EP3938120A1 - Vorrichtung zum abtragen von schmelzklebstoff - Google Patents
Vorrichtung zum abtragen von schmelzklebstoffInfo
- Publication number
- EP3938120A1 EP3938120A1 EP20712879.4A EP20712879A EP3938120A1 EP 3938120 A1 EP3938120 A1 EP 3938120A1 EP 20712879 A EP20712879 A EP 20712879A EP 3938120 A1 EP3938120 A1 EP 3938120A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- melt adhesive
- hot melt
- roller
- scraper
- adhesive
- 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
- 239000004831 Hot glue Substances 0.000 title claims abstract description 88
- 239000000853 adhesive Substances 0.000 claims abstract description 35
- 230000001070 adhesive effect Effects 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 10
- 239000002023 wood Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- B05C1/04—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
- B05C1/0817—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 characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
-
- 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
- B05C1/006—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 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
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
Definitions
- the present invention relates to a device for removing hot melt adhesive on a rotating device
- Hot melt adhesives used. This means that such systems transfer heated, viscous adhesive of various types and chemical configurations to workpieces that are similar to wood or at least partially made of wood.
- roller application systems can be used to enable plastic or wooden edges to be attached to a workpiece automatically and quickly.
- the roller application system must be emptied and cleaned, as mixing of the adhesive is counterproductive and undesirable due to the various chemical properties and different temperatures.
- a comparable cleaning and emptying step on a roller application system is also necessary if the adhesive changes color.
- Roller application system with which the hot-melt adhesive is applied to workpieces remain.
- Another costly solution for emptying and cleaning a roller of hot melt adhesive of a certain type is to scrape off the adhesive using a slide integrated on a collecting pan. According to such a configuration, however, the adhesive cannot be prevented from settling
- the drip pan can also cause the adhesive to overflow on the drip pan, which leads to sticking and
- roller application system must be removed to prevent further contamination of the edge banding machine. Furthermore, such a process of draining the hot melt adhesive is extremely lengthy.
- Hot melt adhesive on a roller - for example on one Roller application system of an edge banding machine - without additional tools or additional conveyor systems
- Hot melt adhesive on a rotating vertically arranged roller on a hollow body-shaped scraper Hot melt adhesive on a rotating vertically arranged roller on a hollow body-shaped scraper.
- the term "hollow body-shaped” is generally to be understood as an internally hollow, hollowed-out object which has no edges in the basic shape.
- An elliptical or oval body is preferably to be understood here.
- a hollow cylindrical wiper is particularly preferred.
- the wiper is further characterized in that it has an opening on its circumferential surface along the longitudinal axis, at which an opening protruding radially outward
- Butt plate is arranged, and the butt plate is arranged so that it can be brought into a position for removing adhesive from the roller and can convey the removed adhesive to the inner circumference of the scraper.
- the "opening” is here to be understood as a slot or continuous milled cutout in the surface of the scraper, so that the removed adhesive, which can be removed from the roller by means of the push plate when removing / cleaning the roller, can be conveyed into the interior of the scraper .
- Adhesive which has been removed from the roller, can be conveyed through the design of the scraper in its inner circumference and by means of the back pressure, which is caused by trailing, viscous adhesive material inside the The scraper is increased, removed and conveyed away.
- the invention is based on the basic idea of using the dynamic pressure generated in the interior of the wiper and the resulting swirl of hot melt adhesive on the inner circumference of the wiper
- Roller application system of an edge banding machine to promote.
- the inside of the circumference is generated by the constant glue tracking achieved, so that the removed
- Hot melt adhesive material can be conveyed away in the scraper against the dynamic pressure and against the force of gravity. Since this happens against the force of gravity and therefore does not have to happen on the underside of a machine in a vertical direction, this ensures better accessibility for emptying the removed material. Furthermore, the design of the wiper with an opening and a joint plate connected to it makes it possible to do this without additional tools or other devices
- Hot melt adhesive solely through the structural design of the device, in particular through the flow generated thereby in the form of a vortex on the inner wall, against the
- Gravity can be conveyed away from the roller.
- the wiper has a base element, the wiper starting from
- the opening of the scraper extends over its entire length.
- Roller application system can be prevented.
- the pressure angle between the roller and the bumper plate for removing the adhesive to the inside of the scraper is an acute angle.
- This angle can be, for example, preferably less than 75 °, particularly preferably 50 °, even more preferably less than 30 °.
- Joint plate is to be understood here as the angle which results from a tangent at the point of engagement between the joint plate and the roller or the adhesive layer on the roller and the joint plate itself in the direction of this tangential to the roller.
- Pressure angle makes it possible to achieve a slight deflection of the adhesive. In this way it can be ensured that the adhesive flow can be guided continuously and in a concentrated manner without irregularities occurring.
- a simple angle between the two components that come into engagement during removal due to the acute angle between the two components that come into engagement during removal, a simple
- a drain is arranged in the upper half along the longitudinal axis of the wiper, preferably at the vertically upper end of the wiper.
