CN103194706A - Method and device for silver-copper wire production - Google Patents
Method and device for silver-copper wire production Download PDFInfo
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- CN103194706A CN103194706A CN2012100142111A CN201210014211A CN103194706A CN 103194706 A CN103194706 A CN 103194706A CN 2012100142111 A CN2012100142111 A CN 2012100142111A CN 201210014211 A CN201210014211 A CN 201210014211A CN 103194706 A CN103194706 A CN 103194706A
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- silver
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Abstract
The invention relates to a method and a device for coated metal wire production and especially relates to a method and a device for silver-copper wire production. The method comprises the following steps of brushing a copper blank wire needing to be coated, cleaning the copper blank wire by a wool felt scrubber, re-heating the copper blank wire, coating a soldering flux on the surface of the pre-heated copper blank wire, dipping the copper blank wire coated with the soldering flux into a silver solution, taking out the copper wire with silver from the silver solution, carrying out air cooling, and carrying out reeling. The device comprises brass wire brush wheels, the wool felt scrubber, a traction conveyor, a pre-heating furnace, a weld-aiding furnace, a silver solution supplement channel, a metal channel, a heater, a guide wheel, an air cooling device and a reeling disc. Through the method and the device, a silver layer and a copper blank layer of the silver-copper wire can be bonded tightly; the silver layer falls off difficultly; and production processes are safe and environmentally friendly.
Description
Technical field
The present invention relates to a kind of production method and equipment thereof of coated metal line, be specifically related to a kind of production method and equipment thereof of silver-bearing copper line.
Background technology
Silver is a kind of argenteous metal, and it has good ductility, and its electroconductibility and thermal conduction all are the highest in all metals.
Silver-coated copper wire is plating silver layer and making with one heart on the copper core.It combines the characteristics of two kinds of metals, have good conductivity and the bright and surface of gloss, and silver layer has very high erosion resistance.Just because of these advantages, silver-coated copper wire is widely used in fields such as space flight, aviation, military project, communication, also becomes the first-selected product of high-frequency line and coloured braided wire.
Traditional silver-bearing copper line production method is electroplating technology.Derust through oil removing earlier; The thin silver of preplating or immerse in the solution that is made into by mercury chloride etc. carries out amalgamation to handle again, makes at product surface coverage last layer copper amalgam; Then product is made negative electrode, the fine silver plate is made anode, immerses in the silver potassium cyanide electrolytic solution that is made into by Silver Nitrate and potassium cyanide, electroplates.Be coated with silver-colored effect though the silver-coated copper wire that this method is produced has reached, can't resolve the basic bonding force problem of silver layer and copper.And the mercury that hypertoxic prussiate and amalgamation are used is from what all known to environment damage and influence, has increased this product safety and environmental protection risk in process of production.
Non-cyanide silver coating though do not use hypertoxic prussiate, adds organic additive in electroplating process, can make the silver layer of silver-plated product that impurity, space are arranged, and influences quality product.
Summary of the invention
For overcoming above-mentioned silver-bearing copper line production method and the existing defective of equipment, technical problem to be solved by this invention provides that a kind of silver layer is combined closely with copper base layer, the silver-bearing copper line production method of silver layer difficult drop-off and safety and environmental protection.
Corresponding therewith, another technical problem that will solve of the present invention provides that a kind of silver layer is combined closely with copper base layer, the silver-bearing copper line production unit of silver layer difficult drop-off and safety and environmental protection.
The production method step that the present invention solves the problems of the technologies described above is as follows:
(1), copper base line is rotated by the brass wire brush wheel cleans with water, remove oxide skin and the greasy dirt on copper base line surface.
(2), the copper base line that will clean with water wipes device by wool felt, wipes with wool felt and carries out wiping, further removes greasy dirt and the impurity on copper base line surface.
(3), the copper base line of wiping is carried out preheating through preheating oven, preheating temperature remains on 700 ℃-750 ℃
(4), with the copper base line of preheating by being placed with the brazier that helps of soldering flux, allow its surface enclose the soldering flux that is molten state after one deck is heated.Further remove the oxide compound on copper base line surface, reduce the tension force on copper base line surface, prevent that copper base line from reoxidizing after entering silvering solution.
(5), with metal trough heating, make the silvering solution temperature in the metal trough remain on 950 ℃-1000 ℃
(6), the copper base line that will be covered with soldering flux is drawn to the metal trough top, falls guide wheel, and copper base line pressure is gone in the silvering solution that has heated, the immersion time is 2 seconds to 10 seconds.
(7), from silvering solution, involve the round copper wire that has been coated with silver, reel after air-cooled.
As preferably, described step (3) remains on 700 ℃ of-710 ℃ of the bests with the temperature of copper base line preheating.
As preferably, the soldering flux of described step (4) is borax or boric acid.
As preferably, the temperature after the soldering flux of described step (4) is heated remains on 740 ℃-750 ℃.
As preferably, the silvering solution Heating temperature with in the metal trough of described step (5) remains on 990 ℃ of-1000 ℃ of the bests.
The present invention the equipment that provides is provided adopts transversary to comprise: the brass wire brush wheel of cleaning copper base line with water, the wool felt of wiping copper base line is wiped device, transmit the traction conveyer of copper base line, the preheating oven that copper base line is carried out preheating, the brazier that helps at copper base line surface coverage soldering flux, replenishing the silvering solution of silvering solution adds, hold the metal trough of silvering solution, well heater to the metal trough heating, compacting copper base line enters the guide wheel of silvering solution, the air cooling equipment that the silver-bearing copper line that leaches is cooled off, draw the dish that furls of copper base line.
Described silvering solution is added a side that is arranged on the silvering solution groove, and is communicated with the silvering solution groove, and described well heater is placed on below and the side, the left and right sides of metal trough.Described guide wheel is fixed on the metal trough top, but oscilaltion.
Described preheating oven is the electromagnetism preheating oven.
Described well heater is electromagnetic heater.
Described metal trough is heat-resisting alloy metal trough processed.
Adopt the silver-bearing copper line of aforesaid method and device fabrication, owing to do not use hypertoxic prussiate and mercury, traditional relatively electrochemical plating, safety and environmental protection in process of production.Be coated with in the silver-colored process in heat, do not use organic additive, solved copper base layer and silver layer in conjunction with problem, make the two in conjunction with closely, guaranteed the silver layer tight, inclusion-free, difficult drop-off.
Description of drawings:
Fig. 1 is silver-bearing copper line production unit structural representation of the present invention.
Wherein: copper base line 1, brass wire brush wheel 2, wool felt wipe device 3, traction conveyer 4, preheating oven 5, help that brazier 6, silvering solution add 7, metal trough 8, well heater 9, guide wheel 10, air cooling equipment 11, furl dish 12.
Fig. 2 is pressed into copper base line 1 for guide wheel 10 among Fig. 1 the side schematic view of silvering solution.
Wherein: copper base line 1, guide wheel 10, metal trough 8.
Fig. 3 is the schematic perspective view of the guide wheel 10 among Fig. 1, Fig. 2.
Embodiment:
The production method that the present invention solves the problems of the technologies described above is as follows:
(1), copper base line 1 taken turns to be rotated by brass wire brush 2 cleans with water, remove oxide skin and the greasy dirt on copper base line surface.
(2), the copper base line 1 that will clean with water wipes device 3 by wool felt, wipes with wool felt and carries out wiping, further removes greasy dirt and the impurity on copper base line surface.
(3), the copper base line 1 of wiping is carried out preheating through preheating oven 5, preheating temperature remains on 700 ℃-750 ℃, remains on 700 ℃ of-710 ℃ of the bests.
(4), the copper base line 1 of preheating is helped brazier 6 by what be placed with soldering flux, allow its surface enclose the soldering flux soldering flux that is molten state after one deck is heated.Further remove the oxide compound on copper base line surface, reduce the tension force on copper base line surface, prevent that copper base line from reoxidizing after entering silvering solution.Described soldering flux is borax or boric acid, and the temperature after described soldering flux is heated remains on 740 ℃-750 ℃.
(5), with metal trough 8 heating, making the silvering solution temperature in the metal trough 8 is 950 ℃-1000 ℃, remains on 990 ℃ of-1000 ℃ of the bests.
(6), the copper base line 1 that will be covered with soldering flux is drawn to metal trough 8 tops,, decline guide wheel 10, groove alignment copper base line 1 with guide wheel 10, copper base line 1 is pressed in the silvering solution that has heated, compression distance is no more than guide wheel 10 radiuses, allow copper base line 1 pass in and out silvering solution in the mode that the oblique the other end of an end tiltedly goes out, allow silvering solution in copper base line 1 surface attachment, the immersion time is 2 seconds to 10 seconds.
(7), from silvering solution, involve the copper base line 1 that has been coated with silver, by air cooling equipment 11, through 360 degree to the wind of silver-bearing copper line cooling after, coil 12 and furl with furling.
The present invention the equipment that provides is provided adopts transversary to comprise: the brass wire brush wheel of cleaning copper base line with water, the wool felt of wiping copper base line is wiped device, transmit the traction conveyer of copper base line, the preheating oven that copper base line is carried out preheating, the brazier that helps at copper base line surface coverage soldering flux, replenishing the silvering solution of silvering solution adds, hold the metal trough of silvering solution, well heater to the metal trough heating, compacting copper base line enters the guide wheel of silvering solution, the air cooling equipment that the silver-bearing copper line that leaches is cooled off, draw the dish that furls of copper base line.
Described silvering solution is added a side that is arranged on the silvering solution groove, and is communicated with the silvering solution groove, and described well heater is placed on below and the side, the left and right sides of metal trough.Described guide wheel is fixed on the metal trough top, but oscilaltion.
Described preheating master stove is the electromagnetism preheating oven.
Described well heater is electromagnetic heater.
Described metal trough is heat-resisting alloy metal trough processed.
In specific implementation process, if, can leading to silvering solution to reach coating result, the silvering solution quantity not sufficient adds that 7 replenish the silvering solution of molten state; The transfer rate that can pass through to change copper base line 1 is grasped the silver thickness that is coated with round copper wire with the time that control copper base line 1 immerses silvering solution; Can be by furling concentricity and the uniformity coefficient that the angle changes coating that involve that dish changes copper base line.
Although above the specific embodiment of the present invention has been given to describe in detail and explanation; but what should indicate is; we can carry out various equivalences to above-mentioned embodiment according to conception of the present invention and change and modification; when its function that produces does not exceed spiritual that specification sheets and accompanying drawing contain yet, all should be within protection scope of the present invention.
Claims (11)
1. silver-bearing copper line production method, this method steps is as follows:
(1), copper base line is cleaned with water;
(2), with the copper base line wiping of cleaning with water;
(3), the copper base line with wiping is preheated to 700 ℃-750 ℃;
(4), the copper base line surface of preheating is covered with the soldering flux that is molten state after being heated;
(5), the silvering solution that will treat coating is heated to 960 ℃-1000 ℃;
(6), the copper base line that will be covered with soldering flux immerses in the metal liquid heated, the immersion time is 2 seconds to 10 seconds;
(7), from silvering solution, involve the copper base line that has been coated with silver, reel after air-cooled.
2. silver-bearing copper line production method according to claim 1, it is characterized in that: described copper base line is 3mm-10mm.
3. silver-bearing copper line production method according to claim 1, it is characterized in that: described copper base line preheating temperature remains on 700 ℃-710 ℃.
4. silver-bearing copper line production method according to claim 1, it is characterized in that: described soldering flux is boric acid or borax.
5. according to claim 1 or 4 described silver-bearing copper line production methods, it is characterized in that: the temperature after described soldering flux is heated remains on 740 ℃-750 ℃.
6. silver-bearing copper line production method according to claim 1 is characterized in that: the described temperature of the silvering solution heating of coating of will treating remains on 990 ℃-1000 ℃.
7. production unit of be used for realizing the described silver-bearing copper line of claim 1 production method, adopt transversary, comprise that brass wire brush wheel, wool felt are wiped device, traction conveyer, preheating oven, helped that brazier, silvering solution are added, metal trough, well heater, guide wheel, air cooling equipment, furl dish.Described silvering solution is added a side that is arranged on the silvering solution groove, and is communicated with the silvering solution groove, and described well heater is placed on below and the side, the left and right sides of metal trough.Described guide wheel is fixed on the metal trough top, but oscilaltion.
