EP3999290A1 - Haftmittelauftragsanordnung und verfahren zum auftragen eines haftmittels auf ein kantenband - Google Patents
Haftmittelauftragsanordnung und verfahren zum auftragen eines haftmittels auf ein kantenbandInfo
- Publication number
- EP3999290A1 EP3999290A1 EP21742737.6A EP21742737A EP3999290A1 EP 3999290 A1 EP3999290 A1 EP 3999290A1 EP 21742737 A EP21742737 A EP 21742737A EP 3999290 A1 EP3999290 A1 EP 3999290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- adhesive application
- edge band
- control
- agent
- 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.)
- Pending
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims description 13
- 239000003292 glue Substances 0.000 claims abstract description 4
- 239000004831 Hot glue Substances 0.000 claims abstract description 3
- 230000001070 adhesive effect Effects 0.000 claims description 101
- 238000007688 edging Methods 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
Definitions
- the invention relates to an adhesive application arrangement and a method for applying an adhesive to an edgeband.
- Adhesive application arrangements which are mostly adhesive application rollers, must be brought into contact with the edge band to be coated with adhesive in order to apply the adhesive. Since in such processes the edging strip is usually moved past the adhesive application arrangement in the feed direction, it must also be ensured during the process that a supplied edging strip is only coated on that section which is intended for bonding to the workpiece. In addition, a possibility must always be created to prevent the edge band from being attached to the adhesive application arrangement if the glue application is to be omitted. After all, edge bands are parts that are subject to tolerances and can have different thicknesses along their length. When an edging strip is fed to an adhesive application roller, this can lead to different amounts of adhesive being applied locally due to fluctuations in thickness over the length of the edging strip. This too must be avoided.
- EP 3533 573 A1 An arrangement with the help of which a temporary application of adhesive to an edgeband can be avoided is out EP 3533 573 A1 is known.
- a pivoting device is provided therein, which can be pivoted with a section between the edge band and the adhesive application roller.
- the disadvantage of this design is that the feed of the edge band has to be interrupted in order to actuate the pivoting device.
- the object of the present invention is to provide an adhesive application arrangement and a method for applying an adhesive to an edge band in which the disadvantages described do not occur and with the help of which tolerance-prone changes in the thickness of the edge band can be compensated.
- the adhesive application arrangement according to the invention for applying an adhesive, in particular a glue or hot-melt adhesive, to edge bands has an adhesive supply device which supplies adhesive to an adhesive application device arranged in the region of the adhesive supply device.
- the adhesive application arrangement also includes an edge band guide device, which is designed to bring the edge band into the effective area of the adhesive application device for adhesive application.
- effective range means that range understood, in which the adhesive application device is enabled to coat at least a portion of the edgeband with adhesive.
- the edging tape guide device also has at least one control device, in particular a control roller, which is designed to rest against the side of the edging tape that is not to be coated with adhesive.
- the control device is therefore primarily used to hold the edge band in a defined relative position relative to the adhesive application device.
- the adhesive application arrangement according to the invention also has a machine controller, with the at least one control roller being mounted on a displaceable unit which can be displaced along an adjustment axis in an adjustment direction towards or away from the adhesive application device via an adjustment device controlled by the machine control. Due to the presence of the controlled adjustment axis, the edge band thickness can be taken into account in that the distance between the at least one control roller and the Adhesive application device can be adjusted or regulated. These movements cannot be carried out with simple adjusting cylinders, as these only allow two different adjustments (forward and backward).
- the invention is independent of the type of adhesive application device.
- it is in this case an adhesive applicator roller or an adhesive applicator nozzle.
- Other forms of adhesive application device are also conceivable.
- the adhesive application device is an adhesive application roller
- the axis of rotation of at least one control device designed as a control roller runs parallel to the axis of rotation of the adhesive application roller.
- the control device of the adhesive application arrangement according to the invention can preferably have two control rollers which are spaced apart from one another and whose axes of rotation are offset relative to one another in relation to the adjustment direction. This arrangement enables a particularly optimal and precise guidance of the edging tape in front of the adhesive agent application device.
- the adhesive application arrangement according to the invention has a guide for the edge band that can be moved in particular with the unit and is designed in particular as a control shaft. Precisely when the guide is designed as a control shaft, the edge band can be moved out of the effective range of the adhesive application device in a particularly simple manner by moving the entire unit using the controlled displacement axis. Advantageously, this can also be done during ongoing operation, it is not necessary to stop the edge band feed.
- the guide can be designed in such a way that an edge band guided and advanced in it is approximately in a Feed direction is transported, which is approximately perpendicular to the adjustment direction, and in particular perpendicular to the axis of rotation of the adhesive application roller, if the adhesive application device comprises an adhesive application roller.
- the method according to the invention for applying an adhesive to an edge band can be carried out in particular using the device described above.
- the procedure involves the following steps: a. providing an edge band, b . Changing the distance between the adhesive application device and the edgeband in such a way that the edgeband for the desired coating is moved into the effective range of the adhesive application device, c. End of the coating process by moving the edge band out of the effective range of the adhesive application device.
- the edge band is moved into the effective range of the adhesive agent application device via a control device, in particular a control roller, which is pushed via an adjustment axis controlled by a machine control system.
- the thickness of the supplied edging strip is preferably determined in order to control the adjustment axis for moving the control device. In this way, depending on the change in thickness, the control device can be readjusted via the controlled adjustment axis in order to compensate for any changes in thickness.
- FIG. 1 shows a schematic sectional view through an adhesive application arrangement according to the invention in a first operating state, in which the edgeband is located outside the effective range of the adhesive application device.
- FIG. 2 shows a view similar to FIG. 1 of the adhesive application device according to the invention in a second operating state, in which the edge band is located within the effective range of the adhesive application device.
- the adhesive application arrangement shown schematically in FIGS. 1 and 2 has an adhesive supply device 2, which can include an adhesive application device 1, for example in the form of an adhesive application roller 1 or an adhesive application nozzle.
- a supplied edge band 5, 7 is guided past the adhesive application device 1.
- 10 designates the direction of rotation of the adhesive application roller 1 provided in the example shown.
- 11 designates the feed direction of the edgeband 5, 7, which essentially runs parallel to the X direction, at least in part. 7 designates the leading section, 5 the trailing section of the edging strip.
- An edge band guide device (dashed line) is used to guide the edge band, which has at least one control device 3.1, 3.2, which is designed in the form of at least one control roller in the example shown, and serves to guide the supplied edge band 7, 5 into the active area of the adhesive application device 1 and to keep it there. Furthermore, the edge band guide device has a guide 4, preferably designed as a channel, through which the edge band is guided. This guide 4 has at least one wall between the edge band 5, 7 and the adhesive application device 1, so that the edge band can optionally be moved out of the effective range of the adhesive application device 2.
- the control device 3.1, 3.2 is preferably mounted on a bearing device 8 that can be adjusted in a direction Y perpendicular to the X axis.
- the guide 4 can, but does not have to, also be arranged on this bearing device 8 .
- the bearing device 8, and thus in the example shown the control device 3.1, 3.2 and also the guide 4, is displaceably guided relative to a stationary base 6 and can therefore be displaced, as indicated by the arrow P.
- This displacement preferably takes place in direction Y.
- the displacement takes place by means of an actuated adjustment axis 9, which can be actuated by a machine control system, not shown here.
- the device can have a measuring device that measures the thickness of the edge band 5, 7 or other process parameters. Depending on the thickness of the edging tape, the machine control can adjust the adjustment axis 9 accordingly, so that the edging tape 5, 7 always remains in the effective range of the adhesive application device 1 and, if possible, changes in the amount of adhesive applied are avoided.
- the edge band is withdrawn from the effective range of the adhesive application device 1, in Figure 2, the edge band is over the Adjusting axis in the effective range of the adhesive application device 1 delivered. If the adhesive application is to be interrupted, the control device can be moved away from the adhesive application device 1 via the adjustment axis 9 together with the edge band 5, 7, with the wall of the guide lying between the adhesive application device 1 and the edge band 5, 7 ensuring that allows the edge band to be pulled away from the adhesive application device 1.
- the edge band can be fed into the active area of the adhesive application device 1 or the edge band can be removed from the active area at any time during the ongoing process. In addition, it is thus possible to react to tolerance-related changes in the thickness of the edgeband by adjusting the control device and thus to ensure a uniform application of adhesive.
Landscapes
- 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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020119454.4A DE102020119454A1 (de) | 2020-07-23 | 2020-07-23 | Haftmittelauftragsanordnung und Verfahren zum Auftragen eines Haftmittels auf ein Kantenband |
PCT/EP2021/067603 WO2022017729A1 (de) | 2020-07-23 | 2021-06-28 | Haftmittelauftragsanordnung und verfahren zum auftragen eines haftmittels auf ein kantenband |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3999290A1 true EP3999290A1 (de) | 2022-05-25 |
Family
ID=76958918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21742737.6A Pending EP3999290A1 (de) | 2020-07-23 | 2021-06-28 | Haftmittelauftragsanordnung und verfahren zum auftragen eines haftmittels auf ein kantenband |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3999290A1 (de) |
DE (1) | DE102020119454A1 (de) |
WO (1) | WO2022017729A1 (de) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19917741A1 (de) * | 1999-04-20 | 2000-10-26 | Ima Maschinenfabriken Klessmann Gmbh | Vorrichtung zum Anfahren eines Kantenstreifens an eine Schmalflächenseite einer eckigen Platte |
DE19958858C2 (de) * | 1999-12-07 | 2003-11-20 | Huser Maschb Gmbh | Verfahren und Vorrichtung zum Herstellen von Furnierbahnen aus einzelnen Furnierabschnitten |
DE10051201A1 (de) | 2000-10-16 | 2002-04-25 | Nordson Corp | Vorrichtung zum flächigen Auftragen von fließfähigem Klebstoff auf ein relativ zu der Vorrichtung bewegbares Bandmaterial, insbesondere Möbelumleimer |
DE10123523B4 (de) | 2001-05-15 | 2008-07-03 | Brandt Kantentechnik Gmbh | Verfahren und Vorrichtung zum Anhaften eines streifenförmigen Deckmaterials an Werkstückoberflächen von fortlaufend bewegten platten- oder leistenförmigen Werkstücken |
DE10323266B3 (de) | 2003-05-23 | 2004-12-09 | Ima Klessmann Gmbh Holzbearbeitungssysteme | Kantenanleimaggregat für eine programmgesteuerte Maschine |
ITBO20060868A1 (it) | 2006-12-21 | 2008-06-22 | Biesse Spa | Metodo e macchina per la bordatura di componenti di legno o simili |
IT1402067B1 (it) * | 2010-10-18 | 2013-08-28 | Scm Group Spa | Apparato e metodo di incollaggio |
DE102011014995A1 (de) | 2011-03-25 | 2012-09-27 | Ima Klessmann Gmbh Holzbearbeitungssysteme | Vorrichtung zur Bearbeitung von Werkstücken |
IT201700056951A1 (it) * | 2017-05-25 | 2018-11-25 | Biesse Spa | Macchina per la bordatura di pannelli di legno o simili |
DE102017122701A1 (de) | 2017-09-29 | 2019-04-04 | Homag Gmbh | Beschichtungsvorrichtung sowie Beschichtungsverfahren |
IT201800003189A1 (it) | 2018-03-01 | 2019-09-01 | Biesse Spa | Macchina per la lavorazione di pannelli di legno o simili |
-
2020
- 2020-07-23 DE DE102020119454.4A patent/DE102020119454A1/de active Pending
-
2021
- 2021-06-28 WO PCT/EP2021/067603 patent/WO2022017729A1/de unknown
- 2021-06-28 EP EP21742737.6A patent/EP3999290A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2022017729A1 (de) | 2022-01-27 |
DE102020119454A1 (de) | 2022-01-27 |
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