EP0602344B1 - Dispositif pour sépares des sections tubulaires perforées - Google Patents

Dispositif pour sépares des sections tubulaires perforées Download PDF

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Publication number
EP0602344B1
EP0602344B1 EP93116832A EP93116832A EP0602344B1 EP 0602344 B1 EP0602344 B1 EP 0602344B1 EP 93116832 A EP93116832 A EP 93116832A EP 93116832 A EP93116832 A EP 93116832A EP 0602344 B1 EP0602344 B1 EP 0602344B1
Authority
EP
European Patent Office
Prior art keywords
rollers
tearing
separating device
control element
advancement
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
EP93116832A
Other languages
German (de)
English (en)
Other versions
EP0602344A1 (fr
Inventor
Fritz Achelpohl
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 EP0602344A1 publication Critical patent/EP0602344A1/fr
Application granted granted Critical
Publication of EP0602344B1 publication Critical patent/EP0602344B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H35/10—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 devices for breaking partially-cut or perforated webs, e.g. bursters
    • 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/10—Methods
    • Y10T225/16—Transversely of continuously fed 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
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/35—Work-parting pullers [bursters]

Definitions

  • the invention relates to a separating device for separating perforated hose sections according to the preamble of claim 1.
  • Such a separation device is known for example from DE 41 13 792 A1.
  • a tubular web is moved by the preferred mechanism at a certain feed rate.
  • the tubular web runs through the tear-off device connected downstream in the conveying direction, without the rollers or rollers of the tear-off engine or the belts guided over it engaging with the tubular web.
  • the rolls or rollers of the tear-off mechanism are placed against the tubular web and driven at a higher peripheral speed than the rollers or rollers of the preferred mechanism in order to tear off the tubular section.
  • the opposing rollers or rollers of the preferred mechanism are wrapped in endless belts.
  • the hose track consequently runs in a serpentine shape between the rollers and rollers.
  • the upper rollers of the preferred mechanism can be pivoted about the axis of a roller.
  • a pneumatic piston-cylinder unit presses the upper rollers against the belt of the lower rollers at constant pressure.
  • the piston-cylinder unit is used here only for pressing the upper belt against the lower belt with a predetermined constant pressure.
  • the piston-cylinder unit is not regulated.
  • the object of the invention is therefore to develop a generic separating device in such a way that the tubular web is securely held in the preferred work during the tear-off process.
  • the problem is solved by a separating device according to the preamble of claim 1 by the characterizing features of claim 1.
  • the preferred mechanism also has a control element, by means of which the rollers or rollers of the preferred mechanism can be adjusted in the transverse direction to the tubular path to increase the contact pressure acting on the tubular web at the moment of the tearing process, and that the control element of the preferred mechanism is synchronized with the control element of the tearing mechanism, whereby the axes of rotation of the opposing rollers of the preferred mechanism or of the tear-off mechanism are perpendicular to one another and rubber rings are at least partially mounted on the circumference of the rollers or rollers of the preferred mechanism.
  • the rollers or rollers are simultaneously pressed more against one another via the control element of the preferred mechanism, so that the between the rollers or Rolls or between the tubular web arranged on these running belts is securely fixed at the time the tensile force is introduced.
  • the good contact pressure also results from the fact that the axes of rotation of the opposing rollers of the preferred mechanism or the tear-off mechanism lie in a plane perpendicular to the tubular path.
  • control elements of the preferred and tear-off mechanism can consist of cam disks which are coupled to one another.
  • the rollers or rollers of the preferred mechanism which can be adjusted via the control element, can be mounted in a displaceable frame which is preloaded in the direction of the tubular web.
  • This pretension can be generated, for example, by a pneumatic piston-cylinder unit which acts on the one hand on the displaceable and on the other hand on the machine frame.
  • adjustable rollers or rollers of the tear-off mechanism are also mounted in the frame via an adjustable spring force. This is particularly advantageous when conveying tubular webs with different layers. This ensures that if the contact point is sufficient for a double-layered tube sheet, this is not too high, for example, for a six-layered tube sheet.
  • FIG. 1 shows a schematic side view of an embodiment of the separating device according to the invention.
  • a separating device 10 for separating perforated tube sections from a tubular web 12 consists of a tear-off mechanism 14 and a preferred mechanism 16.
  • the tear-off mechanism 14 is arranged behind the preferred mechanism 16 in the conveying direction (arrow a), as can be seen from the figure.
  • the preferred mechanism 16 and the tear-off mechanism 14 each consist of rollers or rollers 18, 20 or 22, 24 arranged on both sides of the tubular web 12, over which belts 26, 28 and 30, 32, which are driven in a known manner, run.
  • the axes of rotation of opposing rollers or rollers 18 and 20 or 22 and 24 each lie in a plane perpendicular to the tubular path. This means that the tubular web 12 is pressed along a line of contact between the rolls or rollers. The contact pressure is evened out by the circumferential belts 26, 28 and 30, 32.
  • rollers or rolls 18 and 20 or the belts 26 and 28 of the preferred mechanism 16 running around them are always in contact with the tubular web
  • the rollers or rollers 22 and 24 or the belts 30 and 32 running over them are the tear-off mechanism 14 engages with the tube sheet only when a tube section is to be torn off. Otherwise there is an air gap of approximately 1 mm between the circumferential surface of the rollers or rollers 22 and 24 or the belts 30 and 32 running on these and the surface of the tubular web 12.
  • the rollers 24 arranged below the tubular web 12, which are mounted in a frame 34, are pressed against the tubular web 12 in such a way that the latter between the upper rollers 22 and the lower rollers 24 or on these running belts 30 and 32 clamped and subtracted at a difference in speed to the preferred speed.
  • the rollers or rollers 24 are adjusted in that the frame 34, which is displaceably mounted in a guide 36, is displaced across a cam disk 38 transversely to the preferred direction a of the tubular web 12.
  • the rollers 24 are advantageously mounted in the frame 34 with an adjustable spring force. This is not shown in the figure.
  • the adjustable spring force can be achieved, for example, in that a carrier 40, via which the frame 34 is mounted in the guide 36, has a longitudinally elastic bushing with hard rubber elements or the like.
  • the rollers or rollers 20 of the preferred mechanism are mounted in a frame 42.
  • the frame 42 is mounted in guides 44 so as to be displaceable in the direction of the tubular web 12.
  • a pneumatic piston-cylinder unit 46 engages, which is mounted at its other free end in the machine frame.
  • the rollers or rollers 20 are pressed against the rollers or rollers 18 with a defined pressure via the pneumatic piston-cylinder unit.
  • rollers or rollers 18 of the preferred mechanism arranged opposite the rollers or rollers 20 have rubber rings 48 on the circumference.
  • rollers or rollers 20 and the circumferential band 28 as well as the tubular web 12 and the circumferential band 26 are pressed into the circumferential rubber rings 48 of the rollers 18. This ensures good contact.
  • the frame 42 is also moved transversely onto the tubular web 12 via a cam disk 50, so that the rollers or rollers 20 are raised Pressing force can be pressed against the web 12. This ensures good retention of the tubular web 12 during the introduction of the tensile force to the web 12 by the tear-off mechanism 14.
  • the contact pressure of the rollers or rollers 20 is then reduced again due to the control by the cam disk 50. This is important, since otherwise cross glue strips would be damaged due to excessive contact pressure in the preferred factory.
  • the pneumatic piston-cylinder unit 46 is controlled in such a way that the contact pressure of the rollers or rollers is reduced when passing through a transverse glue seam.

