EP0216085B1 - Vorrichtung zum kernlosen Aufwickeln von von einer Materialbahn längs einer Querperforation abgerissenen Bahnabschnitten - Google Patents

Vorrichtung zum kernlosen Aufwickeln von von einer Materialbahn längs einer Querperforation abgerissenen Bahnabschnitten Download PDF

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Publication number
EP0216085B1
EP0216085B1 EP86110647A EP86110647A EP0216085B1 EP 0216085 B1 EP0216085 B1 EP 0216085B1 EP 86110647 A EP86110647 A EP 86110647A EP 86110647 A EP86110647 A EP 86110647A EP 0216085 B1 EP0216085 B1 EP 0216085B1
Authority
EP
European Patent Office
Prior art keywords
winding
web
frame
arms
pegs
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
EP86110647A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0216085A1 (de
Inventor
Friedhelm Dipl.-Ing. Mundus
Hans-Ludwig Dipl.-Ing. Voss
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 EP0216085A1 publication Critical patent/EP0216085A1/de
Application granted granted Critical
Publication of EP0216085B1 publication Critical patent/EP0216085B1/de
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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2276—The web roll being driven by a winding mechanism of the coreless type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/02—Supporting web roll
    • B65H18/06—Lateral-supporting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
    • B65H19/2215—Turret-type with two roll supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/231—Turret winders
    • B65H2408/2315—Turret winders specified by number of arms
    • B65H2408/23152—Turret winders specified by number of arms with two arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/184—Wound packages
    • B65H2701/1846—Parts concerned

Definitions

  • the invention relates to a device for coreless winding of web sections according to the preamble of patent claim 1.
  • a device of this type known from DE-B-21 27 1208 the winding pins which project freely over the width of the material web in the winding position can be pivoted at the free ends in a winding head mounted levers, which are held, for example, by springs in their inner, pushed-together position and can be pivoted into their spread position by an axially displaceable mandrel with a conical end part which acts on corresponding guide surfaces of the levers.
  • a similar winding machine known from DE-B-24 00 016 also has winding pins which have to be pulled back and forth across the full width of the material web to be wound between winding heads and drive heads in order to be able to bring them into engagement with the material web to be wound up. Since the winding pins have a considerable length, they can be elastically compressed by the resiliently covered layers of the wound roll, so that they can still pinch the web lying between these winding pins when these are pulled off by the drive head that expands them.
  • the object of the invention is therefore to provide a device of the type specified at the outset with which the supply rolls can be wound with smaller axial displacement paths and radial spreading movements of the winding pins.
  • winding points or winding heads with winding pins are provided on both sides of the web, these need only execute short axial extension and retraction movements in order to reliably grasp and release the web, because angular axes guaranteeing good winding are already defined by the bilateral detection of only the edge regions of the web . Since the winding pins already have a sufficiently large transverse spacing relative to one another to ensure a trouble-free passage of the material web, they only have to make relatively small spreading movements after extending into their winding position, because there is sufficient loosening of the winding pins before pulling them out in the completely wound roll if these are returned to their unspread position.
  • the winding pins only need to perform a spreading movement which, after returning to their unspread position, is sufficient to loosen the winding pins in the finished roll winding and therefore only needs to be very small, while in the known device the winding pins travel over a larger radial distance, than it would be necessary for loosening per se to have to be spread in order to create such large distances between the winding pins that the path between them can pass without problems.
  • an only intermittently working winding device is known with only one winding station fixed to the frame, which consist of two opposite pairs of winding pins provided with a rotary drive, which can be pushed towards each other to capture a material web to be wound in sections without a core, so that the respective the two winding pins enclose the web between them, and which can be withdrawn beyond the side edge of the web to release a winding.
  • the winding pins are spread by an expanding wedge and by pulling back the expanding wedge, they spring back into their non-expanded position.
  • the known device is used for the intermittent unwinding of baffles which are separated from an endless web, in which the winding pins, which are displaceable towards and away from one another in a common plane, perform a pincer-like opening movement for grasping the web and a corresponding closing movement when they are retracted, so that the frictional engagement of the winding pins with the winding is reduced and the winding formed can be easily stripped from it.
  • the wrap still connected to the web then falls into a collecting trough.
  • pairs of clamping jaws which clamp the web are provided on both sides of the winding point and a separating knife between them.
  • the web clamped between the jaws is tightened by a tensioning device, so that the appropriately aligned and spread winding pins for gripping the web can be pushed towards each other again.
  • the known winding device does not allow winding and separation of a continuously fed web.
  • the web must not only be stopped to separate the respectively formed roll with a predetermined section length, it must also be clamped on both sides of the winding point by special clamping devices and cut through a special cutting device, which not only limits the winding performance, but also requires additional design effort.
  • the winding stations have support plates with bushes rotatably mounted in them and provided with the rotary drives, that the winding pins consist of angle levers which are pivotally mounted on a common transverse axis of a support piece which is rotatable at the front end of a support arm with the central axis of the bushing aligned piston rod of a pressure-medium piston-cylinder unit which is fixed to the frame is mounted such that the longer, the scissor-like legs of the bushing forming the winding pins are guided in a longitudinally displaceable manner and by springs in the direction of their unspread Position are applied and that the approximately right-angled shorter legs of the angle lever on opposite sides of the outward-facing end faces of the bushes against the end of the feed movement so that their longer legs penetrating the bushes are spread.
  • the support piece has a radial arm is provided, which cooperates with a control cam fixed to the frame when the piston rod is retracted and thereby rotates the longer legs in such a way that their central planes lying between their pivoting planes lie in the plane of the web to be grasped by them when they extend.
  • the support piece is expediently provided with two radial arms offset from one another by 180 °, which cooperate with a control cam which is fixed to the frame and concentrically surrounds the piston rod and which, starting from an apex, has two symmetrical, approximately elliptically curved, outwardly extending branches.
  • the winding stations are arranged in a turret-like manner in the machine frame in that the two support plates are designed in the form of circular disks and at least one is provided with external teeth which mesh with a drive pinion, and in that the support plates are provided with the winding stations offset by 180 °.
  • the winding stations can be changed by rotating the backing plates or turning them back and forth.
  • a central shaft which is provided with a rotary drive, is mounted in the support plates, which is in drive connection via clutch-brake combinations alternately with two parallel intermediate shafts mounted in the support plates, one of which via gear wheels , Belts or chains the rotary drive of the bushings of the winding stations is derived.
  • the guide rings are guided on the trusses of the frame so as to be displaceable and, for opposite adjustment, are provided with spindle nuts into which a spindle fixed to the frame is screwed, the central shaft and the drive elements being rotatably mounted on the support plates
  • Intermediate shafts which are designed as multi-spline shafts, are guided so as to be axially displaceable.
  • the side walls 1, 2 of the machine frame are connected to one another by a cross-beam 3, which forms a guide for support rings 4, 5 which are mounted on the cross-slide.
  • the support rings 4, 5 are additionally provided with spindle nuts 6, 7, into which the spindle 8 is screwed for opposing adjustment of the support rings 4, 5 with opposite threads.
  • the spindle 8 is rotatably but axially immovably mounted in the frame walls 1, 2 and provided with a handwheel 9.
  • the support rings 4, 5 are provided with mutually aligned annular inner edges 10, 11, on which rollers 12 provided with circumferential grooves run, which are mounted on the outer sides of circular disks 13, 14, the outer edges of which are provided with teeth 15.
  • the disc-shaped plates 13 are offset by 180 ° with mutually opposite winding heads 16, 17 and 18, 19.
  • the winding heads are of identical design, so that only the configuration of the winding head 16 is explained below with reference to FIG. 3.
  • the bearing ring 20 provided with a flange is held in a bore in the disk-shaped plate 13.
  • the bushing 21 is rotatably supported by two roller bearings.
  • the toothed belt pulley 22 is wedged onto the bushing 21 on the outside of the disk-shaped plate 13.
  • the bushing 21 serves to guide the scissor-like winding pins 23, 24 arranged axially displaceably therein.
  • the winding pins 23, 24 are formed by the longer legs of angle levers, which are pivoted about the common axis 25 in a forked end piece Z6 by small swivel angles. In the area of the bearing bores, shorter legs 27, 28 are connected to the legs forming the winding pins 23, 24, which carry rollers 29, 30 at the ends, by means of which they are supported on the outer side surface 31 of the toothed pulley 22.
  • the support piece 26 is rotatably supported by the roller bearing 33 in an axial bore 34 of the piston rod 35.
  • the associated pneumatic cylinders 36 are each firmly connected to the disk-shaped plates 13, 14 in a manner not shown.
  • the pneumatic cylinders 36 have flange plates at their outer ends, which are connected to the disk-shaped plates 13, 14 by means of stud bolts parallel to the pneumatic cylinders.
  • a pressure piece 38, 39 is supported on each of the scissor-type winding pins 23, 24.
  • the pressure pieces 38, 39 are acted upon by the compression springs 40, 41, which are clamped between them and the abutments 42, 43 connected to the bushing 21.
  • the spring-loaded pressure pieces 38, 39 seek to pivot the winding pins 23, 24 into their position pivoted in relation to one another. If the support member 26 is displaced in the direction of the bushing 21 by the piston rod 35, at the end of this feed movement the shorter legs 27, 28 connected to the winding pins 23, 24 meet the outer side surface 31 of the toothed pulley 22 via the rollers 29, 30 that the spreading pins 23, 24 are pivoted into their spread position shown in FIG. 3 by further advancement of the support piece 26.
  • guide slots are provided for the winding pins 23, 24, which hold them transversely to their pivoting planes at such a distance from one another that in their extended position, the web 46 to be wound up in sections runs smoothly between them can.
  • the fork 26 at the front end for supporting the winding pins 23, 24 has radially protruding arms 50, 51 which are offset by 180 ° and whose end regions cooperate with guide curves 52, 53 which are concentric on the end face of the piston rod 35 on the end face 6 facing the winding head 6 enclosing sleeve 54 are provided.
  • the guide curve consists of two branches 52, 53 starting from an upper vertex 55, which are arranged symmetrically to the vertex 55 and have an approximately elliptical course.
  • the motor 60 is flanged to the frame wall 2 to drive the winding heads 16 to 19.
  • the output shaft of the motor 60 is connected to a central splined shaft 62 via a toothed belt drive 61.
  • the splined shaft 62 passes through hubs 63, 64 of clutch-brake combinations 65, 66, which alternately couple the toothed pulleys 67, 68 to the splined shaft 62.
  • Parallel to the central spline shaft 62, spline intermediate shafts 70, 71 are provided, which pass through rotatably mounted hubs 72 to 75 in the disk-shaped plates 13, 14, on which toothed belt pulleys are fastened, which in the form shown in FIG. Z have endless toothed belts for the winding heads Drive 16 to 19.
  • the required switching current is supplied to the clutch-brake combinations 65, 66 via slip rings 77.
  • the central splined shaft 62 is provided, in a manner not shown, with an axial bore and a rotary feedthrough, from which the compressed air is fed to the pneumatic cylinders 36 through lines, also not shown.
  • the turret formed by the rotatable and axially adjustable disc-shaped plates 13, 14 with the winding heads 16 to 19 can be rotated via the geared motor 80, the drive pinion 81 of which meshes with the toothing of the disc 13.
  • the web 46 is guided in the manner shown in FIG. 1 via guide rolls 85, 86 to the winding point consisting, for example, of the winding heads 16, 17.
  • the fed web 46 runs between the winding pins 23, 24 of the winding heads 18, 19 which are arranged at a distance from one another. If a sufficiently long section with a predetermined number, for example, of garbage bags separated by transverse perforation lines, has been wound up, the clutch-brake combinations are switched over so that the winding heads 16, 17 are stopped and the winding heads 18, 19 of the other winding point between which the Material web runs through, start up. Through this start, the web is torn along a transverse perforation line, which is currently between the two winding stations, so that the finished wound roll can be stripped off by retracting the winding pins, while the following roll is wound in the other winding station.
  • the position of the winding positions is changed by rotating the disk-shaped plates 13, 14, so that the winding heads 16, 17 in FIG. 1 are then in the lower position.
  • the winding pins drawn in during the change of the winding positions are then extended again so that they grip the material web 46 passing between them and are in their standby position for the subsequent winding process.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
EP86110647A 1985-09-18 1986-08-01 Vorrichtung zum kernlosen Aufwickeln von von einer Materialbahn längs einer Querperforation abgerissenen Bahnabschnitten Expired - Lifetime EP0216085B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3533321 1985-09-18
DE19853533321 DE3533321A1 (de) 1985-09-18 1985-09-18 Vorrichtung zum kernlosen aufwickeln von von einer materialbahn laengs einer querperforation abgerissenen bahnabschnitten

Publications (2)

Publication Number Publication Date
EP0216085A1 EP0216085A1 (de) 1987-04-01
EP0216085B1 true EP0216085B1 (de) 1990-10-17

Family

ID=6281314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110647A Expired - Lifetime EP0216085B1 (de) 1985-09-18 1986-08-01 Vorrichtung zum kernlosen Aufwickeln von von einer Materialbahn längs einer Querperforation abgerissenen Bahnabschnitten

Country Status (6)

Country Link
US (1) US4790491A (en(2012))
EP (1) EP0216085B1 (en(2012))
CA (1) CA1281697C (en(2012))
DE (1) DE3533321A1 (en(2012))
DK (1) DK162515C (en(2012))
ES (1) ES2001961A6 (en(2012))

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289669A (en) * 1991-04-08 1994-03-01 Gerber Garment Technologies, Inc. Coreless winder and method of use
US5294069A (en) * 1992-04-21 1994-03-15 Xerox Corporation Media feed and roller device for an electrographic printer
DE4300866A1 (de) * 1993-01-15 1994-07-21 Du Pont Deutschland Druck-Hilfsvorrichtung, insbesondere zur Prüfung von Druckmustern
DE19507799C2 (de) * 1995-03-06 1997-04-30 Kleinewefers Ramisch Gmbh Vorrichtung zum kontinuierlichen Aufwickeln von bahnförmigem Wickelgut
DE19543046A1 (de) * 1995-11-10 1997-05-15 Mannesmann Ag Karussellhaspel mit zwei Haspeldornen
BE1010124A3 (nl) * 1996-03-19 1998-01-06 Honore Freddy Oprolinrichting voor weefsels.
US7101587B2 (en) 2001-07-06 2006-09-05 Kimberly-Clark Worldwide, Inc. Method for wetting and winding a substrate
US6649262B2 (en) 2001-07-06 2003-11-18 Kimberly-Clark Worldwide, Inc. Wet roll having uniform composition distribution
US6866220B2 (en) 2001-12-21 2005-03-15 Kimberly-Clark Worldwide, Inc. Continuous motion coreless roll winder
EP2212229B1 (en) 2007-10-16 2015-04-15 Gloucester Engineering Co., Inc. Stretch film winder
US20100320302A1 (en) * 2009-06-23 2010-12-23 Catbridge Machinery, Llc In-Line Formed Core Supporting a Wound Web
DE102020111803A1 (de) * 2020-04-30 2021-11-04 Enmodes Gmbh Wickelsystem zur Durchführung des Aufwickelns von verketteten Hohlfasern auf einen Wickelkern

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1282294A (en) * 1917-09-26 1918-10-22 Albert W Ross Unwrapping-machine.
US1537458A (en) * 1922-11-21 1925-05-12 Pittsburgh Steel Co Reel
US2703209A (en) * 1952-02-19 1955-03-01 Crutcher Joseph Arthur Web pay-off unit
US3345009A (en) * 1964-10-08 1967-10-03 Cameron Machine Co Low web-tension web-winding machine
DK117398B (da) * 1967-11-09 1970-04-20 P Hagemeister Fremgangsmåde og apparat til opvikling af en materialebane.
NL167926C (nl) * 1970-06-09 1982-02-16 Heijmeijer L J Ver Fab Werkwijze en inrichting voor het vervaardigen van wikkels.
NL153819B (nl) * 1973-01-02 1977-07-15 Wavin Bv Inrichting voor het opwikkelen van zakken uit kunststoffolie, die een continue baan vormen en door perforaties zijn gescheiden.
US4045038A (en) * 1976-08-31 1977-08-30 Westvaco Corporation Hollow core chucking device
DE7712942U1 (de) * 1977-04-25 1980-04-17 Windmoeller & Hoelscher, 4540 Lengerich Wickelvorrichtung

Also Published As

Publication number Publication date
DK446286D0 (da) 1986-09-17
CA1281697C (en) 1991-03-19
DE3533321C2 (en(2012)) 1988-07-07
DK162515C (da) 1992-03-30
DK446286A (da) 1987-03-19
ES2001961A6 (es) 1991-03-16
DK162515B (da) 1991-11-11
EP0216085A1 (de) 1987-04-01
DE3533321A1 (de) 1987-03-26
US4790491A (en) 1988-12-13

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