EP3212549B1 - 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
EP3212549B1
EP3212549B1 EP15787957.8A EP15787957A EP3212549B1 EP 3212549 B1 EP3212549 B1 EP 3212549B1 EP 15787957 A EP15787957 A EP 15787957A EP 3212549 B1 EP3212549 B1 EP 3212549B1
Authority
EP
European Patent Office
Prior art keywords
new
roll
rolls
handling device
rotation
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
EP15787957.8A
Other languages
German (de)
English (en)
Other versions
EP3212549A1 (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
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Filing date
Publication date
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Publication of EP3212549A1 publication Critical patent/EP3212549A1/fr
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Publication of EP3212549B1 publication Critical patent/EP3212549B1/fr
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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
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/123—Lifting, transporting, or inserting the web roll; Removing empty core with cantilever supporting arrangements
    • 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
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/01—Function indicators indicating an entity as a function of which control, adjustment or change is performed, i.e. input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2220/00—Function indicators
    • B65H2220/02—Function indicators indicating an entity which is controlled, adjusted or changed by a control process, i.e. output
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/325—Orientation of handled material of roll of material
    • 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
    • B65H2511/216—Orientation, e.g. with respect to direction of movement
    • 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 and a device for handling flat and / or film material wound on rolls.
  • containers that comprise four, six or more containers are known from the prior art. Such containers are still one of the most common variants of sales units for beverage containers or bottles made of PET plastic. It is therefore desirable to put together such containers as quickly as possible without interrupting individual process steps in order to be able to achieve a high throughput.
  • devices and methods which unwind the material from one or more rolls. Following this, the individual containers or the respective articles which are intended for the container are then enveloped with the packaging material.
  • the unwinding of the packaging material from the roll can be done by machine. For example, devices are known which pull the packaging material off the roll via rollers, the respective roller being moved in a rotating manner. If the supply of packaging material for a roll is exhausted, the respective roll must be exchanged or replaced with a new roll. This is associated with an undesirable interruption in the process of putting together the containers.
  • a method and a device by means of which new rolls can be delivered and used rolls can be exchanged are, for example, from DE 40 40 545 A1 known.
  • the device known from the DE patent application 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.
  • the roles manually placed on a common pin In practice, devices and methods would be desirable by means of which flat and / or film material can be made available without interruption, the devices or methods also having a high degree of automation.
  • a device with a film splicing station in which the film web is fed to a roll newly inserted in a packaging machine with the support of a holding device of a welding device, is from the 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.
  • the DE 42 21 052 A1 discloses a device for handling bobbins made of wound webs of material which are to be used primarily as packaging material in packaging machines.
  • the bobbins are picked up by a bobbin conveyor which can be moved above a processing machine and each has a bobbin holder that grips one bobbin, transported and set down on the packaging machine.
  • the reel holder should be variably adjustable with respect to the reel conveyor, so that reels can be brought into any position and deposited.
  • the invention relates to a method for handling flat and / or film material wound on rolls and used as packaging material for piece goods, bundles or similar article combinations.
  • the flat and / or film material can therefore be designed, for example, as a shrink film or from another film or flat web material.
  • the rollers can have a core, the geometric shape of which corresponds to a hollow cylinder and which can consist at least partially of cellulose-containing material. In this way, the respective new roll can advantageously be placed on a pin of the packaging machine that corresponds to the core and can rotate on the pin when the packaging material is pulled off or removed from the roll.
  • each installation position can have a pin on which the new roll is placed and on which the respective roll rotates for unwinding its respective flat and / or film material.
  • the rollers can be fixed in a clamping manner on the journal in their respective installation position.
  • the pin can be driven to rotate and transmit a torque to the respective seated roller, so that the roller is moved in a rotating manner for unwinding its flat and / or film material via its pin.
  • Each pin can be assigned a drive via which the respective pin is rotated.
  • the drives can be connected to a control unit, which is described in more detail below, or can be controlled via a control unit, which is described in more detail below, for rotating the pins.
  • a control unit which is described in more detail below
  • the clamping connection between the pin and the roll can be released so that the roll is then no longer firmly connected to the pin and can be removed from the pin .
  • the rotating movement of the pin can be interrupted until a new roller has been placed on the pin or inserted into the corresponding installation position.
  • the at least partially unwound and / or used up rolls can be alternately removed from at least two different installation positions of the packaging machine in order to maintain an approximately continuous packaging operation, and a new roll with flat and / or film material can then be inserted into the respective installation position.
  • each of the at least two installation positions can have a pin on which the new roll is placed and on which the respective roll rotates for unwinding its respective flat and / or film material.
  • the packaging operation can be interrupted during the roll change or, if necessary, also continue uninterrupted.
  • the above-mentioned variant with only one installation position for a roll only enables uninterrupted packaging operation during a roll change if an additional storage device for flat and / or film material is provided, from which this material is conveyed out during the roll change and made available to the packaging company can be.
  • the method basically enables uninterrupted handling of flat and / or film material wound on rolls and used as packaging material for piece goods, bundles or similar article combinations, so that a continuously running packaging operation can be maintained.
  • at least two different installation positions are required for a roll with flat and / or film material, so that the roll in one installation position can be continuously unwound, while the other installation position is used for a roll change and for the provision of new flat and / or or film material is available, so that depending on the design of the changing and connecting, gluing or welding process when changing rolls, a continuous or a quasi-continuous packaging operation can be maintained.
  • the method according to the invention relates equally to such uninterrupted handling as well as briefly interrupted handling of flat and / or film material wound on rolls within a packaging process.
  • the method also relates to a handling method using only one installation position within the packaging machine, it becomes clear that a continuous or uninterrupted packaging operation is only possible with the aid of a buffer or some other auxiliary measure is because the conveying process of film or flat material must be interrupted at least during the roll change.
  • an outer layer of the respective new roll near or in the area of its free end is pulled off and connected to a section of a material web of another roll in the packaging machine to form an uninterrupted material web.
  • the outer layer of the respective new roll used is removed by means of a gripping and / or handling device that operates with pneumatic suction pressure, mechanically clamping and / or electrostatically adhering, and which extends back and forth between the at least two installation positions moved here.
  • the gripping and / or handling device can alternately pull out layers of the new rolls from the at least two installation positions.
  • embodiments have proven successful in which the gripping and / or handling device temporarily fixes the respective outer position of a new roll by means of negative pressure.
  • a welding rod can be provided, which is moved in a downward direction and in this case welds the outer layer of the respective new roll to the material web guided in the packaging machine.
  • the respective outer layer can be moved into a working area of the welding rod via the gripping and / or handling device.
  • the temperature-controlled welding rod can thus move the outer layer of the respective new roll in a clamping manner against the material web guided in the packaging machine.
  • embodiments have proven to be useful in which the welding rod is moved vertically up and down for this purpose and, during a vertical lowering movement, the respective outer layer of a new roll is welded to a material web guided in the packaging machine.
  • the flat and / or film material of the further roll is not completely used up during the insertion of a new roll and during the connection, so that flat and / or film material can be removed from at least one roll of the at least one installation position without interruption for continuous packaging operation. which is handled in two installation positions.
  • the new role can therefore be used while the other role in the Packaging machine flat and / or film material is unwound. Even when an at least approximately completely unwound and / or used up roll is removed from the packaging machine, flat and / or film material can be unwound from another roll of the packaging machine, so that flat and / or film material from at least one is positioned continuously and without interruption in the packaging machine Role is unwound.
  • the uninterrupted or continuous packaging operation represents a special case, while the method according to the invention equally relates to the case of the packaging operation which is briefly interrupted for the roll change.
  • At least approximately completely unwound and / or applied rolls of the at least two installation positions are preferably detected by sensors and replaced by new rolls with flat and / or film material by means of a handling device.
  • Sensory detection can take place, for example, with the aid of optical detectors or an optical detection system, which can be arranged in the area of the installation positions.
  • the optical detection system or the optical detector and the handling device can be connected to a control unit.
  • a sensory detection can optionally also with the help of tactile detectors or a tactile, i.e. contacting detection system take place, which can be arranged in the area of the at least one installation position.
  • the detection system or the tactile or touching detector and the handling device can be connected to a control unit.
  • sensory detection can also take place with the aid of ultrasonic detectors or an ultrasonic detection system, which can be arranged in the area of the installation positions for the rolls with flat and / or film material wound thereon.
  • the detection system or the ultrasonic detector and the handling device can in turn be connected to the mentioned control unit.
  • the direction of rotation and / or orientation conforming to the direction of rotation can be determined and / or checked during or after the insertion of the new roller.
  • embodiments have proven particularly useful in which the determination and / or checking of the direction of rotation and / or orientation conforming to the direction of rotation by means of optical, tactile or ultrasound-supported detection, possibly also in other ways.
  • the invention is not limited to such embodiments limited, so that, for example, haptic, tactile and / or further mechanisms can also be provided in order to check the direction of rotation and / or the orientation of the respective new role that conforms to the direction of rotation.
  • the respective new roller can be inserted into its assigned installation position or remain in its respective assigned installation position. If an incorrect direction of rotation and / or incorrect positioning conforming to the direction of rotation is determined, the respective new roller can be adjusted or another new roller with a suitable direction of rotation and / or orientation conforming to the direction of rotation can be selected for insertion and inserted into the respective installation position.
  • a direction of rotation and / or a positioning that conforms to the direction of rotation of a new roller that has already been inserted in its respective installation position is checked and / or determined. If a wrong direction of rotation and / or a wrong position conforming to the direction of rotation has been determined, the respective new roll can be removed from the packaging machine, oriented or aligned in accordance with the direction of rotation or with the appropriate direction of rotation and then reinserted in its respective installation position. The orientation conforming to the direction of rotation or the orientation with the appropriate direction of rotation as well as the reinsertion of the roll in its respective installation position can then take place before connecting or welding its outer layer to the material web still remaining in the packaging machine.
  • flat and / or packaging material can be continuously unwound from a further roll arranged in the packaging machine or in one of the at least two installation positions.
  • an additional deflection roller can also be used, which makes it possible to leave rollers that would normally have to be turned in their place and to guide the flat and / or film material unwound therefrom over this optionally insertable deflection roller to guide the flat web to be adapted to the required processing direction in the packaging machine. If, on the other hand, the roll with the flat and / or film material wound on it was used in the appropriate direction of rotation, this additional deflection roll is not required so that it can be moved or deactivated or removed from its place by machine.
  • a rotational direction and / or rotational direction-conforming positioning of a new roller is checked and / or ascertained before it is inserted into its respective installation position. If an incorrect direction of rotation and / or incorrect positioning that conforms to the direction of rotation was then determined or checked, it is possible to check or determine the direction of rotation and / or to position another roller that conforms to the direction of rotation and insert this into the installation position if the direction of rotation and / or the direction of rotation is correct .
  • the new roller can be brought into a suitable direction of rotation conforming orientation or suitable direction of rotation and then inserted into the respective installation position.
  • the handling device has at least one detector, in particular an optical detector and preferably a camera system, which is moved into the area of the new rollers via the handling device, the direction of rotation and / or the direction of rotation conforming by means of the detector or the optical detector Orientation of the new roles is checked.
  • detector principles for example ultrasonic detectors or tactile detectors, are also suitable for the required application.
  • the handling device already described above can be in operative connection with the detector or with the optical detector for receiving new rolls with a suitable direction of rotation or suitable orientation conforming to the direction of rotation.
  • the receipt of a new roll with an orientation that conforms to the direction of rotation or a suitable direction of rotation via the handling device and the subsequent insertion into its respective installation position can thus be carried out fully automatically.
  • the handling device can be coupled to the detector or the optical detector via a control unit.
  • rollers for unwinding the packaging material are each moved in rotation with the same direction of rotation in the installation position. If the rollers are positioned alternately in two installation positions, it can also be provided that the rollers for unwinding the Packaging material are moved in rotation in all of the at least two installation positions with the same direction of rotation.
  • At least one optical marking and in particular at least one reflective marking are applied to a portion of the new rolls in the region of their free ends.
  • the optical detector determines and / or checks the direction of rotation and / or the orientation of the new roller in conformity with the direction of rotation by means of the optical identification.
  • the optical marking can be designed as an adhesive marking and glued to the portion of the new rolls in the area of their free ends or attached by means of surface adhesion.
  • at least two optical markings or reflective markings can be provided for each free end of a new roll. If other than optical detection systems are used, it can make sense to attach identifiable identifications to the rollers, for example identifications that can be detected by means of ultrasound detection devices or that can be detected by means of tactile detection devices.
  • the handling device inserts the new rollers into their respective installation position or that the new rollers are aligned in their respective installation position before the respective outer layer is removed in such a way that the optical markings point in the direction of a respective opposite installation position.
  • the new rollers can be aligned in their respective installation position, for example, by rotating a pin by less than 360 °, on which the respective new roller is seated in its installation position.
  • the optical detector and the rotating pin can be connected to a control unit which controls a rotation of the respective pin by less than 360 ° in order to align the new rollers, taking into account a respective position of the optical marking determined by the optical detector.
  • the at least one marking or optical marking is applied to the respective new roll before it is inserted into its respective installation position in such a way that the free end of the respective new roll is at least largely immovably fixed to the respective new roll by means of the identification . Since the free end is fixed immovably on the respective new roller, its outer position near or in the area of its free end can simply be removed after the new roller has been inserted. As already mentioned, the pulling off can, for example, via a gripping and / or handling device take place, which preferably mechanically fixes or grips the outer layer of the new role in the area of its free end and then moves away from the new role in order to pull the outer layer from the respective new role.
  • the optical detector can be moved into the area of the respective new roll via the handling device and there recognize its respective optical identification for checking and / or determining the direction of rotation and / or positioning the new roll in conformity with the direction of rotation.
  • the optical detector can be designed as a camera system which is connected to a control unit. If other sensors or sensor principles are used, the detector used in each case can be moved into the area of the respective new roll via the handling device and recognize its respective detectable identification there to check and / or determine the direction of rotation and / or position the new roll in conformity with the direction of rotation.
  • the detector can be designed as an ultrasonic detection system or as a tactile detection system which is connected to a control unit.
  • the handling device can have a holding mandrel which dips into the front side of the new roller designed as a hollow body, enlarges its maximum cross-sectional diameter and thereby fixes the respective new roller to the handling device in a clamping manner.
  • the optical detection system can be arranged in the area of the holding mandrel, so that a check or a determination of the direction of rotation and / or the correct positioning of a respective new roller can be carried out in immediately successive steps and then the respective new roller with a suitable direction of rotation and / or rotational direction-conforming positioning via the holding mandrel of the handling device by enlarging its maximum cross-sectional diameter.
  • the longitudinal extension of the holding mandrel can be made smaller than a longitudinal extension of the hollow core of the new rollers, so that the respective new roller can be pushed onto a pin assigned to the respective installation position of the packaging machine with the holding mandrel engaging in the core.
  • the cross-sectional diameter of the holding mandrel can then be reduced in time so that the clamping connection between the holding mandrel and the respective new roller is released.
  • the handling device or the holding mandrel of the handling device can then be guided in the direction of another new roller while the new roller inserted into the respective installation position via the handling device sits non-rotatably on the pin assigned to the respective installation position.
  • the new rollers can be inserted into their respective installation position in such a way that, after insertion, their free ends are oriented in the direction of one of the at least two installation positions opposite one another.
  • the at least one optical identification which was applied to a portion of the new rolls in the area of their free ends, is recognized by the optical detector or the optical detection system, information about this is transmitted to a control unit and the Control unit controls the handling device in such a way that, after insertion, the free ends of the new rollers are oriented in the direction of one of the at least two installation positions that are opposite each other.
  • the at least one identification which was applied to a portion of the new rolls in the area of their free ends, is recognized by the detector or the detection system, information about this is transmitted to a control unit and the control unit the handling device controls in such a way that after insertion, the free ends of the new rollers are oriented in the direction of a respective opposite of the at least two installation positions.
  • the detector or the optical detector or the optical detection system is arranged in the area of the at least two installation positions and recognizes an orientation of the at least one optical identifier after inserting a respective new roller and transmits information about this to the control unit.
  • the control unit can also cause the pins on which the new rollers are seated to rotate in such a way that, after rotation, the free ends or the sensor-detectable labels or the optical labels of the new rollers point in the direction of the opposite of the at least two installation positions.
  • the new rolls can be moved into the area of the handling device via a horizontal conveyor device, made available to the handling device and removed directly from the horizontal conveyor device by means of the handling device.
  • the horizontal conveyor can be designed as a revolving endless conveyor belt.
  • a manipulator can be positioned at the beginning or to the side of a section of the horizontal conveyor, with the aid of which new rollers are placed, preferably upright, on the horizontal conveyor.
