EP3991866B1 - Dispositif et procédé de surveillance de pièces de machine dans l'industrie métallurgique - Google Patents

Dispositif et procédé de surveillance de pièces de machine dans l'industrie métallurgique Download PDF

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Publication number
EP3991866B1
EP3991866B1 EP21204141.2A EP21204141A EP3991866B1 EP 3991866 B1 EP3991866 B1 EP 3991866B1 EP 21204141 A EP21204141 A EP 21204141A EP 3991866 B1 EP3991866 B1 EP 3991866B1
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EP
European Patent Office
Prior art keywords
machine
control
looper
metal strip
machine part
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.)
Active
Application number
EP21204141.2A
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German (de)
English (en)
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EP3991866A1 (fr
EP3991866C0 (fr
Inventor
Thomas Hübner
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SMS Group GmbH
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SMS Group GmbH
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Publication date
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Publication of EP3991866C0 publication Critical patent/EP3991866C0/fr
Publication of EP3991866B1 publication Critical patent/EP3991866B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0057—Coiling the rolled product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0064—Uncoiling the rolled product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B21B39/084—Looper devices
    • 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
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide

Definitions

  • the invention relates to a device for metal processing and a method for monitoring such a device, preferably in a rolling mill.
  • the CN 209174850 U describes a device for locating the central axis of a ladle spout.
  • One object of the invention is to improve the monitoring of metal processing devices, in particular in a rolling mill, and in particular to increase their reliability.
  • the task is solved by a device with the features of claim 1 and a method with the features of the independent method claim 8.
  • the device and the method are located in the technical field of metal processing, in particular in the area of forming processing by rolling.
  • the processing preferably concerns metallurgical casting products such as slabs or strips made of steel or a non-ferrous metal.
  • the device according to the invention has a machine comprising a roll stand with a stationary machine part and at least one machine part that is movable relative to the stationary machine part.
  • possible machines include, for example, a looper, a reel, shears, a slab compression press, a coil box, a scale washer, an outfeed roller table or other systems.
  • the device comprises a controller for process control of the machine and a monitoring system that is in communication with the controller and has at least one camera and an evaluation device that is in communication with the camera.
  • the evaluation device and/or the control can be centralized or decentralized, part of internet-based and/or cloud-based applications or implemented in another way, and can access databases if necessary.
  • the communication between the electronic components such as the control, evaluation device, camera, etc. can be wireless or wired.
  • the evaluation device is set up to receive image data from the camera, to carry out image recognition thereon in order to record the position of the movable machine part and to output it to the controller.
  • the camera(s) can be installed outside of the immediate system environment, which minimizes any failures due to contamination and aggressive media compared to conventional sensors. Because the camera(s) can be installed outside of the immediate plant environment, they can also be serviced outside of any danger areas of the plant. This also reduces the risk of accidents for maintenance personnel. This makes it possible to monitor positions relevant to machine safety, which also includes monitoring access doors to dangerous areas or access itself.
  • the reliability of the camera-based monitoring system can be increased easily and cost-effectively through redundancy of cameras and computing technology as part of the evaluation device.
  • Image recognition preferably implemented as a computer program
  • a self-learning algorithm can be trained on the machine parts to be monitored and their possible positions or states.
  • the evaluation device comprises and uses a 3D model of the machine, with the at least one movable machine part being defined as an object within the 3D model.
  • Any positional change in the moving machine part to be monitored can now be detected using a 2D camera image captured by the camera and compared with the 3D model.
  • the positions or states of the moving machine parts can therefore be determined with sufficient precision in most cases.
  • the camera can be set up to record a 3D image, or several cameras can be installed for this purpose and in communication with the evaluation device.
  • the machine comprises at least one roll stand for rolling a metal strip in a roll gap, the roll stand comprising one or more rolls, in particular two work rolls forming the roll gap and two correspondingly assigned support rolls.
  • the camera-based monitoring system described here is particularly suitable for use in a rolling stand, as in this way sensors can be avoided in difficult process or environmental conditions.
