CN104157370A - Wire twisting method and apparatus for removing oxide film on the surface of aluminum or aluminum alloy conductor - Google Patents
Wire twisting method and apparatus for removing oxide film on the surface of aluminum or aluminum alloy conductor Download PDFInfo
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- CN104157370A CN104157370A CN201410415398.5A CN201410415398A CN104157370A CN 104157370 A CN104157370 A CN 104157370A CN 201410415398 A CN201410415398 A CN 201410415398A CN 104157370 A CN104157370 A CN 104157370A
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Abstract
The invention discloses a wire twisting method and apparatus for removing an oxide film on the surface of an aluminum or aluminum alloy conductor, and belongs to the technical field of cable production. A hollow lead circumferential rotating disk is designed for wire collection, a lead is preprocessed in an alkaline steam environment so as to damage the oxide film on the surface of the lead, then during a wire twisting process, the generated oxide film is neutralized and damaged by use of acidic titration, and drying is performed by addition of a drying device, such that it is ensured that after wire twisting, the contact surfaces of the lead and the lead after compaction by a pressing mold are contacted in the form of metal, and the wire twisting electrical performance is improved.
Description
Technical field
The present invention relates to a kind of method of removing the oxide-film of aluminium and aluminium alloy conductor surface thereof, especially in cable production process, remove method and the device of the oxide-film of aluminium alloy conductor surface.
Background technology
Copper is irreplaceable important source material in economic development, has been widely used in the every field of war industry, electric power, electric, communication, building, light industry, machine-building and communications and transportation.Along with economic sustained and rapid development, copper consumption figure is also increasing substantially.Due to the shortage of copper resource, being supplied in order to restrict " bottleneck " of Devel Opment of Copper Industry of copper raw material.Cables manufacturing enterprise is copper material consumption rich and influential family, and sharp rising of the shortage of copper material and price brings predicament to cables manufacturing enterprise.
And as price and density, only have the aluminium of copper 1/3, by people, paid attention to gradually.At present in cable market, the application of aluminium and aluminium alloy conductor is on the increase.
Certainly aluminium and aluminium alloy conductor thereof also have the defect that himself exists, and what wherein in cable production process, particularly give prominence to is exactly that its surface easily produces oxidation.
The conductor DC resistance of regulation in GB/T 3956, the larger conductor resistance in cross section is less, and in the measurement of aluminium and aluminium alloy conductor thereof, the larger error in cross section is larger, is exactly mainly wherein because due to the oxide-film of conductor contact face.During measurement, press greatly, oxide-film part is destroyed, and D.C. resistance is just better; Press littlely, D.C. resistance just may be defective.The oxide-film of aluminium and aluminium alloy conductor surface thereof affects aluminium and aluminium alloy conductor thereof for the quality of cable.
Summary of the invention
The object of the invention is easily to form fine and close oxide-film for aluminium and aluminium alloy conductor surface thereof, thereby cause the electrical property of conductor to reduce, a kind of twisted wire method and device of removing aluminium and aluminium alloy conductor surface oxide-film thereof is provided.From monofilament becomes the process of twisted wire, dispose the fine and close oxide-film on aluminium surface, reduce the oxide layer quantity between aluminium monofilament and aluminium monofilament, guarantee non-oxide metal level close contact, guarantee electrical communications.
First technical scheme of the present invention is that the twisted wire method of removal aluminium and aluminium alloy conductor surface oxide-film thereof, comprises the following steps:
1) aluminium and aluminium alloy conductor thereof, at the monofilament wire after wire drawing machine wire drawing, adopt Revolving disc to carry out take-up;
2) Revolving disc of step 1) take-up is entered to vaporium, steam lead is connected with Revolving disc hollow shaft one end, other end sealing destroys preliminary treatment to wire oxide-film under the NaOH of 5% solubility, 2 times of atmospheric steam ambient, and the time is 3-10 hour;
3) by step 2) pretreated Revolving disc is arranged on the pay off rack of stranding machine from vaporium takes out;
4) wire from the pay off rack of step 3) stranding machine out, after noseplate, enter distributor plate, in the middle of noseplate and distributor plate, be provided with the titration kit of 1%～2% solubility HCL, HCL drops on wire an alkaline matter while being Pre process, and the 2nd, dissolving what from vaporium, out just formed is not very fine and close oxide layer;
5) wire of processing through step 4) HCL, enters sponge Wiper plate, removes remained on surface chemistry and oxidation material;
6) in Wiper plate outlet, be provided with a blow-dry device, by the residual chemical solution of the conductive line surfaces wire that blows off, and the wire parallel module that enters stranding machine presses, and carries out twisted wire and makes aluminum or aluminum alloy stranded conductor.
Described Revolving disc is hollow type Revolving disc, hollow shaft, load-bearing ridge and former, consists of, and load-bearing ridge and former are radial and are distributed on hollow shaft two ends around, and hollow shaft and former are provided with air-vent.
Described titration kit is continous way numeral titration kit.
Second technical scheme of the present invention is, remove the stranded wire apparatus of aluminium and aluminium alloy conductor surface oxide-film thereof, the pay off rack, noseplate, distributor plate, the wire parallel module that comprise stranding machine, it is characterized in that, be provided with hollow type Revolving disc, titration kit, liquid storage tank, Wiper plate, blowing dryer, hollow type Revolving disc is arranged on the pay off rack of stranding machine, Wiper plate is arranged between the distributor plate and wire parallel module of stranding machine, between the distributor plate of stranding machine and Wiper plate, titration kit and liquid storage tank are set, blowing dryer is arranged between Wiper plate and the distributor plate of stranding machine.
Described hollow type Revolving disc, consists of hollow shaft, load-bearing ridge and former, and load-bearing ridge and former are radial and are distributed on hollow shaft two ends around, and hollow shaft and former are provided with air-vent.
Described titration kit is continous way numeral titration kit
.
Described titration kit is arranged on aluminium and aluminium alloy conductor top thereof.
Described liquid storage tank is arranged on aluminium and aluminium alloy conductor below thereof.
The present invention is scientific and reasonable, can effectively remove aluminium and aluminium alloy conductor surface oxide-film thereof, aluminum or aluminum alloy stranded conductor electric property.Aluminium and aluminium alloy conductor thereof be after wire drawing machine wire drawing, the remaining wire drawing liquid of monofilament conductive line surfaces and steam, and oxide-film forms rapidly.Because wire drawing is complete, not afterwards to drop into immediately twisted wire to produce, can exist and shelve the storage period.The present invention has designed the wire Revolving disc take-up of hollow out, preliminary treatment wire under alkaline steam environment, the oxide-film of destruction conductive line surfaces.Al2O3+2NaOH=2NaAlO2+H2O under alkali condition, oxide-film is destroyed at this environment, in this process, does not produce oxide-film.Again in twisted wire process, adopt acid titration neutralization and destroy the oxide-film generating, due to after having adopted preliminary treatment, former oxide layer is destroyed, and from vaporium, out rear surface still exists that alkaline matter and conductive line surfaces generate rapidly is not very fine and close oxide-film.So after tray is arranged on stranding machine, still carries out acid titration neutralization and destroy the oxide-film generating, adopt Wiper plate wiping, blow-dry device is set and dries up.Guarantee that wire and wire are after pressing mold presses after twisted wire, contact-making surface is touched mutually with metallic forms, improves twisted wire electric property.
Accompanying drawing explanation
Fig. 1 is Revolving disc structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that hollow shaft one end of Revolving disc of the present invention connects steam lead, the schematic diagram of other end sealing.
Fig. 4 is the device schematic diagram that pretreated monofilament wire of the present invention carries out twisted wire.
In figure: 1-air-vent, 2-load-bearing ridge, 3-hollow shaft, 4-steam connection tube, 5-sealing plug, 6-aluminum or aluminum alloy wire, 7-distributor plate, 8-titration kit, 9-liquid storage tank, 10-Wiper plate, 11-blowing dryer, 12-wire parallel module, 13-aluminum or aluminum alloy stranded conductor.
Embodiment
Embodiment 1
The twisted wire method of removing aluminium and aluminium alloy conductor surface oxide-film thereof, comprises the following steps:
1) aluminium and aluminium alloy conductor thereof do not drop into immediately the monofilament wire of twisted wire after wire drawing machine wire drawing, adopt Revolving disc to carry out take-up; Described Revolving disc is hollow type Revolving disc, hollow shaft, load-bearing ridge and former, consists of, and load-bearing ridge and former are radial and are distributed on around hollow shaft two ends, and hollow shaft and former are provided with air-vent.
2) before dropping into twisted wire production, the Revolving disc of step 1) take-up is entered to vaporium, steam lead is connected with Revolving disc cable axle one end, other end sealing destroys preliminary treatment to wire oxide-film under the NaOH of approximately 5% solubility, 2 times of atmospheric steam ambient, and the time is 3-10 hour;
3) by step 2) pretreated Revolving disc is arranged on the pay off rack of stranding machine from vaporium takes out;
4) wire from the pay off rack of step 3) stranding machine out, after noseplate, enter distributor plate, in the middle of noseplate and distributor plate, add the HCL titration kit of 1%～2% solubility, HCL drops on wire an alkaline matter while being Pre process, and the 2nd, dissolving what from vaporium, out just formed is not very fine and close oxide layer; Described titration kit is continous way numeral titration kit
.
5) wire of processing through step 3) HCL, enters sponge Wiper plate, removes remained on surface chemistry and oxidation material;
6) in Wiper plate outlet, be provided with a blow-dry device, by the residual chemical solution of the conductive line surfaces wire that blows off, and enter twisted wire wire parallel module and press, carry out twisted wire and be made into aluminum or aluminum alloy stranded conductor.
Embodiment 2
Remove the stranded wire apparatus of aluminium and aluminium alloy conductor surface oxide-film thereof, the pay off rack, noseplate, distributor plate, the wire parallel module that comprise stranding machine, hollow type Revolving disc, HCL titration kit, liquid storage tank, Wiper plate, blowing dryer, hollow type Revolving disc is arranged on the pay off rack of stranding machine, Wiper plate is arranged between the distributor plate and wire parallel module of stranding machine, HCL continous way numeral titration kit and HCL liquid storage tank are set between the distributor plate of stranding machine and Wiper plate, and HCL titration kit is arranged on aluminium and aluminium alloy conductor wire top thereof.HCL liquid storage tank is arranged on aluminium and aluminium alloy conductor silk below thereof.Blowing dryer is arranged between Wiper plate and the distributor plate of stranding machine.Hollow type Revolving disc, consists of hollow shaft, load-bearing ridge and former, and load-bearing ridge and former are radial and are distributed on around hollow shaft, and hollow shaft and former are provided with air-vent.
Claims (8)
1. remove the twisted wire method of aluminium and aluminium alloy conductor surface oxide-film thereof, it is characterized in that, comprise the following steps:
1) aluminium and aluminium alloy conductor thereof, at the monofilament wire after wire drawing machine wire drawing, adopt Revolving disc to carry out take-up;
2) Revolving disc of step 1) take-up is entered to vaporium, steam lead is connected with Revolving disc hollow shaft one end, other end sealing destroys preliminary treatment to wire oxide-film under the NaOH of 5% solubility, 2 times of atmospheric steam ambient, and the time is 3-10 hour;
3) by step 2) pretreated Revolving disc is arranged on the pay off rack of stranding machine from vaporium takes out;
4) wire from the pay off rack of step 3) stranding machine out, after noseplate, enter distributor plate, in the middle of noseplate and distributor plate, be provided with the titration kit of 1%～2% solubility HCL, HCL drops on wire an alkaline matter while being Pre process, and the 2nd, dissolving what from vaporium, out just formed is not very fine and close oxide layer;
5) wire of processing through step 4) HCL, enters sponge Wiper plate, removes remained on surface chemistry and oxidation material;
6) in Wiper plate outlet, be provided with a blow-dry device, by the residual chemical solution of the conductive line surfaces wire that blows off, and the wire parallel module that enters stranding machine presses, and carries out twisted wire and makes aluminum or aluminum alloy stranded conductor.
2. the twisted wire method of removal aluminium according to claim 1 and aluminium alloy conductor surface oxide-film thereof, it is characterized in that, described Revolving disc is hollow type Revolving disc, by hollow shaft, load-bearing ridge and former, formed, load-bearing ridge and former are radial and are distributed on hollow shaft two ends around, and hollow shaft and former are provided with air-vent.
3. the twisted wire method of removal aluminium according to claim 1 and aluminium alloy conductor surface oxide-film thereof, is characterized in that, described titration kit is continous way numeral titration kit.
