EP2841365A1 - Système d'acheminement par aspiration pour le transport d'éléments plats et installation pour la fabrication d'éléments plats comprenant un tel système - Google Patents

Système d'acheminement par aspiration pour le transport d'éléments plats et installation pour la fabrication d'éléments plats comprenant un tel système

Info

Publication number
EP2841365A1
EP2841365A1 EP13718585.6A EP13718585A EP2841365A1 EP 2841365 A1 EP2841365 A1 EP 2841365A1 EP 13718585 A EP13718585 A EP 13718585A EP 2841365 A1 EP2841365 A1 EP 2841365A1
Authority
EP
European Patent Office
Prior art keywords
suction
arrangement
conveyor
transport direction
rollers
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
EP13718585.6A
Other languages
German (de)
English (en)
Other versions
EP2841365B1 (fr
Inventor
Frank Herpell
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.)
BW Papersystems Hamburg GmbH
Original Assignee
WILL-PEMCO GmbH
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
Application filed by WILL-PEMCO GmbH filed Critical WILL-PEMCO GmbH
Publication of EP2841365A1 publication Critical patent/EP2841365A1/fr
Application granted granted Critical
Publication of EP2841365B1 publication Critical patent/EP2841365B1/fr
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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241—Suction devices
    • B65H29/242—Suction bands or belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B42C19/06—Multi-step processes for making books starting with webs not provided for elsewhere
    • 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
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4217—Forming multiple piles
    • B65H2301/42172—Forming multiple piles simultaneously
    • 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
    • B65H2301/445—Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4451—Moving, forwarding, guiding material stream of articles separated from each other forming a stream or streams of separated articles
    • B65H2301/44512—Moving, forwarding, guiding material stream of articles separated from each other forming a stream or streams of separated articles forming parallel streams of separated articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/20—Belt drives
    • 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
    • B65H2404/252—Details of idler roller
    • 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
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/51—Cross section, i.e. section perpendicular to the direction of displacement
    • B65H2404/511—Cross section, i.e. section perpendicular to the direction of displacement convex
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/30—Facilitating or easing
    • B65H2601/32—Facilitating or easing entities relating to handling machine
    • B65H2601/324—Removability or inter-changeability of machine parts, e.g. for maintenance
    • 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
    • B65H2801/48—Bookbinding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y10T83/207—By suction means

Definitions

  • the invention relates to a suction conveyor for transporting flat parts, in particular sheets of paper, preferably on the way from a cutting station to a stacking station in a plant of the paper processing industry, with a suction assembly having a suction side, where a negative pressure is generated, and an endless circulating flexible conveyor assembly consisting of perforated flexible sheet material and an inner side with which the conveyor arrangement is movable along the suction side of the suction assembly, and an outer side for receiving the flat parts in the effective region of the suction side of the suction assembly, where the conveyor arrangement in Moving direction moves, wherein the suction assembly and the conveyor arrangement are formed so that in the effective range of the suction side of the suction arrangement, a transport path is defined, the width transversely to the transport direction simultaneous recording of at least two nebe Nested flat parts allowed.
  • the flat parts are not only under the influence of their gravity generated by the weight on the conveyor belts, but under the additional influence of a generated by the negative pressure and many times higher holding force.
  • This additional influence of the negative pressure leads to an increased frictional engagement of the flat parts with the conveyor belts, whereby the flat parts are securely fixed to the conveyor belts. This ensures that the flat parts are slipped without slipping or slipping under stationary relative arrangement with respect to the moving strand of the conveyor belts of these, resulting in a precise and secure transport of the flat parts.
  • the endless peripheral flexible conveyor arrangement is, as already mentioned, formed from a plurality of transversely to the transport direction spaced from each other, arranged parallel to each other and endlessly circulating conveyor belts, wherein in many cases their upper run are provided with their outer and top for receiving the flat parts.
  • the suction arrangement usually has a suction box whose suction side, along which the flat parts conveying runs run along the conveyor belts, is closed with a perforated plate.
  • the conveyor belts run with their strand carrying the flat parts on or on the perforated plate along.
  • the air is sucked through the openings in the perforated plate in the suction box, which is connected to a suction pump.
  • the conveyor belts are provided with corresponding suction holes.
  • a suction conveyor for transporting flat parts, in particular sheets of paper, preferably on the way from a cutting station to a stack forming station in a plant of the paper processing industry, with a suction assembly having a suction side, where a negative pressure is generated, and an endlessly circulating flexible conveyor arrangement consisting of perforated flexible flat material and an inner side, with which the conveyor arrangement is movable along the suction side of the suction arrangement, and an outer side for receiving the flat parts in the effective region of the suction side of the suction arrangement, where the Moving conveyor assembly moves in the transport direction, wherein the suction assembly and the conveyor arrangement are formed so that in the active region of the suction side of the suction arrangement at least one transport path is defined with a width transverse to the transport direction, characterized in that the conveyor arrangement is formed by an endlessly revolving, single integral flexible conveyor whose two sides extending in the direction of transport have a distance from each other which is at least as large as the entire width of the transport path, so that the only one-
  • the invention now proposes not to form the conveyor arrangement as previously from a plurality of discrete and spaced conveyor belts, but from a likewise endlessly circulating, but only one-piece flexible conveyor, at least extends over the entire width of the transport path. Accordingly, the invention dispenses with the use of individual spaced-apart conveyor belts, but proposes the use of a single one-piece flexible conveyor, both in the transport direction extending side edges spaced from each other at least as large as the entire width of the Transport track is.
  • the endless encircling, single integral flexible conveyor according to the invention provides over the entire width of the transport path continuous area for a partially or completely over the entire width of the transport path extending large format flat part or for several transversely to the transport direction adjacent flat parts smaller format.
  • This makes it possible to realize a uniform and complete support of the flat parts and an application of negative pressure over the entire surface of the flat parts with the result of a more effective fixation on the conveyor.
  • the solution of the invention provides a safe, stable and safe transport of flat parts. This is particularly advantageous for flat parts, which are particularly sensitive due to certain dimensions and / or materials against acting on their side edges frictions and shock loads and thus particularly vulnerable to damage.
  • the solution according to the invention is particularly suitable for the transport of sensitive flat parts with different formats.
  • Another advantage of the solution according to the invention consists in the compared to conventional conveyor arrangements simpler mounting option. Because the installation of a plurality of discrete conveyor belts in the prior art is complicated and time-consuming, since the conveyor belts are to be arranged one after the other and often only at the installation site a bonding of the two loose ends to form an endless conveyor belt is possible, so that the installation of the conventional conveyor arrangement a Variety of assembly steps required. In contrast, the inventive solution for the installation of the conveyor assembly, which is indeed formed according to the invention of an endlessly rotating, single integral flexible conveyor, compared to the prior art requires significantly less assembly steps and in many cases even essentially only a single assembly step is sufficient. Because it is possible to configure the only one-piece flexible conveyor before installation to an endless circulating arrangement and then to arrange at the installation only on the bearings there existing. Accordingly, the solution according to the invention offers a much simpler installation compared with the prior art.
  • the suction assembly and the conveyor assembly are further formed so that the suction side of the suction assembly is substantially completely covered by the suction side strand of the endlessly circulating single integral flexible conveyor.
  • the single integral flexible conveying means may preferably at least substantially completely cover the at least one suction opening formed on the suction side of the suction arrangement.
  • the two aforementioned embodiments can therefore be realized because the conveyor arrangement according to the present invention not from a plurality of spaced discrete conveyors or conveyor belts, but from a over the entire width of the transport path extending and so far the entire width of the transport path closing single integral flexible Funding exists.
  • Another advantage of the solution according to the invention is that it can dispense with a perforated plate, which is required in the prior art for guiding the plurality of discrete conveyor belts, but leads to increased friction.
  • To support the run along the suction side of the endless circulating single one-piece flexible conveyor should preferably between the viewed in the transport direction, upstream inlet side and the downstream outlet side at least one support roller or - roller with a substantially parallel to the transport path and transverse or angled be arranged to the transport direction axis of rotation.
  • the at least one support roller or roller is arranged so that the strand defining the transport path of the single integral flexible conveyor with a directed to the suction side on the at least one support roller or roller rests.
  • a plurality of in the transport direction one behind the other and / or transverse to the transport direction adjacent support rollers or rollers provided.
  • support rollers or rollers By means of such support rollers or rollers, a low-friction support option for the funding is created in a structurally simple way.
  • means for producing a curvature directed towards the outside and extending approximately transversely to the transporting direction should preferably be provided in the conveying means at least in sections in the effective region of the suction side of the suction arrangement.
  • a refinement of this embodiment in which a deflection means for deflecting the conveyor arrangement about a deflection axis is provided on one, considered in the transport direction, upstream inlet side and on a downstream outlet side and the suction side of the suction arrangement is between these two deflection, is characterized in that at least one deflecting means has a plurality of rolls lying side by side over the entire width of the conveying path and substantially transversely to the conveying direction and forming the means for producing the curvature, with a rotation axis extending transversely or at an angle to the transporting direction, the arrangement and configuration of the rolls being such is taken that the distance between at least one peripheral portion of the Umlenkach- se is smaller in the outer rollers than in the inner rollers.
  • the distance between the axis of rotation and the deflection axis should be greater in the case of the inner rollers than in the outer rollers, the rollers having a substantially cylindrical shape.
  • the axes of rotation of the outer rollers relative to the deflection axis may be inclined so that increases their distance in the direction of the inner rollers.
  • An alternative second variant of the aforementioned development is characterized in that the axes of rotation of the rollers are substantially aligned with each other and coincide with the deflection axis or parallel to this and the rollers are formed so that increases their radius to the inner rollers out ,
  • the outer rollers should preferably have a conical shape and the inner rollers have an approximately cylindrical shape, which leads to a simpler, but almost equally effective construction of this variant.
  • a further preferred embodiment is characterized in that a frame is provided which has guide means for endlessly circulating guide of the single integral flexible conveyor and is supported on both sides by a support bearing at a distance from a substrate, of the two transverse to the transport direction spaced support bearings a first support bearing on the frame detachably arranged and a second support bearing is dimensioned so that it at least temporarily holds the frame at a distance from the ground after removal of the first support bearing and thus assumes the function of a one-sided support bearing, and the frame is designed so that after Remove the first support bearing withdraw the single integral flexible conveyor transversely to the transport direction of the frame on the side leaves, on which the first support bearing is provided.
  • This embodiment offers a particularly simple possibility for the assembly of the endless circulating single integral flexible conveyor used according to the invention as a conveyor arrangement. Because this has to be installed in the frame and mounted there on the guide means, preferably slipped over this for mounting only on that side at which the first support bearing normally provided, but removed for assembly. Conversely, can be for disassembly after removal of the first support bearing, the endless encircling single integral flexible conveyor simply pull out on the side of the frame on which the normally removed for the purpose of disassembly first support bearing is provided.
  • the simple assembly and disassembly can be realized in that the second support bearing is able to support the frame at least temporarily and thus without the first support bearing floating at a distance from the ground, and after removal of the first support bearing Way for the introduction or removal of the conveyor at the now over the ground floating in the distance side of the frame is free.
  • this design offers the possibility of simple installation or removal of the conveyor in only one assembly step in a structurally particularly clever way.
  • the suction arrangement is arranged in the frame, resulting in a particularly space-saving installation of the suction arrangement.
  • the frame should form a housing for the suction assembly.
  • a further embodiment is characterized in that the suction arrangement is subdivided on its suction side into a plurality of sections one behind the other in the transport direction and / or transversely to the transport direction, the suction power of which is adjustable independently of one another.
  • the suction arrangement may comprise at least one suction box, which is subdivided into a plurality of adjacent chambers in the transport direction and / or transversely to the transport direction, each of which forms a section with independently adjustable suction force.
  • Another advantage of this design is that the stability of the flat parts has no or at least no significant influence on the transport conditions and in particular the conveying speed, which may be particularly important in the processing of oversized flat parts due to their lability. Due to the partial division and adjustability of the suction arrangement further collapse of the negative pressure at uncovered Saug Kunststoffbohrungen and thus an uncontrolled Saugluftver republic is prevented. Finally, a minimization of the suction air consumption is achieved by the execution, which leads to a reduction in operating costs.
  • a base which consists of granite, preferably formed by a granite block or a granite plate.
  • Such inventively designed base forms a particularly stable and vibration safe machine bed.
  • the granite used as material according to the invention has a sufficiently high specific gravity to form a stable foundation due to the resulting high total weight.
  • granite is particularly well suited for the absorption of vibrations and sound waves, which is advantageous for carrying out processes with particularly high precision, as required, for example, in a plant of the paper-processing industry.
  • granite is suitable for a particularly precise surface treatment, which is particularly important for the arrangement and orientation of the system parts, especially when the coupling of the individual system parts together requires a particularly high precision.
  • the base should have a substantially flat underside for resting on a substrate and a top for storage at least a plant component or assembly such as the suction assembly and the conveyor arrangement have.
  • the base For defined alignment of the at least one assembly or plant component and in particular their frames on which, for example, the suction arrangement and the conveyor arrangement can be stored, should be incorporated into the base a substantially extending in the transport direction, elongated defined reference surface.
  • the reference surface is formed on a side edge of the base or of a recess incorporated in the base.
  • the module or the system component and in particular its frame with at least one defined stop, preferably at least two defined stops, which can be brought into contact with the reference surface for defined alignment of the frame ,
  • a suction conveyor behind the cutting station and upstream of the stacking station to transport the at least two adjacent rows of flat parts from the cutting station to the stacking station.
  • a suction conveying device of the present type is a multi-track conveying device, in which a plurality of transport paths running next to one another convey successive flat parts.
  • the present device is used to transport flat parts to a stack tray.
  • Fig. 1 by way of example a schematic side view of a plant for book block production
  • Fig. 2 is a schematic plan view of the plant of Figure 1;
  • FIG. 3 is a schematic plan view of a suction conveyor device included in the system according to FIGS. 1 and 2 according to a preferred embodiment of the invention
  • FIG. 4 is a schematic cross-sectional view of the suction conveyor of FIG. 3; FIG.
  • Figure 5 is the same view as Figure 3 with recorded by the suction conveyor arches.
  • FIG. 6 schematically in rear view, the suction conveyor of Figure 3 in
  • Fig. 7 is the same view as Fig. 6, but with the suction conveyor in a condition for maintenance or installation of the suction blanket;
  • Fig. 8 is a schematic detail view of a group of pulleys in a configuration according to a first preferred embodiment (a) and in a configuration according to a second preferred embodiment (b); 9 is a schematic perspective view of a machine bed according to a preferred embodiment of the invention.
  • FIG. 10 shows the machine bed of FIG. 9 in an end view
  • FIG. 1 shows the machine bed of Figure 9 in a fragmentary side view.
  • FIGS. 1 and 2 initially contains a sheet-web delivery station 2 which has a frame 4 on which two rollers 6, 8 are rotatably mounted in the exemplary embodiment shown.
  • Each roller 6, 8 consists of a wound continuous sheet web, preferably made of paper, which is unwound for processing in the illustrated system of the corresponding role.
  • only one role during operation is used, while the other role can be interchanged.
  • the web running direction takes place from left to right, which is also indicated by the arrow A.
  • the arrow A denotes the transport direction, which simultaneously corresponds to the process direction.
  • a feed station 16 which supports the transport of the printed sheet web 14 in the web running direction arrow A.
  • a refractive station 18 Subordinate to the feed station 16 in the web running direction is in the illustrated embodiment, a refractive station 18, in which the sheet web 14 is broken on both sides and thus in both directions to eliminate any possibly caused by the printing process ripple.
  • the system has a longitudinal cutting station 20 which contains a plurality of transverse to the web running direction adjacent and thereby spaced apart blades 22, as shown in FIG. 2 can be seen schematically.
  • the knives 22 are preferably designed as rotary drivable circular knives whose respective axis of rotation is oriented transversely to the web running direction. Further, the blades 22 are each positioned transversely positionable relative to the web running direction of the sheet web 14, whereby the distance between two adjacent blades 22 from each other for the purpose of format adjustment is variable.
  • the printed sheet web 14 is cut by the knives 22 in the web running direction according to arrow A by a number of longitudinal sections into a plurality of respective partial webs corresponding to a desired width of a book block side, which is not recognizable in the figures. Due to the variable positioning of the individual knives 22 transversely to the web running direction of the sheet 14, the distance between two adjacent knives 22 can be adjusted to the desired width of a book block page, resulting in a high format flexibility.
  • the width of the sheet web 14 is a multiple of the width of one side of the book block to be produced with the machine, a corresponding plurality of book blocks can be produced simultaneously in parallel, so that a corresponding number of parallel, in the conveying direction according to arrow A running and transverse to the conveying direction adjacent Transport paths is defined, which are not shown in the figures.
  • a cross cutting station 24 Subordinate downstream of the longitudinal cutting station 20 in the web running direction is a cross cutting station 24, in which cut from the previous longitudinal cutting station 20 in the longitudinal direction partial webs are each cut simultaneously transversely to the conveying direction in sheets, each sheet a book block page for a book to be produced from the sheets forms.
  • the cross-cutting station 24 has a cylindrical knife drum extending over the entire width of the sheet web 14 with a wave-shaped knife disposed thereon inclined with respect to the axis of rotation of the knife drum, which is not shown in detail in the figures.
  • a signature soft 26 which is followed by a weft tape 28 which is led out of the system transversely to the web running direction, as shown in FIG.
  • the curved switch 26 is shown in Figures 1 and 2 as all assemblies and stations of the system shown in Figures 1 and 2 by way of example only very schematically, however, in contrast, in Fig. 3 shown in detail and will be described below with reference to FIG.
  • inferior sheets which in particular have faulty printed images, connecting, spreading or joints or other irregularities or even damage, or empty sheets and removed via the weft tape 28 from the system.
  • a sensor which determines the number of sheets passing and determines whether the determined number of sheets corresponds to the number of pages formed by the sheets for the production of the book block, as well as to be discarded Identified sheets and controls the curved switch 26 accordingly via a control device, also not shown.
  • the cross-cutting station 24 viewed in the web running direction according to arrow A, is followed by a suction conveying device 30, which transports the cut sheets to the sheet-weir 26 or past it in the direction of the arrow A.
  • a further conveyor 31 Downstream of the suction conveyor 30 is a further conveyor 31, which is provided as an inlet assembly for a downstream collecting station 32 downstream.
  • This conveyor 31 is preferably provided with deceleration means for decelerating the sheets in order to feed the sheets into the sheets. to pass melstation 32, wherein the braking operation in particular leads to an overlap of the sheets.
  • the collecting station 32 includes a plurality of adjacent compartments 34, which are schematically visible in Fig. 2. These compartments 34 are laterally bounded by side walls unspecified in the figures, which are adjustable transversely to the web running direction according to arrow A, so that the width of the individual compartments 34 can be adapted to the width of the sheets cut from the individual transport paths or partial webs.
  • the side walls of the compartments 34 should be adjusted according to the blades 22 of the slitting station 20 transversely to the web running direction, so as to ensure that the side walls of the compartments 34 in the collecting station 32 occupy the same transverse position as the corresponding blades 22 of the slitting station 20.
  • each of the compartments 34 a stack of superimposed sheets is set up in the collecting station 32, which upon completion forms the desired book block, the compartments 34 being arranged in a number corresponding to the number of sub-paths or transport paths, thereby forming a corresponding plurality of parallel ones and book blocks forming sheet stacks are accumulated.
  • pliers conveyors are provided, wherein preferably each of the compartments 34 is associated with a pliers conveyor.
  • the forceps conveyors serve to remove a stack accumulated in a finished book block from the respective compartment 34 by clampingly engaging a stack embodying a finished book block between the forceps heads of the forceps conveyor.
  • FIGs 1 and 2 adjacent to the downstream side of the collecting station 32, still schematically disclose a transverse conveyor 36 onto which the book blocks, also not shown in the figures, are transferred out of the collecting station 32 by means of the mentioned gripper conveyors. Subsequently, the book blocks are transported by means of the cross conveyor 36 away from the plant shown schematically in Figures 1 and 2.
  • the transport or conveying direction of the transverse conveyor 36 is oriented transversely to the process direction, as the arrow B in Fig. 2 reveals.
  • a lateral removal of the book blocks using the cross conveyor 36 takes place.
  • the transverse conveyor 36 preferably has a continuous in the direction of arrow B circulating conveyor belt, which is not designated in the figures.
  • the cross conveyor 36 leads to a downstream bookbinding machine and / or a downstream packaging machine, which are not shown in the figures. In the packaging machine, the stacks are then wrapped with packaging material and / or packaged in larger units.
  • an essential feature of the conveying device 30 is that as endless circulating flexible conveyor a single integral cloth 40 is used, which is perforated over its entire length and width and therefore hereinafter referred to as a suction cloth ,
  • a suction cloth both in the transport direction according to arrow A extending side edges 40a of the suction blanket 40 have a distance from each other, which corresponds to the entire width X of the transport path, so that the suction blanket 40 extends over the entire width X of the transport path.
  • the upper run 40b of the endlessly circulating suction cloth 40 lies in the plane of the transport path, which is thus simultaneously defined by the upper run 40b of the suction cloth 40.
  • the suction cloth 40 is guided over upper deflecting rollers 42 and lower deflecting rollers 44, which are rotatably mounted on a frame 46.
  • the upper deflection rollers 42 on the inlet side 30a and the outlet side 30b of the suction conveyor 30 are arranged corresponding to the beginning and end of the upper run 40b of the suction cloth 40, so that the upper run 40b of the suction cloth 40 is formed between the upper deflection rollers 42 in the transport direction according to arrow A. becomes.
  • a drive motor 48 is provided on one side of the frame 46, which drives one of the lower deflection rollers 44 and thus these in rotation added.
  • the axes of rotation of the upper guide rollers 42 oriented approximately transversely and approximately parallel to the plane defined by the upper run 40b of the suction cloth 40 transport plane and the rotation axis of the lower guide rollers 44 perpendicular to the transport direction according to arrow A and parallel to the aforementioned transport plane are.
  • a plurality of support rollers 50 is provided, which are rotatably mounted on the upper side of the frame 46 and, viewed in the direction of transport according to arrow A, both consecutively and juxtaposed, with their axes of rotation perpendicular to the transport direction according to Arrow A and parallel to the plane defined by the upper run 40b of the suction cloth 40 transport plane are oriented.
  • the support rollers 50 lie with their axes of rotation in the illustrated embodiment in a common plane, whereby the upper run 40b of the suction cloth 40 is given a straight and flat shape.
  • the support rollers 50 are not formed over the entire width X of the transport path in one piece or continuously, otherwise there is a risk that the support rollers sag downwards. Therefore, a plurality of support rollers 50 are provided over the width X of the transport path in each case, which are combined into a group, wherein between the rollers 50 corresponding (not shown in the figures) bearings for the support rollers 50 are provided.
  • a housing which is designed as a suction box and designated by the reference numeral "52".
  • the suction box 52 is substantially closed and only on its upper side 52a, where the aforementioned Support rollers 50 are arranged and the upper run 40b of the perforated suction cloth 40 runs along, is provided with suction openings, which are, however, not shown in detail in the figures.
  • the one wall forming top 52a of the suction box 52 may be perforated by a plurality of relatively small holes or have only a limited number of larger openings. Alternatively, it is also conceivable to leave the upper side 52a of the suction box 52 substantially open over the entire area covered by the upper run 40b of the suction cloth 40. As can also be seen from FIG.
  • the suction box 52 has a suction connection 54, to which a suction pump, not shown in the figures, can be connected in order to generate a negative pressure in the suction box 52, whereby air is sucked in through its upper side 52a.
  • the upper side 52a of the suction box 52 forms the so-called suction side, at which the desired suction effect arises.
  • the sheets are not only under the influence of their gravity generated by the weight on the upper run 40b of the suction blanket 40, but under the additional influence of a generated by the negative pressure at the top 52a of the suction box 52 and a multiple higher holding force.
  • This additional influence of the suction effect and the resulting negative pressure leads to an increased frictional engagement of the sheets with the upper run 40b of the suction cloth 40, whereby the sheets are securely fixed to the upper run 40b of the suction cloth 40.
  • the suction conveying device 30 is used downstream of the cross cutting station 24 in the installation shown by way of example in FIGS. 1 and 2, in which the partial webs cut longitudinally from the preceding longitudinal cutting station 20 at the same time transverse to Direction of conveyance according to arrow A are cut in sheets, so that several transverse to the transport direction according to arrow A running side by side rows of consecutive arcs, which are then taken together by the suction cloth 40 of the conveyor 30.
  • the suction cloth 40 has a continuous over the entire width X of the transport path surface recording for a plurality of transverse to the transport direction adjacent sheets.
  • the suction box 52 may be subdivided on its suction side forming the upper side 52a in a plurality of in the transport direction according to arrow A one behind the other and / or transverse to the transport direction adjacent sections whose suction force is independently adjustable. These sections may preferably be formed as chambers.
  • the frame 46 is supported on a base plate 60 by support legs 56, 58 on its two sides opposite to the transport direction according to arrow A and thus in the direction of the width X.
  • the two support legs 56, 58 serve as double-sided support bearings for the frame 46.
  • the particularity of the (in Fig. 6 right) first support leg 56 is that it is removable from the frame 46, and is (in Fig. 6 left ) second support leg 58, to the adjacent to the corresponding side of the frame 46 incidentally the drive 48 is mounted, designed so that it at least temporarily supports the frame 46 at a distance from the base plate 60 after removal of the first support leg 56 and thus the function of one-sided support bearing takes over, as Fig.
  • the suction blanket 40 can be transverse to the transport direction in accordance with arrow A or in the direction of the width X of the transport path from the frame 46 on the side off, on the normal state shown in FIG first support leg 56 is provided and is now temporarily removed.
  • the frame 46 and the arrangement of the guide rollers 42, 44 and the support rollers 50 are formed such that after removal of the first support leg 56, the endlessly circulating suction cloth 40 simply from the mentioned rollers 42, 44, 50 subtract and remove from the frame 46 as well as vice versa simply bring into the frame 46 and over the mentioned rollers 42, 44, 50 can coat.
  • the construction of the suction conveying device 30 allows easy installation of the suction blanket 40 in an already endless configuration, so that a suction cloth 40 already bonded at the factory with its two ends to an endless configuration can be used for the assembly.
  • the endless absorbent sheet 40 can be easily disassembled, so that appropriate maintenance can be carried out quickly and inexpensively.
  • the suction cloth 40 in FIGS. 6 and 7 without perforation is shown here for the sake of clarity.
  • the deflection rollers 42 are to be designed and arranged accordingly, two configurations being shown by way of example in FIG.
  • rollers shown there have a cylindrical shape and essentially the same dimensions. It can also be seen from FIG. 8 that a plurality of rollers are combined to form a common deflection roller arrangement, which is preferably to be provided on the inlet side 30a and / or on the outlet side 30b of the suction conveyor device 30. In each pulley arrangement, in turn, some rollers are each combined into a group, as shown in FIG. 8 defined. In each case, the outer rollers 42-o, which are arranged adjacent to the side edges 40a of the endlessly circulating cloth 40b, and the inner or middle rollers 42-i are each combined to form a group.
  • both configurations shown in Figure 8 show that the distance from a virtual deflection axis 42-a is greater in the group of inner rollers 42-i than in the two groups of outer rollers 42-o.
  • the deflection roller arrangement forms a substantially continuous, slightly curved arc, so that the axes of rotation of respectively two adjacent rollers are slightly angled relative to each other.
  • the rollers of each group are arranged axially aligned so that the axes of rotation of the rollers of each group lie on a common straight line or axis.
  • the group of internal rollers 42-i is arranged substantially parallel to the virtual deflection axis 42-a, while the two groups of external rollers 42-o are oriented at an angle to the deflection axis 42-a with an outwardly decreasing distance.
  • a machine bed can be used as the foundation or base, which is shown by way of example in FIGS. 9 to 11 and designated by the reference symbol "62".
  • the special feature of the machine bed 62 used in the illustrated embodiment is that it consists of a granite plate. it is. This creates a particularly stable and vibration-proof foundation.
  • the machine bed 62 has two mounting surfaces 62a, which are precisely ground to form a defined common mounting plane. As can also be seen from FIG. 9, a series of holes, which are not designated in detail in the figures and generally consist of threaded bores, are incorporated into each of these two mounting surfaces 62a.
  • the base plate 60 has corresponding through holes, which are also not marked in the figures in detail and - although in the illustrated embodiment, only half the pitch - are aligned according to the threaded holes in the machine bed 62. As a result, it is possible to screw the base plate 60 and thus the suction conveying device 30 installed on the frame 46 thereon to a desired location on the machine bed 32.
  • FIGS. 10 and 11 show that in the machine bed 62 along a long side a shoulder 64 is incorporated.
  • This shoulder forms an elongated defined reference surface 64, wherein the machine bed 62 is preferably to be aligned so that the paragraph forming the reference surface 64 in the process or transport direction of the system shown in Figures 1 and 2 according to arrow A.
  • the reference surface 64 serves as abutment for stops 66, which are arranged on the underside of the base plate 60, as shown in FIGS. 10 and 11.
  • two spaced stops 66 are preferably provided.
  • the stops 66 are positioned defined on the base plate 60 so as to be engageable with the reference surface 64 for defined alignment of the base plate 60.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Details Of Cutting Devices (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

L'invention concerne un système d'acheminement par aspiration (30) pour le transport d'éléments plats (55), en particulier de feuilles de papier, de préférence sur le chemin entre un poste de coupe (20, 24) et un poste de formation de piles (32) dans une installation de l'industrie de transformation du papier, lequel système comprend un ensemble d'aspiration qui présente un côté d'aspiration (52a) sur lequel une dépression est créée, ainsi qu'un ensemble moyen d'acheminement flexible rotatif sans fin qui est constitué d'un matériau plat flexible pourvu de trous et présente une face intérieure, avec laquelle l'ensemble moyen d'acheminement peut être déplacé sur le côté d'aspiration (52a) de l'ensemble d'aspiration, et une face extérieure pour recevoir les éléments plats dans la zone d'action du côté d'aspiration (52a) de l'ensemble d'aspiration, où l'ensemble moyen d'acheminement se déplace dans le sens de transport (A), l'ensemble d'aspiration et l'ensemble moyen d'acheminement étant conçus de sorte qu'une voie de transport d'une largeur (X) soit définie dans la zone d'action du côté d'aspiration (52a) de l'ensemble d'aspiration perpendiculairement au sens de transport (A). L'invention se caractérise en ce que l'ensemble moyen d'acheminement est formé par un moyen d'acheminement (40) flexible individuel en une pièce rotatif sans fin dont les deux bords latéraux (40a) s'étendant dans le sens de transport (A) sont espacés d'une distance au moins égale à la largeur (X) totale de la voie de transport, de sorte que ledit moyen d'acheminement (40) flexible individuel en une pièce s'étende au moins sur la largeur totale de la voie de transport.
EP13718585.6A 2012-04-25 2013-04-25 Système d'acheminement par aspiration pour le transport d'éléments plats et installation pour la fabrication d'éléments plats comprenant ledit système Active EP2841365B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012206847A DE102012206847A1 (de) 2012-04-25 2012-04-25 Saugfördervorrichtung zum Transport von Flachteilen
PCT/EP2013/058626 WO2013160399A1 (fr) 2012-04-25 2013-04-25 Système d'acheminement par aspiration pour le transport d'éléments plats et installation pour la fabrication d'éléments plats comprenant un tel système

Publications (2)

Publication Number Publication Date
EP2841365A1 true EP2841365A1 (fr) 2015-03-04
EP2841365B1 EP2841365B1 (fr) 2018-04-18

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EP13718585.6A Active EP2841365B1 (fr) 2012-04-25 2013-04-25 Système d'acheminement par aspiration pour le transport d'éléments plats et installation pour la fabrication d'éléments plats comprenant ledit système

Country Status (13)

Country Link
US (2) US20150096415A1 (fr)
EP (1) EP2841365B1 (fr)
JP (1) JP6062038B2 (fr)
CN (1) CN104718147B (fr)
BR (1) BR112014026504B1 (fr)
CA (1) CA2870782C (fr)
CL (1) CL2014002837A1 (fr)
DE (1) DE102012206847A1 (fr)
ES (1) ES2678212T3 (fr)
HK (1) HK1201803A1 (fr)
IN (1) IN2014DN09661A (fr)
MX (1) MX2014013077A (fr)
WO (1) WO2013160399A1 (fr)

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DE102012206847A1 (de) 2012-04-25 2013-11-07 E.C.H. Will Gmbh Saugfördervorrichtung zum Transport von Flachteilen
DE102015203424A1 (de) 2015-02-26 2016-09-01 Kba-Metalprint Gmbh Vorrichtung zum Bearbeiten eines Substrates
DE102015203423B4 (de) 2015-02-26 2020-05-07 Kba-Metalprint Gmbh Fördereinrichtung mit einem endlosen Lastenträger
DE202016004428U1 (de) * 2016-07-20 2017-10-23 Barry-Wehmiller Papersystems, Inc. Vorrichtung zum Aufbringen von Datenträgern auf eine Trägerbahn
ES2681961B1 (es) * 2017-03-17 2019-06-27 Simon Corrugated Machinery S L Dispositivo y procedimiento para el transporte de láminas flexibles
DE102023103065B3 (de) * 2023-02-08 2023-12-21 Koenig & Bauer Ag Maschinenanordnung zum Fördern bogenförmiger Substrate, aufweisend einen ersten Bandförderer und einen zweiten Bandförderer, und eine Druckmaschine mit dieser Maschinenanordnung

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Also Published As

Publication number Publication date
US20150096415A1 (en) 2015-04-09
CL2014002837A1 (es) 2015-04-10
EP2841365B1 (fr) 2018-04-18
CN104718147B (zh) 2017-08-01
JP2015515386A (ja) 2015-05-28
CA2870782C (fr) 2020-08-04
US11279583B2 (en) 2022-03-22
CN104718147A (zh) 2015-06-17
MX2014013077A (es) 2015-05-11
US20200055687A1 (en) 2020-02-20
IN2014DN09661A (fr) 2015-08-07
ES2678212T3 (es) 2018-08-09
WO2013160399A1 (fr) 2013-10-31
JP6062038B2 (ja) 2017-01-18
CA2870782A1 (fr) 2013-10-31
BR112014026504A2 (pt) 2017-06-27
BR112014026504B1 (pt) 2020-12-08
HK1201803A1 (en) 2015-09-11
DE102012206847A1 (de) 2013-11-07

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