EP0453936B1 - Dispositif d'encollage pour machines à encoller les bords - Google Patents

Dispositif d'encollage pour machines à encoller les bords Download PDF

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Publication number
EP0453936B1
EP0453936B1 EP91106112A EP91106112A EP0453936B1 EP 0453936 B1 EP0453936 B1 EP 0453936B1 EP 91106112 A EP91106112 A EP 91106112A EP 91106112 A EP91106112 A EP 91106112A EP 0453936 B1 EP0453936 B1 EP 0453936B1
Authority
EP
European Patent Office
Prior art keywords
slide
sealing
feeler
applicator device
workpiece
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.)
Expired - Lifetime
Application number
EP91106112A
Other languages
German (de)
English (en)
Other versions
EP0453936A3 (en
EP0453936A2 (fr
Inventor
Roland Henzler
Anton Abt
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.)
Reich Spezialmaschinen GmbH
Original Assignee
Reich Spezialmaschinen 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 Reich Spezialmaschinen GmbH filed Critical Reich Spezialmaschinen GmbH
Priority to AT91106112T priority Critical patent/ATE99566T1/de
Publication of EP0453936A2 publication Critical patent/EP0453936A2/fr
Publication of EP0453936A3 publication Critical patent/EP0453936A3/de
Application granted granted Critical
Publication of EP0453936B1 publication Critical patent/EP0453936B1/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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0204—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to the edges of essentially flat articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00—Applying adhesives or glue to surfaces of wood to be joined

Definitions

  • the present invention relates to an adhesive application device in edge banding machines according to the preamble of claim 1.
  • Such an application device is known from DE-A-17 28 470, a displaceable metering rod engaging in the feed channel for the adhesive determining the adhesive width.
  • the metering rod can be connected to a scanning device scanning the workpiece for the automatic adaptation of the adhesive widths to the plate-shaped workpiece.
  • the object of the present invention is therefore to create an application device of the type mentioned at the outset, which allows an exact release of the adhesive width as a function of the height of the plate-shaped workpiece.
  • the feeler slide according to the invention adapts exactly to the surface of the plate-shaped workpiece and thus controls the adhesive application according to the workpiece height.
  • the slide valve is connected to the metering rod in a resiliently displaceable manner, so that when the metering rod is connected to the bridge of the edge banding machine, it automatically adapts to the workpiece height.
  • a particularly flawless sealing of the application bores to be closed results from a groove in the nozzle body arranged in the region of the application bores, into which a sealing strip of the push-button slide engages in a sealing manner.
  • Fig. 1 shows part of the edge banding machine with bridge 1, on which the transport rollers 2 are pivotally mounted and with a conveyor chain 3, on which the plate-shaped workpiece 4 rests and with which it is guided past the application device 5 for the adhesive.
  • This consists in a known manner of a wedge-shaped nozzle body 6 which is provided with a feed channel 8 for the adhesive which extends perpendicular to the feed direction 7 of the workpiece 4 and from which a number of application bores 9 open between the ribs 10 of a doctor blade 11.
  • a metering rod 13 slidably engages in the feed channel 8 and only releases the application bores 9 desired for the adhesive application.
  • it is connected to the bridge 1 by a linkage 14, which is adjusted to the respective workpiece 4.
  • the adhesive passes from a melting chamber (not shown) via a container 15 through an axial bore 16 in the metering rod 13 and through a lateral opening 17 into the application bores 9 and thus onto the narrow surface 12.
  • a push slide 18 is slidably mounted together with the metering rod 13, the sealing surface 19 of which rests on the squeegee 11 and the push surface 20 rests on the surface 21 of the workpiece 4.
  • the slide switch 18 is connected to a guide rod 22 which is mounted on the linkage 14 so as to be displaceable against the action of a compression spring 23.
  • the nozzle body 6 in the area of the application holes 9 has a vertical groove 24, in which a sealing strip 25 of the slide valve 18 engages in a sealing manner. This ensures a secure closure of the order bores 9 to be sealed.
  • Fig. 4 shows that the key surface 20 of the slide valve 18 is arranged inclined to the sealing surface 19. This ensures that the push slide 18 is pressed by the workpiece 4 against the rack 11, which increases the sealing effect. Furthermore, Fig. 1 shows that the key slide 18 has an inlet slope 28 so that it is raised by the incoming workpiece 4.
  • an inclined contact surface 29 is used at its lower end (see FIG. 4), against which the lower edge of the narrow surface 12 abuts and prevents the hot melt adhesive from escaping downwards in an undesirable manner.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Coating Apparatus (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (7)

  1. Dispositif d'application d'adhésif sur des machines à encoller les visières avec un corps de buse (6) cunéiforme, un canal d'alimentation (8) pour l'adhésif, perpendiculaire à la direction d'avance (7) de la pièce à encoller (4), duquel canal au moins une rangée d'alésages d'application (3) débouche entre les nervures (10) d'une racle (11), et avec une tige de dosage (13) logée de façon déplaçable dans le canal d'alimentation (8) ; caractérisé en ce que un coulisseau à effleurement (18), déplaçable parallèlement à la tige de dosage (13) est logé dans la zone des alésages d'application (9), adhère à travers une surface d'étanchement (19), la surface du coulisseau à effleurement (20) coopérant avec la pièce à encoller (4).
  2. Dispositif d'application selon la revendication 1, caractérisé en ce que le coulisseau à effleurement (18) est logé de façon déplaçable par rapport à l'action d'une force élastique (23) sur la tige de dosage (13).
  3. Dispositif d'application selon la revendication 1 ou 2, caractérisé en ce que le coulisseau à effleurement (18) est équipé d'une barrette d'étanchement (25) engrènant de façon étanche dans une rainure (24) disposé dans le corps de buse (6) dans la zone des alésages d'application (9).
  4. Dispositif d'application selon l'une des revendications 1 à 3, caractérisé en ce que le coulisseau à effleurement (18) présente au moins une branche d'étanchement (26) perpendiculaire à la surface d'étanchement (19), en contact étanche avec le corps de buse (6) à l'extrémité de la racle (11).
  5. Dispositif d'application selon l'une des revendications 1 à 4, caractérisé en ce que la surface d'effleurement (20) du coulisseau à effleurement (18) est disposée de façon inclinée par rapport à la surface d'étanchement (19).
  6. Dispositif d'application selon l'une des revendications 1 à 5, caractérisé en ce que la surface d'effleurement (20) présente un biseau de guidage (28).
  7. Dispositif d'application selon l'une des revendications 1 à 6, caractérisé en ce que la racle (11) présente à son extrémité inférieure une surface d'appui (29) inclinée pour le bord inférieur du chant (12).
EP91106112A 1990-04-21 1991-04-17 Dispositif d'encollage pour machines à encoller les bords Expired - Lifetime EP0453936B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91106112T ATE99566T1 (de) 1990-04-21 1991-04-17 Klebstoff-auftragsvorrichtung bei kantenanleimmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4012726 1990-04-21
DE4012726A DE4012726A1 (de) 1990-04-21 1990-04-21 Klebstoff-auftragsvorrichtung bei kantenanleimmaschinen

Publications (3)

Publication Number Publication Date
EP0453936A2 EP0453936A2 (fr) 1991-10-30
EP0453936A3 EP0453936A3 (en) 1991-12-11
EP0453936B1 true EP0453936B1 (fr) 1994-01-05

Family

ID=6404797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91106112A Expired - Lifetime EP0453936B1 (fr) 1990-04-21 1991-04-17 Dispositif d'encollage pour machines à encoller les bords

Country Status (4)

Country Link
EP (1) EP0453936B1 (fr)
AT (1) ATE99566T1 (fr)
DE (2) DE4012726A1 (fr)
ES (1) ES2050474T3 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20010315A1 (it) * 2001-05-18 2002-11-18 Scm Group Spa Gruppo distributore di colla in particolare per macchine per la lavorazione di pannelli di legno
US7507295B2 (en) 2005-03-22 2009-03-24 Nordson Corporation Adhesive dispenser
US8127711B2 (en) 2007-07-05 2012-03-06 Nordson Corporation Mounting systems for an adhesive application system and methods for applying adhesive
ES2398010T3 (es) 2009-07-21 2013-03-13 Holz-Her Gmbh Dispositivo de aplicación de cola
ES2388480T3 (es) 2009-10-07 2012-10-15 Holz-Her Gmbh Dispositivo para aplicación de cola
DE202009016025U1 (de) 2009-11-18 2010-02-18 Reich Spezialmaschinen Gmbh Verleimvorrichtung
DE202009016024U1 (de) 2009-11-18 2010-02-18 Reich Spezialmaschinen Gmbh Vorrichtung zum Bereitstellen von schmelzflüssigem Kleber
IT1396969B1 (it) * 2009-12-18 2012-12-20 Scm Group Spa Metodo di incollaggio
DE102013003688A1 (de) * 2012-10-26 2014-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kombinationsdüse sowie Vorrichtung für den Auftrag eines viskosen Materials auf eine Bauteilkante
CN108501163B (zh) * 2018-04-09 2020-02-07 机械科学研究总院海西（福建）分院有限公司 各环节自动衔接的板式家具生产线
CN109318319A (zh) * 2018-11-02 2019-02-12 东莞市同步自动化技术有限公司 封边机及其刮涂装置
DE102019101539A1 (de) 2019-01-22 2020-07-23 Christof Schulte-Göbel Vorrichtung zum Bereitstellen von Klebstoff
DE102022110163A1 (de) 2022-04-27 2023-11-02 Homag Gmbh Vorrichtung zum Beschichten eines Werkstücks
DE102022130446A1 (de) * 2022-11-17 2024-05-23 Homag Gmbh Vorrichtung und Verfahren zum Beschichten eines Werkstücks

Also Published As

Publication number Publication date
DE4012726A1 (de) 1991-10-24
EP0453936A3 (en) 1991-12-11
ATE99566T1 (de) 1994-01-15
DE59100795D1 (de) 1994-02-17
EP0453936A2 (fr) 1991-10-30
ES2050474T3 (es) 1994-05-16

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