CN210498737U - Efficient welding wire distribution adjustable submerged-arc welding device - Google Patents
Efficient welding wire distribution adjustable submerged-arc welding device Download PDFInfo
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- CN210498737U CN210498737U CN201920619825.XU CN201920619825U CN210498737U CN 210498737 U CN210498737 U CN 210498737U CN 201920619825 U CN201920619825 U CN 201920619825U CN 210498737 U CN210498737 U CN 210498737U
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Abstract
The utility model provides a pair of high-efficient adjustable welding wire distributes submerged arc welding device, it includes a wire feeder, and a plurality of welding wires that the wire feeder received and comes from the welding wire provides the device to the electric nozzle that is used for fixing the mutual position of a plurality of welding wires to work piece direction conveying welding wire and one setting on the welder support is equipped with on the electric nozzle and disposes the hole with the corresponding welding wire of a plurality of welding wires. The utility model provides a pair of high-efficient adjustable welding wire distributes submerged arc welding device because single send a machine to convey a plurality of welding wires simultaneously, so compact structure, convenient operation. Meanwhile, welding wires of different specifications can be conveniently changed by replacing the welding gun support or the contact tip, and meanwhile, synchronous and stable welding wire conveying can be realized, and the welding quality is ensured. In addition, the contact tip is used as an independent component, the arrangement holes distributed at different positions are adopted, the mutual positions of welding wires are further adjusted, so that the welding device can be used for different workpieces required by welding, and the heat distribution of the base metal and the distribution of deposited metal are controlled, so that the welding quality is ensured.
Description
Technical Field
The utility model relates to a welding set, in particular to adjustable welding wire distributes submerged arc welding device.
Background
At present, efficient welding technologies such as multi-wire multi-power supply, double-wire multi-power supply and the like exist for submerged arc welding. The single-power-supply three-wire welding technology has the main advantages of higher deposition efficiency and capability of reducing welding heat input under the condition of equal deposition efficiency. The principle is that the filament current density is large, the three arc heat can be mutually utilized, and the thermal efficiency is higher. Due to the fact that a plurality of welding wires such as three welding wires are adopted, the possibility of realizing base metal heat distribution control and molten pool control by using different welding wire arrangements is provided. However, for single power multi-wire welding techniques, there are currently few practical applications due to foreseeable problems in welding power supplies, wire feed systems, electrical conduction mechanisms, arc interference, etc.
Chinese patent publication No. 202199909U discloses a single-power-supply three-wire submerged arc welding gun, which is composed of three sets of conducting rods, conducting tips, cable clamps, welding gun clamps, insulating sleeves, wire feeding hose joints and a welding gun supporting plate; the cable clamps of the front and the rear guns are connected in parallel to a (+) pole of a submerged arc welding power supply through cables, and the cable clamp of the middle gun is connected to a (-) pole of the submerged arc welding power supply through a cable. The welding gun can improve the productivity by 30-50%, reduce the welding line energy by 15-30% and save the energy by 15-30%.
Chinese patent publication No. 2843710Y discloses a single-power submerged arc automatic welding wire feeding system, which comprises a wire feeder, a wire feeding wheel and a contact tip, wherein the wire feeder feeds welding wires to the contact tip at a set speed from the wire feeding wheel, the wire feeder comprises at least three wires, at least three thin wires are provided, and a guiding device for arranging the welding wires is arranged between the wire feeding wheel and an arc zone. The utility model discloses the hot compress speed is big, is difficult for burning the welding plate, can weld the meticulous welding seam of shape.
Chinese patent publication No. 105562902 discloses a multipurpose single-conductive-nozzle twin-wire MIG/MAG welding gun, which includes a gun rod; the rear end of the gun rod is in threaded connection with 2 connectors, and 2 short wire feeding hoses are inserted into the openings of the connectors; the outside of the gun rod is integrally coated by an insulating rubber sleeve; the front end of the gun rod is fixedly connected with a wire converging cap, the wire converging cap is connected with a transition nut in a threaded mode, and the transition nut is connected with a double-wire welding nozzle through a locking nut; the front end of the gun rod is inserted into the large opening end of the nozzle, and the part between the front end of the gun rod and the double-wire welding nozzle is covered in the nozzle. The design is simple, the structure is compact, the performance is stable and reliable, and the single-power double wire feeding mechanism matched with the welding device can be used in MIG/MAG welding occasions requiring larger welding specification span, such as rapid forming of a welding mode, and can also be used in conventional occasions requiring larger deposition rate by using double-wire conductive nozzles matched with different apertures.
