EP3221221A1 - Vorrichtungen zur optischen steuerung einer seite eines rohlings - Google Patents

Vorrichtungen zur optischen steuerung einer seite eines rohlings

Info

Publication number
EP3221221A1
EP3221221A1 EP15797861.0A EP15797861A EP3221221A1 EP 3221221 A1 EP3221221 A1 EP 3221221A1 EP 15797861 A EP15797861 A EP 15797861A EP 3221221 A1 EP3221221 A1 EP 3221221A1
Authority
EP
European Patent Office
Prior art keywords
box
suction
suction section
downstream
upstream
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.)
Granted
Application number
EP15797861.0A
Other languages
English (en)
French (fr)
Other versions
EP3221221B1 (de
EP3221221B2 (de
Inventor
Sacha Bourgeois
Dimitri Favini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bobst Mex SA
Original Assignee
Bobst Mex SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=52016369&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3221221(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
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
Application granted granted Critical
Publication of EP3221221B2 publication Critical patent/EP3221221B2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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.
  • the present invention is used in the field of manufacturing folding boxes. More specifically, 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 cutout is thus maintained from above at its internal face, so that its printed face, which is turned downwards, is entirely 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.
  • EP 2578521 may be cited as describing machines of the prior art performing such a control.
  • 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 on its upper face against a conveyor belt, while its printed lower face 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.
  • an optical control device of a face of a blank comprising:
  • a vacuum conveyor which is able to transport the cut along a circulation path, and the vacuum conveyor comprising
  • suction means which are capable of pressing the blank against the conveyor belt
  • the means for inspecting being situated on the opposite side to the vacuum conveyor,
  • the optical control device is characterized in that the suction means 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 displacement of the blanks, 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 processing machine, and in particular to a folder-gluer machine, equipped with a correction device as described in the present text.
  • a processing machine and in particular to a folder-gluer machine, equipped with a correction device as described in the present text.
  • FIG. 1 shows schematically a folder-gluer in which is integrated a control device according to the invention.
  • FIG. 2 is a longitudinal sectional view of the control device according to the invention.
  • Fig. 1 shows a folder-gluer machine 100, i.e., a processing machine that is responsible for folding and pasting blanks to make folding boxes.
  • this folder-gluer 100 is conventionally composed, from upstream to downstream, of a feeder module 1 10 or margin table, an alignment module 120, an embossing module 130, in particular for braille, a pleat pre-fold module 140, a gluing module 150, a folding module 160, a transfer module 170 and a receiving module 180.
  • the 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 in 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 first comprises a conveyor belt 22, which is in charge of continuously conveying each cutout 12.
  • Each cutout 12 is conveyed while being maintained from above at its upper face 14, intended to form 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 1 3 of each blank 12 during its transport along the flow path 1 5 which passes right through to the control device 10, from right to left in FIG. 2.
  • the inspection means 30 include in particular a camera 32 and a lighting system 31 oriented and converging (see lines tapered in Fig. 2) to the same control zone 33.
  • the control zone 33 can for example be present in the form of a transverse line or 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.
  • 1 2 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 blank 1 2.
  • 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. 2). More specifically, an upstream box 41a, a central box 42a and a downstream box 43a, are respectively aligned in the direction of advance A.
  • the boxes 41a, 42a and 43a are located above and behind the conveyor belt 22, itself located above and behind the cutout 1 2, which is itself located above and behind the inspection means 30, during the visual control of its underside 1 3 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 separate sections 41, 42 and 42.
  • 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 with both the central box 42a of the central suction section 42 with the downstream box 43a of the downstream suction section 43.
  • air under vacuum is shared between the central box 42, serving 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 means of inspection 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 1 0, 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 of 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 opened or closed at will.
  • it is the side panels of the upstream box 41a (downstream 43a) which extend in the direction of advance A, which are slidable in order to expand or shrink the width of the upstream box 41a (downstream 43a).
  • 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 a local rigidity of the band 22.
  • These tensioning means 50 comprise a pair of rollers 51 and 52 spaced along the circulation path 1 5 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.
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)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15797861T PL3221221T3 (pl) 2014-11-19 2015-11-10 Urządzenie do kontroli optycznej jednej strony wykroju, maszyna do obróbki wykrojów oraz składarko-sklejarka zawierająca takie urządzenie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (3)

Publication Number Publication Date
EP3221221A1 true EP3221221A1 (de) 2017-09-27
EP3221221B1 EP3221221B1 (de) 2019-03-20
EP3221221B2 EP3221221B2 (de) 2024-03-06

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US (1) US10647458B2 (de)
EP (1) EP3221221B2 (de)
JP (1) JP6560350B2 (de)
KR (1) KR102571872B1 (de)
CN (2) CN107000866A (de)
ES (1) ES2721780T3 (de)
PL (1) PL3221221T3 (de)
TR (1) TR201905630T4 (de)
WO (1) WO2016078776A1 (de)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1269506B (it) 1994-02-04 1997-04-01 De La Rue Giori Sa Impianto di controllo di qualita' di fogli stampati in particolare di carte-valore
DE4442629C2 (de) * 1994-12-01 1998-05-07 Heidelberger Druckmasch Ag Saugbändertisch
DE19728056A1 (de) 1997-07-01 1999-01-07 Roland Man Druckmasch Anlegetisch zum taktmäßigen Fördern von Bogen zu einer Bogen verarbeitenden Maschine
DE19939163C1 (de) 1999-08-20 2001-03-15 Koenig & Bauer Ag Verfahren zur Verarbeitung von Wertpapieren
DE10008831C2 (de) 2000-02-25 2003-12-04 Daimler Chrysler Ag Fördervorrichtung für den hängenden Transport von flachen Gegenständen, insbesondere von metallischen Platinen
DE10057036C2 (de) * 2000-11-17 2002-12-12 Basler Ag Inspektionssystem für Flachgläser in der Displayfertigung
DE102004005232A1 (de) 2003-02-24 2006-02-16 Heidelberger Druckmaschinen Ag Saugbandmodul mit einem Gebläse
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
CN2925861Y (zh) * 2006-04-28 2007-07-25 上海今昌纸箱机械制造有限公司 一种自动送纸部的瓦楞强度无损型的传送纸机构
JP4977596B2 (ja) * 2007-06-26 2012-07-18 株式会社名南製作所 定形のシート類の搬送方法及び搬送装置
FI20070654A0 (fi) * 2007-08-29 2007-08-29 Raute Oyj Laitteisto levymäisten esineiden siirtämiseksi
JP2009161342A (ja) 2008-01-10 2009-07-23 Seiko I Infotech Inc 搬送体及び搬送装置
DE102009032966A1 (de) * 2009-07-14 2011-01-20 Gmg Grafische Maschinen Gesellschaft Mbh Vorrichtung zur Behandlung bogenförmiger Substrate mit Licht
US8157369B2 (en) * 2010-05-26 2012-04-17 Xerox Corporation Media hold-down system having cross process chambering
EP2422973B1 (de) 2010-08-31 2013-06-05 Heidelberger Druckmaschinen Aktiengesellschaft Inspektionsmodul
CN102602722B (zh) 2011-01-19 2015-10-28 海德堡印刷机械股份公司 吸带台
EP2578521A1 (de) 2011-10-03 2013-04-10 Bobst Mex Sa Kontrollvorrichtung für eine Zuschnitteverarbeitungsmaschine
CN102583076A (zh) * 2012-03-09 2012-07-18 天津长荣印刷设备股份有限公司 一种风箱的幅面调节装置及其工作方法

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KR20170087902A (ko) 2017-07-31
JP2017536545A (ja) 2017-12-07
TR201905630T4 (tr) 2019-05-21
ES2721780T3 (es) 2019-08-05
CN107000866A (zh) 2017-08-01
PL3221221T3 (pl) 2019-07-31
WO2016078776A1 (fr) 2016-05-26
US10647458B2 (en) 2020-05-12
CN113103661A (zh) 2021-07-13
JP6560350B2 (ja) 2019-08-14
EP3221221B1 (de) 2019-03-20
US20170320607A1 (en) 2017-11-09
EP3221221B2 (de) 2024-03-06
KR102571872B1 (ko) 2023-08-28

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