CN202701573U - Longitudinal welded pipe on-line carbon dioxide arc welding apparatus - Google Patents
Longitudinal welded pipe on-line carbon dioxide arc welding apparatus Download PDFInfo
- Publication number
- CN202701573U CN202701573U CN 201220220952 CN201220220952U CN202701573U CN 202701573 U CN202701573 U CN 202701573U CN 201220220952 CN201220220952 CN 201220220952 CN 201220220952 U CN201220220952 U CN 201220220952U CN 202701573 U CN202701573 U CN 202701573U
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- overcoat
- outer sleeve
- conducting rod
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Abstract
A longitudinal welded pipe on-line carbon dioxide arc welding apparatus is characterized in that a conduction portion of welding current is composed of a contact tip, a lower conducting rod and an upper conducting rod, a nozzle outer sleeve is disposed at a front part of a nozzle inner sleeve, the nozzle outer sleeve is provided with a water outlet pipe and a water inlet pipe, an outer sleeve is disposed at a rear part of the nozzle inner sleeve, an imitation conical-body outer sleeve is disposed in the outer sleeve, a carbon dioxide gas protection chamber which has a gas chamber structure formed by an upper cooling water jacket, a lower cooling water jacket and a middle part is formed, an insulation bushing and a copper wire netting are disposed between the outer sleeve and the imitation conical-body outer sleeve, a rear end of the outer sleeve is provided with an insulation briquetting and a back cap, an air inlet pipe is disposed on the outer sleeve, a water outlet pipe and a water inlet pipe are disposed on a rear end of the imitation conical-body outer sleeve, a water outlet connection pipe and a water inlet connection pipe are disposed on an exterior of the upper conducting rod, and a nut is disposed on a rear end of the upper conducting rod. According to the apparatus, stability of a welding process is ensured, and high-quality welding lines are obtained; and the apparatus has the characteristics of using open arc welding, being excellent in welding pool visibility, and being suitable for omnibearing welding.
Description
Technical field
The utility model relates to a kind of installation for welding, particularly the online carbon dioxide gas arc welding welder of a kind of ERW.
Background technology
At present, domestic to steel pipes with straight welding tradition employing spiral submerged arc welded or high-frequency resistance welding (HFRW), adopt the spiral submerged arc welded welded still pipe to have that weld seam is long, the heat affected area is large, use at petroleum and petrochemical industry is very restricted, and the spiral submerged arc welded welded still pipe especially can more demonstrate the defective of its existence in the use of steel pipe made of high-strength steel manufacturing.
Summary of the invention
The utility model has overcome the defective of above-mentioned existence, and purpose is to satisfy the demand of petroleum and petrochemical industry and steel pipe made of high-strength steel manufacturing for solving the steel pipes with straight welding, provides a kind of ERW online carbon dioxide gas arc welding welder.
The online carbon dioxide gas arc welding welder of the utility model ERW content Description:
The online carbon dioxide gas arc welding welder of the utility model ERW; it is characterized in that: be by ignition tip; the nozzle overcoat; outlet pipe; the nozzle inner sleeve; lower conducting rod; overcoat; imitative bullet overcoat; insulating bushing; water outlet is taken over; air inlet pipe; air chamber; insulation pressing; back of the body cap; outlet pipe; upper conducting rod; water inlet pipe; the water inlet tube connector; copper mesh; water inlet pipe and nut consist of; by ignition tip; lower conducting rod; upper conducting rod consists of the conduction portion of welding current; be provided with the nozzle overcoat in the front portion of nozzle inner sleeve; nozzle puts outward and is provided with outlet pipe and water inlet pipe; rear portion in the nozzle inner sleeve is provided with overcoat; in overcoat, be provided with imitative bullet overcoat; formation is by up and down cooling jacket and the middle CO 2 gas-shielded chamber that forms air chamber structure; between overcoat and imitative bullet overcoat, be provided with insulating bushing and copper mesh; the rear end of overcoat is provided with insulation pressing and back of the body cap; put outward and be provided with air inlet pipe; the rear end of imitative bullet overcoat is provided with outlet pipe and water inlet pipe; upper conducting rod outside is provided with water outlet adapter and water inlet tube connector, and the rear end of upper conducting rod is provided with nut.
The utility model is a kind of solder technology take carbon dioxide as protective medium, has guaranteed the stability of welding process, obtains high-quality weld seam; have: open arc welding; the molten bath observability is good, is fit to comprehensive welding, can realize with production system the automatic control of production process.Electric arc heat under the compression of air-flow is concentrated, and welding pool and heat affected area are little, distortion and the little characteristics of crackle tendency.
Description of drawings
Fig. 1 is the online carbon dioxide gas arc welding welder of ERW structural representation;
Among the figure: the 1st, ignition tip, the 2nd, nozzle overcoat, 3 are first outlet pipes, the 4th, nozzle inner sleeve, the 5th, lower conducting rod, the 6th, overcoat, the 7th, imitative bullet overcoat, the 8th, insulating bushing, the 9th, water outlet adapter, the 10th, air inlet pipe, the 11st, air chamber, the 12nd, insulation pressing, the 13rd, back of the body cap, 14 is second outlet pipes, the 15th, and upper conducting rod, 16 is first water inlet pipes, the 17th, advances water tube connector, the 18th, and copper mesh, 19 is second water inlet pipes, the 20th, nut.
The specific embodiment
The online carbon dioxide gas arc welding welder of the utility model ERW is achieved in that to do below in conjunction with accompanying drawing and specifies.
See Fig. 1; the online carbon dioxide gas arc welding welder of ERW; by ignition tip 1; nozzle overcoat 2; the first outlet pipe 3; nozzle inner sleeve 4; lower conducting rod 5; overcoat 6; imitative bullet overcoat 7; insulating bushing 8; water outlet takes over 9; air inlet pipe 10; air chamber 11; insulation pressing 12; back of the body cap 13; the second outlet pipe 14; upper conducting rod 15; the first water inlet pipe 16; water inlet tube connector 17; copper mesh 18; the second water inlet pipe 19 and nut 20 consist of; by ignition tip 1; lower conducting rod 5; upper conducting rod 15 consists of the conduction portion of welding current; be provided with nozzle overcoat 2 in the front portion of nozzle inner sleeve 4; nozzle overcoat 2 is provided with the first outlet pipe 3 and the first water inlet pipe 16; be provided with overcoat 6 at the rear portion of nozzle inner sleeve 4; in overcoat 6, be provided with imitative bullet overcoat 7; formation is by up and down cooling jacket and the middle CO 2 gas-shielded chamber that forms air chamber 11 structures; between overcoat 6 and imitative bullet overcoat 7, be provided with insulating bushing 8 and copper mesh 18, isolate by heat-resistant insulation material.The rear end of overcoat 6 is provided with insulation pressing 12 and back of the body cap 13, overcoat 6 is provided with air inlet pipe 10, the rear end of imitative bullet overcoat 7 is provided with the second outlet pipe 14 and the second water inlet pipe 19, and upper conducting rod 15 outsides are provided with water outlet adapter 9 and water inlet tube connector 17, and the rear end of upper conducting rod 15 is provided with nut 20.Welding wire passes from lower conducting rod 5 and upper conducting rod 15; stretched out by ignition tip 1; form electric arc behind the plugged and implement welding; carbon dioxide enters air chamber 11 by air inlet pipe 10; eject circular protect gas reservoir after forming certain pressure; protection electric arc and welding region are not subjected to the intrusion of extraneous gas, and water cooling is divided into the cooling of nozzle overcoat 2 and upper conducting rod 15.Welding gun is installed on the conduction barral of a gun of cantilever, can implement automatically to regulate in certain space under artificial or automatic control.
The utility model is a kind of solder technology take carbon dioxide as protective medium; in welding process, directly rely on carbon dioxide around electric arc, to form the gas shield layer; prevent from being harmful to the gas intrusion in molten drop and molten bath; guaranteed the stability of welding process; obtain high-quality weld seam, have: open arc welding, the molten bath observability is good; be fit to comprehensive welding, can realize with production system the automatic control of production process.Electric arc heat under the compression of air-flow is concentrated, and welding pool and heat affected area are little, and distortion and crackle tendency are little, can obtain preferably welding quality if add suitable inert gas in welding process when welding alloy steel and high-strength steel.
Claims (1)
1. online carbon dioxide gas arc welding welder of ERW; it is characterized in that: be by ignition tip (1); nozzle overcoat (2); the first outlet pipe (3); nozzle inner sleeve (4); lower conducting rod (5); overcoat (6); imitative bullet overcoat (7); insulating bushing (8); (9) are taken in water outlet; air inlet pipe (10); air chamber (11); insulation pressing (12); back of the body cap (13); the second outlet pipe (14); upper conducting rod (15); the first water inlet pipe (16); water inlet tube connector (17); copper mesh (18); the second water inlet pipe (19) and nut (20) consist of; by ignition tip (1); lower conducting rod (5); upper conducting rod (15) consists of the conduction portion of welding current; be provided with nozzle overcoat (2) in the front portion of nozzle inner sleeve (4); nozzle overcoat (2) is provided with the first outlet pipe (3) and the first water inlet pipe (16); be provided with overcoat (6) at the rear portion of nozzle inner sleeve (4); in overcoat (6), be provided with imitative bullet overcoat (7); formation is by up and down cooling jacket and the middle CO 2 gas-shielded chamber that forms air chamber (11) structure; between overcoat (6) and imitative bullet overcoat (7), be provided with insulating bushing (8) and copper mesh (18); the rear end of overcoat (6) is provided with insulation pressing (12) and back of the body cap (13); overcoat (6) is provided with air inlet pipe (10); the rear end of imitative bullet overcoat (7) is provided with the second outlet pipe (14) and the second water inlet pipe (19); upper conducting rod (15) outside is provided with water outlet and takes over (9) and water inlet tube connector (17), and the rear end of upper conducting rod (15) is provided with nut (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220220952 CN202701573U (en) | 2012-05-17 | 2012-05-17 | Longitudinal welded pipe on-line carbon dioxide arc welding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220220952 CN202701573U (en) | 2012-05-17 | 2012-05-17 | Longitudinal welded pipe on-line carbon dioxide arc welding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701573U true CN202701573U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220220952 Expired - Lifetime CN202701573U (en) | 2012-05-17 | 2012-05-17 | Longitudinal welded pipe on-line carbon dioxide arc welding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701573U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708182A (en) * | 2015-02-26 | 2015-06-17 | 无锡奇能焊接系统有限公司 | Welding device for internally-clad stainless steel tube of clad steel plate |
| CN105252124A (en) * | 2015-06-20 | 2016-01-20 | 郑来植 | GMA welding contact tip having bushing |
| CN106363285A (en) * | 2016-12-06 | 2017-02-01 | 上海永言特种材料研究所 | Improved welding gun |
| CN110146893A (en) * | 2019-05-27 | 2019-08-20 | 南昌航空大学 | A kind of integral type detecting device for welding joint position based on binaural effect |
-
2012
- 2012-05-17 CN CN 201220220952 patent/CN202701573U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708182A (en) * | 2015-02-26 | 2015-06-17 | 无锡奇能焊接系统有限公司 | Welding device for internally-clad stainless steel tube of clad steel plate |
| CN105252124A (en) * | 2015-06-20 | 2016-01-20 | 郑来植 | GMA welding contact tip having bushing |
| CN106363285A (en) * | 2016-12-06 | 2017-02-01 | 上海永言特种材料研究所 | Improved welding gun |
| CN106363285B (en) * | 2016-12-06 | 2019-10-11 | 上海永言特种材料研究所 | A kind of improved welding gun |
| CN110146893A (en) * | 2019-05-27 | 2019-08-20 | 南昌航空大学 | A kind of integral type detecting device for welding joint position based on binaural effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |