EP3403728A1 - Dispositif d'application de colle - Google Patents

Dispositif d'application de colle Download PDF

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Publication number
EP3403728A1
EP3403728A1 EP18172294.3A EP18172294A EP3403728A1 EP 3403728 A1 EP3403728 A1 EP 3403728A1 EP 18172294 A EP18172294 A EP 18172294A EP 3403728 A1 EP3403728 A1 EP 3403728A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
application device
melting chamber
piston
melting
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
EP18172294.3A
Other languages
German (de)
English (en)
Other versions
EP3403728B1 (fr
Inventor
Denis Lorber
Fabian BURK
Vincenzo Dr. FORCILLO
Robert KLAMPFL
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.)
Holz Her GmbH
Original Assignee
Holz Her 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 Holz Her GmbH filed Critical Holz Her GmbH
Publication of EP3403728A1 publication Critical patent/EP3403728A1/fr
Application granted granted Critical
Publication of EP3403728B1 publication Critical patent/EP3403728B1/fr
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
    • 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
    • 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
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
    • B05C11/101—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to weight of a container for liquid or other fluent material; responsive to level of liquid or other fluent material in a container
    • 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
    • B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
    • 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
    • B27G11/005—Glue guns, glue sprayers
    • 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
    • B27G11/02—Glue vessels; Apparatus for warming or heating glue
    • 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
    • B05C5/001—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material

Definitions

  • the invention relates to an adhesive application device for an edge banding machine for applying molten adhesive on a narrow side of a moving in a feed direction at a feed speed plate-shaped workpiece, wherein the adhesive application device has a melting chamber in which a fuse link for melting an insertable into the melting chamber and an adhesive in the Melting chamber movable contact pressure piston for pressing the adhesive against the fuse element are arranged, and wherein the adhesive application device has a feed unit for moving the Anpresskolbens and a nozzle body for applying the molten adhesive to the narrow side of the workpiece.
  • An adhesive application device of the aforementioned type is used in an edge banding machine, with which a Anleimkante, which is often referred to as "edge band" fed to a parallel to the feed direction of the workpiece narrow side of the workpiece and can be glued to the workpiece. Subsequently, the workpiece with the glue edge is usually fed to one or more post-processing units, for example at least one saw unit and / or at least one milling unit in order to achieve a continuous transition between the upper and lower sides of the workpiece and the Anleimkante.
  • chipboard or solid wood panels can be used as workpieces.
  • an adhesive application device for applying the adhesive to the narrow side of the workpiece, comprises a melting chamber in which a fuse link is arranged.
  • the adhesive may, for example in the form of a glue cartridge in the melting chamber be introduced.
  • a Anpresskolben is movably mounted, with the aid of which the adhesive can be pressed against the fuse.
  • the molten adhesive can then be fed to a nozzle body, with the aid of which the molten adhesive can be applied to the narrow side of the workpiece.
  • An adhesive application device of the type mentioned is from the DE 31 09 369 C2 known. It has at least one limit switch, with the aid of which a control signal can be provided when the pressing piston reaches a front end position in which it has a minimum distance to the fuse link. In this end position of the Anpresskolbens the melting chamber has reached its minimum level and new adhesive, such as a new adhesive cartridge must be introduced into the melting chamber.
  • Object of the present invention is to develop an adhesive application device of the type mentioned in such a way that it has a simpler handling.
  • an adhesive application device of the generic type according to the invention in that the adhesive application device has a sensor device which is adapted to continuously provide a corresponding to the current level of the melting chamber sensor signal when applying adhesive to the narrow side of the workpiece.
  • a sensor signal which corresponds to the current fill level of the melting chamber can be continuously provided.
  • the user can recognize how the fill level changes, so that he is already informed about the tilting fill level before reaching the minimum fill level. The user can thus be signaled not only reaching the minimum level but the current level of the melting chamber. This facilitates the handling of the adhesive application device.
  • the sensor signal provided by the sensor device preferably corresponds to the current position of the pressing piston.
  • the Anpresskolben After filling the melting chamber, so for example after the introduction of a new adhesive cartridge, the Anpresskolben first assumes a rear end position, in which he occupies a maximum distance to the fuse. During the application of molten adhesive to the narrow side of a workpiece, the pressing piston moves in the direction of the melt insert, so that its distance to the melt insert and thus the level of the melting chamber continuously reduced. The current position of the Anpresskolbens thus corresponds to the current level of the melting chamber.
  • the position of the pressing piston can be detected directly with the aid of the sensor device.
  • the adhesive applicator on a feed unit can for example have an electric drive.
  • the feed unit comprises a hydraulic or pneumatic piston-cylinder unit with an actuating piston which is connected to the pressing piston and whose current position by means of the sensor device is continuously detected.
  • the level of the melting chamber is detected on the basis of the position of the adjusting piston, which moves the pressing piston in the melting chamber.
  • the adjusting piston is preferably rigidly connected to the pressing piston.
  • the adjusting piston is rigidly connected to the pressing piston via a piston rod.
  • the sensor device has at least one sensor element which is arranged on the outside of a housing of the adhesive application device.
  • the at least one sensor element can be arranged, for example, on the outside of the melting chamber.
  • the at least one sensor element is arranged on the outside of a cylinder, in which the adjusting piston connected to the pressing piston is movably held.
  • a particular simplification of the handling of the adhesive application device is achieved in an advantageous embodiment of the invention in that the sensor device with a signal processing member is releasably connectable, by means of the signal processing member based on the change over time of the level of the melting chamber, taking into account the feed rate of the workpiece until reaching a residual level of remaining adhesive application length remaining of a minimum filling level of the melting chamber can be determined.
  • the remaining adhesive application length is the length of the narrow side of the workpiece, which can still be coated with molten adhesive with the current level of the melting chamber at constant application conditions, especially at constant feed rate and constant width of the narrow side.
  • the remaining remaining adhesive application length can be determined by the signal processing element on the basis of the current consumption of adhesive consumption per feed length of the workpiece.
  • the signal processing element is continuously provided by the sensor device, a signal corresponding to the current level of the melting chamber, so that the signal processing member determine the time change of the level and the feed rate can link.
  • the signal processing member has a display device, to which the user the remaining adhesive application length can be displayed.
  • the current length-specific adhesive consumption can be displayed on the display device, that is, the amount of adhesive that is consumed during the current application of adhesive on the narrow side of the workpiece per feed length.
  • the signal processing element can determine the length-specific adhesive consumption on the basis of the temporal change in the filling level of the melting chamber and the feed rate of the workpiece.
  • the temporal change in the filling level of the melting chamber can determine the signal processing element from the continuously provided sensor signal, which corresponds to the current fill level of the melting chamber.
  • an advantageous embodiment of an adhesive application device 10 according to the invention is shown schematically, which is used in an edgebander.
  • the edgebander is not shown in the drawing as it is known per se to a person skilled in the art.
  • the edge banding machine has, as usual, a machine frame on which various processing units, for example at least one saw unit and / or at least one milling unit, are held.
  • various processing units for example at least one saw unit and / or at least one milling unit, are held.
  • transport links for example by means of transport rollers or transport chains, a plate-shaped workpiece 12 is movable in a feed direction 14 at a feed speed.
  • the workpiece 12 has a front side 16 and a rear side 18, which are aligned perpendicular to the feed direction 14.
  • the workpiece 12 has a first narrow side 20 and a second narrow side 22, which are aligned parallel to the feed direction 14.
  • the two narrow sides 20, 22 extend over the entire length of the workpiece 12.
  • the adhesive application device 10 has transport rollers 24, 26, by means of which the adhesive application device 10 can be mounted in a direction perpendicular to the feed direction 14 oriented transport direction 28 on the machine frame of the edgebander movable and replaceable.
  • the adhesive application device 10 has a nozzle body 30.
  • Nozzle body are the expert, for example, from EP 2 308 605 A1 known.
  • the nozzle body 30 is in communication with a melting chamber 34 of the adhesive application device 10.
  • an electrically heatable fuse link 36 is arranged, with the aid of which an adhesive can be melted.
  • the adhesive can be introduced, for example in the form of a glue cartridge 38 from a reservoir 40 into the melting chamber 34.
  • the reservoir 40 is arranged in the illustrated embodiment on an upper side of the melting chamber 34.
  • a pressing piston 42 is arranged in the melting chamber 34, with the aid of which the adhesive cartridge 38 can be pressed against the melting chamber 34 and the molten adhesive can be supplied to the nozzle body 30.
  • the pressing piston 32 is between an in FIG.
  • the glue application device 10 has a feed unit 44, which in the illustrated embodiment is designed as a piston-cylinder unit 46.
  • the piston-cylinder unit has a cylinder 48, in which a control piston 50 is linearly movable.
  • the actuator piston 50 can be acted upon in the cylinder 48 with a pressurized medium, for example with a pressurized hydraulic fluid or, for example, with compressed air.
  • the actuating piston 50 Via a piston rod 52, the actuating piston 50 is rigidly connected to the pressing piston 42, so that a movement of the actuating piston 50 is transmitted to the pressing piston 42. If the pressing piston 42 assumes its rear end position, the actuating piston 50 also assumes a rear end position a, and takes the Anpresskolben 42 its front end position, so also takes the actuator piston 50 its front end position.
  • the current position of the actuating piston 50 in the cylinder 48 is detected by a sensor device 54 by means of a capacitive or inductive sensor element 56 without contact.
  • the sensor element 56 is held stationary on the outside of the cylinder 48.
  • the sensor device 54 with a signal processing member 60 releasably connectable, so that the signal processing member continuously a sensor signal can be provided which corresponds to the current position of the actuating piston 50 and thus also the current position of the Anpresskolbens 42.
  • the current position of the Anpresskolbens 42 is a measure of the level of the melting chamber 34.
  • the Anpresskolben 42 its rear end position, so is the level of the melting chamber 34 after a glue cartridge 38 has been introduced , maximum. With increasing application of molten adhesive through the nozzle body 30 to the first narrow side 20 of the workpiece 12, the Anpresskolben 42 increasingly approaches the fuse link 36 and the level of the melting chamber 34 decreases. In the front end position of the Anpresskolbens 42, the level is minimal.
  • the continuous change in the position of the Anpresskolbens 42 forms a measure of the adhesive consumption.
  • the signal processing member 60 calculates the length-specific adhesive consumption, ie the consumption of adhesive per feed length of the workpiece 12.
  • the length-specific adhesive consumption can be linked by the signal processing member 60 with the current level of the melting chamber 34 and thereby the remaining remaining adhesive application length can be determined, that is, the length of the first narrow side 20, which can still be coated with adhesive with the remaining amount of adhesive of the melting chamber 34.
  • the remaining glue application length may be as much to the user as the length-specific Glue consumption and the current level on the display device 62 are displayed visually.
  • the determination of the position of the actuating piston 50 and thus also the Anpresskolbens 42 is carried out continuously by the sensor device 54, that is, the signal processing member 60 continuously receives a current position of the Anpresskolbens 42 and thus the current level of the melting chamber 34 corresponding sensor signal, so that the user On the display device 42, at any point in time when the molten adhesive is applied, the remaining amount of glue remaining on the display 62 can be displayed.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP18172294.3A 2017-05-19 2018-05-15 Dispositif d'application de colle Active EP3403728B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017111013.5A DE102017111013A1 (de) 2017-05-19 2017-05-19 Kleberauftragsvorrichtung

Publications (2)

Publication Number Publication Date
EP3403728A1 true EP3403728A1 (fr) 2018-11-21
EP3403728B1 EP3403728B1 (fr) 2024-10-16

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ID=62186245

Family Applications (1)

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EP18172294.3A Active EP3403728B1 (fr) 2017-05-19 2018-05-15 Dispositif d'application de colle

Country Status (2)

Country Link
EP (1) EP3403728B1 (fr)
DE (1) DE102017111013A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109731732A (zh) * 2019-01-16 2019-05-10 王青 一种电子元器件生产用热熔胶高效点胶机
CN110090783A (zh) * 2019-05-20 2019-08-06 罗阿丽 一种环保型建筑模板封边机及其所使用的热熔胶及上光油
CN110712266A (zh) * 2019-10-18 2020-01-21 广州智法装饰材料有限公司 一种用于制作无缝板材的封边机
CN110756385A (zh) * 2019-11-13 2020-02-07 胡国文 一种铝合金蜂窝板自动化封边机
CN111570209A (zh) * 2020-05-29 2020-08-25 尧伟仁 一种方形玻璃窗辅助涂胶设备
CN112277103A (zh) * 2020-10-07 2021-01-29 德华兔宝宝装饰新材股份有限公司 一种提高板材树脂使用率的等离子处理方法及其装置
CN112916308A (zh) * 2019-12-05 2021-06-08 深圳市腾盛精密装备股份有限公司 一种自动点胶装置
EP4140598A1 (fr) 2021-08-25 2023-03-01 HOLZ-HER GmbH Dispositif de fusion d'adhésif pour une machine à plaquer des chants
EP4140599A1 (fr) 2021-08-25 2023-03-01 HOLZ-HER GmbH Dispositif de fusion d'adhésif pour une machine à plaquer des chants

