EP3212551B1 - Procédé et dispositif de manipulation de matière en feuille enroulée sur des rouleaux - Google Patents

Procédé et dispositif de manipulation de matière en feuille enroulée sur des rouleaux Download PDF

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Publication number
EP3212551B1
EP3212551B1 EP15784966.2A EP15784966A EP3212551B1 EP 3212551 B1 EP3212551 B1 EP 3212551B1 EP 15784966 A EP15784966 A EP 15784966A EP 3212551 B1 EP3212551 B1 EP 3212551B1
Authority
EP
European Patent Office
Prior art keywords
suction
roll
material web
new roll
handling
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
EP15784966.2A
Other languages
German (de)
English (en)
Other versions
EP3212551A1 (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 EP3212551A1 publication Critical patent/EP3212551A1/fr
Application granted granted Critical
Publication of EP3212551B1 publication Critical patent/EP3212551B1/fr
Active legal-status Critical Current
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 method for handling film material wound on rolls with the features of independent method claim 1. Furthermore, the invention relates to a device for handling film material wound on rolls with the features of independent claim 10.
  • containers which comprise four, six or more containers.
  • 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 from one roll or from several rolls, convey it within a packaging machine and thus the individual containers or the respective Wrap articles that are to form the respective container with the packaging material.
  • the unwinding of the packaging material from the roll is usually done automatically and in a continuous process.
  • Devices are known in which the packaging material is drawn off the rotating roller via rollers. If a roll has been unwound and the supply of packaging material for the roll is exhausted, the respective roll must be exchanged or replaced with a new roll. However, such a roll change is associated with an undesirable interruption in the process of assembling and packaging containers.
  • FIG DE 40 40 545 A1 known A method and a device by means of which new rolls can be delivered and used rolls can be exchanged within a packaging machine are, for example, from FIG DE 40 40 545 A1 known.
  • This known device has several supply rolls with strip material, which are arranged next to one another. The core of each roller is placed on a common pin. A beginning of the strip material is previously connected to a roller which pulls the strip material off the respective roll and guides it in a downward direction away from the device. In order to be able to operate this known device and to unwind the material from the roll, the core of the roll must be placed on the pin in the direction of rotation. The strip material or the first layer of strip material must descend from above in the direction of the rollers.
  • Such a device with a film splicing station in which the film web is fed to a reel newly inserted into a packaging machine with the support of a holding device of a welding device, is from FIG DE 10 2004 026 312 A1 known.
  • the holding device can in particular be designed as a manually manageable terminal strip, with the help of which the beginning of the film is withdrawn from a new roll and made available to a transfer device that can ensure that the beginning of the film is fed to a welding device, by means of which the beginning of the film with an already in the Packaging machine located film web is welded.
  • the terminal strip is referred to there as an aid that is easy to handle manually and with which the film web can be brought into a suitable position. However, the terminal strip is loose, ie not connected to the machine or the welding device.
  • An at least partially automated method for changing roles and a corresponding device is from the DE 10 2013 110 944 A1 known.
  • the new film rolls to be fed to a packaging machine are each mounted on differently configured interchangeable carrier units, which can be inserted alternately in different installation positions in the packaging machine.
  • the Interchangeable carrier units are configured in such a way that the film sections can be automatically connected to one another in the machine.
  • the JP H07 101 602 A discloses a device for guiding a flat material web.
  • the device comprises a device by means of which an end region of the material web formed by cardboard can be gripped by means of arms and then moved away from the respective roll.
  • a primary aim of the invention is therefore to provide a device and a method for partially or fully automated handling of flat and / or film material wound on rolls, whereby the susceptibility of a packaging machine to malfunctions can be reduced.
  • the device according to the invention and the method according to the invention should simplify the handling of flat and / or film material and should be able to enable largely uninterrupted operation of a packaging machine even after a roll change.
  • the invention proposes a method for handling flat and / or film material, wound on rolls and used as packaging material for packaging piece goods, bundles or similar article assemblies, with the features of independent method claim 1.
  • an at least partially unwound and / or used up roll which is located in a packaging machine and there under rotating movement, a material web with flat and / or film material for the packaging of piece goods, bundles, etc. is used Makes available, replaced by a new or fresh roll, in particular a similar roll with flat and / or film material, to maintain a packaging operation.
  • the packaging operation can either be maintained continuously and largely without delay during the roll change, which In particular, this can be supported by providing at least two installation positions for rolls in the packaging machine, from which the flat and / or film material is alternately removed, while the other, used roll can be changed and exchanged for a new roll.
  • a continuous packaging operation can, however, also be maintained through the support of a store into which a defined length of flat and / or film material can be conveyed, which is available for the later period of a roll change and can be conveyed again from the store for this purpose.
  • the method according to the invention does not necessarily require such a continuous packaging operation, but rather relates equally to a discontinuous operation which can be briefly interrupted during a roll change.
  • Used rolls are removed from at least one installation or assembly position in the packaging machine and replaced by a new roll in order to maintain the packaging operation.
  • the used rolls can alternatively be removed alternately from at least two different installation or assembly positions of the packaging machine and exchanged alternately with new rolls of flat and / or film material.
  • its outer layer near or in the area of its free end is removed and connected to a section of a material web or a material web section fed into a packaging line to form an uninterrupted material web.
  • the material webs can for example be welded, spliced, glued to one another or possibly also connected in some other way.
  • a combination of these connection types is also possible.
  • connection, welding, splicing and / or gluing of the material webs can be produced, for example, along a continuous or interrupted connecting edge running transversely, diagonally or meandering to the direction of material unwinding, or several such connecting edges.
  • the joining of the material webs is carried out by gripping the material web withdrawn from the 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 so that the conveyance can continue into the machine.
  • the mentioned film or flat material which is wound onto the replaceable rolls and which is unwound from the rolls within the packaging machine, normally serves as packaging material that is processed within the packaging machine, e.g. for packaging containers with piece goods such as beverage containers or else For packing larger units such as complete palletizable layers of such piece goods assemblies or also of pallets with stacked piece goods or bundle layers.
  • the packaging material can in particular be a film that can be shrunk under the action of heat, with which the article combinations or bundles are firmly held together.
  • a suitable holding and unwinding device is assigned to each roll, each of which forms part of a packaging machine.
  • the material web provided by the new roll can be removed from the roll by means of the gripping and / or handling device operating with pneumatic suction pressure, mechanically clamping and / or electrostatically adhering.
  • other variants for handling the film webs or material webs are also conceivable, in particular mechanically adhesive variants, such as gripping the material web end by means of a simple rod, the film or material web roll previously being equipped with double-sided adhesive or adhesive tape so that one side of this adhesive or adhesive tape adheres to the movable rod, which in this case forms the gripping and / or handling device, while the other side of the adhesive or adhesive tape preferably has a slightly lower adhesive force and thus easily from the material web or Foil web can be pulled off.
  • All these variants enable an automated roll and material web change while maintaining a largely uninterrupted packaging operation, possibly also while maintaining a briefly interrupted packaging operation, without having to intervene manually, in particular when feeding the beginning of the material web of a new roll to a welding unit, where it is connected or welded to the web of material still in the machine.
  • the method can provide that the material web provided by the new roll is removed from the respective new roll by means of the automatically moved gripping and / or handling device controlled in its holding and / or adhesive activities and in each case in its intended position for adhesive connection with the is already moved into the packaging line leading material web and / or to the fixing and / or welding device.
  • the mentioned, automatically controllable and movable gripping and / or handling device can in particular be formed by a suction instrument or suction tube that is adjustable within the packaging machine and / or rotatable about its longitudinal axis, which is brought up to the newly inserted roller so that a Suction pressure, the beginning of the material web or the beginning of the film detected, gripped and conveyed to a sealing bar or 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, grasped and guided.
  • the gripping and / or handling device can be formed by at least one simple pipe or rod element with which the film or material web equipped with double-sided adhesive tape can be handled, grasped and guided, as in this case has already been explained above.
  • the material web provided by the new roll can thus be removed from the roll by means of the automatically moved gripping and / or handling device controlled in its holding activities and in each case at its intended position for adhesive connection with the one already leading into the packaging line Material web and / or to be moved to the fixing and / or welding device.
  • the automatically moved gripping and / or handling device controlled in its holding activities and in each case at its intended position for adhesive connection with the one already leading into the packaging line Material web and / or to be moved to the fixing and / or welding device.
  • the controllable gripping and / or handling device is controlled by at least one suction instrument that is adjustable within the packaging machine and / or rotatable about its longitudinal axis, in particular by at least one controlled adjustable and / or rotatable about its longitudinal axis suction rod is formed.
  • the method makes it possible to grasp and remove the respective free end area of the flat and / or film material of the respective new roll by means of a large number of suction parts distributed over the suction instrument or over the suction wand, in that the suction parts subjected to negative pressure the Suck in film or material web, let it adhere and thus enable it to be captured and handled.
  • a valve and / or a throttle can be assigned to one or more of the suction parts, with a suction part that can be referred to as a functional attachment being in operative connection with the valve or the throttle, so that the respective valve is opened to release a negative pressure and / or the throttle is controlled for the variable application of negative pressure when the respective functional attachment or the suction section is connected to the suction instrument.
  • the functional attachments or the suction parts can optionally be dismantled or removed, it is also useful to close the respective valve and deactivate the respective suction part or to control the throttle to reduce the negative pressure when the functional attachment is removed.
  • the controllable gripping and / or handling device with a detection device for detecting the free end of the outer layer of flat and / or film material of the respective new roll and / or for detecting on the new roll attached and / or applied markings interacts and / or is controlled as a function of their sensor signals.
  • This detection device can, for example, comprise an optical sensor or several optical sensors or electromagnetic sensors, inductive sensors or sensors that work similarly or differently, so that the detection device is able to detect and / or detect markings that have been applied to the new roll Recognize and process position, alignment and / or angular position in relation to a total scope of the new role.
  • the markings attached or applied to the new roll are detected by means of the mentioned detection device and their position, orientation and / or angular position are recognized and / or processed in relation to a total circumference of the new roll, so that the roll for capturing the beginning of the material web or film when pulling off the outermost layer by means of the controllable gripping and / or handling device or the controllable suction pipe bar in the correct position can be rotated. Since the roll has to be rotated at least slightly in order to pull off the outer film or material web, an electromotive drive of the machine's film mandrel, on which the hollow core of the roll rests, makes sense.
  • the markings which may have been applied or subsequently applied during the manufacture of the rolls, indicate at least the position and / or orientation of the free end of the material web to be grasped by means of the controllable gripping device, or define this.
  • the markings can, for example, also consist of printing on the material web or be incorporated into such printing.
  • the detection device checks the respective rotational position of the roll based on the markings on the roll and / or the material web and / or based on an alignment of an outer layer of the material web with its free end and preferably rotates the roll into the required angular position so that the suction bar the Capture and pull off the beginning of the film or material web and convey it to a sealing bar or a connecting unit for fixing the new material web to the material web that is still in the machine.
  • the method in which at least one optical marking and in particular at least one reflective marking was applied to a portion of the new rolls in the area of their free ends, enables detection by means of the detection device, which determines the direction of rotation and / or the orientation of the new roll conforming to the direction of rotation and / or checked.
  • a variant of the method provides that the movements of the gripping and / or handling device during the detection and positioning of the material web withdrawn from the new roll within the packaging machine, depending on the markings on the new roll and depending on their position the respective rotational position of the roll can be controlled, which enables automated gripping and movement of the material web within the machine.
  • An appropriately configured control circuit preferably processes the signals from a detection device, which in turn is prepared for the detection of the markings on the outer circumference of the roll.
  • These markings can be stickers or the like.
  • the markings can also be printed on the material web / film, for example a barcode or the like.
  • the method enables full automation in which a new roll is inserted automatically or, if necessary, with manual support, and in the correct manner Unrolling direction, then the automated movement control of the suction bar or the gripping and / or handling device, and then the automated welding of the material webs, which can be followed by the automated continued operation of the entire packaging system.
  • the roll with flat and / or film material is centered by a suitable axial guide device in a state that is fixed and / or clamped on the rotatable mandrel.
  • the rotatable mandrel for receiving a roll, the axial guide device and the roll with flat and / or film material fixed and / or clamped on the mandrel can preferably be adjusted and / or centered together during operation in the direction of longitudinal extension of the mandrel.
  • the mandrel guide is coupled to the axial guide device, i.e. the mandrel moves in its axial direction together with the axial guide device.
  • the mandrel maintains its position during operation, while only the axial guide device can be moved parallel to the axial direction of the mandrel.
  • the mentioned welding unit is preferably also prepared for the automatic and / or semi-automatic connection of a film or flat material end with a material beginning of a newly inserted roll and can be controlled together with the rotary drive of the material web rolls and the movement drive of the gripping and / or handling unit in order to enable the automated roll change to enable.
  • the detection or sensor device includes an optical sensor such as a light barrier, a camera with downstream image evaluation or the like. comprises, which is coupled in terms of signaling and / or control technology at least to the motor drive for the gripping and / or handling device and for its gripping mechanism.
  • the invention also proposes a device for handling foil material wound on rolls and used as packaging material for packing piece goods, bundles or similar article assemblies within a packaging machine, which has at least one installation position for a roll, optionally also two different ones Installation positions for the respective rotatable reception of rolls with film material as well as fixing and / or welding devices for aligning and / or connecting free end regions of film material in each of the at least two installation positions Has used new roles with a material web already guided in the packaging machine.
  • the device can also have at least one detection device for preferably optical detection of a direction of rotation and / or positioning of a free end of an outer layer of the material web of each new roll, as well as at least one controllable gripping and / or handling device for handling and moving the outer layer of the material web of the new roll to the coupling device or to the fixing and / or welding device.
  • the gripping and / or handling device which can be controlled automatically and / or at least partially as a function of the signals from the detection device, forms part of an automatable roll changing unit of the device according to this equipment option.
  • the gripping and / or handling device is formed by at least one gripping and guiding element assigned to the machine section of a packaging line and controllable in its movements and its handling steps that grasp, grip and / or move within the packaging line.
  • the optionally to be understood detection device can comprise at least one optical detection system which is fixed in the area of the at least two installation positions and by means of which the direction of rotation and / or the orientation conforming to the direction of rotation of the roller inserted in the at least one installation position or the respective new rollers inserted in the at least two installation positions can be determined and / or is verifiable.
  • the beginning of the material web of the outer layer that is to be grasped with the gripping and / or handling device can thus be recognized.
  • the detection device can also have an optical detector, which is moved into the area of the respective new roll via the handling device and there for checking and / or determining the direction of rotation and / or the positioning of the new roll conforming to the direction of rotation and / or for detecting the position of the beginning of the material web outer layer recognizes their respective optical identification.
  • the mentioned gripping and / or handling device can in particular by at least one suction instrument that is controllably adjustable within the packaging machine and / or rotatable about its longitudinal axis, in particular by at least one controllably adjustable and / or rotatable suction rod for detecting the material web provided by the new roll be formed by means of pneumatic suction pressure or have such a suction rod.
  • the gripping and / or handling device can also include at least one bar controllable suction cups o. The like. Be formed or have such a bar.
  • This suction tube must be able to grasp the beginning of the material web of an outermost layer of a new roll and convey it to the fixing, connecting and / or welding device, where the permanent connection to the material web still in the machine can be established so that the Material web feed into the packaging area, where the articles, piece goods or bundles are wrapped or partially wrapped with the material web or film, can be continued or maintained.
  • the gripping and / or handling device of the device according to the invention can in particular be formed by at least one suction instrument, which is equipped with a plurality of suction parts distributed over the suction instrument, which are used to grip a free end region of flat and / or film material can each be acted upon with a negative pressure.
  • the suction parts can be provided evenly distributed along the suction instrument or introduced into the suction instrument distributed uniformly or equidistantly.
  • the suction instrument can comprise at least five such suction parts.
  • the suction parts can form a linear arrangement with one another in the suction instrument or be introduced linearly into the suction instrument, i.e. in a linear alignment to each other. It is conceivable, for example, that the suction instrument can be rotated about its longitudinal axis.
  • the suction instrument for pulling off flat and / or film material from the respective roll so that it can be displaced or to hang or store it so as to be displaceable.
  • the suction instrument is moved in the direction away from the respective installation position or in the direction away from the respective roller in order to pull off flat and / or film material.
  • the suction instrument can be coupled to the previously mentioned control device which specifies the respective offset of the suction instrument for removing the flat and / or film material.
  • the suction instrument can be connected to a linear guide or coupled to a slide of a linear guide.
  • Other guideways are also conceivable, for example curved or S-shaped or the like, which serve to bring the material web in the desired manner to the connecting device, for example to the welding device.
  • At least one suction part is assigned a functional attachment which is in operative connection with the respective suction part and can be removed from the suction instrument.
  • the functional attachment can be used to improve the grip of the respective material web via negative pressure.
  • the size and / or orientation of the negative pressure that can be released by the respective suction section can be influenced by means of the associated functional attachment.
  • at least one functional attachment and preferably all of the functional attachments provide a contact surface for the flat and / or film 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 part can be deactivated or optionally throttled via its assigned functional attachment.
  • this can be advantageous if the respective suction part cannot grip the end area of the flat and / or film material of a roll via negative pressure due to its position in the suction instrument.
  • deactivating the corresponding suction section or by throttling it energy can be saved on the one hand.
  • a drop in the negative pressure at other suction parts is avoided if the at least one suction part is disabled.
  • the respective suction section can, if necessary, grip the flat and / or film material via negative pressure.
  • the respective suction part can be activated for this purpose by coupling a functional attachment to the suction instrument and putting it in operative connection with the respective suction part, so that a negative pressure can be released via the suction part to grip the free end area if necessary.
  • the suction instrument can be moved back and forth alternately when there is an offset between the at least two different installation positions.
  • exactly one suction instrument or suction wand can be sufficient to alternately pull flat and / or film 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 stick in order to pull off flat and / or film material from a roll of the respective installation position.
  • the at least one suction instrument provides a line system for the common transmission of a negative pressure, to which the multiplicity of suction parts are coupled in series.
  • the line system can have a vacuum line with several individual branches, each suction section being assigned its own branch in order to pass the vacuum on 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 parts is each assigned a valve, the functional attachment being in operative connection with the valve, the functional attachment being in operative connection with the valve, so that the respective valve is open to release a negative pressure when the respective functional attachment is connected to the suction instrument and when the functional attachment is removed, the respective valve is closed and the respective suction section is disabled or cannot release any negative pressure.
  • the suction part can provide a pocket or a seat for receiving the respective functional attachment.
  • the pocket or the seat can be milled into the suction instrument.
  • the functional attachment can have a channel by means of which channel negative pressure for gripping foil and / or tape material can be released.
  • the channel can optionally be in fluid connection with the line system already described above.
  • the respective functional attachment is detachably held on the suction instrument via screw and / or plug connections.
  • the functional attachment itself can have a thread by means of which thread the functional attachment can be screwed onto a corresponding mating thread of the suction instrument.
  • other connections such as latching and / or snap and / or clamp connections, are suitable for connecting the respective functional attachment to the suction instrument, or to put the respective functional attachment in operative connection with the respective valve and, if necessary, the valve. open accordingly.
  • a valve and a control needle are assigned to one or more of the suction parts, the valve being able to be opened via the control needle when the control needle comes into contact with a free end region of flat and / or film material to release a negative pressure and when it is not formed contact the valve is closed via the control needle.
  • the control needles can extend at least approximately by the same amount in the direction of the suction instrument, so that the valves assigned to the control needles for gripping the flat and / or film material open at least approximately at the same time. If a control needle does not come into contact with the flat and / or film material, the valve remains closed and no negative pressure is released via this valve or via this suction section.
  • the suction instrument is designed as a suction tube with a round and / or angular cross section.
  • the suction instrument or the suction tube can be produced using a three-dimensional printing process.
  • the suction instrument or the suction tube is formed from aluminum or other materials.
  • suction parts are each assigned a valve for releasing a negative pressure.
  • a control device can be provided which can control the valves selectively and independently of one another in order to release a negative pressure for one or more suction parts.
  • the suction instrument has an area designed as a throttle with a reduced cross-section for one or more suction parts.
  • the area with a reduction in cross-section can be part of a respective previously described functional attachment. If a suction part inadvertently loses its contact with the flat and / or film material, in such embodiments there is advantageously the possibility of maintaining the negative pressure at the other suction parts.
  • the suction instrument cannot have a functional attachment.
  • the vacuum can be released directly via the respective suction section.
  • the gripping and / or handling device or the suction tube can be slowly moved towards the roll by evaluating the positions of the optical markings with the aid of the detection device after precise alignment of the roll, until a slightly increased resistance signals that the suction tube or the gripping and / or the handling device has contacted the role.
  • the suction pipe can grasp the material edge of the outer material web with the formation or amplification of suction pressure and pull it off the roll, especially by overcoming the adhesive forces of the adhesive labels.
  • the outer material web is wound onto the suction tube by rotating it and at the same time withdrawn from the roll, possibly supported by a motorized rotation of the holding mandrel on which the roll is rotatably mounted.
  • the optical markings or adhesive labels attached to the outside of the newly inserted rolls can fulfill a marking function which make it possible, with the aid of the detection device, to set the exact rotational position of the roll so that the gripping and / or handling device contacting the roll grips the material edge of the outer material web and the outer web can peel off the roll by overcoming the adhesive forces of the adhesive labels or markings.
  • a suction pipe working with pneumatic suction pressure as a gripping and / or handling device, it is necessary that the adhesive forces of the adhesive labels allow the outer web of material to be pulled off the roll and that the detachment processes can be reproduced exactly.
  • 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 web provided by the new roll or have such a clamping strip.
  • the gripping and / or handling device can be formed by at least one clamping strip or clamping tube, which must be movable and controllable in its clamping effect in the same way as the suction strip described above within the machine.
  • the gripping and / or handling device can be formed by at least one electrostatically operating element for detecting the material web provided by the new roll by means of electrostatically supported adhesion, this element detecting the material web or film by a controllable and switchable electrostatic charge and creates the adhesive effect to the film or material web.
  • the gripping and / or handling device can also be formed by a simple rod for handling the film webs or material webs, which works mechanically adhesively and enables the end of the material web to be gripped by adhering the film or material web roll with double-sided adhesive or adhesive tape beforehand was equipped 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 of material or film.
  • the gripping and / or handling device can optionally be an integral part of the device or the packaging machine.
  • a freely movable gripping and / or handling device is also possible, which can be arranged, for example, on a cantilever arm of a multi-axis robot standing next to the machine. Both variants fulfill their intended purpose as long as they can be moved in the desired manner between the end positions required for their function and as long as their clamping and holding effect can be controlled in the required manner.
  • the gripping and / or handling device can optionally also be arranged on a suitable gantry robot. These robots mentioned can, for example, have an exchangeable tool head or be designed as separate devices.
  • the gripping and / or handling device is preferably coupled to the detection device and to the fixing and / or welding device in automatable and coordinated activation and / or movement control to form the automated or automatable working and functioning roll changing unit.
  • the movements of the gripping and / or handling device can be controlled during the detection and positioning of the material web withdrawn from the new roll within the packaging machine as a function of the markings on the new roll; Depending on their position, a respective rotational position of the roller can also be controlled.
  • the gripping of the web of material can preferably be automated by a control circuit processing the signals from a detection device, which in turn detects markings on the outer circumference of the roll.
  • markings can be stickers or the like; the markings can also be formed by printing on the web of material or the film, for example as barcodes or the like.
  • Full automation is provided when, for example, a new roll is inserted first, in the correct unwinding direction, followed by the automated movement control the suction bar and then the automated welding takes place, after which an automated further operation can take place.
  • sensor devices for detecting print marks can be provided on the material web of a new roll, with the aid of which the film connections can be precisely maintained in the longitudinal or conveying direction.
  • the material webs normally have a print, for example in the form of graphics and / or lettering, it is necessary for their further processing as packaging material that they can be transported and processed in the longitudinal direction in the correct position.
  • the suction tube or the gripping and / or handling device can not only be adjusted in terms of its distances from the roll, but also rotated, whereby the material web of the new roll is rotated before welding or welding. can be positioned very precisely in the longitudinal direction during welding by means of the welding unit.
  • a handling device for exchanging and / or changing rolls can optionally be preceded by a horizontal conveying device designed for transporting new rolls, which extends into a work area of the handling device.
  • the schematic perspective view of the Fig. 1 shows a section of an embodiment of a packaging machine 10, as it is used for packaging piece goods, bundles or similar article combinations as packaging Serving foil and / or flat material can be used. Shown is part of a device 12 which is used to handle flat and / or film material wound on rolls 14 and to process it by wrapping or partially wrapping piece goods, bundles or combinations of articles not shown here.
  • the flat and / or film material that is provided on the rollers 14 for the packaging machine 10 can be formed, for example, by shrink film or another suitable flat material. According to the in Fig.
  • the rollers 14 can, for example, be transported upright on pallets 16 and made available so that they come within reach of a handling and / or feed device 18, which is formed, for example, by a multi-axis movable, stationary or articulated arm robot 20 that is movable on a plane can be.
  • This handling and / or feeding device 18 or the articulated arm robot 20 has a suitable roller gripper 22 at its free end, with which it can pick up individual rollers 14 from the pallets 16 and insert them into a provided installation position EB1 and / or EB2 in the packaging machine 10 can.
  • At least two separate installation positions EB1 and EB2 are provided within the packaging machine 10, each for a roll 14 or 15 with flat and / or film material 26 wound thereon.
  • Each new roll 14 is made by means of the articulated arm robot 20 (cf. Fig. 1 ) movably arranged roll gripper 22 (cf. Fig. 1 ) inserted into the respective installation position EB1 or EB2, whereby it must be ensured that the rollers 14 are inserted in the correct unwinding direction.
  • Used rollers 15 are removed from the installation position EB1 or EB2 and replaced by new rollers 14.
  • the packaging machine 10 deviates from the illustration in FIGS Figures 2 to 8 can optionally also have just one such installation position EB1 or EB2, possibly in combination with a film storage device or the like, not shown here, if the maintenance of a continuous packaging operation during a roll change is desired.
  • the schematic view of the Fig. 2 shows an operating state in which the roller 15 located in the first installation position EB1 is almost used up, while in the second installation position EB2 no new roller 14 has yet been inserted.
  • the schematic view of the Fig. 3 shows an operating state in which the in the roller 15 located in the first installation position EB1 is almost used up, while a new roller 14 has already been inserted in the second installation position EB2.
  • a horizontal holding mandrel 28 is provided at each of the installation positions EB1 and EB2, which is used for the rotating and / or rotatingly driven and / or braked receiving and mounting of the rollers 14, 15.
  • the rollers 14, 15 with their hollow-cylindrical cores can be pushed onto the holding mandrels 28 and braced or fixed, so that the flat or film material 26 located thereon in the in the Figures 2 and 3 conveying direction 30 shown in the packaging machine 10 and can be continuously fed to a packaging area not shown here.
  • the reference numeral 32 denotes in FIG Figures 2 and 3 a fixing and / or welding device which comprises a vertically movable welding bar 34 with which the material webs 26 of different rolls 14 and 15 can be connected to one another at a connection or joint, in particular welded under the action of heat, so that endless operation for the endless supplied material webs 26 is made possible.
  • the material webs 26 run through the fixing and / or welding device 32 during the entire conveying operation, which in cooperation with the vertically movable and, if necessary, activatable welding bar 34 allows the desired endless operation.
  • the in the schematic perspective view of Fig. 3 Recognizable new roll 14 has, on its outer material web layer 36, an optical marking 38, to be understood optionally in the present context, which can be recognized with a detection device 40, also to be understood as an equipment option, which in the exemplary 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 holding mandrels 28, either by an electric motor drive or by motorized and / or braking-assisted deceleration of a rotational movement.
  • Corresponding drives and / or brakes for the rotatably mounted holding mandrels 28 can be located in their support sections 48 or also next to them (not shown).
  • control circuit 46 can determine the exact rotational position of a newly inserted and on the holding mandrel 28 - in Fig. 3 the right arranged second installation position EB2 - and position the roller 14 by targeted drive of the holding mandrel 28 so that the outer material web layer 36 on the material edge 50 of its free end by means of an in Fig. 4 schematically indicated and in the following figures described in more detail 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 material web 26 of the new roll 14 to the fixing and / or welding device 32, where it then with the material web 26 leading into the machine 10, which is still from the almost used up roll 15 was unwound, and the remaining web remaining on this roll 15 is separated from the material web 26 leading into the machine 10.
  • the schematic perspective view of the Fig. 4 essentially illustrates a process phase in which the material edge 50 of the outer layer 36 of the new roller 14 placed in the second installation position EB2 was pulled off to the left.
  • a movably controllable arm of the gripping and / or handling device 52 has pulled off the outer material web layer 36 to the left and moved it under the welding bar 34 of the welding device 32, which can then be lowered and activated in cooperation with the welding device 32 in order to achieve a linear weld with the removed from the old roll 15, which is positioned in the first installation position EB1, and placed in the packaging machine 10 (cf. Fig. 1 ) conveyed material web 26 (conveying direction 30 to the right cf. Fig. 2 ).
  • the web of material 26 leading to the right into the machine 10 is separated from the almost used roll 15, so that it can then be removed from the device 12 by pulling it off the mandrel 28.
  • each roll 14, 15 can only have exactly one unrolling direction, since the material web 26 is pulled from the left roll 15 (installation position EB1) on its underside by the roll 15 rotating counterclockwise, while the material web 26 is pulled from the right roll 14 (installation position EB2) is pulled off at the top by this new roller 14 also rotates counterclockwise; see the direction of rotation arrows in Fig. 4 .
  • the device 12 can be operated continuously without the packaging process - not shown here - and the conveying process of the material web 26 for exchanging a new roll 14 and / or for removal having to interrupt a used up role 15.
  • the schematic perspective view of the Fig. 5 illustrates a new roll 14 with flat and / or film material 26 wound thereon (cf. Fig. 5 ) as well as a sensible variant for the arrangement of the optical markings 38 in the area 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 reflective and / or adhesive labels 54 equipped with optically decodable information, which are optionally applied during the assembly and / or production of the rolls 14 or subsequently during the preparation for equipping the device 12 according to the invention by operating personnel be glued on.
  • the optical markings 38 or adhesive labels 54 also fulfill a marking function, since they make it possible, with the aid of the cameras 42 of the detection device 40, to set the exact rotational position of the roller 14 so that the suction tube 56 approaching the roller 14 in the adjustment direction 58 (cf. Fig. 7 ) can grasp the material edge 50 of the outer material web 36 and pull the outer web 36 off the roll 14, overcoming the adhesive forces of the adhesive labels 54.
  • the schematic perspective view of the Fig. 6 and the schematic side view of FIG Fig. 7 show, in further illustrations, a phase of the roll change in which the left roll 15 in the first installation position EB1 is almost unwound and the flat material 26 previously wound thereon is still in the conveying direction 30 in the packaging machine 10 (cf. Fig. 1 ) is performed in order to be used there for wrapping piece goods, containers or similar article combinations.
  • the new roll 14 located in the second installation position EB2 is already prepared for a material web change in that its outer material web layer 36 is grasped by grasping the material edge 50 by means of the gripping and / or handling device 52 and is pulled a little from the roll 14 and below the welding bar 34 of the fixing and / or welding device 32 (cf. Fig. 4 ) to the left, ie in the direction of the almost used roller 15.
  • the gripping and / or handling device 52 is formed in this exemplary embodiment by a suction pipe 56 which is able to grasp and pull off the material web 26 provided by the new roll 14 by means of pneumatic suction pressure.
  • the suction pressure applied to numerous openings that are distributed over the length of the suction tube 56 and over its circumference must be strong enough to not only grasp the material web 26 in the vicinity of the material edge 50, but also to pull it off and thereby place the roller 14 on the Retaining pin 28 to be able to rotate.
  • the suction pipe 56 can, for example, in the in the Figures 11 to 15 be designed manner shown.
  • roller 14 In order to facilitate the removal, however, it can also be useful to drive the roller 14 by a motor of the holding mandrel 28 in accordance with the approximately horizontal To rotate the extraction movement of the suction tube 56 in the direction of the respective other roller 15 and thus facilitate or support the extraction movement.
  • 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. 6 and Fig. 7 each in the installed position EB2) can be grasped and pulled off the roller 14, this pulling process preferably being supported by active rotation of the motor-operated holding mandrel 28.
  • the Fig. 7 reveals not only the approximately horizontal adjusting directions 58 of the suction tube 56 of the gripping and / or handling device 52, but also the rotational movements 60 about its longitudinal axis that can be carried out by the suction tube 56 as required.
  • the motion guide of the suction tube 56 is in the Figures 4 , 6th and 7th not shown in detail;
  • the suction tube 56 can be suspended from a slide guide or the like, which enables the horizontal movements 58 in the area between the two retaining spikes 28 of the left and right installation positions EB1 and EB2 for the two rollers 14 and 15 as well as the rotary movements 60.
  • Conceivable drives for such a slide guide are, for example, chain or belt transmissions driven by an electric motor, hydraulic or pneumatic linear guides or the like.
  • the suction tube 56 can be slowly moved towards the roller 14 in the adjustment direction 58, while evaluating the positions of the optical markings 38 or adhesive labels 54 with the aid of the cameras 42 of the detection device 40, until a slightly increased resistance signals that the Suction tube 56 has contacted roller 14. In this position, the suction pipe 56 can grasp the material edge 50 of the outer material web 36 with the formation or intensification of a suction pressure and pull the outer web 36 off the roll 14 by overcoming the adhesive forces of the adhesive labels 54.
  • the outer material web 36 is wound onto the suction tube 56 in the direction of rotation 60 and at the same time pulled off the roller 14 by a pulling movement in the adjustment direction 60, preferably supported by a motorized rotation of the holding mandrel 28 on which the roller 14 is clamped.
  • the Figures 6 and 7th the receiving groove 62 running vertically and transversely to the conveying direction 30 on the upper side of the fixing and / or Recognize welding device 32, into which the welding bar 34 can plunge vertically to connect the material webs 26 and at the same time separate the from the almost used left roll 15.
  • the welding process is normally carried out by temperature control of the welding bar 34 and / or suitable welding elements and / or welding bars or the like in the area of the receiving groove 62, whereby the material webs 26 are heated above their softening temperature, so that a flow of the material and thus a material connection of the material web sections to be connected can take place.
  • the suction tube 56 can not only be adjusted in the longitudinal direction 58, but also rotated in the direction of rotation 60 (cf. Fig. 7 ), whereby the material web 36 of the new roll 14 can be positioned very precisely in the longitudinal direction by means of the welding unit 32 before the welding or during the welding.
  • FIG. 8 The schematic representations of the Fig. 8 show in a total of fifteen pictures ( Figures 8A to 8O ) successive process steps of the roll change within the device 12 according to the invention (cf. Fig. 1 ).
  • the material web 26 is pulled off from above for both rolls 14 and 15, so that the left roll 14 or 15 (EB1) is unwound clockwise, while the right roll 15 or 14 (EB2 ) is turned to the left.
  • the Figure 8A illustrates the supply of the material web 26 in the conveying direction 30 via the roller 15 located in the right-hand installation position EB2, which rotates to the left is handled.
  • the material web 26 is guided over a lower deflection roller 64.
  • the suction pipe 56 and the welding bar 34 are each inactive.
  • the new roll 14 kept available in the left installation position EB1 is not yet activated, ie not yet connected to the material web 26 guided into the packaging machine.
  • the material web 26 of the right used roll 15 can be separated from the material web 26 fed into the machine. This separation can, for example, with an in Figure 8E schematically indicated cutting or separating device 66 take place.
  • this separating device 66 can also ensure that the loose material web section 68 leading to the right roll 15 is either separated from the roll 15 or rewound on this roll 15 by turning back ( Figure 8F ), in order not to cause any disruptions when the used roll 15 is removed from the retaining mandrel 28 of the second installation position EB2, for example by entangling 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 ( Figure 8G ), so that the used roller 15 in the second installation position EB2 can be replaced by a new roller 14 ( Figure 8H ). Since the left roll is now gradually unwound in the first installation position EB1, this roll is referred to below as used roll 15 ( Figure 8I ), while the right roller in the second installation position EB2 is referred to as the new roller 14, analogous to the situation according to FIG Figure 8B the suction pipe 56 is reattached ( Figure 8I ), so that its outer material web layer 36 can be pulled to the left under the sealing bar 34 in the direction of the left roll 15 ( Figure 8J ).
  • the sealing bar 34 can be lowered again ( Figure 8K ), whereby the connection of the material web 26 of the right roll 14 with the material web 26 leading into the machine is established ( Figure 8L ), while at the same time the separating device 66 separates the material web 26 of the left roll 15 ( Figure 8L ) and the suction tube 56 can pick up the material web residue 68 and support the rewinding of the left roll 15 ( Figure 8M ).
  • FIG. 9 and 10 show an alternative embodiment of the movably suspended suction pipe 56 of the gripping and / or handling device 52, which is used to pull off the outer material web layer 36 in the area of the material edge 50 of the new roll 14.
  • a machine-fixed suspension of the suction pipe 56 this is in this variant on the movable arm of an articulated arm robot 20, which can optionally be the same articulated arm robot 20 that is already in the Fig. 1 is shown.
  • a suitable changing device is required to transfer the in Fig. 1 Roll gripper 22 shown against the in Fig. 9 and in Fig. 10 To be able to replace suction tube 56 shown.
  • the articulated arm robot 20 shown may also be a separate robot that is also set up, whereby it must be ensured that it does not correspond to a possibly existing handling or feed device 18 for new rolls 14 and for removing used rolls 15 Fig. 1 can collide.
  • the suction tube 56 is movable both in the horizontal or slightly inclined direction due to the movement possibilities of the articulated arm robot 20 in order to be able to pull the material web 26 off the roll 14.
  • the suction pipe 56 can be rotated if necessary, which is indicated by the reference number 60.
  • the ones in the Figures 9 and 10 The variant shown does not differ from the variants already shown in terms of their function and the sequence of movements when changing roles Figures 1 to 8 .
  • suction instrument 55 gripping and / or handling device 52 is in the Figures 11 to 15 using the example of with several functional attachments 70 equipped suction wand 56 shown.
  • the suction instrument 55 or the suction rod 56 can be moved back and forth between the two installation positions EB1 and EB2 and alternately pulls free end areas 50 from new rollers 14 in the first or second installation positions EB1 and EB2.
  • the rollers 14 Depending on the width of the flat and / or film material 26, the rollers 14 have a certain depth T (see FIG Fig. 3 ).
  • Rolls 14 and 15 with different depths T are used, since the suction instrument 55 or the suction rod 56 can be adapted to the respective depth T.
  • FIG Fig. 11 For the sake of clarity, the rollers 14 and 15 and the holding pins 28 of the two installation positions EB1 and EB2 are shown in FIG Fig. 11 not shown.
  • the suction instrument 55 or the suction rod 56 has a large number of suction parts 72 via which a free end region 50 (cf. Fig. 3 and Fig. 4 ) a negative pressure can be released from flat and / or film material 26.
  • the suction instrument 55 or the suction rod 56 from the exemplary embodiment according to FIG Fig. 11 has an angular cross-section.
  • the suction parts 72 are each assigned a functional attachment 70 and a valve, which, however, cannot be seen in the figures.
  • Each functional attachment 70 is in operative connection with a valve in such a way that when the functional attachment 70 is mechanically connected to the suction instrument 55 or the suction rod 56, the valve is opened to release a negative pressure. If a roller 14 or 15 has a small depth T (cf. Fig. 3 ), then individual suction parts 72 are not required in order to grasp a free end region 50 of flat and / or film material 26 with negative pressure. If this is the case, the functional attachment 70 of the respective suction section 72 can be removed from the suction instrument 55 or suction wand 56 or, alternatively, only deactivated.
  • the operative connection between the respective functional attachment 70 and the respective valve is such that the valve closes when the functional attachment 70 is removed and no negative pressure can be released via the respective suction part 72.
  • the suction part 72 remains inoperative until, if necessary, the respective functional attachment 70 is connected again to the suction instrument 55 or the suction wand 56.
  • the suction instrument 55 or the suction rod 56 can therefore be mounted on rollers 14, 15 with different depths T (cf. Fig. 3 ) can be adjusted.
  • the suction instrument 55 is coupled to a carriage 74 which is connected to a Linear guide 76 is connected or is guided there.
  • the horizontal and vertical displacement of the suction instrument 55 is effected by an actuator, for example by an electric motor or hydraulically.
  • the suction instrument 55 does not have the aforementioned valves, so that a negative pressure is released via the suction parts 72 in each case when the functional attachments 70 are not connected to the suction instrument 55.
  • the respective functional attachment 70 can then be connected to the suction instrument 55 and assigned to a respective suction part 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 and / or directed in a certain direction around the flat and / or film material via the functional attachment 70 26 of a respective role 14 or 15 to be specifically detected.
  • Practice has shown that with such embodiments the risk of the flat and / or film material 26 being inadvertently detached from the suction instrument 55 can be almost completely eliminated.
  • the functional attachment 70 as in FIG Figures 12 and 13 shown, be designed as a flexible bellows which is in contact with the flat and / or film material 26 when it is fixed or gripped via negative pressure.
  • Embodiments of this type also support targeted gripping of the flat and / or film material 26, the risk of the flat and / or film material being inadvertently detaching from the suction instrument 55 still being low.
  • the perspective detailed view of the 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 design of the suction instrument 55 or suction rod 56 corresponds to the embodiment according to Fig. 11 .
  • the Fig. 12 It can also be seen that the suction instrument 55 forms a pocket 78 for each of the suction portions 72, into which the functional attachments 70 can be inserted.
  • the pockets 78 are milled into the suction instrument 55 or the suction rod 56.
  • the suction instrument 55 also forms a flange section 80, by means of which a bearing and fastening on the slide 74 (cf. Fig. 11 ) is enabled.
  • the Fig. 13 shows a perspective longitudinal section through the suction instrument 55 according to FIG Fig. 12 .
  • the line system 82 is now closed recognize that the vacuum supply for the suction parts 72 delivers.
  • the individual functional attachments 70 form their own channel in order to release negative pressure for gripping flat film and / or tape material 26.
  • the suction parts 72 are fluidically linked to one another in series via the line system 82 and can thus be supplied with the same negative pressure in each case at least approximately at the same time.
  • the Fig. 14 shows a schematic perspective view of a further embodiment variant of the suction instrument 55, as it can be provided for various embodiments of a device 10 according to the invention.
  • the suction instrument 55 of the exemplary embodiment according to FIG Fig. 14 is designed 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 correspond to the suction instrument 55 from the exemplary embodiment in FIG Figures 11 to 13 are also shown for the suction instrument 55 Fig. 14 intended.
  • the functional attachments 70 are each operatively connected to a valve, 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 functional 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 part 72 until the corresponding functional attachment 70 is connected to the suction instrument 55 again.
  • a flange portion 80 is also shown.
  • the suction instrument 55 or the suction rod 56 can be connected to the slide 74 (cf. Fig. 11 ) get connected.
  • the suction instrument 55 or the suction rod 56 of the exemplary embodiment Fig. 14 has a circular cross-section.
  • the Fig. 15 finally shows a longitudinal section through the suction instrument 55 according to FIG Fig. 14 .
  • the suction instrument 55 or the suction rod 56 has a line system 82 to which the suction parts 72 are connected in series.
  • the functional attachments 70 each terminate flush or at least approximately flush with an outer jacket surface of the suction instrument 55 or suction rod 56.
  • the line system 82 is closed at its free end so as not to allow negative pressure to escape.
  • throttles can also be used which, when the functional attachments are removed, the Do not normally shut off the vacuum completely, but ensure that the vacuum is reduced so that only little air is sucked in there.

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

Claims (22)

  1. Procédé de manipulation de matériau 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 en film (26) par le fait que, après un positionnement respectif d'un nouveau rouleau (14), sa couche (36) située extérieurement de matériau en film (26) est retirée à proximité ou au niveau de son extrémité libre (50) 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 après avoir inséré celui-ci dans la position de montage (EB1; EB2) respective est saisie au moyen d'un dispositif de préhension et/ou de manipulation (52) commandable 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), caractérisé par le fait que
    - le dispositif de préhension et/ou de manipulation (52) commandable agit de concert avec un dispositif de détection (40) destiné à détecter des marquages (38, 54) qui sont appliqués sur le nouveau rouleau (14) et qui consistent en une impression sur la bande de matériau.
  2. Procédé selon la revendication 1, dans lequel la bande de matériau (26) fournie par le nouveau rouleau (14) est retirée du rouleau (14) au moyen du dispositif de préhension et/ou de manipulation (52) travaillant à une pression d'aspiration pneumatique, par serrage mécanique, de façon mécanique et/ou adhésive et/ou de manière électrostatiquement adhésive.
  3. Procédé selon la revendication 1 ou 2, 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, et est déplacée respectivement sur sa position prévue pour être reliée de manière adhésive à la bande de matériau (26) menant déjà dans la chaîne d'emballage et/ou vers ledit dispositif de fixation et/ou de soudage (32).
  4. Procédé selon l'une quelconque des revendications 1 à 3, dans lequel le dispositif de préhension et/ou de manipulation (52) commandable est constitué par au moins un instrument d'aspiration (55) qui est réglable de manière commandée et/ou peut tourner autour de son axe longitudinal à l'intérieur de la machine d'emballage (10), en particulier est constitué par au moins une barre d'aspiration (56) qui est réglable de manière commandée et/ou peut tourner autour de son axe longitudinal.
  5. Procédé selon la revendication 4, dans lequel la zone d'extrémité libre (50) de matériau en film (26) du nouveau rouleau (14) respectif est saisie et retirée au moyen d'une pluralité de parties d'aspiration (72) réparties sur l'instrument d'aspiration (55) ou bien sur la barre d'aspiration (56), dans lequel les parties d'aspiration (72) sont chacune soumises à une pression négative.
  6. Procédé selon la revendication 5, 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.
  7. Procédé selon l'une quelconque des revendications 1 à 6, dans lequel le dispositif de préhension et/ou de manipulation (52) commandable agit de concert avec un dispositif de détection (40) destiné à détecter l'extrémité libre (50) de la couche (36) située extérieurement de matériau en film (26) du nouveau rouleau (14) respectif et/ou à détecter des marquages (38, 54) réalisés sur le et/ou appliqués au nouveau rouleau (14), et/ou est commandé en fonction des signaux de capteur de celui-ci.
  8. Procédé selon la revendication 7, dans lequel le dispositif de détection (40) détecte l'extrémité libre (50) et reconnaît et/ou traite sa/leur position, son/leur orientation et/ou sa/leur position angulaire par rapport à une circonférence totale du nouveau rouleau (14).
  9. Procédé selon la revendication 1, 7 ou 8, dans lequel les mouvements (58, 60) du dispositif de préhension et/ou de manipulation (52) lors de la détection et du positionnement de la bande de matériau (26) retirée du nouveau rouleau (14) à l'intérieur de la machine d'emballage (10) sont commandés en fonction de l'extrémité libre (50) détectée et/ou des marquages (38, 54) se trouvant sur le nouveau rouleau (14), et une position de rotation respective du rouleau (14) est commandée en fonction de sa/leur position.
  10. Dispositif (12) de manipulation de matériau 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, à l'intérieur d'une machine d'emballage (10) qui présente au moins une position de montage (EB1, EB2) pour loger à rotation respectivement des rouleaux (14, 15) comprenant du matériau en film (26), ainsi que des dispositifs de fixation et/ou de soudage (32) destinés à orienter et/ou à relier des zones d'extrémité libres (50) de matériau en film (26) du nouveau rouleau (14) respectivement inséré dans ladite au moins une position de montage (EB1, EB2) à une bande de matériau (26) déjà guidée dans la machine d'emballage (10), dans lequel le dispositif (12) comprend au moins un dispositif de préhension et/ou de manipulation (52) commandable pour la manipulation et le mouvement commandés de la couche extérieure de la bande de matériau (26) du nouveau rouleau (14), après son insertion dans la position de montage (EB1; EB2) respective, vers le dispositif de fixation et/ou de soudage (32), et dans lequel le dispositif de préhension et/ou de manipulation (52) commandable forme une partie d'une unité de changement de rouleau automatisable du dispositif (12), caractérisé par le fait que
    - le dispositif (12) comprend un dispositif de détection (40) qui est destiné à détecter des marquages (38, 54) appliqués sur le nouveau rouleau (14) et consistant en une impression sur la bande de matériau, et avec lequel le dispositif de préhension et/ou de manipulation (52) agit de concert.
  11. Dispositif selon la revendication 10, dans lequel le dispositif de préhension et/ou de manipulation (52) est formé par au moins un instrument d'aspiration (55) qui est réglable de manière commandée et/ou peut tourner autour de son axe longitudinal à l'intérieur de la machine d'emballage (10), en particulier par au moins une barre d'aspiration (56) qui est réglable de manière commandée et/ou peut tourner autour de son axe longitudinal 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).
  12. Dispositif selon la revendication 10 ou 11, dans lequel ledit instrument d'aspiration (55) présente une multiplicité ou bien pluralité de parties d'aspiration (72) qui sont réparties sur l'instrument d'aspiration (55) ou bien sur la barre d'aspiration (56) et qui peuvent chacune être alimentées en pression négative.
  13. Dispositif selon la revendication 12, 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.
  14. Dispositif selon la revendication 12 ou 13, dans lequel au moins une pièce rapportée fonctionnelle (70) fournit une surface de contact pour le matériau 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.
  15. Dispositif selon l'une quelconque des revendications 12 à 14, 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.
  16. Dispositif selon l'une quelconque des revendications 12 à 15, 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).
  17. Dispositif selon l'une quelconque des revendications 11 à 16, 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.
  18. Dispositif selon l'une quelconque des revendications 14 à 19, 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.
  19. Dispositif selon la revendication 12, dans lequel le dispositif de préhension et/ou de manipulation (52) est constitué par au moins une barrette de serrage destinée à saisir par serrage mécanique la bande de matériau (26) fournie par le nouveau rouleau (14).
  20. Dispositif selon la revendication 12, dans lequel le dispositif de préhension et/ou de manipulation (52) est constitué par au moins un élément travaillant de façon électrostatique et destiné à saisir par adhérence assistée façon électrostatique la bande de matériau (26) fournie par le nouveau rouleau (14).
  21. Dispositif selon l'une quelconque des revendications 12 à 20, lequel comprend au moins un dispositif de détection (40) pour la détection de préférence optique d'un sens de rotation et/ou d'un positionnement d'une extrémité libre (50) d'une couche située extérieurement ou extérieure (36) de la bande de matériau (26) de chaque nouveau rouleau (14), dans lequel le dispositif de préhension et/ou de manipulation (52) est automatisé et/ou peut être commandé en fonction au moins partielle des signaux du dispositif de détection (40).
  22. Dispositif selon l'une quelconque des revendications 12 à 21, dans lequel le dispositif de préhension et/ou de manipulation (52) est intégré de façon constructive au dispositif (12) ou est conçu en tant que partie d'un robot de manipulation (20) disposé à l'extérieur de la machine d'emballage (10).
EP15784966.2A 2014-10-30 2015-10-27 Procédé et dispositif de manipulation de matière en feuille enroulée sur des rouleaux Active EP3212551B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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/EP2015/074818 WO2016066617A1 (fr) 2014-10-30 2015-10-27 Procédé et dispositif de manipulation de matière en feuille et/ou plate enroulée sur des rouleaux

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EP15786956.1A Active EP3212553B1 (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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PL3263468T3 (pl) * 2016-06-27 2021-08-30 ULMA Packaging Technological Centre, S. COOP Sposób łączenia oraz jednostka do łączenia dwóch folii do pakowania do poziomej maszyny pakującej
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
WO2018084079A1 (fr) * 2016-11-02 2018-05-11 株式会社瑞光 Système d'alimentation de feuilles et procédé d'alimentation de feuilles
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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JPH0733298A (ja) * 1993-07-19 1995-02-03 Tokin Corp 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

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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
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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JPH0733298A (ja) * 1993-07-19 1995-02-03 Tokin Corp 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

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EP3212553B1 (fr) 2019-12-11
EP3212553A1 (fr) 2017-09-06
CN207890048U (zh) 2018-09-21
WO2016066695A1 (fr) 2016-05-06
EP3212551A1 (fr) 2017-09-06
CN208361475U (zh) 2019-01-11
WO2016066617A1 (fr) 2016-05-06

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