EP3212552B1 - Procédé et dispositif de manipulation d'un matériau plat et/ou en feuille enroulé sur des rouleaux - Google Patents

Procédé et dispositif de manipulation d'un matériau plat et/ou en feuille enroulé sur des rouleaux Download PDF

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Publication number
EP3212552B1
EP3212552B1 EP15785129.6A EP15785129A EP3212552B1 EP 3212552 B1 EP3212552 B1 EP 3212552B1 EP 15785129 A EP15785129 A EP 15785129A EP 3212552 B1 EP3212552 B1 EP 3212552B1
Authority
EP
European Patent Office
Prior art keywords
roll
material web
packaging
handling
remainder
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
EP15785129.6A
Other languages
German (de)
English (en)
Other versions
EP3212552A1 (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
Application filed by Krones AG filed Critical Krones AG
Publication of EP3212552A1 publication Critical patent/EP3212552A1/fr
Application granted granted Critical
Publication of EP3212552B1 publication Critical patent/EP3212552B1/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
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • 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
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4132—Cantilever arrangement
    • 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
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/90—Machine drive
    • B65H2403/94—Other features of machine drive
    • B65H2403/942—Bidirectional powered handling device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/12—Surface aspects
    • B65H2701/124—Patterns, marks, printed information
    • 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 flat and / or sheet material wound on rolls having the features of independent method claim 1. Furthermore, the invention relates to a device for handling flat and / or sheet material wound on rolls with the features of the independent claim 9th
  • 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.
  • a method and a device by means of which new rolls can be delivered and used rolls can be changed within a packaging machine are for example from the DE 40 40 545 A1 known.
  • 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.
  • 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 furthermore 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.
  • the EP 2 233 399 A1 discloses a packaging machine with a supply device in which two rolls can be arranged. From one of these two rolls packaging material is provided for a packaging company. Next, the packaging machine has a separator, which after joining material webs of the rollers can bring about a cutting process. The material is taken up in a memory and withdrawn from the respective roll by a drive, which is arranged downstream of the memory in a direction of movement of the material.
  • a supply device which can accommodate two material-carrying rollers, is also by the EP 2 103 525 A1 disclosed.
  • a primary object of the invention in view of the known prior art, is to provide an apparatus and method for handling flat and / or sheet material wound on rolls, by means of which the susceptibility to failure of a packaging machine 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 enable uninterrupted operation of a packaging machine even beyond a reel change.
  • the invention proposes a method for handling flat and / or sheet material wound on rolls and serving as packaging material for packaging piece goods, packages or similar article compositions having the features of independent method claim 1.
  • 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, possibly a largely or nearly continuous packaging company, replaced by a new or fresh role, in particular a similar role with flat and / or film material.
  • Spent rolls are removed to maintain the packaging operation of at least one assembly or installation position within the packaging machine and replaced with a new role.
  • the respective used rolls are taken alternately from at least two different assembly positions of the packaging machine and exchanged alternately for new rolls with flat and / or film material.
  • the material web drawn off from the at least partially unwound and / or used roll is separated from the material web guided into the packaging line, for example with a suitable separating device.
  • a removal of each at least partially processed and / or used roll from the packaging machine leading to a separation point web material is rewound by turning the reel against its original direction of rotation for unwinding at least partially on the at least partially unwound and / or used reel.
  • the material web residue attached to the at least partially unwound and / or used roll can optionally be grasped by means of a controllable gripping and / or handling device and moved in the direction of the at least partially unwound and / or used roll.
  • This controllable gripping and / or handling device may in particular be the same gripping and / or handling device which previously grasps the material web drawn off from the respective new roll and in the direction of the material web already leading into the packaging line and / or to a fixing - And / or welding device has moved, where the material webs are joined together so that the uninterrupted promotion can continue to run in the machine.
  • controllable gripping and / or handling device can cooperate with a detection device for detecting a position of the material web residue and / or a rotational position of the roller and / or be controlled in dependence on their sensor signals, so that an even more accurate and reliable Control based on evaluated image data of the detection device can be enabled.
  • a further variant of the method according to the invention provides that the material web residue attached to the at least partially unwound and / or used roll is grasped and moved to the roll by means of the gripping and / or handling device operating with pneumatic suction pressure, mechanical clamping and / or electrostatic adhesion . to be led.
