EP3556477A1 - Dispositif d'application d'un liant - Google Patents

Dispositif d'application d'un liant Download PDF

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Publication number
EP3556477A1
EP3556477A1 EP19169582.4A EP19169582A EP3556477A1 EP 3556477 A1 EP3556477 A1 EP 3556477A1 EP 19169582 A EP19169582 A EP 19169582A EP 3556477 A1 EP3556477 A1 EP 3556477A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
workpiece
metering
applicator roll
roller
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Withdrawn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
EP19169582.4A
Other languages
German (de)
English (en)
Inventor
Reinhard Huber
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.)
Homag GmbH
Original Assignee
Homag 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 Homag GmbH filed Critical Homag GmbH
Publication of EP3556477A1 publication Critical patent/EP3556477A1/fr
Withdrawn legal-status Critical Current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
    • B05C1/02—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 separate articles
    • B05C1/025—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 separate articles to flat rectangular articles, e.g. flat sheets
    • 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
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • 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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work

Definitions

  • the invention relates to a device for applying an adhesive to a workpiece, with the particular plate-shaped workpieces can be provided with an adhesive.
  • the device is suitable for applying an adhesive on a broad surface / broad side of a workpiece.
  • workpieces can be made of wood, wood materials and / or composite material.
  • a workpiece can be, for example, a kitchen worktop, a furniture front, an insert board, or the like.
  • the invention relates to a method for applying an adhesive to a workpiece.
  • a workpiece to be coated is guided between an application roller and a metering roller on one side and a counterpressure roller on the other side.
  • the metering roller is arranged so close to the applicator roll, that between the metering roller and the applicator roll, a tapered gap is formed.
  • an adhesive reservoir is provided between the metering roller and applicator roll, which is filled with adhesive during operation of the adhesive application device.
  • the adhesive is conveyed through the gap formed between these rollers and applied by means of the applicator roll on a workpiece.
  • the workpiece is moved in the passage with a conveyor relative to the applicator roll.
  • the metering roller is pressed with a certain pressure on the applicator roll.
  • the resulting pressure in the nip allows for different application quantities.
  • Such adhesive application devices are usually used in continuous machines, with which relatively large quantities can be manufactured. However, such machines are not or not fully meet the increasing demands for flexible manufacturing. Furthermore, there are requirements to provide devices with such adhesive application device in the most compact design possible.
  • claim 1 proposes a corresponding device for applying an adhesive. Further preferred embodiments are in the dependent Claims listed or described below. Furthermore, the invention relates to a method according to claim 11.
  • the device for applying an adhesive may be configured to implement a preferred variant of the method according to one of the dependent method claims. Furthermore, in the context of the method, individual features of the dependent device claims can be used.
  • the apparatus for applying an adhesive to a workpiece comprises: an adhesive applicator having an applicator roll for applying an adhesive to a workpiece and having a first metering device for metering the adhesive to the applicator roll. Furthermore, the adhesive applicator comprises a second metering device for metering the adhesive to the applicator roll. It is preferably provided that the first metering device and the second metering device are provided alternately for metering the adhesive to the applicator roll.
  • a device for applying an adhesive to a workpiece in different operating modes can be operated, so that the device can be used flexibly. In particular, a change operation is made possible.
  • the adhesive application device can perform an adhesive application in two directions, for example also on the way back to a starting position. It is possible on the way back to a starting position to provide another workpiece with an adhesive or to apply a further adhesive layer on the same workpiece ("double adhesive application").
  • the application roller is arranged between the first metering device and the second metering device.
  • a dosage can be done in two directions.
  • the application roller is preferably designed such that the adhesive can be applied by the applicator roll on the wide surface of a particular plate-shaped workpiece.
  • the first metering device is a metering roller, a metering doctor blade or stationary metering element
  • the second metering device is a metering roller, a metering doctor blade or fixed metering element.
  • the first metering device is set up to form a first adhesive reservoir with the applicator roll
  • the second metering device is set up to form a second adhesive reservoir with the applicator roll.
  • an adhesive can be supplied between the applicator roll and the first or second metering roller, which is evenly distributed in the adhesive reservoir and possibly heated, and is taken from the adhesive reservoir of the applicator roll and transferred to a workpiece.
  • the first metering device and / or the second metering device can be moved towards the applicator roller and moved away from the applicator roller.
  • the first metering device and / or the second metering device can be moved towards the applicator roller and moved away from the applicator roller.
  • first metering device and the second metering device are movable in the horizontal direction are.
  • the movement in the horizontal direction facilitates the construction of the device when implementing a possibility of change between the first and second metering device.
  • the first metering device and / or the second metering device are alternately rotatable. Thus, it is possible to switch between an operation of the devices.
  • first metering device and the second metering device are provided or arranged to rotate in the same direction in the respective operation.
  • an alternate adhesive application can be provided with a low cost construction.
  • the adhesive applicator may also be formed raised and lowered.
  • the adhesive application device can respond to changing boundary conditions and adjusted according to the respective workpiece thickness.
  • a pneumatically operated or hydraulically operated device for lifting or lowering a pneumatically operated or hydraulically operated device is provided.
  • a pneumatically operated device is relatively inexpensive and thus leads to reduced overall costs.
  • a hydraulically operated device offers an increased degree of precision.
  • the adhesive means comprise a conveyor to move a workpiece relative to the applicator roll. With the conveyor, a workpiece can be supplied to the adhesive agent, so that an error-prone manual intervention is eliminated.
  • the adhesive application device can be movable along a support device for laying a workpiece, so that the workpiece can be kept stationary during the adhesive application.
  • the workpiece can be held on the broad side, which is not to be coated.
  • the adhesive application device can be raised or lowered relative to the support device.
  • a pneumatically operated device is relatively inexpensive and thus leads to reduced overall costs.
  • a hydraulically operated device offers an increased degree of precision.
  • Said device may further comprise a device for applying a coating, in particular a film, to the workpiece provided with adhesive by the adhesive application device.
  • a coating in particular a film
  • the application of the adhesive and a subsequent coating are integrated in one device.
  • Said device may further comprise a turning device which is adapted to rotate a workpiece by 180 °, wherein the turning device is preferably arranged to move the workpiece in the direction of the adhesive application device.
  • the workpiece which has been provided on one side with an adhesive and possibly with a coating on the side acted upon with adhesive, be reversed from one wide surface to another wide surface, so that a machining according to one of the preceding aspects on the other wide surface of Workpiece can be performed.
  • By integrating the turning device into the above-mentioned device is provided a space-saving design, wherein a high processing quality is ensured by the possibility of swift change of the workpiece side by turning with the turning device.
  • the invention further relates to a method for applying an adhesive to a workpiece, in particular a broad side of the workpiece, preferably using a device according to one of the preceding aspects.
  • the method comprises the steps of: dosing an adhesive on an applicator roll by means of a first metering device and applying the adhesive to a workpiece, and dosing an adhesive on the applicator roll by means of a second metering device and applying the adhesive to another workpiece.
  • the first metering device is moved to the applicator roll, and / or for forming the second adhesive reservoir, the second metering roller is moved to the applicator roll.
  • the workpiece is moved relative to the application roller, or the application roller is moved relative to the workpiece to apply the adhesive to the workpiece, and / or that the workpiece after the application of the adhesive with a coating, in particular a film , wherein the coating is pressed onto the adhesive-provided side of the workpiece.
  • the aforementioned device can each be used individually in the context of the method. Also, the device may be configured to implement features of the method individually.
  • the embodiments described below are used to apply an adhesive to a wide surface of a plate-shaped workpiece.
  • the adhesive is applied in a planar manner in order to apply a coating material, such as a foil, paper, or the like, to the side of the workpiece provided with the adhesive in a subsequent method step.
  • such apparatus or method is used to coat chipboard having a decorative and protective surface. It can be a kitchen worktop, a furniture front, a shelf of a cabinet, or the like.
  • FIGS. 1a and 1b A first embodiment of a device 1 for applying an adhesive to a workpiece is shown.
  • the first embodiment includes a conveyor (not shown) for moving workpieces relative to the adhesive applicator 10.
  • the adhesive application device 10 comprises an application roller 11, preferably provided with a rubberized surface and a counter-pressure roller 12. Between the applicator roll 11 and the platen 12, a gap is formed through which workpieces can be conveyed.
  • the application device 10 comprises a first metering roller 13 and a second metering roller 14.
  • the axes of rotation of the applicator roller 11, the counter-pressure roller 12, the first metering roller 13 and the second metering roller 14 are aligned in the horizontal direction.
  • the diameter of the metering rollers 13, 14 is smaller than the diameter of the applicator roll 11th
  • the applicator roller 11, the first metering roller 13 and / or the second metering roller 14 are heated to hold an adhesive in a flowable state.
  • the first metering roller 13 and the second metering roller 14 can be moved relative to the stationarily arranged applicator roller 11. It is preferred that the axis of rotation of the first metering roller 13 and the axis of rotation of the second metering roller 14, in the vertical direction, are arranged the same or substantially the same.
  • the relative movement between the first metering roller 13 and the applicator roller or the second metering roller 14 and the applicator roller 11 takes place in the horizontal direction, wherein according to a modification also a horizontal direction inclined or curved movement is conceivable.
  • the direction of rotation of the first metering roller 13 and the second metering roller 14 is set in the embodiment opposite to the rotational movement of the applicator roller 11.
  • In the first operating mode according to FIG. 1a is the rotational movement of the applicator roller 11 in a clockwise direction.
  • the rotational movement of the counter-pressure roller 12 takes place in the first operating mode counterclockwise.
  • the applicator roller 11 rotates counterclockwise and the second metering roller 14 in a clockwise direction.
  • the platen roller 12 is rotated clockwise.
  • the first metering roller 13 of the applicator roller 11 Before the start of the adhesive application, the first metering roller 13 of the applicator roller 11 is approached, so that the first metering roller 13 and the applicator roller 11 touch or form only a small distance between them. When viewed in side view, a tapered gap is formed between the metering roller 13 and the applicator roll 11.
  • a first workpiece W1 is conveyed from the side of the first metering roller 13 through the gap formed between the applicator roller and the counterpressure roller 12.
  • the applicator roll 11 rolls off on the wide surface of the first workpiece W1 and thereby brings the adhesive on the wide surface of the first workpiece W1.
  • the first metering roller 13 is moved away from the applicator roller 11, and the second metering roller 14 is in the direction of the applicator roller 11th guided in order to be able to form a second adhesive reservoir L2 between the second metering roller 14 and the applicator roller 11 can.
  • the lateral boundary of the second adhesive reservoir L2 via lateral segments (not shown), so that the adhesive in the second adhesive reservoir L2 between the applicator roll 11 and the second metering roller 14 is held.
  • the direction of rotation of the rolls is changed.
  • the applicator roll 11 rotates counterclockwise.
  • the second metering roller 14 rotates clockwise.
  • the first metering roller 13 can be rotated at idle or the rotational movement of the first metering roller 13 is stopped.
  • the platen roller 12 rotates clockwise.
  • a second workpiece W2 is moved through the gap formed between the application roller 11 and the counterpressure roller 12.
  • the applicator roll 11 rolls on a wide surface of the second workpiece W2, thereby applying the adhesive to the second workpiece W2.
  • the adhesive application device 10 can be operated flexibly in two ways. Depending on the operating mode of the application device, workpieces can be conveyed from two different sides through the adhesive application device 10 in order to apply an adhesive to the respective workpiece.
  • the second embodiment of a device 1a differs from the device 1 according to the first Embodiment in that the adhesive application device 10a according to the second embodiment is movable.
  • the adhesive application device 10a comprises an applicator roll 11a and a first metering roller 13a and a second metering roller 14a.
  • the metering rollers are disposed adjacent to the applicator roll 11a, and may optionally be approximated to the applicator roll 11a.
  • Fig. 2a In Fig. 1, an operation mode is shown in which the first metering roller 13a of the applicator roller 11a is approximated to form a first adhesive reservoir L1a therebetween.
  • the second metering roller 14a is spaced from the applicator roller 11a in this mode of operation.
  • the second embodiment of the device 1a further comprises a support means 15a (support table) on which a workpiece can be placed and in particular held.
  • the holding of the workpiece can take place via a clamping or tensioning device (not shown).
  • the adhesive application device 10a is located in the in Fig. 2a illustrated situation in a first mode of operation. After a first workpiece W1a has been placed on the supporting device 15a, the adhesive application device 10a is ready for an adhesive application.
  • the first metering roller 13a of the applicator roller 11a is approximated, so that the first adhesive reservoir L1a is formed between them.
  • the applicator roll 11a thereby rotates clockwise, whereas the first metering roller 13a is rotated counterclockwise.
  • the second metering roller 14a may be stopped or idle.
  • the adhesive applicator 10a As the applicator roller 11a rotates, the adhesive applicator 10a is moved along the workpiece provided on the support table 15a.
  • the first metering roller 13a points in the direction of travel of the adhesive application device 10a.
  • a gap is formed, which substantially corresponds to the thickness of the workpiece W1a.
  • the applicator roller 11a rolls on a wide surface of the first workpiece W1a, thereby applying the adhesive to the wide surface of the workpiece W1a.
  • the first workpiece W1a can be removed from the support device 15a.
  • a second workpiece W2a is placed on the support device 15a ( Fig. 3a ). Further, the first metering roller 13a is moved away from the applicator roller 11a, and the second metering roller 15a is moved toward the applicator roller 11a. Thus, a second adhesive reservoir L2a is formed between the second metering roller 14a and the applicator roller 11a.
  • the rotational direction of the applicator roller 11a is changed so that the applicator roller 11a rotates counterclockwise.
  • the second metering roller 14a turns clockwise.
  • the first metering roller 13a may be idling or stopped.
  • the adhesive application device 10a For applying an adhesive to the second workpiece W2a, the adhesive application device 10a is guided along the second workpiece W2a provided on the support device 15a. In this case, the applicator roll 11a rolls on a wide surface of the second workpiece W2a, thereby applying the adhesive to the second workpiece W2a.
  • the second workpiece W2a may be removed from the support table 15a ( Fig. 3c ).
  • the workpieces W1a, W2a After the workpieces W1a, W2a have been provided with adhesive, the workpieces W1a, W2a can each be coated on the side of the workpiece provided with the adhesive with a coating material, for example a film.
  • a coating material for example a film.
  • FIGS. 4a and 4b a further embodiment of the device 1b is shown, which has a support device 15b similar to the device 1a.
  • a support device 15b similar to the device 1a.
  • the adhesive application device reference is made to the second embodiment, wherein the device 1b can also be combined with elements of the device 1 according to the first embodiment.
  • the device 1b has a turning device 100, with which a workpiece Wb can be rotated through 180 °.
  • the workpiece is moved from the supporting device 15b to the turning device 100, so that the workpiece Wb passes between holding elements 101, 102 of the turning device 100.
  • the holding members 101, 102 are movable relative to each other to clamp the workpiece Wb.
  • the holding members 101, 102, and thus also the workpiece Wb are rotated by 180 °. Subsequently, the holding members 101, 102 are moved away from each other to release the workpiece Wb again.
  • the released workpiece Wb can again be moved in the direction of the support device 15b in order to be provided with a further coating, if necessary.

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  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
EP19169582.4A 2018-04-17 2019-04-16 Dispositif d'application d'un liant Withdrawn EP3556477A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018205801.6A DE102018205801A1 (de) 2018-04-17 2018-04-17 Vorrichtung zum Auftragen eines Haftmittels

Publications (1)

Publication Number Publication Date
EP3556477A1 true EP3556477A1 (fr) 2019-10-23

Family

ID=66334184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19169582.4A Withdrawn EP3556477A1 (fr) 2018-04-17 2019-04-16 Dispositif d'application d'un liant

Country Status (2)

Country Link
EP (1) EP3556477A1 (fr)
DE (1) DE102018205801A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776798A (en) * 1972-01-31 1973-12-04 Arvey Corp Method of making pouches
JPS5595565A (en) * 1979-01-13 1980-07-19 Matsushita Electric Works Ltd Steel plate coated with resin and its preparation
FR2553029A1 (fr) * 1983-10-07 1985-04-12 Allibert Sa Article thermoformable sous pression a corps de chauffe electrique incorpore et procede de fabrication de cet article
EP0235166A1 (fr) * 1985-09-04 1987-09-09 Steinemann Ulrich Ag Dispositif pour l'application d'un liquide sur un materiau en bande.
EP0805193A1 (fr) * 1996-04-29 1997-11-05 HAWE NEOS DENTAL Dr. H. V. WEISSENFLUH AG Procédé de liaison d'une feuille de métal avec un film de matière plastique
DE19741802A1 (de) * 1997-09-22 1999-03-25 Schaefer Hans Juergen Vorrichtung zum selektiven beidseitigen Beschichten von Leiterplatten mit hochviskosen Beschichtungsmitteln
DE19926956A1 (de) * 1998-10-02 2000-12-21 Basf Ag Vorrichtung und Verfahren zum Aufbringen eines fließfähigen Mediums auf eine bewegte Oberfläche
DE202013102624U1 (de) * 2013-06-18 2014-09-19 Kuka Systems Gmbh Fertigungseinrichtung
DE102015210685A1 (de) * 2014-11-14 2016-05-19 Sms Group Gmbh Anlage zum zumindest einseitigen Beschichten eines bandförmigen Substrats

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776798A (en) * 1972-01-31 1973-12-04 Arvey Corp Method of making pouches
JPS5595565A (en) * 1979-01-13 1980-07-19 Matsushita Electric Works Ltd Steel plate coated with resin and its preparation
FR2553029A1 (fr) * 1983-10-07 1985-04-12 Allibert Sa Article thermoformable sous pression a corps de chauffe electrique incorpore et procede de fabrication de cet article
EP0235166A1 (fr) * 1985-09-04 1987-09-09 Steinemann Ulrich Ag Dispositif pour l'application d'un liquide sur un materiau en bande.
EP0805193A1 (fr) * 1996-04-29 1997-11-05 HAWE NEOS DENTAL Dr. H. V. WEISSENFLUH AG Procédé de liaison d'une feuille de métal avec un film de matière plastique
DE19741802A1 (de) * 1997-09-22 1999-03-25 Schaefer Hans Juergen Vorrichtung zum selektiven beidseitigen Beschichten von Leiterplatten mit hochviskosen Beschichtungsmitteln
DE19926956A1 (de) * 1998-10-02 2000-12-21 Basf Ag Vorrichtung und Verfahren zum Aufbringen eines fließfähigen Mediums auf eine bewegte Oberfläche
DE202013102624U1 (de) * 2013-06-18 2014-09-19 Kuka Systems Gmbh Fertigungseinrichtung
DE102015210685A1 (de) * 2014-11-14 2016-05-19 Sms Group Gmbh Anlage zum zumindest einseitigen Beschichten eines bandförmigen Substrats

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