CN108070756A - A kind of annealing device and heat treatment method of high stability aluminium alloy - Google Patents
A kind of annealing device and heat treatment method of high stability aluminium alloy Download PDFInfo
- Publication number
- CN108070756A CN108070756A CN201810096315.9A CN201810096315A CN108070756A CN 108070756 A CN108070756 A CN 108070756A CN 201810096315 A CN201810096315 A CN 201810096315A CN 108070756 A CN108070756 A CN 108070756A
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- CN
- China
- Prior art keywords
- aluminium alloy
- hearth furnace
- roller hearth
- high stability
- cold rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
Abstract
A kind of annealing device and heat treatment method of high stability aluminium alloy, are related to new-energy automobile field.Including stent and the continuous rolling being located on stent, roller hearth furnace A, cold rolling station, roller hearth furnace B are equipped on continuous rolling successively for the present invention a kind of annealing device and heat treatment method of high stability aluminium alloy；After first heating up at a slow speed by aluminium alloy ingot bar in roller hearth furnace A and keep the temperature a period of time, it is rapidly heated to predetermined temperature and keeps the temperature, hot rolling is carried out after cooling to certain temperature afterwards, the follow-up temperature quenching of continuing rising of hot rolling, cool down 24 it is small when after send to cold rolling station, aluminium alloy plate and carbon cloth, titanium alloy sheet are formed into composite plate by cold rolling, are sent into roller hearth furnace B afterwards further after heat treatment, cooling, obtains high stability aluminium alloy plate.By the aluminum alloy heat processing unit and heat treatment method of the present invention, the light aluminum alloy material of high stability, high intensity can be obtained, significantly improves the performance and security of new-energy automobile.
Description
Technical field
The present invention relates to new-energy automobile field, the more particularly to a kind of annealing device and Re Chu of high stability aluminium alloy
Reason method.
Background technology
Contemporary new-energy automobile just develops towards lightweight, high speed, safety and comfort and energy saving direction.To realize this mesh
Mark, the progress and development of new-energy automobile material and technology play very important effect, and the use of light material are then to mitigate
One important measures of car weight.
At present, aluminum alloy materials are the most widely used lightweighting materials in auto manufacturing.It can be used for vehicle body material
Material and interior parts material.With the fast development of new-energy automobile industry, the performance requirement of aluminium alloy is got in industry
Come higher.There are stability when as body of a motor car and parts to be unable to asking for meet demand for existing aluminium alloy
Topic, causes automobile local deformation so as to influence automotive performance and service life.How a kind of high property with excellent stability is obtained
Energy aluminium alloy, means a great for improving automobile overall performance.
The content of the invention
Present invention aims at a kind of annealing device and heat treatment method of high stability aluminium alloy is provided, solves mesh
The preceding body of a motor car made of aluminium alloy and parts stability is not high, the problem of influencing automotive performance and service life.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of annealing device of high stability aluminium alloy, including stent and the continuous rolling that is located on stent, on the continuous rolling
Include two side walls equipped with roller hearth furnace A, cold rolling station, roller hearth furnace B, the roller hearth furnace A successively, distinguish in two side walls
Equipped with hermatic door A, hermatic door B, other two seals door is additionally provided in the furnace chamber of roller hearth furnace A, furnace chamber is divided into 3 chambers
Room is equipped with hot roll in intermediate chamber, by by aluminium alloy ingot bar be rolled into plate, it is true that pumping is additionally provided in roller hearth furnace A
Null device；Roller hearth furnace A has cold roll, aluminium is closed by the hermatic door B connection cold rolling stations on side wall, the cold rolling station
Golden plate is cold rolled to composite plate with carbon cloth, titanium alloy sheet, and carbon cloth is located at the centre of aluminium alloy plate and titanium alloy sheet；Cold rolling
Station is equipped with hermatic door D by hermatic door C connections roller hearth furnace B, roller hearth furnace B opposite side, and vaccum-pumping equipment is equipped in stove；
All hermatic doors are connected with vaccum-pumping equipment with central control system.
Wherein, central control system can control the open and-shut mode of hermatic door and vaccum-pumping equipment, be by center control
It unites control to hermatic door and vaccum-pumping equipment, enables aluminum alloy to keep vacuum state in any chamber where product, prevent
Aluminium alloy aoxidizes at high temperature with air reaction.
On the other hand, titanium alloy sheet has higher stability compared to aluminium alloy plate, is not easy to send out in the long-term use
Change shape, and titanium alloy sheet and aluminium alloy plate are pressed to form composite material, can significantly improve the stability of aluminium alloy plate；And carbon
Fiber cloth has good stretch-proof, a tear resistance, and carbon cloth among aluminium alloy plate and titanium alloy sheet can be
The extraneous stretching applied, tear stress are eliminated to a certain extent, improve the stability of integral material.
Further, spray booth is equipped between the roller hearth furnace A and the cold rolling station, on aluminium alloy plate surface
Tungsten carbide coating is formed, the spray booth one side is connected by hermatic door B with roller hearth furnace A, and opposite side is provided with hermatic door E,
It is connected with cold rolling station, spray gun is equipped in spray booth.
Wherein, the tungsten carbide of spraying can form transition zone between aluminium alloy plate and carbon cloth, be promoted between the two
Bond strength, enable aluminum alloy to composite plate stability improve.On the other hand, tungsten carbide coating is also prevented from aluminium alloy plate and exists
It contacts and aoxidizes with air on cold rolling station.
The heat treatment method of high stability aluminium alloy is after aluminium alloy ingot bar founding, to be warming up to the speed of 1 DEG C/s
500 DEG C, 30 minutes are kept the temperature, then 1300 DEG C are warming up to the speed of 4 DEG C/s, when heat preservation 6-8 is small, afterwards with the speed of 0.5 DEG C/s
Degree cooling, hot pressing is carried out when dropping to 450 DEG C, is formed the alloy sheets that thickness is 1.5cm, is warming up to again with the speed of 5 DEG C/s afterwards
Quenched after 700 DEG C of heat preservation 1h, cooling place 24 it is small when after obtained aluminium alloy plate and carbon cloth, titanium alloy sheet are pressed, it
Afterwards with the speed of 4 DEG C/s be warming up to 900 DEG C heat preservation 12 it is small when, cooling, obtain aluminium alloy plate.
Wherein, hot pressing are carried out in 450 DEG C of heat preservations to aluminum alloy materials to heat up again the processing step of quenching, can effectively disappeared
Except the internal stress of aluminum alloy materials, and the toughness of material is enhanced, be unlikely to deform the aluminum alloy materials finally obtained, stability
It is high.
Further, the step of being additionally included in aluminium alloy plate surface spraying tungsten carbide after quenching.
Aluminium alloy ingot bar forms：Mg0.5-0.8wt%, Ti0.7-1.5%, Ni0.3-0.4wt%, Cr0.03-0.06wt%,
Si1.6-2.4%, remaining is Al.The component of titanium alloy is：V20-35wt%, Cr1.3-3.6wt%, Ni5-8wt%, Al10-12%,
Sn0.8-1.5wt%, Ag0.5-0.7wt%, remaining is Ti.It is suitable for according to aluminium alloy made from said ratio and titanium alloy material
Auto parts and components are good with higher intensity and the combination interface of good composite attribute and carbon cloth.
The beneficial effects of the present invention are：It is compound with aluminium alloy plate and carbon cloth, titanium alloy sheet, obtain lightweight, height
The aluminum alloy materials of stability, high intensity effectively raise the performance and security of new-energy automobile.
Description of the drawings
Fig. 1 shows aluminum alloy heat processing unit.
Specific embodiment
Below in conjunction with embodiment, the present invention will be described in more detail.
As shown in Figure 1, the annealing device of high stability aluminium alloy, including stent 1 and the continuous rolling 2 being located on stent,
Include two equipped with roller hearth furnace A3, spray booth 4, cold rolling station 5, roller hearth furnace B6, the roller hearth furnace A3 successively on continuous rolling
A side wall is respectively equipped with hermatic door A7, hermatic door B10 in two side walls, and it is close to be additionally provided with other twice in the furnace chamber of roller hearth furnace A
Seal up a door A ' 8 and hermatic door B ' 9, and furnace chamber is divided into 3 chambers, hot roll is equipped in intermediate chamber, by by aluminium alloy
Ingot bar is rolled into plate, and vaccum-pumping equipment is equipped in roller hearth furnace A（Fig. 1 is not shown）.Roller hearth furnace A passes through the sealing on side wall
Door B10 connection spray booths, for forming coating on aluminium alloy plate surface, spray booth opposite side is provided with hermatic door E11 and cold rolling
Station connects, and spray gun 14 is equipped in spray booth, and the cold rolling station 4 has cold roll B, and cold rolling station 4 is connected by hermatic door C12
Roller hearth furnace B5 is met, roller hearth furnace B5 opposite sides side wall is equipped with hermatic door D13, vaccum-pumping equipment is equipped in stove（Fig. 1 does not show
Go out）, all hermatic doors connect with vaccum-pumping equipment with central control system.
The method of operation of aluminum alloy heat processing unit is as follows：All hermatic doors are in opening, aluminium alloy ingot bar at the beginning
Entering the first chamber of roller hearth furnace A2 by hermatic door A, central control system control hermatic door A and E are closed, hermatic door A ',
B ' and B is opened, and vaccum-pumping equipment starts to vacuumize, and roller hearth furnace A is warming up to 500 DEG C with the speed of 1 DEG C/s after vacuumizing,
Then heat preservation 30 minutes is warming up to 1300 DEG C, when heat preservation 6-8 is small with the speed of 4 DEG C/s, is cooled down afterwards with the speed of 0.5 DEG C/s,
When dropping to 450 DEG C, aluminium alloy ingot bar is sent into second chamber by continuous rolling, and hermatic door A ' is closed, and aluminium alloy ingot bar passes through hot roll
Hot rolling is carried out, forms the aluminium alloy plate that thickness is 1.5cm, afterwards into the 3rd chamber, hermatic door B ' is closed, and the 3rd chamber is with 5
DEG C/speed of s is warming up to 700 DEG C and quenched after keeping the temperature 1h, cooling place 24 it is small when, then obtained aluminium alloy plate is sent to spray
Room is applied, hermatic door B is closed, then spray gun sprayed wc coating on aluminium alloy plate surface, and hermatic door E is opened after coating, aluminium
Alloy sheets are transported to cold rolling station, are pressed with carbon cloth, titanium alloy sheet, carbon cloth is located at aluminium alloy plate and titanium alloy sheet
Centre, aluminium alloy compound plate is sent into roller hearth furnace B afterwards, hermatic door C and hermatic door D are closed, and vaccum-pumping equipment starts
Vacuumize, vacuumize end after roller hearth furnace B with the speed of 4 DEG C/s be warming up to 900 DEG C and keep the temperature 12 it is small when, cooling, obtain
High stability aluminium alloy plate.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to the technical side of the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain that claims of the present invention determines.
Claims (7)
1. a kind of annealing device of high stability aluminium alloy, which is characterized in that including stent and the continuous rolling that is located on stent,
It is equipped with roller hearth furnace A, cold rolling station, roller hearth furnace B on the continuous rolling successively, the roller hearth furnace A includes two side walls, and two
Hermatic door A, hermatic door B are respectively equipped on a side wall, other two seals door is additionally provided in the furnace chamber of roller hearth furnace A, by furnace chamber
Be divided into 3 chambers, hot roll be equipped in intermediate chamber, by by aluminium alloy ingot bar be rolled into plate, in roller hearth furnace A
Vaccum-pumping equipment is additionally provided with, roller hearth furnace A passes through the hermatic door B connection cold rolling stations on side wall；The cold rolling station has cold
Aluminium alloy plate and carbon cloth, titanium alloy sheet are cold rolled to composite plate by roll, and carbon cloth is located at aluminium alloy plate and titanium alloy sheet
Centre；Cold rolling station is equipped with hermatic door D by hermatic door C connection roller hearth furnace B one sides, the roller hearth furnace B opposite sides,
Vaccum-pumping equipment is equipped in stove；All hermatic doors are connected with vaccum-pumping equipment with central control system.
2. the annealing device of high stability aluminium alloy according to claim 1, which is characterized in that the roller hearth furnace A
Spray booth is equipped between the cold rolling station, for forming coating on aluminium alloy plate surface, the spray booth one side passes through
Hermatic door B is connected with roller hearth furnace A, and opposite side is connected by hermatic door E with cold rolling station, and spray gun is equipped in spray booth.
3. the annealing device of high stability aluminium alloy according to claim 2, which is characterized in that the spray booth is in aluminium
Alloy sheets surface spraying tungsten carbide coating.
4. a kind of heat treatment method of high stability aluminium alloy, which is characterized in that aluminium alloy ingot bar is heated up with the speed of 1 DEG C/s
To 500 DEG C, 30 minutes are kept the temperature, then 1300 DEG C are warming up to the speed of 4 DEG C/s, when heat preservation 8 is small, afterwards with the speed of 0.5 DEG C/s
Degree cooling, hot pressing is carried out when dropping to 450 DEG C, is formed the alloy sheets that thickness is 1.5cm, is warming up to again with the speed of 5 DEG C/s afterwards
700 DEG C heat preservation 1h after quench, cooling place 24 it is small when after obtained aluminium alloy plate and carbon cloth, titanium alloy sheet cold rolling are formed
Composite plate, carbon cloth are located at the centre of aluminium alloy plate and titanium alloy sheet, are then warming up to 900 DEG C of heat preservations with the speed of 4 DEG C/s
12 it is small when, cooling, obtain high stability aluminium alloy plate.
5. the heat treatment method of high stability aluminium alloy according to claim 4, which is characterized in that the aluminium alloy ingot bar
Ingredient be：Mg 0.5-0.8wt%, Ti 0.7-1.5%, Ni 0.3-0.4wt%, Cr 0.03-0.06wt%, Si 1.6-2.4%,
Remaining is Al.
6. the annealing device of high stability aluminium alloy according to claim 4, which is characterized in that the titanium alloy sheet
Ingredient is：V20-35wt%, Cr1.3-3.6wt%, Ni5-8wt%, Al10-12%, Sn0.8-1.5wt%, Ag0.5-0.7wt%,
Remaining is Ti.
7. the heat treatment method of high stability aluminium alloy according to claim 4, which is characterized in that in the aluminium alloy plate
It is added in after quenching the aluminium alloy plate surface spraying tungsten carbide the step of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096315.9A CN108070756A (en) | 2018-01-31 | 2018-01-31 | A kind of annealing device and heat treatment method of high stability aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810096315.9A CN108070756A (en) | 2018-01-31 | 2018-01-31 | A kind of annealing device and heat treatment method of high stability aluminium alloy |
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| CN108070756A true CN108070756A (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810096315.9A Pending CN108070756A (en) | 2018-01-31 | 2018-01-31 | A kind of annealing device and heat treatment method of high stability aluminium alloy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253998A (en) * | 2019-07-16 | 2019-09-20 | 广东铭利达科技有限公司 | A kind of aluminum alloy die casting heat treatment method and device |
| CN110527814A (en) * | 2019-10-12 | 2019-12-03 | 大连汇程铝业有限公司 | A kind of aluminum alloy pre-stretching cut deal roller-bottom type glowing furnace control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320729A (en) * | 2013-05-31 | 2013-09-25 | 浙江巨科铝业有限公司 | Preparation method of Al-Mg alloy plate for automobile body |
-
2018
- 2018-01-31 CN CN201810096315.9A patent/CN108070756A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320729A (en) * | 2013-05-31 | 2013-09-25 | 浙江巨科铝业有限公司 | Preparation method of Al-Mg alloy plate for automobile body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253998A (en) * | 2019-07-16 | 2019-09-20 | 广东铭利达科技有限公司 | A kind of aluminum alloy die casting heat treatment method and device |
| CN110527814A (en) * | 2019-10-12 | 2019-12-03 | 大连汇程铝业有限公司 | A kind of aluminum alloy pre-stretching cut deal roller-bottom type glowing furnace control method |
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Application publication date: 20180525 |