EP2840028B1 - Dispositif de reconnaissance destiné à être utilisé dans une installation d'ensachage - Google Patents

Dispositif de reconnaissance destiné à être utilisé dans une installation d'ensachage Download PDF

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Publication number
EP2840028B1
EP2840028B1 EP14166132.2A EP14166132A EP2840028B1 EP 2840028 B1 EP2840028 B1 EP 2840028B1 EP 14166132 A EP14166132 A EP 14166132A EP 2840028 B1 EP2840028 B1 EP 2840028B1
Authority
EP
European Patent Office
Prior art keywords
film
film web
bag
detection device
roll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14166132.2A
Other languages
German (de)
English (en)
Other versions
EP2840028A1 (fr
Inventor
Hans-Ludwig Voss
Oliver Huil
Ralf Udally
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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Publication date
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Publication of EP2840028A1 publication Critical patent/EP2840028A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/18—Registering sheets, blanks, or 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • 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
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/52—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using roller-ways or endless conveyors
    • 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
    • B65B5/06—Packaging groups of articles, the groups being treated as single articles
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/005—Adjustable conveying means
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/02—Arrangements to enable adjustments to be made while the machine is running
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state

Definitions

  • the present invention relates to a recognition device for use in a bag filling plant for detecting an overlapping region of a film web, a bag filling plant with such a recognition device and a method for detecting an overlapping region of a film web.
  • bag filling systems are used to package bulk goods in film bags.
  • a bag filling plant usually has a Monrolle with a film web. From this dronerolle the film web is unwound and enters the interior of the machine.
  • processing stations are provided within this bag filling . On the one hand, these are sealing stations for the sealing of bottom seams and seams as well as cutting devices for cutting to length individual bag sections.
  • a filling station for filling with the bulk material is provided. If the supply of preliminary storage roller approaches its end, a so-called roller exchange must take place.
  • the device lacks a possibility to machine-monitor a thick part of the packaging material, which results in a slow conveying speed.
  • a disadvantage of known bag filling systems is that manual monitoring of this glueing section must take place.
  • the bonding of the insert film with the follower film leads to an overlap region which has a significantly greater thickness than the individual film web. Accordingly, these overlapping areas are also not suitable for the filling process in the bag filling plant. Rather, it must be ensured that the film webs are provided for filling in the bag filling system only in intact areas which are free of overlapping areas. In other words, the portion that includes the overlap area is scrap of the film web.
  • known bag filling systems after the end of the film is glued to the insert film, the film web beginning of the follower film is visually monitored by the user.
  • the machine is therefore restarted slowly so that the operator of the bag filling system can visually follow the overlapping area through the machine. If the overlapping area reaches the cutting station within the bag filling system, it is manually ensured that these sections are ejected or manually deployed.
  • the visual tracking is associated with great effort. In particular, during the visual tracking, a relatively slow conveying speed must be set in the bag filling system.
  • the manual application also leads to time reductions, so that by the previous solutions a high time required for the roll change must be estimated. Also, it is not guaranteed that really every overlap area will actually be applied as a scrap.
  • the purely manual mode of operation leads to a corresponding susceptibility to errors if there is a faulty operation on the part of the operating personnel.
  • a recognition device is designed for use in a bag filling installation for detecting a thick spot, in particular an overlapping area, of a film web between a film web end of an insert film and a film web start of a successive film.
  • the recognition device comprises a first film roll and a second film roll, which contact the film web on oppositely oriented side surfaces.
  • the film rolls are preferably mounted rotationally.
  • the first film roll is movably mounted relative to the second film roll to change the conveying gap between the two film rolls can.
  • a sensor device for detecting the movement of the first conveyor roller is arranged.
  • a recognition device is now presented which is capable of automatically recognizing the overlapping region.
  • this overlapping area is produced during bonding or welding of the film web end of the insert film to the film web start of the follower film.
  • the recognition device is now able to automatically recognize the overlapping area and in this way to clearly define or indicate the entry or the position of the overlapping area. Subsequently, also automatically or in a manual manner, an application of the overlapping region or corresponding bag sections, which contain the overlapping region, take place.
  • the detection of the overlap region is carried out according to the invention by the correlation of the two film rolls with the sensor device.
  • the two film rolls are arranged in contact with the film web.
  • the film roll is rotatably mounted, so that in the promotion of the film web through the conveying gap an opposite rotation of the film rolls takes place.
  • the contact with the side surfaces of the film web remains essentially for the entire promotion of the film web.
  • the first film roll is movably mounted relative to the second film roll.
  • the thicker film web for example by the overlap region, can now force the larger conveying gap by moving the first film roller relative to the second film roller and thus increasing the conveying gap. If the overlapping area has completely passed through the conveying gap, then the opposite movement for reducing the conveying gap can take place so that the first film roller again moves relative to the second film roller.
  • the first film roll moves essentially exclusively on the basis of the thickness ratios of the film web and on the basis of the thus changed width of the conveying gap. An active movement of the film roll is not required. Accordingly, a particularly inexpensive and simple embodiment of this mobility of the first film roll can be made available.
  • a sensor device which detect this movement can, a conclusion can be made on a change in the width of the conveying gap.
  • a changed width of the conveying gap necessarily results from a changed thickness of the film web, for example by reaching the overlapping area. Accordingly, the sensor device is thus able to indirectly detect the passage of the overlap area between the two feed rollers.
  • This information can be forwarded as a parameter or as a data record to a control device in order to be able to ensure the discharge of this bag section of the film web.
  • the recognition device may be part of a drive device in order to ensure, for example, the advantage for the film web.
  • the sensor devices are arbitrarily ausgestaltbar in the sense of the present invention. It is crucial that the movement of the first film roll is detected. In this case, in particular, a direction of movement must be recognizable, which is associated with an enlargement of the conveying gap.
  • the sensor device detects a movement of the film roll in both directions, so that actively the position of the first film roll relative to the second film roll can be determined. There are basically end position switch as well as motion detection switch conceivable as sensor devices.
  • the sensor device has an adjustability which makes a threshold value adjustable in order to be able to set the recognition quality. This ensures that smaller thickness variations of the film web do not lead to the triggering of the detection steps for the application of a bag section. Rather, a distinction is made between simple variations in thickness of a film web within a liner and a significant difference in thickness by reaching an overlap region. In particular, the overlapping region has thicknesses which are two to four times the normal thickness of the film web.
  • the contacting of the film rolls to the side surfaces of the film web is preferably carried out even by a partial wrap, in order to provide a sufficient frictional contact can be provided.
  • Under the movement of the first film roll can be understood both a purely translational, as well as a pivoting movement. It is crucial that the rotational ability of the first film roll through the Mobility relative to the second film roll is not or only slightly influenced.
  • the sensor device is fastened in or on the second film roll or on the storage thereof. Also, separate arrangements, for example on a frame or on a housing of the bag filling system, are conceivable in order to provide the quality according to the invention.
  • a recognition device it may be advantageous if, in a recognition device according to the invention, at least one of the two film rolls has a drive device for a rotational drive of this film roll and thus an active conveying of the film web.
  • a drive device for a rotational drive of this film roll In order to ensure a movement of the film web through the bag filling system, transport forces must be transferred to the film.
  • so-called preferred drives are provided for this purpose, which transmit the force for transporting the film web to the same via film rolls and, accordingly, frictional contact.
  • the preferred drive with a recognition device according to the invention is formed in a functional unit, this leads to significantly reduced complexity and to reduced costs.
  • the necessary space of the detection device is reduced to a minimum, since preferably already existing space for the preferred drive can be used.
  • the drive device may be designed for a continuous, but also for a clocked preference of the film web.
  • the first film roll has a spring device which acts on the first film roll with a force in the direction of reducing the conveying gap.
  • This spring device may be, for example, a coil spring or a rotation spring act. This spring force serves to reset after detection of an overlapping area. At the same time a sufficient contact pressure in the direction of the conveying gap, ie on the film web, can be ensured via this spring device. This ensures that the recognition device, after passing through an overlapping area, is again in a recognition position which is designed for the recognition of a subsequent overlapping area.
  • this spring device is combined with a drive device, as has been explained in the preceding paragraph.
  • the first film roll has a stop device with at least one stop for limiting the magnification and / or the reduction of the conveying gap.
  • This stop device with one or more stops thus results in that no arbitrary variation of the conveying gap can be performed. In particular, it is ensured that even with a complete removal of the film web from the conveying gap, the two conveyor rollers do not contact.
  • a minimum conveying gap is set to facilitate, for example, threading the film web.
  • an increased spring force according to the preceding paragraph can be provided in this way, since an impressions in the film web can not act in full effectiveness on the film web by such a stop against a reduction of the conveying gap.
  • stops are provided in both directions in order to provide an upper limit for the variation of the conveying gap.
  • the first film roll has a pivot bearing device for a pivotable mounting on the bag filling system.
  • This storage is preferably carried out on the frame and / or the housing of the bag filling plant.
  • a pivot bearing is a particularly inexpensive embodiment of the movable arrangement of the first film roll.
  • This is also a particularly fault-tolerant type of bearing, since jamming or tilting of the movement of the first film roll can be virtually ruled out.
  • rotation sensors and / or rotation springs can be used, which can be arranged directly in the bearing point of the pivot bearing device.
  • Another object of the present invention is a bag filling plant for the production and filling of bags with bulk material, comprising a recognition device according to the invention for the detection of an overlap region of a film web between a film web end of a liner and a film web start a follower film.
  • a bag filling system has in particular a plurality of different stations.
  • a presentation station for receiving a morrolle be provided with a film web.
  • a dancer device or a buffer device is used, starting from the presentation station a continuous Converting promotion into a cycle promotion.
  • a bottom sealing station can be achieved, which seals the bottom seam.
  • a cutting station is preferably also provided which simultaneously cuts and cuts the film web into individual bag sections.
  • a filling station is preferably provided which fills the bulk material via a hopper into the individual bag sections, which are already closed by a bottom seam.
  • a head seam sealing station which closes the bags by another seal at the top. Cooling stations are preferably provided for the individual sealing seams in order to preferably actively cool the bottom seam as well as the top seam.
  • a discharge opening is arranged such that a bag section of the film web which at least partially contains the overlapping area can be dropped from the bag filling installation.
  • This can be understood as a simple opening or even a closed or closable opening.
  • flaps are possible, which allow detection of the overlap area after cutting an application by gravity, so easy dropping, through the discharge opening.
  • the individual bag sections are preferably cut off after the sealing of a bottom seam, so that the preferred device is also the detection device at the same time. This can still be done in the sealing station or the cutting station dropping. Further conveying to a next station and a corresponding correlation to a further offset discharge opening is possible in the context of the present invention.
  • a recognition device is used, so that the same advantages can be achieved as have been explained in detail with reference to the recognition device according to the invention.
  • sealing a bottom seam is preferably to understand the portion of the bag section, which will later form the bottom of the bag.
  • the spreading takes place on the way to another station or at the other station. This increases the cycle time even further.
  • the cutting and sealing of the bottom seam can preferably be carried out in one and the same station substantially together in a parallel or substantially parallel step.
  • the bag section is conveyed to a further station before the cut bag section is deployed when the overlapping area is detected.
  • a speed-up of the clock is possible in this way.
  • the faster timing allows higher production speeds for the operation of the bag filling plant.
  • the transfer preferably takes place by means of grippers, which allow the movement from station to station.
  • the dispensing takes place automatically at full speed, so that no further manual intervention is necessary for the roll change after the manual bonding of the insert film to the follower film.
  • a gripper arm of the further station moves closed onto the cut bag section in order to assist the dispensing.
  • the gripping arm of the further station moves open towards the bag section in order to grasp it, this preferably takes place in the closed state when the overlapping area is detected.
  • the bag portion is not only not gripped with the overlap region, but also pushed by the closed gripping arm to the side, so to speak to allow stripping and thus a further improved and safe deployment of this bag section.
  • FIG. 1 schematically shows how an overlap region 230 of a film web 200 is usually constructed.
  • the insert film 210 can be seen, which has two side surfaces 202.
  • the film web end 212 of the insert film 210 is already arranged within a follower film 220.
  • the film web end 212 of the insert film 210 overlaps with the film web beginning 222 of the follower film 220. This overlap forms the overlap region 230 with a significantly enlarged, namely doubled, thickness of the film web 200.
  • FIGS. 2 and 3 show a possible embodiment of a recognition device 10 according to the invention.
  • two conveying rollers 20 and 30 are arranged, which form a conveying gap 40 between them.
  • the film web 200 is conveyed from top to bottom.
  • at least one or even both feed rollers 20 and 30 are driven in order to transfer the preference and thus the preferential force to the film web 200.
  • the first film roll 20 has a pivot bearing device 28.
  • the first film roll 20 can be moved away from the second film roll 30 by pivotal movement about the pivot axis of the pivot bearing device 28.
  • a spring device 22 which is supported for example against the frame of a bag filling 100. It applies the spring force to the first film roll 20, here on the pivot bearing device 28, to allow for recovery to a reduced conveying nip 40. To ensure that the conveying gap 40 never completely closes and not the full spring force of the spring device 22 is transmitted to the film web, a stop device 24 is provided with a stop 26.
  • a sensor device 50 with a sensor means 52 in the form of an inductive sensor is provided.
  • the film web 200 moves between the two film rolls 20 and 30, as the FIG. 2 shows.
  • an overlapping area 230 moves through the entire bag filling plant 100, as shown schematically in FIG FIG. 1 is shown. If the overlapping region 230 of the film web 200 reaches the recognition device 10, then a movement takes place, as they FIG. 3 shows.
  • the previous conveying gap 40 is no longer sufficient in its width to accommodate the overlapping area 230. If this overlapping region 230 penetrates into the conveying gap 40, it presses the first film roll 20 over the pivot bearing device 28 to the right in accordance with FIG FIG. 3 , In this case, the spring device 22 is compressed and the sensor device 50 detects this movement. This detection of movement may result in the subsequent manual or automated deployment of a bag section 240 of the film web 200.
  • the spring device 22 after the passage of the overlapping region 32, the first film roll 20 is returned to the position according to FIG FIG. 2 possible.
  • FIG. 4 schematically shows a bag filling plant according to the invention 100.
  • the film web 200 is fed to a buffer device 130 in the form of a dancer device.
  • the detection device 110 At the end of deflection rollers is the detection device 110, as it is also designed as a preferred drive for the film web 200 at the same time.
  • a station 170 with a sealing device 140 for sealing the bottom seam. Also, at this station 170, a cutting device 150 is provided, which is operated simultaneously with the sealing device 140.
  • the film web 200 is therefore pushed through the length of a bag section 240 and at the same time the bottom seam of the subsequent bag section 240 is formed and the lower bag section 240 is cut off.
  • gripping arms there is a further transport of the bag sections 240, wherein when the overlapping area 230 is detected, the bag section 240 can be ejected through a discharge opening 110.
  • Supported as subsequent stations via a conveyor belt 160 are a station 170 as a filling device, a further station for sealing a top seam of the filled bag section 240, and finally another station 170 for cooling the sealed top seam.
  • FIG. 5 shows a further embodiment of a recognition device according to the invention.
  • the first conveying roller 20 has a drive device 60, which allows the drive to generate a preferential force for the film web 200.
  • the sensor device 50 here has a pressure switch as a sensor means 52.
  • the stop device 24 has two stops 26 in this embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (11)

  1. Dispositif de reconnaissance (10) destiné à être utilisé dans une installation d'ensachage (100) pour la reconnaissance d'un emplacement épais, en particulier d'une zone de chevauchement (230), d'une nappe de feuille (200) entre une extrémité de nappe de feuille (212) d'une feuille d'insert (210) et un début de nappe de feuille (222) d'une feuille suivante (220), présentant un premier cylindre pour feuille (20) et un deuxième cylindre pour feuille (30) qui entrent en contact avec la nappe de feuille (200) sur des surfaces latérales (202) orientées de façon opposée et constituent un interstice de transport (40) pour la nappe de feuille (200), le premier cylindre pour feuille (20) étant supporté de façon mobile par rapport au deuxième cylindre pour feuille (30) afin de faire varier l'interstice de transport (40), et un dispositif de capteur (50) étant disposé pour la reconnaissance du mouvement du premier cylindre pour feuille (20), le dispositif de capteur reconnaissant un mouvement du premier cylindre pour feuille (20) dans les deux directions de telle sorte que la position du premier cylindre pour feuille (20) par rapport au deuxième cylindre pour feuille (30) peut être définie de façon active.
  2. Dispositif de reconnaissance (10) selon la revendication 1,
    caractérisé en ce
    qu'au moins un des deux cylindres pour feuille (20, 30) présente un dispositif d'entraînement (60) pour un entraînement rotatif de ce cylindre pour feuille (20, 30) et donc un transport actif de la nappe de feuille (200).
  3. Dispositif de reconnaissance (10) selon l'une des revendications précédentes, caractérisé en ce que
    le premier cylindre pour feuille (20) présente un dispositif de ressort (22) qui exerce sur le premier cylindre pour feuille (20) une force dans la direction de la réduction de l'interstice de transport (40).
  4. Dispositif de reconnaissance (10) selon l'une des revendications précédentes, caractérisé en ce que
    le premier cylindre pour feuille (20) présente un dispositif de butée (24) avec au moins une butée (26) pour la limitation de l'augmentation et/ou de la réduction de l'interstice de transport (40).
  5. Dispositif de reconnaissance (10) selon l'une des revendications précédentes, caractérisé en ce que
    le dispositif de capteur (50) présente au moins un des moyens de capteur (52) suivants :
    - moyen de capteur inductif
    - moyen de capteur capacitif
    - manocontact
    - barrière photoélectrique
    - capteur de proximité
    - capteur de force
    - capteur ultrasonique
  6. Dispositif de reconnaissance (10) selon l'une des revendications précédentes, caractérisé en ce que
    le premier cylindre pour feuille (20) présente un dispositif de palier pivotant (28) pour une mise sur palier pivotante sur l'installation d'ensachage (100).
  7. Installation d'ensachage (100) pour la fabrication et le remplissage de sacs avec un produit en vrac, présentant un dispositif de reconnaissance (10) pour la reconnaissance d'une zone de chevauchement (230) d'une nappe de feuille (200) entre une extrémité de nappe de feuille (212) d'une feuille d'insert (210) et un début de nappe de feuille (222) d'une feuille suivante (220) ayant les caractéristiques d'une des revendications 1 à 6.
  8. Installation d'ensachage (100) selon la revendication 7,
    caractérisé en ce
    qu'une ouverture d'évacuation (110) est disposée de telle sorte qu'un tronçon de sac (240) de la nappe de feuille (200) qui contient au moins partiellement la zone de chevauchement (230) peut être évacué de l'installation d'ensachage (100).
  9. Procédé de reconnaissance d'une zone de chevauchement (230) d'une nappe de feuille (200) entre une extrémité de nappe de feuille (212) d'une feuille d'insert (210) et un début de nappe de feuille (222) d'une feuille suivante (220) au moyen d'un dispositif de reconnaissance (10) ayant les caractéristiques des revendications 1 à 6, présentant les étapes suivantes :
    - scellement d'une soudure de fond d'un tronçon de sac (240) d'une nappe de feuille (200),
    - transport de la nappe de feuille (200) sur la longueur d'un tronçon de sac (240),
    - surveillance de la nappe de feuille (200) pendant le transport sur une zone de chevauchement (230) au moyen du dispositif de reconnaissance (10),
    - découpe du tronçon de sac (240) transporté,
    - enlèvement du tronçon de sac (240) découpé quand une zone de chevauchement (230) a été reconnue.
  10. Procédé selon la revendication 9,
    caractérisé en ce
    qu'un transport du tronçon de sac (240) vers un autre poste (170) est effectué avant l'enlèvement du tronçon de sac (240) découpé en présence d'une zone de chevauchement (230) reconnue.
  11. Procédé selon la revendication 10,
    caractérisé en ce qu'un
    bras préhenseur de l'autre poste (170) se déplace en étant refermé vers le tronçon de sac (240) découpé pour faciliter l'enlèvement.
EP14166132.2A 2013-05-29 2014-04-28 Dispositif de reconnaissance destiné à être utilisé dans une installation d'ensachage Active EP2840028B1 (fr)

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DE102013105545.1A DE102013105545B4 (de) 2013-05-29 2013-05-29 Erkennungsvorrichtung für den Einsatz in einer Sackfüllanlage

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EP2840028A1 EP2840028A1 (fr) 2015-02-25
EP2840028B1 true EP2840028B1 (fr) 2017-08-30

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CN111232303B (zh) * 2020-01-08 2021-07-06 绍兴阔源机械科技有限公司 一种包装机上膜装置
US20210347141A1 (en) * 2020-02-06 2021-11-11 Pouch Pac Innovations, Llc Machine for production of stand up pouches
DE102020205036B4 (de) * 2020-04-21 2022-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Erzeugung eines Flüssigkeitsfilms eines flüssigen Mediums in einem Folienbeutel, sowie Anordnung zur kontrollierten Exposition eines flüssigen Mediums in einem Folienbeutel mit physikalischer Strahlung
EP4183695A1 (fr) * 2021-11-23 2023-05-24 BEUMER Group GmbH & Co. KG Machine ffs permettant de remplir des sacs de marchandise en vrac

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DE102013105545B4 (de) 2021-07-29
US10526101B2 (en) 2020-01-07
DE102013105545A1 (de) 2014-12-04
EP2840028A1 (fr) 2015-02-25
ES2641473T3 (es) 2017-11-10
US20140357462A1 (en) 2014-12-04

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