CN2101551U - Self-cold type co2 gas protector welding gun - Google Patents
Self-cold type co2 gas protector welding gun Download PDFInfo
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- CN2101551U CN2101551U CN 91227264 CN91227264U CN2101551U CN 2101551 U CN2101551 U CN 2101551U CN 91227264 CN91227264 CN 91227264 CN 91227264 U CN91227264 U CN 91227264U CN 2101551 U CN2101551 U CN 2101551U
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- cooling tube
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Abstract
The utility model discloses a self-cold type carbon dioxide gas protector welding gun. A gun body comprises an electric conduction joint (2), a cooling tube (3), a sealed tube (4), an insulating tube (5), an insulating sleeve (6), an electric conduction connecting bar (7), an injecting nozzle (8) and a welding wire outlet tube (9). While in welding, high-temperature heat on the gun body is carried away by carbon dioxide gas passing through a screw thread passageway on the external wall of the cooling tube (3), and simultaneously the carbon dioxide gas is heated up, so the continuous welding of the welding gun can be ensured, and the welding quality of the work pieces is also ensured. The utility model has the advantage of scientific and reasonable structural design, which is suitable for welding metal work pieces in shipbuilding, mechanical processing, railways machine, mining machinery, petrochemical industry, automobile industry, etc.
Description
The welding gun that the utility model uses when relating to the metal works welding.
The industrial CO that generally uses is the gooseneck type natural cooling type, and as PANASONIC 505K CO, the type of cooling of this welding gun is that the environment temperature when utilizing welding is cooled off the rifle body.The high temperature that produces during welding passes on the rifle body and the small of the stock, and depending merely on air in the site environment, to come the nature cooling be far from being enough.Rifle body temperature when welding rises very fast, and very high, generally speaking, continuous sequence one hour, rifle body temperature degree surpasses 100 ℃, because the small of the stock and rifle body connect together, so the temperature of the small of the stock also can be very high, generally reach more than 80 ℃, this just makes troubles to operating personnel, the hand-held gun handle, and hot sensation is clearly, thereby the influence operation influences welding quality.As welded two hours, because of the difficulty of dispelling the heat, welding gun will be burnt out by high temperature, so this welding gun can not be applicable to continued operation.A kind of water-cooled CO is arranged in addition, and its type of cooling is to set up water pot and water pump outside welding gun, by water cooling rifle body; increased optional equipment like this; make troubles to operation, use 80 ℃ of two hours rifle body temperature Du Keda, so do not adopted by users.
Carbon dioxide temperature at normal temperatures is very low, when using the plain edition CO to weld, needs firing equipment, and carbon dioxide is heated, and can weld.But the high temperature that this welding gun produces when welding is transmitted on the rifle body, and temperature is that straight line rises, and its rifle body limiting temperature is 200 ℃, when rifle body temperature degree reaches 200 ℃, just can not continue to have welded, so this welding gun can not continuous operation.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, provide a kind of self cooling rifle body that need not add cooling device and carbon dioxide firing equipment, self heating carbon dioxide, welding gun can not burnt out by high temperature, and can continuous sequence, high efficiency, can guarantee the novel self-cooled CO of welding quality.
Task of the present utility model is achieved in that this welding gun is by the small of the stock and rifle body assembly.The rifle body by conduction connector, cooling tube, sealed tube, insulation tube, insulation sleeve, conduction connecting rod, nozzle, go out the welding wire pipe and form.One end of rifle body inserts (the conduction connector is whole in the small of the stock) in the small of the stock.The rifle body is gooseneck shaped.Cooling tube, sealed tube, insulation tube from inside to outside, are cooling tube, sealed tube, insulation tube with coaxial package successively.Sealed tube and cooling tube one end insert in the conduction connector (be coaxial), conduct electricity connector and insulation tube end face near.The cooling tube other end inserts conduction connecting rod (being coaxial), and with welding cooling tube is connected with the conduction connecting rod with sealed tube.Conduction connecting rod skin puts insulation sleeve (for coaxial), goes out the welding wire pipe and conducts electricity connecting rod to be threaded insulation sleeve overcoat top nozzle (being coaxial).The cooling tube of rifle body portion, sealed tube, insulation tube become gooseneck shaped with same radius of curvature simmering and bending, are convenient to the welding operation.
The outer wall of cooling tube processes the screw-like passage, and processes four uniform apertures at an end that is connected with the conduction connecting rod.The conduction connecting rod with go out the end that the welding wire pipe is connected on be provided with gas vent.Process the carbon dioxide exit passageway below the conduction connector, this passage communicates with screw channel on the cooling tube outer wall.The gas feed passage of carbon dioxide self-conductance electrical connector enters, behind the screw channel on the cooling tube outer wall, enter four uniform apertures, enter the conduction connecting rod then, gas vent from the conduction connecting rod flows out, after nozzle ejection carbon dioxide.
