EP3851401B1 - Dispositif et procédé de déroulement et d'alimentation de matière enroulée croisée, ainsi qu'utilisation - Google Patents

Dispositif et procédé de déroulement et d'alimentation de matière enroulée croisée, ainsi qu'utilisation

Info

Publication number
EP3851401B1
EP3851401B1 EP21401001.9A EP21401001A EP3851401B1 EP 3851401 B1 EP3851401 B1 EP 3851401B1 EP 21401001 A EP21401001 A EP 21401001A EP 3851401 B1 EP3851401 B1 EP 3851401B1
Authority
EP
European Patent Office
Prior art keywords
strip
unwinding
width
shaped material
reel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21401001.9A
Other languages
German (de)
English (en)
Other versions
EP3851401C0 (fr
EP3851401A1 (fr
Inventor
Almir Ahmetovic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Opti Run GmbH
Original Assignee
Opti Run GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102020101003.6A external-priority patent/DE102020101003B4/de
Priority claimed from DE202020100225.2U external-priority patent/DE202020100225U1/de
Application filed by Opti Run GmbH filed Critical Opti Run GmbH
Publication of EP3851401A1 publication Critical patent/EP3851401A1/fr
Application granted granted Critical
Publication of EP3851401C0 publication Critical patent/EP3851401C0/fr
Publication of EP3851401B1 publication Critical patent/EP3851401B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18—Methods or apparatus in which packages rotate
    • B65H49/20—Package-supporting devices
    • B65H49/32—Stands or frameworks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
    • B65H59/04—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on package or support
    • 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
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes

Definitions

  • the present invention relates to an unwinding and feeding module for cross-wound strip material wound on a cross-wound spool that is rotatably mounted on the unwinding and feeding module about a spool axis, wherein the strip material is guided by means of the unwinding and feeding module from the spool to a feed unit of the unwinding and feeding module. Furthermore, the present invention relates to a method for unwinding and feeding cross-wound strip material by means of an unwinding and feeding module from a cross-wound spool to/in a system, in particular in connection with systems for cutting, gluing, and/or folding packaging material such as cardboard boxes.
  • the present invention also relates to the use of an unwinding and feeding module for cross-wound strip material coupled to such a system.
  • the invention relates to a device and a method according to the preamble of the respective independent claim.
  • strip-like material In many at least partially automated systems and processes, such as cardboard processing, strip-like material must be fed.
  • This strip-like material is designed, for example, as a silicone tape and is usually wound on material rolls or spools. Depending on the length and thickness of the material, these rolls or spools have a large diameter. Once the material is unwound, the roll must be changed.
  • the DE 20 2011 104 928 U1 describes a mounting of a winding roll on a plurality of rolls, wherein the tape to be unwound is guided over a segment axis and, after being deflected on the segment axis, is guided to a deflection roll arranged in the circle center of the segment.
  • the US 3 826 443 A discloses an apparatus for dispensing packaging tape from a rolled reel, comprising a reel for rotatably supporting the reel and a guide or aligner for aligning the traversed turns of the reel toward the centerline of the reel at a point well in advance of the point at which the tape actually leaves the reel.
  • the object is to provide a device and a method with which the provision and feeding of strip material can be optimized for at least partially automated systems and processes, in particular for processes for cutting, gluing and/or folding packaging material such as cardboard boxes.
  • Another object is to enable the provision and feeding of strip material on spools or rolls in such a way that the effort associated with setting up automated processes and with setup times when changing the spools or rolls can be minimized.
  • it is an object to be able to optimize the provision and feeding of strip material in as many applications and processes as possible, especially also for systems and processes that have already been run into operation, in the simplest and most flexible way possible.
  • an unwinding and feeding module for cross-wound band-shaped material, in particular for silicone band, in particular with a material width in the range of 15 to 35 mm, wherein the band-shaped material is wound on a cross-wound spool which has a spool width of at least 20 cm, in particular a spool width in the range of 20 to 50 cm, and which is rotatably mounted on the unwinding and feeding module about a spool axis, wherein the band-shaped material is guided by means of the unwinding and feeding module from the spool to a feed unit of the unwinding and feeding module, by means of which feed unit the unwinding and feeding module can be coupled in a coupling position to a system, in particular to a system for cutting, gluing and/or folding packaging material such as cardboard boxes.
  • a width compensation device is integrated between the cross-wound spool and the feed unit, which is configured to compensate for a width variation of the width position of the strip-shaped material on the movement path from the spool to the feed unit, wherein the feed unit specifies at least one predefined width position of the strip-shaped material in the coupling position and is designed and arranged such that the unwinding and feed module can be coupled to the system in a modular manner, in particular as a retrofit module to replace an integral feed unit of the system.
  • the unwinding and feed module can be coupled to the system in a modular manner, in particular as a retrofit module to replace an integral feed unit of the system.
  • Cross-wound coils do require a certain degree of expertise when winding the material, especially when the strip material is comparatively wide and also torsionally rigid or barely stretchable. Furthermore, comparatively wide coils pose the challenge that the strip material varies across a large width during unwinding, meaning that the movement path of the strip material varies much more than with a narrow roll of material. Cross-wound coils therefore increase the process complexity, especially in the case of fully automated processes.
  • cross-wound spools offer the significant advantage that the strip-like material can be wound onto the spool securely, even at very long lengths (especially seamless ones), and that the spool can be stored securely even at comparatively high unwinding speeds. Thanks to long material lengths, changeover times (roll/spool changes) can also be reduced.
