EP1426294B1 - Procédé et appareil pour emballer des articles plats - Google Patents

Procédé et appareil pour emballer des articles plats Download PDF

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Publication number
EP1426294B1
EP1426294B1 EP03405794A EP03405794A EP1426294B1 EP 1426294 B1 EP1426294 B1 EP 1426294B1 EP 03405794 A EP03405794 A EP 03405794A EP 03405794 A EP03405794 A EP 03405794A EP 1426294 B1 EP1426294 B1 EP 1426294B1
Authority
EP
European Patent Office
Prior art keywords
bags
conveying
packaging material
objects
packaged
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.)
Expired - Fee Related
Application number
EP03405794A
Other languages
German (de)
English (en)
Other versions
EP1426294A1 (fr
Inventor
Walter Reist
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
Publication of EP1426294A1 publication Critical patent/EP1426294A1/fr
Application granted granted Critical
Publication of EP1426294B1 publication Critical patent/EP1426294B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like 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
    • B65B25/14—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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/04—Forming flat bags from 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
    • B65B5/022—Machines characterised by incorporation of means for making the containers or receptacles for making bags
    • 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions

Definitions

  • the invention is in the field of packaging technology and relates to a method and a device according to the preambles of the corresponding independent claims.
  • Method and apparatus are used for packaging flat objects by means of a packaging material, which is fed as a quasi-endless web.
  • the packaging material is in particular a weldable plastic film from roll.
  • a well-known, continuous process for packaging individual printed products or small groups of printed products by means of plastic film from roll is to lead a flow in which the products to be packaged substantially parallel to the conveying direction aligned behind and spaced from each other to lead between two film webs or to merge with a film web and to put this around the products of the flow. Then, the film webs or the film web are welded parallel to the conveying direction and also welded and cut in the distances between the products transverse to the conveying direction.
  • Such a method and a corresponding device are described for example in the publication EP-1188670 (F533).
  • Publication DE-3838985 (MAN) describes in more detail a corresponding apparatus for batchwise operation.
  • a plastic film is stretched from a roll zigzag, whereby a predetermined number of open on three sides, V-shaped pockets is formed in which to be packaged printed products are positioned.
  • the bags are then separated from each other to close the products positioned therein, welded to the open three sides, and released from the device. Only then is a given number of pockets formed again and the procedure repeated.
  • a substantially identical subdevice is provided and all subdevices are actuated simultaneously.
  • the object of the invention to provide a method and a device with which flat objects can be packed using a supplied as quasi endless web packaging material, in particular by means of a weldable plastic film, the articles are continuously conveyed during packaging and are aligned substantially transversely to the conveying direction.
  • the method and device should be as simple as possible and should allow easy adaptation of the packaging to be created to different formats of the objects to be packaged.
  • the inventive method consists essentially of forming the quasi-endless packaging material into a strand of open on three sides and one side closed, substantially V-shaped pockets (zigzag manner), the pockets conveyed in a conveying direction and during their Feed each with a flat object or a small group of flat objects and separated from each other and then closed with substantially three seams.
  • the closed pocket side opposite, open side or the middle of creating three seams of each bag in all process steps has an independent of the format of the items to be packaged position.
  • the adaptation to the format of the objects to be packaged is realized on the one hand by the creation of correspondingly deeper or less deep pockets and on the other hand by the use of correspondingly wider or less wide packaging material and a corresponding adjustment of the position of at least one of the lateral seams. If necessary, it is possible to dispense with one or the other of the setting options.
  • the pockets at least for a feed which is based at least partially on the gravity of the objects, and advantageously until their closure with the closed pocket side opposite open side promoted against the top and advantageously fixed only in the region of this middle open side, Adjusting the pocket depth affects only the step of forming the pockets. All steps following the shaping of the pockets thus remain independent of this pocket depth.
  • the device according to the invention comprises, in addition to means for feeding and discharging the articles and for supplying the packaging material, the following further means: means for forming a string of three-sided open pockets from the packaging material, means for conveying the pockets in a conveying direction , a means for severing the pockets and a means for closing the three open pocket sides by making corresponding seams.
  • the means for forming the pocket string is equipped for pocket depth adjustment and / or the means for closing is equipped to adjust the distance between the two side seams. All other means can be realized without adaptability to the format of the items to be packaged.
  • the means for conveying the pockets advantageously has fixing means, with the aid of which each pocket in the region of its closed side opposite, open side or the corresponding seam is fixed, at least for the supply of the object to be packaged in the pocket, for the separation of Bag from the bag string and to the closure of the bag.
  • the means for conveying further advantageously comprises a plurality of circulating conveyor compartments, in which the pockets are positioned at least for the closure, preferably for all method steps.
  • a preferred embodiment of the device according to the invention is based on a drum rotating about a substantially horizontal axis with radial conveying compartments, wherein the packaging material for forming the pocket strand in FIG the conveyor compartments is retracted and the conveyor compartments or the pockets formed therein are then charged with items to be packaged.
  • the conveyor compartments are aligned in the loading such that the open pocket sides opposite the closed pocket sides are directed upwards and the articles are introduced into the pockets from above, it is sufficient to only supply the pockets in the area of these upper sides in the conveyor compartments fix, where an adjustment of the pocket depth on these fixatives has no effect. Due to the gravity of the objects of the lower pocket part is held without fixing in a defined position.
  • All conveyor compartments further comprise relatively movable closing elements, which are equipped for the preparation of the seams and all together to different widths of the objects to be packaged or to different widths of the supplied web of packaging material adaptable, that is transversely to the conveying direction or parallel to Drum axis are displaced.
  • FIG. 1 shows the preferred embodiment of the device according to the invention already mentioned above, which has a drum with conveyor compartments, the conveyor compartments serving all method steps.
  • the drum 1 can be driven to rotate about the essentially horizontal drum axis A and has conveying compartments 3 formed by compartment elements 2.
  • Conveyor compartments 3 are introduced in a substantially known manner, eg by means of a staple conveyor (means 5 for feeding the articles to be packed), articles 4 in an upper drum position such that the objects are driven as deeply as possible into the conveyor compartments 3 by gravity ,
  • the means 6 for feeding the quasi-endless packaging material 7 and subsequently the means 8 for drawing the Verpakkungsmaterials 7 are arranged in the conveyor compartments 3.
  • the device further comprises a release agent 10, which is arranged between the retraction means 8 and the removal means 9 (before or after the supply of the objects to be packaged).
  • the means 6 for feeding the quasi-endless packaging material 7 has, for example, a supply roll 6.1, from which the packaging material (not shown) via suitable guide means is guided against the drum circumference.
  • the means 8 for drawing the packaging material 7 into the conveyor compartments 3 is arranged at the periphery of the drum and has a plurality of hingedly arranged on a circulating organ 8.1 Einziehgliedern 8.2.
  • the rotating member 8.1 is driven in synchronism with the drum rotation and the Einziehglieder 8.2 in a guide (dash-dotted line 8.3) performed such that immersed in each of the pulling-in means 8 passing conveyor compartments 3, the distal end of a Einziehgliedes 8.2 and the packaging material 7 thereby in the conveying compartment 3, so that it forms a pocket 7 '.
  • the distance between the circulating organ 8.1 and the distal end of the Einziehglieder 8.2 is adjustable for adjusting the Einziehiefe.
  • the packaging material 7 can easily slide over the distal ends of the Einziehglieder 8.2, they are advantageously as a freely rotating Rolls 8.4 designed.
  • the rollers 8.4 extend with a length corresponding to at least the greatest width of packaging material to be processed, parallel to the drum axis A and are for example mounted on both sides of adjustable in length pivoting levers 8.5.
  • the revolving member 8.1 consists for example of two coaxial, jointly driven wheels or a pair of corresponding circulating chains, wherein each one pivot lever 8.5 each Einziehgliedes 8.2 is connected to one of the wheels or one of the chains.
  • the packaging material 7 can be easily fed from the Einziehgliedern 8.2 in the conveyor compartments 3, the distal ends of the compartment elements 2, over which the packaging material 7 is pulled as over the distal ends of the Einziehglieder 8.2, advantageously also equipped with freely rotatable rollers 2.1 or at least with a curved surface over which the packaging material 7 can slide without substantial friction.
  • the removal means 9 has a removal conveyor, for example in the form of a conveyor belt and is advantageously arranged in the lower half of the drum circumference, so that the packaged objects 4 'can be removed by gravity from the conveyor compartments 3.
  • the separating means 10 which is arranged in the direction of the drum rotation between the drawing-in means 8 and the means 5 for feeding the objects to be packaged or immediately after, serves to sever the packaging material 7, where it extends beyond the distal end of each dividing element 2 extends, which are separated from the bag string individual pockets 7 '.
  • the separating means 10 has for example a parallel to the drum axis A extending, synchronized with the drum rotation driven separating roller 10.1 with regularly distributed over its circumference, axially extending blades or heating wires 10.2, the axis of the separating roller 10.1 being arranged such that the blades or heating wires 10.2 are capable of separating the packaging material 7 extending over the distal ends of the compartment elements 2.
  • a separating means 10 arranged outside the drum 1, as shown in FIG. 1, is only advantageous if the separation of the packaging material can be carried out in a very short time.
  • the distal ends of the partition elements 2 are advantageously each equipped with a separating element, for example with axially moving cutting elements.
  • All conveyor compartments 3 are further equipped with controllable fixing elements, which are not shown in the figure 1, and with controllable closing elements, which are shown only very schematically in Figure 1.
  • the fixing elements are controlled so that their bags 7 'in the conveying compartments fixing effect begins when the Einziehglied 8.2 has reached its lowest position in the relevant conveyor compartment 3 and earliest then stops when the bag 7' held by the closing elements in the conveyor compartment becomes.
  • the fixing elements act in the region of the opening of the conveyor compartments 3 or the distal ends of the compartment elements 2 (advantageously only in this area). The function of an exemplary embodiment of fixing elements will be described in connection with FIGS. 4 and 5.
  • the closing elements are arranged movable relative to each other between an open and a closed position in the conveyor compartments 3 and are controlled so that they are moved to the closed position when a conveying compartment 3 is loaded with an article 4 and the pocket 7 'positioned therein is separated from the bag string, and that they are moved back to the open position at the latest when the packaged article 4' is to be removed from the conveying compartment. Due to the action of the closing elements, the pocket 7 'positioned in a conveyor compartment 3 is closed around the object positioned in the pocket, at least in the region of the opening of the conveyor compartment, but advantageously on all three open sides.
  • the two pocket parts are pressed against each other in addition to the object, wherein the pressing points at the same time, for example heat or ultrasonic energy is supplied for welding the Verpakkungsmaterials or wherein the pressing points for embossing by embossing corresponding embossing pattern.
  • the closing of the pocket side which is axially aligned in the conveyor compartment, is performed in a height independent of the format in the conveyor compartments.
  • the closing of the lateral, open pocket sides, which are radially aligned in the conveyor compartments is adapted to the width of the article to be packaged or the packaging material used by axial displacement of at least a portion of the closing elements. Two exemplary embodiments of closing elements and their adjustment for different widths of articles or of packaging material are described in connection with FIGS. 4 to 7.
  • FIG. 1 it can be clearly seen from FIG. 1 that when the objects to be packaged are supplied in the region of the upper vertex of the processing drum and a supply of the packaging material immediately before, a large part of the drum circumference is available for the closing of the pockets. It would be readily possible to move the means 9 for the removal of the packaged objects on the left side in the figure of the drum and thereby gaining a quarter of the drum revolution for the closure of the pockets. Since in many cases the closing step is the step determining the cycle time of the package, this means that a processing drum used for the process can operate with a relatively small number of conveyor compartments and / or can be operated at a relatively high speed.
  • FIG. 2 shows another exemplary embodiment of the inventive device in which a drum 1 with conveyor compartments 3 only the step of closing the pockets 7 'is used, the formation and loading of the pockets is thus carried out at least partially outside the conveyor compartments.
  • the same functional elements are denoted by the same reference numbers as in FIG. 1.
  • the conveying compartments 3 of the drum 1 are reduced to closing elements pivotable relative to each other, the means 9 for conveying away the packaged objects is designed as a gripper conveyor.
  • a circulation system is provided with alternately equipped for guiding the packaging material 7 from opposite sides guides 8.7 and 8.8.
  • the function of the guides 8.7 corresponds substantially to the function of the rollers 2.1 in Figure 1, the function of the guides 8.8 the function of Einziehglieder 8.2 of Figure 1.
  • the bag string from the packaging material 7 is formed independently of the drum 1, characterized in that the alternating Guides 8.7 and 8.8 are displaced relative to one another together with the packaging material transversely to the direction of rotation, wherein the extent of this relative displacement is adjustable for an adapted to the format of the objects to be packed pocket depth.
  • the defined by circulation and displacement orbit of the guides 8.7 remains independent of format.
  • the guides 8.7 and 8.8 have reached their maximum displaced positions and the pockets 7 'thus formed are aligned substantially upwardly with their open side opposite the open side, the guides 8.7 are brought into a fixing configuration and the guides 8.8 are removed, so that the articles 4 can be inserted into the pockets 7 '.
  • the loaded pockets 7 ' are still guided by the guides 8.7 and fixed in the conveyor compartments 3 of the drum 1 and closed by means of arranged in these conveyor compartments closing elements.
  • the guides 8.7 can be moved away.
  • the separation of the bag cord to individual pockets is also here before or after the feed, the release agent 10 advantageously not as in Figure 1 with the Abteilettin the processing drum but with the guides 8.7 cooperates.
  • the guides 8.7 and 8.8 are formed, for example, as freely rotating rollers or roller groups, wherein the rollers of the guides 8.8, for example, retracted or pivoted laterally over the packaging material and wherein for the guides 8.7, for example, roller pairs arranged therebetween, controlled activatable fixatives (eg extendable needle rows) and optionally equipped with a cooperating with the release agent element (see Figure 5).
  • controlled activatable fixatives eg extendable needle rows
  • FIG. 3 shows a further drum 1, which can be used in the device according to FIG. While according to Figure 2, the objects 4 are placed in the spanned by the guides 8.7 and 8.8 pockets 7 ', they are given according to Figure 3 between the closing elements of the conveyor compartments 3.
  • the means 10 for severing the pockets cooperates here with the closing elements.
  • FIG. 4 shows, in a very schematic manner, an exemplary embodiment of a conveying compartment 3 of the drum according to FIG. 1 (viewing direction parallel to the drum axis).
  • the opening of the conveyor compartment 3 on the drum periphery is defined by two rollers 2.1, which are for example arranged between two arranged on the end faces of the drum, rotationally driven drive rings 20 and which form the distal ends of the compartment elements.
  • Divide the rotating with the drive rings 20 and the rollers 2.1 compartment elements are mounted in each conveying compartment 3 two mutually pivotable and by means not shown in a mutually pressed position durable closing elements 21.1 and 21.2, at its distal end with axially extending fixing elements 22, for example Needle rows are equipped.
  • the closing elements 21.1 and 21.2 are shown in three positions: in a fixing, open position, in which they fix the packaging material and are open for insertion of the article to be packaged (drawn out and designated 21.1 and 21.2), in an inactive open position, in which they do not fix the packaging material, thus allowing its insertion into the conveying compartment (dash-dotted and designated 21.1 'and 21.2'), and in a fixing and closed position (dash-dotted and designated 21.1 "and 21.2") in which they against each other pressed.
  • closing elements 21.1 and 21.2 for example, a pair of articulated with each other and hingedly connected to the distal ends of the closing elements or with the fixing elements control levers 23, wherein the spreading of the control lever 23 and the relative position of the closing elements 21.1 and 21.2 means Control roller 24 and correspondingly arranged, fixed backdrop (indicated by line 25) is controlled.
  • the three positions of the closing elements 21.1 and 21.2 are as close to each other as possible.
  • the closing elements 21.1 and 21.2 have in particular the task of the packaging material 7, which is arranged on both sides of the object to be packaged to close the article, wherein the packaging material remains fixed during this closing by the fixing elements 22.
  • the closing elements are thus equipped for the closure of a weldable packaging material with an axial and two radial welding jaws, which compress and weld in addition to the object to be packaged protruding packaging material.
  • the radial welding jaws are axially displaceable relative to each other to adapt to the width of the objects to be packaged.
  • An exemplary embodiment Such displaceable welding bar will be described in connection with FIG. It is also possible to design only one of the closing means with displaceable welding jaws and the other as counter-surface, which is wide enough for all sliding positions of the welding jaws.
  • the function of the conveying compartment according to FIG. 4 is the following: In the area of the supply of the packaging material, the closing elements are in their inactive, open position 21.1 'and 21.2'. Once the packaging material is retracted, they are pivoted into their fixing, open position 21.1 and 21.2. After loading with the article to be packaged and the separation of the packaging material (release agent 10), they are brought into their fixing and closed position 21.1 "and 21.2", so that the closing process can be performed by activating the welding bars.
  • FIG. 4 clearly shows that no measures are necessary for the adaptation of the pocket depth in the area of the conveying compartment 3.
  • FIG. 5 shows in a same schematic manner as FIG. 4 a conveying compartment 3 of the drum according to FIG. 2, which cooperates with guides 8.
  • the guides 8.7 each have a pair of rollers 26 and a between the rollers 26 arranged fixing 27 (eg rows of needles), which has a separating region between two fixing areas (counter bearing for release agent 10).
  • the components of the guides 8.7 are connected in a manner not shown in such a way that the fixing member 27 relative to the rollers 26 in an active (upper) and a passive (lower) position is displaced.
  • the guides 8.7 are displaceable in a manner also not shown along an orbit so that they are synchronously moved during a portion of their orbit with the conveyor compartments 3 and form the distal ends of compartment members.
  • FIG. 3 From the conveying compartment 3, only the closing elements 21.1 and 21.2 are shown in FIG. 3, of which the one 21.2 occupies an unchanged position relative to the guide 8.7, ie, for example represents a part of the Abteilimplantations and the other 21.1 is pivotable in an open and a closed, the element 21.2 adjacent position.
  • the control of the closing elements 21.1 and 21.2 shown in FIG. 4 can be used in an analogous manner.
  • the guide 8.7 shown in FIG. 5 can also be used instead of the roller 2.1 in a device according to FIG. 1, as a result of which fixing elements on the closing elements are unnecessary.
  • Figures 6 and 7 show somewhat more in detail further exemplary embodiments of conveyor compartments 3 of the drum according to Figure 1.
  • Figure 6 shows a group of adjacent conveyor compartments 3 in a section perpendicular to the drum axis and illustrates in particular the function of the elements of the conveyor compartments.
  • FIG. 7 shows an identical conveying compartment 3 in a section parallel to the drum axis and in particular illustrates the axial adjustability of the closing elements.
  • Functionally identical parts are designated by the same reference numerals as in the preceding figures.
  • the conveyor compartments according to FIGS. 6 and 7 differ from the conveyor compartment according to FIG. 4 in that one of the closing elements (21.2) remains stationary relative to the rollers 2.1 and the other (21.1) is correspondingly pivotable. It can also be seen how the closing elements 21.1 and 21.2 are provided with axially projecting axial welding bars 30 and radial welding bars 31 but also have central areas 32 which support the object 4 to be packed.
  • the stationary closing element 21.2 has, on its side directed against the adjacent conveying compartment 3, an indentation 34, into which the pivotable closing element 21.1 of this adjacent conveying compartment can be lowered in its open position.
  • Fixing elements 22 are on both sides at the distal end of the stationary Closing element 21.2 and provided at the distal end of the pivotable closing element 21.1, said fixing elements 22 can be brought into an active and a passive position. These are, for example, displaceable rows of needles.
  • the pivotable closing elements 21.1 are advantageously sprung at the base of the conveyor compartments (sprung bearings 35).
  • FIG. 7 shows a substantially identical conveying compartment as in FIG. 6 with a viewing direction transverse to the drum axis A (drum cut along the axis) and illustrates in particular, an advantageous realization of the axial displaceability of the closing elements 21.1 and 21.2.
  • the figure shows the front-side drive rings 20 of the drum, which are driven by an outer sprocket. Between the drive rings 20, the rollers 2.1 and entrainment rods 40 extend.
  • a stationary adjustment device 41 is arranged which essentially comprises two end plates 42 arranged with suitable means on a machine frame, three threaded rods 43 rotatably mounted in the end plates and frontal means 44 for synchronous rotation of the threaded rods 43 has.
  • the threaded rods have opposite threads on a left and right side of the drum.
  • two adjusting plates 45 are mounted by means of threaded nut 46, such that they are axially displaced against each other or away from each other upon rotation of the threaded rods 43.
  • the two-part closing elements 21.1 and 21.2 which are each equipped with an axial welding jaws 30 and two radial welding jaws 31.
  • the stationary closing means 21.2 is suitably connected to the drive rings 20 for the rotational movement, for example via the driver rings 48 and the driver rods 40.
  • the closing element parts are displaced symmetrically with respect to a center plane of the drum, so that the packaging material, irrespective of its width, can always be supplied centrally to the drum. It is of course also possible to keep the position of the means for creating the one lateral seam constant and to move only the means for the other lateral seam axially, wherein then the supplied packaging material is always to be aligned to a constant position of one of its longitudinal edges.
  • the setting device 41 of FIG. 7 can also be used analogously for the circulating conveyor compartments of FIGS. 4 and 5.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (18)

  1. Procédé d'emballage d'objets plats (4) dans lequel un matériau d'emballage (7) en forme de bande quasi sans fin est transformé en continu en un train de poches (7') ouvertes sur trois côtés et fermées sur un côté, transportées dans une direction de transport, les poches (7') étant toutes dotées d'au moins un objet plat (4) pendant leur transport, étant séparées du train de poches et étant ensuite fermées par des joints qui correspondent aux côtés ouverts des poches, caractérisé en ce que le côté ouvert des poches opposé au côté fermé des poches et le joint correspondant prennent dans toutes les étapes du traitement une position indépendante du format des objets (4) à emballer et dans laquelle le matériau d'emballage (7) est immobilisé après la formation des poches, et en ce que la profondeur des poches est adaptée lors de la formation du train de poches (7') au format des objets (4) à emballer.
  2. Procédé selon la revendication 1, caractérisé en outre en ce que lors de la fermeture des poches (7'), la distance entre deux joints latéraux est adaptée au format des objets à emballer ou à la largeur du matériau d'emballage (7).
  3. Procédé selon les revendications 1 ou 2, caractérisé en ce que les poches (7') sont remplies par le haut par leur côté opposé au côté fermé des poches.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que les poches (7') sont fermées dans des logettes de transport (3) qui tournent dans la direction du transport, les poches (7') étant formées dans les logettes de transport (3) ou étant apportées dans celles-ci, les poches (7') étant dotées des objets (4) à emballer dans les logettes de transport (3) ou avant leur amenée dans les logettes de transport (3).
  5. Procédé selon la revendication 4, caractérisé en ce que le matériau d'emballage (7) destiné à former le train de poches est étiré dans les logettes de transport (3) en rotation à l'aide de plusieurs organes de traction (8.2), en ce que chaque poche (7') terminée est fixée dans la logette de transport (3) dans la zone de son côté ouvert opposé au côté fermé et en ce que l'organe de traction (8.2) est ensuite enlevé de la poche (7'), la profondeur de la poche étant ajustée par l'intermédiaire de la longueur des organes de traction (8.2).
  6. Procédé selon la revendication 4, caractérisé en ce que le train de poches est formé à partir du matériau d'emballage (7) au moyen de guides (8.7, 8.8) qui s'engagent de manière alternée sur les deux côtés du matériau d'emballage, lesquels guides (8.7, 8.8) sont déplacés dans la direction du transport, agissent en alternance par les côtés opposés sur le matériau d'emballage (7) et sont déplacés transversalement par rapport à la direction du transport et l'un par rapport à l'autre sur une distance adaptée à la profondeur qu'il faut donner aux poches, et en ce que les poches (7') sont fixées au moyen d'un guide (8.7) sur deux, sont ensuite dotées des objets (4) avant d'être positionnées dans les logettes de transport (3) en rotation pour être fermées.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que le matériau d'emballage (7) est un film en matière synthétique soudable et en ce que les joints sont réalisés par soudage lors de la fermeture des poches.
  8. Dispositif d'emballage d'objets plats (4) par un matériau d'emballage (7) qui présente la forme d'une bande quasi sans fin, lequel dispositif présente des moyens (5, 9) d'amenée des objets (4) à emballer et d'évacuation des objets (4') emballés et des moyens (6) d'amenée du matériau d'emballage (7), lequel dispositif présentant en outre un moyen qui forme à partir du matériau d'emballage (7) un train de poches (7') ouvertes sur trois côtés et fermées sur un côté, un moyen de transport des poches (7') dans une direction de transport, un moyen de séparation des poches (7') du train de poches et un moyen de fermeture des côtés ouverts des poches (7') par réalisation de joints appropriés, caractérisé en ce que le moyen de formation du train de poches (7') et le moyen de transport des poches (7') sont conçus de telle sorte que le côté ouvert des poches opposé au côté fermé des poches et le joint correspondant ont la même position pour différents formats, indépendante du format des objets à emballer (4), en ce que pour fixer le matériau d'emballage (7) dans cette position, des éléments de fixation (22, 27) sont prévus et en ce que le moyen de formation du train de poches (7') peut être ajusté pour établir la profondeur de poche.
  9. Dispositif selon la revendication 8, caractérisé en ce que le moyen de fermeture des poches (7') peut être ajusté pour régler la distance entre deux joints latéraux.
  10. Procédé selon les revendications 8 ou 9, caractérisé en ce que le moyen de transport des poches (7') est configuré et disposé de telle sorte que les poches (7') soient orientées avec leur côté ouvert, opposé au côté fermé, vers le haut, au moins lors de l'amenée des objets (4) à emballer.
  11. Procédé selon les revendications 8 à 10, caractérisé en ce que le moyen de formation du train de poches (7') présente des organes de traction (8.2) de longueur ajustable qui coopèrent avec les extrémités distales d'éléments (2) de logettes en rotation et en ce que les éléments de fixation (22) sont disposés dans les logettes de transport (3) formées par les éléments (2) de logettes.
  12. Dispositif selon la revendication 11, caractérisé en ce que les extrémités distales des éléments (2) de logettes en rotation sont configurés comme rouleaux (2.1) à rotation libre et en ce que les éléments de traction (8.2) présentent également des rouleaux à rotation libre.
  13. Dispositif selon l'une des revendications 8 à 10, caractérisé en ce que le moyen de formation du train de poches (7') présente des guides (8.7, 8.8) avançant en circuit fermé, les guides étant prévus pour agir en alternance sur le matériau d'emballage (7) par deux côtés opposés et pour se déplacer l'un par rapport à l'autre dans la direction transversale à la direction de rotation, la distance de ce déplacement étant ajustable, et en ce que les éléments de fixation (27) sont disposés sur un guide (8.7) sur deux.
  14. Dispositif selon la revendication 13, caractérisé en ce que le cours des guides (8.7) qui avancent en circuit fermé est adaptée au cours des logettes de transport (3) en rotation de telle sorte que les guides (8.7) soient transportés sur une partie de leur cours en circuit fermé dans la zone des extrémités distales des éléments (2) de logettes qui forment les logettes (3) de transport.
  15. Dispositif selon l'une des revendications 8 à 14, caractérisé en ce que les logettes de transport (3) en rotation sont dotées d'éléments de fermeture (21.1, 21.2) qui peuvent être déplacés de façon contrôlée l'un contre l'autre, les éléments de fermeture (21.1, 21.2) étant équipés pour réaliser trois joints qui correspondent aux trois côtés ouverts des poches, et en ce qu'au moins une partie des éléments de fermeture (21.1, 21.2) peut être ajustée à différentes distances entre les joints latéraux.
  16. Dispositif selon la revendication 15, caractérisé en ce que les logettes de transport (3) sont disposées sur un tambour (1) qui tourne autour d'un axe de tambour (A).
  17. Dispositif selon la revendication 16, caractérisé en ce que le tambour (1) présente un système de réglage (41) disposé en son centre et dans lequel les éléments de fermeture (21.1, 21.2) de toutes les logettes de transport (3) peuvent être ajustés les uns par rapport aux autres.
  18. Dispositif selon les revendications 16 ou 17, caractérisé en ce que le moyen (5) d'amenée des objets (4) dans la zone d'un point de sommet supérieur du tambour (1), le moyen (6) d'amenée du matériau d'emballage (7) ou l'amenée du train de poches dans la direction du transport immédiatement en amont du moyen (5) d'amenée des objets (4) et le moyen (9) de transport d'évacuation des objets emballés (4') sont disposés dans la partie inférieure du tambour (1).
EP03405794A 2002-11-29 2003-11-07 Procédé et appareil pour emballer des articles plats Expired - Fee Related EP1426294B1 (fr)

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EP (1) EP1426294B1 (fr)
AU (1) AU2003262104B2 (fr)
CA (1) CA2451331C (fr)
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DE102012020943B4 (de) * 2012-10-25 2015-01-22 Minda Industrieanlagen Gmbh Vorrichtung und Verfahren zum Falten und Zusammenlegen eines faltbaren Bahnelementes
US10029407B2 (en) 2014-12-04 2018-07-24 Big Heart Pet, Inc. Apparatus, processes, and systems for heat sealing
CN108394583B (zh) * 2018-05-09 2024-02-27 诸暨市驰尊针织有限公司 袜子包装机制袋包装机构
US11414222B2 (en) * 2019-10-23 2022-08-16 Create Technologies, Inc. Automated system for the integration of a liner and envelope
CN115303539B (zh) * 2022-08-02 2023-10-13 安徽立众新材料科技有限公司 食品用具有漏气检测机构的环保型氮气包装装置及方法

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DE1260487B (de) * 1960-02-13 1968-02-08 Josef Funk K G Einrichtung zum Einfuegen bedruckter Beilagen in gefaltete Druckschriften
GB1447863A (en) * 1972-10-27 1976-09-02 Spacials Ltd Bag forming machines
CH584153A5 (fr) * 1973-10-10 1977-01-31 Ferag Ag
GB1528451A (en) * 1974-10-03 1978-10-11 Atomic Energy Authority Uk Manufacture of bags
DE2632853C2 (de) * 1976-07-21 1984-02-23 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Herstellen von Beuteln aus einer zweilagigen Bahn aus thermoplastischem Material
DE2931268C2 (de) * 1979-08-01 1985-04-25 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Herstellen von Beuteln oder Schlauchstücken aus einer zweilagigen Bahn aus heißsiegelfähigem oder schweißbarem Material
US4586703A (en) * 1984-07-26 1986-05-06 Block Business Forms, Inc. Method and apparatus for high-speed mounting of documents on zig-zag carrier
DE3838985C1 (fr) * 1988-11-18 1989-11-02 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US5108085A (en) * 1989-05-22 1992-04-28 The Dow Chemical Company Apparatus and method for the production of flexible products
US5062825A (en) * 1989-05-22 1991-11-05 The Dow Chemical Company Apparatus and method for the production of flexible products
EP0588764B1 (fr) 1992-09-14 1997-05-28 Grapha-Holding Ag Dispositif pour assembler des produits imprimés alimentés vers une couverture pliée
EP0753386B1 (fr) 1995-07-11 2002-01-09 Ferag AG Dispositif pour couper des produits d'imprimerie pliés, tels que journaux, magazines, brochures et similaires
FR2748989B1 (fr) * 1996-05-22 1998-08-21 Henaux Claude Procede et dispositif d'ensachage multipoches et sachets ainsi obtenus
ATE284810T1 (de) 2000-09-18 2005-01-15 Ferag Ag Verfahren und vorrichtung zum umhüllen von druckereiprodukten mit einem verpackungsmaterial

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US6883294B2 (en) 2005-04-26
AU2003262104B2 (en) 2010-02-25
DE50304037D1 (de) 2006-08-10
EP1426294A1 (fr) 2004-06-09
CA2451331A1 (fr) 2004-05-29
CA2451331C (fr) 2007-11-20
AU2003262104A1 (en) 2004-06-17
US20040112014A1 (en) 2004-06-17
DK1426294T3 (da) 2006-10-23

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