Chinese patent No. 105798439B discloses a single power supply multiple wire welding machine and its control method for alternate non-arc-quenching welding wires, the single power supply multiple wire welding machine includes a wide welding standard inverter, a conventional welding wire feeder, a thin welding wire short-distance feeder, a single-conductive nozzle double-wire or multiple-wire welding gun; the wide welding standard inversion power supply is connected with a conventional welding wire feeder and a fine welding wire short-distance wire feeder through wire feeder control cables, the conventional welding wire feeder and the fine welding wire short-distance wire feeder are respectively connected with a single-conductive-nozzle double-wire or multi-wire welding gun through a thick wire feeding pipe and a short-distance thin wire feeding pipe, the single-conductive-nozzle double-wire or multi-wire welding gun is connected with one pole of an output electrode of the wide welding standard inversion power supply through a welding cable with a shielding gas hose, and the other pole of an output electrode of the wide welding standard inversion power supply is connected with a welded base metal through a base metal connecting cable. The welding wires can be randomly changed to carry out continuous welding without arc blowout in the welding process, and welding arcs can naturally transit at the end parts of the two welding wires.
However, the technical drawbacks of the single-power three-wire or multi-wire welding machine are:
1. the stability of the wire feeding system of a plurality of welding wires is difficult to ensure, especially the synchronization and the stable wire feeding are difficult to ensure, and the welding quality is influenced. And
2. in the welding process, the voltage distribution and the conductive consistency and stability of the three welding wires cannot be ensured, thereby being beneficial to the stability of the welding process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model aims at providing a high-efficient adjustable welding wire distributes submerged arc welding device to realize stable, reliable single power multitool submerged arc welding.
In order to realize above-mentioned utility model purpose, the utility model provides a pair of high-efficient adjustable welding wire distributes submerged arc welding device, it includes:
the negative pole of the welding power supply is connected with a workpiece;
a welding wire supply device which can simultaneously supply a plurality of welding wires;
a welding gun support;
the wire feeder receives a plurality of welding wires from the welding wire supply device and conveys the welding wires to the workpiece direction;
a conductive assembly disposed on the welding gun support and connected to the positive electrode of the welding power source, the conductive assembly receiving the plurality of welding wires from the wire feeder and being electrically connected to any one of the plurality of welding wires, the plurality of welding wires leaving the conductive assembly to a position corresponding to the position of the workpiece for welding; and
and the contact tip is arranged on the welding gun support and used for connecting the contact tips with different distributions of the welding wires, and various welding wire arrangement holes corresponding to the welding wires are formed in the contact tips.
Furthermore, the wire feeder comprises a plurality of wire feeding wheels and a power device for driving the wire feeding wheels to rotate, a first wire feeding wheel assembly is arranged for each welding wire, each first wire feeding wheel assembly comprises a pair of coaxially arranged wire feeding wheels so as to form a first wire feeding groove which is convenient to contain and compress, and each wire feeding wheel rotates along a rotating shaft which is vertical to the downward direction of the welding wire and is in the horizontal direction, so that the welding wire moves downwards.
Still further, the wire feeder also comprises a second wire feeding wheel assembly which is arranged in a front-back row pair with the first wire feeding wheel assembly, the second wire feeding wheel assembly comprises a pair of wire feeding wheels which are coaxially arranged left and right, and the wire feeder comprises three forms:
the first second wire feeding wheel assembly comprises a plurality of wire feeding wheels which are coaxially arranged so as to form a second wire feeding groove which is convenient for accommodating and pressing a welding wire, the first groove corresponds to the groove opening of the second groove, and each wire feeding wheel rotates to drive the welding wire to feed.
The second wire feeding wheel assembly comprises a single wire feeding wheel with a groove, a second wire feeding groove convenient for accommodating and pressing welding wires is arranged, and the first groove corresponds to the notch of the second groove. Each wire feeding wheel rotates to drive the welding wire to feed.
The third second wire feeding wheel component comprises a single-piece non-groove wire feeding wheel, the single-piece non-groove wire feeding wheel is attached to the first wire feeding wheel component, a wire feeding groove which is convenient for accommodating and compressing a welding wire is formed jointly, and each wire feeding wheel rotates to drive the welding wire to be fed.
Still further, the wire feeding wheel is a V-shaped gear.
Any one of the first wire feeding wheel assembly and the second wire feeding wheel assembly is driven by the power device to rotate, and the other assembly is used as a driven piece and is driven by the driven assembly to rotate.
