CN1605424A - Copper wire welding method used for welding torch tube of carbon dioxide welding device and welding torch tube structure welded thereby - Google Patents
Copper wire welding method used for welding torch tube of carbon dioxide welding device and welding torch tube structure welded thereby Download PDFInfo
- Publication number
- CN1605424A CN1605424A CNA2004100806989A CN200410080698A CN1605424A CN 1605424 A CN1605424 A CN 1605424A CN A2004100806989 A CNA2004100806989 A CN A2004100806989A CN 200410080698 A CN200410080698 A CN 200410080698A CN 1605424 A CN1605424 A CN 1605424A
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- China
- Prior art keywords
- torch head
- welding
- mentioned
- carbon dioxide
- copper
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- 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.)
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Classifications
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- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a jointing method and a structure of welding torch pipe being jointed by the method, which is jointed in the welding torch pipe with low fixed heat expansion coefficient formed by brass material and the copper with high fixed heat expansion coefficient formed by copper material softer than the brass, thereby transmitting current to the welding torch pipe smoothly when the copper is heated and expanded.
Description
Technical field
The present invention relates to carbon dioxide welding device, be particularly related to a kind ofly for avoiding supply gas to be subjected to high-temperature soldering heat impaired, connect to the method for the copper cash of torch head supply electric current and copper bar and with the carbon dioxide welding device of said method welding structure with torch head with lead welding with rubber tube (hose).
Background technology
As everyone knows, carbon dioxide welding device is to weld in inert gases such as carbon dioxide or argon, can not contacted with atmosphere by the welding rod melt metal, thereby can prevent the oxidized or nitrogenize of motlten metal.This carbon dioxide welding device is widely used in the welding of iron, aluminium, copper, stainless steel and special steel etc.
As shown in Figure 4, aforesaid carbon dioxide welding device is arranged on a pair of inside of cutting apart handle 8,8 that is made with the heat-resistant synthetic resin material, and possesses the torch head 1 that is made by brass material in its front fixing tip 2 usually.The rear of above-mentioned torch head 1 is provided with tube connector 3, can be to the rubber tube 4 of torch head 1 supply gas and be connected with on above-mentioned tube connector 3.
And, outer circumference surface at above-mentioned torch head 1 is wound with tens to hundreds of bar copper cash 5, and above-mentioned copper cash 5 is pressed abd fixed on the outer circumference surface of torch head 1 by the bar (hereinafter referred to as " copper bar 6 ") that is made with copper product, and the outside of above-mentioned copper cash 5 covers pipe 7 with rubber and encases.At this moment, above-mentioned copper cash 5 is to torch head 1 supply electric current, and formation spatial portion 100 between above-mentioned copper cash 5 and the copper cash 5.
But carbon dioxide welding device in the past is along the outer circumference surface of torch head 1, only compress with copper bar 6 and fixing fine copper wire 5, therefore the problem of existence is, when copper bar 6 is subjected to high thermal expansion, copper cash 5 is lax, causes phenomenon from electric current to above-mentioned torch head 1 that can not normally supply.
Promptly, by above-mentioned copper cash 5 when torch head 1 delivered current, because above-mentioned copper bar 6 is subjected to above-mentioned spatial portion 100 and high heat affecting and expands, thereby widen the space between above-mentioned torch head 1 and the copper bar 6, therefore above-mentioned torch head 1 becomes lax with contacting of copper cash 5, the supply instability of electric current, and because of the mobile resistance of electric current produces high heat in above-mentioned copper bar 6 parts, thereby the life-span of soldering apparatus shortened.
Summary of the invention
The present invention proposes in order to overcome problem as described above, its purpose is, provide a kind of copper cash welding method of the torch head that is used for carbon dioxide welding device and with the torch head structure of said method welding, it connects copper bar and copper cash with lead welding, thereby prevent that copper bar is subjected to the phenomenon of high thermal expansion, and make the electric current of supplying by copper cash become smooth and easy.
Another object of the present invention is to provide a kind of copper cash welding method of the torch head that is used for carbon dioxide welding device and with the torch head structure of said method welding, the rubber tube that it prevents supply gas is subjected to high-temperature soldering heat and impaired.
Another purpose of the present invention is to provide a kind of copper cash welding method of the torch head that is used for carbon dioxide welding device and with the torch head structure of said method welding, its can combine closely torch head, copper cash and copper bar.
