EP2233215A1 - Vorrichtung zur Breitenregulierung eines Oberflächenfilmes auf einer Papierbahn - Google Patents

Vorrichtung zur Breitenregulierung eines Oberflächenfilmes auf einer Papierbahn Download PDF

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Publication number
EP2233215A1
EP2233215A1 EP10157065A EP10157065A EP2233215A1 EP 2233215 A1 EP2233215 A1 EP 2233215A1 EP 10157065 A EP10157065 A EP 10157065A EP 10157065 A EP10157065 A EP 10157065A EP 2233215 A1 EP2233215 A1 EP 2233215A1
Authority
EP
European Patent Office
Prior art keywords
drum
film
transfer drum
movable
width
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
EP10157065A
Other languages
English (en)
French (fr)
Other versions
EP2233215B1 (de
Inventor
Dominique RATEL
Francis Boffano
Stéphane RIFFARD
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.)
Allimand
Original Assignee
Allimand
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 Allimand filed Critical Allimand
Priority to PL10157065T priority Critical patent/PL2233215T3/pl
Priority to SI201030812T priority patent/SI2233215T1/sl
Publication of EP2233215A1 publication Critical patent/EP2233215A1/de
Application granted granted Critical
Publication of EP2233215B1 publication Critical patent/EP2233215B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/64—Addition to the formed paper by contacting paper with a device carrying the material the material being non-fluent at the moment of transfer, e.g. in form of preformed, at least partially hardened coating

