CN103737161B - Multilayer metal foil and the welding method of thick sheet metal - Google Patents

Multilayer metal foil and the welding method of thick sheet metal Download PDF

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Publication number
CN103737161B
CN103737161B CN201310693592.5A CN201310693592A CN103737161B CN 103737161 B CN103737161 B CN 103737161B CN 201310693592 A CN201310693592 A CN 201310693592A CN 103737161 B CN103737161 B CN 103737161B
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China
Prior art keywords
metal foil
multilayer metal
welding
thick sheet
sheet metal
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CN201310693592.5A
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CN103737161A (en
Inventor
梁恩荣
吴荣善
陈梦逢
潘子祥
何耀飞
李庭慧
付强
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Pangang Group Engineering Technology Co Ltd
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Pangang Group Engineering Technology Co Ltd
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Priority to CN201310693592.5A priority Critical patent/CN103737161B/en
Publication of CN103737161A publication Critical patent/CN103737161A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/173Arc welding or cutting making use of shielding gas and of a consumable electrode
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0408Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/02Seam welding; Backing means; Inserts
    • B23K9/025Seam welding; Backing means; Inserts for rectilinear seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/235Preliminary treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/16Bands or sheets of indefinite length

Abstract

The invention discloses the welding method of a kind of multilayer metal foil and thick sheet metal, the method comprises the following steps: use fixture to be clamped by described multilayer metal foil, and uses welding to weld the termination of described multilayer metal foil;Weld after termination after the welding of described multilayer metal foil is docked with the termination of thick sheet metal.The multilayer metal foil of the present invention and the welding method of thick sheet metal can significantly improve multilayer metal foil and the welding efficiency of thick sheet metal and welding quality.

Description

Multilayer metal foil and the welding method of thick sheet metal
Technical field
The invention belongs to metal solder field, in particular it relates to a kind of multilayer metal foil and the welding method of thick sheet metal.
Background technology
At present, the method for welding sheet metal (such as, aluminium and aluminium alloy sheet) mainly has Laser Welding, soldering, argon tungsten-arc welding and partially solidified weldering etc..Wherein, for generally using soldering from the point of view of the welding of multilayer metal foil, but soldering tends not to meet the requirement of welding product because intensity is low.Argon tungsten-arc welding is generally used, although argon tungsten-arc welding disclosure satisfy that the requirement of weld strength, but its welding efficiency is relatively low from the point of view of welding for the high sheet metal of butt welded seam requirement of strength.Although additionally, remaining several welding method all can realize the adjustable range of small parameter, shaping and the temperature in molten bath can be controlled well, but equally exists the problem that welding efficiency is low.
Welding has the plurality of advantages such as high weld strength and welding efficiency; but owing to welding current is big; being easily caused sheet metal (particularly aluminium and aluminium alloy sheet) deformation, therefore it is used for the welding of cut deal of aluminium, copper, titanium and alloy thereof etc..
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of high intensity, the multilayer metal foil of high welding efficiency and the welding method of thick sheet metal.
Multilayer metal foil according to the present invention comprises the following steps with the welding method of thick sheet metal: use fixture to be clamped by described multilayer metal foil, and uses welding to weld the termination of described multilayer metal foil;Weld after termination after the welding of described multilayer metal foil is docked with the termination of thick sheet metal.
According to the exemplary embodiment of the present invention, described fixture may include that the first grip block and the second grip block, is clamped in therebetween by described multilayer metal foil;Securing member, makes described multilayer metal foil be clamped between the first grip block and the second grip block.
According to the exemplary embodiment of the present invention, described securing member can be bolt.
Exemplary embodiment according to the present invention, first grip block and the second grip block can be provided with through hole in its edge, bolt through the through hole of the first grip block and the second grip block so that described multilayer metal foil is clamped in the first grip block and the second grip block.
Reinforcement can be provided with on the outer surface back to described multilayer metal foil according to the exemplary embodiment of the present invention, the first grip block and/or the second grip block.
Can be aluminium and/or aluminium alloy plate according to the exemplary embodiment of the present invention, described multilayer metal foil and thick sheet metal.
Exemplary embodiment according to the present invention, multilayer metal foil can also include with the welding method of thick sheet metal: be cleaned the termination to be welded of described multilayer metal foil and the termination to be welded of thick sheet metal processing, and the termination to be welded of described multilayer metal foil is flushed process.
According to the exemplary embodiment of the present invention, the distance between termination and the fixture of described multilayer metal foil can be less than 4mm.
According to the exemplary embodiment of the present invention, in described multilayer metal foil, the thickness of every layer of sheet metal can be 1~5mm, and the thickness of thick sheet metal can be more than 15mm, and the gross thickness of described multilayer metal foil can be equal to the thickness of thick sheet metal.
According to the exemplary embodiment of the present invention, can be at the upside of the termination to be welded of thick sheet metal and/or downside bevel.
Exemplary embodiment according to the present invention, it is possible to use the termination of welding welding multilayer metal foil and the termination of thick sheet metal.
Multilayer metal foil according to the present invention can significantly improve multilayer metal foil and the welding efficiency of thick sheet metal and welding quality with the welding method of thick sheet metal.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the fixture of the exemplary embodiment according to the present invention;
Fig. 2 is the schematic diagram using holder multilayer metal foil of the exemplary embodiment according to the present invention;
Fig. 3 is that the multilayer metal foil of the exemplary embodiment according to the present invention docks schematic diagram with thick sheet metal;
Fig. 4 is to illustrate that the method for the exemplary embodiment according to the present invention welds the welding effect of multilayer metal foil and the schematic diagram of the welding effect using Tig Welding multilayer metal foil according to prior art.
Symbol description:
1 multilayer metal foil
11 first grip blocks
12 first through holes
13 first reinforcements
21 second grip blocks
22 second through holes
23 second reinforcements
30 securing members
4 thick sheet metals
Detailed description of the invention
Below with reference to accompanying drawings and combine exemplary embodiment the multilayer metal foil of the present invention is described in detail with the welding method of thick sheet metal.
Fig. 1 is the schematic diagram of the fixture of the exemplary embodiment according to the present invention, Fig. 2 is the schematic diagram using this holder multilayer metal foil of the exemplary embodiment according to the present invention, and Fig. 3 is that the multilayer metal foil of the exemplary embodiment according to the present invention docks schematic diagram with thick sheet metal.The multilayer metal foil of the exemplary embodiment of the present invention and the welding method of thick sheet metal is described in detail below with reference to Fig. 1, Fig. 2 and Fig. 3.
First, fixture (as shown in Figure 1) is used to be clamped by multilayer metal foil 1.
Specifically, by stacked for multilayer metal foil 1 neat, and clamp multilayer metal foil 1 is used.With reference to Fig. 1, include the first grip block the 11, second grip block 21 and securing member 30 according to the fixture of the exemplary embodiment of the present invention.First grip block 11 and the second grip block 21 can make multilayer metal foil 1 clamp between which; in this condition; multilayer metal foil 1 can be clamped by securing member 30; such that it is able to use the termination of welding welding multilayer metal foil 1, it is achieved that multilayer metal foil welding efficient, high-quality.
According to the exemplary embodiment of the present invention, the first grip block 11 and the second grip block 21 can be rectangle (as depicted in figs. 1 and 2), but the present invention is not limited to this.Additionally, any suitable material that the first grip block 11 and the second grip block 21 can be enough to clamp multilayer metal foil 1 by intensity and not deform is made, such as, can be made up of the metallic plate of such as alloy, steel.As depicted in figs. 1 and 2, when welding multilayer metal foil 1, the first grip block 11 and the second grip block 21 can be arranged in parallel to clamp between which multilayer metal foil 1.
According to the exemplary embodiment of the present invention, securing member 30 is for applying power to the first grip block 11 and the second grip block 21, so that multilayer metal foil 1 is clamped between the first grip block 11 and the second grip block 21.According to the exemplary embodiment of the present invention, as it is shown in figure 1, securing member 30 can be bolt.But those skilled in the art is it will be recognized that the form of securing member 30 is the most particularly limited, such as, can be clip or stud.
According to the exemplary embodiment of the present invention, in the case of securing member 30 is bolt, as depicted in figs. 1 and 2, at the first clamping 11 plates and the second grip block 21 both sides of the edge, it is provided with the first through hole 12 and the second through hole 22.Wherein, it is mutually aligned at the first grip block 11 and the first through hole 12 of the second grip block 21 ipsilateral penumbra and the second through hole 22, thus bolt can exert a force to the first grip block 11 and the second grip block 21 through the first through hole 12 and the second through hole 22, makes multilayer metal foil 1 be clamped between the first grip block 11 and the second grip block 21.Exemplary embodiment according to the present invention, bolt can be combined with nut after the second through hole 22 through the first through hole 12, thus is the first grip block 11 and the second grip block 21 applies power to be clamped in by multilayer metal foil 1 between first grip block 11 and the second grip block 21.But, the present invention is not limited to this, for example, it is possible to be threaded structure inside the second through hole 22, thus it is the first grip block 11 by being screwed inside bolt and the second through hole 22 and the second grip block 21 applies force to the realization holding function to multilayer metal foil 1.
Exemplary embodiment according to the present invention, as depicted in figs. 1 and 2, first reinforcement 13 and/or the second reinforcement 23 can be set on the outer surface back to multilayer metal foil 1 of the first grip block 11 and/or the second grip block 21, to prevent the first grip block 11 and/or the second grip block 21 from bending when clamping multilayer metal foil 1 or deforming.Exemplary embodiment according to the present invention, first reinforcement 13 and/or the second reinforcement 23 can be by being welded to connect with the first grip block 11 and/or the second grip block 21, but the present invention is not limited to this, it is to say, the first reinforcement 13 and/or the second reinforcement 23 may be integrally formed with the first grip block 11 and/or the second grip block 21.
It follows that use the termination of welding welding multilayer metal foil 1.Specifically, after using above-mentioned clamp multilayer metal foil 1, use welding welding multilayer metal foil 1.
Exemplary embodiment according to the present invention, can be before multilayer metal foil 1 being clamped between the first grip block 11 and the second grip block 21, it is cleaned multilayer metal foil 1 processing, the oxide-film that is likely to be present on the surface of multilayer metal foil 1 with removing, the pollutant such as greasy dirt, thus improve welding efficiency and welding quality.Such as, exemplary embodiment according to the present invention, can carry out deoxidation film and degreasing etc. in multilayer metal foil 1 in the range of the both side surface 30~50mm of the termination to be welded of every layer of sheet metal to process, the multilayer metal foil 1 after then processing is clamped between the first grip block 11 and the second grip block 21.
Exemplary embodiment according to the present invention; preferably; when multilayer metal foil 1 is by above-mentioned clamp; use welding in the termination of downhand position welding multilayer metal foil 1; so can avoid in the operating process of such as vertical position welding, overhead welding and horizontal position welding the drippage of molten metal in molten bath; avoid significantly swinging oxygen rifle, simplify welding operation, ensure that welding quality.
Exemplary embodiment according to the present invention, in the termination of welding multilayer metal foil 1 (i.e., when multilayer metal foil 1 is by above-mentioned clamp) time, the distance between termination and the fixture of multilayer metal foil 1 can be made less than 4mm, so it is possible to prevent because the termination to be welded of clamp distance multilayer metal foil 1 causes the termination to be welded of multilayer metal foil 1 cannot clamp (such as too far, the termination to be welded of sheet metal adjacent one another are is separated from each other), so that it is guaranteed that welding quality.
Exemplary embodiment according to the present invention, in welding process, occur that weld seam stays for the initiating terminal and ending end avoiding weld seam, the method for current interruption repeatedly can be used to be filled up by the weld reinforcement at weld seam two ends, and the place that is uneven of alloy cutting sheet rest and reorganization face of weld after welding, can be used.
Then, carry out docking (as shown in Figure 3) with the termination of thick sheet metal 4 by the termination of multilayer metal foil 1 after welding, and the termination of the termination of the multilayer metal foil 1 after butt welding and thick sheet metal 4.
Specifically, as it is shown on figure 3, the termination of multilayer metal foil 1 after using welding welding is docked with the termination of thick sheet metal 4 to be welded, and the termination of multilayer metal foil 1 neat for docking is welded with thick sheet metal 4.
Can be aluminium and/or aluminium alloy plate according to the exemplary embodiment of the present invention, multilayer metal foil 1 and thick sheet metal 4.But the present invention is not limited to this, such as, multilayer metal foil 1 and thick sheet metal 4 can be titanium and/or titanium alloy sheet.
Exemplary embodiment according to the present invention, before the termination with thick sheet metal 4, the termination of welding multilayer metal foil 1, for ensureing welding quality and avoiding multilayer metal foil 1 in welding process to burn, can be at the both side surface bevel of the termination to be welded of thick sheet metal 4, according to the exemplary embodiment of the present invention, bevel angle can be 45 °.But the invention is not restricted to this, say, that can be at the single side surface bevel of the termination to be welded of thick sheet metal 4, bevel angle can also be other angles, such as 60 °.
Exemplary embodiment according to the present invention, can be before the termination of multilayer metal foil 1 be welded with thick sheet metal 4, it is cleaned the termination at the bevel of thick sheet metal 4 to be welded processing, it is likely to be present in the pollutants such as the oxide-film on thick sheet metal surface, greasy dirt to remove, thus improves welding efficiency and welding quality.Such as, exemplary embodiment according to the present invention, deoxidation film and degreasing etc. can be carried out in the range of the 30~50mm of the positive and negative both side surface in bevelled termination of thick sheet metal 4 process, then the termination of the bevelled termination of thick sheet metal with the multilayer metal foil 4 welded be docked.
Exemplary embodiment according to the present invention, it is preferable that use termination and the termination of thick sheet metal 4 of welding welding multilayer metal foil 1, so can improve weld strength and welding quality.
The multilayer metal foil 1 of the exemplary embodiment according to the present invention can apply to welding of the multilayer metal foil that thickness is 1~5mm 1 of every layer of sheet metal and the thickness thick sheet metal 4 more than 15mm with the welding method of thick sheet metal 4, and the gross thickness of multilayer metal foil 1 is equal to the thickness of thick sheet metal 4.But, the present invention is not limited to this, it is to say, said method can apply to thickness thick sheet metal 4 and every layer thickness less than or equal to 15mm welding more than 5mm or the multilayer metal foil 1 being less than 1mm, and the gross thickness of multilayer metal foil 1 is equal with the thickness of thick sheet metal 4.
Fig. 4 is the diagram of the welding effect of the use welding effect according to the method welding multilayer metal foil of the exemplary embodiment of the present invention and the Tig Welding multilayer metal foil according to prior art employing, wherein in Fig. 4, (a) shows the welding effect using Tig Welding multilayer metal foil according to prior art, and in Fig. 4, (b) shows the welding effect of the method welding multilayer metal foil of the exemplary embodiment according to the present invention.
Visible with reference to Fig. 4, use torch swinging amplitude when using welding to weld of the tungsten electrode argon arc welding gun amplitude of fluctuation method much smaller than exemplary embodiment of the present.During additionally, use argon tungsten-arc welding, welding sequence increases along with the number of plies of sheet metal to be welded, and weldment needs through repeatedly heating so that the performance of weld seam itself reduces, and the deformation quantity of multilayer aluminum thin plate also increases simultaneously, and welding efficiency substantially reduces;But, use the welding method of welding according to an exemplary embodiment of the present invention, it is only necessary to a procedure can complete the welding of multilayer aluminum thin plate.
Therefore, according to the welding method applying multilayer metal foil and thick sheet metal of the exemplary embodiment of the present invention, welding multilayer metal foil and the welding efficiency of thick sheet metal and welding quality can be significantly improved.
Although describing the present invention with reference to specific embodiments and the drawings, it is to be understood that the present invention is not limited to above example.

Claims (8)

1. a multilayer metal foil and the welding method of thick sheet metal, it is characterised in that described method bag Include following steps:
Use fixture to be clamped by described multilayer metal foil, and use welding to weld The termination of described multilayer metal foil;
After termination after the welding of described multilayer metal foil is docked with the termination of thick sheet metal, use molten Change the termination of pole inert gas-shielded arc welding welding multilayer metal foil and the termination of thick sheet metal,
Wherein, fixture includes:
First grip block and the second grip block, stack described multilayer metal foil and be clamped in therebetween, with The termination to be welded making the multilayer metal foil of stacking is exposed to the outside of fixture;
Securing member, makes described multilayer metal foil be clamped between the first grip block and the second grip block.
2. multilayer metal foil as claimed in claim 1 and the welding method of thick sheet metal, its feature exists In, described securing member is bolt.
3. multilayer metal foil as claimed in claim 2 and the welding method of thick sheet metal, its feature exists In, the first grip block and the second grip block are provided with through hole in its edge, and bolt passes the first grip block With the through hole of the second grip block described multilayer metal foil to be clamped in the first grip block and the second grip block Between.
4. multilayer metal foil as claimed in claim 1 and the welding method of thick sheet metal, its feature exists In, the outer surface back to described multilayer metal foil of the first grip block and/or the second grip block is provided with Reinforcement.
5. multilayer metal foil as claimed in claim 1 and the welding method of thick sheet metal, its feature exists In, described multilayer metal foil and thick sheet metal are aluminium and/or aluminium alloy plate.
6. multilayer metal foil as claimed in claim 1 and the welding method of thick sheet metal, its feature exists In, described method also includes: to the termination to be welded of described multilayer metal foil and treating of thick sheet metal The termination of welding is cleaned processing, and carries out the termination to be welded of described multilayer metal foil together Flat process.
7. multilayer metal foil as claimed in claim 1 and the welding method of thick sheet metal, its feature exists In, the distance between termination and the fixture of described multilayer metal foil is less than 4mm.
8. multilayer metal foil as claimed in claim 1 and the welding method of thick sheet metal, its feature exists In, in described multilayer metal foil, the thickness of every layer of sheet metal is 1~5mm, and the thickness of thick sheet metal is big In 15mm, and the gross thickness of described multilayer metal foil is equal to the thickness of thick sheet metal.
CN201310693592.5A 2013-12-17 2013-12-17 Multilayer metal foil and the welding method of thick sheet metal Active CN103737161B (en)

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CN201310693592.5A CN103737161B (en) 2013-12-17 2013-12-17 Multilayer metal foil and the welding method of thick sheet metal

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CN103737161B true CN103737161B (en) 2016-09-07

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201175813Y (en) * 2008-04-02 2009-01-07 四川省建科工程技术公司 Automatic welding cramp for light sheet

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JP2005230906A (en) * 2004-02-23 2005-09-02 Jfe Steel Kk Gas shielded arc welding method
JP2007069231A (en) * 2005-09-06 2007-03-22 Ishikawajima Harima Heavy Ind Co Ltd Method of vertical position welding, and structure welded by vertical position welding
US8410400B2 (en) * 2008-12-12 2013-04-02 Material Sciences Corporation Welded metal laminate structure and method for welding a metal laminate structure
US9050673B2 (en) * 2009-06-19 2015-06-09 Extreme Surface Protection Ltd. Multilayer overlays and methods for applying multilayer overlays
JP2011083811A (en) * 2009-10-19 2011-04-28 Ihi Corp Welding equipment and welding method using the same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201175813Y (en) * 2008-04-02 2009-01-07 四川省建科工程技术公司 Automatic welding cramp for light sheet

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