Welding method of the present invention to achieve these goals is, be the above-mentioned torch head in the composed component of common carbon dioxide welding device and the welding method of copper cash and copper bar, this soldering apparatus is assembled tube connector and rubber tube successively on torch head, and the copper cash of the outer circumference surface of above-mentioned torch head is compressed by copper bar and fixing, be characterised in that, comprise: in water tank, fill cooling water, and place the step of the conduit that forms fixator in the upper surface of above-mentioned water tank; For above-mentioned rubber tube is immersed in the cooling water of above-mentioned water tank, in the said fixing device, insert the step of the copper bar of torch head; The end that above-mentioned torch head is contacted with copper bar contacts after the welding material, adds the step of thermal weld with blowtorch.
Description of drawings
Fig. 1 is the carbon dioxide welding device according to most preferred embodiment of the present invention, the schematic diagram of the method for welding welding-gun pipe and copper cash and copper bar.
Fig. 2 amplifies the schematic diagram that shows the welding method among Fig. 1.
Fig. 3 is the detailed structure schematic diagram with the torch head of the carbon dioxide welding device of the method welding of Fig. 1 and Fig. 2.
Fig. 4 is the structural representation according to the torch head of the carbon dioxide welding device of prior art.
Symbol description
1: torch head 3: tube connector
4: rubber tube 5: copper cash
6: copper bar 7: rubber covers pipe
9: water tank 10: conduit
10a: fixator 11: cooling water
12: plumbous 12a: welding material
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described.
In order to solve the problems of the technologies described above, will introduce a typical embodiment of the present invention in the detailed description below, and other embodiment that the enough the present invention of energy enumerate replaces with following explanation.Same-sign in the accompanying drawing refers to identical parts.
At first, the invention provides a kind of welding method and with the technological thought of the torch head structure of said method welding, it connects the copper cash that is fixed between torch head that the lower brass material of thermal coefficient of expansion is made and the copper bar that thermal coefficient of expansion is higher and the copper product more soft than brass is made with lead welding, thereby when copper bar is heated swollen rising, also electric current successfully can be delivered to torch head.
Promptly, the invention provides a kind of when connecing torch head and copper bar and copper cash with lead welding, the rubber tube that prevents to be bonded on tube connector is subjected to 500～900 ℃ the sweating heat of torch head and damaged, and can carry out the welding method that lead welding connects to above-mentioned parts, the torch head structure with the said method welding meanwhile is provided.The detailed formation of above-mentioned welding method and torch head just is readily appreciated that by embodiment described later.
Below most preferred embodiment of the present invention is elaborated, but the invention described above does not limit in an embodiment.
In addition, the welding method of the present invention that will illustrate below is to connect as the above-mentioned torch head of the inscape of above-mentioned carbon dioxide welding device and the method for copper cash and copper bar with lead welding, as shown in Figure 4, above-mentioned carbon dioxide welding device, on torch head, assemble tube connector and rubber tube successively, and the copper cash on the outer circumference surface of above-mentioned torch head compresses by copper bar and fixing.
[embodiment 1]
As shown in Figure 1, a side upper ends of water tank 9 forms the conduit 10 of " U " font fixator 10a regularly, and fills water or cooling water 11 in inside.
Afterwards, in each fixator 10a that above-mentioned conduit 10 forms, be inserted in the copper bar 6 that is fixed copper cash 5 on the outer circumference surface of torch head 1, afterwards, above-mentioned copper bar 6 hung on the fixator 10a, rubber is covered manage 7 and copper cash 5 be immersed in the cooling water 11.
Then, as shown in Figure 2, the end contact lead welding that above-mentioned copper bar 6 is contacted with torch head 1 connects after the material 12a, welds with blowtorch 13 heating.Thus, when above-mentioned copper bar 6 expanded, the lead of the welding material 12a that is fused was seeped between above-mentioned torch head 1 and the copper bar 6 and the spatial portion between the copper cash 5.At this moment, above-mentioned rubber covers pipe 7 and rubber tube 4 because of in the cooling water 11 that fully is immersed in water tank 9, thereby injury-free.
On the other hand, each element is finished in welding as stated above, then as shown in Figure 3, in the place that torch head 1 contacts with copper bar 6, its circumferential surface is encased by plumbous 12, and, flow into lead welding between above-mentioned torch head 1 and copper cash 5 and the copper bar 6 and connect material 12a hardening afterwards, thereby keep by plumbous 12 states of filling.According to above-mentioned formation, when torch head 1 was supplied electric current, above-mentioned copper bar 6 can not expand yet by copper cash 5, and the phenomenon that above-mentioned copper cash 5 relaxes can not take place yet.
As mentioned above, the invention has the advantages that, different from the rubber covering pipe that covers the copper cash outside, The rubber tube that lead welding connects after the inboard of copper cash is fixing is immersed in the water tank cooling water, and at this state Between welded pipe and copper bar, carry out lead welding down and connect, thereby prevent that rubber tube is because being subjected to high-temperature soldering heat Sustain damage.
In addition, the present invention connects torch head and copper bar and copper cash with lead welding, thereby prevents that copper bar is because being subjected to height Heat and swollen rising simultaneously also can make electric current successfully be delivered to torch head.
Claims (5)
1. one kind is used for the copper cash welding method that carbon dioxide welds the torch head of device, be the above-mentioned torch head in the composed component of common carbon dioxide welding device and the welding method of copper cash and copper bar, this soldering apparatus is assembled tube connector and rubber tube successively on torch head, and the copper cash on the outer circumference surface of above-mentioned torch head compresses by copper bar and fixing, it is characterized in that
Comprise: in water tank, fill cooling water, and the step of the conduit that forms fixator is set in the upper surface of above-mentioned water tank; For above-mentioned rubber tube is immersed in the cooling water of above-mentioned water tank, in the said fixing device, insert the step of the copper bar of torch head; The end that above-mentioned torch head is contacted with copper bar contacts after the welding material, adds the step of thermal weld with blowtorch.
2. the copper cash welding method that is used for the torch head of carbon dioxide welding device according to claim 1 is characterized in that,
In above-mentioned welding step, the fusing of above-mentioned welding material also is penetrated between above-mentioned torch head and copper cash and the copper bar and fills and finish welding.
3. a torch head that is used for carbon dioxide welding device is characterized in that it is welded by claim 1 or 2 described methods.
4. one kind is used for the structure that carbon dioxide welds the torch head of device, this soldering apparatus is for assembling tube connector and rubber tube successively on torch head, and at the copper cash of the outer circumference surface of above-mentioned torch head by the common carbon dioxide welding device that copper bar is fixed, it is characterized in that
In the place that above-mentioned torch head contacts with copper bar, encase by lead-burn around it.
5. the structure that is used for the torch head of carbon dioxide welding device according to claim 4 is characterized in that,
Filled by plumbous between above-mentioned torch head and copper cash and the copper bar.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0066796A KR100529551B1 (en) | 2003-09-26 | 2003-09-26 | Wellding torch |
| KR10-2003-0066796 | 2003-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1605424A true CN1605424A (en) | 2005-04-13 |
Family
ID=34545530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100806989A Pending CN1605424A (en) | 2003-09-26 | 2004-09-27 | Copper wire welding method used for welding torch tube of carbon dioxide welding device and welding torch tube structure welded thereby |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005103643A (en) |
| KR (1) | KR100529551B1 (en) |
| CN (1) | CN1605424A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100922342B1 (en) | 2007-08-29 | 2009-10-21 | 정흥술 | Torch head copper wire welding method of carbonic acid gas welding machine and the connection structure |
| KR101109631B1 (en) | 2009-09-22 | 2012-01-31 | 주식회사 동주웰딩 | Hand welding torch using carbon dioxide |
| KR101209229B1 (en) | 2010-12-02 | 2012-12-11 | 주식회사 그린웰텍 | Welding structure of connecting copper tube of torch head for carbon gas welder and electrical copper wires thereon and welding method thereof |
| CN103358065A (en) * | 2013-08-07 | 2013-10-23 | 苏州贝得科技有限公司 | Terminal stud welding protection device and method |
| KR101583224B1 (en) | 2014-04-15 | 2016-01-07 | 주식회사 세지 | Torch cable for welding |
| KR101962268B1 (en) * | 2017-09-26 | 2019-03-26 | (주)이지웰 | a connecting structure for wellding torch head |
-
2003
- 2003-09-26 KR KR10-2003-0066796A patent/KR100529551B1/en active IP Right Grant
-
2004
- 2004-09-24 JP JP2004278399A patent/JP2005103643A/en not_active Ceased
- 2004-09-27 CN CNA2004100806989A patent/CN1605424A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005103643A (en) | 2005-04-21 |
| KR20050030410A (en) | 2005-03-30 |
| KR100529551B1 (en) | 2005-11-22 |
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