The wire feeding wheel sheets are compressed by the spring gasket in a certain axial pressing force, so that enough radial pressing force is given, and a single wire feeding wheel assembly can provide enough pressing force for a plurality of welding wires to ensure the stability of wire feeding.
The first wire feeding wheel assembly and all the wire feeding wheels of the second wire feeding wheel assembly are arranged in series on a rotating shaft and are pressed by a spring with set force to ensure the necessary wire feeding pressing force of the middle welding wire, so that the welding wire is contacted and pressed with the first wire feeding grooves or the second wire feeding grooves on two sides.
And furthermore, the welding wires pass through a plurality of redistribution guide pipes before entering the contact tip so as to ensure that the fed welding wires are adaptive to different conductive tip hole arrangements, and ensure that the contact tip rotates relative to the welding gun support so as to adjust the position distribution of the welding wire arrangement holes and further adjust the position distribution of the welding wires so as to aim at different workpieces with welding requirements.
Further, the holes on the contact tip have different types of distribution in order to adjust the mutual position of the welding wire in order to target the work pieces for different welding requirements. The utility model provides a pair of high-efficient adjustable welding wire distributes submerged arc welding device because single send a machine to convey a plurality of welding wires simultaneously, so compact structure, convenient operation. Meanwhile, welding wires of different specifications can be conveniently changed by replacing the welding gun support or the contact tip, and meanwhile, synchronous and stable welding wire conveying can be realized, and the welding quality is ensured. In addition, the contact tip is used as a single component, the mutual positions of the welding wires are adjusted by adopting the arrangement holes distributed at different positions, so that the welding quality is ensured by controlling the heat distribution of the base metal and the distribution of deposited metal according to different workpieces required by welding.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a high-efficiency adjustable welding wire distribution submerged arc welding device of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of a welding gun head of the efficient adjustable welding wire distribution submerged arc welding device of the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of a wire feeder of a high-efficiency adjustable submerged arc welding device with distributed welding wire according to the present invention.
Fig. 4 is a schematic structural diagram of another embodiment of the wire feeder of the efficient adjustable submerged arc welding device with distributed welding wire according to the present invention.
Fig. 5 is a schematic diagram of the arrangement holes of the contact tip of the efficient adjustable welding wire distribution submerged arc welding device of the present invention.
FIG. 6 is a comparison diagram of welding quality between the high-efficiency adjustable welding wire distribution submerged arc welding device and the welding device of the similar prior art.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the utility model provides a high-efficient adjustable welding wire distributes submerged arc welding set 100 includes welding power supply 6, can provide the welding wire of a plurality of welding wires simultaneously and provide device 101, welder support 102, wire feeder 2, conductive component 4 and contact tip 21. Wherein the negative pole of the welding power supply 6 is connected to the workpiece 5 by a cable 7. Torch holder 102. Torch holder 102 is a fixed frame structure for the entire torch.
The wire feeder 2 receives a plurality of welding wires 1 distributed in parallel from the wire supplying device 101 and feeds the welding wires 1 toward the workpiece 5.
Additionally, the welding power source 6 may be coupled to the wire feeder 2 via a cable 10 to power the power plant of the wire feeder 2. In addition, in the present embodiment, the control box 9 is connected to the welding power supply 6, and controls the operation of the welding power supply 6 by parameter setting.
Referring to fig. 2, the conductive member 4 is composed of a holder 16 and a positive terminal 17. The positive terminal 17 is connected to the welding power source 6 via a cable 8. The fixing frame 16 is fixedly connected with the wire feeder 2. Mount 16 may be integral with or fixed to torch holder 102.
The welding wire supply 101 feeds the wire feeder 2 through the flexible wire feed hose 11 to ensure that three welding wires enter the wire feeder 2 with a certain gentle curvature. Wire feed hose 11 is fixed to holder 12, and the lower end of holder 12 is fixed to the head of torch holder 102. After the welding wire 1 enters the wire feeding hose 11, the welding wire enters the wire feeding wheel 14 of the wire feeder 2 through the wire feeding guide pipe 13, then enters the conductive nozzle seat 19 of the submerged arc welding gun through the wire discharging guide pipe 15 and the lower fixing frame 16. Conductive tip holder 19 may be fixed to torch holder 102 or may be integrated therewith. The contact tip 21 is fixed to the contact tip holder 19 by a snap nut 20. Because the welding wire 1 passes through the three second guide tubes 18 from the lower fixing frame to the contact tip 21, the three arrangement holes 211 on the contact tip 21 do not need to correspond to the three holes at the upper end of the contact tip seat 19, and the welding wire is suitable for arrangement of the arrangement holes 21 of different types of contact tips 21. Referring to fig. 5, a triangular arrangement is shown on the left, and a straight arrangement is shown on the right, which is a typical arrangement of the arrangement holes 211 of the contact tip 21. When the snap nut 20 is turned, the contact tip 21 is turned, allowing the contact tip 21 to be twisted within 90 ° without affecting the feeding of the welding wire 1. Thus, the mutual positions of the three welding wires 1 are caused in a certain direction (the direction of a gap needing a welding machine) due to the change of the rotation position, so that the heat distribution of the base metal and the distribution of deposited metal can be further controlled according to workpieces with different welding requirements, and the welding quality is ensured.
