EP3181500B1 - Device and method for supplying, providing and exchange of rolls with packaging material in a packaging machine - Google Patents
Device and method for supplying, providing and exchange of rolls with packaging material in a packaging machine Download PDFInfo
- Publication number
- EP3181500B1 EP3181500B1 EP16197100.7A EP16197100A EP3181500B1 EP 3181500 B1 EP3181500 B1 EP 3181500B1 EP 16197100 A EP16197100 A EP 16197100A EP 3181500 B1 EP3181500 B1 EP 3181500B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- sensor
- packaging
- flat
- unwound
- 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.)
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Links
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Images
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
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
- B65B41/16—Feeding webs from rolls by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/18—Registering sheets, blanks, or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65H19/18—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
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/36—Positioning; Changing position
- B65H2301/364—Positioning; Changing position of material in 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
- B65H2301/41—Winding, unwinding
- B65H2301/417—Handling or changing web rolls
- B65H2301/418—Changing web roll
- B65H2301/41829—Changing web roll positioning the core, e.g. in axial direction
-
- 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
- B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
- B65H2301/4634—Heat seal splice
-
- 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
- B65H2511/10—Size; Dimensions
- B65H2511/18—Size; Dimensions relative to handling machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/30—Sensing or detecting means using acoustic or ultrasonic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/41—Photoelectric detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/42—Cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2555/00—Actuating means
- B65H2555/30—Multi-axis
-
- 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
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/81—Packaging machines
Definitions
- the present invention relates to a device for feeding, providing, handling and / or replacement of rolls with flat and / or sheet material wound thereon and used as packaging material for packaging piece goods, containers or similar article assemblies within a packaging machine having the features of the independent claim 1.
- the invention also relates to a corresponding method for handling and / or replacement of such rollers with the features of independent method claim 6.
- 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 which may comprise, for example, four, six or more containers or bottles of PET plastic, serve in particular as easy-to-handle sales units for end consumers.
- the fastest possible compilation of such containers without interruption of individual process steps is desirable.
- 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 articles which are to form the respective container, wrap with the packaging material.
- the unwinding of the packaging material from the roll is usually carried out by machine and in approximately 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.
- the sheet material webs are usually joined together when replacing the rollers, for example. By a gluing and / or welding process.
- a method and a device by means of which new rolls delivered and used rolls can be changed within a packaging machine are, for example, from the DE 40 40 545 A1 respectively.
- 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.
- Devices for automatically feeding material wound on rolls and exchanging for used rolls in processing or packaging machines are also known in different embodiments, such as.
- devices for feeding and changing coils with strip material in a processing machine according to DE 32 02 647 A1 or according to DE 41 42 256 A1 Various facilities for supplying packaging machines with consumable or packaging material are also from the EP 1 273 541 B1 as well as from the DE 10 2006 017 379 A1 known.
- the known handling methods and devices require exact positioning and feeding of new reels or reels with packaging material wound thereon.
- an object of the present invention is seen to provide a device and a method with a high degree of automation for handling wound on rolls flat and / or sheet material available by means of which largely flat and / or sheet material can be provided without interruption ,
- the device and the method should not only enable and support a fast and accurate roll feed to the packaging machine, but also at any time of material web conveying allow an exact positioning of the rollers to promote the conveyed into the packaging machine material webs in the desired alignment and the required packaging quality to be able to guarantee.
- the invention proposes a device for conveying, providing and / or handling and / or replacement of roles with flat and / or sheet material wound thereon and used as packaging material for packaging piece goods, containers or similar article compositions
- the supply, provision and / or handling of the rolls may be designed in the interest of an uninterrupted packaging operation in such a way that the packaging operation can continue to operate largely smoothly during the replacement of rolls.
- the packaging company can be interrupted for a short time.
- the device may in particular with means for providing new rolls for the packaging machine in a defined feed and take over the roles of the defined supply and for inserting the new roles in the respective installation position of the packaging machine and / or for the removal of used rolls from the be fitted in each installation positions of the packaging machine, these means, for example.
- By handling robot o. The like. can be formed.
- the at least one mounting position associated with the packaging machine is defined by a rotatable holding mandrel which is adjustable in its axial direction and together with the roller located thereon for rotatably receiving and centering the roll to be unwound in the packaging machine with flat and / or film material.
- At least one sensor for detecting an axial position of the roller and / or for detecting the spatial positions of at least the respective outer layers of the unwinding flat and / or foil material is at least one sensor for the respective installation position and / or on the mandrel in the respective installation position Assigned role.
- the output signals of the at least one sensor are provided to a control device, which generates control signals for the axial adjustment of the mandrel to be unwound, if necessary, so that depending on the detected and processed sensor signals of the at least one sensor, the roller with the aid of the adjustable mandrel can be brought into a precisely fitting position to ensure trouble-free packaging operation and allow.
- the adaptation of the axial position of the mandrel with the roll thereon can optionally during operation during unwinding of the flat and / or sheet material or after insertion of the roller for initial adjustment of the role before removing the wound thereon flat and / or Foil material done.
- the at least one sensor can be configured in a manner such that at least respective outer layers and / or a distance between at least one end face of the roll can be sensed by a predetermined sensor position of a new roll inserted into one of the installation positions.
- the scanning of the outer layers of the roll can be done on one of the front sides by means of the sensor or by means of several sensors.
- the at least one sensor may in particular be a distance sensor which can detect the distance from an end face of the roll or from a lateral material web edge of the unwound flat and / or film material and output analog sensor values as a function of the detected distances.
- the at least one sensor depending on requirements and / or depending on its installation situation and its configuration, can detect an alignment of the flat and / or foil material unwound from the roll and / or a deviation from a desired course.
- the at least one sensor may, for example, be an optical sensor and / or an ultrasonic sensor or another suitable sensor.
- the at least one sensor is variable and / or adjustable at a distance from the roller which is in each case in the installed position.
- the sensor may, for example, also be formed by a camera with downstream image evaluation.
- the present invention also proposes a method for conveying, providing and / or largely uninterrupted handling and / or replacement of rolls having flat sheets wound thereon and used as packaging material for packaging piece goods, packages or similar article compositions / or film material with the features of the independent method claim.
- the feeding, provision and / or handling of the rolls in the interest of a continuous packaging operation can be designed in such a way that the packaging company can continue to run during the replacement of roles largely trouble-free.
- the packaging company can be interrupted for a short time.
- an at least approximately completely unwound and / or used up roll for maintaining a continuous, a quasi-continuous or even a discontinuous packaging operation is taken alternately from at least one installation position of a packaging machine and then each a new role with flat and / or sheet material in the each installation position used.
- Each new roll is provided to the packaging machine in a defined feed and used in the respective installation position, after there was previously taken a used-up roll.
- the installation positions are defined in the packaging machine in each case by rotatable receiving mandrels for rotatable receiving and centered holding of the rolls to be unwound in the packaging machine with flat and / or foil material.
- the respective rotatable mandrel is immediately after the insertion of a new role in one of the mounting positions and / or during ongoing packaging operation and during unwinding of the new roll for adjusting the axial positioning of the roll on the mandrel and / or adjusting the alignment of the roll unwound flat and / or sheet material adjusted in its respective axial direction.
- outer layers of a roll newly inserted in one of the installation positions can be detected by sensors.
- a scan of at least the outer layers of each new in the Packing machine used role in the area of one of the end faces or both ends by means of sensor or sensors.
- the unwound from the roll flat and / or sheet material thus passes a sensor position, whereby the alignment of the unwound from the roll flat and / or sheet material and / or a deviation from a desired course can be detected.
- a distance between at least one end face of the roller is detected by a predetermined sensor position.
- Such a distance measurement can be done with a distance sensing sensor. For this purpose, for example, a so-called.
- Fork sensor can be used, between the legs of the flat and / or sheet material is guided so that it can detect a correct alignment by detecting the depth of immersion of the packaging material in the fork of the fork sensor.
- the unwound from the roll flat and / or sheet material thus preferably passes a sensor position, wherein the alignment of the unwound from the roll flat and / or sheet material and / or a deviation from a desired course can be detected.
- a further option of the method provides that a distance of the at least one sensor is variable and / or adjustable to each located in the installed position role.
- the sensor position after a roll change for example, can also be adapted to different material web widths or different roll widths and / or different roll diameters.
- the distance between at least one front side of the roller is sensed by a predetermined optical and / or variable sensor position.
- the distance between at least one end face of the roller is detected by a predetermined and / or variable sensor position by means of an ultrasonic sensor.
- Further physical measuring principles are conceivable and useful for the method according to the invention, optionally also a combination of the mentioned and / or further measuring principles.
- a sensor can also be advantageously used a camera with downstream image analysis.
- the method provides for an optional adjustment of an axial position of the mandrel immediately after the insertion of a new roll in one of the mounting positions.
- this adjustment of the axial position of the roller can optionally be done only after insertion, but not during operation, which simplifies the sensory detection and can reduce the control effort during operation.
- the axial position of the mandrel during the current Packaging company can be adjusted based on the sensor values, which brings the advantage of a more accurate web guide for the unwound flat and / or sheet material with it.
- the device according to the invention and the method according to the invention enable improved material web guidance with more exact connection conditions after a roll change within a packaging machine.
- the film roll edge is usually detected when retracting the film mandrel into the machine by means of a sensor that provides a signal to the machine when detecting the edge of the film, this provides the position of the film roll on the mandrel, so based on the Control panel stored data on the film width, the film roll can be positioned in the middle of the machine, usually only exactly wound rolls and rolls of film with protruding core can be accurately positioned.
- this sensor will fail and will not provide usable data to properly position the rolls.
- improperly positioned film rolls are sealed with an offset, resulting in improperly wrapped packages, which in turn may result in limitations on the customer's production equipment being processed and / or increased downtime.
- the invention provides an improved way to avoid these disadvantages.
- the measured distances are permanently detected by the sensor with downstream data processing.
- the signal processing it is evaluated in which position the minimum distance (relevant foil edge) has been set.
- a suitable sensor such as a fork sensor, which measures the lateral foil course, shortly after the foil mandrel. This ensures a faster and more accurate adjustment of the position of the film roll against the side of the film.
- the particular advantage of the method described is that even film rolls with supernatant and skew can be positioned exactly in the middle. As a result, not perfectly prepared rolls of film can be processed; In addition, machine downtime can be avoided.
- FIG. 1 shows a variant packaging machine 8, which is equipped with a device 10 according to the invention.
- the device 10 is used to handle flat packaging material such as shrink film or packaging films, which are wound on large, due to their weight usually not manually manageable rollers 12.
- the packaging machine 8 and the associated apparatus 10 can be supplied via a handling robot 14 respectively new rollers 12 when the rollers located in the device 10 are unwound and therefore need to be replaced.
- the handling robot 14 embodied as a stationary arranged multi-axis robot in the exemplary embodiment shown uses the respective new rollers 12 to be supplied to the packaging machine 8 in two different installation positions EB1 and EB2, which in the schematic representation of FIG Fig. 1 can only be seen to some extent and in the detailed view of Fig. 2 exemplified be clarified.
- individual new rollers 12 are inserted into one of the two installation positions EB1 and EB2 by means of the handling robot 14, while in the further installation position EB2 or EB1 there is still a used or partially used roller 16, of which still during insertion of the each new roll 12 is further unwound thereon a web of material 18, which is processed in the packaging machine 8 as a packaging material.
- a connection or welding of an outer layer 20 of the new roll 12 with the material web 18 takes place, whereby the device 10 can run in a continuous operation, without the packaging process for replacing a used-up roll 16 against a new roll 12 would have to be interrupted.
- the new rolls 12 are each composed of the wound flat packaging material 18 or the packaging or shrink film and a core 22 on which the packaging material 18 and the shrink film is wound.
- horizontal conveyor 24 dives the handling robot 14 via an end on its movable arm 26 movably arranged holding mandrel 28 frontally into the core 22 of a new roll 12 a.
- An arm section 30 of the handling robot 14 can for this purpose be rotated about a rotation axis.
- the cross-sectional diameter of the retaining pin 28 is increased, so that the new roller 12 is fixed to the retaining pin 28 by clamping.
- the core 22 is hollow-cylindrical, the shape of the retaining pin 28 corresponding thereto, so that the retaining pin 28 is for clamping fixing the new roller 12 via its outer circumference with an inner circumferential surface of the core 22 in conjunction.
- the handling robot 14 new rolls 12 are provided in an uninterrupted sequence available, so that when removing a new roll 12 of the horizontal conveyor 24, a further new role 12 in the direction of the handling robot 14 is moved further or moves in the direction of the handling robot 14.
- the horizontal conveyor 24 can be clocked as desired in the desired manner or operated continuously at a constant speed.
- a manipulator 32 positioned in the region of the horizontal conveyor 24, which is operated by a user 34 and via which new rollers 12 can be placed standing on the horizontal conveyor 24, can be seen.
- the new rolls 12 can, for example, be delivered standing on a pallet 36, from which they can be received by the user 34 by means of the manipulator 32 that can be controlled by them and placed on the horizontal conveyor 24 by means of a holding mandrel 38 located there.
- a working area of the manipulator 32 therefore extends over the pallet 36 as well as over a section of the horizontal conveyor 24.
- the Fig. 1 further shows an open-topped container 40, which is located in the working area of the handling robot 14. If the supply of packaging material or shrink film of a roll 12 or 16 placed in the packaging machine 8 is exhausted, the core 22 of an empty roll 16 is removed from the packaging machine 8 by means of the handling robot 14 and consists of cellulose, plastic, wood or cardboard Container 40 filed. Only after removal of the core 22, a new roll 12 can be used in the respective installation position EB1 or EB2 of the packaging machine 8, so that the handling robot 14 first removes the core 22 and temporal nachauf following a new roll 12 in the respective installation position EB1 or EB2 is used.
- the horizontal conveyor 24, the handling robot 14 and the packaging machine 8 or the device 10 contained therein are in communication with a control unit not shown here.
- This can in particular specify the clocked operation of the horizontal conveyor 24 and initiate insertion and removal of rollers 12 and 16 by the handling robot 14 from the two installation positions EB1 and EB2.
- it can control unrolling of packaging material or shrink film of the rolls 12 used in the packaging machine 8.
- rollers 12 and 16 attached a new roller 12 and fixed by clamping the diameter of the receiving mandrels 42 by clamping the roller core 22 on the respective mandrel 42 by clamping.
- the replacement of the rollers 12 and 16 can optionally be supported and facilitated by axial movements of the receiving mandrels 42.
- a welding bar 44 can be seen, which is provided for connecting an outer layer 20 of the new roll 12 inserted into the respective installation position EB1 or EB2 with the material web 18 located or remaining in the packaging machine 8 and is vertically lowered for this purpose. After joining the outer layer 20 with the material web 18 remaining in the packaging machine 8, the tempered welding bar 44 is raised vertically until it is needed again for the next welding operation.
- a nearly spent roller 16 is rotated by the mandrel 42 and by the removal of the web 18.
- the packaging material or the shrink film of the roll 16 located on the receiving mandrel 42 of the first installation position EB1 is unwound.
- a used roll 16 has already been completely unwound and its core 22 removed via the handling robot 14, so that the second installation position EB2 or the receiving mandrel 42 of the second installation position EB2 could already be fitted again with a new roll 12 with packaging material ,
- Each of the installation positions EB1 and EB2 can also be assigned a separate sensor system or a camera, not shown here, by means of which at least approximately completely unwound and / or exhausted rollers 16 can be optically detected, so that prepared an exchange for a new roll 12 and initiated can be. So that at least approximately complete unwound and / or used up roller 16 can be removed from their respective installation position EB1 or EB2, a previously established between the respective roller 16 and the mandrel 42 clamping connection is solved. This is typically done by reducing the cross-sectional diameter of the respective mandrel 42, thereby allowing the roll core 22 to be peeled off.
- the release of the clamping connection or the reduction of the cross-sectional diameter of the mandrels 42 is determined by the aforementioned control unit, as well as the optional axial displacement of the mandrels 42 for better communication with the handling robot 14 and its retaining mandrel 28th
- the device 10 can be operated in this way automated.
- a gripping bar 46 is used, with which the outer layer 20 of the new roller 12 inserted into the second installation position EB2 is gripped and pulled below the welding bar to the left in the direction of the first installation position EB1.
- the in Fig. 2 schematically shown gripping bar 46 may be part of a in the packaging machine 8 between the mounting positions EB1 and EB2 and the welding bar 44 movable gripping and / or handling device (not shown) and can grip the outer layer 20 of the new roll 12 and position below the welding bar 44 ,
- This gripping bar 46 for example, the outer layer 20 of the roller 12 suck by means of vacuum and grip.
- FIGS. 3A and 3B show a part of the handling robot 14, which forms a gripping and / or handling device for handling the rollers 12 in the device 10.
- the gripping arm or the arm portion 30 of the handling robot 14 is around an in Fig. 3A horizontally disposed axis 48 pivotally, so that the retaining mandrel 28 of the handling robot 14 can be aligned for immersion in the core 22 of the respective new roll 12 with vertical orientation of its longitudinal axis. If the respective new roll 12 was detected by the handling robot 14 or by means of its retaining mandrel 28, the new roll 12 can be rotated about the axis 48 again by pivoting movement of the gripping arm 30 and into the respective installation position EB1 or EB2 assigned to the roll 12 (cf. , Fig. 2 ) are used.
- the Fig. 3B illustrates the positioning process of a new roll 12 in one of the intended installation positions EB1 or EB2 in the packaging machine 8.
- the new roll 12 with packaging material has already been pushed onto the receiving mandrel 42 in the packaging machine 8.
- This pushing operation with which the stamp attachment 50 presses against the end face of the roller 12 until it is pushed against the axial stop 52 and thus into its intended installation position EB1 or EB2, is in Fig.
- the bearing block 56 On its underside, the bearing block 56 is equipped with a slide guide 58, which allows a displacement of the bearing block 56 together with the receiving mandrel 42 and the drive unit 54 mounted there parallel to the longitudinal axis of the receiving mandrel 42. By means of the same slide guide 58 and the axial stop 52 is displaced.
- the possibility of displacing the bearing block 56 with the aid of the slide guide 58 may be necessary in particular for the exact positioning of the roller 12 with respect to the material web guide in the packaging machine 8. Thus, it is necessary to guide the material webs 18 when joining exactly aligned, which is why a proper positioning of the roller 12 is required.
- the respective possibilities of positioning the rollers 12 and 16 in their respective axial directions are in the Fig. 4 indicated schematically. Both the roller 16 located in the first installation position EB1, which has already been partially unwound, and the new roller 12 inserted in the second installation position EB2 are each assigned their own position sensor 60, which is used for the exact central positioning of the rollers 12 and 16 and, if necessary .
- the control device for the axial displacement in the direction of arrow 62 and 64 can provide to the left or to the right.
- the film welding station with the welding bar 44 located between the two installation positions is in Fig. 4 merely hinted.
- the new film rolls 12 can be positioned centrally in the machine 8, but this is only to be ensured in the desired manner with exactly wound rolls 12 and rolls of film with a protruding core 22.
