CN200978299Y - Annealing device applied for copper coated aluminum or copper coated aluminum magnesium wire production - Google Patents
Annealing device applied for copper coated aluminum or copper coated aluminum magnesium wire production Download PDFInfo
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- CN200978299Y CN200978299Y CN 200620125927 CN200620125927U CN200978299Y CN 200978299 Y CN200978299 Y CN 200978299Y CN 200620125927 CN200620125927 CN 200620125927 CN 200620125927 U CN200620125927 U CN 200620125927U CN 200978299 Y CN200978299 Y CN 200978299Y
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Abstract
An annealing device is used for producing copper cladding aluminum or copper cladding aluminum-magnesium wire, which is characterized in that the utility model has a box-type electrical heating annealing furnace, the inner annealing furnace is provided with a furnace tube which longitudinally penetrates the two ends of furnace wall, one end of the furnace tube outside the annealing furnace is a wire inlet, and the other end of the furnace tube outside the annealing furnace is a wire outlet, a raw wire on a discharge spool enters into the furnace tube from the wire inlet through a guide wheel and exits from the wire outlet, the end of the furnace tube with wire outlet is connected with hydrogen gas from a cylinder by a three-way connection, the hydrogen gas is filled in the furnace tube through the three-way connection, the wire inlet is designed as igniting port, and oxidation resistance atmosphere is formed in the furnace tube. The utility model can improve the tensile strength and elongation percentage of the producing copper cladding aluminum or copper cladding aluminum-magnesium wire.
Description
Technical field
The utility model 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
| Title | Material | Silk footpath (mm) | Tensile strength (MPa) | Elongation (%) | ||
| Hard attitude (H) | Soft attitude (A) | Hard attitude (H) | Soft attitude (A) | |||
| CCA | 15A | Φ0.15 | 300-350 | ≥75 | 0.7-1.0 | 3-5 |
| CCAM | 15H | Φ0.15 | 360-400 | ≥105 | 1.1-1.4 | 6-8 |
The said products is put on market through manufacturer on probation, occurs the fracture of wire phenomenon in the unwrapping wire process.
The utility model content
The utility model 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 utility model technical solution problem adopts the constructional feature of technical scheme to be:
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, preface is drawn boiler tube in line outlet, 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 utility model annealing process is to be in the anti-oxidant atmosphere of hydrogen shield being heated silk, and annealing temperature is set is that 350-450 ℃, hydrogen pressure are that 0.3-1.0MPa, annealing time are 1.5 seconds-3.5 seconds.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model makes product that good raising all be arranged on tensile strength and unit elongation by the improvement of annealing device, 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
| Material | Silk footpath (mm) | Tensile strength (MPa) | Elongation (%) | |||
| Hard attitude (H) | Soft attitude (A) | Hard attitude (H) | Soft attitude (A) | |||
| CCA | 15A | Φ0.15 | 300-350 | ≥100 | 0.7-1.0 | 13-15 |
| CCAM | 15H | Φ0.15 | 360-400 | ≥160 | 1.1-1.4 | 15-17 |
2, the utility model will be annealed and the setting of equipment has been finished, simplified to anti-oxidant technology one step.
Description of drawings
Accompanying drawing is the utility model annealing device structural representation.
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 utility model is described in further detail in conjunction with the accompanying drawings:
Embodiment
The utility model is that the production technique of existing copper cover aluminum or aluminium in copper magnesium silk is improved; whole technology circuit is identical with prior art; comprise from starting material and check and accept beginning, draw with rough the process successively; utilize the utility model annealing device 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 accompanying drawing, in the present embodiment, 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, 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 |
|---|---|---|---|
| CN 200620125927 CN200978299Y (en) | 2006-11-29 | 2006-11-29 | Annealing device applied for copper coated aluminum or copper coated aluminum magnesium wire production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620125927 CN200978299Y (en) | 2006-11-29 | 2006-11-29 | Annealing device applied for copper coated aluminum or copper coated aluminum magnesium wire production |
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| Publication Number | Publication Date |
|---|---|
| CN200978299Y true CN200978299Y (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620125927 Expired - Fee Related CN200978299Y (en) | 2006-11-29 | 2006-11-29 | Annealing device applied for copper coated aluminum or copper coated aluminum magnesium wire production |
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| CN (1) | CN200978299Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492822B (en) * | 2008-01-24 | 2011-03-23 | 河南优克电子材料有限公司 | Copper linking mercerization brightening thermal treatment protection device |
| CN102110500A (en) * | 2010-12-10 | 2011-06-29 | 东莞市联升电线电缆有限公司 | Multi-core superfine coaxial cable CT connecting line cabling process |
-
2006
- 2006-11-29 CN CN 200620125927 patent/CN200978299Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492822B (en) * | 2008-01-24 | 2011-03-23 | 河南优克电子材料有限公司 | Copper linking mercerization brightening thermal treatment protection device |
| CN102110500A (en) * | 2010-12-10 | 2011-06-29 | 东莞市联升电线电缆有限公司 | Multi-core superfine coaxial cable CT connecting line cabling process |
| CN102110500B (en) * | 2010-12-10 | 2012-09-05 | 东莞市联升电线电缆有限公司 | Multi-core superfine coaxial cable CT connecting line cabling process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |