CN1864904A - Arc welding torch with adjustable soldering flux strip - Google Patents
Arc welding torch with adjustable soldering flux strip Download PDFInfo
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- CN1864904A CN1864904A CN 200510096419 CN200510096419A CN1864904A CN 1864904 A CN1864904 A CN 1864904A CN 200510096419 CN200510096419 CN 200510096419 CN 200510096419 A CN200510096419 A CN 200510096419A CN 1864904 A CN1864904 A CN 1864904A
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Abstract
The invention relates to a solder electric arc weld gun, used in electric arc weld. It is purposed to adjust the feeding speed of solder band and solder wire, relative melt amount, and limit the electric arc to improve its energy density and stability. Wherein, it wire tube (7) is mounted on the weld gun base (4); solder wire (3) via feeding wheel (1) is fed into wire tube (7); two solder bands (8) via feeding belt wheel (2) are fed into band guide tube (6); the sections of two sheet conductive nozzle (9a) are both the wedge surfaces, which via spring blade (5) are mounted on the weld gun base (4); the sheet conductive nozzles (9a, 9b) have the through grooves (9c) of solder wire (3); two solder bands (8) vi band guide tube (6) are separated by the wedge surfaces of sheet conductive nozzles (9a, 9b).
Description
Technical field
The present invention relates to welding processing equipment, specifically is the used device of arc welding.
Background technology
In order to obtain good welding point, need stable welding arc and rational transfer manner of droplet on the one hand during welding; Need to add alloying element on the other hand, reach the purpose of control property of welded joint by the control metallurgical reaction.Developed the welding method of a lot of interpolation medicinal powder (including alloying element) for this reason, the SMAW that the medicinal powder extrusion is welded on the bare wire surface for example, because welding rod can not be realized continuous welding, therefore developed the continuity SMAW that to realize continuous welding afterwards again; In addition, also developed medicinal powder has been added flux cored wire to realize the flux cored wire arc welding of continuous welding.Yet the welding wire and the medicinal powder amount of the sending into ratio of these welding methods are fixed when welding, so the fusing amount of the two is uncontrollable.
In addition, increase its blow force of arc for the needs that require that satisfy some special process during the welding rod welding, but this only depends on the content that increases gas-forming agent in the coating is far from being enough, also must utilize the increase sleeve that the degree of restraint of electric arc is improved blow force of arc by high-melting-point amount of substance in the increase coating to increase length sleeve.
Summary of the invention
The purpose of this invention is to provide a kind of arc welding torch that can regulate feed rate and fusing amount and energy constraint arc, raising arc energy density and the stability of solder flux band and welding wire.
The present invention is an arc welding torch with adjustable soldering flux strip, wire leading pipe (7) is installed on the welding gun bearing (4), welding wire (3) through wire feed rolls (1), enter wire leading pipe (7), article two, solder flux band (8) enters conduction band pipe (6) through feed roller (2), the cross section of two board-like ignition tips (9a) is lozenges, be installed on the welding gun bearing (4) by spring leaf (5) respectively, have the current groove (9c) of welding wire (3) on board-like ignition tip (9a, 9b), two solder flux bands (8) separate through the lozenges of conduction band pipe (6) back by board-like ignition tip (9a, 9b).
Two potsherds (10) are embedded on the groove of link (10 '), are installed in the both sides of board-like ignition tip (9a, 9b), leave the gap that solder flux band (8) passes through with the outside of board-like ignition tip (9a, 9b).
Usefulness of the present invention is: two solder flux bands (will be made on thin steel band two surfaces by the solder flux extrusion that medicinal powder makes) are sent into arc region with constraint arc continuously along the welding wire both sides during welding, arc energy density and stability have been improved, the CO that solder flux band fusing back forms
2Gas and slag are used to protect electric arc and molten bath.In addition, because solder flux band and welding wire independently send to separately, so the feed rate by adjusting solder flux band and welding wire is than the fusing amount that can realize regulating the two; Also can reach constraint arc, improve the purpose of arc energy density and stability in addition, and be not subjected to the restriction of flux constituent by the distance of regulating between solder flux band and the electric arc.
Description of drawings
Fig. 1 is a scheme of erection of the present invention, and Fig. 2 a is that B-B is to cutaway view among Fig. 1, and Fig. 2 b is the partial enlarged drawing of corresponding position on arrow indication Fig. 2 c, Fig. 2 c be among Fig. 1 A-A to cutaway view.