  • the present invention makes it possible to benefit from the advantages of cross-wound spools while also largely overcoming the difficulties previously associated with them.
  • the unwinding and feeding module described here can, for example, also be retrofitted to existing systems and describes in detail specific embodiments of the invention, for example, a process-related expansion or optimization of existing manufacturing/production processes through the integration of an unwinding and feeding method according to embodiments of the invention.
  • the coupling position can also be freely selected in space or predetermined by a stationary position of the module.
  • the unwinding modules according to the invention for cross-wound band-shaped material for example for coated cover strips for linear splices on cardboard, can, for example, be retrofitted to process machines in at least partially automated production or, if necessary, used instead of an integrated feed unit. This allows automation systems, in particular, to be easily optimized for the folding/gluing of cardboard.
  • the unwinding module (unwinding and feeding module) described here can also be specifically designed for particularly heavy/large rolls or spools, in particular with a spool axis that is ergonomically arranged comparatively far down in the floor area.
  • the module can also be retrofitted to systems that have already been installed, so that the corresponding system can be easily set up to unwind and feed cross-wound web material.
  • the material transfer takes place at the coupling position preferably to a traction unit of the system.
  • the strip-shaped material is advantageously transferred after a comparatively short section or after a comparatively few
  • the material is guided directly to a pulling unit of the system via deflection points and with minimal friction. This also enables an advantageous unwinding and feeding process with respect to material stress.
  • the pulling unit can, for example, feed a bunker of the system.
  • the module enables handling of the strip-shaped material along the material flow path from the reel to the system's draw unit. This allows the system to be designed more slenderly, and an optimized module can be provided at the interface to the draw unit for more or less any system, depending on the reel design. This also allows for easy conversion of the system or process to a different material type.
  • the present invention also solves the problem of optimizing the material feed for cross-wound spools, particularly with regard to directional and load changes (making it more homogeneous).
  • the present invention primarily relates to the aspect of unwinding the cross-wound spools and the aspect of feeding the unwound strip-like material.
  • the modular aspect can be considered an additional advantage with regard to a standalone module (arrangable separately from the system), with the module being designed as a mobile module that is independent of the systems (independently displaceable and positioned and, for example, adjustable with regard to the height of the feed unit) and can be coupled to one of several systems as required.
  • the module can also be mounted on wheels on the floor, for example.
  • the coil is mounted around a single axis, allowing it to rotate with relatively low friction.
  • the coil axis is then an axis defined by the module.
  • a controllable drive of the module can be connected to this axis, particularly one configured for bidirectional rotation of the coil in response to sensor signals.
  • the coil can also be mounted on multiple rollers with the coil's outer surface. The coil then rotates around its own axis, which is defined by the coil itself.
  • a cross-wound reel is understood here to be a tape drum, a winding reel, or a similar unit designed to stably arrange tape-like material on the smallest possible diameter.
  • the present invention does not refer to thread-like material, but rather to material in the form of webs or strips or comparatively narrow films.
  • the cross-wound reels provide tape-like material, and the module is configured to handle tape-like material.
  • a width compensation device is understood in particular to be a device for compensating for width variations caused by the width of the cross-winding. Width compensation is carried out, in particular, gradually and continuously along a predefined movement path and/or in a cascade-like manner. For example, the permissible variation of the width position in the feed direction is further limited in at least three steps.
  • the width position facilitates material transfer to the standard devices for guiding strip-shaped material.
  • the specified width position also enables flexibility and variability in the use of the module.
  • the predefined width position can be identified by a width coordinate at least in one end section of the movement path, depending on the material width, possibly with a percentage tolerance in the single-digit percentage range of the material width.
  • the material width can also vary quite significantly for the different spools, e.g., as little as 5 mm, or as much as 30 to 35 mm.
  • the width position is preferably determined by means of the feed unit and by means of a comparatively stable, robust Defined by the support or frame component, especially when rigidly supported on the module housing.
  • an unwinding and feeding module for cross-wound band-shaped material with a material width of at least 20 mm wherein the band-shaped material is wound on a cross-wound spool which has a spool width of at least 20 cm and which is rotatably mounted about a spool axis on the unwinding and feeding module, wherein the band-shaped material is guided by means of the unwinding and feeding module from the spool to a feed unit of the unwinding and feeding module, by means of which the unwinding and feeding module can be coupled in a coupling position to a system, in particular to a system for cutting, gluing and/or folding packaging material such as cardboard boxes, wherein a width compensation device is integrated between the cross-wound spool and the feed unit, which is designed to compensate for a width variation of the width position of the band-shaped material on the movement path from the spool to the feed unit, wherein the feed unit has at least one predefined width position of the band
  • the feed unit also specifies a predefined depth position and/or a predefined height position of the strip-shaped material in the coupling position. This can also facilitate material transfer to the system or facilitate integration into the system.
  • the feed unit predetermines a predefined height position of the strip-shaped material in the coupling position, ranging from 1.5 m to 3.5 m, particularly between 2 m and 3 m. This also enables material transfer at an advantageous height position, particularly in such a way that, on the one hand, access to the system is not impaired, and, on the other hand, the feeding of the material within the system is facilitated.
  • the feed unit is arranged at a height position that is a factor of 2 to 10 higher than the height position of the coil or the coil axis.
  • the unwinding and feeding module has a length compensation device for compensating the length and tensile force in the strip-shaped material, which is integrated between the cross-wound spool and the feed unit.
  • a length compensation device for compensating the length and tensile force in the strip-shaped material, which is integrated between the cross-wound spool and the feed unit.
