CN203184841U - Laser-TIG electric arc paraxial hybrid welding device with external high frequency magnetic field - Google Patents
Laser-TIG electric arc paraxial hybrid welding device with external high frequency magnetic field Download PDFInfo
- Publication number
- CN203184841U CN203184841U CN 201320057201 CN201320057201U CN203184841U CN 203184841 U CN203184841 U CN 203184841U CN 201320057201 CN201320057201 CN 201320057201 CN 201320057201 U CN201320057201 U CN 201320057201U CN 203184841 U CN203184841 U CN 203184841U
- Authority
- CN
- China
- Prior art keywords
- welding
- laser
- tig
- electric arc
- welding gun
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model relates to a laser-TIG electric arc paraxial hybrid welding device with an external high frequency magnetic field. The laser-TIG electric arc paraxial hybrid welding device comprises a TIG welding machine, a welding gun, a tungsten electrode, an exciting coil, an exciting power source, a hybrid welding head and welding gun clamping mechanism, a connecting part, a laser head and a hybrid welding head connection device. The positive pole and the negative pole of the TIG welding machine are connected with a workpiece and the welding gun respectively, the welding gun penetrates through the hybrid welding head and welding gun clamping mechanism, the connecting part and the exciting coil in sequence and is connected with the tungsten electrode, and the two ends of the exciting coil are connected with the positive pole and the negative pole of the exciting power source respectively. Compared with the prior art, the laser-TIG electric arc paraxial hybrid welding device has the advantages that pneumatic pressure of electric arcs and electric current density of the electric arcs are enhanced effectively, heat distribution of the electric arcs is more concentrated, the radiuses of the electric arcs are compressed, and therefore energy density of the electric arcs and stiffness of the electric arcs are enhanced; the improvement of the energy density of the electric arcs and the compression of the radiuses of arc columns of the electric arcs are beneficial to enhancement of stable burning capability of the electric arcs during laser-TIG electric arc paraxial hybrid welding.
Description
Technical field
The utility model relates to the materials processing technology field, particularly a kind of laser-TIG electric arc paraxonic composite welding device that adds 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 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, the photo plasma that laser produces can produce shielding action to laser on the one hand, on the other hand, because this photic three-dimensional existence that waits can make the welding arc anode spot drift about, the ability of arc stability burning descends.
Based on above understanding, the utility model utilization adds high frequency magnetic field, act on the photo plasma that laser produces on the one hand, reduce the photic three-dimensional shielding action to laser that waits, improve the laser utilization rate, act on welding arc on the other hand, improve electric arc homeostasis burning capacity and impact the fusion penetration ability, vast market and application prospect are arranged.
Summary of the invention
The purpose of this utility model provides a kind of raising laser utilization rate and electric arc homeostasis burning capacity and impacts the fusion penetration ability, and then improves the laser that adds high frequency magnetic field that the adds high frequency magnetic field-TIG electric arc paraxonic composite welding device of laser-TIG electric arc paraxonic composite welding process.
For achieving the above object, the utility model is realized by the following technical solutions:
A kind of laser-TIG electric arc paraxonic composite welding device that adds high frequency magnetic field, comprise tig arc welding machine, welding gun, tungsten electrode, 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 tig arc 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 tungsten electrode, 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.
Compared with prior art, the beneficial effects of the utility model are:
A kind of laser-TIG electric arc paraxonic composite welding device that adds high frequency magnetic field, have the advantages that volume is little, cost is low, easy to use, owing to add high frequency magnetic field, effectively improved the electric arc Pneumatic pressure, arc current density, it is more concentrated that the electric arc heat is distributed, compressed the electric arc radius, and then improved the deflection of arc energy density and electric arc, and the compression of the raising of electric arc self-energy density and electric arc arc column radius, the smooth combustion ability of electric arc and impact the increase of fusion penetration ability when very being conducive to laser-TIG electric arc paraxonic composite welding; On the other hand, charged ion 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, thereby improve welding efficiency and welding process stability, in addition, the introducing of high frequency magnetic field also can increase the fluid ability of molten pool metal, refinement weld grain tissue, and then effectively improve the appearance of weld of laser-TIG electric arc paraxonic composite welding from every side, and effectively optimized welding procedure, vast market and application prospect are arranged.
Description of drawings
Fig. 1 is structure chart of the present utility model.
1-tig arc welding machine, 2-welding gun, 3-tungsten electrode, 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, a kind of laser-TIG electric arc paraxonic composite welding device that adds high frequency magnetic field of the utility model, comprise tig arc welding machine 1, welding gun 2, tungsten electrode 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 tig arc 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 tungsten electrode 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.
When using the utility model, finish according to the following steps:
1) at first according to the material of workpiece, thickness of slab, cut form etc.; specify welding condition; as welding current, laser power, speed of welding, protection throughput, tungsten electrode and workpiece distance etc., these technological parameters laser-TIG electric arc paraxonic composite welding standard technology laid down by during according to no externally-applied magnetic field.
2) then the both positive and negative polarity of tig arc 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;
3) 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-TIG electric arc paraxonic composite welding zone is the high frequency magnetic field of 0～20KHz, act on the photo plasma that laser produces at the high frequency magnetic field that laser-TIG electric arc paraxonic composite welding zone produces, reduce the photic three-dimensional shielding action to laser that waits, improve the laser utilization rate, simultaneously, also act on welding arc, 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 improves electric arc homeostasis burning capacity and the ability of impacting fusion penetration in laser-TIG electric arc paraxonic composite welding;
4) opening protection gas welds; observe the appearance of weld situation; exciting curent by regulating 0～200A 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 0～20KHz; improve laser-TIG electric arc paraxonic composite welding appearance of weld technology; 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 0 identical～500A and 0～6000W; add high frequency magnetic field and be significantly increased than the weld penetration that does not add magnetic field laser-TIG electric 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 (1)
1. laser-TIG electric arc paraxonic composite welding device that adds high frequency magnetic field, it is characterized in that, comprise tig arc welding machine, welding gun, tungsten electrode, 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 tig arc 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 tungsten electrode, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057201 CN203184841U (en) | 2013-01-31 | 2013-01-31 | Laser-TIG electric arc paraxial hybrid welding device with external high frequency magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057201 CN203184841U (en) | 2013-01-31 | 2013-01-31 | Laser-TIG electric arc paraxial hybrid welding device with external high frequency magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203184841U true CN203184841U (en) | 2013-09-11 |
Family
ID=49101737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320057201 Withdrawn - After Issue CN203184841U (en) | 2013-01-31 | 2013-01-31 | Laser-TIG electric arc paraxial hybrid welding device with external high frequency magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203184841U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071937A (en) * | 2013-01-31 | 2013-05-01 | 鞍山煜宸科技有限公司 | Laser-TIG (Tungsten Inert Gas) arc rangefinder hybrid welding method and device with addition of high frequency magnetic field |
| CN103612019A (en) * | 2013-11-15 | 2014-03-05 | 华中科技大学 | CO2 laser-TIG electric arc hybrid welding method for magnetic stirring |
| CN104325226A (en) * | 2014-10-28 | 2015-02-04 | 无锡汉神电气有限公司 | Combined welding gun holder |
| CN104325226B (en) * | 2014-10-28 | 2017-01-04 | 无锡汉神电气有限公司 | Compound welding gun holding device |
| CN106670666A (en) * | 2016-12-14 | 2017-05-17 | 南京航空航天大学 | Construction method of energy distribution coefficient model of laser-electric-arc combined machining based on precise energy distribution |
-
2013
- 2013-01-31 CN CN 201320057201 patent/CN203184841U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071937A (en) * | 2013-01-31 | 2013-05-01 | 鞍山煜宸科技有限公司 | Laser-TIG (Tungsten Inert Gas) arc rangefinder hybrid welding method and device with addition of high frequency magnetic field |
| CN103612019A (en) * | 2013-11-15 | 2014-03-05 | 华中科技大学 | CO2 laser-TIG electric arc hybrid welding method for magnetic stirring |
| CN104325226A (en) * | 2014-10-28 | 2015-02-04 | 无锡汉神电气有限公司 | Combined welding gun holder |
| CN104325226B (en) * | 2014-10-28 | 2017-01-04 | 无锡汉神电气有限公司 | Compound welding gun holding device |
| CN106670666A (en) * | 2016-12-14 | 2017-05-17 | 南京航空航天大学 | Construction method of energy distribution coefficient model of laser-electric-arc combined machining based on precise energy distribution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103128423B (en) | Laser tungsten inert gas (TIG) arc coaxial hybrid welding method with additional high frequency magnetic field and device | |
| CN103170753A (en) | Arc paraxial welding device and method of laser consumable electrode additionally provided with high-frequency magnetic field | |
| CN103071937B (en) | Laser-TIG (Tungsten Inert Gas) arc rangefinder hybrid welding method and device with addition of high frequency magnetic field | |
| CN202461816U (en) | Combined welding gun | |
| CN104858538B (en) | Airflow waveform modulation variable-polarity plasma welding method | |
| CN108890102B (en) | Method for swinging magnetic control plasma arc | |
| CN104985327A (en) | Bifocus laser and InFocus arc hybrid welding method | |
| CN107790886B (en) | Pulsed negative pressure formula laser enhancing KTIG and MIG composite welding apparatus and method | |
| CN101817112A (en) | Single power supply single-surface serial double-TIG (Tungsten Inert Gas) arc welding method | |
| CN104858554B (en) | A kind of plasma arc and double MIG carry out the welding torch being combined | |
| CN203184841U (en) | Laser-TIG electric arc paraxial hybrid welding device with external high frequency magnetic field | |
| CN1943959A (en) | Laser-electric arc composite processing method | |
| CN107042351B (en) | A kind of non-consumable gas shielded arc welding welding wire end position determination method | |
| CN101745747A (en) | Laser-electric arc composite welding method through extra electric field | |
| CN102814577A (en) | Three-dimensional distribution two-arc welding method | |
| CN102069305B (en) | Laser twin-electric arc compound welding system | |
| CN203184844U (en) | Laser consumable electrode electric arc paraxial hybrid welding device with additional high frequency magnetic field | |
| CN106735909A (en) | It is a kind of for laser beam and the welding torch of plasma arc composite welding | |
| CN203184840U (en) | Laser-TIG electric arc coaxial hybrid welding device with external high frequency magnetic field | |
| CN103612018B (en) | A kind of laser-side-arcing complex welding method | |
| CN206455302U (en) | It is a kind of to be used for laser beam and the welding torch of plasma arc composite welding | |
| CN109483022B (en) | Gas-magnetic combined regulation and control double-tungsten-electrode TOPTIG welding method | |
| CN108453387B (en) | Coaxial composite welding method of ultrahigh-power laser and multi-tungsten-electrode magnetic control rotating electric field | |
| CN108436275B (en) | Coaxial composite welding method of ultrahigh-power laser and three-tungsten-electrode magnetic control rotating electric field | |
| CN108515267A (en) | Ultra high power laser and agitation electric field coaxial hybrid welding method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |