CN206286694U - A kind of semi-automatic gas shielded arc welding rifle for narrow gap welding - Google Patents
A kind of semi-automatic gas shielded arc welding rifle for narrow gap welding Download PDFInfo
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- CN206286694U CN206286694U CN201621251894.2U CN201621251894U CN206286694U CN 206286694 U CN206286694 U CN 206286694U CN 201621251894 U CN201621251894 U CN 201621251894U CN 206286694 U CN206286694 U CN 206286694U
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- narrow gap
- torch body
- shielded arc
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Abstract
The utility model discloses a kind of semi-automatic gas shielded arc welding rifle for narrow gap welding; including connecting tube, torch body and nozzle cage; stylets, breather pipe and water service pipe are provided with torch body; the port of export of connecting tube is connected with the arrival end of stylets in torch body; nozzle cage be sleeved on the port of export of torch body and cover the torch body the port of export a part, the gas outlet of torch body Center Vent tube is arranged on the side wall of breather pipe and in face of the madial wall of nozzle cage.The utility model is used for the semi-automatic gas shielded arc welding rifle of narrow gap welding on the basis of narrow gap automatic gas protect welding gun by improving and with common gases welding gun can be protected to be applied in combination and realize the semi-automatic welding to narrow gap; increase the interface that nozzle, the outlet port of change protection gas and the meter of spraying ceramic coat are connected with common gases protection welding gun, narrow gap weld seam that can be to weld penetration ＜ 200mm and width more than 10mm realizes semi-automatic welding.
Description
Technical field
The utility model is related to technical field of welding equipment, more particularly, is related to a kind of for realizing narrow gap rule
Weld seam or narrow and the semi-automatic welding of the irregular weld seam of depth semi-automatic gas shielded arc welding rifle.
Background technology
Narrow gap weld seam is narrow and deep, and general common gases protection welding gun can not extend into welding groove bottom at all, because
This is frequently with narrow gap automatic welding equipment or SMAW.
Narrow gap gas shielded welding has saving welding material, shortening groove welding time, reduction welding deformation etc. all
Many advantages, are limited only to regular weld seam or some higher to welding requirements are multiple for narrow gap automatic welding all the time
Miscellaneous structure or special material,
How by narrow gap welding is for the welding of common material and realizes the manual welding of narrow gap, so as to ensure welding
It is the technical problems to be solved in the utility model that production cost is reduced while quality.
Utility model content
In order to solve problems of the prior art, the purpose of this utility model is to protect welding gun in narrow gap automatic gas
On the basis of by improve obtain can with common gases protect welding gun be applied in combination and realize to narrow gap semi-automatic welding half
Automatic gas shielded welding rifle.
The utility model provides a kind of semi-automatic gas shielded arc welding rifle for narrow gap welding, the semi-automatic gas
Protection welding gun includes connecting tube, torch body and nozzle cage, and stylets, breather pipe and water flowing are provided with the torch body
Pipe, the port of export of the connecting tube is connected with the arrival end of stylets in torch body, and the nozzle cage is sleeved on torch body
The port of export on and cover the torch body the port of export a part, wherein, the outlet of the torch body Center Vent tube
Mouth is arranged on the side wall of breather pipe and in face of the madial wall of the nozzle cage.
It is used for one embodiment of the semi-automatic gas shielded arc welding rifle of narrow gap welding, the connection according to the utility model
The arrival end of pipe is provided with nozzle connection, and the semi-automatic gas shielded arc welding rifle is protected by the nozzle connection and common gases
Welding gun is connected.
It is used for one embodiment of the semi-automatic gas shielded arc welding rifle of narrow gap welding, the nozzle according to the utility model
Joint is connected through a screw thread with the arrival end of connecting tube.
It is used for one embodiment of the semi-automatic gas shielded arc welding rifle of narrow gap welding, the nozzle according to the utility model
Cover has the shape matched with the port of export of the torch body to be coated with the red copper nozzle cage and nozzle cage of ceramic layer.
It is used for one embodiment of the semi-automatic gas shielded arc welding rifle of narrow gap welding, the ventilation according to the utility model
The quantity of pipe is two, and the quantity of the water service pipe is two, wherein, two water service pipes are separately positioned on the both sides of stylets,
Two breather pipes are separately positioned on two both sides of water service pipe.
It is used for one embodiment of the semi-automatic gas shielded arc welding rifle of narrow gap welding, the ventilation according to the utility model
The air inlet of pipe is arranged on the side wall of breather pipe, and the water inlet of the water service pipe is arranged on the side wall of water service pipe, described logical
The delivery port of water pipe is arranged on the end of water service pipe.
It is used for one embodiment of the semi-automatic gas shielded arc welding rifle of narrow gap welding, the welding gun according to the utility model
Main body is additionally included at least two fixations of end and middle part the fixation stylets, breather pipe and the water service pipe of torch body
Part, wherein, the water inlet of the air inlet and water service pipe with the breather pipe is provided with the fixture of torch body end
Corresponding connecting hole.
It is used for one embodiment of the semi-automatic gas shielded arc welding rifle of narrow gap welding according to the utility model, described half certainly
Narrow gap automatic welding gun is improved and obtained by dynamic gas protective welding gun as torch body.
Compared with prior art, the utility model be used for narrow gap welding semi-automatic gas shielded arc welding rifle narrow gap from
Take offence and protect on the basis of welding gun by improving and with common gases welding gun can be protected to be applied in combination and realize to the half of narrow gap certainly
Dynamic welding, the nozzle cage for increasing spraying special ceramics coating, the outlet port for changing protection gas simultaneously increase and common gases protection
The interface of welding gun connection, narrow gap weld seam that can be to weld penetration ＜ 200mm and width more than 10mm realizes semi-automatic welding.
Brief description of the drawings
Fig. 1 shows the semi-automatic gas shielded arc welding rifle for being used for narrow gap welding according to the utility model exemplary embodiment
Structural representation.
Fig. 2 shows the semi-automatic gas shielded arc welding rifle for being used for narrow gap welding according to the utility model exemplary embodiment
The structural representation being connected with common gases protection welding gun.
Description of reference numerals：
10- connecting tubes, 20- torch bodies, 21- stylets, 22- water service pipes, 23- breather pipes, 231- gas outlets, 24- are solid
Determine part, 241- connecting holes, 30- nozzle cages, 40- nozzle connections, 50- common gases protection welding gun.
Specific embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The structure and principle that the semi-automatic gas shielded arc welding rifle of narrow gap welding will be used for the utility model below are carried out
More detailed description.The utility model is can be with common gas by improvement on the basis of narrow gap automatic gas shielded welding rifle
Body protection welding gun is applied in combination and realizes the semi-automatic welding to narrow gap, and weld penetration ＜ 200mm and width can be more than
The narrow gap weld seam of 10mm realizes semi-automatic welding.
Fig. 1 shows the semi-automatic gas shielded arc welding rifle for being used for narrow gap welding according to the utility model exemplary embodiment
Structural representation, Fig. 2 show according to the utility model exemplary embodiment be used for narrow gap welding semi-automatic gas protect
The structural representation that shield welding gun is connected with common gases protection welding gun.
As shown in figure 1, according to exemplary embodiment of the present utility model, the semi-automatic gas for narrow gap welding
Protection welding gun includes connecting tube 10, torch body 20 and nozzle cage 30.Wherein, torch body 20 is based on existing narrow gap
Automatic gas shielded welding rifle improves the welding gun dominant structural moieties for obtaining, and connecting tube 10 is used to connect welding gun and other assemblies, sprays
Muzzle 30 is favorably improved welding effect
According to the utility model, stylets 21, breather pipe 23 and water service pipe 22, connecting tube 10 are provided with torch body 20
The port of export be connected with the arrival end of stylets 21 in torch body 20, nozzle cage 30 is sleeved on the port of export of torch body 20
And the part of the port of export of torch body 20 is covered, wherein, the gas outlet 231 of the Center Vent tube 23 of torch body 20 is arranged on logical
On the side wall of tracheae 23 and in face of the madial wall of nozzle cage 30.
Wherein, nozzle cage 30 be preferably be coated with ceramic layer red copper nozzle cage and nozzle cage 30 have and torch body
The shape that 20 port of export matches.Increased nozzle cage 30 can make all equably flow direction welderings from after welding gun ejection of protection gas
The waste of protection gas is stitched and avoided, increases the protecting effect to weld seam；The ceramic layer for spraying thereon can effectively play insulation, resistance to height
Temperature simultaneously prevents the effect that welding gun and weldment scratch are cocked off.During due to welding, welding groove bottom temp is very high, has at high temperature
Enough intensity and conveniently take；Additionally, according to the matched nozzle nested structure of welding gun configuration design, nozzle cage is adopted with welding gun
The mode for taking suit is connected, easy to use.
Meanwhile, the gas outlet 231 of the Center Vent tube 23 of torch body 20 is set on the side wall of breather pipe 23 and faced
The madial wall of nozzle cage 30 is the outlet port that gas is protected to change, i.e., be changed to side outlet by bottom outlet before,
Thus after protection gas flows out through the venthole 231 of welding gun side wall, full nozzle cage 30 is collided and filled through the inwall with nozzle cage 30
Weld seam is uniformly flowed to afterwards, is conducive to increasing the stability of protection air-flow.
As shown in Fig. 2 according to a preferred embodiment of the present utility model, the arrival end of connecting tube 10 is additionally provided with nozzle
Joint 40, then semi-automatic gas shielded arc welding rifle of the present utility model can be by nozzle connection 40 and common gases protection welding gun 50
Connection, is achieved in the manual semi-automatic welding of narrow gap.Preferably, nozzle connection 40 passes through spiral shell with the arrival end of connecting tube 10
Line is connected.
