CN218069510U - Magnetic pulse coil for closed-loop pipe connection and magnetic pulse connection device - Google Patents

Magnetic pulse coil for closed-loop pipe connection and magnetic pulse connection device Download PDF

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CN218069510U
CN218069510U CN202222355663.8U CN202222355663U CN218069510U CN 218069510 U CN218069510 U CN 218069510U CN 202222355663 U CN202222355663 U CN 202222355663U CN 218069510 U CN218069510 U CN 218069510U
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coil
coil body
magnetic pulse
closed
magnetic
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崔俊佳
蒋浩
李光耀
罗康
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Hunan University
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Hunan University
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Abstract

The utility model provides a magnetic pulse coil and magnetic pulse connecting device for closed loop pipe connection, including the first coil body, first coil body is embedded to have first insulation support and first album of magnetism ware, the first coil body is connected with the second coil body through flexible connection conductor, second coil body is embedded to have second insulation support and second album of magnetism ware, first album of magnetism ware and second album of magnetism ware enclose to form the processing through-hole with the work piece adaptation, be equipped with the first mounting panel that is used for fixed first coil body on two sides of first insulation support, the first mounting panel is located the frame through elevating system, be equipped with the second mounting panel that is used for fixed second coil body on two sides of second insulation support, the second mounting panel is connected with the frame through fixed connector; the utility model provides a magnetic pulse coil for closed loop pipe connection simple structure can realize the coil separation, and the unloading on the long work piece of being convenient for, closed loop frame work piece can reduce production processes, reduction in production cost, promotion production efficiency.

Description

Magnetic pulse coil for closed-loop pipe connection and magnetic pulse connection device
Technical Field
The utility model belongs to the technical field of the magnetic pulse connects, specifically relate to a magnetic pulse coil and magnetic pulse connecting device for closed loop pipe connects.
Background
The magnetic pulse connection technology is a novel connection technology and has unique advantages for connection of dissimilar materials. The tool coil is a key component of the magnetic pulse connection technology, and the development of the tool coil serves the application of the magnetic pulse connection technology in different application scenes.
Tool coils used with tube (rod) type workpieces are typically fully enclosed coils. Solenoid coils, which are suitable for making single joint connections, can cause difficulty in extracting workpieces after making a closed connection for a completely closed complex frame structure, such as a frame-type seat back, and require additional processes to make the connection. The scheme well solves the defect that coils need to be replaced when pipes with different diameters are connected in a magnetic pulse mode, but because the coil bodies are still in a closed structure, the connection of workpieces with a closed-loop frame structure and long workpieces is still difficult to achieve.
Most of the existing magnetic pulse connecting tube connecting coils are of a completely closed structure, only single short tube joint connection can be realized, and when workpieces and long workpieces of a closed loop tube frame structure are connected, the workpieces are difficult to extract after the connection process is finished, so that the defects of increased working procedures, low efficiency, high cost and the like exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a simple structure can realize the coil separation, and the unloading on the long work piece of being convenient for, the closed loop frame work piece can reduce production processes, reduction in production cost, promote the magnetic pulse coil and the magnetic pulse connecting device that are used for closed loop pipe fitting to connect of production efficiency.
In order to reach the first purpose, the technical scheme of the utility model like the second, a magnetic pulse coil for closed loop pipe connection, including the first coil body, first coil body is embedded to have first insulation support and first magnetism collector, and the first coil body is connected with the second coil body through flexible connecting conductor, second coil body is embedded to have second insulation support and second magnetism collector, first magnetism collector encloses the processing through-hole that closes formation and work piece adaptation with the second magnetism collector, be equipped with the first mounting panel that is used for fixed first coil body on two sides of first insulation support, first mounting panel is located in the frame through elevating system, be equipped with the second mounting panel that is used for fixed second coil body on two sides of second insulation support, the second mounting panel passes through fixed connector and is connected with the frame.
Preferably, insulation plates are arranged between the first coil body and the first mounting plate and between the second coil body and the second mounting plate.
Preferably, the first magnetic collector and the second magnetic collector are respectively connected to corresponding insulating plates.
Preferably, the lifting mechanism comprises an air cylinder, and an output rod of the air cylinder is connected with the first mounting plate through a connecting rod.
Preferably, the fixed connecting piece comprises an angle piece, a sliding groove is formed in the rack, a tightening bolt is arranged in the sliding groove, and the angle piece is connected with the rack through a locking bolt.
Preferably, one end of the first coil body is a current inlet, the other end of the first coil body is connected with the second coil body through a flexible connecting conductor, one end, far away from the flexible connecting conductor, of the second coil body is a current outlet, and the current inlet and the current outlet are respectively connected with two ends of the capacitor bank.
Preferably, the joint of the workpiece comprises a fly pipe and a base pipe, and the width of the overlapped part of the fly pipe and the base pipe is not less than the depth of the processed through hole.
Preferably, the first coil body and the second coil body are single-turn coils or multi-turn coils.
Preferably, the first coil body and the second coil body have a rectangular coil structure or a circular coil structure.
A magnetic pulse connecting device comprises the magnetic pulse coil for closed-loop pipe fitting connection.
The beneficial effects of the utility model are that, the coil includes upper and lower two parts complete symmetrical structure, after first coil body and second coil body switch-on charge-discharge circuit, form a changed pulse current in the discharge coil, and initiate a high magnetic field around it afterwards, the electromagnetic induction effect makes and collects and produces opposite induced-current on the magnetic organ, thereby produce another pulsed magnetic field, and make the electric current more concentrate on the connection region of processing the through-hole under the effect of collecting the magnetic organ, the work piece surface that is close to collecting the magnetic organ produces opposite induced-current, make outside pipe fitting strike inboard pipe fitting with higher speed between the opposite electric current, thereby realize connecting; after the connection of the single joint is realized, the lifting mechanism drives the first magnetic collector and the second magnetic collector to be separated, the flexible connecting conductor keeps connected, the position of the workpiece is adjusted, the lifting mechanism drives the first magnetic collector and the second magnetic collector to be connected, the connection of the next joint is carried out, the operation is repeated until the frame structures are completely connected, the coil is separated, and the workpiece is taken out; the coil separation device has the advantages of being simple in structure, capable of achieving coil separation, convenient for feeding and discharging of long workpieces and closed-loop frame workpieces, capable of reducing production procedures, reducing production cost, improving production efficiency and breaking through the connection problem of traditional magnetic pulse pipe fittings to the long workpieces and the closed-structure workpieces.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the lifting mechanism shown in FIG. 1;
fig. 3 is a schematic structural view of the first coil body shown in fig. 1;
FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;
FIG. 5 is a partial enlarged view of the region Z shown in FIG. 4;
fig. 6 is a schematic structural view of the second coil body shown in fig. 1;
fig. 7 is a schematic view of the structure of the flexible connection conductor shown in fig. 6.
In the figure, 1, a first coil body; 2. a second coil body; 3. a first insulating support; 4. a second insulating support; 5. a frame; 51. a chute; 6. a current inlet; 7. a current outlet; 8. a flexible connection conductor; 9. a second magnetic collector; 10. a first magnetic collector; 11. a workpiece; 111. flying pipes; 112. a base pipe; 12. a capacitor bank; 13. a first mounting plate; 14. a second mounting plate; 15. a lifting mechanism; 151. a cylinder; 152. an output rod; 153. a connecting rod; 16. fixing the connecting piece; 161. a corner fitting; 17. an insulating plate.
Detailed Description
The second surface combines the attached drawings and the specific embodiment to further specifically explain the technical scheme of the utility model:
referring to fig. 1-7 together, the magnetic pulse coil for closed-loop pipe connection provided in this embodiment includes a first coil body 1, a first insulating support 3 and a first magnetic collector 10 are embedded in the first coil body 1, the first coil body 1 is connected to a second coil body 2 through a flexible connection conductor 8, a second insulating support 4 and a second magnetic collector 9 are embedded in the second coil body 2, the first magnetic collector 10 and the second magnetic collector 9 enclose a processing through hole adapted to a workpiece 11, first mounting plates 13 for fixing the first coil body 1 are symmetrically arranged on two side surfaces of the first insulating support 3, the first mounting plates 13 are arranged on a rack 5 through a lifting mechanism 15, second mounting plates 14 for fixing the second coil body 2 are symmetrically arranged on two side surfaces of the second insulating support 4, and the second mounting plates 14 are connected to the rack 5 through a fixing connector 16.
The coil is composed of an upper part and a lower part which are completely symmetrical, after the first coil body 1 and the second coil body 2 are communicated with a charging and discharging circuit, a variable pulse current is formed in the discharging coil, a strong magnetic field is induced around the pulse current, the electromagnetic induction effect enables the magnetic collector to generate opposite induction current, so that another pulse magnetic field is generated, the current is more concentrated in a connecting area of a processing through hole under the effect of the magnetic collector, the surface of a workpiece close to the magnetic collector generates opposite induction current, and the outer pipe fittings are accelerated to impact the inner pipe fittings between the opposite currents, so that the connection is realized; after the connection of a single joint is realized, the lifting mechanism 15 drives the first magnetic collector 10 and the second magnetic collector 9 to separate, the flexible connecting conductor 8 keeps connected, the position of the workpiece 11 is adjusted, the lifting mechanism 15 drives the first magnetic collector 10 and the second magnetic collector 9 to connect, the connection of the next joint is carried out, the steps are repeated until the frame structures are completely connected, the coil is separated, and the workpiece is taken out; the coil separation device has the advantages of being simple in structure, capable of achieving coil separation, convenient for feeding and discharging of long workpieces and closed-loop frame workpieces, capable of reducing production procedures, reducing production cost, improving production efficiency and breaking through the connection problem of traditional magnetic pulse pipe fittings to the long workpieces and the closed-structure workpieces.
More specifically, insulating plates 17 are arranged between the first coil body 1 and the first mounting plate 13, and between the second coil body 2 and the second mounting plate 14; in this embodiment, in order to guarantee that the installation is firm, first mounting panel 13 and second mounting panel 14 all adopt the metal sheet, and insulation board 17 can effectively avoid electric leakage between coil body and the mounting panel, guarantees normal processing, stops the potential safety hazard.
More specifically, the first magnetic collectors 10 and the second magnetic collectors 9 are respectively connected to corresponding insulating plates 17; two insulation boards 17 can limit the first magnetism collector 10 and the second magnetism collector 9, so that the magnetism collectors are firmly connected, and normal processing of the magnetic pulse coil is guaranteed.
More specifically, the lifting mechanism 15 includes an air cylinder 151, and an output rod 152 of the air cylinder 151 is connected with the first mounting plate 13 through a connecting rod 153; the first coil body 1 is driven by the air cylinders 151 to move, so that the first magnetic collectors 10 and the second magnetic collectors 9 are separated, the workpiece 11 is convenient to take out, in this embodiment, the two air cylinders 151 synchronously drive the corresponding first mounting plates 13 to move, and the stable movement can be ensured.
More specifically, the fixed connecting piece 16 includes an angle piece 161, the frame 5 is provided with a sliding groove 51, a tightening bolt is arranged in the sliding groove 51, and the angle piece 161 is connected with the frame 5 through a locking bolt; simple structure, convenient to detach, installation and the position of adjustment second coil body 2 on frame 5.
More specifically, one end of the first coil body 1 is a current inlet 6, the other end of the first coil body is connected with the second coil body 2 through a flexible connecting conductor 8, one end, away from the flexible connecting conductor 8, of the second coil body 2 is a current outlet 7, the current inlet 6 and the current outlet 7 are respectively connected with two ends of a capacitor bank 12 through wires, a switch 121 is arranged on each wire, before the discharge switch 121 is closed, 220V alternating current is charged to the capacitor 12 to be saturated, after the switch is closed, current flows in from the coil body on the I side, after the first coil body surrounds a circle, the current enters a symmetrical coil on the II side through the flexible connecting conductor 8, flows out after the second coil body surrounds the circle, and reverse equivalent annular current is formed in magnetic collecting areas of the coils on the two sides.
