CN114918734A - Shearing quality detection and feedback control system and method for circle shear - Google Patents
Shearing quality detection and feedback control system and method for circle shear Download PDFInfo
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
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- B23D19/04—Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs
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Abstract
The invention belongs to the technical field of shearing quality detection of a circle shear, and discloses a circle shear shearing quality detection and feedback control system and a circle shear shearing quality detection and feedback control method, wherein a monitoring system monitors the section of a sheared strip in real time and uploads section information as data input to an expert system, the expert system decides to obtain a process parameter adjustment amount according to feedback information, and a control system adjusts parameters of the circle shear; the detection system monitors the shearing condition of the strip material in real time and adjusts the side gap in real time; and transmitting the adjustment quantity information of the parameters of the circle shear to an expert system, and the expert system self-learns. The shearing quality detection and feedback control system of the disc shear can monitor the shearing condition of the strip material in real time, adjust the lateral clearance in real time and improve the shearing quality of the strip material. The invention realizes the intellectualization and automation of the shearing quality control of the disc shear, improves the shearing quality of the strip, reduces the labor capacity of workers and improves the accuracy and precision of the decision of an expert system.
Description
Technical Field
The invention belongs to the technical field of shearing quality detection of a circle shear, and particularly relates to a circle shear shearing quality detection and feedback control system and a circle shear shearing quality detection and feedback control method.
Background
At present, a circle shear apparatus is one of important apparatuses for finishing a strip, and is used for longitudinally shearing a moving plate strip by the rotation of upper and lower cutting edges of a circular disc, thereby achieving the purposes of accurately controlling the width of the strip and eliminating edge defects of an upstream process. If the overlapping amount of the disc shears is too large, the edge of the strip steel is easy to rub with the shearing edges of the disc shears, so that the edge quality of the strip steel is influenced; when the overlapping amount is too small, the strip steel is not easy to cut off, and the quality problems of buckle heads, fish scale marks and the like are generated at the edge part. If the proper side clearance cannot be adjusted in time, the problems of corner collapse, burrs, damage to shearing equipment and the like can be caused, and the quality of the strip material is reduced. Most parameter adjustment of the existing disc shear is manually adjusted, so that the precision cannot be guaranteed, and the problem occurs when the strip is sheared, so that the quality of the edge of the strip cannot be adjusted in time. Therefore, it is desirable to design a new shearing quality detection and feedback control system and method for a circle shear to overcome the drawbacks of the prior art.
Through the above analysis, the problems and defects of the prior art are as follows: most parameter adjustment of the existing disc shear is manually adjusted, so that the precision cannot be guaranteed, and the problem occurs when the strip is sheared, so that the quality of the edge of the strip cannot be adjusted in time.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a shearing quality detection and feedback control system and a method thereof for a circle shear, and particularly relates to a shearing quality detection and feedback control system and a method for a circle shear based on an expert system.
The invention is realized in this way, a circle shear shearing quality detection and feedback control system, the circle shear shearing quality detection and feedback control system includes:
the expert system comprises a human-computer interaction interface, a knowledge acquisition unit, a knowledge base, an inference machine, an interpreter and a comprehensive database; the human-computer interaction interface is used for displaying the disc shear process parameter reasoning process explained by the interpreter; the knowledge base is used for storing relevant knowledge and acquiring and updating the knowledge base through the knowledge; the inference machine is used for inferring the adjusting value of the process parameters of the disc shear by combining the input and the related knowledge.
The monitoring system comprises four industrial cameras, an encoder and a decoder; the strip section condition monitoring part is positioned behind the sheared strip and used for monitoring the shearing condition of the strip in real time; the monitoring indexes comprise the occupation ratio of the tearing strip to the bright strip, the burr quantity and the phenomena of the buckle head and the fish scale pattern.
The control system comprises a PLC system, a driver and a motor; the expert system transmits the decided circle shear technological parameters to the PLC system, the PLC system transmits adjusting signals of the technological parameters to the driver, the driver drives the motor to rotate, the circle shear technological parameters change, the industrial camera feeds back section information in real time and transmits the information to the expert system, and closed-loop control of the circle shear technological parameters is achieved.
