CN209681395U - Gas metal-arc welding welding gun - Google Patents
Gas metal-arc welding welding gun Download PDFInfo
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- CN209681395U CN209681395U CN201920309182.9U CN201920309182U CN209681395U CN 209681395 U CN209681395 U CN 209681395U CN 201920309182 U CN201920309182 U CN 201920309182U CN 209681395 U CN209681395 U CN 209681395U
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Abstract
The utility model discloses a kind of gas metal-arc welding welding guns; belong to welding technology field; its structure be include body of a gun front end, ignition tip, ignition tip seat and nozzle; ignition tip is arranged by ignition tip seat in body of a gun front end; nozzle is socketed on the outside of ignition tip and ignition tip seat; and connect with body of a gun front end, its main feature is that being provided with nozzle liner casing on the inside of nozzle, nozzle liner casing and ignition tip seat outer profile form welding slag separate cavities.Compared with prior art, the features such as gas metal-arc welding welding gun of the utility model has welding slag easy to clean, and welding gas will not be by air pollution has good application value.
Description
Technical field
The utility model relates to welding technology fields, specifically provide a kind of gas metal-arc welding welding gun.
Background technique
Gas metal-arc welding (GMAW) is a kind of welding method that current industry generally uses.Welding gun by cable with
Power supply connection offer electric current generates electric arc between ignition tip and workpiece and is welded.Welding gun gas circuit provides protective gas to welding
Region carries out shielding protection.Protective gas usually can be helium, carbon dioxide, other inert gases, half inert gas and
Other mixed gas suitable for " welding (MIG) ".Consumable electrode metal active gas arc welding (MAG)
Use it is also very extensive.The mixed gas that MAG is used is not inert gas.For example, some mixed gas have included oxygen.
There are two effects for inert gas used in MIG welding.First, shielding protection is carried out to welding region, avoids sky
Oxygen in gas, nitrogen are contacted with welding region, these gases usually will cause welding defect.Second, inert gas Butt welding gun
It is cooled down, takes away the heat of welding gun generation to avoid overheating caused operating safety risks or even welding gun damage.Welding gun is set
Meter should meet relevant international standard.The standard butt welding gun handle is clearly required in the temperature rise of different location.
In MAG welding, although mixed gas can be reacted with welding workpiece, it can equally shield in atmosphere not
The gas (oxygen and nitrogen) and Butt welding gun needed radiates.
Dismountable nozzle is mounted on the head end of welding gun, for containing welding gas and being oriented to gas, to make
Welding air-flow forms circular protective layer in the desired locations of welded piece.
It is airtight not cause sternly other gases in air to be mixed into welding gas welding quality to impact.Its origin cause of formation
It may be to weld mixed air in air-flow to cause empty in shielded layer to form negative pressure of vacuum effect, suck more air,
It dilutes and pollutes welding gas.
Ignition tip is mounted on the ignition tip seat of welding gun, and filler wire is welded after passing through ignition tip with workpiece generation electric arc
It connects.There are many selections to adapt to different use needs for solder wire material.Filler wire is by being commonly known as welding machine or wire-feed motor
Mechanical device provides wire feed.Welding machine provides the current regulation control in welding current and welding process simultaneously.
A large amount of heat and smog can be generated in welding process.The fine metal particles of many thawings in the welding process four
It dissipates and splashes, the metallic particles of some heat may splash down on workbench or ground, other may then be stained with workpiece or surrounding
Some other metallic surface.It is small spherical shape after metallic particles is cooling, it is easy to recognize.They are commonly known as welding slag or weldering
Connect welding slag.Because at nozzle opening closest to welding pool so welding slag is easiest to bond herein.Not only in nozzle opening position, weldering
Slag can also enter in the middle part of nozzle, even nozzle rear portion.The welding slag of spray nozzle front end is easy cleaning using tool.If welding slag bonds
It is cleared up to nozzle rear end then extremely difficult.
The welding slag being bonded in nozzle because of its influence to protection air-flow so that welding process becomes highly unstable, nozzle
Therefore disassembly also becomes very difficult.
Soft wire bond, which connects, is capable of forming uniformly welding gas, and steadily, the requirement for the protection laminar flow not dissipated is most important.Weldering
Slag muck product, which can be formed air-flow latus rectum, to be hindered cause protective layer manifold shape, size it is unstable.
Removing the conventional method of welding slag at present is to remove nozzle, then breaks the hard of welding slag formation into pieces using suitable tool
Ring.Welding slag is bonded together sometimes so that nozzle removal is very inconvenient with nozzle and bent pipe parts.In addition it is typically designed middle nozzle
And matched part is cleared up bigger usually using metal in case of welding slag adhesion.
Although there are many markets declare that the technology of welding slag adhesion can be prevented, can guarantee that 100% is effective without one.
And once bonding cleaning is extremely difficult for welding slag.
Summary of the invention
The utility model is in view of the above shortcomings of the prior art, it is easy to clean to provide a kind of welding slag, and welding gas is not
It can be by the gas metal-arc welding welding gun of air pollution.
The technical scheme adopted by the utility model to solve the technical problem is as follows: gas metal-arc welding welding gun, including
Body of a gun front end, ignition tip, ignition tip seat and nozzle, ignition tip are arranged by ignition tip seat in body of a gun front end, and nozzle, which is socketed in, leads
It on the outside of sparking plug and ignition tip seat, and is connect with body of a gun front end, its main feature is that nozzle liner casing is provided on the inside of nozzle, in nozzle
Lining pipe and ignition tip seat outer profile form welding slag separate cavities.The welding slag separate cavities are dedicated for collecting, accommodate welding process
The welding slag metallic particles of middle generation.The metal welding solid impurity particle that nozzle bottom is reached in welding process can be accumulated in separate cavities, shape
At hard ring.
The body of a gun front end can be water cooled welding torch front end and be also possible to air-cooled welding gun front end.
Preferably, the material of nozzle liner casing should with the mutual not affinity of the material of ignition tip seat, in particular, the nozzle
Liner casing is preferably made of non-metal insulating material, e.g., can be used for the polymer composite processed or be pressed and molded, example
Such as fire resistant polymer composite glass fiber enhances two sections of mold pressing resin insulating materials.
Preferably, the nozzle liner sleeve bottom Internal periphery and ignition tip seat outer profile form welding slag separate cavities, weldering for effect
The bottom of chamber face of slag separate cavities is arcwall face.I.e. welding slag separate cavities are passed through and are unified into nozzle liner casing and ignition tip seating face
Type.
Further, in order to facilitate nozzle removal, in order to remove welding slag, at least one can be set in nozzle closed end
Nozzle locking slot, and nozzle retaining ring is set on the outside, before the nozzle retaining ring is for making nozzle closed end and the body of a gun
End is fastenedly connected.
The number of nozzle locking slot is preferably 4-8, and uniformly distributed along nozzle circumferencial direction.
In order to further facilitate nozzle removal, nozzle retaining ring is preferably threadedly coupled with body of a gun front end.
Preferably, can ignition tip base rear end be arranged ignition tip seat insulation sleeve, ignition tip seat insulation sleeve outer profile with
Nozzle closed end Internal periphery and the cooperation of body of a gun front end Internal periphery, and be provided between ignition tip seat insulation sleeve and nozzle closed end close
Packing.
Alternatively, being provided with gasket between ignition tip seat insulation sleeve and body of a gun front end.
The gasket preferably uses wear-resisting, and heat-resisting material is made, and setting may insure sealing No leakage, this is one
As be expected that by machined part and cooperate to realizing what the design method of sealing cannot achieve.
The soft wire bond connects sometimes referred to as welding art, requires more so the degree of purity of welding gas.Welding gas
Subtle pollution also can welding quality cause very big influence.
