CN104191112A - Connection method of silver, copper and zinc belt-shaped solder and special connection device used in connection method - Google Patents
Connection method of silver, copper and zinc belt-shaped solder and special connection device used in connection method Download PDFInfo
- Publication number
- CN104191112A CN104191112A CN201410402228.3A CN201410402228A CN104191112A CN 104191112 A CN104191112 A CN 104191112A CN 201410402228 A CN201410402228 A CN 201410402228A CN 104191112 A CN104191112 A CN 104191112A
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- Prior art keywords
- solder
- copper coin
- copper plate
- connection
- pressure
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Classifications
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- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
- B23K20/023—Thermo-compression bonding
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a connection method of silver, copper and zinc belt-shaped solder and a special connection device used in the connection method. According to the connection method, firstly, oxides on connection faces, to be connected, of two solder belts are removed; the connection portions of the solder belts are placed between an upper copper plate and a lower copper plate after being clamped and overlapped through the upper copper plate and the lower copper plate, and the contact faces of the solder belts are coated with silver solder flux and are placed between an upper pressure column and a lower supporting column; the upper pressure column falls downwards so as to tightly press the connection portions and keeps certain pressure; the upper copper plate and the lower copper plate are heated through an upper conductive electrode and a lower conductive electrode, so that the connection portions of the overlapped solder belts are heated and melted, the surfaces of the upper and lower copper plates are wetted through the melted solder, the surfaces of the copper plates are uniformly laid, the connection portions become thinner under pressure of the upper copper plate and the lower copper plate, redundant solder forms flash, the flash is cut off, the upper copper plate and the lower copper plate are worn off, and then connection is achieved. Materials of connectors of the solder belts are uniform, strength of the materials of the connectors of the solder belts is the same as that of base metal, and connection requirements in the rolling process of the silver, copper and zinc belt-shaped solder can be met. Meanwhile, the special connection device for the method is simple in structure and convenient to operate.
Description
Technical field
The present invention relates to the connection of metal tape, especially relate to a kind of method of attachment of Ag-Cu-Zn strip brazing material, the invention still further relates to the special-purpose connection device using in this method of attachment.
Background technology
Ag-Cu-Zn solder is to take Ag-Cu-Zn solid solution as main multicomponent alloy, and this class solder has excellent processing performance, and fusion temperature is not high, and melting region is at 600 ℃～800 ℃; Wettability and gap filling performance are good, and the Joint intensity that soldering forms is high, and brazed seam tensile strength is between 300MPa～450MPa; Solder plasticity, conduction, the excellent performance such as anti-corrosion.Ag-Cu-Zn strip brazing material is widely used in the fields such as diamond tool soldering, machine tool soldering, wood cutter soldering, components of steam turbine soldering and other structural member solderings, can be used to nearly all ferrous metal and the non-ferrous metal of soldering except aluminium, magnesium and other low-melting-point metals.
Ag-Cu-Zn strip brazing material is generally made according to the following steps: one. and raw material are put into smelting furnace by component ratio, and heat fused, smelts into cylindrical ingot casting, and ingot casting weight is generally between 2 kilograms～20 kilograms; Two. use hydraulic press ingot casting to be squeezed into the band of thickness 4mm～8mm, width 20mm～60mm; Three. use mill milling, it is the finished product band of 0.2 mm～0.5mm that strip-rolling is become to thickness.
Because the band squeezing out in above-mentioned steps two is lightweight, the Length Ratio of band is shorter, when thinner thickness, length is 3m～10m; If, easily there is following defect in band of a rolling when rolling:
1. the size inaccuracy of solder band front-end and back-end;
2. the plate shape of solder band front-end and back-end is bad, occurs warpage.
3. interlock is bad during solder band fore-end rolling pan feeding.
These problems can cause the yield rate that solder is produced to reduce, and in order to address these problems, the rear end of the front end of a solder band and another root can be coupled together, and send in milling train and are rolled continuously.
The special method also not connecting for solder band at present, and method of attachment in the existing metal tape operation of rolling mainly contains two kinds of methods:
One. fusing butt welding: by two metal tape docking, adopt the method for argon arc welding or other arc weldings by two metal tape molten solders together; Fusing butt welding requires can not contain volatile element in metal tape, otherwise weld seam can not be shaped; And in Ag-Cu-Zn solder, contain volatile element zinc, so cannot melt butt welding.
