WO2006102858A2 - Vorrichtung und verfahren zum beschichten eines metallischen trägermaterials - Google Patents
Vorrichtung und verfahren zum beschichten eines metallischen trägermaterials Download PDFInfo
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- WO2006102858A2 WO2006102858A2 PCT/DE2006/000085 DE2006000085W WO2006102858A2 WO 2006102858 A2 WO2006102858 A2 WO 2006102858A2 DE 2006000085 W DE2006000085 W DE 2006000085W WO 2006102858 A2 WO2006102858 A2 WO 2006102858A2
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- WIPO (PCT)
- Prior art keywords
- coating
- coating material
- station
- carrier materials
- materials
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
- B32B37/22—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of both discrete and continuous layers
- B32B37/223—One or more of the layers being plastic
- B32B37/226—Laminating sheets, panels or inserts between two continuous plastic layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2310/00—Treatment by energy or chemical effects
- B32B2310/14—Corona, ionisation, electrical discharge, plasma treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
- B32B37/0053—Constructional details of laminating machines comprising rollers; Constructional features of the rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
- B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
- B32B37/203—One or more of the layers being plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
- B32B38/1833—Positioning, e.g. registration or centering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1062—Prior to assembly
- Y10T156/1066—Cutting to shape joining edge surfaces only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
- Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means
Definitions
- the invention relates to a device and a method for coating a metallic carrier material with a sheet-like coating material.
- one side of a metal panel is painted with a basecoat for later printing in a first operation, wherein the drying of solvent-based paints takes place thermally by means of technically very complex, large-volume and high-investment drying ovens.
- the energy expenditure is particularly high, in addition, high investments are required.
- the metal panels are usually transported almost vertically standing, then takes place in a separate second, also very complex operation, the so-called protective coating on the other side of the metal panel.
- the one-sided printing of the metal panels takes place, followed by complex thermal drying.
- a protective or high-gloss finish which is applied to the printing ink, requires a further separate process step with comparatively high outlay as in the case of the basecoat.
- UV-reactive paints and paints which is likewise customary in the prior art, requires similar process steps, the drying of the paints and printing inks being carried out by means of UV irradiation of the metal panels, which entails very complex and high investment costs.
- the invention is therefore based on the problem of providing a device for coating a metallic carrier material with a sheet-like coating material, which has a simpler structure and enables an environmentally friendly coating.
- a device of the type mentioned in the invention that it has a feed device to supply the carrier material to a coating station and a cooperating with a counter-roller coating roller to the metallic carrier material and the sheet-like coating material under application of compressive forces by means of an adhesive to stick together.
- the metallic Susuna- materials are connected with an adhesive with the printed or unprinted coating material, accordingly, can be completely dispensed with solvent-based paints and printing inks.
- the device according to the invention has a comparatively simple structure, since elaborate painting or printing systems can be omitted, which usually cause high costs and have a high energy consumption.
- the device according to the invention is particularly suitable for coating tabular support materials, in particular in the rectangular and Formatzu mustard, z.
- Scroll panels suitable, wherein scroll panels in the scroll cutting toothing can be coated butting or underlapped or lying overlapping. Adjacent scroll panels preferably have complementary, adjoining shape-cut sides.
- These carrier materials can be fed to the device in the form of staples, the carrier materials can be separated by means of a destacking device and transported in succession through the various processing stations of the device according to the invention.
- the support materials have typical basis weights of 800 to 3,000 g / m 2 .
- the device according to the invention has an alignment station for aligning the tabular support materials.
- the alignment station By the alignment station, the carrier materials in the direction of movement, that are aligned in the longitudinal direction and / or in the lateral direction.
- an accurate application of the coating material is achieved in all cases, even if the stacked carrier materials are not exactly at the intended position.
- the carrier materials can be undercut by the aligning station or overshadowed with an adjustable underlap or overlap dimension.
- the backing materials may be aligned by the alignment station butt to joint or at an adjustable distance.
- a slot nozzle may be provided for applying the adhesive.
- This slot nozzle can be omitted in other embodiments if the carrier material and / or the coating material is or are already provided with an adhesive.
- the pre-applied adhesive may be thermally activated or reactivated.
- the quantity and / or the width of the adhesive to be applied through the slot nozzle is adjustable.
- the adhesive application can be tailored exactly to the carrier materials and coating materials used.
- the adhesive can be applied by contact or non-contact methods.
- the device according to the invention is particularly suitable for processing thermoplastic or reactive hotmelt adhesives.
- the coating material in the region of the slot nozzle can be guided via a non-driven roller and with the adhesive-coated side over a driven release roller.
- the release roller acts as a withdrawal calender for the sheet-like coating material and can be heated or cooled.
- the surface of this release roller may have a non-stick coating.
- the release roller is looped under the control of the adhesive-coated side of the coating material and releases it with tension controlled by web tension for the feed to the subsequent coating roller.
- the device has one or more tempering devices acting on the coating material and / or on the underside and / or the upper side of the carrier material in order to heat the materials to a specific process temperature.
- a particularly large application range results in the device according to the invention, when the counter-pressure roller is pressure-adjustable. It is particularly useful if the counter-pressure roller has a rubberized surface or a non-stick coating.
- the device has a transport device arranged behind the coating station in the direction of movement for the web-shaped coated carrier material. It is particularly preferred that the transport device has a suction belt, by means of which a particularly good hold of the carrier materials is ensured.
- the device according to the invention may have a UV irradiation device for irradiating radiation-crosslinking reactive adhesives. The UV irradiation takes place after the bonding and pressing of the metallic carrier material with the sheet-like coating material.
- a device for separating can be provided, furthermore the separated carrier materials can be transported through a transport device having a suction belt, wherein it is particularly expedient for the carrier materials to be transported to a stacking device, which is suitable for high stack weights, which can be up to 3,500 kg.
- the device according to the invention can have a register control for accurately fitting the coating material onto the carrier material.
- the register control detects electronically readable identification marks which are applied to the coating material in order to apply the coating material exactly to the carrier material.
- an edge of the carrier material can also be detected by the register control.
- the feed of the metallic carrier materials is simultaneously controlled adapted thereto.
- coating-like coating materials are applied to the metallic support material on both sides in the coating station.
- a second slot nozzle may be provided, but it is also possible that an activation station is provided, by means of which the coating material can be thermally activated at least on one side of the carrier material.
- the device according to the invention may have a cutting station for the coating material, which is arranged in the direction of movement in front of the coating station. With this coating station, the coating material can be trimmed laterally or cutouts can be made in the longitudinal direction before the coating material reaches the coating station.
- the device according to the invention can have a removal station for the coating material arranged in the direction of movement behind the coating station. In this way, a broad path of the coating material can be cut to the contour of a narrower or individually shaped metallic carrier material.
- a cutting station arranged in the direction of movement behind the device for separating can be provided in order to cut the front and / or rear edge of coated carrier materials.
- This cutting station can be used when the metallic support materials are produced shock to shock with a certain distance between see the individual carriers.
- the cutting station can for this purpose have knives and / or a laser.
- the device according to the invention may also be designed such that it is suitable for coating metallic support materials in web form.
- web-shaped metallic carrier materials are used in the form of coils, which are provided with the coating material and then wound up again in a winding device on a spool.
- the web-shaped carrier materials can also be separated in a cutting device so that they leave the device according to the invention as coated tabular carrier materials.
- This cutting station can have knives and / or lasers. The laser is able to produce cuts with any contour shape, in particular the laser is suitable for scroll panel contour cuts.
- the device is suitable for the coating materials, film, textile, paper or leather. These coating materials can be used in printed or unprinted form.
- the invention relates to a method for coating a metallic carrier material.
- the carrier material is fed by means of a feed device to a coating station, in which it passes through a gap formed between a counterpressure roller and a coating roller and under the action of the compressive forces generated by the rollers by means of an adhesive the web-shaped coating material is glued.
- FIG. 1 shows a first embodiment of a device according to the invention for coating a metallic carrier material.
- FIG. 2 shows a second embodiment of a device according to the invention
- Fig. 3 shows a third embodiment of the invention.
- Fig. 4 two formed as scroll panels support materials.
- device 1 is suitable for the coating of carrier materials, which are formed as metal plates and consist of aluminum or tinplate. Tinplate panels can be galvanized, tinned or chrome plated. Of course, can be processed with the device 1 also consisting of other alloys metal panels. Typical sheet thicknesses are 0.1 - 0.5 mm.
- the metal panels 2 are stacked horizontally in a destacking apparatus 3 and are fed to the apparatus 1. As part of the coating process, the metal panels 2 are transported substantially horizontally through the device 1, in the view shown in Fig. 1, the metal panels 2 are transported from right to left.
- the transport of the Metaljtafeln 2 is effected by a feed device 4, which has a suction belt through which the metal plates 2 are transported in succession.
- the unstacking of the metal panels 2 is intermittent, each with the top metal plate removed with a suction head and the stack is raised accordingly.
- the transport of the individual metal panels 2 is carried out either abutment, wherein a certain distance can be provided between the individual metal panels, alternatively, the metal panels can be transported in the form of an overlapped or underlapped scale flow over the suction belt.
- An alignment station not shown in FIG. 1, controls each metal panel in a controlled manner, that is to say it is positioned laterally and longitudinally, so that either identical distances exist between individual metal panels or an identical overlap or overlap exists.
- a device may be provided which alters the scale flow in the region of the overlap by raising the trailing panel and lowering it onto the leading panel into a sublap.
- the cleaning station 5 has draw-in rollers and is designed so that one or both sides of the metal panels are cleaned.
- the cleaning can be carried out mechanically, for example by brushing, thermally, for example by IR radiation or also chemically, for example by means of liquid cleaning agents.
- the cleaning can be carried out by radiation treatment by corona treatment. By this cleaning process possibly existing production-related residues should be removed on the surfaces of the metal sheets.
- corona treatment is simultaneously the Surface tension of the metal panels increased to the level required for optimum adhesive adhesion.
- the cleaned metal panels reach an alignment station 6, which aligns the individual panels so that the panels enter the gap between a coating roller 7 and a counterpressure roller 8 in a defined manner. In this way, the individual panels are exactly aligned with the coating material.
- the panels are accurately aligned with respect to the leading edge and a side edge, while realizing an adjustable amount of overlap or underlap dimension, or a push-to-push dimension.
- the overlap or overlap can be 1 to 15 mm
- the butt-to-joint dimension can be 0 to 15 mm.
- the coating material 9 formed as a film in this embodiment is present as a roll and is located on a pivotable for the purpose of loading the tensioning shaft 10.
- the web guide of the brake-controlled or driven coating material 9 via various rollers into the coating gap, by the coating roller 7 and the Counterpressure roller 8 is formed.
- slot nozzles are known per se and comprise an adhesive tank with melting device, heated inlet and return hoses, a nozzle pre-chamber with metering pumps, the actual slot nozzle with segments and an application lip with a Application width adjustment and control electronics.
- slot nozzle 11 adhesive application amounts of about 0.5 to 20 g / m 2 can be realized at a typical adhesive temperature of about 80 to 200 0 C.
- the application of the adhesive takes place either in direct contact of the die lip with the coating material (contact method) or at a distance of about 1 to 5 mm from the coating material.
- terial non-contact method
- one of the set application width corresponding closed adhesive film is completely or partially released from the nozzle lip on the coating material and adopted by this.
- Suitable adhesives are thermoplastic or reactive hot melt adhesives.
- the hot melt adhesives used are selected depending on the substrates to be bonded and the related requirements, for example, a required temperature or heat resistance of the bond, etc.
- thermoplastic hot-melt adhesives in particular those based on ethylene- ⁇ / inylacetaten (EVA), polyolefins (eg amorphous poly- ⁇ -olefins, metallocene-catalyzed polyolefins), polyacrylates, copolyamides, copolyesters and / or thermoplastic polyurethanes or corresponding co- and / or terpolymers are used.
