CN115255032B - Flatness detection system and method for leveler - Google Patents
Flatness detection system and method for leveler Download PDFInfo
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- CN115255032B CN115255032B CN202210765535.2A CN202210765535A CN115255032B CN 115255032 B CN115255032 B CN 115255032B CN 202210765535 A CN202210765535 A CN 202210765535A CN 115255032 B CN115255032 B CN 115255032B
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims description 9
- 239000011159 matrix material Substances 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- 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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a leveling machine flatness detection system which comprises a conveying platform, two servo trusses, two carriage plates, a plurality of laser range finders, a detection module, an industrial personal computer and the like, wherein the laser range finders are uniformly and fixedly arranged at the lower parts of the carriage plates in a matrix mode. According to the invention, the lifting of the elastic press roller is controlled according to the actual flatness value, so that the uneven parts of different positions of the surface of the plate are leveled, the flexibility is higher, and the plate leveling efficiency is improved; meanwhile, the detection system is high in automation degree and few in interference factors, so that accuracy of flatness detection is guaranteed, detected data can be recorded in a file, and later-stage checking is facilitated.
Description
Technical Field
The invention relates to the technical field of leveler equipment, in particular to a leveling degree detection system and a leveling degree detection method of a leveler.
Background
When the domestic leveling machine corrects the plate, the flatness of the plate needs to be detected, most of the leveling machines adopt a manual leveling rule measuring mode, and the following defects exist in the mode:
the highest point and the lowest point are found out by utilizing a leveling rule and a taper rule and adopting acquired data points of multipoint measurement in the transverse direction and the longitudinal direction, so that the efficiency is low and the labor is consumed;
the leveling rule and the taper rule are utilized to acquire data points by multipoint measurement in the transverse direction and the longitudinal direction, so that the acquired number of points is too small to truly reflect the actual flatness;
the manual measurement is inaccurate, the human interference factors are many, and the error is big.
After flatness detection, the conventional strander cannot conduct targeted flexible treatment according to the concave-convex positions of the surface of the plate.
Disclosure of Invention
The invention aims to provide a flatness detection system and a flatness detection method for a leveling machine.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a leveling machine's roughness detecting system, includes leveling machine, industrial computer and delivery platform, still includes twice servo truss, and twice servo truss is fixed mounting respectively in leveling machine feed inlet top both sides position, slidable mounting has the carriage board between the twice servo truss, and the carriage board lower part is the even fixed mounting of matrix and has a plurality of spot laser range finders, evenly install a plurality of conveying rollers on the delivery platform, a plurality of conveying rollers form the sheet material detection zone, the inside bearing roller and the back shaft of installing of rotation of leveling machine, the back shaft is located the bearing roller top position, and even movable sleeve is equipped with a plurality of elastic compression rollers on the back shaft, and the upper position of elastic compression roller is equipped with pushing mechanism, the real-time data signal of sheet material on the sheet material detection zone that the industrial computer was gathered through Profinet communication module transmission spot laser range finders is through data filtration, and after the processing, forms Z direction discrete dot matrix data cloud according to preset modeling algorithm package and obtains the actual plane degree value to control elastic compression roller's lift according to actual plane degree value.
Preferably, the elastic press roller comprises a limit roller sleeve and a press roller sleeve, the limit roller sleeve is movably sleeved on the supporting shaft, the press roller sleeve is positioned outside the limit roller sleeve, two elastic pieces are arranged at two sides of a gap between the press roller sleeve and the limit roller sleeve, each elastic piece comprises a spring and two inclined struts, two ends of each inclined strut are respectively movably hinged to the press roller sleeve and the limit roller sleeve, and the springs are fixedly arranged between the two inclined struts.
Preferably, the pushing mechanism comprises a hanging plate, a plurality of hydraulic cylinders and an arc-shaped pressing plate, wherein the hanging plate is fixedly arranged in the leveler, the hydraulic cylinders are uniformly and fixedly arranged at the lower part of the hanging plate, the arc-shaped pressing plate is fixedly connected with a piston shaft of the hydraulic cylinder, an annular groove is formed in the inner wall of the arc-shaped pressing plate, and a plurality of rotating shafts are uniformly and rotatably arranged in the annular groove.
Preferably, the industrial personal computer comprises a data processing module, a PLC module and a control module, wherein a modeling algorithm is stored in the data processing module, the data processing module receives real-time data signals of the plate on a plate detection area, which are acquired by a spot-emitting laser range finder, and a Z-direction discrete lattice data cloud is formed through the modeling algorithm to obtain an actual flatness value of the plate; the PLC module controls the start and stop of the hydraulic cylinders through the control module according to the actual flatness value of the plate.
Preferably, the data collected by the point-emitting laser distance measuring device are input into the data processing module of the industrial personal computer in a Profinet Ethernet mode through the Profinet module.
A method of detecting a flatness detecting system of a leveler, the method comprising the steps of:
A. placing the plate to be tested on a conveying platform;
B. according to the width of the plate, the number, the horizontal distance and the vertical distance of the installation point-emission distance measuring instrument are automatically adjusted;
C. according to the length of the plate, setting parameters to automatically eliminate invalid detection distances from the head to the tail of the plate, optimizing an optimal sampling interval distance according to the requirement of the number of acquisition points in the effective length of the plate, and starting a servo truss to perform full-stroke data sampling;
D. after the sampling is finished, storing the sample into a sampling buffer area of industrial personal computer software;
E. starting an effective data scanning program, filtering and processing all data in the buffer area, and integrating an effective data set;
F. starting a modeling program, performing modeling work of point cloud data on the sampled effective data set, and finally forming a discrete lattice cloud data set in the Z direction;
G. starting a program for searching the highest point and the lowest point of the dot matrix cloud data, finding out the highest point and the lowest point, and then performing storage processing;
H. forming space coordinate point cloud data according to Z-direction discrete point cloud data by combining acquisition interval distance of a carriage plate in the Y direction and point-emission laser range finder in the X direction, establishing a space model of the detection plate in space three-dimensional mode according to a variance formula, and finding out an actual planeness value of the detection plate by combining a space highest point and a space lowest point;
I. when the plate enters the leveling machine, the industrial personal computer controls the expansion and contraction of the hydraulic cylinders through the actual flatness value, and the uneven part of the plate is leveled through the press roll sleeve.
Preferably, the ineffective detection distance in the step C is set to a reasonable value, and stable and vibration-free operation of the servo truss is required to be started.
Compared with the prior art, the invention has the advantages that:
according to the invention, the point-emitting laser range finder is adopted to detect the plate to be leveled, the industrial personal computer obtains the actual flatness value of the plate according to the preset modeling algorithm, and controls the lifting of the elastic press roller according to the actual flatness value, so that the leveling of uneven positions of different positions on the surface of the plate is realized, the flexibility is higher, and the leveling efficiency of the plate is improved; meanwhile, the detection system is high in automation degree and few in interference factors, so that accuracy of flatness detection is guaranteed, detected data can be recorded in a file, and later-stage checking is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a flatness detection system of a leveler of the present invention;
FIG. 2 is a cross-sectional view of the leveler of the present invention;
FIG. 3 is a cross-sectional view of an arcuate platen of the present invention;
FIG. 4 is a block diagram of an elastic press roll of the present invention;
FIG. 5 is a flow chart of the detection method of the present invention.
In the figure: the leveling machine comprises a leveling machine 1, a conveying platform 2, a conveying roller 3, a servo truss 4, a pulley frame plate 5, a point laser range finder 51, a carrier roller 6, a supporting shaft 7, an elastic compression roller 8, a limit roller sleeve 81, a roller sleeve 82, an inclined strut 83, a spring 84, a pushing mechanism 9, a hanging plate 91, a hydraulic cylinder 92, an arc-shaped pressing plate 93, a ring groove 94 and a rotating shaft 95.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1-4, the invention provides a leveling detection system of a leveling machine, which comprises a leveling machine 1, an industrial personal computer and a conveying platform 2, and further comprises two servo trusses 4, wherein the two servo trusses 4 are respectively and fixedly arranged at two sides above a feed inlet of the leveling machine 1, a carriage plate 5 is slidably arranged between the two servo trusses 4, the servo trusses 4 are electric linear guide rails in the prior art, the carriage plate 5 is driven by a servo motor to move, a plurality of spot laser distance meters 51 (the precision index of which is that the resolution < = 0.5um, the repetition precision < + > -2um, the linearity + -0.1%F.S.) are uniformly arranged on the conveying platform 2, a plurality of conveying rollers 3 form a plate detection area, a carrier roller 6 and a supporting shaft 7 are rotatably arranged in the leveling machine 1, the supporting shaft 7 is positioned at the upper position of the 6, a plurality of elastic press rollers 8 are uniformly and movably sleeved on the supporting shaft, a plurality of point laser distance meters 9 are arranged at the upper position of the elastic press roller 8, the position of the elastic press roller 8 is in a matrix, the position of the elastic press roller is in the upper position 9, the film meter is not in the real-time, and the real-time data of the leveling machine is not subjected to the real-time data acquisition of the data of the leveling plate by the leveling machine is carried out by the real-time data, and the real-time data of the leveling roller is not subjected to the measurement of the real-time value of the surface data of the leveling roller, and the data of the leveling roller is realized by the measurement of the actual data of the leveling module, and the measurement of the data of the leveling value of the leveling roller is realized by the measurement of the data of the leveling surface, and the leveling roller is measured by the data, and the leveling; the industrial personal computer automatically optimizes the optimal data acquisition interval and acquisition time according to the plate length, the plate width and the scanning speed through an algorithm model, displays the real-time data of the current scanning display in real time along with the progress of the scanning process, synchronously stores the real-time data into a database, and automatically stores the real-time data in the database as a record after the whole area is scanned.
In this embodiment, the elastic compression roller 8 includes spacing roller sleeve 81 and compression roller sleeve 82, spacing roller sleeve 81 movable sleeve is established on back shaft 7, compression roller sleeve 82 is located spacing roller sleeve 81 outside, and two elastic components are all installed to clearance both sides position of compression roller sleeve 82 and spacing roller sleeve 81, and the elastic component includes spring 84 and two bracing 84, and two bracing 84 both ends are movable hinge respectively in compression roller sleeve 82 and spacing roller sleeve 81, spring 84 fixed mounting is between two bracing 84, and when pushing mechanism 9 did not contact with compression roller sleeve 82, through spring 84 elasticity effect, spacing roller sleeve 81 was located pressure roller sleeve 82 axle center position.
In this embodiment, the pushing mechanism 9 includes a hanging plate 91, a plurality of hydraulic cylinders 92 and an arc pressing plate 93, the hanging plate 91 is fixedly installed in the leveler 1, the hydraulic cylinders 92 are uniformly and fixedly installed at the lower portion of the hanging plate 91, the arc pressing plate 93 is fixedly connected with a piston shaft of the hydraulic cylinders 92, a ring groove 94 is formed in the inner wall of the arc pressing plate 93, a plurality of rotating shafts 95 are uniformly rotatably installed in the ring groove 94, and when the hydraulic cylinders 92 are pressed down, the arc pressing plate 93 can be pressed on the elastic pressing roller 8 through the action of the rotating shafts 95, so that the elastic pressing roller 8 can level uneven portions on the surface of a plate.
In this embodiment, the industrial personal computer includes a data processing module, a PLC module and a control module, where a modeling algorithm is stored in the data processing module, and the data processing module receives a real-time data signal of a sheet material on a sheet material detection area collected by the spot-emitting laser range finder 51, and forms a Z-direction discrete lattice data cloud through the modeling algorithm to obtain an actual flatness value of the sheet material; the PLC module controls the start and stop of the hydraulic cylinders 92 through the control module according to the actual flatness value of the plate.
In this embodiment, the data collected by the spot-emitting laser distance meter 51 is input into the data processing module of the industrial personal computer in a Profinet ethernet manner through the Profinet module.
Referring to fig. 5, according to the method for detecting the flatness detecting system of the leveler, the method includes the steps of:
A. placing a sheet to be tested on the conveying platform 2;
B. according to the width of the plate, the number, the horizontal distance and the vertical distance of the installation point shot distance meters 51 are automatically adjusted, in order to improve the accuracy of collected data, the horizontal distance of the distance meters 51 is not more than 50mm, and the vertical measurement distance is set into a reasonable interval according to the sizes of a near light point and a far light point of the distance meters 51 (the collected data of the distance meters 51 utilizes the triangulation principle);
C. according to the length of the plate, the invalid detection distance of the head and the tail of the plate is automatically eliminated by parameter setting, the optimal sampling interval distance is optimized according to the requirement of the number of the acquisition points in the effective length of the plate, and the servo truss 4 is started to perform full-stroke data sampling, and the sampling principle formula is as follows: posdataYi= (Time ((Length-LenIvalid)/GroupData)/Vsp); the Length corresponds to the Length of a plate, the Lenivalid corresponds to the invalid Length of the head and the tail of the plate, the GroupData corresponds to the number of groups required to be collected of the whole plate, the Vsp corresponds to the scanning speed m/min of a servo truss, and the Time corresponds to a timer function, wherein the timer function indicates that a group of currently collected matrix data is automatically recorded when the timer Time arrives at the system;
D. after the sampling is finished, storing the sample into a sampling buffer area of industrial personal computer software;
E. starting an effective data scanning program, filtering and processing all data in a buffer area, integrating an effective data set, and adopting an effective data filtering formula: posdatayivai=fil (PosdataYi, max, min); posdataYi corresponds to a matrix data set of the whole panel obtained by truss servo, max corresponds to the maximum range of effective values and Min corresponds to the minimum range of effective values;
F. starting a modeling program, performing modeling work of point cloud data on the sampled effective data set, and finally forming a discrete lattice cloud data set in the Z direction;
G. starting a program for searching the highest point and the lowest point of the dot matrix cloud data, finding out the highest point and the lowest point, and then performing storage processing;
H. according to the Z-direction discrete lattice cloud data, the acquisition interval distance of the Y-direction of the carriage plate 5 and the lattice distribution of the X-direction point-emitting laser range finder 51 are combined to form space coordinate point cloud data, and the space coordinate point cloud data is formed according to a variance formulaAndwherein t=m×n (n: the number of groups, m: the number of laser sensors of each group), and Xij: all collected effective point cloud data), establishing a spatial model of the three-dimensional detection plate, and finding out an actual flatness value of the detection plate by combining the highest point and the lowest point of the space;
I. when the plate enters the leveler, the industrial personal computer controls the expansion and contraction of the hydraulic cylinders 92 through the actual flatness value, and the uneven part of the plate is leveled through the press roll sleeve 82.
Preferably, the ineffective detection distance in the step C is set to a reasonable value, so that stable and vibration-free operation of the servo truss 4 is required to be started, and the measurement accuracy is ensured.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the invention as described in the claims.
Claims (5)
1. The utility model provides a leveling degree detecting system of leveling machine, includes leveling machine, industrial computer and conveying platform and detecting system+, its characterized in that: the leveling machine also comprises two servo trusses which are respectively and fixedly arranged at two sides above the feed inlet of the leveling machine, a carriage plate is arranged between the two servo trusses in a sliding way, a plurality of spot laser range finders are uniformly and fixedly arranged at the lower part of the carriage plate in a matrix form, a plurality of conveying rollers are uniformly arranged on the conveying platform, a plate material detection area is formed by the plurality of conveying rollers, a carrier roller and a supporting shaft are rotatably arranged in the leveling machine, the supporting shaft is positioned above the carrier roller, the industrial personal computer transmits real-time data signals of the plate materials on the plate material detection area acquired by the point-emission laser range finder through the Profinet communication module, the real-time data signals are subjected to data filtering and processing, a Z-direction discrete lattice data cloud is formed according to a preset modeling algorithm package to obtain an actual flatness value of the plate materials, and the lifting of the elastic press roll is controlled according to the actual flatness value;
the elastic compression roller comprises a limit roller sleeve and a compression roller sleeve, the limit roller sleeve is movably sleeved on a supporting shaft, the compression roller sleeve is positioned outside the limit roller sleeve, two elastic pieces are arranged at two sides of a gap between the compression roller sleeve and the limit roller sleeve, each elastic piece comprises a spring and two inclined struts, two ends of each inclined strut are respectively and movably hinged to the compression roller sleeve and the limit roller sleeve, and the springs are fixedly arranged between the two inclined struts;
the pushing mechanism comprises a hanging plate, a plurality of hydraulic cylinders and an arc-shaped pressing plate, wherein the hanging plate is fixedly arranged in the leveling machine, the hydraulic cylinders are uniformly and fixedly arranged at the lower part of the hanging plate, the arc-shaped pressing plate is fixedly connected with a piston shaft of the hydraulic cylinders, an annular groove is formed in the inner wall of the arc-shaped pressing plate, and a plurality of rotating shafts are uniformly and rotatably arranged in the annular groove.
2. The flatness detection system of a leveler according to claim 1, wherein: the industrial personal computer comprises a data processing module, a PLC module and a control module, wherein a modeling algorithm is stored in the data processing module, the data processing module receives real-time data signals of the plate on a plate detection area, which are acquired by a point-emission laser range finder, and a Z-direction discrete lattice data cloud is formed through the modeling algorithm to obtain an actual flatness value of the plate; the PLC module controls the start and stop of the hydraulic cylinders through the control module according to the actual flatness value of the plate.
3. The flatness detection system of a leveler according to claim 2, wherein: the data collected by the spot-fire laser range finder is input into a data processing module of the industrial personal computer in a Profinet Ethernet communication mode through a Profinet module.
4. A method of detecting a flatness detecting system of a leveler according to claim 3, characterized in that the method comprises the steps of:
A. placing the plate to be tested on a conveying platform;
B. according to the width of the plate, the number, the horizontal distance and the vertical distance of the installation point-emission distance measuring instrument are automatically adjusted;
C. according to the length of the plate, setting parameters to automatically eliminate invalid detection distances from the head to the tail of the plate, optimizing an optimal sampling interval distance according to the requirement of the number of acquisition points in the effective length of the plate, and starting a servo truss to perform full-stroke data sampling;
D. after the sampling is finished, storing the sample into a sampling buffer area of industrial personal computer software;
E. starting an effective data scanning program, filtering and processing all data in the buffer area, and integrating an effective data set;
F. starting a modeling program, performing modeling work of point cloud data on the sampled effective data set, and finally forming a discrete lattice cloud data set in the Z direction;
G. starting a program for searching the highest point and the lowest point of the dot matrix cloud data, finding out the highest point and the lowest point, and then performing storage processing;
H. forming space coordinate point cloud data according to Z-direction discrete point cloud data by combining acquisition interval distance of a carriage plate in the Y direction and point-emission laser range finder in the X direction, establishing a space model of the detection plate in space three-dimensional mode according to a variance formula, and finding out an actual planeness value of the detection plate by combining a space highest point and a space lowest point;
I. when the plate enters the leveling machine, the industrial personal computer controls the expansion and contraction of the hydraulic cylinders through the actual flatness value, and the uneven part of the plate is leveled through the press roll sleeve.
5. The detection method of the leveling machine flatness detection system according to claim 4, characterized in that: and C, setting a reasonable value for the invalid detection distance, and starting the servo truss to run stably without vibration.
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| CN202210765535.2A CN115255032B (en) | 2022-07-01 | 2022-07-01 | Flatness detection system and method for leveler |
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| CN202210765535.2A CN115255032B (en) | 2022-07-01 | 2022-07-01 | Flatness detection system and method for leveler |
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| CN116984421B (en) * | 2023-09-25 | 2023-12-08 | 太仓庄正数控设备有限公司 | Roller control method and system of leveling machine |
| CN117358775B (en) * | 2023-12-07 | 2024-02-06 | 江苏再声新材料科技有限公司 | Rolling forming machine for processing metal composite plate |
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| CN114101389B (en) * | 2022-01-27 | 2022-04-19 | 广东库迪数控技术有限公司 | Leveling device |
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