CN109794640A - A kind of crutches point cutting method of mirror image thickening plate - Google Patents
A kind of crutches point cutting method of mirror image thickening plate Download PDFInfo
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- CN109794640A CN109794640A CN201910057007.XA CN201910057007A CN109794640A CN 109794640 A CN109794640 A CN 109794640A CN 201910057007 A CN201910057007 A CN 201910057007A CN 109794640 A CN109794640 A CN 109794640A
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- shearing
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Abstract
The invention discloses a kind of crutches point cutting methods of mirror image thickening plate, comprising the following steps: 1) inputs the authority data of every section of thickness of thickening plate and length in the operation interface of shearing property system, form mirror image on-gauge plate shape figure;2) using the two sides inflection point of two uniform thickness sections of the mirror alignment on mirror image on-gauge plate shape figure as setting inflection point;3) real time data of every section of thickness of shearing property system automatic collection thickening plate and length, and matched with mirror image on-gauge plate shape figure, accurately find out two inflection points of two uniform thickness paragraph two sides of mirror alignment on thickening plate;4) shearing property system calculates the length between two setting inflection points, using the intermediate point of the length as shearing point, and issues shearing instruction according to two setting inflection points.The present invention calculates two corner positions by the thickness of automatic collection, length real time data and standard criterion Data Matching automatically, then the middle position of two inflection points is calculated by operation, issues shearing instruction and completes shearing.
Description
Technical field
The present invention relates to the automatic shearing methods of mirror image Varying-thickness Automobile Plate, thicken more specifically to a kind of mirror image
The crutches point cutting method of plate.
Background technique
Thickening plate is the material of included thickness change special efficacy, is to implement flexible rolling by rolling mill to obtain.Such as Fig. 1 institute
Show, during the rolling process, by means of the pressure automatic gauge control system (hydraulic AGC) of rolling mill, controls the position of roll, make
Its spacing adjusts variation in real time, so that the thin plate rolled out be made to have what is customized in advance to thicken on along steel plate rolling direction
Degree distribution.
Thickening plate is with two major classes: non-coating thickening plate and coating Varying Thickness Plates (including used with aluminium silicon cladding drop stamping
Thickening plate).With higher and higher to automotive sheet requirement for anticorrosion, the use of non-coating thickening plate can be gradually reduced, and hot dip
The application demand of layer or the zinc-plated thickening plate of plating will increase.
Currently, thickening plate can be rolled by individual or coiled mode, the mode efficiency of coil rolling is higher, but
There are positioning requirements to subsequent shearing.The cold rolling Varying Thickness Plates automatic shearing as disclosed in 106270718 B of China Patent Publication No. CN
The equipment cut and the cutting method based on the equipment comprising following steps: calibrator is arranged before scissors, and in calibrator
Measuring motion is arranged before, and control device identifies the band by calibrator according to length tracking data, thickness measured value
Profile and judge the position of the band at scissors, while being compared with the setting profile of continuous variable thickness plate, determine to cut
The action moment of knife;Meanwhile also to the plate profile shear off, whether qualification judges control device, decision is that heap is put into
Finished product stacking or waste material stacking.
But above-mentioned thickening plate automatic shearing mode is to be identified by thickness measuring, survey length to thickening plate profile, is determined
Single inflection point clipped position, high to mill length required precision, equal mainly for the right and left thickness, thicken periodic symmetry
Plate shape is sheared.
But it differs when thickening plate plate shape left and right thickness, when period asymmetry, aforesaid way cannot be applicable in, it is necessary to rolled
Increase the transient period during system, and take in shear history and shear twice, this plate shape could be accurately cut out and.Cause
This, needs a kind of mode that can be improved stock utilization, shear efficiency and lumber recovery to shear such thickening plate.
Summary of the invention
In view of the above defects of the prior art, the object of the present invention is to provide a kind of crutches points of mirror image thickening plate
Cutting method passes through calibrator, thickness, length real time data and the standard criterion Data Matching of measurement roller acquisition, automatic operation
Two corner positions out, then the middle position of two inflection points is calculated by operation, it issues shearing instruction and completes shearing.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of crutches point cutting method of mirror image thickening plate, comprising the following steps:
1) authority data that every section of thickness of thickening plate and length are inputted in the operation interface of shearing property system, forms mirror
As on-gauge plate shape figure;
2) using the two sides inflection point of two uniform thickness sections of the mirror alignment on mirror image on-gauge plate shape figure as setting inflection point;
3) real time data of every section of thickness of shearing property system automatic collection thickening plate and length, and formed with step 1)
Mirror image on-gauge plate shape figure matched, two for accurately finding out two uniform thickness paragraph two sides of mirror alignment on thickening plate turn
Point;
4) shearing property system calculates the length between two setting inflection points according to two setting inflection points in step 2), with
The intermediate point of the length issues shearing instruction as shearing point, completes automatic shearing.
The thickness deviation of every section of the thickening plate is ± 0.05mm, and length tolerance is ± 2mm.
Shearing property system employed in the above-mentioned steps, comprising: upper volume trolley, the uncoiler, work set gradually
Set, conveyer belt and bunching device;
It is additionally provided with straightening roll on the conveyer belt, pinch roller, laser thickness gauge, measures roller and stops shearing machine;
Further include: it is subject to operation to receive data, and makes the control computer of instruction.
Input every section of thickness of thickening plate and the authority data of length, form mirror image on-gauge plate shape in the control computer
Figure, the laser thickness gauge, the thickness that measurement roller measures, length real time data, and reach computer and mirror image on-gauge plate shape
Figure is matched, and calculates two corner positions automatically by computer.
In the above technical solution, a kind of crutches point cutting method of mirror image thickening plate provided by the present invention also has
Have the following the utility model has the advantages that
1) crutches point cutting method of the present invention improves the efficiency and lumber recovery of thickening plate automatic shearing;
2) crutches point cutting method real-time data acquisition of the present invention, operation, matching, it is ensured that thickening plate shears dimensional accuracy;
3) crutches point cutting method of the present invention can be improved thickening plate stock utilization.
Detailed description of the invention
Fig. 1 is the schematic diagram for rolling thickening plate;
Fig. 2 is the site layout project figure of shearing property system in crutches point cutting method of the present invention;
Fig. 3 is that plate shape left and right thickness differs, the schematic diagram of inflection point on period asymmetric thickening plate;
Fig. 4 is the schematic diagram of thickening plate in crutches point cutting method embodiment one of the present invention;
Fig. 5 is the schematic diagram of thickening plate in crutches point cutting method embodiment two of the present invention;
Fig. 6 is the schematic diagram of thickening plate in crutches point cutting method embodiment three of the present invention.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 2 to Fig. 3, a kind of crutches point cutting method of mirror image thickening plate provided by the present invention, including
Following steps:
1) authority data that every section of thickness of thickening plate and length are inputted in the operation interface of shearing property system, forms mirror
As on-gauge plate shape figure;
2) using the two sides inflection point of two uniform thickness sections of the mirror alignment on mirror image on-gauge plate shape figure as setting inflection point;Such as figure
In 3, A point-D point is part one, and D point-H point is part two, and part one, two is mirror alignment, and C, E point are inflection point, and D point is shearing
Point;
3) real time data of every section of thickness of shearing property system automatic collection thickening plate and length, and formed with step 1)
Mirror image on-gauge plate shape figure matched, two for accurately finding out two uniform thickness paragraph two sides of mirror alignment on thickening plate turn
Point, as two inflection points of C, E;
4) shearing property system calculates the length between two setting inflection points, i.e., according to two setting inflection points in step 2)
For the length of C-E point, using the length divided by 2 gained intermediate point D as shearing point, and shearing instruction is issued, completes automatic shearing.
Preferably, the thickness deviation of every section of the thickening plate is ± 0.05mm, length tolerance is ± 2mm.
Preferably, the shearing property system, comprising: the upper volume trolley that sets gradually, uncoiler, loop, conveyer belt and
Bunching device;
As shown in Fig. 2, the conveyer belt is equipped with straightening roll 10, pinch roller 11, laser thickness gauge 12, measurement roller 13 and stops
Shearing machine 14;
Preferably, further include: computer.
Preferably, input every section of thickness of thickening plate and the authority data of length in the computer, form mirror image on-gauge plate
Shape figure, the laser thickness gauge 12, the thickness that measurement roller 13 measures, length real time data, and reach computer and mirror image mark
Quasi- plate shape figure is matched, and calculates two corner positions, as two inflection points of C, E automatically by computer.
Embodiment one
Incorporated by reference to shown in Fig. 4:
1) every section of thickness of 1.4-1.6-1.8-1.6-1.4*460*1730, length data are inputted into shearing property system operatio
Interface forms mirror image on-gauge plate shape figure;
2) inflection point 1, inflection point 2 are selected as setting inflection point;
3) shearing property system passes through laser thickness gauge 12, measurement 13 every section of thickness of automatic collection thickening plate of roller and length number
According to, and matched with mirror image on-gauge plate shape figure, Computing goes out the physical location of inflection point 1, inflection point 2;
4) shearing property system is according to setting inflection point, and the length for calculating inflection point 1 to inflection point 2 is 774mm, according to length
It is clipped position that 774mm, which takes the position median 387mm, completes automatic shearing.
It is demonstrated experimentally that this Automobile Plate shearing finished product that thickens, length accuracy is ± 2mm, and thickness tolerance is ± 0.06mm, plate
Type flatness is fine, meets the requirements of the standard.
Embodiment two
Incorporated by reference to shown in Fig. 5:
1) every section of thickness of 1.3-1.6-1.2-1.0-1.2-1.6-1.3*690*2020, length data are inputted into shearing property
System operatio interface forms mirror image on-gauge plate shape figure;
2) inflection point 3, inflection point 4 are selected as setting inflection point;
3) shearing property system passes through laser thickness gauge 12, measurement 13 every section of thickness of automatic collection thickening plate of roller and length number
According to, and matched with mirror image on-gauge plate shape figure, Computing goes out the physical location of inflection point 1, inflection point 2;
4) shearing property system is according to setting inflection point, and the length for calculating inflection point 1 to inflection point 2 is 1083mm, according to length
It is clipped position that 1083mm, which takes the position median 541.5mm, completes automatic shearing.
It is demonstrated experimentally that this Automobile Plate shearing finished product that thickens, length accuracy is ± 2mm, and thickness tolerance is ± 0.06mm, plate
Type flatness is fine, meets the requirements of the standard.
Embodiment three
Incorporated by reference to shown in Fig. 6:
1) every section of thickness of 2.5-1.8-2.5*480*2019.73, length data are inputted into shearing property system operatio interface,
Form mirror image on-gauge plate shape figure;
2) inflection point 5, inflection point 6 are selected as setting inflection point;
3) shearing property system passes through laser thickness gauge 12, measurement 13 every section of thickness of automatic collection thickening plate of roller and length number
According to, and matched with mirror image on-gauge plate shape figure, Computing goes out the physical location of inflection point 1, inflection point 2;
4) shearing property system is according to setting inflection point, and the length for calculating inflection point 1 to inflection point 2 is 525.4mm, according to length
It is clipped position that 525.4mm, which takes the position median 267.2mm, completes automatic shearing.
It is demonstrated experimentally that this Automobile Plate shearing finished product that thickens, length accuracy is ± 2mm, and thickness tolerance is ± 0.06mm, plate
Type flatness is fine, meets the requirements of the standard.
In conclusion crutches point cutting method of the present invention takes mirror alignment mode that material can be improved according to this plate shape feature
Expect utilization rate, cooperate crutches point location cut mode, shear efficiency can be improved and promotes lumber recovery.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (4)
1. a kind of crutches point cutting method of mirror image thickening plate, which comprises the following steps:
1) authority data that every section of thickness of thickening plate and length are inputted in the operation interface of shearing property system, forms mirror image mark
Quasi- plate shape figure;
2) using the two sides inflection point of two uniform thickness sections of the mirror alignment on mirror image on-gauge plate shape figure as setting inflection point;
3) real time data of every section of thickness of shearing property system automatic collection thickening plate and length, and the mirror with formation in step 1)
As on-gauge plate shape figure is matched, two inflection points of two uniform thickness paragraph two sides of mirror alignment on thickening plate are accurately found out;
4) shearing property system calculates the length between two setting inflection points, according to two setting inflection points in step 2) with the length
The intermediate point of degree issues shearing instruction as shearing point, completes automatic shearing.
2. a kind of crutches point cutting method of mirror image thickening plate as described in claim 1, it is characterised in that: the thickening plate is every
The thickness deviation of section is ± 0.05mm, and length tolerance is ± 2mm.
3. a kind of crutches point cutting method of mirror image thickening plate as described in claim 1, it is characterised in that: the above-mentioned steps
Employed in shearing property system, comprising: upper volume trolley, uncoiler, loop, conveyer belt and the bunching device set gradually;
It is additionally provided with straightening roll on the conveyer belt, pinch roller, laser thickness gauge, measures roller and stops shearing machine;
Further include: it is subject to operation to receive data, and makes the control computer of instruction.
4. a kind of crutches point cutting method of mirror image thickening plate as claimed in claim 3, it is characterised in that: the control calculates
Input every section of thickness of thickening plate and the authority data of length, form mirror image on-gauge plate shape figure, the laser thickness gauge, measurement in machine
The real time data of thickness, length that roller measures, and reach computer and matched with mirror image on-gauge plate shape figure, it is automatic by computer
Calculate two corner positions.
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CN201910057007.XA CN109794640B (en) | 2019-01-22 | 2019-01-22 | Double-turning-point shearing method for mirror image variable-thickness plate |
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CN201910057007.XA CN109794640B (en) | 2019-01-22 | 2019-01-22 | Double-turning-point shearing method for mirror image variable-thickness plate |
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CN104551538A (en) * | 2013-10-18 | 2015-04-29 | 沈阳东宝海星金属材料科技有限公司 | Differential thickness plate size-determined shearing manufacture method |
CN106270718A (en) * | 2015-05-20 | 2017-01-04 | 宝山钢铁股份有限公司 | The equipment of cold rolling Varying Thickness Plates automatic shearing and cutting method based on this equipment |
CN106391729A (en) * | 2016-11-04 | 2017-02-15 | 东北大学 | PLP strip fixed-length conveying measurement device and method |
CN108405612A (en) * | 2018-02-26 | 2018-08-17 | 中南大学 | A kind of rolling preparation method of the asymmetric two benches difference slab of high-performance |
DE102017003200A1 (en) * | 2017-04-01 | 2018-10-04 | GMT Gesellschaft für metallurgische Technologie- und Softwareentwicklung mbH | Method for producing plated round rods |
CN109108732A (en) * | 2018-08-09 | 2019-01-01 | 上海宝钢包装钢带有限公司 | The automatic laser positioning device and its localization method of thickening plate |
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CN104551538A (en) * | 2013-10-18 | 2015-04-29 | 沈阳东宝海星金属材料科技有限公司 | Differential thickness plate size-determined shearing manufacture method |
CN203541699U (en) * | 2013-11-15 | 2014-04-16 | 四川银河钢结构工程有限公司 | Plate shearing machine suitable for plates of different thicknesses and with notches |
CN106270718A (en) * | 2015-05-20 | 2017-01-04 | 宝山钢铁股份有限公司 | The equipment of cold rolling Varying Thickness Plates automatic shearing and cutting method based on this equipment |
CN106391729A (en) * | 2016-11-04 | 2017-02-15 | 东北大学 | PLP strip fixed-length conveying measurement device and method |
DE102017003200A1 (en) * | 2017-04-01 | 2018-10-04 | GMT Gesellschaft für metallurgische Technologie- und Softwareentwicklung mbH | Method for producing plated round rods |
CN108405612A (en) * | 2018-02-26 | 2018-08-17 | 中南大学 | A kind of rolling preparation method of the asymmetric two benches difference slab of high-performance |
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Address after: 191 Yuanhe Road, Yuepu Town, Baoshan District, Shanghai, 200941 Patentee after: Shanghai Baosteel New Material Technology Co., Ltd Address before: 191 Yuanhe Road, Yuepu Town, Baoshan District, Shanghai, 200941 Patentee before: SHANGHAI BAOSTEEL PACKAGING MATERIAL Co.,Ltd. |
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