  • the manipulator can also have a holding mandrel, which is inserted on the front side into new roles or into a core of the new roles and grips the new roles by increasing its cross-sectional diameter.
  • the manipulator can be operated manually and that new roles are set up by means of the manipulator via a user.
  • a control unit is connected to the handling device and the horizontal conveyor device and, taking into account the removal of new rolls from the horizontal conveyor device by means of the handling device, specifies a clocked operation of the horizontal conveyor device.
  • the handling device can immediately access new roles when required and without personnel support, whereby the degree of automation can be increased further.
  • the invention also relates to a device for handling flat and / or film material that is wound on rolls and used as packaging material for packaging piece goods, bundles or similar article combinations.
  • a device for handling flat and / or film material that is wound on rolls and used as packaging material for packaging piece goods, bundles or similar article combinations.
  • the device is provided for handling flat and / or film material that is wound up on rolls and used as packaging material for packaging piece goods, bundles or similar article combinations.
  • the device has a packaging machine with at least one installation position, possibly with at least two different installation positions, each of which is provided for the rotating reception of rolls with flat and / or film material.
  • Another component of the packaging machine is one or more coupling means that are used to align and connect free end areas of flat and / or film material of the new rolls used in the at least two installation positions with one material web that is already running in the packaging machine is formed by a further roll which is already located in the packaging machine when it is inserted.
  • flat and / or film material can be unwound continuously from at least one in the packaging machine or from at least one roll of the at least two installation positions, whereby a continuous packaging operation can be ensured.
  • the at least one installation position for the rolls with flat and / or film material wound thereon or the typically two installation positions with their rotatable holding means for the rolls with flat and / or film material can be designed to be adjustable in height for example, to be able to adapt to different roll diameters and / or to correct the conveying paths when the material supply of an unwound and therefore gradually reduced in diameter roll is gradually used up.
  • Part of the one or more coupling means can for example be a welding rod and a gripping and / or handling device, as already described above, so that for this reason their function and design are not mentioned again below.
  • the device according to the invention also has at least one sensor system by means of which at least approximately completely unwound and / or used rolls of the at least two installation positions can be recognized.
  • the sensor system can be designed, for example, as an optical detection system or as an optical detector, optionally also as an ultrasound detection system or as a tactile detection system.
  • a detection area of the sensor system can extend over the at least two installation positions.
  • the device according to the invention also has a control unit coupled to the sensor system, via which control unit, when the roll is at least approximately completely unwound and / or used up, the handling device can be controlled to independently replace the at least approximately completely unwound and / or used up roll with a new one.
  • the device can have an optical detector or an optical detection system which is designed to check and / or determine a direction of rotation and / or an orientation conforming to the direction of rotation of respective new rollers provided for the at least two installation positions.
  • the optical detection system or the optical detector can comprise at least one camera system.
  • the optical detector or the optical detection system is operatively connected to the handling device via the control unit, and a respective direction of rotation and / or orientation of new rollers that conforms to the direction of rotation can be checked and / or determined via the optical detector or the optical detection system the new rollers can be used by means of the handling device with the appropriate direction of rotation and / or orientation conforming to the direction of rotation and / or can be aligned by means of the handling device with the appropriate direction of rotation and / or orientation conforming to the direction of rotation.
  • the device has an optical display unit coupled to the control unit, such as a display or the like, via which information on the direction of rotation and / or orientation conforming to the direction of rotation is displayed. For example, if the direction of rotation is incorrect or the orientation of new rollers is incorrect, the optical display unit outputs a message to a user. It is also conceivable that information on the direction of rotation and / or orientation conforming to the direction of rotation is output as an acoustic signal.
  • the control unit such as a display or the like
  • An initiation can take place with an operative connection of the control unit with a handling device or the handling device can be controlled with a suitable direction of rotation and / or orientation conforming to the direction of rotation of new rollers to insert a respective new roller with a suitable direction of rotation and / or orientation conforming to the direction of rotation.
  • the handling device picks up the respective new roller and moves it in the direction of one of the at least two installation positions if the direction of rotation is appropriately determined and / or checked or the orientation conforms to the direction of rotation.
  • an additional deflection roller can also be used, which makes it possible to leave rollers that would normally have to be turned in their place and to guide the flat and / or film material unwound therefrom over this optionally usable deflection roller in order to bring the flat web guide to the to adapt the processing direction required in the packaging machine. If the roll with the flat and / or film material wound on it is in the appropriate one Direction of rotation has been used, this additional pulley is not required, so that it can be moved or deactivated or mechanically removed from its place.
  • control unit is connected to a handling device by means of which rollers with at least partially unwound and / or used rollers can be independently removed from the respective installation position and new rollers with a suitable direction of rotation and / or a suitable orientation conforming to the direction of rotation can be moved into the at least two installation positions can be used.
  • an algorithm can be stored on the control unit, whereby a certain control of the handling device is effected via the algorithm, taking into account the direction of rotation determined by the optical detector and / or the orientation of the respective new roll that is in conformity with the direction of rotation.
  • the handling device for the clamping fixation of the new rollers designed as hollow bodies can comprise a preferably cylindrical holding mandrel with an adjustable maximum cross-sectional diameter.
  • the adjustment of the cross-section diameter can take place via the control unit or be specified by the control unit.
  • the handling device can have a movable gripping arm, the holding mandrel being arranged at the free end of the gripping arm.
  • the handling device can be preceded by a horizontal conveyor device designed to transport new rolls, which extends into a work area of the handling device and which can be controlled via the control unit, taking into account the removal of new rolls by the handling device with clocked operation.
  • the handling device is provided with new rolls on pallets or the like.
  • the new rollers can be placed in the container in a disordered manner or with any desired orientation, with the direction of rotation and / or orientation conforming to the direction of rotation being able to be checked and / or ascertained by means of the optical detector.
  • the detector or the optical detector can also be mechanically coupled to the handling device and can be moved via the handling device in the direction of the respective new rollers provided for the at least two installation positions.
  • the optical detector or the optical detection system can be arranged in the area of a free end of a gripping arm of the handling device.
  • the holding mandrel already described can be arranged in the region of a free end of a gripping arm of the handling device.
  • the optical detection system or the optical detector and the holding mandrel can thus be moved together by the handling device to the respective new roll.
  • the optical detector or the optical detection system can also be designed as a camera system in conceivable embodiments of the device according to the invention.
  • the packaging machine can have at least one fixed detection system or a fixed detector in the area of the at least one installation position, in particular in the area of the two installation positions, the direction of rotation and / or the orientation conforming to the direction of rotation of the respective in the at least two via the detection system or the fixed detector Installation positions used new roles can be determined and / or checked.
  • the fixed detection system or the fixed detector can also be designed as a camera system. It is conceivable here that the device has at least one stationary detection system or one stationary detector in the area of the at least two installation positions and also has a detector mechanically coupled to the handling device or a detection system coupled to the handling device. In further embodiments, the device can only have a fixed detection system or a fixed detector or a detection system mechanically coupled to the handling device or a detector mechanically coupled to the handling device.
  • the coupling means can have at least one gripping and / or handling device that can be moved back and forth between the at least two installation positions, by means of which the free end areas of flat and / or film material of new rolls can be temporarily gripped with pneumatic suction pressure, mechanically clamping and / or electrostatically adhesive are.
  • Fig. 1 shows a schematic perspective view of a first embodiment of a device 1 according to the invention
  • Fig. 1 a conceivable implementation of an embodiment for the method according to the invention.
  • the device 1 is used to handle packaging material or shrink film that is wound onto rolls 5.
  • a packaging machine 3 to which new rolls 5 are fed via a handling device 7.
  • the handling device 7 uses the respective new rollers 5 in two different installation positions EB1 and EB2, which are shown in FIG Fig. 1 can only be seen rudimentary and in the detailed view of the Fig. 3 be exemplified.
  • the packaging machine 3 can optionally also have only one installation position EB1 or EB2, so that a roll change almost necessarily results in an interruption of the packaging operation.
  • a new roll 5 is inserted into one of the two installation positions EB1 or EB2 via the handling device 7, while in the further installation position EB1 or EB2 there is still a roll 5 of which a material web MB is inserted during the insertion of the new roll 5 is handled.
  • the outer layer 15 is welded (cf. Fig. 5 ) the new roll 5 with the material web MB, so that the device 1 can thereby be operated continuously without having to interrupt the process for replacing an applied roll 5.
  • the new rolls 5 are composed of packaging material or shrink film and a core 6 on which the packaging material or shrink film is wound.
  • the handling device 7 dips into a core 6 of the new roll 5 at the end via a holding mandrel 17.
  • a gripping arm 8 of the handling device 7 can for this purpose about an axis of rotation 16, as they Fig. 6 present patent application shows an example, are moved in rotation. After the holding mandrel 17 has dipped into the core 6, the cross-sectional diameter of the holding mandrel 17 is increased so that the new roller 5, as also in FIG Fig. 7 shown, is fixed by clamping on the holding mandrel 17.
  • the core 6 is designed as a hollow cylinder, the shape of the retaining mandrel 17 corresponding thereto, so that the retaining mandrel 17 is to be clamped in place new roller 5 is connected via its outer circumference with an inner circumferential surface of the core 6.
  • the handling device 7 is provided with new rolls 5 in such a way that when a new roll 5 is removed from the horizontal conveyor device 13, another new roll 5 is moved further in the direction of the handling device 7 or moves up in the direction of the handling device 7.
  • the horizontal conveyor device 13 can thus be cycled or operated continuously at a constant speed. Their operation is specified by the control unit S.
  • a manipulator 12 positioned in the area of the horizontal conveyor device 13 can also be seen, which is operated by a user 30 and over which new rollers 5 are placed standing on the horizontal conveyor device 13.
  • the new rolls 5 stand on a pallet 9, from which the user 30 receives them by means of the manipulator 12 and places them on the horizontal conveyor device 13.
  • a working area of the manipulator 12 therefore extends over the pallet 9 and a section of the horizontal conveyor device 13.
  • a container 20 is also shown, which is located in the working area of the handling device 7. If the supply of packaging material or shrink film of a roll 5 placed in the packaging machine 3 is exhausted, the cellulose or plastic core 6 of an empty roll 5 is removed from the packaging machine 3 by the handling device 7 and stored in the container 20. Only after the core 6 has been removed can a new roll 5 be inserted into the respective installation position EB1 or EB2 of the packaging machine 3, so that the handling device 7 first removes the core 6 and subsequently a new roll 5 is inserted into the respective installation position EB1 or EB2. EB2 starts.
  • the horizontal conveyor device 13, the handling device 7 and the packaging machine 3 are connected to a control unit S.
  • the control unit S specifies the clocked operation of the horizontal conveyor device 13, initiates the insertion and removal of rolls 5 by the handling device 7 from the two installation positions EB1 and EB2 and, as will be described in more detail below, controls the unrolling of packaging material or shrink film of the rollers 5 used in the packaging machine 7.
  • the control unit S has or is also connected to a display, not shown, via which information on the direction of rotation or the orientation of new rollers 5 conforming to the direction of rotation is displayed visibly for a user 30.
  • the direction of rotation or the direction of rotation conforming orientation of the new rollers 5 is, as follows for the Figures 3 to 7 described, detected and / or checked by a camera 19 or 21, which is connected to the control unit S. Since the handling device 7 can remove the respective core 6 of an empty roll 5 from the packaging machine 7 and, with the aid of the cameras 19 or 21, automatically insert new rolls 5 with a suitable direction of rotation or with an orientation that conforms to the direction of rotation in the packaging machine 3, the device 1 can at least from the beginning of the receipt of new rolls 5 from the horizontal conveyor 13 are operated completely automatically.
  • Fig. 2 shows a schematic perspective view of a further embodiment of a device 1 according to the invention
  • Fig. 2 another conceivable implementation of an embodiment for the method according to the invention.
  • the handling device 7 and the packaging machine 3 have an identical structure to the exemplary embodiment Fig. 1 .
  • the direct receipt of the new rolls 5 from the respective pallet 9 also takes place in Fig. 2 by engagement of the holding mandrel 17 in the hollow cylindrical core 6 of the respective new roll 5.
  • the respective core 6 of used rolls 5 is also placed in a container 20.
  • FIG. 3 a schematic perspective view of two installation positions EB1 and EB2, as shown for a device 1 or a packaging machine 3 according to the exemplary embodiments Figures 1 and 2 can be provided.
  • Each of the installation positions EB1 and EB2 has its own pin 27, on which pin 27 new rollers 5 via the handling device 7 (cf. Figures 1 and 2 ) are attached and fixed by increasing the diameter of the pin 27 on the respective pin 27 by clamping.
  • a welding bar 25 is also shown, which is used to connect an outer layer 15 (cf. Fig. 5 ) the new roller 5 inserted in the respective installation position EB1 or EB2 (cf. Fig. 4 ) is provided with the material web MB remaining in the packaging machine 3 and is lowered vertically for this purpose.
  • the temperature-controlled sealing bar 25 is raised vertically and inserted into the in Fig. 3 position shown.
  • a roller 5 sits on the pin 27 of the first installation position EB1 and is moved in a rotating manner by the pin 27. In this case, the packaging material or the shrink film of the roller 5 seated on the pin 27 of the first installation position EB1 is unwound.
  • a roll 5 has already been completely unwound and the core 6 (cf. Fig. 1 and 2 ) via the handling device 7 (cf. Fig. 1 and 2 ) removed so that the second installation position EB2 or the pin 27 of the second installation position EB2 is ready for receiving a new roll 5 with packaging material.
  • Each of the installation positions EB1 and EB2 is assigned its own sensor system or a camera 19, by means of which at least approximately completely unwound and / or used rolls 5 can be optically recognized. If a roll 5 is at least approximately completely unwound and / or used up, the respective camera 19 sends information about the respective at least approximately completely unwound and / or used up roll 5 to the control unit S. The control unit S then controls the handling device 7 (cf. Figures 1 and 2 ) to remove the respective at least approximately completely unwound and / or applied roll 5 or to remove the core 6 from the respective at least approximately completely unwound and / or used roll 5.
  • the handling device 7 cf. Figures 1 and 2
  • the handling device 7 plunges over its holding mandrel 15 (cf. Fig. 7 ) into the core 6 of the at least approximately completely unwound and / or used up roll 5.
  • the respective at least approximately completely unwound and / or used roll 5 is then fixed on the holding mandrel 15 of the handling device 7.
  • An increase in the cross-sectional diameter of the holding mandrel 15 is specified via the control unit S.
  • the at least approximately fully unwound and / or used up roller 5 is moved via the handling device 7 and as specified by the control unit S in the direction of the container 20 (cf. Figures 1 and 2 ) moved and stored there by reducing the cross-sectional diameter of the holding mandrel 15 in the container 20.
  • the handling device 7 is controlled via the control unit S for inserting a new roller 5 in the respective installation position EB1 or EB2.
  • the direction of rotation or the orientation of the respective new roller 5, which conforms to the direction of rotation can be checked, as already described above.
  • the device 1 can thus be operated in an automated manner.
  • Embodiment according to Fig. 3 is only to be understood as an example, so that further embodiments are conceivable in which only one camera 19 is assigned to the two installation positions EB1 and EB2, the detection range of which extends over the two installation positions EB1 and EB2.
  • the control unit S can initiate an alignment correction of the respective new roller 5 via the handling device 7. This can then the respective new role 5 from their respective Remove installation position EB1 or EB2, align with the appropriate direction of rotation and / or orientation conforming to the direction of rotation and then reinsert it in their respective installation position EB1 or EB2 with the appropriate direction of rotation and / or orientation conforming to the direction of rotation.
  • the representation of the Fig. 4 shows the installation positions EB1 and EB2 of the Fig. 3 with inserted new roller 5 for the second installation position EB2.
  • Fig. 3 was in view of Fig. 4 by means of the handling device 7 (cf. Figures 1 and 2 ) a new roller 5 is pushed onto the pin 27 of the second installation position EB2.
  • the packaging material or shrink film is unwound from the roll 5 of the first installation position EB1, so that the packaging machine 3 (cf. Figures 1 and 2 ) can continue to be operated even if the roller 5 is replaced from the second installation position EB2.
  • packaging material or shrink film can continue to be unwound from the roll 5 of the second installation position EB2, thereby enabling the packaging machine 3 to operate continuously and without interruption.
  • the new role 5 from the second installation position EB2 Fig. 4 has a reflective adhesive marking 22 which is applied to the outer layer 15 of the new roll 5 in the region of its free end.
  • the camera 19 assigned to the second installation position EB2 is now able to use the adhesive marking 22 to check whether the new roller 5 has been pushed onto the pin 27 with the appropriate direction of rotation or with an orientation that conforms to the direction of rotation.
  • a synopsis of the Figures 4 and 5 It is clear that with a new roller 5 of the second installation position EB2, the outer layer 15 is guided from above over the roller 5 and dips downwards.
  • the pin 27 is moved in a rotating manner until the adhesive marking 22 points in the direction of the opposite installation position EB1 or EB2. Only after this alignment the adhesive marking 22 can only be in Fig. 5
  • the gripping and / or handling device 14 shown grip the outer layer 15 of the new roll 5 and position it below the welding bar 25.
  • the two installation positions EB1 and EB2 for the rollers 5 with flat and / or film material 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 pins 27 for the rollers 5 with flat and / or film material can be designed to be adjustable in height, for example in order to adapt to different roll diameters and / or to correct the conveying paths when the material supply is gradually used up in a developed and therefore to be able to gradually reduce the diameter of the role 5.
  • the frames on which the horizontally arranged pins 27 are rotatably held and mounted can have suitable means for adjusting the height of the rotatable pins 27.
  • the Fig. 6 shows a perspective view of a handling device 7 as it can be provided for conceivable embodiments of the device 1 according to the invention and for implementing the method according to the invention.
  • the gripping arm 8 of the handling device 7 can be pivoted about the horizontally oriented axis 16 so that the holding mandrel 17 of the handling device 7 can be aligned with its longitudinal axis vertically oriented for dipping into the core 6 of the respective new roll 5. If the respective new roll 5 has been grasped by the handling device 7 or by means of the holding mandrel 17, the new roll 5 can be rotated about the axis 16 by a renewed pivoting movement of the gripping arm 8 and then moved to its respective associated installation position EB1 or EB2 (cf. . Figures 3 to 5 ) can be used.
  • a camera 21 is permanently mechanically coupled to the gripping arm 8, so that it is guided together with the gripping arm 8 when the gripping arm 8 moves. If the gripping arm 8 is pivoted about the axis 16, a direction of rotation or an orientation that conforms to the direction of rotation of one or more new rollers 5 can be determined by means of the camera 21.
  • the camera 21 is connected to the control unit S, which causes a new roll 5, which has a suitable direction of rotation or an orientation that conforms to the direction of rotation, to be received from the pallet 9 by means of the handling device 7.
  • FIG. 7 the handling device 7 Fig. 6 upon receipt of a new roll 5 with orientation conforming to the direction of rotation from a pallet 9 (cf. Fig. 6 ).
  • the gripping arm 8 was based on the position Fig. 6 about the axis 16, which in Fig. 7 runs in the direction of the image plane, pivoted.
  • the new roller 5 now has an at least approximately horizontal orientation and can be used in its respective associated installation position EB1 or EB2.
  • the at least approximately completely unwound and / or used up roll 5 is also removed from the respective installation position EB1 or EB2 with a horizontal orientation.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Basic Packing Technique (AREA)

Claims (9)

  1. Procédé de manipulation de matériau plat et/ou en film qui est enroulé sur des rouleaux (5) 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, des rouleaux (5) au moins approximativement complètement déroulés et/ou épuisés sont prélevés sur au moins une position de montage (EB1; EB2) d'une machine d'emballage (3) et, ensuite, respectivement un nouveau rouleau (5) comprenant du matériau plat et/ou en film est inséré dans la position de montage (EB1; EB2) respective, dans lequel, après une insertion respective, une couche (15) située extérieurement du nouveau rouleau (5) respectif est retirée à proximité ou au niveau de son extrémité libre et, pour former une bande de matériau ininterrompue, est reliée à une section d'une bande de matériau (MB) d'un autre rouleau (5), guidée dans la machine d'emballage (3), et dans lequel
    - durant l'insertion d'un nouveau rouleau (5) et pendant la liaison, le matériau plat et/ou en film de l'autre rouleau (5) n'est pas encore complètement épuisé de sorte que, pour une opération d'emballage continue, du matériau plat et/ou en film est déroulé de manière approximativement ininterrompue d'au moins un rouleau (5) de ladite au moins une position de montage (EB1, EB2), et
    - des rouleaux (5) de ladite au moins une position de montage (EB1, EB2), qui sont au moins approximativement complètement déroulés et/ou épuisés, sont détectés de préférence par capteur et sont remplacés automatiquement, au moyen d'un dispositif de manipulation (7), par de nouveaux rouleaux (5) comprenant du matériau plat et/ou en film, ledit procédé étant caractérisé par le fait que
    - avant, durant ou après l'insertion du nouveau rouleau (5), sa direction de rotation et/ou son orientation conforme à la direction de rotation est détectée et/ou vérifiée, et que du matériau plat et/ou en film déroulé de ce rouleau (5) est guidé, si besoin est, par l'intermédiaire d'une poulie de renvoi supplémentaire, selon la direction de rotation détectée du rouleau (5).
  2. Procédé selon la revendication 1, dans lequel le dispositif de manipulation (7) possède au moins un détecteur, en particulier un détecteur optique, et de préférence un système de caméra, qui est déplacé par ledit dispositif de manipulation dans la zone des nouveaux rouleaux (5), et au moyen duquel détecteur en particulier optique est/sont vérifiée(s) la direction de rotation et/ou l'orientation conforme à la direction de rotation des nouveaux rouleaux.
  3. Procédé selon la revendication 1 ou la revendication 2, dans lequel respectivement au moins un repère (22) en particulier optique est appliqué sur une partie des nouveaux rouleaux (5) au niveau de leurs extrémités libres, et les nouveaux rouleaux (5) sont insérés dans leur position de montage (EB1, EB2) respective ou sont orientés dans leur position de montage (EB1, EB2) respective avant de retirer la couche extérieure (24) respective, au moyen du dispositif de manipulation (7), de telle sorte que les repères (22) montrent en direction d'une position de montage (EB1, EB2) respectivement opposée.
  4. Procédé selon la revendication 3, dans lequel ledit au moins un repère (22) optique est appliqué sur le nouveau rouleau (5) respectif avant qu'il soit inséré dans sa position de montage (EB1, EB2) respective, de telle sorte que, grâce au repère (22), l'extrémité libre des nouveaux rouleaux (5) respectifs est fixée au moins dans une large mesure immobile sur le nouveau rouleau (5) respectif.
  5. Procédé selon l'une quelconque des revendications 1 à 4, dans lequel de nouveaux rouleaux (5) sont déplacés dans la zone du dispositif de manipulation (7) par un dispositif de transport horizontal (13) et sont retirés directement du dispositif de transport horizontal (13) au moyen du dispositif de manipulation (7), et dans lequel une unité de commande (S) est en communication avec le dispositif de manipulation (7) et le dispositif de transport horizontal (13) et, en tenant compte d'un retrait respectif de nouveaux rouleaux (5) du dispositif de transport horizontal (13), réalisé au moyen du dispositif de manipulation (7), définit un fonctionnement cadencé du dispositif de transport horizontal (13).
  6. Procédé selon l'une quelconque des revendications 1 à 5, dans lequel la couche (15) située extérieurement du nouveau rouleau (5) respectif inséré est retirée au moyen d'un dispositif de préhension et/ou de manipulation qui travaille par pression d'aspiration pneumatique, de façon mécanique par serrage et/ou par adhérence électrostatique et est animé d'un mouvement de va-et-vient entre lesdites au moins deux positions de montage (EB1, EB2).
  7. Dispositif (1) de manipulation de matériau plat et/ou en film qui est enroulé sur des rouleaux (5) et fait fonction de matériau d'emballage pour l'emballage de produits de détails, de multipacks ou d'ensembles d'articles similaires, comprenant
    - une machine d'emballage (3) ayant au moins une position de montage (EB1; EB2) qui sont prévues chacune pour loger à rotation des rouleaux (5) comprenant du matériau plat et/ou en film, ainsi qu'
    - un ou plusieurs moyen(s) de couplage (14, 25) qui sont conçus pour orienter et relier des zones d'extrémité libres de matériau plat et/ou en film de nouveaux rouleaux (5) respectivement insérés, à une bande de matériau (MB) courante d'un autre rouleau (5) se trouvant déjà dans la machine d'emballage (3) lors de l'insertion, et comprenant
    - au moins un système de capteurs (19) qui permet de détecter des rouleaux (5) au moins approximativement complètement déroulés et/ou épuisés de ladite au moins une position de montage (EB1, EB2), et avec
    - une unité de commande (S) couplée au système de capteurs (19) et un dispositif de manipulation (7), laquelle unité de commande (S) permet de commander le dispositif de manipulation (7) lorsque le rouleau (5) est au moins approximativement complètement déroulé et/ou épuisé, afin de remplacer automatiquement, par un nouveau rouleau (5), ledit rouleau (5) au moins approximativement complètement déroulé et/ou épuisé, ledit dispositif (1) étant caractérisé par au moins un détecteur, en particulier au moins un détecteur optique (19, 21) qui est en liaison active, par ladite unité de commande (S), avec le dispositif de manipulation (7), dans lequel ledit au moins un détecteur (19, 21) permet de vérifier et/ou de déterminer une direction respective de rotation et/ou orientation respective conforme à la direction de nouveaux rouleaux (5), et à la position de montage (EB1; EB2) du nouveau rouleau (5) est associée, si besoin est, une poulie de renvoi supplémentaire afin de guider le matériau plat et/ou en film déroulé du rouleau (5) par le biais de cette poulie de renvoi supplémentaire.
  8. Dispositif selon la revendication 7, dans lequel, pour fixer par serrage les nouveaux rouleaux (5) réalisés en tant que corps creux, ledit dispositif de manipulation (7) comprend un mandrin de retenue (17) réalisé de préférence de manière cylindrique qui présente un diamètre de section maximal réglable.
  9. Dispositif selon l'une quelconque des revendications 7 à 8, dans lequel un dispositif de transport horizontal (13) conçu pour le transport de nouveaux rouleaux (5) est monté en amont dudit dispositif de manipulation (7) et s'étend jusque dans une zone de travail du dispositif de manipulation (7) et peut être commandé avec un fonctionnement cadencé par ladite unité de commande (S) en tenant compte d'un retrait de nouveaux rouleaux (5) au moyen du dispositif de manipulation (7).
EP15787957.8A 2014-10-30 2015-10-26 Procédé et dispositif de manipulation d'un matériau plat et/ou en feuille enroulé sur des rouleaux Active EP3212549B1 (fr)

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DE102014222167.6A DE102014222167A1 (de) 2014-10-30 2014-10-30 Verfahren und Vorrichtung zur unterbrechungsfreien Handhabung von auf Rollen aufgewickeltem Flach- und/oder Folienmaterial
PCT/EP2015/074740 WO2016066581A1 (fr) 2014-10-30 2015-10-26 Procédé et dispositif de manipulation d'un matériau plat et/ou en feuille enroulé sur des rouleaux

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WO2016066581A1 (fr) 2016-05-06
CN106573743B (zh) 2019-04-05
CN106573743A (zh) 2017-04-19
EP3212549A1 (fr) 2017-09-06
US10343865B2 (en) 2019-07-09
DE102014222167A1 (de) 2016-05-04
US20170233206A1 (en) 2017-08-17

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