CN101972883A - Full-penetration welding device of metal sheet - Google Patents
Full-penetration welding device of metal sheet Download PDFInfo
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- CN101972883A CN101972883A CN 201010553199 CN201010553199A CN101972883A CN 101972883 A CN101972883 A CN 101972883A CN 201010553199 CN201010553199 CN 201010553199 CN 201010553199 A CN201010553199 A CN 201010553199A CN 101972883 A CN101972883 A CN 101972883A
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Abstract
The invention relates to a full-penetration welding device of a metal sheet. The anode of a primary welding machine is respectively connected with the anode of a secondary welding machine and a wire feed structure; the wire feed structure is connected with a primary welding gun; and the cathode of the primary welding machine is connected with a workpiece. The invention is characterized in that the cathode of the secondary welding machine is connected with a secondary welding gun; the secondary welding gun is arranged at one side of the primary welding gun; and the other side of the primary welding gun is provided with a gas shield mechanism. The invention has the advantages that the problems of workpiece deformation, welding line burnthrough, welding collapse and the like generated in the sheet welding process can be solved, thereby the high-quality welding of the sheet is realized.
Description
Technical field
The present invention relates to a kind of welder, relate in particular to a kind of full penetration welder of sheet metal.
Background technology
The sheet metal welding is a key area in fields such as automobile making, boats and ships, space flight.Common plate sheet welding mode adopts modes such as Laser Welding, gas metal-arc welding, carbon dioxide gas arc welding to carry out more, has higher welding efficiency.But the insoluble problem of above-mentioned welding method is that because welded seam area sweating heat input quantity is very high, plate sheet welding is easy to generate distortion; Although laser weld has less molten bath district, can reduce the heat affected area relatively, workpiece deformation reduces, and more increases owing to the Laser Welding energy, forms arc burn easily and weldering is collapsed.
Summary of the invention
The object of the present invention is to provide a kind of full penetration welder of sheet metal, this device adopts the water-cooled copper block of non-melt pole as the Composite Double electric arc mode from arc electrodes (from welding gun), by regulating the constant-current source welding current, thereby realize the accurate adjusting and the control of the hot input quantity of workpiece welding region, make workpiece import less hot input quantity.
The present invention is achieved like this; it comprises main welding machine, from welding machine, wire feed structure, from welding gun, gas shield mechanism, main welding gun; the positive pole of main welding machine connects respectively from the positive pole of welding machine and wire feed structure; the wire feed structure connects main welding gun; the negative pole of main welding machine connects workpiece; it is characterized in that connecting from welding gun from the negative pole of welding machine, from the side of welding gun at main welding gun, the opposite side of main welding gun is provided with gas shield mechanism.
Described is the water-cooled copper block electrode from welding gun.
Main arc between described main welding gun and the workpiece, main welding gun and between the welding gun from electric arc; The water-cooled copper block electrode as from the arc electrode from welding gun, can carry the welding current below 500 amperes; Molten drop spray transfer form under having realized 200 amperes, wherein, the parameter adjustable range of main arc electric current is 5 amperes～140 amperes, is 60 amperes～190 amperes from the arc current scope.
Advantage of the present invention is: can solve the workpiece deformation, arc burn, the weldering that occur in plate sheet welding process problem such as collapse, thereby realize the high-quality welding of thin plate.
Description of drawings
Fig. 1 is a structural representation of the present invention.
In the drawings, 1, main welding machine 2, from welding machine 3, wire feed structure 4, from welding gun 5, gas shield mechanism 6, main welding gun 7, workpiece 8, main arc 9, from electric arc.
The specific embodiment
As shown in Figure 1, the present invention is achieved like this, the positive pole of main welding machine 1 connects respectively from the positive pole of welding machine 2 and wire feed structure 3, wire feed structure 3 connects main welding gun 4, and the negative pole of main welding machine 1 connects workpiece, connects from welding gun 4 from the negative pole of welding machine 2, from the side of welding gun 4 at main welding gun 6, the opposite side of main welding gun 6 is provided with gas shield mechanism 5, the main arc between main welding gun 1 and the workpiece 7, main welding gun 6 and between the welding gun 4 from electric arc; The water-cooled copper block electrode as from the arc electrode from welding gun 4, can carry the welding current below 500 amperes; Molten drop spray transfer form under having realized 200 amperes, wherein, the parameter adjustable range of main arc electric current is 5 amperes～140 amperes, is 60 amperes～190 amperes from the arc current scope.During use, start two welding switches, start the protection air cock, start the workpiece motion s power switch, start from electric arc water cooling unit power supply; Han Jie workpiece is adjusted the position relation between welding gun, the workpiece as required; Start the workpiece motion s platform, workpiece begins the plane and moves, and opens protection pneumatic transmission air to open family, opens the main arc operating switch, and main welding gun is started working; Start simultaneously from the electric arc operating switch, start working from welding gun.During shutdown, close, close the main arc switch again,, close aspirated switch after 5 seconds, close the water cooling unit power switch after 10 seconds closing the platform motion switch from arc switch.End-of-job.
