EP1730061B1 - Procede et dispositif de traitement d'une bande de pellicule - Google Patents

Procede et dispositif de traitement d'une bande de pellicule Download PDF

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Publication number
EP1730061B1
EP1730061B1 EP05701334A EP05701334A EP1730061B1 EP 1730061 B1 EP1730061 B1 EP 1730061B1 EP 05701334 A EP05701334 A EP 05701334A EP 05701334 A EP05701334 A EP 05701334A EP 1730061 B1 EP1730061 B1 EP 1730061B1
Authority
EP
European Patent Office
Prior art keywords
film web
film
cutting
gripper
marginal strip
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.)
Not-in-force
Application number
EP05701334A
Other languages
German (de)
English (en)
Other versions
EP1730061A1 (fr
Inventor
Peter Wellenhofer
Heinz Lind
Jürgen BREIL
Maximilian Standl
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.)
Brueckner Maschinenbau GmbH and Co KG
Original Assignee
Brueckner Maschinenbau GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brueckner Maschinenbau GmbH and Co KG filed Critical Brueckner Maschinenbau GmbH and Co KG
Publication of EP1730061A1 publication Critical patent/EP1730061A1/fr
Application granted granted Critical
Publication of EP1730061B1 publication Critical patent/EP1730061B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/022—Registering, tensioning, smoothing or guiding webs transversely by tentering devices
    • B65H23/025—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • 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
    • B65H2301/414—Winding
    • B65H2301/41419—Starting winding process
    • B65H2301/41427—Starting winding process involving arrangements for securing leading edge to core, e.g. adhesive tape
    • 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
    • B65H2301/4187—Relative movement of core or web roll in respect of mandrel
    • B65H2301/4189—Cutting
    • B65H2301/41898—Cutting threading tail and leading it to new core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B65H2301/52202—Threading web into machine around several subsequent rollers (e.g. calendar)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly
    • Y10T156/1067—Continuous longitudinal slitting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/108—Flash, trim or excess removal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0405—With preparatory or simultaneous ancillary treatment of work
    • Y10T83/0419—By distorting within elastic limit
    • Y10T83/0424—By stretching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • Y10T83/0467—By separating products from each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/323—With means to stretch work temporarily

Definitions

  • the invention relates to a method and a device for processing a film web.
  • the invention is based on a uniaxial or biaxial film stretching plant, as known from the prior art (for example, from WO96 / 29190 ) is known.
  • the correspondingly produced film is known to be passed through various process and test stations of a roll arrangement (so-called pull-off stand, pull roll) and wound up on a winder.
  • a roll arrangement so-called pull-off stand, pull roll
  • the film web is drawn in withdrawal stand and winder of film stretching lines by means of a so-called.
  • Open Einziehspaltes manually by an operator. In this case, the film course to follow with alternately looped rollers, and it must be encompassed parts of machine frames.
  • the retraction speed is limited due to the physiological properties of the operator, and on the other hand, the cost of the complex Construction with an open Einziehspalt (so-called C-pillar construction) significantly increased.
  • the above-mentioned C-pillar construction relates to a construction principle in which the rollers are mutually supported at the top and bottom.
  • a corresponding plant with a so-called C-pillar construction according to the prior art is shown in a schematic cross-sectional view in FIG FIG. 18B reproduced with the C-pillars 2b on one side of the roller assembly.
  • an accessible longitudinal path for an operator is created on this side of the C-pillars, in order to over this the leading beginning of a film over a in FIG. 18B to be introduced in the section shown in the slot slot E in the arrangement.
  • This feed slot E is formed in a safety grid, which is additionally necessary to protect the operator from the mechanically moving components, in particular the rotating rollers.
  • the one side of the so-called operator side threaded on the trigger stand film is conveyed in full width through the trigger stand and then wound on an empty winding tube or a winding roll with waste film in the so-called scrap position of the winding device. Only when the film is pulled wide wrinkle-free and meets the appropriate quality criteria, the final winding takes place on a specific intended for further processing winding roll.
  • the handover procedure from the broad stretching machine to the trigger stand and from the trigger stand to the winder is a speed-limiting and above all safety-relevant element during the starting process.
  • Solutions are known from the prior art, which are partly based on other principles of solution or even the processing of other materials such as paper webs.
  • the publication EP 0 425 741 A1 describes a paper feeding device in which the paper to be supplied is introduced into a roller assembly via an adapter made of synthetic material.
  • the document DE 21 54 119 relates to a method and apparatus for treating film webs, wherein a film strip is cut, which is transported via a pneumatic conveyor to a winding device.
  • the publication EP 0 427 234 B1 shows an apparatus and method for threading a film into a biaxial Stretching device, in which edge strips are cut, which are transferred to grippers.
  • a generic method for processing a film web, which expires from a stretching system and an associated generic device for processing a discontinued from a stretching machine film web is from the DE 197 07 472 A1 known.
  • the film web is cut in the longitudinal direction in order to remove an edge strip from the film web.
  • the reduced to the edge strip in width the main film web is then transferred to a movable gripping and transport device.
  • a leading portion of the film web can be cut off, if necessary.
  • the separation can be done by cutting and / or additionally by tearing.
  • the gripping and transporting means is moved along one side of the plant to thread the film web into a roller assembly.
  • This gripping and transport device can be moved along one side of the winding device with at least one winding roll until the release of the end position, in which end position the gripping and transporting device is opened to release the film web.
  • the device is constructed so that the above-mentioned method steps can be performed accordingly.
  • the object of the invention is to provide, starting from the generic preliminary publication, a method and an apparatus for processing a film web, through which the downtime of an entire stretching system during start-up and, for example, after a film break occurred are shortened. It is another object of the invention to provide a device for producing a wound on a roll of film web, which is constructed simpler compared to the prior art.
  • the invention comprises several advantages resulting measures that lead in particular in their interaction to decisive improvements.
  • the film web is first cut according to the invention in the longitudinal direction.
  • an edge strip and a film web which is reduced by the edge strip and which is referred to below as the main film web, are formed.
  • the edge strip preferably has a width of about 5 to 10% of the total width of the film web, in particular at least 100 to 200 mm.
  • the edge strip and the main film web are separated at certain times from their respective precursor web in the transverse direction. The separation process of the respective precursor webs from the subsequent film web can begin even before the transfer of the marginal strip to the gripping and transport device and be completed after the transfer.