The specific embodiment
As shown in Figure 1, wire leading pipe (7) is installed on the welding gun bearing (4), welding wire (3) through wire feed rolls (1), enter wire leading pipe (7), two solder flux bands (8) enter conduction band pipe (6) through feed roller (2).Shown in Fig. 2 b, Fig. 2 c, the cross section of two board-like ignition tips (9a) is lozenges, is installed on the welding gun bearing (4) by spring leaf (5) respectively.Shown in Fig. 1, Fig. 2 a, on board-like ignition tip (9a, 9b), have the current groove (9c) of welding wire (3).Shown in Fig. 1, Fig. 2 b, Fig. 2 c, two solder flux bands (8) separate through the lozenges of conduction band pipe (6) back by board-like ignition tip (9a, 9b).Shown in Fig. 1, Fig. 2 b, 2c, two potsherds (10) are embedded on the groove of link (10 '), are installed in the both sides of board-like ignition tip (9a, 9b), leave the gap that solder flux band (8) passes through with the outside of board-like ignition tip (9a, 9b).
As shown in Figure 1, welding wire (3) under the impetus of wire feed rolls (1) in wire leading pipe (7) enters the V-type groove of board-like ignition tip (9); Article two, solder flux band (8) then enters conduction band pipe (6) and is strutted at the lozenges place of board-like ignition tip (9) under the impetus of feed roller (2), and the both sides along board-like ignition tip (9) under the contained effect of potsherd (10) enter arc region.The diameter of welding wire (3) is 1.6mm, and the thickness of board-like ignition tip (9) is elected 2mm as.Board-like ignition tip (9) is divided into two (9a, 9b), be separately fixed on two spring leafs (5), and these two spring leafs are fixed on the welding gun bearing (4), two boards formula ignition tip tightly is clipped in welding wire in the V-type groove under the effect of power that spring leaf applies, therefore board-like ignition tip contacts well with welding wire, and welding arc stablility is reliable.
The concrete function of each parts of welding gun of the present invention is as follows:
Spring leaf (5): be used for fixing board-like ignition tip on the one hand, be used on the other hand exerting pressure to guarantee that welding wire contacts well with board-like ignition tip to board-like ignition tip.
Board-like ignition tip (9a, 9b): because the gage of wire that adopts is 1.6mm, so board-like ignition tip thickness is elected 2mm as and is had V-shaped groove, board-like ignition tip is mainly used in to the welding wire conductive electric current and utilizes the pressure of two spring leafs tightly to be clipped in welding wire in the V-shaped groove, have lozenges on two of a board-like ignition tip faces therein in addition, this lozenges is used for two solder flux bands are strutted and the resistance when reducing the solder flux band and sending to.
Potsherd (10): the distance that is used to limit two solder flux bands and arc center's axis.
Conduction band pipe (6): play a part to be the solder flux tape guide that because solder flux band rigidity is limited, unavoidable resistance is excessive to be produced bending and be stuck because of sending to, has had conduction band pipe solder flux band just can successfully be sent into electric arc (11).
Wire leading pipe (7): play a part to be mainly used in and to make welding wire and board-like ignition tip V-shaped groove centering, send resistance to reduce welding wire for the welding wire guiding.
Feed roller (2): feed roller is mainly used in and transmits the solder flux band, two feed rollers and solder flux band contact portion all are stained with rubber blanket (13), rubber blanket (13) is on the one hand in order to increase the power of sending to of solder flux band, is used on the other hand prevent that the solder flux belt surface from peeling off because of stressed excessive solder flux and the steel band of causing.
Solder flux band (8): be mainly used in and add solder flux and constraint arc.The solder flux band is made of solder flux and thin steel band two parts, thin steel band is positioned in the middle of the solder flux band, and solder flux is positioned at steel band two surfaces, and thin steel band mainly plays reinforcement, thereby make the solder flux band when bending, produce certain radian, help like this ready-made solder flux tep reel one-tenth dish.
Wire feed rolls (1): be mainly used in the transmission welding wire.(12) be workpiece.
After the solder flux band enters arc region, melt under the effect of arc heat fully, the solder flux band of fusing and the welding wire metal of fusing finally form weld seam and slag behind a series of metallurgical reaction of process in the molten bath.The used flux constituent of solder flux band is mainly some gas-forming agents, slag former and alloying element; the gas that produces during the Welding Metallurgy reaction has protective effect to electric arc and molten bath; and the slag that generates not only can stable arc; but also can cover face of weld protection weld seam, remainder will enter weld seam to improve Weld Performance after the alloying element in the solder flux finishes metallurgical reaction.
The used welding parameter of the present invention is respectively: weldingvoltage 26V, and welding current 290A welds fast 7.5mm/s, wire feed rate 63mm/s, solder flux band feed rate 30mm/s, solder flux tape thickness 1mm, width 5mm, used mother metal are * 70 pipe line steels, welding wire is H08Mn2Si.Used flux constituent is: marble 41.2%, fluorite 27.8%, ferrotianium 7.4%, ferrosilicon 7.2%, brium carbonate 3%, rutile 3%, titanium dioxide 7.4%, aluminium powder 3%.
Claims (2)
1, arc welding torch with adjustable soldering flux strip, wire leading pipe (7) is installed on the welding gun bearing (4), welding wire (3) through wire feed rolls (1), enter wire leading pipe (7), article two, solder flux band (8) enters conduction band pipe (6) through feed roller (2), the cross section that it is characterized in that two board-like ignition tips (9a) is lozenges, be installed on the welding gun bearing (4) by spring leaf (5) respectively, have the current groove (9c) of welding wire (3) on board-like ignition tip (9a, 9b), two solder flux bands (8) separate through the lozenges of conduction band pipe (6) back by board-like ignition tip (9a, 9b).
2, arc welding torch with adjustable soldering flux strip according to claim 1, it is characterized in that two potsherds (10) are embedded on the groove of link (10 '), be installed in the both sides of board-like ignition tip (9a, 9b), leave the gap that solder flux band (8) passes through with the outside of board-like ignition tip (9a, 9b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100964192A CN100396418C (en) | 2005-11-21 | 2005-11-21 | Arc welding torch with adjustable soldering flux strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100964192A CN100396418C (en) | 2005-11-21 | 2005-11-21 | Arc welding torch with adjustable soldering flux strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1864904A true CN1864904A (en) | 2006-11-22 |
| CN100396418C CN100396418C (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100964192A Expired - Fee Related CN100396418C (en) | 2005-11-21 | 2005-11-21 | Arc welding torch with adjustable soldering flux strip |
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| Country | Link |
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| CN (1) | CN100396418C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941113A (en) * | 2010-06-11 | 2011-01-12 | 兰州交通大学 | Welding gun of ultra narrow gap and welding method |
| CN102151955A (en) * | 2011-03-01 | 2011-08-17 | 兰州理工大学 | Ultra-narrow gap welding device and method for U-shaped flux strip constraining arc |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2002401A1 (en) * | 1970-01-20 | 1971-07-29 | British Oxygen Co Ltd | Arc welding process and electrode |
| GB1397236A (en) * | 1974-02-13 | 1975-06-11 | British Oxygen Co Ltd | Arc welding |
| JP2662293B2 (en) * | 1989-04-14 | 1997-10-08 | バブコツク日立株式会社 | Underwater TIG welding torch |
| CN1030970C (en) * | 1993-05-31 | 1996-02-14 | 冶金工业部钢铁研究总院 | Method for large-area built-up welding on metal surface |
| GB0402951D0 (en) * | 2004-02-11 | 2004-03-17 | Rolls Royce Plc | A welding torch and shield |
| CN1657214A (en) * | 2005-03-23 | 2005-08-24 | 天津大学 | Welding system of gas-powder shielded welding and its method |
-
2005
- 2005-11-21 CN CNB2005100964192A patent/CN100396418C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941113A (en) * | 2010-06-11 | 2011-01-12 | 兰州交通大学 | Welding gun of ultra narrow gap and welding method |
| CN101941113B (en) * | 2010-06-11 | 2012-12-05 | 兰州交通大学 | Welding gun of ultra narrow gap |
| CN102151955A (en) * | 2011-03-01 | 2011-08-17 | 兰州理工大学 | Ultra-narrow gap welding device and method for U-shaped flux strip constraining arc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100396418C (en) | 2008-06-25 |
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