  • the roll stand preferably has one or more retaining bars assigned to the rolls, which are each set up to hold the corresponding roll in its operating position in a closed position and to enable the corresponding roll to be removed in an open position, the evaluation device being set up to record the position of one, several or all retaining bars and output it to the control.
  • the retaining bars are safety-relevant parts whose correct positions must be ensured when commissioning the rolling stand and during operation.
  • the retaining bars can also be viewed from the outside and are therefore particularly suitable for the camera-based surveillance system.
  • the machine preferably has at least one looper, which includes a looper roller that is spatially adjustable via an actuator and is set up to support and guide the metal strip.
  • the looper is preferably between installed on two rolling stands and is used to compensate for changes in the length of the metal strip during the rolling process or to compensate for tension fluctuations.
  • the evaluation device is now set up to record the position of the looper roll and output it to the control. If the looper roller is mounted on a pivotable looper arm, the looper rotation angle, ie the angle of the looper arm relative to the horizontal, vertical or another reference line, can be recorded by the evaluation device for this purpose.
  • the machine preferably has at least one reel for winding the metal strip, the reel comprising a mandrel support bearing which can be brought into a closed position for receiving and rotatably supporting a mandrel and in an open position for removing the mandrel.
  • the mandrel support bearing can comprise an input-side bearing section and an output-side bearing section, each of which can be adjusted by means of corresponding actuators into an open position for removing and installing the mandrel and into a closed position for operating the reel.
  • the evaluation device is now set up to record the position of the mandrel support bearing, in particular the positions of the two bearing sections, and output it to the control.
  • a method for monitoring a device for metal processing comprising: providing a machine with a stationary machine part and at least one machine part that is movable relative to the stationary machine part; and recording at least a section of the machine using at least one camera and transmitting the image data to an evaluation device; Carrying out image recognition on the image data by the evaluation device in order to detect the position of the movable machine part; and outputting the detected position of the movable machine part to a controller for process control of the machine.
  • a 3D model of the machine is preferably used to carry out the image recognition, with the at least one movable machine part being defined as an object within the 3D model.
  • coordinates of the movable machine part to be monitored are preferably determined via a telemetry measurement system, in particular by carrying out point laser scans. Ideally, the scan is carried out from the same position in which the camera is installed or is to be installed.
  • the 3D model To create the 3D model, several, i.e. different positions of the movable machine part to be monitored, in particular including the end positions of the possible movements or movement amplitudes, are preferably determined.
  • the machine comprises at least one roll stand for rolling a metal strip in a roll gap, the roll stand having one or more rolls, in particular two rolls in the roll gap forming work rolls and two correspondingly assigned support rolls.
  • the roll stand particularly preferably comprises one or more retaining bars assigned to the rolls, which are each set up to hold the corresponding roll in its operating position in a closed position and to enable the corresponding roll to be removed in an open position, the positions one, several or all retaining bars are recorded by the evaluation device and output to the control.
  • the roll stand preferably has an adjustable outlet guide for guiding the metal strip out of the roll gap and/or an adjustable inlet guide for guiding the metal strip into the roll gap, the position of the outlet guide and/or the inlet guide being detected by the evaluation device and output to the control.
  • the machine preferably has at least one looper, which includes a looper roller that can be adjusted via an actuator and is set up to support and guide the metal strip, the position of the looper roller, preferably any looper rotation angle, being recorded and displayed by the evaluation device the control is output.
  • a looper roller that can be adjusted via an actuator and is set up to support and guide the metal strip, the position of the looper roller, preferably any looper rotation angle, being recorded and displayed by the evaluation device the control is output.
  • the machine preferably has at least one reel for winding up the metal strip, the reel comprising a mandrel support bearing which can be brought into a closed position for receiving and rotatably supporting a mandrel and in an open position for removing the mandrel, wherein the position of the mandrel support bearing is recorded by the evaluation device and output to the control.
  • the Figure 1 shows schematically a rolling stand 10 for rolling a metal strip that can be transported in a conveying direction F, which is in the Figure 1 is not shown.
  • the roll stand 10 is preferably a four-roll stand for use in a hot flat rolling mill.
  • the roll stand 10 can also have a different structure and/or be intended for a different application, for example as a cold rolling stand for metal strips, a structural roll stand or a roll stand for rolling cylindrical objects, such as bars or tubes.
