CN202180285U - Twin-wire narrow-gap submerged-arc welding device - Google Patents
Twin-wire narrow-gap submerged-arc welding device Download PDFInfo
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- CN202180285U CN202180285U CN2011201570663U CN201120157066U CN202180285U CN 202180285 U CN202180285 U CN 202180285U CN 2011201570663 U CN2011201570663 U CN 2011201570663U CN 201120157066 U CN201120157066 U CN 201120157066U CN 202180285 U CN202180285 U CN 202180285U
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Abstract
The utility model relates to a twin-wire narrow-gap submerged-arc welding device which comprises a welding gun installing plate, a welding flux recovery pipe, a rear welding gun angle swinging motor, a rear welding gun wire feed machine, a rear welding gun auxiliary welding flux conveying port, a front welding gun wire feed machine, a front welding gun angle swinging motor, a laser transducer, a rear welding gun, a rear welding gun angle turning mechanism, a front welding gun angle turning mechanism, a front welding gun, a main welding flux conveying port, a laser scanning shaft, a laser scanning motor, a workpiece I, a workpiece II, a rear conductive nozzle, a front conductive nozzle and a servo crossed sliding frame; the front welding gun and the rear welding gun are installed on the servo crossed sliding frame; and the welding gun is equipped with the laser scanning shaft. The front welding gun angle turning mechanism and the rear welding gun angle turning mechanism have bending angles, so that reliable conduction of the conductive nozzles is ensured, and the abrasion of the conductive nozzles is reduced; and simultaneously a non-contact laser tracking system is adopted, the laser periodically scans the welding line, and the servo crossed sliding frame tracks in the horizontal and height directions.
Description
Technical field
The utility model relates to a kind of submerged arc welding device of efficient, energy-conservation, high-quality; Particularly relate to a kind of double strings narrow chink slugging arc welding equipment, can be widely used in vertical, the girth welding of industry thick-walled pressure vessels such as boiler, chemical machinery, nuclear power, heavy-duty machinery.
Background technology
Current, conventional double strings narrow chink slugging arc welding machine partly is made up of manipulator, turning rolls (anti-channeling), narrow clearance welding gun, seam tracking system, welding system, electric-control system, flux delivery recovery system etc.Present existing mariages narrow clearance welding gun mechanism is complicated, the conduction poor reliability, and weld joint tracking adopts mechanical sensor, adjustment, difficult in maintenance, these all have influence on the reliability and the automaticity of equipment work.The mariages narrow gap welding welding system of the band Laser Tracking of releasing in recent years, because its complex structure, the cost of welding head and control is high, and operator and welding engineer are had higher training request, is difficult to be widely used.
This shows that above-mentioned existing double strings narrow chink slugging arc welding machine obviously still has inconvenience and defective, and demands urgently further improving in structure and use.In order to solve the problem of above-mentioned existence; Relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly; But do not see always that for a long time suitable design is developed completion, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel double strings narrow chink slugging arc welding equipment, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing double strings narrow chink slugging arc welding machine exists; The inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; And cooperate the utilization of studying the science, actively study innovation, in the hope of founding a kind of novel double strings narrow chink slugging arc welding equipment; Can improve general existing double strings narrow chink slugging arc welding machine, make it have more practicality.Through constantly research, design, and, found out the present invention of true tool practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The main purpose of the utility model is; Overcome the defective that existing double strings narrow chink slugging arc welding machine exists; And a kind of novel double strings narrow chink slugging arc welding equipment is provided; Technical problem to be solved is to make it that a kind of simple in structure, reliable mariages narrow clearance welding gun of electric conductivity is provided, and is very suitable for practicality.
Another purpose of the utility model is; A kind of novel double strings narrow chink slugging arc welding equipment is provided, and technical problem to be solved is to make it provide a kind of laser displacement sensor that adopts to carry out the control system of weld joint tracking through the voltage signal of gathering, and adopts contactless tracking; System is simple; Weld joint tracking is stable, and precision is high, thereby is suitable for practicality more.
