CN104511650A - Method for optimizing steel plate head shearing - Google Patents
Method for optimizing steel plate head shearing Download PDFInfo
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- CN104511650A CN104511650A CN201310462269.7A CN201310462269A CN104511650A CN 104511650 A CN104511650 A CN 104511650A CN 201310462269 A CN201310462269 A CN 201310462269A CN 104511650 A CN104511650 A CN 104511650A
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Abstract
A method for optimizing steel plate head shearing relates to a method of shearing steel plate head, and solves the problem that the existing method cannot precisely locate the portion needs to be sheared; the method comprises the following steps: controlling a roller bed to rotate by a controller in order to transmit a steel plate; controlling the roller bed to stop rotating when the head of the steel plate reaches a second optical grating; using an industrial camera to take a picture of the head of the steel plate, so as to generate a steel plate head image signal and send the signal into the controller; processing the steel plate head image signal by the controller, so as to obtain a shearing time of a head shear blade based on the image signal; keeping the rotation of the roller bed; judging that the shearing time of the head shear blade is reached, stopping the rotation of the roller bed, and stopping the transmission of the steel plate; shearing the head of the steel plate by the head shear blade. In the method, the industrial camera is used for precisely taking a picture of the outline of the steel plate head; by meshing and scanning the image, the length should be sheared from the steel plate head can be precisely calculated, thereby effectively increasing the precision of shearing the steel plate head, thus increasing the shearing efficiency and the yield.
Description
Technical field
The present invention relates to the steel plate head cutting method of plate production line, refer in particular to a kind of steel plate head and shear method for optimizing.
Background technology
Shear line is a part for Heavy plate production main line, is also the bottleneck place producing main line usually.The throat of shear line is exactly crop shears roller milling large plate being carried out to segmentation rough lumber, and the production efficiency of crop shears and rough lumber reasonability directly have influence on whole shear line efficiency and lumber recovery.Crop shears are first operations of shear line, are directly responsible for finished product, and be also the decisive factor determining slab output, therefore the production efficiency of crop shears is directly connected to the raising of product yield.
At present, a PSG(detecting instrument of flatness is equipped with) before shear line crop shears, it can enter the flat shape of the roller milling large plate of shear line to each block online, camber, edge side elevation shape carry out Measurement accuracy, the measurement result of PSG passes on shear line model calculation server with point coordinates value in form, so that automatic Fitting goes out plate profile, for crop shears, steel plate head is sheared, the following subject matter that this cutting method exists:
Steel plate head plate shape is bad, causes grating accurately to locate, and shears head waste material overlength often out, is often stuck in waste system, also have impact on shearing quality; The mode of artificial visual need be adopted during crop to carry out, had a strong impact on production efficiency.
In patent document CN101670436A, the control method of metal powder rolled raw plate blank top crop length make use of traditional general rolling equipment, carries out improving and be assembled into band with the rolling equipment of draught pressure electronic sensor system and device.It utilizes this pressure electronic transducer system equipment, measure metal dust variable force of pressure in the operation of rolling in roll mill, and by record operation of rolling pressure trend or change curve over time, obtain the time experienced when draught pressure reaches stable, this time is multiplied by roll rotation speed, can try to achieve metal powder rolled raw plate blank top crop length.The advantage of the method is: economize energy, energy-conservation raw material, and is conducive to improving the quality of products, and is conducive to the optimization realizing technique.But the method is by the change to pressure on pressure sensor of the reacting condition of steel plate and roll contact area, thus determine the length of steel plate head, therefore it is too many by external interference factor, to survey the error of data also large, the occasion used also is subject to certain restrictions, it is a kind of measuring method of contact, can not describe intuitively the nose shape of slab, and the error in length of crop is still very large.
Summary of the invention
The object of the invention is to overcome prior art Problems existing, providing a kind of and can accurately locate steel plate head ligulate and swallow-tail form etc. and calculate, the steel plate head realizing crop automation shears method for optimizing.