- the commonly used sensors 60 fail and do not provide useful data to properly position the rolls 12.
- Incorrectly positioned film rolls 12 can in these cases be welded with an offset, which leads to incorrectly wrapped containers, which in turn can lead to limitations in the production means to be processed for the customer and / or to increased service life.
- FIGS. 5A to 5E illustrate the operation of one of the respective mounting position EB1 and / or EB2 associated sensor 66, in contrast to the arrangement of the sensors 60 according to Fig. 4 is associated with at least one of the two end faces 68 and there detects a designated scanning zone 70 portion of the respective roller 12 and / or 16, not only after the establishment of a new roll 12, but also during the unwinding of the wound thereon sheet-like packaging material, so that a gradually unwound or almost used-up roller 16 can be detected by the sensor 66 in the region of the scanning zone 70.
- the sensor 66 which detects the scanning zone 70 on the end face 68 of the roller 12 or 16 can be formed, for example, by an optically operating sensor 66 or an ultrasonic sensor or the like.
- the sensor 66 provides an analog signal value 72, which depends on the frontal contour of the roller 12 and 16 respectively.
- the sensor 66 provides a stair-step-shaped signal value 72a, which shows a properly cylindrical roller contour with flat cylindrical end face 68 and therefrom outstanding roller core 22 of smaller diameter and subsequent cylindrical mandrel 42 with even smaller diameter.
- the signal value 72 generated by the sensor 66 from the end-face roller contour is evaluated in a control circuit 74 and processed to form a control signal 76 for the axial displacement 64 of the roller 12 or 16.
- This axial displacement 64 of the roller 12 or 16 (see also Fig. 4 ) is usually done by means of a motor Movement of the mandrel 42 together with the stored there roller 12 and 16 bearing brackets 56 by means of the carriage guide 58, as shown in Fig. 3B is illustrated.
- the sensor 66 in turn provides an analog signal value 72, which depends on the frontal contour of the roller 12 and 16 respectively.
- the sensor 66 provides a not ideal stair-step shaped signal value 72b, but shows a ramped portion, not a properly cylindrical roller contour, but a unilaterally skewed roller 12 with a conical face 68 and resulting therefrom roller core 22 of smaller diameter and subsequent thereto cylindrical Recording mandrel 42 shows even smaller diameter.
- the signal value 72 generated by the sensor 66 from the conical end-face roller contour is evaluated in the control circuit 74 and processed to form the control signal 76 for the axial displacement 64 of the roller 12 or 16.
- This axial displacement 64 of the roller 12 or 16 is carried out by means of a motorized movement of the mandrel 42 together with the roller 12 and 16 bearing there bearing bearing 56 with the help of Slide guide 58 ( Fig. 3B ).
- the roller 12 or 16 can be brought by means of the adjustable mandrel 42 at any time in an exact matching position to ensure trouble-free packaging operation.
- the sensor 66 supplies an analog signal value 72, which maps the end-face contour of the roller 12 or 16.
- the sensor 66 does not provide an ideal step-shaped signal value 72c, but shows a briefly rising section again, although signaling a properly cylindrical roller contour, but the core 22 has an unusual projection 78, the positioning 64 of the roller 12 for a ideal web course disturbing, if he did not recognize and the in Fig. 5C could be assigned to the indicated phenomenon.
- the signal value 72 generated by the sensor 66 from the detected roller contour is evaluated in the control circuit 74 and processed to form the control signal 76 for the axial displacement 64 of the roller 12 or 16. This axial displacement 64 of the roller 12 or 16 (see.
- Fig. 4 takes place by means of a motorized movement of the bearing mandrel 42 together with the roller 12 or 16 bearing there bearing bearing 56 by means of the carriage guide 58 (FIGS. Fig. 3B ).
- the roller 12 or 16 can be brought by means of the adjustable mandrel 42 at any time in an exact matching position to ensure trouble-free packaging operation.
- the sensor 66 in turn provides an analog signal value 72, which images the frontal contour of the roller 12 and 16 respectively.
- the sensor 66 also here does not provide an ideal staircase-shaped signal value 72 d, but shows an initially flat profile, which then drops sharply, indicating the diameter of the mandrel 42.
- the signal value 72d does not provide a representation of a regular cylindrical roller contour, because the outer material webs 20 have a pronounced projection 80, which initially requires a strong displacement of the roller 12 for an ideal material web course, which are corrected again in the further course of the development of the material web 18 got to.
- the signal value 72 generated by the sensor 66 from the detected roller contour is evaluated in the control circuit 74 and processed to form the control signal 76 for the axial displacement 64 of the roller 12 or 16.
- the axial displacement 64 of the roller 12 or 16 takes place in the manner already described (see. Fig. 4 ).
- the sensor 66 finally provides another analog signal value 72, which images the frontal contour of the roller 12 and 16 respectively.
- the sensor 66 does not provide an ideal step-step-shaped signal value 72e here, but instead shows a first flat profile, which then drops significantly in order to fall off again after a further step.
- the signal value 72e does not provide a representation of a regular cylindrical roller contour, because one or more material web layers 18 in the central region of the roller end face 68 have a pronounced projection 82 which approximately after the unwinding of the half roller 12 a strong displacement of the roller 12 for an ideal Material web course requires that must be corrected in the course of the development of the web 18 again.
- the signal value 72 generated by the sensor 66 from the detected roller contour is evaluated in the control circuit 74 and processed to form the control signal 76 for the axial displacement 64 of the roller 12 or 16.
- the axial displacement 64 of the roller 12 or 16 takes place in the manner already described (see. Fig. 4 ).
- the at least one sensor 66 may, for example, be an optical sensor and / or an ultrasonic sensor or another suitable sensor.
- the at least one sensor 66 is variable and / or adjustable at a distance from the roller 12 respectively located in the installed position or at its end face 68.
- the sensor 66 may, for example, also be formed by a camera with downstream image evaluation.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Replacement Of Web Rolls (AREA)
Description
Die vorliegende Erfindung betrifft ein Vorrichtung zur Zuförderung, Bereitstellung, Handhabung und/oder zum Austausch von Rollen mit darauf aufgewickeltem und als Verpackungsmaterial zur Verpackung von Stückgütern, Gebinden oder dergleichen Artikelzusammenstellungen dienendem Flach- und/oder Folienmaterial innerhalb einer Verpackungsmaschine mit den Merkmalen des unabhängigen Anspruchs 1. Die Erfindung betrifft zudem ein entsprechendes Verfahren zur Handhabung und/oder zum Austausch von derartigen Rollen mit den Merkmalen des unabhängigen Verfahrensanspruchs 6.The present invention relates to a device for feeding, providing, handling and / or replacement of rolls with flat and / or sheet material wound thereon and used as packaging material for packaging piece goods, containers or similar article assemblies within a packaging machine having the features of the independent claim 1. The invention also relates to a corresponding method for handling and / or replacement of such rollers with the features of independent method claim 6.
Bei einer Gruppierung und Zusammenstellung von Artikeln zu Gebinden, bspw. von Getränkebehältern o. dgl., werden diese in der Praxis häufig durch Schrumpffolie zusammengehalten, um ein Verrutschen oder ein Lösen aus der Zusammenstellung während der weiteren Handhabung bzw. beim Transport zu verhindern. Derartige Gebinde, die bspw. vier, sechs oder mehr Behälter oder Flaschen aus PET-Kunststoff umfassen können, dienen insbesondere als gut handhabbare Verkaufseinheiten für Endverbraucher. Um beim Verpacken und/oder bei einer nachfolgenden Palettierung einen hohen Durchsatz zu erreichen, ist eine möglichst rasche Zusammenstellung derartiger Gebinde ohne Unterbrechung einzelner Prozessschritte wünschenswert.In a grouping and compilation of articles to containers, eg. Of beverage containers o. The like., These are often held together in practice by shrink film to prevent slipping or loosening of the compilation during further handling or during transport. Such containers, which may comprise, for example, four, six or more containers or bottles of PET plastic, serve in particular as easy-to-handle sales units for end consumers. In order to achieve a high throughput in packaging and / or in a subsequent palletizing, the fastest possible compilation of such containers without interruption of individual process steps is desirable.
Um das als Umverpackung eingesetzte flächige Verpackungsmaterial bzw. die Schrumpffolie zur teilweisen oder vollständigen Umhüllung von Gebinden zur Verfügung zu stellen, sind Vorrichtungen und Verfahren bekannt, welche das Material von einer Rolle oder von mehreren Rollen abwickeln, innerhalb einer Verpackungsmaschine befördern und damit die einzelnen Gebinde bzw. die jeweiligen Artikel, welche das jeweilige Gebinde bilden sollen, mit dem Verpackungsmaterial umhüllen. Das Abwickeln des Verpackungsmaterials von der Rolle erfolgt hierbei üblicherweise maschinell und in annähernd kontinuierlichem Prozess. Es sind Vorrichtungen bekannt, in denen das Verpackungsmaterial über Walzen von der dabei rotierenden Rolle abgezogen wird. Ist eine Rolle abgewickelt und der Vorrat an Verpackungsmaterial der Rolle erschöpft, so muss ein Austausch der jeweiligen Rolle bzw. ein Ersatz durch eine neue Rolle erfolgen. Die flächigen Materialbahnen werden beim Austausch der Rollen normalerweise aneinander gefügt, bspw. durch einen Verklebe- und/oder Schweißprozess.In order to provide the packaging material used as outer packaging or the shrink film for partial or complete wrapping of containers available, devices and methods are known, which unwind the material of a roll or multiple roles to carry within a packaging machine and thus the individual containers or the respective articles which are to form the respective container, wrap with the packaging material. The unwinding of the packaging material from the roll is usually carried out by machine and in approximately 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. The sheet material webs are usually joined together when replacing the rollers, for example. By a gluing and / or welding process.
Ein Verfahren und eine Vorrichtung, mittels welchen neue Rollen zugestellt sowie verbrauchte Rollen innerhalb einer Verpackungsmaschine gewechselt werden können, sind bspw. aus der
Vorrichtungen zur automatischen Zuführung von auf Rollen aufgewickeltem Material und zum Austausch gegen verbrauchte Rollen in Verarbeitungs- oder Verpackungsmaschinen sind darüber hinaus in unterschiedlichen Ausführungsvarianten bekannt, so bspw. als Vorrichtungen zur Zufuhr und zum Wechseln von Spulen mit Bandmaterial in einer Verarbeitungsmaschine gemäß
Die bekannten Handhabungsverfahren und -vorrichtungen erfordern in aller Regel eine exakte Positionierung und Zuführung von neuen Bobinen oder Rollen mit darauf aufgewickeltem Verpackungsmaterial. Außerdem ist es für einen reibungslosen Verpackungsbetrieb erforderlich, dass die Materialbahnen beim Aneinanderfügen weitgehend miteinander fluchten und ohne seitlichen Versatz in der Verpackungsmaschine befördert werden, da ansonsten eine unzureichende Verpackungsqualität aufgrund ungleichen Folienüberstandes droht.As a rule, the known handling methods and devices require exact positioning and feeding of new reels or reels with packaging material wound thereon. In addition, it is necessary for a smooth packaging operation that the webs of material when joining together largely aligned and transported without lateral offset in the packaging machine, otherwise an inadequate packaging quality due to uneven film overhang threatens.
Sofern eine solche exakte Positionierung nicht zu gewährleisten ist, ist die reibungslose Weiterbeförderung von flächigem Verpackungsmaterial nach dem Austausch verbrauchter gegen neue Rollen gefährdet, wodurch auch die Funktionsfähigkeit sowie die Verarbeitungsqualität der Verpackungsmaschine nicht im gewünschten Maße zu gewährleisten ist.If such an exact positioning can not be ensured, the smooth transport of flat packaging material after the exchange of used new rolls is at risk, whereby the functionality and quality of the packaging machine can not be guaranteed to the desired extent.
Diese Probleme treten zudem bei nicht korrekt gewickelten Rollen sowie bei in die Verpackungsmaschine eingesetzten Folienrollen mit überstehenden oder versetzt gewickelten Abschnitten gehäuft auf, da die bisher eingesetzten Sensoren zur axialen Positionsbestimmung der Rollen nach ihrem Einsetzen solche Qualitätsmängel bei den angelieferten Rollen in aller Regel nicht erkennen können.These problems also occur in incorrectly wound roles and used in the packaging machine film rolls heaped with protruding or staggered wound sections, since the previously used sensors for axial position determination of roles after their onset such quality defects in the delivered roles usually can not recognize ,
Aus diesem Grund wird ein Ziel der vorliegenden Erfindung darin gesehen, eine Vorrichtung und ein Verfahren mit hohem Automatisierungsgrad zur Handhabung von auf Rollen aufgewickeltem Flach- und/oder Folienmaterial zur Verfügung zu stellen, mittels welcher weitgehend unterbrechungsfrei Flach- und/oder Folienmaterial bereitgestellt werden können. Die Vorrichtung und das Verfahren sollen nicht nur eine schnelle und exakte Rollenzuführung zur Verpackungsmaschine ermöglichen bzw. unterstützen, sondern auch zu jedem Zeitpunkt der Materialbahnförderung eine exakte Positionierung der Rollen erlauben, um die in die Verpackungsmaschine geförderten Materialbahnen in der gewünschten Fluchtung befördern und die geforderte Verpackungsqualität gewährleisten zu können.For this reason, an object of the present invention is seen to provide a device and a method with a high degree of automation for handling wound on rolls flat and / or sheet material available by means of which largely flat and / or sheet material can be provided without interruption , The device and the method should not only enable and support a fast and accurate roll feed to the packaging machine, but also at any time of material web conveying allow an exact positioning of the rollers to promote the conveyed into the packaging machine material webs in the desired alignment and the required packaging quality to be able to guarantee.
Diese Ziele der Erfindung werden mit den Gegenständen der unabhängigen Ansprüche erreicht. Merkmale vorteilhafter Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen.These objects of the invention are achieved with the objects of the independent claims. Features of advantageous developments of the invention will become apparent from the dependent claims.
Zur Erreichung des genannten Ziels schlägt die Erfindung eine Vorrichtung zur Zuförderung, Bereitstellung und/oder zur Handhabung und/oder zum Austausch von Rollen mit darauf aufgewickeltem und als Verpackungsmaterial zur Verpackung von Stückgütern, Gebinden oder dergleichen Artikelzusammenstellungen dienendem Flach- und/oder Folienmaterial mit den Merkmalen des unabhängigen Anspruchs 1 vor. Die Zuförderung, Bereitstellung und/oder Handhabung der Rollen kann im Interesse eines ununterbrochenen Verpackungsbetriebes in einer Weise gestaltet sein, dass der Verpackungsbetrieb während des Austauschs von Rollen weitgehend störungsfrei weiterlaufen kann. Wahlweise jedoch kann der Verpackungsbetrieb auch kurzzeitig unterbrochen werden. Bei der erfindungsgemäßen Vorrichtung werden zumindest näherungsweise vollständig abgewickelte und/oder aufgebrauchte Rollen zur Aufrechterhaltung eines kontinuierlichen, eines quasikontinuierlichen oder auch eines diskontinuierlichen Verpackungsbetriebes abwechselnd aus wenigstens einer Einbauposition oder je nach Maschinenausstattung auch aus zwei oder mehr verschiedenen Einbaupositionen einer Verpackungsmaschine entnommen und durch jeweils neue Rollen mit Flach- und/oder Folienmaterial für die jeweilige Einbauposition ersetzt. Zu diesem Zweck kann die Vorrichtung insbesondere mit Einrichtungen zur Bereitstellung neuer Rollen für die Verpackungsmaschine in definierter Zuführung und zur Übernahme der Rollen von der definierten Zuführung und zum Einsetzen der neuen Rollen in die jeweilige Einbauposition der Verpackungsmaschine und/oder zur Entnahme von verbrauchten Rollen aus den jeweiligen Einbaupositionen der Verpackungsmaschine ausgestattet sein, wobei diese Einrichtungen bspw. durch Handhabungsroboter o. dgl. gebildet sein können. Die wenigstens eine der Verpackungsmaschine zugeordnete Einbauposition ist durch einen in seiner axialen Richtung verstellbaren und mitsamt der darauf befindlichen Rolle rotierbaren Aufnahmedorn zur drehbaren Aufnahme und zentrierten Halterung der in der Verpackungsmaschine abzuwickelnden Rolle mit Flach- und/oder Folienmaterial definiert. Der jeweiligen Einbauposition und/oder der auf dem Aufnahmedorn in der jeweiligen Einbauposition befindlichen Rolle mit abzuwickelndem Flach- und/oder Folienmaterial ist wenigstens ein Sensor zur Erfassung einer axialen Position der Rolle und/oder zur Erfassung der räumlichen Positionen zumindest der jeweils äußeren Lagen der abzuwickelnden Rolle zugeordnet. Die Ausgangssignale des wenigstens einen Sensors werden einer Steuervorrichtung zur Verfügung gestellt, die daraus bei Bedarf Steuersignale zur axialen Verstellung des mit einer abzuwickelnden Rolle ausgestatteten Aufnahmedorns generiert, so dass in Abhängigkeit von erfassten und verarbeiteten Sensorsignalen des wenigstens einen Sensors die Rolle mit Hilfe des verstellbaren Aufnahmedorns in eine exakt passende Position gebracht werden kann, um einen störungsfreien Verpackungsbetriebes zu gewährleisten und zu ermöglichen. Die Anpassung der axialen Position des Aufnahmedorns mit der darauf befindlichen Rolle kann wahlweise im laufenden Betrieb während des Abwickelns des Flach- und/oder Folienmaterials oder auch nach dem Einsetzen der Rolle zur erstmaligen Justierung der Rolle vor dem Abziehen des darauf aufgewickelten Flach- und/oder Folienmaterials erfolgen.To achieve the above object, the invention proposes a device for conveying, providing and / or handling and / or replacement of roles with flat and / or sheet material wound thereon and used as packaging material for packaging piece goods, containers or similar article compositions Features of independent claim 1 before. The supply, provision and / or handling of the rolls may be designed in the interest of an uninterrupted packaging operation in such a way that the packaging operation can continue to operate largely smoothly during the replacement of rolls. Optionally, however, the packaging company can be interrupted for a short time. In the apparatus according to the invention, at least approximately completely unwound and / or used up rolls for maintaining a continuous, a quasi-continuous or discontinuous packaging operation alternately from at least one installation position or depending on machine equipment also from two or more different mounting positions of a packaging machine removed and each new roles replaced with flat and / or foil material for the respective installation position. For this purpose, the device may in particular with means for providing new rolls for the packaging machine in a defined feed and take over the roles of the defined supply and for inserting the new roles in the respective installation position of the packaging machine and / or for the removal of used rolls from the be fitted in each installation positions of the packaging machine, these means, for example. By handling robot o. The like. can be formed. The at least one mounting position associated with the packaging machine is defined by a rotatable holding mandrel which is adjustable in its axial direction and together with the roller located thereon for rotatably receiving and centering the roll to be unwound in the packaging machine with flat and / or film material. At least one sensor for detecting an axial position of the roller and / or for detecting the spatial positions of at least the respective outer layers of the unwinding flat and / or foil material is at least one sensor for the respective installation position and / or on the mandrel in the respective installation position Assigned role. The output signals of the at least one sensor are provided to a control device, which generates control signals for the axial adjustment of the mandrel to be unwound, if necessary, so that depending on the detected and processed sensor signals of the at least one sensor, the roller with the aid of the adjustable mandrel can be brought into a precisely fitting position to ensure trouble-free packaging operation and allow. The adaptation of the axial position of the mandrel with the roll thereon can optionally during operation during unwinding of the flat and / or sheet material or after insertion of the roller for initial adjustment of the role before removing the wound thereon flat and / or Foil material done.
