EP3212553B1 - Dispositif et procédé de manipulation de matériaux plats et/ou en feuille enroulés sur des bobines - Google Patents

Dispositif et procédé de manipulation de matériaux plats et/ou en feuille enroulés sur des bobines Download PDF

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Publication number
EP3212553B1
EP3212553B1 EP15786956.1A EP15786956A EP3212553B1 EP 3212553 B1 EP3212553 B1 EP 3212553B1 EP 15786956 A EP15786956 A EP 15786956A EP 3212553 B1 EP3212553 B1 EP 3212553B1
Authority
EP
European Patent Office
Prior art keywords
suction
roll
instrument
negative pressure
packaging
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
EP15786956.1A
Other languages
German (de)
English (en)
Other versions
EP3212553A1 (fr
Inventor
Thomas Wimmer
Herbert Spindler
Jürgen Werner
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.)
Krones AG
Original Assignee
Krones 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
Priority claimed from DE102014222166.8A external-priority patent/DE102014222166A1/de
Priority claimed from DE102015208112.5A external-priority patent/DE102015208112A1/de
Application filed by Krones AG filed Critical Krones AG
Publication of EP3212553A1 publication Critical patent/EP3212553A1/fr
Application granted granted Critical
Publication of EP3212553B1 publication Critical patent/EP3212553B1/fr
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Anticipated expiration legal-status Critical

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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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B65H19/1836—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • 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
    • B65B21/00—Packaging or unpacking of bottles
    • B65B21/24—Enclosing bottles in wrappers
    • B65B21/245—Enclosing bottles in wrappers in flexible wrappers, e.g. foils
    • 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
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • 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
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4611—Processing webs in splicing process before splicing
    • B65H2301/46115—Processing webs in splicing process before splicing by bringing leading edge to splicing station, e.g. by chain or belt
    • 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
    • B65H2511/21—Angle
    • B65H2511/212—Rotary position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/42—Cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/81—Packaging machines

Definitions

  • the present invention relates to a device for handling rolled-up flat and / or sheet material with the features of independent claim 1. Furthermore, the invention relates to a method for handling wound on rolls and as packaging material for packaging piece goods, containers or the like article compositions serving flat and / or sheet material having the features of independent method claim 12.
  • containers eg. Of beverage containers o. The like.
  • shrink film to prevent slipping or loosening of the compilation during further handling or during transport.
  • containers comprising four, six or more containers are known from the prior art.
  • Such containers represent a very common variant of sales units for beverage containers or bottles made of PET plastic.
  • devices and methods which unwind the material of a roll or multiple roles to carry within a packaging machine and thus the individual containers or the respective Cover the packaging material with articles intended to form the respective container.
  • the unwinding of the packaging material from the roll is usually carried out by machine and in a continuous process.
  • Devices are known in which the packaging material is withdrawn via rollers from the rotating roll. If a roll is unwound and the stock of packaging material of the roll is exhausted, an exchange of the respective roll or a replacement by a new roll must take place. However, with such a roll change an undesirable interruption of the process of compilation and packaging of packages is connected.
  • This known device has a plurality of supply rolls with strip material, which are arranged side by side. The core of the rollers is placed in each case on a common pin. A beginning of the strip material is previously connected to a roller, which pulls the strip material from the respective roll and leads away from the device in the downward direction.
  • the role In order to operate this known device and to unwind the material from the roll, the role must be placed with its core in conformity with the direction of rotation on the pin. The strip material or the first layer of the strip material must descend from above in the direction of the rolls.
  • Such a device with a film splicing station in which the film web of a roll newly inserted into a packaging machine with the assistance of a holding device is fed to a welding device, is known from US Pat DE 10 2004 026 312 A1 known.
  • the holding device can be designed in particular as a manually operable terminal block, with the aid of a film beginning of a new role and a transfer device is provided, which can provide a feeding of the film beginning to a welding device, by means of which the beginning of the film with an already in the Wrapping machine located film web is welded.
  • the terminal strip is referred to there as a manually easy to handle tool, with which the film web can be brought into a suitable position.
  • the terminal block is loose, that is not connected to the machine or the welding device.
  • a primary object of the invention is therefore seen to provide a device and a method for partially or fully automatable handling of wound on rolls flat and / or sheet material available, whereby the susceptibility to failure of a packaging machine can be reduced.
  • the device according to the invention and the method according to the invention are intended to simplify the handling of flat and / or film material and to enable largely uninterrupted operation of a packaging machine even beyond a reel change.
  • the invention proposes a device for handling flat and / or film material wound up on rollers, wherein the device has at least one installation position, which is provided for rotationally receiving rollers with flat and / or film material.
  • the device has at least one coupling means for connecting free end regions of flat and / or foil material of the rolls in the at least one installation position with flat and / or foil material, which is guided inside the device for packaging purposes.
  • at least one suction instrument is provided with at least one attachment, via which a negative pressure on the flat and / or foil material can be applied for gripping a free end region of flat and / or foil material.
  • this essay can optionally be omitted, or that this essay integrated or structurally integrated part of the Suction instrument forming gripping and / or handling device can be.
  • the suction instrument forms a controlled within the packaging machine adjustable and / or rotatable about its longitudinal axis gripping and / or handling device for detecting the material provided by a newly inserted roll of material by means of pneumatic suction pressure.
  • the device according to the invention can be provided, in particular, for the handling of flat and / or foil material wound on rolls and used as packaging material for packaging piece goods, containers or similar article assemblies within a packaging machine which has at least one installation position for a roll, optionally also two different installation positions for the respective rotatable recording of rolls with flat and / or sheet material and fixing and / or welding means for aligning and / or connecting free end portions of flat and / or sheet material of the at least two mounting positions respectively used new roles with an already in the Packaging machine guided material web has.
  • the device may also comprise at least one detecting device for preferably optically detecting a direction of rotation and / or positioning a free end of an outer layer of the web of each new roll and at least one controllable gripping and / or handling device for handling and moving the outer layer Having the material web of the new role for coupling device or for fixing and / or welding device.
  • the automated and / or controllable in at least partial dependence on the signals of the detection device gripping and / or handling device forms according to this equipment option part of an automatable roll change unit of the device.
  • the gripping and / or handling device is formed by at least one gripping and guiding element which is assigned to the machine section of a packaging line and which can be controlled in its movements and its material web, gripping and / or moving within the packaging line.
  • the optionally detectable detection device may comprise at least one in the region of at least two mounting positions fixed optical detection system, by means of which the direction of rotation and / or rotational direction-compliant orientation of the roller used in the at least one mounting position or the respective inserted in the at least two mounting positions new roles and / or verifiable. It is also the Material web start of the outer layer recognizable, which is to be detected with the gripping and / or handling device.
  • the detection device may also have an optical detector which is moved via the handling device in the region of the respective new roll and there for checking and / or determining the direction of rotation and / or directionally correct positioning of the new roll and / or for detecting the position of the material web start outer layer recognizes their respective optical marking.
  • the aforementioned gripping and / or handling device can in particular by at least one controllable within the packaging machine adjustable and / or rotatable about its longitudinal axis suction instrument, in particular by at least one controllably adjustable and / or rotatable about its longitudinal axis suction bar for detecting the material provided by the new roll web be formed by pneumatic suction or have such a suction rod.
