CN214602440U - Improved double-side submerged arc welding device for small-caliber spiral welded pipe - Google Patents
Improved double-side submerged arc welding device for small-caliber spiral welded pipe Download PDFInfo
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- CN214602440U CN214602440U CN202022299352.5U CN202022299352U CN214602440U CN 214602440 U CN214602440 U CN 214602440U CN 202022299352 U CN202022299352 U CN 202022299352U CN 214602440 U CN214602440 U CN 214602440U
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Abstract
The utility model discloses a two-sided submerged arc welding set of modified small-bore spiral welded pipe, press the pole in the welding machine that has interior welding welder the interior depression bar top surface on through the pipe strap fixed setting one by micro motor driven spiral auger, the feed end of spiral auger is located interior depression bar middle part top surface top, the discharge end of spiral auger is located interior welding welder positive top, the welding flux is equipped with in the spiral auger, the welding flux drips the welding point department at interior welding welder through the discharge end of spiral auger. The utility model discloses can conveniently carry the solder flux, ensure welding operation reliable and stable.
Description
Technical Field
The utility model relates to a two-sided submerged arc welding device of modified small-bore spiral welded tube.
Background
The spiral welded pipe in China generally adopts double-sided submerged arc welding, the main welding materials are welding wires and welding flux, and the process is welding by burning electric arc under the welding flux layer. The submerged arc welding adopts double-sided welding in the production process of spiral seam steel pipes for ensuring the welding quality, the joint position of the edges of two side plates is formed by extruding the hot rolled strip steel through the inner pressure rod to weld, the position is just at the head position of the inner pressure rod, and the steel pipe is preliminarily formed at the position, so the space is limited, especially the relative space of the pipe wall close to the inner pressure rod is smaller when the small-caliber steel pipe is produced, and the welding flux can not flow to the welding point position by erecting a self-flowing pipeline.
At present, the welding requirement is realized mostly by adopting a plate edge bringing-in mode in China, but the plate edge bringing-in mode cannot stop the welding flux from scattering from the plate edge to a working platform of a forming machine, and the field environment cannot be maintained; in addition, because the welding spot is closer to the first roller of the inner pressing rod, part of the welding flux is rolled into foam, the recovery rate of the welding flux is reduced, and the cost is increased; and secondly, the phenomenon of board edge bounce often occurs when the board edges are occluded, in the case, the board edges with the flux are bounced by the bounced board, and the generation of welding defects is aggravated by the phenomenon of open arcs. The other mode is that through installing an tuber pipe additional in the appropriate position of solder flux conveying line, through the flow direction power of wind, take the solder flux to solder joint position top then fall to the solder joint position, the flow of solder flux can't be controlled to this kind of mode, the solder flux is blown off easily by wind when the wind is great when the solder joint top falls and is caused the open arc defect, the solder flux flow is not enough also causes the open arc defect easily when the wind is less, secondly the wind that uses adopts compressed air mostly, produce defects such as gas pocket because of insufficient dry solder flux easily wets in transportation process.
Disclosure of Invention
An object of the utility model is to provide a two-sided submerged arc welding device of modified small-bore spiral welded pipe can conveniently carry the solder flux, ensures that welding operation is reliable and stable.
The technical scheme for realizing the purpose is that the improved double-sided submerged arc welding device for the small-caliber spiral welded pipe comprises a welding machine inner pressure rod with an inner welding gun, a spiral auger driven by a micro motor is fixedly arranged on the top surface of the inner pressure rod through a pipe clamp, the feeding end of the spiral auger is positioned above the top surface of the middle part of the inner pressure rod, the discharging end of the spiral auger is positioned above the forward direction of the inner welding gun, a welding flux is arranged in the spiral auger, and the welding flux drips at the welding point of the inner welding gun through the discharging end of the spiral auger.
The device fundamentally avoids all defects caused by the fact that the welding flux is brought into the plate edge or conveyed by wind power in the prior art, and creates great advantages for spiral welded pipe production enterprises in the aspects of environment, cost, quality control and the like.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of the structure of the present invention.
Detailed Description
The utility model provides a two-sided submerged arc welding set of modified small-bore spiral welded pipe, as shown in figure 1, including the welder that has interior welding gun 7 press the pole 6 in interior pressure pole 6 top surface on fixed being provided with a spiral auger 4 by micro motor drive through the pipe strap, the feed end 5 of spiral auger 4 is located interior pressure pole 6 middle part top surface top, spiral auger 4's discharge end 2 is located interior welding gun 7 forward top, the welding flux 3 is equipped with in the spiral auger, during operation, welding flux 3 leans on the dead weight to drip at the welding point department of interior welding gun 7 through spiral auger's discharge end 2 for belted steel 8 is welded gradually and is constituted spiral welded pipe 1.
Claims (1)
1. The utility model provides a two-sided submerged arc welding set of modified minor-caliber spiral welded pipe, presses the pole including the welding machine that has interior welding welder, characterized by: the inner pressure rod top surface on through the pipe strap is fixed set up a spiral auger by micro motor drive, the feed end of spiral auger is located inner pressure rod middle part top surface top, the discharge end of spiral auger is located interior welding welder forward top, the welding flux is equipped with in the spiral auger, the welding flux drips the welding point department at interior welding welder through the discharge end of spiral auger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022299352.5U CN214602440U (en) | 2020-10-15 | 2020-10-15 | Improved double-side submerged arc welding device for small-caliber spiral welded pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022299352.5U CN214602440U (en) | 2020-10-15 | 2020-10-15 | Improved double-side submerged arc welding device for small-caliber spiral welded pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214602440U true CN214602440U (en) | 2021-11-05 |
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ID=78375559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022299352.5U Active CN214602440U (en) | 2020-10-15 | 2020-10-15 | Improved double-side submerged arc welding device for small-caliber spiral welded pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214602440U (en) |
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2020
- 2020-10-15 CN CN202022299352.5U patent/CN214602440U/en active Active
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