CN110090866B - Cast-rolling plate type control device and method - Google Patents
Cast-rolling plate type control device and method Download PDFInfo
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- CN110090866B CN110090866B CN201810082184.9A CN201810082184A CN110090866B CN 110090866 B CN110090866 B CN 110090866B CN 201810082184 A CN201810082184 A CN 201810082184A CN 110090866 B CN110090866 B CN 110090866B
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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
- B21B1/46—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 metal immediately subsequent to continuous casting
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- 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/165—Control of thickness, width, diameter or other transverse dimensions responsive mainly to the measured thickness of the product
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- 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/18—Automatic gauge 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
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B2038/004—Measuring scale thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/04—Flatness
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
The invention belongs to the technical field of aluminum foil production and manufacture, and discloses a cast-rolled plate type control device, which comprises: the device comprises a roller, a deflection roller, a spraying device and a control device, wherein the spraying device is arranged between the roller and the deflection roller and is used for spraying liquid nitrogen; the cast-rolling plate type control device also comprises a plate thickness and plate type monitoring device, wherein the plate thickness and plate type monitoring device comprises a thickness measuring unit, a data transmission unit and a data processing PC machine which are sequentially connected; and the thickness measuring unit is positioned behind the deflector roll and used for detecting the thicknesses of different transverse points of the cast-rolled plate and uploading the data to the data processing PC, and the PC draws the data into a plate type curve. Compared with the related art, the method has the following advantages: 1. the asymmetric plate type of the cast-rolled plate can be controlled; 2. cooling the cast-rolled plate, improving the surface quality and reducing the defects of center segregation or surface segregation and the like; 3. the dead time of the cast-rolled coil is reduced.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of aluminum foil production and manufacturing, and particularly relates to a cast-rolled plate type control device and method.
[ background of the invention ]
In the production process of the double-zero foil, the double-zero foil is produced by a common casting and rolling method, but the double-zero foil produced by the existing casting and rolling method is influenced by center segregation or surface segregation, so that the efficiency is difficult to improve; in the related art, chinese patent publication No. 201969854U entitled "nozzle jig with inert gas introducing function" discloses a nozzle jig with inert gas introducing function, and the introduced inert gas can effectively prevent secondary pollution and oxidation of molten aluminum. The Chinese patent publication No. CN1364672 cast-rolling plate type control device is named as 'a flow distribution control device for a fast-setting cast-rolling nozzle cavity', and discloses a flow distribution control device for cooperatively regulating and controlling the melt flow field, the temperature field, the solute concentration field and the strip blank quality. The related technology has the defects that 1, the asymmetric plate type cast-rolled plate cannot be adjusted; 2. the hot cast rolling plate is easy to be scratched by a deflection roller, a pinch roller and other roller gaps; 3. the surface of the hot cast-rolled plate is easy to oxidize; 4. the casting and rolling cooling strength is limited, the productivity is limited, and the defects of surface segregation, central segregation and the like are easy to occur; 5. the hot cast-rolled coil can be produced in the next procedure only by cooling after being off-line, and the stay time is long.
Therefore, there is a need to provide a new control device and method for a cast-rolling plate shape to solve the above-mentioned problems.
[ summary of the invention ]
The technical problem to be solved by the invention is to provide a cast-rolling plate type control device and method which are easy to process and good in service performance.
The invention discloses a cast-rolling plate type control device, which comprises:
a roller, a deflector roller and a spraying device;
the spraying device is arranged between the roller and the deflection roller;
the spraying device is used for spraying liquid nitrogen;
the cast-rolling plate type control device also comprises a plate thickness and plate type monitoring device, wherein the plate thickness and plate type monitoring device comprises a thickness measuring unit, a data transmission unit and a data processing PC machine which are sequentially connected; the thickness measuring unit is positioned behind the deflector roll and used for detecting the thickness of different transverse points of the cast-rolled plate, and the data are uploaded to the data processing PC through the data transmission unit and drawn into a plate-shaped curve by the data processing PC;
the thickness measuring unit comprises an X-ray emitting unit and a signal receiving unit which are opposite and arranged at intervals, and the signal receiving unit is connected with the data transmission unit;
the spraying device comprises a spraying execution device and a spraying control device;
the spraying execution device comprises a nozzle;
the spraying control device is used for controlling the temperature and the spraying amount of the liquid nitrogen sprayed by the nozzle;
and the data processing PC is connected with the spraying control device.
Preferably, the X-ray emission unit comprises a plurality of X-ray emission sources which are arranged in a line along the transverse direction of the cast-rolled plate.
Preferably, the number of the X-ray emitting sources is 12.
Preferably, 12 of said X-ray emitting sources are disposed equidistantly from each other.
Preferably, the nozzles comprise an upper nozzle and a lower nozzle which are oppositely and spaced apart.
Preferably, the upper nozzle and the lower nozzle have the same structure.
Preferably, the upper nozzle comprises a main channel, and a plurality of spray holes which are communicated with the main channel and are opposite to the cast-rolling plate.
Preferably, the number of the spray holes is more than or equal to 12.
Preferably, the number of the spray holes is 12, and the spray holes are arranged at equal intervals.
The invention also discloses a cast-rolling plate type control method, which utilizes the cast-rolling plate type control device and comprises the following steps:
after the cast-rolled plate goes out of the deflection guide roller, an X-ray transmitting unit in the thickness measuring unit transversely transmits X-rays to the cast-rolled plate at a plurality of points, after the X-rays penetrate through the cast-rolled plate, data are received by a signal receiving unit and are transmitted to a data processing PC through a data transmission unit, the data processing PC receives the data and calculates to obtain the thickness of different transverse positions and draws a curve, the data processing PC comprises a PLC (programmable logic controller), the PLC analyzes an ideal cast-rolled plate shape to analyze the data, and then the PLC sends an instruction to a spray control device, and the spray control device controls the spray temperature and the spray quantity of spray liquid nitrogen in an upper nozzle and a lower nozzle in the spray execution device; following the cast-rolling plate profile data, adjusting the injection temperature and the injection quantity of the injected liquid nitrogen according to the thicknesses of different points of the cast-rolling plate profile; the liquid nitrogen temperature at the place with the large thickness value of the cast-rolled plate is lower or the liquid nitrogen injection quantity is larger than that at the place with the small thickness value of the cast-rolled plate, the temperature of the cast-rolled plate affects the temperature of the aluminum liquid in the inner cavity of the corresponding casting nozzle, and the change of the temperature of the aluminum liquid causes the length change of the cast-rolled area, so that the thickness of different areas of the cast-rolled plate is affected, and the control of the cast-rolled plate is realized.
Compared with the related technology, the invention has the following beneficial effects and advantages: 1. the asymmetric plate type of the cast-rolled plate can be controlled; 2. cooling the cast-rolled plate, improving the surface quality and reducing the defects of center segregation or surface segregation and the like; 3. the dead time of the cast-rolled coil is reduced. The following technical effects can be realized: 1. the asymmetric plate casting and rolling plate type can be adjusted; 2. the cast rolling plate is rapidly cooled, the damage of the cast rolling roller systems such as a deflection roller, a pinch roller and the like to the surface of the cast rolling plate is reduced, and the surface quality is improved; 3. the natural oxidation of the surface of the cast-rolling plate is reduced; 4. the cast rolling cooling strength is increased, the defects of surface segregation or center segregation and the like are reduced, and the cast rolling capacity is improved; 5. the dead time of the lower coil of the cast-rolling coil is reduced, and the production period is shortened.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the overall structure of a cast-rolled plate type control device according to the present invention;
FIG. 2 is a schematic structural diagram of a plate thickness and plate shape monitoring device in the cast-rolling plate shape control device according to the present invention;
fig. 3 is a schematic structural diagram of a spraying device in the cast-rolling plate type control device according to the present invention.
In the figure:
the device comprises a spraying device 1, a plate thickness and plate shape monitoring device 2, a cast-rolled coil finished product 3, a cast-rolled plate 4, a spraying execution device 5, an X-ray transmitting unit 6, a signal receiving unit 7, a data transmission unit 8 and a data processing PC (personal computer) 9.
[ detailed description ] embodiments
In order that the invention may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Detailed description of the preferred embodiment 1
Referring to fig. 1 to 3, a cast-rolled plate type control apparatus includes: a roller, a deflector roller and a spraying device 1; the spraying device 1 is arranged between the roller and the deflection roller; the spraying device 1 is used for spraying liquid nitrogen; the cast-rolling plate type control device also comprises a plate thickness and plate type monitoring device 2, wherein the plate thickness and plate type monitoring device 2 comprises a thickness measuring unit, a data transmission unit 8 and a data processing PC (personal computer) 9 which are sequentially connected; the thickness measuring unit is positioned behind the deflection roller and used for detecting the thickness of different transverse points of the cast-rolled plate 4, the data are uploaded to the data processing PC machine 9 through the data transmission unit 8, and the data are drawn into a plate-shaped curve by the data processing PC machine 9; the thickness measuring unit comprises an X-ray emitting unit 6 and a signal receiving unit 7 which are opposite and arranged at intervals, and the signal receiving unit 7 is connected with a data transmission unit 8; the spraying device 1 comprises a spraying execution device 5 and a spraying control device; the spray executing device 5 comprises a nozzle; the spraying control device is used for controlling the temperature and the spraying amount of liquid nitrogen sprayed by the nozzle; the data processing PC 9 is connected with the spraying control device. The X-ray emission unit 6 includes a plurality of X-ray emission sources arranged side by side in a line in the lateral direction of the cast-rolled plate 4. The number of X-ray emitting sources is 12. The 12X-ray emission sources are arranged at equal intervals. The nozzle comprises an upper nozzle and a lower nozzle which are oppositely and alternately arranged. The upper nozzle and the lower nozzle have the same structure. The upper nozzle comprises a main channel and a plurality of spray holes which are communicated with the main channel and are opposite to the cast-rolling plate 4. The number of the spray holes is more than or equal to 12. The number of the jet holes is 12, and the jet holes are arranged at equal intervals.
Specific example 2
A cast-rolling plate type control method utilizes the cast-rolling plate type control device in embodiment 1 to control the cast-rolling plate type, and the cast-rolling plate type control method comprises the following steps: after the cast-rolled plate 4 goes out of the deflection guide roller, an X-ray emitting unit 6 in the thickness measuring unit emits X-rays to the cast-rolled plate 4 at a plurality of transverse points on the cast-rolled plate 4, after the X-rays penetrate through the cast-rolled plate 4, data are received by a signal receiving unit 7 and are transmitted to a data processing PC 9 through a data transmission unit 8, the data processing PC 9 receives the data and calculates to obtain thicknesses at different transverse positions through calculation to draw a curve, the data processing PC 9 comprises a PLC, the PLC analyzes an ideal cast-rolled plate shape to analyze the data, and then sends an instruction to a spray control device through the PLC, and the spray control device controls the spray temperature and the spray quantity of spray liquid nitrogen in an upper nozzle and a lower nozzle in the spray execution device 5; following the cast-rolling plate profile data, adjusting the injection temperature and the injection quantity of the injected liquid nitrogen according to the thicknesses of different points of the cast-rolling plate profile; the liquid nitrogen temperature at the position with the large thickness value of the cast-rolled plate 4 is lower or the liquid nitrogen injection amount is larger than that at the position with the small thickness value of the cast-rolled plate 4, the temperature of the cast-rolled plate 4 influences the temperature of the aluminum liquid in the inner cavity of the corresponding casting nozzle, and the change of the temperature of the aluminum liquid causes the length change of the cast-rolled area, so that the thickness of different areas of the cast-rolled plate 4 is influenced, and the control of the cast-rolled plate is realized.
Compared with the related technology, the invention has the following beneficial effects and advantages: 1. the asymmetric plate type of the cast-rolled plate can be controlled; 2. cooling the cast-rolled plate, improving the surface quality and reducing the defects of center segregation or surface segregation and the like; 3. the dead time of the cast-rolled coil is reduced. The following technical effects can be realized: 1. the asymmetric plate casting and rolling plate type can be adjusted; 2. the cast rolling plate is rapidly cooled, the damage of the cast rolling roller systems such as a deflection roller, a pinch roller and the like to the surface of the cast rolling plate is reduced, and the surface quality is improved; 3. the natural oxidation of the surface of the cast-rolling plate is reduced; 4. the cast rolling cooling strength is increased, the defects of surface segregation or center segregation and the like are reduced, and the cast rolling capacity is improved; 5. the dead time of the lower coil of the cast-rolling coil is reduced, and the production period is shortened.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A cast strip profile control apparatus, comprising:
a roller, a deflector roller and a spraying device;
the spraying device is arranged between the roller and the deflection roller;
the spraying device is used for spraying liquid nitrogen;
the cast-rolling plate type control device also comprises a plate thickness and plate type monitoring device, wherein the plate thickness and plate type monitoring device comprises a thickness measuring unit, a data transmission unit and a data processing PC machine which are sequentially connected; the thickness measuring unit is positioned behind the deflector roll and used for detecting the thickness of different transverse points of the cast-rolled plate, and the data are uploaded to the data processing PC through the data transmission unit and drawn into a plate-shaped curve by the data processing PC;
the thickness measuring unit comprises an X-ray emitting unit and a signal receiving unit which are opposite and arranged at intervals, and the signal receiving unit is connected with the data transmission unit;
the spraying device comprises a spraying execution device and a spraying control device; the spray execution device comprises a nozzle, and the nozzle comprises an upper nozzle and a lower nozzle which are oppositely arranged at an interval;
the spray control device is used for controlling the temperature and the injection quantity of liquid nitrogen injected by the nozzles, the spray control device is used for following the cast-rolling plate type data, and adjusting the injection temperature and the injection quantity of the liquid nitrogen injected by the upper nozzles and the lower nozzles in the spray execution device according to the thicknesses of different points of the cast-rolling plate type, so that the liquid nitrogen temperature of a place with a large thickness value of the cast-rolling plate is lower or the liquid nitrogen injection quantity of a place with a small thickness value of the cast-rolling plate is larger than that of a place with a large thickness value of the cast-rolling plate, the temperature of the cast-rolling plate influences the temperature of aluminum liquid in a corresponding casting nozzle cavity, and the length of a cast-rolling area at the place is changed due to the change of the temperature of the aluminum liquid;
and the data processing PC is connected with the spraying control device.
2. A cast rolling plate profile control device according to claim 1, wherein the X-ray emission unit comprises a plurality of X-ray emission sources arranged side by side in line along the transverse direction of the cast rolling plate.
3. A cast strip profile control apparatus as claimed in claim 2 wherein the number of X-ray emitting sources is 12.
4. A cast strip profile control apparatus as claimed in claim 3 wherein 12X-ray emitting sources are equally spaced.
5. A cast strip profile control apparatus as claimed in claim 1 wherein the upper and lower nozzles are of identical construction.
6. A cast rolling plate type control device as claimed in claim 5, wherein the upper nozzle comprises a main channel, and a plurality of spray holes are communicated with the main channel and are opposite to the cast rolling plate.
7. A cast-rolling plate type control device as claimed in claim 6, wherein the number of the spray holes is more than or equal to 12.
8. A cast rolling plate type control device according to claim 7, wherein the number of the spray holes is 12.
9. A cast rolling plate type control device as claimed in claim 8, wherein the spray holes are arranged equidistantly.
10. A cast-rolled plate profile control method, characterized in that the cast-rolled plate profile control device according to any one of the preceding claims 1 to 9 is used, and the cast-rolled plate profile control method comprises the following steps: after the cast-rolled plate goes out of the deflection guide roller, an X-ray transmitting unit in the thickness measuring unit transversely transmits X-rays to the cast-rolled plate at a plurality of points, after the X-rays penetrate through the cast-rolled plate, data are received by a signal receiving unit and are transmitted to a data processing PC through a data transmission unit, the data processing PC receives the data and calculates to obtain the thickness of different transverse positions and draws a curve, the data processing PC comprises a PLC (programmable logic controller), the PLC analyzes an ideal cast-rolled plate shape to analyze the data, and then the PLC sends an instruction to a spray control device, and the spray control device controls the spray temperature and the spray quantity of liquid nitrogen sprayed by an upper nozzle and a lower nozzle in the spray execution device; following the cast-rolling plate profile data, adjusting the injection temperature and the injection quantity of the injected liquid nitrogen according to the thicknesses of different points of the cast-rolling plate profile; the liquid nitrogen temperature at the place with the large thickness value of the cast-rolled plate is lower or the liquid nitrogen injection quantity is larger than that at the place with the small thickness value of the cast-rolled plate, the temperature of the cast-rolled plate affects the temperature of the aluminum liquid in the inner cavity of the corresponding casting nozzle, and the change of the temperature of the aluminum liquid causes the length change of the cast-rolled area, so that the thickness of different areas of the cast-rolled plate is affected, and the control of the cast-rolled plate is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082184.9A CN110090866B (en) | 2018-01-29 | 2018-01-29 | Cast-rolling plate type control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082184.9A CN110090866B (en) | 2018-01-29 | 2018-01-29 | Cast-rolling plate type control device and method |
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| Publication Number | Publication Date |
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| CN110090866A CN110090866A (en) | 2019-08-06 |
| CN110090866B true CN110090866B (en) | 2020-11-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58135710A (en) * | 1982-02-08 | 1983-08-12 | Hitachi Ltd | Learning controller of rolling mill |
| CN101780478A (en) * | 2009-01-21 | 2010-07-21 | 中冶赛迪工程技术股份有限公司 | Method and device for controlling strip shape and precision of hot rolling steel strips and plates |
| CN103302107A (en) * | 2012-03-05 | 2013-09-18 | 株式会社日立制作所 | Rolling control apparatus and a method for controlling rolling |
| CN106734201A (en) * | 2016-12-27 | 2017-05-31 | 中冶南方工程技术有限公司 | A kind of method that application continuous casting and rolling technique of sheet bar produces Thin Specs low-alloy high-strength steel |
-
2018
- 2018-01-29 CN CN201810082184.9A patent/CN110090866B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58135710A (en) * | 1982-02-08 | 1983-08-12 | Hitachi Ltd | Learning controller of rolling mill |
| CN101780478A (en) * | 2009-01-21 | 2010-07-21 | 中冶赛迪工程技术股份有限公司 | Method and device for controlling strip shape and precision of hot rolling steel strips and plates |
| CN103302107A (en) * | 2012-03-05 | 2013-09-18 | 株式会社日立制作所 | Rolling control apparatus and a method for controlling rolling |
| CN106734201A (en) * | 2016-12-27 | 2017-05-31 | 中冶南方工程技术有限公司 | A kind of method that application continuous casting and rolling technique of sheet bar produces Thin Specs low-alloy high-strength steel |
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| CN110090866A (en) | 2019-08-06 |
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