8. equipment according to claim 7, it is characterized in that: described preheating oven is the electromagnetism preheating oven.
9. equipment according to claim 7, it is characterized in that: described well heater is electric heater.
10. equipment according to claim 7, it is characterized in that: described metal trough is refractory alloy metal trough processed.
11. equipment according to claim 7 is characterized in that: be provided with groove in the middle of the described guide wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100142111A CN103194706A (en) | 2012-01-10 | 2012-01-10 | Method and device for silver-copper wire production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100142111A CN103194706A (en) | 2012-01-10 | 2012-01-10 | Method and device for silver-copper wire production |
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| CN103194706A true CN103194706A (en) | 2013-07-10 |
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| CN2012100142111A Pending CN103194706A (en) | 2012-01-10 | 2012-01-10 | Method and device for silver-copper wire production |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855518A (en) * | 2016-06-21 | 2016-08-17 | 金锢电气有限公司 | Production method of copper-aluminum conductor |
| CN107988480A (en) * | 2017-11-24 | 2018-05-04 | 苏州金钜松机电有限公司 | A kind of filament cooling device |
| CN109661046A (en) * | 2017-10-11 | 2019-04-19 | 新疆斯伟达热控设备技术有限公司 | A kind of implicit connector |
| CN112086221A (en) * | 2020-09-17 | 2020-12-15 | 江西瑞顺超细铜线科技协同创新有限公司 | Silver alloy copper wire and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07243016A (en) * | 1994-03-08 | 1995-09-19 | Totoku Electric Co Ltd | Production of hot dip coated wire |
| CN1300868A (en) * | 1999-12-23 | 2001-06-27 | 山东工业大学 | Hot-dip technology for producing steel-in-copper wires by flux activating method and its apparatus |
| JP2003064462A (en) * | 2001-08-21 | 2003-03-05 | Totoku Electric Co Ltd | Suspension wire, and production method therefor |
| CN1750174A (en) * | 2005-10-14 | 2006-03-22 | 伍开南 | Silver layer circular copper wire and its producing method and device |
| CN201770763U (en) * | 2010-01-19 | 2011-03-23 | 东莞市精锋电工机械有限公司 | Automatic soldering machine |
-
2012
- 2012-01-10 CN CN2012100142111A patent/CN103194706A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07243016A (en) * | 1994-03-08 | 1995-09-19 | Totoku Electric Co Ltd | Production of hot dip coated wire |
| CN1300868A (en) * | 1999-12-23 | 2001-06-27 | 山东工业大学 | Hot-dip technology for producing steel-in-copper wires by flux activating method and its apparatus |
| JP2003064462A (en) * | 2001-08-21 | 2003-03-05 | Totoku Electric Co Ltd | Suspension wire, and production method therefor |
| CN1750174A (en) * | 2005-10-14 | 2006-03-22 | 伍开南 | Silver layer circular copper wire and its producing method and device |
| CN201770763U (en) * | 2010-01-19 | 2011-03-23 | 东莞市精锋电工机械有限公司 | Automatic soldering machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855518A (en) * | 2016-06-21 | 2016-08-17 | 金锢电气有限公司 | Production method of copper-aluminum conductor |
| CN105855518B (en) * | 2016-06-21 | 2018-01-16 | 金锢电气有限公司 | A kind of production method of copper aluminium conductor |
| CN109661046A (en) * | 2017-10-11 | 2019-04-19 | 新疆斯伟达热控设备技术有限公司 | A kind of implicit connector |
| CN107988480A (en) * | 2017-11-24 | 2018-05-04 | 苏州金钜松机电有限公司 | A kind of filament cooling device |
| CN112086221A (en) * | 2020-09-17 | 2020-12-15 | 江西瑞顺超细铜线科技协同创新有限公司 | Silver alloy copper wire and preparation method thereof |
| CN112086221B (en) * | 2020-09-17 | 2021-11-26 | 江西瑞顺超细铜线科技协同创新有限公司 | Silver alloy copper wire and preparation method thereof |
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Application publication date: 20130710 |