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113457932B (zh) * 2021-05-19 2022-12-09 兰溪泛翌精细陶瓷有限公司 一种用于超精密半导体陶瓷部件调压紧固加工装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0362802A2 (fr) * 1988-10-07 1990-04-11 Nordson Corporation Dispositif pour fondre des matériaux thermoplastiques à base de hauts polymères, en particulier d'adhésifs
US5361963A (en) * 1992-09-25 1994-11-08 Tenryu Technics Co., Ltd. Dispenser
US20030080154A1 (en) * 2001-10-29 2003-05-01 Nordson Corporation Strainer and level indicator for a hot melt adhesive system
DE102011014888A1 (de) * 2011-03-23 2012-09-27 Homag Holzbearbeitungssysteme Gmbh Vorrichtung und Verfahren zur Steuerung/Regelung eines Füllstandsniveaus
EP3108968A1 (fr) * 2015-06-25 2016-12-28 Robatech AG Dispositif de determination du niveau de colle fondue dans un recipient

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109369C2 (de) 1981-03-12 1984-01-12 Reich Spezialmaschinen GmbH, 7440 Nürtingen Schmelz- und Auftragsvorrichtung für Schmelzkleber
DE20104698U1 (de) * 2001-03-19 2001-05-17 Paul Ott Gmbh, Lambach Leimbecken für eine Kantenleimmaschine
EP2308605B1 (fr) 2009-10-07 2012-06-20 HOLZ-HER GmbH Dispositif d'application de colle
DE102013015313A1 (de) * 2013-09-16 2015-03-19 Dürr Systems GmbH Applikationsanlage und entsprechendes Applikationsverfahren

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0362802A2 (fr) * 1988-10-07 1990-04-11 Nordson Corporation Dispositif pour fondre des matériaux thermoplastiques à base de hauts polymères, en particulier d'adhésifs
US5361963A (en) * 1992-09-25 1994-11-08 Tenryu Technics Co., Ltd. Dispenser
US20030080154A1 (en) * 2001-10-29 2003-05-01 Nordson Corporation Strainer and level indicator for a hot melt adhesive system
DE102011014888A1 (de) * 2011-03-23 2012-09-27 Homag Holzbearbeitungssysteme Gmbh Vorrichtung und Verfahren zur Steuerung/Regelung eines Füllstandsniveaus
EP3108968A1 (fr) * 2015-06-25 2016-12-28 Robatech AG Dispositif de determination du niveau de colle fondue dans un recipient

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109731732A (zh) * 2019-01-16 2019-05-10 王青 一种电子元器件生产用热熔胶高效点胶机
CN110090783A (zh) * 2019-05-20 2019-08-06 罗阿丽 一种环保型建筑模板封边机及其所使用的热熔胶及上光油
CN110712266A (zh) * 2019-10-18 2020-01-21 广州智法装饰材料有限公司 一种用于制作无缝板材的封边机
CN110756385A (zh) * 2019-11-13 2020-02-07 胡国文 一种铝合金蜂窝板自动化封边机
CN112916308A (zh) * 2019-12-05 2021-06-08 深圳市腾盛精密装备股份有限公司 一种自动点胶装置
CN111570209A (zh) * 2020-05-29 2020-08-25 尧伟仁 一种方形玻璃窗辅助涂胶设备
CN112277103A (zh) * 2020-10-07 2021-01-29 德华兔宝宝装饰新材股份有限公司 一种提高板材树脂使用率的等离子处理方法及其装置
EP4140598A1 (fr) 2021-08-25 2023-03-01 HOLZ-HER GmbH Dispositif de fusion d'adhésif pour une machine à plaquer des chants
EP4140599A1 (fr) 2021-08-25 2023-03-01 HOLZ-HER GmbH Dispositif de fusion d'adhésif pour une machine à plaquer des chants

Also Published As

Publication number Publication date
DE102017111013A1 (de) 2018-11-22
EP3403728B1 (fr) 2024-10-16

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