Additionally, the quantity of the Center Vent tube 23 of torch body 20 is two in the utility model, the quantity of water service pipe 22 is two
Root, two water service pipes 22 are separately positioned on the both sides of stylets 21, and two breather pipes 23 are separately positioned on two water service pipes 22
Both sides.Also, the air inlet of breather pipe 23 is arranged on the side wall of breather pipe 23, the water inlet of water service pipe 22 is arranged on water service pipe
On 22 side wall, the delivery port of water service pipe 22 is arranged on the end of water service pipe 22.
Stylets 21, breather pipe 23 and water service pipe are fixed in the end and middle part that torch body 20 is additionally included in torch body 20
22 at least two fixtures 24, wherein, it is provided with the fixture 24 of the end of torch body 20 and is entered with breather pipe 23
The gas port connecting hole 241 corresponding with the water inlet of water service pipe 22, such that it is able to by welding gun and it is corresponding protection source of the gas and water source
Connection.
In sum, the semi-automatic gas shielded arc welding rifle that the utility model is used for narrow gap welding is by narrow gap automatic welding
Rifle improves what is obtained as torch body, by increasing the nozzle cage of spraying special ceramics coating, changing the outlet position of protection gas
Put and increase with the common gases protection interface that be connected of welding gun, narrow of 10mm can be more than to weld penetration ＜ 200mm and width
Gap weld seam realizes semi-automatic welding.
The utility model is not limited to foregoing specific embodiment.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
Close.
Claims (8)
1. a kind of semi-automatic gas shielded arc welding rifle for narrow gap welding, it is characterised in that the semi-automatic gas shielded arc welding
Rifle includes connecting tube, torch body and nozzle cage, and stylets, breather pipe and water service pipe, institute are provided with the torch body
The port of export for stating connecting tube is connected with the arrival end of stylets in torch body, and the nozzle cage is sleeved on the outlet of torch body
On end and cover the torch body the port of export a part, wherein, the gas outlet of the torch body Center Vent tube is set
On the side wall of breather pipe and in face of the madial wall of the nozzle cage.
2. the semi-automatic gas shielded arc welding rifle of narrow gap welding is used for according to claim 1, it is characterised in that the connection
The arrival end of pipe is provided with nozzle connection, and the semi-automatic gas shielded arc welding rifle is protected by the nozzle connection and common gases
Welding gun is connected.
3. the semi-automatic gas shielded arc welding rifle of narrow gap welding is used for according to claim 2, it is characterised in that the nozzle
Joint is connected through a screw thread with the arrival end of connecting tube.
4. the semi-automatic gas shielded arc welding rifle of narrow gap welding is used for according to claim 1, it is characterised in that the nozzle
Cover has the shape matched with the port of export of the torch body to be coated with the red copper nozzle cage and nozzle cage of ceramic layer.
5. the semi-automatic gas shielded arc welding rifle of narrow gap welding is used for according to claim 1, it is characterised in that the ventilation
The quantity of pipe is two, and the quantity of the water service pipe is two, wherein, two water service pipes are separately positioned on the both sides of stylets,
Two breather pipes are separately positioned on two both sides of water service pipe.
6. the semi-automatic gas shielded arc welding rifle of narrow gap welding is used for according to claim 1 or 5, it is characterised in that described
The air inlet of breather pipe is arranged on the side wall of breather pipe, and the water inlet of the water service pipe is arranged on the side wall of water service pipe, institute
The delivery port for stating water service pipe is arranged on the end of water service pipe.
7. the semi-automatic gas shielded arc welding rifle of narrow gap welding is used for according to claim 6, it is characterised in that the welding gun
Main body is additionally included at least two fixations of end and middle part the fixation stylets, breather pipe and the water service pipe of torch body
Part, wherein, the water inlet of the air inlet and water service pipe with the breather pipe is provided with the fixture of torch body end
Corresponding connecting hole.
8. the semi-automatic gas shielded arc welding rifle of narrow gap welding is used for according to claim 1, it is characterised in that described half certainly
Narrow gap automatic welding gun is improved and obtained by dynamic gas protective welding gun as torch body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251894.2U CN206286694U (en) | 2016-11-15 | 2016-11-15 | A kind of semi-automatic gas shielded arc welding rifle for narrow gap welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251894.2U CN206286694U (en) | 2016-11-15 | 2016-11-15 | A kind of semi-automatic gas shielded arc welding rifle for narrow gap welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206286694U true CN206286694U (en) | 2017-06-30 |
Family
ID=59100174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621251894.2U Active CN206286694U (en) | 2016-11-15 | 2016-11-15 | A kind of semi-automatic gas shielded arc welding rifle for narrow gap welding |
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| CN (1) | CN206286694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814560A (en) * | 2019-10-12 | 2020-02-21 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Large-caliber G115 pipeline on-site welding method |
-
2016
- 2016-11-15 CN CN201621251894.2U patent/CN206286694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814560A (en) * | 2019-10-12 | 2020-02-21 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Large-caliber G115 pipeline on-site welding method |
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