CN114985473A - Configuration method and device for hot-rolled multi-roll shape - Google Patents
Configuration method and device for hot-rolled multi-roll shape Download PDFInfo
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- CN114985473A CN114985473A CN202210504732.9A CN202210504732A CN114985473A CN 114985473 A CN114985473 A CN 114985473A CN 202210504732 A CN202210504732 A CN 202210504732A CN 114985473 A CN114985473 A CN 114985473A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 238000005098 hot rolling Methods 0.000 claims abstract description 6
- 238000004364 calculation method Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
-
- 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
-
- 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
- B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls
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- Engineering & Computer Science (AREA)
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Abstract
The application relates to the technical field of automatic hot rolling control, and discloses a configuration method and device for hot rolling multiple roll types. The method comprises the following steps: acquiring a plurality of rollers and identifying roller type codes corresponding to the rollers; according to the roll type codes corresponding to the multiple rolls, listing the multiple rolls into multiple roll shifting strategies; calculating the roll shifting step length corresponding to the roll in each roll shifting strategy; and controlling the corresponding roll shifting strategy to shift the roll according to the roll shifting step length. The method and the device realize the small convexity control requirements of different products, realize the technical application of one-time roll changing and overlong rolling mileage, and obviously improve the product plate shape control and production efficiency.
Description
Technical Field
The application relates to the technical field of automatic hot rolling control, in particular to a configuration method and device for hot rolling multiple roll shapes.
Background
With the further improvement of the requirement of hot rolled products on the plate shape quality, the high-efficiency production of high-quality products is the target pursued by hot rolled plate shape control, and the basis of the hot rolled plate shape control is the roll shape and the corresponding automatic control technology.
In order to achieve the aim, different roll shapes are required to be designed according to the quality requirements and different rolling process requirements of different products, and the convexity control precision of the products and the rolling mileage are improved through the roll shifting technology of the corresponding roll shapes.
Disclosure of Invention
The application aims to provide a hot-rolling multi-roll configuration method and device, so that the convexity control precision and the rolling mileage are improved.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to an aspect of an embodiment of the present application, there is provided a hot rolled multi-roll type configuration method including: acquiring a plurality of rollers and identifying roller type codes corresponding to the rollers; according to the roll type codes corresponding to the multiple rolls, listing the multiple rolls into multiple roll shifting strategies; calculating the roll shifting step length corresponding to the roll in each roll shifting strategy; and controlling the corresponding roll shifting strategy to shift the roll according to the roll shifting step length.
According to some embodiments of the present application, before acquiring a plurality of mill rolls and identifying corresponding roll type codes of the plurality of mill rolls, further comprising: and acquiring a roller, determining a roller shape corresponding to one of the roller shape codes according to the roller, and grinding the roller into the roller shape corresponding to the roller shape code.
According to some embodiments of the present application, the roll type code comprises 10 different roll type codes, the 10 different roll type codes are divided into 3 different roll shifting strategies.
According to some embodiments of the present application, the roll-shifting strategy comprises an L-shape roll-shifting step calculation comprising: the roll shifting step length is equal to the roll shifting coefficient (the last steel roll wear amount-the current steel roll wear amount).
According to some embodiments of the present application, the roll-shifting strategy comprises a parabolic roll-type roll-shifting step calculation comprising: the roll shifting step length is a fixed roll shifting step length calculated according to the rolling quantity.
According to some embodiments of the present application, the roll-shifting strategy comprises a plurality of curvilinear roll-type roll-shifting step calculations, the plurality of curvilinear roll-type roll-shifting step calculations comprising: the roll shifting step length is calculated according to the convexity of the strip steel.
According to an aspect of an embodiment of the present application, there is provided an apparatus for configuring a hot rolled multi-roll type, the apparatus including: the code identification module is used for acquiring a plurality of rollers and identifying roller type codes corresponding to the rollers; the roll shifting strategy classification module is used for listing the plurality of rollers into a plurality of roll shifting strategies according to the roller type codes corresponding to the plurality of rollers; the roll shifting step length calculation module is used for calculating the roll shifting step length corresponding to the roll in each roll shifting strategy; and the roll shifting execution module is used for controlling the roll in the corresponding roll shifting strategy to shift the roll according to the roll shifting step length.
According to some embodiments of the present application, the roll-over strategy comprises: the L-shape roll shifting module is used for calculating the L-shape roll shifting step length, and the L-shape roll shifting step length calculation comprises the following steps: the roll shifting step length is equal to the roll shifting coefficient (the last steel roll wear amount-the current steel roll wear amount).
According to some embodiments of the present application, the roll-over strategy further comprises: the roller shifting module of the parabolic roller type is used for calculating the step length of the parabolic roller type, and the step length calculation of the parabolic roller type comprises the following steps: the roll shifting step length is a fixed roll shifting step length calculated according to the rolling quantity.
According to some embodiments of the present application, the roll-over strategy comprises: the multiple-time curve roller type shifting module is used for multiple-time curve roller type shifting step length calculation, and the multiple-time curve roller type shifting step length calculation comprises the following steps: and the roll shifting step length is calculated according to the convexity of the strip steel.
By the technical scheme of this application more than, compare with prior art, its beneficial effect that is showing lies in: the method realizes the small convexity control requirements of different products, improves the convexity control precision, realizes the technical application of once roll changing over-long rolling mileage, and obviously improves the product plate shape control and production efficiency.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The above and other features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 shows a flow diagram according to an embodiment of the present application;
FIG. 2 shows a schematic view of a roll-shifting apparatus of a mill roll according to one embodiment of the present application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the subject matter of the present application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the application.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
According to some embodiments, as shown in fig. 1, the present application provides a method of configuring a hot rolled multi-roll form, the method comprising:
102, listing the plurality of rollers into a plurality of roller shifting strategies according to the roller type codes corresponding to the plurality of rollers;
103, calculating a roll shifting step length corresponding to the roll in each roll shifting strategy;
and 104, controlling the roll shifting of the roll in the corresponding roll shifting strategy according to the roll shifting step length.
Based on the above embodiment, the roll type codes include 10 different roll type codes, and the 10 different roll type codes are divided into 3 different roll shifting strategies. In some embodiments, 10 different roll types may be supported for simultaneous processing. Step 102, arranging the rollers into 3 roller shifting strategies according to 10 roller type codes, and installing the rollers on a machine table, wherein one roller shifting strategy comprises a plurality of rollers with different roller type codes; step 103, calculating a roll shifting step length corresponding to each roll shifting strategy, wherein each roll shifting strategy has a calculation mode of one roll shifting step length; in step 104, dividing 10 roll type codes into 3 categories, wherein each category corresponds to a roll shifting strategy, recording the roll shifting strategy of each type of roll type code into a system, and controlling the corresponding roll to roll shift according to the calculated roll shifting step length when rolling strip steel.
Further, the roll shifting strategy comprises calculation of L-shape roll shifting step length, and the calculation of the L-shape roll shifting step length comprises the following steps: the roll shifting step length is equal to the roll shifting coefficient (the last steel roll wear amount-the current steel roll wear amount). The L-shape roller type comprises:
name of roller type: L-SHAPE 1; the roller type: a third class; roll type code: 3; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE 2; the roller type: a third class; roll type code: 4; the convexity value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE; the roll type: a third class; roll type code: 5; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: and actually sending the taper angle length + the taper angle depth + the theoretical convexity.
Name of roller type: L-SHAPE 4-WID; the roller type: a third class; roll type code: 6; the convexity value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE 5-WID; the roll type: a third class; roll type code: 7; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE 6-WID; the roller type: a third class; roll type code: 8; the convexity value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: SPARE; the roller type: a third class; roll type code: 9; the convexity value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Further, the roll shifting strategy comprises a parabolic roll shifting step calculation, and the parabolic roll shifting step calculation comprises: the roll shifting step length is a fixed roll shifting step length calculated according to the rolling quantity. The parabolic roller type includes:
name of roller type: PARAB; the roller type: a first type; roll type code: 0; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: and actually issuing roll shape curves of a parabola, a Sin roll and a flat roll.
Further, the roll shifting strategy comprises a plurality of times of curve roll type roll shifting step length calculation, and the plurality of times of curve roll type roll shifting step length calculation comprises the following steps: and the roll shifting step length is calculated according to the convexity of the strip steel. The multiple curve roller type comprises:
name of roller type: CVC 1; the roller type: a second class; roll type code: 1; the crown value should be transmitted: 0; roll shape parameters: and actually issuing curves for multiple times.
Name of roller type: CVC 2; the roller type: a second class; roll type code: 2; the crown value should be transmitted: 0; roll shape parameters: multiple curves are actually issued.
According to different actual production requirements, the roll-to-roll system carries out parameter and coding maintenance on the to-be-loaded rolls, roll type codes and parameters are input into the rolling mill control system through the roll-to-roll system, and meanwhile the rolling control system searches for a corresponding roll shifting strategy according to the codes to guide production. The method realizes the small convexity control requirements of different products, realizes the technical application of once roll changing and overlong rolling mileage, and obviously improves the product plate shape control and production efficiency.
According to some embodiments, before acquiring a plurality of mill rolls and identifying corresponding roll type codes of the plurality of mill rolls, further comprising: and acquiring a roller, determining a roller shape corresponding to one of the roller shape codes according to the roller, and grinding the roller into the roller shape corresponding to the roller shape code.
Embodiments of the apparatus of the present application are described below that may be used to perform the roll shifting method of the mill roll in the above-described embodiments of the present application.
According to some embodiments, FIG. 2 shows a schematic view of a roll-shifting apparatus 200 for a mill roll in one embodiment of the present application, comprising: the code identification module 201 is used for acquiring a plurality of rolling rollers and identifying roller type codes corresponding to the plurality of rolling rollers; the roll shifting strategy classification module 202 is used for listing the plurality of rolling rolls into a plurality of roll shifting strategies according to the roll type codes corresponding to the plurality of rolling rolls; the roll shifting step length calculating module 203 is used for calculating the roll shifting step length corresponding to the roll in each roll shifting strategy; and the roll shifting execution module 204 is used for controlling the roll shifting of the roll in the corresponding roll shifting strategy according to the roll shifting step length.
Based on the above embodiment, the roll type codes include 10 different roll type codes, and the 10 different roll type codes are divided into 3 different roll shifting strategies. In some embodiments, 10 different roll types may be supported for simultaneous processing. In the roll shifting strategy classification module 202, the rollers are arranged in 3 roll shifting strategies according to 10 roll type codes and are installed on a machine table, and one roll shifting strategy is provided with a plurality of rollers with different roll type codes; in the roll shifting step length calculation module 203, the roll shifting step length corresponding to each roll shifting strategy is calculated, and one roll shifting strategy has a calculation mode of one roll shifting step length; in the roll shifting execution module 204, 10 roll type codes are divided into 3 categories, each category corresponds to a roll shifting strategy, the roll shifting strategies of each type of roll type codes are recorded into a system, and when strip steel is rolled, corresponding rolls are controlled according to the calculated roll shifting step length to carry out roll shifting rolling.
Further, the roll shifting device comprises an L-shape roll shifting module used for calculating the roll shifting step length of the L-shape roll, wherein the calculation of the roll shifting step length of the L-shape roll comprises the following steps: the roll shifting step length is equal to the roll shifting coefficient (the last steel roll wear amount-the current steel roll wear amount). The L-shape roller type comprises:
name of roller type: L-SHAPE 1; the roll type: a third class; roll type code: 3; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE 2; the roller type: a third class; roll type code: 4; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE; the roller type: a third class; roll type code: 5; the convexity value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE 4-WID; the roller type: a third class; roll type code: 6; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE 5-WID; the roller type: a third class; roll type code: 7; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Name of roller type: L-SHAPE 6-WID; the roller type: a third class; roll type code: 8; the convexity value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: and actually sending the taper angle length + the taper angle depth + the theoretical convexity.
Name of roller type: SPARE; the roller type: a third class; roll type code: 9; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: actually issuing the taper angle length + taper angle depth + theoretical convexity.
Further, the method comprises a parabolic roll type roll shifting module used for calculating the parabolic roll type roll shifting step length, wherein the parabolic roll type roll shifting step length calculation comprises the following steps: the roll shifting step length is a fixed roll shifting step length calculated according to the rolling quantity.
The parabolic roller type includes:
name of roller type: PARAB; the roller type: a first type; roll type code: 0; the crown value should be transmitted: calculating theoretical convexity according to actual requirements; roll shape parameters: and actually issuing roll shape curves of a parabola, a Sin roll and a flat roll.
Further, the method comprises a multiple-time curve roller type shifting module used for multiple-time curve roller type shifting step length calculation, wherein the multiple-time curve roller type shifting step length calculation comprises the following steps: the roll shifting step length is calculated according to the convexity of the strip steel.
The multiple curve roller type comprises:
name of roller type: CVC 1; the roller type: a second class; roll type code: 1; the crown value should be transmitted: 0; roll shape parameters: and actually issuing curves for multiple times.
Name of roller type: CVC 2; the roll type: a second class; roll type code: 2; the crown value should be transmitted: 0; roll shape parameters: and actually issuing curves for multiple times.
According to different actual production requirements, the roll-to-roll system performs parameter and coding maintenance on the to-be-loaded rolls, the roll type codes and the parameters are input into the rolling mill control system through the roll-to-roll system, and meanwhile, the rolling control system searches for a corresponding roll shifting strategy according to the codes to guide production. The method realizes the small convexity control requirements of different products, realizes the technical application of once roll changing and overlong rolling mileage, and obviously improves the product plate shape control and production efficiency.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A method of configuring a hot rolled multi-roll form, the method comprising:
acquiring a plurality of rollers and identifying roller type codes corresponding to the rollers;
according to the roll type codes corresponding to the multiple rolls, listing the multiple rolls into multiple roll shifting strategies;
calculating the roll shifting step length corresponding to the roll in each roll shifting strategy;
and controlling the corresponding roll shifting strategy to shift the roll according to the roll shifting step length.
2. The method of claim 1, further comprising, prior to obtaining a plurality of mill rolls and identifying corresponding roll type codes for the plurality of mill rolls:
and acquiring a roller, determining a roller shape corresponding to one of the roller shape codes according to the roller, and grinding the roller into the roller shape corresponding to the roller shape code.
3. The method of claim 1, wherein the roll type code comprises 10 different roll type codes, and wherein the 10 different roll type codes are divided into 3 different roll shifting strategies.
4. The method of claim 1, wherein the roll-shifting strategy comprises an L-shape roll-shifting step calculation comprising:
the roll shifting step length is equal to the roll shifting coefficient (the last steel roll wear amount-the current steel roll wear amount).
5. The method of claim 1, wherein the roll-shifting strategy comprises a parabolic roll-shifting step calculation comprising:
the roll shifting step length is a fixed roll shifting step length calculated according to the rolling quantity.
6. The method of claim 1, wherein the roll-over strategy comprises a plurality of curvilinear roll-over step size calculations comprising:
and the roll shifting step length is calculated according to the convexity of the strip steel.
7. An apparatus for hot rolling a multi-roll form, the apparatus comprising:
the code identification module is used for acquiring a plurality of rollers and identifying roller type codes corresponding to the rollers;
the roll shifting strategy classification module is used for listing the plurality of rollers into a plurality of roll shifting strategies according to the roller type codes corresponding to the plurality of rollers;
the roll shifting step length calculation module is used for calculating the roll shifting step length corresponding to the roll in each roll shifting strategy;
and the roll shifting execution module is used for controlling the roll in the corresponding roll shifting strategy to shift the roll according to the roll shifting step length.
8. The apparatus of claim 7, wherein the roll-over strategy comprises: the L-shape roll shifting module is used for calculating the L-shape roll shifting step length, and the calculation of the L-shape roll shifting step length comprises the following steps:
the roll shifting step length is equal to the roll shifting coefficient (the last steel roll wear amount-the current steel roll wear amount).
9. The apparatus of claim 7, wherein the roll-over strategy further comprises: the roller shifting module of the parabolic roller type is used for calculating the step length of the parabolic roller type, and the step length calculation of the parabolic roller type comprises the following steps:
the roll shifting step length is a fixed roll shifting step length calculated according to the rolling quantity.
10. The apparatus of claim 7, wherein the roll-over strategy comprises: the multiple-time curve roller type shifting module is used for multiple-time curve roller type shifting step length calculation, and the multiple-time curve roller type shifting step length calculation comprises the following steps:
the roll shifting step length is calculated according to the convexity of the strip steel.
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| CN202210504732.9A CN114985473A (en) | 2022-05-10 | 2022-05-10 | Configuration method and device for hot-rolled multi-roll shape |
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| CN202210504732.9A CN114985473A (en) | 2022-05-10 | 2022-05-10 | Configuration method and device for hot-rolled multi-roll shape |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117505551A (en) * | 2023-09-05 | 2024-02-06 | 江苏广兴丰茂科技有限公司 | Workpiece quality control method and system for deformed steel continuous rolling process |
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