CN114850879A - Method and device for shearing steel coil - Google Patents
Method and device for shearing steel coil Download PDFInfo
- Publication number
- CN114850879A CN114850879A CN202210496313.5A CN202210496313A CN114850879A CN 114850879 A CN114850879 A CN 114850879A CN 202210496313 A CN202210496313 A CN 202210496313A CN 114850879 A CN114850879 A CN 114850879A
- Authority
- CN
- China
- Prior art keywords
- shearing
- defect
- steel coil
- steel
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 230
- 239000010959 steel Substances 0.000 title claims abstract description 230
- 238000010008 shearing Methods 0.000 title claims abstract description 192
- 238000000034 method Methods 0.000 title claims abstract description 69
- 230000007547 defect Effects 0.000 claims abstract description 170
- 238000001514 detection method Methods 0.000 claims description 29
- 230000015654 memory Effects 0.000 claims description 22
- 238000004590 computer program Methods 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 239000002436 steel type Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 31
- 239000000463 material Substances 0.000 description 16
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- RMLPZKRPSQVRAB-UHFFFAOYSA-N tris(3-methylphenyl) phosphate Chemical compound CC1=CC=CC(OP(=O)(OC=2C=C(C)C=CC=2)OC=2C=C(C)C=CC=2)=C1 RMLPZKRPSQVRAB-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Metal Rolling (AREA)
Abstract
The application relates to the technical field of steel technology, and provides a method and a device for shearing a steel coil, wherein the method comprises the following steps: receiving configuration data input by a user, wherein the configuration data is used for indicating the shearing requirement of the steel coil; determining a first shearing area of the steel coil according to the configuration data; receiving defect position data, wherein the defect position data is used for indicating the position of the surface defect of the steel coil after being straightened by the straightening machine; determining a second cropped region according to the defect position data when the defect position data indicates that the surface defect is located within the first cropped region, wherein the shape of the second cropped region is the same as the shape of the first cropped region and the second cropped region does not contain the surface defect; controlling the flying shears to shear the steel coil according to the second shearing area; or when the defect position data indicate that the surface defect is positioned outside the first shearing area, controlling the flying shears to shear the steel coil according to the first shearing area. The method and the device can improve the main technical indexes such as yield and the like.
Description
Technical Field
The application belongs to the technical field of steel technology, and particularly relates to a method and a device for shearing a steel coil.
Background
With the increasing strength requirements of users on steel, the heat treatment process is developing. At present, the strength of the strip steel can be improved by 800 megapascals (MPa) or more by a controlled cooling and rolling Technology (TMCP) and a new generation of controlled cooling and rolling technology (NG-TMCP). However, the steel coil is often defective due to various factors in the hot rolling process: narrow width, poor thickness, foreign matter indentation, scratching, rolling, wave shape, and the like. After taking the high-strength steel coil, a user needs to open and level the steel strip and cut the steel strip into a steel plate with the required length. The defects can also enter the steel plate through cutting, and bring the defects into the next procedure, thereby seriously influencing the main technical indexes such as yield and the like.
Disclosure of Invention
The application aims to provide a method and a device for shearing a steel coil, which can improve the main technical indexes such as yield and the like.
In a first aspect, a method for shearing a steel coil is provided, which includes:
receiving configuration data input by a user, wherein the configuration data is used for indicating the shearing requirement of a steel coil;
determining a first shearing area of the steel coil according to the configuration data;
receiving defect position data, wherein the defect position data is used for indicating the position of the surface defect of the steel coil after being straightened by the straightening machine;
determining a second cropped region from the defect location data when the defect location data indicates that the surface defect is within the first cropped region, wherein the second cropped region has the same shape as the first cropped region and does not include the surface defect; controlling a flying shear to shear the steel coil according to the second shearing area; alternatively, the first and second electrodes may be,
and when the defect position data indicate that the surface defect is positioned outside the first shearing area, controlling a flying shear to shear the steel coil according to the first shearing area.
The above method may be performed by a controller integrated with the shearing apparatus or a controller independent of the shearing apparatus. The controller receives configuration data input by a user, the configuration data being used for indicating the cutting requirement of the steel coil, and determines the cutting area of the steel coil according to the configuration data. The controller receives defect position data which is used for indicating the position of the surface defect of the steel coil after being straightened by the straightening machine. When the defect position data indicates that the surface defect is located in the first cutting area, if the first cutting area is cut, the surface defect is brought into the next process, and the technical indexes such as yield and the like are seriously influenced. After the second shearing area is determined according to the defect position data, the flying shear can shear a steel plate which meets the shearing requirement of a user and does not contain surface defects because the second shearing area has the same shape as the first shearing area. When the defect position data indicate that the surface defect is located outside the first shearing area, it is indicated that the steel plate obtained by shearing the first shearing area meets the technical requirements, and the flying shears can be controlled to shear the steel coil according to the first shearing area. Compared with the conventional steel coil shearing method which cannot identify and shear the surface defects, the method provided by the application can enable shearing equipment to conveniently detect the position data of the surface defects, effectively adjust the shearing area, enable the surface defects to be sheared by flying shears, and enable the produced steel plate to meet the user requirements, thereby improving the technical indexes such as yield and the like.
Optionally, the determining a second clipping region according to the defect location data includes:
determining a distance between the surface defect and an edge of the first cropped area according to the defect position data;
determining the second shearing area according to the distance between the surface defect and the edge of the first shearing area, wherein the distance between the edge of the second shearing area and the edge of the first shearing area is greater than the distance between the surface defect and the edge of the first shearing area, the edge of the first shearing area is one end of the first shearing area close to the initial position of the steel coil, and the edge of the second shearing area is one end of the second shearing area close to the initial position of the steel coil.
For example, the distance between the surface defect and the side a of the first cut region is 200 millimeters (mm), the maximum size of the surface defect is 10mm, and the controller may set the side a '(the side corresponding to the side a) of the second cut region to a position 210mm away from the side a when determining the second cut region, so that the surface defect may be avoided, and a steel plate meeting the user's requirement may be cut.
Optionally, the method further comprises: receiving defect type data, the defect location data indicating a type of the surface defect; the determining a second cropped area according to the defect location data further comprises: and determining the second cut region according to the defect position data and the defect type data, wherein when the type of the surface defect is a pit, the distance between the edge of the second cut region and the edge of the first cut region is a first distance, and when the type of the surface defect is an inclusion, the distance between the edge of the second cut region and the edge of the first cut region is a second distance which is greater than the first distance.
Sunken can not influence sunken peripheral inner structure, mix with and can influence the peripheral inner structure of mixing with usually, consequently, when surface defect for mixing with, confirm the edge of second shear zone in the place farther from the edge of first shear zone, can avoid mixing with the influence to the steel sheet that obtains after the shearing.
For example, the production steel grade is Q335B, the surface defect is a dimple, the maximum size of the dimple is 1500mm, the distance of the surface defect from the side a of the first sheared area is 1500mm, and the controller may set the side a' of the second sheared area (the side corresponding to the side a) at a position 3050mm from the side a when determining the second sheared area; the surface defect is an inclusion, and the maximum size of the inclusion is 1500mm, the controller sets the side a' (the side corresponding to the side a) of the second cutout region at a position 3100mm from the side a. The minimum precision of the shearing machine is 5mm, the distance between A and A 'is larger than the sum of 5mm and the maximum size of the surface defect, and in addition, the distance between A and A' is not suitable to be too large in order to avoid too low comprehensive yield.
Optionally, the straightening machine comprises a fine straightening machine, and the receiving defect position data comprises:
and receiving the defect position data from a surface detector, wherein the surface detector is positioned at the steel coil output position of the fine straightening machine.
After the steel coil is processed by the rough straightening machine, the steel coil still needs to be processed by the fine straightening machine, and the steel coil can deform when being processed by the fine straightening machine, so that the position of the surface defect is changed. The steel coil processed by the fine straightening machine does not deform any more, so that the surface detector is arranged at the output position of the steel coil of the fine straightening machine, and accurate defect position data can be obtained.
Optionally, the defect location data includes: the shape, size and unevenness of the surface defects.
Optionally, the configuration data includes: steel type, specification, hot rolling process quality condition, whether to cut edge and the amount of cut edge, length to length, quality standard and non-scale requirement.
Optionally, receiving detection data of the steel obtained after the steel coil is sheared by the flying shear; determining whether the steel is qualified or not according to the configuration data and the detection data; and when the steel is unqualified, playing prompt information for prompting the unqualified steel.
Optionally, the inspection data includes a size, a wave shape, a width, and unevenness of the steel material.
And when the difference between the detection data and the configuration data of the steel obtained after shearing exceeds the technical standard, judging that the steel is unqualified, and playing prompt information for prompting that the steel is unqualified. Therefore, the embodiment can detect the unqualified steel while shearing the surface defects, thereby improving the production efficiency.
In a second aspect, there is provided an apparatus for shearing a coil of steel comprising means for performing any one of the methods of the first aspect.
In a third aspect, a computer-readable medium is provided, the computer-readable medium storing program code comprising instructions for performing any of the methods of the first aspect.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a shearing apparatus for shearing a steel coil according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a method for shearing a steel coil according to an embodiment of the present application;
fig. 3 is a schematic view of a first cut region of a cut steel coil according to an embodiment of the present application;
fig. 4 is a schematic view of a second cutting region for cutting a steel coil according to an embodiment of the present application
FIG. 5 is a schematic view of a process for shearing a steel coil according to another embodiment of the present application;
fig. 6 is a schematic view of a shearing apparatus for shearing a steel coil according to another embodiment of the present application;
fig. 7 is a schematic view of an apparatus for shearing a steel coil according to an embodiment of the present application;
fig. 8 is a schematic view of an apparatus for shearing a steel coil according to an embodiment of the present application;
wherein, in the figures, the respective reference numerals:
100. a controller;
200. a coarse straightening device; 201. a straightening roll;
300. a fine straightening device; 301. a first straightening roll; 302. a second straightening roll; 303. a third straightening roll; 304. a fourth straightening roll;
400. flying shears;
500. a detection device; 501. a high-definition meter detector;
700. a device for shearing a steel coil; 701. a receiving module; 702. a control module;
800. a terminal device or a computer or a chip; 801. a processor; 802. a memory; 803. instructions; 804. carrying out a procedure; 805. and a receiving unit.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
The method for shearing the steel coil provided by the embodiment of the application can be applied to the shearing equipment for shearing the steel coil, and the embodiment does not limit the specific type of the terminal equipment. For example, the shearing apparatus may be an apparatus for shearing hot rolled strip.
The present application will now be described in further detail with reference to the accompanying drawings and specific examples.
In recent years, various infrastructure constructions have been increasingly demanding on steel materials, which are susceptible to structural and manufacturing processes and to various surface defects such as cracks, inclusions, patches, scratches, etc., which greatly affect the quality of the steel materials. Therefore, reduction of defects in steel materials is becoming more and more important for public safety.
Fig. 1 shows a shearing apparatus for shearing a steel coil provided by the present application, which can be used for shearing qualified steel to enable a user to obtain a suitable steel. The shearing apparatus includes a controller 100, a rough straightening device 200 (may also be referred to as a rough straightener), a fine straightening device 300 (may also be referred to as a fine straightener), a flying shear 400, and a detection device 500.
The controller 100 is configured to receive configuration data input by a user and set a cropping zone. For example, if a user needs to cut a rectangular steel plate having a size of 1000mm × 2000mm, configuration data of "1000 mm × 2000 mm" may be input to the controller 100 through a keyboard or a touch panel.
The rough straightening device 200 can straighten the bending of the steel coil, and in the rough straightening device 200, the straightening roller 201 is a straightening roller and is used for extruding and straightening the steel coil, so that the surface of the steel coil is leveled, and the large waves on the surface of the steel coil are removed.
The fine straightening device 300 can further straighten the steel coil straightened by the coarse straightening device 200, the fine straightening device 300 comprises a first straightening roller 301, a second straightening roller 302, a third straightening roller 303 and a fourth straightening roller 304, and the diameters of the first straightening roller 301, the second straightening roller 302, the third straightening roller 303 and the fourth straightening roller 304 are all different, so that the smaller wave shape on the steel coil can be removed.
The flying shear 400 can shear a steel coil into a steel material according to the shearing area, and the detection device 500 can detect the steel material obtained after the steel coil is sheared by the flying shear through the high-definition meter inspection instrument 501, obtain detection data and determine whether the sheared steel material meets the requirements of users.
Surface defects such as surface scratches may exist on the surface of the steel coil, and in the shearing process, if the surface defects are not treated, the sheared steel cannot meet the requirements of users.
As shown in fig. 1, after the steel coil is fed into the rough straightening device 200, the curved surface is primarily straightened; subsequently, the fine straightening device 300 further straightens the surface of the steel coil. As shown in fig. 1, when the flying shear 400 shears the steel coil according to the configuration data input by the user, the steel coil obtained after shearing has a surface defect, which negatively affects the main technical indexes such as yield.
The present application provides a method of shearing a steel coil that overcomes the above-mentioned problems. The method for shearing a steel coil provided by the present application is described below. The method may be performed by the cutting apparatus or by the controller 100 in the cutting apparatus, and the specific type of cutting apparatus for performing the method is not limited in this application.
As shown in fig. 2, the method includes:
s601, receiving configuration data input by a user, wherein the configuration data is used for indicating the shearing requirement of the steel coil.
The configuration data is data of the steel product required by the user. The configuration data can be used for comparing detection data of steel obtained after the flying shear shears the steel coil to determine whether the steel is qualified. At the same time, the configuration data is used to indicate the implementation of subsequent steps, such as indicating the flying shear cutting position.
Optionally, the configuration data may be used to determine whether the steel material is qualified by comparing the detection data of the steel material obtained after the flying shear shears the steel coil, where the configuration data includes: steel type, specification, hot rolling process quality condition, whether to cut edge and the amount of cut edge, length to length, quality standard and non-scale requirement.
S602, determining a first shearing area of the steel coil according to the configuration data.
And after the shearing equipment determines the head cutting position according to the specification and the trimming amount of the steel coil in the configuration data, setting the head cutting position as a head end, and setting the flying shear shearing position with the distance from the head cutting position as a fixed length as a tail end, wherein the head end and the tail end form a first shearing area. And the shearing position of the subsequent flying shear is set to be a fixed length away from the shearing position of the previous flying shear.
As an alternative example, as shown in fig. 3, the length of the steel coil is Y, the trimming amount is Y1, the fixed length is X1, the non-length requirement is not less than X2, after the shearing device sets the position at a distance of Y1 from the start position of the steel coil as the head position, the shearing device sets the flying shear shearing position at a distance of X1 from the head position as the tail end, and the head end and the tail end form the first shearing area.
The other shearing areas are the same as the first shearing area in size and shape, namely, the shearing positions of the subsequent flying shears are set to be a fixed length away from the shearing position of the previous flying shear. For example, if the length of the steel coil is 650 meters, the trimming amount is 30mm, and the length of the fixed length is 6 meters, the shearing device sets a position 30mm away from the start position of the steel coil as the head cutting position, sets a flying shear shearing position 6 meters away from the head cutting position as the head cutting position, and sets the flying shear shearing position as the tail end, where the head cutting position and the tail end form a first shearing area, and the subsequent flying shear shearing positions are all set 6 meters away from the previous flying shear shearing position.
S603, receiving defect position data, wherein the defect position data is used for indicating the position of the surface defect of the steel coil straightened by the straightening machine.
The straightening machine can straighten the bending of the steel coil per se through pressure and can reduce the wave shape of the steel coil to a certain extent, thereby eliminating surface scratches generated when the steel coil is not in operation on a unit due to the shape of the steel coil, ensuring that the head and the tail shearing sections of the steel are straight, being beneficial to welding and finishing, and ensuring the edge shearing and coiling quality. The defect position data is the distance between the surface defect and the initial position of the steel coil, and is used for indicating the concrete implementation of the subsequent steps, such as determining the second shearing area and setting the shearing position of the flying shear.
Optionally, the straightening machine includes a fine straightening machine, and the receiving the defect position data includes: receiving the defect position data from a surface detector, wherein the surface detector is positioned at a steel coil output position of the fine straightening machine; the defect position data includes: the shape, size and unevenness of the surface defects.
The surface detector can be an upper surface detector and a lower surface detector, and the upper surface detector and the lower surface detector can detect the tiny surface defects of the upper surface and the lower surface of a steel coil during high-speed rolling, so that the quality and the production efficiency of steel products are effectively improved.
S604, when the defect position data indicate that the surface defect is located in the first cut region, determining a second cut region according to the defect position data, wherein the shape of the second cut region is the same as that of the first cut region, and the second cut region does not contain the surface defect; controlling a flying shear to shear the steel coil according to the second shearing area; or when the defect position data indicate that the surface defect is located outside the first shearing area, controlling a flying shear to shear the steel coil according to the first shearing area.
When the distance between the defect and the initial position of the steel coil is greater than the distance between the edge of the first shearing area and the initial position of the steel coil and is less than the distance between the tail end of the first shearing area and the initial position of the steel coil, the defect is located in the first shearing area. In this case, if the shearing apparatus shears according to the first shearing region, the defects are sheared into the steel material, so it is necessary to remove the surface defects by shearing. The shearing equipment can determine a second shearing area by resetting the shearing position of the flying shear, and the second shearing area is free of defects, so that the purpose of removing surface defects is achieved. And when the distance between the defect and the initial position of the steel coil is greater than the distance between the tail end of the first shearing area and the initial position of the steel coil, the defect is positioned outside the first shearing area. In this case, the produced steel does not have defects, so the flying shears are controlled to shear the steel coil according to the first shearing region.
For example, when the defect position data is 1000mm, the defect position data indicates that the distance between the surface defect and the start position of the steel coil is 1000mm, and the distance between the edge of the first cutting region and the start position of the steel coil is 900mm, which indicates that the surface defect is located in the first cutting region, at this time, the cutting device sets the distance between the edge of the second cutting region and the start position of the steel coil to be 1000mm, and the distance between the edge of the second cutting region and the edge of the first cutting region is greater than the distance between the surface defect and the edge of the first cutting region.
Optionally, the determining a second clipping region according to the defect location data includes: determining a distance between the surface defect and an edge of the first cropped area according to the defect position data; and determining the second cutting area according to the distance between the surface defect and the edge of the first cutting area, wherein the distance between the edge of the second cutting area and the edge of the first cutting area is greater than or equal to the distance between the surface defect and the edge of the first cutting area.
And subtracting the distance between the edge of the first shearing area and the initial position of the steel coil from the distance between the surface defect and the initial position of the steel coil to obtain the distance between the surface defect and the edge of the first shearing area. The shearing device sets the distance between the edge of the second shearing area and the edge of the first shearing area to be larger than or equal to the distance between the surface defect and the edge of the first shearing area, and sets the tail end of the second shearing area to be a fixed length from the head end of the second shearing area.
As an alternative example, as shown in fig. 4, the distance between the surface defect and the start position of the steel coil is S1, the distance between the edge of the first cutting area and the start position of the steel coil is S2, and the length of the cut-to-length steel coil is L1. The distance S1 between the surface defect and the starting position of the steel coil is subtracted by the distance S2 between the edge of the first sheared area and the starting position of the steel coil to obtain the distance S1-S2 between the surface defect and the edge of the first sheared area. The clipping device sets the distance between the edge of the second clipping region and the edge of the first clipping region to be S1 to S2, and the shape of the second clipping region is the same as the shape of the first clipping region.
For example, the surface defect is 120 meters (m) from the start position of the steel coil, and the edge of the first sheared area is 118m from the start position of the steel coil. The shearing equipment sets the distance between the edge of the second shearing area and the edge of the first shearing area to be 2m, the distance between the edge of the second shearing area and the initial position of the steel coil to be 120m, and the shape of the second shearing area is the same as that of the first shearing area.
Optionally, receiving detection data of the steel obtained after the steel coil is sheared by the flying shear; determining whether the steel is qualified or not according to the configuration data and the detection data; when the steel is unqualified, playing prompt information for prompting the unqualified steel; the detection data includes the size, wave shape, width and unevenness of the steel material.
And the shearing equipment compares the configuration data with the detection data, if the detection data accords with the configuration data, the steel is judged to be qualified, if the detection data does not accord with the configuration data range, the steel is judged to be unqualified, and meanwhile prompt information that the steel is unqualified is played.
As an alternative example, the fixed length D1-D2, the wave shape H1-H2, the width P1-P2 and the unevenness O1-O2 of the steel in the data are configured, and the length D3, the wave shape H3 and the width P3 unevenness O3 of the steel in the data are detected. And if any parameter in the detection data does not conform to the corresponding parameter in the configuration data, judging that the steel is unqualified, and simultaneously playing prompt information of the unqualified steel. For example, the length of the steel material in the configuration data is 9-9.10 m, the wave shape is 0-1.5mm, the width is 1500-1510mm, and the unevenness is 0-30 mm. The size of the steel in the detection data is 8.99 meters, the wave shape is 1.3mm, the width is 1507mm, and the unevenness is 6 mm. Because the size of the steel in the detection data is not in the size range of the steel with the configuration data, the shearing equipment judges that the steel is unqualified, and simultaneously prompts that the steel is unqualified by voice.
For ease of understanding, the overall flow of the method for shearing a steel coil provided by the present application is exemplified below with reference to fig. 5.
Thereby the thick orthotic devices 200 among the shearing equipment extrudees the coil of strip through straightener roll 201 and straightens, straightens the coil of strip surface, gets rid of the wave shape on coil of strip surface, and the smart orthotic devices 300 includes first straightener roll 301, second straightener roll 302, third straightener roll 303, fourth straightener roll 304, and first straightener roll 301, second straightener roll 302, third straightener roll 303, the diameter that fourth straightener roll 304 all differs is different, consequently can get rid of the littleer wave shape on the coil of strip.
The shearing equipment sets a trimming amount of the cropping position to be away from the initial position of the steel coil according to the configuration data, the cropping position is set as a head end, the position away from the fixed length with the cropping position is set as a tail end, the head end and the tail end form a first shearing area, and the shape of the subsequent shearing area is the same as that of the first shearing area.
The surface detector on the fine straightening device 300 can detect the surface defect on the steel coil and generate defect position data according to the distance between the surface defect and the initial position of the steel coil.
When the distance between the surface defect and the initial position of the steel coil is smaller than the distance between the head end of the first shearing area and the initial position of the steel coil, the surface defect is positioned outside the first shearing area.
The flying shear apparatus 400 shears the steel coil according to the shearing area set by the shearing device.
When the distance between the surface defect and the initial position of the steel coil is greater than the distance between the head end of the first shearing area and the initial position of the steel coil and is less than the distance between the tail end of the first shearing area and the initial position of the steel coil, the surface defect is positioned in the first shearing area, the shearing area needs to be reset at the moment to shear the surface defect, otherwise, the produced steel has the surface defect. And subtracting the distance between the head end of the first shearing area and the initial position of the steel coil from the distance between the surface defect and the initial position of the steel coil to obtain the distance between the surface defect and the head end of the first shearing area. The shearing equipment sets that the distance between the head end of the second shearing area and the initial position of the steel coil is larger than or equal to the distance between the surface defect and the initial position of the steel coil, and the shape of the second shearing area is the same as that of the first shearing area.
The flying shear apparatus 400 shears the steel coil into a steel material according to the shearing zone set by the shearing device, and the steel material thus produced has no surface defects.
In the detection apparatus 500, a high-definition meter 501 detects detection data such as the length, the wave shape, the unevenness, the width and the like of the steel material obtained by receiving the cut steel coil. And comparing the detection data with the configuration data, judging that the steel is unqualified when the detection data is not accordant with the configuration data, and playing prompt information for prompting that the steel is unqualified.
Fig. 6 is a flow chart of the steel coil shearing device shearing the steel coil after applying the method provided by the present application. The shearing apparatus includes a controller 100, a rough straightening device 200 (may also be referred to as a rough straightener), a fine straightening device 300 (may also be referred to as a fine straightener), a flying shear 400, and a detection device 500.
The controller 100 is configured to receive configuration data input by a user, set a reasonable clipping region, and clip out the surface defect.
For example, if a user needs to cut a rectangular steel plate having a size of 1000mm × 2000mm, configuration data of "1000 mm × 2000 mm" may be input to the controller 100 through a keyboard or a touch panel.
The rough straightening device 200 can straighten the bending of the steel coil, and in the rough straightening device 200, the straightening roller 201 is a straightening roller and is used for extruding and straightening the steel coil, so that the surface of the steel coil is leveled, and the large waves on the surface of the steel coil are removed.
The fine straightening device 300 can further straighten the steel coil straightened by the coarse straightening device 200, the fine straightening device 300 comprises a first straightening roller 301, a second straightening roller 302, a third straightening roller 303 and a fourth straightening roller 304, and the diameters of the first straightening roller 301, the second straightening roller 302, the third straightening roller 303 and the fourth straightening roller 304 are all different, so that a smaller wave shape on the steel coil can be removed. The surface detector on the finishing device 300 can detect the surface defect and acquire the received defect location data, i.e., the distance between the surface defect and the starting position of the steel coil. The defect position data can be used to set a cropping zone to crop out the surface defects.
For example, the distance between the surface defect and the initial position of the steel coil is 1000mm, the maximum size of the surface defect is 10mm, the distance between the head end of the first shearing area and the initial position of the steel coil is 900mm, the distance between the tail end of the first shearing area and the head end of the first shearing area is 600mm, the surface defect is located in the first shearing area, the distance between the head end of the second shearing area and the initial position of the steel coil is 1010mm, the shape of the second shearing area is the same as that of the first shearing area, the distance between the tail end of the second shearing area and the head end of the second shearing area is 600mm, and the surface defect can be sheared by setting the second shearing area.
The flying shear 400 may shear the coil of steel into a steel material according to the second shearing area, as shown in fig. 6 where the coil of steel is at the flying shear 400, the portion containing the surface defect is sheared off, and the remaining portion enters the detection device 500.
The detection device 500 can detect the steel obtained after the flying shear shears shear the steel coil through the high-definition meter detection instrument 501, obtain detection data and determine whether the sheared steel meets the requirements of users.
Compared with the method for shearing the steel coil shown in fig. 1, the method shown in fig. 6 enables the shearing equipment to detect the position data of the surface defect, effectively adjusts the shearing area, enables the surface defect to be sheared by the flying shear, and enables the produced steel plate to meet the requirements of users, thereby improving the technical indexes such as yield and the like.
The method can be applied to other application scenarios needing shearing processing besides the shearing of steel, for example, the shearing processing of wooden products needing smooth surfaces, and the application scenario of the shearing processing is not particularly limited.
An example of the method of shearing a steel coil provided by the present application is described above in detail. It is understood that the corresponding apparatus contains hardware structures and/or software modules corresponding to the respective functions for implementing the functions described above. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The functional units of the device for shearing the steel coil can be divided according to the method, for example, each function can be divided into each functional unit, or two or more functions can be integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the units in the present application is schematic, and is only one division of logic functions, and there may be another division manner in actual implementation.
Fig. 7 is a schematic structural diagram of an apparatus 700 for shearing a steel coil according to the present application. The apparatus 700 includes a receiving module 701 and a control module 702.
The receiving module 701 is configured to: receiving configuration data input by a user, wherein the configuration data is used for indicating the shearing requirement of a steel coil; and receiving defect position data, wherein the defect position data is used for indicating the position of the surface defect of the steel coil after being straightened by the straightening machine.
The control module 702 is configured to: determining a first shearing area of the steel coil according to the configuration data; determining a second cropped region from the defect location data when the defect location data indicates that the surface defect is within the first cropped region, wherein the second cropped region has the same shape as the first cropped region and does not include the surface defect; controlling a flying shear to shear the steel coil according to the second shearing area; or when the defect position data indicate that the surface defect is located outside the first shearing area, controlling a flying shear to shear the steel coil according to the first shearing area.
The specific manner in which the apparatus 700 performs the method of shearing a steel coil and the resulting beneficial effects can be seen in the associated description of the method embodiments.
Fig. 8 is a schematic view illustrating an apparatus for a method of shearing a steel coil according to the present application. The dashed lines in fig. 8 indicate that the unit or the module is optional. The apparatus 800 may be used to implement the methods described in the method embodiments above. The device 800 may be a terminal device or a computer or a chip.
The apparatus 800 includes one or more processors 801 that may enable the apparatus 800 to implement the method in the method embodiments corresponding to fig. 2. The processor 801 may be a general purpose processor or a special purpose processor. For example, the processor may be a Central Processing Unit (CPU). The CPU may be used to control the device, execute software programs, and process data of the software programs. The device may comprise a receiving unit 805 to receive to enable reception of data.
For example, the device 800 may be a chip, and the receiving unit 805 may be a data interface of the chip, which may be an integral part of the terminal device.
The apparatus may comprise one or more memories 802 on which programs 804 are stored, the programs being executable by the processor 801 to generate instructions 803, such that the processor 801 performs the methods described in the above method embodiments in accordance with the instructions 803. Optionally, the memory 802 may also store data (such as an ID of the chip to be tested). Alternatively, processor 801 may also read data stored in memory, where the data may be stored at the same memory address as program 804, or the data may be stored at a different memory address than program 804.
The processor 801 and the memory 802 may be provided separately or integrated together, for example, on a System On Chip (SOC) of the terminal device.
The specific manner of the method for the processor 801 to perform the chip test may be referred to the related description in the method embodiment.
It should be understood that the steps of the above-described method embodiments may be performed by logic circuits in the form of hardware or instructions in the form of software in the processor 801. The processor 801 may be a CPU, Digital Signal Processor (DSP), Field Programmable Gate Array (FPGA), or other programmable logic device, such as discrete gates, transistor logic, or discrete hardware components.
The application also provides a computer program product which, when executed by the processor 801, implements the method according to any of the method embodiments of the application.
The computer program product may be stored in the memory 802, for example, as a program 804, and the program 804 may be pre-processed, compiled, assembled, and linked to obtain an executable object file capable of being executed by the processor 801.
The present application also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a computer, implements the method of any of the method embodiments of the present application. The computer program may be a high-level language program or an executable object program.
Such as memory 802. The memory 802 can be either volatile memory or nonvolatile memory, or the memory 802 can include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM, enhanced SDRAM, SLDRAM, Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DRRAM).
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes and the generated technical effects of the above-described apparatuses and devices may refer to the corresponding processes and technical effects in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, the disclosed system, apparatus and method can be implemented in other ways. For example, some features of the method embodiments described above may be omitted, or not performed. The above-described embodiments of the apparatus are merely exemplary, the division of the unit is only one logical function division, and there may be other division ways in actual implementation, and a plurality of units or components may be combined or integrated into another system. In addition, the coupling between the units or the coupling between the components may be direct coupling or indirect coupling, and the coupling includes electrical, mechanical or other connections.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same. Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described embodiments, or equivalents may be substituted for some of the features of the embodiments, and such modifications or substitutions are not to be construed as essential to the spirit and scope of the embodiments of the present invention.
Claims (10)
1. A method of shearing a steel coil, comprising:
receiving configuration data input by a user, wherein the configuration data is used for indicating the shearing requirement of a steel coil;
determining a first shearing area of the steel coil according to the configuration data;
receiving defect position data, wherein the defect position data is used for indicating the position of the surface defect of the steel coil after being straightened by the straightening machine;
determining a second cropped region from the defect location data when the defect location data indicates that the surface defect is within the first cropped region, wherein the second cropped region has the same shape as the first cropped region and does not include the surface defect; controlling a flying shear to shear the steel coil according to the second shearing area; alternatively, the first and second electrodes may be,
and when the defect position data indicate that the surface defects are positioned outside the first shearing area, controlling a flying shear to shear the steel coil according to the first shearing area.
2. The method of claim 1, wherein determining a second cropped area from the defect location data comprises:
determining a distance between the surface defect and an edge of the first cropped area according to the defect position data;
determining the second shearing area according to the distance between the surface defect and the edge of the first shearing area, wherein the distance between the edge of the second shearing area and the edge of the first shearing area is greater than the distance between the surface defect and the edge of the first shearing area, the edge of the first shearing area is one end of the first shearing area close to the initial position of the steel coil, and the edge of the second shearing area is one end of the second shearing area close to the initial position of the steel coil.
3. The method of claim 2,
the method further comprises the following steps:
receiving defect type data, the defect location data indicating a type of the surface defect;
the determining a second cropped area according to the defect location data further comprises:
determining the second clipping region according to the defect position data and the defect type data, wherein when the type of the surface defect is a recess, the distance between the edge of the second clipping region and the edge of the first clipping region is a first distance, and when the type of the surface defect is an inclusion, the distance between the edge of the second clipping region and the edge of the first clipping region is a second distance which is greater than the first distance.
4. A method according to any one of claims 1 to 3, wherein the straightening machine comprises a fine straightening machine, and the receiving the defect position data comprises:
and receiving the surface defect position data from a surface detector, wherein the surface detector is positioned at the steel coil output position of the fine straightening machine, and the defect position data comprises the distance between the surface defect and the initial position of the steel coil.
5. A method according to any one of claims 1 to 3, wherein the defect location data comprises: the shape, size and unevenness of the surface defects.
6. A method according to any of claims 1 to 3, wherein the configuration data comprises:
steel type, specification, hot rolling process quality condition, whether to cut edge and the amount of cut edge, length to length, quality standard and non-scale requirement.
7. The method according to any one of claims 1 to 3, further comprising:
receiving detection data of steel obtained after the steel coil is sheared by the flying shears;
determining whether the steel is qualified or not according to the configuration data and the detection data;
and when the steel is unqualified, playing prompt information for prompting the unqualified steel.
8. The method of claim 7, wherein said inspection data includes dimensions, undulations and unevenness of said steel.
9. An apparatus for shearing a steel coil, comprising a processor and a memory, the processor and the memory being coupled, the memory for storing a computer program which, when executed by the processor, causes the apparatus to perform the method of any one of claims 1 to 8.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, causes an apparatus comprising the processor to perform the method of any of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210496313.5A CN114850879A (en) | 2022-05-09 | 2022-05-09 | Method and device for shearing steel coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210496313.5A CN114850879A (en) | 2022-05-09 | 2022-05-09 | Method and device for shearing steel coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114850879A true CN114850879A (en) | 2022-08-05 |
Family
ID=82636756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210496313.5A Pending CN114850879A (en) | 2022-05-09 | 2022-05-09 | Method and device for shearing steel coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114850879A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560123A (en) * | 1967-07-06 | 1971-02-02 | Yawata Iron & Steel Co | Method and apparatus for automatically shearing metal plates by supersonic flaw detection |
| CN1597166A (en) * | 2003-09-15 | 2005-03-23 | 布拉德伯里有限公司 | Methods and apparatus for monitoring and conditioning strip material |
| CN101097441A (en) * | 2006-06-27 | 2008-01-02 | 宝山钢铁股份有限公司 | On-line optimizing shearing method of roller milling large plate |
| CN102078890A (en) * | 2010-11-17 | 2011-06-01 | 马鞍山钢铁股份有限公司 | Hot rolled steel coil transversely shearing line online flaw detecting device and method |
| CN106312179A (en) * | 2015-06-19 | 2017-01-11 | 宝山钢铁股份有限公司 | Online optimal shearing method for defective steel plates |
| CN108817091A (en) * | 2018-06-15 | 2018-11-16 | 河钢股份有限公司 | A kind of device and its sub-cut method of online sub-cut defect strip |
| CN110142451A (en) * | 2019-06-13 | 2019-08-20 | 首钢京唐钢铁联合有限责任公司 | A kind of adaptive flying shear position control method and device based on sheared length |
| CN111445441A (en) * | 2020-03-03 | 2020-07-24 | 首钢京唐钢铁联合有限责任公司 | Strip steel head defect processing method and device |
-
2022
- 2022-05-09 CN CN202210496313.5A patent/CN114850879A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560123A (en) * | 1967-07-06 | 1971-02-02 | Yawata Iron & Steel Co | Method and apparatus for automatically shearing metal plates by supersonic flaw detection |
| CN1597166A (en) * | 2003-09-15 | 2005-03-23 | 布拉德伯里有限公司 | Methods and apparatus for monitoring and conditioning strip material |
| CN101097441A (en) * | 2006-06-27 | 2008-01-02 | 宝山钢铁股份有限公司 | On-line optimizing shearing method of roller milling large plate |
| CN102078890A (en) * | 2010-11-17 | 2011-06-01 | 马鞍山钢铁股份有限公司 | Hot rolled steel coil transversely shearing line online flaw detecting device and method |
| CN106312179A (en) * | 2015-06-19 | 2017-01-11 | 宝山钢铁股份有限公司 | Online optimal shearing method for defective steel plates |
| CN108817091A (en) * | 2018-06-15 | 2018-11-16 | 河钢股份有限公司 | A kind of device and its sub-cut method of online sub-cut defect strip |
| CN110142451A (en) * | 2019-06-13 | 2019-08-20 | 首钢京唐钢铁联合有限责任公司 | A kind of adaptive flying shear position control method and device based on sheared length |
| CN111445441A (en) * | 2020-03-03 | 2020-07-24 | 首钢京唐钢铁联合有限责任公司 | Strip steel head defect processing method and device |
Non-Patent Citations (2)
| Title |
|---|
| 崔风平，孙玮，刘彦春等编著: "《中国钢铁工业科技进步报告（2001～2005）》", vol. 1, 北京：冶金工业出版社, pages: 209 - 210 * |
| 李剑: "宝钢厚板厂剪切线优化剪切模型的应用", 《宝钢技术》, no. 04, pages 8 - 11 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104307892B (en) | The method of band head correction in tandem rolling crossing process | |
| Liu et al. | A new mathematical model for determining the longitudinal strain in cold roll forming process | |
| CN107626739B (en) | A kind of process for realizing hot-strip finishing using pulling-straightening equipment | |
| US9221127B2 (en) | Method for producing welded tubes from steel | |
| CN114850879A (en) | Method and device for shearing steel coil | |
| Weiss et al. | The effect of skin passing on the material behavior of metal strip in pure bending and tension | |
| CN107552573A (en) | A kind of control method and device of high-strength steel internal stress | |
| CN116651933B (en) | Corner rolling method and device for plate and storage medium | |
| Khademi et al. | Effects of material and process parameters on wrinkling of conical parts in modified hydroforming process | |
| CN113020319A (en) | Strip steel leveling process method and production line | |
| US6240757B1 (en) | Process and installation for rolling a metal strip | |
| CN115060214A (en) | Steel shearing method, device, server and storage medium | |
| CN114472542A (en) | Method, device and equipment for controlling plate shape in production process of hot-rolled strip steel | |
| CN108772425B (en) | Method and device for controlling deviation of strip steel | |
| CN114453436A (en) | Control method and device for strip steel finish rolling equipment and computer equipment | |
| CN111445441B (en) | Strip steel head defect processing method and device | |
| CN114178347A (en) | Strip steel leveling method | |
| KR101746997B1 (en) | Appratus and method for control of camber and wedge of reversible roughing mill | |
| CN117619893A (en) | Control method, device, medium and equipment of straight-end machine for processing steel coil | |
| JP4352779B2 (en) | Thick steel plate rolling method | |
| JP3332712B2 (en) | Planar shape control method and planar shape control device | |
| CN201659153U (en) | Necking compensation system of hot-rolling coiling machine | |
| CN104923574A (en) | Flattening control method for strip steel | |
| CN115121609A (en) | Method and equipment for manufacturing 0.06mm cold-rolled steel foil | |
| JP2002066635A (en) | Method for manufacturing hot rolled steel strip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220805 |