  • a particular advantage of the method according to the invention results from the fact that the cutting process carried out longitudinally in the film web to produce a marginal strip is carried out in a section of the discharge area of the stretching plant in which the clips belonging to the stretching plant still hold the film, ie the clips still closed or just opened.
  • the longitudinal cutting of the edge strip and / or the transverse cutting of the main film web is preferably carried out automatically with a movable cutting device. Alternatively, this can also be done manually or semi-manually. In practice, this may not have to be cross-cut across the full working width of the main film web. Often it is sufficient that the main film web is cut only over a partial width, since the film under train then tears in the transverse direction.
  • the cutting device can perform both the longitudinal section of the edge strip, and the cross section of the main film web
  • the cutting device is preferably rotatable about a vertically oriented pivot axis.
  • the cutting tool preferably comprises a rotary blade, which is secured by e.g. an integrated drive can be driven.
  • the cutting device includes a so-called fixing arrangement, which prevents the further tear of the film web during the cutting process.
  • the fixing arrangement is preferably arranged on the pivot axis of the cutting device and preferably comprises fixing rollers, above and below the film.
  • the fixing rollers are arranged in advance in the cutting direction of the film web in front of the cutting device, so that during the cutting process no uncontrolled tearing operation beyond the fixing rollers can occur. Therefore, the fixing rollers are arranged in close proximity to the cutting tool.
  • the cutting device is preferably movable at a preselectable angle to the withdrawal direction of the film web over the working width of the film web for the transverse cutting of the main film web in the outlet of the stretching unit.
  • the edge strip is transferred to a gripping and transport device.
  • the transfer can be done manually, semi-automatic or preferably fully automatic.
  • the operator takes over the edge strip and introduces it manually into the mentioned gripping and transport device.
  • the film web can be picked up near the deflection of the treatment device or stretching system and transported out of the danger zone. Only then does the edge trim section and the cross section take place. Then, the operator can take over the gate and insert it into the gripper of the gripping and transport device, so that the carriage of the gripping and transport device can drive off and thread the film web in the subsequent withdrawal stand device.
  • the aforementioned transfer device preferably consists of a clamping and / or suction device for guiding the film web in a substantially horizontal direction.
  • a conveyor belt (a so-called belt feeder) or for example a vacuum table or the like is used, which can be lifted by a lifting and lowering device, for example in the form of a scissor lift to the film plane.
  • a lifting and lowering device for example in the form of a scissor lift to the film plane.
  • a gripping and transport device which is part of a film feeding device, moves to transfer the edge strip to the outlet area of the stretching installation and then automatically grips the edge strip.
  • a gripping and transport device moves to transfer the edge strip to the outlet area of the stretching installation and then automatically grips the edge strip.
  • an automated transfer of the edge strip is made possible to the film feeding device.
  • the edge strip is furthermore preferably cross-cut.
  • the film feed device comprises a movable gripping and transport device, comprising an integrated gripping and / or clamping mechanism for the film edge, a drive device and a transport rail.
  • the trapped film travels along a predetermined path along one side of the roller assembly and threads the film web into the roller assembly.
  • the drive device preferably comprises an electrically and / or mechanically driven carriage with one or more drive rollers which can be moved on a band-shaped transport rail which extends from the outlet region of the stretching device along one side of the roller arrangement and one side of the winding device.
  • the power supply for the drive unit may preferably be effected by means of rechargeable batteries or via a busbar arranged next to the transport rail.
  • One or more of the drive rollers are provided with a surface coating with a high coefficient of friction to a To allow good frictional engagement with the transport rail.
  • the carriage may further comprise a pressing device with which the drive rollers are pressed against the transport rail.
  • the film is transported to an end position on the winder, in which the gripper on the transport device releases the edge strip, so that then the film web is wound on a winding device after prior application of adhesive to the film.
  • the gripping and transport device may alternately between the transfer position and the release position for winding the film onto a winder, e.g. be moved back and forth.
  • a closed circumferential rail arrangement is possible.
  • a section of the transport rail at a region along one side of the winding device is preferably automatically controlled, e.g. by process or pivoting.
  • an opening mechanism for opening the gripper of the gripping and transport device can furthermore be arranged in the end position of the film feed device.
  • the opening mechanism here is preferably an opening wedge.
  • a device can be provided in the region of the winding device, which can apply adhesive to the film web.
  • the mentioned device is preferably provided with a detector or sensor device coupled, with which it can be determined whether there is a film web at one point in the winding device.
  • FIG. 1 shows in side view the outlet of a film stretching machine, the trigger stand with various process and test stations and the winder according to an embodiment of the invention.
  • the film run 4 is shown as a meandering solid line.
  • the film 4 is passed through the trigger stand 2 with a plurality of rollers 2a and roll stands 2b. After the film 4 has passed through the peel stand 2, it is fed to a winding device 3, in which the film 4 is wound onto a so-called scrap winding reel 8 after the application of adhesive.
  • the wrapping on the scrap roll is carried out until the film is aligned over the entire working width, and meets the desired quality requirements.
  • a marginal strip cut by the operator 5 is taken and inserted into a gripping and transporting device 10 of a film feeding device when it is located between the stretching device 1 and the winding assembly 2.
  • the gripping and transporting device is in this case along one side of the roller assembly and the winding device on a meandering transport rail 15 movable and can be moved back from its final position P on the transport rail to the operator 5th In the FIG.
  • meander-shaped transport rail 15 shown in side view defines a path which corresponds to the path of the film web through the plurality of rollers belonging to the roller assembly 2 and leads to the winding device to - which will be explained later - here a leading end of the film web to the winding device to hand over.
  • the operator After the operator has inserted the film edge strip into the film feed device 10, it can cut off the front part of the film edge strip protruding from the film feed device by means of a cutting unit 6.
  • a cutting unit 6 In the in FIG. 1
  • the main film web adjoining the edge strip is cut off manually by the operator or by a plurality of operators 5. Under certain circumstances, a short cut is sufficient so that starting from the cut, the rest of the film web tears off under the existing tensile stress.
  • the gripping and transport device moves along the transport rail and pulls over the edge strip the film web in the rollers 2a of the roller assembly 2 a.