4. remove the stranded wire apparatus of aluminium and aluminium alloy conductor surface oxide-film thereof, the pay off rack, noseplate, distributor plate, the wire parallel module that comprise stranding machine, it is characterized in that, be provided with hollow type Revolving disc, titration kit, liquid storage tank, Wiper plate, blowing dryer, hollow type Revolving disc is arranged on the pay off rack of stranding machine, Wiper plate is arranged between the distributor plate and wire parallel module of stranding machine, between the distributor plate of stranding machine and Wiper plate, titration kit and liquid storage tank are set, blowing dryer is arranged between Wiper plate and the distributor plate of stranding machine.
5. the stranded wire apparatus of removal aluminium according to claim 4 and aluminium alloy conductor surface oxide-film thereof, it is characterized in that, described hollow type Revolving disc, by hollow shaft, load-bearing ridge and former, formed, load-bearing ridge and former are radial and are distributed on hollow shaft two ends around, and hollow shaft and former are provided with air-vent.
6. the stranded wire apparatus of removal aluminium according to claim 4 and aluminium alloy conductor surface oxide-film thereof, is characterized in that, described titration kit is continous way numeral titration kit
.
7. the stranded wire apparatus of removal aluminium according to claim 4 and aluminium alloy conductor surface oxide-film thereof, is characterized in that, described titration kit is arranged on aluminium and aluminium alloy conductor top thereof.
8. the stranded wire apparatus of removal aluminium according to claim 4 and aluminium alloy conductor surface oxide-film thereof, is characterized in that, described liquid storage tank is arranged on aluminium and aluminium alloy conductor below thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415398.5A CN104157370B (en) | 2014-08-22 | 2014-08-22 | Remove the twisted wire method and device of aluminum or aluminum alloy conductive surface oxide-film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415398.5A CN104157370B (en) | 2014-08-22 | 2014-08-22 | Remove the twisted wire method and device of aluminum or aluminum alloy conductive surface oxide-film |
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| Publication Number | Publication Date |
|---|---|
| CN104157370A true CN104157370A (en) | 2014-11-19 |
| CN104157370B CN104157370B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410415398.5A Active CN104157370B (en) | 2014-08-22 | 2014-08-22 | Remove the twisted wire method and device of aluminum or aluminum alloy conductive surface oxide-film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539588A (en) * | 2021-06-30 | 2021-10-22 | 孙嘉睿 | High-hardness aluminum alloy conductor production device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB894048A (en) * | 1959-10-12 | 1962-04-18 | British Oxygen Co Ltd | Manufacture and treatment of wires |
| GB2026544B (en) * | 1978-07-11 | 1982-12-15 | Sumitomo Electric Industries | Method of drawing a conductor |
| CN101269397A (en) * | 2008-04-08 | 2008-09-24 | 宝钛集团有限公司 | Method and equipment for removing oxidizing layer of titanium and titanium alloy wire material |
| CN101676439A (en) * | 2008-09-18 | 2010-03-24 | 浙江帝龙新材料股份有限公司 | Aluminum strip continuous anodic oxidation automatic production line |
| CN103464969A (en) * | 2013-08-19 | 2013-12-25 | 昆山乔锐金属制品有限公司 | Surface treatment method for steel wire rod |
-
2014
- 2014-08-22 CN CN201410415398.5A patent/CN104157370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB894048A (en) * | 1959-10-12 | 1962-04-18 | British Oxygen Co Ltd | Manufacture and treatment of wires |
| GB2026544B (en) * | 1978-07-11 | 1982-12-15 | Sumitomo Electric Industries | Method of drawing a conductor |
| CN101269397A (en) * | 2008-04-08 | 2008-09-24 | 宝钛集团有限公司 | Method and equipment for removing oxidizing layer of titanium and titanium alloy wire material |
| CN101676439A (en) * | 2008-09-18 | 2010-03-24 | 浙江帝龙新材料股份有限公司 | Aluminum strip continuous anodic oxidation automatic production line |
| CN103464969A (en) * | 2013-08-19 | 2013-12-25 | 昆山乔锐金属制品有限公司 | Surface treatment method for steel wire rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539588A (en) * | 2021-06-30 | 2021-10-22 | 孙嘉睿 | High-hardness aluminum alloy conductor production device |
| CN113539588B (en) * | 2021-06-30 | 2022-12-13 | 广东新亚光电缆股份有限公司 | High-hardness aluminum alloy conductor production device |
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| Publication number | Publication date |
|---|---|
| CN104157370B (en) | 2016-09-07 |
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