CN107775158A - A kind of welding gun - Google Patents
A kind of welding gun Download PDFInfo
- Publication number
- CN107775158A CN107775158A CN201610728885.6A CN201610728885A CN107775158A CN 107775158 A CN107775158 A CN 107775158A CN 201610728885 A CN201610728885 A CN 201610728885A CN 107775158 A CN107775158 A CN 107775158A
- Authority
- CN
- China
- Prior art keywords
- pipette tips
- ignition tip
- welding gun
- welding
- mandrel
- Prior art date
- 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.)
- Pending
Links
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
- B23K9/287—Supporting devices for electrode holders
-
- 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
Abstract
This application discloses a kind of welding gun,Including pipette tips and cable,The pipette tips include pipette tips body (11),Ignition tip seat (12),Ignition tip (13) and nozzle (14),The pipette tips body (11) is internally provided with one or more air flues (11A),The ignition tip seat (12) is provided with one or more stomatas (12A),The ignition tip (13) is internally provided with circular arc channel of welding wire (13A),The nozzle (14) engages with the pipette tips body (11),The ignition tip seat (12) engages the intracavitary for causing to enter the nozzle (14) by the stomata (12A) from the gas that the air flue (11A) comes out with the pipette tips body (11),The ignition tip (13) and ignition tip seat (12) clamping,The nozzle (14) surrounds the ignition tip (13) and the ignition tip seat (12).The welding gun of the present invention can be suitably used for the automatic welding of the long base outside fillet (weld) of intensive long base and top tape elbow.
Description
Technical field
The application is related to welding field, more particularly to a kind of welding gun.
Background technology
Being welded on for small base outside fillet (weld) has high generality in actual production, such as boiler, pressure vessel, oil
The industries such as work, shipbuilding, and other industrial circles.
For the less intensive small base workpiece of pitch and length be longer or the long base of top tape elbow, such as boiler
The welding of long base in header, it is always a problem to realize small base automatic welding.With boiler product parameter not
Disconnected lifting, boiler header is also improved constantly with material grade, for high parameter boiler, 12Cr1MoVG and above material into
For the main material selection of header product.This kind of wlding applied at present is mainly diameter 1.2mm flux-cored wire, due to flux-cored wire
Poor rigidity, so wire-feeder resistance is big, welding stability is poor；Meanwhile header product is most of based on long tube holder structure, welding
Operating space is small, and accessibility is poor.Quality of parent material grade and welding structure complexity add welding difficulty, the guarantor of welding quality
Card proposes higher requirement.At present, small Nozzle weld uses manual welding, welding job amount in domestic boiler industry
Greatly, labor intensity is big, and welding quality is had a great influence by human factor, and quality is not easy to ensure, production efficiency is relatively low.
Realize small base outside fillet (weld) automatic welding, the design requirement of Butt welding gun is very high.Not yet finding at present can be real
The welding gun of the long base outside fillet (weld) automatic welding of existing intensive long base and top tape elbow.The existing 30-45 ° of goose of in the market
Neck welding gun can not be realized that intensive tubule seat is located at operator's back of the body by the constraint that own vol is larger and welding zone position is narrow
The welding operation in face region.Even the welding of the long base product of the larger non-dense set type of pitch, need to preheat due to most of
100-200 DEG C of high temperature, and operator needs very close workpiece that gooseneck gas shielded welding gun can be made to reach the small base back side
Welding region, operation difficulty is still very big, and therefore, the welding of current such product is substantially welded using Manual electric welding bar.Together
The industry market of type products has been very urgent for the demand of automatic welding.
The content of the invention
An object of the application is to provide a kind of welding gun, and it can be suitably used for the long tube of intensive long base and top tape elbow
The automatic welding of seat outside fillet (weld), to increase substantially automaticity, production efficiency and product manufacturing quality.
