EP3221221B1 - Vorrichtung zur optischen inspektion einer seite eines rohlings, sowie mit der inspektionsvorrichtung versehenen bearbeitungsvorrichtung für rohling und falt-klebevorrichtung - Google Patents

Vorrichtung zur optischen inspektion einer seite eines rohlings, sowie mit der inspektionsvorrichtung versehenen bearbeitungsvorrichtung für rohling und falt-klebevorrichtung Download PDF

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Publication number
EP3221221B1
EP3221221B1 EP15797861.0A EP15797861A EP3221221B1 EP 3221221 B1 EP3221221 B1 EP 3221221B1 EP 15797861 A EP15797861 A EP 15797861A EP 3221221 B1 EP3221221 B1 EP 3221221B1
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EP
European Patent Office
Prior art keywords
box
suction section
suction
central
downstream
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
EP15797861.0A
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English (en)
French (fr)
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EP3221221A1 (de
EP3221221B2 (de
Inventor
Sacha Bourgeois
Dimitri Favini
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Bobst Mex SA
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Bobst Mex SA
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Application filed by Bobst Mex SA filed Critical Bobst Mex SA
Priority to PL15797861T priority Critical patent/PL3221221T3/pl
Publication of EP3221221A1 publication Critical patent/EP3221221A1/de
Publication of EP3221221B1 publication Critical patent/EP3221221B1/de
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Publication of EP3221221B2 publication Critical patent/EP3221221B2/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/126—Feeding carton blanks in flat or collapsed state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/006—Controlling; Regulating; Measuring; Improving safety
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/07—Feeding sheets or blanks by air pressure or suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/006—Controlling; Regulating; Measuring; Safety measures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/145—Feeding carton blanks from piles or magazines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
    • B65H5/224—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by 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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
    • B65H5/226—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by suction rollers
    • 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
    • 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
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
    • B31B2120/302—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing collapsible into a flat condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/042—Feeding sheets or blanks using rolls, belts or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B31B50/624—Applying glue on blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/01—Function indicators indicating an entity as a function of which control, adjustment or change is performed, i.e. input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/03—Function indicators indicating an entity which is measured, estimated, evaluated, calculated or determined but which does not constitute an entity which is adjusted or changed by the control process per se
    • 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
    • B65H2301/44734—Belts, endless moving elements on which the material is in surface contact overhead, i.e. hanging material ba attraction forces, e.g. suction, magnetic forces
    • 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
    • B65H2404/25—Driving or guiding arrangements
    • B65H2404/255—Arrangement for tensioning
    • 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
    • B65H2406/323—Overhead suction belt, i.e. holding material against gravity
    • 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
    • B65H2406/363—Means for producing, distributing or controlling suction adjusting or controlling distribution of vacuum for a plurality of 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/40—Identification
    • B65H2511/413—Identification of image
    • 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
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • 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
    • B65H2553/42—Cameras
    • 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
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/111—Plane geometry, contour
    • 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
    • B65H2701/176—Cardboard
    • B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes

Definitions

  • the present invention relates to the field of the manufacture of packaging, including packaging made from sheets or strips precut, including paper cuts, plastic or cardboard, whether flat, corrugated or mixed.
  • packaging made from sheets or strips precut, including paper cuts, plastic or cardboard, whether flat, corrugated or mixed.
  • the present invention is used in the field of manufacturing folding boxes.
  • the present invention relates to a device for controlling the quality of blanks circulating in a processing machine such as a folder-gluing machine.
  • each cut is thus maintained from above on its internal face, so that its printed face, which is turned downwards, is completely unobstructed.
  • the bottom inspection is carried out by means of a camera which is located under the vacuum conveyor, and which operates against the surface. Associated with a suitable lighting system, the camera shoots each printed side as the cuts scroll.
  • the flow path of the cut passes into a section with a background element that improves contour control. and which is located between two separate sections and slightly spaced from the circulation path, each provided with a box in which a depression is generated to maintain the cutting plate by its upper face against a conveyor belt, while its printed underside is controlled .
  • defects are defined by way of example as, in particular, errors of printing in the text, colors, color register, etc., embossing errors, other appearance defects, such as holes, breaks, tears, etc., cutting errors, oil stains, and more.
  • this technique provides a positional instability of the cutout because in the area of the background element, although certainly much smaller than the length of the cutout, the latter is not maintained by suction . Indeed, during the advance of cutting from the upstream section of the vacuum conveyor to the downstream section of the vacuum conveyor, the cut is cantilever when its front edge and then its trailing edge is no longer sucked.
  • An object of the present invention is to provide an improved control device which ensures a stable position of the blank when it passes the means of inspection and control of its surface.
  • the optical control device comprising suction means which delimit three successive distinct suction sections along the circulation path, including a central suction section which extends opposite the inspection means, an upstream suction section and a downstream suction section.
  • Such a device makes it possible to regulate the vacuum allowing the conveyor belt blank to be sucked and retained at the level of the central suction section and therefore at the level of the inspection means.
  • the most appropriate vacuum intensity can be chosen to stabilize the cut for inspection by the inspection means.
  • control device further comprises, facing the inspection means, means for tensioning the conveyor belt.
  • tensioning means can be arranged to ensure a flatness of the conveyor belt so that the position of the cut on the strip allows optimal optical control, thanks to a controlled and constant orientation of the cut with respect to one part to the lighting system and the other to the camera.
  • the invention can be implemented regardless of the direction of movement of the cuts, adapting accordingly the arrangement of the conveyor belt, inspection means and suction means, along the path of circulation of cuts.
  • Such a control device can be done during the displacement of each cut that is made with the printed side facing downwards, for example by keeping the cutout from above, while the inspection of the printed face is carried out from below.
  • control device so that each cutout moves via the conveyor belt with its printed face facing upwards, so that the inspection takes place from above, and for example the maintenance of the cut is carried out from below.
  • the control device is also possible in the case where the displacement of the cuts is made in a substantially vertical plane.
  • the present invention also relates to a cutting processing machine according to claim 12, and to a folder-gluer machine according to claim 13, equipped with a control device according to claim 1.
  • the Fig. 1 represents a folder-gluer machine 100, that is to say a processing machine which is responsible for folding and gluing blanks to make folding boxes.
  • this folder-gluer 100 is conventionally composed, from upstream to downstream, of a feeder module 110 or margin table, an alignment module 120, an embossing module 130 , in particular for braille, a fold pre-crease module 140, a gluing module 150, a folding module 160, a transfer module 170 and a receiving module 180. cuts move from upstream to downstream from one module to another in the folder-gluer machine 100, in the longitudinal direction (direction of the arrow A visible on the Figs. 1 and 2 ).
  • the folder-gluer 100 is further provided with a control device 10 which is integrated directly between the alignment module 120 and the embossing module 130.
  • This control device 10 is intended to perform an online quality control at same within the folder-gluer 100, by systematically inspecting all the cutouts 12 which circulate with their printed face 13 facing downwards (lower face), and their inner face 14, not printed, facing upwards (face higher).
  • the control device 10 (see Fig. 2 ) comprises a vacuum conveyor 20.
  • the conveyor 20 comprises firstly a conveyor belt 22, which is responsible for continuously conveying each cutout 12.
  • Each cutout 12 is conveyed while being held by the top at its upper face 14 , intended to constitute the inner face of a box, along a given travel path 15.
  • This conveyor belt 22 is set in motion by the motor 23 in an endless loop.
  • the control device 10 also has inspection means 30 making it possible to inspect by below the lower face 13 of each cutout 12 during its transport along the path 15 which passes right through the control device 10, from right to left on the Fig. 2 .
  • the inspection means 30 include in particular a camera 32 and a lighting system 31 oriented and converging (see lines tilted in Fig. 2 ) to the same control zone 33.
  • the control zone 33 may for example be in the form of a transverse line or an elongated rectangle transversely located at the level of the circulation path 15.
  • the cut is retained by the conveyor belt 22 along the circulation path 15 which follows the substantially horizontal and flat lower section of the conveyor belt 22. More precisely, the cutout 12 is retained by suction against the underside of the conveyor belt 22 by means of the suction means 40 disposed above the conveyor belt 22 along the circulation path 15 of the cutout 12.
  • the conveyor belt 22 is operative at three distinct sections 41, 42 and 43 of the circulation path 15, traversed successively by the cutout 12.
  • An upstream suction section 41 is followed by a central suction section 42, which extends opposite the inspection means 30, and which is followed by a downstream suction section 43.
  • the cutout 12 is perfectly plated. against the conveyor belt 22 between the inspection means 30 and the conveyor belt 22.
  • Each of the sections, the central suction section 42, the upstream suction section 41 and the downstream suction section 43, comprises a box in which a vacuum is generated (arrows V in FIG. Fig. 2 ). More precisely, an upstream caisson 41a, a central caisson 42a and a downstream caisson 43a are respectively aligned in the direction of advance A.
  • the caissons 41a, 42a and 43a are located above and behind the conveyor belt 22, itself located above and behind the cutout 12, which is itself located above and behind the inspection means 30, during the visual control of its underside 13 printed and / or bearing reliefs .
  • the conveyor belt 22 is kept flat and continuous over the entire lower surface extending along the circulation path 15 of the distinct sections 41, 42 and 43 and the caissons 41a, 42a and 43a.
  • the central suction box 42a comprises at least one suction opening, the opening or openings opening directly at the control zone 33.
  • each box 41a, 42a and 43a can communicate with a vacuum pump.
  • This solution with an individual suction pump for the upstream box 41a, the central box 42a and the box downstream 43a is not always possible, especially for reasons of space.
  • the presence of three vacuum pumps has a significant cost.
  • the vacuum conveyor 20 comprises a first vacuum pump 44 and a second vacuum pump 45.
  • the first vacuum pump 44 is coupled and communicates with the upstream suction box 41a of the upstream suction section 41.
  • the second vacuum pump 45 is coupled and communicates both with the central box 42a of the central suction section 42 with the downstream box 43a of the downstream suction section 43.
  • the vacuum air is shared between the central box 42, used to maintain a section of the strip 22 facing the inspection means 30, and the downstream box 43, for maintaining the section of the strip 22 located downstream of the inspection means 30 .
  • This sharing of the suction provided by the second vacuum pump 45 can be performed according to a distribution chosen according to the data and dimensions of the control device 10, and in particular the volume of the central box 42a and the downstream box 43a.
  • less than half of the output section of the second vacuum pump 45 is coupled to the central box 42a of the central suction section 42.
  • less than one-third less than the exit section of the the second vacuum pump 45 is coupled to the central box 42a of the central suction section 42.
  • of the order of one third of the outlet section of the second vacuum pump 45 is coupled to the central box 42a of the central suction section 42.
  • the central box 42a and the downstream box 43a respectively represent the order of 5% and 95% of the total volume formed by the central box 42a and the downstream box 43a.
  • At least one of the upstream box 41a, the central box 42a and the downstream box 43a has an adjustable suction volume.
  • the upstream box 41a and the downstream box 43a have an editable volume.
  • Such modularity is obtained for example by compartmentalizing the upstream 41a and downstream 43a caissons, with internal walls and by equipping the upstream 41a and downstream 43a caissons with a movable flap at the entrance of each compartment, which can be open or closed at will.
  • the upstream box 41a and the downstream box 43a comprise a lower perforated wall, extending along the circulation path 15.
  • the conveyor belt 22 has a perforated structure, which is able to slide against each perforated wall.
  • the strip 22 covers at least partially the width of each perforated wall of the upstream box 41a and the downstream box 43a. In a preferred arrangement, the strip 22 substantially completely covers the width of each perforated wall of the upstream box 41a and the downstream box 43a.
  • the outlet section of the central box 42a is of low amplitude, and is not equipped with a perforated wall.
  • the vacuum conveyor 20 comprises tensioning means 50 of the band 22, ensuring local rigidity of the band 22.
  • These tensioning means 50 comprise a pair of rollers 51 and 52 spaced apart along the circulation path 15. More specifically, each upstream roller 51 and each downstream roller 52 is disposed above the conveyor belt 22. The vacuum generated by the central box 42a will press the strip 22 at and against these fixed rollers 51 and 52, which will guarantee a flat inspection surface.
  • the rollers 51 and 52 are situated along the central suction section 42. Furthermore, preferably, the rollers 51 and 52 respectively delimit the upstream position and the downstream position of the central suction section 43.
  • the central box 43a extends along the direction of advance A between the rollers 51 and 52.
  • the rollers 51 and 52 are spaced from each other along the direction of advance A d a distance of the order of 30 mm, and preferably between 20 mm and 50 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (13)

  1. Vorrichtung zur optischen Kontrolle (10) einer Fläche (13) eines Zuschnitts (12), umfassend:
    - ein Vakuumband (20), das geeignet ist, den Zuschnitt (12) entlang eines Umlaufweges (15) zu transportieren, und umfassend
    ein Förderband (22) mit durchbrochener Struktur, dessen Laufstrecke dem Umlaufweg (15) des Zuschnitts (12) folgt, und
    Ansaugmittel (40), die geeignet sind, den Zuschnitt (12) gegen das Förderband (14) zu pressen und die einen vorgelagerten Ansaugabschnitt (41) und einen nachgelagerten Ansaugabschnitt (43) begrenzen,
    - Mittel (30) zum Überprüfen der Fläche (13) des Zuschnitts (12) während seines Transports durch das Vakuumband (20), die auf der gegenüberliegenden Seite des Vakuumbands (20) angeordnet sind,
    dadurch gekennzeichnet, dass die Ansaugmittel (40) drei verschiedene aufeinanderfolgende Ansaugabschnitte (41, 42, 43) entlang des Umlaufwegs (15) begrenzen, darunter einen mittleren Ansaugabschnitt (42), der sich gegenüber von den Mitteln zum Überprüfen (30) erstreckt, der vorgelagerte Ansaugabschnitt (41) und der nachgelagerte Ansaugabschnitt (43), wobei der mittlere Ansaugabschnitt (42) einen mittleren Ansaugkasten (42a) aufweist, in dem ein Unterdruck erzeugt wird und der mindestens eine Ansaugöffnung aufweist, wobei die Öffnung oder die Öffnungen direkt an einem Kontrollbereich (33) münden.
  2. Vorrichtung nach Anspruch 1, weiter umfassend gegenüber von den Mitteln (30) zum Überprüfen (30) Mittel zum Spannen (50) des Bandes (22).
  3. Vorrichtung nach Anspruch 2, wobei die Mittel zum Spannen (50) ein Paar Rollen (51, 52) aufweisen, die entlang des Umlaufweges (15) beabstandet sind.
  4. Vorrichtung nach Anspruch 3, wobei die Rollen (51, 52) entlang des mittleren Ansaugabschnitts (42) angeordnet sind.
  5. Vorrichtung nach Anspruch 4, wobei die Rollen (51, 52) die vorgelagerte und nachgelagerte Position des mittleren Ansaugabschnitts (42) begrenzen.
  6. Vorrichtung nach einem der vorstehenden Ansprüche, wobei der mittlere Ansaugabschnitt (42), der vorgelagerte Ansaugabschnitt (41) und der nachgelagerte Ansaugabschnitt (43) jeweils einen Kasten (41a, 42a, 43a) aufweisen, in dem ein Unterdruck erzeugt wird.
  7. Vorrichtung nach Anspruch 6, wobei der Kasten (41a, 42a, 43a) mit einer Unterdruckpumpe in Verbindung steht.
  8. Vorrichtung nach Anspruch 7, umfassend eine erste Unterdruckpumpe (44), die gleichzeitig mit dem vorgelagerten Kasten (41a) des vorgelagerten Ansaugabschnitts (41) und mit dem mittleren Kasten (42a) des mittleren Ansaugabschnitts (42) verbunden ist, und eine zweite Unterdruckpumpe (45) aufweist, die mit dem nachgelagerten Kasten (43a) des nachgelagerten Ansaugabschnitts (43) in Verbindung steht.
  9. Vorrichtung nach Anspruch 8, wobei weniger als die Hälfte des Austrittsquerschnitts der zweiten Unterdruckpumpe (45) mit dem mittleren Kasten (42a) des mittleren Ansaugabschnitts (42) verbunden ist.
  10. Vorrichtung nach einem der Ansprüche 7 bis 9, wobei mindestens einer der Kästen (41a, 42a, 43a) ein einstellbares Ansaugvolumen aufweist.
  11. Vorrichtung nach einem der Ansprüche 7 bis 10, wobei der vorgelagerte Kasten (41a) und der nachgelagerte Kasten (43a) eine durchbrochene Wand aufweisen, die sich entlang des Umlaufwegs (15) erstreckt, und dass das Band (22) eine durchlöcherte Struktur aufweist, die geeignet ist, an der durchbrochenen Wand zu gleiten.
  12. Maschine zum Bearbeiten von Zuschnitten (100), die mit einer Vorrichtung zur Kontrolle (10) nach einem der vorstehenden Ansprüche ausgestattet ist.
  13. Falz-Klebemaschine, die mit einer Vorrichtung zur Kontrolle (10) nach einem der Ansprüche 1 bis 11 ausgestattet ist.
EP15797861.0A 2014-11-19 2015-11-10 Vorrichtung zur optischen inspektion einer seite eines rohlings, sowie mit der inspektionsvorrichtung versehene bearbeitungsvorrichtung für rohling und falt-klebevorrichtung Active EP3221221B2 (de)

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EP14020088 2014-11-19
PCT/EP2015/025078 WO2016078776A1 (fr) 2014-11-19 2015-11-10 Dispositif de contrôle optique d'une face d'une découpe

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EP0888992A2 (de) 1997-07-01 1999-01-07 MAN Roland Druckmaschinen AG Anlegetisch zum taktmässigen Fördern von Bogen zu einer Bogen verarbeitenden Maschine
DE69511300T2 (de) 1994-02-04 2000-02-10 De La Rue Giori Sa Qualitätskontroll-Anlage für gedruckte Blätter, insbesondere Wertpapiere
WO2001014235A1 (de) 1999-08-20 2001-03-01 Koenig & Bauer Aktiengesellschaft Verfahren und vorrichtung zur verarbeitung von wertpapieren
DE102004005232A1 (de) 2003-02-24 2006-02-16 Heidelberger Druckmaschinen Ag Saugbandmodul mit einem Gebläse
EP2241523A1 (de) 2008-01-10 2010-10-20 Seiko I Infotech Inc. Förderkörper und fördervorrichtung
DE102009032966A1 (de) 2009-07-14 2011-01-20 Gmg Grafische Maschinen Gesellschaft Mbh Vorrichtung zur Behandlung bogenförmiger Substrate mit Licht
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EP2578521A1 (de) 2011-10-03 2013-04-10 Bobst Mex Sa Kontrollvorrichtung für eine Zuschnitteverarbeitungsmaschine

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JP4571812B2 (ja) * 2003-02-24 2010-10-27 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト シート搬送装置
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Publication number Priority date Publication date Assignee Title
DE69511300T2 (de) 1994-02-04 2000-02-10 De La Rue Giori Sa Qualitätskontroll-Anlage für gedruckte Blätter, insbesondere Wertpapiere
EP0888992A2 (de) 1997-07-01 1999-01-07 MAN Roland Druckmaschinen AG Anlegetisch zum taktmässigen Fördern von Bogen zu einer Bogen verarbeitenden Maschine
WO2001014235A1 (de) 1999-08-20 2001-03-01 Koenig & Bauer Aktiengesellschaft Verfahren und vorrichtung zur verarbeitung von wertpapieren
DE102004005232A1 (de) 2003-02-24 2006-02-16 Heidelberger Druckmaschinen Ag Saugbandmodul mit einem Gebläse
EP2241523A1 (de) 2008-01-10 2010-10-20 Seiko I Infotech Inc. Förderkörper und fördervorrichtung
DE102009032966A1 (de) 2009-07-14 2011-01-20 Gmg Grafische Maschinen Gesellschaft Mbh Vorrichtung zur Behandlung bogenförmiger Substrate mit Licht
DE102011108018A1 (de) 2010-08-31 2012-03-01 Heidelberger Druckmaschinen Ag Inspektionsmodul
DE102011120993A1 (de) 2011-01-19 2012-07-19 Heidelberger Druckmaschinen Ag Saugbandtisch
EP2578521A1 (de) 2011-10-03 2013-04-10 Bobst Mex Sa Kontrollvorrichtung für eine Zuschnitteverarbeitungsmaschine

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EP3221221A1 (de) 2017-09-27
JP6560350B2 (ja) 2019-08-14
ES2721780T3 (es) 2019-08-05
US20170320607A1 (en) 2017-11-09
KR20170087902A (ko) 2017-07-31
PL3221221T3 (pl) 2019-07-31
KR102571872B1 (ko) 2023-08-28
WO2016078776A1 (fr) 2016-05-26
TR201905630T4 (tr) 2019-05-21
CN107000866A (zh) 2017-08-01
EP3221221B2 (de) 2024-03-06
CN113103661A (zh) 2021-07-13
JP2017536545A (ja) 2017-12-07
US10647458B2 (en) 2020-05-12

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