  • the gripping and / or handling device can also be formed by at least one strip with controllable suction cups or the like or have such a strip.
  • This suction tube must be able to detect a material web start an outermost layer of a new role and promote the fixing, connecting and / or welding device, where the permanent connection can be made to still in the machine material web, so that the Material web feed into the packaging area, where the articles, cargo or container wrapped with the web or film or partially wrapped, continued or can be maintained.
  • the suction device forming the gripping and / or handling device of the device according to the invention is equipped with a multiplicity of suction parts distributed over the suction instrument, which can each be subjected to a negative pressure for gripping a free end region of flat and / or film material.
  • the suction parts can be provided evenly distributed along the suction instrument or be introduced evenly or equidistantly distributed in the suction instrument.
  • the suction instrument may comprise at least five such suction parts.
  • the suction sections may form a linear arrangement with each other in the suction instrument or may be introduced linearly into the suction instrument, i. in a linear alignment with each other. It is conceivable, for example, that the suction instrument can be rotated about its longitudinal axis.
  • the suction instrument can be moved in the direction away from the respective installation position or in the direction away from the respective roller in order to remove flat and / or film material.
  • the suction instrument can be coupled to the previously mentioned control device, which predefines the respective offset of the suction instrument for withdrawing the flat and / or foil material.
  • the suction instrument can be connected to a linear guide or coupled to a carriage of a linear guide.
  • Other guideways are conceivable, for example, arcuate or S-shaped o. The like., Which serve to bring the web in the desired manner to the connecting device, for example. To the welding device.
  • At least one suction part is associated with a functional attachment, which is in operative connection with the respective suction section and can be removed from the suction instrument.
  • the functional attachment can serve to improve the gripping of the respective material web via negative pressure.
  • the releasable by the respective suction section vacuum can be influenced by means of the associated function attachment in terms of size and / or orientation.
  • at least one functional attachment and preferably all functional attachments provide a contact surface for the flat and / or sheet material and are at least partially flexible and preferably made of plastic.
  • the at least one functional attachment or the functional attachments can each be designed as a flexible bellows or as a flexible suction bell or the like.
  • a respective suction section can be set over its assigned function attachment out of force or optionally throttled. In material webs with different transverse extent or with different web width, this may be advantageous if the respective suction section can not grip the end region of the flat and / or film material of a roll by means of negative pressure due to its position in the suction instrument. By deactivating the corresponding suction section or by throttling on the one hand energy can be saved. In addition, possibly a drop in the negative pressure is avoided at other suction sections when the at least one suction section is disabled. If subsequently flat and / or film material of a further roller with greater depth or transverse extent is to be gripped, the respective suction section can possibly grip the flat and / or film material via negative pressure.
  • the respective suction section can be activated by a functional attachment coupled to the suction instrument and with the respective suction section is set in operative connection, so that optionally for gripping the free end region, a negative pressure on the suction section can be released.
  • the suction instrument is alternately movable back and forth when offset between the at least two different installation positions.
  • exactly one suction instrument or suction rod may be sufficient to alternately pull flat and / or sheet material from rolls of the at least two different installation positions.
  • each installation position can be assigned its own suction instrument or its own suction rod in order to remove flat and / or sheet material from a roll of the respective installation position.
  • the at least one suction device for the common transmission of a negative pressure provides a line system, to which the plurality of suction sections are coupled in series.
  • the line system may in this case have a vacuum line with a plurality of individual branches, wherein each suction section is assigned a separate branch to continue negative pressure to the respective suction section.
  • the line system or the vacuum line can be coupled to a vacuum generating device.
  • one or more of the suction sections is assigned a respective valve, wherein the functional attachment is in operative connection with the valve, wherein the functional attachment is in operative connection with the valve, so that the respective valve is open to release a negative pressure, if the respective functional attachment is in communication with the suction instrument and, with the functional attachment removed, the respective valve is closed and the respective suction part is deactivated or can not release any negative pressure.
  • the suction section can provide a pocket or a seat for receiving the respective functional attachment.
  • the bag or the seat can be milled into the suction instrument.
  • the functional attachment may have a channel by means of which channel vacuum can be released for gripping film and / or strip material.
  • the channel may possibly be in fluid communication with the previously described piping system.
  • the respective functional attachment is detachably held on the suction instrument via screw and / or plug connections.
  • the function attachment itself have a thread, by means of which thread the functional attachment can be screwed onto a corresponding mating thread of the suction instrument.
  • other compounds such as latching and / or snap and / or clamp connections to connect the respective functional attachment with the suction instrument, or to put the respective functional attachment with the respective valve in operative connection and the valve, if appropriate open accordingly.
  • one or more of the suction parts are associated with a valve and a control needle, wherein the valve can be opened via the control needle upon contact of the control needle with a free end of flat and / or sheet material to release a negative pressure and not trained contact the valve is closed via the control needle.
  • the control needles may extend at least approximately by the same amount in the direction of the suction instrument, so that the valves associated with the control needles open at least approximately simultaneously for gripping the flat and / or foil material. If a control needle does not come into contact with the flat and / or foil material, then the valve remains closed and no negative pressure is released via this valve or via this suction part.
  • the suction instrument is designed as a suction tube with a round and / or square cross-section.
  • the suction instrument or the suction tube can be produced in a three-dimensional printing process.
  • the suction instrument or the suction tube made of aluminum or other materials is formed.
  • a valve for releasing a negative pressure is associated with a plurality of suction sections.
  • a control device can be provided which can selectively and independently control the valves to release a negative pressure for one or more suction sections.
  • the suction instrument for one or more suction parts has a trained as a throttle area with a reduction in cross-section.
  • the region with a reduction in cross section may be part of a respective previously described functional attachment. If a suction part loses its contact with the flat and / or film material unintentionally, it is advantageously possible in such embodiments to maintain the negative pressure at the further suction parts.
  • suction instrument can have no functional attachment in conceivable embodiments.
  • the negative pressure can be released directly via the respective suction section.
  • the gripping and / or handling device or the suction tube can be moved slowly to the roller by evaluating the positions of the optical markings with the aid of the detection device for exact alignment of the roller until a slightly increased resistance signals that the suction tube or the gripper and / or handling device has contacted the roller.
  • the suction tube can detect the material edge of the outer material web, forming or reinforcing a suction pressure, and pulling it off the roller, in particular by overcoming the adhesive forces of the adhesive labels.
  • the outer material web is wound by rotation of the suction tube on this and simultaneously withdrawn from the roll, possibly supported by a motor rotation of the retaining mandrel, on which the roller is rotatably mounted.
  • the optical markings or adhesive labels applied externally to the newly inserted rollers can fulfill a marking function which makes it possible to set the exact rotational position of the roller with the aid of the detection device such that the gripping and / or handling device contacting the roller grips the material edge of the outer material web and can peel the outer sheet from the roll by overcoming the adhesive forces of the adhesive labels or markers.
  • the adhesive forces of the adhesive labels allow the removal of the outer material web from the roll and that the detachment processes can be exactly reproduced.
  • the gripping and / or handling device of the device according to the invention can also be formed by at least one clamping strip for mechanically clamping detection of the material provided by the new roll web or have such a terminal block.
  • the gripping and / or handling device may be formed by at least one clamping strip or clamping tube, which in the same manner as the suction strip described above within the machine must be movable and controllable in their clamping action.
  • the gripping and / or handling device can be formed by at least one electrostatically operating element for detecting the provided by the new roll web by means of electrostatically assisted adhesion, said element detects the web or film by a controllable and turn-off electrostatic charge and the adhesion to the film or web produced.
  • the gripping and / or handling device can also be formed by a simple rod for handling the film webs or webs, which works mechanically adhesive and allows tapping of the material web end by adhesion by previously the film or web roll with double-sided adhesive or adhesive tape has been fitted so that one side of this adhesive or adhesive tape adheres to the movable rod, while the other side of the adhesive or adhesive tape preferably has a slightly lower adhesive force and thus can be easily removed from the underlying web or film web.
  • the gripping and / or handling device may optionally be an integral part of the device or the packaging machine.
  • a freely movable gripping and / or handling device which can be arranged, for example, on a cantilever arm of a standing next to the machine multi-axis robot. Both variants fulfill their intended purpose, provided that they are movable in the desired manner between the respective end positions required for their function and provided that their clamping and holding action can be controlled in the required manner.
  • the gripping and / or handling device can optionally also be arranged on a suitable gantry robot. These mentioned robots can, for example, a have interchangeable tool head or be designed as separate devices.
  • the gripping and / or handling device is coupled to the detection device and to the fixation and / or welding device in automatable and coordinated activation and / or motion control to form the automatically or automatable working and functioning roller change unit.
  • the movements of the gripping and / or handling device are controllable in the detection and positioning of the withdrawn from the new roll web within the packaging machine in dependence on the located on the new role markers; In addition, depending on their position, a respective rotational position of the roller is controllable.
  • both the tapping of the material web can be automated by a control circuit processes the signals of a detection device, which in turn recognizes marks on the outer circumference of the roller.
  • markings may be stickers or the like;
  • the markings can also be formed by imprints of the material web or the film, such as. Barcodes o. The like.
  • the full automation is given when, for example, only a new role is inserted, in the correct direction of unwinding, then the automated motion control the squeegee and then the automated welding takes place, after which an automated further operation can take place.
  • sensor devices may be provided for detecting print marks on the material web of a new roll, with the aid of which the film connections in the longitudinal or conveying direction can be exactly maintained.
  • the webs of material normally have printing, for example in the form of graphics and / or lettering
  • their further processing as packaging material requires that they can be conveyed and processed in the longitudinal direction in a positionally correct manner. Therefore, in order to ensure the desired exact film connections when changing roles, it makes sense to equip the material webs at appropriate locations with print marks or other markings that can be detected by a suitable sensor for print mark detection, so that based on the detected print marks the exact feed control of Material webs can be made.
  • the suction tube or the gripping and / or handling device can not only be adjusted in its intervals to the role, but also rotated, resulting in
  • the material web of the new roll before welding or during welding by means of the welding unit can be positioned very accurately in the longitudinal direction.
  • a handling device for roller replacement and / or change may optionally be preceded by a horizontal conveyor designed to transport new rollers, which extends into a working area of the handling device.
  • the invention further proposes a method for handling flat and / or sheet material wound on rolls and used as packaging material for packaging piece goods, packages or similar article compositions having the features of independent method claim 12.
  • an at least partially unwound and / or used up roller which is located in a packaging machine and there under rotating movement a material web with flat and / or sheet material for the packaging of cargo, containers, etc. is available to maintain a packaging company by a new or fresh role, in particular a similar role with flat and / or foil material replaced.
  • the packaging operation can be maintained during the roll change either continuously and largely without delay, which can be particularly supported by the fact that at least two installation positions for rolls are provided in the packaging machine, of which alternately the flat and / or sheet material is withdrawn, while the other , used roll can be changed and replaced with a new roll.
  • a continuous packaging operation can also be maintained by supporting a store into which a defined length of flat and / or sheet material can be conveyed, which is available for the later period of reel change, and for this purpose can be returned from the store.
  • the method according to the invention does not necessarily require such a continuous packaging operation, but equally refers to a discontinuous operation which can be interrupted briefly during a roll change.
  • Used rolls are removed to maintain the packaging company from at least one installation or assembly position in the packaging machine and replaced by a new role.
  • the used rolls can be used to maintain a largely continuous packaging operation optionally alternately from at least two different installation or Removed mounting positions of the packaging machine and each alternately exchanged for new roles with flat and / or foil material.
  • a new roll whose outer layer is pulled in the vicinity or in the region of its free end and connected to form a continuous web with a portion of a guided in a packaging line web or web portion, in particular welded or glued, possibly otherwise connected.
  • connection, welding or bonding of the material webs can be produced, for example, along a continuous or interrupted, transversely, diagonally or meandering to Materialabrollides extending connecting edge or more such connecting edges.
  • the joining of the material webs is carried out by detecting the material web drawn off from the respective new roll by means of a controllable gripping and / or handling device and moving it in the direction of the material web already leading into the packaging line and / or to a fixing and / or welding device, where the material webs are joined together, so that the promotion can continue in the machine.
  • the mentioned sheet or flat material which is wound on the respectively exchangeable rolls and which is unwound from the rolls within the packaging machine, normally serves as packaging material which is processed within the packaging machine, for example for packaging of packages with piece goods such as beverage containers or else For packaging larger units such as complete palettier Technologyen layers such Selfgutzzusammen einen or even of pallets with stacked cargo or bundle layers.
  • the packaging material may in particular be a shrinkable film under heat, with which the article compositions or containers are held together tightly.
  • Each roller is associated with a suitable holding and unwinding device, each forming part of a packaging machine. Since the rollers have to be changed at regular intervals during operation, but are located in a relatively inaccessible area of the packaging machine, it is important to ensure both the roller guide and the accessibility to allow an automatable role change, as in the present Connection is explained in more detail.
  • the material web provided by the new roll can be pulled off the roll by means of the gripping and / or handling device operating with pneumatic suction pressure.
  • This variant enables an automated roll and material web change under Maintaining a largely uninterrupted packaging operation, possibly even while maintaining a temporarily interrupted packaging operation, without having to intervene supportive manual, especially when feeding the web start of a new roll to a welding unit, where they are connected to the material web still in the machine or is welded.
  • the method may provide that the material provided by the new roll material web withdrawn by means of automatically moving and controlled in their holding and / or detention activities gripping and / or handling device of each new role and each to its intended position for adhesive connection with the already moving into the packaging material web and / or the fixing and / or welding device is moved.
  • the mentioned, automatically controllable and movable gripping and / or handling device can be formed in particular by a controllable within the packaging machine and / or rotatable about its longitudinal axis suction or suction tube, which is brought to the newly inserted role, so that to produce a Suction pressure of the material web beginning or the beginning of the film detected, gripped and can be promoted to a welding bar o. The like.
  • the gripping and / or handling device can also be formed by at least one clamping strip or a clamping tube or the like.
  • the gripping and / or handling device can be formed by at least one statically chargeable element, with which the film or material web can be handled, recorded and guided.
  • the gripping and / or handling device may be formed by at least one simple tube or rod element with which the foil or material web equipped with double-sided adhesive or adhesive tape can be handled, grasped and guided, as is has already been explained above.
  • the new roll material web withdrawn by means of automatically moving and controlled in their holding activities gripping and / or handling device of the roll and each leading to their intended position for adhesive connection with the already in the packaging line Material web and / or be moved to the fixing and / or welding device.
  • an automatable method for handling the webs and repeated roll changes while maintaining a continuous or quasi-continuous Material transport of the flat or sheet material provided in the packaging machine.
  • the controllable gripping and / or handling device by at least one controlled within the packaging machine adjustable and / or rotatable about its longitudinal axis suction instrument, in particular by at least one controllably adjustable and / or rotatable about its longitudinal axis suction bar is formed.
  • the method makes it possible to detect and extract the respective free end region of the flat and / or foil material of the respective new roll by means of a multiplicity of suction parts distributed over the suction instrument or via the suction rod, in that the suction parts acted upon in each case with negative pressure Suck in the film or material web, allow it to adhere and thus make it possible to record and handle it.
  • one or more of the suction sections are each assigned a valve and / or a throttle, with a suction section designable as a functional attachment being in operative connection with the valve or the throttle, so that the respective valve is open to release a negative pressure and / or the throttle is controlled to the variable application of negative pressure when the respective functional attachment or the suction part is in communication with the suction instrument.
  • the functional attachments or the suction sections can optionally be removable or removable, it is also useful to close the respective valve with the functional attachment removed and to deactivate the respective suction section, or to control the throttle to reduce the negative pressure.
  • the controllable gripping and / or handling device with a detection device for detecting the free end of the outer layer of flat and / or sheet material of the respective new role and / or to capture on the new role attached and / or applied markers cooperates and / or controlled in dependence on their sensor signals.
  • This detection device may, for example, comprise one optical sensor or a plurality of optical sensors or electromagnetic sensors, inductive sensors or similar or differently operating sensors, so that the detection device is able to detect and apply markings attached to and / or applied to the new roller To recognize and process position, orientation and / or angular position with respect to a total extent of the new role.
  • the role can be turned into the correct position for detecting the material web or film beginning when removing the outermost layer by means of the controllable gripping and / or handling device or the controllable Saugrohrbalkens. Since the role must be at least slightly rotated for the removal of the outer film or sheet, an electric motor drive of the film mandrel of the machine on which the hollow core of the roller rotatably seated, makes sense.
  • the markings which may have been applied during assembly of the rolls or subsequently applied, at least indicate the position and / or orientation of the free end to be detected by means of the controllable gripping device or define its outer layer of the material web.
  • the markings may, for example, also consist of a printing of the material web or be incorporated into such a printing.
  • the detection device checks the respective rotational position of the roller based on the markings on the roller and / or the material web and / or based on an orientation of an outer layer of the material web with its free end and preferably rotates the role in the respective required angular position, so that the suction bar the Capture and peel off film or material web beginning and can convey to a welding bar or a connecting unit for fixing the new material web to the material web still in the machine.
  • the method in which at least one optical marking and in particular at least one reflective marking were applied to a lot of new roles in the region of their free ends, allows detection by means of the detection device, which detects the direction of rotation and / or direction of orientation of the new role and / or checked.
  • a variant of the method provides that the movements of the gripping and / or handling device in the detection and positioning of the withdrawn from the new roll web within the packaging machine depending on the located on the new role markers and depending on their position respective rotational position of the roller are controlled, which allows an automated picking and moving the web within the machine.
  • a correspondingly configured control circuit processes the signals of a detection device, which in turn for the detection of the markings is prepared on the outer circumference of the roll.
  • markings may be stickers or the like.
  • the markings can also be an imprint of the material web / foil, eg a barcode or the like.
  • the method in its most extensive expansion stage enables full automation, in which only automatically or possibly also manually supported a new roll is inserted, and more correctly Rolling direction, then the automated motion control of the squeegee or the gripping and / or handling device, and then the automated welding of the webs, which can be followed by the automated continued operation of the entire packaging system.
  • the roll with flat and / or sheet material is centered in a state fixed and / or clamped on the rotatable mandrel by a suitable axial guide device.
  • the rotatable mandrel for accommodating a roller, the axial guiding device and the roller with flat and / or foil material fixed and / or clamped on the mandrel can preferably be adjustable and / or centerable together in operation in the longitudinal extension direction of the mandrel.
  • the mandrel guide is coupled to the axial guide means, that is, the mandrel moves in its axial direction together with the axial guide means.
  • the mandrel maintains its position during operation, while only the axial guide device is movable parallel to the axial direction of the mandrel.
  • the aforementioned welding unit for automatic and / or semi-automatic connection of a film or flat material end is prepared with a material start a newly inserted role and controllable together with the rotational drive of the web rolls and the movement drive the gripping and / or handling unit to the automated roll change to enable.
  • the detection or sensor device an optical sensor such as a light barrier, a camera with downstream image analysis o.ä. includes, which is signal and / or control technology coupled at least with the motor drive for the gripping and / or handling device and for the gripping mechanism.
  • FIGS. 1 to 15 identical reference numerals used. Furthermore, for the sake of clarity, only reference symbols are shown in the individual figures, which are required for the description of the respective figure.
  • the illustrated embodiments are merely examples of how the device or method of the invention may be configured and are not an exhaustive limitation.
  • FIG. 1 shows a section of a variant of a packaging machine 10, as it can be used for packaging piece goods, containers or similar article compositions with serving as a packaging film and / or flat material. Shown is a part of a device 12, the handling of wound on rolls 14 flat and / or sheet material and their processing by wrapping or partially wrapping of piece goods, containers or article compositions not shown here is used.
  • the flat and / or sheet material provided on the rolls 14 for the packaging machine 10 may, for example, be formed by shrink film or other suitable sheet material. According to the in Fig.
  • the rollers 14 can, for example, be transported upright on pallets 16 and provided so that they reach the reach of a handling and / or feeding device 18 which is formed, for example, by a multi-axially mobile, stationary or articulated-arm robot 20 movable on a plane can be.
  • This handling and / or feeding device 18 or the articulated robot 20 has a suitable roller gripper 22 at its free end, with which it receives individual rollers 14 from the pallets 16 and inserted into an intended installation position EB1 and / or EB2 in the packaging machine 10 can.
  • a receptacle 24 for used rolls or roll cores are available, which can be removed if necessary.
  • FIG. 2 As the perspective detailed views of Fig. 2 can be seen, at least two separate mounting positions EB1 and EB2 for each roll 14 or 15 are provided with it wound flat and / or sheet material 26 within the packaging machine 10.
  • Each new roller 14 is by means of the articulated robot 20 (see. Fig. 1 ) movably arranged roll gripper 22 (see. Fig. 1 ) is inserted into the respective installation position EB1 or EB2, wherein care should be taken in each case that the rollers 14 are used in the correct unwinding direction.
  • Spent rollers 15 are each removed from the installation position EB1 or EB2 and replaced by new rollers 14. It should be emphasized at this point, however, that the packaging machine 10 deviates from the representation in the FIGS. 2 to 8 optionally only one such installation position EB1 or EB2 may have, optionally in combination with a film storage o. Not shown here o. The like., If the maintenance of a continuous packaging operation during a roll change is desired.
  • the schematic view of Fig. 2 indicates an operating state in which the roller 15 located in the first installation position EB1 is almost consumed, while in the second installation position EB2 no new roller 14 has yet been used.
  • the schematic view of Fig. 3 shows an operating state in which the roller 15 located in the first installation position EB1 is almost consumed, while in the second installation position EB2 a new roller 14 has already been used.
  • a horizontal holding mandrel 28 is provided at the installation positions EB1 and EB2, respectively, which serves for the rotational and / or rotationally driven and / or braked receiving and supporting of the rollers 14, 15.
  • the rollers 14, 15 are each slid with their hollow cylindrical cores and clamped or fixed so that the thereon flat or sheet material 26 in the in the Figures 2 and 3 transported direction 30 transported in the packaging machine 10 and can be continuously fed to a packaging area, not shown here.
  • the reference numeral 32 denotes in the Figures 2 and 3 a fixing and / or welding device comprising a vertically movable welding bar 34, with which the material webs 26 of different rollers 14 and 15 connected to each other at a connection or joint, in particular can be welded under heat, so that an endless operation for the endless supplied material webs 26 is possible.
  • a fixing and / or welding device comprising a vertically movable welding bar 34, with which the material webs 26 of different rollers 14 and 15 connected to each other at a connection or joint, in particular can be welded under heat, so that an endless operation for the endless supplied material webs 26 is possible.
  • the material webs 26 pass through the fixing and / or welding device 32 during the entire conveying operation, which allows in cooperation with the vertically movable and activatable if necessary welding bar 34 the desired endless operation.
  • Fig. 3 recognizable new roll 14 has at its outer material web layer 36 in this context an optional optical mark 38 to be understood, which can be recognized with a likewise to be understood as equipment option detection device 40, which in the embodiment ( Figures 2 and 3 ) is formed by two cameras 42 with downstream image evaluation 44, which cooperate with a control circuit 46 only indicated here, which influences the rotational movements of the retaining mandrels 28, either by electromotive drive or motorized and / or by braking assisted deceleration of a rotational movement.
  • Corresponding drives and / or brakes for the rotatably mounted retaining mandrels 28 may be located in their support sections 48 or also next to them (not shown).
  • the control circuit 46 can, based on the position data supplied by the cameras 42 and the image evaluation 44 for the optical marking 38, the exact rotational position of a newly inserted and on the retaining mandrel 28 - Fig. 3 regarding the right arranged second installation position EB2 - determine and position by targeted drive of the retaining mandrel 28 the roller 14 so that the outer material web layer 36 at the material edge 50 of its free end by means of a in Fig. 4 schematically indicated and described in more detail in the following figures controllable gripping and / or handling device 52 can be detected.
  • This gripping and / or handling device 52 is used to handle and move the outer layer 36 of the web 26 of the new roll 14 to the fixing and / or welding device 32, where they then with the leading into the machine 10 web 26, the still of the almost spent roll 15 has been unwound, connected and the residual web remaining on this roll 15 is separated from the material web 26 leading into the machine 10.
  • FIG. 4 The schematic perspective view of Fig. 4 essentially illustrates a process phase in which the material edge 50 of the outer layer 36 of the new roll 14 placed in the second installation position EB2 has been pulled off to the left.
  • a movably controllable arm of the gripping and / or handling device 52 has the outer web layer 36 pulled to the left and moved under the welding bar 34 of the welding device 32, which can then be lowered and activated in cooperation with the welding device 32 to a linear welding with that of the old roller 15, which is positioned in the first installation position EB1, withdrawn and into the packaging machine 10 (see. Fig. 1 ) conveyed material web 26 (conveying direction 30 to the right comp. Fig. 2 ).
  • the material web 26 leading to the right into the machine 10 is separated from the almost used roll 15 so that it can subsequently be removed from the device 12 by being pulled off the mandrel 28.
  • each roller 14, 15 can only have exactly one unwinding direction, since the material web 26 is withdrawn from the left roll 15 (installation position EB1) on its underside by the roller 15 rotates in left rotation, while the material web 26 from the right roll 14 (installation position EB2) is pulled off at the top by this new roller 14 also rotates in left-hand rotation; see the direction of rotation arrows in Fig. 4 ,
  • the device 12 can be operated continuously, without the - not shown here - packaging process and the conveying process of the web 26 for the replacement of a new roll 14 and / or for the removal having to interrupt a spent roll 15.
  • FIG. 5 illustrates a new role 14 with it wound flat and / or sheet material 26 (see. Fig. 5 ) and a useful variant for the arrangement of the optical markings 38 in the region of the material edge 50 of the outer material web layer 36 (cf. Fig. 4 ).
  • the optical markings 38 can be formed, for example, by adhesive labels 54 provided with reflective and / or optically decodable information, which can optionally be used during assembly and / or production of the rollers 14 are applied or subsequently glued in preparation for the assembly of the device 12 according to the invention by operating personnel.
  • the optical markings 38 or adhesive labels 54 also fulfill a marking function since they make it possible to adjust the exact rotational position of the roller 14 with the aid of the cameras 42 of the detection device 40 so that the suction tube 56 approaching the roller 14 in the adjustment direction 58 (cf. Fig. 7 ) can detect the material edge 50 of the outer material web 36 and the outer web 36 can be deducted by overcoming the adhesive forces of the adhesive labels 54 of the roller 14.
  • the schematic perspective view of Fig. 6 and the schematic side view of Fig. 7 show in further illustrations a phase of the roll change in which the left-hand roll 15 located in the first installation position EB1 almost unwound and its previously wound thereon flat material 26 still in the conveying direction 30 in the packaging machine 10 (see. Fig. 1 ) is guided in order to be used there for the wrapping of piece goods, containers o. Like. Article compilations.
  • the new roller 14 located in the second installation position EB2 is already prepared for a material web change by passing its outer material web layer 36 through Detection of the material edge 50 detected by the gripping and / or handling device 52 and pulled a piece far from the roller 14 and below the welding bar 34 of the fixing and / or welding device 32 (see. Fig. 4 ) was moved to the left, ie in the direction of the almost used roll 15.
  • the gripping and / or handling device 52 is formed in this embodiment by a suction tube 56 which is capable of detecting the material provided by the new roll 14 web 26 by means of pneumatic suction pressure and deduct.
  • the suction pressure applied to numerous openings which are distributed over the length of the suction tube 56 and over its circumference must be strong enough in this case not only to grasp the material web 26 in the vicinity of the material edge 50, but also to pull it off while the roller 14 is resting on the material Retaining mandrel 28 to turn.
  • the suction pipe 56 can, for example, in the in the FIGS. 11 to 15 be shown shown shown manner.
  • roller 14 it may also be useful to rotate the roller 14 by motor drive of the retaining mandrel 28 in accordance with the approximately horizontal withdrawal movement of the suction tube 56 in the direction of the other roller 15 and thus facilitate the removal movement or support ,
  • the gripping and / or handling device 52 designed as a suction tube 56 in the exemplary embodiment shown can also be formed by suitable clamping elements or the like, with which the outer layer 36 of the new roll 14 (in FIG Fig. 6 and Fig. 7 each in the installed position EB2) detect and deduct from the roller 14, this peeling operation is preferably supported by actively rotating the motor-driven holding mandrel 28.
  • the Fig. 7 allows not only the approximately horizontally extending positioning directions 58 of the suction tube 56 of the gripping and / or handling device 52 detect, but also the suction tube 56 as required executable rotational movements 60 about its longitudinal axis.
  • the movement guide of the suction pipe 56 is in the FIGS. 4 . 6 and 7 not shown in detail; the suction tube 56 may be suspended, for example, on a slide guide o.
  • Conceivable as drives for such a slide guide are, for example, electric motor driven chain or belt transmissions, hydraulic or pneumatic linear guides o. The like. More.
  • the suction tube 56 can be slowly approached in the adjustment direction 58 to the roller 14 after the roller 14 has been properly aligned, until a slightly increased resistance signals that the Suction tube 56 has contacted the roller 14. In this position, the suction pipe 56 can detect the material edge 50 of the outer material web 36 while forming or reinforcing a suction pressure and pull the outer web 36 from the roll 14, overcoming the adhesive forces of the adhesive labels 54.
  • the outer material web 36 is wound by rotation of the suction tube 56 in the direction of rotation 60 on this and withdrawn simultaneously by a peeling movement in the adjustment direction 60 of the roller 14, preferably supported by a motor rotation of the retaining mandrel 28 on which the roller 14 is clamped.
  • the suction pipe 56 not only in Adjusted longitudinal direction 58, but also in the direction of rotation 60 are rotated (see. Fig. 7 ), whereby the material web 36 of the new roll 14 can be positioned very accurately in the longitudinal direction before welding or during welding by means of the welding unit 32.
  • FIG. 8 show in a total of fifteen pictures ( 8A to 8O ) successive process steps of the roll change within the device 12 according to the invention (cf. Fig. 1 ).
  • the removal of the material web 26 takes place in each case in the case of both rolls 14 and 15 from above, so that the left roll 14 or 15 (EB1) is unwound in a clockwise direction while the right roll 15 or 14 (EB2 ) is handled in left turn.
  • the Fig. 8A illustrates the feeding of the material web 26 in the conveying direction 30 via the roller 15 located in the right installation position EB2, which is unwound in left-hand rotation.
  • the material web 26 is guided over a lower deflection roller 64.
  • the suction tube 56 and the welding bar 34 are each inactive.
  • the available in the left mounting position EB1 new roll 14 is not yet activated, that is not yet connected to the guided into the packaging machine web 26.
  • the suction tube 56 moved to the left detects the outer material web layer 36 (FIG. Fig. 8B ), this pulls under rotation of the roller 14 in a clockwise rotation under the welding bar 34 in the direction of the right roller 15 (FIG. Fig. 8C ), after which the welding bar 34 is lowered in order to weld and connect the material webs 26 ( Fig. 8D ).
  • the web 26 of the right spent roll 15 can be separated from the web 26 fed into the machine. This separation can, for example, with a in Fig.
  • this separator 66 can also ensure that the leading to the right roll 15 loose web portion 68 is either separated from the roll 15 or rewound by rewinding on this roll 15 ( Fig. 8F ), to cause no interference when removing the used roll 15 from the retaining pin 28 of the second mounting position EB2, for example. By tangling in machine parts.
  • the left roll 14 is the active roll from which the material web 26 serving as packaging material for the machine is unwound ( Fig. 8G ), so that the used roll 15 in the second installation position EB2 can be replaced by a new roll 14 ( Fig. 8H ). Since now the left roll is gradually unwound in the first installation position EB1, this roll is referred to below as a used roll 15 ( Fig. 8I ), while the right-hand roller in the second mounting position EB2 is called a new roller 14, analogous to the situation according to FIG Fig. 8B again the suction tube 56 is set ( Fig.
  • FIG. 9 and 10 show an alternative embodiment of the movably suspended suction tube 56 of the gripping and / or handling device 52, which / serves the removal of the outer material web layer 36 in the region of the material edge 50 of the new roll 14.
  • a machine-fixed suspension of the suction tube 56 this is in this variant on the movable arm of a articulated robot 20, which may be either the same articulated robot 20, which is already in the Fig. 1 is shown.
  • a suitable changing device is required to the in Fig. 1 shown roller gripper 22 when needed against the in Fig. 9 and in Fig. 10 To replace shown intake manifold 56 can.
  • Knickarmroboters 20 also be a separate robot, which is also set up, it being important to ensure that it does not correspond with any existing handling or feeding device 18 for new roles 14 and for removing used rolls 15 accordingly Fig. 1 can collide.
  • the suction tube 56 is movable by the movement possibilities of the articulated robot 20 both in a horizontal or slightly oblique direction in order to deduct the web 26 of the roller 14 can.
  • the suction tube 56 can be rotated as needed, which is indicated by the reference numeral 60.
  • the variant shown does not differ in terms of its function and the sequence of movements when changing roles from the variants already shown FIGS. 1 to 8 ,
  • FIGS. 11 to 15 shown embodiments of the suction tube 56 also on an adjusting device 58 according to the FIGS. 2 to 7 or on a articulated-arm or handling robot 20 according to Fig. 9 and Fig. 10 can be arranged.
  • FIGS. 11 to 15 The following in the FIGS. 11 to 15 Also referred to as Sauginstrument 55 gripping and / or handling device 52 is in the FIGS. 11 to 15 shown on the example of the equipped with several functional attachments 70 suction bar 56.
  • the suction instrument 55 and the suction rod 56 is reciprocally movable between the two installation positions EB1 and EB2 and alternately pulls free end portions 50 of new rollers 14 in the first or second installation positions EB1 and EB2, respectively.
  • the rollers 14 Depending on the width of the flat and / or foil material 26, the rollers 14 have a certain depth T (cf. Fig. 3 ).
  • Rollers 14 and 15 with different depths T find use, since the suction instrument 55 and the suction rod 56 can be adapted to the respective depth T.
  • the suction instrument 55 or the suction rod 56 has a plurality of suction parts 72, via which for gripping a free end region 50 (see. Fig. 3 and Fig. 4 ) of flat and / or sheet material 26 each have a negative pressure can be released.
  • the suction instrument 55 and the suction rod 56 from the embodiment according to Fig. 11 has a square cross-section.
  • the suction parts 72 are each assigned a functional attachment 70 and a valve, which, however, can not be seen in the figures.
  • Each functional attachment 70 is in operative connection with a valve in such a manner that, in the case of a mechanical connection of the functional attachment 70 with the suction instrument 55 or the suction rod 56, the valve releases a valve Vacuum is open. If a roller 14 or 15 has a small depth T (cf. Fig. 3 ), so individual suction parts 72 are not needed to detect a free end portion 50 of flat and / or sheet material 26 with negative pressure. If this is the case, then the functional attachment 70 of the respective suction section 72 can be removed from the suction instrument 55 or suction rod 56 or, alternatively, only deactivated.
  • the operative connection between the respective functional attachment 70 and the respective valve is in this case such that the valve closes when the functional attachment 70 is removed and no negative pressure can be released via the respective suction section 72.
  • the suction section 72 remains inoperable until, if necessary, the respective functional attachment 70 is again connected to the suction instrument 55 or the suction rod 56.
  • the suction instrument 55 and the suction rod 56 can therefore on rollers 14, 15 with different depths T (see. Fig. 3 ) are adjusted respectively.
  • the suction instrument 55 is coupled to a carriage 74, which is in connection with a linear guide 76 or guided there .
  • the horizontal and vertical displacement of the suction 55 is aktorisch, for example. Electromotive or hydraulically effected.
  • the suction instrument 55 does not have the aforementioned valves, so that in each case a negative pressure on the suction parts 72 is released when the functional attachments 70 are not in communication with the suction instrument 55.
  • the respective functional attachment 70 can then be connected to the suction instrument 55 and assigned to a respective suction section 72. If the functional attachment 70 is connected to the suction instrument 55, a negative pressure, which is released via the respective suction section 72, can be reduced or adapted via the functional attachment 70 and / or directed in a specific direction to the flat and / or foil material 26 targeted to detect a respective role 14 and 15 respectively.
  • a negative pressure which is released via the respective suction section 72
  • the functional attachment 70 as well as in FIGS. 12 and 13 shown to be formed as a flexible bellows, which is in contact with the flat and / or sheet material 26 during fixation or gripping via negative pressure. Also, such embodiments support a targeted gripping of the flat and / or sheet material 26, wherein the risk of unintentional release of the flat and / or sheet material from the suction instrument 55 is still low.
  • FIG. 12 shows an embodiment of the suction instrument 55, as it can be used for various embodiments of the device 10 according to the invention.
  • the embodiment of the suction instrument 55 or suction rod 56 corresponds to the embodiment according to Fig. 11 ,
  • the Fig. 12 In addition, it can be seen that the suction instrument 55 for each of the suction sections 72 forms a pocket 78 into which the functional attachments 70 can be inserted.
  • the pockets 78 are milled into the suction instrument 55 and the suction rod 56.
  • the suction instrument 55 also forms a flange section 80, via which a bearing and fastening on the carriage 74 (cf. Fig. 11 ) is possible.
  • the Fig. 13 shows a perspective longitudinal section through the suction instrument 55 according to Fig. 12 , In longitudinal section of the Fig. 13 Now, the line system 82 can be seen, which supplies the vacuum supply for the suction sections 72.
  • the individual functional attachments 70 form a separate channel in order to release negative pressure for gripping sheet-like film and / or strip material 26.
  • the suction parts 72 are fluidly linked in series with each other and can thus be supplied at least approximately simultaneously with the same negative pressure.
  • the Fig. 14 shows a schematic perspective view of another embodiment of the Sauginstrumentes 55, as may be provided for various embodiments of a device 10 according to the invention.
  • the suction instrument 55 of the embodiment according to Fig. 14 is formed as a suction rod 56 and has a plurality of suction parts 72, by means of which a negative pressure can be released in each case.
  • the functional attachments 70 corresponding to the suction instrument 55 from the embodiment of FIGS. 11 to 13 are also according to the suction instrument 55 Fig. 14 intended.
  • the functional attachments 70 are in operative connection with one valve in each case, so that when the respective functional attachments 70 are mechanically connected to the suction instrument 55, a negative pressure can be released via the corresponding valve. If a function attachment 70 is removed from the suction instrument 55, the associated valve closes. A negative pressure can then no longer be released via the respective suction section 72 until the corresponding function attachment 70 is again connected to the suction instrument 55.
  • a flange portion 80 is shown. About this flange 80, the suction instrument 55 and the suction rod 56 with the carriage 74 (see. Fig. 11 ) get connected.
  • the suction instrument 55 and the suction rod 56 of the embodiment of Fig. 14 has a circular cross-section.
  • the Fig. 15 finally shows a longitudinal section through the suction instrument 55 according to Fig. 14 ,
  • the suction instrument 55 and the suction rod 56 has a conduit system 82, with which the suction parts 72 are connected in series.
  • the functional attachments 70 each terminate flush or at least approximately flush with an outer circumferential surface of the suction instrument 55 or suction rod 56.
  • the conduit system 82 is closed at its free end so as not to allow any negative pressure to escape.
  • throttles can also be used which, while the functional attachments have been removed, do not normally completely shut off the negative pressure, but nevertheless ensure a reduction in the negative pressure, so that only a small amount of air is sucked in there.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (14)

  1. Dispositif (12) de manipulation de matériau plat et/ou en film (26) enroulé sur des rouleaux (14, 15), comprenant
    - au moins une position de montage (EB1; EB2) qui est prévue pour recevoir en rotation des rouleaux (14, 15) comprenant du matériau plat et/ou en film (26),
    - au moins un moyen de couplage pour relier des zones d'extrémité libres (50) de matériau plat et/ou en film des rouleaux (14, 15) dans ladite au moins une position de montage (EB1, EB2), à du matériau plat et/ou en film (26) qui est guidé à l'intérieur du dispositif (12) à des fins d'emballage,
    caractérisé par le fait que le dispositif comprend en outre:
    - au moins un instrument d'aspiration (55) ayant au moins une pièce rapportée par l'intermédiaire de laquelle une pression négative peut être appliquée au matériau plat et/ou en film (26) pour saisir la zone d'extrémité libre (50) de matériau plat et/ou en film (26), dans lequel
    - ledit instrument d'aspiration (55) présente une pluralité de parties d'aspiration (72) réparties sur l'instrument d'aspiration (55), qui peuvent chacune être alimentées en pression négative.
  2. Dispositif selon la revendication 1, dans lequel l'instrument d'aspiration (55) forme un dispositif de préhension et/ou de manipulation (52) qui est réglable de manière commandée et/ou peut tourner autour de son axe longitudinal à l'intérieur de la machine d'emballage (10) et qui est destiné à saisir, au moyen de pression d'aspiration pneumatique, la bande de matériau (26) fournie par un rouleau (14) nouvellement inséré.
  3. Dispositif selon la revendication 1 ou 2, dans lequel l'instrument d'aspiration (55) est formé par une barre d'aspiration (56) qui est réglable de manière commandée et/ou peut tourner autour de son axe longitudinal à l'intérieur de la machine d'emballage (10) et qui est destinée à saisir, au moyen de pression d'aspiration pneumatique, la bande de matériau (26) fournie par le nouveau rouleau (14), ou comprend une telle barre d'aspiration (56).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, dans lequel à au moins une partie d'aspiration (72) est associée une pièce rapportée fonctionnelle (70) qui est en liaison active avec la partie d'aspiration (72) respective et peut être retirée de l'instrument d'aspiration (55), dans lequel la pression négative qui peut être libérée par la partie d'aspiration (72) respective peut être influencée en intensité et/ou en orientation au moyen de ladite pièce rapportée fonctionnelle (70) associée.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, dans lequel au moins une pièce rapportée fonctionnelle (70) fournit une surface de contact pour le matériau plat et/ou en film (26) et est réalisée, au moins proportionnellement, de manière souple et, de préférence, en matière plastique, en particulier en tant que soufflet souple.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, dans lequel l'instrument d'aspiration (55) fournit, au niveau d'une ou de plusieurs parties d'aspiration (72) respective(s), respectivement une poche (78) dans laquelle la pièce rapportée fonctionnelle (70) respective est reçue.
  7. Dispositif selon l'une quelconque des revendications 4 à 6, dans lequel la pièce rapportée fonctionnelle (70) respective est retenue de manière amovible, par l'intermédiaire de liaisons à vis et/ou par emboîtement, sur l'instrument d'aspiration (55).
  8. Dispositif selon l'une quelconque des revendications 1 à 7, dans lequel, pour la transmission commune d'une pression négative, ledit au moins un instrument d'aspiration (55) fournit un système de conduite (82) auquel lesdites plusieurs parties d'aspiration (72) sont couplées en série.
  9. Dispositif selon l'une quelconque des revendications 1 à 8, dans lequel respectivement une soupape et/ou un dispositif d'étranglement est associé(e) à une ou à plusieurs des parties d'aspiration (72), la pièce rapportée fonctionnelle (70) étant en liaison active avec la soupape ou bien le dispositif d'étranglement de sorte que la soupape respective est ouverte pour libérer une pression négative et/ou le dispositif d'étranglement est commandé pour une alimentation variable en pression négative lorsque la pièce rapportée fonctionnelle (70) respective est en communication avec l'instrument d'aspiration (55), et dans lequel, lorsque la pièce rapportée fonctionnelle (70) est retirée, la soupape respective est fermée et la partie d'aspiration (72) respective est désactivée ou bien le dispositif d'étranglement est commandé pour réduire la pression négative.
  10. Dispositif selon l'une quelconque des revendications 1 à 9, dans lequel l'instrument d'aspiration (55) fournit, au niveau d'une ou de plusieurs parties d'aspiration (72) respective(s), une poche (78) respective dans laquelle la pièce rapportée fonctionnelle (70) respective est reçue.
  11. Dispositif selon l'une quelconque des revendications 4 à 10, dans lequel la pièce rapportée fonctionnelle (70) respective est retenue de manière amovible, par l'intermédiaire de liaisons à vis et/ou par emboîtement, sur l'instrument d'aspiration (55).
  12. Procédé de manipulation de matériau plat et/ou en film (26) qui est enroulé sur des rouleaux (14, 15) et fait fonction de matériau d'emballage pour l'emballage de produits de détails, de multipacks ou d'ensembles d'articles similaires, dans lequel, pour maintenir une opération d'emballage, un rouleau (15) au moins en partie déroulé et/ou épuisé est prélevé sur au moins une position de montage (EB1; EB2) d'une machine d'emballage (10) et est remplacé respectivement par un nouveau rouleau (14) comprenant du matériau plat et/ou en film (26) par le fait que, après un positionnement respectif d'un nouveau rouleau (14), sa couche (36) située extérieurement de matériau plat et/ou en film (26) est retirée à proximité ou au niveau de son extrémité libre (50) au moyen d'un dispositif de préhension et/ou de manipulation (52) déplaçable formé par un instrument d'aspiration (55) et, pour former une bande de matériau (26) ininterrompue, est reliée de manière adhésive à une portion d'une bande de matériau (26) guidée dans une chaîne d'emballage, dans lequel la bande de matériau (26) retirée du rouleau (14) respectivement nouveau est saisie au moyen du dispositif de préhension et/ou de manipulation (52) commandable formé par ledit instrument d'aspiration (55) et est déplacée vers la bande de matériau (26) menant déjà dans la chaîne d'emballage et/ou vers un dispositif de fixation et/ou de soudage (32), et dans lequel la zone d'extrémité libre (50) de matériau plat et/ou en film (26) du nouveau rouleau (14) respectif est saisie et retirée au moyen d'une pluralité de parties d'aspiration (72) reparties sur l'instrument d'aspiration (55), dans lequel lesdites parties d'aspiration (72) sont chacune alimentées en pression négative.
  13. Procédé selon la revendication 12, dans lequel la bande de matériau (26) fournie par le nouveau rouleau (14) est retirée du rouleau (14) respectivement nouveau au moyen du dispositif de préhension et/ou de manipulation (52) déplacé de façon automatisée et commandé en ses activités de maintien et/ou d'adhésion, ou bien au moyen de l'instrument d'aspiration (55), et est déplacée respectivement sur sa position prévue pour être reliée de manière adhésive à la bande de matériau (26) déjà guidée dans la chaîne d'emballage et/ou vers ledit dispositif de fixation et/ou de soudage (32).
  14. Procédé selon la revendication 12 ou 13, dans lequel respectivement une soupape et/ou un dispositif d'étranglement est associé(e) à une ou à plusieurs des parties d'aspiration (72), la pièce rapportée fonctionnelle (70) étant en liaison active avec la soupape ou bien le dispositif d'étranglement de sorte que la soupape respective est ouverte pour libérer une pression négative et/ou le dispositif d'étranglement est commandé pour une alimentation variable en pression négative lorsque la pièce rapportée fonctionnelle (70) respective est en communication avec l'instrument d'aspiration (55), et, lorsque la pièce rapportée fonctionnelle (70) est retirée, la soupape respective est fermée et la partie d'aspiration (72) respective est désactivée ou bien le dispositif d'étranglement est commandé pour réduire la pression négative.
EP15786956.1A 2014-10-30 2015-10-28 Dispositif et procédé de manipulation de matériaux plats et/ou en feuille enroulés sur des bobines Active EP3212553B1 (fr)

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DE102014222166.8A DE102014222166A1 (de) 2014-10-30 2014-10-30 Verfahren und Vorrichtung zur Handhabung von auf Rollen gewickeltem Flach- und/oder Folienmaterial
DE102015208112.5A DE102015208112A1 (de) 2015-04-30 2015-04-30 Vorrichtung zum Umgang mit auf Rollen aufgewickeltem Flach- und/oder Folienmaterial
PCT/EP2015/075003 WO2016066695A1 (fr) 2014-10-30 2015-10-28 Dispositif et procédé de manipulation de matériaux plats et/ou en feuille enroulés sur des bobines

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EP3263468B1 (fr) 2016-06-27 2021-02-24 ULMA Packaging Technological Centre, S. COOP Procédé d'épissure et unité de raccordement de deux films d'emballage pour une machine d'emballage horizontale
CN106144711B (zh) * 2016-08-30 2018-01-23 长沙长泰机器人有限公司 塑料膜自动接膜系统
US10279608B2 (en) * 2016-09-28 2019-05-07 Océ Holding B.V. Method for loading a web; apparatus for handling a web
JP6725680B2 (ja) * 2016-11-02 2020-07-22 株式会社瑞光 シート繰出システムおよびシート繰出方法
DE102018131992A1 (de) * 2018-12-12 2020-06-18 Krones Aktiengesellschaft Verfahren und Vorrichtung zum Umgang mit zur Verpackung von Artikeln ausgebildetem Flach- und/oder Folienmaterial
DE102020204142A1 (de) * 2020-03-31 2021-09-30 Multivac Sepp Haggenmüller Se & Co. Kg Tiefziehverpackungsmaschine mit platzsparender Folienquelle

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IT1235976B (it) 1989-12-18 1992-12-15 Gd Spa Metodo e dispositivo per l'alimentazione ed il cambio di bobine in una macchina confezionatrice
JP2597293B2 (ja) * 1993-07-19 1997-04-02 株式会社トーキン フィルム引出しアーム及びフィルム引出し機構
JPH07101602A (ja) * 1993-10-05 1995-04-18 Kao Corp 自動導紙装置
DE102004026312A1 (de) 2004-05-26 2005-12-15 Krones Ag Folienspleißstation
DE102013110944A1 (de) 2013-10-02 2015-04-02 Krones Aktiengesellschaft Verfahren und Vorrichtung zum Wechseln von Trägereinheiten mit auf Vorratsrollen aufgewickeltem flächigem Verpackungsmaterial innerhalb einer Verpackungsmaschine

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EP3212551A1 (fr) 2017-09-06
WO2016066695A1 (fr) 2016-05-06
EP3212551B1 (fr) 2020-12-02
CN207890048U (zh) 2018-09-21
WO2016066617A1 (fr) 2016-05-06
CN208361475U (zh) 2019-01-11

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