  • the material web residue attached to the at least partially unwound and / or used roll can be detected and moved to the roll by means of the automatically moving gripping and / or handling device controlled in its holding activities.
  • the mentioned detection device can be prepared in particular for being connected to the at least partially unwound and / or used role attached or applied markers detected and recognizes their position, orientation and / or angular position with respect to a total circumference of the role and / or processed.
  • a gripping and / or handling device already present in the packaging machine for threading and joining a new material web from a newly inserted roll with the endless material web guided into the packaging machine can also be used for handling material web residues of a roll to be replaced.
  • used rolls for maintaining the desired continuous or quasi-continuous packaging operation are taken alternately from the two or more different assembly positions of the packaging machine and exchanged alternately for new rolls with flat and / or film material.
  • used rolls for maintaining the desired continuous or quasi-continuous packaging operation are taken alternately from the two or more different assembly positions of the packaging machine and exchanged alternately for new rolls with flat and / or film material.
  • This connection, welding or bonding of the material webs can be produced, for example, along a continuous or interrupted, transversely, diagonally or meandering to Materialabrollraum 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 controllable gripping and / or handling device can cooperate with a detection device for detecting marks applied to and / or applied to the new roll, and / or is controlled as a function of 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 Position, alignment and / or To detect and process angular position with respect to a total amount of the new roll.
  • the detection device can also be used for the detection of a material web residue of the roll to be replaced, for example. To detect their Abrollinate and / or their exact position in order to control the movements of the gripping and / or handling device.
  • not only the material web of the used roll can be separated from the material web guided into the machine simultaneously with the welding or after the welding, optionally also after the lifting of a welding bar by a welding device.
  • the web start of the new roll which was at least partially wound around the suction pipe or the gripping and / or handling device during the removal and unwinding of the roll, first on the suction pipe or on the holding element remains and is connected during the mentioned welding process for connecting the new roll with the leading material in the machine web or by means of an immediately following separate welding process with the remaining portion of the old roll.
  • the outer layer originating from the new roll may in this case still be partially wrapped around the suction pipe or the handling device, so that it can hang down a little way from the latter, where it (ie, this material web section) in a continuous or interrupted, possibly acute-angled junction with the web rest of the old role is connected or welded.
  • the suction pipe can be returned to its original position close to the welding bar.
  • no interference can be caused, for example.
  • the mentioned film or flat material which is wound on the respective exchangeable rollers and that is unwound from the rollers 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 rolls 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 roll guidance and accessibility in order to enable an automatable roll change, as described in more detail below is explained.
  • a variant of the method can provide that the movements of the gripping and / or handling device in the detection and positioning of the remaining on the used-up used roll material web remnant within the packaging machine depending on located on the roll markers and controlled in dependence on their position which allows automated picking and moving of the web within the machine.
  • a correspondingly configured control circuit processes the signals of a detection device, which in turn is prepared for the detection of the marks 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 broadest possible extent enables full automation, in which not only a new roll is loaded automatically or, if necessary, manually supported preferably in the right direction of unwinding, 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, but in which the trouble-free removal of used roles can equally automated run.
  • 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, i.e., 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.
  • a sensory recognition can optionally also take place with the aid of tactile detectors or a tactile, ie touching, detection system, which can be arranged in the region of the at least one installation position.
  • the detection system or the tactile or touching detector and the handling device can be in communication with a control unit.
  • a sensory recognition can also take place with the aid of ultrasound detectors or an ultrasound detection system, which can be arranged in the region of the installation positions for the rollers with flat and / or foil material wound thereon.
  • the detection system or the ultrasound detector and the handling device may in turn communicate with the mentioned control unit.
  • the rolls which are at least partially developed and / or used up to maintain an approximately continuous packaging operation, can be taken alternately from at least two different installation positions of the packaging machine and then a new roll with flat and / or film material can be inserted into the respective installation position.
  • Each of the at least two mounting positions can, as previously mentioned, have a pin on which the new roller is placed and on which the respective roller rotates to unwind its respective flat and / or sheet material.
  • the packaging company can be interrupted during the roll change or possibly continue uninterrupted.
  • the above-mentioned variant with only one installation position for a roll allows only a continuous packaging operation during a roll change, if an additional storage for flat and / or sheet material is provided from which this material transported out during the roll change and made available to the packaging company can be.
  • the inventive method equally relates to such uninterrupted handling as well as a brief interrupted handling of wound on rolls flat and / or sheet material within a packaging process. Since the method also relates to a handling method using only one installation position within the packaging machine, it is clear that a continuous or continuous packaging operation only under With the help of a buffer or other assistance measure is possible, since at least during the roll change of the conveying process of film or flat material must be interrupted.
  • the invention further proposes a device for handling flat and / or sheet material wound on rolls and used as packaging material for packing piece goods, packages or similar article compositions within a packaging machine, which has at least one installation position for rotatable receiving 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 newly inserted in the installed position new role with a guided already in the packaging machine web.
  • the device has a separating device for separating a material web drawn off from the at least partially unwound and / or used roll from the material web guided into the packaging line.
  • each partially unwound and / or used roll against a Abwickelfilter and for winding at least a portion of leading to a separation point web residue on the at least partially unwound and / or used role.
  • the device may have a controllable gripping and / or handling device for handling and moving the material web remainder of the at least partially unwound and / or used roll and for its feed movement to the roll. This controllable gripping and / or handling device preferably forms part of an automatable roll changing unit of the device.
  • the gripping and / or handling device can be formed by means of pneumatic suction pressure by at least one suction tube for detecting the material web residue adhering to the at least partially unwound and / or used roll or have such a suction pipe.
  • the gripping and / or handling device is formed by at least one clamping strip for mechanically clamping detection of the material web remnant attached to the at least partially unwound and / or used roll.
  • the gripping and / or handling device by at least one electrostatically operating element for detecting the at least partially unwound and / or used role attached web rest is formed by means of electrostatically assisted adhesion.
  • an uppermost material web of the film or web roll is not withdrawn with said suction tube, but instead with a simple rod, wherein the uppermost web is fixed on the underlying web, for example.
  • double-sided adhesive tape or double-sided adhesive layer and this fixation means of the rod it may be necessary to overcome the adhesive force of the adhesive tape or the double-acting adhesive layer during rewinding.
  • this can be achieved by actively rotating the film mandrel on which the roller is rotatably mounted, and by rotating the rod in opposite directions, wherein this can optionally be simultaneously moved away or withdrawn from the roller.
  • the mentioned gripping and / or handling device is formed by the rod.
  • the gripping and / or handling device can also be structurally integrated in the device or designed as part of a handling robot arranged outside the packaging machine.
  • the device has a detection device for preferably optically detecting a direction of rotation and / or positioning of a material web remnant an outer layer of the web of each used or almost used role, controlled by the movements of the controllable gripping and / or handling device can be.
  • the automated and / or controllable in at least partial dependence on the signals of the detection device gripping and / or handling device can thus form part of an automatable roll changing unit of the device.
  • other measuring principles are useful, for example. With ultrasonic detection or tactile detection of the desired or required information on the Based on the gripping and / or handling device can be controlled.
  • the gripping and / or handling device is by at least one of the machine section of a packaging line associated, in his movements and his the material web detecting, gripping and / or within the packaging line moving handling steps controllable gripping and Guiding element formed.
  • the detection device can comprise at least one optical detection system fixed in the region of the at least two installation positions, optionally also an ultrasound detection system or a tactile detection system by means of which the unwinding progress and / or the position of the material web remnant or its length in the machine can be determined and / or checked , In addition, so that the material web start of the outer layer of the material web residue is recognizable, which is to be detected with the gripping and / or handling device, before the roll is rotated back to wind the web remnant.
  • the detection device may also have an optical or otherwise working detector, which can be moved via the handling device in the region of the respective new role as well as the role to be replaced and there to check and / or determining the direction of rotation and / or directionally correct positioning of the new Roller and / or for detecting the position of the material web start of the outer layer can recognize their respective optical marking as well as the above-mentioned parameters of a used roll.
  • an optical or otherwise working detector which can be moved via the handling device in the region of the respective new role as well as the role to be replaced and there to check and / or determining the direction of rotation and / or directionally correct positioning of the new Roller and / or for detecting the position of the material web start of the outer layer can recognize their respective optical marking as well as the above-mentioned parameters of a used roll.
  • the mentioned gripping and / or handling device can be formed in particular by at least one suction pipe for detecting the material web provided by the new roll by means of pneumatic suction pressure or have such a suction pipe.
  • 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 not only 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, but Also to detect the web residue of a used roll and lead to the back-rotating role, so that the material web feed in the packaging area, where the articles, cargo or containers are wrapped or partially wrapped with the web or sheet, can be continued or maintained.
  • 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 if their clamping and holding action is controllable in the required manner.
  • the gripping and / or handling device can optionally also be arranged on a suitable gantry robot. These mentioned robots may, for example, have an exchangeable tool head or be designed as separate devices in each case.
  • the gripping and / or handling device is coupled to the detection device and to the fixing and / or welding device in automatable and coordinated activation and / or movement controls 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 depending on the located on the new role markers and depending on their position, a respective rotational position of the role.
  • 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 roll. These markings may be stickers or the like; The markings can also be printed on the material web or the film, as a barcode o.
  • 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 at least one installation position for the rolls with flat and / or sheet material wound thereon or the typically two installation positions with their rotatable holding means for the rolls with flat and / or sheet material can be designed to be adjustable in height For example, to be able to make an adaptation to different roll diameters and / or a correction of the conveying paths with gradually exhausted material supply of a developed and therefore gradually reducing diameter roll.
  • 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.
  • These worn-out rollers are also normally removed from the machine 10 with the same articulated-arm robot 20 and deposited in the container 24.
  • each roll 14 or 15 is provided with it wound flat and / or sheet material 26 within the packaging machine 10.
  • Each new roll 14 is inserted by means of the articulated arm robot 20 movably arranged roller gripper 22 in the respective installation position EB1 and EB2, in each case care should be taken that the rollers 14 are used in the correct direction of unwinding.
  • Spent rollers 15 are each removed from the installation position EB1 or EB2 and replaced by new rollers 14.
  • the schematic view of 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 mounting position EB2 no new role 14 has 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.
  • 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 if necessary activatable welding bar 34 the desired continuous operation.
  • a separating device in the area of the fixing and / or welding device 32, can furthermore be arranged, which, for example, may comprise a knife or a cutting bar, and which is to ensure that the material web 26 of the used roll 15 is fed into the machine leading "endless" material web 26 separated and finally the used roll 15 can be removed.
  • a 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 electric motor drive or by motorized and / or by braking assisted deceleration Rotational movement.
  • Corresponding drives and / or brakes for the rotatably mounted retaining mandrels 28 may be located in their support sections 48.
  • 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.
  • the gripping and / or handling device 52 may serve for the handling and movement of the outer layer 36 of the material web 26, which originates from the new roll 14 and has been connected to a web rest 27 of the used roll 15, if this is to wind it up from the rest Material web 26 separated web of material 27 to be prepared together with the portion 36 by reverse rotation of the roller 15 for removal from the device 12.
  • 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 then lower and can be activated to a linear welding with that of the old roll 15th , which is positioned in the first installation position EB1, to carry out the material web 26 (conveyance direction 30 to the right) withdrawn and conveyed into the packaging machine 10.
  • 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 partially used roll 15 with it wound flat and / or sheet material 26, in which a material residue 27 is already separated from the rest of the material web 26, which leads into the machine, so that the roller 15 can be removed from the machine immediately , Preferably after rewinding of the roller 15, whereby the web rest 27 has been wound as completely as possible on the roller 15, possibly with entrainment of a hanging thereon portion 36, which comes from the newly used roller 14 (see the FIGS. 9a to 9p ).
  • 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 in the first installation position EB1 left roll 15 almost unwound and her previously wound thereon sheet 26 is still guided in the conveying direction 30 in the packaging machine 10, to there for the wrapping of piece goods, containers o Likewise to be used article compilations.
  • the new roller 14 located in the second installation position EB2 is already prepared for a material web change by detecting its outer material web layer 36 by detecting the material edge 50 by means of the gripping and / or handling device 52 and pulled a little way from the roller 14 and below the welding bar 34 of the fixing and / or welding device 32 to the left, ie in the direction of the almost used roll 15 has been moved.
  • 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.
  • 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 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.
  • FIG. 8 shows a further phase of the roll change, in which the located in the second mounting position EB2 right roller 14 forms the active roller 14, the material web 26 is guided in the conveying direction 30 in the packaging machine 10 to there for the wrapping of piece goods, containers o. Like. Article compilations to be used.
  • the spent roll 15 located in the first installation position EB1 is prepared for removal by already separating its outer material web layer from the material web 26 and thereby forming a web web rest 27 which is grasped at a material edge by means of the gripping and / or handling device 52 to the left, that is moved in the direction of the almost used roll 15. Possibly. can hang on this web rest 27 a piece of the new roll 14, which is based on the FIGS.
  • the gripping and / or handling device 52 formed by the suction tube 56 is, similarly as explained above, also in this process phase in a position to detect and hold the web rest 27 attached to the old roller 15 by means of pneumatic suction pressure, while the roller 15 is rotated back in the opposite direction to wind this web rest 27 so that it can not cause problems when removing the roller 15 from the device 12, for example. By hanging on any machine parts and tangled there.
  • the suction pressure applied to numerous openings which are distributed over the length of the suction tube 56 and over its circumference must again be strong enough not only to grasp but also to hold the material web residue 27 in the vicinity of the material edge and to turn to the left in the direction of the material edge Roller 15 to move while the roller 15 is rotated.
  • the Fig. 8 In turn, the approximately horizontally extending positioning directions 58 of the suction tube 56 of the gripping and / or handling device 52 as well as the rotation of the suction tube 56 as required executable rotational movements 60 recognize about its longitudinal axis.
  • the suction tube 56 may be suspended, for example, on a slide guide o. The like., Which allows the horizontal movements 58 in the region between the two retaining pins 28 of the left and right mounting positions EB1 and EB2 for the two rollers 14 and 15 and the rotational movements 60.
  • the two installation positions EB1 and EB2 for the rollers 14 and 15 with flat and / or foil material 26 wound thereon or at least one of the installation positions EB1 and / or EB2 with their rotatable holding means in the form of the rotatable holding mandrels 28 for the rollers 14 , 15 with flat and / or sheet material 26 may be made adjustable in height to make about an adaptation to different roll diameter and / or a correction of the delivery paths with gradually depleted material supply of a developed and therefore gradually reducing the diameter roll 15 can ,
  • suitable means for adjusting the height of the rotatable retaining mandrels 28 have.
  • FIGS. 9A to 9O The schematic representations of Fig. 9 show in a total of fifteen pictures ( FIGS. 9A to 9O ) successive process steps of a particularly effective variant of a roll change within the device 12 according to the invention, as has been explained in the preceding figures.
  • FIGS. 9A to 9O In contrast to the previous drawings in this case takes place the removal of the web 26 in both rollers 14 and 15 respectively from above, so that the left roller 14 and 15 (EB1) is wound in a clockwise direction, while the right roller 15 and 14 ( EB2) is turned to the left.
  • the Fig. 9A 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 active roller 15 located in the right-hand installation position EB2 still has almost its original outer circumference, it is already denoted in this illustration by the reference numeral 15, since in the left mounting position EB1 already not activated new role, which in the present Description throughout with the reference numeral 14 has been.
  • 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. 9B ), 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. 9C ), wherein for the exact positioning of the material web 26 of the new roll 14, the suction tube 56 can rotate under winding a definable length of the outer material web layer 36, in this case in left rotation. Possibly.
  • a sensor system for detecting print marks can control the length of the material web 36 to be wound on the suction pipe 56, so that a suitable connection to the material web 26 can be achieved, which is already in the packaging machine.
  • the welding bar 34 is lowered in order to weld and connect the material webs 26 ( Fig. 9D ).
  • a correction of the web position of the supplied from the new roll web 26 and 36 respectively take place in order to achieve an optimal connection of the material webs, taking into account the printed images applied to the material webs 26. This can be ensured that a printing of the webs or film packaging is after the preparation of a package at a desired location and not displaced or slipped, which could be perceived as a quality defect of the finished packaging.
  • the material web of the right spent roll 15 can be separated from the web 26 fed into the machine. This separation can be done, for example, with a cutting or separating device, not shown here.
  • the roller 15 it may be useful to turn back the suction tube 56 and / or zu deliver to the worn roller 15 to guide the webs 27 and 36 and keep tight or at least ensure that they do not sag down and can lead to disturbances.
  • the suction pipe 56 can be returned to its original position in the vicinity of the welding bar.
  • no interference can be caused, for example.
  • the left roll 14 is the active roll from which the material web 26 serving as packaging material for the machine is unwound ( Fig. 9G ), so that the used roll 15 in the second installation position EB2 can be replaced by a new roll 14 ( Fig. 9H ). 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. 9I ), 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. 9B again the suction tube 56 is set ( Fig.
  • the suction tube 56 can support this winding process of the used left roller 15 by being rotated and / or delivered to the old roller 15 for unwinding of the material web section 36 still on it, originating from the new roller 14 ( Fig. 9M, Fig. 9N ).

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (15)

  1. 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 ou d'installation (EB1; EB2) d'une machine d'emballage (10) et est remplacé 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 est retirée à proximité ou au niveau de son extrémité libre (50) et, pour former une bande de matériau (26) ininterrompue, est reliée à une portion d'une bande de matériau (26) guidée dans une chaîne d'emballage, tandis que, avant, en même temps ou ensuite, la bande de matériau (26) retirée du rouleau (15) au moins en partie déroulé et/ou épuisé est séparée de la bande de matériau (26) guidée dans la chaîne d'emballage, et dans lequel, avant de retirer le rouleau (15) respectivement au moins en partie déroulé et/ou épuisé de la machine d'emballage (10), un reste de bande de matériau (27) menant vers un point de séparation est enroulé au moins en partie sur le rouleau (15) au moins en partie déroulé et/ou épuisé en retournant ledit rouleau (15) contre un sens de rotation de déroulement.
  2. Procédé selon la revendication 1, dans lequel le reste de bande de matériau (27) attaché au rouleau (15) au moins en partie déroulé et/ou épuisé est saisi au moyen d'un dispositif de préhension et/ou de manipulation (52) commandable et est déplacé en direction du rouleau (15) au moins en partie déroulé et/ou épuisé.
  3. Procédé selon la revendication 1 ou 2, dans lequel le reste de bande de matériau (27) attaché au rouleau (15) au moins en partie déroulé et/ou épuisé est enroulé sur le rouleau (15) au moins en partie déroulé et/ou épuisé conjointement avec une portion de bande de matériau (36) du nouveau rouleau (14), qui a été séparée de celui-ci.
  4. Procédé selon la revendication 3, dans lequel la portion de bande de matériau (36) du nouveau rouleau (14), qui a été séparée de celui-ci, est attachée au moins en partie au dispositif de préhension et/ou de manipulation (52) commandable et/ou y est enroulée, dans lequel elle est détachée ou bien déroulée du dispositif de préhension et de manipulation (52) durant l'enroulement des restes (27) et portions (36) de bande de matériau sur le rouleau (15) au moins en partie déroulé et/ou épuisé.
  5. Procédé selon l'une quelconque des revendications 2 à 4, dans lequel le dispositif de préhension et/ou de manipulation (52) commandable agit de concert avec un dispositif de détection (40) destiné à détecter une position du reste de bande de matériau (27) et/ou une position de rotation du rouleau (15) et/ou est commandé en fonction des signaux de capteur de celui-ci.
  6. Procédé selon l'une quelconque des revendications 2 à 5, dans lequel le reste de bande de matériau (27) attaché au rouleau (15) au moins en partie déroulé et/ou épuisé et/ou la portion de bande de matériau (36) reliée à celui-ci, qui provient du nouveau rouleau (14), est saisi(e) au moyen du dispositif de préhension et/ou de manipulation (52) travaillant par pression d'aspiration pneumatique, de façon mécanique par serrage et/ou par adhérence électrostatique, et est déplacé(e) ou bien guidé(e) vers le rouleau (15).
  7. Procédé selon l'une quelconque des revendications 2 à 6, dans lequel le reste de bande de matériau (27) attaché au rouleau (15) au moins en partie déroulé et/ou épuisé et/ou la portion de bande de matériau (36) reliée à celui-ci, qui provient du nouveau rouleau (14), est saisi(e) au moyen du dispositif de préhension et/ou de manipulation (52) déplacé de manière automatisée et commandé en ses activités de maintien, et est déplacé(e) vers le rouleau (15).
  8. Procédé selon l'une quelconque des revendications 2 à 7, dans lequel le dispositif de détection (40) détecte des repères (38, 54) apposés ou appliqués sur le rouleau (15) au moins en partie déroulé et/ou épuisé, et reconnaît et/ou traite leur position, orientation et/ou position angulaire par rapport à une circonférence totale du rouleau (15).
  9. Dispositif (12) 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, à l'intérieur d'une machine d'emballage (10) qui présente au moins une position de montage (EB1, EB2) pour loger à rotation des rouleaux (14, 15) comprenant du matériau plat et/ou en film (26), ainsi que des dispositifs de fixation et/ou de soudage (32) destinés à orienter et à relier des zones d'extrémité libres (50) de matériau plat et/ou en film (26) des nouveaux rouleaux (14) respectivement insérés 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 un dispositif de séparation pour séparer de la bande de matériau (26) guidée dans la chaîne d'emballage une bande de matériau (26) retirée du rouleau (15) au moins en partie déroulé et/ou épuisé, caractérisé par le fait que l'on prévoit des dispositifs destinés à retourner le rouleau (15) respectivement en partie déroulé et/ou épuisé contre un sens de rotation de déroulement et à enrouler, sur le rouleau (15) au moins en partie déroulé et/ou épuisé, au moins une partie d'un reste de bande de matériau (27) menant vers un point de séparation.
  10. Dispositif selon la revendication 9 qui
    - présente au moins un dispositif de préhension et/ou de manipulation (52) commandable destiné à manipuler et à déplacer le reste de bande de matériau (27) du rouleau (15) au moins en partie déroulé et/ou épuisé et au déplacement d'amenée de celui-ci vers le rouleau (15), ou qui
    - présente au moins un dispositif de préhension et/ou de manipulation (52) commandable destiné à manipuler et à déplacer le reste de bande de matériau (27) du rouleau (15) au moins en partie déroulé et/ou épuisé et/ou une portion de bande de matériau (36) y reliée laquelle provient du nouveau rouleau (14), et au déplacement d'amenée de celui-ci/celle-ci vers le rouleau (15).
  11. Dispositif selon la revendication 10, dans lequel le dispositif de préhension et/ou de manipulation (52) commandable constitue une partie d'une unité de changement de rouleau automatisable du dispositif (12).
  12. Dispositif selon la revendication 10 ou 11, dans lequel le dispositif de préhension et/ou de manipulation (52) est constitué par au moins un tube d'aspiration (56) destiné à saisir par pression d'aspiration pneumatique le reste de bande de matériau (27) attaché au rouleau (15) au moins en partie déroulé et/ou épuisé, et/ou une portion de bande de matériau (36) y reliée laquelle provient du nouveau rouleau (14), ou comprend un tel tube d'aspiration (56).
  13. Dispositif selon la revendication 10 ou 11, 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 le reste de bande de matériau (27) attaché au rouleau (15) au moins en partie déroulé et/ou épuisé et/ou une portion de bande de matériau (36) y reliée laquelle provient du nouveau rouleau (14).
  14. Dispositif selon la revendication 10 ou 11, 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 le reste de bande de matériau (27) attaché au rouleau (15) au moins en partie déroulé et/ou épuisé et/ou une portion de bande de matériau (36) y reliée laquelle provient du nouveau rouleau (14).
  15. Dispositif selon la revendication 10 ou 11, 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).
EP15785129.6A 2014-10-30 2015-10-27 Procédé et dispositif de manipulation d'un matériau plat et/ou en feuille enroulé sur des rouleaux Active EP3212552B1 (fr)

Applications Claiming Priority (2)

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DE102014222170.6A DE102014222170A1 (de) 2014-10-30 2014-10-30 Verfahren und Vorrichtung zur Handhabung von auf Rollen gewickeltem Flach- und/oder Folienmaterial
PCT/EP2015/074869 WO2016066643A1 (fr) 2014-10-30 2015-10-27 Procédé et dispositif de manipulation d'un matériau plat et/ou en feuille enroulé sur des rouleaux

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EP3212552A1 EP3212552A1 (fr) 2017-09-06
EP3212552B1 true EP3212552B1 (fr) 2019-09-18

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EP (1) EP3212552B1 (fr)
CN (1) CN207998340U (fr)
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CN110040547B (zh) * 2019-04-30 2024-04-26 泉州创立得智能科技有限公司 一种电加热换接料装置
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DE102014222170A1 (de) 2016-05-04
CN207998340U (zh) 2018-10-23
WO2016066643A1 (fr) 2016-05-06
EP3212552A1 (fr) 2017-09-06

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