CN105170648A - High-strength aluminum alloy sheet hot rolling line having sheet shape control function - Google Patents
High-strength aluminum alloy sheet hot rolling line having sheet shape control function Download PDFInfo
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- CN105170648A CN105170648A CN201510669480.5A CN201510669480A CN105170648A CN 105170648 A CN105170648 A CN 105170648A CN 201510669480 A CN201510669480 A CN 201510669480A CN 105170648 A CN105170648 A CN 105170648A
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- strength aluminum
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 26
- 238000005098 hot rolling Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 238000005096 rolling process Methods 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000003801 milling Methods 0.000 claims description 36
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910001008 7075 aluminium alloy Inorganic materials 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/30—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 plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—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 plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
- B21B1/34—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 plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2271/00—Mill stand parameters
- B21B2271/02—Roll gap, screw-down position, draft position
Abstract
The invention relates to the field of nonferrous metal pressure machining machinery, in particular to a high-strength aluminum alloy sheet hot rolling line having a sheet shape control function. The high-strength aluminum alloy sheet hot rolling line comprises a rolling mill, a feeding roller way and a discharging roller way. The feeding roller way and the discharging roller way are distributed at the two sides of the rolling mill respectively. Front hydraulic shears, a front roller way heating furnace and a front stretching leveler are sequentially arranged between the feeding roller way and the rolling mill. Rear hydraulic shears, a rear roller way heating furnace and a rear stretching leveler are sequentially arranged between the discharging roller way and the rolling mill. According to the high-strength aluminum alloy sheet hot rolling line, a block-type method is adopted, the thickness of a high-strength aluminum alloy sheet billet can be rolled from 10-60 mm to 0.75-6 mm rapidly through one-time heating, the obtained sheet is flat and straight in shape, the surface of the sheet is smooth and clean, and both equipment cost and process cost are low
Description
Technical field
The present invention relates to non-ferrous metal pressure processing field, particularly relate to a kind of high-strength aluminum alloy thin plate hot rolling machine row with plate form control function.
Background technology
High-strength aluminum alloy is because of the impact of the factors such as intensity is higher, plasticity strengthening is violent, thermal conductivity is good, when rolling after hot rolling to below 10mm will become difficulty gradually, thickness difficulty after 4mm is increasing, particularly when thickness is less than, 2mm is later more difficult realizes rolling, hot rolling is not only dispelled the heat very fast, and causing deformation strengthening to aggravate because relative deformation is comparatively large, cold roller and deformed strengthening is violent; According to the rolling of rolling method, then not only system power is large, and the suitable bulky complex of system, and domestic conventional hot-rolling mill all at present can not complete and roll rapidly thin task.
Current China can also only have southwestern aluminium, northeast light-alloy, South-South Lv Deng minority enterprise to the producer of about 10mm by the disposable high-strength aluminum alloy hot rolling taking 7XXX series as representative, after sheet thickness is reduced to 10mm and is following, usually can run into following several large problem: thinning more and more faster with thickness of a. radiating rate, roll thin being difficult to; B. template is along with the more and more difficult control of reduction of thickness, when particularly thickness is less than 2mm; C. first-class abroad high-strength aluminum alloy sheet mill is expensive; D. thickness is got over small-scale production cost and is significantly promoted.
Summary of the invention
The object of this invention is to provide a kind of high-strength aluminum alloy thin plate hot rolling machine row with plate form control function, realization block formula method high-efficiency and low-cost high-quality production high-strength aluminum alloy thin plate, and below 1mm thickness can be rolled down to fast, be less than the 2mm more difficult technical problem realizing rolling later to solve the thickness proposed in background technology.
For achieving the above object, the technical solution adopted in the present invention is: a kind of high-strength aluminum alloy thin plate hot rolling machine row with plate form control function, comprise milling train 1, charging roller 2 and discharging roller-way 3, charging roller 2 and discharging roller-way 3 are distributed in milling train 1 both sides;
It is characterized in that: between charging roller 2 and milling train 1, be disposed with front hydraulic shear 4, front roller-way heating furnace 5 and front stretching level(l)ing machine 6, between discharging roller-way 3 and milling train 1, be disposed with rear hydraulic shear 7, rear roller-way heating furnace 8 and after-drawing level(l)ing machine 9.
Optimize as concrete further, described charging roller 2, front hydraulic shear 4, front roller-way heating furnace 5 and front stretching level(l)ing machine 6 have identical structure with discharging roller-way 3, rear hydraulic shear 7, rear roller-way heating furnace 8 and after-drawing level(l)ing machine 9 respectively, and rolling transporting direction is reversible; Adopt this reversible rolling structure, multi-pass rolling back and forth can be carried out, in its back and forth operation of rolling, constantly adjust roll gap spacing, until be rolled into desired thickness.This structure can improve rolling operating efficiency preferably, keep rolled piece cooling rate in the operation of rolling less and can ensure that rolled piece temperature is not less than minimum rolling temperature, and the discontinuity that can effectively avoid unidirection rolling to produce cooling, can realize preferably being disposablely pressed into less thickness.
Optimize as concrete further, in described front roller-way heating furnace 5 and rear roller-way heating furnace 8, high temperature resistant roller-way 51 is installed, in front roller-way heating furnace 5 and rear roller-way heating furnace 8, automatic temperature control device 52 is all installed, the temperature controlling range of automatic temperature control device 52 is 20 DEG C to 550 DEG C, and high temperature resistant roller-way 51 speed and milling train 1 are worked in coordination with; Automatic temperature control device 52 makes in-furnace temperature be stabilized in set temperature by the heating power controlled in its stove, effectively can prevent rolled piece temperature from declining, can also carry out on-line heating where necessary to rolled piece.
Optimize as concrete further, described front stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9 all comprise multiple upper pressure roller 61 and lower compression roller 62, lower compression roller 62 is highly fixing or trace is adjustable, its fine setting scope is 0mm to 30mm, the height adjustable of the relative lower compression roller 62 of upper pressure roller 61, adjusting range is 0mm to 120mm, and between upper pressure roller 61 and lower compression roller, roll gap adopts hydraulic AGC or is with the electric screw mechanism driving of displacement measurement; By the adjustment of hydraulic AGC or electric screw mechanism, roll gap can be precisely controlled; And possess the front stretching level(l)ing machine 6 of this structure and after-drawing level(l)ing machine 9 forms tensile stress again and between milling train while carrying out leveling to the plate of rolling, the existing entrance tension force of this tension force, also outlet tension force is had, the large I of tensile stress adjusts between 1Mpa to 9Mpa, front stretching level(l)ing machine 6 and the tension force between after-drawing level(l)ing machine 9 and milling train can be controlled by the speed and drafts that adjust front stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9 respectively, thus realize the rolling with (stock) tension of block formula method.
Optimize as concrete further, described front roller-way heating furnace 5 and the spacing between rear roller-way heating furnace 8 and milling train 1 are 600mm to 2500mm.
Optimize as concrete further, described front stretching level(l)ing machine 6 and the spacing between after-drawing level(l)ing machine 9 and milling train 1 are 150mm to 800mm.
Optimize as concrete further, described front hydraulic shear 4 is all containing upper scissors 41 and lower scissors 42, and upper scissors 41 and lower scissors 42 are all in transmission connection with hydraulic pushing device, and described rear hydraulic shear 7 is identical with front hydraulic shear 4 structure.
Optimize as concrete further, described milling train 1 is four roll reversing rollers, and its mill speed is coordinated mutually with the speed of charging roller 2, discharging roller-way 3, front stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9.
Operation principle: the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function of the present invention, during use, first by front, after-drawing level(l)ing machine roll gap and mill roll-gap are transferred to target roll seam respectively in advance, air heat in the roller-way heating furnace of front and back is maintained between 290 DEG C to 400 DEG C, get out other subsidiary conditions (as emulsion), again the billet heated is delivered on charging roller, start the operation of rolling, billet stretches before being transported under the driving of roller-way level(l)ing machine, then successively through front stretching level(l)ing machine, milling train, after-drawing level(l)ing machine completes a passes technique, directly enter in rear heated table stove from after-drawing level(l)ing machine plate out and stop, then stretching level(l)ing machine roll gap and mill roll-gap before and after adjustment respectively, reversely completes a rolling pass, so repeatedly, until plate to be rolled down to the thickness of regulation, can carry out crop if desired by front and back hydraulic shear.
Beneficial effect: the feature of the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function of the present invention is: a. by rolling with (stock) tension with leveling in conjunction with as a whole, by controlling drafts and the speed of forward and backward stretching level(l)ing machine, can make plate front and back all belt tensions in the operation of rolling, and a limit size can control respectively; B. roller-way is positioned at heating furnace, and in-furnace temperature can control, and it is very little that the plate in technical process can maintain rolling temperature decrease speed, thus can be rolled down to less thickness disposable for the alloy plate material of high strength; C. by controlling the drafts of front and back stretching level(l)ing machine, both can control tension force, also can control template; This machine of d row both can rolling high-strength degree aluminium alloy, also can be used for poor other metals of plasticity under rolling cold conditions, as magnesium alloy, and titanium alloy etc.
Due to above feature, the present invention is rolled down to 0.75mm to 6mm thickness thick from 10mm to 60mm for high-strength aluminium alloy plate billet after once heating fast, and gained sheet material template is straight, any surface finish, and also can controlled rolling tension force and leveling effect by controlling the speed of forward and backward stretching level(l)ing machine and roll gap; Utilize the machine to arrange and also can carry out the process such as T3, T8, in addition, the present invention not only rolling quality is reliable, and equipment cost and process costs all lower.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the partial structurtes schematic diagram in the present invention between milling train and charging roller.
In figure: 1 be milling train, 2 be charging roller, 3 be discharging roller-way, 4 be front hydraulic shear, 5 be front roller-way heating furnace, 6 be front stretching level(l)ing machine, 7 be rear hydraulic shear, 8 be rear roller-way heating furnace, 9 be after-drawing level(l)ing machine, 41 be upper scissors, 42 be lower scissors, 51 be high temperature resistant roller-way, 52 be automatic temperature control device, 61 be upper pressure roller, 62 for lower compression roller.
Detailed description of the invention
Illustrate further with reference to the accompanying drawings and realize embodiments of the present invention (as Fig. 1 and Fig. 2):
Embodiment one: a kind of high-strength aluminum alloy thin plate hot rolling machine row with plate form control function, comprise milling train 1, charging roller 2 and discharging roller-way 3, charging roller 2 and discharging roller-way 3 are distributed in milling train 1 both sides; Be disposed with front hydraulic shear 4, front roller-way heating furnace 5 and front stretching level(l)ing machine 6 between charging roller 2 and milling train 1, between discharging roller-way 3 and milling train 1, be disposed with rear hydraulic shear 7, rear roller-way heating furnace 8 and after-drawing level(l)ing machine 9; Described charging roller 2, front hydraulic shear 4, front roller-way heating furnace 5 and front stretching level(l)ing machine 6 have identical structure with discharging roller-way 3, rear hydraulic shear 7, rear roller-way heating furnace 8 and after-drawing level(l)ing machine 9 respectively, and rolling transporting direction is reversible; In described front roller-way heating furnace 5 and rear roller-way heating furnace 8, high temperature resistant roller-way 51 is installed, in front roller-way heating furnace 5 and rear roller-way heating furnace 8, automatic temperature control device 52 is all installed, the temperature controlling range of automatic temperature control device 52 be room temperature DEG C to 550 DEG C, high temperature resistant roller-way 51 speed and milling train 1 are worked in coordination with; Described front stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9 all comprise multiple upper pressure roller 61 and lower compression roller 62, lower compression roller 62 is highly fixing or trace is adjustable, its fine setting scope is 0mm to 30mm, the height adjustable of the relative lower compression roller 62 of upper pressure roller 61, adjusting range is 0mm to 120mm, and upper pressure roller 61 adopts the screw mechanism transmission of hydraulic AGC or electronic band displacement measurement; Described front hydraulic shear 4 is all containing upper scissors 41 and lower scissors 42, and upper scissors 41 and lower scissors 42 are all in transmission connection with hydraulic pushing device, and described rear hydraulic shear 7 is identical with front hydraulic shear 4 structure; Adopt this structure, the upper scissors 41 of front hydraulic shear 4 and the relative motion simultaneously of lower scissors 42 energy, realize, to cutting, improve shear rate significantly, can reduce preferably to produce resistance to rolled plate when shearing; Described milling train 1 is four roll reversing rollers, and its mill speed is coordinated mutually with the speed of charging roller 2, discharging roller-way 3, front stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9; Described front roller-way heating furnace 5 and the spacing between rear roller-way heating furnace 8 and milling train 1 roll centre are 2000mm; Described front stretching level(l)ing machine 6 and the spacing between after-drawing level(l)ing machine 9 and milling train 1 roll centre are 600mm.
Embodiment two: and embodiment one difference is: described front roller-way heating furnace 5 and the spacing between rear roller-way heating furnace 8 and milling train 1 roll centre are 600mm; Described front stretching level(l)ing machine 6 and the spacing between after-drawing level(l)ing machine 9 and milling train 1 roll centre are 150mm.
Embodiment three: and embodiment one difference is: described front roller-way heating furnace 5 and the spacing between rear roller-way heating furnace 8 and milling train 1 roll centre are 2500mm; Described front stretching level(l)ing machine 6 and the spacing between after-drawing level(l)ing machine 9 and milling train 1 roll centre are 800mm.
By carrying out following concrete operations experiment to above-described embodiment one:
Operation experiments one: described milling train 1 is laterally zygomorphic four roll reversing rollers, the size of top two roll body is respectively: backing roll roller footpath 500mm, width 680mm and working roll roller footpath are 200mm, width is 750mm, front and back roller-way heating furnace long 30m respectively, the roller footpath of roller-way stretching level(l)ing machine and upper lower compression roller is 50mm, mill speed 60m/min, before being kept by servo-drive system, the speed of stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9 is mated with mill speed, when sheet thickness is rolled down to 12mm, start to apply tension force and leveling power, tensile stress controls at 2Mpa to 4Mpa, 7075 aluminium alloy specifications adopt 800mm × 630mm × 60mm hot rolled plate slab, natural gas air-heating furnace heats open rolling behind slab to 470 ± 3 DEG C in advance, in the roller-way heating furnace of front and back, air themperature is set as 350 ± 10 DEG C, reduction in pass is followed successively by 60mm respectively, 56mm, 50mm, 44mm, 38mm, 34mm, 28mm, 22mm, 18mm, 14mm, 10mm, 7.5mm, 6mm.
The effect of operation experiments one: be disposablely rolled down to 6mm from 60mm is thick, template good straightness degree, total deformation nearly 90%.
Operation experiments two: described milling train 1 is laterally zygomorphic four roll reversing rollers, the size of top two roll body is respectively: backing roll roller footpath 500mm, width 680mm and working roll footpath are 200mm, width is 750mm, front and back roller-way heating furnace long 30m respectively, the roller footpath of roller-way stretching level(l)ing machine and upper lower compression roller is 50mm, mill speed 45m/min, before keeping, the speed of stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9 is mated with mill speed, when sheet thickness is rolled down to 12mm, start to apply tension force and leveling power, tensile stress controls at 5Mpa to 6Mpa, 7075 aluminium alloy specifications adopt 1000mm × 680mm × 30mm hot rolled plate slab, natural gas air-heating furnace heats open rolling behind slab to 470 ± 3 DEG C in advance, in the roller-way heating furnace of front and back, air themperature is set as 350 ± 10 DEG C, reduction in pass is followed successively by 30mm respectively, 25mm, 19mm, 15mm, 11mm, 7mm, 4.5mm, 2.5mm, 1.5mm, 1mm.
The effect of operation experiments two: be disposablely rolled down to 1mm from 30mm is thick, template good straightness degree, total deformation about 97%.
Operation experiments three: described milling train 1 is laterally zygomorphic four roll reversing rollers, the size of top two roll body is respectively: backing roll roller footpath 500mm, width 680mm and working roll roller footpath are 200mm, width is 750mm, front and back roller-way heating furnace long 30m respectively, the roller footpath of roller-way stretching level(l)ing machine and upper lower compression roller is 50mm, mill speed 60m/min, before keeping, the speed of stretching level(l)ing machine 6 and after-drawing level(l)ing machine 9 is mated with mill speed, when sheet thickness is rolled down to 12mm, start to apply tension force and leveling power, tension force controls at 5Mpa to 7Mpa, 7075 aluminum alloy slab specifications adopt 1000mm × 680mm × 20mm hot rolled plate slab, natural gas air-heating furnace heats open rolling behind slab to 470 ± 3 DEG C in advance, in the roller-way heating furnace of front and back, air themperature is set as 330 ± 10 DEG C, reduction in pass is followed successively by 20mm respectively, 16mm, 11mm, 7mm, 5mm, 3.5mm, 2.5mm, 1.7mm, 1.0mm, 0.75mm.
The effect of operation experiments three: be disposablely rolled down to 0.75mm from 20mm is thick, template good straightness degree, total deformation about 96.3%.
Above-described embodiment only for technical conceive of the present invention and feature are described, its object is to allow person skilled in the art can understand content of the present invention, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. one kind has the high-strength aluminum alloy thin plate hot rolling machine row of plate form control function, comprise milling train (1), charging roller (2) and discharging roller-way (3), charging roller (2) and discharging roller-way (3) are distributed in milling train (1) both sides; It is characterized in that: between charging roller (2) and milling train (1), be disposed with front hydraulic shear (4), front roller-way heating furnace (5) and front stretching level(l)ing machine (6), between discharging roller-way (3) and milling train (1), be disposed with rear hydraulic shear (7), rear roller-way heating furnace (8) and after-drawing level(l)ing machine (9).
2. the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function according to claim 1, it is characterized in that: described charging roller (2), front hydraulic shear (4), front roller-way heating furnace (5) and front stretching level(l)ing machine (6) have identical structure with discharging roller-way (3), rear hydraulic shear (7), rear roller-way heating furnace (8) and after-drawing level(l)ing machine (9) respectively, and rolling direction is reversible.
3. the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function according to claim 1, it is characterized in that: in described front roller-way heating furnace (5) and rear roller-way heating furnace (8), high temperature resistant roller-way (51) is installed, in front roller-way heating furnace (5) and rear roller-way heating furnace (8), automatic temperature control device (52) is installed, the temperature controlling range of automatic temperature control device (52) is 20 DEG C to 550 DEG C, and high temperature resistant roller-way (51) speed and milling train (1) are worked in coordination with.
4. the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function according to claim 1, it is characterized in that: described front stretching level(l)ing machine (6) and after-drawing level(l)ing machine (9) all comprise multiple upper pressure roller (61) and lower compression roller (62), lower compression roller (62) is highly fixing or trace is adjustable, its fine setting scope is 0mm to 30mm, the height adjustable of the relative lower compression roller (62) of upper pressure roller (61), adjusting range is 0mm to 120mm, upper pressure roller (61) and lower compression roller (62) roll gap regulation adopt the screw mechanism transmission of hydraulic AGC or electronic band displacement measurement.
5. the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function according to claim 3, is characterized in that: the spacing between described front roller-way heating furnace (5) and the roll centre of rear roller-way heating furnace (8) and milling train (1) is 600mm to 2500mm.
6. the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function according to claim 4, is characterized in that: the minimum spacing between described front stretching level(l)ing machine (6) and the roll centre of after-drawing level(l)ing machine (9) and milling train (1) is 150mm to 800mm.
7. the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function according to claim 1 or 2 or 3 or 4, it is characterized in that: described front hydraulic shear (4) is all containing upper scissors (41) and lower scissors (42), upper scissors (41) and lower scissors (42) are all in transmission connection with hydraulic pushing device, and described rear hydraulic shear (7) is identical with front hydraulic shear (4) structure.
8. the high-strength aluminum alloy thin plate hot rolling machine row with plate form control function according to claim 1 or 2 or 3 or 4, it is characterized in that: described milling train (1) is four roll reversing rollers, its mill speed is coordinated mutually with the speed of charging roller (2), discharging roller-way (3), front stretching level(l)ing machine (6) and after-drawing level(l)ing machine (9).
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| CN201510669480.5A CN105170648A (en) | 2015-10-19 | 2015-10-19 | High-strength aluminum alloy sheet hot rolling line having sheet shape control function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774714A (en) * | 2016-08-31 | 2018-03-09 | 安徽应流久源核能新材料科技有限公司 | A kind of hot-rolling mill leveling system and its method of work |
| CN107876562A (en) * | 2017-11-23 | 2018-04-06 | 海盐中达金属电子材料有限公司 | A kind of super austenitic stainless steel steel band and its processing hot-rolling mill |
| CN113231482A (en) * | 2021-05-24 | 2021-08-10 | 巢湖云海镁业有限公司 | Asynchronous warm rolling device for wide magnesium alloy plate-shaped strip |
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| JPH11207403A (en) * | 1998-01-22 | 1999-08-03 | Hitachi Ltd | Hot steel plate rolling apparatus and rolling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107774714A (en) * | 2016-08-31 | 2018-03-09 | 安徽应流久源核能新材料科技有限公司 | A kind of hot-rolling mill leveling system and its method of work |
| CN107876562A (en) * | 2017-11-23 | 2018-04-06 | 海盐中达金属电子材料有限公司 | A kind of super austenitic stainless steel steel band and its processing hot-rolling mill |
| CN113231482A (en) * | 2021-05-24 | 2021-08-10 | 巢湖云海镁业有限公司 | Asynchronous warm rolling device for wide magnesium alloy plate-shaped strip |
| CN113231482B (en) * | 2021-05-24 | 2023-08-01 | 巢湖云海镁业有限公司 | Asynchronous warm rolling device for wide magnesium alloy plate-shaped strip |
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Application publication date: 20151223 |