CN112658039A - Automatic control system and control method for bar rolling line - Google Patents
Automatic control system and control method for bar rolling line Download PDFInfo
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- CN112658039A CN112658039A CN202011349009.5A CN202011349009A CN112658039A CN 112658039 A CN112658039 A CN 112658039A CN 202011349009 A CN202011349009 A CN 202011349009A CN 112658039 A CN112658039 A CN 112658039A
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Abstract
The invention discloses a bar rolling line automatic control system and a control method, comprising an automatic controller and a plurality of bar rolling mills, wherein the automatic controller comprises a rolling mill transmission module and a control module; then, calculating by using a pre-stored control model and the preprocessed data, and transmitting and monitoring an output adjusting signal; and finally, controlling the corresponding bar mill to work or sending out early warning information according to the adjusting signal, automatically selecting the corresponding bar mill to work, and simultaneously supervising the working process to improve the production efficiency.
Description
Technical Field
The invention relates to the technical field of metallurgical industrial production, in particular to a bar rolling line automatic control system and a bar rolling line automatic control method.
Background
As is well known, steel production plays a very important role in national economy, and the degree of automation of the metallurgical industry is an important mark for measuring the national industrial level. In the total production of steel, except for part of production and processing by casting, forging and the like, more than 95% of the total production of steel is subjected to different rolling links. Therefore, the key to improving the total yield of steel products is to improve the production efficiency of the rolling process in the bar rolling line, and the existing rolling process in the bar rolling line still adopts manual operation, so that the working efficiency is low.
Disclosure of Invention
The invention aims to provide an automatic control system and a control method for a bar rolling line, which improve the working efficiency.
In order to achieve the above object, in a first aspect, the present invention provides an automatic control system for a bar rolling line, the automatic control system for a bar rolling line comprises an automatic controller and a plurality of bar rolling mills, the plurality of bar rolling mills are connected with the automatic controller, the automatic controller comprises a rolling mill transmission module and a control module, and the rolling mill transmission module is connected with the control module;
the automatic controller is used for processing and judging data by utilizing a pre-stored control model according to the production data of the current rolling line;
the bar mill is used for carrying out corresponding operation according to the control signal of the automatic controller;
the rolling mill transmission module is used for acquiring current rolling line data and acquiring the position and the image of the corresponding bar;
and the control module is used for processing data by utilizing a pre-stored control model and judging whether to adjust.
The automatic controller also comprises an execution module, and the execution module is connected with the control module;
and the execution module is used for controlling the corresponding bar mill to adjust according to the output data of the control module.
The control module comprises a hot saw PLC unit and a judging unit, the hot saw PLC unit is connected with the rolling mill transmission module, and the judging unit is connected with the hot saw PLC unit;
the hot saw PLC unit is used for performing data calculation on the acquired data by utilizing a pre-stored control model;
and the judging unit is used for selecting the corresponding bar mill to work according to the calculation result of the hot saw PLC unit.
The control module further comprises a data preprocessing unit, and the data preprocessing unit is connected with the rolling mill transmission module and the hot saw PLC unit;
and the data processing unit is used for preprocessing the acquired corresponding rod position and image and establishing a corresponding processing model at the same time.
The control module further comprises a monitoring unit, and the monitoring unit is connected with the judging unit and the execution module;
and the monitoring unit is used for monitoring and transmitting the data transmission process between the judging unit and the execution module.
The automatic controller also comprises an early warning module, and the early warning module is connected with the monitoring unit;
and the early warning module is used for controlling the bar mill to stop and repeat the mill operation and sending out early warning information according to the monitoring result of the monitoring unit.
In a second aspect, the present invention provides an automatic control method for a rolling line of a rod, where the automatic control system for a rolling line of a rod according to the first aspect is suitable for an automatic control method for a rolling line of a rod, and includes the following steps:
acquiring current rolling line data and corresponding bar positions, and preprocessing all the data;
calculating by using a pre-stored control model and the preprocessed data, and transmitting and monitoring an output adjusting signal;
and controlling the corresponding bar mill to work or send out early warning information according to the adjusting signal.
The invention relates to a bar rolling line automatic control system and a control method, which comprises an automatic controller and a plurality of bar rolling mills, wherein the automatic controller comprises a rolling mill transmission module and a control module; then, calculating by using a pre-stored control model and the preprocessed data, and transmitting and monitoring an output adjusting signal; and finally, controlling the corresponding bar mill to work or sending out early warning information according to the adjusting signal, automatically selecting the corresponding bar mill to work, and simultaneously supervising the working process to improve the production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automatic control system for a rod rolling line provided by the present invention.
Fig. 2 is a schematic structural diagram of a control module provided by the present invention.
Fig. 3 is a schematic structural diagram of an automatic control method for a rod rolling line according to the present invention.
The system comprises an automatic controller, a bar rolling machine 2, a rolling machine transmission module 11, a control module 12, an execution module 13, a communication module 14, an editable control module 15, a hot saw PLC unit 121, a judgment unit 122, a data preprocessing unit 123, a monitoring unit 124 and an early warning module 16.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, the present invention provides an automatic control system for a rod rolling line, the automatic control system for a rod rolling line includes an automatic controller and a plurality of rod rolling mills 2, the plurality of rod rolling mills 2 are connected to the automatic controller, the automatic controller includes a rolling mill transmission module 11 and a control module 12, and the rolling mill transmission module 11 is connected to the control module 12;
the automatic controller 1 is used for processing and judging data by utilizing a prestored control model according to the production data of the current rolling line;
the bar mill 2 is used for carrying out corresponding operation according to the control signal of the automatic controller 1;
the rolling mill transmission module 11 is used for acquiring current rolling line data and acquiring the position and the image of the corresponding bar;
and the control module 12 is configured to perform data processing by using a pre-stored control model and determine whether to perform adjustment.
In the present embodiment, first, data is collected by a sensor in the rolling mill transmission module 11, where the sensor includes one or more of an inclination sensor, a rotary encoder, a position sensor, a distance measuring sensor, a temperature sensor or a high pressure sensor, and the sensor is used to collect data such as transmission speed, temperature, angle, etc. of the main rolling mill transmission unit; the method comprises the steps that current rolling line data and corresponding rod positions are obtained, wherein the obtained data comprise current rolling line production data, rod positions, materials and the like, the current production data can know which corresponding rolling line works, the corresponding rod rolling mill 2 is driven to receive the corresponding rod to work conveniently according to the corresponding rod positions and materials, meanwhile, the corresponding reaching time is calculated according to the current position, and the rod rolling mill 2 is started conveniently; preprocessing all data, for example, converting the corresponding data into the same format or fusing the data; establishing a corresponding adjusting model according to the acquired data to rapidly classify and process the data; secondly, calculating by using a prestored control model and the preprocessed data, and transmitting and monitoring an output adjusting signal, namely judging to which corresponding bar mill 2 the current bar is transmitted to for rolling according to the adjusting signal calculated by the control module 12, and meanwhile, monitoring the whole transmission process in order to ensure the accuracy of data transmission, so as to avoid the influence on normal production caused by the operation of the bar mill 2 with control error; finally, controlling the corresponding bar mill 2 to work or send out early warning information according to the adjusting signal, namely, if the adjusting signal is transmitted to the normal corresponding bar mill 2, the bar mill 2 carries out normal production, if the signal is transmitted in error, the bar mill 2 receiving the error signal sends out early warning information, if an indicator light flickers, and the like; the bar mill 2 can be automatically selected to work, and the working process can be supervised, so that the production efficiency is improved
Further, the automation controller 1 further comprises an execution module 13, and the execution module 13 is connected with the control module 12;
and the execution module 13 is configured to control the corresponding bar mill 2 to adjust according to the output data of the control module 12.
In the present embodiment, after the control module 12 outputs the corresponding adjustment signal, the execution module 13 drives the corresponding bar rolling mill 2 to receive the adjustment signal to perform work, so as to reduce labor cost and improve work efficiency.
Further, the automation controller 1 further comprises a communication module 14, wherein the communication module 14 is connected with the control module 12 and the rolling mill transmission module 11;
the communication module 14 is used for remote transmission of all data of the control module 12 and the rolling mill transmission module 11 and receiving external regulation input.
In the present embodiment, in order to increase flexibility of the system and facilitate a technician to know production conditions in time, the communication module 14 is added to remotely transmit all operation data and results in the system to a corresponding interface, and meanwhile, the technician can edit and change the system to implement transmission and installation.
Further, the automation controller 1 further comprises an editable control module 15, and the editable control module 15 is connected with the communication module 14 and the rolling mill transmission module 11;
the editable control module 15 is configured to edit the rolling mill transmission module 11 according to the external adjustment signal received by the communication module 14.
In this embodiment, when the communication module 14 receives a program input by an external technician, the editable control module 15 replaces or changes an existing program in the system, so as to update the system conveniently, increase flexibility of the system, and improve work efficiency.
Further, the control module 12 includes a hot saw PLC unit 121 and a determination unit 122, the hot saw PLC unit 121 is connected to the rolling mill transmission module 11, and the determination unit 122 is connected to the hot saw PLC unit 121;
the hot saw PLC unit 121 is configured to perform data calculation on the acquired data by using a pre-stored control model;
and the judging unit 122 is configured to select the corresponding bar mill 2 to work according to the calculation result of the hot saw PLC unit 121.
In the present embodiment, the collected data are transmitted to the control module 12 connected to the rolling mill drive module 11 via a DP bus, and the control module 12 analyzes the data and sends out an adjustment signal. Wherein, the control unit is provided with a hot saw PLC unit 121 and a judgment unit 122, the hot saw PLC unit 121 comprises a plurality of power distribution cabinets and a CPU module, each power distribution cabinet is internally provided with a PLC and a power supply module, the judgment unit 122 and the plurality of PLCs are in a cascade mode of DP bus transmission, wherein, a sensor in a main mill transmission unit transmits test data to the hot saw PLC unit 121, the hot saw PLC unit 121 controls an adjustment module to process and operate collected data according to a pre-stored standard control model, transmits the data obtained by the plurality of PLCs to the CPU for unified integration, outputs the collected data of the sensor and an adjustment operation result to the judgment unit 122, judges whether to perform adjustment operation according to the received collected data and the adjustment operation result, and generates an operation confirmation signal when related adjustment operation is required, and feeds back to the execution module 13, and the execution module 13 executes related operations on the main rolling mill, so that one automatic control and adjustment operation is completed.
Further, the control module 12 further comprises a data preprocessing unit 123, and the data preprocessing unit 123 is connected with the rolling mill transmission module 11 and the hot saw PLC unit 121;
and the data processing unit is used for preprocessing the acquired corresponding rod position and image and establishing a corresponding processing model at the same time.
In this embodiment, after the rolling mill transmission module 11 acquires a plurality of data, the data preprocessing unit 123 is used to preprocess the data, such as data removal and data fusion, and meanwhile, a corresponding model can be established according to the relation between all the acquired data and the corresponding bar rolling mill 2, so that after the corresponding data is received next time, a corresponding adjusting signal can be directly sent out for control, the signal calculation time is reduced, and the work efficiency is improved.
Further, the control module 12 further includes a monitoring unit 124, and the monitoring unit 124 is connected to the judging unit 122 and the executing module 13;
the monitoring unit 124 is configured to monitor and transmit a data transmission process between the determining unit 122 and the executing module 13.
In the present embodiment, in order to ensure the accuracy of the data transmission process and prevent the external intrusion signal from tampering with the signal, the monitoring unit 124 is added to monitor the transmission process, and all data is transmitted through the monitoring unit 124.
Further, the automation controller 1 further includes an early warning module 16, and the early warning module 16 is connected to the monitoring unit 124;
the early warning module 16 is configured to control the bar mill 2 to perform a stop and recovery operation and send out early warning information according to the monitoring result of the monitoring unit 124.
In this embodiment, when the adjustment signal does not correspond to the corresponding bar rolling mill 2, the early warning module 16 may control the bar rolling mill 2 to stop working, and simultaneously may drive the bar rolling mill 2 to perform early warning, such as corresponding indication light early warning, or transmit early warning information through the communication module 14, so as to know a corresponding error source, and then correct the error source through the editable control module 15, thereby reducing error time and improving working efficiency.
Referring to fig. 3, the present invention provides an automatic control method for a rod rolling line, where the automatic control system for a rod rolling line is suitable for an automatic control method for a rod rolling line, and the method includes the following steps:
s101, obtaining current rolling line data and corresponding rod positions, and preprocessing all data.
Specifically, data are acquired through sensors in the rolling mill transmission module 11, the sensors include one or more of a tilt angle sensor, a rotary encoder, a position sensor, a distance measuring sensor, a temperature sensor or a high-pressure sensor, and the sensors are used for acquiring data such as transmission speed, temperature, angle and the like of a main rolling mill transmission unit; the method comprises the steps that current rolling line data and corresponding rod positions are obtained, wherein the obtained data comprise current rolling line production data, rod positions, materials and the like, the current production data can know which corresponding rolling line works, the corresponding rod rolling mill 2 is driven to receive the corresponding rod to work conveniently according to the corresponding rod positions and materials, meanwhile, the corresponding reaching time is calculated according to the current position, and the rod rolling mill 2 is started conveniently; preprocessing all data, for example, converting the corresponding data into the same format or fusing the data; and establishing a corresponding adjusting model according to the acquired data to rapidly classify and process the data.
And S102, calculating by using a pre-stored control model and the preprocessed data, and transmitting and monitoring the output adjusting signal.
Specifically, the collected data are transmitted to a control module 12 connected to the rolling mill transmission module 11 through a DP bus, and the control module 12 analyzes and processes the data and sends out an adjustment signal. Wherein, the control unit is provided with a hot saw PLC unit 121 and a judgment unit 122, the hot saw PLC unit 121 comprises a plurality of power distribution cabinets and a CPU module, each power distribution cabinet is internally provided with a PLC and a power supply module, the judgment unit 122 and the plurality of PLCs are in a cascade mode of DP bus transmission, wherein, a sensor in a main mill transmission unit transmits test data to the hot saw PLC unit 121, the hot saw PLC unit 121 controls an adjustment module to process and operate collected data according to a pre-stored standard control model, transmits the data obtained by the plurality of PLCs to the CPU for unified integration, outputs the collected data of the sensor and an adjustment operation result to the judgment unit 122, judges whether to perform adjustment operation according to the received collected data and the adjustment operation result, and generates an operation confirmation signal when related adjustment operation is required, and fed back to the execution module 13.
In order to ensure the accuracy of the data transmission process and prevent the external intrusion signal from distorting the signal, the monitoring unit 124 is added to monitor the transmission process, and all data is transmitted through the monitoring unit 124, so that the error time is reduced, and the working efficiency is improved.
And S103, controlling the corresponding bar mill 2 to work or send out early warning information according to the adjusting signal.
Specifically, the execution module 13 executes related operations on the main rolling mill, so that an automatic control and adjustment operation is completed; when the adjusting signal does not correspond to the rod rolling mill 2, the early warning module 16 controls the rod rolling mill 2 to stop working, and simultaneously drives the rod rolling mill 2 to perform early warning, such as corresponding indicator light early warning, or transmits early warning information through the communication module 14, so that a corresponding error source can be known conveniently, and then the editable control module 15 corrects the error source, reduces error time and improves working efficiency.
The invention relates to a bar rolling line automatic control system and a control method, which comprises an automatic controller 1 and a plurality of bar rolling mills 2, wherein the automatic controller 1 comprises a rolling mill transmission module 11 and a control module 12, firstly, current rolling line data and corresponding bar positions are obtained, all the data are preprocessed, and corresponding adjusting models are established according to the obtained data to rapidly classify and process the data; then, calculating by using a pre-stored control model and the preprocessed data, and transmitting and monitoring an output adjusting signal; and finally, controlling the corresponding bar mill 2 to work or sending out early warning information according to the adjusting signal, automatically selecting the corresponding bar mill 2 to work, and simultaneously supervising the working process to improve the production efficiency.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. An automatic control system for a bar rolling line is characterized in that,
the automatic control system of the bar rolling line comprises an automatic controller and a plurality of bar rolling mills, wherein the bar rolling mills are connected with the automatic controller, the automatic controller comprises a rolling mill transmission module and a control module, and the rolling mill transmission module is connected with the control module;
the automatic controller is used for processing and judging data by utilizing a pre-stored control model according to the production data of the current rolling line;
the bar mill is used for carrying out corresponding operation according to the control signal of the automatic controller;
the rolling mill transmission module is used for acquiring current rolling line data and acquiring the position and the image of the corresponding bar;
and the control module is used for processing data by utilizing a pre-stored control model and judging whether to adjust.
2. The automatic bar mill line control system of claim 1,
the automatic controller also comprises an execution module, and the execution module is connected with the control module;
and the execution module is used for controlling the corresponding bar mill to adjust according to the output data of the control module.
3. The automatic bar mill line control system of claim 1,
the control module comprises a hot saw PLC unit and a judging unit, the hot saw PLC unit is connected with the rolling mill transmission module, and the judging unit is connected with the hot saw PLC unit;
the hot saw PLC unit is used for performing data calculation on the acquired data by utilizing a pre-stored control model;
and the judging unit is used for selecting the corresponding bar mill to work according to the calculation result of the hot saw PLC unit.
4. The automatic bar mill line control system of claim 3,
the control module also comprises a data preprocessing unit which is connected with the rolling mill transmission module and the hot saw PLC unit;
and the data processing unit is used for preprocessing the acquired corresponding rod position and image and establishing a corresponding processing model at the same time.
5. The automatic bar mill line control system of claim 2,
the control module also comprises a monitoring unit which is connected with the judging unit and the execution module;
and the monitoring unit is used for monitoring and transmitting the data transmission process between the judging unit and the execution module.
6. The automatic bar mill line control system of claim 5,
the automatic controller also comprises an early warning module, and the early warning module is connected with the monitoring unit;
and the early warning module is used for controlling the bar mill to stop and repeat the mill operation and sending out early warning information according to the monitoring result of the monitoring unit.
7. An automatic control method for a rolling line of a rod, wherein the automatic control system for the rolling line of the rod as claimed in any one of claims 1 to 6 is applied to the automatic control method for the rolling line of the rod, and the method comprises the following steps:
acquiring current rolling line data and corresponding bar positions, and preprocessing all the data;
calculating by using a pre-stored control model and the preprocessed data, and transmitting and monitoring an output adjusting signal;
and controlling the corresponding bar mill to work or send out early warning information according to the adjusting signal.
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| CN116022871A (en) * | 2023-02-21 | 2023-04-28 | 昆明理工大学 | Water purification treatment cascade feedback PLC automatic control system and control method thereof |
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