Referring to fig. 3, the wire feeding wheel 3 comprises a combined wire feeding wheel 14 and a power device (such as an electric motor, not shown) for driving the wire feeding wheel to operate, and for each welding wire, a first wire feeding wheel assembly 31 is provided, each first wire feeding wheel assembly 31 comprises a pair of wire feeding wheels 14 arranged oppositely left and right, and the wire feeding wheels 14 are V-shaped gears so as to form a first wire feeding groove 311 for accommodating and compressing the wires. In this embodiment, the first wire feeding wheel assembly 31 abuts against the surface of the driven wheel 38, so that the first wire feeding groove 311 and the surface of the driven wheel 38 form a closed through hole (e.g., approximately triangular shape), thereby stably feeding the welding wire 1. The feed roller 14 is movably disposed on the rotary shaft 35 in series in a horizontal direction perpendicular to the downward direction of the welding wire, thereby carrying out the downward movement of the welding wire 1. In this embodiment, the adjacent wire feed rollers 14 of the 3 sets of first wire feed roller assemblies 31 are connected together using integral wire feed rollers 14, but may be separate. The first wire feeding wheel assembly 31 has a shoulder at its right end to prevent the wire feeding wheel assembly 31 from moving rightward, and a compression nut 36 is provided at the left end of the wire feeding wheel assembly 31, threadedly coupled to the rotating shaft 35, and rotatable to move leftward and rightward. A spring 34 is provided between the compression nut 36 and the leftmost wire feed wheel 14 of the first wire feed wheel assembly 31 to ensure that the three wires maintain the necessary compression on the wire feed wheel 14 when the compression nut 36 is rotated to move the compression nut 36 side-to-side relative to the axis of rotation 35.
In fact, the wire feeding wheel 14 may also adopt other gears with grooves, and the object of the present invention can be achieved as long as the first wire feeding groove 311 or the second wire feeding groove 312 can be formed between two adjacent wire feeding wheels 14.
Fig. 4 is a schematic structural diagram of another embodiment of the wire feeder 2 of the efficient adjustable wire distribution submerged arc welding apparatus of the present invention. In contrast to the embodiment of fig. 3, the driven wheel 38 is replaced by the second wire feed wheel assembly 32. Thus, the wire feeder 2 further includes a second wire feed wheel assembly 32 disposed in tandem pairs with the first wire feed wheel assembly, the second wire feed wheel assembly 32 including a pair of wire feed wheels 15 disposed in a left-right opposed relationship to form a second wire feed slot 312 for receiving wire. The wire feeding wheel 15 rotates to drive the downward movement of the welding wire 1, and the first groove 311 corresponds to the groove opening of the second groove 312 to form a closed through hole for the welding wire 1 to more stably move downward (see fig. 4).
The first and second wire feed wheel assemblies 31, 32 may be intermeshed such that either assembly is driven and rotated by the power assembly while the other assembly is driven and rotated by the driven assembly as a driven member. Of course, the rotation can also be driven by the power device at the same time.
Referring to fig. 6, for the lap weld with the plate thickness of 20mm and the plate thickness of 8mm, the left side shows the existing single thick wire welding effect, the weld forming is poor, and undercuts exist. And the right is the utility model provides a pair of high-efficient adjustable welding wire distributes submerged arc welding device's actual welding picture, single power three-wire welding effect, the welding seam shaping is good, does not have the undercut, this explains, the utility model discloses a high-efficient adjustable welding wire distributes submerged arc welding device welding quality is good the utility model has the characteristics of outstanding substantive material and the technological progress that is showing.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.
Claims (8)
1. An efficient welding wire distribution adjustable submerged arc welding device is characterized by comprising:
the negative pole of the welding power supply is connected with a workpiece;
a welding wire supply device which can simultaneously supply a plurality of welding wires;
a welding gun support;
the wire feeder receives a plurality of welding wires from the welding wire supply device and conveys the welding wires to the workpiece direction;
a conductive assembly disposed on the welding gun support and connected to the positive electrode of the welding power source, the conductive assembly receiving the plurality of welding wires from the wire feeder and being electrically connected to any one of the plurality of welding wires, the plurality of welding wires leaving the conductive assembly to a position corresponding to the position of the workpiece for welding; and
and the contact tip is arranged on the welding gun support and used for connecting the mutual positions of the welding wires, and welding wire arrangement holes corresponding to the welding wires are formed in the contact tip.
2. An efficient adjustable wire distributive submerged arc welding apparatus as set forth in claim 1 wherein said single wire feeder feeds multiple wires to ensure wire feeder stability.
3. The efficient adjustable wire-laying submerged arc welding apparatus of claim 1, wherein different laying and adjustment of a plurality of welding wires can be achieved, ensuring wide applicability of welding function.
4. An efficient and adjustable submerged arc welding apparatus with wire spreading as defined in claim 2, wherein said wire feeder comprises a combination of wire feeding rollers and power means for driving said wire feeding rollers, wherein a first wire feeding roller assembly is provided for feeding the wire, each of said first wire feeding roller assemblies comprises a plurality of coaxially arranged wire feeding rollers for forming a first wire feeding groove for receiving and pressing the wire, and each of said wire feeding rollers is rotated along a horizontal rotation axis perpendicular to a downward direction of the wire to drive said wire to move downward.
5. The efficient adjustable wire dispensing submerged arc welding apparatus of claim 4, wherein said wire feeder further comprises a second wire feed wheel assembly disposed in close proximity to said first wire feed wheel assembly, comprising three forms:
the first second wire feeding wheel assembly comprises a plurality of wire feeding wheels which are coaxially arranged so as to form a second wire feeding groove which is convenient for accommodating and pressing welding wires, the first wire feeding groove corresponds to the notch of the second wire feeding groove, and each wire feeding wheel rotates to drive the welding wires to feed;
the second wire feeding wheel assembly comprises a single wire feeding wheel with a groove, a second wire feeding groove convenient for accommodating and pressing welding wires is formed in the wire feeding wheel, and the first wire feeding groove corresponds to the groove opening of the second wire feeding groove; each wire feeding wheel rotates to drive the welding wire to feed;
the third second wire feeding wheel component comprises a single-piece non-groove wire feeding wheel, the single-piece non-groove wire feeding wheel is attached to the first wire feeding wheel component, a wire feeding groove which is convenient for accommodating and compressing a welding wire is formed jointly, and each wire feeding wheel rotates to drive the welding wire to be fed.
6. The efficient adjustable wire stick submerged arc welding apparatus of claim 5, wherein the first wire feed wheel assembly and the first second wire feed wheel assembly are arranged such that each set of wire feed wheel segments are respectively disposed on two parallel shafts, and the wire feed wheel segments are compressed by a spring washer to provide a certain axial compression force, thereby providing a sufficient radial compression force to ensure that a single set of wire feed wheel assemblies can provide a sufficient compression force to a plurality of wires to ensure stable wire feeding.
7. An efficient and adjustable wire distribution submerged arc welding apparatus as claimed in claim 3, wherein the welding wire is passed through a plurality of redistribution guide tubes before entering the contact tip to ensure that the fed plurality of welding wires are adapted to different contact tip hole arrangements and that the contact tip is rotated relative to the gun support to adjust the mutual positions of the welding wires to work pieces for different welding requirements.
8. An efficient adjustable wire dispensing submerged arc welding apparatus as claimed in claim 3, wherein said plurality of holes in said contact tip have different types of dispensing for adjusting the mutual position of said welding wire for different workpieces for welding requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619825.XU CN210498737U (en) | 2019-04-30 | 2019-04-30 | Efficient welding wire distribution adjustable submerged-arc welding device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920619825.XU CN210498737U (en) | 2019-04-30 | 2019-04-30 | Efficient welding wire distribution adjustable submerged-arc welding device |
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| CN210498737U true CN210498737U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216358A (en) * | 2019-04-30 | 2019-09-10 | 林肯电气管理(上海)有限公司 | A kind of efficient adjusting welding wire distribution submerged arc welding apparatus |
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2019
- 2019-04-30 CN CN201920619825.XU patent/CN210498737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216358A (en) * | 2019-04-30 | 2019-09-10 | 林肯电气管理(上海)有限公司 | A kind of efficient adjusting welding wire distribution submerged arc welding apparatus |
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