EP1837137A1 - Dispositif de coupe transversale ainsi que procédé de mise en oeuvre d'un tel dispositif - Google Patents

Dispositif de coupe transversale ainsi que procédé de mise en oeuvre d'un tel dispositif Download PDF

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Publication number
EP1837137A1
EP1837137A1 EP20060005836 EP06005836A EP1837137A1 EP 1837137 A1 EP1837137 A1 EP 1837137A1 EP 20060005836 EP20060005836 EP 20060005836 EP 06005836 A EP06005836 A EP 06005836A EP 1837137 A1 EP1837137 A1 EP 1837137A1
Authority
EP
European Patent Office
Prior art keywords
rotary body
cross
cutting device
suction
material web
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.)
Granted
Application number
EP20060005836
Other languages
German (de)
English (en)
Other versions
EP1837137B1 (fr
Inventor
Thomas Schürch
Bruno Wallimann
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.)
Hunkeler AG
Original Assignee
Hunkeler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunkeler AG filed Critical Hunkeler AG
Priority to DE200650007084 priority Critical patent/DE502006007084D1/de
Priority to AT06005836T priority patent/ATE469740T1/de
Priority to EP20060005836 priority patent/EP1837137B1/fr
Priority to JP2007072836A priority patent/JP5171081B2/ja
Priority to CNA2007100878552A priority patent/CN101073888A/zh
Priority to US11/723,669 priority patent/US7798039B2/en
Publication of EP1837137A1 publication Critical patent/EP1837137A1/fr
Application granted granted Critical
Publication of EP1837137B1 publication Critical patent/EP1837137B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • B26D1/385—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D11/00—Combinations of several similar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D2007/082—Guiding or pushing a web into a favorable position by deflector means
    • 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
    • B65H2301/54—Auxiliary process performed during handling process for managing processing of handled material
    • B65H2301/543—Auxiliary process performed during handling process for managing processing of handled material processing waste material
    • 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
    • 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]
    • Y10T83/0453—By fluid application
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • 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
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • 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
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup
    • 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
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4847—With cooperating stationary tool
    • 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
    • Y10T83/485—Cutter with timed stroke relative to moving work
    • Y10T83/503—With plural tool stations

Definitions

  • the present invention relates to a cross-cutting device according to the preamble of claim 1 and a method for operating such a cross-cutting device.
  • Cross-cutting devices with two cross-cutting units for producing individual products from a flat material web and for separating cut-outs from the flat material web or from the product are, for example, from the documents EP-A 0622320 .
  • US 5,199,341 and WO-A 95/01245 known.
  • the cross-cutting units each have a fixed blade and a rotating blade arranged on a rotating blade and are spaced apart in the transport direction of the flat material web.
  • the second rotary body has a zone, which can be connected to a suction device, with suction openings, which serves for the leading edge of the cut-out section of the flat material web prior to the cutting operation to hold on the second rotary body and thus to turn out of the transport plane.
  • the connection to the suction device is interrupted again after the separation of the cutout, so that the cutout either falls off due to gravity, mechanically scraped off by the second rotary body or pushed away with blown air and disposed of.
  • the front edge of the subsequent product which has already been separated off or is still to be separated from the material web should not be deflected out of the transport plane, but should continue to be conveyed in the transport direction.
  • the suction openings are pulsed with suction air within a processing cycle.
  • machining cycle is understood as meaning the processes which lead to the separation of a respective product and, if appropriate, a section in each case, in particular production of a first separation section for separating product and subsequent material web and preparation of a second separation section for separating section and product.
  • the first separating cut is usually carried out by the first transverse cutting unit located in the transport direction and the second separating cut by the subsequent second cross cutting unit. If no cut is made, eliminates the second separation cut. Instead of a complete separation, for example, a perforation can be attached.
  • the problem with the known cross-cutting devices is that the size and position of the suction zone is fixed.
  • the suction zone for example, in the transport direction immediately behind or in the area arranged by the rotating knife.
  • the maximum width of the cutout which can be fixed to the rotatable body is determined by the width of the suction zone.
  • the suction zone must therefore be relatively wide. This in turn means that when sucking narrow compared to the width of the suction zone cut air into the suction system. As a result, the suction device is loaded and greatly impaired the suction performance.
  • the invention is therefore based on the object, the known cross-cutting devices further develop such that in a simple way, the adaptation to different formats of the cut is possible without burdening the suction device too much.
  • the second rotary body contains a plurality of zones along its circumferential surface, which can be acted upon individually and / or in combination with suction air in order to hold sections of different format.
  • a plurality of separate suction chambers are preferably present in the interior of the rotating body, which are each in communication with a suction zone and can be connected to a suction device, for example a vacuum pump.
  • a suction device for example a vacuum pump.
  • the connection to the suction device for single or a combination of Chambers are released or interrupted to obtain a resulting Contabsaugzone a certain, adapted to the format of the cut shape and size.
  • the release or interruption of the intake air supply is accomplished with a control device which closes or opens the access to the chambers preferably by mechanical means.
  • a preferably movable between different positions control which preferably moves with the second rotary body.
  • a stationary Saugluftan gleich so determines the position of the control relative to the rotary body on the admission of the individual chambers with suction and the position of the body relative to the Saugluftan gleich on the supply of suction air within a processing cycle.
  • the invention therefore advantageously makes it possible for the suction air zone of the second rotary body to be acted upon with suction air essentially only over the area of the cutout. It is thus prevented that false air enters the suction system. This is supported by connecting the suction zones to the suction air source only at certain times within a processing cycle.
  • the suction chambers or suction zones after separation of the section of the material web with blown air to apply can be easily removed from the second rotary body.
  • One of these measures is to provide an additional blowing zone with a corresponding blown air supply at the second rotary body. This serves to deflect after separation of a cutout the leading edge of the material web away from the rotating body in the direction of the transport plane in order to facilitate the reliable further transport in the transport plane. Even if no cut is made, so the transfer of the leading edge is simplified to a subsequent transport device.