  • the construction of the film feed device which comprises a gripping device for detecting the film web or the edge strip includes and in the manner of a carriage on the transport rail 15 is movable, will be explained later in more detail.
  • the mentioned rollers 2a are driven in a known manner via a drive device, which are provided on the side opposite the transport rail 15 side of the roller assembly.
  • the film-feeding device After the film-feeding device has passed through the roller arrangement, it continues into the winding device 3, in which it is initially guided past the winding rollers 8 and 9. Finally, the film feeding device reaches the parking position P, in which the film edge strip is released and applies to the scrap winding roller 8. At an appropriate point, the application of an adhesive, so that the beginning of the film is held on the scraping roller. Finally, the film web is wound onto the scrap wrapping roll 8.
  • FIG. 2 shows in the stretching unit 1, the film web 4 is known to be transported via so-called clips 1a, of which schematically some in FIG. 2 are indicated.
  • the end of the cooling zone is in FIG. 2 indicated by the line C.
  • the so-called Ausisseppline highlighted by the line K at which the clips 1a are opened and the edges of the film web 4 are released.
  • FIG. 2 shows that the cutting device 11 cuts the film web on the operator side, whereby an edge strip 4a and a main film web 4b is formed.
  • the edge strip 4a is in the in FIG.
  • the main film web 4b is severed and a precursor web 4'b on the main film web and a leading end of the marginal tape are manually cut by the operator. This is in FIG. 2 indicated by two scissors. Finally, the transport of the edge strip by means of the gripping and transport device, whereby the film web is inserted into the trigger stand and the winding device.
  • FIG. 3 shows a detailed side view of the cutting and fixing device used in one embodiment of the method according to the invention.
  • the cutting device is in this case mounted on a pivot axis 11a, wherein in the side view according to FIG. 3 an adjustable cutting blade 11b is located to the right of the pivot axis and fixing rollers 11c and 11d adjustable to the left of the pivot axis are mounted.
  • the cutting device is movable with its cutting blade and the fixing over the withdrawal width towards in a leading angle.
  • the cutting blade about the pivot axis 11a is rotatable so that the cutting blade is aligned at an angle to the drawing direction of the film web.
  • the setting is made such that based on the film take-off speed and the feed rate of the cutting blade, a correspondingly correct angle adjustment is made to produce a corresponding preselectable section through the film.
  • so-called fixing rollers 11c and 11d are provided, which are also held and aligned together with the cutter over the pivot axis. The fixing rollers 11c and 11d either rotate freely or are driven by drive means, not shown.
  • the rollers pressing on above and below the film prevent cracking on the film.
  • FIG. 4 a top view of the Film web 4 in the outlet region of the treatment device 1, wherein the film is cut automatically in this embodiment of the invention by the cutting device 11.
  • a marginal strip 4a which is inserted into the gripper assembly on said film feeder 10.
  • the front end of the edge can be cut off, as in position P1 FIG. 4 is indicated.
  • the gripping and transporting device 10 shown in the position in which the film edge strip is inserted.
  • the cutting device moves transversely to the longitudinal direction of the main film web starting from the operator side in the direction of the drive side. This is indicated by a corresponding arrow 11 'in FIG FIG. 4 and corresponding snapshots of the positions of the cutting device 11 indicated in the method.
  • the cutting blade of the cutting device is hereby aligned in the transverse direction to the film web, whereby a beveled edge Q is formed.
  • the cutting blade rotates again in a direction parallel to the longitudinal direction of the film web and a second edge 4c is cut.
  • the cutting of a second edge is in the embodiment of FIG.
  • the cutter 11 can not cut the left edge of the film, as it would collide with the clips due to their position within the stretching unit (TDO).
  • TDO stretching unit
  • the cutting device 11 is driven such that it can pass through two adjacent clips. In such a case can be dispensed with the cutting of the second edge 4c.
  • the transfer of the film edge to the film feeding device can also take place, for example, at a position P2 in which only the edge strip 4a is formed and has not yet merged into the triangular-shaped widened film section 4'a.
  • the separating cut would be to separate a further leading edge portion of the edge strip 4a at P'2, so that the film feeding device 10 over the edge strip and the subsequent subsequent triangular widening film section 4'a the subsequent film web 4a in the Can move roller assembly.
  • the second marginal strip is finally cut off by a further cutting element 12 on the left foil edge, as indicated in the position P2.
  • the cutting element 12 is preferably also traversable in the transverse direction to the film web and may possibly also take on the right edge of the film, the longitudinal cutting of the film edge 4a, wherein the cutting device 11 is responsible in this case only for the transverse cutting of the film web.
  • FIG. 5 again shows a plan view of the film web 4 in the outlet region of the stretching unit 1, wherein a modification of the cutting process of FIG. 4 is shown.
  • the cross-cutting of the film web takes place by a method of the cutting device obliquely to the film web (as indicated by the arrow 11 ''), in one direction, so that the cutting device 11, according to the method in an area beyond the Ausisseppline K located.
  • This can be done on the in FIG. 4 shown longitudinal section of a second edge strip 4c omitted be because the cutter can not collide with the clips and thus can completely separate the remaining film web 4b.
  • FIG. 6 shows a detail view of in FIG. 1 illustrated cross-cutting unit 6 of the edge strip.
  • the gripping and transport device 10 is adjacent to the cutting unit 6.
  • the film strip has already been inserted by an operator into the gripping and transporting device 10, wherein a closure device 13 indicated only schematically may be provided, which closes the gripping and transporting device.
  • the closure device can in particular have manual, hydraulic, pneumatic or the like in order to close the grippers of the gripping and transport device.
  • the front portion of the foil strip can then be cut off by means of a cutting element 14 provided on the cutting unit 6. This is followed by the transport of the edge strip by starting the film feeding device.
  • the transfer can also be semi-automatic or fully automatic.
  • the transfer can be effected, for example, by a suction belt, a simple belt located below the film, for example a double belt, which is arranged below and above the film, or else by other types Transport devices take place.
  • a suction belt for example, a suction belt, a simple belt located below the film, for example a double belt, which is arranged below and above the film, or else by other types Transport devices take place.
  • FIGS. 19A to 20B it should be an embodiment of a semi-automatic transfer will be explained in greater detail.
  • FIG. 19A It is in Figure 19A in side view and in FIG. 19B in plan view an excerpt to the transfer device according to the invention shown.
  • a so-called belt conveyor 101 which extends over the entire width of the film 4 or only a sufficient part width or consists of several each extending over a partial width individual and juxtaposed belt conveyor 100. These have a circumferential belt 103 which can be driven in rotation between two guide rollers 105.
  • This belt conveyor is height adjustable in the embodiment shown, in the illustrated embodiment, a scissor lift 107 is provided.
  • this belt feeder (belt feeder) is raised by the scissor lift 107 to the film plane, to then promote the previously uncut film 4 out of the danger zone.
  • an operator can then grasp the gate (ie the leading end of the film web) preferably at the described leading edge section 4'a or the leading film section 4'a located at the edge around this film section in the gripper Insert gripping and transport device.
  • the equipped with the gripper carriage of the film feeding device for example, timed or after triggering a start button, etc. go to the film web thread into the following trigger stand.
  • the belt conveyor is then returned to its in Figure 20A lowered position shown lowered.
  • the in Figure 19A shown in side view operator only take the leading end of the film, perform a half pivotal movement to the right, then next to the side edge of the film web standing the leading end of the film 4'a or the leading edge portion 4a to introduce into the gripper of the gripping and transporting device.
  • the car with the gripper is at this time in its starting position 111, as in FIGS. 19A and 19B is shown.
  • the takeover of the edge strip can also take place fully automatically near the deflection 1c of the treatment device or stretching device.
  • the film feeding device moves directly to Ausisseppline K and takes over the edge strip there.
  • the automatic cross-section for cutting the front end of the edge strip 4a is synchronized.
  • edge strip By the edge strip the transport of the entire film web is facilitated and accelerated and the risk of blocking the film web, which can occur when pulling through the roller assembly, is considerably reduced. Furthermore, the cutting of an edge strip always allows the same starting conditions and it is an automated transfer of the film to the film feeding device directly to the Ausisseppline the treatment facility possible.
  • FIG. 7 shows a perspective view from below of the gripping and transporting device 10 used according to the invention, wherein it is movable on the transport rail 15.
  • the gripping and transport device is designed as a movable carriage, which preferably has its own power supply 10b, the corresponding transport rollers (not from FIG. 7 visible) drives, which contact one side of the transport rail 15.
  • the device has a gripper 10a, which has gripping arms which can be opened and closed by a corresponding mechanism and clamp the film edge strip.
  • Various mechanisms for opening and closing the gripper located on the film loading device can be realized, for example in the form of toggle lever assemblies well known in the art, or in the form of pneumatic, hydraulic and / or electrical devices and the like.
  • the gripping and transport device 10 further comprises a pressing device 10f, which ensures the frictional engagement of the drive rollers of the gripping and transport device with the transport rail 15.
  • a pressing device is also well known in the prior art and is in the embodiment of FIG. 7 designed as a spring lever, wherein the spring lever is guided over four rollers 101 on one side of the transport rail 15.
  • the transport rail itself is further attached via a plurality of brackets 16 on one side of the roller assembly or the winding assembly.
  • FIG. 8 shows a further perspective view from above of the gripping and transport device 10 according to the invention, wherein the transport rail is not shown.
  • FIG. 8 it can be seen that the gripping and transport device (shown here) has two transport rollers 10c and 10d, which are driven by the drive unit (s) 10b.
  • One or more of the drive rollers are provided with a surface coating with a high coefficient of friction to allow a good frictional engagement with the transport rail.
  • FIG. 9 shows a sectional view of the movable gripping and transporting device 10 of FIG. 7 , and along a plane perpendicular to the transport rail in the region of the bracket 16.
  • the drive is designed as a DC or AC motor 10 g and connected to a planetary gear 10 h.
  • the motor is preferably driven by accumulators 10o.
  • the corresponding power transmission via the motor housing 10i which is fixedly connected to the frame housing 10j, on a drive drum 10k, on which a molded part 10m is located.
  • the drive drum 10k and the molding 10m constitute the transport roller 10c.
  • the molded part 10m ensures the frictional engagement with the surface of the transport rail.
  • the transport roller is mounted on ball bearings 101 and 10q.
  • ball bearings 10n and roller bearings 10p are provided, wherein the roller bearings are in FIG. 7 stored rollers 101 store.
  • the ball bearings 10n serve for laterally guiding the carriage on the transport rail 15.
  • drive device has a number of advantages. In particular, it has a compact size with high extraction torque. This is very important in the present invention because the drive device travels along small arc radii in a meandering guideway. By the internal engine of Drive device is achieved an improved center of gravity while reducing tilting moments.
  • the transport rollers can also be quickly adapted for the respective requirements by changing the surface covering or surface profile and quickly replaced.
  • a control is integrated in the drive device, with the various operations can be controlled. In particular, the starting, the stopping, the stable pulling force and the torque can be adjusted.
  • the speed of the traveling carriage i. the gripper and transport device movable along the transport rail correlates with the line speed of the stretching device and the roller speed on the take-off stand, wherein preferably the drive device for the film-feed device is set so that always passes over the gripped leading end of the film web to be pulled in and through the drive of the rollers of the take-off stand Tensile forces are exerted on the film web.
  • the transport rail is preferably made of standard semi-finished stainless steel material, so that the functionality remains guaranteed under aggressive environmental conditions.
  • the gripper of the film feeding device has a large gripper opening and can optionally be equipped with a self-timer mechanism in case of overload.
  • FIG. 10 an example of a possible construction of a gripper 10a is shown.
  • FIG. 10 shows a sectional view of the in FIG. 7 shown gripping device.
  • the sectional view shows, in particular, a section through the transport roller 10d, so that the high-friction lining design (here as an example O-rings 10e in section) can be seen.
  • the structure of the gripper 10a is shown, which is constructed in the manner of a toggle joint. It is referred in this respect to known toggle and their operation.
  • Such a gripper comprises an upper claw jaw 201 and a lower claw jaw 202, which hold the edge strip 4a of the film web.
  • the clip jaws are each rotatably mounted on an upper jaw lever 203 and lower jaw lever 204.
  • the jaw levers are in turn rotatably mounted at pivot points 206 and 207, respectively. So that a defined clamping force is exerted on the edge strip, a toggle lever 208 is biased by a spring (not shown). This spring acts here between the pivot point 206 of the upper jaw lever and the pivot point 207 of the lower jaw lever and can be preset by means of a set screw. By applying force to the toggle lever 208 in the directions indicated by the arrows, the gripper can be opened or closed. This can be done either manually by an operator or by a suitable opener and / or closing arrangement.
  • FIG. 10 It can also be seen that the plane of the film web coincides with the middle of the transport rail, so that the tilting moments on the drive unit are reduced by the film tension.
  • FIG. 11 shows a perspective view of the pressing device used in the gripping and transporting device 10 10f.
  • the pressing device is a molding or frictional engagement in the movement of the carriage within circular arcs of the transport rail compensated or maintained.
  • the rollers 101 are used, which are tensioned by means of an energy accumulator in the form of springs 102 in the direction of the transport rollers of the film feeding device.
  • the rollers 101 are each attached to rockers 103, which in turn are attached to bearing sleeves 104.
  • the swings shown can perform independent movements.
  • the force is applied via a rocker 104 which is attached to the rockers 105 via chain links.
  • a spring tensioner 106 for adjusting the tensile force.
  • FIG. 12A shows a perspective view of the transport rail 15 used in an embodiment of the invention
  • FIG. 12B is a cross-sectional view of in FIG. 12A shown transport rail shown.
  • a power guide rail 17 is attached, which is screwed to the brackets 16 of the transport rail.
  • the current-carrying rail serves to supply energy to the drive motor of the film-feed device, which moves on the transport rail.
  • printed conductors with sliding contacts are laid on the current-carrying rail.
  • the drive motor via accumulators (as in Figures 9 and 10 shown) are driven.
  • the profile of the guide rail is assembled bumplessly from standard elements (straight lines, arches, different radii and angles) in order to allow rapid and cost-effective adaptation to different machine types.
  • the gripping and transporting device 10 does not have its own drive, but is driven by means known from the prior art rope or chain hoists along the transport rail.
  • FIGS. 13A and 13B show two embodiments of known Wicklertypen 2.
  • the film web is guided above the winding rollers 8 and 9 by means of the film feeding device to a lower parking position P.
  • the cutting arm 7 is arranged for cutting the film web above the rollers.
  • the film is guided below the winding rolls 8 and 9 in an upper parking position P by means of the film feed device 10.
  • the cutting arm is arranged below the winding rollers 8 and 9.
  • FIG. 14 shows a sectional view taken along the line II of FIG. 13A , In this case, it can be seen in particular that a part of the transport rail 15 is pivotably mounted on a pivot axis 18.
  • the transport rail can be folded over the pivot axis upwards, as by phantom lines in FIG. 14 is indicated.
  • Sense of pivoting is that the cutting arm 7 has access to the film web during the cutting process, because the access to the film web is normally blocked by the transport rail.
  • the swinging in and out of the transport rail can be done automatically by an appropriate control.
  • An enlarged view FIG. 14 to illustrate the pivotable rail section is in the detailed representation according to Figure 14A played.
  • FIGS. 15A to 15E show schematically the process of the submission process the film web to the winding roller 8 of the winding device.
  • the distance still to be covered by the gripping and transport device 10 is indicated in each case by dashed lines.
  • Figure 15A the situation is shown when the film feeding device just enters the winding device 2. It can be seen in particular that between winding roll 8 and 9 there is a sensor 20 and, near the scraping roller, an application device for adhesive 19. The sensor 20 detects when the film web passes over it and controls the spraying device 19 accordingly, as will be explained below.
  • FIG. 15B is the transport device 10 just above the winding roller 9. The sensor has not yet detected a film.
  • FIG. 15C Finally, the film feeding device 10 is in its parked position P.
  • the guided by the film feeding device foil edge strip has been applied to the top of the two winding rollers 8 and 9.
  • the sensor 20 detects the presence of the film web and controls the spray device 20, which applies adhesive to the film web.
  • the adhesive serves to adhere the film web to the winding roll 8.
  • the adhesive may be a liquid adhesive, adhesive beads or even water. When using an adhesive comes z. As a hot-melt adhesive based on PP into consideration. The point at which the adhesive is sprayed onto the film web, can be adjusted so that when the pier to the winding roller 8 reaches the optimum adhesion is guaranteed. If water is used as the adhesive agent, a larger spray area must be provided with respect to the adhesive, for which reason the spray device 19 has a plurality of spray nozzles.
  • FIG. 15E finally shows a scenario in which is rewound on a previously used scrap roll.
  • FIG. 16A shows in plan view a detailed view of the in the FIGS. 15A to 15E used spraying device and the adhesive field with overhead film web.
  • FIG. 17 shows a detailed view of the film feeding device 10 in the parking position P according to FIG. 13A ,
  • the film feeding device strikes in the parking position to a stopper 23.
  • the opening of the film feeding device is effected, for example, by an opening wedge 22 through which, for example, the toggle lever of the gripper of the film retracting device is actuated and opens the gripper.
  • the transport rail does not necessarily have to end in the position P.
  • a manual, semiautomatic or automatic transfer of the film web 4 conveyed through the installation via the gripping and transporting device to the winding tube or a waste wrap can take place.
  • the transfer preferably takes place at least on a winding roll 8 of the winding device 3.

Landscapes

  • Advancing Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Metal Rolling (AREA)
  • Making Paper Articles (AREA)

Claims (42)

  1. Procédé pour le traitement d'une bande de feuille (4) qui sort d'une installation d'étirage (1),
    présentant les étapes suivantes :
    - coupe de la bande de feuille (4) en direction longitudinale, en formant un ruban de bord (4a) et une bande de feuille principale (4b) réduite de la largeur du ruban de bord (4a),
    - transmission du ruban de bord (4a, 4'a) à un dispositif de saisie et de transport (10) mobile,
    - avant, pendant et/ou après la transmission du ruban de bord (4a) à un dispositif de saisie et de transport (10) mobile, séparation d'un tronçon en avance du ruban de bord (4a) et séparation de la bande de feuille principale (4b), la séparation s'effectuant entièrement ou partiellement par découpe et le cas échéant en supplément par déchirure,
    - déplacement du dispositif de saisie et de transport (10) le long d'un côté d'un agencement de cylindre (2), la bande de feuille (4) étant enfilée dans l'agencement de cylindre (2),
    - déplacement du dispositif de saisie et de transport (10) le long d'un côté d'un dispositif d'enroulement (3), muni d'au moins un rouleau d'enroulement (8), jusque dans une position de libération ou de fin de course (P),
    - ouverture du dispositif de saisie et de transport (10) dans la position de fin de course (P) pour libérer le ruban de bord (4a), et
    - exécution de l'opération de coupe, exécutée dans la bande de feuille (4) en direction longitudinale pour produire un ruban de bord (4a), dans un tronçon de la zone de sortie de l'installation d'étirage (1), dans lequel les pinces (1a) faisant partie de l'installation d'étirage (1) sont encore fermées ou viennent d'être ouvertes et retiennent ainsi encore la feuille.
  2. Procédé selon la revendication 1, caractérisé en ce qu'après avoir coupé le ruban de bord (4a), on coupe un tronçon en avance de la bande de feuille principale (4b), en réalisant une coupe de séparation du premier bord longitudinal,, adjacent au ruban de bord (4a), de la bande de feuille principale (4b) jusqu'à proximité du second bord longitudinal opposé de la bande de feuille principale (4b), et en ce qu'ensuite on coupe un autre ruban de bord (4c) en direction longitudinale de la bande de feuille (4) à proximité du second bord, que l'on coupe avant l'insertion de la bande de feuille (4) dans l'agencement de cylindre (2).
  3. Procédé selon la revendication 2, caractérisé en ce que l'on coupe l'autre ruban de bord (4c) dans un tronçon de la zone de sortie de l'installation d'étirage (1), dans lequel les pinces (1a) de l'installation d'étirage (1) ne sont pas encore ouvertes.
  4. Procédé selon la revendication 1, caractérisé en ce que on réalise la coupe de séparation pour séparer la bande de feuille principale (4b) de manière à exécuter la coupe ou la séparation à partir d'un premier bord longitudinal, adjacent au ruban de bord (4a), de la bande de feuille principale (4b) jusqu'à un bord longitudinal opposé de la bande de feuille principale (4b).
  5. Procédé selon la revendication 4, caractérisé en ce que l'on procède à la coupe de séparation pour séparer la bande de feuille principale (4b) au niveau du second bord de la bande de feuille principale (4b) sur le côté dit d'entraînement, de telle sorte qu'elle se termine entre deux pinces voisines (1a) de l'installation d'étirage qui ne sont pas encore ouvertes.
  6. Procédé selon la revendication 1 ou 4, caractérisé en ce que la coupe de séparation pour séparer un tronçon en avance de la bande de feuille principale (4b) s'effectue à un angle aigu par rapport à la direction d'enlèvement de la bande de feuille (4).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la coupe du ruban de bord (4a) et/ou la séparation de la bande de feuille principale (4b) s'effectue automatiquement avec un dispositif de coupe (11) mobile de façon commandée.
  8. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que la coupe transversale du ruban de bord (4a) et/ou la séparation de la bande de feuille principale (4b) s'effectue manuellement.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'on coupe une partie en avance du ruban de bord (4a) après ou pendant la transmission du ruban de bord (4a) au dispositif de saisie et de transport (10).
  10. Procédé selon l'une des revendications 1 à 9, caractérisé en ce que l'on transmet un tronçon du ruban de bord (4a, 4'a) automatiquement à un dispositif d'insertion de feuille pourvu d'un dispositif de saisie et de transport associé (10) pour introduire le ruban de bord (4a, 4'a) dans un agencement de cylindre (2).
  11. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que le dispositif de saisie et de transport (10) est déplacé jusqu'à la sortie de l'installation d'étirage (1) et saisit ici le ruban de bord (4a, 4'a) soit automatiquement soit après émission d'un signal de déclenchement.
  12. Procédé selon l'une des revendications 1 à 9, caractérisé en ce que le ruban de bord (4a) et/ou un tronçon de bande de feuille latéral en avance (4'a) est introduit manuellement dans le dispositif de saisie et de transport (10) et est fixé et retenu par fermeture du dispositif de saisie et de transport (10).
  13. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que le tronçon de bord (4a) et/ou un tronçon de bande de feuille en avance (4'a) est introduit semi-automatiquement dans le dispositif de saisie et de transport (10) en transportant la bande de feuille (4) tout d'abord non coupée hors de la zone dangereuse de l'installation d'étirage (1) au moyen d'un dispositif de transport et en la transmettant alors manuellement dans le dispositif de saisie et de transport (10) après exécution d'une coupe du ruban de bord et d'une coupe transversale.
  14. Procédé selon l'une des revendications précédentes, caractérisé en ce que pendant le déplacement du dispositif de saisie et de transport (10) le long du dispositif d'enroulement (3), la bande de feuille (4) est aspergée d'un agent adhésif, en particulier de colle et/ou d'eau, ou cet agent adhésif est appliqué sur la douille d'enroulement ou sur la bobine de descente.
  15. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'agencement de cylindre (2) et le dispositif d'enroulement (3) sont entraînés sur un côté entraînement, et le dispositif de saisie et de transport est déplacé sur le côté opposé.
  16. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'après avoir atteint la position de fin de course (P), le dispositif de saisie et de transport (10) est ramené vers le dispositif de traitement (1) pour saisir un nouveau ruban de bord (4a, 4'a).
  17. Procédé selon l'une des revendications 1 à 16, caractérisé en ce que la bande de feuille est transmise manuellement, semi-automatiquement ou automatiquement à une douille d'enroulement ou à une bobine de descente pour enrouler la bande de feuille (4) sur ladite au moins une douille d'enroulement (8) du dispositif d'enroulement (3).
  18. Système pour traiter une bande de feuille (4) sortant d'une installation d'étirage (1), présentant les caractéristiques suivantes :
    - il est prévu un dispositif de coupe (11) pour couper la bande de feuille (4) en direction longitudinale, dont résulte un ruban de bord (4a, 4'a) et une bande de feuille principale (4b) réduite de la largeur du ruban de bord (4a, 4'a),
    - il est prévu un dispositif de saisie et de transport mobile (10) comportant des préhenseurs situés sur celui-ci, par lesquels le ruban de bord (4a) de la bande de feuille (4) et/ou une amorce en avance de la bande de feuille à enrouler (4) peut être saisi(e) à sa zone de bord et le ruban de bord (4a) et donc la bande de feuille à enrouler (4) sont mobiles sur le côté opposé au côté entraînement de l'agencement de cylindre (2) le long d'un agencement de rail (15) jusqu'à une position de libération et/ou de fin de course (P), le préhenseur situé sur le dispositif de saisie et de transport (10) pouvant être ouvert dans la position de libération et/ou de fin de course (P) pour libérer le ruban de bord saisi (4a), de sorte que la bande de feuille (4) est susceptible d'être enroulée sur un rouleau d'enroulement (8) d'un dispositif d'enroulement (3),
    - le dispositif de coupe (11) est réalisé de telle sorte ou bien il est prévu un second dispositif de coupe supplémentaire au dispositif de coupe (11), par lequel un tronçon en avance de la bande de feuille (4) et de la bande de feuille principale (4b) est susceptible d'être séparé complètement ou partiellement d'un tronçon successif de la bande de feuille (4b),
    - le dispositif de coupe (11) est agencé dans la zone de sortie de l'installation d'étirage (1) et/ou y est déplaçable, et
    - le dispositif de coupe (11) est agencé de telle sorte et/ou déplaçable de telle sorte que l'opération de coupe s'effectue dans un tronçon de l'installation d'étirage (1) dans lequel les pinces (1a) sont encore fermées ou viennent d'être ouvertes.
  19. Système selon la revendication 18, caractérisé en ce que le dispositif de coupe (11) présente un axe de pivotement (11a) via lequel l'angle de coupe d'un moyen de coupe (11b) du dispositif de coupe (11) par rapport à la direction d'enlèvement de la bande de feuille (4) est réglable.
  20. Système selon la revendication 19, caractérisé en ce que le moyen de coupe (11b) comprend une lame rotative, de préférence à entraînement intégré.
  21. Système selon l'une des revendications 18 à 20, caractérisé en ce que le dispositif de coupe (11) comprend un agencement de fixation (11c, 11d) qui stabilise la bande de feuille (4) pendant l'opération de coupe du dispositif de coupe (11) et qui empêche en outre une déchirure incontrôlée de la feuille (4) à partir de la position du dispositif de coupe (11) au moins jusqu'au-delà de l'agencement de fixation (11c, 11d).
  22. Système selon la revendication 21, caractérisé en ce que l'agencement de fixation est constitué par au moins une paire de cylindres à travers laquelle est déplacée la bande de feuille à couper (4) par génération d'une pression de contact, avant que la bande de feuille (4) atteigne la position de coupe, au moins un cylindre de la paire de cylindres pouvant de préférence être entraîné.
  23. Système selon l'une des revendications 18 à 22, caractérisé en ce que le dispositif de coupe (11) est déplaçable au-delà de la bande de feuille (4) sur un chemin qui est orienté au moins localement à angle aigu ou obtus par rapport à la direction d'enlèvement de la bande de feuille (4).
  24. Système selon l'une des revendications 18 à 23, caractérisé en ce que pendant le fonctionnement, le dispositif de coupe est susceptible d'être positionné de manière à couper dans le bord de la bande de feuille résiduelle (4b) opposé au premier ruban de bord (4a) un autre ruban de bord (4c) s'étendant en direction longitudinale.
  25. Système selon l'une des revendications 18 à 24, caractérisé en ce qu'il est prévu un dispositif de remise pour remettre le ruban de bord (4a, 4'a) au dispositif d'introduction de feuille (10).
  26. Système selon la revendication 25, caractérisé en ce que le dispositif de remise comprend un organe de serrage et/ou de succion pour guider la bande de feuille (4) dans la direction sensiblement horizontale.
  27. Système selon la revendication 25 ou 26, caractérisé en ce que le dispositif de remise comprend un organe à courroie de succion, un organe à courroie simple ou un organe à courroie double agencé en partie au-dessus et en partie au-dessous du film et recevant au centre le film en sandwich, permettant de transporter la bande de feuille (4) plus loin.
  28. Système selon la revendication 25, 26 ou 27, caractérisé en ce que le dispositif de remise est constitué par un transporteur à sangle (111) qui est susceptible d'être soulevé au moins approximativement jusqu'au plan du film par l'intermédiaire d'un dispositif de levage de préférence sous la forme d'un dispositif de levage à parallélogramme (107) pour transporter la bande de film (4), et après remise il est déplaçable en éloignement du plan de film, de préférence par abaissement.
  29. Système selon l'une des revendications 18 à 28, caractérisé en ce que le dispositif de coupe (11) est agencé en aval du dispositif de remise, en direction de transport.
  30. Système selon l'une des revendications 18 à 29, caractérisé en ce que dans la position dans laquelle le ruban de bord (4a) est remis au dispositif d'introduction de feuille (10) pendant le fonctionnement, il est prévu un dispositif de fermeture (13) pour fermer le dispositif de saisie et de transport (10) et/ou une unité de coupe (14) pour couper une partie en avance du ruban de bord (4a).
  31. Système selon l'une des revendications 18 à 30, caractérisé en ce que le dispositif de saisie et de transport (10) comprend un chariot à entraînement électrique et/ou mécanique muni d'un ou de plusieurs galets de transport (10d, 10e), le chariot étant mobile sur un rail de transport (15) qui s'étend à partir de la zone de sortie de l'installation d'étirage (1) le long d'un côté de l'agencement de cylindre (2) et d'un côté du dispositif d'enroulement (3).
  32. Système selon la revendication 31, caractérisé en ce que le rail de transport (15) est configuré en forme de bande, présente de préférence une section transversale rectangulaire et comprend des tronçons de rail rectilignes et/ou incurvés, vus de côté, et sur les grandes surfaces de circulation opposées ainsi formées et sur les faces frontales plus étroites formées à gauche et à droite prennent appui les galets de transport (10d, 10e) et/ou des dispositifs formant paliers de coulissement du dispositif de saisie et de transport (10) réalisé sous la forme d'un chariot, grâce à quoi le dispositif de saisie et de transport (10) en forme de chariot est retenu de façon imperdable et est mobile le long du rail de transport (15).
  33. Système selon la revendication 31 ou 32, caractérisé en ce que le chariot comprend une unité d'entraînement (10b) pour entraîner au moins un galet de transport (10d, 10e).
  34. Système selon l'une des revendications 31 à 33, caractérisé en ce qu'une barre conductrice (17) est agencée à côté du rail de transport (15) pour l'alimentation en énergie de l'unité d'entraînement (10b).
  35. Système selon la revendication 31 ou 32, caractérisé en ce qu'il est prévu un dispositif d'entraînement stationnaire qui, au moyen d'un dispositif de traction, est relié au chariot mobile sur le rail de transport (15), grâce à quoi le chariot est mobile le long du rail de transport (15).
  36. Système selon l'une des revendications 31 à 35, caractérisé en ce que l'un au moins des galets de transport (10d, 10e) comprend sur sa surface des organes en coopération de friction ou des organes en coopération de formes.
  37. Système selon l'une des revendications 31 à 36, caractérisé en ce que le chariot comprend un organe presseur (10f) par lequel ledit au moins un galet de transport (10d, 10e) est pressé contre le rail de transport (15).
  38. Système selon l'une des revendications 31 à 37, caractérisé en ce qu'un tronçon du rail de transport (15) est susceptible d'être déplacé ou pivoté hors du reste du tracé du rail de transport (15) et d'être déplacé ou pivoté en retour, en particulier dans cette zone dans laquelle le dispositif de coupe est déplaçable pendant l'opération de coupe de la bande de feuille (4).
  39. Système selon l'une des revendications 19 à 38, caractérisé en ce que dans la position de fin de course (P) du dispositif d'introduction de feuille (10), il est prévu un mécanisme d'ouverture (22) pour ouvrir automatiquement le préhenseur situé sur le dispositif d'introduction de feuille (10).
  40. Système selon l'une des revendications 18 à 39, caractérisé en ce que dans la zone du dispositif d'enroulement (3) est prévu un dispositif d'aspersion (19) permettant d'asperger un agent adhésif sur la bande de feuille (4) par déclenchement via un capteur et/ou par déclenchement via le dispositif de saisie et de transport (10) venant occuper une certaine position.
  41. Système selon la revendication 40, caractérisé en ce que le dispositif d'aspersion est couplé à un dispositif de détecteur ou de capteur (20) au moyen duquel on peut constater si une bande de feuille (4) se trouve à un certain emplacement dans le dispositif d'enroulement (3).
  42. Système pour produire des rouleaux de feuille enroulés, présentant les caractéristiques suivantes :
    - il comprend une installation d'étirage (1) pour produire des feuilles en matière plastique,
    - il comprend un dispositif à montant d'enlèvement sous la forme d'un agencement de cylindre (2), et
    - il comprend un dispositif d'enroulement (3) pour enrouler sur un rouleau d'enroulement (8, 9) la bande de feuille (4) sortant de l'agencement de cylindre (2),
    caractérisé en ce qu'il est prévu en outre un système pour traiter une bande de feuille (4) selon l'une des revendications 19 à 41.
EP05701334A 2004-04-01 2005-02-03 Procede et dispositif de traitement d'une bande de pellicule Not-in-force EP1730061B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410016217 DE102004016217A1 (de) 2004-04-01 2004-04-01 Verfahren und Vorrichtung zum Bearbeiten einer Folienbahn
PCT/EP2005/001088 WO2005105635A1 (fr) 2004-04-01 2005-02-03 Procede et dispositif de traitement d'une bande de pellicule

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EP1730061A1 EP1730061A1 (fr) 2006-12-13
EP1730061B1 true EP1730061B1 (fr) 2008-03-12

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EP (1) EP1730061B1 (fr)
JP (1) JP4787239B2 (fr)
CN (1) CN1930069A (fr)
AT (1) ATE388917T1 (fr)
DE (2) DE102004016217A1 (fr)
WO (1) WO2005105635A1 (fr)

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CN104494287A (zh) * 2014-12-26 2015-04-08 陈益楷 一种可变速的印刷介质夹持引导装置

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CN108423467B (zh) * 2018-04-19 2024-06-11 深圳市顾美科技有限公司 自动牵伸机
CN108882530B (zh) * 2018-06-29 2024-01-23 广东思沃先进装备有限公司 切换装置
CN109016475B (zh) * 2018-08-10 2024-08-13 广东仕诚塑料机械有限公司 一种纵向拉伸机的穿片装置
CN109036835B (zh) * 2018-09-26 2023-07-28 珠海市艾森工匠科技有限公司 多轴空心绕线机及其绕线方法
CN109103015B (zh) * 2018-10-15 2023-08-08 江苏北辰互邦电力股份有限公司 一种双向绕制的电力变压器线圈自动绕线机及其绕制方法
CN110525754A (zh) * 2019-08-20 2019-12-03 江苏东旭亿泰智能装备有限公司 带体回收装置
DE102019127701A1 (de) * 2019-10-15 2021-04-15 Brückner Maschinenbau GmbH & Co. KG Kluppenwagen für eine Transportkettenanordnung einer Reckanlage sowie eine zugehörige Reckanlage
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CN112185683B (zh) * 2020-09-23 2022-02-11 四川合一电气科技有限公司 一种电炉感应线圈生产线
CN112908680B (zh) * 2021-01-22 2023-03-10 东莞市技立自动化科技有限公司 变压器线圈绕线分离方法
CN113650399A (zh) * 2021-07-21 2021-11-16 合肥三利谱光电科技有限公司 一种rtp生产线用离型膜剥离设备
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JP7387083B1 (ja) * 2022-06-22 2023-11-27 芝浦機械株式会社 搬送装置及び搬送方法
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CN115771175B (zh) * 2022-11-04 2023-09-12 南通得力净化器材厂有限公司 一种加湿滤网生产用多层自动成型设备
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CN102718087B (zh) * 2012-04-24 2015-01-28 华中科技大学 一种用于薄膜复合的同步驱动对辊装置
CN104494287A (zh) * 2014-12-26 2015-04-08 陈益楷 一种可变速的印刷介质夹持引导装置

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ATE388917T1 (de) 2008-03-15
DE102004016217A1 (de) 2005-10-20
US20070163699A1 (en) 2007-07-19
JP4787239B2 (ja) 2011-10-05
DE502005003197D1 (de) 2008-04-24
CN1930069A (zh) 2007-03-14
WO2005105635A1 (fr) 2005-11-10
EP1730061A1 (fr) 2006-12-13
JP2007530389A (ja) 2007-11-01

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