Bei der erfindungsgemäßen Vorrichtung kann der wenigstens eine Sensor in einer Weise konfiguriert sein, dass zumindest jeweils äußere Lagen und/oder ein Abstand zwischen zumindest einer Stirnseite der Rolle von einer vorgegebenen Sensorposition einer neu in eine der Einbaupositionen eingesetzten Rolle sensorisch erfasst werden können. So kann die Abtastung der äußeren Lagen der Rolle an einer der Stirnseiten mittels des Sensors oder auch mittels mehrerer Sensoren erfolgen. Bei dem wenigstens einen Sensor kann es sich insbesondere um einen Abstandssensor handeln, der den Abstand von einer Stirnseite der Rolle bzw. von einer seitlichen Materialbahnkante des abgewickelten Flach- und/oder Folienmaterials erfassen und in Abhängigkeit von den erfassten Abständen analoge Sensorwerte ausgeben kann. Auf diese Weise kann der wenigstens eine Sensor je nach Bedarf und/oder je nach seiner Einbausituation und seiner Konfiguration eine Fluchtung des von der Rolle abgewickelten Flach- und/oder Folienmaterials und/oder eine Abweichung von einem Sollverlauf erfassen.In the device according to the invention, the at least one sensor can be configured in a manner such that at least respective outer layers and / or a distance between at least one end face of the roll can be sensed by a predetermined sensor position of a new roll inserted into one of the installation positions. Thus, the scanning of the outer layers of the roll can be done on one of the front sides by means of the sensor or by means of several sensors. The at least one sensor may in particular be a distance sensor which can detect the distance from an end face of the roll or from a lateral material web edge of the unwound flat and / or film material and output analog sensor values as a function of the detected distances. In this way, the at least one sensor, depending on requirements and / or depending on its installation situation and its configuration, can detect an alignment of the flat and / or foil material unwound from the roll and / or a deviation from a desired course.
Bei dem wenigstens einen Sensor kann es sich bspw. um einen optischen Sensor und/oder einen Ultraschallsensor oder einem anderen geeigneten Sensor handeln. Wahlweise kann zudem vorgesehen sein, dass der wenigstens eine Sensor im Abstand zur jeweils in der Einbauposition befindlichen Rolle variabel und/oder einstellbar ist. Der Sensor kann bspw. auch durch eine Kamera mit nachgeschalteter Bildauswertung gebildet sein.The at least one sensor may, for example, be an optical sensor and / or an ultrasonic sensor or another suitable sensor. Optionally, it can also be provided that the at least one sensor is variable and / or adjustable at a distance from the roller which is in each case in the installed position. The sensor may, for example, also be formed by a camera with downstream image evaluation.
Zur Erreichung des oben genannten Ziels schlägt die vorliegende Erfindung zudem ein Verfahren zur Zuförderung, Bereitstellung und/oder zur weitgehend unterbrechungsfreien Handhabung und/oder zum Austausch von Rollen mit darauf aufgewickeltem und als Verpackungsmaterial zur Verpackung von Stückgütern, Gebinden oder dergleichen Artikelzusammenstellungen dienendem Flach- und/oder Folienmaterial mit den Merkmalen des unabhängigen Verfahrensanspruchs vor. Auch bei dem erfindungsgemäßen Verfahren kann die Zuförderung, Bereitstellung und/oder Handhabung der Rollen im Interesse eines ununterbrochenen Verpackungsbetriebes in einer Weise gestaltet sein, dass der Verpackungsbetrieb während des Austauschs von Rollen weitgehend störungsfrei weiterlaufen kann. Wahlweise jedoch kann der Verpackungsbetrieb auch kurzzeitig unterbrochen werden. Bei dem erfindungsgemäßen Verfahren wird eine zumindest näherungsweise vollständig abgewickelte und/oder aufgebrauchte Rolle zur Aufrechterhaltung eines kontinuierlichen, eines quasikontinuierlichen oder auch eines diskontinuierlichen Verpackungsbetriebes abwechselnd aus wenigstens einer Einbauposition einer Verpackungsmaschine entnommen und hierauf jeweils eine neue Rolle mit Flach- und/oder Folienmaterial in die jeweilige Einbauposition eingesetzt. Jede neue Rolle wird der Verpackungsmaschine in definierter Zuführung bereitgestellt und in die jeweilige Einbauposition eingesetzt, nachdem dort zuvor eine verbrauchte Rolle entnommen wurde. Die Einbaupositionen sind in der Verpackungsmaschine jeweils durch rotierbare Aufnahmedorne zur drehbaren Aufnahme und zentrierten Halterung der in der Verpackungsmaschine abzuwickelnden Rollen mit Flach- und/oder Folienmaterial definiert. Zudem wird der jeweilige rotierbare Aufnahmedorn unmittelbar nach dem Einsetzen einer neuen Rolle in eine der Einbaupositionen und/oder während des laufenden Verpackungsbetriebes und während des Abwickelns der neuen Rolle zur Justierung der axialen Positionierung der Rolle auf dem Aufnahmedorn und/oder zur Justierung der Fluchtung des von der Rolle abgewickelten Flach- und/oder Folienmaterials in seiner jeweiligen axialen Richtung verstellt.In order to achieve the above-mentioned object, the present invention also proposes a method for conveying, providing and / or largely uninterrupted handling and / or replacement of rolls having flat sheets wound thereon and used as packaging material for packaging piece goods, packages or similar article compositions / or film material with the features of the independent method claim. Also in the method according to the invention, the feeding, provision and / or handling of the rolls in the interest of a continuous packaging operation can be designed in such a way that the packaging company can continue to run during the replacement of roles largely trouble-free. Optionally, however, the packaging company can be interrupted for a short time. In the method according to the invention, an at least approximately completely unwound and / or used up roll for maintaining a continuous, a quasi-continuous or even a discontinuous packaging operation is taken alternately from at least one installation position of a packaging machine and then each a new role with flat and / or sheet material in the each installation position used. Each new roll is provided to the packaging machine in a defined feed and used in the respective installation position, after there was previously taken a used-up roll. The installation positions are defined in the packaging machine in each case by rotatable receiving mandrels for rotatable receiving and centered holding of the rolls to be unwound in the packaging machine with flat and / or foil material. In addition, the respective rotatable mandrel is immediately after the insertion of a new role in one of the mounting positions and / or during ongoing packaging operation and during unwinding of the new roll for adjusting the axial positioning of the roll on the mandrel and / or adjusting the alignment of the roll unwound flat and / or sheet material adjusted in its respective axial direction.
Bei dem erfindungsgemäßen Verfahren können zumindest jeweils äußere Lagen einer neu in eine der Einbaupositionen eingesetzten Rolle sensorisch erfasst werden. Hierbei erfolgt eine Abtastung zumindest der äußeren Lagen der jeweils neu in die Verpackungsmaschine eingesetzten Rolle im Bereich einer der Stirnseiten oder auch beider Stirnseiten mittels Sensor bzw. Sensoren. Das von der Rolle abgewickelte Flach- und/oder Folienmaterial passiert somit eine Sensorposition, wodurch die Fluchtung des von der Rolle abgewickelten Flach- und/oder Folienmaterials und/oder eine Abweichung von einem Sollverlauf erfasst werden kann. So kann vorgesehen sein, dass ein Abstand zwischen zumindest einer Stirnseite der Rolle von einer vorgegebenen Sensorposition erfasst wird. Eine solche Abstandsmessung kann mit einem den Abstand erfassenden Sensor erfolgen. Zu diesem Zweck kann bspw. ein sog. Gabelsensor eingesetzt werden, zwischen dessen Schenkeln das Flach- und/oder Folienmaterial geführt ist, so dass er eine korrekte Fluchtung durch Erfassung der Eintauchtiefe des Verpackungsmaterials in die Gabel des Gabelsensors erfassen kann. Das von der Rolle abgewickelte Flach- und/oder Folienmaterial passiert somit vorzugsweise eine Sensorposition, wobei die Fluchtung des von der Rolle abgewickelten Flach- und/oder Folienmaterials und/oder eine Abweichung von einem Sollverlauf erfasst werden können.In the method according to the invention, at least in each case outer layers of a roll newly inserted in one of the installation positions can be detected by sensors. In this case, a scan of at least the outer layers of each new in the Packing machine used role in the area of one of the end faces or both ends by means of sensor or sensors. The unwound from the roll flat and / or sheet material thus passes a sensor position, whereby the alignment of the unwound from the roll flat and / or sheet material and / or a deviation from a desired course can be detected. Thus, it can be provided that a distance between at least one end face of the roller is detected by a predetermined sensor position. Such a distance measurement can be done with a distance sensing sensor. For this purpose, for example, a so-called. Fork sensor can be used, between the legs of the flat and / or sheet material is guided so that it can detect a correct alignment by detecting the depth of immersion of the packaging material in the fork of the fork sensor. The unwound from the roll flat and / or sheet material thus preferably passes a sensor position, wherein the alignment of the unwound from the roll flat and / or sheet material and / or a deviation from a desired course can be detected.
Eine weitere Option des Verfahrens sieht vor, dass ein Abstand des wenigstens einen Sensors zur jeweils in der Einbauposition befindlichen Rolle variabel und/oder einstellbar ist. Dadurch kann die Sensorposition nach einem Rollenwechsel bspw. auch an unterschiedliche Materialbahnbreiten bzw. unterschiedliche Rollenbreiten und/oder unterschiedliche Rollendurchmesser angepasst werden. Bei allen unterschiedlichen Messvarianten kann vorgesehen sein, dass der Abstand zwischen zumindest einer Stirnseite der Rolle von einer vorgegebenen und/oder variablen Sensorposition auf optischem Wege sensorisch erfasst wird. Ebenso denkbar ist es jedoch, dass der Abstand zwischen zumindest einer Stirnseite der Rolle von einer vorgegebenen und/oder variablen Sensorposition mittels eines Ultraschallsensors erfasst wird. Weitere physikalische Messprinzipien sind denkbar und sinnvoll für das erfindungsgemäße Verfahren einsetzbar, ggf. auch eine Kombination der genannten und/oder weiteren Messprinzipien. Als Sensor kann vorteilhaft auch eine Kamera mit nachgeschalteter Bildauswertung eingesetzt werden.A further option of the method provides that a distance of the at least one sensor is variable and / or adjustable to each located in the installed position role. As a result, the sensor position after a roll change, for example, can also be adapted to different material web widths or different roll widths and / or different roll diameters. In the case of all different measuring variants, it can be provided that the distance between at least one front side of the roller is sensed by a predetermined optical and / or variable sensor position. However, it is also conceivable that the distance between at least one end face of the roller is detected by a predetermined and / or variable sensor position by means of an ultrasonic sensor. Further physical measuring principles are conceivable and useful for the method according to the invention, optionally also a combination of the mentioned and / or further measuring principles. As a sensor can also be advantageously used a camera with downstream image analysis.
Weiterhin sieht das Verfahren eine optionale Anpassung einer axialen Position des Aufnahmedorns unmittelbar nach dem Einsetzen einer neuen Rolle in eine der Einbaupositionen vor. So kann diese Anpassung der axialen Position der Rolle wahlweise nur nach dem Einsetzen erfolgen, nicht jedoch im laufenden Betrieb, was die sensorische Erfassung vereinfacht und den Steuerungsaufwand im laufenden Betrieb reduzieren kann. Unter Inkaufnahme eines erhöhten Rechenaufwandes kann bei dem Verfahren jedoch auch die axiale Position des Aufnahmedorns während des laufenden Verpackungsbetriebes auf Grundlage der Sensorwerte angepasst werden, was den Vorteil einer exakteren Bahnführung für das abgewickelte Flach- und/oder Folienmaterial mit sich bringt.Furthermore, the method provides for an optional adjustment of an axial position of the mandrel immediately after the insertion of a new roll in one of the mounting positions. Thus, this adjustment of the axial position of the roller can optionally be done only after insertion, but not during operation, which simplifies the sensory detection and can reduce the control effort during operation. At the cost of an increased computational effort, however, in the process, the axial position of the mandrel during the current Packaging company can be adjusted based on the sensor values, which brings the advantage of a more accurate web guide for the unwound flat and / or sheet material with it.
Die erfindungsgemäße Vorrichtung und das erfindungsgemäße Verfahren ermöglichen eine verbesserte Materialbahnführung mit exakteren Anschlussbedingungen nach einem Rollenwechsel innerhalb einer Verpackungsmaschine. Da bei Foliendornen mit motorischer Positionierung die Folienrollenkante beim Einfahren des Foliendorns in die Maschine normalerweise mittels eines Sensors erkannt wird, der beim Erkennen der Folienkante ein Signal für die Maschine liefert, die dieser die Position der Folienrolle auf dem Dorn liefert, so dass anhand der im Bedienpult hinterlegten Daten zur Folienbreite die Folienrolle mittig in der Maschine positioniert werden kann, können normalerweise nur exakt gewickelte Rollen und Folienrollen mit überstehendem Kern genau positioniert werden. Bei schräg gewickelten Rollen oder Rollen mit einem Überstand versagt dieser Sensor und liefert keine verwertbaren Daten, um die Rollen richtig zu positionieren. Nicht korrekt positionierte Folienrollen werden allerdings mit einem Versatz verschweißt, was zu nicht korrekt umwickelten Gebinden führt, was wiederum zu Einschränkungen in dem zu verarbeitenden Produktionsmittel für den Kunden und/oder zu erhöhten Standzeiten führen kann.The device according to the invention and the method according to the invention enable improved material web guidance with more exact connection conditions after a roll change within a packaging machine. As with film thorns with motorized positioning the film roll edge is usually detected when retracting the film mandrel into the machine by means of a sensor that provides a signal to the machine when detecting the edge of the film, this provides the position of the film roll on the mandrel, so based on the Control panel stored data on the film width, the film roll can be positioned in the middle of the machine, usually only exactly wound rolls and rolls of film with protruding core can be accurately positioned. For helically wound rolls or rolls with a protrusion, this sensor will fail and will not provide usable data to properly position the rolls. However, improperly positioned film rolls are sealed with an offset, resulting in improperly wrapped packages, which in turn may result in limitations on the customer's production equipment being processed and / or increased downtime.
Demgegenüber liefert die Erfindung eine verbesserte Möglichkeit zur Vermeidung dieser Nachteile. Beim Vorbeifahren der Folienrolle werden die gemessenen Abstände permanent von der Sensorik mit nachgeschalteter Datenverarbeitung erfasst. In der Signalverarbeitung wird ausgewertet, in welcher Position der minimale Abstand (relevante Folienkante) sich eingestellt hat. Zudem ist es von Vorteil, einen geeigneten Sensor wie bspw. einen Gabelsensor, der den seitlichen Folienverlauf misst, kurz nach dem Foliendorn anzubringen. Damit lässt sich eine schnellere und exaktere Ausregelung der Position der Folienrolle gegen seitlichen Folienverlauf gewährleisten. Der besondere Vorteil der beschriebenen Methode besteht darin, dass auch Folienrollen mit Überstand und Schrägwicklung genau mittig positioniert werden können. Dadurch können auch nicht perfekt vorbereitete Folienrollen verarbeitet werden; außerdem können Maschinenstandzeiten vermieden werden.In contrast, the invention provides an improved way to avoid these disadvantages. When passing the film roll, the measured distances are permanently detected by the sensor with downstream data processing. In the signal processing, it is evaluated in which position the minimum distance (relevant foil edge) has been set. In addition, it is advantageous to attach a suitable sensor, such as a fork sensor, which measures the lateral foil course, shortly after the foil mandrel. This ensures a faster and more accurate adjustment of the position of the film roll against the side of the film. The particular advantage of the method described is that even film rolls with supernatant and skew can be positioned exactly in the middle. As a result, not perfectly prepared rolls of film can be processed; In addition, machine downtime can be avoided.
Im Folgenden sollen Ausführungsbeispiele die Erfindung und ihre Vorteile anhand der beigefügten Figuren näher erläutern. Die Größenverhältnisse der einzelnen Elemente zueinander in den Figuren entsprechen nicht immer den realen Größenverhältnissen, da einige Formen vereinfacht und andere Formen zur besseren Veranschaulichung vergrößert im Verhältnis zu anderen Elementen dargestellt sind.
-
Fig. 1 zeigt eine schematische Perspektivansicht einer Ausführungsvariante einer Verpackungsmaschine, die eine erfindungsgemäße Vorrichtung aufweist. -
Fig. 2 zeigt eine schematische Perspektivansicht zweier Einbaupositionen für Rollen innerhalb der Verpackungsmaschine. -
Fig. 3 zeigt in zwei perspektivischen Ansichten einen Handhabungsroboter beim Einsetzen einer neuen Rolle in die Verpackungsmaschine. -
Fig. 4 zeigt eine schematische Draufsicht auf einen Teil der Verpackungsmaschine mit zwei parallel angeordneten Rollen mit flächigem Verpackungsmaterial. -
Figur 5 zeigt in insgesamt fünf schematischen Ansichten verschiedene Rollenvarianten, deren unterschiedliche Wicklungsfehler mittels geeigneter Sensorik erkannt werden.
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Fig. 1 shows a schematic perspective view of an embodiment of a packaging machine having a device according to the invention. -
Fig. 2 shows a schematic perspective view of two installation positions for roles within the packaging machine. -
Fig. 3 shows in two perspective views a handling robot when inserting a new roll in the packaging machine. -
Fig. 4 shows a schematic plan view of a part of the packaging machine with two parallel rollers with flat packaging material. -
FIG. 5 shows in a total of five schematic views different roles variants whose different winding errors are detected by means of suitable sensors.
Für gleiche oder gleich wirkende Elemente der Erfindung werden identische Bezugszeichen verwendet. Ferner werden der Übersicht halber nur Bezugszeichen in den einzelnen Figuren dargestellt, die für die Beschreibung der jeweiligen Figur erforderlich sind. Die dargestellten Ausführungsformen stellen lediglich Beispiele dar, wie die erfindungsgemäße Vorrichtung oder das erfindungsgemäße Verfahren ausgestaltet sein können und stellen keine abschließende Begrenzung dar.For identical or equivalent elements of the invention, identical reference numerals are used. Furthermore, for the sake of clarity, only reference symbols are shown in the individual figures, which are required for the description of the respective figure. The illustrated embodiments are merely examples of how the device or method of the invention may be configured and are not an exhaustive limitation.
Die schematische Perspektivansicht der
Wie eine Zusammenschau der
Die neuen Rollen 12 setzen sich jeweils zusammen aus dem aufgewickelten flächigen Verpackungsmaterial 18 bzw. der Verpackungs- oder Schrumpffolie sowie einem Kern 22, auf welchem das Verpackungsmaterial 18 bzw. die Schrumpffolie aufgewickelt ist. Zur Entgegennahme einer neuen Rolle 12 von einer in
Über die Horizontalfördereinrichtung 24 oder über eine hier nicht dargestellte Palettenanlieferung oder über andere geeignete Zuführvarianten können dem Handhabungsroboter 14 neue Rollen 12 in ununterbrochener Folge zur Verfügung gestellt werden, so dass bei Entnahme einer neuen Rolle 12 von der Horizontalfördereinrichtung 24 eine weitere neue Rolle 12 in Richtung des Handhabungsroboters 14 weiterbewegt wird bzw. in Richtung des Handhabungsroboters 14 nachrückt. Die Horizontalfördereinrichtung 24 kann je nach Bedarf in gewünschter Weise getaktet oder durchgehend mit konstanter Geschwindigkeit betrieben werden.Via the
In
Die
Vorzugsweise stehen die Horizontalfördereinrichtung 24, der Handhabungsroboter 14 und die Verpackungsmaschine 8 bzw. die darin enthaltene Vorrichtung 10 in Verbindung mit einer hier nicht gezeigten Steuerungseinheit. Diese kann insbesondere den getakteten Betrieb der Horizontalfördereinrichtung 24 vorgeben sowie ein Einsetzen und eine Entnahme von Rollen 12 bzw. 16 durch den Handhabungsroboter 14 aus den beiden Einbaupositionen EB1 und EB2 initiieren. Zudem kann sie ein Abrollen von Verpackungsmaterial bzw. Schrumpffolie der in der Verpackungsmaschine 8 eingesetzten Rollen 12 steuern.Preferably, the
Die schematische Perspektivansicht der
Die
In der Darstellung der
Jeder der Einbaupositionen EB1 und EB2 kann außerdem eine hier nicht dargestellte eigene Sensorik bzw. eine Kamera zugeordnet sein, mittels welcher zumindest näherungsweise vollständig abgewickelte und/oder aufgebrauchte Rollen 16 optisch erkannt werden können, so dass ein Austausch gegen eine neue Rolle 12 vorbereitet und eingeleitet werden kann. Damit die zumindest näherungsweise vollständig abgewickelte und/oder aufgebrauchte Rolle 16 aus ihrer jeweiligen Einbauposition EB1 bzw. EB2 entnommen werden kann, wird zuvor eine zwischen der jeweiligen Rolle 16 und dem Aufnahmedorn 42 hergestellte klemmende Verbindung gelöst. Dies erfolgt typischerweise durch Reduzierung des Querschnittsdurchmessers des jeweiligen Aufnahmedorns 42, wodurch sich der Rollenkern 22 abziehen lässt. Das Lösen der klemmenden Verbindung bzw. die Verminderung des Querschnittsdurchmessers der Aufnahmedorne 42 wird durch die bereits erwähnte Steuerungseinheit vorgegeben, ebenso wie die optionale axiale Verschiebung der Dornen 42 zur besseren Kommunikation mit dem Handhabungsroboter 14 und dessen Haltedorn 28.Each of the installation positions EB1 and EB2 can also be assigned a separate sensor system or a camera, not shown here, by means of which at least approximately completely unwound and / or
Die Vorrichtung 10 kann auf diese Weise automatisiert betrieben werden. Zu diesem Zweck dient ein Greifstab 46, mit dem die äußere Lage 20 der in die zweite Einbauposition EB2 eingesetzten neuen Rolle 12 erfasst und unterhalb des Schweißbalkens nach links in Richtung zur ersten Einbauposition EB1 gezogen wird. Der in
Die schematischen Darstellungen der
Die
Sobald die neue Rolle 12 auf dem Aufnahmedorn 42 platziert ist, typischerweise durch Schieben gegen den axialen Anschlag 52, kann die äußere Lage 20 gemäß
Die Verschiebemöglichkeit des Lagerbocks 56 mit Hilfe der Schlittenführung 58 kann insbesondere zur exakten Positionierung der Rolle 12 in Bezug auf die Materialbahnführung in der Verpackungsmaschine 8 notwendig sein. So ist es notwendig, die Materialbahnen 18 beim Aneinanderfügen exakt fluchtend zu führen, weshalb eine passende Positionierung der Rolle 12 erforderlich ist. Die jeweiligen Möglichkeiten der Positionierung der Rollen 12 und 16 in ihren jeweiligen axialen Richtungen sind in der
Auf diese Weise können die neuen Folienrollen 12 mittig in der Maschine 8 positioniert werden, was allerdings nur bei exakt gewickelten Rollen 12 und Folienrollen mit überstehendem Kern 22 in der gewünschten Weise zu gewährleisten ist. Bei schräg gewickelten Rollen 12 oder Rollen 12 mit einem Überstand versagen die üblicherweise eingesetzten Sensoren 60 und liefern keine verwertbaren Daten, um die Rollen 12 richtig zu positionieren. Nicht korrekt positionierte Folienrollen 12 können in diesen Fällen mit einem Versatz verschweißt werden, was zu nicht korrekt umwickelten Gebinden führt, was wiederum zu Einschränkungen in dem zu verarbeitenden Produktionsmittel für den Kunden und/oder zu erhöhten Standzeiten führen kann.In this way, the new film rolls 12 can be positioned centrally in the
Die insgesamt fünf schematischen Darstellungen der
Der vom Sensor 66 aus der stirnseitigen Rollenkontur generierte Signalwert 72 wird in einer Steuerschaltung 74 ausgewertet und zur Bildung eines Steuersignals 76 zur axialen Verschiebung 64 der Rolle 12 bzw. 16 aufbereitet. Diese axiale Verschiebung 64 der Rolle 12 bzw. 16 (vgl. auch
Auf diese Weise kann in Abhängigkeit von den jeweils erfassten und verarbeiteten Sensorsignalen 72 des wenigstens einen Sensors 66 die Rolle 12 bzw. 16 mit Hilfe des verstellbaren Aufnahmedorns 42 in eine exakt passende Position gebracht werden, um einen störungsfreien Verpackungsbetrieb zu gewährleisten. Die Anpassung der axialen Position des Aufnahmedorns 42 mit Hilfe des entlang der Schlittenführung 58 verstellbaren Lagerbocks 56 kann vorzugsweise im laufenden Betrieb während des Abwickelns des Flach- und/oder Folienmaterials 18 oder wahlweise lediglich nach dem Einsetzen einer neuen Rolle 12 zur erstmaligen Justierung der Rolle 12 vor dem Abziehen des darauf aufgewickelten Flach- und/oder Folienmaterials 18 erfolgen.In this way, depending on the respectively detected and processed sensor signals 72 of the at least one
Sofern die axiale Lagekorrektur 64 der Rolle 12 bzw. 16 dagegen ständig während des laufenden Betriebes, d.h. während des Abwickelns des Flach- und/oder Folienmaterials 18 in der Verpackungsmaschine 8 erfolgt, so können auch unterschiedliche Abweichungen des Wicklungszustandes neu eingesetzter Rollen 12 vom Idealzustand gemäß
Bei der Variante gemäß
Bei der Variante gemäß
Auch bei der in
Bei der in
Neben den gezeigten Wicklungsfehlern sind auch Kombinationen mehrerer dieser Abweichungen von einer normgerecht gewickelten Rolle 12 denkbar, die jedoch mittels der gezeigten Sensorik - wahlweise gebildet durch einen Sensor 66 oder mehrere Sensoren 66 - erkannt und mit Hilfe der nachgeordneten Steuerung 74 durch Verschieben der Rolle 12 in axialer Richtung (Pfeil 64) bedarfsweise ausgeglichen weren können. Auf diese Weise können auch Folienrollen mit Überstand und/oder Schrägwicklungen unterschiedlichen Kegelwinkels genau mittig positioniert werden. Dadurch können auch nicht perfekt vorbereitete Folienrollen verarbeitet werden; außerdem können Maschinenstandzeiten vermieden werden.In addition to the winding errors shown combinations of several of these deviations from a
Wie erwähnt, kann es sich bei dem wenigstens einen Sensor 66 bspw. um einen optischen Sensor und/oder einen Ultraschallsensor oder einem anderen geeigneten Sensor handeln. Wahlweise kann zudem vorgesehen sein, dass der wenigstens eine Sensor 66 im Abstand zur jeweils in der Einbauposition befindlichen Rolle 12 bzw. zu deren Stirnseite 68 variabel und/oder einstellbar ist. Der Sensor 66 kann bspw. auch durch eine Kamera mit nachgeschalteter Bildauswertung gebildet sein.As mentioned, the at least one
Die Erfindung wurde unter Bezugnahme auf eine bevorzugte Ausführungsform beschrieben. Es ist jedoch für einen Fachmann vorstellbar, dass Abwandlungen oder Änderungen der Erfindung gemacht werden können, ohne dabei den Schutzbereich der nachstehenden Ansprüche zu verlassen.The invention has been described with reference to a preferred embodiment. However, it will be apparent to those skilled in the art that modifications or changes may be made to the invention without departing from the scope of the following claims.
- 88th
- Verpackungsmaschine, MaschinePackaging machine, machine
- 1010
- Vorrichtungcontraption
- 1212
- Rolle, neue RolleRole, new role
- 1414
- Handhabungsroboterhandling robots
- 1616
- Rolle, verbrauchte Rolle, teilweise abgewickelte Rolle, teilweise verbrauchte Rolle, leere RolleRoll, used roll, partially wound roll, partially used roll, empty roll
- 1818
- Materialbahn, Verpackungsmaterial, Flachmaterial, FolienmaterialMaterial web, packaging material, flat material, film material
- 2020
- äußere Lage, äußere Materialbahnouter layer, outer material web
- 2222
- Kern, RollenkernCore, roll core
- 2424
- HorizontalfördereinrichtungHorizontal conveyor
- 2626
- Auslegerarm, SchwenkarmCantilever arm, swivel arm
- 2828
- Haltedornholding mandrel
- 3030
- Armabschnitt, GreifarmArm section, gripper arm
- 3232
- Manipulatormanipulator
- 3434
- Benutzer, BedienpersonUser, operator
- 3636
- Palettepalette
- 3838
- Haltedornholding mandrel
- 4040
- ContainerContainer
- 4242
- Dorn, Aufnahmedorn, HaltedornThorn, mandrel, retaining pin
- 4444
- Schweißbalken, FolienschweißstationWelding bar, foil welding station
- 4646
- Greifstabcross bar
- 4848
- Drehachse, Schwenkachse, horizontal orientierte AchseRotary axis, swivel axis, horizontally oriented axis
- 5050
- Stempelaufsatzstamp unit
- 5252
- axialer Anschlagaxial stop
- 5454
- Antriebseinheit, elektrische AntriebseinheitDrive unit, electric drive unit
- 5656
- Lagerbockbearing block
- 5858
- Schlittenführungcarriage guide
- 6060
- Positionssensorposition sensor
- 6262
- axiale Verschiebung (der Rolle), axiale Lagekorrekturaxial displacement (of the roller), axial position correction
- 6464
- axiale Verschiebung (der Rolle), axiale Lagekorrektur, axiale Verstellung, axiale Positionaxial displacement (of the roller), axial position correction, axial adjustment, axial position
- 6666
- Sensorsensor
- 6868
- Stirnseite (der Rolle)Front side (of the roll)
- 7070
- Abtastzonescanning
- 7272
- Signalwert, Sensorwert, analoger Signalwert, Ausgangssignal, SensorsignalSignal value, sensor value, analog signal value, output signal, sensor signal
- 72a72a
- erster Signalwertfirst signal value
- 72b72b
- zweiter Signalwertsecond signal value
- 72c72c
- dritter Signalwertthird signal value
- 72d72d
- vierter Signalwertfourth signal value
- 72e72e
- fünfter Signalwertfifth signal value
- 7474
- Steuerschaltung, Auswerteschaltung, SteuervorrichtungControl circuit, evaluation circuit, control device
- 7676
- Steuersignalcontrol signal
- 7878
- Überstand, KernüberstandSupernatant, nuclear supernatant
- 8080
- Überstand (der äußeren Materialbahn, mehrerer äußerer Materialbahnen)Overhang (the outer material web, several outer material webs)
- 8282
- Überstand (einer mittleren Materialbahn, mehrerer mittlerer Materialbahnen)Supernatant (one middle material web, several middle material webs)
- EB1EB1
- erste Einbauposition (für eine Rolle)first installation position (for a roll)
- EB2EB2
- zweite Einbauposition (für eine Rolle)second installation position (for a roll)
Claims (14)
- A device (10) for feeding, providing and/or handling and/or exchanging rolls (12, 16) having flat and/or film material (18) wound thereon and serving as packaging material for packaging piece goods, bundles or similar article combinations, wherein rolls (16) which are at least approximately completely unwound and/or used up can be removed alternately from at least one installation position (EB1, EB2) of a packaging machine (8) and can be replaced by a new roll (12) having flat and/or film material (18) respectively for the respective installation position (EB1, EB2) for maintaining a packaging operation, wherein the at least one installation position (EB1, EB2) in the packaging machine (8) is defined by a rotatable receiving mandrel (42), which is adjustable in its axial direction, for rotatably receiving and centrally holding the roll (12, 16) having flat and/or film material (18) to be unwound in the packaging machine (8), characterized in that an at least one sensor (60, 66) for detecting an axial position of the roll (12, 16) and/or for detecting the spatial positions of at least the respective outer layers (20) of the roll (12, 16) to be unwound is associated with the respective installation position (EB1, EB2) and/or the roll (12, 16) having flat and/or film material (18) to be unwound located on the receiving mandrel (42) in the respective installation position (EB1, EB2), wherein output signals (72) of the at least one sensor (60, 66) of a control device (74) are provided for generating control signals (76) for axial adjustment (64) of the receiving mandrel (42) equipped with a roll (12, 16) to be unwound as a function of detected and processed sensor signals (72) of the at least one sensor (60, 66).
- The device as recited in claim 1 in which the at least one sensor (60, 66) detects sensorially at least respective outer layers (20) and/or a distance between at least one end face (68) of the roll (12, 16) and a predetermined sensor position of a roll (12, 16) which has been newly inserted into one of the installation positions (EB1, EB2).
- The device as recited in claim 1 or 2 in which the at least one sensor (60, 66) detects an alignment of the flat and/or film material (18) unwound from the roll (12, 16) and/or a deviation from a desired course.
- The device as recited in one of the claims 1 to 3 in which the at least one sensor (60, 66) is an optical sensor and/or an ultrasonic sensor.
- The device as recited in one of the claims 1 to 4 in which the at least one sensor (60, 66) is variable and/or adjustable regarding the distance to the respective roll (12, 16) located in the installation position (EB1, EB2) and/or its front face (68).
- A method for feeding, providing and/or handling and/or exchanging rolls (12, 16) having flat and/or film material (18) wound thereon and serving as packaging material for packaging piece goods, bundles or similar article combinations in which an at least approximately completely unwound and/or used up roll (16) is removed alternately from at least one installation position (EB1, EB2) of a packaging machine (8) and a new roll (12) respectively having flat and film material (18) is subsequently inserted into the respective installation position (EB1, EB2) for maintaining a packaging operation, wherein new rolls (12) are provided to the packaging machine (8) in a defined feed and are inserted into the respective installation position (EB1, EB2) after a used roll (16) has previously been removed, wherein the installation positions (EB1, EB2) in the packaging machine (8) are each defined by rotatable receiving mandrels (42) for rotatably receiving and centrally holding the rolls (12, 16) having flat and/or film material (18) to be unwound in the packaging machine (8), and wherein the respective rotatable receiving mandrel (42) is adjusted in its respective axial direction immediately after insertion of a new roll (12) into one of the installation positions (EB1 or EB2) and/or during the ongoing packaging operation and the unwinding of the new roll (12) for adjusting the axial positioning of the roll (12) on the receiving mandrel (42) and/or for adjusting the alignment of the flat and/or film material (18) unwound from the roll (12).
- The method as recited in claim 6 in which at least respective outer layers (20) of a roll (12) which has been newly inserted into one of the installation positions (EB1, EB2) are sensorially detected.
- The method as recited in claim 6 or 7 in which an axial position (64) of the receiving mandrel (42) is adjusted immediately after insertion of a new roll (12) into one of the installation positions (EB1, EB2).
- The method as recited in one of the claims 6 to 8 in which a distance between at least one end face (68) of the roll (12, 16) and a predetermined sensor position is detected.
- The method as recited in one of the claims 6 to 9 in which the flat and/or film material (18) unwound from the roll (12, 16) passes a sensor position, wherein the alignment of the flat and/or film material (18) unwound from the roll (12, 16) and/or a deviation from a desired course is detected.
- The method as recited in claim 9 or 10 in which a distance of the at least one sensor (60, 66) to the respective roll (12, 16) located in the installation position (EB1, EB2) and/or its end face (68) is variable and/or adjustable.
- The method as recited in one of the claims 6 to 11 in which an axial position of the receiving mandrel (42) is adjusted during the ongoing packaging operation based on the sensor readings (72).
- The method as recited in one of the claims 6 to 12 in which the distance between at least one end face (68) of the roll (12, 16) and a predetermined and/or variable sensor position is detected sensorially by optical means.
- The method as recited in one of the claims 6 to 12 in which the distance between at least one end face (68) of the roll (12, 16) and a predetermined and/or variable sensor position is detected by means of an ultrasonic sensor.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015225914.5A DE102015225914A1 (en) | 2015-12-18 | 2015-12-18 | Apparatus and method for conveying, providing and exchanging rolls of packaging material in a packaging machine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3181500A1 EP3181500A1 (en) | 2017-06-21 |
EP3181500B1 true EP3181500B1 (en) | 2018-10-17 |
EP3181500B2 EP3181500B2 (en) | 2023-05-17 |
Family
ID=57223619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16197100.7A Active EP3181500B2 (en) | 2015-12-18 | 2016-11-03 | Device and method for supplying, providing and exchange of rolls with packaging material in a packaging machine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3181500B2 (en) |
CN (1) | CN206307795U (en) |
DE (1) | DE102015225914A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021129077A1 (en) * | 2019-12-24 | 2021-07-01 | 无锡先导智能装备股份有限公司 | Automatic roll replacing device, and winding equipment |
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Also Published As
Publication number | Publication date |
---|---|
CN206307795U (en) | 2017-07-07 |
EP3181500B2 (en) | 2023-05-17 |
DE102015225914A1 (en) | 2017-06-22 |
EP3181500A1 (en) | 2017-06-21 |
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