An object of the application realized by a kind of welding gun, and the welding gun includes pipette tips and cable, the pipette tips include pipette tips body,
Ignition tip seat, ignition tip and nozzle, the pipette tips body interior are provided with one or more air flues, and the ignition tip seat is provided with
One or more stomatas, the ignition tip are internally provided with circular arc channel of welding wire, the nozzle and the pipette tips body engagement,
The ignition tip seat to enter the spray by the stomata from the gas that the air flue comes out with the pipette tips body engagement
The intracavitary of mouth, the ignition tip and the ignition tip seat clamping, the nozzle surround the ignition tip and the ignition tip seat.
According to the one side of the application welding gun, the ignition tip is made up of two half parts, the symmetric position of each half part
Semicircular arc channel of welding wire groove is provided with, the semicircular arc channel of welding wire groove of two half parts is formed when two half parts overlap
The circular arc channel of welding wire.
According to the one side of the application welding gun, the cable includes wire leading pipe, sleeve pipe, cable and cable jacket, the set
Pipe surrounds the wire leading pipe, and the cable jacket surrounds described sleeve pipe, and the cable is arranged on outside described sleeve pipe and the cable
Between set, there is space between the wire leading pipe and described sleeve pipe, be additionally provided with out between described sleeve pipe and the cable jacket
Water pipe.
According to the one side of the application welding gun, the wire leading pipe includes the bourdon tube and engineering plastics pipe being connected to each other.
According to the one side of the application welding gun, the cable is connected by swing component with the pipette tips, the swing component bag
Include and swing mandrel and swing mandrel overcoat, the swing mandrel is rotatably inserted into the swing mandrel overcoat, the pendulum
The perforate of the endoporus of moving mandrel and the swing mandrel overcoat forms the passage passed through for wire leading pipe, the swing mandrel overcoat
With the pipette tips body engagement, the cable jacket is enclosed on the protuberance of the swing mandrel.
According to the another aspect of the application welding gun, the fixation with through hole is additionally provided with the endoporus for swinging mandrel
Silk seat, the end sleeve of described sleeve pipe is on the fixed silk seat.
According to the one side of the application welding gun, the pipette tips body is provided with external splines, and the swing mandrel overcoat is set
There is spline, the external splines coordinates with the spline.
According to the one side of the application welding gun, adjustment support is provided with the pipette tips body, the adjustment support is Y types
Structure, the upper end open of the y-type structure are connected and fixed with the pipette tips body, the end of the lower end straight section of the y-type structure
End is provided with groove.
The welding gun of the present invention can be used for small base outside fillet (weld) automatic welding, and it can carry out small R windings so that in small space
Filament arc welding can be realized during rotating welding operating mode, as GMAW/FCAW/SAW is welded, overcomes the limitation of prior art,
Its main beneficial effect and advantage are as follows：
1) common straight hole ignition tip is substituted using the circular hole ignition tip of particular design so that welding wire produces after winding
Natural torsion be always maintained at being delivered to contact workpiece, so as to avoid the alignment resistance of straight hole ignition tip；
2) ignition tip seat and nozzle are both designed as oblong shape, enabled to overcome wire bending and weld zone narrow space
Limitation, ensure protective gas scope can cover dry extension of electrode degree it is larger when arc position change；
3) because gage of wire is smaller, poor rigidity, especially flux-cored wire are rigidly worse, fed distance is limited.In general
Welding gun be used for flux-cored arc welding welding (FCAW) when, welding gun if winding one circle if at all can not wire feed because due to
The resistance of wire feed is too big after winding, and the bending of back segment welding wire unstability even fractures.The present invention welding gun even in cable winds >=
At 400 °, the stable conveying of welding wire (being included in cable) can be still realized；
4) it is applied to external diameter 1.2mm medicine cores and solid core welding wire；
5) welding gun pipette tips position-adjustable, to adapt to different welding positions.
Brief description of the drawings
The present invention will more completely be illustrated below with reference to accompanying drawing and with reference to preferred embodiment.
Fig. 1 is the sectional view and top view according to the welding gun of one embodiment of the invention.
Fig. 2A and Fig. 2 B are respectively the front view and sectional view of the pipette tips body of welding gun shown in Fig. 1.
Fig. 3 A and Fig. 3 B are respectively the sectional view and top view of the nozzle of welding gun shown in Fig. 1.
Fig. 4 A and Fig. 4 B are respectively the sectional view and front view of the ignition tip of welding gun shown in Fig. 1.
Fig. 5 A and Fig. 5 B are respectively the sectional view and top view of the ignition tip seat of welding gun shown in Fig. 1.
Fig. 6 A and Fig. 6 B are respectively the front view and sectional view of the swing mandrel of welding gun shown in Fig. 1.
Fig. 7 A and Fig. 7 B are respectively the sectional view and left view of the swing mandrel overcoat of welding gun shown in Fig. 1.
Fig. 8 A and Fig. 8 B are respectively the pipette tips body of welding gun shown in Fig. 1 and swing the schematic cross-sectional that mandrel overcoat coordinates
Figure.
For clarity, these accompanying drawings are figure that is schematic and simplifying, and they are only gived for understanding institute of the present invention
Necessary details, and omit other details.
Embodiment
By detailed description given below, the scope of application of the invention will be evident.It will be appreciated, however, that detailed
While thin description and specific example show the preferred embodiment of the present invention, they are provided only for illustration purpose.
Fig. 1 shows the schematic diagram of welding gun according to an embodiment of the invention.The welding gun includes pipette tips and cable, and pipette tips are led to
Swing component is crossed to be connected with cable.Pipette tips include pipette tips body 11, ignition tip seat 12, ignition tip 13 and nozzle 14.Pipette tips body 11
One or more air flue 11A are internally provided with, as shown in Figure 2A and 2B.Ignition tip seat 12 is oblong shape and is provided with multiple
Stomata 12A, as shown in Figure 5A and 5B.Ignition tip 13 is internally provided with circular arc channel of welding wire 13A.Circular arc channel of welding wire
The radius of circular arc can be adjusted according to actual conditions.In one embodiment, ignition tip 13 is made up of two half parts, each half
Partial symmetric position is provided with semicircular arc channel of welding wire groove, and the semicircular arc channel of welding wire groove of two half parts is in two half parts
Circular arc channel of welding wire 13A is formed during overlapping, as shown in Figure 4A and 4B.Nozzle 14 is oval hollow shape, such as Fig. 3 A and 3B
Shown in.Nozzle 14 engages with pipette tips body 11, and ignition tip seat 12 engages the gas for causing to come out from air flue 11A with pipette tips body 11
Body enters the intracavitary of nozzle 14, ignition tip 13 and the clamping of ignition tip seat 12 by stomata 12A, and nozzle 14 surrounds ignition tip 13 and led
Sparking plug seat 12.Ignition tip 13 is also integrally formed.
In one embodiment, cable includes wire leading pipe 21, sleeve pipe 22, cable 23 and cable jacket 24, and sleeve pipe 22 is surrounded and led
Fiber tube 21, cable jacket 24 surround sleeve pipe 22, and cable 23 is arranged between sleeve pipe 22 and cable jacket 24, wire leading pipe 21 and sleeve pipe
There is space between 22, outlet pipe 25 is additionally provided between sleeve pipe 22 and cable jacket 24.Wire leading pipe 21 can be bourdon tube,
It can be made up of the bourdon tube 21A and engineering plastics pipe 21B being connected to each other.
In one embodiment, swing component includes swinging mandrel 31 and swings mandrel overcoat 32.Fig. 6 A-7B respectively illustrate pendulum
Moving mandrel 31 and the illustrative examples for swinging mandrel overcoat 32.Swing mandrel 31 and be rotatably inserted into swing mandrel overcoat 32
It is interior to realize three conductive, swing, air seal functions, swing perforate 32As of the endoporus 31A of mandrel 31 with swinging mandrel overcoat 32
Form the passage passed through for wire leading pipe 21.Swing mandrel overcoat 32 and be provided with spline 32B, pipette tips body 11 is provided with outer flower
Key 11B, as shown in figs. 8 a and 8b.External splines 11B and spline 32B, which coordinates, make it that swing mandrel overcoat 32 connects with pipette tips body 11
Close, so that pipette tips are connected in a manner of inserting soon with swing component, convenient disassembly and realization conduction and contact surface hermetic seal, pass through
Adjustment swings the swing angle of mandrel overcoat 32, and the regulation that welding wire points to position can be achieved.
When above-mentioned cable is connected with swinging mandrel, cable jacket 24 is tightly enclosed on the protuberance for swinging mandrel 31, electricity
Cable 23 is welded on the protuberance for swinging mandrel 31.Swing in the endoporus of mandrel 31 and be provided with the fixation silk seat with through hole
31B, the end sleeve of sleeve pipe 22 is on fixed silk seat 31B so that the space between cable jacket 24 and sleeve pipe 22 is with swinging mandrel
Water-stop is formed between 31, water can not enter swing mandrel overcoat 32 and pipette tips by swinging mandrel 31.
In one embodiment, adjustment support 15 is provided with pipette tips body 11, the adjustment support 15 is y-type structure, its Y type
Upper end open is connected and fixed with pipette tips body 11, and the end of Y types lower end straight section is concordant with nozzle 14, the end of Y types lower end straight section
End is additionally provided with rectangle groove, for the angle position using specific purpose tool adjustment pipette tips body 11.
When in use, water is full of between cable jacket 24 and sleeve pipe 22, water cooling is carried out to cable 23, recirculated water passes through water outlet
Pipe 25 flows out from cable.The embodiment of the present invention uses water-cooling pattern, can also use other cooling sides in other embodiments
Formula.The conveying protection gas between sleeve pipe 22 and wire leading pipe 21, protection gas is by fixing silk seat 31B through hole, swinging outside mandrel
The perforate of set 32 is entered in the air flue 11A of pipette tips body 11.Wire leading pipe 21 is from fixed silk seat 31B, swing mandrel 31 and swings
Mandrel overcoat 32 is passed through at pipette tips.Welding wire is passed into (such as straight hole) welding wire on pipette tips body 11 from wire leading pipe 21
Passage is bent downwardly 90 ° of conveyings subsequently into the circular arc channel of welding wire 13A in ignition tip 13 through circular arc channel of welding wire 13A
To welding region, welded.
Material, intensity and the diameter of bore of wire leading pipe 21 can be selected as needed.In embodiment, using leading portion copper
Matter bourdon tube 21A and back segment engineering plastics pipe 21B combining form, the internal diameter of engineering plastics pipe are bigger 0.2- than welding wire external diameter
0.3mm scope, to reduce bending of the welding wire in seal wire pipe orifice, so as to increase the rigidity for overcoming transporting resistance.Engineering plastic
Expects pipe 21B external diameter is more than or equal to 5mm, and its tensile strength is more than the unstability intensity of flux-cored wire, ensures welding wire conveying strength foot
Reach big and plastic tube will not be stretched.
Unless explicitly stated otherwise, singulative as used herein " one ", "the", which include plural reference, (has " at least one "
The meaning).It will be further understood that terminology used herein " having ", " comprising " and/or "comprising" show in the presence of described
Feature, step, operation, element and/or part, but do not preclude the presence or addition of other one or more features, step, behaviour
Work, element, part and/or its combination.Term "and/or" as used in this includes one or more relevant items enumerated
Any and all combination.
Some preferred embodiments are in explanation made above, it should be emphasized, however, that the present invention is not limited to this
A little embodiments, but can be realized with the other embodiment in the range of present subject matter, other embodiment not necessarily includes
All component parts of the embodiment.