Compared to the prior art the gas metal-arc welding welding gun of the utility model, has beneficial effect following prominent
Fruit:
(1) in nozzle chamber bottom, design has the weldering for collecting, accommodating the welding slag metallic particles generated in welding process
Slag separate cavities, the metal welding solid impurity particle that nozzle bottom is reached in welding process can be accumulated in separate cavities, form hard ring, in order to
It removes, to improve production efficiency, saves the consuming cost of vulnerable part；
(2) it uses with the incompatible insulating materials of metal and the design of welding slag separate cavities so that nozzle welding slag is cleared up to obtain
Greatly improve.Significantly because non-metal insulating material and metal will not stick together so that removing the hard ring of welding slag more
It is easy.When dismantling nozzle, nozzle will push the hard ring of welding slag and be allowed to be detached from adhesion, and adhesion is once broken, and nozzle removal and welding slag are clear
Reason just becomes very easy；
(3) it is fastenedly connected nozzle closed end with body of a gun front end by nozzle retaining ring, wherein retaining ring can be with the body of a gun
The advantages of nose threads connection, this design, is that the welding slag of bonding can be broken by inverting retaining ring.
(4) it is provided with nozzle liner casing on the inside of nozzle, improves the opposite concentricity with nozzle of ignition tip；
(5) convenient for periodic cleaning nozzle oral area in the welding process and the welding slag of inside, this helps to prevent to welding gas
Stream causes to block；
(6) Seal Design in nozzle, it can be ensured that sealing No leakage, so that welding gas is not easily susceptible to pollute, this design
The stability and consistency of welding are greatly improved in the application optimized in soft wire bond connection technology.
Detailed description of the invention
Attached drawing 1 is embodiment water cooled welding torch explosive view；
Attached drawing 2 is embodiment water cooled welding torch perspective view；
Attached drawing 3 is embodiment water cooled welding torch cross-sectional view；
Attached drawing 4 is enlarged drawing at Fig. 3 water cooled welding torch A；
Attached drawing 5 is ignition tip seat in embodiment, ignition tip seat insulation sleeve, gasket explosive view.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as to the utility model
Restriction.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " is usual
Refer to reference to upper and lower, left and right shown in the drawings；" inside and outside " refers to the inside and outside of the profile relative to each component itself.
A most preferred embodiment is given below:
As shown in attached drawing 1,2,3, the water cooled welding torch of the present embodiment is mainly by welding gun bent pipe 1, nozzle 2, ignition tip 3, conduction
Mouth seat 4, ignition tip seat insulation sleeve 5, gasket 6 and retaining ring 7 are constituted.
The structure of welding gun bent pipe 1 is identical as the structure of existing known welding gun bent pipe, inside be the tubulose zero being process
Part, outside are pressed and molded by polymer composite.Bend pipe can not only carry, convey welding current, inside be also devised with
Cooling water channel and welding gas circuit are respectively used to provide cooling and conveying welding gas for welding gun.Bend pipe adds at 11,12 liang of diagram
Work has screw thread to be respectively used to connect with ignition tip seat 4 and nozzle 2.
Ignition tip 3 is assemblied on ignition tip seat 4.4 insertion end of ignition tip seat is threadedly coupled with 11 positions of welding gun bent pipe 1.
There are 6 uniformly distributed stomatas 41 to shed for welding gas in the design of 4 circumferencial direction of ignition tip seat.Ignition tip seat insulation sleeve 5 assembles
In the root periphery of ignition tip seat 4.The gasket 6 made of wear-resisting, heat-resisting material is then mounted on ignition tip by card slot
(as shown in attached drawing 4,5) on seat insulation sleeve 5.
Nozzle 2 is assemblied in 4 outside of ignition tip 3 and ignition tip seat.2 closed end of nozzle (refers to opposite torch handle closer one
End) 6 uniformly distributed locking slots 21 are machined with, and 12 positions of welding gun bent pipe 1 are fixed on by retaining ring 7.2 inner headed face of nozzle with
The external seal face of sealing ring 6 cooperates, for the gas-insulated contact with outside air of sealing welding.Retaining ring 7 and welding gun
12 positions of bend pipe 1 are threadedly coupled.
Nozzle liner casing 22 made of non-metal insulating material is further fixed in 2 inner headed face of nozzle.Nozzle liner casing
Profile and 4 outer circle root profile of ignition tip seat pass through the type of being unified into 22, form the welding slag separate cavities 8 that bottom of chamber face is arcwall face.Diagram
In 1.5 millimeters of radius for suggest size.Depending on the variation of welding condition and material, the size can do corresponding design adjustment.