When working condition, the gas feed passage of carbon dioxide self-conductance electrical connector below enters, and through the screw channel on the cooling tube outer wall, conduction connecting rod, to the gas of nozzle ejection, has been heated carbon dioxide; At the same time carbon dioxide in screw channel by the time also cooled off cooling tube, sealed tube, insulation tube, the rifle body can not take place high hot because of the high temperature conduction that when welding produces, under the normal temperature, rifle body temperature degree generally is stabilized in about 40 ℃, so just helps operation.Because carbon dioxide is to supply with continuously, the high temperature that produces during welding constantly is cooled and takes rifle body (carbon dioxide of ejection has been heated) out of, like this, rifle body temperature degree is stable substantially, welding gun can not burnt out by high temperature, so can continuous operation, improved operating efficiency, and the welding quality of workpiece can be guaranteed also.In the cooling tube and go out in the welding wire pipe to walk welding wire.
The small of the stock of this welding gun and insulation tube adopt plastic material, and insulation sleeve adopts bakelite and copper material material, and other parts adopt copper material material.
The drawing of accompanying drawing is described as follows:
Fig. 1 is the structural representation of self-cooled CO.Among the figure: (1) small of the stock, (2) conduction connector, (3) cooling tube, (4) sealed tube, (5) insulation tube, (6) insulation sleeve, (7) conduction connecting rod, (8) nozzle, (9) go out the welding wire pipe.(a) gas feed, (b) gas vent, (L) gas feed passage, (H) screw channel, (φ) air admission hole.
Fig. 2 is the structural representation of cooling tube among Fig. 1 (3).Among the figure: (M) trapezoidal thread, (φ) air admission hole.
The utility model is described in further detail as follows in conjunction with the accompanying drawings:
This welding gun is by the small of the stock (1) and rifle body assembly.The rifle body by conduction connector (2), cooling tube (3), sealed tube (4), insulation tube (5), insulation sleeve (6), conduction connecting rod (7), nozzle (8), go out welding wire pipe (9) and form.One end of rifle body inserts (conduction connector (2) is whole in the small of the stock) in the small of the stock (1).The rifle body is gooseneck shaped.Cooling tube (3), sealed tube (4), insulation tube (5) from inside to outside, are followed successively by cooling tube (3), sealed tube (4), insulation tube (5) with coaxial package.One end of cooling tube (3) and sealed tube (4) (right-hand member as shown in Figure 1) inserts in the conduction connector (2) (be coaxial), conduction connector (2) and insulation sleeve (6) end face near.The other end of cooling tube (3) (left end as shown in Figure 1) inserts in the conduction connecting rod (7) (being coaxial), and with welding cooling tube (3) is connected with conduction connecting rod (7) with sealed tube (4).Conduction connecting rod (7) skin puts insulation sleeve (6) (for coaxial), goes out welding wire pipe (9) and conducts electricity connecting rod (7) to be threaded the outer cover of insulation sleeve (6) top nozzle (8) (being coaxial).The cooling tube of rifle body portion (3), sealed tube (4), insulation tube (5) according to welding operation requirement, become gooseneck shaped (as shown in Figure 1) with same radius of curvature simmering and bending.
The outer wall of cooling tube (3) processes screw thread (M) shape, the preferred trapezoidal thread that adopts, and processing four uniform apertures (φ) with the end (left end in as Fig. 2) that is connected of conduction connecting rod (7), and bore dia is the 1--2.5 millimeter, preferably bore dia is 1.5 millimeters.Conduction connecting rod (7) with go out the end that welding wire pipe (9) is connected and be provided with gas vent (b).Below at conduction connector (2) processes carbon dioxide intake channel (L).
In the time of in working order, the route of flowing through of carbon dioxide is such: enter → gas feed passage (L) → screw channel (H) → air admission hole (φ) → conduction connecting rod (7) → nozzle (8) ejection from gas feed (a).Because carbon dioxide is to connect to supply with, during duty, constantly the be cooled carbon dioxide cooling of flowing through in the screw channel (H) on pipe (3) outer wall and take the rifle body out of of heat of high temperature on the rifle body, rifle body temperature degree is stable basically like this, and at normal temperatures, rifle body temperature degree is generally about 40 ℃, the high temperature that welding gun produces in the time of can not welded burns out, therefore can continuous sequence, operating efficiency is improved, and welding quality also can guarantee.