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Making Paper Articles (AREA)
  • Advancing Webs (AREA)
  • Details Of Cutting Devices (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (5)

  1. Dispositif de séparation pour séparer des tronçons tubulaires perforés avec un appareil de traction (16) et un appareil d'arrachage (14), qui présente respectivement aux deux côtés de la gaine tubulaire à séparer des rouleaux ou cylindres qui se font face (18 et 20 et, respectivement 22 et 24) sur lesquels passent les bandes de transport sans fin (26, 28 et, respectivement 30, 32), les rouleaux (22 et 24) de l'appareil d'arrachage (10) pouvant être déplacés par l'intermédiaire d'un élément de commande (34, 38 et 40) en direction de la gaine tubulaire, caractérisé en ce que l'appareil de traction (16) présente également un élément de commande (42 et 50) par lequel les rouleaux ou cylindres (20) du dispositif de traction (16), pour augmenter la pression d'application agissant sur la gaine tubulaire, sont ajustables au moment de l'opération d'arrachage dans la direction transversale à la gaine tubulaire, et en ce que l'élément de commande (42, 50) de l'appareil de traction (16) est synchronisé avec l'élément de commande (34, 38 et 40) de l'appareil d'arrachage (10), les axes de rotation des cylindres qui se font face (18, 20 et, respectivement 22, 24) de l'appareil de traction (16) et, respectivement de l'appareil d'arrachage (10) se trouvent verticalement l'un au-dessus de l'autre et où on a monté au moins partiellement sur les rouleaux ou cylindres (18) du dispositif de traction (16) des anneaux en caoutchouc au pourtour.
  2. Dispositif de séparation selon la revendication 1, caractérisé en ce que les éléments de commande du dispositif de traction et d'arrachage (14, 16) sont constitués de disques à cames (38, 50) qui sont accouplés les uns aux autres.
  3. Dispositif de séparation selon l'une des revendications 1 et 2, caractérisé en ce que les cylindres (20) de l'appareil de traction (16) applicables par l'élément de commande (42 et 50) sont logés dans un châssis déplaçable (42) qui est sollicité sous précontrainte en direction de la gaine tubulaire (12).
  4. Dispositif de séparation selon l'une des revendications 1 à 3, caractérisé en ce que sont montés au moins partiellement sur les rouleaux ou cylindres (18), notamment de l'appareil de traction (16), des anneaux en caoutchouc (48) sur le pourtour.
  5. Dispositif de séparation selon l'une des revendications 1 à 4, caractérisé en ce que les rouleaux ou cylindres applicables de l'appareil d'arrachage (14) sont logés par une force de ressort réglable dans le châssis (34).
EP93116832A 1992-12-18 1993-10-19 Dispositif pour sépares des sections tubulaires perforées Expired - Lifetime EP0602344B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4243105A DE4243105C2 (de) 1992-12-18 1992-12-18 Trenneinrichtung zum Abtrennen perforierter Schlauchabschnitte
DE4243105 1992-12-18

Publications (2)

Publication Number Publication Date
EP0602344A1 EP0602344A1 (fr) 1994-06-22
EP0602344B1 true EP0602344B1 (fr) 1996-07-17

Family

ID=6475849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116832A Expired - Lifetime EP0602344B1 (fr) 1992-12-18 1993-10-19 Dispositif pour sépares des sections tubulaires perforées

Country Status (9)

Country Link
US (1) US5480083A (fr)
EP (1) EP0602344B1 (fr)
JP (1) JP3534802B2 (fr)
CA (1) CA2111818C (fr)
CZ (1) CZ283176B6 (fr)
DE (2) DE4243105C2 (fr)
ES (1) ES2090815T3 (fr)
SK (1) SK279229B6 (fr)
TW (1) TW267966B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4440660C2 (de) * 1994-11-14 1998-12-03 Windmoeller & Hoelscher Trenneinrichtung zum Abtrennen perforierter Schlauchabschnitte
DE69811872T2 (de) * 1997-04-03 2003-08-28 Ebrahim Simhaee Kontinuierliche rolle von kunststoffbeuteln
IT1303492B1 (it) * 1997-05-06 2000-11-06 Windmoeller & Hoelscher Dispositivo per la separazione di tratti di nastro tubolare da unnastro tubolare dotato di linee di perforazione trasversali.
WO1998056548A1 (fr) * 1997-06-12 1998-12-17 Durel Corporation Procede et appareil permettant de decouper des lampes electroluminescentes a partir de panneaux
US7156274B2 (en) * 1999-08-17 2007-01-02 Pufahl Joseph A Media separating apparatus and method
US6702170B1 (en) * 1999-08-17 2004-03-09 Joseph A. Pufahl Media separating apparatus and method
GB0300381D0 (en) * 2003-01-08 2003-02-05 Ncr Int Inc Detector
EP1471023B1 (fr) * 2003-04-16 2005-11-23 Newlong Industrial Co., Ltd. Dispositif de rupture pour des matériaux en bande
US7343723B2 (en) * 2004-01-27 2008-03-18 Free-Flow Packaging International, Inc. Method and apparatus for pre-tearing strings of air-filled packing materials and the like
US7571589B2 (en) * 2004-07-15 2009-08-11 Storopack, Inc. Apparatus for and method of producing and/or separating a string of interconnected packing cushions
US20060059865A1 (en) * 2004-09-22 2006-03-23 Free-Flow Packaging International, Inc. Method and apparatus for pre-tearing strings of air-filled packing materials
NL1032097C2 (nl) * 2006-06-30 2008-01-02 Ideepak Holding B V Inrichting voor het scheiden van aan elkaar verbonden kussens, alsmede samenstel van een dergelijke inrichting en een inrichting voor het vervaardigen van onderling verbonden kussens.
CN112408054A (zh) * 2020-10-20 2021-02-26 浙江龙潇医疗科技有限公司 一种生产口罩的边角料收集装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140621A (en) * 1962-04-02 1964-07-14 Guthrie B Stone Pulley hub with crowned outer face
GB1333161A (en) * 1970-01-30 1973-10-10 Windmoeller & Hoelscher Severing apparatus for severing lengths of tube from flattened scored tubing
DE3220892A1 (de) * 1982-06-03 1983-12-08 Icoma Packtechnik GmbH, 7590 Achern Trenneinrichtung zum abtrennen perforierter papierschlauchabschnitte
DE4113792C2 (de) * 1991-04-26 1998-11-26 Icoma Fbs Gmbh Packtechnik Trenneinrichtung zum Abtrennen perforierter Papierschlauchabschnitte
DE4134834A1 (de) * 1991-06-05 1992-12-10 Windmoeller & Hoelscher Vorrichtung zum trennen von abschnitten von einer mit querperforationen versehenen materialbahn

Also Published As

Publication number Publication date
CA2111818A1 (fr) 1994-06-19
SK140393A3 (en) 1994-06-08
TW267966B (fr) 1996-01-11
SK279229B6 (sk) 1998-08-05
DE4243105A1 (de) 1994-06-23
CA2111818C (fr) 2004-03-23
CZ264793A3 (en) 1994-11-16
DE59303255D1 (de) 1996-08-22
DE4243105C2 (de) 1997-08-28
US5480083A (en) 1996-01-02
EP0602344A1 (fr) 1994-06-22
CZ283176B6 (cs) 1998-01-14
JPH06210600A (ja) 1994-08-02
ES2090815T3 (es) 1996-10-16
JP3534802B2 (ja) 2004-06-07

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