  • Another of these measures is to influence the movement of the leading edge of the material web in the region of the stationary knife of a cross-cutting unit by means of suitable air supply.
  • blown air in the region of the stationary blade is blown in such a way that it runs essentially parallel to the transport plane, for example through a blown air duct oriented parallel to the transport plane.
  • the effect is supported by a baffle that is parallel to the Transport level is oriented.
  • the air flow generates a negative pressure in the transport plane and pulls the leading edge or the material web in the direction of the stationary knife (venturi effect).
  • the product is moved by the air flow in the transport direction. In this way, it is possible to introduce the leading edge of the material web to be transported further in the transport direction or of a product into a subsequent transport system.
  • the blown air changes its direction during a processing cycle in order to assist the discharge of a cutout.
  • its direction is changed so that it points at the approach of the cut-off section to the transport plane and deflects the front edge of the cutout in the direction of the rotary body.
  • the front edge can then be fixed as described above in addition by suction on the rotary body.
  • FIG. 1 shows an overview of an inventive cross-cutting device. It consists of two in the transport direction T successively arranged cross-cutting units 10, 20. The goal is shown in FIG. 18, the separation of a flat material web 30 into individual products 38 of length d2 and cutouts 34 of length d1, with the cross-cutting units 10, 20 separating cuts 130, 132nd be made transversely to the transport direction T.
  • the transverse cutting units 10, 20 each have stationary knives 12, 22 arranged in a first or second stationary knife block 11, 21 above the transport plane E.
  • the material web is moved in the transport direction T with a material web transport, not shown here.
  • Below the transport plane E of the material web 30 are preferably cylindrical first and second rotary bodies 14, 24 which are rotatable about a parallel to the transport plane and transverse to the transport direction T oriented axis of rotation D1, D2 and one on the rotary body 14, 24 firmly attached and therefore co-rotating knife 16, 26 have.
  • the stationary and rotating blades 12/16, 22/26 of a cross-cutting unit 10, 20 are preferably each slightly interlaced, so that there is a transverse to the transport direction migrating point contact and therefore a precise cut.
  • both rotary bodies 14, 24 are arranged below the transport plane E.
  • the knife position can be adjusted well, the device can be maintained well and the cutout 34 to be made can be removed in a simple manner downwards.
  • Other arrangements e.g. both rotary bodies 14, 24 above or one below, one above, are also possible.
  • the two rotary bodies 14, 24 are preferably driven and driven by two independent servo drives (not shown here). By registering the desired lengths d1, d2 of the cutout 34 and the product 38 in a control unit, not shown here, the rotary bodies 14, 24 are automatically positioned correctly. In response to changes in the distances between the register marks, the drive of the first transverse cutting device 10 or of the first rotary body 14 reacts with positive or negative accelerations. This is followed by the drive of the second transverse cutting device 20 and the second rotary body 24 in a corresponding manner.
  • the first cross-cutting unit 10 is essentially conventional. Differences to the prior art exist in a blown air system in the stationary knife block 11, which will be discussed below.
  • the second cross-cutting unit 20 has in the second rotary body 24, three suction air zones 60, 62, 64, which can be acted upon individually or in combination with suction air, i. individually or combined at certain times during the processing cycle with a vacuum or Saugluftario not shown here can be associated.
  • the Saugluftzonen 60, 62, 64 are arranged on the peripheral surface 25 of the second rotary body 24, wherein a first Saugluftzone 60 in the direction of rotation (here counterclockwise) is arranged immediately in front of the rotating blade 26 and the other Saugluftzonen 62, 64 in the direction of rotation in front are located.
  • the three Saugluftzonen 60, 62, 64 occupy a total of about a quarter of the peripheral surface of the second rotating body 24 and each extend over an arc corresponding to an angle of about 30 °.
  • fewer or more and / or shorter or longer suction air zones 60, 62, 64 may also be provided. In the present case there is no subdivision transversely to the transport direction, but it can be provided in order to obtain an adaptation to material webs of different widths.
  • a blown air zone 70 In the direction of rotation with a small angular distance of about 10-30 ° behind the rotating blade 26 is a blown air zone 70. This has in the present case a length corresponding to an angle of about 60 °.
  • Each of the zones 60, 62, 64, 70 is in the interior of the second rotary body 24 each associated with a chamber, not shown here, which communicates with a respective access 66, 67, 68, 72 in connection.
  • the chambers are each covered with an air-permeable cover element, each of which forms a zone 60, 62, 64, 70.
  • the cover element is eg a plate with holes or preferably an air-permeable porous aluminum element. By the latter, a particularly homogeneous suction is achieved.
  • the accesses 66, 67, 68, 72 are arranged in the end face 28 of the second rotary body 24 and therefore rotate with the rotary body 24. They can be closed or opened individually or in combination by a likewise rotating control disk 112.
  • transport system 40 or 50 In the transporting direction T behind the cross-cutting units 10, 20 is in each case a transport system 40 or 50.
  • Both transport systems 40, 50 are of similar construction and have at least one pair of driven transport rollers 42 and 52 and upper and lower guide elements 44 and 54, respectively.
  • the transport systems 40, 50 preferably have a drive which is independent of the material web drive, not shown here, with which the material web 30 of the cross-cutting device is supplied.
  • the leading material web or a product can thus be accelerated with the formation of a gap 36 with respect to the trailing material web 30 after a first separating cut 130 has been made.
  • the guide elements 44, 54 serve to bring the approaching leading edge 32 of the material web 30 or of a product 38 into the region of the transport rollers 42, 52.
  • This function is supported by blown air systems in the stationary knife blocks 11, 21.
  • the stationary knife blocks 11, 21 each have at least one blown air channel 81, 91 which is parallel to the transport plane E in the region of the transport plane runs.
  • the air is supplied to the second or first cross-cutting unit 20, 10 at an access 80, 90 on the knife block 22, 11 and discharged via the substantially vertically extending Blasluftkanal 81, 91 in the region of the transport plane E but kinking.
  • An impact plate 89 or 94 serves to guide the air further parallel to the transport plane E.
  • the air flow cross-section available is reduced, the air accelerated accordingly and the pressure is reduced (Venturi effect). Due to the resulting negative pressure, the material web 30 or the product is pulled slightly upwards and transported forward with the air flow. As a result, the insertion between the transport rollers 42, 52 of the transport systems 40, 50 is facilitated.
  • the second knife block 21 has a second blown air channel 82, which can also be connected to the access 80 and points substantially perpendicular to the transport plane E.
  • the blown air is alternately fed to the channels 81 and 82, respectively the leading edge and its subsequent part of the web 30 is deflected accordingly up or down.
  • the air flow conversion mechanism will be described below with reference to Figs. 14-17.
  • the second transverse cutting unit 20 transversely to the transport direction T each have a plurality of spaced first ("Venturi") and second channels 81, 82, which alternate, respectively along a line transverse to the transport direction and each form a Blas Kunststoffang, which will be explained in more detail with reference to FIGS. 14-17.
  • Venturi spaced first
  • second channels 81, 82 which alternate, respectively along a line transverse to the transport direction and each form a Blasluftang, which will be explained in more detail with reference to FIGS. 14-17.
  • FIGS. 2-9 show the cross-cutting device from FIG. 1 at different times during the setup or within a processing cycle.
  • Fig. 2 shows the cross-cutting device at the beginning of setting up without a material web 30.
  • the rotary body 14, 24 are in a defined basic position, which here corresponds to a position in which the rotating blades 16, 26 are removed about half a revolution from the cutting position , Format-relevant data are entered into the control unit, in particular length of the product, with or without cut-out, length of the cut-out (if necessary), optional paper thickness. If no cutout is to be made, the second rotary body 24 is automatically moved to a neutral position and deactivated.
  • the material web 30 is inserted in the transport plane E in the transport direction T.
  • the blast air channels 81, 91 in the stationary knife blocks 11, 21 are with Blas Kunststoff applied. Utilizing the venturi effect, the web 30 can be easily inserted into the first and second transport systems 40, 50, respectively.
  • the material web 30 is pulled in behind the second transport system 50.
  • the first cross-cutting unit 10 makes a cut by moving the first rotary body 14 from the home position to the cutting position shown therein where the blade of the rotary blade 16 is in the transport plane E.
  • the in the transport direction T forward bleed sheet 30 'is discharged via a Makulaturweiche 100 with the second transport system 50. Since the transport rollers 42, 52 run about 10% faster than the material web transport, a gap 36 is created.
  • the leading edge 32 is moved into a defined, for example, monitored with a sensor, position X at a defined distance in front of the second stationary knife 26 and stopped there.
  • the distance is for example about 10 mm.
  • the rotary bodies 14, 24 are moved to their starting positions shown in FIG. The start position is determined by the control unit based on the input lengths d1, d2 of the cutout 34 and the product 38 to be made.
  • a second Dividing cut 132 is made at a distance d1 from the front edge 32 and on the other by the first pair of blades 12/16 a first Separating cut 130 at a distance d2 from the second separating cut 132 and the leading edge of the product 38, respectively (see Fig. 18).
  • one or both rotary bodies 14, 24 can be driven asynchronously at a variable speed. After the cut, the corresponding rotary body is braked again so far that the desired format length passes through before a further separating cut is made.
  • one, two or three of the suction zones 60, 62, 64 or the corresponding accesses 66, 67, 68 are released by the control device, so that they can be acted upon by suction air, depending on the position of the second rotary body 24 .
  • the release of the suction zones 60, 62, 64 may be automatic via the control unit or manually and will be described in more detail below with reference to FIGS. 10-13.
  • the setup is completed, and the cross-cutter can be started for the continuous or clocked normal operation.
  • Fig. 6-9 show the sequence of a processing cycle. After the start of the material web transport and drive the rotary body 14, 24 synchronously high. As a result, the material web 30 is advanced so far that it is cut at a distance d1 from the front edge 32 and the desired cutout 34 of the length d1 is formed. Shortly before this separating cut 132, the first suction zone 60 with Suction applied. If cutouts 34 are to be produced with a greater length, one or more of the adjacent suction zones 62, 64 are subjected to suction air before that.
  • the blowing air in the second stationary knife block 21 is switched so that it flows through the bent parallel to the transport plane E first channel 81 through the perpendicular to the transport plane E second channel 82.
  • the air jet presses the front edge 32 and the cutout 34 additionally against the second rotary body 24.
  • the separating cut 132 is performed.
  • the cutout 34 is transported downwards by rotation of the second rotating body 24 while being held by the vacuum.
  • the blown air in the second stationary knife block 21 is guided again through the first (venturi) channel 81.
  • the new front edge 32 'of the sheet 30 of material produced after the separating cut 132 is blown upwards with an additional blown air in the blown air zone 70 of the second rotary body 24. This ensures safe transport of the product to be produced to the second transport system 50.
  • the first rotary body 14 continues to rotate synchronously and, in the position shown in FIG. 7, carries out the second separating cut at a distance d 2 from the new front edge 32 '.
  • the finished product 38 is then transported by the transport systems 40, 50.
  • the transport rollers 42, 52 opposite the web drive By the advance of the transport rollers 42, 52 opposite the web drive, a gap 36 between the product 38 and the material web 32 is generated.
  • the suction air is turned off in the first suction air zone 60 and switched to blown air, after the second rotary body 24 has rotated approximately 90 °.
  • the cutout 34 is blown away from the second rotary body 24 and can be disposed of, for example by suction or recording in a Makulaturbox.
  • the rotary body 14, 24 can be driven at a constant speed or even with non-uniform speed, in particular to produce larger formats than the circumferential length.
  • Fig. 10-13 show the control of the suction and blowing air supply into the second rotatable body 24.
  • Fig. 10 shows a detail view of the second rotatable body 24, the three above-described suction air zones 60, 62, 64 as well as the in Direction of rotation U subsequent blast air zone 70 has.
  • the cylindrical rotary body 24 has at its ends, of which only one is shown, each having a pin 29 on which it is also mounted.
  • the separate entrances 66, 67, 68 to the Saugluftzonen 60, 62, 64 via their corresponding chambers or an access 72 to the Blas Kunststoffzone 70 on the represent their respective chamber.
  • the front in the direction of rotation access 72 supplies the rear in the direction of rotation lying in the direction of rotation accesses 68, 67 and 66 correspond to the chambers 64, 62 and 60 in the same order.
  • FIGS. 11-13 show the second rotary body 24 with the control device 110 mounted thereon for adjusting the access to the suction and blown air inlets 66, 67, 68, 72 as well as with a connecting element 120 for blown and suction air in the assembled state (FIGS ) or in an exploded view in two views (FIGS. 12 and 13).
  • the control device 110 comprises a coaxially and rotatably arranged to the rotary body 24 control disk 112, which here has seven through-going recesses 114. These have approximately the shape of the entrances 66, 67, 68, 72 and are located at the same distance from the axis of rotation D2.
  • the recesses 114 are arranged so that, depending on the relative position of the control disk 112 to the end face 28 of the Blas Kunststoffzugang 72 and optionally one, two or three Saugluftzu réelle 66, 67, 68 are released while the other entrances (if any) are closed.
  • a cover plate 116 having four recesses 117 corresponding to the suction and blowing air inlets 66, 67, 68, 72, the control disk 110 is rotatably connected to the rotary body 24, e.g. with pressure pieces.
  • the rotary body 24, including the control disk 110 and the cover disk 116 rotates past a fixed connecting element 120 for blowing and suction air.
  • the connection element 120 has two kidney-shaped cutouts 122, 124, of which the upper is acted upon by suction / vacuum and the lower with blown air.
  • the cutout 122 for suction air is located approximately above the horizontal and the cutout 124 for Blowing air below the horizontal.
  • the position of the recesses 122, 124 is adapted to the position of the entrances 66, 67, 68, 72, that the suction and blowing air zones are acted upon at the desired times within the processing cycle with suction and blowing air.
  • control disk 110 is rotated relative to the rotary body 24, while the cover 116 remains stationary relative to the rotary body 24.
  • the control disk 110 preferably has latching positions defined for this purpose.
  • the control disk 110 can be adjusted manually but also automatically. Preferably, their position can be changed during operation, so that no changes and format changes to restart and restart is necessary.
  • the control disk 110 has a cam 113.
  • a detent 115 can be remotely placed in the circle of the cam 113.
  • the second rotary body 24 makes at least one revolution for adjusting and moves into a defined basic position in which the control disk 110 is in a defined position.
  • the control disk 110 is adjusted and can release the desired combination of accesses 66, 67, 68, 72 and close.
  • the catch 115 is removed from the circle of the cam 113, so that no further adjustment of the access occurs during normal operation.
  • FIGS. 14-17 show a mechanism for switching between venturi blown air and normal blown air in the area of the second stationary blade 22.
  • a non-co-rotating tube 83 having louvers 87, 88 is mounted in the stationary second blade block 21.
  • Each second air slot 87 opens into a first blown air duct 81 running parallel to the transport direction T in the area of the blade 21.
  • the remaining air slots 88 open into a second blown air duct 82 running perpendicular to the transport direction T in the region of the blade 21.
  • a control tube 84 is rotatably supported at both ends of the stationary tube 83 and connected to a timing belt 102.
  • the blown air is introduced here from both sides of the knife block 21 in the head tube 84, but can also come from one side only.
  • the control tube 84 has circumferentially groups of through holes 85, 86. These have the same axial distance as the air slots 87, 88. However, they are offset from each other in the radial direction.
  • the air slots 87 lead to the first adjacent in the transverse direction Blasluftkanälen 81.
  • the louvers 88 lead to the second Blasluftkanälen 82, which lie next to each other in the transverse direction, but offset from the first Blas povertykanälen 81.
  • FIG. 17 shows by way of example how an air slot 88 in the stationary tube 83 is permanently connected to a second blast air channel 82, but only supplied with blast air when the bore 86 of the control tube 84 is in the region of the air slot 88.
  • the lying in the transverse direction behind or in front of the second Blasluftkanal 82 first Blasluftkanal 81 is indicated by dashed lines and is not supplied via the bore 86 with blast air.
  • a control tube with corresponding louvers can be adjusted by hand so that the venturi blower bar or the normal blown air or both are switched on.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Advancing Webs (AREA)
  • Details Of Cutting Devices (AREA)
  • Replacement Of Web Rolls (AREA)
  • Turning (AREA)
  • Shearing Machines (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Tyre Moulding (AREA)
EP20060005836 2006-03-22 2006-03-22 Dispositif de coupe transversale ainsi que procédé de mise en oeuvre d'un tel dispositif Active EP1837137B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE200650007084 DE502006007084D1 (de) 2006-03-22 2006-03-22 Querschneidevorrichtung und Verfahren zum Betrieb einer solchen Querschneidevorrichtung
AT06005836T ATE469740T1 (de) 2006-03-22 2006-03-22 Querschneidevorrichtung und verfahren zum betrieb einer solchen querschneidevorrichtung
EP20060005836 EP1837137B1 (fr) 2006-03-22 2006-03-22 Dispositif de coupe transversale ainsi que procédé de mise en oeuvre d'un tel dispositif
JP2007072836A JP5171081B2 (ja) 2006-03-22 2007-03-20 横切断装置とこの横切断装置を動作させる方法
CNA2007100878552A CN101073888A (zh) 2006-03-22 2007-03-21 横切装置以及操作该横切装置的方法
US11/723,669 US7798039B2 (en) 2006-03-22 2007-03-21 Cross cutting device and method for operating such a cross cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20060005836 EP1837137B1 (fr) 2006-03-22 2006-03-22 Dispositif de coupe transversale ainsi que procédé de mise en oeuvre d'un tel dispositif

Publications (2)

Publication Number Publication Date
EP1837137A1 true EP1837137A1 (fr) 2007-09-26
EP1837137B1 EP1837137B1 (fr) 2010-06-02

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EP20060005836 Active EP1837137B1 (fr) 2006-03-22 2006-03-22 Dispositif de coupe transversale ainsi que procédé de mise en oeuvre d'un tel dispositif

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US (1) US7798039B2 (fr)
EP (1) EP1837137B1 (fr)
JP (1) JP5171081B2 (fr)
CN (1) CN101073888A (fr)
AT (1) ATE469740T1 (fr)
DE (1) DE502006007084D1 (fr)

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CN103420124A (zh) * 2013-09-03 2013-12-04 郑小玲 旋拨式裁切进料器
CN105881624A (zh) * 2015-02-12 2016-08-24 富士胶片株式会社 膜端部裁切方法、膜端部裁切装置、以及光学膜的制造方法
CN110282483A (zh) * 2019-07-31 2019-09-27 东莞市大禾智能设备有限公司 一种空气滤芯滤网贴边裁剪设备
WO2024028757A1 (fr) * 2022-08-05 2024-02-08 Ot Lucca S.R.L. Machine d'entrepliage et procédé pour faire varier une longueur d'articles en feuille produits par la machine d'entrepliage

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US20100206192A1 (en) * 2009-02-18 2010-08-19 Goss International Americas, Inc. Web Printing Press with Complete Machine Setups
JP5899839B2 (ja) * 2011-11-11 2016-04-06 ブラザー工業株式会社 ロータリーカッタ機構
DE102011120476A1 (de) * 2011-12-08 2013-06-13 Heidelberger Druckmaschinen Aktiengesellschaft Unrundes Saugrad
KR101564537B1 (ko) * 2012-12-05 2015-10-29 닛산 지도우샤 가부시키가이샤 전기 디바이스의 세퍼레이터 절단 장치 및 그 절단 방법
PL3498442T3 (pl) * 2013-03-14 2021-05-17 Hyperion Materials & Technologies (Sweden) Ab Urządzenie napinające do obrotowego urządzenia do cięcia
US20170087733A1 (en) * 2015-09-29 2017-03-30 The Gillette Company Kit Comprising A Razor Cartridge And An Adapter
DE102017207425A1 (de) * 2017-05-03 2018-11-08 Mahle International Gmbh Fertigungsmaschine und Verfahren zum Herstellen und Schneiden eines flachen metallischen Endloselements
AT520462A1 (de) * 2017-09-15 2019-04-15 Andritz Ag Maschf Verfahren zum Querschneiden einer entlang einer Bewegungsrichtung bewegten Materialbahn sowie Vorrichtung hierzu
IT201800010637A1 (it) * 2018-11-28 2020-05-28 Perini Fabio Spa Dispositivo perforatore e macchina di trasformazione comprendente detto dispositivo
IT201800011153A1 (it) * 2018-12-17 2020-06-17 Azionaria Costruzioni Acma Spa Dispositivo di trattamento di un nastro continuo
WO2021261690A1 (fr) * 2020-06-23 2021-12-30 씰링크 주식회사 Joint d'arbre rotatif et dispositif de transfert de pièces mettant en œuvre un tel joint d'arbre rotatif
CN113857552A (zh) * 2021-10-15 2021-12-31 四川德胜集团钒钛有限公司 一种飞剪机

