CN2124097U - Conductive nozzle for gas shielded metal-arc welding - Google Patents
Conductive nozzle for gas shielded metal-arc welding Download PDFInfo
- Publication number
- CN2124097U CN2124097U CN 92223709 CN92223709U CN2124097U CN 2124097 U CN2124097 U CN 2124097U CN 92223709 CN92223709 CN 92223709 CN 92223709 U CN92223709 U CN 92223709U CN 2124097 U CN2124097 U CN 2124097U
- Authority
- CN
- China
- Prior art keywords
- hole
- arc welding
- welding
- arc
- conductive nozzle
- Prior art date
- 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.)
- Granted
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Abstract
The utility model provides a conductive nozzle for gas shielded metal-arc welding, which belongs to an element for arc-welding equipment. The utility model is characterized in that the front end of the conductive nozzle is provided with a concave cambered surface; the hole diameters of center through holes which are variable diameter holes are gradually increased from a front end to a back end. The length of arcs can be kept enough because of the function of the concave cambered surface of the conductive nozzle for gas shielded metal-arc welding; the flashback of the arcs can be blocked by compressed gases which are generated by the concave cambered surface in the process of gas shielded metal-arc welding, and the phenomenon of cementing between welding wires and the conductive nozzle can be effectively prevented; variable diameter holes are adopted by the center through holes, the electric currents can be uniformly conducted, and the arcs are stable; the problem that people can be scratched and pricked by the welding wires is solved. The use is reliable, and the service life is enhanced.
Description
The gas metal-arc welding conduction is chewed, and belongs to the arc-welding equipment element.
It is straight end face that existing gas shielded arc welding conduction is chewed it anterior, and central through hole is circular straight hole.The shortcoming that exists in the use is that to form electric arc easily too short and flash back, and makes welding wire and conduction chew bonding.Owing to be straight hole, make wire-feeder resistance bigger, easy to wear, and welding wire takes place easily scratch and penetrate inner hole wall and cause the wire feed procedure fault.
The purpose of this utility model is to overcome weak point of the prior art, and provides a kind of wire-feeder resistance little, and the difficult gas metal-arc welding conduction that the wire feed procedure fault such as bonds, scratches, penetrates is chewed.
The purpose of this utility model realizes by following measure: at the outer surface front end is the circular cone table top; middle one-tenth is the face of cylinder; the rear portion has connecting thread; during the gas shielded arc welding conduction that the center is provided with through hole is chewed; the front end face middle part that conduction is chewed is the cambered surface of indent, the reducing hole of the aperture of central through hole for being increased gradually by front end to rear end.
The utility model technical solution more specifically is: the cancave cambered surface that conduction is chewed front end face is interior concaved circular cambered surface, conduction is chewed centre bore and is divided into three sections, anterior one section is circular straight hole, the center is a round taper hole for one section, the rear portion is a curved hole for one section, and its curved hole section can be to rotate the surface of revolution hole that forms around the hole central axis by hyperbola.
Accompanying drawing is the main cutaway view that this conduction is chewed
Provide the utility model embodiment and be described further below in conjunction with accompanying drawing.
Accompanying drawing has been represented the structure that this conduction is chewed, its outer shape is: the front portion is the circular cone bench-type, the centre is cylindric, the rear portion has the screw thread that is used to connect, and its anterior front end face is provided with the arc surface (1) of indent, and the central through hole that conduction is chewed is the reducing hole that the aperture increases gradually by front portion to rear end, and be divided into three sections, anterior one section is circular straight hole (2), and middle one section is round taper hole (3), and the rear portion is curved hole (4) for one section.
The utility model is owing to chew front end in conduction one inner concave arc surface is set, thereby makes electric arc keep enough length, and the flashing back of the Compressed Gas electric arc capable of blocking that arc surface produces in the welding process, and prevented that effectively welding wire and conduction from chewing the generation of bonding phenomenon.Because central through hole adopts reducing hole piecemeal, increased the conduction uniformity of conductive region again, made arc stability, improved the First Pass Yield of welding wire, solved irregularity welding wire head and scratched and penetrate the inner hole wall problem of chewing of conducting electricity.Compared with prior art, use more reliably, the life-span improves greatly.
Claims (3)
1, a kind of gas metal-arc welding conduction is chewed; its outer surface front portion is the circular cone table top; the centre is the face of cylinder; the rear portion has connecting thread; the center that conduction is chewed is provided with and is used for the hole that welding wire passes through; it is characterized in that conducting electricity the front end face middle part of chewing is that the cambered surface of indent (1), the aperture of central through hole are the reducing holes that is increased gradually by front end to rear end.
2, gas metal-arc welding conduction according to claim 1 is chewed; the cambered surface (1) that it is characterized in that indent is arc surface, and central through hole is divided into three sections, and anterior one section is circular straight hole (2); middle one section is round taper hole (3), and the rear portion is curved hole (4) for one section.
3, chew according to claim 1 and 2 described gas metal-arc welding conductions, the one section curved hole (4) that it is characterized in that the rear portion is to rotate the surface of revolution hole that forms around the hole central axis by hyperbola.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92223709 CN2124097U (en) | 1992-05-29 | 1992-05-29 | Conductive nozzle for gas shielded metal-arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92223709 CN2124097U (en) | 1992-05-29 | 1992-05-29 | Conductive nozzle for gas shielded metal-arc welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2124097U true CN2124097U (en) | 1992-12-09 |
Family
ID=4966337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92223709 Granted CN2124097U (en) | 1992-05-29 | 1992-05-29 | Conductive nozzle for gas shielded metal-arc welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2124097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102105255A (en) * | 2008-07-30 | 2011-06-22 | 弗罗纽斯国际有限公司 | Method and device for forming the welding wire end |
-
1992
- 1992-05-29 CN CN 92223709 patent/CN2124097U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102105255A (en) * | 2008-07-30 | 2011-06-22 | 弗罗纽斯国际有限公司 | Method and device for forming the welding wire end |
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Legal Events
| 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 |