- the drain which is arranged at the particularly preferably vertically upper end of the wiper, ensures that the hot-melt adhesive which comes out of the wiper
- the drain is with a
- the hot melt adhesive from the roller for example the
- the hot melt adhesive can be removed from the roller within a few minutes and the roller can either be emptied or inserted
- the heat-resistant drip tray itself can can easily be removed from the device. It is preferred here that the heat-resistant drip tray is designed to be reversible. This means that the heat-resistant drip tray with the hot melt adhesive it contains can be removed from the
- Device for removing hot melt adhesive can be removed and can be used again after cleaning the heat-resistant collecting tray.
- the device for removing hot melt adhesive is made at least in sections from injection molding.
- At least the surface of the bumper plate and / or the inner circumferential side of the scraper can have an adhesion-reducing material.
- the hot melt adhesive it is possible for the hot melt adhesive to be removed with particularly little friction and for the hot melt adhesive to be conveyed into the interior of the scraper in a particularly simple manner.
- the vortex created on the inside surface can then be conveyed away from the roller with little friction and upwards out of the stripper against the force of gravity.
- Removal of hot melt adhesive can be designed to be reusable.
- adhesion-reducing material examples include the design with Teflon-coated aluminum. Also simple non-stick surface treatments of aluminum or other materials themselves can be used for this.
- a roller application system for applying hot-melt adhesive to a workpiece, which preferably consists at least in sections as wood, wood-based materials, plastic or the like, with a device for removing
- Hot melt adhesive can be configured on a workpiece.
- the scraper preferably extends at least over the entire length of the roller.
- the device for removing hot melt adhesive can be configured in a particularly simple manner. Furthermore, the
- Attachment of the device is greatly simplified, since it does not have to be moved to remove the hot melt adhesive, but rather by a simple pin against the
- Hot melt adhesive and the cleaning of the roller can be done particularly quickly, in particular within a few minutes.
- Hot melt adhesive works purely mechanically and none
- Controls or the like must be activated. A simple, complete and rapid removal of hot melt adhesive on a rotating, vertically arranged roller can thus be ensured.
- roller application system an edge feeder have, which is designed so that they are at the same speed to a
- Workpiece conveying speed to a workpiece which is preferably at least partially made of wood
- FIG. 1 A schematic top view of a device for removing hot melt adhesive on a rotating, vertically arranged roller according to an exemplary embodiment.
- FIG. 2 A schematic side view of the device for removing hot melt adhesive on a rotating, vertically arranged roller.
- FIG. 1 of the present application shows a plan view of a device for removing hot melt adhesive on a rotating, vertically arranged roller.
- a roller 1 is in engagement with a cylindrical scraper 2 of the device in order to remove hot-melt adhesive from the roller 1.
- a plan view of the device can be seen here that the surface of the roller 1, which rotates in direction A, is coated with the hot melt adhesive.
- This roller is for example in a roller application system for
- Hot melt adhesives arranged and is used, for example, to heat viscose adhesive
- An exemplary application for this is an edge banding machine, in which glue is applied next to a workpiece that is guided in parallel and a plastic or wooden edge is connected to the workpiece.
- Hot melt adhesive on such a rotating roller generally fulfills two functions or has two areas of application.
- a first area of application is the complete cleaning of the application roller
- a second application is when changing the adhesive on the roller. That means that
- the device for removing hot melt adhesive a rotating vertically arranged roller 1 with the cylindrical scraper 2 of the device in contact.
- Butt plate 3 detached from the roll surface.
- the butt plate 3 which is arranged at an acute angle to the roll surface, comes with the
- Roll surface of the roller 1 in contact and thus releases the adhesion of the hot melt adhesive from the surface of the roller 1.
- the joint plate 3 is formed over the entire length of the roller 1 in the preferred embodiment.
- the cylindrical scraper 2 does not have to be moved to remove the hot melt adhesive and the hot melt adhesive is applied over the entire Longitudinal axis of the roller removed in one step by rotating the roller.
- the scraper 2 is closed by a base element 7 at its lower end in the longitudinal direction.
- a drain 4 is arranged at the vertically upper end of the cylindrical scraper.
- This drain 4 is used to transport excess hotmelt adhesive out of the cylindrical wiper 2. Furthermore, that is in the exemplary embodiment
- the drain 4 shown is connected to a drip tray 5.
- the drip tray 5 is designed to be heat-resistant.
- the device for removing hot melt adhesive is spaced apart from the rotating vertical
- roller 1 arranged roller 1 arranged.
- the device is positioned on the roller 1 that the butt plate 3 with the
- Hot melt adhesive ensured by, for example, a simple pin on the roller.
- the surface of the roller 1 is in contact with the butt plate 3 at the pressure angle to one another.
- Particularly preferred here is an acute angle between one on the line of contact between the roller 1 and the butt plate 3 running tangent and the joint plate 3 itself.
- the butt plate 3 can detach the hotmelt adhesive from the roller 1 while the roller is rotating and convey it into the interior of the cylindrical scraper 2 opposite to the direction of rotation A of the roller 1.
- the removed hot melt adhesive can be conveyed upwards simply and easily against gravity without additional conveying devices.
- cylindrical scraper 2 collected via a drain 4 in the heat-resistant collecting tray 5.
- the device for removing hot melt adhesive After completion of the cleaning of the roller 1, the device for removing hot melt adhesive according to the exemplary embodiment can be completely detached from the roller 1 and can be spaced apart from the roller 1 in the
- Hot melt adhesive can pass through the at the top of the cylindrical scraper 2 arranged drip tray 5 can be removed and disposed of.
- the device for removing hot melt adhesive can also consist of a plurality of sequential strippers 2, which extend proportionately over the entire length of the roller.
- hot melt adhesive can be removed simultaneously over the entire length of the roller by several individual components.
- the diameter of the scraper can be reduced and the hotmelt adhesive can be removed at several points at the same time.
- the time can be sufficient
- the removal of the hot melt adhesive can be accelerated further or the duration of the removal can be shortened.
Landscapes
- Coating Apparatus (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019106642.5A DE102019106642A1 (de) | 2019-03-15 | 2019-03-15 | Vorrichtung zum Abtragen von Schmelzklebstoff |
PCT/EP2020/056898 WO2020187756A1 (de) | 2019-03-15 | 2020-03-13 | Vorrichtung zum abtragen von schmelzklebstoff |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3938120A1 true EP3938120A1 (de) | 2022-01-19 |
Family
ID=69903120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20712879.4A Pending EP3938120A1 (de) | 2019-03-15 | 2020-03-13 | Vorrichtung zum abtragen von schmelzklebstoff |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220212224A1 (de) |
EP (1) | EP3938120A1 (de) |
CN (1) | CN113811398A (de) |
DE (1) | DE102019106642A1 (de) |
WO (1) | WO2020187756A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3851210A1 (de) * | 2020-01-14 | 2021-07-21 | Jesús Francisco Barberan Latorre | Beschichtungsrolle |
CN112705409B (zh) * | 2020-12-22 | 2021-11-09 | 宁波菲拉尔医疗用品有限公司 | 一种医疗导管表面涂层的均匀涂覆装置 |
CN112892989B (zh) * | 2021-01-20 | 2022-03-29 | 福建友谊胶粘带集团有限公司 | 一种不干胶生产用自动控制防止胶液残留的上胶机 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1111562B (de) * | 1954-08-20 | 1961-07-20 | Jagenberg Werke Ag | Klebstoffauftragvorrichtung fuer Etikettiermaschinen od. dgl. mit einer um eine lotrechte Achse umlaufenden Auftragwalze |
US3749054A (en) * | 1971-06-07 | 1973-07-31 | Beloit Corp | Cantilever support structure including a stationary shaft,a hollow roll shell,and a fluid pressure chamber therebetween |
FI94882C (fi) * | 1993-11-18 | 1995-11-10 | Valmet Paper Machinery Inc | Telanpuhdistuslaite |
DE4444779B4 (de) * | 1994-12-15 | 2005-08-04 | Voith Sulzer Papiermaschinen Gmbh | Vorrichtung zum Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton |
US7625605B2 (en) * | 2004-12-30 | 2009-12-01 | 3M Innovative Properties Company | Method for coating a surface with a pattern of coating fluid |
DE102007025982A1 (de) * | 2007-06-04 | 2008-12-11 | Technotrans Ag | Reinigungsvorrichtung für Druckmaschinen mit Förderwendel |
PL2433717T3 (pl) * | 2010-09-22 | 2013-08-30 | Friz Kaschiertechnik Gmbh | Urządzenie do nie wymagającego przezbrajania nanoszenia wedle wyboru klejów |
EP2610192B1 (de) * | 2011-12-30 | 2016-07-13 | Krones AG | Leimwerk |
DE102013109999B3 (de) * | 2013-09-11 | 2015-01-22 | Khs Gmbh | Vorrichtung und Reinigungseinheit zur Reinigung einer Leimwalze eines Etikettieraggregats zum Aufbringen von Etiketten auf Behälter oder Flaschen |
ES2684671T3 (es) * | 2016-03-03 | 2018-10-04 | Robatech Ag | Dispositivo y procedimiento para aplicar adhesivo sobre un sustrato |
IT201700056951A1 (it) * | 2017-05-25 | 2018-11-25 | Biesse Spa | Macchina per la bordatura di pannelli di legno o simili |
-
2019
- 2019-03-15 DE DE102019106642.5A patent/DE102019106642A1/de active Pending
-
2020
- 2020-03-13 US US17/439,386 patent/US20220212224A1/en active Pending
- 2020-03-13 WO PCT/EP2020/056898 patent/WO2020187756A1/de active Application Filing
- 2020-03-13 CN CN202080021553.9A patent/CN113811398A/zh active Pending
- 2020-03-13 EP EP20712879.4A patent/EP3938120A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US20220212224A1 (en) | 2022-07-07 |
DE102019106642A1 (de) | 2020-09-17 |
CN113811398A (zh) | 2021-12-17 |
WO2020187756A1 (de) | 2020-09-24 |
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