The purpose of the utility model and to solve its technical problem be that technical scheme below adopting realizes.According to a kind of double strings narrow chink slugging arc welding equipment that the utility model proposes, it comprises: welding gun installing plate, flux recovering tube, back welding gun swing angle electric, back welding gun wire-feed motor, the auxiliary delivery nozzle of back welding gun solder flux, preceding welding gun wire-feed motor, preceding welding gun swing angle electric, laser sensor, back welding gun, back welding gun rotation angle mechanism, preceding welding gun rotation angle mechanism, preceding welding gun, solder flux master delivery nozzle, laser scanning axle, laser scanning motor, workpiece one, workpiece two, back ignition tip, preceding ignition tip, servo cross balladeur train; Preceding welding gun wherein is installed on the servo cross balladeur train with the back welding gun; Dispose the laser scanning axle on the welding gun; Preceding welding gun swing angle electric wherein and back welding gun swing angle electric, through mechanical transmission mechanism, welding gun rotation angle mechanism and back welding gun rotation angle mechanism before driving respectively, the pivot angle of two welding guns of adjustment; Preceding welding gun wire-feed motor wherein be provided with welding wire straightening mechanism above the welding gun wire-feed motor of back; Solder flux master delivery nozzle wherein is arranged on the place ahead of preceding welding gun, the right side of welding gun, i.e. welding direction one side before being fastened on through screw; Before being arranged on, the auxiliary delivery nozzle of solder flux wherein between welding gun and the back welding gun, is fastened on the left side of preceding welding gun through screw; Described double strings narrow chink slugging arc welding equipment adopts contactless THE WELD SEAM TRACKING TECHNOLOGY.
The purpose of the utility model and solve its technical problem and can also adopt following technical measures to come further to realize.
Aforesaid double strings narrow chink slugging arc welding equipment is provided with angle of bend on wherein said back welding gun rotation angle mechanism and the preceding welding gun rotation angle mechanism, and welding wire is close to ignition tip, the wearing and tearing of self stretch compensation ignition tip of welding wire, and constitute required angle between two welding wires.
Aforesaid double strings narrow chink slugging arc welding equipment, the rifle surface of wherein said preceding welding gun and back welding gun is provided with the cramic coat of reliable insulation; Preceding welding gun is with the fore-and-aft clearance of back welding gun with between left and right apart from scalable.
Aforesaid double strings narrow chink slugging arc welding equipment, wherein said preceding welding gun swing angle electric is the servomotor of being with band-type brake with back welding gun swing angle electric, keeps the welding wire angle constant after the outage; And employing precision drive mechanism, closed-loop control pivot angle angle.
Aforesaid double strings narrow chink slugging arc welding equipment, wherein said back welding gun wire-feed motor and the preceding welding gun wire-feed motor welding wire after with alignment is sent into back welding gun and preceding welding gun respectively, and is seen off by back welding gun swing angle electric and preceding welding gun swing angle electric.
Aforesaid double strings narrow chink slugging arc welding equipment, wherein said in the fitting surface and pilot hole of solder flux master delivery nozzle and preceding welding gun, all be provided with insulating barrier.
Aforesaid double strings narrow chink slugging arc welding equipment in the fitting surface and pilot hole of auxiliary delivery nozzle of wherein said solder flux and back welding gun, all is provided with insulating barrier.
Aforesaid double strings narrow chink slugging arc welding equipment, wherein said laser sensor is installed on the laser scanning axle; The trunnion axis of servo cross balladeur train is parallel with the laser scanning axle, and the laser scanning motor drags laser sensor scanning weld seam; Weld joint tracking on the trunnion axis of servo cross balladeur train and vertical axis difference executive level and the short transverse, workpiece one and the part of workpiece two for being soldered.
Aforesaid double strings narrow chink slugging arc welding equipment, wherein said laser sensor be high accuracy length apart from laser displacement sensor, output and the analog quantity voltage value that detects apart from be directly proportional.