  • a/the length compensation device of the unwinding and feeding module together with the width compensation device, forms a combined compensation device that defines the movement path of the strip-shaped material from the reel to the feed unit.
  • the length compensation device comprises a/the dancer unit
  • the width compensation device comprises, for example, several series-connected deflection rollers with deflection roller webs of different widths that decrease in the conveying direction.
  • the strip-shaped material can preferably first be brought to a comparatively narrow movement path by means of the width compensation device, and the downstream length compensation device then provides length and tensile force compensation.
  • This series connection also simplifies the width compensation and can compensate for pulses and other inhomogeneities comparatively Dampen well in advance of the spool. This allows the spool to be unwound very evenly and with minimal damage to the material, even at high conveying speeds.
  • a length compensation device is understood in particular to be a device for compensating for time-dependent variations in material requirements and changes in tensile force within the material.
  • the length compensation device preferably also provides gravity-driven damping or buffering, in particular by means of floating counterweights.
  • the unwinding and feeding module has a plurality of deflection rollers to compensate for force and position variations of the strip-shaped material, in particular at least five, six, or seven deflection rollers fixedly installed on the module and/or at least two or three deflection rollers variably mounted in variable positions relative to the fixed deflection rollers.
  • the deflection rollers also facilitate convergence of the width position, particularly in a cascade-like arrangement.
  • the respective deflection roller can preferably also have edge regions with edges for laterally restricting the range of movement of the strip-shaped material.
  • the unwinding and feeding module comprises a dancer unit with at least one deflection roller mounted in a variable position relative to stationary deflection rollers of the unwinding and feeding module, over which dancer unit the strip-shaped material is guided.
  • the dancer unit also enables damping. Length, speed, and force variations during unwinding of the coil can be damped and compensated, in particular by means of balancing masses that act on deflection rollers mounted in a variable position (in particular, translationally displaceable in the vertical direction). Depending on the balancing weights used, the dancer unit can also ensure a desired pretension in the material.
  • At least one deflection roller with a deflection roller web with a web width greater than a factor of 3 or greater than a factor of 2 than the material width is provided on the movement path from the reel to the feed unit, in particular a A plurality of deflection rollers with web widths that decrease in the feed direction. This also facilitates a cascade-like convergence of the width position to a predefined position or to a predefinable narrow width range.
  • the strip-shaped material is guided upwards and downwards between several deflection points on the movement path from the reel to the feed unit, in particular at least approximately in a vertical direction, particularly at deflection angles in the range of 140 to 180°, with the movement path or range of movement of the strip-shaped material being further limited in the width direction at successive deflection points.
  • the strip-like material can initially be guided between several deflection points in a first vertical section, and then guided to a second vertical section above the first vertical section, in particular to a height position greater than a factor of 2 of the height of the first vertical section.
  • This arrangement also has structural advantages.
  • the strip-shaped material is guided on the movement path from the spool to the feed unit by means of a width and/or length compensation device in a height range that extends over a height of at least a factor of 1 to 2 of the diameter of the spool 1, in particular at least three or four times up and down, before the strip-shaped material is forwarded to the feed unit.
  • a width and/or length compensation device in a height range that extends over a height of at least a factor of 1 to 2 of the diameter of the spool 1, in particular at least three or four times up and down, before the strip-shaped material is forwarded to the feed unit.
  • the unwinding and feeding module can be coupled to the system in a modular manner such that the unwinding and feeding module can be modularly integrated into a/the system can be integrated, particularly as a replacement for an existing feed unit in the system.
  • the possibility of modular integration can be created, for example, by means of one or more couplings for stationary arrangement of the module in a predefined coupling point on the system.
  • the couplings are provided, for example, on a side surface on the frame of the module and/or on the underside of the module.
  • the module as such can be viewed as an integrable component of the system.
  • the module is mobile, so that it can, for example, be used in different systems depending on the situation. The mobility aspect is described in more detail below.
  • the coil provides the strip-like material with a seamless length of at least 1,000 m, preferably at least 3,000 m, more preferably at least 5,000 m, in particular up to 25,000 m. Such lengths favor long replacement intervals.
  • the coil can remain arranged relatively close to the floor in the module.
  • the spool axis is arranged at a height of less than 1.5 m, in particular less than 1.2 m or less than 1 m.
  • the spool axis can be arranged even lower, e.g., at a height in the range of 0.5 to 0.7 m. This also facilitates spool changes and provides good stability for the module (low center of gravity), i.e., good stability regardless of the current material supply on the spool.
  • the coil axis is/can be arranged at a height between 20 and 100 cm, in particular between 50 and 70 cm, above the ground. This comparatively low height also facilitates handling.
  • the unwinding and feeding module provides a path for the strip-shaped material on the movement path between the reel and the feed unit, which is at least a factor of 3 longer than the length of the direct path between the reel and the feed unit, in particular in the range of a factor of 5 to 10. It has been shown that this extension, in a comparatively small installation space, has a beneficial effect on compensating forces and position changes.
  • the travel distance can be extended, in particular, using (fixed and/or variable) deflection points and pulleys.
  • the spool width is at least a factor of 5, or at least a factor of 7, or at least a factor of 10 to 50 times larger than the width of the strip material.
  • the spool width can be up to a factor of 100 larger, e.g., with a comparatively narrow material (approx. 5 mm) and a comparatively wide spool (approx. 500 mm). This also allows for a large material supply to be provided in a stable and robust manner.
  • the spool does not become particularly large in diameter, but remains relatively compact even with a large material supply and can be easily unwound.
  • the width compensation device is configured to limit the movement path of the strip-shaped material from a width variation of at least 10 cm, or at least 20 cm, or at least 30 cm, or up to 50 cm, to a width variation of a maximum of 5 cm, or a maximum of 4 cm, or a maximum of 3 cm, or up to 1 cm, in particular in a cascade-like manner at successive deflection points.
  • This also facilitates handling of the material along the path between the spool and the material transfer point (coupling point).
  • the width variation can be limited even more, particularly in the coupling position to a percentage of less than 50% or even less than 30% of the material width, or, for larger material widths, possibly even to a single-digit percentage.
  • the width position at the feed unit is limited to a width variation over a width of 4 to 4.5 cm, i.e., to approximately 30 to 50% (1 to 1.5 cm of 3 cm).
  • the unwinding and feeding module is mobile.
  • the unwinding and feeding module can, for example, be mounted on wheels and be configured for mobile relocation on a subsurface or hall floor.
  • a mobile module is particularly self-sufficient and can be easily coupled to various systems as needed.
  • the feed of the strip-shaped material is passively driven by traction, in that the reel can be unwound in response to a traction force exerted externally on the strip-shaped material at the feed unit, particularly when the unwinding and feeding module is motor-inactive.
  • This also allows the module's degree of autonomy to be further increased.
  • the module can be used largely independently of the respective traction drive design of the system, in particular thanks to a length/width compensation device.
  • At least one of the aforementioned objects is also achieved by a system for the at least partially automated production of packaging material, in particular a system for cutting, gluing, and/or folding cardboard boxes, wherein the system comprises at least one unwinding and feeding module as described above.
  • the unwinding and feeding module is coupled as a mobile module to a traction unit of the system acting on the strip-shaped material.
  • At least one of the aforementioned objects is, as mentioned, also achieved by a method according to the corresponding independent method claim, namely by a method according to claim 9 for unwinding and feeding cross-wound band-shaped material by means of an unwinding and feeding module from a cross-wound spool to/in a system, in particular to/in a system for cutting, gluing and/or folding packaging material such as cardboard boxes, wherein the band-shaped material is wound over a spool width which is significantly greater than the material width (in particular at least a factor of 5 or at least a factor of 7 or at least a factor of 10 greater), wherein the spool is mounted rotatably about a spool axis, wherein the band-shaped material is guided from the spool to a feed unit of the unwinding and feeding module, wherein the feed unit ensures a coupling (transfer of the band-shaped material) to the system in a coupling position, wherein on a/the movement path of the band-shaped
  • a predefined depth position and/or a predefined height position of the strip-shaped material is/are also specified in the coupling position. This can further facilitate the material transfer in the coupling position.
  • a/the predefined height position of the band-shaped material in the coupling position is specified in the range of a height of 1.5m to 3.5m, in particular in the range of 2m to 3m.
  • length compensation and tensile force compensation are/are further performed on the movement path in the unwinding and feeding module, in particular at least partially by means of a dancer unit over which the strip-shaped material is guided. This can further optimize the handling of the material within the module and also make the module particularly self-sufficient and independent of the method of exerting the tensile force on the material.
  • force and position variations along the movement path from the reel to the feed unit are compensated for by means of a plurality of deflection pulleys, in particular by means of at least five, six, or seven deflection pulleys fixedly installed on the module and/or by means of at least two or three deflection pulleys mounted in variable positions relative to the fixed deflection pulleys.
  • deflection pulleys also enable a cascade-like convergence of the width position at predefined points along the movement path, thus promoting a space-saving, compact arrangement and functional integration.
  • tension and position variations of the strip-shaped material are compensated by means of a dancer unit, which provides at least one deflection roller mounted in a variable position relative to stationary deflection rollers of the unwinding and feeding module.
  • a dancer unit which provides at least one deflection roller mounted in a variable position relative to stationary deflection rollers of the unwinding and feeding module.
  • the movement path of the strip-shaped material from the spool to the feed unit is limited from a width variation of at least 10 cm, or at least 20 cm, or at least 30 cm, to a width variation of a maximum of 5 cm, or a maximum of 4 cm, or a maximum of 3 cm. This also facilitates material transfer in the coupling position.
  • the strip material is fed to the system passively by traction, with the reel being unwound in response to a tensile force exerted externally on the strip material at the feed unit, particularly when the unwinding and feeding module is motor-inactive.
  • This can further facilitate feeding, particularly in combination with a dancer unit for tension compensation.
  • At least one of the aforementioned objects is, as mentioned, also achieved by using an unwinding and feeding module according to claim 15 for cross-wound band-shaped material, which is wound on a cross-wound spool over a spool width that is significantly greater than the material width (in particular at least a factor of 5 or at least a factor of 7 or at least a factor of 10 greater), for rotatably supporting the spool about a spool axis and for guiding the band-shaped material to be unwound from the spool to a feed unit of the unwinding and feeding module, wherein the unwinding and feeding module is modularly coupled to a system by means of the feed unit in a coupling position and in a freely selectable standing position of the unwinding and feeding module, in particular to/into a system for cutting, gluing and/or folding packaging material such as cardboard boxes, wherein on a/the movement path of the band-shaped material from the cross-wound spool to the feed unit,
  • the width compensation can be functionally separated from a length/force compensation.
  • the length/force compensation is preferably arranged between the feed unit and the width compensation, i.e. downstream of the width compensation.
  • a cross-wound spool 1 provides band-shaped material 2, for example, silicone tape.
  • the spool 1 is mounted in a mobile unwinding and feeding module 10 around a spool axis 11, optionally with a free end 11.1 of the spool axis.
  • the housing or frame 12 surrounds the reel and, by means of one or more support units 12.1 (particularly height-adjustable or height-adaptable), provides support for a feed unit 16 in a desired coupling position Pxyz for transferring the strip-shaped material 2 to a system 20.
  • a boom 12.2 projects laterally beyond the housing.
  • One or more housing doors, flaps, or partitions 12.3 can protect the reel 1 and the material 2 from environmental influences.
  • the strip-shaped material 2 is guided on the movement path Mxz from the spool 1 to the feed unit 16 in a deflection unit 13 over several deflection rollers or deflection points 14, namely both over stationary deflection rollers 14a and over dancing or position-variable deflection rollers 14b.
  • Individual or all deflection rollers can each have a deflection roller web 14.1 for defining a roll width y14, y14.1 and a width variation, whereby the respective deflection roller can be limited for roll edges 14.2.
  • a dancer unit 15 is also provided, which can optionally be configured as part of the deflection unit 13.
  • the dancer unit 15 comprises dancing deflection rollers 14b, which can ensure a predefinable tensile force in the belt 2 against the gravitational force depending on their own weight and any provided balancing masses.
  • the belt 2 can be deflected by a deflection angle ⁇ , which can be predefined, in particular, via the relative arrangement of the rollers 14.
  • the module 10 is preferably mounted on wheels 17 and can be moved and positioned independently of the system 20, in particular in freely selectable positions on a floor of a machine hall.
  • the module 10 provides two functions on the movement path Mxz from the reel 1 to the feed unit 16, optionally separately from one another, but also optionally in combination with one another.
  • a width compensation device 18 comprises, in particular, deflection roller webs 14.1 arranged in a cascade-like manner with decreasing width y14.1, and a length compensation device 19 enables length and tensile force compensation, in particular also at least partially by means of the dancer unit 15.
  • the system 20 can be designed, in particular, for cutting, gluing, and folding cardboard boxes or similar packaging materials.
  • the system 20 can be designed as a fully automated processing system.
  • a pulling unit 23 for pulling the strip-shaped material 2 can be coupled to the module 10 at the coupling point Pxyz, so that the material 2 can be unwound from the spool 1 by exerting a pulling force and drawn into the system 20, for example, into a hopper 21.
  • the hopper provides an additional material buffer on the system side, for example, even when the system is temporarily shut down for a few seconds or minutes.
  • the z-coordinate of the coupling point Pxyz can be individually optimized for a respective system 20 via the height z16 of the feed unit 16, in particular via the length of the supports 12.1.
  • the system 20 can provide several deflection rollers or deflection points 24 for guiding the belt 2, in particular for defining a movement path up to a contact point with cardboard (gluing or gluing process).
  • a plane of movement Exz of the belt-shaped material 2 corresponds at least approximately to the direction of the tensile force.
  • the coordinates x, y, z denote the depth, width, and height directions.
  • the present invention makes it possible in a simple manner to gradually converge or limit the movement path of the material 2 from a comparatively large width y1 of the reel 1 (winding width), in particular a reel width which is very large in relation to the width y2 of the strip-shaped material 2, via deflection rollers 14 with different (in particular cascade-decreasing) widths y14, y14.1 to a width range which is advantageous for the handling of the material 2 and for the transfer of the material 2 to the system 10.
  • module 10 can be passive with regard to the unwinding process.
  • spool 1 does not need to be driven.
  • a drive 11.2 provided on axis 11 can also act on spool 1, particularly to minimize the tensile forces acting on strip 2. This allows, for example, a comparatively large material buffer to be provided in a gentle manner, even with particularly large spools and particularly thin material.
  • the drive 11.2 can be controlled via a control device 30, in particular depending on tensile force values or position data from sensors coupled to the belt 2. This enables, for example, the unwinding process of the coil to be initiated in response to a tensile force F1 exerted by a system 20 on the belt 2 or the module 10.
  • Fig. 1 illustrates the guidance of material 2 from spool 1 to the transfer point at the feed unit 16. Before the material 2 is guided vertically upward to the transfer point, it meanders through a compensation zone in which a width position limitation and a length/tensile force compensation take place.
  • This buffer zone can be individually designed, particularly with regard to the size or mass of the spool, the tensile strength of the material 2, and the tensile force F1 exerted by the system 20.
  • the dancer unit 15 is visible.
  • the dancer unit 15 comprises, for example, two upper stationary deflection rollers 14a and three lower dancing deflection rollers 14b.
  • the strip 2 is guided around nine or ten deflection rollers 14 in this embodiment. This also extends the distance available for compensation, for example by a factor of 3 to 5, depending on the arrangement of the dancer unit.
  • the dancer unit 15 preferably comprises a guide 15.1 for the movable deflection rollers 14b, in particular a linear guide, as well as at least one position sensor 15.2 provided on the guide, in particular measuring linearly inductively.
  • position data of the Dancer unit 15 can be determined and transmitted to a/the control unit 30 (in particular wirelessly), so that the control unit 30 can, for example, control and regulate a drive 11.2 for positioning or rotating the coil 1 depending on a deflection (position change) in the dancer unit. This provides further optimization potential, especially for particularly large, heavy coils 1.
  • Fig. 2 also illustrates a height range ⁇ z for width and/or length compensation.
  • the height range ⁇ z is enclosed by the housing 12, and the deflection pulleys are all arranged within the height range.
  • the height of the height range ⁇ z is approximately a factor of 1.5 to 2 of the diameter of the coil 1.
  • the guide 15.1 of the dancer unit 15 can optionally extend at least approximately over the entire height range ⁇ z. This also provides a large buffer in a comparatively compact installation space.
  • the coil axis 11 is supported on one side.
  • the coil axis 11 can be supported at both ends (no free end 11.1).
  • Fig. 3 the width ratio of coil width y1 to material width y2 is illustrated.
  • Fig. 4 The web width y14.1 is illustrated.
  • the coil width y1 is approximately a factor of 3 of the web width y14.1
  • the web 14.1 of the first deflection roller is arranged at least approximately centrally relative to the coil width y1.
  • Fig. 4 It is evident that the material 2, although comparatively narrow, cannot be twisted or turned, but must be handled in its own plane of extension due to its web-like design (compare the arrangement in the bunker 21 in the Fig. 6, 7 ).
  • Fig. 5 , 6 and 7 The systems shown relate, for example, to the automated processing of packaging material, especially cardboard boxes. The process can include folding, cutting, gluing, or the like.
  • Fig. 5 An exemplary arrangement of a module 10 coupled to a system 20 is shown.
  • Fig. 6 a bunker 21 of a plant 20 is shown in detail according to a further application.
  • Fig. 7 shows this arrangement from the opposite perspective.
  • Sensors can be provided in the individual pulleys or at other locations. Depending on the process design, position sensors can be arranged along the movement path of the strip-shaped material or on the moving components.

Landscapes

  • Replacement Of Web Rolls (AREA)

Claims (15)

  1. Module de déroulement et d'alimentation (10) pour matériau en bande enroulé croisé (2), à savoir avec une largeur de matériau comprise entre 15 et 35 mm, le matériau en bande étant enroulé sur une bobine enroulée croisée (1) qui présente une largeur de bobine (y1) d'au moins 20 cm, et qui est montée de manière rotative autour d'un axe de bobine (11) sur le module de déroulement et d'alimentation, le matériau en bande étant guidé au moyen du module de déroulement et d'alimentation depuis la bobine jusqu'à une unité d'alimentation (16) du module de déroulement et d'alimentation, au moyen de laquelle le module de déroulement et d'alimentation peut être couplé dans une position de couplage (Pxyz) à une chaîne de fabrication (20),
    caractérisé en ce qu'un dispositif de compensation de largeur (18) est intégré entre la bobine enroulée croisée (1) et l'unité d'alimentation (16), qui est conçu pour compenser une variation de largeur de la position en largeur du matériau en bande (2) au moins approximativement sur toute la largeur de la bobine (y1) sur le trajet de déplacement (Mxz) entre la bobine (1) et l'unité d'alimentation (16), l'unité d'alimentation prédéfinissant au moins une position en largeur du matériau en bande dans la position de couplage et étant arrangée et agencée de telle sorte que le module de déroulement et d'alimentation (10) peut être couplé de manière modulaire à la chaîne de fabrication (20), le module de déroulement et d'alimentation étant mobile et pouvant être déplacé et positionné indépendamment de la chaîne de fabrication.
  2. Module de déroulement et d'alimentation (10) selon la revendication 1, le module de déroulement et d'alimentation pouvant être couplé de manière modulaire à la chaîne de fabrication en tant que module de reéquipement pour remplacer une unité d'alimentation intégrée de la chaîne de fabrication, la largeur de la bobine étant au moins 5 fois, au moins 7 fois ou au moins 10 fois supérieure à la largeur du matériau en bande.
  3. Module de déroulement et d'alimentation (10) selon la revendication 1 ou 2, l'unité d'alimentation (16) prédéfinissant en outre une position en profondeur et/ou une position en hauteur prédéfinie du matériau en bande (2) dans la position de couplage (Pxyz) ; ou dans lequel l'unité d'alimentation prédéfinit une position en hauteur prédéfinie du matériau en bande dans la position de couplage dans une plage de hauteur comprise entre 1,5 m et 3,5 m.
  4. Module de déroulement et d'alimentation (10) selon l'une des revendications précédentes, le module de déroulement et d'alimentation comportant un dispositif de compensation de longueur (19) pour compenser la longueur et la force de traction dans le matériau en bande (2), lequel est intégré entre la bobine enroulée croisée (1) et l'unité d'alimentation (16) ; ou dans lequel un/le dispositif de compensation de longueur (19) du module de déroulement et d'alimentation (10) forme, conjointement avec le dispositif de compensation de largeur (18), un dispositif de compensation combiné définissant le trajet de déplacement (Mxz) du matériau en bande depuis la bobine jusqu'à l'unité d'alimentation ; ou dans lequel le module de déroulement et d'alimentation comporte, pour compenser les variations de force et de position du matériau en bande (2), une pluralité de rouleaux de renvoi (14, 14a, 14b), en particulier au moins cinq, six ou sept rouleaux de renvoi (14a) installés de manière fixe sur le module ou au moins deux ou trois rouleaux de renvoi (14b) montés de manière variable en positions relatives variables par rapport aux rouleaux de renvoi fixes ; ou dans lequel le module de déroulement et d'alimentation comporte une unité danseuse (15) avec au moins un rouleau de renvoi (14b) monté de manière variable en position relative variable par rapport aux rouleaux de renvoi fixes du module de déroulement et d'alimentation, le matériau en bande étant guidé par l'intermédiaire de l'unité danseuse ; ou dans lequel, sur le trajet de déplacement entre la bobine (1) et l'unité d'alimentation (16), il est prévu au moins un rouleau de renvoi (14) avec une traverse de rouleau de renvoi (14.1) dont la largeur (y14.1) est supérieure à un facteur 3 ou à un facteur 2 par rapport à la largeur (y2) du matériau, en particulier une pluralité de rouleaux de renvoi dont la largeur de traverse diminue dans le sens d'alimentation.
  5. Module de déroulement et d'alimentation (10) selon l'une des revendications précédentes, dans lequel le matériau en bande (2) est guidé vers le haut et vers le bas sur le trajet de déplacement entre la bobine (1) et l'unité d'alimentation (16) entre plusieurs points de renvoi, en particulier avec des angles de renvoi compris entre 140 et 180°, le trajet de déplacement ou la zone de déplacement du matériau en bande étant respectivement limité(e) davantage dans le sens de la largeur au niveau des points de renvoi successifs ; ou le matériau en bande (2) étant guidé sur le trajet de déplacement entre la bobine (1) et l'unité d'alimentation (16) d'abord entre plusieurs points de renvoi dans une première section en hauteur, puis dans une deuxième section de hauteur au-dessus de la première section de hauteur ; ou dans lequel le matériau en bande (2) est guidé sur le trajet de déplacement depuis la bobine (1) jusqu'à l'unité d'alimentation (16) au moyen d'un/du dispositif de compensation de largeur et/ou de longueur (18, 19) dans une zone de hauteur (Δz) qui s'étend sur une hauteur d'au moins un facteur 1 à 2 du diamètre de la bobine (1), en amont d'un procès pour transmettre le matériau en bande (2) à l'unité d'alimentation.
  6. Module de déroulement et d'alimentation (10) selon l'une des revendications précédentes, dans lequel le module de déroulement et d'alimentation est monté sur des roues (17) et est conçu pour être déplacé de manière mobile sur un sol ou sur le sol d'un hall ; ou dans lequel l'alimentation du matériau en bande (2) est entraînée passivement par une force de traction, la bobine (1) pouvant être déroulée en réaction à une force de traction exercée de l'extérieur sur le matériau en bande au niveau de l'unité d'alimentation (16), en particulier lorsque le module de déroulement et d'alimentation est inactif sur le plan moteur.
  7. Module de déroulement et d'alimentation (10) selon l'une des revendications précédentes, la bobine (1) fournissant le matériau en bande (2) avec une longueur sans soudure d'au moins 1 000 m, de préférence d'au moins 3 000 m, de préférence d'au moins 5 000 m ; ou dans lequel l'axe de la bobine est disposé à une hauteur inférieure à 1,5 m ; ou dans lequel l'axe de la bobine est disposé/peut être disposé à une hauteur comprise entre 20 et 100 cm au-dessus du sol ; ou dans lequel le module de déroulement et d'alimentation prévoit, sur le trajet de déplacement entre la bobine et l'unité d'alimentation, une distance à parcourir pour le matériau en bande qui est au moins trois fois supérieure à la longueur de la liaison directe entre la bobine et l'unité d'alimentation ; ou dans lequel la largeur de la bobine (y1) est au moins cinq fois, au moins sept fois ou au moins dix à cinquante fois supérieure à la largeur (y2) du matériau en bande ; ou dans lequel le dispositif de compensation de largeur (18) est conçu de manière à limiter le trajet de déplacement du matériau en forme de bande d'une variation de largeur d'au moins 10 cm ou d'au moins 20 cm ou d'au moins 30 cm ou jusqu'à 50 cm à une variation de largeur maximale de 5 cm ou maximale de 4 cm ou maximale de 3 cm ou jusqu'à 1 cm, en particulier en cascade au niveau de points de renvoi montés en série.
  8. Chaîne de fabrication (20) pour la fabrication au moins partiellement automatisée de matériaux d'emballage, en particulier chaîne de fabrication pour découper, coller et/ou plier des cartons, la chaîne de fabrication comprenant au moins un module de déroulement et d'alimentation (10) selon l'une des revendications précédentes, le module de déroulement et d'alimentation (10) étant couplé, en tant que module mobile, à une unité de traction (23) de la chaîne de fabrication (20) agissant sur le matériau en bande.
  9. Procédé pour dérouler et alimenter un matériau en bande (2) enroulé croisé, d'une largeur du matériau (y2) comprise entre 15 et 35 mm, à l'aide d'un module de déroulement et d'alimentation (10) depuis une bobine (1) enroulée croisée vers/dans une chaîne de fabrication (20), le matériau en bande étant enroulé sur une largeur de bobine (y1) d'au moins 20 cm, qui est nettement supérieure à la largeur du matériau (y2), la bobine étant montée de manière rotative autour d'un axe de bobine (11), le matériau en bande étant guidé de la bobine jusqu'à une unité d'alimentation (16) du module de déroulement et d'alimentation, l'unité d'alimentation effectuant un couplage avec la chaîne de fabrication dans une position de couplage (Pxyz), dans laquelle une compensation de largeur est effectuée sur un/le trajet de déplacement (Mxz) du matériau en bande depuis la bobine enroulée croisée jusqu'à l'unité d'alimentation, dans laquelle une variation de largeur de la position en largeur du matériau en bande (2) est compensée au moins approximativement sur toute la largeur de la bobine, à savoir de manière progressive et continue ou en cascade au niveau de points de renvoi (24) montés en série, et jusqu'à l'unité d'alimentation, pour converger la variation de largeur vers une position de largeur prédéfinie du matériau en bande dans la position de couplage, le procédé étant effectué au moyen d'un module mobile de déroulement et d'alimentation qui peut être déplacé et positionné indépendamment de la chaîne de fabrication.
  10. Procédé selon la revendication précédente, dans lequel une position en profondeur prédéfinie et/ou une position en hauteur prédéfinie du matériau en bande (2) dans la position de couplage (Pxyz) est prédéfinie, en outre ; ou dans lequel une/la position en hauteur prédéfinie du matériau en bande dans la position de couplage est prédéfinie dans une plage de hauteur comprise entre 1,5 m et 3,5 m.
  11. Procédé selon l'une des revendications précédentes, dans lequel une compensation de longueur et une compensation de force de traction sont en outre effectuées sur le trajet de déplacement (Mxz) dans le module de déroulement et d'alimentation (10), en particulier au moins en partie au moyen d'une unité danseuse (15) sur laquelle le matériau en bande est guidé.
  12. Procédé selon l'une des revendications précédentes, dans lequel une compensation des variations de force et de position sur le trajet de déplacement entre la bobine (1) et l'unité d'alimentation (16) est effectuée au moyen d'une pluralité de rouleaux de renvoi (14), en particulier au moyen d'au moins cinq six ou sept rouleaux de renvoi (14a) installés de manière fixe sur le module ou au moyen d'au moins deux ou trois rouleaux de renvoi (14b) montés de manière variable en position relative par rapport aux rouleaux de renvoi fixes ; ou dans lequel une compensation des variations de force de traction et de position du matériau en bande (2) est effectuée au moyen d'une unité danseuse (15) qui prévoit à cet effet au moins un rouleau de renvoi (14b) monté de manière variable en position relative par rapport aux rouleaux de renvoi fixes du module de déroulement et d'alimentation.
  13. Procédé selon l'une des revendications précédentes, dans lequel le trajet de déplacement (Mxz) du matériau en bande (2) depuis la bobine (1) jusqu'à l'unité d'alimentation (16) est limité par une variation de largeur d'au moins 10 cm ou d'au moins 20 cm ou d'au moins 30 cm à une variation de largeur maximale de 5 cm ou maximale de 4 cm ou maximale de 3 cm.
  14. Procédé selon l'une des revendications précédentes, dans lequel l'alimentation du matériau en bande (2) vers la chaîne de fabrication (20) est effectuée de manière passive par traction, en déroulant la bobine en réaction à une force de traction exercée de l'extérieur sur le matériau en bande au niveau de l'unité d'alimentation, en particulier lorsque le module de déroulement et d'alimentation est inactif sur le plan moteur.
  15. Utilisation d'un module de déroulement et d'alimentation (10) pour un matériau en bande enroulé croisé (2) d'une largeur du matériau (y2) comprise entre 15 et 35 mm, qui est enroulé sur une bobine enroulée croisée (1) sur une largeur de bobine (y1) d'au moins 20 cm, qui est nettement supérieure à la largeur du matériau (y2), pour le montage rotatif de la bobine autour d'un axe de bobine (11) et pour guider le matériau en bande à dérouler depuis la bobine jusqu'à une unité d'alimentation du module de déroulement et d'alimentation, le module de déroulement et d'alimentation (10) étant couplé de manière modulaire au moyen de l'unité d'alimentation (16) à une chaîne de fabrication (20) dans une position de couplage (Pxyz) et dans une position de montage fixe librement sélectionnable du module de déroulement et d'alimentation, en particulier à/dans une chaîne de fabrication destinée à la découpe, au collage et/ou au pliage de matériaux d'emballage tels que par exemple des cartons, dans lequel une compensation de largeur est effectuée sur un/le trajet de déplacement (Mxz) du matériau en bande (2) depuis la bobine enroulée croisée (1) jusqu'à l'unité d'alimentation (16), comprenant une variation de largeur de la position en largeur du matériau en bande (2) étant compensée au moins approximativement sur toute la largeur de la bobine (y1), à savoir de manière progressive et continue ou en cascade au niveau de points de renvoi (24) montés en série, et jusqu'à l'unité d'alimentation (16), la variation de largeur étant convergé vers une position de largeur prédéfinie du matériau en bande dans la position de couplage (Pxyz), le module de déroulement et d'alimentation étant mobile et pouvant être déplacé et positionné indépendamment de la chaîne de fabrication, en particulier utilisation d'un module de déroulement et d'alimentation (10) selon l'une des revendications 1 à 7.
EP21401001.9A 2020-01-16 2021-01-12 Dispositif et procédé de déroulement et d'alimentation de matière enroulée croisée, ainsi qu'utilisation Active EP3851401B1 (fr)

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DE102020101003.6A DE102020101003B4 (de) 2020-01-16 2020-01-16 Vorrichtung und Verfahren zum Abwickeln und Zuführen von kreuzgewickeltem Material sowie Verwendung
DE202020100225.2U DE202020100225U1 (de) 2020-01-16 2020-01-16 Vorrichtung zum Abwickeln und Zuführen von kreuzgewickeltem Material sowie Verwendung

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JP2003112376A (ja) * 2001-10-04 2003-04-15 Nippon Paper Industries Co Ltd 紙容器用縦シールテープ繰り出し機構の縦シールテープ用ボビン取付装置
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US2155769A (en) * 1936-08-04 1939-04-25 Signode Steel Strapping Co Reel
WO2006101750A2 (fr) * 2005-03-23 2006-09-28 Lowe's Companies, Inc. Appareil et procede de transport et de distribution d'une bande
US20190284015A1 (en) * 2018-03-19 2019-09-19 Hsiu-Man Yu Chen Strap dispenser having a hanging structure
US20190367066A1 (en) * 2018-06-05 2019-12-05 Encore Packaging Llc Tool Cart

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