Claims (3)
1. the full penetration welder of a sheet metal; it comprises main welding machine, from welding machine, wire feed structure, from welding gun, gas shield mechanism, main welding gun; the positive pole of main welding machine connects respectively from the positive pole of welding machine and wire feed structure; the wire feed structure connects main welding gun; the negative pole of main welding machine connects workpiece; it is characterized in that connecting from welding gun from the negative pole of welding machine, from the side of welding gun at main welding gun, the opposite side of main welding gun is provided with gas shield mechanism.
2. the full penetration welder of a kind of sheet metal according to claim 1 is characterized in that described is the water-cooled copper block electrode from welding gun.
3. the full penetration welder of a kind of sheet metal according to claim 1 is characterized in that being between described main welding gun and the workpiece main arc, main welding gun and from being from electric arc between the welding gun; The water-cooled copper block electrode as from the arc electrode from welding gun, can carry the welding current below 500 amperes; Molten drop spray transfer form under having realized 200 amperes, wherein, the parameter adjustable range of main arc electric current is 5 amperes～140 amperes, is 60 amperes～190 amperes from the arc current scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010553199 CN101972883A (en) | 2010-11-22 | 2010-11-22 | Full-penetration welding device of metal sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010553199 CN101972883A (en) | 2010-11-22 | 2010-11-22 | Full-penetration welding device of metal sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101972883A true CN101972883A (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010553199 Pending CN101972883A (en) | 2010-11-22 | 2010-11-22 | Full-penetration welding device of metal sheet |
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| CN (1) | CN101972883A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357719A (en) * | 2011-09-13 | 2012-02-22 | 天津大学 | Double consumable electrode and single arc bypass coupled compound welding system and method |
| CN112846458A (en) * | 2020-12-31 | 2021-05-28 | 山东大学 | Ultra-low heat input welding device and welding method for metal sheet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB764571A (en) * | 1954-03-24 | 1956-12-28 | Union Carbide & Carbon Corp | Method and apparatus for tandem inert gas-shielded arc welding |
| US3549857A (en) * | 1967-04-05 | 1970-12-22 | British Welding Research Ass | Welding processes and apparatus |
| JPS5439338A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Multi-electrode arc welding method and apparatus |
| JPS5577975A (en) * | 1978-12-08 | 1980-06-12 | Hitachi Ltd | Method and apparatus for multiple electrode welding |
| JPS5736070A (en) * | 1980-08-13 | 1982-02-26 | Nippon Kokan Kk <Nkk> | Gas shielded arc welding method |
| JP2007237224A (en) * | 2006-03-08 | 2007-09-20 | Jfe Steel Kk | Tig welding method of thin steel plate |
| CN101116925A (en) * | 2006-07-31 | 2008-02-06 | 株式会社大亨 | Double-wire feeding arc welding method and multi-layer surfacing method |
| CN101745723A (en) * | 2008-12-02 | 2010-06-23 | 株式会社神户制钢所 | Multielectrode gas-shielded arc welding method |
-
2010
- 2010-11-22 CN CN 201010553199 patent/CN101972883A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB764571A (en) * | 1954-03-24 | 1956-12-28 | Union Carbide & Carbon Corp | Method and apparatus for tandem inert gas-shielded arc welding |
| US3549857A (en) * | 1967-04-05 | 1970-12-22 | British Welding Research Ass | Welding processes and apparatus |
| JPS5439338A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Multi-electrode arc welding method and apparatus |
| JPS5577975A (en) * | 1978-12-08 | 1980-06-12 | Hitachi Ltd | Method and apparatus for multiple electrode welding |
| JPS5736070A (en) * | 1980-08-13 | 1982-02-26 | Nippon Kokan Kk <Nkk> | Gas shielded arc welding method |
| JP2007237224A (en) * | 2006-03-08 | 2007-09-20 | Jfe Steel Kk | Tig welding method of thin steel plate |
| CN101116925A (en) * | 2006-07-31 | 2008-02-06 | 株式会社大亨 | Double-wire feeding arc welding method and multi-layer surfacing method |
| CN101745723A (en) * | 2008-12-02 | 2010-06-23 | 株式会社神户制钢所 | Multielectrode gas-shielded arc welding method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357719A (en) * | 2011-09-13 | 2012-02-22 | 天津大学 | Double consumable electrode and single arc bypass coupled compound welding system and method |
| CN102357719B (en) * | 2011-09-13 | 2013-07-03 | 天津大学 | Double consumable electrode and single arc bypass coupled compound welding system and method |
| CN112846458A (en) * | 2020-12-31 | 2021-05-28 | 山东大学 | Ultra-low heat input welding device and welding method for metal sheet |
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Application publication date: 20110216 |