CN108971713A - A kind of cable formula welding wire narrow clearance welding gun - Google Patents
A kind of cable formula welding wire narrow clearance welding gun Download PDFInfo
- Publication number
- CN108971713A CN108971713A CN201811057434.XA CN201811057434A CN108971713A CN 108971713 A CN108971713 A CN 108971713A CN 201811057434 A CN201811057434 A CN 201811057434A CN 108971713 A CN108971713 A CN 108971713A
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- CN
- China
- Prior art keywords
- electrode body
- ignition tip
- welding
- wire
- welding wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/26—Accessories for electrodes, e.g. ignition tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a kind of cable formula welding wire narrow clearance welding guns, comprising: cable formula welding wire, electrode body, protective gas channel, wire feed pipe fitting, electrode body protective case, retaining hood bracket, insulating layer, ignition tip compress pin, fixing bolt, ignition tip and retaining hood；The narrow gap welding of slab workpiece can be welded; under the extruding that ignition tip compresses pin, ignition tip and electrode body realize face contact tight fit, and electrode body protective case plays the role of protecting electrode body and insulating; ignition tip is connected using inverted ladder type end with electrode body, compact-sized；Cross crotch is provided in the lower end of ignition tip; and it is smaller compared with gage of wire in the lower end center opening diameter of ignition tip; under the action of welding wire is in wire-feed motor by when have biggish chucking power; to reduce the contact resistance of ignition tip and welding wire; ignition tip compresses pin and plays to ignition tip pressuring action; retaining hood, which plays, leads to protective gas above molten bath, plays molten bath and shields, insulating layer is made of insulating material.
Description
Technical field
The invention belongs to field of welding devices, more specifically belong to cable formula welding wire and common gases protection welding wire narrow gap
Field of welding devices.
Background technique
Gas protecting welding gun is as shown in Figure 1, mainly include ignition tip 1, circular protection walls 2, gun barrel 3.Protective gas from
Gun barrel gas port 5 flows out, and is distributed in by welding wire 4 and ignition tip, cuts off welding wire with air, make electric arc in protective gas or weld
It burns in agent.About 20 millimeters of the diameter of circular protection walls.
When welding slab, fusion is welded completely in plate thickness direction in order to reach, and protects welding gun, welding using general gas flow
Thick workpiece is intended to out " groove ".By taking most common 90 degree of V-butts and weld seam as an example (as shown in Figure 2), the sectional area of weld seam
Greatly, filling metal amount is more, and to use multiple tracks, and multi-layer welding can just make weld seam fill up groove.
And the workpiece of identical plate thickness, " I " type groove is such as opened, when groove gap is 10 millimeters, section of weld joint product is only V
The 1/10 of type groove, filling metal amount is few, and " I " type groove greatly reduces work.Shown in Fig. 3 is narrow gap welding.
One of maximum difficulty of narrow gap welding is exactly welding gun.About 20 millimeters of air nozzle diameter of weldering of common gases protection, and narrow
About 10 millimeters of the groove distance of gap weldering, air nozzle diameter is than groove apart from much bigger.Thickness of workpiece is exactly groove depth, welding gun simultaneously
It is deep into very narrow gap and is welded.
Current welding rifle can only carry out the welding of common plate, and for the welding rifle of narrow plate at present on the market without
Method protrudes into, and leads to not weld, so needing to design, manufactures the special welding gun of suitable narrow gap welding to make up this deficiency.
Summary of the invention
The object of the invention is that solve the above-mentioned problems, and a kind of cable formula welding wire narrow clearance welding gun is provided, it solves
Current welding rifle can only carry out the welding of common plate, and for slab narrow gap welding, at present welding rifle on the market
The problem of can not protruding into, leading to not welding.
A kind of cable formula welding wire narrow clearance welding gun, comprising: cable formula welding wire, innovative point are: further including electrode body, protection gas
Body channel, wire feed pipe fitting, electrode body protective case, retaining hood bracket, insulating layer, ignition tip compress pin, fixing bolt, conduction
Mouth, retaining hood, welding wire wear-resistant sleeve, welding torch cable wiring hole and the equal pressing plate of protective gas；It is fixed on the top of the electrode body to connect
It is connected to a wire feed pipe fitting；Electrode body lower end outer surface is coated with a retaining hood bracket；The electrode body and gear gas
An insulating layer is filled between cover stent；The electrode body protective case cladding is connected to the appearance of electrode body and retaining hood bracket
On face；The ignition tip compresses the lower end that pin is fixedly connected on electrode body by ignition tip；The fixing bolt is two, institute
State the lower end two sides that fixing bolt is fixedly connected on electrode body protective case Yu retaining hood bracket；It is equipped in the electrode body two sides
Protective gas channel, the protective gas channel are mutually perpendicular to horizontal plane；The cable formula welding wire is slidably connected at wire-feeding pipe and connects
In the center of head, electrode body and ignition tip.The welding torch cable wiring hole is for the welding cable line bolt with welding machine
Connection.The welding torch cable wiring hole is used to be connected with the welding cable line of welding machine.The equal pressing plate of protective gas is
Rectangular small with multiple apertures is stuck on retaining hood bracket, is played and is subtracted to the protective gas flowed out from electrode body stomata
Pressure and equally distributed effect.
