EP3896018B1 - Procédé et dispositif d'alimentation à position exacte des feuilles de tôle destinés à un processus de traitement ou une unité de traitement - Google Patents

Procédé et dispositif d'alimentation à position exacte des feuilles de tôle destinés à un processus de traitement ou une unité de traitement Download PDF

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Publication number
EP3896018B1
EP3896018B1 EP21161483.9A EP21161483A EP3896018B1 EP 3896018 B1 EP3896018 B1 EP 3896018B1 EP 21161483 A EP21161483 A EP 21161483A EP 3896018 B1 EP3896018 B1 EP 3896018B1
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EP
European Patent Office
Prior art keywords
transport
transport device
flat sheet
metal panel
sheet
Prior art date
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Active
Application number
EP21161483.9A
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German (de)
English (en)
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EP3896018A1 (fr
Inventor
Florian Amann
Klaus Kirsch
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication of EP3896018A1 publication Critical patent/EP3896018A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/105—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using suction means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H11/00—Feed tables
    • B65H11/002—Feed tables incorporating transport belts
    • B65H11/005—Suction belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/10—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to incorrect side register
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/331—Skewing, correcting skew, i.e. changing slightly orientation of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44735—Belts, endless moving elements on which the material is in surface contact suction belt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/264—Arrangement of side-by-side belts
    • B65H2404/2641—Arrangement of side-by-side belts on movable frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/269—Particular arrangement of belt, or belts other arrangements
    • B65H2404/2691—Arrangement of successive belts forming a transport path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/113—Details of the part distributing the air cushion
    • B65H2406/1132—Multiple nozzles arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/32—Suction belts
    • B65H2406/321—Suction belts integral in feed table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/32—Suction belts
    • B65H2406/322—Suction distributing means
    • B65H2406/3221—Suction distributing means for variable distribution in the direction of transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/32—Suction belts
    • B65H2406/322—Suction distributing means
    • B65H2406/3222—Suction distributing means switchable suction elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/36—Means for producing, distributing or controlling suction
    • B65H2406/365—Means for producing, distributing or controlling suction selectively blowing or sucking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/24—Irregularities, e.g. in orientation or skewness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/416—Array arrangement, i.e. row of emitters or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1311—Edges leading edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1315—Edges side edges, i.e. regarded in context of transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/42—Die-cutting

Definitions

  • the invention relates to a method and a device for feeding sheet metal panels with precise positioning to a printing or coating unit of a sheet metal coating machine.
  • the metal sheets which are transported lying one behind the other, hit the positioning marks or stops during their transport, so that the metal sheets are forced to be brought into the desired or precise position.
  • a tilt correction can be provided for this purpose.
  • the front edge of the sheet metal is aligned essentially at right angles to the transport direction.
  • a lateral alignment of the metal sheet is provided, so that it can be fed to the machining process in the middle.
  • an optimal longitudinal alignment of the metal sheet with regard to the transport route is necessary so that it is fed to the processing process or the processing unit at the right time.
  • the DE 198 14 141 C2 describes a method for feeding flat goods to a machining process in a position-accurate manner, the goods being transported in a horizontal position arranged one behind the other and being aligned during transport.
  • the required aligning movements take place without mechanical aligning action on one or more peripheral edges of the item.
  • the necessary correction of the skew of the leading edge, the lateral alignment and the longitudinal alignment are carried out by two successively arranged transport devices, the first transport device only realizing the skew correction and the second transport device the lateral alignment and the longitudinal alignment.
  • the skew correction by the first transport device causes an undesired displacement of the goods transversely to the transport direction, which must be corrected with the second transport device.
  • the DE 692 07 737 T2 discloses an apparatus for handling and aligning bundles of flat objects.
  • the device includes two vertical to each other slidable conveyors, one consisting of a table with powered balls and the other comprising a series of separate powered rollers.
  • the control of the conveyor organs is carried out according to the desired lateral displacement and the desired orientation that is to be given to the bundle of flat objects.
  • the DE 10 2017 012 279 B3 describes a sheet processing machine with a sheet separator, a sheet guiding system, an acceleration device, a first alignment device with a rotating stop and a second alignment device.
  • a sensor that detects the position of the stop is provided for the purpose of aligning the sheets.