Aforesaid double strings narrow chink slugging arc welding equipment, this equipment adopts contactless THE WELD SEAM TRACKING TECHNOLOGY; Wherein along with the increase of throat depth, it is consistent with the distance of sidewall that welding gun keeps in the horizontal direction.
The utility model compared with prior art has tangible advantage and beneficial effect.Know via above, in order to achieve the above object, the utility model provide a kind of simply, double strings narrow chink slugging arc welding equipment efficiently; Comprise a kind of simple in structure, reliable mariages narrow clearance welding gun of electric conductivity; Developed a kind of laser displacement sensor that adopts and carried out the control system of weld joint tracking through the voltage signal of gathering, contactless tracking, system is simple; Weld joint tracking is stable, and precision is high.
The technical scheme that the utility model addresses the above problem employing is:
In the welding gun design, wire-feeding pipe to ignition tip transitional region has certain angle of bend, and in the wire feed process, welding wire produces strain.Rely on the opposite force of the elasticity generation of self, welding wire is close on the ignition tip inwall all the time,, also can compensate automatically even if ignition tip has certain wearing and tearing.Having overcome traditional straight rifle can not get compensating because of ignition tip wearing and tearing or causes the problem of poorly conductive because of spring is heated to follow the string; And solved between two welding wires angle that needs dexterously; Do not need to form an angle whole welding gun layout, make the welding gun space compacter.
In Machine Design, guarantee the high rigidity and the intensity of rifle body.Rifle surface cramic coat guarantees insulation reliably.Welding gun fore-and-aft clearance and between left and right apart from conveniently adjusted satisfies different welding procedure needs.The welding gun pivot angle cooperates accurate transmission mechanism, closed-loop control pivot angle angle by the AC servo machinery driving of band band-type brake.The front and back welding wire has independent flux delivery mouth respectively, guarantees the solder flux use amount of back silk.Be furnished with the laser scanning axle on the welding gun, welding gun is installed on the servo cross balladeur train.Each drive motors all adopts AC servo motor, guarantees data interaction and tracking accuracy.
Adopt laser displacement sensor.In the welding process, according to the sensing of welding wire, the direction of distinguish of system laser scanning.When welding wire pointed to a left side (right side) sidewall, laser was synchronously by center (or right) scanning weld seam bottom centre and groove sidewall left.The voltage signal that detects through laser displacement sensor, by PLC directly differentiate weld bead height h and welding gun center to sidewall apart from l, realize the tracking of butt welded seam height and sidewall.Concrete implementation is: scan weld seam first by laser and extract the reference range L of altitude datum H and the welding wire end of welding gun in groove apart from sidewall in the cycle.In the follow-up scan period, the welding gun height that each extracts scan period " h " and the welding wire end apart from the distance value of sidewall " l ", compare with " H " and " L " respectively.When difference surpasses the error permissible range, the tracking on servo cross balladeur train executive level and the short transverse.Each scan period is carried out once " detection-comparison-tracking " process.Height and the welding wire end that this tracking mode can guarantee welding gun to weld seam bottom apart from the distance of sidewall remain unchanged (as shown in Figure 5, l
1=l
2=l
3).Compare with the pattern at the tracking weld seam center of routine, this tracking mode can guarantee that all the distance of dry extension of electrode and welding wire end to sidewall is constant, thereby guarantee reliable sidewall fusion and weldquality on the different depth of weld seam.The traditional mechanical tracking mode is: be designed with three mechanical rollers on the welding gun, middle roller is followed the tracks of the height of weld seam bottom, about two rollers follow the tracks of the left and right sides sidewall of weld seam respectively, complicated in mechanical structure, difficult in maintenance, tracking stability is relatively poor.This programme is compared with traditional mechanically tracking mode, has removed the mechanical roller of three covers mechanism from; Compare with the tracking scheme of complex laser+high-speed camera+image discriminating; This programme only adopt one long apart from the precise laser displacement transducer; Directly, differentiate the position of welding gun in groove automatically, the weld bead height that realization narrow gap welding connects and the tracking of sidewall to collect the voltage signal that is directly proportional with distance as foundation; System is simple and reliable, and price is low.
By technique scheme, the utility model double strings narrow chink slugging arc welding equipment has advantage and beneficial effect at least:
1, the utility model is in the welding gun design; Wire-feeding pipe to ignition tip transitional region has certain angle of bend; Having overcome traditional straight rifle can not get compensating because of ignition tip wearing and tearing or causes the problem of poorly conductive because of spring is heated to follow the string; And solved the angle that needs between two welding wires dexterously, and do not need to form an angle whole welding gun layout, make the welding gun space compacter.
2, the utility model guarantees the high rigidity and the intensity of rifle body in Machine Design.Rifle surface cramic coat guarantees insulation reliably.
3, welding gun fore-and-aft clearance and between left and right apart from conveniently adjusted, and closed-loop control pivot angle angle.The front and back welding wire has independent flux delivery mouth respectively, guarantees the solder flux use amount of back silk.
4, be furnished with the laser scanning axle on the welding gun, welding gun is installed on the servo cross balladeur train.Each drive motors all adopts AC servo motor, guarantees data interaction and tracking accuracy.
5, adopt laser displacement sensor.In the welding process, according to the sensing of welding wire, the direction of distinguish of system laser scanning realizes the tracking of butt welded seam height and sidewall.
In sum, the utility model has obvious improvement technically, and has tangible good effect, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of specification, and for let the above-mentioned of the utility model with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the side view of the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is the complete installation diagram of the utility model.
Fig. 4 is the following principle sketch map of the utility model.
Fig. 5 is that the sidewall of the utility model is followed the tracks of sketch map.
1: welding gun installing plate 2: flux recovering tube
3: back welding gun swing angle electric 4: back welding gun wire-feed motor
5: the auxiliary delivery nozzle 6 of back welding gun solder flux: preceding welding gun wire-feed motor
7: preceding welding gun swing angle electric 8: laser sensor
9: back welding gun 10: back welding gun rotation angle mechanism
11: preceding welding gun rotation angle mechanism 12: preceding welding gun
13: solder flux master delivery nozzle
14: laser scanning axle 15: the laser scanning motor
16: workpiece 1: workpiece two
18: back ignition tip 19: preceding ignition tip
21: servo cross balladeur train
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked; Below in conjunction with accompanying drawing and preferred embodiment; To its specific embodiment of double strings narrow chink slugging arc welding equipment, structure, characteristic and the effect thereof that proposes according to the utility model, specify as after.
Aforementioned and other technology contents, characteristics and the effect of relevant the utility model can clearly appear in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation for ease, in following embodiment, components identical is represented with identical numbering.
See also Fig. 1, shown in Figure 2, Fig. 1 and Fig. 2 are the side view and the front view of the utility model double strings narrow chink slugging arc welding equipment.The double strings narrow chink slugging arc welding equipment of the utility model preferred embodiment, it mainly comprises: welding gun installing plate 1, flux recovering tube 2, back welding gun swing angle electric 3, back welding gun wire-feed motor 4, the auxiliary delivery nozzle 5 of back welding gun solder flux, preceding welding gun wire-feed motor 6, preceding welding gun swing angle electric 7, laser sensor 8, back welding gun 9, back welding gun rotation angle mechanism 10, preceding welding gun rotation angle mechanism 11, preceding welding gun 12, solder flux master delivery nozzle 13, laser scanning axle 14, laser scanning motor 15, workpiece 1, workpiece 2 17, back ignition tip 18, preceding ignition tip 19;
Preceding welding gun swing angle electric 7 wherein and back welding gun swing angle electric 3 through mechanical transmission mechanism, drive preceding welding gun rotation angle mechanism 11 and back welding gun rotation angle mechanism 10 respectively, realize the pivot angle of former and later two welding guns.Preceding welding gun swing angle electric 7 all is the servomotor of band band-type brake with back welding gun swing angle electric 3, still can keep the welding wire angle constant after the outage, realizes the closed-loop control of welding gun angle, the precision of assurance pivot angle.
On welding gun rotation angle mechanism behind the wire feed 10 and preceding welding gun rotation angle mechanism 11, all be designed with certain angle of bend; The wearing and tearing of self the stretch compensation ignition tip through welding wire; The reliability of conduction and the service life of ignition tip have been improved; And solved required angle between two welding wires, and do not need two welding guns to be in tilted layout, compact conformation.
Preceding welding gun wire-feed motor 6 wherein is the wire-feed motor of two welding guns with back welding gun wire-feed motor 4, is provided with welding wire straightening mechanism above this wire-feed motor.Welding wire is sent into back welding gun 9 and preceding welding gun 12 respectively by preceding welding gun wire-feed motor 6 and back welding gun wire-feed motor 4 after alignment,, welding wire is seen off via pivot angle mechanism.
Solder flux master delivery nozzle 13 wherein is arranged on the place ahead of preceding welding gun 12, and the right side (welding direction one side) of welding gun 12 is as shown in Figure 3 before being fixed on through screw.In the fitting surface and pilot hole of solder flux master delivery nozzle 13 and preceding welding gun 12, all considered reliable insulation, be provided with insulating barrier.
During welding, main delivery nozzle 13 is sent solder flux into arc region, for front and back electric arc provides reliable protection.
The auxiliary delivery nozzle 5 of solder flux wherein is arranged between preceding welding gun 12 and the back welding gun 9, and the left side of welding gun 12 is as shown in Figure 3 before being fixed on through screw.In the fitting surface and pilot hole of auxiliary delivery nozzle of solder flux and back welding gun 9, all considered reliable insulation, be provided with insulating barrier.
During welding, it is the additional solder flux of electric arc of back silk that solder flux is assisted delivery nozzle 5, and after wire bond finished before preventing, the solder flux under main delivery nozzle 13 is sent was many by the consumption of preceding rifle electric arc, back rifle protection deleterious.
As shown in Figure 2, laser sensor 8 wherein is installed on the laser scanning axle 14, drags the scanning weld seam by laser scanning motor 15.The part that is soldered is workpiece 1 and workpiece 2 17.
See also Fig. 3, Fig. 4, shown in Figure 5 again, Fig. 3 is the three-dimensional installation diagram of the utility model.Fig. 4 is the following principle sketch map of the utility model.Fig. 5 is that the sidewall of the utility model is followed the tracks of sketch map.
The welding gun of the utility model is installed on the servo cross balladeur train 21.
The trunnion axis of servo cross balladeur train 21 is parallel with laser scanning axle 14.Laser scanning axle 14 drags laser sensor 8, the scanning weld seam.The trunnion axis of servo cross balladeur train 21 is carried out the weld seam sidewall and is followed the tracks of, and the vertical axis of servo cross balladeur train 21 is carried out the welding gun short transverse and followed the tracks of.
Laser scanning is as shown in Figure 4.Apart from laser displacement sensor, output and detection are apart from the analog quantity (magnitude of voltage) that is directly proportional for long for laser sensor 8.When laser was scanned by mind-set sidewall in the weld seam, when detecting voltage difference above Δ V, promptly differentiating was the arrival sidewall; Automatic scan suspends; Compare with horizontal tracing reference range " L " this moment detected " 1 ", when difference surpasses admissible error, carries out sidewall by trunnion axis and follow the tracks of.Then, laser instrument returns the weld seam center automatically, and time-out, detects the height " h " of welding gun apart from the weld seam bottom, and compares with altitude datum " H ", when difference surpasses admissible error, is followed the tracks of by the vertical axis execution.After having followed the tracks of, laser instrument continues to follow the tracks of to sidewall direction, so repeatedly.
