CN104511650B - Method for optimizing steel plate head shearing - Google Patents
Method for optimizing steel plate head shearing Download PDFInfo
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- CN104511650B CN104511650B CN201310462269.7A CN201310462269A CN104511650B CN 104511650 B CN104511650 B CN 104511650B CN 201310462269 A CN201310462269 A CN 201310462269A CN 104511650 B CN104511650 B CN 104511650B
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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 shearing optimization
Method.
Background technology
Shearing line is a part for Heavy plate production main line, and the bottleneck generally also producing main line is located.The throat of shearing line
Exactly roller milling large plate is carried out with the crop that segmentation slightly cuts cut, the production efficiency that crop is cut and slightly suit rationality and directly influence entirely
Shearing line efficiency and lumber recovery.It is the first procedure of shearing line that crop is cut, and directly finished product is responsible for, and is also to determine slab
The production efficiency that the determiner of yield, therefore crop are cut is directly connected to the raising of product yield.
At present, it is equipped with a PSG before shearing line crop is cut（Detecting instrument of flatness）, it can enter to each piece online
The flat shape of the roller milling large plate of shearing line, camber, edge side elevation shape are accurately measured, the measurement result of PSG with
The form of point coordinates value uploads on shearing line model calculation server, so that automatic Fitting goes out plate profile, it is right to cut for crop
Steel plate head is sheared, the following subject matter that this cutting method exists：
Steel plate head plate shape is bad, leads to grating cannot be accurately positioned, shearing head waste material overlength often out, often
It is stuck in waste system, also have impact on shearing quality；Need to be carried out by the way of artificial visual during crop, have a strong impact on life
Produce efficiency.
In patent documentation CN101670436A, the control method of metal powder rolled raw plate blank top crop length make use of biography
The general rolling equipment of system, improves and is assembled into band with the rolling equipment of draught pressure electronic sensor system and device.Its profit
With this pressure electronic transducer system equipment, measure the variable force of metal dust pressure in the operation of rolling in roll mill, and by note
Record operation of rolling pressure trend or change curve over time, obtains the time experienced when draught pressure reaches stable,
This time is multiplied by roll rotation speed, you can try to achieve metal powder rolled raw plate blank top crop length.The advantage of the method is：Save
The energy, energy-conservation raw material, and be conducive to improve product quality, it is advantageously implemented the optimization of technique.But the method is by steel
The reacting condition of plate and roll contact area is to the change of pressure transducer upward pressure, so that it is determined that the length of steel plate head, because
This its be subject to external interference factor too many, also greatly, the occasion of use is also subject to certain restrictions the error of surveyed data, and it is one kind
, it is impossible to intuitively describe to the nose shape of slab, the error in length of crop is still very big for the measuring method of contact.
Content of the invention
The invention aims to overcome prior art exist problem, provide a kind of to steel plate head tongue shape and dovetail
Shape etc. can be accurately positioned and be calculated, and realize the steel plate head shearing method for optimizing of crop automatization.
The purpose of the present invention is 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 cuts direction transmission to crop on roller-way；
S3, controller differentiates steel using in 2 gratings installed before and after roller-way side away from the second grating that crop is cut
Whether wrench portion reaches the position of this grating, without arrival, continues executing with step S2；
S4, if differentiating in step S3 that steel plate head has reached the second grating, controller controls roller-way to stop operating, steel
Plate stops transmission；
S5, is taken a picture to steel plate head using industrial camera, produces steel plate head picture signal；
S6, the steel plate head obtaining picture signal is transported in controller industrial camera；
S7, controller is processed to steel plate head picture signal, obtains end shears cutting edge shearing according to picture signal
Time；
S8, controller controls roller-way to be rotated further, and steel plate continues to cut direction transmission to crop on roller-way；
S9, differentiates whether the time of end shears cutting edge shearing arrives, if be less than, continues step S8；
S10, if differentiating in step S9 that end shears cutting edge shearing has timed out, roller-way stops operating, and steel plate stops
Transmission；
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 that crop cuts porch.
In described step S7 according to the method that picture signal obtains the time that end shears cutting edge is sheared it is：
S71, according to picture signal, shows the visualization view of steel plate head over the display；
S7211, starts to scan from steel plate head in visualization view foremost；
S7212, discriminates whether as head Breadth Maximum, if not head Breadth Maximum, continues step S7211；
S7213, if differentiating in step S7212 has been head Breadth Maximum, stops scanning；
S7214, calculates head Breadth Maximum value；
S7215, increases an added value in head Breadth Maximum value, obtains crop length value；
S7216, controller calculates the time that steel plate continues to run with；
S7217, roller-way is rotated further, and steel plate continues to cut direction transmission to crop；
S7218, controller using be arranged in 2 gratings of roller-way side close to crop cut first grating differentiate steel plate
Whether head reaches the position of this grating, without arrival, continues executing with step S7217；
S7219, if differentiating in step S7218 that steel plate head has reached the first grating, controller control crop is cut and is opened
Dynamic, and determine the time of cutting edge shearing.
Head Breadth Maximum in described step S7212 refers to the irregularly shaped width that need to shear of steel plate head.
Added value in described step S7215 is 2mm-5mm.
In described step S7 according to the method that picture signal obtains the time that end shears cutting edge is sheared it is：
S71, according to picture signal, shows the visualization view of steel plate head over the display；
S7221, operator, according to visualization view, inputs the setting value that steel plate continues the delivery time；
S7222, is manually entered above-mentioned setting value in WINCC window；
S7223, shows this setting value over the display and is sent to controller, and controller determines that starting crop cuts and its cut
The time of sword shearing.
Beneficial effects of the present invention：
The contour shape of steel plate head is accurately taken using industrial camera, by image lattice in the method for the present invention
Change and scan function, can accurately calculate this length of cutting of steel plate head, the clipped position of steel plate head can be made to accomplish
Most economical, realize from motion tracking automatic shearing simultaneously, be effectively improved the precision of steel plate head shearing, improve lumber recovery, also
Improve shear efficiency and reduce labor intensity.
For further illustrating above-mentioned purpose, construction featuress and the effect of the present invention, below with reference to accompanying drawing, the present invention is entered
Row describes in detail.
Brief description
The crop cutting head measuring system schematic diagram that Fig. 1 uses for the present invention；
The visualization view of the controller light plate head that Fig. 2 uses for the present invention；
Fig. 3 shears method for optimizing flow chart for steel plate head of the present invention；
Fig. 4 is the flow chart step by step in Fig. 3 between step 7- step 8.
Specific embodiment
Accompanying drawing with reference to embodiment is described in detail to the specific embodiment of the present invention.
Referring to Fig. 1.
As shown in figure 1, the present invention is in order to realize the automatization of crop cutting head, the crop cutting head measuring system of use
In, by arranging a set of cutting head measurement apparatus 10 before crop cuts 1, the head shape to steel plate 10 in steel plate 30 running
Shape is monitored, and the nose shape recording data is sent in controller 20, by controller 20 control crop cut 1 startup when
Between, so that the length of crop reaches optimum state.
The cutting head measurement apparatus 10 that the present invention uses comprise：It is arranged on 2 gratings 2,3 of roller-way 8 side, wherein close
Crop cut 1 for the first grating 2, away from crop cut 1 for the second grating 3；It is arranged on 2 illuminators 4 of roller-way 8 opposite side,
5；It is arranged on the roller-way middle upper part industrial camera 6 that crop cuts 1 porch, industrial camera 6 is installed on support 7, described 2 light
Grid 2,3 are in the lower section of industrial camera 6.
The effect of above-mentioned second grating 3 is that the signal detecting is sent by it when this position detects the head of steel plate 30
Enter in controller 20, so that rollgang 8 is stopped, industrial camera 6 starts imaging program, and the head of steel plate 30 is clapped simultaneously
According to, after having clapped photograph, the picture signal of its output passes through cable connection in the controller 20 of operating room, and program starts rollgang
8 are rotated further, and make steel plate 30 continue to convey forward（In Fig. 1, A direction is the conveying direction of steel plate 30）, in the conveying of steel plate 30
Cheng Zhong, controller 20 is processed to the picture signal receiving, and calculates the position of steel plate Breadth Maximum by image scanning.
Because steel plate head is to trigger positioning by grating foremost, so steel plate head position foremost is to fix not
Become, then position foremost is to Breadth Maximum（Refer to the irregularly shaped width that need to shear of steel plate head）Position with regard to energy
Accurately calculate under a proportional relationship by the picture signal of industrial camera, for making not turning off in the middle of the steel plate head cutting,
In the Breadth Maximum value calculating, controller 20 can increase an added value automatically（2mm-5mm）, final this width value
It is crop length value, can be in the display screen display of controller 20, when steel plate 30 runs to the position of the first grating 2, controller
Control crop to cut 1 to start to start crop program and determine that crop cuts for 1 cutting edge movement time.
The effect of the first grating 2 is foremost position steel plate head is detected in this position, and the first grating 2 arrives crop
The cutting edge position cutting 1 is definite value, adds the crop length value previously having obtained it is simply that steel plate 30 continues forward at the first grating 2
It is transported to the distance that crop cuts 1 cutting edge position needs walking, because the transporting velocity of roller-way 8 is known constant speed, steel plate 30
Walk time of this segment distance just can determine that, this time is exactly cutting edge movement time, until this time, the crop of steel plate head
Length value reaches the cutting edge position that crop cuts 1, cutting edge action, so can be achieved with crop and cuts 1 pair of steel plate 30 crop full-automation
Function, and can be accurately positioned, make steel plate head shear optimization.
In addition the present invention also provides the window of an artificial input data, by industrial camera 6 to steel plate 30 head zone
Shooting, by the display screen display of image transfer controllers 20, and to image gridding, as shown in Fig. 2 over the display by grasping
Work person reads the irregular shape of image steel plate 31 head in real time by the graduation apparatus 12 that is shown in around steel plate head and grid 11
The width value of shape, operator is manually entered this width value by WINCC window, and controller 20 calculates delayed startup using this value
The time of end shears cutting edge shearing, thus realize the semiautomatic control of steel plate crop.
Referring to Fig. 3, steel plate head shearing method for optimizing flow process of the present invention is as follows：
S1, controller controls roller bed rotation；
S2, steel plate cuts direction transmission to crop on roller-way；
S3, controller differentiates steel using in 2 gratings installed before and after roller-way side away from the second grating that crop is cut
Whether wrench portion reaches the position of this grating, i.e. whether the second grating has been triggered to steel plate head, without arrival, continues
Execution step S2；
S4, if differentiating in step S3 that steel plate head has reached the second grating, controller controls roller-way to stop operating, steel
Plate stops transmission；
S5, the industrial camera being arranged on the roller-way middle upper part that crop cuts porch is taken a picture to steel plate head, produces
Steel plate head picture signal；
S6, the steel plate head obtaining picture signal is transported in controller industrial camera；
S7, controller is processed to steel plate head picture signal, obtains end shears cutting edge shearing according to picture signal
Time；
S8, controller controls roller-way to be rotated further, and steel plate continues to cut direction transmission to crop on roller-way；
S9, differentiates whether the time of end shears cutting edge shearing arrives, if be less than, continues step S8；
S10, if differentiating in step S9 that end shears cutting edge shearing has timed out, roller-way stops operating, and steel plate stops
Transmission；
S11, end shears cutting edge carries out crop operation to steel plate, and flow process terminates.
Obtain the time of end shears cutting edge shearing in above-mentioned steps S7 according to picture signal, two methods can be had to obtain,
One kind obtains for full-automatic method, and another kind obtains for semi-automatic method.
Referring to 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, starts to scan from steel plate head in visualization view foremost；
S7212, discriminates whether as head Breadth Maximum（Refer to the irregularly shaped width that need to shear of steel plate head）If,
It is not head Breadth Maximum, continue step S7211；
S7213, if differentiating in step S7212 has been head Breadth Maximum, stops scanning；
S7214, calculates head Breadth Maximum value；
S7215, increases an added value in head Breadth Maximum value（2mm-5mm）, obtain crop length value；
S7216, controller calculates the time that steel plate continues to run with；
S7217, roller-way is rotated further, and steel plate continues to cut direction transmission to crop；
S7218, controller using be arranged in 2 gratings of roller-way side close to crop cut first grating differentiate steel plate
Whether head reaches the position of this grating, without arrival, continues executing with step S7217；
S7219, if differentiating in step S7218 that steel plate head has reached the first grating, controller control crop is cut and is opened
Dynamic, and determine the time of cutting edge shearing.