  • the roll stand 10 of the present exemplary embodiment has two parallel, opposite work rolls 11, which form a roll gap, as well as two associated support rolls 12, which can be brought into contact with the work rolls 11 in order to support the work rolls 11 and prevent deflection of the work rolls 11 to be avoided or at least limited under load.
  • the work rolls 11 and the support rolls 12 are held in their working positions by retaining bars 13a, 13b, 14a, 14b.
  • retaining bars 13a, 13b are installed, arranged in pairs on the right and left (seen in the conveying direction F).
  • two retaining bars 14a, 14b, arranged in pairs on the right and left (seen in the conveying direction F) are installed for each support roller 12, which are usually structurally different from the retaining bars 13a, 13b due to different requirements, dimensions and installation positions of the rollers 11, 12 the work rolls 11 differ.
  • Each holding bar 13a, 13b, 14a, 14b can thus assume two positions or states: an operating state Z B , in which the roller 11, 12 is secured in its working position by the corresponding holding bar 13a, 13b, 14a, 14b, and a maintenance state Zw, in which the corresponding retaining bar 13a, 13b, 14a, 14b is opened or released and allows the roller 11, 12 to be removed.
  • the two states Z B and Zw are in the Figure 1 for various retaining bars 13a, 13b, 14a, 14b shown schematically. It should be noted that the terms “position”, “location” and “state” are sometimes used synonymously herein.
  • a monitoring system 1 is installed, which includes at least one camera 2 and an evaluation device 3.
  • the camera 2 and the evaluation device 3 are in wired or wireless communication, so that at least the camera 2 can send data to the evaluation device 3.
  • bidirectional communication is also possible.
  • the evaluation device 3 can also include a controller 4 for the roll stand 10 or be in communication with one in order to be able to intervene in production depending on the monitoring result, for example in the case of an incorrectly closed retaining bolt 13a, 13b, 14a, 14b .
  • the evaluation device 3 is in communication with the controller 4, wirelessly or wired, and is set up to output the detected positions of the retaining bars 13a, 13b, 14a, 14b to the controller 4.
  • the data transmitted to the controller 4 can, for example, be created and transmitted in the format of a conventional sensor, whereby a conventional system can be easily converted without having to redesign the process control.
  • the evaluation device 3 and/or the controller 4 can be central or decentralized, part of internet-based and/or cloud-based applications or implemented in some other way, as well as accessing databases if necessary.
  • the communication between the control and/or evaluation device 3 with the camera 2 and the corresponding components of the roll stand can be wireless or wired.
  • the evaluation device 3 includes a computing unit 3a for image recognition, which is set up to recognize the positions of the corresponding retaining bars 13a, 13b, 14a, 14b and, if necessary, compare them with target positions.
  • Image recognition preferably implemented as a computer program, can be implemented in various ways.
  • a self-learning algorithm can be trained on the retaining bars 13a, 13b, 14a, 14b to be monitored and their possible states Z B , Zw.
  • a 3D model can be created, with the retaining bars 13a, 13b, 14a, 14b to be monitored being defined as objects within the 3D model.
  • the coordinates of the system parts to be monitored here the retaining bars 13a, 13b, 14a, 14b, are determined, for example via a telemetry measurement system. Point laser scans can be carried out for this purpose. Ideally, the scan is carried out from the same position in which the camera 2 is installed or is to be installed.
  • Various positions or states including the end positions of the movable parts to be monitored, here the states Z B , Zw of the retaining bars 13a, 13b, 14a, 14b to be monitored, are determined and a 3D model is created.
  • the installation point of camera 2 is given the corresponding coordinates with respect to the 3D model.
  • the movable retaining bars 13a, 13b, 14a, 14b to be monitored are defined as objects within the 3D model. If necessary, the 3D model can be adjusted according to the camera viewing angle.
  • any change in position of one or more of the retaining bars 13a, 13b, 14a, 14b during operation of the rolling stand 10 can now be detected using the 2D camera image of the camera 2.
  • the positions or states Z B , Zw of the retaining bars 13a, 13b, 14a, 14b can therefore be determined with sufficient precision.
  • the camera 2 can be set up to record a 3D image, or several cameras 2 can be provided for this purpose, which can increase the monitoring accuracy by making position changes in the depth direction easier to detect.
  • the exemplary embodiment described above shows how the camera-based monitoring system 1 can be used to monitor the location or position of the retaining bars 13a, 13b, 14a, 14b in a roll stand 10.
  • an important technical contribution of the monitoring system 1 is that it is easily configurable for other machine parts to be monitored without the need to install, read and maintain special sensors.
  • the retaining bars 13a, 13b, 14a, 14b are concrete implementations of movable machine parts, movable relative to a stationary machine part such as a frame or scaffolding (in the Figure 1 not shown) for receiving and storing the rollers 11, 12.
  • Discrete positions, as in the case of the retaining bars 13a, 13b, 14a, 14b, as well as continuous or analog positions of one or more moving machine parts can be monitored.
  • the only requirement is that the relevant moving machine parts and their positions to be monitored can be viewed by one or more cameras 2.
  • target positions of work and/or support rolls 11, 12 can be checked by the evaluation device 3.
  • a diameter check of the work and/or support rolls 11, 12 can be carried out.
  • the camera-based monitoring system 1 is also not limited to position monitoring in the context of a roll stand 10, but can also be used, for example, to monitor a looper, a reel, a pair of scissors, a slab compression press, a coil box, a scale washer, an outlet roller table, etc. be applied.
  • the looper angle and/or the looper roll position can be monitored using a camera.
  • the position of side guides, CVC positions, diameter of a slide block, etc. are also accessible to camera-based monitoring.
  • the evaluation device 3 can be set up to monitor vibrations of a system or parts of the system in order to draw conclusions, for example, about the stress, possible errors or probability of failure.
  • the monitoring system 1 can also detect and check installation target positions in the rest position.
  • the camera(s) 2 can be installed outside of the direct system environment, any failures caused by contamination and aggressive media can be minimized compared to conventional sensors. Because the camera(s) 2 can be installed outside of the immediate system environment, they can be maintained outside of any danger areas of the system. This also reduces the risk of accidents for maintenance personnel. This makes it possible to monitor positions relevant to machine safety, which also includes monitoring access doors to dangerous areas or access itself.
  • the reliability of the camera-based monitoring system 1 can be increased easily and cost-effectively through redundancy of cameras 2 and computing technology within the evaluation device 3.
  • Examples include process or environmental conditions in which the use of the camera-based monitoring system 1 proves to be advantageous compared to conventional sensors: environments with high temperatures, for example steelworks, furnaces, casting machines, hot flat rolling mills; Environments with high levels of dust and/or scale, for example steel mills, furnaces, casting machines, hot flat rolling mills; Environments directly exposed to cooling water, such as hot flat rolling mills; Environments exposed to acid and/or emulsion, for example cold rolling mills, strip mills; Environments with mechanical stress, for example due to material during quick stops or strip breaks, for example cold and warm flat rolling mills.
  • environments with high temperatures for example steelworks, furnaces, casting machines, hot flat rolling mills
  • Environments with high levels of dust and/or scale for example steel mills, furnaces, casting machines, hot flat rolling mills
  • Environments directly exposed to cooling water such as hot flat rolling mills
  • Environments exposed to acid and/or emulsion for example cold rolling mills, strip mills
  • Environments with mechanical stress for example due to material during
  • the Figure 2 shows schematically a section of a hot rolling mill, which has two rolling stands 10, 10 'for rolling a metal strip transported in a conveying direction F (in the Figure 2 not shown) and a looper 20 arranged between them.
  • the two roll stands 10, 10 ' are constructed similarly to the roll stand 10 according to the exemplary embodiment Figure 1 , they each have two parallel, opposite work rolls 11, 11 ', which accordingly form a roll gap, and two associated support rolls 12, 12', which also associated work rolls 11, 11' can be brought into contact in order to support the work rolls 11, 11' and to avoid or at least limit deflection of the work rolls 11, 11' under load.
  • the roll stand 10 located upstream in the conveying direction F with respect to the looper 20 has an outlet guide 15 which feeds the metal strip emerging from the first roll stand 10 to the looper 20.
  • the rolling stand 10 'located downstream in the conveying direction F with respect to the looper 20 has an inlet guide 16 in order to guide the metal strip from the looper 20 into the corresponding roll gap.
  • the inlet and outlet guides 15, 16 are adjustable, in particular they can be extended and retracted.
  • the positions of the inlet and outlet guides 15, 16 can be monitored outside the direct plant environment using the camera-based monitoring system 1, which is constructed as described above. It is no longer necessary to install sensors directly on the inlet and outlet guides 15, 16 to determine their positions.
  • the working position of the looper 20, such as a looper rotation angle, can also be monitored in this way using the camera-based monitoring system 1, without the need for one or more sensors of its own.
  • the Figure 3 shows an exemplary structure of a looper 20 for compensating for changes in length of the metal strip in the course of the rolling process or for compensating for tensile fluctuations of the metal strip.
  • the looper 20 includes an actuator 21, which in the present exemplary embodiment is designed as a hydraulic cylinder.
  • the actuator 21 is connected to a looper arm 22 that can be rotated about a pivot axis B and is set up to rotate the looper arm 22 about the pivot axis B accordingly.
  • a looper roller 23 is also rotatably mounted on the looper arm 22, which is used to Support and guidance of the metal band is set up. The position of the looper roller 23 can be changed by pivoting the looper arm 22 by a looper rotation angle ⁇ , whereby the length of the conveying path of the metal strip between the two rolling stands 10 and 10 'can be modified.
  • the looper rotation angle ⁇ or an alternative measure for the position of the looper roller 23 can now be monitored outside the direct system environment using the camera-based monitoring system 1, which is constructed as described above.
  • the installation of a rotary encoder or other sensor to determine the position of the looper roller 23 in the immediate vicinity of the looper 20 is no longer necessary.
  • the Figure 3 shows a mandrel support bearing 31 of a reel 30 for winding a metal strip M.
  • the mandrel support bearing 31 comprises an input-side bearing section 32 and an output-side bearing section 33, which are each moved into an open position for removing and installing a mandrel 36 and into a by means of corresponding actuators 34, 35 closed position for operating the reel 30 can be adjusted.
  • the positions of the storage sections 32, 33 can now be monitored outside the direct plant environment using the camera-based monitoring system 1, which is constructed as described above. Installation of sensors on the bearing sections 32, 33 is no longer required.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Claims (16)

  1. Dispositif destiné au traitement de métaux, de préférence dans un laminoir, dans lequel le dispositif présente :
    une machine (10, 20, 30) qui comprend une partie de machine stationnaire et au moins une partie de machine mobile (13a, 13b, 14a, 14b, 15, 16, 23, 32, 33) par rapport à la partie de machine stationnaire; dans lequel la machine (10, 20, 30) comprend au moins une cage de laminoir (10, 10') destinée au laminage d'une bande métallique dans une emprise ; dans lequel la cage de laminoir (10, 10') comprend un ou plusieurs cylindres (11, 12) ; et
    une commande (4) pour la commande du processus de la machine (10, 20, 30) ;
    caractérisé par :
    un système de surveillance (1) mis en communication avec la commande (4), qui présente au moins une caméra (2) et un dispositif d'évaluation (3) mis en communication avec la caméra (2) ; dans lequel
    le dispositif d'évaluation (3) est conçu pour recevoir des données d'images de la caméra (2), afin de procéder ensuite à une reconnaissance d'images dans le but d'enregistrer la position de la partie mobile de la machine et de la transmettre à la commande (4).
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif d'évaluation (3) contient un modèle en trois dimensions de la machine (10, 20, 30) ; dans lequel ladite au moins une partie mobile de la machine est définie en tant qu'objet à l'intérieur du modèle en trois dimensions.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la cage de laminoir (10, 10') comprend deux cylindres de travail (11) qui réalisent l'emprise, ainsi que deux cylindres de support (12) qui leur sont attribués de manière qui convient.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la cage de laminoir (10, 10') présente un ou plusieurs verrous de maintien (13a, 13b, 14a, 14b) attribués aux cylindres (11, 12), qui sont respectivement conçus pour, dans une position fermée, maintenir le cylindre qui convient (11, 12) dans sa position d'exploitation et, dans une position ouverte, permettre le déploiement du cylindre qui convient (11, 12) ; dans lequel le dispositif d'évaluation (3) est conçu pour enregistrer la position d'un verrou de maintien (13a, 13b, 14a, 14b), de plusieurs d'entre eux ou de leur totalité, et pour la transmettre à la commande (4).
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la cage de laminoir (10, 10') présente un guidage de sortie (15) qui peut être réglé, pour le guidage de la bande métallique depuis l'emprise et/ou un guidage d'entrée (16) qui peut être réglé pour le guidage de la bande métallique dans l'emprise ; dans lequel le dispositif d'évaluation (3) est conçu pour enregistrer la position du guidage de sortie (15) et/ou du guidage d'entrée (16) et pour la transmettre à la commande (4).
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la machine (10, 20, 30) présente au moins un dispositif de soulèvement de boucle (20) qui comprend un rouleau de dispositif de soulèvement de boucle (23), qui peut être réglé par l'intermédiaire d'un actionneur (21), qui est conçu pour le support et pour le guidage de la bande métallique ; dans lequel le dispositif d'évaluation (3) est conçu pour enregistrer la position du rouleau du dispositif de soulèvement de boucle (23), de préférence d'un angle de rotation (a) du dispositif de soulèvement de boucle et pour la transmettre à la commande (4).
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la machine (10, 20, 30) présente au moins une bobineuse (30) destinée à enrouler la bande métallique ; dans lequel la bobineuse (30) présente un palier de support de mandrin (31) qui peut être amené, pour la réception et pour le montage en réception d'un mandrin (36), dans une position fermée, et pour la sortie du mandrin (36), dans une position ouverte ; dans lequel le dispositif d'évaluation (3) est conçu pour enregistrer la position du palier de support de mandrin (31) et pour la transmettre à la commande (4).
  8. Procédé pour la surveillance d'un dispositif destiné au traitement de métaux, de préférence dans un laminoir, dans lequel le procédé présente le fait de :
    procurer une machine (10, 20, 30) qui comprend une partie de machine stationnaire et au moins une partie de machine mobile (13a, 13b, 14a, 14b, 15, 16, 23, 32, 33) par rapport à la partie de machine stationnaire ; dans lequel la machine (10, 20, 30) comprend au moins une cage de laminoir (10, 10') destinée au laminage d'une bande métallique dans une emprise ; dans lequel la cage de laminoir (10, 10') comprend un ou plusieurs cylindres (11, 12) ;
    caractérisé en ce que le procédé présente les étapes suivantes dans lesquelles :
    on capture au moins un tronçon de la machine (10, 20, 30) au moyen d'au moins une caméra (2) et on transmet les données d'images à un dispositif d'évaluation (3) ;
    on procède à une reconnaissance d'images à partir des données d'images par l'intermédiaire du dispositif d'évaluation (3), dans le but d'enregistrer la position de la partie mobile de la machine : et
    on transmet la position enregistrée de la partie mobile de la machine à une commande (4) destinée à la commande du processus de la machine (10, 20, 30).
  9. Procédé selon la revendication 8, caractérisé en ce que, pour la mise en oeuvre de la reconnaissance d'images, on fait appel à un modèle en trois dimensions de la machine (10, 20, 30) ; dans lequel ladite au moins une partie mobile de la machine est définie au sein du modèle en trois dimensions en tant qu'objet.
  10. Procédé selon la revendication 9, caractérisé en ce que, pour l'élaboration du modèle en trois dimensions, on détermine des coordonnées de la partie mobile de la machine, qui doit être surveillée, par l'intermédiaire d'un système de mesure par télémétrie, de préférence par le biais de la mise en oeuvre d'un balayage au laser point par point.
  11. Procédé selon la revendication 10, caractérisé en ce que, pour l'élaboration du modèle en trois dimensions, on détermine différentes positions de la partie mobile de la machine qui doit être surveillée, de préférence qui comprennent les positions finales des mouvements possibles.
  12. Procédé selon l'une quelconque des revendications 7 à 11, caractérisé en ce que la cage de laminoir (10, 10') comprend deux cylindres de travail (11) qui constituent l'emprise, ainsi que deux cylindres de support (12) qui leur sont attribués de manière qui convient.
  13. Procédé selon l'une quelconque des revendications 8 à 12, caractérisé en ce que la cage de laminoir (10, 10') comprend un ou plusieurs verrous de maintien (13a, 13b, 14a, 14b) attribués aux cylindres (11, 12), qui sont respectivement conçus pour, dans une position fermée, maintenir le cylindre qui convient (11, 12) dans sa position d'exploitation et, dans une position ouverte, permettre le déploiement du cylindre qui convient (11, 12) ; dans lequel les positions d'un verrou de maintien (13a, 13b, 14a, 14b), de plusieurs d'entre eux ou de leur totalité sont enregistrées et transmises à la commande (4) par l'intermédiaire du dispositif d'évaluation (3).
  14. Procédé selon l'une quelconque des revendications 8 à 13, caractérisé en ce que la cage de laminoir (10, 10') présente un guidage de sortie (15) qui peut être réglé, pour le guidage de la bande métallique depuis l'emprise et/ou un guidage d'entrée (16) qui peut être réglé pour le guidage de la bande métallique dans l'emprise ; dans lequel la position du guidage de sortie (15) et/ou du guidage d'entrée (16) est enregistrée et est transmise à la commande (4) par l'intermédiaire du dispositif d'évaluation (3).
  15. Procédé selon l'une quelconque des revendications 8 à 14, caractérisé en ce que la machine (10, 20, 30) présente au moins un dispositif de soulèvement de boucle (20) qui comprend un rouleau de dispositif de soulèvement de boucle (23), qui peut être réglé par l'intermédiaire d'un actionneur (21), qui est conçu pour le support et pour le guidage de la bande métallique ; dans lequel la position du rouleau du dispositif de soulèvement de boucle (23), de préférence d'un angle de rotation (a) du dispositif de soulèvement de boucle, est enregistrée et est transmise à la commande (4) par l'intermédiaire du dispositif d'évaluation (3).
  16. Procédé selon l'une quelconque des revendications 8 à 15, caractérisé en ce que la machine (10, 20, 30) présente au moins une bobineuse (30) destinée à enrouler la bande métallique ; dans lequel la bobineuse (30) présente un palier de support de mandrin (31) qui peut être amené, pour la réception et pour le montage en rotation d'un mandrin (36), dans une position fermée, et pour la sortie du mandrin (36), dans une position ouverte ; dans lequel la position du palier de support de mandrin (31) est enregistrée et est transmise à la commande (4) par l'intermédiaire du dispositif d'évaluation (3).
EP21204141.2A 2020-10-27 2021-10-22 Dispositif et procédé de surveillance de pièces de machine dans l'industrie métallurgique Active EP3991866B1 (fr)

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DE102020213501.0A DE102020213501A1 (de) 2020-10-27 2020-10-27 Vorrichtung und Verfahren zur Überwachung von Maschinenteilen in der metallverarbeitenden Industrie

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1397304A (fr) * 1964-03-06 1965-04-30 Loire Atel Forges Dispositif de réglage des boîtes à guides de laminoirs
JP5760629B2 (ja) * 2011-04-15 2015-08-12 Ｊｆｅスチール株式会社 鋼帯の蛇行修正方法
JP6588704B2 (ja) * 2015-01-15 2019-10-09 中村留精密工業株式会社 工具刃先の検出方法及び装置並びに工具補正値の設定装置
CN104708489B (zh) * 2015-02-12 2017-08-01 重庆交通大学 机床自动随动控制系统
DE102018200506A1 (de) 2018-01-12 2019-07-18 Sms Group Gmbh Tragkonstruktion für einen Vertikalbandspeicher, Vertikalbandspeicher, und Verfahren zum Speichern eines Metallbands in einem Vertikalbandspeicher
CN111036863A (zh) * 2018-10-15 2020-04-21 宝钢工程技术集团有限公司 采用机器视觉定位大包下水口的装置及其使用方法

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