Preferably, the retaining hood may be designed as monoblock type square type, it is mainly used for shallow narrow gap welding；Separate type piece
Type is mainly used for deep narrow gap welding.
Preferably, the insulating layer is temperature-resistant insulation layer, such as epoxy material, mica material.
Preferably, the ignition tip and electrode body lower ending opening are in inverted ladder shape, pin effect is compressed in ignition tip
Under, ignition tip side can be in close face contact with electrode body, can reduce contact resistance, improve conductive capability.
Preferably, the lower end of the ignition tip is provided with cross crotch or word seam, and ignition tip center opening diameter is smaller
In gage of wire, when welding wire passes through ignition tip, lower end has certain clamping force to welding wire, improves electric conductivity.
Beneficial effects of the present invention: the present invention have it is structurally reasonable it is simple, production cost is low, easy for installation, can be to narrow
The workpiece in gap is welded, and under the extruding that ignition tip compresses pin, ignition tip and electrode body realize face contact tight fit, electricity
Polar body protective case plays the role of protecting electrode body and insulating, and ignition tip is connected using inverted ladder type end with electrode body, structure
It is compact；It is provided with cross crotch in the lower end of ignition tip, and smaller compared with gage of wire in the lower end center opening diameter of ignition tip, welded
Silk under the action of wire-feed motor by when have biggish chucking power, to reduce the contact resistance of ignition tip and welding wire, ignition tip pressure
Tight pin is played to ignition tip pressuring action, and retaining hood, which plays, leads to protective gas above molten bath, is played molten bath and is shielded,
Insulating layer is made of insulating material, and is played the role of being electrically insulated between retaining hood and electrode body.
Detailed description of the invention
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is common gases protection weldering welding gun structure schematic diagram.
Fig. 2 is slab butt welding " V " type groove schematic diagram.
Fig. 3 is slab butt welding " I " type Narrow sloping-glot schematic diagram.
Fig. 4 is structural schematic diagram of the invention.
Fig. 5 is the structural schematic diagram of electrode body protective case of the present invention.
Fig. 6 is the structural schematic diagram of retaining hood bracket of the present invention.
Fig. 7 is the structural schematic diagram of insulating layer of the present invention.
Fig. 8 is the structural schematic diagram of use state of the present invention.
1- ignition tip；2- circular protection walls；3- gun barrel；4- welding wire；5- gun barrel gas port；6- cable formula welding wire；7- electrode body；
8- protective gas channel；9- wire feed pipe fitting；10- electrode body protective case；11- retaining hood bracket；12- insulating layer；13- ignition tip
Compress pin；14- fixing bolt；15- ignition tip；16- retaining hood；17- welding wire wear-resistant sleeve, 18- welding torch cable wiring hole, 19-
The equal pressing plate of protective gas；20- workpiece.
Specific embodiment
As shown in Fig. 4 to Fig. 8, present embodiment uses a kind of following technical scheme: cable formula welding wire narrow clearance welding gun,
Include: cable formula welding wire 6, further includes electrode body 7, protective gas channel 8, wire feed pipe fitting 9, electrode body protective case 10, retaining hood
Bracket 11, insulating layer 12, ignition tip compress pin 13, fixing bolt 14, ignition tip 15, retaining hood 16, welding wire wear-resistant sleeve 17, weldering
Rifle cable connection hole 18 and the equal pressing plate 19 of protective gas；A wire feed pipe fitting is fixedly connected on the top of the electrode body 7
9；The 7 lower end outer surface of electrode body is coated with a retaining hood bracket 11；It is filled out between the electrode body 7 and retaining hood bracket 11
Filled with an insulating layer 12；The cladding of electrode body protective case 10 is connected on the outer surface of electrode body 7 and retaining hood bracket 11；
The ignition tip 15 compresses the lower end that pin 13 is fixedly connected on electrode body 7 by ignition tip；The fixing bolt 14 is two,
The fixing bolt 14 is fixedly connected on the lower end two sides of electrode body protective case 10 Yu retaining hood bracket 11；7 liang of the electrode body
Protective gas channel 8 is equipped in side, the protective gas channel 8 is mutually perpendicular to horizontal plane；The sliding of cable formula welding wire 6 connects
It connects in the center of wire feed pipe fitting 9, electrode body 7 and ignition tip 15.The welding torch cable wiring hole 18 is used for and welding machine
Welding cable line be connected with.The welding torch cable wiring hole 18 is used to be connected with the welding cable line of welding machine.
