CN105225856A - A kind of manufacture method of silver oxide composite band and manufacturing equipment - Google Patents
A kind of manufacture method of silver oxide composite band and manufacturing equipment Download PDFInfo
- Publication number
- CN105225856A CN105225856A CN201510539621.1A CN201510539621A CN105225856A CN 105225856 A CN105225856 A CN 105225856A CN 201510539621 A CN201510539621 A CN 201510539621A CN 105225856 A CN105225856 A CN 105225856A
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- Prior art keywords
- band
- metal oxide
- silver
- composite band
- copper
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/04—Co-operating contacts of different material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
- H01H11/042—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion by mechanical deformation
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Metal Rolling (AREA)
- Manufacture Of Switches (AREA)
Abstract
The invention discloses a kind of manufacture method and manufacturing equipment of silver oxide composite band, relate to manufacture method and the equipment of electric contact material, its method workflow is: siluer metal oxide band, copper strips process in early stage-& gt; Siluer metal oxide band and copper strips heating-& gt; Silver oxidized zone, copper strips compound-& gt; Composite band annealing-& gt; Composite band finish rolling-& gt; Composite band eliminates stress-& gt; Anti-oxidant-& the gt of composite band; Composite band itemize-& gt; The steps such as composite band inspection.Compared with prior art; the invention has the beneficial effects as follows: can allow in heating process siluer metal oxide band get along well extraneous contact; avoid protective atmosphere and siluer metal oxide band generation reduction reaction, cause siluer metal oxide to be reduced the problem reducing compound silver band performance.Simultaneously siluer metal oxide band is put into the groove being opened in copper strips and is then carried out hot pressing and roll, and compound silver band is combined strong higher, compound fastness is better.
Description
Technical field
The present invention relates to electric contact material technical field, the manufacture method of especially a kind of siluer metal oxide-copper composite electric contact.
Background technology
Electric contact is the contact element of appliance switch, instrument and meter, and it mainly bears connection and breaking current
Effect, it has decisive role to the safe operation of electrical equipment, produce electric contact material in, siluer metal oxide is (as siller tin oxide AgSnO
2, Agcdo AgCdO) material is owing to having good resistance to electrical wear, resistance fusion welding and conductivity, be used widely in low-voltage electrical apparatus.Silver tin/copper oxide composite material is the new function material combined by special combination process by siluer metal oxide and copper bi-material, it had both retained the main characteristics of siluer metal oxide and base material copper, the performance not available for stock blend is obtained again by complex effect, both save silver, play the resistance to electrical wear of silver contact, the advantage such as resistance fusion welding and conductivity, can improve mechanical performance again, be an important joint silver technology.But the bond strength of siluer metal oxide and copper is poor, domestic research emphasis in silver-bearing copper composite material is bar compound, the face compound of yellow gold and oxygen-free copper at present, and these are not substantially the oxide of silver and the compound of copper.Mode of production when now indivedual enterprises produce the composite material of siluer metal oxide and copper first with argon arc welding, the edge of siluer metal oxide plate ingot and thick copper ingot two material is welded, then under the protection of reducibility gas, method hot rolling is repeatedly carried out with hot-rolling mill, in the hot rolling, siluer metal oxide meeting and reducibility gas reaction, restore silver metal, in the silver-bearing copper composite material produced like this, the oxide content of silver is not high, simultaneously this mode of production can not large-scale production, the very little band of a segment length can only be processed at every turn, utilize this kind of technique can not Continuous maching, produce: efficiency is extremely low.
Summary of the invention
The present invention is directed to deficiency of the prior art; providing can a kind of manufacture method of silver oxide composite band and manufacturing equipment; allow in heating process siluer metal oxide band get along well extraneous contact; avoid protective atmosphere and siluer metal oxide band generation reduction reaction, cause siluer metal oxide to be reduced the problem reducing compound silver band performance.Simultaneously siluer metal oxide band is put into the groove being opened in copper strips and is then carried out hot pressing and roll, and compound silver band is combined strong higher, compound fastness is better.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: a kind of manufacture method of silver oxide composite band, its feature comprises following step: steps A): copper strips and silver metal oxidized zone surface are cleaned, remove greasy dirt and the impurity on its surface, then on described copper strips, offer the groove matched with described silver metal oxidized zone, subsequently polishing is carried out to copper strips and burning band; Step B): the one side at described copper strips with described groove offers some wave grooves; Step C): form pending band in the groove described silver metal oxidized zone being put into described copper strips; then two pending bands are put in continuous furnace in the mode of stacked on top of one another; article two, the pending band both sides alignment described in and expose to have the one side of silver metal oxidized zone mutually to recline to allow described wave groove mutually agree with and make described silver metal oxidized zone not contact the external world; in described continuous furnace, heating-up temperature is 550 DEG C ~ 750 DEG C; tape running speed is 1.0 ~ 3.0m/min; be provided with the protective atmosphere shielded in the thermal treatment zone, described protective atmosphere flow is 2 ~ 12m
3/ h; Step D): be separated by separator after the pending band heating described in two completes, then carry out pressure rolling respectively by roll, in the groove making described silver metal oxidized zone in described pending band be mounted to by pressure rolling heat on described copper strips, be compounded to form siluer metal oxide-copper composite band with described copper strips; Step e): two described siluer metal oxide-copper composite band are put in diffusion furnace in the mode of stacked on top of one another and carries out annealing in process, article two, described siluer metal oxide-copper composite band both sides alignment and expose and have the one side of silver metal oxidized zone mutually to recline to make described silver metal oxidized zone not contact the external world, annealing temperature is between 500 DEG C ~ 650 DEG C, and annealing time is between 1h ~ 2h; Step F): be separated by described separator two described siluer metal oxide-copper composite band after having annealed, carry out polishing and clean after separation, then carry out several rolling by cold-rolling mill, every time deflection is not more than 10%; Step G): the described siluer metal oxide-copper composite band complete to pressure rolling is put into described diffusion furnace and to be eliminated stress process, and heating-up temperature is between 250 DEG C ~ 400 DEG C, and heating time is between 1h ~ 1.5h; Step H): anti-oxidant treatment is carried out to the described siluer metal oxide-copper composite band after eliminating stress, described siluer metal oxide-copper composite band smears antioxidant to being exposed on outer copper material; Step I): according to actual conditions, itemize is carried out to described siluer metal oxide-copper composite band; Step J): the siluer metal oxide-copper composite band of described point of complete bar is tested test.
In technique scheme, preferably, described steps A) described in the width of described groove that copper strips is offered equal with described silver metal oxidized zone width, the degree of depth of described groove is 100% ~ 110% of described silver metal oxidized zone height.
In technique scheme, preferably, described step C) described in protective atmosphere be pure nitrogen gas or pure hydrogen.
In technique scheme, preferably, described step e) described in diffusion furnace in be filled with protective atmosphere, described protective atmosphere is pure nitrogen gas, and described nitrogen flow is 1.5 ~ ~ 10.5m
3/ h.
In technique scheme, preferably, described step F) in, described cold-rolling mill is four high finishing mill, and every time finish rolling deflection described is between 5% ~ 10%.
A kind of hot composite rolling mill according to claim 1, comprise conveying device, heater, separator and press-roller device, it is characterized by, described conveying device comprises first conveyer belt, second conveyer belt and the third conveyer belt, the third conveyer belt described in described first conveyer belt and described second conveyer belt are connected by described combiner, separator described in the third described conveyer belt connects through described heater, the press-roller device described in described separator connects.
In technique scheme, preferably, described combiner has just to described second conveyer belt and the inclined-plane that adapts of width and described copper strips, and described both sides, inclined-plane are provided with guide plate, and described first conveyer belt is immediately below described inclined-plane.
In technique scheme, preferably, described separator comprises triangular form separator, described triangular form separator is just to the third described conveyer belt, described triangular form separator point is provided with the roller that several are separated two described pending bands, described triangular form separator is also provided with first feed track, below described triangular form separator, is provided with second feed track, the press-roller device described in described first feed track is connected with described second feed track.
In technique scheme, preferably, described heater is continuous furnace.
Need to carry out heating pressure rolling in the electric contact material of siluer metal oxide and copper compound is produced, but there will be when heating the problem that reduction reaction occurs between silver metal oxidized zone and reducing gas.In heating process, conceal siluer metal oxide in order to what address this problem the invention, avoid it and contact with reducing gas.First on copper strips, the groove matched with siluer metal oxide band is being offered, the width of groove is equal with siluer metal oxide bandwidth, certain high surplus can be had simultaneously, ensure that siluer metal oxide band can be put in the groove of copper strips, the one side that copper strips has described groove also offers some wave grooves.Siluer metal oxide band forms pending band after putting into copper strips, and pending band is that one side exposes the composite band having siluer metal oxide.Entering laser heating stokehold, make two pending bands mutually stacked, the while that now two pending bands one side with siluer metal oxide being bonded to each other, two pending wave grooves brought agree with mutually, siluer metal oxide is allowed to be wrapped in two pending bands, in heating process, in continuous furnace, protective atmosphere only can contact with the copper outside two pending bands and can not contact with siluer metal oxide in two pending bands, doing so avoids siluer metal oxide and reduce the problem of siluer metal oxide content with reducing gas generation reduction reaction in heating process.With separator, then two pending bands separation are carried out pressure rolling respectively by roll again after having heated.The deflection of pressure rolling is not less than 50%, allow the mode compound that silver metal oxidized zone and copper strips are inlayed with heat, because the groove of copper strips and siluer metal oxide band wide, copper strips and silver metal oxidized zone etc. can be allowed after first time pressure rolling flat simultaneously, covered by copper strips in the edge part branch of silver metal oxidized zone, simultaneously copper strips can apply powerful pressure to silver metal oxidized zone both sides copper strips can be allowed to fit tightly silver metal oxidized zone, if necessary, stopper slot can also be offered in silver metal oxidized zone both sides, allow copper strips and silver metal oxidized zone stopper slot closely cooperate when pressure rolling, such copper strips meeting and silver metal oxidized zone combine strong higher, compound fastness is better.Siluer metal oxide-copper composite band is just defined after first time pressure rolling is complete.Then just final product can be become after annealed process, the finish rolling process again of siluer metal oxide-copper composite band, the process that eliminates stress, anti-oxidant treatment, itemize process and verification test.
Compared with prior art; the invention has the beneficial effects as follows: allow in heating process siluer metal oxide band get along well extraneous contact; avoid protective atmosphere and siluer metal oxide band generation reduction reaction, cause siluer metal oxide to be reduced the problem reducing compound silver band performance.Simultaneously siluer metal oxide band is put into the groove being opened in copper strips and is then carried out hot pressing and roll, and compound silver band is combined strong higher, compound fastness is better.
Accompanying drawing explanation
Fig. 1 is the hot composite rolling mill schematic diagram of the present invention.
Fig. 2 is combiner schematic diagram of the present invention.
Fig. 3 is triangular form separator schematic diagram of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of hot composite rolling mill, comprises conveying device, heater, separator 5 and press-roller device 7, and described heater is continuous furnace 4, continuous furnace 4 is connected with several appendixs 41.Described conveying device comprises first conveyer belt 21, second conveyer belt 22 and the third conveyer belt 23, described first conveyer belt 21 is connected the third described conveyer belt 23 with described second conveyer belt 22 by described combiner 3, described combiner 3 has just to described second conveyer belt 22 and the inclined-plane 31 that adapts of width and described copper strips, described both sides, inclined-plane 31 are provided with guide plate 32, and described first conveyer belt 21 is immediately below described inclined-plane 31.The third described conveyer belt 23 connects described separator 5 through described continuous furnace 4, described separator 5 comprises triangular form separator 51, described triangular form separator 51 is just to the third described conveyer belt 23, described triangular form separator 51 point is provided with the roller 52 that several are separated two pending bands, described triangular form separator 51 is also provided with first feed track 61, be provided with second feed track 62 below described triangular form separator 51, described first feed track 61 is connected described press-roller device 7 with described second feed track 62.
A kind of manufacture method of compound silver band, comprise following step: steps A): copper strips and silver metal oxidized zone surface are cleaned, remove greasy dirt and the impurity on its surface, then on described copper strips, offer the groove matched with described silver metal oxidized zone, the width of the described groove that described copper strips is offered is equal with described silver metal oxidized zone width, the degree of depth of described groove is 100% ~ 110% of described silver metal oxidized zone height, subsequently carries out polishing to copper strips and burning band.Step B): carry out machining to described copper strips end, make described copper strips have the formation inclined-plane, end of the one side of described groove, the one side simultaneously having a described groove at described copper strips offers some wave grooves.Step C): form pending band in the groove described silver metal oxidized zone being put into described copper strips, then pending band enters first conveyer belt 21 respectively, second conveyer belt 22 enters in the third conveyer belt 23 in the mode of stacked on top of one another under the effect of combiner 3, pending band both sides alignment now described in two and expose to have the one side of silver metal oxidized zone mutually to recline to allow described wave groove mutually agree with and make described silver metal oxidized zone not contact the external world, in described continuous furnace, heating-up temperature is 550 DEG C ~ 750 DEG C, tape running speed is 1.0 ~ 3.0m/min, the protective atmosphere shielded is provided with in the thermal treatment zone, protective atmosphere enters continuous furnace from appendix 41, described protective atmosphere is pure nitrogen gas or pure hydrogen, described protective atmosphere flow is 2 ~ 12m
3/ h.Step D): be separated by separator after the pending band heating described in two completes, because copper strips end has inclined-plane, triangular form separator 51 can be inserted into easily between two pending bands and allow two pending bands under the effect of triangular form separator 51 top rollers 52, enter first feed track 61 and described second feed track 62 respectively, subsequently carry out pressure rolling respectively by press-roller device 7, siluer metal oxide-copper composite band is compounded to form with described copper strips in the groove making described silver metal oxidized zone in described pending band be mounted on described copper strips by pressure rolling heat, now siluer metal oxide-copper composite band is compared pending band deflection and is greater than 50%.Step e): two described siluer metal oxide-copper composite band are put in diffusion furnace in the mode of stacked on top of one another and carries out annealing in process; article two, described siluer metal oxide-copper composite band both sides alignment and expose and have the one side of silver metal oxidized zone mutually to recline to make described silver metal oxidized zone not contact the external world; annealing temperature is between 500 DEG C ~ 650 DEG C; annealing time is between 1h ~ 2h; protective atmosphere is filled with in diffusion furnace; described protective atmosphere is pure nitrogen gas, and described nitrogen flow is 1.5 ~ ~ 10.5m
3/ h.Step F): two described siluer metal oxide-copper composite band after having annealed are separated by described separator, polishing and clean is carried out after separation, then carry out several rolling by cold-rolling mill, every time finish rolling deflection described is between 5% ~ 10%.Step G): the described siluer metal oxide-copper composite band complete to pressure rolling is put into described diffusion furnace and to be eliminated stress process, and heating-up temperature is between 250 DEG C ~ 400 DEG C, and heating time is between 1h ~ 1.5h.Step H): anti-oxidant treatment is carried out to the described siluer metal oxide-copper composite band after eliminating stress, described siluer metal oxide-copper composite band smears antioxidant to being exposed on outer copper material.Step I): described siluer metal oxide-copper composite band two ends are excised, according to actual conditions, itemize is carried out to described siluer metal oxide-copper composite band.Step J): the siluer metal oxide-copper composite band of described point of complete bar is tested test.
Claims (9)
1. the manufacture method of a silver oxide composite band, its feature comprises following step: steps A): copper strips and silver metal oxidized zone surface are cleaned, remove greasy dirt and the impurity on its surface, then on described copper strips, offer the groove matched with described silver metal oxidized zone, subsequently polishing is carried out to copper strips and burning band; Step B): the one side at described copper strips with described groove offers some wave grooves; Step C): form pending band in the groove described silver metal oxidized zone being put into described copper strips; then two pending bands are put in continuous furnace in the mode of stacked on top of one another; article two, the pending band both sides alignment described in and expose to have the one side of silver metal oxidized zone mutually to recline to allow described wave groove mutually agree with and make described silver metal oxidized zone not contact the external world; in described continuous furnace, heating-up temperature is 550 DEG C ~ 750 DEG C; tape running speed is 1.0 ~ 3.0m/min; be provided with the protective atmosphere shielded in the thermal treatment zone, described protective atmosphere flow is 2 ~ 12m
3/ h; Step D): be separated by separator after the pending band heating described in two completes, then carry out pressure rolling respectively by roll, in the groove making described silver metal oxidized zone in described pending band be mounted to by pressure rolling heat on described copper strips, be compounded to form siluer metal oxide-copper composite band with described copper strips; Step e): two described siluer metal oxide-copper composite band are put in diffusion furnace in the mode of stacked on top of one another and carries out annealing in process, article two, described siluer metal oxide-copper composite band both sides alignment and expose and have the one side of silver metal oxidized zone mutually to recline to make described silver metal oxidized zone not contact the external world, annealing temperature is between 500 DEG C ~ 650 DEG C, and annealing time is between 1h ~ 2h; Step F): be separated by described separator two described siluer metal oxide-copper composite band after having annealed, carry out polishing and clean after separation, then carry out several rolling by cold-rolling mill, every time deflection is not more than 10%; Step G): the described siluer metal oxide-copper composite band complete to pressure rolling is put into described diffusion furnace and to be eliminated stress process, and heating-up temperature is between 250 DEG C ~ 400 DEG C, and heating time is between 1h ~ 1.5h; Step H): anti-oxidant treatment is carried out to the described siluer metal oxide-copper composite band after eliminating stress, described siluer metal oxide-copper composite band smears antioxidant to being exposed on outer copper material; Step I): according to actual conditions, itemize is carried out to described siluer metal oxide-copper composite band; Step J): the siluer metal oxide-copper composite band of described point of complete bar is tested test.
2. the manufacture method of a kind of silver oxide composite band according to claim 1, it is characterized by, described steps A) described in the width of described groove that copper strips is offered equal with described silver metal oxidized zone width, the degree of depth of described groove is 100% ~ 110% of described silver metal oxidized zone height.
3. the manufacture method of a kind of silver oxide composite band according to claim 1, is characterized by, described step C) described in protective atmosphere be pure nitrogen gas or pure hydrogen.
4. the manufacture method of a kind of silver oxide composite band according to claim 1, is characterized by, described step e) described in diffusion furnace in be filled with protective atmosphere, described protective atmosphere is pure nitrogen gas, and described nitrogen flow is 1.5 ~ ~ 10.5m
3/ h.
5. the manufacture method of a kind of silver oxide composite band according to claim 1, is characterized by, described step F) in, described cold-rolling mill is four high finishing mill, and every time finish rolling deflection described is between 5% ~ 10%.
6. a hot composite rolling mill according to claim 1, comprise conveying device, heater, separator and press-roller device, it is characterized by, described conveying device comprises first conveyer belt, second conveyer belt and the third conveyer belt, the third conveyer belt described in described first conveyer belt and described second conveyer belt are connected by described combiner, separator described in the third described conveyer belt connects through described heater, the press-roller device described in described separator connects.
7. hot composite rolling mill according to claim 6, it is characterized by, described combiner has just to described second conveyer belt and the inclined-plane that adapts of width and described copper strips, and described both sides, inclined-plane are provided with guide plate, and described first conveyer belt is immediately below described inclined-plane.
8. hot composite rolling mill according to claim 6, it is characterized by, described separator comprises triangular form separator, described triangular form separator is just to the third described conveyer belt, described triangular form separator point is provided with the roller that several are separated two described pending bands, described triangular form separator is also provided with first feed track, below described triangular form separator, is provided with second feed track, the press-roller device described in described first feed track is connected with described second feed track.
9. hot composite rolling mill according to claim 6, is characterized by, and described heater is continuous furnace.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539621.1A CN105225856B (en) | 2015-08-28 | 2015-08-28 | The manufacture method and manufacturing equipment of a kind of compound silver band |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539621.1A CN105225856B (en) | 2015-08-28 | 2015-08-28 | The manufacture method and manufacturing equipment of a kind of compound silver band |
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| CN105225856A true CN105225856A (en) | 2016-01-06 |
| CN105225856B CN105225856B (en) | 2018-02-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08255528A (en) * | 1993-12-17 | 1996-10-01 | Takeshi Ishikawa | Three layer contact manufacturing header, and manufacture of three layer contact |
| CN1971790A (en) * | 2006-11-24 | 2007-05-30 | 林羽锦 | Machining technique of silver/copper/iron composite strip material |
| CN101053874A (en) * | 2007-05-23 | 2007-10-17 | 福达合金材料股份有限公司 | Method for preparing double side mosaic type hot-rolling composite silver copper strip |
| CN103730279A (en) * | 2013-12-26 | 2014-04-16 | 浙江科扬新材料科技有限公司 | Method for manufacturing compound silver band |
-
2015
- 2015-08-28 CN CN201510539621.1A patent/CN105225856B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08255528A (en) * | 1993-12-17 | 1996-10-01 | Takeshi Ishikawa | Three layer contact manufacturing header, and manufacture of three layer contact |
| CN1971790A (en) * | 2006-11-24 | 2007-05-30 | 林羽锦 | Machining technique of silver/copper/iron composite strip material |
| CN101053874A (en) * | 2007-05-23 | 2007-10-17 | 福达合金材料股份有限公司 | Method for preparing double side mosaic type hot-rolling composite silver copper strip |
| CN103730279A (en) * | 2013-12-26 | 2014-04-16 | 浙江科扬新材料科技有限公司 | Method for manufacturing compound silver band |
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