When carrying out weld job with the water cooled welding torch of the present embodiment, welding slag can be deposited in the bottom of welding slag separate cavities 8, be formed
One hard but also crisp becket not only.It rotates retaining ring 7 and is less than 180 degree, nozzle 2 can push welding slag under the drive of retaining ring 7
Becket is allowed to be detached from adhesion, and then can easily disassemble nozzle 2 and clean up welding slag.
Embodiment described above, only one kind of the utility model more preferably specific embodiment, the skill of this field
The usual variations and alternatives that art personnel carry out within the scope of technical solutions of the utility model should all be included in the guarantor of the utility model
It protects in range.
Claims (7)
1. gas metal-arc welding welding gun, including body of a gun front end, ignition tip, ignition tip seat and nozzle, ignition tip pass through conduction
Mouth seat is arranged in body of a gun front end, and nozzle is socketed on the outside of ignition tip and ignition tip seat, and is connect with body of a gun front end, and feature exists
In: nozzle liner casing is provided on the inside of nozzle, nozzle liner casing and ignition tip seat outer profile form welding slag separate cavities.
2. gas metal-arc welding welding gun according to claim 1, it is characterised in that the nozzle liner casing uses
Non-metal insulating material is made.
3. gas metal-arc welding welding gun according to claim 1, it is characterised in that nozzle liner sleeve bottom lubrication groove
Wide to form welding slag separate cavities with ignition tip seat outer profile, the bottom of chamber face of welding slag separate cavities is arcwall face.
4. gas metal-arc welding welding gun according to claim 1,2 or 3, it is characterised in that nozzle closed end is provided with
At least one nozzle locking slot, and it is provided with nozzle retaining ring on the outside, the nozzle retaining ring is for being closed nozzle
End is fastenedly connected with body of a gun front end.
5. gas metal-arc welding welding gun according to claim 4, it is characterised in that nozzle retaining ring and body of a gun front end
It is threadedly coupled.
6. gas metal-arc welding welding gun according to claim 1, it is characterised in that ignition tip base rear end, which is provided with, leads
Sparking plug seat insulation sleeve, ignition tip seat insulation sleeve outer profile and nozzle closed end Internal periphery and body of a gun front end Internal periphery cooperate, and lead
Gasket is provided between sparking plug seat insulation sleeve and nozzle closed end.
7. gas metal-arc welding welding gun according to claim 1, it is characterised in that ignition tip base rear end, which is provided with, leads
Sparking plug seat insulation sleeve, ignition tip seat insulation sleeve outer profile and nozzle closed end Internal periphery and body of a gun front end Internal periphery cooperate, and lead
Gasket is provided between sparking plug seat insulation sleeve and body of a gun front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309182.9U CN209681395U (en) | 2019-03-12 | 2019-03-12 | Gas metal-arc welding welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309182.9U CN209681395U (en) | 2019-03-12 | 2019-03-12 | Gas metal-arc welding welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209681395U true CN209681395U (en) | 2019-11-26 |
Family
ID=68604759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920309182.9U Active CN209681395U (en) | 2019-03-12 | 2019-03-12 | Gas metal-arc welding welding gun |
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| Country | Link |
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| CN (1) | CN209681395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865922A (en) * | 2019-03-12 | 2019-06-11 | 济南尼克焊接技术有限公司 | Gas metal-arc welding welding gun |
| CN114147326A (en) * | 2021-12-22 | 2022-03-08 | 黄培 | Argon tungsten-arc welding gun |
-
2019
- 2019-03-12 CN CN201920309182.9U patent/CN209681395U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865922A (en) * | 2019-03-12 | 2019-06-11 | 济南尼克焊接技术有限公司 | Gas metal-arc welding welding gun |
| CN109865922B (en) * | 2019-03-12 | 2024-04-12 | 济南尼克焊接技术有限公司 | Consumable electrode gas shielded welding gun |
| CN114147326A (en) * | 2021-12-22 | 2022-03-08 | 黄培 | Argon tungsten-arc welding gun |
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