CN85201640U - Suction fume welding gun for gas shielded arc welding - Google Patents
Suction fume welding gun for gas shielded arc welding Download PDFInfo
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- CN85201640U CN85201640U CN 85201640 CN85201640U CN85201640U CN 85201640 U CN85201640 U CN 85201640U CN 85201640 CN85201640 CN 85201640 CN 85201640 U CN85201640 U CN 85201640U CN 85201640 U CN85201640 U CN 85201640U
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Abstract
The utility model relates to a suction fume welding gun for the gas shielded welding. The sucked fume can pass through the inner part of a hollow gun body, and can be drained into the atmosphere after the th dust of the sucked fume is filtered. The projection part of the front end of the gun body is sheathed with a fume collecting cover clamped by an elastic clamp, and the fume collecting cover can be moved or rotated front and back according to the requirement of the operating condition; thus, the fume can be sucked fully. In addition, the side surface of a gun holder of the invented welding gun is provided with a plurality of ventilation holes, a certain amount of outside air can enter the gun body through the small holes under the action of the negative-pressure in the gun body to cool the gun holder. The welding gun is matched with a shooting and sucking device which uses the compressed air as the motive power and has the advantages of simple structure, good performance and low price.
Description
The utility model is the novel smoking-collecting type welding gun of a kind of used for gas shield welding.
BP 2004488 has proposed a kind of used for gas shield welding smoking-collecting type welding gun that is provided with exhaust gases passes in the rifle body, and this welding gun links to each other with suction pump by flexible pipe, and the flue dust that produces in the time of can taking gas shielded arc welding away has improved the weld job condition quite a lot ofly.But because this welding gun annular smoking port and arc offset are from far away, even a certain amount of flue gas is also arranged unavoidably to external diffusion when downhand welding; In addition, gap (smoke inlet) between its tip outer surface and the rifle body wall is uncontrollable, therefore during the weld seam in welding vertical plane or subvertical plane, tip Lower Half gap does not almost have or seldom has flue gas to pass through, a large amount of flue gases enter exhaust gases passes from first half gap, but because first half gap is unadjustable, therefore often have quite a few flue gas can not be taken away and to around diffusion.In addition, owing to pass through in the exhaust gases passes of flue gas in the rifle body, make the small of the stock surface temperature of holding higher.Have, the suction pump weight of the translator that links to each other with welding gun by flexible pipe is big, complex structure, use inconvenience, price are more expensive again.
The purpose of this utility model provides a kind ofly can further improve smoking efficient, reduce small of the stock temperature, simple in structure, in light weight, is convenient to operation, low price, the smoking-collecting type gas shielded arc welding welding gun that performance is good.
Feature with claim 1 to 4 partly is that the welding gun that architectural feature is made has reached this purpose.
The utility model welding gun has a lug boss in rifle body Front-end Design, and the exhaust fume collecting hood that tightens with flexible collar promptly is enclosed within on this lug boss.This exhaust fume collecting hood can suitably be regulated the unlatching orientation of smoking port according to when welding flue gas flow direction, and can move forward and backward and make it to reach to the best locus of smoking, has significantly improved smoking efficient.This advantage is vertical or seem particularly outstanding during near the weld seam in the vertical plane in welding.Secondly,, can suck air in certain amount under the suction function in the rifle body, thereby small of the stock temperature is dropped to about 40 ℃ from 70～80 ℃, be convenient to the welding personnel operation owing on the small of the stock, have several exhaust ventilation holes.The 3rd, this welding gun with utilize that compressed air produces negative pressure penetrate the supporting use of haustorium, can obtain high negative pressure easily, thereby can dwindle the latus rectum of hose, improve the flexibility of operation.Very light owing to penetrating haustorium itself again, hang on use so whole dust suction dust filtration device can be suspended on cantilever with wire feeder.
Because to make this welding gun reach smoking abundant, simple in structure, in light weight for above feature, flexible and convenient operation, purpose such as with low cost uses this welding gun can improve the operation field environment greatly.
Accompanying drawing has been described an embodiment of the present utility model.
Fig. 1, be the cutaway view of present embodiment welding gun.
Fig. 2, penetrate the haustorium cutaway view for present embodiment welding gun adapted.
The hollow housing of the utility model welding gun (referring to Fig. 1) rifle body (1) for making with the reinforced plastics of phenolic resins and so on; be provided with protective gas conduit (2) in the rifle body (1); suit internal layer welding wire conduit (3) in protective gas conduit (2), by the exhaust gases passes (4) that constitutes between protective gas conduit (2) and rifle body (1) inner chamber by flexible pipe (5) with penetrate haustorium (27) and link to each other.The front end of protective gas conduit (2) links to each other with dividing air-casing (6), and the rear end links to each other with protective gas flexible pipe (8) by coupling block (7).The welding wire conduit is by inside and outside two-layer the composition, and internal layer welding wire conduit (3) front end links to each other with dividing air-casing (6), and outer welding wire conduit (9) front end links to each other with coupling block (7), and the two rear end all links to each other with the welding machine wire feeder.The gauge tap (10) that is located on the rifle body is connected by the wire feeder in control line (11) and the welding machine and the control circuit of protective gas feeder.Welding
Line (12) one ends link to each other with welding machine electric power, and the other end links to each other with coupling block (7).Rifle body (1) front end has a lug boss (13), is with exhaust fume collecting hood (14) and uses flexible collar (15) chucking on this lug boss (13).Like this, can move forward and backward or rotate exhaust fume collecting hood (14) according to operating mode.Especially vertical or during in welding near the weld seam in the vertical plane, can regulate the unlatching orientation between exhaust fume collecting hood (14) inner surface and the separation sleeve (16), so that abundant smoking.The hollow thin-wall truncation garden awl that exhaust fume collecting hood (14) is not more than 15 ° for the garden tube or the tapering of 20～50 millimeters of diameters.Be provided with heat shield (17) at small of the stock position, one deck thermal boundary barrier film (18) arranged between this heat shield (17) and the small of the stock and have 2～3 millimeters ventilation gaps.Small of the stock side in the heat shield (17) is drilled with several apertures (19), owing to have negative pressure in the small of the stock, so air in certain amount can enter rifle body (1) by these apertures, makes heat shield (17) cooling.This welding gun adopts double-deck welding wire conduit, and outer welding wire conduit (9) is rolled into bourdon tube with two profile wire coileds, internal layer welding wire conduit (3) with spring steel wire.Like this, in the greasy dirt of welding wire stops up pipe (3), when influence wire feed, can extract the interior replacing of managing out.Welding wire is powered by ignition tip (20).Insulate with insulation sleeve (21) between separation sleeve (16) and the protective gas conduit (2).
To adopt compressed air be power to the haustorium (referring to Fig. 2) of penetrating of this welding gun adapted.Compressed air is sent into after decompression and is penetrated haustorium (27), sprays into pantagraph current collector (24) through nozzle (23), enters atmosphere through muffler (25) then.Dirt catcher (26) is set at the smoke inlet place.
In use, gauge tap (10) is pulled " opening " position, welding wire (22) promptly imports welding zone through welding wire conduit (3,9); Protective gas is sent in the protective gas conduit (2) by the gap in the coupling block (7) through protective gas flexible pipe (8) and is sprayed through the aperture inflow separation sleeve (16) of a minute air-casing (6) and to the arc district.Produced negative pressure owing to penetrate haustorium (27) injection, the flue gas that produces when therefore welding almost all enters exhaust fume collecting hood (14), exhaust gases passes (4) in rifle body (1) is sent into dirt catcher (26) through flexible pipe (5) more then, sends into thus and penetrates haustorium (27).Owing to be drilled with several apertures (19) on the small of the stock, therefore,, thereby reach small of the stock cooling purpose because the suction function in the rifle body can suck rifle body (1) from aperture (19) with outside air.In the course of work, compressed air is from penetrating haustorium seat (28) through nozzle (23) ejection, through muffler (25) noise reduction.
Inventor's technology routinely produces several bar structures welding gun as shown in Figure 1, tests to show to have smoking efficient and all reach more than 82% advantage simple in structure, easy to use, that cost is low in laboratory more than a year.
Claims (4)
1, the utility model is to be used for gas shielded arc welding; the welding gun of carbon dioxide gas arc welding particularly; in the rifle body (1) of hollow, be provided with protective gas conduit (2); suit internal layer welding wire conduit (3) in protective gas conduit (2) is penetrated haustorium by flexible pipe (5) with negative pressure by the exhaust gases passes (4) that constitutes between protective gas conduit (2) and rifle body (1) inner chamber and is linked to each other.The front end of protective gas conduit (2) links to each other with dividing air-casing (6), and the rear end links to each other with protective gas flexible pipe (8) by coupling block (7).The welding wire conduit is by inside and outside two-layer the composition, and internal layer welding wire conduit (3) front end links to each other with dividing air-casing (6), and outer welding wire conduit (9) front end links to each other with coupling block (7), and the two rear end all links to each other with the welding machine wire feeder.The gauge tap (10) that is located on the rifle body is connected by the wire feeder in control line (11) and the welding machine and the control circuit of protective gas feeder.Welding cable line (12) one ends link to each other with welding machine electric power, and the other end links to each other with coupling block (7).Feature of the present utility model is in rifle body (1) Front-end Design one lug boss (13) to be arranged, and exhaust fume collecting hood (14) is enclosed within on the lug boss (13); On the small of the stock, have several exhaust ventilation holes (19); Exhaust gases passes (4) in the rifle body (1) links to each other with the haustorium (27) of penetrating that utilizes compressed air to produce negative pressure by smoking flexible pipe (5).
2,, it is characterized in that exhaust fume collecting hood (14) is clamped on the lug boss (13) with flexible collar (15) according to the welding gun of claim 1.
3,, it is characterized in that small of the stock outside is surrounded by heat shield (17) according to the welding gun of claim 1.
4,, it is characterized in that being provided with thermal boundary barrier film (18) and leaving the gap between the heat shield (17) and the small of the stock (1) according to the welding gun of claim 1 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201640 CN85201640U (en) | 1985-05-17 | 1985-05-17 | Suction fume welding gun for gas shielded arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201640 CN85201640U (en) | 1985-05-17 | 1985-05-17 | Suction fume welding gun for gas shielded arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85201640U true CN85201640U (en) | 1986-03-05 |
Family
ID=4797655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85201640 Ceased CN85201640U (en) | 1985-05-17 | 1985-05-17 | Suction fume welding gun for gas shielded arc welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85201640U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239431B (en) * | 2008-03-18 | 2010-06-23 | 南通三九焊接机器制造有限公司 | Diesel engine base, engine base frame automatically welding workstation |
| CN103567648A (en) * | 2012-08-02 | 2014-02-12 | 冯友新 | Multifunctional welding torch |
| CN108907529A (en) * | 2018-08-09 | 2018-11-30 | 南通恒利洋金属制品有限公司 | A kind of metallic conduit production steel pipe inner wall built-up welder |
| CN109877426A (en) * | 2019-04-17 | 2019-06-14 | 燕山大学 | A kind of stereo-circulation gas shielded arc welding plumb joint |
| CN110270747A (en) * | 2019-07-22 | 2019-09-24 | 苏州百斯顿环保科技有限公司 | The efficient flue dust filtration equipment for clarifying and smoke abatement technique of the servo-actuated lower pump drainage of high negative pressure |
| CN112008214A (en) * | 2020-08-07 | 2020-12-01 | 王丹丹 | Electric welding device for connecting steel bars in construction site |
| CN114833497A (en) * | 2022-04-29 | 2022-08-02 | 河北卓锐科技有限公司 | Self-adaptive cantilever type shielded welding machine assembly |
-
1985
- 1985-05-17 CN CN 85201640 patent/CN85201640U/en not_active Ceased
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239431B (en) * | 2008-03-18 | 2010-06-23 | 南通三九焊接机器制造有限公司 | Diesel engine base, engine base frame automatically welding workstation |
| CN103567648A (en) * | 2012-08-02 | 2014-02-12 | 冯友新 | Multifunctional welding torch |
| CN108907529A (en) * | 2018-08-09 | 2018-11-30 | 南通恒利洋金属制品有限公司 | A kind of metallic conduit production steel pipe inner wall built-up welder |
| CN109877426A (en) * | 2019-04-17 | 2019-06-14 | 燕山大学 | A kind of stereo-circulation gas shielded arc welding plumb joint |
| CN109877426B (en) * | 2019-04-17 | 2020-06-16 | 燕山大学 | Three-dimensional surrounding gas shielded welding joint |
| CN110270747A (en) * | 2019-07-22 | 2019-09-24 | 苏州百斯顿环保科技有限公司 | The efficient flue dust filtration equipment for clarifying and smoke abatement technique of the servo-actuated lower pump drainage of high negative pressure |
| CN112008214A (en) * | 2020-08-07 | 2020-12-01 | 王丹丹 | Electric welding device for connecting steel bars in construction site |
| CN114833497A (en) * | 2022-04-29 | 2022-08-02 | 河北卓锐科技有限公司 | Self-adaptive cantilever type shielded welding machine assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |
Termination date: 19860917 |
|
| CE01 | Termination of patent right |