The object of the invention is to be achieved through the following technical solutions:
A kind of steel plate head shears method for optimizing, and it comprises the following steps:
S1, controller controls roller bed rotation;
S2, steel plate transmits to crop shears direction on roller-way;
S3, controller utilizes in 2 gratings installed before and after roller-way side and differentiates whether steel plate head arrives the position of this grating away from the second grating of crop shears, if do not arrived, continues to perform step S2;
S4, arrived the second grating if differentiated in step S3 to steel plate head, controller controls roller-way and stops operating, and steel plate stops transmitting;
S5, utilizes industrial camera to take a picture to steel plate head, produces steel plate head picture signal;
S6, the steel plate head picture signal obtained is transported in controller by industrial camera;
S7, controller processes steel plate head picture signal, obtains the time of end shears cutting edge shearing according to picture signal;
S8, controller controls roller-way and is rotated further, and steel plate continues to transmit to crop shears direction on roller-way;
S9, differentiates whether the time that end shears cutting edge is sheared arrives, if be less than, continues step S8;
S10, if differentiate in step S9 that time is up to end shears cutting edge shearing, roller-way stops operating, and steel plate stops transmitting;
S11, end shears cutting edge carries out crop operation to steel plate, and flow process terminates.
Industrial camera in described step S5 is mounted in the roller-way middle upper part of crop shears porch.
Obtaining the method for the time that end shears cutting edge is sheared according to picture signal in described step S7 is:
S71, according to picture signal, shows the visualization view of steel plate head over the display;
S7211, in visualization view from steel plate head foremost scanning;
S7212, differentiates whether be head Breadth Maximum, if not head Breadth Maximum, continues step S7211;
S7213, if differentiated to being head Breadth Maximum in step S7212, stops scanning;
S7214, calculates head Breadth Maximum value;
S7215, head Breadth Maximum value increases an added value, obtains crop length value;
S7216, controller calculates the time that steel plate continues to run;
S7217, roller-way is rotated further, and steel plate continues to transmit to crop shears direction;
S7218, controller utilizes to be arranged in 2 gratings of roller-way side and differentiates whether steel plate head arrives the position of this grating close to the first grating of crop shears, if do not arrived, continues to perform step S7217;
S7219, arrived the first grating if differentiated in step S7218 to steel plate head, controller controls crop shears and starts, and determines the time that cutting edge is sheared.
Head Breadth Maximum in described step S7212 refers to the irregularly shaped width that need shear of steel plate head.
Added value in described step S7215 is 2mm-5mm.
Obtaining the method for the time that end shears cutting edge is sheared according to picture signal in described step S7 is:
S71, according to picture signal, shows the visualization view of steel plate head over the display;
S7221, operator is according to visualization view, and input steel plate continues the setting value of delivery time;
S7222, manually inputs above-mentioned setting value at WINCC window;
S7223, shows this setting value over the display and is sent to controller, and the time starting crop shears and cutting edge shearing thereof determined by controller.
Beneficial effect of the present invention:
Industrial camera is utilized to take the contour shape of steel plate head accurately in method of the present invention, by to image gridding and scan function, this length of cutting of steel plate head can be calculated accurately, the clipped position of steel plate head can be made to accomplish most economical, realize from motion tracking automatic shearing simultaneously, effectively improve the precision that steel plate head is sheared, improve lumber recovery, also improve shear efficiency and reduce labour intensity.
For further illustrating above-mentioned purpose of the present invention, design feature and effect, below with reference to accompanying drawing, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the crop shears crop measuring system schematic diagram that the present invention uses;
Fig. 2 is the visualization view of the controller light plate head that the present invention uses;
Fig. 3 is that steel plate head of the present invention shears method for optimizing flow chart;
Fig. 4 is the flow chart step by step in Fig. 3 between step 7-step 8.
Detailed description of the invention
Accompanying drawing below in conjunction with embodiment is described in detail to the specific embodiment of the present invention.
See Fig. 1,
As shown in Figure 1, the present invention is in order to realize the automation of crop shears crop, in the crop shears crop measuring system used, by arranging a set of cutting head measurement mechanism 10 before crop shears 1, in steel plate 30 running, the nose shape of steel plate 10 is monitored, the nose shape data recorded are sent in controller 20, control by controller 20 time that crop shears 1 start, thus make the length of crop reach optimum state.
The cutting head measurement mechanism 10 that the present invention uses comprises: 2 gratings 2,3 being arranged on roller-way 8 side, and wherein close to crop shears 1 is the first grating 2, and away from crop shears 1 is the second grating 3; Be arranged on 2 reflective mirrors 4,5 of roller-way 8 opposite side; Be arranged on the roller-way middle upper part industrial camera 6 of crop shears 1 porch, industrial camera 6 is installed on support 7, and described 2 gratings 2,3 are in the below of industrial camera 6.
The effect of above-mentioned second grating 3 is when this position detects the head of steel plate 30, the signal detected is sent in controller 20 by it, rollgang 8 is stopped, industrial camera 6 starts imaging program simultaneously, the head of steel plate 30 is taken pictures, after having taken photograph, its picture signal exported is connected in the controller 20 of operating room by cable, program starts rollgang 8 and is rotated further, steel plate 30 is made to continue to carry (throughput direction that in Fig. 1, A direction is steel plate 30) forward, in the course of conveying of steel plate 30, controller 20 processes the picture signal received, the position of steel plate Breadth Maximum is calculated by image scanning.
Because steel plate head is foremost by grating triggered location, so steel plate head position is foremost changeless, to the position of Breadth Maximum (referring to the irregularly shaped width that need shear of steel plate head), just by the picture signal of industrial camera, accurate Calculation is out under a proportional relationship in position so foremost, do not disconnect for making the steel plate head centre of cutting, in the Breadth Maximum value calculated, controller 20 can increase an added value (2mm-5mm) automatically, this final width value is crop length value, can in the display screen display of controller 20, when steel plate 30 runs to the position of the first grating 2, controller controls crop shears 1 and starts to start crop program and determine the cutting edge actuation time of crop shears 1.
The effect of the first grating 2 is foremost position steel plate head being detected in this position, first grating 2 is definite value to the cutting edge position of crop shears 1, add the crop length value previously obtained, it is exactly steel plate 30 continues to be transported to the cutting edge position needs walking of crop shears 1 forward distance at the first grating 2 place, transporting velocity due to roller-way 8 is known constant speed, walk time of this segment distance of steel plate 30 just can be determined, this time is exactly cutting edge actuation time, until this time, the crop length value of steel plate head arrives the cutting edge position of crop shears 1, cutting edge action, so just can realize the function of crop shears 1 pair of steel plate 30 crop full-automation, and can accurately locate, steel plate head is made to shear optimization.
The present invention also provides the window of an artificial input data in addition, by industrial camera 6 pairs of steel plate 30 head zone shootings, by the display screen display of image transfer controllers 20, and to image gridding, as shown in Figure 2, read the erose width value of image steel plate 31 head over the display in real time by being presented at graduation apparatus 12 around steel plate head and grid 11 by operator, operator manually inputs this width value by WINCC window, controller 20 uses this value to calculate the time of delayed startup end shears cutting edge shearing, thus realize the semiautomatic control of steel plate crop.
See Fig. 3, it is as follows that steel plate head of the present invention shears method for optimizing flow process:
S1, controller controls roller bed rotation;
S2, steel plate transmits to crop shears direction on roller-way;
S3, controller utilizes in 2 gratings installed before and after roller-way side and differentiates whether steel plate head arrives the position of this grating, that is, whether the second grating has been triggered to steel plate head away from the second grating of crop shears, if do not arrived, continues to perform step S2;
S4, arrived the second grating if differentiated in step S3 to steel plate head, controller controls roller-way and stops operating, and steel plate stops transmitting;
S5, the industrial camera being arranged on the roller-way middle upper part of crop shears porch is taken a picture to steel plate head, produces steel plate head picture signal;
S6, the steel plate head picture signal obtained is transported in controller by industrial camera;
S7, controller processes steel plate head picture signal, obtains the time of end shears cutting edge shearing according to picture signal;
S8, controller controls roller-way and is rotated further, and steel plate continues to transmit to crop shears direction on roller-way;
S9, differentiates whether the time that end shears cutting edge is sheared arrives, if be less than, continues step S8;
S10, if differentiate in step S9 that time is up to end shears cutting edge shearing, roller-way stops operating, and steel plate stops transmitting;
S11, end shears cutting edge carries out crop operation to steel plate, and flow process terminates.
Obtain according to picture signal the time that end shears cutting edge shears in above-mentioned steps S7, two kinds of methods can be had to obtain, a kind of to obtain for full-automatic method, another kind obtains for semi-automatic method.
See Fig. 4, the process that full-automatic method obtains end shears cutting edge shear time is as follows:
S71, according to picture signal, shows the visualization view of steel plate head over the display;
S7211, in visualization view from steel plate head foremost scanning;
S7212, differentiates whether be head Breadth Maximum (referring to the irregularly shaped width that need shear of steel plate head), if not head Breadth Maximum, continues step S7211;
S7213, if differentiated to being head Breadth Maximum in step S7212, stops scanning;
S7214, calculates head Breadth Maximum value;
S7215, head Breadth Maximum value increases an added value (2mm-5mm), obtains crop length value;
S7216, controller calculates the time that steel plate continues to run;
S7217, roller-way is rotated further, and steel plate continues to transmit to crop shears direction;
S7218, controller utilizes to be arranged in 2 gratings of roller-way side and differentiates whether steel plate head arrives the position of this grating close to the first grating of crop shears, if do not arrived, continues to perform step S7217;
S7219, arrived the first grating if differentiated in step S7218 to steel plate head, controller controls crop shears and starts, and determines the time that cutting edge is sheared.
See Fig. 4, the process that semi-automatic method obtains end shears cutting edge shear time is as follows:
S71, according to picture signal, shows the visualization view of steel plate head over the display;
S7221, operator is according to visualization view (being a kind of view of gridding), and input steel plate continues the setting value of delivery time;
S7222, manually inputs above-mentioned setting value at WINCC window;
S7223, shows this setting value over the display and is sent to controller, and the time starting crop shears and cutting edge shearing thereof determined by controller.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to object of the present invention is described, and be not used as limitation of the invention, as long as in essential scope of the present invention, the change of the above embodiment, modification all will be dropped in the scope of claim of the present invention.
Claims (6)
1. steel plate head shears a method for optimizing, it is characterized in that comprising the following steps:
S1, controller controls roller bed rotation;
S2, steel plate transmits to crop shears direction on roller-way;
S3, controller utilizes in 2 gratings installed before and after roller-way side and differentiates whether steel plate head arrives the position of this grating away from the second grating of crop shears, if do not arrived, continues to perform step S2;
S4, arrived the second grating if differentiated in step S3 to steel plate head, controller controls roller-way and stops operating, and steel plate stops transmitting;
S5, utilizes industrial camera to take a picture to steel plate head, produces steel plate head picture signal;
S6, the steel plate head picture signal obtained is transported in controller by industrial camera;
S7, controller processes steel plate head picture signal, obtains the time of end shears cutting edge shearing according to picture signal;
S8, controller controls roller-way and is rotated further, and steel plate continues to transmit to crop shears direction on roller-way;
S9, differentiates whether the time that end shears cutting edge is sheared arrives, if be less than, continues step S8;
S10, if differentiate in step S9 that time is up to end shears cutting edge shearing, roller-way stops operating, and steel plate stops transmitting;
S11, end shears cutting edge carries out crop operation to steel plate, and flow process terminates.
2. steel plate head as claimed in claim 1 shears method for optimizing, it is characterized in that:
Industrial camera in described step S5 is mounted in the roller-way middle upper part of crop shears porch.
3. steel plate head as claimed in claim 1 shears method for optimizing, it is characterized in that:
Obtaining the method for the time that end shears cutting edge is sheared according to picture signal in described step S7 is:
S71, according to picture signal, shows the visualization view of steel plate head over the display;
S7211, in visualization view from steel plate head foremost scanning;
S7212, differentiates whether be head Breadth Maximum, if not head Breadth Maximum, continues step S7211;
S7213, if differentiated to being head Breadth Maximum in step S7212, stops scanning;
S7214, calculates head Breadth Maximum value;
S7215, head Breadth Maximum value increases an added value, obtains crop length value;
S7216, controller calculates the time that steel plate continues to run;
S7217, roller-way is rotated further, and steel plate continues to transmit to crop shears direction;
S7218, controller utilizes to be arranged in 2 gratings of roller-way side and differentiates whether steel plate head arrives the position of this grating close to the first grating of crop shears, if do not arrived, continues to perform step S7217;
S7219, arrived the first grating if differentiated in step S7218 to steel plate head, controller controls crop shears and starts, and determines the time that cutting edge is sheared.
4. steel plate head as claimed in claim 3 shears method for optimizing, it is characterized in that:
Head Breadth Maximum in described step S7212 refers to the irregularly shaped width that need shear of steel plate head.
5. steel plate head as claimed in claim 3 shears method for optimizing, it is characterized in that:
Added value in described step S7215 is 2mm-5mm.
6. steel plate head as claimed in claim 1 shears method for optimizing, it is characterized in that:
Obtaining the method for the time that end shears cutting edge is sheared according to picture signal in described step S7 is:
S71, according to picture signal, shows the visualization view of steel plate head over the display;
S7221, operator is according to visualization view, and input steel plate continues the setting value of delivery time;
S7222, manually inputs above-mentioned setting value at WINCC window;
S7223, shows this setting value over the display and is sent to controller, and the time starting crop shears and cutting edge shearing thereof determined by controller.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116876A (en) * | 2017-06-23 | 2019-01-01 | 宝山钢铁股份有限公司 | A kind of slab automates best shearing property system end to end |
| CN109116806A (en) * | 2017-06-23 | 2019-01-01 | 宝山钢铁股份有限公司 | Best segmentation automatic shearing control system is cut in a kind of cutting head of slab |
| CN109420795A (en) * | 2017-08-23 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind of the first knife of slab head shearing positioning device and its control method |
| CN109491325A (en) * | 2017-09-12 | 2019-03-19 | 宝山钢铁股份有限公司 | A kind of best nibbling shear control system of camber slab |
| CN109596049A (en) * | 2018-12-28 | 2019-04-09 | 沈阳建筑大学 | A kind of hot steel plate end Shearing Optimization method after rolling |
| CN109740596A (en) * | 2018-12-28 | 2019-05-10 | 中冶京诚工程技术有限公司 | Steel plate cuts off positioning intelligent video recognition system and method |
| CN109967786A (en) * | 2019-04-26 | 2019-07-05 | 太原科技大学 | A kind of accurate cutting system of Strip |
| CN111618097A (en) * | 2020-06-08 | 2020-09-04 | 江苏科技大学 | Automatic head and tail edge trimming device and method for rolled steel plate |
| CN112872050A (en) * | 2021-01-12 | 2021-06-01 | 首钢京唐钢铁联合有限责任公司 | Method for preventing head of thin-gauge strip steel from being folded in laminar cooling mode |
| CN113219903A (en) * | 2021-05-07 | 2021-08-06 | 东北大学 | Billet optimal shearing control method and device based on depth vision |
| CN114029544A (en) * | 2021-11-09 | 2022-02-11 | 广东韶钢松山股份有限公司 | Anti-locking device and method for fixed-length shear conveying chain |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116806A (en) * | 2017-06-23 | 2019-01-01 | 宝山钢铁股份有限公司 | Best segmentation automatic shearing control system is cut in a kind of cutting head of slab |
| CN109116876A (en) * | 2017-06-23 | 2019-01-01 | 宝山钢铁股份有限公司 | A kind of slab automates best shearing property system end to end |
| CN109116876B (en) * | 2017-06-23 | 2021-03-12 | 宝山钢铁股份有限公司 | Automatic optimal shearing control system for head and tail of thick plate |
| CN109420795A (en) * | 2017-08-23 | 2019-03-05 | 宝山钢铁股份有限公司 | A kind of the first knife of slab head shearing positioning device and its control method |
| CN109491325B (en) * | 2017-09-12 | 2021-02-19 | 宝山钢铁股份有限公司 | Optimum segmented shearing control system for thick sickle-curved plate |
| CN109491325A (en) * | 2017-09-12 | 2019-03-19 | 宝山钢铁股份有限公司 | A kind of best nibbling shear control system of camber slab |
| CN109740596B (en) * | 2018-12-28 | 2021-03-30 | 中冶京诚工程技术有限公司 | Intelligent video identification system and method for steel plate head cutting positioning |
| CN109596049B (en) * | 2018-12-28 | 2020-07-28 | 沈阳建筑大学 | Method for optimizing shearing of end part of hot steel plate after rolling |
| CN109740596A (en) * | 2018-12-28 | 2019-05-10 | 中冶京诚工程技术有限公司 | Steel plate cuts off positioning intelligent video recognition system and method |
| CN109596049A (en) * | 2018-12-28 | 2019-04-09 | 沈阳建筑大学 | A kind of hot steel plate end Shearing Optimization method after rolling |
| CN109967786B (en) * | 2019-04-26 | 2021-02-05 | 太原科技大学 | Accurate shearing system of plate strip steel |
| CN109967786A (en) * | 2019-04-26 | 2019-07-05 | 太原科技大学 | A kind of accurate cutting system of Strip |
| CN111618097A (en) * | 2020-06-08 | 2020-09-04 | 江苏科技大学 | Automatic head and tail edge trimming device and method for rolled steel plate |
| CN111618097B (en) * | 2020-06-08 | 2022-03-04 | 江苏科技大学 | Automatic head and tail edge trimming device and method for rolled steel plate |
| CN112872050A (en) * | 2021-01-12 | 2021-06-01 | 首钢京唐钢铁联合有限责任公司 | Method for preventing head of thin-gauge strip steel from being folded in laminar cooling mode |
| CN113219903A (en) * | 2021-05-07 | 2021-08-06 | 东北大学 | Billet optimal shearing control method and device based on depth vision |
| CN114029544A (en) * | 2021-11-09 | 2022-02-11 | 广东韶钢松山股份有限公司 | Anti-locking device and method for fixed-length shear conveying chain |
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