As stated; This following principle can guarantee welding gun, and the distance L apart from sidewall remains unchanged apart from the height H of weld seam bottom and welding wire end; Like this when welding heavy wall workpiece; Along with the increase of throat depth, dry extension of electrode and welding wire end remain unchanged apart from the distance of sidewall, effectively guarantee the sidewall fusion and the quality of weld seam.As shown in Figure 5.
The utility model provide a kind of simply, solution efficiently; Comprise and designed a kind of simple in structure, reliable mariages narrow clearance welding gun of electric conductivity (welding gun 12 and back welding gun 9 before comprising); Developed a kind of laser displacement sensor that adopts and carried out the control system of weld joint tracking through the voltage signal of gathering, contactless tracking, system is simple; Weld joint tracking is stable, and precision is high.
The technical scheme that the utility model addresses the above problem employing is: in the welding gun design, welding wire can produce crooked in sending process to, produces strain.Rely on the opposite force of the elasticity generation of self, welding wire is close on the inwall of back ignition tip 18 and preceding ignition tip 19 all the time,, also can compensate automatically even if ignition tip has certain wearing and tearing.
Having overcome traditional straight rifle can not get compensating because of ignition tip (back ignition tip 18 with preceding ignition tip 19) wearing and tearing or causes the problem of poorly conductive because of spring is heated to follow the string; And solved between two welding wires angle that needs dexterously; Do not need to form an angle whole welding gun layout, make the welding gun space compacter.
In Machine Design, guarantee the high rigidity and the intensity of rifle body (rifle 12 and back rifle 9 before comprising).Rifle surface cramic coat guarantees insulation reliably.Welding gun (welding gun 12 and back welding gun 9 before comprising) fore-and-aft clearance satisfies different welding procedure needs with distance is conveniently adjusted between left and right.The welding gun pivot angle cooperates accurate transmission mechanism, closed-loop control pivot angle angle by the AC servo machinery driving of band band-type brake.Before and after welding wire independent flux delivery mouth (solder flux master delivery nozzle 13 and the auxiliary delivery nozzle 5 of solder flux) is arranged respectively, guarantee the solder flux use amount of back silk.Be furnished with laser scanning axle 14 on the welding gun, welding gun is installed on the servo cross balladeur train 21.Each drive motors all adopts AC servo motor, guarantees data interaction and tracking accuracy.
Adopt laser displacement sensor 8.In the welding process, according to the sensing of welding wire, the direction of distinguish of system laser scanning.When welding wire pointed to a left side (or right) sidewall, laser was synchronously by center (or right) scanning weld seam bottom centre and groove sidewall left.The voltage signal that detects through laser displacement sensor, by PLC directly differentiate weld bead height h and welding gun center to sidewall apart from l, realize the tracking of butt welded seam height and sidewall.
Concrete implementation is: scan weld seam first by laser and extract the reference range L of altitude datum H and the welding wire end of welding gun in groove apart from sidewall in the cycle.
In the follow-up scan period, the welding gun height that each extracts scan period " h " and the welding wire end apart from the distance value of sidewall " l ", compare with " H " and " L " respectively.
When difference surpasses the error permissible range, the tracking on servo cross balladeur train 21 executive levels and the short transverse.
Each scan period is carried out once " detection-comparison-tracking " process.
Height and the welding wire end that this tracking mode can guarantee welding gun to weld seam bottom apart from the distance of sidewall remain unchanged (as shown in Figure 5, l
1=l
2=l
3).Compare with the pattern at the tracking weld seam center of routine, this tracking mode can guarantee that all the distance of dry extension of electrode and welding wire end to sidewall is constant, thereby guarantee reliable sidewall fusion and weldquality on the different depth of weld seam.
The traditional mechanical tracking mode is: be designed with three mechanical rollers on the welding gun, middle roller is followed the tracks of the height of weld seam bottom, about two rollers follow the tracks of the left and right sides sidewall of weld seam respectively, complicated in mechanical structure, difficult in maintenance, tracking stability is relatively poor.
This programme is compared with traditional mechanically tracking mode, has removed the mechanical roller of three covers mechanism from; Compare with the tracking scheme of complex laser+high-speed camera+image discriminating; This programme only adopt one long apart from the precise laser displacement transducer; Directly, differentiate the position of welding gun in groove automatically, the weld bead height that realization narrow gap welding connects and the tracking of sidewall to collect the voltage signal that is directly proportional with distance as foundation; System is simple and reliable, and price is low.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Though the utility model discloses as above with preferred embodiment, yet be not that any professional and technical personnel of being familiar with is not in breaking away from the utility model technical scheme scope in order to qualification the utility model; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of the utility model technical scheme according to the technical spirit of the utility model.
Claims (10)
1. a double strings narrow chink slugging arc welding equipment is characterized in that it comprises: welding gun installing plate (1), flux recovering tube (2), back welding gun swing angle electric (3), back welding gun wire-feed motor (4), the auxiliary delivery nozzle (5) of back welding gun solder flux, preceding welding gun wire-feed motor (6), preceding welding gun swing angle electric (7), laser sensor (8), back welding gun (9), back welding gun rotation angle mechanism (10), preceding welding gun rotation angle mechanism (11), preceding welding gun (12), solder flux master delivery nozzle (13), laser scanning axle (14), laser scanning motor (15), workpiece one (16), workpiece two (17), back ignition tip (18), preceding ignition tip (19), servo cross balladeur train (21);
Preceding welding gun (12) wherein and back welding gun (9) are installed on the servo cross balladeur train (21); Dispose laser scanning axle (14) on the welding gun;
Preceding welding gun swing angle electric (7) wherein and back welding gun swing angle electric (3), through mechanical transmission mechanism, welding gun rotation angle mechanism (11) and back welding gun rotation angle mechanism (10) before driving respectively, the pivot angle of two welding guns of adjustment;
Preceding welding gun wire-feed motor (6) wherein and be provided with welding wire straightening mechanism above back welding gun wire-feed motor (4);
Solder flux master delivery nozzle (13) wherein is arranged on the place ahead of preceding welding gun (12), is fastened on the right side of preceding welding gun (12), i.e. welding direction one side through screw;
Solder flux wherein assists delivery nozzle (5) to be arranged between preceding welding gun (12) and the back welding gun (9), is fastened on the left side of preceding welding gun (12) through screw.
2. double strings narrow chink slugging arc welding equipment according to claim 1; It is characterized in that being provided with angle of bend on wherein said back welding gun rotation angle mechanism (10) and the preceding welding gun rotation angle mechanism (11); Welding wire is close to ignition tip; The wearing and tearing of self stretch compensation ignition tip of welding wire, and constitute required angle between two welding wires.
3. double strings narrow chink slugging arc welding equipment according to claim 1 is characterized in that the rifle surface of wherein said preceding welding gun (12) and back welding gun (9) is provided with the cramic coat of reliable insulation;
Before welding gun (12) and back welding gun (9) fore-and-aft clearance and between left and right apart from scalable.
4. double strings narrow chink slugging arc welding equipment according to claim 1 is characterized in that wherein said preceding welding gun swing angle electric (7) and back welding gun swing angle electric (3) are the servomotor of band band-type brake, and outage back maintenance welding wire angle is constant; And employing precision drive mechanism, closed-loop control pivot angle angle.
5. double strings narrow chink slugging arc welding equipment according to claim 1; It is characterized in that wherein said back welding gun wire-feed motor (4) and preceding welding gun wire-feed motor (6) send the welding wire after the alignment into back welding gun (9) and preceding welding gun (12) respectively, and by afterwards welding gun swing angle electric (3) and preceding welding gun swing angle electric (7) are seen off.
6. double strings narrow chink slugging arc welding equipment according to claim 1 is characterized in that wherein saidly in the fitting surface and pilot hole of solder flux master delivery nozzle (13) and preceding welding gun (12), all is provided with insulating barrier.
7. double strings narrow chink slugging arc welding equipment according to claim 1, it is characterized in that wherein said solder flux assist delivery nozzle (5) and the back welding gun (9) fitting surface and pilot hole in, all be provided with insulating barrier.
