EP0864404B1 - Méthode ainsi que dispositif pour la perforation de pièces obtenues d'un matériau plat - Google Patents

Méthode ainsi que dispositif pour la perforation de pièces obtenues d'un matériau plat Download PDF

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Publication number
EP0864404B1
EP0864404B1 EP19980103778 EP98103778A EP0864404B1 EP 0864404 B1 EP0864404 B1 EP 0864404B1 EP 19980103778 EP19980103778 EP 19980103778 EP 98103778 A EP98103778 A EP 98103778A EP 0864404 B1 EP0864404 B1 EP 0864404B1
Authority
EP
European Patent Office
Prior art keywords
holding
belt
roller
cut sections
perforating
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
EP19980103778
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German (de)
English (en)
Other versions
EP0864404A3 (fr
EP0864404A2 (fr
Inventor
Heinz Faustmann
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0864404A2 publication Critical patent/EP0864404A2/fr
Publication of EP0864404A3 publication Critical patent/EP0864404A3/fr
Application granted granted Critical
Publication of EP0864404B1 publication Critical patent/EP0864404B1/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
    • B26F1/24—Perforating by needles or pins
    • 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
    • Y10T83/0481—Puncturing
    • 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6584—Cut made parallel to direction of and during work movement
    • Y10T83/6604—Tool in contact with surface of work-conveying 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6584—Cut made parallel to direction of and during work movement
    • Y10T83/6633—By work moving flexible chain or conveyor

Definitions

  • the invention relates to a method for perforating individual blanks a flat material from the group leather, synthetic leather, foams, Paper, filter paper, cardboard and foils according to the preamble of the claim 1 and a device therefor according to the preamble of the claim 6th
  • Perforation processes are used to make flat material either air and vapor permeable, i.e. breathable, make, or e.g. Filter papers a to give certain filter characteristics.
  • the main areas of application are Cover materials for vehicle seats, parts for shoes, gloves, clothing and filter papers.
  • the average Needle and perforation density per unit area is therefore low and not sufficient for many cases.
  • the known device of irregularly sized blanks neither intended nor suitable because it cannot be prevented can that the needles edge portions of the blanks between the steel strips pull out upwards, causing the device to lock can.
  • the CH 550 057 A has made it known that plastically deformable sheets, especially those from unvulcanized raw tread strips for retreading of vehicle tires made of a rubber compound, temporarily perforate for the purpose that inclusions of air and Water vapor can escape when applied, causing the perforations when vulcanizing by completely flowing the material be closed again.
  • Such raw tread strips are proportional thick, because they also have to be profiled, which a depth of several millimeters, e.g. 8 to 10 mm, must have, since the Legislators have a minimum profile depth of 1 to 2 mm at the end of the term prescribes without the carcass of textile threads Tire becomes visible.
  • two parallel, mechanical synchronized, revolving pairs of coarse-link endless chains (Roller chains) used by elbows and with holes provided steel plates are connected and the tracks on both sides accompany.
  • the spaced steel plates are screwed in on one side of the tracks Provide needles and on the opposite side with equally spaced steel plates with conical through holes for the needles. Because the needles circulate on curved paths perform a pivoting movement, it is required that either the Roller chains with the needles on linear tracks or those with very large radii of curvature are performed, or that the roller chains with the needles in the perforation area on linear paths and the ones to be perforated Strips of material run on a slightly curved path become. For the use of needle rollers densely equipped with needles no information is given, the known device also enables no close-knit perforation of sheets of great width, only of endless strips of narrow width.
  • DE 22 04 855 A deals with the perforation of thermoplastic Endless films, in particular for the production of "car headlights" from composite materials with textile fibers, by locally melting the film in the hole area by means of heated needles and reveals in addition to discontinuous Process also a continuous process with a heated one Needle roller and a hollow perforated roller surrounding this eccentrically a much larger diameter that has a wiper function. Between this perforated roller and a stationary flat contact surface the slide slidably so that the needles are not in this platen can penetrate and reliable perforation is not guaranteed. With cold, i.e. Such a procedure cannot be carried out on unheated needles become.
  • the well-known is also for finite material such as blanks Device not suitable because a conveyor belt for the film material is not is present and this film material itself takes on the transport function got to.
  • the area distribution of the holes must be that be adapted to the area distribution of the needles and there must be a mechanical Synchronization can be brought about, causing the device must be constructed accordingly expensive.
  • Even as mandatory heating of the needles to a temperature above the Melting point of the plastic and that described as advantageous Preheat the film to a temperature below the melting point of the plastic requires extensive construction and requirements Operation of such a device.
  • As a universal machine for the optional Perforating irregular products made of plastics, leather and leather substitutes for producing breathability is the well-known and very elaborately designed machine neither intended nor suitable.
  • the invention is therefore based on the object of a simple perforation method and to provide a simple device with which too finite and irregular or irregular sections of the perforating material with even distribution of the perforation holes and high hole density per unit area can be perforated without that the perforation process is blocked.
  • Such a method and such a device can with particular Advantage to be applied to leather and cuts from it, because of this For natural reasons, material only comes in finite sizes.
  • the process is carried out with a continuous flow of the blanks.
  • the hold-down belt is synchronized with the needle roller (s) alone the blanks through the nip of the at least one needle roller guided.
  • Such a hold-down strap - of limited length - can be of one Supply roll pulled off, tensioned through the nip between the at least one needle roller and that on the conveyor transported blanks and then for renewed and especially multiple uses again on a take-up roll be wound up.
  • the hold-down strap as a consumable use and glue it to the blanks, for example to make thin leather more resistant and then the composite is broken down into individual blanks.
  • the hold-down belt is an endless belt is executed and several times with the transport speed of the Blanks through the effective range of the at least one needle roller, i.e. is passed through the nip.
  • Textile tapes in particular, can be used as material for such hold-down tapes
  • Fabric tapes that are used have a sufficient lifespan compared to the perforation needles.
  • Such a device is also suitable as a universal device for the Perforating continuous material with high and even hole density, conversely, prior art devices are not for the perforation of irregular or irregular cuts suitable. It is with the subject of the invention by a corresponding Number of perforation needles without further hole densities with a single one Needle roller to reach up to 50 holes per square centimeter.
  • the action of the hold-down strap is particularly advantageous if one guide roller in front of the first and one behind the last needle roller is arranged through which the hold-down tape on the blanks is held. By this means, the wrap angle of Needle rollers are kept as small as possible and the hold-down belt is protected.
  • FIGS. 1 and 2 Two embodiments of the subject matter of the invention are as follows explained in more detail with reference to FIGS. 1 and 2:
  • a machine frame 1 is shown on which a conveyor 2 is located, which is designed as an endless conveyor belt 3. This is guided over two deflection rollers 4 and 5 and three support rollers 6 and consists of a tensile material, of which at least the outer Surface is soft and made of foam, a fleece or made of felt.
  • the pedestals, drives and clamping devices are not shown for the sake of simplicity.
  • needle roller 7 there is a needle roller 7 above the support rollers 6, each parallel to the axis
  • the number of needle rollers is variable and depends on the required Degree of perforation density behind the three needle rollers shown the last needle roller 7, for example, 150 holes per square centimeter can be.
  • the support rollers 6 and the needle rollers 7 each form one between them Roll nip 8, through - seen in order from the bottom up -
  • the conveyor belt 3, the blanks 9 and a hold-down in the form a finite hold-down band 10 are passed through.
  • This Hold-down belt 10 comes from a supply roll 11 and is on a Take-up roll 12 rewound, both in a support frame 13 are stored.
  • the drive and braking (neither shown) will Hold-down belt 10 held around the deflection rollers 14 under tension.
  • the hold-down belt 10 is by guide rollers 15 and 16 downwards and horizontally stretched on the blanks 9 held, with the perforation needles also the hold-down tape penetrate.
  • the blanks 9 are at the left end of the conveyor 2 placed and fall in a perforated state in a receptacle 17th
  • FIG. 2 in which the same reference numerals are used, differs differs from FIG. 1 in that an endless hold-down belt 10a is used is by the horizontal displacement of the right deflection roller 14th is held tensioned by a tensioning device 18, which by a Double arrow is indicated.
  • the thickness ratios and the needle lengths are exaggerated.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Making Paper Articles (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Advancing Webs (AREA)
  • Forging (AREA)

Claims (10)

  1. Procédé pour perforer des flans individuels (9) d'un matériau plat du groupe comprenant le cuir, les imitations de cuir, les produits en mousse, le papier, le papier-filtre, le carton et les films, avec une forte densité de trous par unité de surface à l'aide d'au moins un cylindre à aiguilles (7) en rotation avec des aiguilles de perforation, dans lequel les flans (9) sont guidés par un dispositif de convoyage sans fin (2) jusque dans la zone d'action dudit au moins un cylindre à aiguilles, et sont tirés depuis les aiguilles de perforation par au moins un dispositif de maintien vers le bas, caractérisé en ce que les flans (9) sont maintenus sur le dispositif de convoyage (2) par une bande de maintien vers le bas (10, 10a) déplacée de manière synchrone avec le dispositif de convoyage (2), et en ce que la bande de maintien vers le bas est réalisée en un matériau qui laisse traverser les aiguilles de perforation.
  2. Procédé selon la revendication 1, caractérisé en ce que l'on utilise une bande textile à titre de bande de maintien vers le bas (10, 10a).
  3. Procédé selon la revendication 2, caractérisé en ce que l'on utilise une bande de tissu à titre de bande de maintien vers le bas (10, 10a).
  4. Procédé selon la revendication 1, caractérisé en ce que la bande de maintien vers le bas (10, 10a) est guidée à travers la zone d'action dudit au moins un cylindre à aiguilles (7).
  5. Procédé selon la revendication 1, caractérisé en ce que la bande de maintien vers le bas (10a) est réalisée sous forme de bande sans fin et est guidée plusieurs fois à la vitesse de transport des flans (9) à travers la zone d'action dudit au moins un cylindre à aiguilles (7).
  6. Appareil pour perforer des flans individuels (9) en matériau plat du groupe comprenant le cuir, les imitations de cuir, les produits en mousse et des films avec une forte densité de trous par unité de surface, comprenant un dispositif de convoyage (2) pour le matériau plat, au moins un cylindre à aiguilles (7) avec des aiguilles de perforation, et au moins un dispositif de maintien vers le bas, lequel est agencé entre le dispositif de convoyage (2) est ledit au moins un cylindre à aiguilles (7) et au moyen duquel les flans individuels (9) peuvent être tirés depuis les aiguilles de perforation, caractérisé en ce que le dispositif de maintien vers le bas est réalisé sous forme de bande de maintien vers le bas (10, 10a) dont le matériau laisse traverser les aiguilles de perforation, et qui est susceptible d'être passé de manière synchrone avec les flans (9) à travers un entrefer de cylindre (8) entre ledit au moins un cylindre à aiguilles (7) et le dispositif de convoyage (2).
  7. Appareil selon la revendication 6, caractérisé en ce que la bande de maintien vers le bas (10, 10a) est une bande textile.
  8. Appareil selon la revendication 7, caractérisé en ce que la bande de maintien vers le bas (10, 10a) est une bande de tissu.
  9. Appareil selon la revendication 6, caractérisé en ce que la bande de maintien vers le bas (10a) est réalisée sous forme de bande sans fin.
  10. Appareil selon la revendication 6, caractérisé en ce que devant le premier cylindre à aiguilles (7) et au moins derrière le dernier cylindre à aiguilles (7) est agencé un cylindre de guidage respectif (15, 16) au moyen duquel la bande de maintien vers le bas (10, 10a) est susceptible d'être maintenue sur les flans (9).
EP19980103778 1997-03-13 1998-03-04 Méthode ainsi que dispositif pour la perforation de pièces obtenues d'un matériau plat Expired - Lifetime EP0864404B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19710350 1997-03-13
DE1997110350 DE19710350C2 (de) 1997-03-13 1997-03-13 Verfahren und Vorrichtung zum Perforieren von Zuschnitten aus Flachmaterial

Publications (3)

Publication Number Publication Date
EP0864404A2 EP0864404A2 (fr) 1998-09-16
EP0864404A3 EP0864404A3 (fr) 1999-05-06
EP0864404B1 true EP0864404B1 (fr) 2003-12-17

Family

ID=7823218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980103778 Expired - Lifetime EP0864404B1 (fr) 1997-03-13 1998-03-04 Méthode ainsi que dispositif pour la perforation de pièces obtenues d'un matériau plat

Country Status (7)

Country Link
US (1) US6152001A (fr)
EP (1) EP0864404B1 (fr)
JP (1) JPH10309698A (fr)
AT (1) ATE256538T1 (fr)
BR (1) BR9800889A (fr)
DE (2) DE19710350C2 (fr)
ZA (1) ZA981917B (fr)

Families Citing this family (12)

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US6591722B1 (en) * 2000-10-25 2003-07-15 Donald Sauer Book recycling apparatus
DE10142090A1 (de) * 2001-08-30 2003-03-27 Franz Josef Hoffacker Verfahren und Vorrichtung zum Verlegen von bahnförmigem Abdeckmaterial auf Beeten für Pflanzen
US6737029B2 (en) * 2001-12-07 2004-05-18 Jimmie D. Miller Method and apparatus for sterilizing mail
GB2400377A (en) * 2003-04-11 2004-10-13 Pittards Plc Moisture vapour permeable leather
US20090163115A1 (en) * 2007-12-20 2009-06-25 Spirit Aerosystems, Inc. Method of making acoustic holes using uv curing masking material
US7871027B2 (en) * 2008-02-13 2011-01-18 Techko, Inc. Auto feed shredder apparatus and methods
DE102011078789C5 (de) * 2011-07-07 2020-10-29 Lisa Dräxlmaier GmbH Bauteil für ein Fahrzeug mit Airbag
US20140060273A1 (en) * 2012-08-30 2014-03-06 Columbia Sportswear North America, Inc. Method and apparatus for cutting of fabric
DE102013219831A1 (de) 2013-09-30 2015-04-02 Takata AG Perforiervorrichtung
CN103832806B (zh) * 2014-02-25 2015-10-28 新昌县七星街道伟畅五金机械厂 辊式铅泥摊平装置
US10232525B2 (en) * 2014-06-12 2019-03-19 Diopass Sprl Film perforation device
CN105881645A (zh) * 2016-06-21 2016-08-24 胡承平 一种塑料袋通气孔开设装置

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Also Published As

Publication number Publication date
EP0864404A3 (fr) 1999-05-06
US6152001A (en) 2000-11-28
ZA981917B (en) 1998-09-08
DE19710350C2 (de) 1999-08-19
BR9800889A (pt) 1999-09-21
EP0864404A2 (fr) 1998-09-16
DE59810430D1 (de) 2004-01-29
JPH10309698A (ja) 1998-11-24
ATE256538T1 (de) 2004-01-15
DE19710350A1 (de) 1998-09-17

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