More specifically, the joint of the workpiece 11 includes a flight tube 111 and a base tube 112, the width of the overlapping portion of the flight tube 111 and the base tube 112 is not less than the depth of the processing through hole, sufficient connection is reserved, the placing requirement of the workpiece 11 during processing can be reduced, the production efficiency is improved, and firm connection is ensured.
More specifically, the first coil body 1 and the second coil body 2 are single-turn coils or multi-turn coils; the first coil body 1 and the second coil body 2 may be single-turn coils obtained by wire cutting a metal plate, in which case an insulating layer is further required to be arranged between contact surfaces of the first coil body 1 and the second coil body 2; or a multi-turn coil formed by winding metal wires or other methods; for magnetic pulse connections, multi-turn coils are suitable for crimping, and single-turn coils are suitable for welding.
More specifically, the first coil body 1 and the second coil body 2 have a rectangular coil structure or a circular coil structure, and the shape to be used is selected according to an application scenario.
A magnetic pulse connecting device comprises the magnetic pulse coil for closed-loop pipe fitting connection.
The coil separation function can be realized, and the long workpiece and the closed-loop frame workpiece can be conveniently loaded and unloaded; the connection of a complex frame structure can be realized, the production procedures are reduced, the production cost is reduced, and the production efficiency is improved; the application scene of the magnetic pulse connection technology can be expanded, such as the application to the structure of a tube frame seat, the connection of a cable and a terminal, the connection of a transmission shaft and the connection of (dumbbell-shaped) workpieces with the diameters of two ends larger than the connection diameter.
The first embodiment is only used for illustrating the technical solution of the present invention, and is not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A magnetic pulse coil for closed loop pipe connections, characterized in that: including first coil body (1), first coil body (1) is embedded to have first insulation support (3) and first album of magnetism ware (10), and first coil body (1) is connected with second coil body (2) through flexible connection conductor (8), second coil body (2) are embedded to have second insulation support (4) and second album of magnetism ware (9), first album of magnetism ware (10) and second album of magnetism ware (9) enclose to form with the processing through-hole of work piece (11) adaptation, be equipped with first mounting panel (13) that are used for fixed first coil body (1) on two sides of first insulation support (3), first mounting panel (13) are located on frame (5) through elevating system (15), be equipped with second mounting panel (14) that are used for fixed second coil body (2) on two sides of second insulation support (4), second mounting panel (14) are connected with frame (5) through fixed connection spare (16).
2. The magnetic pulse coil for closed-loop tubular connections of claim 1, wherein: insulation plates (17) are arranged between the first coil body (1) and the first mounting plate (13) and between the second coil body (2) and the second mounting plate (14).
3. The magnetic pulse coil for closed-loop tubular connections of claim 2, wherein: the first magnetic collector (10) and the second magnetic collector (9) are respectively connected with the corresponding insulating plates (17).
4. A magnetic pulse coil for closed loop tubular connections as claimed in any one of claims 1 to 3 wherein: the lifting mechanism (15) comprises an air cylinder (151), and an output rod (152) of the air cylinder (151) is connected with the first mounting plate (13) through a connecting rod (153).
5. The magnetic pulse coil for closed-loop tubular connections of claim 4, wherein: the fixed connecting piece (16) comprises an angle piece (161), a sliding groove (51) is formed in the rack (5), a tightening bolt is arranged in the sliding groove (51), and the angle piece (161) is connected with the rack (5) through a locking bolt.
6. The magnetic pulse coil for closed-loop tubular connections of claim 1, wherein: one end of the first coil body (1) is a current inlet (6), the other end of the first coil body is connected with the second coil body (2) through a flexible connecting conductor (8), one end, far away from the flexible connecting conductor (8), of the second coil body (2) is a current outlet (7), and the current inlet (6) and the current outlet (7) are respectively connected with two ends of the capacitor bank (12).
7. The magnetic pulse coil for closed-loop tubular connections of claim 1, wherein: the joint of the workpiece (11) comprises a fly pipe (111) and a base pipe (112), and the width of the overlapped part of the fly pipe (111) and the base pipe (112) is not less than the depth of the processing through hole.
8. The magnetic pulse coil for closed-loop tubular connections of claim 1, wherein: the first coil body (1) and the second coil body (2) are single-turn coils or multi-turn coils.
9. The magnetic pulse coil for closed-loop tubular connections of claim 1, wherein: the first coil body (1) and the second coil body (2) are of a rectangular coil structure or a circular coil structure.
10. A magnetic pulse connecting device is characterized in that: comprising a magnetic pulse coil for closed loop tubular connections according to any of claims 1-9.
CN202222355663.8U 2022-09-05 2022-09-05 Magnetic pulse coil for closed-loop pipe connection and magnetic pulse connection device Active CN218069510U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222355663.8U CN218069510U (en) 2022-09-05 2022-09-05 Magnetic pulse coil for closed-loop pipe connection and magnetic pulse connection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222355663.8U CN218069510U (en) 2022-09-05 2022-09-05 Magnetic pulse coil for closed-loop pipe connection and magnetic pulse connection device

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CN218069510U true CN218069510U (en) 2022-12-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116493724A (en) * 2023-06-21 2023-07-28 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) Magnetic pulse welding equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116493724A (en) * 2023-06-21 2023-07-28 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) Magnetic pulse welding equipment
CN116493724B (en) * 2023-06-21 2024-01-09 北京理工大学深圳汽车研究院(电动车辆国家工程实验室深圳研究院) Magnetic pulse welding equipment

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