Definitions

  • the present invention relates to the field of stationery and more particularly to machines for manufacturing and forming paper.
  • One of the commonly used techniques for thus applying surface products is to transfer a film of product on a sheet of paper between two rolls in contact and in rotation, between which passes the paper support to be coated.
  • a dedicated system deposits a calibrated film thickness on the surface of each of the rolls, which film is then applied to both sides of the sheet of paper as it passes between the rolls.
  • the rollers thus perform a film transfer on the sheet of paper.
  • Scraping devices have been proposed to allow collection of excess liquid film deposited on the coating rollers and thus precisely defining the width of the film to be applied. These scraping devices are only manually adjustable only by the operators. So, if the The size of the sheet to be coated changes, the position of the scraping devices must be manually adjusted to adapt the width of the film to be deposited to that of the sheets to be coated. This disturbs the production during the adjustment phases and therefore generates additional costs. Furthermore, the manual settings of the scraping devices favor the misalignment of the scrapers and therefore do not guarantee the perfect quality of the sheets of paper produced.
  • the invention aims in particular to provide a setting device that allows an adaptation of the width of the film to be deposited without stopping the paper production line or manual intervention of the operators.
  • the present invention provides a device for adjusting the width of deposition of a surface film on a paper web, this device being intended to cooperate with at least one drum for transferring said film onto a paper web.
  • the device of the invention comprises at least one fixed scraper member adapted to rub against said transfer drum of said surface film and adapted to delimit the maximum width of the film to be deposited.
  • This device is characterized in that it comprises at least one movable scraper member in at least a first direction substantially normal to the surface of the transfer drum, and in at least a second direction substantially parallel to a generator of said transfer drum said mobile scraping member (s) cooperating with an automated moving mechanism, so as to adjust the width L of the surface film on the transfer drum between a minimum value Lmin and a maximum value Lmax determined by the fixed scraper member.
  • the device for adjusting the width of deposition of a film on a paper web advantageously allows an automatic adjustment of the width by the implementation of a set of stationary scrapers and mobile scrapers actuated by a mechanism automated.
  • the device of the invention makes it possible to eliminate the stops of production and the errors due the manual adjustments of operators in case of multiple changes in the width of the sheets of paper manufactured.
  • the automated movement mechanism comprises a translation transport of the mobile scraping member (s) in a direction substantially parallel to a generatrix of the transfer drum and tilting means (s) said (s) mobile scraping member (s), on the transfer drum.
  • the translation transport comprises a carriage for supporting the mobile scraping members and motor means for moving said carriage in translation in a direction parallel to a generatrix of the transfer drum given by guide means.
  • the transport is screw-nut type and the support carriage is mounted integral with a nut cooperating with a threaded shaft actuated in rotation by a motor.
  • Such a type of transport proves to be simple, precise and reliable to use, and at the same time inexpensive to manufacture.
  • the tilting means of the scraping members movable on the transfer drum comprise at least one tilting jack, said jack allowing the application or withdrawal of said scraper member on the transfer drum.
  • the movable scraper member and the fixed scraper member are vertically offset relative to one another and the automated movement mechanism allows at least partial superimposition of the scoring member. mobile scraping with the fixed scraper. Thanks to such a configuration, we obtain a great modularity of adjustment of the width of deposition of a surface film, and a multiplicity of possible adjustments of the value of this width to adapt it to all kinds of formats of paper strips .
  • the device of the invention comprises at least two scraping members individually movable tilting and offset vertically relative to each other, said movable scraping members being integral with the automated movement mechanism.
  • the movable scraper members are pivotally mounted on the movement carriage and each cooperate with a tilt cylinder. This gives the device of the invention great flexibility of adjustment and use.
  • the fixed and mobile scraping members each comprise a doctor blade friction against the drum and a scraped surface recovery bucket on the drum, said recovery bucket being disposed under the plate of friction, so as to recover said surface film flowing by gravity under said doctor blade, after scraping.
  • Another object of the present invention also relates to the procuration of a system for applying a surface film to a paper web.
  • This system comprises at least two drums, at least one of which comprises liquid surface film application members on its surface for transferring it to a said strip of paper circulated between said drums, as well as a rotational drive device. in the opposite direction of said drums.
  • the system of the invention is characterized in that it comprises for each drum provided with application members, at least two devices for adjusting the width of the surface film to be applied, each conforming to the device of the present invention as as described above, said devices for adjusting the width of the surface film to be applied being positioned in pairs symmetrically to each other relative to the drum and adapted to the fixed scraper member tangentially supports on the surface of said drum at each end thereof.
  • the figure 1 represents a system or machine S for applying a surface film to a paper web according to the present invention.
  • a machine S is commonly used in the paper industry on industrial lines of paper rolls and is traditionally referred to as "sizer".
  • the machine S of the invention comprises a frame B comprising an application device R of a liquid surface film to be deposited on the paper strips manufactured and supporting two devices 1 for adjusting the width of the deposition of the liquid film according to the format of the manufactured paper strips. These two adjustment devices 1 are designed to cooperate with a cylindrical transfer drum 2 supported along its axis in rotation on the frame of the machine S between which are circulated the strips of paper manufactured to coat the two faces thereof. a surface film.
  • Each adjusting device 1 is installed on the bed B of the machine so as to come into contact with the surface of the drum 2 at the ends 2a, 2b of these, in a position symmetrical to each other with respect to a median transverse plane P of the drum 2.
  • the machine S comprises at least a second, identical to the first drum 2, and also supported along its axis in rotation on the frame of the machine S.
  • the two drums 2 are both rotated in the opposite direction by a device d adapted training and customary in this type of machine, so as to allow the circulation of a paper web between said drums 2 and the deposit in contact with the surface of these drums with a surface film layer previously deposited by the application device R contained in the frame B of the machine S on the surface of the drums 2.
  • the machine S also comprises two other adjustment devices 1 of the width L of the surface film co-operating with the second non-illustrated transfer drum and also arranged on the frame of the machine symmetrically. one of the other relative to the transverse plane P median of the second drum, the median plane P being common to the two drums 2.
  • the machine S thus preferably comprises at least two transfer drums 2 and two adjusting devices 1 of the width of deposition of a surface film cooperating with the ends of each of the two drums 2.
  • Each adjustment device 1 comprises in the preferred embodiment represented in particular on the figures 2 and 3 At least a first fixed scraper member 3 adapted to tangentially rub against the surface of transfer drum 2.
  • the fixed scraper 3 is mounted at a first end 41 of a first arm 4 fixed by its second end 42 of the outer side blank 1e of the device 1 or, alternatively, on the frame B of the machine S.
  • the first end 41 comprises a plate 43 vertical and perpendicular to the axis of the arm 4, and on which the fixed scraper member 3 is pivotally fixed about an axis 5 taken on a bearing 6 secured to the front face of the plate 43, that is to say the face facing the drum 2 .
  • a hydraulic or pneumatic jack 7 is pivotally mounted substantially in the middle on a stirrup 8 secured to the rear face of the drum. platen 43, the rod 71 of said cylinder 7 being integrally connected in rotation to the axis 5 of pivoting of the fixed scraper member 3 via a triangular fin 9, pivoting at the end of rod 71 of cylinder.
  • This jack 7 is conventionally electro-controlled.
  • a displacement of the rod 71 of the jack necessarily causes a pivoting / tilting of the fixed scraper member 3 about its axis 5 on the plate 43, and therefore a disengagement movement or approximation in a substantially normal direction relative to on the surface of the drum 2.
  • each adjustment device 1 of the width L of a surface film also comprises two second scraper members 11, 12, both movable in at least a first direction substantially normal to the surface of the drum. 2, and in at least one direction substantially parallel to a generatrix of said transfer drum 2 so as to adjust the width L of the surface film on the transfer drum 2 between a minimum value Lmin and a maximum value Lmax determined by the fixed scraper member 3 as described below.
  • the movable scraping members 11, 12 cooperate with an automated movement mechanism 13 to allow their displacement along their two mobility directions mentioned above. They also have preferably a structure identical to that of the fixed scraper member 3.
  • a squeegee 8 comprises a support heel 81, preferably metal, aluminum or steel for example, integral with a pivot axis 5 of the scraper members 3, 11, 12 on which is fixed a rotating plate 821 adjustable in rotation around the shaft 822, said plate supporting a removable blade 823 clamped between the plate 821 and a metal plate 82 by knurled screws 824, the blade 823 being made of a non-marking material on the surface of the drum 2 of the machine S, and for example a rubber in the example shown or a rigid plastic.
  • the scraping members 3, 11, 12 finally comprise a recovery bucket 9 located under the flap 82 so as to recover during operation of the machine the liquid surface film scraped on the surface of the drum 2.
  • a discharge pipe 10 located at the bottom of each bucket 9 allows a return of the liquid film recovered in the bucket to be applied by the liquid film application device R located in the frame B of the machine S.
  • the movable scraping members 11, 12 and the fixed scraper member 3 are offset vertically relative to each other.
  • the movable scraping member 11 is raised relative to the fixed scraper member 3 and the other movable scraping member 12 as is apparent from the figure 4 , the scraping members 3 and 12 being located at the same height.
  • the automated displacement mechanism 13 makes it possible, if necessary during its displacement in horizontal translation to adjust the width L of deposition of a surface film, to at least partially superpose the mobile doctoring member 11 with the fixed scraping 3.
  • the automated movement mechanism 13 comprises a support arm 14 comprising a plate 141 integral with a shaft 142.
  • the plate 141 is substantially vertical pivotally supports the two movable scraping members 11, 12.
  • the plate 141 is fixed, by any appropriate means such as welding or bolting, on a first end of a shaft 142, said plate 141 being perpendicular to the longitudinal axis of said shaft 142.
  • the second end of the shaft 142 is secured to a transport 15 housed in a housing 16 of protection, which is also housed a motor 17, for example a conventional asynchronous motor, which cooperates with the transport 15 to move the arm 14 along a substantially horizontal axis and parallel to a generatrix of the transfer drum 2 and perpendicular to the longitudinal axis of the shaft 142 of the arm 14.
  • a motor 17 for example a conventional asynchronous motor
  • the transport 15 is preferably according to the present invention a screw-nut type mechanism.
  • this transport is composed in the embodiment shown of a parallelepipedic cross member 18 fixed on the frame B of the machine S and on a rear face of which is screwed the protective casing 16.
  • the cross member 18 is open on its periphery by an upper angle window 19 in which is housed a carriage 20 for fixing the support arm 14.
  • the carriage 20 comprises a substantially parallelepipedal body 201 carrying at one end, outside the crosspiece 18, a plate 202 of section substantially trapezoidal on which is fixed the second end of the shaft 142 of the arm 14, and secured to the opposite end of the plate 202 at the base of the body 201 inside the crosspiece 18 of a nut 21 mounted on a coaxial threaded shaft 22 secured in the illustrated example of the drive shaft of the motor 17.
  • the threaded shaft 22 is itself rotated and causes a die placing by helical engagement of the nut 21 along said axis 22 and thus a horizontal displacement of the carriage 20 and the support arm 14 along the threaded axis, substantially parallel to a generatrix of the transfer drum 2.
  • the carriage 20 is also guided in its horizontal translation movement through the window 19 of the crossmember 18 by means of two rails 24, 25 carried on the two walls of the crossmember 18 defining the window 19, on each of which slides a rail follower 26, 27 fixed on an edge of the plate 202 of the carriage.
  • the guidance in horizontal translation of the carriage 20 and thus of the arm 14 carrying the movable scraper members 11, 12 is thus ensured both by the screw-nut system formed of the nut 21 and the shaft 22 on which is mounted the carriage 20 and both by the guiding assembly comprising the rails 24, 25 and rail followers 26, 27, together guiding which ensures stability in horizontal translation of the arm 14 and thus movable scraping members 11, 12.
  • said movable scraping members 11, 12 are also movable in a direction substantially normal to the surface of the drum 2 of the machine S. This normal movement on the surface of the drum 2 allows a selective application of each of the movable members 11 , 12 on the surface of the drum 2 depending on the width of the desired surface film on the drum for application to the manufactured paper sheets.
  • the automated movement mechanism 13 of the adjusting device 1 of the invention comprises a tilting tool 28 of each scraper member 11, 12 fixed in rotation on the plate 141 of the arm 14.
  • This tilting tool 28 is advantageously constituted, in the context of the invention, preferably by a hydraulic or pneumatic jack 29 mounted to pivot substantially in the middle on a stirrup 30 secured to the rear face of the plate 141, the scraping members 11, 12 being mounted on the front face of said plate 141.
  • the cylinders 29 are connected to the end of their rod 291 to the pivot axis of the scraper members 11, 12 via a triangular fin 31, pivoting to the level of the end of the cylinder rod and secured to the pivot axis of the scraper members 11, 12.
  • the cylinders 29 are also conventionally electrically controlled.
  • a displacement of the rod 291 of the cylinders 29 necessarily causes a pivoting / tilting of the scraper members 11, 12 around their axis of attachment to the plate 141, and therefore a release movement or approximation in a substantially normal direction by relative to the surface of the drum 2.
  • each device On the front face of the plate 141 of each device are finally installed water spray nozzles 32. These spray nozzles are used to moisten the surface of the drum 2 when the scraper member 11 is in recovery with the body of 3. In effect, in overlap, the scraper member 3 removes the entire surface film and the contact of the scraper member 11 can not be dry without damaging the coating of the drum 2 and the blade 823.
  • the two fixed scraper means 3 define as shown on the figure 2 , the maximum width Lmax of coating machine S, and more precisely of its transfer drums 2.
  • the width L1 of the scraping members 3 of the two devices 1 is defined so that the format of the sheets of paper to be treated by the machine S, and more exactly the width of the treated paper sheets, is always less than the maximum width Lmax.
  • the fixed scraper member 3 of each device is held in application against the surface of the transfer drum 2 and scrapes the surface film at the edges 2a, 2b of the drum 2, the film of surface having been previously deposited on the surface of the drum through the application device R of the machine S.
  • the movable scrapers 11, 12 each have a width L2 , preferably 125 mm in the preferred embodiment shown, which means that they can scrape an additional width of 250 mm in addition to 120 mm scraped by the fixed scraper member 3 from the edges 2a, 2b of the drum 2.
  • L2 preferably 125 mm in the preferred embodiment shown
  • this amplitude can be increased without limit by the addition of as many additional mobile scrapers as necessary.
  • Each of the fixed and mobile scraping members of each device 1 is liftable independently of the others by means of the electrically controlled cylinders 7, 29 and the arm 14 supporting the movable members 11, 12 has a 125 mm horizontal displacement in translation movement provided by the transport 15 of the motorized movement assembly 13.
  • the maximum format of the sheets of paper that can be processed with the machine S has the maximum width Lmax determined by the fixed scraping members 3 of the adjusting devices 1.
  • the movable scraping members 11, 12 of said adjustment devices then allow to vary the width of coating L according to the paper sheet sizes of width less than Lmax.
  • the paper machine When the paper machine is equipped with a sheet size measurement for generating a position command on each of the edges of the paper support, it is possible to automatically control the positioning of each of the devices 1 for adjusting the width of the paper. coating from the given instruction.

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  • Coating Apparatus (AREA)
  • Paper (AREA)
EP10157065.3A 2009-03-24 2010-03-19 Vorrichtung zur Breitenregulierung eines Oberflächenfilmes auf einer Papierbahn Active EP2233215B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL10157065T PL2233215T3 (pl) 2009-03-24 2010-03-19 Urządzenie do regulacji szerokości warstewki powierzchniowej na taśmie papieru
SI201030812T SI2233215T1 (sl) 2009-03-24 2010-03-19 Naprava za reguliranje širine površinskega sloja na papirni progi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0951899A FR2943692B1 (fr) 2009-03-24 2009-03-24 Dispositif de reglage de la laize d'un film de surface sur une bande de papier

Publications (2)

Publication Number Publication Date
EP2233215A1 true EP2233215A1 (de) 2010-09-29
EP2233215B1 EP2233215B1 (de) 2014-08-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10157065.3A Active EP2233215B1 (de) 2009-03-24 2010-03-19 Vorrichtung zur Breitenregulierung eines Oberflächenfilmes auf einer Papierbahn

Country Status (6)

Country Link
EP (1) EP2233215B1 (de)
ES (1) ES2524945T3 (de)
FR (1) FR2943692B1 (de)
PL (1) PL2233215T3 (de)
PT (1) PT2233215E (de)
SI (1) SI2233215T1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107824402A (zh) * 2017-10-27 2018-03-23 浙江越千树数码科技有限公司 一种胶水回收机构

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105214889A (zh) * 2015-08-28 2016-01-06 张家港飞腾铝塑板股份有限公司 一种多色涂装辊机构
CN105251668B (zh) * 2015-09-30 2017-08-22 大连理工大学 一种制备吸波涂层的装置及方法
CN114367418A (zh) * 2020-10-15 2022-04-19 衡阳功整钢纤维有限公司 钢纤维丝刮胶装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829575A1 (de) * 1996-09-12 1998-03-18 Voith Sulzer Papiermaschinen GmbH Verfahren und Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
WO2002031262A1 (en) * 2000-10-13 2002-04-18 Metso Paper, Inc. Coating method and coating apparatus
US6468592B1 (en) * 1997-08-15 2002-10-22 Jagenberg Papiertechnik Gmbh Applying a pigment coating to a paper or cardboard strip
US20050019499A1 (en) * 2001-10-29 2005-01-27 Fuji Photo Film Co., Ltd. Coating method and apparatus
JP2006347075A (ja) * 2005-06-17 2006-12-28 Mitsubishi Pencil Co Ltd 塗膜転写具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829575A1 (de) * 1996-09-12 1998-03-18 Voith Sulzer Papiermaschinen GmbH Verfahren und Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
US6468592B1 (en) * 1997-08-15 2002-10-22 Jagenberg Papiertechnik Gmbh Applying a pigment coating to a paper or cardboard strip
WO2002031262A1 (en) * 2000-10-13 2002-04-18 Metso Paper, Inc. Coating method and coating apparatus
US20050019499A1 (en) * 2001-10-29 2005-01-27 Fuji Photo Film Co., Ltd. Coating method and apparatus
JP2006347075A (ja) * 2005-06-17 2006-12-28 Mitsubishi Pencil Co Ltd 塗膜転写具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107824402A (zh) * 2017-10-27 2018-03-23 浙江越千树数码科技有限公司 一种胶水回收机构

Also Published As

Publication number Publication date
EP2233215B1 (de) 2014-08-27
FR2943692A1 (fr) 2010-10-01
PT2233215E (pt) 2014-12-05
PL2233215T3 (pl) 2015-02-27
SI2233215T1 (sl) 2015-01-30
ES2524945T3 (es) 2014-12-15
FR2943692B1 (fr) 2011-04-22

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