The equal pressing plate 19 of protective gas is the rectangular small with multiple apertures, is stuck on retaining hood bracket 11, to from electrode body gas
The protective gas flowed out in hole 8 play the role of decompression with it is equally distributed.
Wherein, the insulating layer 12 is high temperature resistant material insulating layer；The ignition tip 15 is in inverted ladder shape；The ignition tip
15 lower end is provided with cross crotch or word seam.
As shown in figure 8, use state of the invention are as follows: the present invention have it is structurally reasonable it is simple, production cost is low, installation side
Just, 20 narrow gap weld seam of slab workpiece can be welded, under the extruding that ignition tip compresses pin 13, ignition tip 15 and electricity
Polar body 7 realizes face contact tight fit, and electrode body protective case 10 plays the role of protecting electrode body 7 and insulating, and ignition tip 15 is adopted
It is connected with inverted ladder type end with electrode body 7, it is compact-sized；It is provided with cross crotch in the lower end of ignition tip 15, and in ignition tip 15
Lower end center opening diameter is smaller compared with gage of wire, under the action of welding wire is in wire-feed motor by when have biggish chucking power, with
Reduce the contact resistance of ignition tip 15 and welding wire, ignition tip compresses pin 13 and plays to 15 pressuring action of ignition tip, retaining hood 16
It plays and leads to protective gas above molten bath, play molten bath and shield, insulating layer 7 is made of insulating material, and gas will be kept off by playing
The effect of being electrically insulated between cover 16 and electrode body 7.
In the description of invention, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description invention and simplifies description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to hair
Bright limitation.
In invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, concrete meaning of the above-mentioned term in invention can be understood as the case may be.
The advantages of basic principles and main features and invention of invention have been shown and described above, the technical staff of the industry
It should be appreciated that invention is not restricted to the described embodiments, the above embodiments and description only describe the originals of invention
Reason, under the premise of not departing from spirit and range, invention be will also have various changes and improvements, these changes and improvements are all fallen
Enter within the scope of claimed invention, invents claimed range and be defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of cable formula welding wire narrow clearance welding gun, comprising: cable formula welding wire (6), it is characterised in that: further include electrode body (7), protection
Gas passage (8), wire feed pipe fitting (9), electrode body protective case (10), retaining hood bracket (11), insulating layer (12), ignition tip pressure
Tight pin (13), fixing bolt (14), ignition tip (15), retaining hood (16), welding wire wear-resistant sleeve (17), welding torch cable wiring hole
(18) and the equal pressing plate of protective gas (19)；
A wire feed pipe fitting (9) is fixedly connected on the top of the electrode body (7)；
Electrode body (7) the lower end outer surface is coated with a retaining hood bracket (11)；
An insulating layer (12) is filled between the electrode body (7) and retaining hood bracket (11)；
Electrode body protective case (10) cladding is connected on the outer surface of electrode body (7) and retaining hood bracket (11)；
The ignition tip (15) compresses the lower end that pin (13) are fixedly connected on electrode body (7) by ignition tip；
The fixing bolt (14) is two, and the fixing bolt (14) is fixedly connected on electrode body protective case (10) and retaining hood
The lower end two sides of bracket (11)；
It is equipped with protective gas channel (8) in electrode body (7) two sides, the protective gas channel (8) and horizontal plane are mutual
Vertically；
The cable formula welding wire (6) is slidably connected in the center of wire feed pipe fitting (9), electrode body (7) and ignition tip (15)；
The welding torch cable wiring hole (18) is positioned at electrode body (7) top two sides；
The welding torch cable wiring hole (18) is used to be connected with the welding cable line of welding machine；
The equal pressing plate of protective gas (19) is the rectangular small with multiple apertures, and the equal pressing plate of protective gas (19) is stuck in
On retaining hood bracket (11).
