CN201269372Y - Soldering connection structure of aluminum and aluminum alloy pipe - Google Patents
Soldering connection structure of aluminum and aluminum alloy pipe Download PDFInfo
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- CN201269372Y CN201269372Y CNU2008201650806U CN200820165080U CN201269372Y CN 201269372 Y CN201269372 Y CN 201269372Y CN U2008201650806 U CNU2008201650806 U CN U2008201650806U CN 200820165080 U CN200820165080 U CN 200820165080U CN 201269372 Y CN201269372 Y CN 201269372Y
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- alloy pipe
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- aluminium alloy
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Abstract
A welding connecting structure of aluminum and aluminum alloy pipe belongs to the metal butt welding technical field, which comprises the aluminum and aluminum alloy pipes with two sides needing even joint. The utility model is characterized in that the even joint surfaces of the aluminum and aluminum alloy pipes are respectively sloping structure, a gap is arranged between two connecting surfaces to match without contacting, the inner surfaces of the connecting ends of the aluminum and aluminum alloy pipes at two sides are respectively contacted and matched with a stainless steel lining ring, the outer surface of the lining ring corresponding to the gap between the even joint surfaces of the aluminum and aluminum alloy pipes at two sides is provided with a concave groove, and the sealing fixed connection is formed between two connecting ports of the aluminum and aluminum alloy pipes and the lining ring by welding. The welding connecting structure of the aluminum and aluminum alloy pipes adopts the butt connection of the lining ring, the lack of internal penetration defects due to the high fluidity of the aluminum and aluminum alloy under high temperature are effectively avoided, and the welding connecting structure has the advantages of simple process, high welding quality, and high welding efficiency.
Description
Technical field
The utility model belongs to metal butt joint welding connection structure technical field, is specifically related to a kind of welding connection structure that is applicable to aluminium and aluminium alloy pipes.
Background technique
At present, aluminium and aluminum alloy are widely used in the manufacturing of pressurized container because of having good corrosion resistance and good cryogenic property.But aluminium and aluminum alloy at high temperature are easy to airborne oxygen reaction and form aluminum oxide film, hinder intermetallic good combination and form slag inclusion, the aluminothermy conductance is than high many of carbon steel and alloyed steel, need consume energy more during welding, and intensity is very low during aluminium and aluminium alloy pipe high temperature, and the liquid aluminium mobile performance is fine, and weld metal is easy to generate and stays phenomenon when welding, inside is difficult for through welding, forms incomplete penetration defect.Therefore, the technical requirements when welding of aluminium and aluminum alloy material is higher, and manual welding is difficult to weld, and weld seam sensitivity of film first-time qualification rate is lower, and welding efficiency is lower.Owing to influenced by the tubulose geometrical construction, bigger simultaneously for the welding difficulty of aluminium and aluminium alloy pipe.
The model utility content
The utility model aims to provide a kind of welding connection structure that is suitable for aluminium and aluminium alloy pipes, adopts the grommet butt welding, to overcome the problem that the aluminium and aluminium alloy pipes welding that exists in the prior art easily forms incomplete penetration defect, improve welding quality and welding efficiency.
The welding connection structure in described a kind of aluminium and aluminium alloy pipe road, comprise the both sides aluminium and aluminium alloy pipe that the needs butt joint connects, the interface that it is characterized in that aluminium and aluminium alloy pipe becomes divided edge structure respectively, being provided with the gap between two junction surfaces becomes non-contact to cooperate, the connecting end internal surface of both sides aluminium and aluminium alloy pipe touches with the stainless steel grommet respectively and cooperates, the grommet outer surface is equipped with groove corresponding to the interstitial site between the interface of both sides aluminium and aluminium alloy pipe, is sealedly and fixedly connected by welding formation between two connecting ports of aluminium and aluminium alloy pipe and the grommet.
The welding connection structure in described a kind of aluminium and aluminium alloy pipe road is characterized in that the external diameter of described grommet is identical with the internal diameter of aluminium and aluminium alloy pipe.
The welding connection structure in described a kind of aluminium and aluminium alloy pipe road, the groove that it is characterized in that the setting of described grommet outer surface are square groove structure or arc groove structure.
The welding connection structure in described a kind of aluminium and aluminium alloy pipe road, the degree of depth that it is characterized in that the groove of described grommet outer surface setting are that 1～1.5mm, width are 3～5mm.
Above-mentioned a kind of aluminium and aluminium alloy pipe welding connection structure adopts the grommet butt joint, can effectively prevent the inside incomplete penetration defect that causes by force because of aluminium and aluminum alloy flowability when the high temperature, and have characteristics such as technology is simple, welding quality is high, welding efficiency height.
Description of drawings
Figure 1 shows that the utility model structural representation;
Figure 2 shows that the structural representation of stainless steel grommet;
Figure 3 shows that another embodiment's of stainless steel grommet structural representation.
Among the figure: 1/1a-aluminium and aluminium alloy pipe, 2-stainless steel grommet, 3-groove, 4-weld seam.
Embodiment
Further specify embodiment of the present utility model below in conjunction with Figure of description:
The welding connection structure in a kind of aluminium and aluminium alloy pipe road, comprise both sides need dock connection aluminium and aluminium alloy pipe 1,1a, the interface of aluminium and aluminium alloy pipe 1,1a becomes divided edge structure respectively, is provided with the gap between two junction surfaces and becomes non-contact to cooperate.The connecting end internal surface of both sides aluminium and aluminium alloy pipe 1,1a touches with stainless steel grommet 2 respectively and cooperates, and the external diameter of stainless steel grommet 2 is identical with the internal diameter of aluminium and aluminium alloy pipe 1,1a.Stainless steel grommet 2 outer surfaces are equipped with groove 3 corresponding to the interstitial site between both sides aluminium and aluminium alloy pipe 1, the 1a interface, groove 3 adopts square groove structure or arc groove structure, its degree of depth is that 1～1.5mm, width are 3～5mm, adopt argon tungsten-arc welding to weld between the interface of aluminium and aluminium alloy pipe 1,1a and the stainless steel grommet 2, weld seam 4 both sides that form are sealedly connected and fixed with the divided edge structure interface that becomes of aluminium and aluminium alloy pipe 1,1a respectively, and the groove 3 of the bottom of weld seam 4 and stainless steel grommet 2 outer surfaces is sealedly connected and fixed.
The specific embodiment that above-mentioned aluminium and aluminium alloy pipe is welded to connect is as follows:
The first step: aluminium and aluminium alloy pipe to be welded 1,1a interface are processed into desired divided edge structure, and the cleaning groove;
Second step: processing is used to make the stainless steel liner plate of stainless steel grommet 2, and the liner plate width is 5～10mm, and thickness is 3mm, in stainless steel surfaces machined grooves 3;
The 3rd step: roll the stainless steel liner plate and constitute stainless steel grommet 2, make groove 3 towards outside, and make stainless steel grommet 2 outer surface diameter be equal to the internal diameter of aluminium and aluminium alloy pipe 1 to be welded, 1a;
The 4th step: aluminium and aluminium alloy pipe 1,1a, stainless steel grommet 2 are assembled by the requirement of linkage structure shown in Fig. 1;
The 5th step: adopt argon tungsten-arc welding to weld formation weld seam 4 aluminium and aluminium alloy pipe 1,1a, stainless steel grommet 2 are sealedly connected and fixed.
Claims (4)
1. the welding connection structure in an aluminium and aluminium alloy pipe road, comprise that both sides need dock the aluminium and aluminium alloy pipe (1 of connection, 1a), it is characterized in that aluminium and aluminium alloy pipe (1, interface 1a) becomes divided edge structure respectively, being provided with the gap between two junction surfaces becomes non-contact to cooperate, both sides aluminium and aluminium alloy pipe (1, connecting end internal surface 1a) touches with stainless steel grommet (2) respectively and cooperates, grommet (2) outer surface is corresponding to both sides aluminium and aluminium alloy pipe (1, interstitial site between interface 1a) is equipped with groove (3), aluminium and aluminium alloy pipe (1, be sealedly and fixedly connected by welding formation between two connecting ports 1a) and the grommet (2).
2. the welding connection structure in a kind of aluminium and aluminium alloy pipe as claimed in claim 1 road, the internal diameter of the external diameter that it is characterized in that described grommet (2) and aluminium and aluminium alloy pipe (1,1a) is identical.
3. the welding connection structure in a kind of aluminium and aluminium alloy pipe as claimed in claim 1 road is characterized in that the groove (3) that described grommet (2) outer surface is provided with is square groove structure or arc groove structure.
4. the welding connection structure in a kind of aluminium and aluminium alloy pipe as claimed in claim 1 road is characterized in that the degree of depth of the groove (3) that described grommet (2) outer surface is provided with is that 1～1.5mm, width are 3～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201650806U CN201269372Y (en) | 2008-10-09 | 2008-10-09 | Soldering connection structure of aluminum and aluminum alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201650806U CN201269372Y (en) | 2008-10-09 | 2008-10-09 | Soldering connection structure of aluminum and aluminum alloy pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269372Y true CN201269372Y (en) | 2009-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201650806U Expired - Fee Related CN201269372Y (en) | 2008-10-09 | 2008-10-09 | Soldering connection structure of aluminum and aluminum alloy pipe |
Country Status (1)
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| CN (1) | CN201269372Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947698A (en) * | 2010-09-14 | 2011-01-19 | 江阴中南重工股份有限公司 | Welding device for flanging of pipeline connecting piece |
| CN101954545A (en) * | 2010-09-14 | 2011-01-26 | 江阴中南重工股份有限公司 | Method for welding crimped rim of pipeline connecting piece |
| CN102179647A (en) * | 2011-04-12 | 2011-09-14 | 林德工程（杭州）有限公司 | Reworking method of welding seams of aluminium-magnesium alloy pipeline |
| CN106670670A (en) * | 2016-11-25 | 2017-05-17 | 云南昆钢钢结构股份有限公司 | Stainless steel-carbon steel composite tube annular sealing welding method |
| CN107127470A (en) * | 2017-06-30 | 2017-09-05 | 北京首钢建设集团有限公司 | A kind of interface uses the pipe installation method for welding cage plate |
| CN107244049A (en) * | 2017-06-13 | 2017-10-13 | 苏州艾盾合金材料有限公司 | A kind of preventing water leakage machine barrel and its preparation technology for double screw extruder |
-
2008
- 2008-10-09 CN CNU2008201650806U patent/CN201269372Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947698A (en) * | 2010-09-14 | 2011-01-19 | 江阴中南重工股份有限公司 | Welding device for flanging of pipeline connecting piece |
| CN101954545A (en) * | 2010-09-14 | 2011-01-26 | 江阴中南重工股份有限公司 | Method for welding crimped rim of pipeline connecting piece |
| CN101947698B (en) * | 2010-09-14 | 2012-04-25 | 江阴中南重工股份有限公司 | Welding device for flanging of pipeline connecting piece |
| CN102179647A (en) * | 2011-04-12 | 2011-09-14 | 林德工程（杭州）有限公司 | Reworking method of welding seams of aluminium-magnesium alloy pipeline |
| CN106670670A (en) * | 2016-11-25 | 2017-05-17 | 云南昆钢钢结构股份有限公司 | Stainless steel-carbon steel composite tube annular sealing welding method |
| CN107244049A (en) * | 2017-06-13 | 2017-10-13 | 苏州艾盾合金材料有限公司 | A kind of preventing water leakage machine barrel and its preparation technology for double screw extruder |
| CN107127470A (en) * | 2017-06-30 | 2017-09-05 | 北京首钢建设集团有限公司 | A kind of interface uses the pipe installation method for welding cage plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20091109 |