This welding gun scientific structure design is reasonable, is applicable to the metal works welding of industries such as shipbuilding, machining, railway machinery, mining machinery, petrochemical industry and automobile making.
The utility model has following characteristics compared to existing technology:
The high temperature that produces when 1, the small of the stock and rifle body can not welded burns out, but continuous sequence, high efficiency, welding quality can guarantee.
2, because rifle body temperature degree is low, temperature rise is stable, improve welder's operating condition, improved work efficiency.
3, save cooling equipment or the heating carbon dioxide equipment of setting up, reduced expense, Save the energy, made things convenient for operation.
4, it is unimpeded to advance carbon dioxide, can not advance that carbon dioxide difficulty or carbon dioxide leak and the quality that affects gas shielded arc welding.
Claims (5)
1, a kind of self-cooled CO that is used for the metal works welding, by the small of the stock (1) and rifle body assembly, the rifle body by conduction connector (2), cooling tube (3), sealed tube (4), insulation tube (5), insulation sleeve (6), conduction connecting rod (7), nozzle (8), go out welding wire pipe (9) and form, it is characterized in that: cooling tube (3), sealed tube (4), insulation tube (5) are with coaxial package, from inside to outside, be followed successively by cooling tube (3), sealed tube (4), insulation tube (5); One end of cooling tube (3) and sealed tube (4) inserts in the conduction connector (2) (be coaxial), conduction connector (2) and insulation tube (6) end face near; Cooling tube (3) other end inserts in the conduction connecting rod (7) (being coaxial), and with welding with cooling tube (3) and sealed tube (4) with conduct electricity connecting rod (7) and be connected, conduction connecting rod (7) skin puts insulation sleeve (6) (for coaxial), go out welding wire pipe (9) and conduct electricity connecting rod (7) to be threaded insulation sleeve (6) overcoat top nozzle (8).
2, welding gun according to claim 1 is characterized in that: the outer wall of cooling tube (3) is provided with screw thread, preferably adopts trapezoidal thread.
3, welding gun according to claim 1 is characterized in that: an end of cooling tube (3) is provided with four uniform air admission holes (φ).
4, welding gun according to claim 3 is characterized in that: the bore dia of the air admission hole (φ) on the cooling tube (3) is the 1--2.5 millimeter, preferably adopts 1.5 millimeters.
5, welding gun according to claim 1 is characterized in that: cooling tube (3) is selected copper material material for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91227264 CN2101551U (en) | 1991-10-29 | 1991-10-29 | Self-cold type co2 gas protector welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91227264 CN2101551U (en) | 1991-10-29 | 1991-10-29 | Self-cold type co2 gas protector welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2101551U true CN2101551U (en) | 1992-04-15 |
Family
ID=4933182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91227264 Granted CN2101551U (en) | 1991-10-29 | 1991-10-29 | Self-cold type co2 gas protector welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2101551U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7462803B2 (en) | 2002-10-08 | 2008-12-09 | Fronius International Gmbh | Disconnection box for a robot system |
| CN101528405B (en) * | 2006-11-28 | 2012-07-18 | 梅塞尔集团有限公司 | Welding torch for gas-shielded welding |
| CN105312734A (en) * | 2014-07-31 | 2016-02-10 | 张建生 | Welding gun for protecting carbon dioxide gas |
| CN106041275A (en) * | 2016-07-25 | 2016-10-26 | 昆山华恒焊接股份有限公司 | Welding wire preheating gun |
| CN107116285A (en) * | 2017-04-28 | 2017-09-01 | 四川玛瑞焊业发展有限公司 | A kind of improved CO2Arc welding nozzle arrangements |
-
1991
- 1991-10-29 CN CN 91227264 patent/CN2101551U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7462803B2 (en) | 2002-10-08 | 2008-12-09 | Fronius International Gmbh | Disconnection box for a robot system |
| CN100537109C (en) * | 2002-10-08 | 2009-09-09 | 弗罗纽斯国际有限公司 | Disconnection box for a robot system |
| CN101528405B (en) * | 2006-11-28 | 2012-07-18 | 梅塞尔集团有限公司 | Welding torch for gas-shielded welding |
| CN105312734A (en) * | 2014-07-31 | 2016-02-10 | 张建生 | Welding gun for protecting carbon dioxide gas |
| CN106041275A (en) * | 2016-07-25 | 2016-10-26 | 昆山华恒焊接股份有限公司 | Welding wire preheating gun |
| CN107116285A (en) * | 2017-04-28 | 2017-09-01 | 四川玛瑞焊业发展有限公司 | A kind of improved CO2Arc welding nozzle arrangements |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |