EP0457010A2 - Dispositif pour appliquer un fluide sur une bande - Google Patents

Dispositif pour appliquer un fluide sur une bande Download PDF

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Publication number
EP0457010A2
EP0457010A2 EP91105185A EP91105185A EP0457010A2 EP 0457010 A2 EP0457010 A2 EP 0457010A2 EP 91105185 A EP91105185 A EP 91105185A EP 91105185 A EP91105185 A EP 91105185A EP 0457010 A2 EP0457010 A2 EP 0457010A2
Authority
EP
European Patent Office
Prior art keywords
roller
pressure
pressure roller
stop
cylinder
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.)
Withdrawn
Application number
EP91105185A
Other languages
German (de)
English (en)
Other versions
EP0457010A3 (en
Inventor
Rainer Jendroska
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 EP0457010A2 publication Critical patent/EP0457010A2/fr
Publication of EP0457010A3 publication Critical patent/EP0457010A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/086—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
    • B05C1/0865—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith the cooperating element being a roller, e.g. a coating roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers

Definitions

  • the invention relates to a device for applying liquid media to a web with an applicator roller mounted in a machine frame and a print roller that can be lifted off and adjusted against it and that forms a roller nip with the applicator roller through which the web runs.
  • the object of the invention is therefore to provide a device of the type mentioned above with a simple and robust construction, in which a desired gap between the printing roller and the application roller can be set in a simple manner.
  • this object is achieved in a device of the generic type in that the pressure roller is mounted between one arm of two parallel two-armed levers pivotably mounted in the machine frame, that at the ends of the other arms one end of a pressure medium piston cylinder pivoting the two-armed lever Unit is articulated, the other end of which is mounted in the machine frame, and that an at least one of the lever arms, arranged in the machine frame and adjustable in height is provided, which limits the width of the nip.
  • the pressure roller can be lifted off the application roller in a simple manner and can also act on the latter in that it is mounted between mutually parallel arms of a pair of rocker-like two-armed levers which can be pivoted by a pressure medium piston cylinder unit.
  • the device according to the invention is preferably intended for application rollers which do not have large differences in diameter, so that despite the lifting and turning on of the pressure roller, a sufficiently precise adjusting movement is achieved by pivoting.
  • the device according to the invention is also fundamentally different can be used in printing machines, it is preferably used for coating webs with lacquer, glue or similar substances.
  • the webs running through the nip can also be provided with format orders, as is required, for example, when gluing paper or plastic webs in size during sack production.
  • the desired width of the nip can be set in a simple manner by the stops, which are set accordingly when the device is set up.
  • the stops can also be adjusted to the desired width using automatic setting devices.
  • this printing roller can be lifted off the application roller by the desired amount by pivoting the rocker-like frame.
  • the liquid media with which the web is to be coated can be transferred to the application roller by means of a transfer roller positioned thereon, which forms a trough-shaped roller nip with a roller positioned thereon, into which the medium to be applied is introduced.
  • a transfer roller positioned thereon, which forms a trough-shaped roller nip with a roller positioned thereon, into which the medium to be applied is introduced.
  • the end faces of both roller jams or the like are. arranged.
  • the defects or film density of the layer to be applied to the application roller can be adjusted by the speed of the transfer roller.
  • the two-armed swivel frame is used to carry out a long-stroke movement the pressure medium piston cylinder unit is pivoted.
  • the cylinder of the pressure-medium piston-cylinder unit is expediently a pneumatic cylinder which, when pressurized with compressed air in the setting direction, holds the lever arm in contact with the stop.
  • the pneumatic cylinder acts as a spring element, so that the printing roller can be lifted from the application roller in a resilient manner if necessary.
  • the stop is arranged on a spindle adjustable by a servomotor and the servomotor drives the spindle with a torque which moves the spindle with a force which is smaller than that for lifting those resting on the application roller Printing roller required force.
  • the pneumatic cylinder is then pressurized again so that it maintains the set nip, the lever arms or the frame in contact with the stop or stops.
  • the pneumatic cylinder is expediently a clamping cylinder which can be clamped in such a way that the piston is fixed in the cylinder in the respective clamped position. Any spring action of the pneumatic cylinder is thus canceled in the clamped position. If the pneumatic cylinder is now fixed in the lowered position of the printing roller by clamping, the stop or stops can be moved against the lever arms or the frame without fear of adjustment because the torque of the servomotors is too small is to overcome the clamping force of the clamping cylinder or cylinders.
  • the gear driving the spindle is provided with a dial.
  • the desired gap width can then be read from the dial to adjust the roller gap.
  • the dial is assigned an initiator which generates signals in accordance with small angular steps.
  • the servomotor can then be controlled via these signals, so that the gap width of the roll gap can be set automatically.
  • a second pair of mutually parallel two-armed levers is pivotally mounted about the pivot axis of the two-armed lever carrying the pressure roller, between whose arms a supporting roller which can be set against the pressure roller is mounted and on the other arms of which one end of the pressure-medium piston-cylinder unit is articulated is.
  • this support roller can be expedient or necessary in order to additionally support the pressure roller.
  • the swivel arrangement according to the invention allows the support roller to be pivoted away from the printing roller and then the printing roller from the application roller.
  • At least one lever arm is expediently provided with a stop which only engages the other lever arm when the support roller has been lifted from the pressure roller by a certain distance.
  • one of the opposite lever arms with a stop adjustable on a spindle drive on the supported another lever arm with a stop adjustable on a spindle drive on the supported another lever arm.
  • Part of the supporting force can be derived through the stop.
  • the spindle drive can in turn be driven by an air motor and the gear can be provided with a setting device provided with a scale.
  • the machine frame consists essentially of the side frames 1, 2, which are connected to one another by the cross members 3, 4.
  • the lower applicator roller 12 In contact with the transfer roller 7 is the lower applicator roller 12, which is drivably mounted in the bearing blocks 6 via the shaft 9. With this lower application roller 12, the upper pressure roller 13 works together, through the nip of which the web 14 is passed.
  • the upper pressure roller 13 is seated on a shaft 15 which is freely rotatable between pivot levers 16. The latter are provided with journals 17 which are rotatably mounted in the side frames 1 and 2.
  • the upper pressure roller 13 can be adjusted via the journal 17 via piston-cylinder units 18 and 19. Both piston cylinder units are designed as clamping cylinders.
  • the piston rods of the piston cylinder units 18 and 19 are extended, as a result of which the upper pressure roller 13 is pivoted away from the lower application roller 12. Then the upper pressure roller 13 is replaced by a new one. During this time, the stops 24 and 25, which can be designed as adjusting spindles, have been moved back via the motors 26 and 27. Thereafter, the piston rods of the piston cylinder units 18 and 19 are retracted in such a way that the upper pressure roller 13, after being replaced, only rests on the lower application roller 12 with its own weight. The web 14 is not between the two rollers 12 and 13 at this time.
  • the piston-cylinder units 18 and 19 are clamped. This means that the pistons are immovably fixed in the cylinder space. Then the stops 24 and 25 are lowered until they are supported on the swivel levers 16 via the air motors 26 and 27. Since the motors 26 and 27 are designed as air motors which have only an extremely low torque, it is ensured that the stops 24 and 25 are always supported against the pivot levers 16 with a precisely defined force. Once this is done, motors 26 and 27 are turned off and the pistons of the piston cylinder units 18 and 19 extended again. The stops 24 and 25 therefore no longer have any contact with the pivot levers 16.
  • the upper pressure roller 13 may consist of a steel core with a rubber jacket, the axial length of the rubber jacket corresponding approximately to the width of the web 14 to be coated, in order to avoid smearing of the pressure roller as far as possible.
  • this is not always possible, so that small incrustations of glue form in the course of time, in particular in the edge region of the rubber jacket.
  • the upper pressure roller 13 must be removed and the surface of the rubber jacket must be sanded. This reduces the diameter of the upper pressure roller 13, so that it is necessary, on the one hand, to reset the pressure roller 13 relative to the application roller 12 and, on the other hand, the roller 34 in the embodiment according to FIG. 3 relative to the pressure roller 13.
  • the lower applicator roller 12 is basically made of steel, so that it usually does not have to be replaced.
  • the device according to FIGS. 1 and 2 is used to coat a web, for example with wax, the web 14 can be operated with very low tensile stress.
  • a solution-free adhesive is to be applied, high web tensions are required, which make it necessary to additionally support the upper pressure roller in the manner shown in FIG. 3 by a support roller 34.
  • a dial 28 and 29 is rotatably connected to the gearbox housings 22 and 23, the position of which is determined by inintiators 32 and 33 attached to holders 30 and 31.
  • the dials 28 and 29 are then rotated by amounts calculated in advance, these amounts corresponding exactly to the extent by which the stops 24 and 25 have to be extended further.
  • the piston rods of the piston-cylinder units 18 and 19 are retracted again, so that the pivot levers 16 then bear against the stops 24 and 25 which have been extended to a certain extent.
  • the application roller 12 and the pressure roller 13 then have exactly the nip which is absolutely necessary for the web to be used and for the layer thickness to be applied.
  • FIG. 3 shows how this is done according to the invention. From this the upper pressure roller 13 can be seen, to which a support roller 34 is assigned. The latter is mounted between two arms 35 with which holders 36 are screwed tightly. Each of these holders 36 is pivotally mounted on the axis or shaft 37 on which the levers 16 are also mounted. If, for example, the upper pressure roller 13 is now to be replaced by another, the arms 35 are pivoted clockwise about the shaft 37 via the piston-cylinder units 18 'and 19' until the arms 35 bear against the stops 38.
  • the pivot levers 16 are also pivoted about the shaft 37 mounted on the side frames, so that a nip is formed between the support roller 34 and the upper pressure roller 13 on the one hand and on the other hand between the upper pressure roller 13 and the lower application roller 12. Then the new printing roller 13 can be inserted while in meanwhile the stops 39 and 40 are retracted. Then the piston rods of the piston cylinder units 18 'and 19' are retracted, for example by connecting the cylinder spaces to the atmosphere, so that the roller 13 lies on the roller 12 and the roller 34 on the roller 13.
  • the piston-cylinder units 18 'and 19' are clamped and the stops 39 and 40 are extended so far via the air motors 41 and 42 until they rest on the pivot levers 16 and the arms 35, respectively.
  • the piston rods of the piston-cylinder units are then extended again and the rollers 13 and 34 are pivoted about the shaft 37 in a clockwise direction.
  • the stops 39 and 40 are then extended further by a very specific amount, after which the piston rods of the piston cylinder units 18 'and 19' are then retracted and the pivot levers 16 against the stops 39 and the arms 35 pulled against the stops 40 and held there.
  • the air pressure in the piston-cylinder units 18 and 19 or 18 'and 19' is always maintained during operation.

Landscapes

  • Coating Apparatus (AREA)
  • Rotary Presses (AREA)
EP19910105185 1990-05-15 1991-04-02 Device for applying a fluid on a web Withdrawn EP0457010A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4015631 1990-05-15
DE4015631 1990-05-15
DE4032318 1990-10-11
DE4032318A DE4032318A1 (de) 1990-05-15 1990-10-11 Vorrichtung zum auftragen fluessiger medien auf eine bahn

Publications (2)

Publication Number Publication Date
EP0457010A2 true EP0457010A2 (fr) 1991-11-21
EP0457010A3 EP0457010A3 (en) 1992-04-01

Family

ID=25893238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910105185 Withdrawn EP0457010A3 (en) 1990-05-15 1991-04-02 Device for applying a fluid on a web

Country Status (3)

Country Link
US (1) US5275656A (fr)
EP (1) EP0457010A3 (fr)
DE (1) DE4032318A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788841A3 (fr) * 1996-02-09 1998-05-27 WindmÀ¶ller & Hölscher Dispositif d'application de colle
WO2009109450A1 (fr) * 2008-02-29 2009-09-11 Windmöller & Hölscher Kg Dispositif et procédé d’application de colle ou d’adhésif sur des pièces en fonction du format

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241743A1 (de) * 1992-12-11 1994-06-16 Bhs Bayerische Berg Beleimungsvorrichtung für eine Wellpappen-Anlage
US5743964A (en) * 1995-01-24 1998-04-28 Fata Hunter, Inc. Roll coating system
FI111134B (fi) * 1997-03-13 2003-06-13 Metso Paper Inc Menetelmä ja sovitelma filminsiirtopuristimen telojen värähtelyjen estämiseksi
JP3356262B2 (ja) * 1997-04-09 2002-12-16 ノードソン株式会社 接着剤塗布方法及び装置
IT1299644B1 (it) * 1998-02-05 2000-03-24 Uteco Spa Roto Flexo & Convert Macchina per la stampa rotocalco e per la verniciatura fino ad otto colori
US6623416B2 (en) 1999-06-18 2003-09-23 Marquip, Llc Single facer with resilient small diameter corrugating roll
US6918244B2 (en) * 2001-08-17 2005-07-19 John Eugene Dickau Vertical takeoff and landing aircraft propulsion systems
US20070018034A1 (en) * 2005-07-12 2007-01-25 Dickau John E Thrust vectoring
US20100247780A1 (en) * 2006-10-06 2010-09-30 Jan R Opsahl Roller coating system for web based substrates
CN102059844B (zh) * 2010-11-05 2012-10-24 陕西北人印刷机械有限责任公司 一种凹版印刷机的三辊印刷及驱动装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142925A1 (fr) * 1983-09-26 1985-05-29 The Black Clawson Company Rouleau enducteur de précision
JPS60190260A (ja) * 1984-03-12 1985-09-27 Kobayashi Kikai Seisakusho:Kk 塗付機に於ける間隙補正装置
WO1987006504A1 (fr) * 1986-04-30 1987-11-05 Johannes Zimmer Dispositif pour appliquer de faibles ou tres faibles quantites de substances coulantes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473243A (en) * 1946-07-03 1949-06-14 Rogers Ind Inc Coating machine for flexible sheet materials
US4354449A (en) * 1978-07-03 1982-10-19 The Black Clawson Company Two sided coater
DE3915481A1 (de) * 1989-05-11 1990-12-13 Windmoeller & Hoelscher Vorrichtung zum anstellen und abheben eines auf einen formzylinder wirkenden gegendruckzylinders
US5117768A (en) * 1991-02-25 1992-06-02 Euclid Tool & Machine Co. Three roll coating machine with pneumatic and micro controlled offset roll

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142925A1 (fr) * 1983-09-26 1985-05-29 The Black Clawson Company Rouleau enducteur de précision
JPS60190260A (ja) * 1984-03-12 1985-09-27 Kobayashi Kikai Seisakusho:Kk 塗付機に於ける間隙補正装置
WO1987006504A1 (fr) * 1986-04-30 1987-11-05 Johannes Zimmer Dispositif pour appliquer de faibles ou tres faibles quantites de substances coulantes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 43 (C-329)20. Februar 1986 & JP-A-60 190 260 ( KOBAYASHI KIKAI SEISAKUSHO ) 27. September 1985 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0788841A3 (fr) * 1996-02-09 1998-05-27 WindmÀ¶ller & Hölscher Dispositif d'application de colle
WO2009109450A1 (fr) * 2008-02-29 2009-09-11 Windmöller & Hölscher Kg Dispositif et procédé d’application de colle ou d’adhésif sur des pièces en fonction du format

Also Published As

Publication number Publication date
EP0457010A3 (en) 1992-04-01
DE4032318A1 (de) 1991-11-21
US5275656A (en) 1994-01-04

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