first welding table cathode (3), the placing groove is communicated with a positioning groove, a spring (301) is arranged in the placing groove, a positioning block (302) is arranged at one end, close to the spring (301), of the placing groove, and the placing groove and the positioning block (302) are same in size correspondence.
7. The magnetic pulse forming device for the high-strength thick pipe fitting, according to claim 1, is characterized in that: the outer side of one end, close to each other, of each of the two connecting plates (4) is wound with a coil (401), and a magnetism collecting pipe fitting (402) is arranged inside each coil (401).
8. The magnetic pulse forming device for the high-strength thick pipe fitting, according to claim 1, is characterized in that: restriction pole (9) are all installed to the both sides at first welding bench positive pole (7) and first welding bench negative pole (3) top, the slide opening has all been seted up to the both sides of second welding bench negative pole (8) and second welding bench positive pole (13) bottom, the inside slip interlude of slide opening is connected with restriction pole (9).
9. A magnetic pulse forming device suitable for a high-strength thick pipe fitting according to claim 4, wherein: the bottom of slide rail (10) has been seted up the spout, the slide is all installed to the both sides of second welding bench positive pole (13), the inside sliding connection of spout has the slide of second welding bench positive pole (13).
10. The magnetic pulse forming device for the high-strength thick pipe fitting, according to claim 1, is characterized in that: the clamping groove is formed in one side, close to each other, of the second welding table anode (13) and the first welding table anode (7), and the clamping groove is the same as the positioning groove of the second welding table anode (13) and the positioning groove of the first welding table anode (7) in size correspondence.
CN202111113995.9A 2021-09-23 2021-09-23 Magnetic pulse forming device suitable for high-strength thick pipe fitting Active CN113814309B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2406454A1 (en) * 2000-04-26 2001-11-01 Cosma International Inc. Hydroforming a tubular structure of varying diameter from a tubular blank using electromagnetic pulse welding
CN102744310A (en) * 2012-07-11 2012-10-24 哈尔滨工业大学 Magnetic pulse forming device and method of bimetal composite pipe
CN105013921A (en) * 2015-08-07 2015-11-04 哈尔滨工业大学 Magnetic pulse forming method for lining bimetal composite pipe
CN208004576U (en) * 2018-03-09 2018-10-26 黄建锋 A kind of stamping equipment punching mechanism
CN111390412A (en) * 2020-03-06 2020-07-10 重庆大学 Large-current electromagnetic pulse welding device
CN111740725A (en) * 2020-07-10 2020-10-02 重庆大学 Electromagnetic pulse separation method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2406454A1 (en) * 2000-04-26 2001-11-01 Cosma International Inc. Hydroforming a tubular structure of varying diameter from a tubular blank using electromagnetic pulse welding
CN102744310A (en) * 2012-07-11 2012-10-24 哈尔滨工业大学 Magnetic pulse forming device and method of bimetal composite pipe
CN105013921A (en) * 2015-08-07 2015-11-04 哈尔滨工业大学 Magnetic pulse forming method for lining bimetal composite pipe
CN208004576U (en) * 2018-03-09 2018-10-26 黄建锋 A kind of stamping equipment punching mechanism
CN111390412A (en) * 2020-03-06 2020-07-10 重庆大学 Large-current electromagnetic pulse welding device
CN111740725A (en) * 2020-07-10 2020-10-02 重庆大学 Electromagnetic pulse separation method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孙继飞等: "40Cr中碳钢与6061铝合金管件电磁脉冲焊接研究", 《热加工工艺》 *
常晶舒等: "国内电磁脉冲焊接技术研究进展与展望", 《焊接》 *

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