CN101429632B - Annealing equipment used in copper cladding aluminum or aluminum cladding copper magnesium thread production - Google Patents
Annealing equipment used in copper cladding aluminum or aluminum cladding copper magnesium thread production Download PDFInfo
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- CN101429632B CN101429632B CN2008101815076A CN200810181507A CN101429632B CN 101429632 B CN101429632 B CN 101429632B CN 2008101815076 A CN2008101815076 A CN 2008101815076A CN 200810181507 A CN200810181507 A CN 200810181507A CN 101429632 B CN101429632 B CN 101429632B
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Abstract
The invention relates to an annealing device applied to the production of a copper clad aluminum wire or a copper clad aluminum magnesium wire, which is characterized in that: the annealing device is provided with a box-type electric heating annealing furnace; a furnace tube is arranged in the annealing furnace and passes through the furnace walls at two ends of the annealing furnace longitudinally; one end of the furnace tube outside the annealing furnace is a wire inlet, while the other end is a wire outlet; a raw wire on a paying out shaft is guided into the furnace tube from the wire inlet through a guide wheel and is guided out of the furnace tube from the wire outlet; the furnace tube on one end where the wire outlet is connected with a hydrogen source through a gas separating cylinder by a tee joint so that the hydrogen is filled into the furnace tube from the tee joint; the wire inlet is set as an ignition port; and anti-oxidation atmosphere is formed in the furnace tube. The annealing device can greatly improve the tensile strength and the tensile stretch of the copper clad aluminum wire or the copper clad aluminum magnesium wire.
Description
The application is that application number is 200610098120.5, the applying date is that November 29, denomination of invention in 2006 are to be applied to dividing an application of annealing process in copper cover aluminum or the production of aluminium in copper magnesium silk and equipment.
Technical field
The present invention relates to the production unit of lead, the production unit of a kind of copper cover aluminum of more specifically saying so, aluminium in copper magnesium silk.
Background technology
Copper cover aluminum, aluminium in copper magnesium are the renewal products of fine copper lead, main " clad welded drawing " production technique that adopts, the finish rolling copper strips is coated on one heart the outside surface of aluminium bar heart yearn, by multi-pass drawing and thermal treatment, make the line footpath and the technical requirements of mechanics electric property that meet client's needs.Between copper layer and aluminium bar heart yearn, form firm metallurgical binding, and require its surface-brightening, rounding, zero defect, make copper-clad aluminum conductor have the characteristics that conduct electricity very well of the little and copper of the density of aluminium simultaneously.When this bimetallic wire is used for inner conductor, not only has very high signal transmission characteristics, and have advantages such as in light weight, that production cost is low, can be widely used in the cable TV signal transmission, the transmission of large vol communication network signal, control signal cable, light body vehicle cable, cabtyre cable, urgent removal cable, televisor drive coil, biography switch coil and ballast coil etc.
The technological process of production of copper alclad, aluminium in copper magnesium is: the finish rolling copper strips is coated on the outside surface of aluminium bar heart yearn with one heart, through tension and compression, comprise successively through in draw, rough, annealing, antioxidation treatment, dry take-up, inspection after construction again.At present, method for annealing and antioxidation treatment is, utilizing diamond mould after drawing deformation becomes specified dimension, silk thread is annealed the antioxidation treatment of carrying out subsequently with certain speed through the electrically heated box-annealing furnace in being added with the tank of antioxidant.Annealing and anti-oxidant making two bites at a cherry in this mode.But, the product of producing by this way, through quality examination, all at the edge of inner quality standard, performance perameter such as table 1 are listed for every technical parameter:
Table 1
The said products is put on market through manufacturer on probation, occurs the fracture of wire phenomenon in the unwrapping wire process.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, providing a kind of annealing device that is applied in copper cover aluminum or the production of aluminium in copper magnesium silk, to improve product performance such as tensile strength and elongation.
The technical scheme that technical solution problem of the present invention is adopted is:
The constructional feature that the present invention is applied to the annealing device in copper cover aluminum or the production of aluminium in copper magnesium silk is:
Box electrically heated annealing furnace is set, longitudinally run through the furnace wall, two ends in the annealing furnace and be provided with boiler tube, an end that is positioned at the boiler tube of annealing furnace outside is an incoming line, and the other end is a line outlet, and the raw silk on the paying out reel is introduced boiler tube through guide wheel from incoming line, and in line outlet, draw boiler tube, line outlet on the boiler tube at one end, insert hydrogen source gas by Y-junction through sub-cylinder, hydrogen charges in boiler tube from Y-junction, incoming line is set to the port of lighting a fire, and anti-oxidant atmosphere is formed in the boiler tube.
The annealing process of finishing with present device will be heated silk and be arranged in the anti-oxidant atmosphere of hydrogen shield, and annealing temperature is set is 350-450 ℃, hydrogen pressure is that 0.3-1.0MPa, annealing time are 1.5 seconds-3.5 seconds.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention makes product that good raising be arranged on tensile strength and unit elongation by the improvement of annealing process, the product surface light, and the silk footpath is uniform and smooth, no burr.Corresponding to the associated viscera of listing in the table 1, can obtain the correlation parameter listed as following table 2:
Table 2
2, the present invention will anneal and the setting of equipment has been finished, simplified to anti-oxidant technology one step.
Description of drawings
Fig. 1 is an annealing device structural representation of the present invention.