Two. riveted joint weldering: by two metal tape overlap joints, be pressed between two buttress shaft shape copper electrodes the compression of exerting pressure, lead to super-high-current simultaneously, in metal tape lap-joint, produce a large amount of resistance heats, the metal of the thermal region in center is heated to molten state, solder joint of cooling rear formation very soon.But while connecting solder in this way, two solder bands must overlap, and at regular intervals between solder joint, can cause like this two problems: 1. not all fusing connections of solder band, during follow-up rolling, easily rupture; 2. the thickness of solder band lap-joint is the twice of solder tape thickness, during follow-up rolling, because rolling no-load voltage ratio is too large, easily ruptures.Therefore, adopt the method for attachment of existing metal tape can not meet the connection request of solder band.
Summary of the invention
The object of the present invention is to provide a kind of method of attachment that is applicable to Ag-Cu-Zn strip brazing material, the present invention also provides the special-purpose connection device using in this method of attachment.
For achieving the above object, the present invention can take following technical proposals:
The method of attachment of Ag-Cu-Zn strip brazing material of the present invention, comprises the steps:
The first step, removes to be connected surperficial oxide of two solder bands with steel brush, and cleans with alcohol;
Second step, gets the upper and lower copper coin identical with solder bandwidth to be connected, is placed between upper and lower copper coin after the connecting portion of two solder bands to be connected is clamped to overlapping alignment, and will on the contact-making surface of upper and lower copper coin and solder band, brushes silver-colored brazing flux; Then place it between the upward pressure post and lower support post of forcing press;
The 3rd step, starting pressure machine, upward pressure post falls the connecting portion of two solder bands to be connected is compressed, and keeps the pressure of 10 ~ 20 tons;
The 4th step, start heating power supply, the upper and lower conductive electrode that is arranged on forcing press upward pressure post and lower support post surface heats upper and lower copper coin, then the solder band connecting portion overlaping is heated, made its fusing, the upper and lower copper coin of the solder wetting surface of fusing, copper coin surface uniform sprawl, form the solder connector of material uniformity, simultaneously under the pressure-acting of upper and lower copper coin, junction thickness attenuation, unnecessary solder is overflowed from copper coin side, forms overlap;
The 5th step, by the unnecessary solder cutting burrs in junction, and grinds off the upper and lower copper coin of junction, can obtain intact solder belt lacing.
Special-purpose connection device in the method for attachment of Ag-Cu-Zn strip brazing material of the present invention, the lower support post that it comprises pressure frame and is arranged on described pressure frame bottom, pressure frame top corresponding to described lower support post is provided with the upward pressure post being pumped by power source driving, the surface of described upward pressure post and lower support post is respectively arranged with upper and lower conductive electrode, and described upper and lower conductive electrode is electrically connected to described heating power supply by wire.
Described power source is hydraulic jack.
The invention has the advantages that solder belt lacing material is even, intensity is identical with mother metal, can meet the connection request in Ag-Cu-Zn strip brazing material rolling process.Concrete advantage applies exists: 1, adopt the connection device of special use of the present invention, solder band is realized fusing and is connected under the acting in conjunction of large pressure and heating, and solder temperature only need connect temperature low slightly higher than solder fusing point, and metallic element volatilizees seldom.2, solder band is realized metallurgical binding on whole linkage interface, and bonding strength is high.3, solder band connecting portion thickness attenuation under large pressure-acting, only slightly thicker than individual layer solder, identical with individual layer solder thickness after copper coin is ground off, easy fracture not in the follow-up operation of rolling.Meanwhile, the jockey that aims at the method manufacture is simple in structure, convenient operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of Special connecting device of the present invention.
Fig. 2 is the assembling schematic diagram before solder band connects.
Fig. 3 is the schematic diagram after solder band connects.