Claims (10)
1. a kind of welding gun, including pipette tips and cable, it is characterised in that the pipette tips include pipette tips body (11), ignition tip seat
(12), ignition tip (13) and nozzle (14), the pipette tips body (11) is internally provided with one or more air flues (11A), described
Ignition tip seat (12) is provided with one or more stomatas (12A), and the ignition tip (13) is internally provided with circular arc channel of welding wire
(13A), the nozzle (14) engage with the pipette tips body (11), and the ignition tip seat (12) connects with the pipette tips body (11)
The intracavitary for causing to enter the nozzle (14) by the stomata (12A) from the gas that the air flue (11A) comes out is closed, it is described to lead
Sparking plug (13) and ignition tip seat (12) clamping, the nozzle (14) surround the ignition tip (13) and the ignition tip seat
(12)。
2. welding gun according to claim 1, it is characterised in that the ignition tip (13) is made up of two half parts, each half
Partial symmetric position is provided with semicircular arc channel of welding wire groove, and the semicircular arc channel of welding wire groove of two half parts is in two halves
Part forms the circular arc channel of welding wire (13A) when overlapping.
3. welding gun according to claim 1, it is characterised in that the cable includes wire leading pipe (21), sleeve pipe (22), cable
(23) and cable jacket (24), described sleeve pipe (22) surround the wire leading pipe (21), and the cable jacket (24) surrounds the set
Manage (22), the cable (23) is arranged between described sleeve pipe (22) and the cable jacket (24), the wire leading pipe (21) and
There is space between described sleeve pipe (22), outlet pipe is additionally provided between described sleeve pipe (22) and the cable jacket (24)
(25)。
4. welding gun according to claim 3, it is characterised in that the wire leading pipe (21) is bourdon tube.
5. welding gun according to claim 3, it is characterised in that the wire leading pipe (21) includes the bourdon tube being connected to each other
(21A) and engineering plastics pipe (21B).
6. welding gun according to claim 3, it is characterised in that the cable is connected by swing component with the pipette tips, institute
Stating swing component includes swinging mandrel (31) and swings mandrel overcoat (32), and the swing mandrel (31) is rotatably inserted into described
Swing in mandrel overcoat (32), the endoporus (31A) for swinging mandrel (31) and the perforate of the swing mandrel overcoat (32)
(32A) forms the passage passed through for wire leading pipe (21), and the swing mandrel overcoat (32) engages with the pipette tips body (11),
The cable jacket (24) is enclosed on the protuberance of the swing mandrel (31).
7. welding gun according to claim 6, it is characterised in that being additionally provided with the endoporus for swinging mandrel (31) has
The fixation silk seat (31B) of through hole, the end sleeve of described sleeve pipe (22) is on the fixed silk seat (31B).
8. welding gun according to claim 6, it is characterised in that the pipette tips body (11) is provided with external splines (11B), institute
State swing mandrel overcoat (32) and be provided with spline (32B), the external splines (11B) coordinates with the spline (32B).
9. welding gun according to claim 5, it is characterised in that the external diameter of the engineering plastics pipe (21B) is more than or equal to
5mm。
10. welding gun according to claim 1, it is characterised in that be provided with adjustment support on the pipette tips body (11)
(15), the adjustment support (15) is y-type structure, and the upper end open of the y-type structure is connected simultaneously with the pipette tips body (11)
Fixed, the end of the lower end straight section of the y-type structure is provided with groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728885.6A CN107775158A (en) | 2016-08-25 | 2016-08-25 | A kind of welding gun |
| PCT/CN2017/098761 WO2018036535A1 (en) | 2016-08-25 | 2017-08-24 | Welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728885.6A CN107775158A (en) | 2016-08-25 | 2016-08-25 | A kind of welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107775158A true CN107775158A (en) | 2018-03-09 |
Family
ID=61246405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610728885.6A Pending CN107775158A (en) | 2016-08-25 | 2016-08-25 | A kind of welding gun |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107775158A (en) |
| WO (1) | WO2018036535A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262115A (en) * | 2018-11-20 | 2019-01-25 | 广州镱宝电机有限公司 | A kind of welding gun, wire-feed motor connector and welding equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090995B (en) * | 2022-08-04 | 2024-04-05 | 发哲(浙江)新材料科技有限公司 | Automatic steel pipe welding machine with telescopic welding gun |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018036535A1 (en) | 2018-03-01 |
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