CN113042860A - High-frequency longitudinal magnetic field generating device for magnetic control welding - Google Patents
High-frequency longitudinal magnetic field generating device for magnetic control welding Download PDFInfo
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- CN113042860A CN113042860A CN202110276310.6A CN202110276310A CN113042860A CN 113042860 A CN113042860 A CN 113042860A CN 202110276310 A CN202110276310 A CN 202110276310A CN 113042860 A CN113042860 A CN 113042860A
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- welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/08—Arrangements or circuits for magnetic control of the arc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
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- Arc Welding Control (AREA)
Abstract
The invention discloses a high-frequency longitudinal magnetic field generating device for magnetic control welding, which comprises a mounting assembly, water cooling assemblies, conductive assemblies and a magnetic core, wherein the mounting assembly assembled at the end part of a welding gun comprises a cylinder upper cover and a cylinder lower shell; the inner wall of the lower shell of the cylinder body is provided with a magnetic core, the two water cooling assemblies respectively comprise a water inlet quick straight-through joint and a water outlet quick straight-through joint, one end of the water cooling hollow copper pipe is connected with the water inlet quick straight-through joint, and the other end of the water cooling hollow copper pipe is wound by a plurality of turns along the outer side of the magnetic core and then is connected with the water outlet quick straight-through; the two conductive assemblies are respectively used for fixing positive and negative wires led out from the excitation power supply, and the current output by the excitation power supply is transmitted to the water-cooling hollow copper pipe through the conductive assemblies and interacts with the magnetic core. The magnetic induction intensity of the high-frequency longitudinal alternating magnetic field is smoothly output, and the effective completion of the high-frequency magnetic control welding process is ensured.
Description
Technical Field
The invention relates to the technical field of magnetic control welding, in particular to a high-frequency longitudinal magnetic field generating device for magnetic control welding.
Background
Welding refers to a material processing method in which the same or different materials are permanently joined together by heating or pressing or both. The number of the welding methods is less than dozens of welding methods, argon tungsten-arc welding (namely TIG welding) is one of the commonly used welding methods, and the welding method has the advantages of stable welding electric arc, no splash, attractive weld joint formation and the like, and is particularly suitable for welding thin plates with the thickness of less than 3 mm. TIG welding can weld various metal materials, such as steel, aluminum, titanium, magnesium and the like, is suitable for welding important parts due to high reliability, and is widely applied to the fields of nuclear power, aerospace and the like. However, the current carrying capacity of the tungsten electrode is limited, and the energy density of the electric arc is dispersed, so that the TIG welding has the defects of shallow weld penetration, low welding speed, low welding efficiency and the like. The literature states that the welding arc can be compressed by applying an external high-frequency longitudinal alternating magnetic field, the energy density of the arc is improved, the weld penetration is increased, and the welding efficiency is improved. The excitation coil of the present invention has multiple turns, and when the magnetic pulse frequency is increased, the inductance in the excitation coil is also increased, so that the excitation coil cannot output corresponding magnetic induction intensity, and the effect of an external magnetic field is finally lost.
Disclosure of Invention
The invention aims to provide a high-frequency longitudinal magnetic field generating device for magnetic control welding, which is used for solving the problems in the prior art, realizing the smooth output of the magnetic induction intensity of a high-frequency longitudinal alternating magnetic field and ensuring the effective completion of a high-frequency magnetic control welding process.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a high-frequency longitudinal magnetic field generating device for magnetic control welding, which comprises an installation component, water cooling components, a conductive component and a magnetic core, wherein the installation component assembled at the end part of a welding gun comprises an upper cylinder cover and a lower cylinder shell which are fixedly connected with each other; the inner wall of the lower shell of the cylinder body is provided with the magnetic core, the two water cooling assemblies respectively comprise a water inlet quick straight-through joint and a water outlet quick straight-through joint, one end of the water cooling hollow copper pipe is connected with the water inlet quick straight-through joint, and the other end of the water cooling hollow copper pipe is wound by a plurality of turns along the outer side of the magnetic core and then is connected with the water outlet quick straight-through joint; the two conductive assemblies are respectively used for fixing positive and negative wires led out from the excitation power supply, and the current output by the excitation power supply is transmitted to the water-cooling hollow copper pipe through the conductive assemblies and interacts with the magnetic core.
Preferably, the inner shape of the mounting assembly is matched with the end part of the welding gun, and the mounting assembly is sleeved on the end part of the welding gun and fixed through a screw; the axis of the welding gun coincides with the axis of the mounting assembly.
Preferably, the upper cover of the cylinder body is provided with a first hexagon bolt connecting hole and a second hexagon bolt connecting hole, and the upper cover of the cylinder body is arranged on the lower shell of the cylinder body by matching screws with the first hexagon bolt connecting hole and the second hexagon bolt connecting hole; and the axis of the magnetic core is superposed with the axes of the upper cover of the cylinder body and the lower shell of the cylinder body.
Preferably, the side wall of the cylinder upper cover is provided with a clamping hole, the clamping hole penetrates in the radial direction of the cylinder upper cover, and a bolt penetrates through the clamping hole to connect the cylinder upper cover with the end of a welding gun.
Preferably, the winding number of the water-cooling hollow copper pipe on the magnetic core is 5; the barrel upper cover and the barrel lower casing are made of aluminum alloy, and the magnetic core is made of iron.
Preferably, the conductive assembly comprises a conductive block and an insulating block, the insulating block is arranged between the conductive block and the upper cover of the cylinder, a through hole is formed in the conductive block, and the inner diameter of the through hole is matched with the outer diameter of the quick through connector.
Preferably, the material of the insulating block is bakelite.
Preferably, the conductive block is provided with a fixed lead bolt hole, and the fixed lead bolt hole are used for fixing positive and negative leads of the excitation power supply.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the high-frequency longitudinal magnetic field generating device for magnetic control welding, disclosed by the invention, the longitudinal high-frequency magnetic field is formed by the excitation coil with few turns, so that the magnetic induction intensity of the high-frequency magnetic field can be smoothly output, the welding electric arc compression effect is more obvious under the action of electromagnetic force, the electric arc energy density is more concentrated, the stiffness of the electric arc is improved, the depth-to-width ratio of a welding line is increased, and the high-frequency longitudinal magnetic field generating device for magnetic control welding is smaller and more convenient, and is suitable for. The high-frequency longitudinal magnetic field generating device for magnetic control welding is closer to the tungsten electrode end of the welding gun, so that the loss of the magnetic induction intensity in the process of transferring to the welding arc is reduced, and the compression effect is more obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a high-frequency longitudinal magnetic field generator and a welding gun;
FIG. 2 is an isometric view of a high frequency longitudinal magnetic field generating device;
FIG. 3 is a schematic diagram of the combination of the upper cover of the cylinder, the water cooling assembly and the conductive assembly;
FIG. 4 is a schematic cross-sectional view of a high-frequency longitudinal magnetic field generator;
in the figure: 1-welding gun, 2-mounting component, 3-barrel upper cover, 31-clamping hole, 32-first hexagon bolt connecting hole, 33-second hexagon bolt connecting hole, 4-barrel lower shell, 5-water cooling component, 51-quick through joint, 52-water cooling hollow copper pipe, 6-conducting component, 61-conducting block, 62-insulating block, 63-water cooling hollow copper pipe coil, 64-fixed lead bolt hole and 7-magnetic core.
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.
The invention aims to provide a high-frequency longitudinal magnetic field generating device for magnetic control welding, which is used for solving the problems in the prior art, realizing the smooth output of the magnetic induction intensity of a high-frequency longitudinal alternating magnetic field and ensuring the effective completion of a high-frequency magnetic control welding process.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 4, the present embodiment provides a high-frequency longitudinal magnetic field generating device for magnetron welding, which includes a mounting assembly 2, a water cooling assembly 5, a conductive assembly 6 and a magnetic core 7; installation component 2 installs in the welder tip, and installation component includes: a cylinder upper cover 3 and a cylinder lower shell 4. The water cooling component 5 and the conductive component 6 are arranged on the cylinder upper cover 3. The water cooling component 5 comprises a quick straight-through joint 51 and a water cooling hollow copper pipe 52; the conductive assembly comprises a conductive block 61, an insulating block 62, a water-cooling copper pipe coil 63 and a fixed lead bolt hole 64. The quick through connector 51, the conductive block 61, the insulating block 62 and the fixed lead bolt hole 64 are divided into two parts and respectively installed at the rear end of the cylinder upper cover 3. It should be noted that the water-cooled hollow copper tube 52 and the water-cooled copper tube coil 63 are made of the same hollow copper tube coil, and the hollow copper tube coil is mounted on the quick through connector 51.
The end of the welding gun refers to the end of the welding gun 1 where the arc is generated, in fig. 1, the inner shape of the mounting assembly 2 is matched with the end of the welding gun, and the mounting assembly 2 is sleeved on the end of the welding gun and fixed by a set screw. Ideally the axis of the welding gun 1 coincides with the axis of the mounting assembly 2.
In the present example, the mounting assembly 2 comprises: the upper cover 3 and the lower shell 4 of the cylinder body are made of aluminum alloy, and the magnetic core 7 is made of iron. The upper cover 3 of the cylinder body is provided with a first hexagonal bolt connecting hole 32 and a second hexagonal bolt connecting hole 33, and the upper side of the upper cover 3 of the cylinder body is matched with the first hexagonal bolt connecting hole 32 and the second hexagonal bolt connecting hole 33 through screws. The cylinder upper cover 3 is mounted on the cylinder lower case 4. The magnetic core 7 is mounted inside the mounting assembly 2. The axis of the magnetic core 7 is consistent with the axis of the cylinder upper cover 3 of the cylinder structure and the cylinder lower shell 4 of the cylinder structure. The barrel upper cover 3 is provided with a clamping hole 31, the clamping hole 31 penetrates along the radial direction of the barrel upper cover 3, and a fastening bolt penetrates through the clamping hole 31 to connect the barrel upper cover 3 with the end part of the welding gun 1.
As shown in fig. 3 and 4, the water cooling unit 5 includes: a quick through joint 51 and a water-cooled hollow copper pipe 52. The water-cooled hollow copper pipe 52 can be a square pipe or a round pipe, the water source of the water-cooled hollow copper pipe 52 is communicated through a water inlet and a water outlet, and the water inlet and the water outlet are composed of quick straight-through connectors. It should be noted here that one end of the water-cooled hollow copper pipe 52 is connected to the inner side of the rapid through connection of the water inlet, and after 5 turns of winding are wound on the magnetic core 7, the other end is connected to the inner side of the rapid through connection of the water outlet. 5 turns of 5 turns are wound on the magnetic core 7, the water-cooling hollow copper pipe coil 63 is used as a magnetic induction coil and plays a role in water cooling, and the coil with few turns can reduce the inductance in a loop so as to ensure that the magnetic induction intensity of a high-frequency magnetic field is output smoothly.
In order to realize the best welding effect, a circulating water source is adopted as a water source, and the electrified high-frequency longitudinal magnetic field generating device is cooled by circulating water.
In this embodiment, the axis of the water-cooled hollow copper tube 52 (i.e. the water-cooled hollow copper tube coil 63) is consistent with the axis of the cylinder upper cover 3, and the axis of the magnetic core 7 is consistent with the axis of the cylinder lower shell 4 of the cylindrical structure, so that the generated high-frequency alternating longitudinal magnetic field can be uniformly distributed on the electric arc and the molten pool.
As shown in fig. 3 and 4, the conductive member 6 includes: the structure comprises a conductive block 61, an insulating block 62, a water-cooling hollow copper pipe coil 63 and a fixed lead bolt hole 64. Specifically, in some embodiments, the conductive block 61 and the insulating block 62 are provided with holes inside, and the inner diameter of the holes is matched with the outer diameter of the quick-through connector 51 and fixed on the upper cover 3 of the cylinder body through mounting bolts. The conductive block 61 is provided with a fixed lead threaded hole 64 which is matched with the upper bolt and used for fixing positive and negative leads led out from the excitation power supply, when the excitation power supply is electrified, the positive output current of the excitation power supply is transmitted to the conductive part of the quick through connector 51 through the conductive block 61 and then transmitted to the water-cooling hollow copper pipe coil 63, and the positive output current is transmitted back to the negative electrode of the excitation power supply in the same way. The high-frequency alternating current of the excitation power supply acts on the water-cooling hollow copper pipe coil 63 to generate a high-frequency alternating longitudinal magnetic field, and finally acts on the electric arc and the molten pool, compresses the electric arc and stirs the molten pool.
It should be noted that the two sets of conductive blocks 61, the insulating block 62 and the fixing wire threaded hole 64 are symmetrically installed on the cylinder upper cover 3, so as to insulate the cylinder upper cover 3. The insulating block 62 is made of bakelite, and the insulating block 62 is arranged between the cylinder upper cover 3 and the conducting block 61, so that magnetic conduction error is avoided, and the mounting structure is reliable.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A high-frequency longitudinal magnetic field generating device for magnetic control welding is characterized in that: the welding gun comprises an installation component, water cooling components, a conductive component and a magnetic core, wherein the installation component assembled at the end part of a welding gun comprises an upper barrel cover and a lower barrel shell which are fixedly connected with each other; the inner wall of the lower shell of the cylinder body is provided with the magnetic core, the two water cooling assemblies respectively comprise a water inlet quick straight-through joint and a water outlet quick straight-through joint, one end of the water cooling hollow copper pipe is connected with the water inlet quick straight-through joint, and the other end of the water cooling hollow copper pipe is wound by a plurality of turns along the outer side of the magnetic core and then is connected with the water outlet quick straight-through joint; the two conductive assemblies are respectively used for fixing positive and negative wires led out from the excitation power supply, and the current output by the excitation power supply is transmitted to the water-cooling hollow copper pipe through the conductive assemblies and interacts with the magnetic core.
2. The high-frequency longitudinal magnetic field generating device for magnetron welding of claim 1, characterized in that: the inner shape of the mounting assembly is matched with the end part of the welding gun, and the mounting assembly is sleeved on the end part of the welding gun and is fixed through a screw; the axis of the welding gun coincides with the axis of the mounting assembly.
3. The high-frequency longitudinal magnetic field generating device for magnetron welding of claim 1, characterized in that: the upper cover of the cylinder body is provided with a first hexagon bolt connecting hole and a second hexagon bolt connecting hole, and the upper cover of the cylinder body is arranged on the lower shell of the cylinder body by matching screws with the first hexagon bolt connecting hole and the second hexagon bolt connecting hole; and the axis of the magnetic core is superposed with the axes of the upper cover of the cylinder body and the lower shell of the cylinder body.
4. The high-frequency longitudinal magnetic field generating device for magnetron welding of claim 1, characterized in that: the lateral wall of barrel upper cover is equipped with the card hole, the radial through setting of barrel upper cover is followed in the card hole, and the bolt passes the card hole and is connected barrel upper cover and welder's end connection.
5. The high-frequency longitudinal magnetic field generating device for magnetron welding of claim 1, characterized in that: the winding number of the water-cooling hollow copper pipe on the magnetic core is 5; the barrel upper cover and the barrel lower casing are made of aluminum alloy, and the magnetic core is made of iron.
6. The high-frequency longitudinal magnetic field generating device for magnetron welding of claim 1, characterized in that: the conductive assembly comprises a conductive block and an insulating block, the insulating block is arranged between the conductive block and the upper cover of the barrel, a through hole is formed in the conductive block, and the inner diameter of the through hole is matched with the outer diameter of the quick through connector.
7. The high-frequency longitudinal magnetic field generating device for magnetron welding of claim 6, characterized in that: the insulating block is made of bakelite.
8. The high-frequency longitudinal magnetic field generating device for magnetron welding of claim 6, characterized in that: the conductive block is provided with a fixed lead bolt hole, and the fixed lead bolt hole are used for fixing positive and negative leads of an excitation power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110276310.6A CN113042860A (en) | 2021-03-15 | 2021-03-15 | High-frequency longitudinal magnetic field generating device for magnetic control welding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110276310.6A CN113042860A (en) | 2021-03-15 | 2021-03-15 | High-frequency longitudinal magnetic field generating device for magnetic control welding |
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| CN113042860A true CN113042860A (en) | 2021-06-29 |
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| CN202110276310.6A Pending CN113042860A (en) | 2021-03-15 | 2021-03-15 | High-frequency longitudinal magnetic field generating device for magnetic control welding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769831A (en) * | 2022-03-30 | 2022-07-22 | 重庆普尔萨科技有限公司 | Electromagnetic pulse welding assembly |
| CN114799464A (en) * | 2022-03-30 | 2022-07-29 | 重庆普尔萨科技有限公司 | Electromagnetic pulse welding workbench |
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| CN102513649A (en) * | 2011-12-29 | 2012-06-27 | 大连华锐重工集团股份有限公司 | Single-wire submerged arc surfacing welding electromagnetic stirring magnetic head |
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| CN110067712A (en) * | 2019-06-05 | 2019-07-30 | 中国人民解放军国防科技大学 | Magnetic plasma thruster for inducing axial magnetic field |
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2021
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| US4386258A (en) * | 1978-08-28 | 1983-05-31 | Nippon Mining Co., Ltd. | High frequency magnetic field coupling arc plasma reactor |
| CN102513649A (en) * | 2011-12-29 | 2012-06-27 | 大连华锐重工集团股份有限公司 | Single-wire submerged arc surfacing welding electromagnetic stirring magnetic head |
| CN203746601U (en) * | 2014-02-27 | 2014-07-30 | 浙江晶盛机电股份有限公司 | CUSP magnetic field generating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769831A (en) * | 2022-03-30 | 2022-07-22 | 重庆普尔萨科技有限公司 | Electromagnetic pulse welding assembly |
| CN114799464A (en) * | 2022-03-30 | 2022-07-29 | 重庆普尔萨科技有限公司 | Electromagnetic pulse welding workbench |
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| CN114799464B (en) * | 2022-03-30 | 2023-11-03 | 重庆普尔萨科技有限公司 | Electromagnetic pulse welding workbench |
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