The specific embodiment
As shown in Figure 1, 2, 3, adopting the method for attachment connection solder band A of Ag-Cu-Zn strip brazing material of the present invention and the width of solder band B(solder band A and B is 25 ~ 50mm, and thickness is 1.8 ~ 2.5mm), its method of attachment comprises the steps:
The first step, removes the oxide on solder band A and solder band B joint face surface, and cleans with alcohol with steel brush;
Second step, get upper copper coin 1, the lower copper coin 2 identical with solder band B width with solder band A, the length of upper copper coin 1, lower copper coin 2 is 60mm, thickness is 1mm, after the connecting portion of material strip A and solder band B is clamped to overlapping alignment, be placed between upper and lower copper coin 1,2, the overlap length of solder band A and B is 20mm; And will on the contact-making surface of upper and lower copper coin and solder band, brush silver-colored brazing flux; Then place it between the upward pressure post 3 and lower support post 4 of forcing press;
The 3rd step, starting pressure machine, upward pressure post 3 falls, and the overlapping connecting portion of solder band A and B is compressed, and keep the pressure of 10 ~ 20 tons (generally selecting 15 ~ 20 tons);
The 4th step, the electric current that starts heating power supply 5(heating power supply can make the appropriate adjustments according to the thickness of solder to be connected: when solder tape thickness 1.8mm, width 30mm, can adopt the heating power supply of voltage 2.9V, electric current 520A, when solder tape thickness 2.0mm, width 25mm, can adopt the heating power supply of voltage 2.8V, electric current 350A, when solder tape thickness 2.5mm, width 40mm, can adopt the heating power supply of voltage 2.6V, electric current 480A, solder tape thickness 2.5mm, during width 50mm, can adopt voltage 2.4V, the heating power supply of electric current 630A), be arranged on the upper conductive electrode 6 and 7 heating of lower conductive electrode on forcing press upward pressure post 3 and lower support post 4 surfaces, lower copper coin 1, 2, then by the solder band A overlaping and the heating of B connecting portion, make its fusing, on the solder wetting of fusing, lower copper coin 1, 2 surfaces, copper coin surface uniform sprawl, form the solder connector of material uniformity, simultaneously upper, lower copper coin 1, under 2 pressure-acting, junction thickness attenuation, unnecessary solder is overflowed from copper coin side, form overlap,
The 5th step, by the unnecessary solder cutting burrs in junction, and grinds off the upper and lower copper coin of junction 1,2, can obtain intact solder belt lacing.
For convenience of connecting processing, the present invention also provides special-purpose connection device, as shown in Figure 1, the lower support post 4 that this equipment comprises pressure frame 8 and is arranged on pressure frame 8 bottoms, corresponding to the pressure frame top of lower support post 4, be provided with the upward pressure post 3 being pumped by power source (power source can with hydraulic jack) driving, the surface of upward pressure post 3 and lower support post 4 is respectively arranged with conductive electrode 6 and lower conductive electrode 7, and upper and lower conductive electrode 6,7 is electrically connected to heating power supply 5 by wire 9.
Claims (3)
1. a method of attachment for Ag-Cu-Zn strip brazing material, is characterized in that: comprise the steps:
The first step, removes to be connected surperficial oxide of two solder bands with steel brush, and cleans with alcohol;
Second step, gets the upper and lower copper coin identical with solder bandwidth to be connected, is placed between upper and lower copper coin after the connecting portion of two solder bands to be connected is clamped to overlapping alignment, and will on the contact-making surface of upper and lower copper coin and solder band, brushes silver-colored brazing flux; Then place it between the upward pressure post and lower support post of forcing press;
The 3rd step, starting pressure machine, upward pressure post falls the connecting portion of two solder bands to be connected is compressed, and keeps the pressure of 10 ~ 20 tons;
The 4th step, start heating power supply, the upper and lower conductive electrode that is arranged on forcing press upward pressure post and lower support post surface heats upper and lower copper coin, then the solder band connecting portion overlaping is heated, made its fusing, the upper and lower copper coin of the solder wetting surface of fusing, copper coin surface uniform sprawl, form the solder connector of material uniformity, simultaneously under the pressure-acting of upper and lower copper coin, junction thickness attenuation, unnecessary solder is overflowed from copper coin side, forms overlap;
The 5th step, by the unnecessary solder cutting burrs in junction, and grinds off the upper and lower copper coin of junction, can obtain intact solder belt lacing.
2. special-purpose connection device in the method for attachment of Ag-Cu-Zn strip brazing material according to claim 1, it is characterized in that: the lower support post that it comprises pressure frame and is arranged on described pressure frame bottom, pressure frame top corresponding to described lower support post is provided with the upward pressure post being pumped by power source driving, the surface of described upward pressure post and lower support post is respectively arranged with upper and lower conductive electrode, and described upper and lower conductive electrode is electrically connected to described heating power supply by wire.
3. special-purpose connection device according to claim 2, is characterized in that: described power source is hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402228.3A CN104191112B (en) | 2014-08-15 | 2014-08-15 | The method of attachment of Ag-Cu-Zn strip brazing material and special connection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410402228.3A CN104191112B (en) | 2014-08-15 | 2014-08-15 | The method of attachment of Ag-Cu-Zn strip brazing material and special connection device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191112A true CN104191112A (en) | 2014-12-10 |
| CN104191112B CN104191112B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410402228.3A Active CN104191112B (en) | 2014-08-15 | 2014-08-15 | The method of attachment of Ag-Cu-Zn strip brazing material and special connection device thereof |
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| CN (1) | CN104191112B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274142A (en) * | 2017-12-29 | 2018-07-13 | 郑州机械研究所有限公司 | A kind of circle solder cake and preparation method thereof |
| CN114289810A (en) * | 2021-11-30 | 2022-04-08 | 江苏中车电机有限公司 | Brazing method of aluminum or aluminum alloy plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04309494A (en) * | 1991-04-04 | 1992-11-02 | Senju Metal Ind Co Ltd | Production of solder clad material |
| CN1859997A (en) * | 2003-07-23 | 2006-11-08 | 约翰斯霍普金斯大学 | Method of joining using reactive multilayer foils with enhanced control of molten joining materials |
| CN102319966A (en) * | 2011-08-29 | 2012-01-18 | 郑州机械研究所 | Brazing filler metal for braze welding of titanium and titanium alloy, preparation method and braze welding method |
| CN202212689U (en) * | 2011-08-22 | 2012-05-09 | 北京维通利电气有限公司 | Copper strip soft connector diffusion welding system |
| WO2013092083A1 (en) * | 2011-12-20 | 2013-06-27 | Siemens Aktiengesellschaft | Method for connecting workpieces and connecting device |
-
2014
- 2014-08-15 CN CN201410402228.3A patent/CN104191112B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04309494A (en) * | 1991-04-04 | 1992-11-02 | Senju Metal Ind Co Ltd | Production of solder clad material |
| CN1859997A (en) * | 2003-07-23 | 2006-11-08 | 约翰斯霍普金斯大学 | Method of joining using reactive multilayer foils with enhanced control of molten joining materials |
| CN202212689U (en) * | 2011-08-22 | 2012-05-09 | 北京维通利电气有限公司 | Copper strip soft connector diffusion welding system |
| CN102319966A (en) * | 2011-08-29 | 2012-01-18 | 郑州机械研究所 | Brazing filler metal for braze welding of titanium and titanium alloy, preparation method and braze welding method |
| WO2013092083A1 (en) * | 2011-12-20 | 2013-06-27 | Siemens Aktiengesellschaft | Method for connecting workpieces and connecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274142A (en) * | 2017-12-29 | 2018-07-13 | 郑州机械研究所有限公司 | A kind of circle solder cake and preparation method thereof |
| CN108274142B (en) * | 2017-12-29 | 2023-09-26 | 郑州机械研究所有限公司 | Round brazing cake and preparation method thereof |
| CN114289810A (en) * | 2021-11-30 | 2022-04-08 | 江苏中车电机有限公司 | Brazing method of aluminum or aluminum alloy plate |
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| Publication number | Publication date |
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| CN104191112B (en) | 2016-03-23 |
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Address after: 450001 science avenue of Zhengzhou high tech Industrial Development Zone, Zhengzhou, Henan Province, No. Patentee after: Zhengzhou Machinery Research Institute Co., Ltd. Address before: 450000 Songshan South Road, Zhengzhou, Zhengzhou, Henan Patentee before: Zhengzhou Research Institute of Mechanical Engineering |
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