EP1751002A1 - Method and device packaging flat objects - Google Patents

Method and device packaging flat objects

Info

Publication number
EP1751002A1
EP1751002A1 EP05737457A EP05737457A EP1751002A1 EP 1751002 A1 EP1751002 A1 EP 1751002A1 EP 05737457 A EP05737457 A EP 05737457A EP 05737457 A EP05737457 A EP 05737457A EP 1751002 A1 EP1751002 A1 EP 1751002A1
Authority
EP
European Patent Office
Prior art keywords
packaging material
objects
material web
web
row
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
EP05737457A
Other languages
German (de)
French (fr)
Other versions
EP1751002B1 (en
Inventor
Werner Honegger
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.)
Ferag AG
Original Assignee
Ferag AG
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 Ferag AG filed Critical Ferag AG
Priority to EP08002613A priority Critical patent/EP1914165B1/en
Priority to DK08002613.1T priority patent/DK1914165T3/en
Publication of EP1751002A1 publication Critical patent/EP1751002A1/en
Application granted granted Critical
Publication of EP1751002B1 publication Critical patent/EP1751002B1/en
Not-in-force 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
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6654—Advancing articles in overlapping streams changing the overlapping figure
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/067—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously
    • 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
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/042—Intermediate conveyors, e.g. transferring devices
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/002—Packaging other articles presenting special problems packaging of information carriers, e.g. records, CD, DVD
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/34—Modifying, selecting, changing direction of displacement
    • B65H2301/342—Modifying, selecting, changing direction of displacement with change of plane of displacement
    • B65H2301/3422—Modifying, selecting, changing direction of displacement with change of plane of displacement by travelling a path section in arc of circle
    • 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
    • B65H2301/43—Gathering; Associating; Assembling
    • B65H2301/431—Features with regard to the collection, nature, sequence and/or the making thereof
    • 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
    • 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
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance

Definitions

  • the invention lies in the field of packaging technology and relates to a method and a device according to the preambles of the corresponding independent claims.
  • the method and device serve for packaging flat objects, for example individual printed products, stacked groups of printed products or stacked groups of printed products and other flat objects such as CDs, flat sample objects or flat sample bags.
  • the longitudinal and transverse seams are usually produced by welding, and the separated objects can be separated at the same time as the transverse seams are being created.
  • a heat-activatable adhesive can be applied to the packaging material at the locations of the longitudinal and transverse seams, so that the seams are then similar Means can be created like the welded seams on plastic packaging. It is also possible to close the seams by embossing or by other known methods that are matched to the packaging material used.
  • the objects are fed in the form of a row, which rests on a conveying surface (for example a belt conveyor), to the packaging mentioned.
  • a conveying surface for example a belt conveyor
  • the objects are arranged one behind the other and spaced apart, loosely resting on top of each other, the distance between successive objects being adapted to the thickness of the objects and to the methods used to create the transverse seams and to separate the packaging material.
  • conveyor cams are used in addition to the conveying surface, by means of which the flat objects can be supplied in a clocked manner than would be the case with the conveying surface as the only conveying means.
  • the quasi-endless web of packaging material is then fed from below through a gap in the conveying surface or from above to the flat objects conveyed in the row, the web of packaging material having the same speed as the row of objects.
  • the objects are usually pulled off a stack and placed individually on the conveying surface.
  • the object of the invention is to provide a method and a device which serve for packaging a series of flat objects with the aid of a quasi-endless web of packaging material and with which the disadvantages of known methods and devices of this type described above can be avoided.
  • the method and device according to the invention are intended to allow the conveying routes to be kept to a minimum and to get by with the simplest means of conveyance and still be able to pack relatively unstable objects with very high conveying capacities.
  • the basic idea of the invention is not to create the row of objects to be packed, as in known packaging processes of the same genus, and to feed these onto the conveying material web lying on a conveying surface, but rather to supply the row directly on or under the packaging material. rial train.
  • the packaging is not supplied with a series of objects arranged one behind the other and spaced apart in the conveying direction, but rather a supply stream in which the distances between the objects are smaller than their length in the conveying direction when they are in series be promoted.
  • the feed stream is thus, for example, a shingled stream in which the objects are conveyed overlapping one another on a conveyor support, or it is a gripper stream in which the objects are individually held in an edge region and conveyed at small distances from one another. From this feed stream, the objects are separated one after the other by acceleration and positioned directly on or under the packaging material web moving in a web direction by, for example, depositing or pushing on.
  • the relationship between the web speed and the feed speed and thus the necessary acceleration of the objects for the separation from the feed stream and the positioning on the packaging material path are determined by the object distances in the supply stream and by the object length and object distances in the packaging material path creating series.
  • the direction of the web is essentially horizontal, such that flat objects lying on the web of packaging material are pressed by gravity against the web of packaging material and remain in the position on the web in which they are positioned when accelerating. If the flat objects are fed in a stream of shingles, it is advantageous to change the feed direction in this direction. to lay the same vertical plane as the web direction and also to align it approximately horizontally and to divert the packaging material web at the acceleration point from below or from above into the web direction. If the flat objects are fed in a gripper stream, it is advantageous to direct them from above or below against the web of packaging material moving in the web direction and to deflect them directly above or below the web of packaging material in the web direction.
  • FIGS. 1 and 2 show a diagram of an exemplary embodiment of a device according to the invention for explaining the basic principle of the method according to the invention (FIG. 1: side view, FIG. 2: top view);
  • FIG. 3 shows the separation of the objects fed into the feed stream by acceleration and their positioning on the packaging material web according to FIGS. 1 and 2 on a somewhat larger scale;
  • FIGS. 4 and 5 separation and positioning as in FIG. 3 but using other positioning aids;
  • FIG. 6 shows a further embodiment of the separation of the objects fed into the feed stream by acceleration and their positioning on the packaging material web
  • FIG. 7 shows a further embodiment of the separation of the objects fed into the feed stream by acceleration and their positioning under the packaging material web fed from above in this case.
  • Figures 1 and 2 show an exemplary embodiment of the method and the device according to the invention. As already explained at the beginning, these serve to package flat objects 1 with the aid of a quasi-endless packaging material web 2.
  • the objects are fed in a feed stream 3 (here a shingled stream) and positioned one after the other on the packaging material web 2 in such a way that they form a row 4 on the packaging material web.
  • the feed stream 3 the objects are conveyed at distances d from one another, where d is less than the object length 1 in the conveying direction.
  • a distance q must be created between each of the objects 1 conveyed one behind the other in the row 4 in order to produce the transverse seams.
  • the device essentially has the following four devices which cooperate with one another: A first device 5 for creating the row 4, that is, according to the invention, for separating the objects 1 supplied in the feed stream 3 by acceleration and for their direct positioning on (or below) , see FIG. 7) of the packaging material web 2, a second device 6 for feeding the packaging material web 2 and for conveying the packaging material web 2 together with the line 4, a third device 7 for folding the Packaging material web 2 around row 4 (or for feeding a further web of packaging material, see FIG. 6) and a fourth device 8 for creating seams and optionally for separating the packed objects 1 'from one another.
  • the first device 5 for creating the row 4 has an acceleration means 51, by means of which objects from the head end of the feed stream 3 are successively accelerated and thereby separated from this head end, that is to say isolated, and simultaneously positioned on the packaging material web.
  • the acceleration means 51 is, for example, a pair of an upper and a lower acceleration roller 51.1 and 51.2, or a plurality of such pairs.
  • revolving acceleration belts or cam wheels can also be used.
  • the second device 6 for feeding the packaging material web 2 and for conveying the packaging material web 2 together with the row 4 has a traction means 60, with the aid of which the packaging material web 2 is continuously drawn off from a supply roll 61 and moved in the web direction, and a tensioning means 62, with the aid of which the packaging material web is kept under a constant tension.
  • the traction means 60 is advantageously arranged where the packaging material web 2 is already placed around the row 4, that is to say downstream of the third device 7.
  • the traction means 60 can develop its pulling action without having to redirect the packaging material web it is formed, for example, as a cooperating pair of an upper and a lower tension band 60.1 and 60.2, the two tension bands pressing from above and below onto the row 3 covered by the packaging material web and at least one of the tension bands being driven at the web speed.
  • Corresponding pull rollers can also be used instead of the pull straps 60.1 and 60.2.
  • the tensioning means 62 is arranged upstream from the point at which the objects to be packed are positioned on or under the packaging material web. be kidneyed and consists for example of a pair of tension rollers.
  • the second device 6 for the embodiment according to FIGS. 1 and 2 has a deflecting means 64 (for example a deflecting rod), by means of which the packaging material web is deflected in the direction of travel in the effective area of the accelerating means 51.
  • the third device 7 for folding the packaging material web 2 around the row 4 which can also be designed for feeding a further packaging material web (see FIG. 6), acts upstream of the traction means 60, between the latter and the deflection means 64, the deflection means itself can already have a folding effect on the packaging material web 2, that is to say, for example, it is designed as a curved deflecting rod.
  • the third device 7 has, for example, in a manner known per se, a sequence of pairs of folding rollers 70 arranged above the row 4, the distance between the folding rollers 70 of the pairs becoming smaller in the web direction, so that the two longitudinal edges of the packaging material web 2 are merged over row 4.
  • Corresponding devices are also known with which the longitudinal edges of a packaging material web arranged above the row are brought together under the row (see FIG. 7). It is of course also possible not to place the row 4 in the middle of the packaging material web 2 but on one side thereof and to place the packaging material web around the row only from one side.
  • the fourth device 8 for seam creation has a means 80 for creating the longitudinal seams and a means 81 for creating the transverse seams.
  • the means 80 for creating the longitudinal seams is advantageously arranged upstream of the traction means 60, the means 81 for creating the transverse seams downstream thereof, as is shown in FIGS. 1 and 2.
  • Any known means can be used as means 80 and 81 which are suitable for connecting the packaging material used in seams.
  • a rotating arrangement 82 of welding heads 83 which cooperates with a counter-pressure belt 84, is particularly suitable as means 81 for creating the transverse seams. Such an arrangement is described in detail in a patent application which has the same filing date as the present application.
  • Various methods known per se can be used to create the feed stream 3, which is not part of the invention per se, for example depositing a shingled stream on a feed belt 30 by an feeder 32 from a stack, by a winding station from a winder or by a gripper conveyor 33 directly from the rotary printing press.
  • the gripper stream is advantageously guided in a loop so that two or more parallel shingled streams can be deposited.
  • Objects deposited in such parallel shingled streams can, if necessary, be separated and positioned on the same packaging material web using the method according to the invention and then packed as parallel rows. For this purpose, only a sufficiently wide packaging material web is to be used and means are to be provided for creating additional longitudinal seams between the parallel rows.
  • FIG. 3 shows, on a somewhat larger scale than FIGS. 1 and 2, again the separation of the objects 1 supplied in the feed stream by acceleration and their direct positioning on the packaging material web 2.
  • the same elements are designated with the same reference numbers as in FIGS. 1 and 2.
  • the feed stream 3 consists of three scale streams which are positioned one on top of the other and in each of which one type of object (by different ne hatching marked) is supplied.
  • the three scale streams are coordinated and synchronized with one another in such a way that the objects in all scale streams are conveyed with the same distances d from one another and that the leading edges of the objects of the scale streams are aligned with one another.
  • flat objects 1 are formed in the shingled streams lying on top of one another, each consisting of three objects, the leading edges of which are aligned with one another and one of which belongs to one of the shingled streams.
  • Objects 1 are shown on the left in FIG. 3, lying on row 4 of packaging material 2 in row 4. Without influencing the method according to the invention or the device, the flat objects 1 in the feed stream 3 could also be arranged simply overlapping one another.
  • the feed stream 3 is fed by means of a feed belt 30 at a feed speed v.l.
  • the feed belt 30 can be supported by a support surface 31.
  • Accelerating means 51 which has an upper and a lower accelerating roller 51.1 and 51.2, adjoins the head end of feed belt 30.
  • the lower one is driven at a peripheral speed v.2, while the upper one is freely rotating, for example on a pivotable (double arrow A) lever 51.3, such that it is by its weight or by the force of an appropriately arranged spring is pressed against the lower acceleration roller 51.2. It is also possible to drive both acceleration rollers with the peripheral speed v.2.
  • the deflecting means 64 Downstream of the accelerating means 51 is the deflecting means 64, by means of which the packaging material web is deflected into the web direction that essentially adjoins the feed direction.
  • the packaging material web 2 moves away from the accelerating means 51 through the traction means (not shown in FIG. 3) at a speed v.3 (web speed) it is supported by a support conveyor 65 and / or by a support pad 66.
  • the speed ratio v.3: v.l (web speed to feed speed) behaves like d: (1 + q).
  • the speed v.2 (circumferential speed of the acceleration rollers) is at least as high as v.3. This ensures that a foremost object in the feed stream is completely separated from it before a following object comes into the range of action of the accelerating means 51, and it also ensures that the accelerated object can be safely positioned on the packaging material path.
  • the positioning is supported by the force of gravity that presses the objects against the packaging material web. It can also be supported by a positioning aid 55, which acts on each newly positioned object 1 by pressing it onto the packaging material web.
  • the positioning aid 55 is, for example, an auxiliary roller 55.1, which is arranged on a pivotable (double arrow B) lever 55.2 so as to rotate freely in such a way that it rolls on the packaging material web or on the objects positioned thereon and at least by its weight or by the force of an appropriately arranged spring is pressed downwards.
  • the auxiliary roller 55.1 can also be driven at the web speed v.3.
  • the distance r between the acceleration means 51 and the positioning aid 55 is approximately the same as the length 1 of the objects.
  • the distance r can be adjusted to adapt the device to different object lengths 1, for example by moving the pivoting lever 55.2 (double arrow C).
  • Both the acceleration rollers 51.1. and 51.2 and also the auxiliary roller 55.1 can each be designed as a roller, wherein they have axial lengths which are approximately as large as the width of the objects 1 to be packed.
  • they are advantageously each as a plurality of coaxial, transverse to the web direction Partial rolls designed such that they can be positioned adapted to different formats and shapes of objects to be packaged. This can, for example, prevent the rollers from acting on folding edges of such objects and damaging them.
  • FIG. 2 Such an embodiment of the acceleration and auxiliary rollers can be seen in FIG. 2, in which two acceleration partial rollers and three auxiliary partial rollers are shown.
  • FIGS. 4 and 5 show two further embodiments of the separation of the objects 1 from the head end of the feed stream 3 and their positioning on the packaging material web 2 to produce the row 4 on this web. These embodiments differ from the embodiment according to FIGS. 1 to 3 in particular by differently designed positioning aids 55.
  • FIG. 4 shows a positioning aid 55 in the form of an auxiliary belt 55.3 which is advantageously driven at the speed v.3 (web speed) and which, like the auxiliary roller 55.1 of FIG. 3, can also be designed as a plurality of sub-belts which can be displaced transversely to the web direction.
  • FIG. 5 shows, as a positioning aid 55, a cam conveyor 55.4 with cams 55.5 acting on the positioned objects 1 from above.
  • the cams are arranged at a distance from one another on a conveyor element, the distance between the cams being the same as 1 + q. They are driven at the web speed v.3 and are synchronized with the feed stream 3 such that they act in an aligning manner on the leading edge of the objects 1 positioned on the packaging material web.
  • the cams 55.5 are advantageously in the same way as that
  • the auxiliary roller according to FIG. 3 and the auxiliary belt according to FIG. 4 are designed as partial cams acting in parallel.
  • FIGS. 4 and 5 Another difference between the embodiments of the method according to the invention shown in FIGS. 4 and 5 is the feed stream 3. While the feed stream 3 according to FIG. 4 is a simple scale stream of individual, flat objects, the feed stream according to FIG. 5 again consists of partial streams lying on top of one another. However, as in FIG. 3, these are not all streams of shingles but rather consist in part of flat objects conveyed one behind the other, which obviously have a length in the conveying direction that is not as great as the distances between the objects (groups of one object from each partial stream) from one another.
  • FIG. 6 shows very schematically another exemplary embodiment of the separation of the objects 1 to be packaged, which are fed in the feed stream 3 by acceleration and their positioning on the packaging material web 2.
  • the feed stream 3 in this embodiment is a gripper stream which from above opposes itself in the web direction moving packaging material web 2 is guided and deflected over this.
  • each object 1 is conveyed by a gripper 90 and the distances of the grippers 90 from one another are smaller than the object lengths with a straight conveying path.
  • the grippers 90 are arranged on a conveyor element, for example on a gripper chain (dash-dotted line 91), so that they are accelerated in the deflection provided as the acceleration means 51 in such a way that they reach the web speed v.3, or their distance is 1 + q enlarged.
  • the grippers 90 can also be arranged on corresponding conveyor elements which can be conveyed independently of one another, the dash-dotted line 91 in FIG. 6 then being understood as a rail for the conveyor elements and the deflection, for example as a cycle wheel.
  • the grippers 90 are arranged in a projecting manner from the conveying elements, as is the case for a corresponding conveying element.
  • the reach of the grippers and / or the deflection geometry must be set up in an adjustable manner.
  • FIG. 6 shows that the feed, separation and positioning shown make it possible to make the device even more compact than according to FIGS. 1 to 5, in particular if, instead of the packaging material web 2 being folded over, another such web 2 from above 'is fed from a further supply roll 61'.
  • a deflecting roller deflecting the additional packaging material web in the web direction can simultaneously function as a positioning aid 55.
  • FIG. 7 shows a further embodiment of the separation of flat objects 1 to be packed and their positioning, in which case the packaging material web 2 in the effective range of the acceleration means 51 from above deflected in the web direction and the objects 1 are positioned under the packaging material web 2, that is to say between the packaging material web 2 and the support conveyor 65.
  • a positioning aid 55 can also be used in this case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Basic Packing Technique (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Packaging Of Special Articles (AREA)

Abstract

The packaging process involves forming a row (4) directly on the packaging material web (2) while the objects (1) are separated out by acceleration from a supply stream (3) in which they overlap, and placed directly on the web. This eliminates the additional conveying steps so that the entire conveying line can be reduced.

Description

VERFAHREN UND EINRICHTUNG ZUR VERPACKUNG VON FLACHEN OBJEKTEN METHOD AND DEVICE FOR PACKING FLAT OBJECTS
Die Erfindung liegt auf dem Gebiete der Verpackungstechnik und betrifft ein Verfahren und eine Einrichtung nach den Oberbegriffen der entsprechenden, unabhängigen Patentansprüche. Verfahren und Einrichtung dienen zum Verpacken von flachen Objekten, beispielsweise von einzelnen Druckprodukten, von stapeiförmigen Gruppen von Druckprodukten oder von stapeiförmigen Gruppen von Druckprodukten und anderen, flachen Gegenständen wie beispielsweise CDs, flachen Mustergegenständen oder flachen Musterbeuteln.The invention lies in the field of packaging technology and relates to a method and a device according to the preambles of the corresponding independent claims. The method and device serve for packaging flat objects, for example individual printed products, stacked groups of printed products or stacked groups of printed products and other flat objects such as CDs, flat sample objects or flat sample bags.
Es ist bekannt, flache Objekte der oben genannten Art mit Hilfe einer quasi endlosen Verpackungsmaterial-Bahn (z.B. ab Rolle zugeführte Kunststofffolie oder Papier- bahn) zu verpacken. Dabei wird eine solche Veφackungsmaterial-Bahn um die in einer Reihe hintereinander und voneinander beabstandet geförderten Objekte gelegt oder es wird einer solchen Reihe beidseitig eine Veφackungsmaterial-Bahn zugeführt. Dann wird die Veφackungsmaterial-Bahn (oder die Bahnen) in Längsrichtung auf der Oberseite der Reihe oder seitlich davon in Längsnähten und zwischen je zwei aufeinanderfolgenden Objekten quer zur Längsrichtung in Quernähten verschlossen. Gegebenenfalls werden die derart allseitig vom Veφackungsmaterial umschlossenen Objekte unmittelbar nach der Erstellung der Quernähte oder gleichzeitig damit auch voneinander getrennt. Bei Verwendung von Kunststofffolie als Veφackungsmaterial werden die Längsund Quernähte üblicherweise durch Schweissen hergestellt, wobei das Trennen der veφackten Objekte gleichzeitig mit der Erstellung der Quernähte durchgeführt werden kann. Bei der Verwendung von Papier als Veφackungsmaterial kann beispiels- weise unmittelbar vor der Zuführung der Veφackungsmaterial-Bahn zur Reihe der zu veφackenden Objekte an den Stellen der Längs- und Quemähte ein durch Wärme aktivierbarer Kleber auf das Veφackungsmaterial aufgebracht werden, sodass die Nähte dann mit ähnlichen Mitteln erstellt werden können wie die geschweissten Nähte an Kunststoffveφackungen. Es ist auch möglich, die Nähte durch eine Prä- gung oder durch andere bekannte und auf das verwendete Veφackungsmaterial abgestimmte Methoden zu schliessen.It is known to pack flat objects of the type mentioned above with the aid of a quasi endless packaging material web (for example plastic film fed from a roll or paper web). Such a packaging material web is placed around the objects conveyed in a row one behind the other and at a distance from one another, or a packaging material web is fed to such a row on both sides. Then the packaging material web (or the webs) is closed in the longitudinal direction on the top of the row or laterally in longitudinal seams and between two successive objects transverse to the longitudinal direction in transverse seams. If necessary, the objects enclosed on all sides by the packaging material are separated from one another immediately after the transverse seams have been created or at the same time therewith. When plastic film is used as the packaging material, the longitudinal and transverse seams are usually produced by welding, and the separated objects can be separated at the same time as the transverse seams are being created. When using paper as packaging material, for example, immediately before the packaging material web is fed to the row of objects to be packed, a heat-activatable adhesive can be applied to the packaging material at the locations of the longitudinal and transverse seams, so that the seams are then similar Means can be created like the welded seams on plastic packaging. It is also possible to close the seams by embossing or by other known methods that are matched to the packaging material used.
Vorrichtungen zur Durchführung der genannten Art von Veφackung sind beispielsweise beschrieben in den Publikationen EP-0712782, DE-3123988 oder EP- 0018041.Devices for carrying out the aforementioned type of packaging are described, for example, in the publications EP-0712782, DE-3123988 or EP-0018041.
Wie aus den genannten Publikationen hervorgeht, werden die Objekte in Form einer Reihe, die auf einer Förderfläche (z.B. Bandförderer) aufliegt, der genannten Verpackung zugeführt. In der Reihe sind die Objekte hintereinander und voneinander beabstandet, lose aufliegend angeordnet, wobei die Distanz zwischen aufeinanderfolgenden Objekten an die Dicke der Objekte und an die verwendeten Methoden zur Erstellung der Quernähte und zur Trennung des Veφackungsmaterials angepasst ist. Für die Aufrechterhaltung der genauen Anordnung der Objekte in der Reihe werden zusätzlich zur Förderfläche Fördernocken verwendet, durch die die flachen Objekte genauer getaktet zugeführt werden können, als dies mit der Förderfläche als einzigem Fördermittel der Fall wäre. Zu den in der Reihe geförderten, flachen Objekten wird dann von unten durch eine Lücke in der Förderfläche oder von oben die quasi endlose Veφackungsmaterial-Bahn zugeführt, wobei die Veφackungsmaterial-Bahn dieselbe Geschwindigkeit hat wie die Reihe der Objekte. Zur Erstellung der Reihe werden die Objekte üblicherweise von einem Stapel abgezogen und einzeln auf die Förderfläche aufgelegt.As can be seen from the publications mentioned, the objects are fed in the form of a row, which rests on a conveying surface (for example a belt conveyor), to the packaging mentioned. In the row, the objects are arranged one behind the other and spaced apart, loosely resting on top of each other, the distance between successive objects being adapted to the thickness of the objects and to the methods used to create the transverse seams and to separate the packaging material. In order to maintain the exact arrangement of the objects in the row, conveyor cams are used in addition to the conveying surface, by means of which the flat objects can be supplied in a clocked manner than would be the case with the conveying surface as the only conveying means. The quasi-endless web of packaging material is then fed from below through a gap in the conveying surface or from above to the flat objects conveyed in the row, the web of packaging material having the same speed as the row of objects. To create the row, the objects are usually pulled off a stack and placed individually on the conveying surface.
Es zeigt sich in der Praxis, dass die genannte Veφackungsmethode samt der Erstellung und der Zuführung der Objektreihe relativ lange Förderstrecken benötigt, was in vielen Fällen aus Platzgründen nur mit Umlenkungen realisierbar ist. In solchen Umlenkungen wirken auf die flachen Objekte Beschleunigungskräfte nicht nur desorientierend sondern insbesondere auf Objekte in Form einer Mehrzahl von gestapelten flachen Gegenständen auch destabilisierend. Dazu kommen, insbesondere dann, wenn hohe Kapazitäten gefordert sind, hohe Fördergeschwindigkeiten, also hohe Luftwiderstände die in derselben Weise auf die Objekte wirken. Um solchen Wirkungen auf die Objekte entgegenwirken zu können, sind einrichtungsmässig aufwendige Massnamen notwendig, durch die die notwendigen Förderstrecken üblicherweise weiter verlängert werden.It has been shown in practice that the packaging method mentioned, including the creation and supply of the row of objects, requires relatively long conveying lines, which in many cases can only be realized with redirections for reasons of space. In such deflections, acceleration forces not only have a disorienting effect on the flat objects but also, in particular on objects in the form of a plurality of stacked flat objects, also have a destabilizing effect. In addition, especially when high capacities are required, there are high conveying speeds, i.e. high air resistances, which act on the objects in the same way. In order to be able to counteract such effects on the objects, complex measures are necessary in terms of equipment, by means of which the necessary conveying routes are usually further extended.
Die Erfindung stellt sich nun die Aufgabe, ein Verfahren und eine Einrichtung auf- zuzeigen, die der Veφackung einer Reihe von flachen Objekten mit Hilfe einer quasi endlosen Veφackungsmaterial-Bahn dienen und mit denen die oben beschriebenen Nachteile bekannter derartiger Verfahren und Einrichtungen vermieden werden können. Insbesondere sollen es Verfahren und Einrichtung gemäss Erfindung erlauben, die Förderstrecken auf ein Minimum zu beschränken und mit einfachsten Förder- mittein auszukommen und trotzdem bei sehr hohen Förderleistungen auch relativ wenig stabile Objekte verpacken zu können.The object of the invention is to provide a method and a device which serve for packaging a series of flat objects with the aid of a quasi-endless web of packaging material and with which the disadvantages of known methods and devices of this type described above can be avoided. In particular, the method and device according to the invention are intended to allow the conveying routes to be kept to a minimum and to get by with the simplest means of conveyance and still be able to pack relatively unstable objects with very high conveying capacities.
Diese Aufgabe wird gelöst durch Verfahren und Einrichtung, wie sie in den Patentansprüchen definiert sind. Die Grundidee der Erfindung besteht darin, nicht wie in bekannten Veφackungsver- fahren der gleichen Gattung die Reihe der zu veφackenden Objekte zu erstellen und diese auf einer Förderfläche aufliegend der quasi endlosen Veφackungsmaterial- Bahn zuzuführen, sondern die Reihe erst direkt auf oder unter der Veφackungsmate- rial-Bahn zu erstellen. Das heisst mit anderen Worten, ge äss Erfindung wird der Veφackung nicht eine Reihe von in Förderrichtung hintereinander und voneinander beabstandet angeordneten Objekten zugeführt, sondern ein Zuführungsstrom, in dem die Abstände der Objekte voneinander kleiner sind als ihre Länge in Förderrichtung, wenn sie in der Reihe gefördert werden. Der Zuführungsstrom ist also beispielsweise ein Schuppenstrom, in dem die Objekte einander überlappend auf einer Förderauflage aufliegend gefördert werden, oder er ist ein Greiferstrom, in dem die Objekte einzeln in einer Kantenregion gehalten und mit kleinen Abständen voneinander gefördert werden. Aus diesem Zuführungsstrom werden die Objekte nacheinander durch Beschleunigung vereinzelt und direkt auf oder unter der sich in einer Bahnrichtung bewegenden Veφackungsmaterial-Bahn positioniert durch beispielsweise Ablegen oder Aufschieben.This object is achieved by the method and device as defined in the patent claims. The basic idea of the invention is not to create the row of objects to be packed, as in known packaging processes of the same genus, and to feed these onto the conveying material web lying on a conveying surface, but rather to supply the row directly on or under the packaging material. rial train. In other words, according to the invention, the packaging is not supplied with a series of objects arranged one behind the other and spaced apart in the conveying direction, but rather a supply stream in which the distances between the objects are smaller than their length in the conveying direction when they are in series be promoted. The feed stream is thus, for example, a shingled stream in which the objects are conveyed overlapping one another on a conveyor support, or it is a gripper stream in which the objects are individually held in an edge region and conveyed at small distances from one another. From this feed stream, the objects are separated one after the other by acceleration and positioned directly on or under the packaging material web moving in a web direction by, for example, depositing or pushing on.
Das Verhältnis zwischen der Bahngeschwindigkeit und der Zuführungsgeschwindigkeit und damit die notwendige Beschleunigung der Objekte für die Vereinzelung aus dem Zuführungsstrom und die Positionierung auf der Veφackungsmaterial-Bahn sind bestimmt durch die Objektabstände im Zuführungsstrom und durch die Objektlänge und Objektdistanzen in der auf der Veφackungsmaterial-Bahn zu erstellenden Reihe.The relationship between the web speed and the feed speed and thus the necessary acceleration of the objects for the separation from the feed stream and the positioning on the packaging material path are determined by the object distances in the supply stream and by the object length and object distances in the packaging material path creating series.
Die Bahnrichtung ist im wesentlichen horizontal, derart, dass auf der Veφackungsmaterial-Bahn aufliegende, flache Objekte durch die Schwerkraft gegen die Veφak- kungsmaterial-Bahn gedrückt in derjenigen Position auf der Bahn verbleiben, in der sie beim Beschleunigen positioniert werden. Wenn die flachen Objekte in einem Schuppenstrom zugeführt werden, ist es vorteilhaft, die Zuführungsrichtung in die- selbe vertikale Ebene zu legen wie die Bahnrichtung und ebenfalls etwa horizontal auszurichten und die Veφackungsmaterial-Bahn an der Beschleunigungsstelle von unten oder von oben in die Bahnrichtung umzulenken. Wenn die flachen Objekte in einem Greiferstrom zugeführt werden, ist es vorteilhaft, diesen von oben oder von unten gegen die sich in Bahnrichtung bewegende Veφackungsmaterial-Bahn zu richten und unmittelbar über oder unter der Veφackungsmaterial-Bahn in die Bahnrichtung umzulenken.The direction of the web is essentially horizontal, such that flat objects lying on the web of packaging material are pressed by gravity against the web of packaging material and remain in the position on the web in which they are positioned when accelerating. If the flat objects are fed in a stream of shingles, it is advantageous to change the feed direction in this direction. to lay the same vertical plane as the web direction and also to align it approximately horizontally and to divert the packaging material web at the acceleration point from below or from above into the web direction. If the flat objects are fed in a gripper stream, it is advantageous to direct them from above or below against the web of packaging material moving in the web direction and to deflect them directly above or below the web of packaging material in the web direction.
Es zeigt sich, dass mit dem erfindungsgemässen Verfahren relativ unstabile, flache Objekte, wie beispielsweise Stapel einer Mehrzahl von Druckprodukten mit ver- schiedenen Formaten, mit Förderleistungen von über 40O00 Stück pro Stunde ohne die Verwendung von zusätzlichen Stabilisierungsmitteln in eine Kunststofffolie eingeschlagen und der Nahterstellung zugeführt werden können. Dabei ist die Strecke zwischen der Vereinzelung und Positionierung und der Nahterstellung einzig bestimmt durch die Art und Weise, in der die Folie umgeschlagen wird, und kann bei Verwendung von zwei Folienbahnen noch weiter reduziert werden.It can be seen that with the method according to the invention, relatively unstable, flat objects, such as stacks of a plurality of printed products with different formats, with a conveying capacity of over 40,000 pieces per hour, are wrapped in a plastic film without the use of additional stabilizing agents and fed to the seam production can be. The distance between the separation and positioning and the creation of the seam is determined solely by the way in which the film is handled and can be further reduced if two film webs are used.
Verfahren und Einrichtung gemäss Erfindung werden anhand der folgenden Figuren im Detail beschrieben. Dabei zeigen:The method and device according to the invention are described in detail with reference to the following figures. Show:
Figuren 1 und 2 ein Schema einer beispielhaften Ausführungsform einer erfindungsgemässen Einrichtung zur Erläuterung des Grundprinzips des erfin- dungsgemässen Verfahrens (Fig. 1: Seitenansicht, Fig. 2: Draufsicht);FIGS. 1 and 2 show a diagram of an exemplary embodiment of a device according to the invention for explaining the basic principle of the method according to the invention (FIG. 1: side view, FIG. 2: top view);
Figur 3 die Vereinzelung der im Zuführungsstrom zugeführten Objekte durch Beschleunigung und deren Positionierung auf der Veφackungsmaterial- Bahn gemäss Figuren 1 und 2 in etwas grösserem Massstab; Figuren 4 und 5 Vereinzelung und Positionierung wie gemäss Figur 3 aber unter Verwendung anderer Positionierungs-Hilfsmittel;3 shows the separation of the objects fed into the feed stream by acceleration and their positioning on the packaging material web according to FIGS. 1 and 2 on a somewhat larger scale; FIGS. 4 and 5 separation and positioning as in FIG. 3 but using other positioning aids;
Figur 6 eine weitere Ausführungsform der Vereinzelung der im Zuführungsstrom zugeführten Objekte durch Beschleunigung und deren Positionierung auf der Veφackungsmaterial-Bahn;FIG. 6 shows a further embodiment of the separation of the objects fed into the feed stream by acceleration and their positioning on the packaging material web;
Figur 7 eine weitere Ausführungsform der Vereinzelung der im Zuführungsstrom zugeführten Objekte durch Beschleunigung und deren Positionierung unter die in diesem Falle von oben zugeführte Veφackungsmaterial-Bahn.FIG. 7 shows a further embodiment of the separation of the objects fed into the feed stream by acceleration and their positioning under the packaging material web fed from above in this case.
Figuren 1 und 2 zeigen eine beispielhafte Ausführungsform des Verfahrens und der Einrichtung gemäss Erfindung. Diese dienen, wie bereits eingangs erläutert, der Verpackung von flachen Objekten 1 mit Hilfe einer quasi endlosen Veφackungsmaterial-Bahn 2. Die Objekte werden in einem Zuführungsstrom 3 (hier ein Schuppenstrom) zugeführt und nacheinander auf der Veφackungsmaterial-Bahn 2 positioniert, derart, dass sie auf der Veφackungsmaterial-Bahn eine Reihe 4 bilden. Im Zufüh- rungsstrom 3 werden die Objekte mit Abständen d voneinander gefördert, wobei d kleiner ist als die Objektlänge 1 in Förderrichtung. Zwischen den in der Reihe 4 hintereinander geförderten Objekten 1 ist für die Erstellung der Quernähte je eine Distanz q zu erstellen.Figures 1 and 2 show an exemplary embodiment of the method and the device according to the invention. As already explained at the beginning, these serve to package flat objects 1 with the aid of a quasi-endless packaging material web 2. The objects are fed in a feed stream 3 (here a shingled stream) and positioned one after the other on the packaging material web 2 in such a way that they form a row 4 on the packaging material web. In the feed stream 3, the objects are conveyed at distances d from one another, where d is less than the object length 1 in the conveying direction. A distance q must be created between each of the objects 1 conveyed one behind the other in the row 4 in order to produce the transverse seams.
Die Einrichtung weist im wesentlichen die folgenden vier, miteinander kooperieren- den Vorrichtungen auf: Eine erste Vorrichtung 5 zur Erstellung der Reihe 4, das heisst gemäss Erfindung zur Vereinzelung der im Zuführungsstrom 3 zugeführten Objekte 1 durch Beschleunigung und zu deren direkter Positionierung auf (oder unter, siehe Figur 7) der Veφackungsmaterial-Bahn 2, eine zweite Vorrichtung 6 zur Zuführung der Veφackungsmaterial-Bahn 2 und zum Fördern der Veφackungsma- terial-Bahn 2 zusammen mit der Reine 4, eine dritte Vorrichtung 7 zum Umlegen der Veφackungsmaterial-Bahn 2 um die Reihe 4 (oder zur Zuführung einer weiteren Veφackungsmaterial-Bahn, siehe Figur 6) und eine vierte Vorrichtung 8 zur Nahterstellung und gegebenenfalls zur Trennung der veφackten Objekte 1 ' voneinander.The device essentially has the following four devices which cooperate with one another: A first device 5 for creating the row 4, that is, according to the invention, for separating the objects 1 supplied in the feed stream 3 by acceleration and for their direct positioning on (or below) , see FIG. 7) of the packaging material web 2, a second device 6 for feeding the packaging material web 2 and for conveying the packaging material web 2 together with the line 4, a third device 7 for folding the Packaging material web 2 around row 4 (or for feeding a further web of packaging material, see FIG. 6) and a fourth device 8 for creating seams and optionally for separating the packed objects 1 'from one another.
Die erste Vorrichtung 5 zur Erstellung der Reihe 4 weist ein Beschleunigungsmittel 51 auf, durch das nacheinander Objekte vom Kopfende des Zuführungsstromes 3 beschleunigt und dadurch von diesem Kopfende getrennt, also vereinzelt, und gleichzeitig auf der Veφackungsmaterial-Bahn positioniert werden. Das Beschleunigungsmittel 51 ist beispielsweise ein Paar einer oberen und einer unteren Beschleunigungsrolle 51.1 und 51.2, oder eine Mehrzahl solcher Paare. Anstelle der Be- schleunigungsroUen 51.1 und 51.2 können auch entsprechend angeordnete, umlaufende Beschleunigungsbänder oder Nockenräder zur Anwendung kommen.The first device 5 for creating the row 4 has an acceleration means 51, by means of which objects from the head end of the feed stream 3 are successively accelerated and thereby separated from this head end, that is to say isolated, and simultaneously positioned on the packaging material web. The acceleration means 51 is, for example, a pair of an upper and a lower acceleration roller 51.1 and 51.2, or a plurality of such pairs. Instead of the acceleration tubes 51.1 and 51.2, correspondingly arranged, revolving acceleration belts or cam wheels can also be used.
Die zweite Vorrichtung 6 zur Zuführung der Veφackungsmaterial-Bahn 2 und zur Förderung der Veφackungsmaterial-Bahn 2 zusammen mit der Reihe 4 weist ein Zugmittel 60 auf, mit dessen Hilfe die Veφackungsmaterial-Bahn 2 kontinuierlich von einer Vorratsrolle 61 abgezogen und in Bahnrichtung bewegt wird, sowie ein Spannungsmittel 62, mit dessen Hilfe die Veφackungsmaterial-Bahn unter einer konstanten Spannung gehalten wird. Das Zugmittel 60 ist vorteilhafterweise da angeordnet, wo die Veφackungsmaterial-Bahn 2 bereits um die Reihe 4 gelegt ist, also flussabwärts von der dritten Vorrichtung 7. Damit das Zugmittel 60 seine ziehende Wirkung entfalten kann, ohne die Veφackungsmaterial-Bahn umlenken zu müssen, ist es beispielsweise als kooperierendes Paar eines oberen und eines unteren Zugbandes 60.1 und 60.2 ausgebildet, wobei die beiden Zugbänder von oben und unten auf die von der Veφackungsmaterial-Bahn umhüllte Reihe 3 pressen und mindestens eines der Zugbänder mit der Bahngeschwindigkeit angetrieben ist. Anstelle der Zug- bänder 60.1 und 60.2 können auch entsprechende Zugrollen zum Einsatz kommen. Das Spannungsmittel 62 ist flussaufwärts von derjenigen Stelle angeordnet, an der die zu veφackenden Objekte auf oder unter der Veφackungsmaterial-Bahn positio- niert werden und besteht beispielsweise aus einem Paar von Spannungsrollen. Ferner weist die zweite Vorrichtung 6 für die Ausführungsform gemäss Figuren 1 und 2 ein Umlenkmittel 64 (z.B. eine Umlenkstange) auf, durch das die Veφackungsmaterial- Bahn im Wirkungsbereich des Beschleunigungsmittels 51 in die Bahnrichtung um- gelenkt wird.The second device 6 for feeding the packaging material web 2 and for conveying the packaging material web 2 together with the row 4 has a traction means 60, with the aid of which the packaging material web 2 is continuously drawn off from a supply roll 61 and moved in the web direction, and a tensioning means 62, with the aid of which the packaging material web is kept under a constant tension. The traction means 60 is advantageously arranged where the packaging material web 2 is already placed around the row 4, that is to say downstream of the third device 7. So that the traction means 60 can develop its pulling action without having to redirect the packaging material web it is formed, for example, as a cooperating pair of an upper and a lower tension band 60.1 and 60.2, the two tension bands pressing from above and below onto the row 3 covered by the packaging material web and at least one of the tension bands being driven at the web speed. Corresponding pull rollers can also be used instead of the pull straps 60.1 and 60.2. The tensioning means 62 is arranged upstream from the point at which the objects to be packed are positioned on or under the packaging material web. be kidneyed and consists for example of a pair of tension rollers. Furthermore, the second device 6 for the embodiment according to FIGS. 1 and 2 has a deflecting means 64 (for example a deflecting rod), by means of which the packaging material web is deflected in the direction of travel in the effective area of the accelerating means 51.
Die dritte Vorrichtung 7 zum Umlegen der Veφackungsmaterial-Bahn 2 um die Reihe 4, die auch zur Zuführung einer weiteren Veφackungsmaterial-Bahn ausgestaltet sein kann (siehe Figur 6), wirkt flussaufwärts vom Zugmittel 60, zwischen diesem und dem Umlenkmittel 64, wobei das Umlenkmittel selbst bereits eine umlegende Wirkung auf die Veφackungsmaterial-Bahn 2 haben kann, also beispielsweise als gekrümmte Umlenkstange ausgestaltet ist. Die dritte Vorrichtung 7 weist beispielsweise in an sich bekannter Art eine über der Reihe 4 angeordnete Abfolge von Paaren von Umlegerollen 70 auf, wobei die Distanz zwischen den Umlegerollen 70 der Paare in Bahnrichtung kleiner wird, so dass die beiden Längskanten der Veφak- kungsmaterial-Bahn 2 über der Reihe 4 zusammengeführt werden. Ebenfalls bekannt sind entsprechende Vorrichtungen, mit denen die Längskanten einer über der Reihe angeordneten Veφackungsmaterial-Bahn unter der Reihe zusammengeführt werden (siehe Figur 7). Es ist selbstverständlich auch möglich, die Reihe 4 nicht in der Mitte der Veφackungsmaterial-Bahn 2 abzulegen sondern auf einer Seite davon und die Veφackungsmaterial-Bahn nur von einer Seite um die Reihe zu legen.The third device 7 for folding the packaging material web 2 around the row 4, which can also be designed for feeding a further packaging material web (see FIG. 6), acts upstream of the traction means 60, between the latter and the deflection means 64, the deflection means itself can already have a folding effect on the packaging material web 2, that is to say, for example, it is designed as a curved deflecting rod. The third device 7 has, for example, in a manner known per se, a sequence of pairs of folding rollers 70 arranged above the row 4, the distance between the folding rollers 70 of the pairs becoming smaller in the web direction, so that the two longitudinal edges of the packaging material web 2 are merged over row 4. Corresponding devices are also known with which the longitudinal edges of a packaging material web arranged above the row are brought together under the row (see FIG. 7). It is of course also possible not to place the row 4 in the middle of the packaging material web 2 but on one side thereof and to place the packaging material web around the row only from one side.
Die vierte Vorrichtung 8 zur Nahterstellung weist ein Mittel 80 zur Erstellung der Längsnähte und ein Mittel 81 zur Erstellung der Quemähte auf. Das Mittel 80 zur Erstellung der Längsnähte ist vorteilhafterweise stromaufwärts vom Zugmittel 60 angeordnet, das Mittel 81 zur Erstellung der Quernähte stromabwärts davon, wie dies in den Figuren 1 und 2 dargestellt ist. Als Mittel 80 und 81 sind an sich beliebige, bekannte solche Mittel einsetzbar, die sich dafür eignen, das verwendete Verpak- kungsmaterial in Nähten zu verbinden. Insbesondere werden bei der Verwendung von Kunststofffolie als Veφackungsmaterial entsprechend ausgestaltete und angeordnete Schweissköpfe verwendet. Als Mittel 81 für die Erstellung der Quernähte eignet sich insbesondere eine rotierende Anordnung 82 von Schweissköpfen 83, die mit einem Gegenpressband 84 kooperiert. Eine derartige Anordnung ist im Detail beschrieben in einer Patentanmeldung, die dasselbe Anmeldedatum hat wie die vorliegende Anmeldung.The fourth device 8 for seam creation has a means 80 for creating the longitudinal seams and a means 81 for creating the transverse seams. The means 80 for creating the longitudinal seams is advantageously arranged upstream of the traction means 60, the means 81 for creating the transverse seams downstream thereof, as is shown in FIGS. 1 and 2. Any known means can be used as means 80 and 81 which are suitable for connecting the packaging material used in seams. In particular, when using of plastic film used as packaging material appropriately designed and arranged welding heads. A rotating arrangement 82 of welding heads 83, which cooperates with a counter-pressure belt 84, is particularly suitable as means 81 for creating the transverse seams. Such an arrangement is described in detail in a patent application which has the same filing date as the present application.
Zur Erstellung des Zuführungsstromes 3, die an sich nicht zur Erfindung gehört, können die verschiedensten, an sich bekannten Methoden angewendet werden, beispielsweise Ablegen eines Schuppenstromes auf einem Zuführungsband 30 durch einen Anleger 32 ab Stapel, durch eine Wickelstation ab Wickel oder durch einen Greifertransporteur 33 direkt ab Rotations-Druckmaschine. Im letzteren Fall, in dem ein Hochleistungs-Strom zu verarbeiten ist, wird der Greiferstrom vorteilhafterweise derart geschlauft geführt, dass zwei oder mehr parallele Schuppenströme abgelegt werden können. In derartigen, parallelen Schuppenströmen abgelegte Objekte kön- nen nach dem erfindungsgemässen Verfahren gegebenenfalls auf dieselbe Veφak- kungsmaterial-Bahn vereinzelt und positioniert und anschliessend als parallele Reihen veφackt werden. Dazu ist lediglich eine genügend breite Veφackungsmaterial- Bahn zu verwenden und sind Mittel zur Erstellung von zusätzlichen Längsnähten zwischen den parallelen Reihen vorzusehen.Various methods known per se can be used to create the feed stream 3, which is not part of the invention per se, for example depositing a shingled stream on a feed belt 30 by an feeder 32 from a stack, by a winding station from a winder or by a gripper conveyor 33 directly from the rotary printing press. In the latter case, in which a high-performance stream is to be processed, the gripper stream is advantageously guided in a loop so that two or more parallel shingled streams can be deposited. Objects deposited in such parallel shingled streams can, if necessary, be separated and positioned on the same packaging material web using the method according to the invention and then packed as parallel rows. For this purpose, only a sufficiently wide packaging material web is to be used and means are to be provided for creating additional longitudinal seams between the parallel rows.
Figur 3 zeigt in einem etwas grösserem Massstab als Figuren 1 und 2 nochmals die Vereinzelung der im Zuführungsstrom zugeführten Objekte 1 durch Beschleunigung und deren direkte Positionierung auf der Veφackungsmaterial-Bahn 2. Gleiche Elemente sind mit gleichen Bezugsziffern bezeichnet wie in den Figuren 1 und 2.FIG. 3 shows, on a somewhat larger scale than FIGS. 1 and 2, again the separation of the objects 1 supplied in the feed stream by acceleration and their direct positioning on the packaging material web 2. The same elements are designated with the same reference numbers as in FIGS. 1 and 2.
Der Zuführungsstrom 3 besteht im dargestellten Falle aus drei Schuppenströmen, die aufeinander positioniert sind und in denen je ein Gegenstandstyp (durch verschiede- ne Schraffierungen gekennzeichnet) zugeführt wird. Die drei Schuppenströme sind derart aufeinander abgestimmt und synchronisiert, dass die Gegenstände in allen Schuppenströmen mit denselben Abständen d voneinander gefördert werden und dass die vorlaufenden Kanten der Gegenstände der Schuppenströme aufeinander ausgerichtet sind. In dieser Weise sind in den aufeinander liegenden Schuppenströmen flache Objekte 1 vorgebildet, die aus je drei Gegenständen bestehen, deren vorlaufende Kanten aufeinander ausgerichtet sind und von denen je einer zu einem der Schuppenströme gehört. Die Objekte 1 sind links in der Figur 3 auf der Veφak- kungsmaterial-Bahn 2 aufliegend in der Reihe 4 dargestellt. Ohne Einfluss auf das erfindungsgemässe Verfahren oder auf die Einrichtung könnten die flachen Objekte 1 im Zuführungsstrom 3 aber auch einander einfach überlappend angeordnet sein.In the case shown, the feed stream 3 consists of three scale streams which are positioned one on top of the other and in each of which one type of object (by different ne hatching marked) is supplied. The three scale streams are coordinated and synchronized with one another in such a way that the objects in all scale streams are conveyed with the same distances d from one another and that the leading edges of the objects of the scale streams are aligned with one another. In this way, flat objects 1 are formed in the shingled streams lying on top of one another, each consisting of three objects, the leading edges of which are aligned with one another and one of which belongs to one of the shingled streams. Objects 1 are shown on the left in FIG. 3, lying on row 4 of packaging material 2 in row 4. Without influencing the method according to the invention or the device, the flat objects 1 in the feed stream 3 could also be arranged simply overlapping one another.
Der Zuführungsstrom 3 wird mittels eines Zuführungsbandes 30 mit einer Zuführungsgeschwindigkeit v.l zugeführt. Das Zuführungsband 30 kann durch eine Stützfläche 31 unterstützt sein. Am Kopfende des Zuführungsbandes 30 schliesst sich das Beschleunigungsmittel 51 an, das eine obere und eine untere Beschleunigungsrolle 51.1 und 51.2 aufweist. Von den Beschleunigungsrollen ist beispielsweise die untere angetrieben mit einer Umfangsgeschwindigkeit v.2, während die obere frei drehend beispielsweise an einem schwenkbaren (Doppelpfeil A) Hebel 51.3 angeordnet ist, derart, dass sie durch ihr Gewicht oder durch die Kraft einer entsprechend angeord- neten Feder gegen die untere Beschleunigungsrolle 51.2 gepresst wird. Es ist auch möglich, beide Beschleunigungsrollen mit der Umfangsgeschwindigkeit v.2 anzutreiben.The feed stream 3 is fed by means of a feed belt 30 at a feed speed v.l. The feed belt 30 can be supported by a support surface 31. Accelerating means 51, which has an upper and a lower accelerating roller 51.1 and 51.2, adjoins the head end of feed belt 30. Of the acceleration rollers, for example, the lower one is driven at a peripheral speed v.2, while the upper one is freely rotating, for example on a pivotable (double arrow A) lever 51.3, such that it is by its weight or by the force of an appropriately arranged spring is pressed against the lower acceleration roller 51.2. It is also possible to drive both acceleration rollers with the peripheral speed v.2.
Flussabwärts vom Beschleunigungsmittel 51 schliesst das Umlenkmittel 64 an, durch das die Veφackungsmaterial-Bahn in die an die Zuführungsrichtung im wesentlichen geradlinig anschliessende Bahnrichtung umgelenkt wird. Die Veφackungsmaterial- Bahn 2 bewegt sich durch das Zugmittel (in Figur 3 nicht dargestellt) mit einer Geschwindigkeit v.3 (Bahngeschwindigkeit) vom Beschleunigungsmittel 51 weg, wobei es durch einen Stützförderer 65 und/oder durch eine Stützunterlage 66 unterstützt wird.Downstream of the accelerating means 51 is the deflecting means 64, by means of which the packaging material web is deflected into the web direction that essentially adjoins the feed direction. The packaging material web 2 moves away from the accelerating means 51 through the traction means (not shown in FIG. 3) at a speed v.3 (web speed) it is supported by a support conveyor 65 and / or by a support pad 66.
Das Geschwindigkeits Verhältnis v.3 : v.l (Bahngeschwindigkeit zu Zuführungsgeschwindigkeit) verhält sich wie d : (1 + q). Die Geschwindigkeit v.2 (Umfangsge- schwindigkeit der Beschleunigungsrollen) ist mindestens so gross wie v.3. Dadurch wird sichergestellt, dass ein vorderstes Objekt im Zuführungsstrom ganz von diesem getrennt ist, bevor ein folgendes Objekt in den Wirkungsbereich des Beschleunigungsmittels 51 kommt, und es wird ebenfalls sichergestellt, dass das beschleunigte Objekt sicher auf der Veφackungsmaterial-Bahn positioniert werden kann. Die Po- sitionierung wird im dargestellten Fall unterstützt durch die Schwerkraft, die die Objekte gegen die Veφackungsmaterial-Bahn drückt. Sie kann zusätzlich unterstützt werden durch ein Positionierungs-Hilfsmittel 55, das auf jedes neu positionierte Objekt 1 wirkt, indem es dieses an die Veφackungsmaterial-Bahn andrückt. Das Positionierungs-Hilfsmittel 55 ist beispielsweise eine Hilfsrolle 55.1, die an einem schwenkbaren (Doppelpfeil B) Hebel 55.2 frei drehend derart angeordnet ist, dass sie auf der Veφackungsmaterial-Bahn bzw. auf den darauf positionierten Objekten abrollt und dabei mindestens durch ihr Gewicht oder durch die Kraft einer entsprechend angeordneten Feder gegen unten gedrückt wird. Die Hilfsrolle 55.1 kann auch mit der Bahngeschwindigkeit v.3 angetrieben sein.The speed ratio v.3: v.l (web speed to feed speed) behaves like d: (1 + q). The speed v.2 (circumferential speed of the acceleration rollers) is at least as high as v.3. This ensures that a foremost object in the feed stream is completely separated from it before a following object comes into the range of action of the accelerating means 51, and it also ensures that the accelerated object can be safely positioned on the packaging material path. In the case shown, the positioning is supported by the force of gravity that presses the objects against the packaging material web. It can also be supported by a positioning aid 55, which acts on each newly positioned object 1 by pressing it onto the packaging material web. The positioning aid 55 is, for example, an auxiliary roller 55.1, which is arranged on a pivotable (double arrow B) lever 55.2 so as to rotate freely in such a way that it rolls on the packaging material web or on the objects positioned thereon and at least by its weight or by the force of an appropriately arranged spring is pressed downwards. The auxiliary roller 55.1 can also be driven at the web speed v.3.
Die Distanz r zwischen dem Beschleunigungsmittel 51 und dem Positionierungs- Hilfsmittel 55 ist etwa gleich gross wie die Länge 1 der Objekte. Vorteilhafterweise ist die Distanz r für eine Anpassung der Einrichtung an verschiedene Objektlängen 1 einstellbar, beispielsweise durch Verschiebung des Schwenkhebels 55.2 (Doppelpfeil C). Sowohl die Beschleunigungsrollen 51.1. und 51.2 als auch die Hilfsrolle 55.1 können als je eine Rolle ausgebildet sein, wobei sie axiale Längen aufweisen, die etwa so gross sind wie die Breite der zu veφackenden Objekte 1. Vorteilhafterweise sind sie aber als je eine Mehrzahl von koaxialen, quer zur Bahnrichtung verschiebbaren Teil- rollen ausgestaltet, derart, dass sie an verschiedene Formate und Formen von zu verpackenden Objekten angepasst positioniert werden können. Damit kann beispielsweise verhindert werden, dass die Rollen auf Faltkanten solcher Objekte wirken und diese beschädigen. Eine derartige Ausgestaltung der Beschleunigungs- und Hilfsrollen ist aus der Figur 2 ersichtlich, in der je zwei Beschleunigungs-Teilrollen und drei Hilf s -Teilrollen dargestellt sind.The distance r between the acceleration means 51 and the positioning aid 55 is approximately the same as the length 1 of the objects. Advantageously, the distance r can be adjusted to adapt the device to different object lengths 1, for example by moving the pivoting lever 55.2 (double arrow C). Both the acceleration rollers 51.1. and 51.2 and also the auxiliary roller 55.1 can each be designed as a roller, wherein they have axial lengths which are approximately as large as the width of the objects 1 to be packed. However, they are advantageously each as a plurality of coaxial, transverse to the web direction Partial rolls designed such that they can be positioned adapted to different formats and shapes of objects to be packaged. This can, for example, prevent the rollers from acting on folding edges of such objects and damaging them. Such an embodiment of the acceleration and auxiliary rollers can be seen in FIG. 2, in which two acceleration partial rollers and three auxiliary partial rollers are shown.
Figuren 4 und 5 zeigen zwei weitere Ausführungsformen der Vereinzelung der Objekte 1 vom Kopfende des Zuführungsstroms 3 und deren Positionierung auf der Veφackungsmaterial-Bahn 2 zur Erstellung der Reihe 4 auf dieser Bahn. Diese Ausführungsformen unterscheiden sich von der Ausführungsform gemäss Figuren 1 bis 3 insbesondere durch anders ausgestaltete Positionierungs-Hilfsmittel 55.FIGS. 4 and 5 show two further embodiments of the separation of the objects 1 from the head end of the feed stream 3 and their positioning on the packaging material web 2 to produce the row 4 on this web. These embodiments differ from the embodiment according to FIGS. 1 to 3 in particular by differently designed positioning aids 55.
Figur 4 zeigt ein Positionierungs-Hilfsmittel 55 in Form eines vorteilhafterweise mit der Geschwindigkeit v.3 (Bahngeschwindigkeit) angetriebenen Hilfsbandes 55.3, das wie die Hilfsrolle 55.1 der Figur 3, auch als Mehrzahl von quer zur Bahnrichtung verschiebbaren Teilbändem ausgestaltet sein kann. Figur 5 zeigt als Positionierungs- Hilfsmittel 55 einen von oben auf die positionierten Objekte 1 wirkenden Nockenförderer 55.4 mit Nocken 55.5. Die Nocken sind voneinander beabstandet an einem Förderorgan angeordnet, wobei der Abstand der Nocken voneinander gleich gross ist wie 1 + q. Sie werden mit der Bahngeschwindigkeit v.3 angetrieben und sind derart mit dem Zuführungsstrom 3 synchronisiert, dass sie in ausrichtender Weise auf die vorlaufende Kante der auf der Veφackungsmaterial-Bahn positionierten Objekte 1 wirken. Die Nocken 55.5 sind vorteilhafterweise in derselben Weise wie die Hilfsrolle gemäss Figur 3 und das Hilfsband gemäss Figur 4 als parallel wirkende Teilnocken ausgestaltet.FIG. 4 shows a positioning aid 55 in the form of an auxiliary belt 55.3 which is advantageously driven at the speed v.3 (web speed) and which, like the auxiliary roller 55.1 of FIG. 3, can also be designed as a plurality of sub-belts which can be displaced transversely to the web direction. FIG. 5 shows, as a positioning aid 55, a cam conveyor 55.4 with cams 55.5 acting on the positioned objects 1 from above. The cams are arranged at a distance from one another on a conveyor element, the distance between the cams being the same as 1 + q. They are driven at the web speed v.3 and are synchronized with the feed stream 3 such that they act in an aligning manner on the leading edge of the objects 1 positioned on the packaging material web. The cams 55.5 are advantageously in the same way as that The auxiliary roller according to FIG. 3 and the auxiliary belt according to FIG. 4 are designed as partial cams acting in parallel.
Ein weiterer Unterschied zwischen den in den Figuren 4 und 5 dargestellten Ausführungsformen des erfindungsgemässen Verfahrens besteht im Zuführungsstrom 3. Während der Zuführungsstrom 3 gemäss Figur 4 ein einfacher Schuppenstrom einzelner, flacher Gegenstände ist, besteht der Zuführungsstrom gemäss Figur 5 wiederum aus aufeinanderliegenden Teilströmen. Diese sind aber nicht wie in Figur 3 alles Schuppenströme sondern bestehen teilweise aus hintereinander geförderten, flachen Gegenständen, die offensichtlich eine Länge in Förderrichtung aufweisen, die nicht so gross ist wie die Abstände der Objekte (Gruppen von je einem Gegenstand aus jedem Teilstrom) voneinander. Offensichtlich ist es für das erfindungsgemässe Verfahren nicht relevant, wie der Zuführungsstrom 3 und die zu veφackenden Objekte beschaffen sind, solange im Zuführungsstrom die Abstände der Objekte voneinander kleiner sind als die Länge des längsten Gegenstandes in jedem Objekt und damit die Zuführungsgeschwindigkeit v.1 kleiner ist als die Bahngeschwindigkeit v.3.Another difference between the embodiments of the method according to the invention shown in FIGS. 4 and 5 is the feed stream 3. While the feed stream 3 according to FIG. 4 is a simple scale stream of individual, flat objects, the feed stream according to FIG. 5 again consists of partial streams lying on top of one another. However, as in FIG. 3, these are not all streams of shingles but rather consist in part of flat objects conveyed one behind the other, which obviously have a length in the conveying direction that is not as great as the distances between the objects (groups of one object from each partial stream) from one another. Obviously, it is not relevant for the method according to the invention how the feed stream 3 and the objects to be packed are designed, as long as the distances between the objects in the feed stream are smaller than the length of the longest object in each object and thus the feed speed v.1 is lower than the web speed v.3.
Figur 6 zeigt sehr schematisch eine weitere, beispielhafte Ausführungsform der Vereinzelung der zu veφackenden, im Zuführungsstrom 3 zugeführten Objekte 1 durch Beschleunigung und deren Positionierung auf der Veφackungsmaterial-Bahn 2. Der Zuführungsstrom 3 ist in dieser Ausführungsform ein Greiferstrom, der von oben gegen die sich in Bahnrichtung bewegende Veφackungsmaterial-Bahn 2 geführt und über dieser umgelenkt wird. In diesem Greiferstrom wird jedes Objekt 1 von einem Greifer 90 gehalten gefördert und die Abstände der Greifer 90 voneinander sind bei geradlinigem Förderweg kleiner als die Objektlängen. Die Greifer 90 sind an einem Förderorgan, z.B. an einer Greiferkette (strichpunktierte Linie 91) derart ausladend angeordnet, dass sie in der als Beschleunigungsmittel 51 vorgesehenen Umlenkung derart beschleunigt werden, dass sie die Bahngeschwindigkeit v.3 erreichen, bzw. sich ihr Abstand auf 1 + q vergrössert. Das heisst, dass die Greifer 90 und die von ih- nen gehaltenen Objekte 1 in der Umlenkung nacheinander von v.l auf v.3 beschleunigt und dadurch vereinzelt werden, in welchem Zustand sie durch gesteuerte, serielle Öffnung der Greifer 90 auf der unter der Umlenkung vorbeilaufenden Veφak- kungsmaterial-Bahn 2 abgelegt werden.FIG. 6 shows very schematically another exemplary embodiment of the separation of the objects 1 to be packaged, which are fed in the feed stream 3 by acceleration and their positioning on the packaging material web 2. The feed stream 3 in this embodiment is a gripper stream which from above opposes itself in the web direction moving packaging material web 2 is guided and deflected over this. In this gripper flow, each object 1 is conveyed by a gripper 90 and the distances of the grippers 90 from one another are smaller than the object lengths with a straight conveying path. The grippers 90 are arranged on a conveyor element, for example on a gripper chain (dash-dotted line 91), so that they are accelerated in the deflection provided as the acceleration means 51 in such a way that they reach the web speed v.3, or their distance is 1 + q enlarged. This means that the grippers 90 and those of their Objects 1 held in the deflection are accelerated one after the other from vl to v.3 and are thereby separated, in which state they are deposited on the packaging material web 2 passing under the deflection by controlled, serial opening of the grippers 90.
Die Greifer 90 können anstatt an einem Förderorgan auch an entsprechenden, unabhängig voneinander förderbaren Förderelementen angeordnet sein, wobei dann die strichpunktierte Linie 91 der Figur 6 als Schiene für die Förderelemente und die Umlenkung beispielsweise als Taktrad zu verstehen sind. Dabei sind die Greifer 90 in derselben Weise von den Förderelementen ausladend angeordnet, wie dies für ein entsprechendes Förderorgan der Fall ist.Instead of being arranged on a conveyor element, the grippers 90 can also be arranged on corresponding conveyor elements which can be conveyed independently of one another, the dash-dotted line 91 in FIG. 6 then being understood as a rail for the conveyor elements and the deflection, for example as a cycle wheel. In this case, the grippers 90 are arranged in a projecting manner from the conveying elements, as is the case for a corresponding conveying element.
Für die Anpassung der Einrichtung gemäss Figur 6 an verschiedene Objektlängen 1 ist die Ausladung der Greifer und/oder die Umlenkungsgeometrie (Umlenkungsradi- us, Umlenkungswinkel) einstellbar einzurichten.To adapt the device according to FIG. 6 to different object lengths 1, the reach of the grippers and / or the deflection geometry (deflection radius, deflection angle) must be set up in an adjustable manner.
Figur 6 zeigt, dass es mit der gezeigten Zuführung, Vereinzelung und Positionierung möglich wird, die Einrichtung noch kompakter zu gestalten, als gemäss Figuren 1 bis 5, insbesondere dann, wenn anstelle der Umlegung der Veφackungsmaterial-Bahn 2 von oben eine weitere solche Bahn 2' ab einer weiteren Vorratsrolle 61 ' zugeführt wird. Dabei kann eine die zusätzliche Veφackungsmaterial-Bahn in die Bahnrichtung umlenkende Umlenkrolle gleichzeitig als Positionierungs-Hilfsmittel 55 funk- tionieren.FIG. 6 shows that the feed, separation and positioning shown make it possible to make the device even more compact than according to FIGS. 1 to 5, in particular if, instead of the packaging material web 2 being folded over, another such web 2 from above 'is fed from a further supply roll 61'. A deflecting roller deflecting the additional packaging material web in the web direction can simultaneously function as a positioning aid 55.
Figur 7 zeigt eine weitere Ausführungsform der Vereinzelung von zu veφackenden, flachen Objekten 1 und deren Positionierung, wobei in diesem Falle die Veφak- kungsmaterial-Bahn 2 im Wirkungsbereich des Beschleunigungsmittels 51 von oben in die Bahnrichtung umgelenkt und die Objekte 1 unter der Veφackungsmaterial- Bahn 2, das heisst zwischen der Veφackungsmaterial-Bahn 2 und dem Stützförderer 65 positioniert werden. Auch in diesem Falle kann ein Positionierungs-Hilfsmittel 55 eingesetzt werden. Das Umlegen der über der Reihe 4 angeordneten Veφackungsmaterial-Bahn 2 um die Reihe 4 ist aus dem Stande der Technik bekannt und wird aus diesem Grund hier nicht weiter beschrieben. FIG. 7 shows a further embodiment of the separation of flat objects 1 to be packed and their positioning, in which case the packaging material web 2 in the effective range of the acceleration means 51 from above deflected in the web direction and the objects 1 are positioned under the packaging material web 2, that is to say between the packaging material web 2 and the support conveyor 65. A positioning aid 55 can also be used in this case. The folding of the packaging material web 2 arranged above the row 4 around the row 4 is known from the prior art and for this reason is not described further here.

Claims

PATENTANSPRÜCHE
1. Verfahren zur Veφackung von flachen Objekten (1), wobei die flachen Objekte (1) in einer Reihe (4) hintereinander und voneinander beabstandet auf oder unter einer quasi endlosen Veφackungsmaterial-Bahn (2) in einer Bahn- richtung gefördert werden, wobei die Veφackungsmaterial-Bahn (2) um die Reihe (4) gelegt oder eine weitere Veφackungsmaterial-Bahn (2') auf oder unter die Reihe (4) gelegt wird und wobei an der derart von Veφackungsmaterial beidseitig bedeckt geförderten Reihe (4) mindestens eine Längsnaht und je zwischen zwei in der Reihe (4) aufeinanderfolgenden Objekten (1) Quernähte erstellt werden, wodurch die flachen Objekte (1) allseitig vom Veφackungsmaterial umschlossen werden, dadurch gekennzeichnet, dass die Objekte (1) in einem Zuführungsstrom (3) zugeführt werden, in dem die Objektabstände (d) kleiner sind als die Längen (1) in Bahnrichtung der in der Reihe (4) geförderten Objekte (1), und dass die Objekte (1) nacheinander von einem Kopfende des Zuführungsstromes (3) durch Beschleunigung vereinzelt und nacheinander direkt auf oder unter der Veφackungsmaterial-Bahn (2) positioniert werden, derart, dass die Reihe (4) direkt auf oder unter der Veφackungsmaterial-Bahn (2) erstellt wird.1. A method for packaging flat objects (1), the flat objects (1) being conveyed in a row (4) one behind the other and at a distance from one another on or below a quasi-endless packaging material web (2) in one web direction, whereby the packaging material web (2) is placed around the row (4) or a further packaging material web (2 ') is placed on or below the row (4), and at least one row is conveyed on the row (4) thus covered by packaging material Longitudinal seam and between two in the row (4) successive objects (1) cross seams are created, whereby the flat objects (1) are enclosed on all sides by the packaging material, characterized in that the objects (1) are fed in a feed stream (3) , in which the object distances (d) are smaller than the lengths (1) in the path direction of the objects (1) conveyed in the row (4), and in that the objects (1) successively from a head end of the feeder gsstromes (3) are separated by acceleration and successively positioned directly on or under the packaging material web (2), such that the row (4) is created directly on or under the packaging material web (2).
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Zuführungs- ström (3) ein im wesentlichen in der Bahnrichtung zugeführter Schuppenstrom ist, in dem die Objekte einander überlappend auf einer Förderfläche (30) aufliegend zugeführt werden, dass die Objekte (1) für die Vereinzelung in der Bahnrichtung beschleunigt werden, dass die Veφackungsmaterial-Bahn (2) von unten in den Bereich der Vereinzelung zugeführt und in die Bahnrichtung umgelenkt wird und dass die Objekte (1) auf die umgelenkte Verpackungsmaterial-Bahn (2) aufgeschoben werden. 2. The method according to claim 1, characterized in that the feed stream (3) is a shed stream fed essentially in the web direction, in which the objects are fed overlapping one another on a conveying surface (30) such that the objects (1) for the separation in the web direction, the packaging material web (2) is accelerated from below into the area of the separation and deflected in the web direction and that the objects (1) are pushed onto the deflected packaging material web (2).
Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Zuführungsstrom (3) ein im wesentlichen in der Bahnrichtung zugeführter Schuppenstrom ist, in dem die Objekte einander überlappend auf einer Förderfläche (30) aufliegend zugeführt werden, dass die Objekte (1) für die Vereinzelung in der Bahnrichtung beschleunigt werden, dass die Veφackungsmaterial-Bahn (2) von oben in den Bereich der Vereinzelung zugeführt und in die Bahnrichtung umgelenkt wird und dass die Objekte (1) zwischen die umgelenkte Verpak- kungsmaterial-Bahn (2) und einen Stützförderer (65) geschoben werden. A method according to claim 1, characterized in that the feed stream (3) is a shed stream fed essentially in the web direction, in which the objects are fed lying overlapping one another on a conveying surface (30) such that the objects (1) for the separation in the web direction is accelerated, that the packaging material web (2) is fed from above into the area of the separation and deflected in the web direction and that the objects (1) between the deflected packaging material web (2) and a support conveyor (65 ) are pushed.
4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Zuführungs- ström (3) ein Greif erstrom ist, in dem die Objekte (1) von je einem Greifer (90) gehalten, einander überlappend und von oben gegen die Veφackungsmaterial- Bahn (2) zugeführt werden, dass der Greiferstrom über der sich in Bahnrichtung bewegenden Veφackungsmaterial-Bahn (2) umgelenkt und dadurch die Objekte (1) beschleunigt werden und dass die Objekte (1) in der Umlenkung durch Öffnen der Greifer (90) auf der Veφackungsmaterial-Bahn (2) abgelegt werden.4. The method according to claim 1, characterized in that the feed stream (3) is a gripper current in which the objects (1) are each held by a gripper (90), overlapping one another and from above against the packaging material web ( 2) are supplied such that the gripper flow is deflected over the packaging material web (2) moving in the web direction and thereby the objects (1) are accelerated and that the objects (1) in the deflection by opening the grippers (90) on the packaging material -Bahn (2) are stored.
5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass jedes flache Objekt (1) je ein Druckprodukt ist oder eine stapeiförmige Anordnung einer Mehrzahl von flachen Gegenständen, von denen mindestens ein Teil Druckprodukte sind.5. The method according to any one of claims 1 to 4, characterized in that each flat object (1) is a printed product or a stacked arrangement of a plurality of flat objects, at least some of which are printed products.
Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die stapeiförmigen Anordnungen im Zuführungsstrom (3) einander überlappend angeordnet sind oder dass der Zuführungsstrom (3) aus einer Mehrzahl von aufeinandergelegten Schuppenströmen besteht. A method according to claim 5, characterized in that the stack-like arrangements in the feed stream (3) are arranged to overlap each other or that the feed stream (3) consists of a plurality of superimposed scale streams.
. Einrichtung zur Veφackung von flachen Objekten (1) mit Hilfe einer quasi endlosen Veφackungsmaterial-Bahn (2), welche Einrichtung eine erste Vorrichtung (5) zur Erstellung einer Reihe (4) von Objekten (1) aufweist, in welcher Reihe die Objekte hintereinander und voneinander beabstandet angeordnet sind, sowie eine zweite Vorrichtung (6) zur Zuführung der Veφackungsmaterial-Bahn (2) und zum Fördern der Veφackungsmaterial-Bahn (2) zusammen mit der Reihe (4) in einer Bahnrichtung, eine dritte Vorrichtung (7) zum Umlegen der Veφackungsmaterial-Bahn (2) um die Reihe (4) oder zur Zuführung einer weiteren Veφackungsmaterial-Bahn (2') und eine vierte Vorrichtung (8) zur Nahterstellung und gegebenenfalls zur Trennung der verpackten Objekte (1') voneinander, dadurch gekennzeichnet, dass der ersten Vorrichtung (5) ein Zuführungsmittel vorgeschaltet ist, mit dem ein Zuführungsstrom (3) zuführbar ist, in dem die Objektabstände (d) kleiner sind als die Objektlängen (1) in Bahnrichtung, dass die erste Vorrichtung (5) ein Beschleunigungsmitte] (51) aufweist, wobei das Beschleunigungsmittel (51) für eine Beschleunigung des je vordersten Objektes des Zuführungsstroms (3) ausgerüstet und angeordnet ist und dass das Beschleunigungsmittel (51) ferner für die direkte Positionierung jedes beschleunigten Objektes (1) auf oder unter der Veφackungsmaterial- Bahn (2) ausgerüstet und angeordnet ist., Device for packaging flat objects (1) with the aid of a quasi-endless packaging material web (2), which device has a first device (5) for creating a row (4) of objects (1), in which row the objects one behind the other and are arranged spaced from each other, and a second device (6) for feeding the packaging material web (2) and for conveying the packaging material web (2) together with the row (4) in a web direction, a third device (7) for folding the packaging material web (2) around the row (4) or for feeding a further packaging material web (2 ') and a fourth device (8) for creating seams and optionally for separating the packaged objects (1') from one another, characterized in that that the first device (5) is preceded by a feed means with which a feed stream (3) can be fed in which the object distances (d) are smaller than the object lengths (1) in the web direction, that the first device (5) has an acceleration center] (51), the acceleration means (51) being equipped and arranged for accelerating the foremost object of the feed stream (3) and that the acceleration means (51) furthermore for the direct positioning of each accelerated object (1) is equipped and arranged on or under the packaging material web (2).
8. Einrichtung nach Anspruch 7, dadurch gekennzeichnet, dass für die Stützung der Veφackungsmaterial-Bahn (2) und der darauf oder darunter positionierten Objekte (1) ein Stützförderer (65) und/oder eine Stützunterlage (66) vorgesehen ist.8. Device according to claim 7, characterized in that a support conveyor (65) and / or a support pad (66) is provided for supporting the packaging material web (2) and the objects (1) positioned thereon or below it.
9. Einrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass das Zu- führungsmittel eine im wesentlichen in der Bahnrichtung ausgerichtete Förderfläche (30) für die Zuführung eines Schuppenstromes ist, dass das Beschleunigungsmittel (51) für eine Beschleunigung der Objekte in der Bahnrichtung ausgerüstet ist und dass die zweite Vorrichtung (6) ein Umlenkmittel (64) aufweist, das für eine Umlenkung der Veφackungsmaterial-Bahn (2) von unten oder von oben in die Bahnrichtung ausgerüstet und stromabwärts unmittelbar auf das Beschleunigungsmittel (51) folgend angeordnet ist.9. Device according to claim 7 or 8, characterized in that the supply means is a conveying surface (30) oriented essentially in the web direction for the supply of a shingled stream, that the acceleration means (51) for accelerating the objects in the web direction is equipped and that the second device (6) has a deflection means (64) which is equipped for deflecting the packaging material web (2) from below or from above in the direction of the web and is arranged downstream immediately following the acceleration means (51).
10. Einrichtung nach Anspruch 9, dadurch gekennzeichnet, dass das Beschleunigungsmittel (51) ein Paar einer oberen und einer unteren Beschleunigungsrolle (51.1, 51.2) oder eines oberen und eines unteren Beschleunigungsbandes oder eines oberen und eines unteren Nockenrades ist, wobei die Beschleunigungsrollen oder -bänder oder die Nockenräder gegeneinander pressbar sind und mindestens eine der Beschleunigungsrollen oder -bänder oder eines der Nokkenräder antreibbar ist.10. The device according to claim 9, characterized in that the acceleration means (51) is a pair of an upper and a lower acceleration roller (51.1, 51.2) or an upper and a lower acceleration band or an upper and a lower cam wheel, wherein the acceleration rollers or - Bands or the cam wheels can be pressed against each other and at least one of the acceleration rollers or belts or one of the cam wheels can be driven.
11. Einrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Beschleunigungsrollen (51.1, 51.2) oder Beschleunigungsbänder oder Nockenräder aus einer Mehrzahl von koaxial angeordneten und quer zur Bahnrichtung ver- schiebbaren Teilrollen oder Teilbändern oder Teilnockenrädern bestehen.11. The device according to claim 10, characterized in that the acceleration rollers (51.1, 51.2) or acceleration belts or cam wheels consist of a plurality of coaxially arranged and displaceable transverse to the web direction partial rollers or partial belts or partial cam wheels.
12. Einrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass das Zuführungsmittel ein Greiferförderer mit an einem Förderorgan (91) oder an voneinander unabhängig förderbaren Förderelementen angeordneten Greifern (90) ist, dass das Beschleunigungsmittel (51) eine Umlenkung des Greiferförderers ist, wobei jeder Greifer für die gehaltene Förderung von je einem Objekt (1) ausgerüstet ist und wobei der Greiferförderer von oben gegen die sich in Bahnrichtung bewegende Veφackungsmaterial-Bahn (2) führend und die Umlenkung über der Veφackungsmaterial-Bahn (2) angeordnet ist und dass im Bereich der Umlenkung ein Steuermittel vorgesehen ist, das für die serielle Öff- nung der Greifer (90) ausgerüstet ist. 12. Device according to claim 7 or 8, characterized in that the feed means is a gripper conveyor with grippers (90) arranged on a conveying member (91) or on conveying elements which can be conveyed independently of one another, that the acceleration means (51) is a deflection of the gripper conveyor, wherein each gripper is equipped for the conveyance of one object (1) each and the gripper conveyor leads from above against the packaging material web (2) moving in the direction of the web and the deflection is arranged above the packaging material web (2) and that in In the region of the deflection, a control means is provided which is equipped for the serial opening of the grippers (90).
13. Einrichtung nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass die erste Vorrichtung (5) ferner ein Positionierungs-Hilfsmittel (55) aufweist, das angeordnet und ausgerüstet ist, um jedes auf oder unter der Verpak- kungsmaterial-Bahn (2) positionierte Objekt (1) gegen diese zu drücken.13. Device according to one of claims 7 to 12, characterized in that the first device (5) further comprises a positioning aid (55) which is arranged and equipped to each on or under the packaging material web (2nd ) to position the positioned object (1) against it.
14. Einrichtung nach Anspruch 13, dadurch gekennzeichnet, dass das Positionierungs-Hilfsmittel (55) eine an einem schwenkbaren Hebel (55.2) angeordnete Hilfsrolle (55.1) ist, die auf der Veφackungsmaterial-Bahn (2) bzw. auf den darauf positionierten Objekten (1) abrollend und mindestens mit ihrem Gewicht gegen diese drückend angeordnet ist, wobei die Hilfsrolle (55.1) frei drehbar oder mit derselben Geschwindigkeit angetrieben ist wie die Verpak- kungsmaterial-Bahn (2).14. Device according to claim 13, characterized in that the positioning aid (55) is an auxiliary roller (55.1) which is arranged on a pivotable lever (55.2) and which is located on the packaging material web (2) or on the objects positioned thereon ( 1) unrolling and at least with its weight pressed against it, the auxiliary roller (55.1) being freely rotatable or driven at the same speed as the packaging material web (2).
15. Einrichtung nach Anspruch 13, dadurch gekennzeichnet, dass das Positionierungs-Hilfsmittel (55) ein Hilfsbandband (55.3) ist, das mit derselben Geschwindigkeit angetrieben ist wie die Veφackungsmaterial-Bahn (2) und von oben auf die Veφackungsmaterial-Bahn (2) bzw. auf die darauf positionierten Objekte wirkend angeordnet ist.15. Device according to claim 13, characterized in that the positioning aid (55) is an auxiliary belt (55.3) which is driven at the same speed as the packaging material web (2) and from above onto the packaging material web (2). or is arranged to act on the objects positioned thereon.
16. Einrichtung nach Anspruch 13, dadurch gekennzeichnet, dass- das Positionierungs-Hilfsmittel (55) ein Nockenförderer (55.4) mit Nocken (55.5) ist, wobei der Nockenförderer (55.4) derart angeordnet und antreibbar ist, dass die Nok- ken (55.5) von oben auf vorlaufende Kanten der auf der Veφackungsmaterial- Bahn (2) positionierten Objekte (1) wirkend angeordnet ist.16. The device according to claim 13, characterized in that the positioning aid (55) is a cam conveyor (55.4) with cams (55.5), the cam conveyor (55.4) being arranged and drivable such that the cam (55.5 ) is arranged from above on leading edges of the objects (1) positioned on the packaging material web (2).
17. Einrichtung nach einem der Ansprüche 14 bis 16, dadurch gekennzeichnet, dass die Hilfsrollerolle (55.1), das Hilfsband (55.3) oder die Nocken (55.5) als je eine Mehrzahl von quer zur Bahnrichtung verschiebbaren Teilrollen, Teilbändern oder Teilnocken ausgestaltet sind. 17. Device according to one of claims 14 to 16, characterized in that the auxiliary roller (55.1), the auxiliary belt (55.3) or the cams (55.5) as a plurality of partial rollers, partial belts or partial cams which are displaceable transversely to the web direction are configured.
EP05737457A 2004-06-02 2005-05-19 METHOD AND DEVICE for PACKAGING FLAT OBJECTS Not-in-force EP1751002B1 (en)

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DK08002613.1T DK1914165T3 (en) 2004-06-02 2005-05-19 Method and plant for forming a series of flat objects

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CA2568517A1 (en) 2005-12-15
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DE502005003209D1 (en) 2008-04-24
AU2005249619B2 (en) 2010-11-18
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EP1751002B1 (en) 2008-03-12
ATE388892T1 (en) 2008-03-15
RU2390481C2 (en) 2010-05-27
EP1914165B1 (en) 2010-05-12
JP4814225B2 (en) 2011-11-16
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US7877965B2 (en) 2011-02-01
EP1914165A1 (en) 2008-04-23
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JP2008501581A (en) 2008-01-24
AU2005249619A1 (en) 2005-12-15

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