EP1118708A2 - Dispositif d'enduction - Google Patents

Dispositif d'enduction Download PDF

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Publication number
EP1118708A2
EP1118708A2 EP01100235A EP01100235A EP1118708A2 EP 1118708 A2 EP1118708 A2 EP 1118708A2 EP 01100235 A EP01100235 A EP 01100235A EP 01100235 A EP01100235 A EP 01100235A EP 1118708 A2 EP1118708 A2 EP 1118708A2
Authority
EP
European Patent Office
Prior art keywords
functional unit
application
supporting structure
superordinate
distribution channel
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
EP01100235A
Other languages
German (de)
English (en)
Other versions
EP1118708A3 (fr
EP1118708B1 (fr
Inventor
Eckhard Wozny
Bernd Eberhardt
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent 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 Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1118708A2 publication Critical patent/EP1118708A2/fr
Publication of EP1118708A3 publication Critical patent/EP1118708A3/fr
Application granted granted Critical
Publication of EP1118708B1 publication Critical patent/EP1118708B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
    • 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
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/34—Knife or blade type coaters
    • 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
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/18—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material only one side of the work coming into contact with the liquid or other fluent material

Definitions

  • the invention relates to a device for applying a liquid or pasty application medium on a running surface, the When applying directly, the surface of a material web, in particular from paper or cardboard, and in the case of an indirect order Surface of a transfer element, preferably a transfer roller, which is the application medium then to the surface of the material web transmits, wherein the application device a distribution channel for feeding of order medium includes, as well as a compensation chamber, which with the distribution channel over a plurality of in the transverse direction of the substrate distributed transfer openings is connected, and wherein a first boundary wall of the compensation chamber on a parent Support structure or a part attached to it is formed while a second boundary wall of the compensation chamber on one Functional unit is formed, which on the parent support structure or a part pivotally attached to this is.
  • Such application devices with pivoting functional units are for example from DE 44 32 177 A1 and EP 0 846 804 A1 known which disclose both free jet nozzle applicators.
  • the distribution channel is in the parent supporting structure or the part attached to it educated. Accordingly, the functional unit is only used for limitation the compensation chamber and for the arrangement or training of one of the Nozzle lips of the discharge nozzles of these free jet nozzle applicators.
  • the object of the present invention is an application device to provide, which is easier to maintain or clean.
  • the distribution channel is an elongated, preferably substantially has rectangular, cross-sectional area, so the application device due to this space-saving construction of the distribution channel during operation closer to the counter surface (e.g. surface of the counter roller) be pivoted up without the excess return Order medium becomes too tight. This offers greater freedom when choosing the operating angle of the application device according to the invention.
  • the functional unit on the parent supporting structure or the part attached to it can be anchored.
  • a Swivel drive device for pivoting the Functional unit relative to the superordinate supporting structure.
  • the Swivel drive device can preferably at one of the lateral ends attack the applicator, i.e. on the drive side or / and the Driver's side of the application device.
  • a swivel drive device For example, a motor-driven screw jack comes in Consideration.
  • at least one can also End stop to limit the pivoting movement of the functional unit be provided.
  • This further functional unit can be a doctor blade device, for example for dosing and / or leveling the applied on the surface Include layer of application medium, such as a doctor blade or a Doctor blade with smooth or profiled surface. It can also be provided be that the further functional unit together with the one functional unit the order chamber of a commissioned work with a short exposure time forms or that the further functional unit together with the one Functional unit forms the delivery nozzle of a free jet nozzle applicator.
  • the one functional unit against one Functional unit is interchangeable, which is only a cover of the Compensation chamber delimiting wall parts of the superordinate supporting structure or the part attached to it or which one Distribution channel for supplying order medium and a plurality of in The individual nozzles are distributed across the substrate Delivery of the order medium to the underground includes.
  • an application device is generally 10a designated. It serves to apply a layer 54 of application medium 28 onto a substrate U moving in the direction of the arrow L, for example a material web, in particular made of paper or cardboard.
  • the application device 10a is in the illustrated embodiment as application device with short exposure time (SDTA - short dwell time applicator). It comprises a first functional unit 12a, which a support beam 14 is pivotally articulated by means of a hinge 16, and a second functional unit 18a, which is connected to a support beam 14 connected part 20 is arranged.
  • SDTA - short dwell time applicator short exposure time applicator
  • the first functional unit 12a comprises a base plate 22a, by means of which it is hinged to the support beam 14 via the hinge 16.
  • a distribution pipe 24a connected to the base plate 22a, the manifold 24a and the Base plate 22a together delimit a distribution channel 26a which the application medium 28 in the transverse direction Q of the underground U is fed.
  • the compensation chamber 32a is downward in the embodiment according to FIG. 1 a sealing projection 38a equipped with a sealing element 36a sealed. 1 in front of or behind the in view of FIG Side edges of the compensation chamber 32a are arranged in the plane of the drawing corresponding (not shown) sealing arrangements are provided.
  • an attachment element 40a attached, which together with a doctor device 42a Application chamber 44a of the SDTA application device 10a is limited.
  • the Doctor device 42a which is part of the second functional unit 18a in the illustrated embodiment, a doctor rod 46a smooth or profiled surface, which is accommodated in a doctor bed 48a is.
  • the doctor bed 48a is over a blade member 50a and one roughly schematically arranged as a double arrow adjusting device 52 on the attached to the support beam 14 part 20.
  • the application medium 28 with which in Underground U moving in the direction of arrow L i.e. with direct application with the surface of a material web, in particular from paper or cardboard, or in the case of an indirect order with the Surface of a transfer element, in particular a transfer roller, which then applies the layer 54 of application medium 28 applied to it in the running direction L downstream of the application device 10a to the Material web transfers.
  • a collecting trough 56 is provided, which is arranged on the support beam 14 is attached and is used by means of the doctor device 42a Underground U scraped off excess application medium 28 ' and in a (not shown) order medium supply for renewed Feed back through the distribution channel 26a.
  • Spacers 60a are provided, which additionally via an anchoring device 62a, for example screw bolts, on the supporting beam 14 are positively anchored to prevent accidental lifting of the Spacers 60a or pivoting the base plate 22a or entire first functional unit 12a from the support beam 14 reliably to be able to prevent.
  • an anchoring device 62a for example screw bolts
  • the application device 10a described above is in several Advantages advantageous:
  • any distribution channel 26a or leakage application medium emerging from the compensation space 32a, such as the doctored excess application medium 28 'also from the Collecting gutter 56 is collected. So pollution is the Application device 10a or the surrounding system parts in a simpler manner Reliably prevented.
  • FIG. 3 shows a further embodiment of an inventive one Application device shown, which is essentially the application device 1 and 2 corresponds. 3 are therefore analog Parts with the same reference numerals as in Fig. 1, but supplemented by the lowercase letter "b" instead of "a". In addition, the embodiment 3 are described below only in so far, than it differs from the embodiment according to FIGS. 1 and 2 the description of which is hereby expressly otherwise referred to.
  • the application device 10b according to FIG. 3 differs from the application device 10a according to Figures 1 and 2 as a free jet nozzle applicator educated. For this purpose, this is on the base plate 22b of the first functional unit 12b attached attachment element 40b on its underground U facing free end formed as a nozzle lip 70b.
  • the second functional unit 18b comprises a nozzle lip element 72b which via a blade element 50b and the adjusting device 52 on the with the Support beam 14 connected part 20 is attached.
  • the nozzle lips 70b and 72b together delimit a nozzle channel 74b through which the application medium 28 in the free jet as an application layer 54 to the substrate U is delivered.
  • the conversion from the SDTA application device 10a according to FIG. 1 and 2 to the free jet nozzle application device 10b according to FIG. 3 can by simple replacement of the SDTA functional units 12a and 18a with the Free jet functional units 12b and 18b take place.
  • the first SDTA functional unit 12a from the support beam 14 to pivot and unhinge from the hinge 16, instead of this to hang the first free jet functional unit 12b in the hinge 16, then pivot against the support beam and at 62b on this to anchor.
  • only the doctor device 18a needs Loosen the adjusting device 52 from that fastened to the supporting beam 14 Element 20 removed and replaced with the nozzle lip assembly 18b to become.
  • first SDTA functional unit 12a and the first free jet functional unit 12b only in their construction differ in the shape of the elements 40a and 40b.
  • FIG. 4 is a further embodiment of an inventive Application device shown, which essentially the above corresponds to explained application devices. 4 are therefore analog Parts with the same reference numerals as in Fig. 1, but supplemented by the lowercase letter “c" instead of "a". In addition, the embodiment 4 are described below only in so far, than it differs from the embodiments explained above, otherwise expressly referred to the description thereof be.
  • the application device 10c is as Application device with long exposure time (LDTA - long dwell time applicator).
  • the first functional unit 12b includes Single nozzle applicator, in which the application medium 28 by means of a plurality of in the transverse direction Q side by side on the distribution pipe 24c arranged individual nozzles 80c applied to the substrate U as a spray jet becomes.
  • the downstream in the direction L of the underground U The first functional unit 12c arranged second functional unit 18c is in the embodiment shown in Fig. 4 again as a doctor device 42c, which is applied to the underground U.
  • Layer 54 of the application medium is dosed and leveled.
  • the base plate 22c of the first functional unit 12c has no openings on. However, it is used as a cover plate for the SDTA applicator 10a and the free jet nozzle application device 10b Compensating chamber 32a or 32b delimiting on the part of the support beam 14 Surface sections 31 formed and protects them from contamination due to drying medium 28.
  • the device 10d also only for metering and / or leveling a layer 54 serve of application medium 28, which on a in the direction L of the Underground U upstream of the device 10d on the underground U has been applied.
  • the first functional unit comprises 12d only a cover plate 22d, while the second functional unit 18d again has a doctor device 42d.

Landscapes

  • Coating Apparatus (AREA)
  • Massaging Devices (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Treatment Of Fiber Materials (AREA)
EP01100235A 2000-01-14 2001-01-03 Dispositif d'enduction Expired - Lifetime EP1118708B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10001393 2000-01-14
DE10001393A DE10001393A1 (de) 2000-01-14 2000-01-14 Auftragsvorrichtung Dosier/Egalisier-Vorrichtung

Publications (3)

Publication Number Publication Date
EP1118708A2 true EP1118708A2 (fr) 2001-07-25
EP1118708A3 EP1118708A3 (fr) 2002-08-14
EP1118708B1 EP1118708B1 (fr) 2006-04-05

Family

ID=7627550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100235A Expired - Lifetime EP1118708B1 (fr) 2000-01-14 2001-01-03 Dispositif d'enduction

Country Status (3)

Country Link
EP (1) EP1118708B1 (fr)
AT (1) ATE322577T1 (fr)
DE (2) DE10001393A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010112243A1 (fr) 2009-03-31 2010-10-07 Voith Patent Gmbh Dispositif et procédé de revêtement de bandes de matière, en particulier de bandes de papier ou de carton
WO2014184046A1 (fr) * 2013-05-14 2014-11-20 A. Monforts Textilmaschinen Gmbh & Co. Kg Dispositif d'enduction et/ou imprégnation d'une bande continue de matériau textile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102994960A (zh) * 2011-09-14 2013-03-27 鸿富锦精密工业（深圳）有限公司 电弧离子镀膜装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414949A1 (de) 1994-04-28 1995-11-02 Voith Gmbh J M Vorrichtung zum Auftragen von mindestens einem flüssigen Medium auf eine laufende Materialbahn
DE4432177A1 (de) 1994-09-09 1996-03-14 Voith Gmbh J M Auftragswerk zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
EP0846804A1 (fr) 1996-11-29 1998-06-10 Voith Sulzer Papiermaschinen GmbH Procédé et dispositif pour l'application directe ou indirecte d'un médium liquide ou pâteux sur une bande de matériau en mouvement, en particulier une bande de papier ou de carton

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8503652D0 (sv) * 1985-07-05 1985-07-31 Yngve Fundell Short-dwell-applicering med stort smetoverskott
FI79577C (fi) * 1986-07-25 1990-01-10 Valmet Paper Machinery Inc Short-dwell-belaeggningsanordning.
US5599393A (en) * 1995-04-25 1997-02-04 Macmillan Bloedel Limited Metering rod coaters
FI105167B (fi) * 1995-12-28 2000-06-30 Valmet Corp Applikointilaite päällystysaineen applikoimiseksi liikkuvalle alustalle
AU6444198A (en) * 1997-03-31 1998-10-22 Beloit Technologies, Inc. A coating apparatus for applying coating material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414949A1 (de) 1994-04-28 1995-11-02 Voith Gmbh J M Vorrichtung zum Auftragen von mindestens einem flüssigen Medium auf eine laufende Materialbahn
DE4432177A1 (de) 1994-09-09 1996-03-14 Voith Gmbh J M Auftragswerk zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn
EP0846804A1 (fr) 1996-11-29 1998-06-10 Voith Sulzer Papiermaschinen GmbH Procédé et dispositif pour l'application directe ou indirecte d'un médium liquide ou pâteux sur une bande de matériau en mouvement, en particulier une bande de papier ou de carton

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010112243A1 (fr) 2009-03-31 2010-10-07 Voith Patent Gmbh Dispositif et procédé de revêtement de bandes de matière, en particulier de bandes de papier ou de carton
DE102009002017A1 (de) 2009-03-31 2010-10-07 Voith Patent Gmbh Vorrichtung und Verfahren zum Beschichten von Materialbahnen, insbesondere Papier- oder Kartonbahnen
WO2014184046A1 (fr) * 2013-05-14 2014-11-20 A. Monforts Textilmaschinen Gmbh & Co. Kg Dispositif d'enduction et/ou imprégnation d'une bande continue de matériau textile

Also Published As

Publication number Publication date
EP1118708A3 (fr) 2002-08-14
ATE322577T1 (de) 2006-04-15
DE50109407D1 (de) 2006-05-18
EP1118708B1 (fr) 2006-04-05
DE10001393A1 (de) 2001-07-19

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