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GB745878A (en) * 1953-01-17 1956-03-07 Jagenberg Werke Ag Improvements in cross cutter machines with rotary cutter drums
DE3145912A1 (de) 1980-11-19 1982-06-09 Etablissements Ruby S.A., 38500 Voiron, Isère Kontinuierlich arbeitende schneidevorrichtung zur herstellung von abschnitten mit abgerundeten schnittkanten, deren kruemmungen entgegengesetzt verlaufen
US5199341A (en) 1990-05-10 1993-04-06 Numerical Concepts, Inc. In-line, adjustable gap cutting sheeter for printed webs
US5127292A (en) * 1990-10-22 1992-07-07 Vinod Kapoor Apparatus and method for cutting and removing thin transverse strips from a moving web
US5609084A (en) * 1992-05-18 1997-03-11 Gronbjerg; Ib Machine for cutting a paper web into sheets with simultaneous cutting of a transverse strip
EP0622320A1 (fr) 1993-04-24 1994-11-02 bielomatik Leuze GmbH + Co Dispositif et procédé pour couper un matériel en feuilles
WO1995001245A1 (fr) 1993-07-01 1995-01-12 Ochsner + Co., Inh. G. Ochsner Procede et dispositif pour la coupe transversale de bandes de matiere
WO1995028261A1 (fr) * 1994-04-13 1995-10-26 Winkler & Dünnebier Emporte-piece souple et cylindre-support
US6030481A (en) * 1994-12-19 2000-02-29 Color Communications, Inc. Method and apparatus for manufacture of swatch bearing sheets
US6076444A (en) * 1997-08-01 2000-06-20 Best Cutting Die Company Panel cutting apparatus with selectable matrices for vacuum and air
EP1228995A1 (fr) * 2001-02-03 2002-08-07 Hunkeler AG Dispositif pour couper des bandes de matériau et méthode pour transférer des feuilles
WO2004110906A2 (fr) * 2003-06-06 2004-12-23 Advance Graphics Equipment Of York, Inc. Laminoir rotatif a organe d'aspiration ameliore pour retirer les rognures
EP1570960A2 (fr) 2004-03-01 2005-09-07 Bernhard Ehret Dispositif pour découper transversalement des bandes planes imprimées

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103420124A (zh) * 2013-09-03 2013-12-04 郑小玲 旋拨式裁切进料器
CN105881624A (zh) * 2015-02-12 2016-08-24 富士胶片株式会社 膜端部裁切方法、膜端部裁切装置、以及光学膜的制造方法
CN110282483A (zh) * 2019-07-31 2019-09-27 东莞市大禾智能设备有限公司 一种空气滤芯滤网贴边裁剪设备
CN110282483B (zh) * 2019-07-31 2024-05-31 东莞市大禾智能设备有限公司 一种空气滤芯滤网贴边裁剪设备
WO2024028757A1 (fr) * 2022-08-05 2024-02-08 Ot Lucca S.R.L. Machine d'entrepliage et procédé pour faire varier une longueur d'articles en feuille produits par la machine d'entrepliage

Also Published As

Publication number Publication date
US7798039B2 (en) 2010-09-21
ATE469740T1 (de) 2010-06-15
US20070234863A1 (en) 2007-10-11
JP2007253321A (ja) 2007-10-04
CN101073888A (zh) 2007-11-21
EP1837137B1 (fr) 2010-06-02
DE502006007084D1 (de) 2010-07-15
JP5171081B2 (ja) 2013-03-27

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