EP1644165B1 - Dispositif de perforation de differentes bandes d'une boudineuse destinee a produire des tuyaux flexibles multicouches - Google Patents

Dispositif de perforation de differentes bandes d'une boudineuse destinee a produire des tuyaux flexibles multicouches Download PDF

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Publication number
EP1644165B1
EP1644165B1 EP04725048A EP04725048A EP1644165B1 EP 1644165 B1 EP1644165 B1 EP 1644165B1 EP 04725048 A EP04725048 A EP 04725048A EP 04725048 A EP04725048 A EP 04725048A EP 1644165 B1 EP1644165 B1 EP 1644165B1
Authority
EP
European Patent Office
Prior art keywords
blades
support
rotate
rotary shafts
counterpressure
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.)
Expired - Lifetime
Application number
EP04725048A
Other languages
German (de)
English (en)
Other versions
EP1644165A1 (fr
Inventor
Achim Seeberger
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher 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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP1644165A1 publication Critical patent/EP1644165A1/fr
Application granted granted Critical
Publication of EP1644165B1 publication Critical patent/EP1644165B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member

Definitions

  • the invention relates to a device or a method for transverse perforation of several webs according to the preamble of claim 1 and of claim 6.
  • a device or a method having such features is known from US 5 882 287 A.
  • bags are necessary whose walls consist of different layers.
  • an inner, moisture-impermeable layer which often consists of a thin plastic film, be surrounded by a layer of paper which absorbs the forces caused by the transported goods.
  • the perforations serving to separate the tube sections must be introduced into each individual material web so that they are not congruent with the perforations of the other material webs.
  • staggered perforations are referred to as staggered cut perforations and can only be introduced into the individual webs prior to tube formation.
  • Devices for attaching staggered perforations include a sawtooth knife for each web to be perforated, which rotates about an axis, and a counter-pressure roller on which the web to be perforated runs and in whose grooves the teeth of the knife can dip.
  • a sawtooth knife for each web to be perforated, which rotates about an axis
  • a counter-pressure roller on which the web to be perforated runs and in whose grooves the teeth of the knife can dip.
  • This counterpressure roller provides the back pressure for the perforation process.
  • mainly grooving or brushing rollers are used.
  • the counter-pressure rollers are usually movable together.
  • all counter-pressure rollers are mounted on a support which is movable relative to the machine frame in which the axes about which the blades rotate are mounted.
  • the object of the invention is therefore to propose an apparatus and a method which are mechanically simpler.
  • the carrier is displaceable substantially along a line connecting the axes of the backup rolls and the axes about which the associated knives rotate.
  • linear guide means are arranged between the carrier and the machine frame, the guide direction is substantially parallel to the line connecting the axes of the counter-pressure roller and the axes of rotation about which the blades rotate. In this way it is possible to move the counter-pressure rollers in the radial direction to the axes of rotation of the knife.
  • the guide means comprise guide rails fixed to the support, which are displaceably mounted in guides fastened to the machine frame.
  • Such guide means allow the displacement of the carrier without a great effort.
  • tilting of the carrier is excluded, so that all counter-pressure rollers maintain a precisely uniform distance from the axis of rotation of the knife.
  • a linear drive is provided with which the carrier is movable relative to the machine frame.
  • various drives are conceivable, such as a linear motor or a manually operated traction means.
  • the linear drive comprises a spindle-spindle nut combination driven by a motor, by means of which the rotational movement of the motor axis via the spindle is converted into a linear movement of the spindle nut.
  • Figures 1 and 2 show a device with which 11 perforations can be introduced into the individual material webs.
  • a plurality of axes of rotation 2 are mounted, which carry the knife carrier 3.
  • the blades 4 are attached.
  • the distance of the outer edges of the knife 4 can be adjusted by means of a mechanism not described in detail. If the unit consisting of the axes of rotation 2, the knife carriers 3 and the knives 4 is set in rotation, the outer edges of the knives 4 cover the enveloping circle 5.
  • the distance of the counter-pressure rollers 7, on which the material webs 11 are guided, must be set to the diameter of the enveloping circle 5.
  • the counter-pressure rollers 7 are rotatably mounted in a carrier 6.
  • the one ends of a plurality of links 10 are rotatably mounted.
  • the other ends of the links 10 are rotatably mounted in the machine frame 1.
  • For the carrier 6 and thus for the counter-pressure rollers 7 results in a parallelogram-like leadership.
  • the adjustment of the distance of the counter-pressure rollers 7 to the axes of rotation 2 of the blade 4 is effected by the drive unit 12 which is rotatably connected to the machine frame 1.
  • the drive unit 12 includes a motor 13 which rotates a spindle nut, not shown, in rotation. As a result, the spindle 14 is moved relative to the drive unit 12. With the spindle 14, a lever 15 is fixed, which is also rotatably mounted in the carrier 6.
  • FIG. 1 shows the device described for a large section length of the hose pieces to be produced.
  • the spindle 14 is extended.
  • Figure 2 shows the same device, but for small hose section lengths. In this example, the spindle 14 is retracted.
  • Figures 3 and 4 show the inventive device for attaching perforations in the material webs 11.
  • the consisting of the axes of rotation 2, the knife holders 3 and the knives 4 units are rotatably mounted in the machine frame 1 as in the device according to the prior art.
  • the material web 11 is guided over the counter-pressure rollers 7 and the guide rollers 9.
  • the counter-pressure rollers 7 and the guide rollers 9 are rotatably mounted in a carrier 17.
  • This carrier 17 may have the contour shown, wherein the carrier comprises the axes of rotation 2 of the knife 4 like a pincers. This contour makes it possible to save installation space and thus to make the device more compact.
  • rails 18 are fixed, which are mounted displaceably in the machine frame 1 mounted guides 19.
  • the rails 18 and the guides 19 are aligned parallel to the straight lines which are defined by the axes of rotation of the counter-pressure rollers 7 and the axis of rotation 2 of the blades.
  • the resulting direction of movement of the carrier 17 is represented by the double arrow A.
  • the adjustment of the distance between the counter-pressure rollers 7 and the axes of rotation 2 of the knife via the motor 13 which is fixed to the machine frame 1 and the spindle 14 is set in rotation.
  • This spindle 14 acts on a fixed to the carrier 17 spindle nut 16 and can put the carrier in a linear movement.
  • FIG. 3 shows the operating situation analogous to FIG.
  • FIG. 4 shows the operating situation analogous to FIG. LIST OF REFERENCE NUMBERS 1 machine frame 2 Rotary axis of the knives 3 knife holder 4 knife 5 enveloping circle 6 carrier 7 Backing roll 8th holder 9 deflecting 10 handlebars 11 web 12 drive unit 13 engine 14 spindle 15 lever 16 spindle nut 17 carrier 18 rails 19 guides 20 A Direction of movement of the carrier 17

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Punching Or Piercing (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (6)

  1. Dispositif de perforation transversale de plusieurs bandes (11), où le dispositif comprend plusieurs axes de rotation (2), autour desquels tournent des lames (4) et plusieurs cylindres de contre-pression (7), où entre à chaque fois une lame (4) et un cylindre de contre-pression (7), une bande à perforer (11) passe et où les cylindres de contre-pression (7) sont disposés d'une manière mobile sur un support (6, 17) par rapport au bâti de machine (1) dans lequel sont logés les axes de rotation (2) des lames (4), au moyen duquel (6, 17) l'écart des cylindres de contre-pression (7) aux axes de rotation (2) des lames (4) pour tous les cylindres de contre-pression (7) est réglable simultanément à la même valeur,
    caractérisé en ce que
    le support (17) est déplaçable sensiblement parallèlement à une ligne qui relie les axes des cylindre de contre-pression (7) et les axes de rotation (2) autour desquels tournent les lames (4).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    entre le support (17) et le bâti de machine (1), des moyens de guidage linéaires (18, 19) sont disposés, dont la direction de guidage s'étend sensiblement parallèlement à la ligne (A) qui relie les axes des cylindres de contre-pression (7) et les axes de rotation (2) autour desquels tournent les lames (4).
  3. Dispositif selon la revendication 2,
    caractérisé en ce que
    les moyens de guidage comprennent des rails de roulement (18) fixés au support (17), qui sont logés d'une manière déplaçable dans des guidages (19) fixés au bâti de machine (1).
  4. Dispositif selon l'une des revendications précédentes,
    caractérisé par
    une commande linéaire (13, 14, 16) au moyen de laquelle le support (17) est déplaçable relativement au bâti de machine (1).
  5. Dispositif selon la revendication 4,
    caractérisé en ce que
    la commande linéaire comprend une broche (14) entraînée par le moteur (13) qui agit sur un écrou de broche (16) fixé au support (17).
  6. Procédé de perforation transversale de plusieurs bandes (11), où le dispositif pour l'exécution du procédé comprend plusieurs axes de rotation (2) autour desquels tournent des lames (4) et plusieurs cylindres de contre-pression (7), où passe entre à chaque fois une lame (4) et un cylindre de contre-pression (7) une bande à perforer (11), et où les cylindres de contre-pression (7) sont déplacés sur un support (6, 17) par rapport au bâti de machine (1), dans lequel sont logés les axes de rotation (2) des lames (4), au moyen duquel (6, 17) l'écart des cylindres de contre-pression (7) aux axes de rotation (2), autour desquels tournent les lames (4), est réglé pour tous les cylindres de contre-pression (7) simultanément à la même valeur,
    caractérisé en ce que
    le support (17) est déplacé sensiblement parallèlement à une ligne (17) qui relie les axes des cylindres de contre-pression (7) et les axes de rotation (2) autour desquels tournent les lames (4).
EP04725048A 2003-04-26 2004-04-01 Dispositif de perforation de differentes bandes d'une boudineuse destinee a produire des tuyaux flexibles multicouches Expired - Lifetime EP1644165B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10318822A DE10318822B4 (de) 2003-04-26 2003-04-26 Vorrichtung zur Perforation einzelner Bahnen in einer Schlauchmaschine zur Herstellung von mehrlagigen Schläuchen
PCT/EP2004/003637 WO2004096508A1 (fr) 2003-04-26 2004-04-01 Dispositif de perforation de differentes bandes d'une boudineuse destinee a produire des tuyaux flexibles multicouches

Publications (2)

Publication Number Publication Date
EP1644165A1 EP1644165A1 (fr) 2006-04-12
EP1644165B1 true EP1644165B1 (fr) 2006-12-06

Family

ID=33393891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04725048A Expired - Lifetime EP1644165B1 (fr) 2003-04-26 2004-04-01 Dispositif de perforation de differentes bandes d'une boudineuse destinee a produire des tuyaux flexibles multicouches

Country Status (7)

Country Link
EP (1) EP1644165B1 (fr)
JP (1) JP4708331B2 (fr)
AT (1) ATE347473T1 (fr)
BR (1) BRPI0407961B1 (fr)
DE (2) DE10318822B4 (fr)
ES (1) ES2276289T3 (fr)
WO (1) WO2004096508A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9592619B2 (en) 2010-08-09 2017-03-14 Pantec Ag Device for processing or generating break lines in flat products

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897730A (en) * 1955-11-07 1959-08-04 St Regis Paper Co Apparatus for manufacturing bag tubes
FR2382328A1 (fr) * 1977-03-03 1978-09-29 Giulianotto Louis Doublage productif de sacs ou formats sur toutes machines dotees d'un systeme de perforation, tension reglable et arrachement
DE3808143A1 (de) * 1988-03-11 1989-09-21 Goebel Gmbh Maschf Einrichtung zum lagern
DE4401723A1 (de) * 1994-01-21 1995-07-27 Windmoeller & Hoelscher Vorrichtung zum Herstellen eines mehrlagigen Schlauches zur Sackherstellung
DE19504162C2 (de) * 1995-02-08 1997-02-20 Windmoeller & Hoelscher In ihrem Durchmesser veränderbare Messerwalze
DE19930686B4 (de) * 1999-07-02 2005-11-24 Windmöller & Hölscher Kg Vorrichtung zum Querperforieren von Bahnen
EP1072369B1 (fr) * 1999-07-26 2003-09-17 Heidelberger Druckmaschinen Aktiengesellschaft Mécanisme de déphasage pour le dispositif de perforation d'une plieuse à produit variable
WO2002042060A1 (fr) * 2000-11-21 2002-05-30 Frantschach Industrial Packaging Austria Gmbh Procede de fabrication d'un sac en papier et sac en papier

Also Published As

Publication number Publication date
DE10318822B4 (de) 2005-05-25
BRPI0407961A (pt) 2006-03-07
DE10318822A1 (de) 2004-12-02
WO2004096508A1 (fr) 2004-11-11
JP4708331B2 (ja) 2011-06-22
ES2276289T3 (es) 2007-06-16
ATE347473T1 (de) 2006-12-15
DE502004002251D1 (de) 2007-01-18
BRPI0407961B1 (pt) 2014-04-29
EP1644165A1 (fr) 2006-04-12
JP2006524580A (ja) 2006-11-02

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