CN101767249A - Ultrasonic welding method and product of high-melting metal - Google Patents
Ultrasonic welding method and product of high-melting metal Download PDFInfo
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- CN101767249A CN101767249A CN200810205220A CN200810205220A CN101767249A CN 101767249 A CN101767249 A CN 101767249A CN 200810205220 A CN200810205220 A CN 200810205220A CN 200810205220 A CN200810205220 A CN 200810205220A CN 101767249 A CN101767249 A CN 101767249A
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- melting metal
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Abstract
The invention relates to an ultrasonic welding method of high-melting metal. A low-melting metal surface layer suitable for ultrasonic welding is made on the welding surface of the high-melting metal and a product thereof; and after the coated workpiece is directly processed or the low-melting metal surface layer is further processed, other metal pieces are welded by ultrasonic waves. The ultrasonic welding product of the high-melting metal made by the method is characterized in that the high-melting metal comprises the low-melting metal surface layer suitable for the ultrasonic welding; and other metals are welded on the low-melting metal surface layer by the ultrasonic welding. The invention has the advantages that a stainless steel pipe can be welded by adopting the ultrasonic waves and an aluminum plate by coating aluminum; and an ultrasonic-welded pipe-plate heat exchanger comprising the aluminum-coated stainless steel pipe and an aluminum fin plate can thoroughly exert the advantages of good thermal conducting capability and surface processing capability of the aluminum and good corrosion resistance performance, high intensity and low linear expansion coefficient of the stainless steel pipe. Two embodiments are provided in accompanying drawing.
Description
Technical field
The present invention relates to the ultrasonic welding method and the goods of refractory metal.
Background technology
Ultrasonic bonding without scaling powder and naked light, energy-conservation, welding can be finished at normal temperatures, welding deformation is little.Iron, ferroalloy and iron and various refractory metal have advantages such as intensity height, cheapness, linear expansion coefficient be little, are widely used, and the stainless steel in the iron also has good corrosion resisting property.But present ultrasonic brazing unit still can not be used for the welding of refractory metal, comprises the welding of iron and iron welding and iron and aluminium, zinc, tin and alloy thereof.
Goal of the invention
The objective of the invention is to provide the ultrasonic welding method and the goods of refractory metal.
The present invention solves the method that its technical problem takes: definition: the metal that melting temperature is higher than copper is a refractory metal, and the metal outside the refractory metal is a low-melting-point metal.On the solder side of refractory metal such as iron and ferroalloy and goods thereof, make low-melting-point metal top layer that one deck is fit to ultrasonic bonding and comprise the top layer of copper, zinc, tin, aluminium and alloy thereof, again with this coating workpiece directly or to its low-melting-point metal top layer further process the back with other metalwork of ultrasonic bonding.
The present invention solves the technical scheme that its technical problem takes according to said method: make on the solder side of refractory metal spare and comprise and adopt that heat is warded off, the means of hot dip coating are made the low-melting-point metal top layer that one deck is fit to ultrasonic bonding, and adopt other metalwork of ultrasonic bonding to make refractory metal ultrasonic bonding goods on the low-melting-point metal top layer.The tubular sheet heat exchanger that connects and composes by iron or ferroalloy pipeline and metal wing plate for example.
Can also be before welding on metal wing plate machining hole seam; Can also adopt the design that the hole seam on the metal wing plate is matched with the low-melting-point metal top layer on iron or the ferroalloy pipeline.
Beneficial effect of the present invention comprises: make stainless steel tube can adopt ultrasonic wave and aluminium sheet welding by warding off aluminium, ward off al stainless steel pipe aluminium wing plate ultrasonic bonding tubular sheet heat exchanger and can give full play to the good corrosion resisting property of the good capacity of heat transmission of aluminium and stainless steel tube, the advantage of welding performance, high strength and low linear expansion coefficient preferably, cost is also lower.Ultrasonic bonding without scaling powder, the flames of anger, energy-conservation, welding can be finished at normal temperatures, welding deformation is little.It is low also to have overcome some brazing material fusing point, the restricted shortcoming of serviceability temperature.
Description of drawings
Further describe below in conjunction with accompanying drawing.
Fig. 1 is a structure diagrammatic sketch of warding off al stainless steel pipe aluminium wing ultrasonic bonding tubular sheet heat exchanger embodiment
Fig. 2 is a structure diagrammatic sketch of warding off the ultrasonic bonding tubular sheet heat exchanger embodiment that al stainless steel pipe aluminium wing matches.
1. stainless steel tubes among the figure; 2. ward off aluminium lamination; 3. wing plate; 4. stitch in the hole.
The specific embodiment
Among Fig. 1, heat wards off that useful thick black line represents on stainless steel tube 1 solder side wards off aluminium lamination 2.The aluminium lamination 2 of warding off of stainless steel tube 1 adopts ultrasonic bonding to be connected with wing plate 3, constitutes a tubular sheet heat exchanger.Wing plate 3 can adopt aluminium and alloy thereof or adopt the metal material on band low-melting-point metal top layer.Also can utilize anodic oxidation to make selective absorbing film when adopting aluminium matter wing plate 3 to make solar absorber at wing plate 3 sides to light.
Among Fig. 2, heat is warded off the thicker aluminum surface layer of one deck and is warded off aluminium lamination 2 through being processed to form one with the hole at aluminium wing plate 3 middle parts seam 4 strips that match on stainless steel tube 1 solder side, with supersonic welder the hole, joint portion is stitched 4 again and welds.
Claims (6)
1. the ultrasonic welding method of refractory metal, definition: the metal that melting temperature is higher than copper is a refractory metal, and the metal outside the refractory metal is a low-melting-point metal; On the solder side of refractory metal and goods thereof, make one deck and be fit to the low-melting-point metal top layer of ultrasonic bonding, again with this coating workpiece directly or to its low-melting-point metal top layer further process the back with other metalwork of ultrasonic bonding.
2. the refractory metal ultrasonic bonding goods that method according to claim 1 is made, it is characterized in that containing the low-melting-point metal top layer that one deck is fit to ultrasonic bonding on the solder side of refractory metal spare, and on the low-melting-point metal top layer, adopt other metalwork of ultrasonic bonding.
3. ultrasonic bonding goods according to claim 2 is characterized in that containing the tubular sheet heat exchanger that adopts iron or ferroalloy pipeline and metal wing plate to constitute.
4. ultrasonic bonding goods according to claim 3 is characterized in that metal wing plate porose seam of processing before welding.
5. ultrasonic bonding goods according to claim 3 is characterized in that metal wing plate was processed porose seam before welding and these holes seam matches with the low-melting-point metal top layer on the refractory metal.
6. ultrasonic bonding goods according to claim 3 is characterized in that containing stainless steel tube and aluminium wing plate or aluminium alloy wing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810205220A CN101767249A (en) | 2008-12-31 | 2008-12-31 | Ultrasonic welding method and product of high-melting metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810205220A CN101767249A (en) | 2008-12-31 | 2008-12-31 | Ultrasonic welding method and product of high-melting metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101767249A true CN101767249A (en) | 2010-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810205220A Pending CN101767249A (en) | 2008-12-31 | 2008-12-31 | Ultrasonic welding method and product of high-melting metal |
Country Status (1)
| Country | Link |
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| CN (1) | CN101767249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900300A (en) * | 2015-06-12 | 2015-09-09 | 成羽 | Aluminium-covered steel wire and manufacturing process therefor |
-
2008
- 2008-12-31 CN CN200810205220A patent/CN101767249A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900300A (en) * | 2015-06-12 | 2015-09-09 | 成羽 | Aluminium-covered steel wire and manufacturing process therefor |
| CN104900300B (en) * | 2015-06-12 | 2017-03-01 | 成羽 | A kind of aluminum-clad steel wire and its manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100707 |