  • the invention is based on the object of creating a method and a device for feeding sheet metal panels with precise positioning to a printing or coating unit of a sheet metal coating machine, which enables high feeding accuracy even at high processing speeds.
  • the lateral position is aligned on a second transport device, which is located downstream of the first transport device.
  • the second transport device only has to correct the lateral position to the extent that was already required before the skew correction by the first transport device.
  • the solution found also has the advantage that the transport device transport device is variable in width and is suitable for transporting flat goods of different widths without structural adjustments.
  • the width of a flat sheet metal panel extends transversely to its respective transport direction.
  • the transport device transports the sheet metal panels, preferably floating as far as possible on an air cushion.
  • the sheet metal panels to be transported lie only on suction belts, with the relevant suction belts being arranged in particular in pairs parallel to one another. Otherwise, the flat sheet metal panels have no direct physical contact, e.g. B. to stationary in their transport plane arranged blast air boxes. Due to this configuration, a largely friction-free and/or slip-free transport of the sheet metal panels is possible.
  • the first and the second transport device can each have circulating transport means and associated vacuum areas that can be switched independently of one another.
  • the vacuum areas can be deactivated or activated one after the other, which in particular ensures reliable guidance of the respective flat sheet metal panels in connection with the possibility of aligning the same causes, wherein the transport device has a small extent in the transport direction.
  • FIG. 1 shows a transport device 01 for feeding sheet metal panels with precise positioning to a processing unit (not shown), which may be a painting machine or a printing machine or a punching machine.
  • the processing unit can be designed in particular for the processing of flat sheet metal panels.
  • the processing unit is located downstream of the transport device 01 in the transport direction 06 .
  • the transport device 01 comprises a first transport device 10 and a second transport device 20 downstream of the first transport device 10 in the transport direction 06.
  • a separating device not shown here, also referred to as a feeder, can be arranged upstream of the transport device 01.
  • the transport device 01 can also include a further transport device 30, which is arranged upstream of the first transport device 10 in the transport direction 06.
  • blast air boxes 17; 25; 17 are arranged, the air outlet openings 18; 26, preferably Venturi nozzles 18; 26, for generating a blown air cushion that supports the sheet-like metal sheets without contact.
  • the blast air boxes 17; 25 are outside the transport devices 10; 30; 20 trained.
  • the blown air for generating the blown air cushion is preferably generated by fans 34 which the blown air boxes 17; 25 are assigned on their subpages.
  • the further transport device 30 Viewed in the direction of transport 06, the further transport device 30, the first transport device 10 and the second transport device 20 are connected in series, so that a transfer of a respective flat metal sheet from a transport device 30; 10; 20 to the next is easily possible.
  • the first and the second transport device 10; 20 and preferably also the further transport device 30 have circulating transport means 11; 12; 21; 22; 31; 32, preferably as a suction belt 11; 12; 21; 22; 31; 32 are formed.
  • the suction belt 11; 12; 21; 22; 31; 32 are preferably toothed belts and have two guide grooves in the teeth. In one guide groove, which is preferably eccentric, a guide ring is guided without play on the toothed disks, in the other guide groove, which is preferably central, a suction rail runs with play in the upper area, through which the vacuum is applied. In the middle, the suction straps have 11; 12; 21; 22; 31; 32 vacuum holes.
  • the back of the belt is equipped with suction pockets to increase the suction area.
  • the transport devices 10; 20; 30 in each case two mutually parallel circumferential suction belts 11; 12; 21; 22; 31; 32 on. More preferred are individual or each suction belt 11; 12; 21; 22; 31; 32 assigned two or three independently switchable vacuum areas 16.
  • the vacuum regions 16 can be designed as chambers, with each of the chambers being able to be assigned a switchable valve, with which the respective chamber can be alternately connected to a vacuum source or separated from the vacuum source as required.
  • the vacuum is preferably switched via 2/3-way valves.
  • the vacuum areas 16 of a respective transport device 10; 20; 30 preferably adjoin one another, viewed in the direction of transport 06.
  • a transport device 10; 20; 30 with the flat metal sheets the last flat metal sheet the same transport device 30; 10; 20 can still overlap, ie if several sheet metal panels in the area of a respective transport device 30; 10; 20 are, the vacuum must be in several areas within a transport device 30; 10; 20 can be controlled separately.
  • a slight excess pressure can be applied to the system, in particular to the vacuum areas 16 . The valve then switches between vacuum and slight overpressure.
  • first transport device 10 and the second transport device 20 and a further transport device 30 can each have two suction belts 11; 12; 21; 22; 31; 32 include and the track width of the suction belt 11; 12 of the first transport device 10 to be greater than the track width of the suction belt 21; 22; 31; 32 of the second transport device 20 and/or the further transport device 30.
  • the different gauges of the suction belt 11; 12; 21; 22; 31; 32 of the transport devices 10; 20; 30 overlap viewed in the transport direction 06.
  • the overlap is preferably in the range of 10 percent of the extent of the respective suction belts 11; 12; 21; 22; 31; 32 in transport direction 06.
  • the means of transport 11; 12; 21; 22; 31; 32, in particular the suction belts 11; 12; 21; 22; 31; 32 are paired by means of transport drives 19; 27; 33 revolving driven.
  • each transport device 10; 20; 30 one of the other transport drives 19; 27, 33 independent means of transport drive 19; 27; 33 on.
  • the suction belt 11; 12; 21; 22; 31; 32 of a pair of belts of a transport device 10; 20; 30 can also have a common drive shaft by a transport means drive designed as a servo motor 19; 27; 33 are driven.
  • the suction belts 21; 22; 31; 32 of the second and the further transport device 20; 30 by the respective means of transport drives 27; 33 can be driven at variable speeds in the direction of transport 06 for transporting sheet metal panels.
  • the second transport device 20 has transport means 21 that can be accelerated and/or decelerated. 22 in the form of suction belts 21; 22 on. This means that the suction belts 21; 22 can be driven at a speed that is equal to, greater than or less than a transport speed of the processing unit.
  • the first transport device 10 is designed to implement a skew correction.
  • the first transport device 10 is perpendicular to the Axis running in the transport plane can be rotated and slidably mounted transversely to the direction of transport 06 with displacement of the axis.
  • the rotatable mounting of the first transport device 10 can be implemented by forming a bearing point, for example a turntable, with a rotational degree of freedom.
  • the rotatable bearing is preferably formed centrally in relation to the first transport device 10 .
  • the first transport device 10 also has a drive 15 with which the first transport device 10 can be rotated about an axis running through the bearing point.
  • the axis preferably runs perpendicular to the transport plane.
  • the drive 15 can be formed by an electromechanical cylinder 15 which acts on the first transport device 10 or parts thereof via a lever.
  • the first transport device 10 is also mounted so that it can be displaced transversely to the transport direction 06.
  • the first transport device 10 preferably has a linear guide 14 .
  • the first transport device 10 also includes a drive 13, with which the first transport device 10 can be displaced transversely to the transport direction 06 via the linear guide 14.
  • the drives 13; 15 can be controlled independently of one another.
  • the second transport device 20 is designed to implement a lateral position correction and is preferably mounted so that it can be displaced only transversely to the transport direction 06.
  • the structural design of the bearing means and drive means for realizing the displaceability transversely to the transport direction 06 is the same for the first and the second transport device 10; 20 preferably identical.
  • the second transport device 20 has a linear guide 24 and a drive 23, with which the second transport device 20 can be displaced on the linear guide 24 transversely to the transport direction 06.
  • the further transport device 30 is mounted rigidly in the frame.
  • the drives 13; 23 for transverse displacement as servomotors 13; 23 be trained.
  • the transport devices 10; 20; 30 each as units with respective means of transport drives 19; 27; 33 taken.
  • a transport device 10; 20 also always the associated means of transport drive 19; 27 relocatable.
  • all transport devices 10; 20; 30 mounted on a common frame.
  • the frame is firmly connected to the processing unit, for example a painting machine.
  • First, second and third sensors 41; 42; 43 formed and in the area of the transport devices 10; 20; 30 arranged.
  • First sensors 41 for detecting the inclined position of a respective flat sheet metal panel are preferably arranged in transport direction 06 upstream of the first transport device 10 and/or in the area of the first transport device 10 and/or in the area of a further transport device 30.
  • first sensors 41 can be embodied as two laser light barriers or reflection laser light barriers arranged spaced apart from one another transversely to transport direction 06 .
  • the first two sensors 41 are preferably designed to sense very quickly and are arranged at the same height in the direction of transport 06 and at a defined distance transversely to the direction of transport 06.
  • the distance is preferably 620 mm.
  • With the First sensors 41 are used to measure the oblique angle of the respective flat metal sheet via the time difference between triggering/sensing at the front edge of the flat metal sheet being transported.
  • At least one second sensor 42 can be arranged to detect the lateral position of a respective flat metal sheet.
  • Two second sensors 42 are preferably formed and are each assigned to one of the two side areas of the transport path. With the arrangement of two second sensors 42, one of the two side edges of the respective flat sheet metal panel can be sensed.
  • the or all of the second sensors 42 can be embodied as sensors 42 that extend transversely to the direction of transport 06 or can be displaced transversely to the direction of transport 06. The use of line sensors or laser line sensors is advantageous.
  • At least one third sensor 43 can be arranged to detect the longitudinal position of a respective flat metal sheet.
  • the at least one third sensor 43 is preferably designed as a laser light barrier.
  • sensors 41; 42; 43 for position detection there can also be sensors for checking the sheet movement and for measuring the vacuum level. It goes without saying that all movements and position corrections must be made in coordination with a respective system angle, for example of the processing unit.
  • This system angle can be fed to the transport device 01, in particular to its control in the form of an electronic master axis.
  • An angular position sensor can also be provided for detecting the system angle.
  • the transport device 01 can be used to carry out a method that is described below. The procedure is not limited to the use of the described transport device 01 limited.
  • alignment of the edge or alignment of the position are understood synonymously with correction of the edge position or correction of the position.
  • the flat sheet metal panels are transported in a horizontal position arranged one behind the other and aligned during transport.
  • the inclined position of the respective flat metal sheet is sensed and a first transport device 10 is rotated during the transport of the flat metal plate held by the first transport device 10, depending on the sensed inclined position, about an axis running perpendicular to the transport plane and displaced transversely to the transport direction 06.
  • the first transport device 10 is preferably displaced transversely to the transport direction 06 by a distance that corresponds to the displacement of the respective flat metal sheet transverse to the transport direction 06 resulting from the rotation of the first transport device 10 during the transport of a respective flat metal sheet.
  • the shift corrects a lateral position error that results exclusively from the rotation and the superimposed further transport of a respective flat metal sheet, for example by the suction belts 11, 12 during the twisting.
  • the first transport device 10 conveys the respective flat metal sheet at a slight angle, depending on the case, which is corrected by moving the first transport unit 10 transversely to the transport direction 06.
  • the speed of the transverse movement is dependent on the twisting angle.
  • the resulting conveying direction of the respective flat metal sheet is perpendicular to the processing gap, in particular the lacquer gap, of a processing unit.
  • the displacement of the first transport unit 10 transversely to the transport direction 06 preferably takes place as a function of the rotary deflection of the transport unit 10.
  • the speed of the transverse movement depends linearly on the angle of the rotary movement.
  • the lateral position of the respective flat metal sheet is sensed and a second transport device 20 is displaced transversely to the transport direction 06 during the transport of the flat metal sheet held by the second transport device 20 .
  • the lateral position correction can take place before or after the skew correction, so that the second transport unit 20 could also be arranged in front of the first transport unit 10 .
  • the circulating transport means 21; 22 can be driven at times, depending on the sensed longitudinal position of a respective flat metal sheet, at a speed that is increased or reduced in relation to the transport speed of a processing unit downstream of the second transport device 20 .
  • the correction of the longitudinal position of a respective flat metal sheet can also be carried out with the additional transport device 30 .
  • the transfer to the machining process must take place at a transport speed of the machining process or the machining machine.
  • a feeder is configured upstream of transport device 01, which, when sheet metal panels are provided, creates larger distances between the front edges of successive sheet metal panels than is required when processing the sheet metal panels by a processing unit downstream of transport device 01, the sheet metal panels can preferably be fed on the further and/or the second transport device 30; 20 are braked. This can be done in superimposition to the longitudinal correction.
  • This condition is also referred to as driving the feeder with a different format than the processing unit.
  • the lateral position and the longitudinal position of a respective flat metal sheet are corrected simultaneously by shifting the second transport device 20 and changing the transport speed.
  • the flat sheet metal panels are during the transport of the first transport device 10 and / or the second transport device 20 or each transport device 10; 20; 30 held by vacuum.
  • first transport device 10 and/or the second transport device 20 and/or each transport device 10; 20; 30 vacuum areas 16 that adjoin one another in the direction of transport 06, their vacuum is successively deactivated or activated in areas during the transfer and/or acceptance of a respective flat metal sheet.
  • the longitudinal position of the respective sheet-like metal sheet is sensed during the transport of the respective sheet-like sheet metal panel held by the second transport device 20, with sensing quite generally being the detection with a sensor 41; 42; 43 is understood.
  • the lateral position of the respective flat metal sheet is detected during the transport of the respective flat metal sheet held by the second transport device 20 and the second transport device 20 is displaced transversely to the transport direction 06 depending on the lateral position sensed.
  • the lateral position and the longitudinal position are sensed simultaneously.
  • the inclined position of the respective sheet metal plate is sensed in particular during the transport of the sheet metal plate held by the first transport device 10 or during the transport of the sheet metal plate held by another transport device 30 arranged upstream of the first transport device 10 .
  • the flat metal sheet is sucked in by means of a vacuum and held on a first transport section along the first transport device 10 .
  • a vacuum In the area in front of the first transport section or in the area of the first transport section, an inclined position of the flat metal sheet is sensed.
  • the determination of the lateral position and the longitudinal position of the two-dimensional metal sheet is then carried out.
  • the lateral movement is carried out in the area of the second transport section and/or the transport speed in the area of the second transport section is temporarily changed. This is followed by the transfer to the machining process with a transport speed of the machining process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Claims (15)

  1. Procédé destiné à amener en position précise des plaques de tôle de forme plane vers un groupe d'impression ou de vernissage d'une machine de revêtement de tôle, dans lequel les plaques de tôle sont transportées en position couchée dans un agencement où elles sont les unes derrière les autres et orientées pendant le transport, dans lequel la position inclinée de la plaque de tôle de forme plane respective est détectée pour la correction de position inclinée et un premier équipement de transport (10) est tourné pendant le transport de la plaque de tôle de forme plane maintenue par le premier équipement de transport (10) autour d'un axe qui se déroule perpendiculairement au plan de transport et en fonction de la position inclinée détectée et est décalé transversalement à la direction de transport (06) et la position latérale de la plaque de tôle de forme plane respective est détectée pour la correction de position inclinée, et un deuxième équipement de transport (20) est décalé transversalement à la direction de transport (06) pendant le transport de la plaque de tôle de forme plane maintenue par le deuxième équipement de transport (20), caractérisé en ce que le premier équipement de transport (10) est décalé selon un trajet transversal à la direction de transport (06), lequel trajet correspond au déplacement transversal par rapport à la direction de transport d'une plaque de tôle de forme plane respective, ledit déplacement résultant de la rotation du premier équipement de transport (10) pendant le transport de la plaque de tôle de forme plane respective.
  2. Procédé selon la revendication 1, caractérisé en ce que la position inclinée de la plaque de tôle de forme plane respective est détectée pendant le transport de la plaque de tôle de forme plane maintenue par le premier équipement de transport (10) ou pendant le transport de la plaque de tôle de forme plane maintenue par un autre équipement de transport (30) agencé en amont du premier équipement de transport (10).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la position latérale de la plaque de tôle de forme plane respective est saisie pendant le transport de la plaque de tôle de forme plane respective maintenue par le deuxième équipement de transport (20) et le deuxième équipement de transport (20) est décalé transversalement à la direction de transport (06) en fonction de la position latérale détectée.
  4. Procédé selon la revendication 1, 2 ou 3, caractérisé en ce que la position longitudinale de la plaque de tôle respective est détectée pendant le transport de la plaque de tôle respective maintenue par le deuxième équipement de transport (20) et des moyens de transport (21; 22) périphériques compris par le deuxième équipement de transport (20) sont temporairement entraînés en fonction de la position longitudinale détectée avec une vitesse augmentée ou diminuée par rapport à la vitesse de transport pour la remise des plaques de tôle de forme plane à une unité d'usinage agencée en aval du deuxième équipement de transport (20).
  5. Procédé selon la revendication 1, 2, 3 ou 4, caractérisé en ce que la position latérale et la position longitudinale sont détectées simultanément et/ou la position latérale et la position longitudinale sont corrigées simultanément par décalage du deuxième équipement de transport (20) et modification de la vitesse de transport.
  6. Procédé selon la revendication 1, 2, 3, 4 ou 5, caractérisé en ce que le premier équipement de transport (10) et/ou le deuxième équipement de transport (20) et/ou chaque équipement de transport (10 ; 20 ; 30) présentent respectivement des zones de vide (16) qui se raccordent les unes aux autres dans la direction de transport (06) et dont le vide est désactivé ou activé l'un après l'autre par zone lors de la remise et/ou lors de la prise en charge d'une plaque de tôle de forme plane respective.
  7. Procédé selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisé en ce que la plaque de tôle de forme plane est aspirée au moyen du vide et maintenue sur une première voie de transport le long du premier équipement de transport (10), une détection d'une position inclinée de la plaque de tôle de forme plane se produit dans la zone avant la première voie de transport ou dans la zone de la première voie de transport, puis le mouvement de rotation pour la correction de position inclinée ainsi qu'un mouvement de décalage se produisent transversalement à la direction de transport (06) dans la zone de la première voie de transport, la plaque de tôle de forme plane est ensuite transférée depuis la première voie de transport vers une seconde voie de transport le long du deuxième équipement de transport (20) et simultanément le vide est réduit dans la zone de la première voie de transport et un vide est constitué dans la zone de la seconde voie de transport pour maintenir la plaque de tôle de forme plane, puis se produit l'établissement de la position latérale et de la position longitudinale de la plaque de tôle de forme plane et ensuite, dans le cas d'une correction de la position latérale et/ou longitudinale, le mouvement latéral est réalisé dans la zone de la seconde voie de transport et/ou la vitesse de transport est temporairement modifiée dans la zone de la seconde voie de transport, et enfin la remise pour un processus d'usinage se produit avec une vitesse de transport du processus d'usinage.
  8. Dispositif destiné à amener en position précise des plaques de tôle de forme plane vers un groupe d'impression ou de vernissage d'une machine de revêtement de tôle, dans lequel les plaques de tôle de forme plane sont transportées en position couchée dans un agencement où elles sont les unes derrière les autres au moyen d'un dispositif de transport (01) et orientées pendant le transport, pour réaliser le procédé selon une ou plusieurs des revendications précédentes 1 à 10, dans lequel le dispositif de transport (01) présente un premier équipement de transport (10) pour une correction de position inclinée et un deuxième équipement de transport (20) pour une correction de position latérale, dans lequel le premier équipement de transport (10) est rotatif autour d'un axe qui se déroule perpendiculairement au plan de transport, et monté de façon à pouvoir être décalé transversalement à la direction de transport (06) en cas de déplacement de l'axe et le deuxième équipement de transport (20) est agencé en amont du premier équipement de transport (10) dans la direction de transport (06) et monté de façon à pouvoir être décalé transversalement à la direction de transport (06).
  9. Dispositif selon la revendication 8, caractérisé en ce que vu dans la direction de transport (06) un autre équipement de transport (30) est agencé en amont du premier équipement de transport (10).
  10. Dispositif selon la revendication 8 ou 9, caractérisé en ce que le premier équipement de transport (10) et/ou le deuxième équipement de transport (20) et/ou un autre équipement de transport (30) comprennent en tant que moyen de transport (11 ; 12 ; 21 ; 22 ; 31 ; 32) respectivement deux courroies d'aspiration (11 ; 12 ; 21 ; 22 ; 31 ; 32) qui se déroulent parallèlement, et deux ou trois zones de vide (16) qui peuvent être commutées indépendamment les unes des autres sont attribuées à chaque courroie d'aspiration (11 ; 12 ; 21 ; 22 ; 31; 32).
  11. Dispositif selon la revendication 8, 9 ou 10, caractérisé en ce que le premier équipement de transport (10) et le deuxième équipement de transport (20) et un autre équipement de transport (30) comprennent respectivement deux courroies d'aspiration (11 ; 12 ; 21 ; 22 ; 31 ; 32) qui se déroulent parallèlement, et l'écartement des courroies d'aspiration (11 ; 12) du premier équipement de transport (10) est supérieur à l'écartement des courroies d'aspiration (21 ; 22 ; 31 ; 32) du deuxième équipement de transport (20) et/ou de l'autre équipement de transport (30).
  12. Dispositif selon la revendication 8, 9, 10 ou 11, caractérisé en ce que le premier équipement de transport (10) et/ou le deuxième équipement de transport (20) présentent respectivement un guidage linéaire (14 ; 24) et un entraînement (13 ; 23) avec lequel l'équipement de transport (10 ; 20) respectif peut être décalé sur le guidage linéaire (14 ; 24) respectif transversalement à la direction de transport (06).
  13. Dispositif selon la revendication 8, 9, 10, 11 ou 12, caractérisé en ce que le premier équipement de transport (10) présente un point de palier avec un degré de liberté rotatif et un autre entraînement (15) avec lequel le premier équipement de transport (10) peut être tourné autour d'un axe qui se déroule à travers le point de palier.
  14. Dispositif selon la revendication 8, 9, 10, 11, 12 ou 13, caractérisé en ce que des caisses d'air de soufflage (25 ; 17) avec des buses de Venturi (18 ; 26) sont agencées de façon fixe dans la zone du premier équipement de transport (10) et/ou du deuxième équipement de transport (20) et/ou d'un autre équipement de transport (30).
  15. Dispositif selon la revendication 8, 9, 10, 11, 12, 13 ou 14, caractérisé en ce que des premiers capteurs (41) pour saisir la position inclinée d'une plaque de tôle de forme plane respective sont agencés dans la direction de transport (06) avant le premier équipement de transport (10) et/ou dans la zone du premier équipement de transport (10) et/ou dans la zone d'un autre équipement de transport (30).
EP21161483.9A 2020-04-17 2021-03-09 Procédé et dispositif d'alimentation à position exacte des feuilles de tôle destinés à un processus de traitement ou une unité de traitement Active EP3896018B1 (fr)

Applications Claiming Priority (1)

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DE102020110509.6A DE102020110509B4 (de) 2020-04-17 2020-04-17 Verfahren und Vorrichtung zum positionsgenauen Zuführen von Blechtafeln zu einem Druck- oder Lackierwerk einer Blech-Beschichtungsmaschine

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EP3896018A1 EP3896018A1 (fr) 2021-10-20
EP3896018B1 true EP3896018B1 (fr) 2022-07-13

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Publication number Priority date Publication date Assignee Title
DE102021129340B3 (de) * 2021-11-11 2022-10-20 Koenig & Bauer Ag Produktionslinie zur Bearbeitung von Blechtafeln
DE102021129339B3 (de) * 2021-11-11 2022-11-03 Koenig & Bauer Ag Produktionslinie zur Bearbeitung von Blechtafeln
DE102023112363B3 (de) * 2023-05-10 2024-07-25 Mb Automation Gmbh & Co. Kg Vorrichtung und Verfahren zum Zu- oder Abführen von Lagenmaterial

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Publication number Priority date Publication date Assignee Title
FR2684975B1 (fr) 1991-12-13 1994-03-11 Lucas Sa Dispositif de manutention et d'orientation d'objets plats disposes en paquets.
US5984301A (en) * 1997-02-19 1999-11-16 Carruthers Equipment Co. Position adjustment conveyor
DE19814141C2 (de) 1998-03-30 2003-08-14 Ltg Holding Gmbh Verfahren und Vorrichtung zum positionsgenauen Zuführen von flächenförmigen Gütern zu einem Bearbeitungsprozeß
DE102007031115B4 (de) 2007-06-28 2009-04-23 Kba-Metalprint Gmbh Vorrichtung zum positionsgenauen Zuführen von tafelförmigen Gütern sowie entsprechendes Verfahren
DE102017111311A1 (de) * 2016-05-25 2017-11-30 manroland sheetfed GmbH Vorderkantenausrichtung in Anlegeeinheit
DE102017012279B3 (de) 2017-11-27 2019-06-27 Koenig & Bauer Ag Bogenverarbeitende Maschine

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ES2926457T3 (es) 2022-10-26
EP3896018A1 (fr) 2021-10-20
DE102020110509B4 (de) 2022-07-14

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