EP1453750A1 - Dispositif pour la production de rouleaux de film - Google Patents

Dispositif pour la production de rouleaux de film

Info

Publication number
EP1453750A1
EP1453750A1 EP02787851A EP02787851A EP1453750A1 EP 1453750 A1 EP1453750 A1 EP 1453750A1 EP 02787851 A EP02787851 A EP 02787851A EP 02787851 A EP02787851 A EP 02787851A EP 1453750 A1 EP1453750 A1 EP 1453750A1
Authority
EP
European Patent Office
Prior art keywords
winding mandrel
mandrel
winding
film
station
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
EP02787851A
Other languages
German (de)
English (en)
Other versions
EP1453750B1 (fr
Inventor
Gerd Heikaus
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.)
Illinois Tool Works Inc
Original Assignee
HEIKAUS UNTERNEHMENSBETEILIGUN
Heikaus Unternehmensbeteiligungen und Verwaltung GmbH
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 HEIKAUS UNTERNEHMENSBETEILIGUN, Heikaus Unternehmensbeteiligungen und Verwaltung GmbH filed Critical HEIKAUS UNTERNEHMENSBETEILIGUN
Publication of EP1453750A1 publication Critical patent/EP1453750A1/fr
Application granted granted Critical
Publication of EP1453750B1 publication Critical patent/EP1453750B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • 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
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/325—Orientation of handled material of roll of material
    • B65H2301/3251—Orientation of handled material of roll of material vertical axis
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4181—Core or mandrel supply
    • B65H2301/41818—Core or mandrel supply mandrels circulating (cycling) in machine or system
    • 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
    • B65H2408/23157—Turret winders specified by number of arms with more than three arms

Definitions

  • the invention relates to a device for producing film rolls.
  • coreless film rolls can be produced with the device, i.e. Foil rolls that have no cardboard core or the like.
  • the device is particularly suitable for producing pre-stretched or stretched film webs.
  • a device for producing coreless film rolls is known from WO 99/06312.
  • the device described herein has a roll holder, from which a film roll is received, which has a film web to be unwound. It is an undrawn film web.
  • the film web is unwound from this film roll, stretched with the aid of several rolls and wound onto a winding mandrel.
  • At least one of the deflection rollers is embossed to stretch the film.
  • the speed of rotation of the individual idler pulleys can be varied, so that stretching also takes place as a result.
  • the film web is wound onto the winding mandrel by a control device in such a way that the first layers are undrawn or wound with a low tension and only the subsequent layers of the film web are pre-stretched. This makes it possible to produce a coreless film roll that can be removed from the winding mandrel.
  • winding mandrels which have a plurality of segments or holding elements which run in the longitudinal direction and are displaceable in the radial direction.
  • the Moving is done by pneumatics. With the help of pneumatics, it is thus possible to change the circumference of the winding mandrel, ie the common circumference, of the segments arranged on a cylindrical surface.
  • the object of the invention is to further automate the manufacturing process of film rolls, in particular of pre-stretched film rolls without a core.
  • the device for producing film rolls has a delivery station for the automatic delivery of the wound film roll from the winding mandrel.
  • the delivery station comprises a displacement device for displacing the holding elements of the winding mandrel.
  • the holding elements of the winding mandrel which are preferably displaceable radially to the longitudinal direction of the winding mandrel, serve to vary the outside diameter of the winding mandrel.
  • the holding elements are shifted into a delivery position by the shifting device according to the invention. In the delivery position, the holding elements of the winding mandrel are at a smaller distance from one another. The circumference of the winding mandrel is thus reduced in the delivery position. Since the winding mandrel in the delivery station according to the invention is preferably vertical is arranged, the wound film roll can slide down after the actuation of the displacement device from the winding mandrel due to gravity.
  • a stripping device is preferably provided for stripping the film roll from the winding mandrel.
  • the stripping device is preferably a plunger which can be displaced in the longitudinal direction of the winding mandrel.
  • the ram can be operated hydraulically and / or pneumatically.
  • a tubular plunger surrounding the winding mandrel can be provided as the plunger, so that when the film roll is stripped from the winding mandrel, canting and thereby possibly causing damage to the inner layer of the film roll is avoided. It is also possible to provide a tappet arranged next to the winding mandrel.
  • the holding elements of the winding mandrel can be transferred from a delivery position into a receiving position and vice versa by springs or a spreading device.
  • the holding elements have a smaller distance in the delivery position, so that the winding mandrel has a smaller diameter than the inside diameter of the film roll.
  • the holding elements of the mandrel in the receiving position in which the film strip is wound onto the mandrel, preferably for producing a coreless film roll are at a greater distance, so that the winding mandrel has a larger diameter substantially corresponding to the inside diameter of the film roll.
  • To move the Holding elements can, for example, be a spreading device, as described in the post-published German utility model DE 201 15 648.
  • the holding elements can preferably be actuated hydraulically and / or pneumatically, since the hydraulic and / or pneumatic actuation of the holding elements entails less maintenance and is easier to automate.
  • the displacement device preferably has a relaxation device.
  • the holding elements are relaxed by the decocking device, so that they are automatically transferred to the dispensing position.
  • springs by which the holding elements are biased into the receiving position can be released.
  • the holding elements are preferably pre-tensioned pneumatically and / or hydraulically, so that the expansion device is preferably designed in such a way that it reduces pressure.
  • the winding mandrel preferably has a valve which is automatically revealed by the relaxation device. Opening the valve reduces the pressure and thus relaxes the holding elements.
  • the holding elements are preferably connected to a return device such as a spring. The return device is used so that the holding elements cannot get jammed in the receiving position, but are always brought back into the delivery position as soon as the pressure is reduced.
  • the device preferably has a transport device.
  • the transport device With the transport device, the winding mandrels, after the preferably pre-stretched film web has been wound on them, are transported from a winding station to the delivery station.
  • the transport device preferably has a plurality of mandrel holders.
  • the winding mandrels provided with the wound film roll are removed from the winding station and transferred to the transport device or the mandrel holders of the transport devices. You can do this Separate handling devices are provided at the transfer station, by means of which the winding mandrels provided with the film roll are automatically transferred.
  • the winding mandrels are preferably arranged in the winding station between two holders.
  • the brackets can also be used to drive the winding mandrel to wind the film tape on the winding mandrel.
  • the holders are preferably connected to a displaceable or pivotable holding arm in order to remove the winding mandrel together with the wound film roll at the transfer station from the winding station and to transfer it to the transport device.
  • the mandrel holders of the transport device are preferably designed such that the mandrels are arranged vertically in the mandrel holders.
  • the mandrels are suspended in the mandrel holders.
  • the mandrels preferably have a suitable head-like enlargement which can be placed on essentially U-shaped horizontally arranged mandrel holders. The mandrels can be inserted or removed in such a U-shaped mandrel holder in the horizontal direction.
  • the winding mandrels are tensioned again.
  • the holding elements of the mandrels are brought into their receiving position, in which they serve to receive the film strip in the winding station.
  • a roll core such as a cardboard core, on which the film is then wound can be received in the receiving position. It is thus possible to wind a film web on such winding mandrels as described above in such a way that coreless film rolls can be produced.
  • the holding elements are pretensioned in the tensioning station by an increase in pressure in the winding mandrel, by means of which the holding elements are displaced in the radial direction.
  • a preferably displaceable feed head which is connected to a pneumatic or hydraulic device, is provided at the tensioning station. By moving this head, the valve, which is also opened to reduce pressure in the delivery station, is preferably opened and compressed air is preferably fed to the winding mandrel.
  • the delivery station and the tensioning station are a common station.
  • the transport device is preferably designed as an endless transport device.
  • the winding mandrels are thus taken over at the transfer station together with the film roll wound on the winding mandrel and are automatically transported to the delivery station. After the film roll has been released, the winding mandrels are then possibly transported to the tensioning station. From this there is an automatic transport to the transfer station, at which a winding mandrel with holding elements in the receiving position is now transferred to the winding station.
  • a transport device for example, a chain can be provided with winding mandrel holders arranged in particular at regular intervals.
  • the transport device is preferably in the form of a wheel or a plate, the mandrel holders being arranged radially and being moved on a circular line.
  • FIG. 2 is a schematic front view of a mandrel holder of the transport device
  • FIG. 3 is a schematic, partially sectioned top view of the mandrel holder
  • FIGS. 4 and 5 are schematic front views of the delivery station.
  • Fig. 6 is a schematic front view of the tensioning station.
  • the device according to the invention for producing film rolls has a roll holder 10 in accordance with the basic structure shown in FIG. 1.
  • a film roll 12 with generally unstretched film is carried by the roll holder 10.
  • a film strip 14 is unwound from the film roll 12 and guided over a plurality of deflection rolls 16, 18.
  • Devices of this type usually have a multiplicity of rollers 16, 18, some of them with one Drive device are connected, wherein the rotational speed of the individual rollers 16, 18 can vary. This allows the film web 14 to be stretched.
  • one or more rolls of the rolls 16, 18 can be embossed in order to support the stretching of the film web 14.
  • the film web 14 is wound on a winding mandrel 20 after passing through the deflection rollers 16, 18. After a predetermined length of the film web 14 has been wound onto the winding mandrel 20, the film web 14 is severed by means of a separating device 22, which has, for example, a knife.
  • the winding mandrel 20 with the wound film i.e. removed together with the film roll 24 produced and a new winding mandrel 20 inserted into the device.
  • the handling device e.g. an arm with a gripper attached to the front end. With the aid of the gripper, the winding mandrel 20 is removed from the device together with the film roll 24 wound thereon.
  • the handling device can be designed in such a way that it also carries and, if necessary, drives the winding mandrel 20 while the film web 14 is being wound onto the winding mandrel.
  • the winding mandrel 20 has, for example, conical recesses 22 (FIG. 4) on the two opposite end faces, into which corresponding tips engage.
  • the two opposite tips can be attached to a common arm and pivoted by means of this. By pivoting the arm, the winding mandrel 20 is pivoted from the winding station 26 in the direction of a winding mandrel holder 28 into the transfer station 30.
  • the transport device 32 which is designed as a plate or wheel in the exemplary embodiment shown, is then rotated one station further in the direction of arrow 34.
  • the mandrel holder 28 is rotated clockwise to the next position. After the transport device has been rotated, the mandrel holder 28 with the empty mandrel 20 is located in the transfer station 30. Here, the mandrel 20 is gripped into the conical recesses 22 by moving the tips and pivoted in such a way that it reaches the winding station 26.
  • the next piece of film web 14 is now wound onto the winding mandrel 20 inserted into the winding station 26, which in turn is unwound from the film roll 12 on which a considerably longer film web is wound, so that a large number of film rolls 24 can be produced.
  • the winding mandrel holder 28 is U-shaped in cross section and has two mutually opposite, essentially parallel arms 36.
  • the winding mandrel holder is open in the radial direction with respect to the plate-shaped transport device 32, so that winding mandrels 20 can be removed from the winding mandrel holder or inserted into the latter in the direction of an arrow 38 (FIG. 3).
  • two holding or securing devices 40 are preferably provided in at least one of the two arms 36.
  • the securing devices are a ball 44 preloaded with a spring 42.
  • the winding mandrel 20 When the winding mandrel 20 is removed or inserted into the winding mandrel holder 28 in the direction of arrow 38, the ball 44 is pressed into the arm 36 against the spring force. This prevents the mandrel 20 from slipping out of the mandrel holder 28.
  • a single mandrel holder 28 is provided for each mandrel 20, in which the mandrel 20 is suspended vertically.
  • the winding mandrel 20 has a disk-shaped head 44 (FIG. 4) which rests on an upper side of the arms 36.
  • the transport device 32 (FIG. 1) has 12 mandrel holders 28 in the exemplary embodiment shown. After nine transport steps, a film web 14 wound on the winding mandrel 20 in the winding station 26, after being transferred to the transport device 32 in the transfer station 30, arrives at a delivery station 46 pre-stretched film. This calming section or calming phase is necessary in order to be able to strip the film roll produced in the exemplary embodiment shown as a coreless film roll 24 from the winding mandrel 20.
  • the dispensing station 46 (FIGS. 4 and 5) has a displacement device 48 for stripping the film roll 24 from the winding mandrel 20.
  • the shifting device 48 serves to shift holding segments 50 extending in the longitudinal direction of the winding mandrel 20.
  • the holding segments 50 can be displaced pneumatically in the radial direction of the winding mandrel 20 in the exemplary embodiment shown.
  • the diameter of the winding mandrel 20 can be varied by moving the holding elements 50 in the radial direction.
  • the displacement device 48 is moved in the direction of an arrow 52. As a result, a tip 54 presses on a valve 56 and opens it.
  • the air present in the winding mandrel can escape through a channel 58.
  • the holding elements 50 are displaced radially inward in the direction of the winding mandrel 20 into a delivery position, the outer diameter of the winding mandrel 20 being reduced.
  • a spring element or the like can be provided in the winding mandrel 20, through which the holding elements 50 are pulled inwards.
  • the outer diameter of the winding mandrel 20 is less than the inner diameter of the film roll 24 after the air has been released.
  • the film roll 24 can now due to the gravity of the winding mandrel 20 or the holding elements 50 Slip winding mandrel 20 and fall onto a conveyor belt 60 (FIG. 1).
  • the conveyor belt 60 then conveys the individual film rolls 24, for example, to a further processing device such as a packaging device.
  • a stripping device 62 is provided in order to support the stripping of the film roll 24 from the winding mandrel 20, a stripping device 62 is provided.
  • the stripping device 62 is a plunger 64 which can be displaced in the direction of an arrow 66. The plunger 64 is arranged next to the winding mandrel 20 and presses on one side surface of the film roll 24, so that the latter is pushed off the winding mandrel 20 in the longitudinal direction.
  • the next piece of film 14 is wound up in the winding station 26 onto the winding mandrel 20 located in the winding station.
  • the transport device becomes 32 rotated again by a further transport step in the direction of arrow 34.
  • the winding mandrel 20 passes from the discharge station 46 into a tensioning station 68 (FIGS.
  • the holding elements 50 of the winding mandrel 20 are tensioned again in the tensioning station, ie the The outer diameter of the winding mandrel 20 is increased again, so that the holding elements 50 are again in the receiving position, ie a film web 14 can be wound up again on the winding mandrel 20.
  • air is pumped into the winding mandrel 20 via a pneumatic head 70.
  • the pneumatic head 70 is connected to a pressure generating device via a hose 72.
  • the pneumatic head 70 is moved in the direction of an arrow 74, so that an extension 76 opens the valve 56 and air can be pumped through the channel 58 into the winding mandrel 20.
  • the holding elements 50 are displaced or biased radially outward.
  • the newly pretensioned winding mandrel 20 is transferred back to the winding station 26 in the transfer station 30.

Landscapes

  • Winding Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP02787851A 2001-12-14 2002-11-28 Dispositif pour la production de rouleaux de film Expired - Lifetime EP1453750B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20120240U 2001-12-14
DE20120240U DE20120240U1 (de) 2001-12-14 2001-12-14 Vorrichtung zur Herstellung von Folienrollen
PCT/EP2002/013408 WO2003051751A1 (fr) 2001-12-14 2002-11-28 Dispositif pour la production de rouleaux de film

Publications (2)

Publication Number Publication Date
EP1453750A1 true EP1453750A1 (fr) 2004-09-08
EP1453750B1 EP1453750B1 (fr) 2006-02-08

Family

ID=7965154

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02787851A Expired - Lifetime EP1453750B1 (fr) 2001-12-14 2002-11-28 Dispositif pour la production de rouleaux de film

Country Status (16)

Country Link
US (1) US7204448B2 (fr)
EP (1) EP1453750B1 (fr)
JP (1) JP4225485B2 (fr)
KR (1) KR100943507B1 (fr)
CN (1) CN1307084C (fr)
AT (1) ATE317366T1 (fr)
AU (1) AU2002352171B2 (fr)
CA (1) CA2472488C (fr)
DE (2) DE20120240U1 (fr)
DK (1) DK1453750T3 (fr)
ES (1) ES2257591T3 (fr)
HK (1) HK1068123A1 (fr)
MX (1) MXPA04005791A (fr)
NZ (1) NZ533431A (fr)
PT (1) PT1453750E (fr)
WO (1) WO2003051751A1 (fr)

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CN110654910B (zh) * 2019-09-12 2020-12-18 嘉兴市中意喷织有限公司 一种针织面料卷收装置
CN113213217B (zh) * 2021-05-31 2022-11-01 重庆和泰润佳股份有限公司 一种薄膜收卷装置
CN113998516B (zh) * 2021-11-26 2024-07-16 山东江山纤维科技有限公司 一种碳纤维布收卷装置
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KR100943507B1 (ko) 2010-02-22
ES2257591T3 (es) 2006-08-01
NZ533431A (en) 2005-12-23
HK1068123A1 (en) 2005-04-22
AU2002352171B2 (en) 2006-01-05
CN1307084C (zh) 2007-03-28
JP4225485B2 (ja) 2009-02-18
US20050077416A1 (en) 2005-04-14
DE50205806D1 (de) 2006-04-20
PT1453750E (pt) 2006-05-31
ATE317366T1 (de) 2006-02-15
CN1610639A (zh) 2005-04-27
KR20040077672A (ko) 2004-09-06
CA2472488C (fr) 2008-04-29
DE20120240U1 (de) 2003-04-24
US7204448B2 (en) 2007-04-17
CA2472488A1 (fr) 2003-06-26
WO2003051751A1 (fr) 2003-06-26
JP2005511455A (ja) 2005-04-28
AU2002352171A1 (en) 2003-06-30
MXPA04005791A (es) 2005-05-17
DK1453750T3 (da) 2006-06-12
EP1453750B1 (fr) 2006-02-08

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