2. a kind of cable formula welding wire narrow clearance welding gun according to claim 1, it is characterised in that: the insulating layer (12) is resistance to
High temperature material insulating layer.
3. a kind of cable formula welding wire narrow clearance welding gun according to claim 1, it is characterised in that: the ignition tip (15) is in
Trapezoidal shape.
4. a kind of cable formula welding wire narrow clearance welding gun according to claim 1, it is characterised in that: under the ignition tip (15)
End is provided with cross crotch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057434.XA CN108971713A (en) | 2018-09-11 | 2018-09-11 | A kind of cable formula welding wire narrow clearance welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811057434.XA CN108971713A (en) | 2018-09-11 | 2018-09-11 | A kind of cable formula welding wire narrow clearance welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108971713A true CN108971713A (en) | 2018-12-11 |
Family
ID=64545631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811057434.XA Pending CN108971713A (en) | 2018-09-11 | 2018-09-11 | A kind of cable formula welding wire narrow clearance welding gun |
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| Country | Link |
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| CN (1) | CN108971713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909591A (en) * | 2019-02-27 | 2019-06-21 | 苏州引力焊业科技有限公司 | Cable formula welding wire narrow gap welding method, a kind of protective gas nozzle, a kind of welding gun |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001179456A (en) * | 1999-12-21 | 2001-07-03 | Ishikawajima Harima Heavy Ind Co Ltd | Gas shielded arc welding torch for narrow gap welding |
| CN202155634U (en) * | 2011-06-10 | 2012-03-07 | 中国石油天然气集团公司 | Welding gun for automatic welding of narrow gap consumable electrode |
| CN202461781U (en) * | 2012-02-20 | 2012-10-03 | 浙江摩多巴克斯汽配有限公司 | Welded contact tip |
| CN104096956A (en) * | 2014-07-23 | 2014-10-15 | 武汉纳瑞格智能设备有限公司 | Gas distributing device for narrow-gap/ultra-narrow gap welding gun |
| CN104384683A (en) * | 2014-09-22 | 2015-03-04 | 武汉纳瑞格智能设备有限公司 | Automatic multifunctional narrow-clearance/super-narrow-clearance gas protection welding gun and manufacturing method thereof |
| CN105689849A (en) * | 2016-03-28 | 2016-06-22 | 武汉纳瑞格智能设备有限公司 | Gas distributing device for rear-mounted narrow gas/ultra-narrow gap gas shield welding gun |
| CN107335902A (en) * | 2017-06-20 | 2017-11-10 | 西北工业大学 | Weldering device for oil kelly bar narrow gap automatic welding |
| CN208840681U (en) * | 2018-09-11 | 2019-05-10 | 南通航运职业技术学院 | A kind of cable formula welding wire narrow clearance welding gun |
-
2018
- 2018-09-11 CN CN201811057434.XA patent/CN108971713A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001179456A (en) * | 1999-12-21 | 2001-07-03 | Ishikawajima Harima Heavy Ind Co Ltd | Gas shielded arc welding torch for narrow gap welding |
| CN202155634U (en) * | 2011-06-10 | 2012-03-07 | 中国石油天然气集团公司 | Welding gun for automatic welding of narrow gap consumable electrode |
| CN202461781U (en) * | 2012-02-20 | 2012-10-03 | 浙江摩多巴克斯汽配有限公司 | Welded contact tip |
| CN104096956A (en) * | 2014-07-23 | 2014-10-15 | 武汉纳瑞格智能设备有限公司 | Gas distributing device for narrow-gap/ultra-narrow gap welding gun |
| CN104384683A (en) * | 2014-09-22 | 2015-03-04 | 武汉纳瑞格智能设备有限公司 | Automatic multifunctional narrow-clearance/super-narrow-clearance gas protection welding gun and manufacturing method thereof |
| CN105689849A (en) * | 2016-03-28 | 2016-06-22 | 武汉纳瑞格智能设备有限公司 | Gas distributing device for rear-mounted narrow gas/ultra-narrow gap gas shield welding gun |
| CN107335902A (en) * | 2017-06-20 | 2017-11-10 | 西北工业大学 | Weldering device for oil kelly bar narrow gap automatic welding |
| CN208840681U (en) * | 2018-09-11 | 2019-05-10 | 南通航运职业技术学院 | A kind of cable formula welding wire narrow clearance welding gun |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909591A (en) * | 2019-02-27 | 2019-06-21 | 苏州引力焊业科技有限公司 | Cable formula welding wire narrow gap welding method, a kind of protective gas nozzle, a kind of welding gun |
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