8. double strings narrow chink slugging arc welding equipment according to claim 1 is characterized in that wherein said laser sensor (8), is installed on the laser scanning axle (14); The trunnion axis of servo cross balladeur train (21) is parallel with laser scanning axle (14), and laser scanning motor (15) drags laser sensor (8) scanning weld seam;
Weld joint tracking on the trunnion axis of servo cross balladeur train (21) and vertical axis difference executive level and the short transverse, workpiece one (16) and the part of workpiece two (17) for being soldered.
9. double strings narrow chink slugging arc welding equipment according to claim 8, it is characterized in that wherein said laser sensor (8) for high accuracy length apart from laser displacement sensor, output and the analog quantity voltage value that detects apart from be directly proportional.
10. according to the described double strings narrow chink slugging arc welding equipment of arbitrary claim in the claim 1 to 9, it is characterized in that this equipment adopts contactless THE WELD SEAM TRACKING TECHNOLOGY;
Along with the increase of throat depth, it is consistent with the distance of sidewall that welding gun keeps in the horizontal direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011201570663U CN202180285U (en) | 2011-05-17 | 2011-05-17 | Twin-wire narrow-gap submerged-arc welding device |
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|---|---|---|---|
| CN2011201570663U CN202180285U (en) | 2011-05-17 | 2011-05-17 | Twin-wire narrow-gap submerged-arc welding device |
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| CN102773596A (en) * | 2012-07-23 | 2012-11-14 | 昆山瑞凌焊接科技有限公司 | Narrow gap double-wire welding gun |
| CN104400181A (en) * | 2014-12-02 | 2015-03-11 | 哈尔滨工业大学（威海） | Double-wire underwater wet welding device and method |
| CN104428099A (en) * | 2012-08-14 | 2015-03-18 | 依赛彼公司 | Method and system for submerged arc welding |
| CN106735773A (en) * | 2016-12-21 | 2017-05-31 | 上海电气核电设备有限公司 | A kind of welding method of direct current mariages narrow gap Lincoln weld |
| CN108381070A (en) * | 2018-03-06 | 2018-08-10 | 河南中矿起重设备有限公司 | A kind of automatic soldering device |
| CN108406059A (en) * | 2018-02-09 | 2018-08-17 | 江苏科技大学 | Add the narrow clearance melting electrode arc-welding method and device of auxiliary welding wire |
| CN111590169A (en) * | 2020-06-03 | 2020-08-28 | 刘勇 | Automatic welding machine with welding seam tracking function and working method |
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- 2011-05-17 CN CN2011201570663U patent/CN202180285U/en not_active Expired - Lifetime
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| CN114749765A (en) * | 2022-04-28 | 2022-07-15 | 鞍钢股份有限公司 | Efficient and automatic welding process for rack and half-chord tube |
| CN114749765B (en) * | 2022-04-28 | 2024-02-23 | 鞍钢股份有限公司 | Efficient automatic welding process for racks and semi-chord tubes |
| CN114951921A (en) * | 2022-06-09 | 2022-08-30 | 斯图加特航空自动化（青岛）有限公司 | Double-wire narrow-gap GMAW (gas metal arc welding) welding device for thick plate of middle groove of scraper conveyor of coal machine |
| CN114951921B (en) * | 2022-06-09 | 2024-03-08 | 斯图加特航空自动化（青岛）有限公司 | Double-wire narrow-gap GMAW welding device for middle groove thick plate of scraper conveyor of coal machine |
| CN115383265A (en) * | 2022-09-01 | 2022-11-25 | 海波重型工程科技股份有限公司 | Double-wire double-buried arc welding equipment for T-shaped penetration fillet weld and using method thereof |
| CN115383265B (en) * | 2022-09-01 | 2024-02-06 | 海波重型工程科技股份有限公司 | Double-wire double-submerged arc welding equipment for T-shaped penetration fillet weld and use method thereof |
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