CN101152683A - Welding method of sealing opens of metal tube member - Google Patents
Welding method of sealing opens of metal tube member Download PDFInfo
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- CN101152683A CN101152683A CNA2006101224908A CN200610122490A CN101152683A CN 101152683 A CN101152683 A CN 101152683A CN A2006101224908 A CNA2006101224908 A CN A2006101224908A CN 200610122490 A CN200610122490 A CN 200610122490A CN 101152683 A CN101152683 A CN 101152683A
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- metal tube
- welding
- plugging block
- welding method
- openings
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Abstract
The invention provides a welding method for sealing of an opening of metal pipe casting and comprises the following steps: A. a welding equipment work platform is provided; B. a metal pipe casting with an opening is provided; C. a plugging block matched with the opening of the metal pipe casting is provided; D. the plugging block is arranged on upward side of the opening of the metal pipe casting; E. the welding equipment is started and the metal pipe casting and the plugging block are welded together; the welding method adopted by the welding equipment is electric resistance welding technics. The welding method provided by the invention has the advantages of high welding speed, no requirement for additive packing material, easy realization of automation and high working efficiency; short heating time and energy saving due to centralized heat lead to small heat affected field and small deformation and stress, moreover, calibration and heat treatment process are not necessary to be arranged after welding, with no flue and no requirement for numerous abrading and polishing; the invention is energy saving and environmental friendly while saving material.
Description
Technical field
The present invention relates to a kind of welding method, especially relate to a kind of resistance-welding process method of metal tube sealing two ends.
Background technology
Because traditional cast iron Heating radiator heat conduction efficiency is low, to cast and contaminated environment, many now employing steel pipes are welded.The welding method that the sealing of the sealing two ends of steel pipe radiator is at present used mainly contains argon arc welding, carbon dioxide arc welding, gas brazing etc.Wherein, the operating process of argon arc welding is that the shutoff sheet is placed the steel pipe port, high temperature by electric arc is the mother metal fusing of weld seam with the place that shutoff sheet and steel pipe are in contact with one another, and is welded together mutually, and its welding track is one week of weld seam boxing along the needs welding; After having welded, weld has irregular burr and projection, need carry out a large amount of polishings; In addition, in a period of time of welding, need to continue energising, make the state of the metal mother metal maintenance regular period high-temperature fusion of commissure, increased a large amount of energy losses thus; Meanwhile, the state that also can be in high-temperature fusion when welding because of the metal material of commissure is easy to and air generation oxidation, produces a large amount of flue dust and pernicious gas.The welding manner of carbon dioxide arc welding is identical with argon arc welding, but also can filler wire, the fusing packing material comes attachment weld in welding, owing to have the burning of partially filled material when welding, flue dust that is produced and pernicious gas are than more, and postwelding also needs a large amount of polishings.Will add the copper solder during gas brazing, postwelding is also wanted a large amount of polishing grinding work, have a large amount of flue dust and pernicious gas in the welding process equally, and speed of welding is slow, energy-consuming consumptive material.
Therefore, needing a kind of new steel pipe of invention to seal welding method addresses the above problem.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned prior art exists, provide a kind of new steel pipe to seal welding method,, realize the operating process automation, reduce the polishing workload, improve working environment in order to improve speed of welding and operating efficiency.
The present invention adopts following technological means in order to realize above-mentioned technical purpose:
A kind of welding method with the metal tube closure of openings comprises the steps:
A, provide the welding equipment workbench;
B, provide metal tube with opening;
C, provide the plugging block that cooperates with described metal tube opening;
D, put the top of described plugging block in the metal tube opening;
E, startup welding equipment are with described metal tube and the welding of described plugging block;
The welding method that described welding equipment adopts is a resistance-welding process.
What described resistance-welding process adopted is resistance ring projection welding technology.
Described startup welding equipment comprises startup large power energy storage machine or three phase rectifier resistance welder.
Describedly provide welding `1 equipment workbench to comprise top electrode and bottom electrode are provided.
Described top electrode and described plugging block are electrically contacted.
Described bottom electrode and described metal tube are electrically contacted.
The described step of the metal tube with opening that provides comprises: the metal tube with flat mouthful is provided, perhaps provides to have the metal tube that opens in curving mouthful, perhaps provide to have the metal tube that curves the opening that turns up.
Describedly provide plugging block to be meant the plugging block that becomes scalene cone with the cold pier processes of punching press is provided.
Describedly provide plugging block to be meant the flat plugging block of complete closure is provided.
Describedly provide plugging block to be meant to provide the end to be processed into the nut of scalene cone.
Method provided by the invention compared with prior art, the advantage speed of welding is fast, need not add other inserts, easily be automated, high efficiency; Heat time heating time is short, heat is concentrated so the heat-affected zone is little, and distortion is also little with stress, needn't arrange usually to proofread and correct and heat treatment step after welding, need not a large amount of polishings, polishing after the welding, no flue dust; Energy-conserving and environment-protective, saving material.
Description of drawings
Fig. 1 seals the flow chart of steps of welding method for steel pipe of the present invention;
Fig. 2 is the generalized section that steel pipe of the present invention seals welding method embodiment;
Fig. 3 is that steel pipe of the present invention seals the generalized section of an embodiment of welding method after finishing;
Fig. 4 is that steel pipe of the present invention seals embodiment generalized section of welding method;
Fig. 5 is that steel pipe of the present invention seals embodiment generalized section of welding method;
Fig. 6 is that steel pipe of the present invention seals embodiment generalized section of welding method;
Fig. 7 is that steel pipe of the present invention seals embodiment generalized section of welding method.
The specific embodiment
With reference to the accompanying drawings 1, illustrate the steps flow chart that steel pipe of the present invention seals welding method, comprise
Step 10: the workbench of the welding equipment with top electrode and bottom electrode is provided;
Step 20: the metal tube with opening is provided;
Step 30: the plugging block that cooperates with described metal tube opening is provided;
Step 40: put the top of described plugging block in the metal tube opening;
Step 50: start large power energy storage machine and associated welds equipment, adopt resistance ring projection welding technology with institute
State the welding of metal tube and described plugging block.
With reference to the accompanying drawings 2, illustrate the embodiment that steel pipe of the present invention seals welding method, comprise processing pipe fitting 1, plugging block 2, top electrode 3 and bottom electrode 4; Wherein the technology of the cold pier of plugging block 2 usefulness punching presses is processed into scalene cone, described top electrode 3 electrically contacts with plugging block 2, bottom electrode 4 electrically contacts with pipe fitting 1, starts large power energy storage machine and associated welds equipment then, adopts resistance ring projection welding technology that pipe fitting 1, plugging block 2 welding are finished and shutoff.With reference to figure 3, illustrate the section signal of one embodiment of the invention after finishing, the place that is in contact with one another in original pipe fitting 1 and plugging block 2 forms weld seam 5.
With reference to figure 4, in another embodiment, the opening that turns in pipe fitting 1 curves, wherein the technology of the cold pier of plugging block 2 usefulness punching presses is processed into downward scalene cone.
With reference to figure 5, in another embodiment, pipe fitting 1 curves the opening that turns up, and wherein the technology of the cold pier of plugging block 2 usefulness punching presses is processed into scalene cone upwards.
With reference to figure 6, in another embodiment, pipe fitting 1 vertical opening, wherein the technology of the cold pier of plugging block 2 usefulness punching presses is processed into and covers the shape top and contact-making surface is the shape of scalene cone.
With reference to figure 7, in another embodiment, pipe fitting 1 vertical opening, wherein plugging block 2 is processed into the nut of scalene cone for the end, is connected with other pipeline with convenient.
Method provided by the invention compared with prior art, the advantage speed of welding is fast, need not add other inserts, easily be automated, high efficiency; Heat time heating time is short, heat is concentrated so the heat-affected zone is little, and distortion is also little with stress, needn't arrange usually to proofread and correct and heat treatment step after welding, need not a large amount of polishings, polishing after the welding, no flue dust; Energy-conserving and environment-protective, saving material.
Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (10)
1. the welding method with the metal tube closure of openings comprises the steps:
A, provide the welding equipment workbench;
B, provide metal tube with opening;
C, provide the plugging block that cooperates with described metal tube opening;
D, put the top of described plugging block in the metal tube opening;
E, startup welding equipment are with described metal tube and the welding of described plugging block;
It is characterized in that the welding method that described welding equipment adopts is a resistance-welding process.
2. the welding method with the metal tube closure of openings as claimed in claim 1 is characterized in that, what described resistance-welding process adopted is resistance ring projection welding technology.
3. the welding method with the metal tube closure of openings as claimed in claim 1 is characterized in that, described startup welding equipment comprises startup large power energy storage machine.
4. the welding method with the metal tube closure of openings as claimed in claim 1 is characterized in that, describedly provides the welding equipment workbench to comprise top electrode and bottom electrode are provided.
5. the welding method with the metal tube closure of openings as claimed in claim 4 is characterized in that, described top electrode and described plugging block are electrically contacted.
6. the welding method with the metal tube closure of openings as claimed in claim 4 is characterized in that, described bottom electrode and described metal tube are electrically contacted.
7. the welding method with the metal tube closure of openings as claimed in claim 1, it is characterized in that, the described step of the metal tube with opening that provides comprises: the metal tube with flat mouthful is provided, perhaps provide and have the metal tube that opens in curving mouthful, perhaps provide to have the metal tube that curves the opening that turns up, or be processed into the metal tube of scalene cone.
8. the welding method with the metal tube closure of openings as claimed in claim 1, it is characterized in that, described provide plugging block to be meant and provide with the cold pier processes of punching press become the dull and stereotyped plugging block of scalene cone or the welding method of nut and metal tube closure of openings, or be processed into the fully closed flat dull and stereotyped plugging block of the metal tube of scalene cone or the welding of nut.
9. the welding method with the metal tube closure of openings as claimed in claim 1, it is characterized in that, describedly provide plugging block to be meant the flat dull and stereotyped plugging block that is processed into scalene cone of complete closure or the welding of nut are provided, or be processed into the metal tube of scalene cone and the closed fully flat dull and stereotyped plugging block or the welding of nut.
10. the welding method with the metal tube closure of openings as claimed in claim 1 is characterized in that, describedly provides plugging block to be meant to provide the end to be processed into the dull and stereotyped plugging block or the nut of scalene cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101224908A CN101152683A (en) | 2006-09-28 | 2006-09-28 | Welding method of sealing opens of metal tube member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101224908A CN101152683A (en) | 2006-09-28 | 2006-09-28 | Welding method of sealing opens of metal tube member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101152683A true CN101152683A (en) | 2008-04-02 |
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ID=39254684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101224908A Pending CN101152683A (en) | 2006-09-28 | 2006-09-28 | Welding method of sealing opens of metal tube member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101152683A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480959A (en) * | 2013-08-30 | 2014-01-01 | 重庆市宏立摩托车制造有限公司 | Spot welding process of thin-walled tube and thin plate |
| CN105142846A (en) * | 2013-03-25 | 2015-12-09 | 方地陶有限公司 | Method for joining aluminum components, in particular for closing an end part of a heating radiator element, and aluminum radiator element |
| CN111014865A (en) * | 2019-12-17 | 2020-04-17 | 西安聚能装备技术有限公司 | Vacuum sealing device and sealing method for powder tube filling |
-
2006
- 2006-09-28 CN CNA2006101224908A patent/CN101152683A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142846A (en) * | 2013-03-25 | 2015-12-09 | 方地陶有限公司 | Method for joining aluminum components, in particular for closing an end part of a heating radiator element, and aluminum radiator element |
| EP3222383A1 (en) * | 2013-03-25 | 2017-09-27 | FONDITAL S.p.A. | Method for joining aluminium components, in particular for closing an end part of a heating radiator element, and heating radiator element |
| CN105142846B (en) * | 2013-03-25 | 2018-02-09 | 方地陶有限公司 | For the method and Aluminium Radiator element of the end for closing radiator element |
| CN103480959A (en) * | 2013-08-30 | 2014-01-01 | 重庆市宏立摩托车制造有限公司 | Spot welding process of thin-walled tube and thin plate |
| CN111014865A (en) * | 2019-12-17 | 2020-04-17 | 西安聚能装备技术有限公司 | Vacuum sealing device and sealing method for powder tube filling |
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Open date: 20080402 |