CN203184844U - Laser consumable electrode electric arc paraxial hybrid welding device with additional high frequency magnetic field - Google Patents
Laser consumable electrode electric arc paraxial hybrid welding device with additional high frequency magnetic field Download PDFInfo
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- CN203184844U CN203184844U CN 201320198864 CN201320198864U CN203184844U CN 203184844 U CN203184844 U CN 203184844U CN 201320198864 CN201320198864 CN 201320198864 CN 201320198864 U CN201320198864 U CN 201320198864U CN 203184844 U CN203184844 U CN 203184844U
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Abstract
The utility model relates to a laser consumable electrode electric arc paraxial hybrid welding device with an additional high frequency magnetic field. The laser consumable electrode electric arc paraxial hybrid welding device comprises a welding machine, a welding gun, welding wires, an exciting coil, an exciting power source, a hybrid welding head welding gun clamping mechanism, a connecting piece, a laser head and a hybrid welding head connecting piece. Compared with the prior art, the laser consumable electrode electric arc paraxial hybrid welding device with the additional high frequency magnetic field has the advantages of being small in size, low in cost and strong in practicability. The exciting coil acts on light-induced plasma bodies generated by lasers, reduces the shielding effect of the light-induced plasma bodies on the lasers, improves the utilization ratio of electromagnetism and electric arc self stable combustion capacity, promotes molten drops to be in smooth transition and to flow completely of molten pool metal and overcomes the defects of flashes in the welding process and air holes in welding seams. Due to the fact that the electromagnetic stirring effect of the exciting coil self is conductive to flow of the molten pool metal and refinement of welding seam grain structures, the gas hole rate and the cracking rate of the welding seams are lowered, the structure property of a welding connector is improved, the technology of laser consumable electrode electric arc paraxial hybrid welding is optimized, and a wide market prospect is achieved.
Description
Technical field
The utility model relates to the materials processing technology field, particularly adds the laser fusion pole electrical arc paraxonic composite welding device of high frequency magnetic field.
Background technology
Studies show that both at home and abroad, laser and two kinds of thermals source of electric arc organic compound, laser fusion pole electrical arc composite welding, though can significantly improve welding efficiency and welding quality, existing deficiency when overcoming the single source welding, yet, in the electric arc combined welding process of high power laser, still exist certain spatter to influence face of weld pattern and appearance of weld quality, especially welding of aluminum, during the high anti-material of laser such as copper, also there is more serious pore, weld defects such as hump, in addition, the photo plasma that laser produces can produce shielding action to laser, and this shielding action meeting simultaneously influences the ability of arc stability burning and smoothly transitting of consumable electrode weldering molten drop, influence welding quality, continue to reduce the laser utilization rate, influence the ability of arc stability burning, also can weld droplet transfer process and the mobile generation of molten pool metal harmful effect to consumable electrode simultaneously, produce spatter, defectives such as pore influence quality of weld seam molding.
Between laser nozzle and workpiece, add high frequency magnetic field, charged particle in the plasma is moved under the effect of Lorentz force, the shape of its density and distribution and plasma and position all can change, thereby reduce photo plasma to the screen effect of laser, improve utilization ratio of laser energy, improve the welding arc stablility burning capacity, the while, spatter and the porosity can reduce owing to screen effect weakens and the facilitation of externally-applied magnetic field to the droplet transfer itself.
Summary of the invention
The purpose of this utility model provides a kind of photic three-dimensional shielding action to laser that waits that reduces, improve electric arc homeostasis burning capacity, promote molten drop to smoothly transit and fully the flowing of molten pool metal, reduce the laser-arc paraxonic composite welding device and method that adds high frequency magnetic field of the pore in splashing of producing in the welding process and the weld seam.
For achieving the above object, the utility model is realized by the following technical solutions:
Add the laser fusion pole electrical arc paraxonic composite welding device of high frequency magnetic field, comprise welding machine, welding gun, welding wire, magnetizing coil, excitation power supply, composite welding head welding gun clamping mechanism, connector, laser head and composite welding head connector, the both positive and negative polarity of described welding machine is connected with welding gun with workpiece respectively, welding gun passes composite welding head welding gun clamping mechanism, connector and magnetizing coil successively and is connected with welding wire, and the magnetizing coil two ends are connected with the both positive and negative polarity of excitation power supply respectively; Described composite welding head welding gun clamping mechanism is connected with laser head by the composite welding head connector; Described composite welding head welding gun clamping mechanism is connected with magnetizing coil by connector.
Described magnetizing coil is entwined by the copper pipe of 6-8mm, and its coil turn is the 4-6 circle, and the copper pipe outside is with the stainless steel protection cover, and copper pipe inside is connected with cooling water, and copper pipe is connected with excitation power supply by binding post.
Described welding gun electrode gas shielded arc welding gun.
Compared with prior art, the beneficial effects of the utility model are:
Add the laser fusion pole electrical arc paraxonic composite welding device and method of high frequency magnetic field, it is little to have volume, cost is low, practical characteristics, the photo plasma that magnetizing coil acts on the laser generation reduces the photic three-dimensional shielding action to laser that waits, improve electromagnetism utilization rate and electric arc homeostasis burning capacity, promoting molten drop to smoothly transit flows with the abundant of molten pool metal, reduce produce in the welding process splash and weld seam in defectives such as pore, because the function composite by electromagnetic stirring of magnetizing coil own is conducive to the refinement of flowing of molten pool metal and weld grain tissue, reduce weld porosity rate and crackle rate, improve the welding point structure property, optimized laser fusion pole electrical arc paraxonic composite welding process, vast market prospect has been arranged.
Description of drawings
Fig. 1 is structure chart of the present utility model.
1-welding machine, 2-welding gun, 3-welding wire, 4-workpiece, 5-magnetizing coil, 6-excitation power supply, 7-composite welding head welding gun clamping mechanism, 8-connector, 9-laser beam, 10-laser head, 11-composite welding head connector
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further specified:
As shown in Figure 1, the utility model adds the laser fusion pole electrical arc paraxonic composite welding device of high frequency magnetic field, comprise welding machine 1, welding gun 2, welding wire 3, magnetizing coil 5, excitation power supply 6, composite welding head welding gun clamping mechanism 7, connector 8, laser head 10 and composite welding head connector 11, the both positive and negative polarity of described welding machine 1 is connected with welding gun 2 with workpiece 4 respectively, welding gun 2 passes composite welding head welding gun clamping mechanism 7, connector 8 and magnetizing coil 5 successively and is connected with welding wire 3, and magnetizing coil 5 two ends are connected with the both positive and negative polarity of excitation power supply 6 respectively; Described composite welding head welding gun clamping mechanism 7 is connected with laser head 10 by composite welding head connector 11; Described composite welding head welding gun clamping mechanism 7 is connected with magnetizing coil 5 by connector 8; Described magnetizing coil 5 is entwined by the copper pipe of 6-8mm, its coil turn is the 4-6 circle, and the copper pipe outside is with the stainless steel protection cover, the magnetic field that produces in the copper pipe is enclosed in the confined space of sealing, the magnetic field that copper pipe is produced fully is added to welding region, improves the electromagnetism utilization rate; Copper pipe inside is connected with cooling water, and copper pipe is connected with excitation power supply 6 by binding post, and its voltage is the 10-20 volt, and it is the high frequency magnetic field of 1～20KHz that magnetizing coil 5 produces frequency; Described welding gun electrode gas shielded arc welding gun.
When using the utility model, finish according to the following steps:
1) at first the both positive and negative polarity of welding machine 1 is connected to workpiece 4 and welding gun 2 respectively, then excitation power supply 6 outputs is connected on the magnetizing coil 5, welding gun 2 is installed on the composite welding head welding gun clamping mechanism 7, determine the welding walking path;
2) open excitation power supply 6, exciting curent by excitation power supply 6 generations, power supply is given and the composite welding head welding gun magnetizing coil 5 that mechanism 7 is connected that is installed, making magnetizing coil 5 produce frequency in laser fusion pole electrical arc paraxonic composite welding zone is the high frequency magnetic field of 1～20KHz, the high frequency magnetic field that produces in laser fusion pole electrical arc paraxonic composite welding zone acts on the photo plasma that laser produces, reduce the photic three-dimensional shielding action to laser that waits, improve the laser utilization rate, also act on welding arc simultaneously, because the high-frequency variation of externally-applied magnetic field and the difference of arc-plasma and air permeability, will inside and outside electric arc, form a magnetic pressure difference △ P, this magnetic pressure missionary society produces high frequency magnetic compression effect to electric arc, improve arc energy density and deflection, the compression arc radius, improve electric arc homeostasis burning capacity in the laser fusion pole electrical arc paraxonic composite welding, since screen effect weaken and magnetic field itself to the facilitation of molten drop, molten drop in the composite welding process is smoothly transitted, and then improve laser fusion pole electrical arc paraxonic composite welding process;
3) opening protection gas welds; observe the appearance of weld situation; exciting curent by regulating 1～200A and 25%～75% duty are recently adjusted the introducing intensity of high frequency magnetic field; adjust the pull-in frequency of high frequency magnetic field by the exciting curent frequency of regulating 1～20KHz; weld penetration can increase along with the increase of exciting curent frequency and magnetic field intensity; under the laser power of the welding current of 1 identical～500A and 1～6000W; add high frequency magnetic field and be significantly increased than the weld penetration that does not add magnetic field laser fusion pole electrical arc paraxonic composite welding; increasing degree is about 10%～35%; the grain structure of welding heat affected zone becomes fine and closely woven, and crisp hard tendency obviously reduces.
Above described only be basic principle of the present utility model, be not that the utility model is imposed any restrictions, everyly according to the utility model it is carried out equivalent variations and modification, all within the category of the art of this patent protection scheme.
Claims (3)
1. add the laser fusion pole electrical arc paraxonic composite welding device of high frequency magnetic field, it is characterized in that, comprise welding machine, welding gun, welding wire, magnetizing coil, excitation power supply, composite welding head welding gun clamping mechanism, connector, laser head and composite welding head connector, the both positive and negative polarity of described welding machine is connected with welding gun with workpiece respectively, welding gun passes composite welding head welding gun clamping mechanism, connector and magnetizing coil successively and is connected with welding wire, and the magnetizing coil two ends are connected with the both positive and negative polarity of excitation power supply respectively; Described composite welding head welding gun clamping mechanism is connected with laser head by the composite welding head connector; Described composite welding head welding gun clamping mechanism is connected with magnetizing coil by connector.
2. the laser fusion pole electrical arc paraxonic composite welding device that adds high frequency magnetic field according to claim 1; it is characterized in that; described magnetizing coil is entwined by the copper pipe of 6-8mm; its coil turn is the 4-6 circle; the copper pipe outside is with the stainless steel protection cover; copper pipe inside is connected with cooling water, and copper pipe is connected with excitation power supply by binding post.
3. the laser fusion pole electrical arc paraxonic composite welding device that adds high frequency magnetic field according to claim 1 is characterized in that described welding gun electrode gas shielded arc welding gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198864 CN203184844U (en) | 2013-04-17 | 2013-04-17 | Laser consumable electrode electric arc paraxial hybrid welding device with additional high frequency magnetic field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198864 CN203184844U (en) | 2013-04-17 | 2013-04-17 | Laser consumable electrode electric arc paraxial hybrid welding device with additional high frequency magnetic field |
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| CN203184844U true CN203184844U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320198864 Expired - Fee Related CN203184844U (en) | 2013-04-17 | 2013-04-17 | Laser consumable electrode electric arc paraxial hybrid welding device with additional high frequency magnetic field |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170753A (en) * | 2013-04-17 | 2013-06-26 | 鞍山煜宸科技有限公司 | Arc paraxial welding device and method of laser consumable electrode additionally provided with high-frequency magnetic field |
| CN105945430A (en) * | 2016-05-30 | 2016-09-21 | 重庆理工大学 | High-efficiency welding method utilizing low-power laser based on induction of microbeam plasma arc |
| CN110369825A (en) * | 2019-07-31 | 2019-10-25 | 华中科技大学 | A kind of electromagnetic ultrasound method and system of the inhibition of increasing material manufacturing molten metal hump |
| CN112318068A (en) * | 2020-09-30 | 2021-02-05 | 沈阳晨光弗泰波纹管有限公司 | Method for manufacturing complex structural member ultrasonic detection test piece with various welding defects |
-
2013
- 2013-04-17 CN CN 201320198864 patent/CN203184844U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170753A (en) * | 2013-04-17 | 2013-06-26 | 鞍山煜宸科技有限公司 | Arc paraxial welding device and method of laser consumable electrode additionally provided with high-frequency magnetic field |
| CN105945430A (en) * | 2016-05-30 | 2016-09-21 | 重庆理工大学 | High-efficiency welding method utilizing low-power laser based on induction of microbeam plasma arc |
| CN110369825A (en) * | 2019-07-31 | 2019-10-25 | 华中科技大学 | A kind of electromagnetic ultrasound method and system of the inhibition of increasing material manufacturing molten metal hump |
| CN112318068A (en) * | 2020-09-30 | 2021-02-05 | 沈阳晨光弗泰波纹管有限公司 | Method for manufacturing complex structural member ultrasonic detection test piece with various welding defects |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20170417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |