CN111672933A - Steel plate straightening method - Google Patents
Steel plate straightening method Download PDFInfo
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- CN111672933A CN111672933A CN202010686928.5A CN202010686928A CN111672933A CN 111672933 A CN111672933 A CN 111672933A CN 202010686928 A CN202010686928 A CN 202010686928A CN 111672933 A CN111672933 A CN 111672933A
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- 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
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Abstract
The application provides a steel plate straightening method, which comprises the following steps: judging whether the rolled steel plate is abnormal or not, if so, inputting steel plate parameters of the steel plate, calculating to obtain new straightening parameters according to the steel plate parameters, sending the new straightening parameters to the basic automatic control system, and controlling the straightening machine to straighten by the basic automatic control system according to the new straightening parameters. According to the straightening method and device, the steel plate parameters of the abnormal steel plate are calculated to obtain new straightening parameters, the straightening machine is controlled to straighten according to the new straightening parameters, the straightened abnormal steel plate is obtained, the shape of the steel plate is guaranteed, and the waste amount is reduced.
Description
Technical Field
The application relates to the technical field of metal material processing, in particular to a steel plate straightening method.
Background
In order to ensure the shape of the steel plate, the production line is provided with an online multi-roll straightener. In the production process, after the steel plate is rolled, the steel plate is conveyed to a straightening machine through a roller way to be straightened.
According to the traditional straightening method, a process automatic control system calculates parameters such as an inlet roll gap, an outlet roll gap, speed and the like of a proper straightening machine through a straightening model according to the detected temperature, steel type, specification and the like of a steel plate, and sends all the parameters to a basic automatic washing control system, the basic automatic control system presets straightening parameters and idle parameters of the straightening machine according to all the parameters, and when the rolling process of the steel plate is normal, the basic automatic control system straightens the rolled steel plate according to the straightening parameters.
However, the steel plate is easy to break down in the rolling process, which causes the steel plate to be abnormal. At the moment, the roll gap of the straightening machine is opened by the basic automatic control system according to the empty parameters, and the steel plate is not straightened any more, so that the steel plate is scrapped.
Disclosure of Invention
The application provides a steel plate straightening method, which aims to solve the technical problem that a steel plate is not straightened any more when the steel plate is abnormal.
A method of straightening a steel sheet comprising:
judging whether the rolled steel plate is abnormal or not;
if the steel plate is abnormal, inputting steel plate parameters of the steel plate, and calculating according to the steel plate parameters to obtain new straightening parameters;
and sending the new straightening parameters to a basic automation control system.
Optionally, the steel sheet parameters include steel type, steel sheet thickness, steel sheet width, and steel sheet temperature.
Optionally, the new straightening parameters comprise a new inlet roll gap, a new outlet roll gap and a new straightener speed of the straightener.
Optionally, calculating a new straightening parameter according to the steel plate parameter, including: and inputting the steel type, the thickness of the steel plate, the width of the steel plate and the temperature of the steel plate into a straightening model for calculation to obtain a new inlet roll gap, a new outlet roll gap and a new straightening machine speed of the straightening machine.
Optionally, before determining whether the rolled steel plate is abnormal, the method further includes: receiving straightening parameters of the straightening machine.
Optionally, if the steel plate is normal, the straightening parameters are sent to the basic automation control system.
Has the advantages that: the application provides a steel plate straightening method, which comprises the following steps: judging whether the rolled steel plate is abnormal or not, if so, inputting steel plate parameters of the steel plate, calculating to obtain new straightening parameters according to the steel plate parameters, sending the new straightening parameters to the basic automatic control system, and controlling the straightening machine to straighten by the basic automatic control system according to the new straightening parameters. According to the straightening method and device, the steel plate parameters of the abnormal steel plate are calculated to obtain new straightening parameters, the straightening machine is controlled to straighten according to the new straightening parameters, the straightened abnormal steel plate is obtained, the shape of the steel plate is guaranteed, and the waste amount is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a steel plate straightening method provided by an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a schematic flow chart of a steel plate straightening method provided by an embodiment of the application, and the method comprises the following steps:
s100: and judging whether the rolled steel plate is abnormal or not.
Before judging whether the rolled steel plate is abnormal or not, straightening parameters of a straightening machine are received. Wherein the straightening parameters comprise an inlet roll gap and an outlet roll gap of the straightening machine and the speed of the straightening machine.
The criterion of whether the steel sheet is abnormal is whether the rolled thickness of the steel sheet deviates from a target thickness value or whether the temperature of the steel sheet deviates from a target temperature value. Specifically, when the rolling thickness of the steel sheet is far from the target thickness value or the temperature of the steel sheet is far from the target temperature value, the steel sheet is abnormal. And when the rolling thickness of the steel plate deviates a small value from the target thickness or the temperature of the steel plate deviates a small value from the target temperature, the steel plate is normal.
S200: and if the steel plate is abnormal, inputting the steel plate parameters of the steel plate, and calculating according to the steel plate parameters to obtain new straightening parameters.
The steel plate parameters include steel type, steel plate thickness, steel plate width, and steel plate temperature.
The new straightening parameters comprise a new inlet roll gap, a new outlet roll gap and a new straightening machine speed of the straightening machine.
The new straightening parameter obtained by calculation according to the steel plate parameter comprises the following steps: and inputting the steel type, the thickness of the steel plate, the width of the steel plate and the steel plate parameters of the steel plate temperature lamp into a straightening model for calculation to obtain a new inlet roll gap, a new outlet roll gap and a new straightening machine speed of the straightening machine.
S300: and if the steel plate is normal, sending the straightening parameters to a basic automatic control system.
And when the steel plate is normal, the straightening parameters are sent to the basic automatic control system. And the basic automatic control system controls the straightening of the straightening machine according to the straightening parameters.
S400: and sending the new straightening parameters to a basic automation control system.
And when the steel plate is abnormal, sending the new straightening parameters to the basic automatic control system. And the basic automatic control system controls the straightening of the straightening machine according to the new straightening parameters.
In the application, when the steel plate is normal, the straightening machine is controlled to straighten by utilizing straightening parameters; and when the steel plate is abnormal, controlling the straightening of the straightening machine by using the new straightening parameters. Wherein the new straightening parameters are obtained by calculating the steel plate parameters of the abnormal steel plate through a straightening model. This can make no matter normal or unusual steel sheet can carry out the straightening, has guaranteed the steel sheet type, has reduced the waste product volume.
The application provides a steel plate straightening method, which comprises the following steps: judging whether the rolled steel plate is abnormal or not, if so, inputting steel plate parameters of the steel plate, calculating to obtain new straightening parameters according to the steel plate parameters, sending the new straightening parameters to the basic automatic control system, and controlling the straightening machine to straighten by the basic automatic control system according to the new straightening parameters. According to the straightening method and device, the steel plate parameters of the abnormal steel plate are calculated to obtain new straightening parameters, the straightening machine is controlled to straighten according to the new straightening parameters, the straightened abnormal steel plate is obtained, the shape of the steel plate is guaranteed, and the waste amount is reduced.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A method of straightening a steel sheet, comprising:
judging whether the rolled steel plate is abnormal or not;
if the steel plate is abnormal, inputting steel plate parameters of the steel plate, and calculating according to the steel plate parameters to obtain new straightening parameters;
and sending the new straightening parameters to a basic automation control system.
2. Straightening method according to claim 1, characterized in that the steel sheet parameters include steel type, steel sheet thickness, steel sheet width and steel sheet temperature.
3. Straightening method according to claim 2, characterized in that the new straightening parameters comprise the new entry gap of the straightener, the new exit gap of the straightener and the new straightener speed.
4. Straightening method according to claim 3, characterized in that said calculation of new straightening parameters from the parameters of the steel sheet comprises:
and inputting the steel type, the thickness of the steel plate, the width of the steel plate and the temperature of the steel plate into a straightening model for calculation to obtain a new inlet roll gap, a new outlet roll gap and a new straightening machine speed of the straightening machine.
5. The straightening method according to claim 1, wherein before judging whether the rolled steel sheet is abnormal, the method further comprises:
receiving straightening parameters of the straightening machine.
6. Straightening method according to claim 5, characterized in that the straightening parameters are sent to the basic automation control system if the steel sheet is normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686928.5A CN111672933A (en) | 2020-07-16 | 2020-07-16 | Steel plate straightening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686928.5A CN111672933A (en) | 2020-07-16 | 2020-07-16 | Steel plate straightening method |
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| CN111672933A true CN111672933A (en) | 2020-09-18 |
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| CN202010686928.5A Pending CN111672933A (en) | 2020-07-16 | 2020-07-16 | Steel plate straightening method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042778A (en) * | 2021-11-02 | 2022-02-15 | 山东钢铁集团日照有限公司 | Hot straightening process for thin and wide super-high-strength steel plate |
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| CN102455662A (en) * | 2010-10-26 | 2012-05-16 | 宝山钢铁股份有限公司 | Optimized setting method and system for straightening parameters of hot rolled strip straightener |
| CN102500658A (en) * | 2011-11-07 | 2012-06-20 | 秦皇岛首秦金属材料有限公司 | Hot straightening method for controlling shape of extra-thick plate |
| CN102699144A (en) * | 2012-05-15 | 2012-10-03 | 北京首钢自动化信息技术有限公司 | Method for straightening seriously warped steel plate |
| CN102974623A (en) * | 2012-12-05 | 2013-03-20 | 南京钢铁股份有限公司 | Pre-straightening method for realizing plate shape control on medium and thick plates |
| CN106607474A (en) * | 2015-10-26 | 2017-05-03 | 宝山钢铁股份有限公司 | Swing control method for steel plate in front of straightening machine |
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2020
- 2020-07-16 CN CN202010686928.5A patent/CN111672933A/en active Pending
Patent Citations (5)
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| CN102455662A (en) * | 2010-10-26 | 2012-05-16 | 宝山钢铁股份有限公司 | Optimized setting method and system for straightening parameters of hot rolled strip straightener |
| CN102500658A (en) * | 2011-11-07 | 2012-06-20 | 秦皇岛首秦金属材料有限公司 | Hot straightening method for controlling shape of extra-thick plate |
| CN102699144A (en) * | 2012-05-15 | 2012-10-03 | 北京首钢自动化信息技术有限公司 | Method for straightening seriously warped steel plate |
| CN102974623A (en) * | 2012-12-05 | 2013-03-20 | 南京钢铁股份有限公司 | Pre-straightening method for realizing plate shape control on medium and thick plates |
| CN106607474A (en) * | 2015-10-26 | 2017-05-03 | 宝山钢铁股份有限公司 | Swing control method for steel plate in front of straightening machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042778A (en) * | 2021-11-02 | 2022-02-15 | 山东钢铁集团日照有限公司 | Hot straightening process for thin and wide super-high-strength steel plate |
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Application publication date: 20200918 |