CN104439591A - Connecting component for copper and stainless steel and welding method of connecting component - Google Patents
Connecting component for copper and stainless steel and welding method of connecting component Download PDFInfo
- Publication number
- CN104439591A CN104439591A CN201410723596.8A CN201410723596A CN104439591A CN 104439591 A CN104439591 A CN 104439591A CN 201410723596 A CN201410723596 A CN 201410723596A CN 104439591 A CN104439591 A CN 104439591A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- copper pipe
- copper
- steel tube
- welding
- 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.)
- Pending
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Classifications
-
- 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
- B23K1/008—Soldering within a furnace
-
- 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
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- 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
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
-
- 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
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Abstract
The invention relates to a connecting component for copper and stainless steel. The connecting component comprises a copper tube and a stainless steel tube, wherein a flaring is formed in the stainless steel tube and enables the mounting to be more convenient, a welding wire placing boss is also arranged on the stainless steel tube, and the welding wire placing boss is used for placing welding wires; the copper tube comprises a copper tube welding position which is in the shape of a polygon. A welding method of the connecting component for the copper and the stainless steel comprises the following steps: (1) processing spare parts; (2) disposing before welding; (3) assembling connectors, and adding brazing alloy; (4) welding.
Description
Technical field
The invention belongs to Welding technical field, specifically relate to a kind of copper and stainless steel coupling assembling and welding method thereof.
Background technology
At present in metal solder field, to the welding between stainless steel tube and copper pipe etc., great majority all adopt scaling powder to add the mode of gas brazing, namely between copper pipe and stainless steel tube, add solder add the thermal-flame of acetylene brazing filler metal melts with oxygen again, thus reach welding object, and will carry out welding follow-up cleaning, these welding manners have inefficiency, the shortcomings such as welding cost is high, welding surroundings difference.
Summary of the invention
The present invention mainly solves the technical problem existing for above-mentioned prior art, provides a kind of copper and stainless steel coupling assembling and welding method thereof.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of copper and stainless steel coupling assembling, comprise copper pipe and stainless steel tube, described stainless steel tube arranges enlarging, described enlarging makes easier for installation, described stainless steel tube is also arranged welding wire and place boss, described welding wire places boss for placing welding wire.
As preferably, described copper pipe comprises copper pipe welding position, and described copper pipe welding position is polygon.
The welding method of copper and stainless steel coupling assembling is: (1) parts machining: carry out machining to parts copper pipe and stainless steel tube; Copper pipe comprises copper pipe welding position, copper pipe welding position is polygon, stainless steel tube arranges enlarging, make easier for installation, and be convenient to control welded gaps (gap of copper pipe and stainless steel tube) remain on 0.05mm-0.20mm, ensure that the weld length of copper pipe and stainless steel part contact surface is at 3-15mm, guarantees weld strength; (2) pre-treatment is welded: respectively cleaning treatment is carried out to copper pipe and stainless steel tube; First parts are put into the cleaning fluid oil removing being added with metal surface degreaser, then carry out ultrasonic wave heated wash, the Ultrasonic Cleaning time is 20min-45min, then rinses with clear water, takes out dewatered drying stand-by; (3) joint assembling, solder is added: ring-type copper base solder and stainless steel tube are enclosed within copper pipe fitting end successively and stainless steel tube inner hole part is assembled; (4) weld: will copper base solder be placed with and the copper pipe assembled and stainless steel tube coupling assembling put into special brazing tooling; Band product frock is emitted on the conveying combustion flue of soldering oven, product is welded in protective gas, at the uniform velocity through preheating zone, the thermal treatment zone, heat preservation zone and cooling zone.Temperature is at 850-1060 DEG C, and the time controling in heat preservation zone is at 10-25 minute.
The beneficial effect that the present invention has: utilize copper base solder to replace silver-base solder and greatly reduce preparation cost, substantial saving in Precious Metals Resources; The solder technology of welding in controlled atmosphere furnace, does not need to weld post processing, decreases environmental pollution; Process for soldering of the present invention is reliable, steady quality, and productivity effect is high, economize energy, is applicable to batch production.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of coupling assembling of the present invention.
Fig. 2 is a kind of partial enlargement at I position in Fig. 1.
Fig. 3 is a kind of structural representation of copper pipe of the present invention.
Fig. 4 be in Fig. 3 A-A to a kind of structural representation.
In figure: 1, copper pipe; 2, stainless steel tube; 3, enlarging; 4, welding wire; 5, welding wire places boss; 5, copper pipe welding position.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: as shown in figures 1-4, a kind of copper and stainless steel coupling assembling, described copper pipe and stainless steel tube, described stainless steel tube arranges enlarging, described enlarging makes easier for installation, described stainless steel tube is also arranged welding wire and places boss, and described welding wire places boss for placing welding wire; Described copper pipe comprises copper pipe welding position, and described copper pipe welding position is polygon.
The welding method of copper and stainless steel coupling assembling is: (1) parts machining: carry out machining to parts copper pipe and stainless steel tube; Copper pipe comprises copper pipe welding position, copper pipe welding position is polygon, stainless steel tube arranges enlarging, make easier for installation, and be convenient to control welded gaps (gap of copper pipe and stainless steel tube) remain on 0.05mm-0.20mm, ensure that the weld length of copper pipe and stainless steel part contact surface is at 3-15mm, guarantees weld strength; (2) pre-treatment is welded: respectively cleaning treatment is carried out to copper pipe and stainless steel tube; First parts are put into the cleaning fluid oil removing being added with metal surface degreaser, then carry out ultrasonic wave heated wash, the Ultrasonic Cleaning time is 20min-45min, then rinses with clear water, takes out dewatered drying stand-by; (3) joint assembling, solder is added: ring-type copper base solder and stainless steel tube are enclosed within copper pipe fitting end successively and stainless steel tube inner hole part is assembled; (4) weld: will copper base solder be placed with and the copper pipe assembled and stainless steel tube coupling assembling put into special brazing tooling; Band product frock is emitted on the conveying combustion flue of soldering oven, product is welded in protective gas, at the uniform velocity through preheating zone, the thermal treatment zone, heat preservation zone and cooling zone.Temperature is at 850-1060 DEG C, and the time controling in heat preservation zone is at 10-25 minute.
The present invention utilizes copper base solder to replace silver-base solder and greatly reduces preparation cost, substantial saving in Precious Metals Resources; The solder technology of welding in controlled atmosphere furnace, does not need to weld post processing, decreases environmental pollution; Process for soldering of the present invention is reliable, steady quality, and productivity effect is high, economize energy, is applicable to batch production.
Finally, it should be pointed out that above embodiment is only the more representational example of the present invention.Obviously, the invention is not restricted to above-described embodiment, many distortion can also be had.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all should think and belong to protection scope of the present invention.
Claims (4)
1. copper and a stainless steel coupling assembling, comprise copper pipe and stainless steel tube, and described stainless steel tube arranges enlarging, and described enlarging makes easier for installation, described stainless steel tube also arranged welding wire and place boss, and described welding wire places boss for placing welding wire.
2. a kind of copper and stainless steel coupling assembling according to claim 1, it is characterized in that described copper pipe comprises copper pipe welding position, described copper pipe welding position is polygon.
3. a kind of copper and stainless steel coupling assembling according to claim 1, is characterized in that described welding wire is copper base solder.
4. use a welding method for the arbitrary described copper of claim 1 ~ 3 and stainless steel coupling assembling, it is characterized in that described welding method is:
(1) parts machining: machining is carried out to parts copper pipe and stainless steel tube; Copper pipe comprises copper pipe welding position, copper pipe welding position is polygon, stainless steel tube arranges enlarging, make easier for installation, and be convenient to control welded gaps (gap of copper pipe and stainless steel tube) remain on 0.05mm-0.20mm, ensure that the weld length of copper pipe and stainless steel part contact surface is at 3-15mm, guarantees weld strength;
(2) pre-treatment is welded: respectively cleaning treatment is carried out to copper pipe and stainless steel tube; First parts are put into the cleaning fluid oil removing being added with metal surface degreaser, then carry out ultrasonic wave heated wash, the Ultrasonic Cleaning time is 20min-45min, then rinses with clear water, takes out dewatered drying stand-by;
(3) joint assembling, solder is added: ring-type copper base solder and stainless steel tube are enclosed within copper pipe fitting end successively and stainless steel tube inner hole part is assembled;
(4) weld: will copper base solder be placed with and the copper pipe assembled and stainless steel tube coupling assembling put into special brazing tooling; Band product frock is emitted on the conveying combustion flue of soldering oven, product is welded in protective gas, at the uniform velocity through preheating zone, the thermal treatment zone, heat preservation zone and cooling zone.Temperature is at 850-1060 DEG C, and the time controling in heat preservation zone is at 10-25 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723596.8A CN104439591A (en) | 2014-12-03 | 2014-12-03 | Connecting component for copper and stainless steel and welding method of connecting component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723596.8A CN104439591A (en) | 2014-12-03 | 2014-12-03 | Connecting component for copper and stainless steel and welding method of connecting component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104439591A true CN104439591A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410723596.8A Pending CN104439591A (en) | 2014-12-03 | 2014-12-03 | Connecting component for copper and stainless steel and welding method of connecting component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104439591A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328297A (en) * | 2015-11-30 | 2016-02-17 | 含山瑞可金属有限公司 | Welding protection method, application and device |
| CN105583541A (en) * | 2016-01-26 | 2016-05-18 | 南京西百客汽车空调有限公司 | Welding process of two-device piping |
| CN112775573A (en) * | 2021-02-02 | 2021-05-11 | 杭州祥博传热科技股份有限公司 | Brazed red copper radiator processing technology and red copper radiator |
| CN113714580A (en) * | 2021-08-24 | 2021-11-30 | 李莲 | Microwave slot antenna welding structure and welding process thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050218196A1 (en) * | 2004-04-06 | 2005-10-06 | United Technolgies Corporation | Two tier brazing for joining copper tubes to manifolds |
| WO2006126931A1 (en) * | 2005-05-26 | 2006-11-30 | Alfa Laval Corporate Ab | Method for soldering together two surfaces and a device comprising two surfaces soldered together |
| CN101279394A (en) * | 2008-05-20 | 2008-10-08 | 陈雪辉 | Method for welding thin wall stainless steel tube and copper pipe piece |
| CN102528193A (en) * | 2011-12-30 | 2012-07-04 | 刘字冬 | Copper and stainless steel brazing process |
| CN102853512A (en) * | 2011-10-09 | 2013-01-02 | 浙江三花制冷集团有限公司 | Gas collecting tube assembly, combination method thereof and air conditioning system |
| CN103042285A (en) * | 2012-12-20 | 2013-04-17 | 宁波市锦泰橡塑有限公司 | Vacuum welding method of oxygen-free copper and stainless steel body |
| CN204308363U (en) * | 2014-12-03 | 2015-05-06 | 嵊州市新起点焊接科技有限公司 | A kind of copper and stainless steel coupling assembling |
-
2014
- 2014-12-03 CN CN201410723596.8A patent/CN104439591A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050218196A1 (en) * | 2004-04-06 | 2005-10-06 | United Technolgies Corporation | Two tier brazing for joining copper tubes to manifolds |
| WO2006126931A1 (en) * | 2005-05-26 | 2006-11-30 | Alfa Laval Corporate Ab | Method for soldering together two surfaces and a device comprising two surfaces soldered together |
| CN101279394A (en) * | 2008-05-20 | 2008-10-08 | 陈雪辉 | Method for welding thin wall stainless steel tube and copper pipe piece |
| CN102853512A (en) * | 2011-10-09 | 2013-01-02 | 浙江三花制冷集团有限公司 | Gas collecting tube assembly, combination method thereof and air conditioning system |
| CN102528193A (en) * | 2011-12-30 | 2012-07-04 | 刘字冬 | Copper and stainless steel brazing process |
| CN103042285A (en) * | 2012-12-20 | 2013-04-17 | 宁波市锦泰橡塑有限公司 | Vacuum welding method of oxygen-free copper and stainless steel body |
| CN204308363U (en) * | 2014-12-03 | 2015-05-06 | 嵊州市新起点焊接科技有限公司 | A kind of copper and stainless steel coupling assembling |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328297A (en) * | 2015-11-30 | 2016-02-17 | 含山瑞可金属有限公司 | Welding protection method, application and device |
| CN105583541A (en) * | 2016-01-26 | 2016-05-18 | 南京西百客汽车空调有限公司 | Welding process of two-device piping |
| CN112775573A (en) * | 2021-02-02 | 2021-05-11 | 杭州祥博传热科技股份有限公司 | Brazed red copper radiator processing technology and red copper radiator |
| CN113714580A (en) * | 2021-08-24 | 2021-11-30 | 李莲 | Microwave slot antenna welding structure and welding process thereof |
| CN113714580B (en) * | 2021-08-24 | 2022-09-30 | 李莲 | Microwave slot antenna welding structure and welding process thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |