CN103599934A - Production technology and equipment for continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip - Google Patents
Production technology and equipment for continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip Download PDFInfo
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- CN103599934A CN103599934A CN201310501989.XA CN201310501989A CN103599934A CN 103599934 A CN103599934 A CN 103599934A CN 201310501989 A CN201310501989 A CN 201310501989A CN 103599934 A CN103599934 A CN 103599934A
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Abstract
The invention discloses a production technology for a continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip. The production technology for the continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip is characterized by comprising the following steps of: after melting down a core material to form an aluminum liquid, stewing by a stewing furnace, degassing online and enabling the aluminum liquid to flow into a compounding region after filtering; enabling a belt material on a coiling machine to directly enter into the compounding region to be in contact with the surface of the core material (aluminum liquid) while compounding as the coiling machine used for coiling the belt material is arranged on cast rolling equipment; then continuously cast-rolling by a cast rolling machine to form the metallurgical bonding aluminum-aluminum composite board strip. The production technology for the continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip solves the problems that the compounding technology of the current aluminum-aluminum-aluminum alloy composite board strip is complex, long in period and high in cost, and the compounding interface cannot achieve the metallurgical bonding, realizes metallurgical bonding between the bonding interfaces of the aluminum-aluminum metallurgical bonding composite board strip, and realizes the purposes of shortening the production period, reducing the production procedures, improving the efficiency, reducing the production cost and improving the product quality.
Description
Technical field
The invention belongs to the metallurgical casting band of the aluminium alloy production technical field that a kind of radiator is used, be specifically related to a kind of company
The aluminium metallurgy of aluminium of continuous casting is in conjunction with the production technology and equipments of complex plate strip.Be widely used in the production of the aluminium aluminium alloy compound plate and strip of many alloy designations.
Technical background
Along with scientific and technical develop rapidly, by various different methods of attachment, different metal material is complex as a whole, be prepared into composite metal plate, obtain physics, chemical property and mechanical characteristic that single-layer metal material does not have, meet high strength, corrosion-resistant, fatigue resistance, requirement that operating temperature stability inferior is good, can reduce costs simultaneously.Therefore, develop novel metal composite and there is very urgent realistic meaning, also will bring significant economic benefit and social benefit.
The composite of metal metallurgy smelting combination is by two or more metal counterdiffusion of atom phase and the combination that forms compound and a kind of new material of forming through between the interface of metal, due to the advance of its technique and the technical characteristic of material itself, thereby metallic composite panel has advantages of that single metal material of planting is incomparable.Aluminium aluminium aluminium alloy composite strip is a kind of novel composite growing up in recent years, he be by 4 being/3 be/4 be or 4 be/3 be/7 a kind of advanced composite material (ACM) that the aluminium alloy trade mark is made through compound production processes such as ingot castings such as be.It is widely used in car radiation system and other refrigeration system.There is corrosion-resistant, high strength, perfect heat-dissipating, feature that production cost is low.
The production technology of the aluminium aluminium aluminium alloy compound plate and strip that traditional radiator is used is: core and skin material need pass through respectively
The operations such as ingot casting, annealing, milling face, hot bundle, aligning, blanking trimming are made the composite blank of core and skin material, and then by composite blank skin material+core or skin material+core+skin material after spot welding stationary heat is pricked, again with aluminium casting-rolling mill through being repeatedly complex as a whole after cold bundle, not only production process is many, cycle is long, cost is high, and the press power of aluminium casting is had to certain requirement, cost of investment is increased.And the compound interface of the aluminium aluminium alloy compound plate and strip of producing can not reach metallurgical binding, in the deep processing in later stage, sometimes also there will be the defects such as a minute pull-up splits, bending fracture.
goal of the invention
The object of the invention is to propose a kind of aluminium metallurgy of aluminium of continuous casting and rolling in conjunction with the production technology and equipments of complex plate strip, solved existing aluminium aluminium aluminium alloy compound plate and strip combination process complicated, cycle is long, the problem that cost is high, compound interface can not reach metallurgical binding, make to realize metallurgical binding between the combination interface of the aluminium metallurgy of aluminium in conjunction with complex plate strip, reach and shorten the production cycle, the object of reduce production process, raising the efficiency, reduce production costs, improving the quality of products.
The present invention realizes the technical scheme that above-mentioned purpose takes: a kind of aluminium metallurgy of aluminium of continuous casting and rolling is in conjunction with composite plate
The production technology of band, the steps include: core to be molten into after aluminium liquid, through standing, the online degasification of standing furnace, filtration
By chute, flow into recombination region; On casting and rolling installation, be provided with for rolling up the coiling machine of skin material, compound tense, the skin material on coiling machine directly enters recombination region and core (aluminium liquid) Surface Contact, then by casting and rolling machine continuous rolling, goes out the aluminium aluminum composite panel belt of metallurgical binding.
The aluminium metallurgy of aluminium that the present invention realizes above-mentioned continuous casting and rolling comprises board in conjunction with the equipment of the production technology of complex plate strip
Mill, casting bundle machine, lip device and coiling machine, described coiling machine is two, on it, volume has skin material-alloy strip steel rolled stock, this skin material-alloy strip steel rolled stock directly imports the recombination region of casting bundle machine front end through guiding and haulage gear, the core of sending into lip device-liquid substrate surface contacts, and goes out the metal composite strip of metallurgical binding by casting and rolling machine roll continuous rolling.
On coiling machine of the present invention, coiling machine is fixed on memorial archway, and lower coiling machine is fixed on the ground of memorial archway front lower place
In hole.
The present invention is provided with the composite surface of skin material-alloy strip steel rolled stock is carried out to brushing at the outlet position of described coiling machine
Brush grinding machine.
The present invention is also provided with dehydrating unit, this dehydrating unit comprises heater and hot blast jet pipe, hot blast jet pipe is fixed on the roll import position that described memorial archway direct casting is pricked machine, the roll of recombination region and skin material-alloy strip steel rolled stock are blown to roasting dehumidifying continuously, make roll and skin material-alloy strip steel rolled stock remain on 150-200 ℃ in the temperature of compound tense.
Coiling machine of the present invention coaxially arranges.
The present invention further, before described aluminium liquid flows into recombination region, adds the aluminium titanium of 0.2-0.5% in the aluminium liquid of chute
Boron filament.
The time of repose of aluminium liquid of the present invention is 10-16 second.
Be 1.3-1.6 second the time of contact of skin material band of the present invention and core aluminium liquid.
Skin material band of the present invention and core aluminium liquid rolling time be 6-8 second.
Skin material band of the present invention and core aluminium liquid mill speed be 250mm-1320mm per minute.
Skin material band of the present invention and core aluminium liquid roll-force be 1300-1550KN.
Skin material band of the present invention and core aluminium liquid the fusion degree of depth >=0.01mm.
The composite algorithm of this novel casting metallurgical binding has realized carries out the compound possibility of aluminium aluminium on aluminium casting-rolling mill, core material and cladding ingot casting have been reduced in original production process to compound rear cold rolling all process steps, realize casting volume compound, from casting volume, directly carried out strip cold rolling.Can greatly shorten the production cycle, reduce operation; Enhance productivity, reduce costs.The present invention blows roasting by the recombination region at aluminium alloy skin material and core aluminium liquid with high-pressure hot wind breaker roll and aluminium alloy skin material continuously, and make the temperature on aluminium alloy skin material and roll remain on 100-150 ℃, when the temperature of aluminium alloy skin material and roll is during higher than 150 ℃, there will be performance variation phenomenon; When the temperature of aluminium alloy skin material and roll is during lower than 150 ℃, do not reach dry object.Make thus aluminium alloy skin material and core aluminium liquid can not produce steam and form oxidation at metallurgical binding compound tense, avoided hydrone to condense in aluminium alloy skin material compound interface and formed bubble impact in conjunction with bond strength, guaranteed the post-production quality of product.Owing to adding 0.2-0.5% aluminium titanium boron wire (grain refiner) in core aluminium liquid.Impel two kinds of metallic molecules of aluminium aluminium alloy in conjunction with mutual micro-infiltration of moment, reach the metallurgical binding of two kinds of metals.Cracking, fracture, layering while thoroughly having solved later stage deep processing, the phenomenon such as come off, can reach more than 98% yield rate, effectively improves yield rate, reduces production costs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, skin material-alloy strip steel rolled stock, 2, coiling machine, 3, guiding mechanism, 4, brush grinding machine, 5, hauling machine
Structure, memorial archway, 7, casting bundle machine, 8, lip device, 9, heater, 10, hot blast jet pipe, 11, melt pit.
The specific embodiment
The present embodiment be 4 be/3 be/4 be or 4 be/3 be/7 the advanced composite material (ACM) of the aluminium alloy trade mark such as be.
Embodiment 1
The present embodiment be 4 be/3 be/4 be the compound band plate of aluminium metallurgy of aluminium combination.Its processing step is:
By core-aluminium ingot, by 3, be that aluminium batching is molten into after aluminium liquid completely, put into natural gas smelting furnace and melt, by after in the aluminium liquid inflow standing furnace after melting completely standing 15 minutes, after online degasification, filtration, flow into chute and enter recombination region.Meanwhile, adopt hot blast breaker roll and stainless steel sheet strip to carry out continuous continuous dehumidifying, the temperature of stainless steel sheet strip and roll is controlled between 150-300 ℃.Hot blast provides (can be electrical heating or other form) by outside, and air outlet is arranged on roll and stainless steel band carries out on continuous movement locus, and object is that stainless steel sheet strip and roll are kept dry in recombination region, makes its surface can not form steam and oxidation.Stainless steel sheet strip can be two-layer (thickness is 0.5-1.5mm), through deflector roll, directly importing recombination region contacts with aluminium liquid, utilize in the 1.6 second time that temperature of aluminum liquid combines at the two, form the micro-fusing of corrosion resistant plate belt surface, the fusion degree of depth >=0.15mm, after template distributor, topping roll machine is rolled, in mill speed, be 400mm per minute, roll-force is under 1550KN, rolling time be 6 second lower moment stainless steel aluminum metal surface molecular interpenetrate fusion, directly continuous rolling goes out the two-sided stainless steel Al bimetal complex plate strip that thickness is 2.8-15mm.In order further to improve the intensity of stainless steel aluminum composite panel belt, before aluminium liquid flows into recombination region, in aluminium liquid, add aluminium titanium boron wire.Aluminium titanium boron wire (SX-A1-Ti-B titaniferous 5%, boracic 1%) is a kind of grain refiner, plays the effect that improves aluminium alloy melt interior tissue, crystal grain thinning.The present embodiment is in aluminium spout, to add the aluminium titanium boron wire of 0.2-0.5%, utilizes the temperature of aluminium liquid to make its fusing, impels titanium-aluminium alloy to belong to the mutual micro-infiltration that forms two kinds of metallic molecules in the moment of combination, reaches metallurgical compound object.Meanwhile, at stainless steel sheet strip and aluminium liquid, by the devices such as brush grinding machine are set, its composite surface is carried out to deoxidation processing before compound, reach the object of metallurgical binding.
As shown in Figure 1: the present embodiment is realized the aluminium metallurgy of aluminium of above-mentioned continuous casting and rolling in conjunction with the production technology of complex plate strip
Equipment mainly comprise casting bundle machine 7, coiling machine 2, heater 9 and brush grinding machine 4, what casting bundle machine 7 adopted is known horizontal aluminium casting bundle machine, it is fixed on memorial archway 6, for core-aluminium liquid base material being sent into the front end of the lip device 8 of recombination region, be positioned at the position, recombination region that the import position of rod is pricked in 7 castings of casting bundle machine, rear end is communicated with aluminium spout.Coiling machine 2(is also uncoiler) what adopt is conventional equipment, effect is that the compound skin material-alloy strip steel rolled stock 1 of need is involved on it.Coiling machine 2 is two, wherein goes up coiling machine and is fixed on memorial archway 6, and lower coiling machine is fixed in the melt pit 11 of memorial archway below.Upper and lower coiling machine all coaxially arranges.Skin material-alloy strip steel rolled stock 1 on upper and lower coiling machine directly imports the recombination region of casting and rolling machine roll front end through guiding mechanism 3, haulage gear 5 respectively, contact with core-aluminium liquid substrate surface of being sent into by lip device 8, then by casting and rolling machine roll continuous rolling, go out the complex plate strip of metallurgical binding.What guiding mechanism 3 adopted is conventional guide bars, and what haulage gear 5 adopted is conventional hauling machine.
In order further to strengthen metallurgical binding intensity, remove the oxide of composite alloy band composite surface, at coiling machine
2 outlet position is provided with brush grinding machine 4, and the composite surface of skin material-alloy strip steel rolled stock 1 is carried out to brushing.Brush grinding machine is adopted
Be also conventional equipment, be arranged between coiling machine and casting bundle machine 7, near the position of coiling machine.
For avoiding the impact of air humidity on combined strength bination, be provided with dehydrating unit.This dehydrating unit is by heater 9
Form with hot blast jet pipe 10, what heater 9 adopted is electrical heating, in an airtight casing, electrical heating is set
Silk, the hot blast that heating is produced is introduced hot blast jet pipe 10 by high-pressure pump, and hot blast jet pipe 10 is fixed on memorial archway 6 direct castings
The roll import position of bundle machine, blows roasting dehumidifying continuously to the roll of recombination region and skin material-alloy strip steel rolled stock, makes
Roll and skin material-alloy strip steel rolled stock remain on 150-200 ℃ in the temperature of compound tense.When the temperature of copper strips and roll higher than
In the time of 200 ℃, there will be oxidative phenomena; When the temperature of copper strips and roll is during higher than 150 ℃, do not reach dry object.
Make thus copper plate/strip and aluminium liquid can not produce steam and form oxidation at compound tense, avoided hydrone to condense in copper aluminium
Compound interface forms bubble impact in conjunction with bond strength, has guaranteed the post-production quality of product.
During production, aluminium ingot is put into natural gas smelting furnace to be melted, after standing in the aluminium liquid inflow standing furnace after melting completely, after online degasification, filtration, flow into chute and send into recombination region by lip device 8, meanwhile, the skin material-alloy strip steel rolled stock 1 on coiling machine 2 directly imports recombination region under guiding mechanism 3 and haulage gear 5 effects; Brush grinding machine is removed composite surface oxide process to the composite surface of the skin material-alloy strip steel rolled stock 1 importing, and dehydrating unit blows roasting dehumidifying continuously to the roll of recombination region and skin material-alloy strip steel rolled stock, makes the combination interface of the complex plate strip of rolling reach metallurgical binding.
Claims (10)
1. the aluminium metallurgy of aluminium of continuous casting and rolling, in conjunction with a production technology for complex plate strip, is characterized in that: it comprise with
Lower step: core is molten into after aluminium liquid, flows into recombination region through standing, the online degasification of standing furnace, filtration by chute; On casting and rolling installation, be provided with for rolling up the coiling machine of skin material, compound tense, the skin material on coiling machine directly enters recombination region and core (aluminium liquid) Surface Contact, then by casting and rolling machine continuous rolling, goes out the aluminium aluminum composite panel belt of metallurgical binding.
2. a realization requires the aluminium metallurgy of aluminium of continuous casting and rolling described in 1 in conjunction with the equipment of the production technology of complex plate strip
Comprise that board comprises casting bundle machine (7) and the lip device (8) being fixed on memorial archway (6), is characterized in that: also comprise
Coiling machine (2), the coiling machine of telling is one or two, on it, volume has skin material-alloy strip steel rolled stock (1), this skin material-close
Gold ribbon material directly imports the recombination region of casting bundle machine (7) front end through guiding and haulage gear, send with lip device (8)
The core entering-liquid substrate surface contacts, and goes out the composite metal plate of metallurgical binding by casting and rolling machine roll continuous rolling
Band.
3. the aluminium metallurgy of aluminium of continuous casting and rolling according to claim 1 is in conjunction with the production technology of complex plate strip, its
Feature is: described aluminium liquid flows into before recombination region, adds the aluminium titanium boron wire of 0.2-0.5% in the aluminium liquid of chute.
4. the aluminium metallurgy of aluminium of continuous casting and rolling according to claim 1 is in conjunction with the production technology of complex plate strip,
It is characterized in that: the time of repose of described aluminium liquid is 10-16 second.
5. the aluminium metallurgy of aluminium of continuous casting and rolling according to claim 1 is in conjunction with the production technology of complex plate strip, its
Feature is: be 1.3-1.6 second the time of contact of described skin material band and core aluminium liquid.
6. the aluminium metallurgy of aluminium of continuous casting and rolling according to claim 1 is in conjunction with the production technology of complex plate strip, its
Feature is: described skin material band and core aluminium liquid the fusion degree of depth >=0.01mm.
7. the aluminium metallurgy of aluminium of described continuous casting and rolling according to claim 2 is in conjunction with the production technology of complex plate strip
Equipment, it is characterized in that: on described coiling machine, coiling machine is fixed on memorial archway, lower coiling machine is fixed on memorial archway (6)
In the melt pit of front lower place (11).
8. the aluminium metallurgy of aluminium of described continuous casting and rolling according to claim 2 is in conjunction with the production of complex plate strip
The equipment of technique, is characterized in that: the outlet position at described coiling machine (2) is provided with skin material-alloy
The composite surface of band (1) carries out the brush grinding machine (4) of brushing.
9. the aluminium metallurgy of aluminium of described continuous casting and rolling according to claim 2 is in conjunction with the production of complex plate strip
The equipment of technique, is characterized in that: be also provided with dehydrating unit, this dehydrating unit comprise heater (9) and
The hot blast jet pipe (10) being communicated with it, hot blast jet pipe is fixed on the roll that described memorial archway (6) direct casting is pricked machine (7)
Import position, blows roasting dehumidifying continuously to the roll of recombination region and skin material-alloy strip steel rolled stock, make roll and skin material-
Alloy strip steel rolled stock remains on 150-200 ℃ in the temperature of compound tense.
10. the aluminium metallurgy of aluminium of described continuous casting and rolling according to claim 2 is in conjunction with the production of complex plate strip
The equipment of technique, is characterized in that: described coiling machine coaxially arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310501989.XA CN103599934A (en) | 2013-10-23 | 2013-10-23 | Production technology and equipment for continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310501989.XA CN103599934A (en) | 2013-10-23 | 2013-10-23 | Production technology and equipment for continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip |
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| CN103599934A true CN103599934A (en) | 2014-02-26 |
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| CN201310501989.XA Pending CN103599934A (en) | 2013-10-23 | 2013-10-23 | Production technology and equipment for continuously cast-rolled aluminum-aluminum metallurgical bonding composite board strip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998914A (en) * | 2015-07-24 | 2015-10-28 | 中冶南方工程技术有限公司 | Compression roller device suitable for corrosive environment |
| CN105537564A (en) * | 2015-12-23 | 2016-05-04 | 上海交通大学 | Method for preparing bimetal composite material by solid and liquid bonding and rolling on solid aluminum material in combined manner |
| CN110356069A (en) * | 2019-06-19 | 2019-10-22 | 江苏科技大学 | A kind of clad aluminum foil and preparation method thereof |
-
2013
- 2013-10-23 CN CN201310501989.XA patent/CN103599934A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998914A (en) * | 2015-07-24 | 2015-10-28 | 中冶南方工程技术有限公司 | Compression roller device suitable for corrosive environment |
| CN105537564A (en) * | 2015-12-23 | 2016-05-04 | 上海交通大学 | Method for preparing bimetal composite material by solid and liquid bonding and rolling on solid aluminum material in combined manner |
| CN110356069A (en) * | 2019-06-19 | 2019-10-22 | 江苏科技大学 | A kind of clad aluminum foil and preparation method thereof |
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Application publication date: 20140226 |