CN103317246A - Welding method for stainless steel container - Google Patents
Welding method for stainless steel container Download PDFInfo
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- CN103317246A CN103317246A CN2013102244326A CN201310224432A CN103317246A CN 103317246 A CN103317246 A CN 103317246A CN 2013102244326 A CN2013102244326 A CN 2013102244326A CN 201310224432 A CN201310224432 A CN 201310224432A CN 103317246 A CN103317246 A CN 103317246A
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- steel container
- welding
- rustless steel
- welding method
- tank body
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Abstract
The invention relates to a welding method for a stainless steel container. The stainless steel container comprises a tank and a base. The welding method for the stainless steel container comprises the steps of enabling a chamfer towards the outer side to be formed on the lower edge of the tank; placing the tank on the base, filling the inner side of the chamfer with solder and performing welding under a low current to form a primary welding part, and enabling the outer edge of the primary welding part to be located in the chamfer; heightening the welding current, continuing performing welding on the outer side of the primary welding part to form a secondary welding part, and enabling the outer edge of the secondary welding part to be protruded out of the outer surface of the tank. According to the welding method for the stainless steel container, by forming the outward chamfer on the lower edge of the tank, first forming the primary welding part on the inner side of the chamber through the low current and then forming the secondary welding part on the outer side of the primary welding part through the high current, combination strength of the tank and the base is high.
Description
Technical field
The present invention relates to the rustless steel container manufacture field, especially relate to a kind of welding method of rustless steel container.
Background technology
Stainless steel has good corrosion resistance, heat resistance, low temperature intensity and mechanical performance, therefore is widely used in the industries such as household supplies, cabinet, indoor pipeline, water heater, boiler, bathtub, auto parts machinery, medical apparatus chemistry, chemical, food industry, boats and ships.Especially in chemical industry, stainless steel is widely used in making chemical container.For the comparatively complicated rustless steel container of certain structures, it can't be by mode one-shot formings such as punch formings, but needs to adopt the means of welding that different parts are linked together.But often there is the not high shortcoming of weld bond strength in the rustless steel container that existing welding method obtains, and damage is arranged when causing rustless steel container.Therefore, be necessary to work out the high welding method of a kind of bond strength.
Summary of the invention
The welding method that the purpose of this invention is to provide a kind of rustless steel container is to solve the problems of the prior art.
For achieving the above object, the present invention has adopted following technical proposal: a kind of welding method of rustless steel container, and described rustless steel container comprises tank body and base, the welding method of described rustless steel container comprises the steps:
The edge forms chamfering toward the outer side under tank body;
Tank body is placed on the base, fills scolder in the inboard of described chamfering and weld under low current, form just weldering section, the described just outer of weldering section is positioned at described chamfering;
Heighten welding current, proceed welding in the outside of described just weldering section, form again weldering section, the outer surface of described tank body is protruded in the outer of described again weldering section.
Preferably, in the welding method of above-mentioned rustless steel container, before welding with low current, also comprise the step that is filled with inert gas in the described tank body.
Preferably, in the welding method of above-mentioned rustless steel container, described inert gas is argon gas.
Preferably, in the welding method of above-mentioned rustless steel container, be formed with crow's feet in the described again weldering section.
Preferably, in the welding method of above-mentioned rustless steel container, chamfering is 45 °.
The welding method of the rustless steel container that the embodiment of the invention provides, form outside chamfering by edge under tank body, and form just weldering section by low current in the chamfering inboard first, just forming again weldering section outside the weldering section by high electric current again, thus can be so that the bond strength of tank body and base be higher.
Description of drawings
Fig. 1 is that the parts of the rustless steel container of the embodiment of the invention form schematic diagram.
Fig. 2 to Fig. 4 is the welding process schematic diagram of the rustless steel container among Fig. 1.
The specific embodiment
Please refer to Fig. 1 to Fig. 4, the embodiment of the invention provides a kind of welding method of rustless steel container, and this rustless steel container comprises base 10 and tank body 20, and tank body 20 is used for being connected to base 10, is formed with spatial accommodation in the tank body 20.
The welding method of this rustless steel container comprises the steps:
In 20 times edge formation of tank body chamfering 21 toward the outer side;
Heighten welding current, proceed welding in the outside of first weldering section, form again weldering section, the outer surface of tank body 20 is protruded in the outer of weldering section again.
Please refer to Fig. 3, because tank body 20 is the open column shape of bottom end opening in the present embodiment, so chamfering 21 is the annular chamfer outside the bottom that is positioned at tank body 20.Above alleged the outer of weldering section " just be positioned at chamfering " refer at the beginning of weldering section do not fill up whole chamfering, its outer fails to flush with the outer surface of tank body 20.In a preferred embodiment, chamfering is 45 °.
In a preferred embodiment, before welding with low current, also comprise the step that is filled with inert gas in the tank body 20.By in tank body 20, being filled with inert gas, oxidation occurs in the time of can preventing from welding, reduce the bond strength of first weldering section and tank body 20 and base 10.In the present embodiment, this inert gas is argon gas.
In a preferred embodiment, be formed with crow's feet in the weldering section again.Can be combined securely with base 10 in order to guarantee tank body 20, therefore the outer surface of tank body 20 is protruded in the outer of weldering section again, but so can cause the outward appearance of rustless steel container to be affected, for this reason, by regulating welding current, form crow's feet in weldering section again, so that the projection of weldering section is unlikely to have influence on the outward appearance of rustless steel container again, even can make rustless steel container seem more attractive in appearance.
After forming again weldering section, bleed off the argon gas in the tank body 20, then cooling welding tool is finished whole welding process.
Need to prove the relative height of used electric current in the height of the alleged electric current of the present invention and low two steps that only refer to form first weldering section and weldering section again.
The welding method of the rustless steel container that the embodiment of the invention provides, form outside chamfering by edge under tank body, and form just weldering section by low current in the chamfering inboard first, just forming again weldering section outside the weldering section by high electric current again, thus can be so that the bond strength of tank body and base be higher.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used first weldering section, terms such as weldering section, tank body, base again, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (5)
1. the welding method of a rustless steel container, described rustless steel container comprises tank body and base, it is characterized in that, the welding method of described rustless steel container comprises the steps:
The edge forms chamfering toward the outer side under tank body;
Tank body is placed on the base, fills scolder in the inboard of described chamfering and weld under low current, form just weldering section, the described just outer of weldering section is positioned at described chamfering;
Heighten welding current, proceed welding in the outside of described just weldering section, form again weldering section, the outer surface of described tank body is protruded in the outer of described again weldering section.
2. the welding method of rustless steel container according to claim 1 is characterized in that, before welding with low current, also comprises the step that is filled with inert gas in the described tank body.
3. the welding method of rustless steel container according to claim 1 is characterized in that, described inert gas is argon gas.
4. the welding method of rustless steel container according to claim 1 is characterized in that, is formed with crow's feet in the described again weldering section.
5. the welding method of rustless steel container according to claim 1 is characterized in that, described chamfering is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224432.6A CN103317246B (en) | 2013-06-05 | 2013-06-05 | The welding method of rustless steel container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310224432.6A CN103317246B (en) | 2013-06-05 | 2013-06-05 | The welding method of rustless steel container |
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| CN103317246A true CN103317246A (en) | 2013-09-25 |
| CN103317246B CN103317246B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310224432.6A Active CN103317246B (en) | 2013-06-05 | 2013-06-05 | The welding method of rustless steel container |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572750A (en) * | 2019-08-30 | 2019-12-13 | 歌尔股份有限公司 | Magnetic conduction structure and sound generating mechanism |
| CN113056450A (en) * | 2018-10-12 | 2021-06-29 | 诺力昂化学品国际有限公司 | Solid organic peroxide compositions |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5841090A (en) * | 1995-09-04 | 1998-11-24 | Elpatronic Ag | Method and apparatus for the seam welding of containers |
| CN101885099A (en) * | 2010-07-16 | 2010-11-17 | 潍坊五洲风电设备有限公司 | Welding process applying submerged automatic arc welding to wind power generation tower foundation seat |
| CN102114577A (en) * | 2010-12-17 | 2011-07-06 | 陕西国德电气制造有限公司 | One-time welding method |
| CN102357741A (en) * | 2011-09-07 | 2012-02-22 | 无锡市创新化工设备有限公司 | Girth welding technology for vacuum container |
| EP2428300A1 (en) * | 2010-09-14 | 2012-03-14 | Boccard | Method of welding steel parts with at least one piece being a duplex steel ; Vessel including steel parts with at least one being a duplex steel |
-
2013
- 2013-06-05 CN CN201310224432.6A patent/CN103317246B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5841090A (en) * | 1995-09-04 | 1998-11-24 | Elpatronic Ag | Method and apparatus for the seam welding of containers |
| CN101885099A (en) * | 2010-07-16 | 2010-11-17 | 潍坊五洲风电设备有限公司 | Welding process applying submerged automatic arc welding to wind power generation tower foundation seat |
| EP2428300A1 (en) * | 2010-09-14 | 2012-03-14 | Boccard | Method of welding steel parts with at least one piece being a duplex steel ; Vessel including steel parts with at least one being a duplex steel |
| CN102114577A (en) * | 2010-12-17 | 2011-07-06 | 陕西国德电气制造有限公司 | One-time welding method |
| CN102357741A (en) * | 2011-09-07 | 2012-02-22 | 无锡市创新化工设备有限公司 | Girth welding technology for vacuum container |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113056450A (en) * | 2018-10-12 | 2021-06-29 | 诺力昂化学品国际有限公司 | Solid organic peroxide compositions |
| CN110572750A (en) * | 2019-08-30 | 2019-12-13 | 歌尔股份有限公司 | Magnetic conduction structure and sound generating mechanism |
| CN110572750B (en) * | 2019-08-30 | 2021-07-27 | 歌尔股份有限公司 | Magnetic conduction structure and sound generating mechanism |
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| CN103317246B (en) | 2017-08-25 |
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Address after: 311107 East Village, Renhe street, Yuhang District, Zhejiang, Hangzhou Applicant after: Zhejiang Bo Bo energy saving environmental protection equipment Co., Ltd. Address before: 311107 East Village, Renhe street, Yuhang District, Zhejiang, Hangzhou Applicant before: Hangzhou Runbo Fluid Equipment Co., Ltd. |
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