The actuating system comprises a transmission device, the transmission device is connected with the disc shear shaft, and the side gap of the disc shear is changed; the transmission device is connected with the shaft of the disc shear to change the overlapping amount of the disc shear.
Further, the rotary shear process parameters include side clearance and overlap.
Another objective of the present invention is to provide a method for detecting and feedback controlling shearing quality of a circle shear, which uses the system for detecting and feedback controlling shearing quality of a circle shear, wherein the method for detecting and feedback controlling shearing quality of a circle shear comprises:
the monitoring system monitors the section of the sheared strip in real time, inputs and uploads section information serving as data to the expert system, the expert system makes a decision according to feedback information to obtain a process parameter adjustment amount, and the control system adjusts parameters of the rotary shears; the detection system monitors the shearing condition of the strip material in real time and adjusts the side gap in real time; and transmitting the adjustment quantity information of the parameters of the circle shear to an expert system, and the expert system self-learns.
Further, the shearing quality detection and feedback control method of the circle shear comprises the following steps:
step one, setting the overlapping amount of a circle shear according to the thickness H of incoming materials, and setting a side gap set value a of a common circle shear according to the incoming materials; the side clearance of the circle shear returns to the original position a 0 (ii) a The PLC system calculates the side clearance adjustment according to the set value and the original position of the parameter;
step two, a PLC system driver drives a motor to drive a transmission device, and technological parameters are adjusted; when the technological parameter adjustment of the disc shear meets the requirements, the PLC transmits a signal to the driver, the motor stops rotating, and the parameter adjustment is finished; monitoring the section information of the sheared strip in real time by a monitoring system;
and step three, if the ratio M of the tearing belt and the bright belt of the belt material is not 2: 1, in an error allowable range, the burr amount of the section of the strip is less than N, the edge of the strip steel has the phenomena of buckle and fish scale pattern, and the monitoring system feeds back information to an expert system;
step four, the expert system performs self-learning training reinforcement on the information, and makes a decision to obtain an overlapping quantity feedback adjustment quantity X and a side clearance feedback adjustment quantity Y, and the expert system transmits an adjustment signal to the PLC system;
step five, transmitting the technological parameter adjusting signal to a driver by the PLC system, driving a motor to rotate by the driver, driving a transmission device which is in horizontal motion connection with a disc shear shaft by the motor to change a side gap; the motor rotates to drive a transmission device which is connected with the vertical movement of the disc shear shaft, so that the overlapping amount is changed; the above steps are repeated in a circulating way until the condition of the section of the strip material reaches the requirement.
Further, in the first step, the overlapping amount of the circle shear is set according to the thickness H of the incoming material, and the adjustment value C is 0.85-0.2H; the PLC system calculates the side clearance adjustment quantity according to the set value and the original position of the parameter, and comprises the following steps: the adjustment amount X is the set value a-the original position a 0 (ii) a Wherein, a 0 Is a constant value.
Further, the section information of the sheared strip in the second step comprises the ratio of a tearing strip to a bright strip, the burr amount, the buckle head and the fish scale pattern.
Further, the motor in the fifth step rotates to drive a transmission device which is connected with the horizontal movement of the disc shear shaft, so as to change the side gap; the motor rotates to drive a transmission device which is connected with the vertical movement of the disc shear shaft, so that the overlapping amount is changed.
It is a further object of the invention to provide a computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of:
the monitoring system monitors the section of the cut strip in real time and uploads section information as data input to the expert system, the expert system makes a decision according to feedback information to obtain a process parameter adjustment amount, and the control system adjusts parameters of the rotary shears; the detection system monitors the shearing condition of the strip material in real time and adjusts the side gap in real time; and transmitting the adjustment quantity information of the parameters of the circle shear to an expert system, and the expert system self-learns.
It is another object of the present invention to provide a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
the monitoring system monitors the section of the cut strip in real time and uploads section information as data input to the expert system, the expert system makes a decision according to feedback information to obtain a process parameter adjustment amount, and the control system adjusts parameters of the rotary shears; the detection system monitors the shearing condition of the strip material in real time and adjusts the side gap in real time; and transmitting the adjustment quantity information of the parameters of the circle shear to an expert system, and the expert system self-learns.
Another objective of the present invention is to provide an information data processing terminal, which is used for implementing the shear quality detection and feedback control system of a circle shear.
By combining all the technical schemes, the invention has the advantages and positive effects that: the invention provides a circle shear shearing quality detection and feedback control system and method, and particularly relates to a feedback control system and method for timely adjusting circle shear parameters according to the proportion of a bright belt to a tearing belt, the burr amount and the conditions of a buckle head and a fish scale pattern. The method takes information (ratio of bright band to tearing band, burr amount, head-off and fish scale pattern) after the band material is cut as data input, inputs the data into an expert system, gives corresponding technological parameter adjustment values by the expert system, and then controls the system to adjust the parameters of the disc shears.
The detection system provided by the invention can be used for monitoring the shearing condition of the strip material in real time, adjusting the side gap in real time and improving the shearing quality of the strip material. The intelligent and automatic control of the shearing quality of the disc shear is realized, the shearing quality of the strip is improved, and the labor capacity of workers is reduced.
The circle shear shearing quality detection and feedback control system based on the expert system can be used for controlling a plurality of circle shear devices in a connected mode, the monitoring system monitors the sections of the sheared strip materials in real time and uploads section information (tearing strip and bright strip ratio, burr amount, head buckling and fish scale pattern phenomena) to the expert system, the expert system decides the adjustment amount of process parameters according to the fed back information, and the control system adjusts the parameters of the circle shears. After a series of work is completed, the adjustment quantity information of the circle shear parameters is transmitted to an expert system, and the expert system carries out self-learning, so that the accuracy and precision of decision making of the expert system are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below 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 the drawings without creative efforts.
Fig. 1 is a flow chart of a shearing quality detection and feedback control method of a circle shear according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of information flow provided by the embodiment of the present invention.
Fig. 3 is a schematic diagram of an external structure of a circle shear according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of information conversion provided by the embodiment of the present invention.
Fig. 5 is a schematic diagram of a circle shear control system according to an embodiment of the present invention.
Fig. 6 is a schematic composition diagram of a shear quality monitoring and feedback control system of a circle shear according to an embodiment of the present invention.
Fig. 7 is a schematic circuit diagram according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a shearing quality detection and feedback control system and method for a circle shear, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the method for detecting and feedback controlling shearing quality of a circle shear provided in the embodiment of the present invention includes the following steps:
s101, setting the overlapping amount of the disc shear according to the thickness H of incoming materials, and setting a side gap set value a of a common disc shear according to the incoming materials; the side clearance of the circle shear returns to the original position a 0 (ii) a The PLC system calculates the side clearance adjustment according to the set value and the original position of the parameter;
s102, a PLC system driver drives a motor to drive a transmission device, and technological parameters are adjusted; when the technological parameter adjustment of the disc shear meets the requirements, the PLC transmits a signal to the driver, the motor stops rotating, and the parameter adjustment is finished; the monitoring system monitors the section information of the sheared strip in real time;
s103, if the proportion M of the tearing strip to the bright strip of the strip material is not 2: 1, in an error allowable range, the burr amount of the section of the strip is less than N, the edge of the strip steel has the phenomena of buckle and fish scale pattern, and the monitoring system feeds back information to an expert system;
s104, the expert system performs self-learning training reinforcement on the information, makes a decision to obtain an overlap feedback adjustment quantity X and a side gap feedback adjustment quantity Y, and transmits an adjustment signal to the PLC system;
s105, the PLC system transmits the technological parameter adjusting signal to a driver, the driver drives a motor to rotate, and the motor rotates to drive a transmission device which is connected with the disc shear shaft in a horizontal movement mode, so that the side gap is changed; the motor rotates to drive a transmission device which is connected with the vertical movement of the disc shear shaft, so that the overlapping amount is changed; the above steps are repeated in a circulating way until the condition of the section of the strip material reaches the requirement.
The technical solution of the present invention is further described below with reference to specific examples.
Example 1
The evaluation index of the shearing quality of the disc shear is as follows: the ratio of the tearing strip to the bright strip, the burr amount, the buckle head and the fish scale pattern; and (4) judging the standard: the ratio of the tearing tape to the bright tape is 2: 1 or in the error range, the burr amount is in the specified range, and whether the phenomena of head buckling and fish scale marks occur or not. The side gap affects the ratio of the tearing strip to the bright strip and the amount of burrs and thus the shearing quality. The size of side clearance is decided by circle shear cutting edge size precision, position sleeve size and the precision between the cutting edge, and long-time shearing process can influence the side clearance of cutting edge, and the side clearance of cutting edge also can be influenced to the location of cutting edge and circle shear axis deformation and circle shear axis simultaneously. Therefore, real-time monitoring of the side clearance of the rotary cutter is required.
The disk shear shearing quality detection and feedback control system based on the expert system can be used for controlling a plurality of disk shear devices in a connected mode, the monitoring system monitors the sections of sheared strips in real time and uploads section information (tearing strip and bright strip ratio, burr amount, buckle head and fish scale pattern phenomena) to the expert system, the expert system decides the adjustment amount of process parameters according to the fed back information, and the control system adjusts the parameters of the disk shears. After a series of work is completed, the adjustment quantity information of the circle shear parameters is transmitted to an expert system, and the expert system carries out self-learning, so that the accuracy and precision of decision making of the expert system are improved.
The shearing quality monitoring and feedback control system of the rotary shears provided by the embodiment of the invention comprises an expert system, a monitoring system, a control system and an execution system.
The expert system includes: the system comprises a human-computer interaction interface, knowledge acquisition, a knowledge base, an inference machine, an interpreter and a comprehensive database. The human-computer interaction interface is used for displaying the inference process of the parameters (side clearance and overlapping quantity) of the rotary shear process explained by the interpreter; the knowledge base is used for storing related knowledge and can be obtained and updated through the knowledge; the inference machine combines the input and the related knowledge to infer the adjustment value of the process parameters (side clearance and overlapping amount) of the disc shear.
The monitoring system includes: four industrial cameras, encoders and decoders. The monitoring part of the section condition of the strip is positioned behind the sheared strip and used for monitoring the shearing condition of the strip in real time, and the main monitoring indexes are the proportion of a tearing strip to a bright strip, the burr quantity and the phenomena of a buckle head and a fish scale pattern.
The control system includes: PLC system, driver, motor. The expert system transmits the decided circle shear process parameters (side clearance and overlapping amount) to the PLC system, the PLC system transmits the adjustment signals of the process parameters to the driver, the driver drives the motor to rotate, the circle shear process parameters change, the industrial camera feeds back section information in real time and transmits the information to the expert system, and therefore closed-loop control of the circle shear process parameters is achieved.
The execution system includes: and a transmission device. The transmission device is connected with a disc shear shaft (horizontal movement) to change the side clearance of the disc shear; the transmission device is connected with a disc shear shaft (vertical movement) to change the overlapping amount of the disc shear.
The method for detecting and controlling the shearing quality of the rotary shears based on the expert system comprises the following steps:
1. setting the overlapping amount of the disc shear according to the thickness H of the incoming material, and adjusting the value C to be 0.85-0.2H;
2. setting a side clearance set value (a) of a common disc shear according to incoming materials;
3. the side clearance of the circle shear returns to the original position (a) 0 ) Wherein a is 0 Is a constant value;
4. the PLC system calculates the side clearance adjustment quantity according to the set value and the original position of the parameters: adjustment amount (X) is set value-home position (a-a) 0 )；
5. The PLC system driver drives the motor to drive the transmission device, so as to achieve the purpose of adjusting the technological parameters. When the technological parameter adjustment of the disc shear meets the requirements, the PLC transmits a signal to the driver, the motor can stop rotating, and the parameter adjustment is finished;
6. the monitoring system works:
the monitoring system monitors section information (ratio of tearing belt to bright belt, burr amount, head-buckling and fish scale pattern phenomenon) of the sheared belt material in real time;
7. the expert system works:
if the ratio M of the tearing strip to the bright strip of the strip material is not 2: 1 and in the error allowable range, the burr amount of the section of the strip is less than N, the phenomena of buckle heads and fish scale marks appear on the edge of the strip steel, and the monitoring system feeds information back to an expert system. The expert system conducts self-learning training on the information to strengthen and improve decision accuracy, decision is conducted to obtain an overlapping quantity feedback adjustment quantity X and a side gap feedback adjustment quantity Y, and the expert system transmits an adjustment signal to the PLC system.
8. The PLC system transmits a technological parameter adjusting signal to a driver, the driver drives a motor to rotate, and the motor rotates to drive a transmission device connected with a disc shear shaft (horizontal movement) to change a side gap; the motor rotates to drive a transmission device connected with a disc shear shaft (vertical motion), and the overlapping amount is changed. The above steps are repeated in a circulating way until the section condition of the strip material reaches the requirement.
A schematic diagram of information flow provided by an embodiment of the present invention is shown in fig. 2, a schematic diagram of an external structure of a circle shear provided by an embodiment of the present invention is shown in fig. 3, a schematic diagram of information conversion provided by an embodiment of the present invention is shown in fig. 4, a schematic diagram of a circle shear control system provided by an embodiment of the present invention is shown in fig. 5, a schematic diagram of a component of a circle shear shearing quality monitoring and feedback control system provided by an embodiment of the present invention is shown in fig. 6, and a schematic diagram of a circuit provided by an embodiment of the present invention is shown in fig. 7.
Example 2
Because the structures of the left knife box and the right knife box are consistent, and the control methods are consistent, only one of the control methods is introduced, and the specific structure is as follows:
the device comprises a knife box (1), an industrial camera (2), an upper knife (3), a lower knife (4), a transmission device (a wedge structure) (5), a transmission device (an eccentric turbine) (6), a lead screw (7), a guide rail (8), an upper knife motor (9), a lower knife motor (10) and a knife box motor (11). Wherein the upper knife (2) can move back and forth along with the transmission device (5), and the transmission device is connected with the motor (9); the lower cutter (4) moves up and down along with the transmission device (6), and the transmission device is connected with the motor (10); the industrial camera (2) is arranged on the knife box (1), and the knife box (1) moves along the screw rod (6) and the guide rail (7) under the drive of the motor (11).
The models of the PLC modules are SINAMICS S7-1200 series, the models of the industrial cameras are Bashen CA-H2100C series, the models of the drivers are SINAMICS V90 series, and the models of the motors are SIMOTICS S-1FL6 series.
After the specific mechanism is combined, the method for detecting the shearing quality and controlling the feedback of the rotary shears based on the expert system provided by the embodiment of the invention comprises the following steps:
1. setting the overlapping amount of the disc shear according to the thickness H of the incoming material, and adjusting the value C to be 0.85-0.2H
2. Setting a side gap set value (a) of a common circle shear according to the incoming material thickness;
3. the side clearance of the circle shear returns to the original position (a0), where a 0 Is a constant value;
4. the PLC system calculates the side clearance adjustment quantity according to the set value and the original position of the parameters: adjustment amount (X) is set value-home position (a-a) 0 )；
5. The PLC system transmits signals to the driver, the driver drives the motor, the motor drives the screw rod mechanism to move, and the side gap value and the disc shear overlapping quantity value of the disc shear are adjusted.
6. When the side clearance and the overlapping amount of the circle shear reach the requirements, the PLC transmits a signal to the driver, the motor can stop rotating, and the parameter adjustment is finished;
7. the disc shear starts working:
the industrial camera monitors section information (ratio of tearing strip to bright strip, burr amount, head-off and fish scale pattern phenomenon) of the cut strip in real time and prepares to transmit to an expert system.
8. The industrial camera built-in encoder converts monitored strip section information, namely tear strip and bright strip ratio (m) and burr amount (n) and whether buckle head and fish scale pattern phenomenon (k) occurs into electric signals for communication, transmission and storage, and then transmits the electric signals to an expert system through the encoder.
9. The expert system decodes the electric signal containing the section information of the strip material into the section information through a decoder and prepares for a decision process.
10. An expert system decision process:
if the ratio m of the tearing strip to the bright strip of the strip material is not 2: 1, in an error allowable range, the burr quantity N of the section of the strip is smaller than a standard set value N, the phenomenon k of head buckling and fish scale marks of the strip is 1, an expert system carries out self-learning training and strengthening on the section information of the strip to improve decision accuracy, and a decision is made to obtain a side gap feedback adjustment value Y and an overlapping amount adjustment value X;
11. the expert system transmits the signals of the adjustment quantity X and the adjustment quantity Y to the PLC system, the PLC system transmits the signals of the overlap quantity and the side clearance adjustment to the driver, the driver drives the motor to rotate, and the motor rotates to drive the wedge mechanism connected with the shaft (horizontal motion) of the disc shear to change the side clearance; the motor rotates to drive an eccentric turbine mechanism connected with a disc shear shaft (horizontal motion), and the overlapping amount is changed. The above steps are repeated in a circulating way until the condition of the section of the strip reaches the standard requirement.
Note: to implement the above-described functions and methods, various actuators may be embodied, which may be embodied as a ramp wedge mechanism to implement side clearance control or an eccentric turbine structure to implement overlap control. These specific mechanisms are used for illustration only, and other mechanisms may be substituted in practice.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a circle shear shearing quality detection and feedback control system which characterized in that, circle shear shearing quality detection and feedback control system includes: the expert system comprises a human-computer interaction interface, a knowledge acquisition system, a knowledge base, an inference machine, an interpreter and a comprehensive database; the human-computer interaction interface is used for displaying the disc shear process parameter reasoning process explained by the interpreter; the knowledge base is used for storing relevant knowledge and acquiring and updating the knowledge base through the knowledge; the inference machine is used for inferring the adjustment value of the process parameter of the rotary shears by combining input and related knowledge;
the monitoring system comprises four industrial cameras, an encoder and a decoder; the strip section condition monitoring part is positioned behind the cut strip and used for monitoring the cutting condition of the strip in real time; the monitoring indexes comprise the occupation ratio of the tearing belt and the bright belt, the burr amount and the phenomena of the buckle head and the fish scale pattern;
the control system comprises a PLC system, a driver and a motor; the expert system transmits the decided circle shear process parameters to the PLC system, the PLC system transmits adjusting signals of the process parameters to the driver, the driver drives the motor to rotate, the circle shear process parameters change, the industrial camera feeds back section information in real time and transmits the information to the expert system to perform closed-loop control on the circle shear process parameters;
the actuating system comprises a transmission device, the transmission device is connected with the disc shear shaft, and the side gap of the disc shear is changed; the transmission device is connected with the shaft of the disc shear to change the overlapping amount of the disc shear.
2. The rotary shear quality detection and feedback control system of claim 1, wherein said rotary shear process parameters include side clearance and overlap.
3. A shearing quality detection and feedback control method of a circle shear, which applies the shearing quality detection and feedback control system of the circle shear as claimed in any one of claims 1-2, characterized in that the shearing quality detection and feedback control method of the circle shear comprises the following steps:
the monitoring system monitors the section of the cut strip in real time and uploads section information as data input to the expert system, the expert system makes a decision according to feedback information to obtain a process parameter adjustment amount, and the control system adjusts parameters of the rotary shears; the detection system monitors the shearing condition of the strip material in real time and adjusts the side gap in real time; and transmitting the adjustment amount information of the circle shear parameters to an expert system, and carrying out self-learning by the expert system.
4. A method of shear quality detection and feedback control for a circle shear of claim 3, wherein said method of shear quality detection and feedback control for a circle shear comprises the steps of:
step one, setting the overlapping amount of the disc shear according to the thickness H of the incoming material and the incoming materialSetting a side gap set value a of a common circle shear; the side clearance of the circle shear returns to the original position a 0 (ii) a The PLC system calculates the side clearance adjustment according to the set value and the original position of the parameter;
step two, a PLC system driver drives a motor to drive a transmission device, and technological parameters are adjusted; when the technological parameter adjustment of the disc shear meets the requirements, the PLC transmits a signal to the driver, the motor stops rotating, and the parameter adjustment is finished; the monitoring system monitors the section information of the sheared strip in real time;
and step three, if the ratio M of the tearing belt and the bright belt of the belt material is not 2: 1, in an error allowable range, the burr amount of the section of the strip is less than N, the edge of the strip steel has the phenomena of buckle and fish scale pattern, and the monitoring system feeds back information to an expert system;
step four, the expert system performs self-learning training reinforcement on the information, and makes a decision to obtain an overlap feedback adjustment quantity X and a side gap feedback adjustment quantity Y, and transmits an adjustment signal to the PLC system;
fifthly, the PLC system transmits the technological parameter adjusting signal to a driver, the driver drives a motor to rotate, and the motor rotates to drive a transmission device which is connected with the disc shear shaft in a horizontal movement mode, so that the side gap is changed; the motor rotates to drive a transmission device which is connected with the vertical movement of the disc shear shaft, so that the overlapping amount is changed; the above steps are repeated in a circulating way until the condition of the section of the strip material reaches the requirement.
5. The method for detecting and feedback-controlling shearing quality of circle shears according to claim 4, wherein in the first step, the overlapping amount of the circle shears is set according to the thickness H of the incoming material, and the adjusting value C is 0.85-0.2H; the PLC system calculates the side clearance adjustment quantity according to the set value and the original position of the parameter, and comprises the following steps: the adjustment amount X is the set value a-the original position a 0 (ii) a Wherein, a 0 Is a constant value.
6. The method for detecting and feedback-controlling shearing quality of a circle shear of claim 4, wherein the information of the sheared cross section of the strip in the second step comprises the ratio of tearing strip to bright strip, the amount of burrs, the phenomena of button heads and fish scale marks.
7. The method as claimed in claim 4, wherein the motor in the fifth step rotates a driving device connected to the horizontal movement of the shaft of the circle shear to change the lateral gap; the motor rotates to drive a transmission device which is connected with the vertical movement of the disc shear shaft, so that the overlapping amount is changed.
8. A computer arrangement comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to carry out the steps of:
the monitoring system monitors the section of the cut strip in real time and uploads section information as data input to the expert system, the expert system makes a decision according to feedback information to obtain a process parameter adjustment amount, and the control system adjusts parameters of the rotary shears; the detection system monitors the shearing condition of the strip material in real time and adjusts the side gap in real time; and transmitting the adjustment amount information of the circle shear parameters to an expert system, and carrying out self-learning by the expert system.
9. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of:
the monitoring system monitors the section of the cut strip in real time and uploads section information as data input to the expert system, the expert system makes a decision according to feedback information to obtain a process parameter adjustment amount, and the control system adjusts parameters of the rotary shears; the detection system monitors the shearing condition of the strip material in real time and adjusts the side gap in real time; and transmitting the adjustment amount information of the circle shear parameters to an expert system, and carrying out self-learning by the expert system.
10. An information data processing terminal, characterized in that the information data processing terminal is used for realizing the shearing quality detection and feedback control system of the circle shear as claimed in any one of claims 1-2.
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| CN114918734B (en) | 2024-02-02 |
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