Referring to 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（It is a kind of view of gridding）, the input steel plate continuation delivery time
Setting value；
S7222, is manually entered above-mentioned setting value in WINCC window；
S7223, shows this setting value over the display and is sent to controller, and controller determines that starting crop cuts and its cut
The time of sword shearing.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to illustrate the present invention's
Purpose, and it is not used as limitation of the invention, the change as long as in the essential scope of the present invention, to embodiment described above
Change, modification all will fall in the range of the claim of the present invention.
Claims (4)
1. a kind of steel plate head shearing method for optimizing is it is characterised in that comprise the following steps：
S1, controller controls roller bed rotation；
S2, steel plate cuts direction transmission to crop on roller-way；
S3, controller differentiates steel plate head using in 2 gratings installed before and after roller-way side away from the second grating that crop is cut
Whether portion reaches the position of this grating, without arrival, continues executing with step S2；
S4, if differentiating in step S3 that steel plate head has reached the second grating, controller controls roller-way to stop operating, and steel plate stops
Only transmit；
S5, is taken a picture to steel plate head using industrial camera, produces steel plate head picture signal；
S6, the steel plate head obtaining picture signal is transported in controller industrial camera；
S7, controller is processed to steel plate head picture signal, obtains the time of end shears cutting edge shearing according to picture signal；
Described obtain end shears cutting edge shearing according to picture signal the method for time be：
S71, according to picture signal, shows the visualization view of steel plate head over the display；
S7211, starts to scan from steel plate head in visualization view foremost；
S7212, discriminates whether as head Breadth Maximum, if not head Breadth Maximum, continues step S7211；
S7213, if differentiating in step S7212 has been head Breadth Maximum, stops scanning；
S7214, calculates head Breadth Maximum value；
S7215, increases an added value in head Breadth Maximum value, obtains crop length value；
S7216, controller calculates the time that steel plate continues to run with；
S7217, roller-way is rotated further, and steel plate continues to cut direction transmission to crop；
S7218, controller using be arranged in 2 gratings of roller-way side close to crop cut first grating differentiate steel plate head
Whether reach the position of this grating, without arrival, continue executing with step S7217；
S7219, if differentiating in step S7218 that steel plate head has reached the first grating, controller controls crop to cut startup, and
Determine the time of cutting edge shearing；
S8, controller controls roller-way to be rotated further, and steel plate continues to cut direction transmission to crop on roller-way；
S9, differentiates whether the time of end shears cutting edge shearing arrives, if be less than, continues step S8；
S10, if differentiating in step S9 that end shears cutting edge shearing has timed out, roller-way stops operating, and steel plate stops transmission；
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 shearing method for optimizing it is characterised in that：
Industrial camera in described step S5 is mounted in the roller-way middle upper part that crop cuts porch.
3. steel plate head as claimed in claim 1 shearing method for optimizing it is characterised in that：
Head Breadth Maximum in described step S7212 refers to the irregularly shaped width that need to shear of steel plate head.
4. steel plate head as claimed in claim 1 shearing method for optimizing it is characterised in that：
Added value in described step S7215 is 2mm-5mm.
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| CN104511650B true CN104511650B (en) | 2017-02-22 |
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| CN115519402A (en) * | 2021-06-25 | 2022-12-27 | 宝山钢铁股份有限公司 | Control method for sampling and shearing of sample steel plate |
| CN114029544B (en) * | 2021-11-09 | 2023-05-16 | 广东韶钢松山股份有限公司 | Anti-jamming device and method for conveying chain of fixed-length scissors |
| CN114083051B (en) * | 2021-12-01 | 2024-06-14 | 太原科技大学 | Steel plate fixed-length shearing system and method based on line structured light |
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