Number in the figure: 1 annealing furnace, 2 boiler tubes, 3 incoming lines, 4 line outlets, 5 paying out reels, 6 raw silks, 7 guide wheels, 8 Y-junctions, 9 sub-cylinders, 10 electrothermal tubes, 11 hygrosensors.
Below by embodiment, the invention will be further described in conjunction with the accompanying drawings:
Embodiment:
The present invention improves the production technique of existing copper cover aluminum or aluminium in copper magnesium silk; whole technology circuit is identical with prior art; comprise from starting material and check and accept beginning, draw with rough the process successively; utilize annealing process of the present invention again, in anti-oxidant atmosphere, raw silk is carried out anneal under the hydrogen shield.
Annealing temperature is set 350-450 ℃ scope, can specifically be chosen as 350 ℃, 360 ℃, 370 ℃, 380 ℃, 400 ℃, 420 ℃ or 440 ℃ etc.; Hydrogen pressure is 0.3-1.0MPa, can specifically be chosen as 0.3MPa, 0.4MPa, 0.5MPa, 0.6MPa, 0.7MPa, 0.8MPa, 0.9MPa or 1.0MPa; Annealing time is 1.5 seconds-3.5 seconds, specifically can be chosen as 1.5 seconds, 1.6 seconds, 1.8 seconds, 2 seconds, 2.2 seconds, 2.5 seconds, 2.8 seconds, 3.0 seconds, 3.2 seconds or 3.5 seconds etc.
For different line footpaths, above-mentioned each processing parameter is listed as table 3 for example:
Table 3
| Line footpath (mm) | Temperature (℃) | Speed (m/s) | Time (s) | Hydrogen pressure (MPa) |
| 0.1-0.15 | 350-450 | 3-4 | 1.5-2 | 0.3-0.5 |
| 0.16-0.20 | 400-450 | 2-3 | 2-2.5 | 0.5-0.8 |
| 0.21-0.30 | 420-450 | 1.5-2 | 2.5-3.5 | 0.8-1.0 |
Referring to Fig. 1, setting is the box electrically heated annealing furnace 1 of heater element with electrothermal tube 10, longitudinally run through the furnace wall, two ends in the annealing furnace 1 and be provided with boiler tube 2, an end that is positioned at the boiler tube 2 of annealing furnace 1 outside is an incoming line 3, the other end is a line outlet 4, raw silk 6 on the paying out reel 5 is introduced in the boiler tube 2 from incoming line 3 through guide wheel 7, and in line outlet 3, draw boiler tube 2, on 3 boiler tubes 2 at one end of line outlet, insert hydrogen source gas by Y-junction 8 through sub-cylinder 9, hydrogen charges in boiler tube 2 from Y-junction 8, and incoming line 4 is set to the port of lighting a fire, and anti-oxidant atmosphere is formed in the boiler tube 2.
In concrete the enforcement, adopting stainless steel boiler tube 2, hydrogen is that front end at sub-cylinder 9 is come by the ammonia preparation by hydrogen making machine, and conventional setting also comprises hygrosensor 11, take-up speed transmitter etc., and relevant information passes to the air inlet control section.
Claims (1)
1. be applied to the annealing device in the production of copper cover aluminum or aluminium in copper magnesium silk, it is characterized in that being provided with box electrically heated annealing furnace (1), longitudinally run through the furnace wall, two ends in the annealing furnace (1) and be provided with boiler tube (2), an end that is positioned at the outside boiler tube (2) of annealing furnace (1) is incoming line (3), the other end is line outlet (4), raw silk (6) on the paying out reel (5) is introduced in the boiler tube (2) from incoming line (3) through guide wheel (7), and in line outlet (4), draw boiler tube (2), described line outlet (4) on the boiler tube (2) at one end, insert hydrogen source gas by Y-junction (8) through sub-cylinder (9), hydrogen charges in boiler tube (2) from Y-junction (8), described incoming line (3) is set to the port of lighting a fire, and anti-oxidant atmosphere is formed in the described boiler tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101815076A CN101429632B (en) | 2006-11-19 | 2006-11-19 | Annealing equipment used in copper cladding aluminum or aluminum cladding copper magnesium thread production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101815076A CN101429632B (en) | 2006-11-19 | 2006-11-19 | Annealing equipment used in copper cladding aluminum or aluminum cladding copper magnesium thread production |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100981205A Division CN100494465C (en) | 2006-11-29 | 2006-11-29 | Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101429632A CN101429632A (en) | 2009-05-13 |
| CN101429632B true CN101429632B (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101815076A Expired - Fee Related CN101429632B (en) | 2006-11-19 | 2006-11-19 | Annealing equipment used in copper cladding aluminum or aluminum cladding copper magnesium thread production |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672571B (en) * | 2009-10-20 | 2011-09-14 | 张均让 | Method for improving processing quality of tungsten and molybdenum materials and special hydrogen molybdenum wire furnace |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298186A (en) * | 2000-12-02 | 2001-06-06 | 常州吉星电子器材有限公司 | Coating process of high-conductivity steel-in-copper composite wire |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298186A (en) * | 2000-12-02 | 2001-06-06 | 常州吉星电子器材有限公司 | Coating process of high-conductivity steel-in-copper composite wire |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-371328A 2002.12.26 |
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| CN101429632A (en) | 2009-05-13 |
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Granted publication date: 20100609 Termination date: 20121119 |