CN108213083A - A kind of single chassis continuously prepares three stages thickening sheet roll and double-roll rolling mill and technique - Google Patents
A kind of single chassis continuously prepares three stages thickening sheet roll and double-roll rolling mill and technique Download PDFInfo
- Publication number
- CN108213083A CN108213083A CN201810160116.XA CN201810160116A CN108213083A CN 108213083 A CN108213083 A CN 108213083A CN 201810160116 A CN201810160116 A CN 201810160116A CN 108213083 A CN108213083 A CN 108213083A
- Authority
- CN
- China
- Prior art keywords
- roll
- single chassis
- stages
- radius
- slab
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/021—Twin mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Metal Rolling (AREA)
Abstract
A kind of single chassis continuously prepares three stages thickening sheet roll, and including roll neck and the body of roll, the body of roll is circumferentially divided into three parts, and the radius of first part is R1, and the radius of second part is R2, and the radius of Part III is R3, and R1 ＞ R2 ＞ R3.The three parts are a cycle, and roll includes N number of cycle, N >=1, and first part in each cycle, second part and Part III put in order it is identical.Three stage thickening plate techniques are continuously prepared the present invention also provides the double-roll rolling mill with the roll and using the single chassis of the double-roll rolling mill, strip is passed through into milling train, the poor slab of specific standard is produced, gained difference slab strip is sheared, prepares different poor plate products.Requirement present invention reduces poor thick slab production plants has bright prospects, it can be achieved that aluminium alloy difference slab continuous operations, the high-performance aluminium alloy difference slab of production have the prospect for substituting steel difference slab and steel tailor welded in fields such as automotive light weight technologies.
Description
Technical field
The invention belongs to metal material rolling technical field, more particularly to a kind of single chassis continuously prepares three stage thickening plates
Roll and double-roll rolling mill and technique.
Background technology
At present, automotive light weight technology obtains the extensive concern of international community, and people are dedicated to dropping by various techniques and technology
The weight of low automobile.Because with the reduction of vehicle weight, automobile energy consumption will be greatly reduced.
Vehicle weight is reduced, one way in which is to substitute steel plate using high tough aluminum alloy materials.Relative to steel
For, the density of aluminium alloy is greatly reduced.However, aluminium alloy strips are needed in automobile preparation process using special welding side
Formula or riveting method improve manufacture cost.
Varying-thickness rolling can be used for preparing tapering plate, be mainly used to produce steel section rolled-material at present, use this
The tailor welded in market is substituted, there is important prospect in automotive field lightweight preparation.Varying-thickness rolling can exempt band it
Between welding, be of great significance for aluminium alloy automobile plate.However, poor slab currently on the market is by high-precision
The controllable milling train production of thickness is spent, wherein high-precision thickness reponse system is more expensive, in addition, in order to adapt to the accurate control of thickness
System, many hydraulic components are needed from external import, while expensive.
Invention content
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of single chassis continuously to prepare three ranks
Duan Bianhou sheet rolls and double-roll rolling mill and technique, can prepare three stage alloyed aluminium variable slabs of high quality, which would be possible to
For manufacturing auto parts and components.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of single chassis continuously prepares three stages thickening sheet roll, and including roll neck and the body of roll, the body of roll is circumferentially divided into
Three parts, the radius of first part are R1, and the radius of second part is R2, and the radius of Part III is R3, and R1 ＞ R2 ＞ R3.
The radius of the body of roll is R4, and R4 ＜ R3.
The barrel length range 100mm~1500mm, roll neck length range 100mm~600mm.
The three parts are a cycle, and roll includes N number of cycle, N >=1, and first part in each cycle, the
Putting in order for two parts and Part III is identical.
Radian corresponding to the first part, second part and Part III is according to long scale of poor plate product each stage
Standard determines.
The continuous double-roll rolling mill for preparing three stages thickening sheet roll of the single chassis is carried the present invention also provides a kind of, on
Roller and lower roll are using the roll, and up-down rollers are full symmetric.
Roll gap between the upper roller and lower roll is set using at roll barrel radius R1 as setting, is equal to rolled piece product
Minimum thickness.
The present invention also provides a kind of single chassis using the double-roll rolling mill continuously to prepare three stage thickening plate techniques, will
Strip produces the poor slab of specific standard, gained difference slab strip is sheared, it is thick to prepare different differences by milling train
Panel products.
The strip is aluminum alloy strip, and thickness is in 1-4mm.
During poor heavy plate rolling, liquid nitrogen cooling can be carried out to roll, realize deep cooling difference heavy plate rolling.
It is the road of the important development of automotive light weight technology for steel with aluminium, in this background, one kind of the present invention is used to prepare three
The roll and two-roller mill of stage thickening plate significantly reduce the requirement of poor thick slab production plants, it can be achieved that aluminium alloy difference is thick
Plate continuous operations, the high-performance aluminium alloy difference slab of production has the prospect for substituting steel difference slab and steel tailor welded, in vapour
The fields such as vehicle lightweight have bright prospects.
Description of the drawings
Fig. 1 is three stage difference slab roll front views of the invention.
Fig. 2 is three stage difference slab roll vertical views of the invention.
Fig. 3 is three stage difference slab roll side views of the invention.
Fig. 4 recycles three stages trapezoidal roll stereoscopic schematic diagram for the present invention four.
Fig. 5 is three stages difference heavy plate rolling schematic diagram of the invention.
The operation of rolling roll gap that Fig. 6 is the present invention sets schematic diagram.
Fig. 7 is the present invention five kinds of typical three stages difference slab schematic diagrames of gained.
Fig. 8 is three thin stage difference slabs of 1 gained side thickness side of the embodiment of the present invention.
Fig. 9 is 2 gained of the embodiment of the present invention, three stage difference slabs thick on both sides and thin in the middle.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
With reference to figure 1, Fig. 2 and Fig. 3, a kind of single chassis of the present invention continuously prepares three stages thickening sheet roll, including roll neck with
The body of roll according to milling train, sets roll neck length L1 ranging from 100mm~600mm, according to product width, sets barrel length L2 models
It encloses for 100mm~1500mm, wherein product width is less than barrel length L2.
The body of roll is circumferentially divided into three parts, and the radius of first part is R1, for maximum body of roll radius；The radius of second part
It is middle layer body of roll radius for R2；The radius of Part III is R3, for minimum body of roll radius；The radius of roll neck is R4, R1 ＞ R2
＞ R3 ＞ R4.According to product size demand, different R1, R2, R3, R4 are set.θ 1, θ 2, θ 3 be respectively first part, second
Divide, the radian corresponding to Part III, size is determined according to each stage length standard of poor plate product.
Poor each stage length of plate product is respectively equal to R1 θ 1, R2 θ 2, R3 θ 3, and wherein θ 1- θ 3 use radian value.
Fig. 1-Fig. 3 gives the case using the poor slab of one block of the production of roll rotation one week, i.e., first part, second
Divide, Part III only constitutes a cycle.
In actual mechanical process, according to poor slab width, it could be provided as roll and often rotate the two pieces of difference thickness of production in one week
Plate, three blocks of poor slabs or more, cardinal principle is identical with Fig. 1-Fig. 3, by Roller Machining into trapezoidal the rolling of N (N >=1) a cycle
Roller is illustrated in figure 4 the trapezoidal roll stereoscopic schematic diagram of 4 cycles.First part, second part and third portion in each cycle
Putting in order for dividing is identical.
It, can be in roller surface in order to ensure the rigidity of roll and high antiwear property for roll prepared by processing
Increase coating protection, such as chromium plating.
With reference to figure 5 and Fig. 6, poor Heavy plate production process is as follows：
The first step：Aluminum alloy strip 1 with high-quality is raw material, and the material thickness of aluminum alloy strip 1 is in 1-4mm.Aluminium closes
Ultra-fine Grained AA2xxx, AA5xxx, AA6xxx aluminium alloy that golden plate band 1 is prepared using deep cooling rolling is representatives.
Second step：By Roller Machining into identical pattern, in assembling process, upper roller 2 and lower roll 3 are completely right up and down
Claim.Roll gap between upper roller 2 and lower roll 3 is set using at roll barrel radius R1 as setting, and the minimum for being equal to rolled piece product is thick
Degree.That is, the minimum thickness of poor plate product is the gap values between rollers of first part's setting, middle layer and the thickness difference of minimum thickness layer
For 2 (R1-R2), the thickness difference of middle layer and maximum gauge layer is 2 (R2-R3).
Third walks：By aluminum alloy strip by milling train, three stage difference slabs 4 of specific standard are produced.
During poor heavy plate rolling, liquid nitrogen cooling can be carried out to roll, so as to carry out deep cooling difference heavy plate rolling.
4th step：Three stage difference slabs 4 of above-mentioned production are sheared, prepare different poor plate products.Fig. 7 institutes
Five kinds of typical poor plate products are shown as, wherein poor slab 1 is high-medium-low structure, poor slab 2 is high-medium-low-high structure,
Poor slab 3 is high-low-middle structure, and poor slab 4 is medium-low-high-middle structure, and poor slab 5 is low-high-medium-low structure.
The cardinal principle of the present invention is relatively low with respect to for steel material for deformation stress in aluminium alloys, when rolled piece thickness is thicker
When can be produced with two-roller mill.Thus, by the three stages trapezoidal roll of the present invention, and in roller surface coating height
The coating of intensity may be such that roll rigidity is larger, and when rolled piece passes through roll, the aluminium alloy for producing high quality is thickening
Plate.
It is two specific examples of the present invention below.
Example 1：
Production side thickness is 1.6mm, the three stage difference slabs that centre is 1.4mm, side is 1.2mm.
Roll barrel length L2 is set as 450mm, roll neck length L1 is set as 500mm.Roll barrel maximum radius R1
150mm is set as, roll barrel interlude radius R2 is set as 149.9mm, and roll barrel least radius is 149.8mm.Roll
Middle θ 1, θ 2, θ 3 are respectively set to 120 °.In the operation of rolling, it is 1.2mm to set minimum roll gap.Using Ultra-fine Grained AA6061 aluminium
Alloy is rolled for raw material, and thickness is 2mm, width 240mm before rolled piece rolling.After being rolled by a time, to poor thick
Plate is sheared.Poor plate product is as shown in Figure 8.
Example 2：
Production thickness is respectively the three stage difference slabs of 1.6mm, 1.2mm and 1.0mm.
Roll barrel length L2 is set as 500mm, roll neck length L1 is set as 550mm.Roll barrel maximum radius R1
200mm is set as, roll barrel least radius R2 is set as 199.7mm, and interlude roll barrel radius is set as 199.8mm.
θ 1, θ 2, θ 3 are respectively set to 60 °, 120 ° and 180 ° in roll.In the operation of rolling, setting roll gap is 1.0mm.Using Ultra-fine Grained
AA5052 aluminium alloys are rolled for raw material, and thickness is 2.0mm, width 250mm before rolled piece rolling.It is rolled by a time
Afterwards, it is the three stage difference slabs that thickness is respectively 1.6mm, 1.2mm and 1.0mm to produce side thickness.Poor slab is cut
It cuts, it is as shown in Figure 9 to be processed into product.
Claims (10)
1. a kind of single chassis continuously prepares three stages thickening sheet roll, including roll neck and the body of roll, which is characterized in that the body of roll edge
Circumferentially it is divided into three parts, the radius of first part is R1, and the radius of second part is R2, and the radius of Part III is R3, and R1
＞ R2 ＞ R3.
2. single chassis continuously prepares three stages thickening sheet roll according to claim 1, which is characterized in that the half of the body of roll
Diameter is R4, and R4 ＜ R3.
3. single chassis continuously prepares three stages thickening sheet roll according to claim 1, which is characterized in that the barrel length
Range 100mm~1500mm, roll neck length range 100mm~600mm.
4. single chassis continuously prepares three stages thickening sheet roll according to claim 1, which is characterized in that the three parts are
One cycle, roll include N number of cycle, N >=1, and in each cycle first part, second part and Part III row
Row sequence is identical.
5. three stages thickening sheet roll is continuously prepared according to the single chassis of claim 1 or 4, which is characterized in that described first
Partly, second part and the radian corresponding to Part III are determined according to each stage length standard of poor plate product.
6. a kind of double-roll rolling mill that three stages thickening sheet roll is continuously prepared with single chassis described in claim 1, feature exist
In upper roller and lower roll are using the roll, and up-down rollers are full symmetric.
7. double-roll rolling mill according to claim 6, which is characterized in that the roll gap between the upper roller and lower roll is set with roller
As setting at body radius R1, it is equal to the minimum thickness of rolled piece product.
8. a kind of single chassis using double-roll rolling mill described in claim 6 continuously prepares three stage thickening plate techniques, feature exists
In by strip by milling train, producing the poor slab of specific standard, gained difference slab strip sheared, prepares difference
Poor plate product.
9. single chassis continuously prepares three stage thickening plate techniques according to claim 8, which is characterized in that the strip is aluminium
Alloy sheet strip, thickness is in 1-4mm.
10. single chassis continuously prepares three stage thickening plate techniques according to claim 8, which is characterized in that is rolled in poor slab
During system, liquid nitrogen cooling is carried out to roll, realizes deep cooling difference heavy plate rolling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160116.XA CN108213083A (en) | 2018-02-26 | 2018-02-26 | A kind of single chassis continuously prepares three stages thickening sheet roll and double-roll rolling mill and technique |
| CN201910132692.8A CN109759449A (en) | 2018-02-26 | 2019-02-22 | A kind of single chassis continuously prepares multistage segment difference slab roll and double-roll rolling mill and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160116.XA CN108213083A (en) | 2018-02-26 | 2018-02-26 | A kind of single chassis continuously prepares three stages thickening sheet roll and double-roll rolling mill and technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108213083A true CN108213083A (en) | 2018-06-29 |
Family
ID=62662121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160116.XA Withdrawn CN108213083A (en) | 2018-02-26 | 2018-02-26 | A kind of single chassis continuously prepares three stages thickening sheet roll and double-roll rolling mill and technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108213083A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605124A (en) * | 2020-11-27 | 2021-04-06 | 广州普德机电设备有限公司 | Rolling equipment and forming method for continuous variable cross-section thin steel plate |
| CN112872068A (en) * | 2021-02-09 | 2021-06-01 | 苏州宇邦新型材料股份有限公司 | Calendering device, sectional type special-shaped copper strip production equipment and method |
-
2018
- 2018-02-26 CN CN201810160116.XA patent/CN108213083A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605124A (en) * | 2020-11-27 | 2021-04-06 | 广州普德机电设备有限公司 | Rolling equipment and forming method for continuous variable cross-section thin steel plate |
| CN112605124B (en) * | 2020-11-27 | 2022-07-05 | 苏州吉润汽车零部件有限公司 | Rolling equipment and forming method for continuous variable cross-section thin steel plate |
| CN112872068A (en) * | 2021-02-09 | 2021-06-01 | 苏州宇邦新型材料股份有限公司 | Calendering device, sectional type special-shaped copper strip production equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104775060B (en) | A kind of production of aluminum alloy continuous casting tandem rolling base and heat treatment method | |
| Liang et al. | The twin-roll strip casting of magnesium | |
| CN104561671A (en) | Method for preparing high-elongation medical aluminum foil from cast rolled stock | |
| CN103316915A (en) | Method for preparing wide magnesium alloy sheet | |
| CN111889512B (en) | Method for producing thin steel plate by single-stand rolling mill | |
| CN103817495A (en) | Manufacturing method of aluminum alloy hub | |
| CN102848135A (en) | Production method of super-thick steel plate with uniform performance in thickness direction | |
| CN106086532A (en) | A kind of capacitor case aluminium alloy strips and preparation method thereof | |
| CN102581039A (en) | Method for rolling pure titanium strip | |
| CN108213083A (en) | A kind of single chassis continuously prepares three stages thickening sheet roll and double-roll rolling mill and technique | |
| CN108405610A (en) | A kind of rolling preparation method of the asymmetric three stages difference slab of high-performance | |
| CN108421826A (en) | A kind of single chassis continuously prepares two benches and thickens sheet roll and double-roll rolling mill and technique | |
| CN108405612A (en) | A kind of rolling preparation method of the asymmetric two benches difference slab of high-performance | |
| CN109759449A (en) | A kind of single chassis continuously prepares multistage segment difference slab roll and double-roll rolling mill and technique | |
| CN101586211B (en) | Producing method of hot-rolled steel sheet containing niobium steel | |
| CN105268903A (en) | Forging forming method of aluminum alloy hub | |
| CN108384938A (en) | A kind of method and apparatus for constraining rolling crystal grain thinning in increasing material manufacturing with the shape | |
| CN110205552A (en) | The hot rolling hot forming sheet metal and its production method of 1500MPa grades of short route productions of tensile strength and application | |
| CN108480588A (en) | A kind of continuous casting billet production method of mould steel | |
| CN100998989A (en) | Themal continuous rolling method of aluminium alloy sheet material for ring pull can body | |
| CN103143566B (en) | A kind of Titanium-steel composite board roll and production method thereof | |
| CN105414183B (en) | Roll-casting of magnesium alloy plate prepares the process of wide sheet | |
| CN105423113B (en) | Roll-casting of magnesium alloy plate prepares the blank shape and method for determining dimension of wide sheet | |
| CN113333465A (en) | Rolling method for rolling sector plate by blooming mill and hole pattern system used by same | |
| JP4016818B2 (en) | Manufacturing method of H-shaped steel with flange tip R and its hot rolling device row |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180629 |
|
| WW01 | Invention patent application withdrawn after publication |