- EVA ethylene- ⁇ / inylacetaten
- Reactive, for example, moisture-crosslinking hotmelt adhesives are, in particular, those based on silane-grafted amorphous poly- ⁇ -olefins or isocyanate-terminated polyurethanes.
- reactive hotmelt adhesives the subsequent crosslinking with moisture leads to temperature-resistant or heat-resistant adhesions.
- Reactive hot melt adhesives thus combine the advantages of rapid onset strength by the physical setting of cooling with subsequent chemical crosslinking. When processing moisture-reactive hot-melt adhesives, the melt must be protected from moisture before being applied.
- hot melt adhesives based on silane-grafted polyolefins can be used for lamination of metal sheets or metal sheets with OPP films (oriented polypropylene film) or PET films (polyester films) in back-printed or unprinted form in combination with high temperature resistance of the composite.
- OPP films oriented polypropylene film
- PET films polyyester films
- moisture-reactive hot-melt adhesives are, for example commercially available under the product name "Vestoplast ® 206" from Degussa AG, Mari, Germany, available silane-modified poly- ⁇ -olefins.
- Suitable reactive hot melt adhesives include radiation crosslinking reactive adhesives (eg, reactive hot melt adhesives which crosslink under UV irradiation).
- the application of the adhesive can be carried out in wide temperature ranges. In general, processing temperatures in the range of 80 0 C to 200 0 C are selected.
- hot melt adhesives are generally used, which at the processing temperatures, generally 80 0 C to 200 0 C, Brookfield viscosities in the range of generally 50 to 1,000,000 mPa-s ,
- reactive hot melt adhesives based on silane-grafted polyolefins, in particular solangepfropften amorphous poly- ⁇ - olefins used, which at 180 0 C Brookfield viscosities ranging from 50 to 50,000 mPa-s, especially 1,000 to 10,000 mPa.s. , preferably 5,000 to 8,000 mPa.s, most preferably 5,500 to 7,500 mPa.s.
- the reactive hot-melt adhesives are generally added to the customary catalysts, such.
- DBTL dibutyltin laurate
- the abovementioned hotmelt adhesives may also contain additives.
- non-reactive polymers eg unmodified amorphous poly- ⁇ -olefins
- non-reactive resins eg hydrocarbon resins
- non-reactive waxes eg hydrocarbon resins
- the adhesive properties can be adjusted application-related and tailor-made, so to speak.
- the coating material is a plastic film having a material thickness of about 5 to 250 ⁇ m, more preferably the thickness of the film is 10 to 25 ⁇ m.
- This pair of rollers also acts as a trigger calender and consists of a first, non-driven pressure-adjustable roller 12 and a second, non-stick coated heatable and coolable release roller 13.
- the release roller 13 is operated with a lead of about 3 to 10% to the coating roller 7 and is with a connected controllable drive.
- the adhesive-coated side of the sheet-like coating material 9 wraps around the release roller 13 up to a sensor-settable discharge point, after which the web tension of the coating material 9 after leaving the release roller 13 into the gap formed between the coating roller 7 and the counter-pressure roller 8, depending on the type and the strength of the coating material 9 is adjustable so that the coating material 9 stretching or deforming tensile stress is avoided. This is particularly important in the accurately fitting coating of metal panels, for example, when a printed image is on the formed as a film coating material.
- the adhesive-coated web-shaped coating material 9 wraps around the coating roller 7 largely on its path according to the web and is cooled or heated by the coating roller 7 depending on the type of adhesive used and the subsequent processing temperature of the adhesive. If a coating material is used which is already provided with a thermally reactivatable adhesive suitable coating, this coating material is passed through the device in the same way, but it eliminates the application of the adhesive through the slot nozzle.
- the thermal reactivation of the adhesive suitable coating is carried out indirectly by tempering of the coating material by the coating roller 7.
- the coating roller 7 can be steplessly controlled from 20 to 200 0 C.
- the adhesive used or the suitable adhesive coating of the coating material as shown in Figure 1 by irradiation or contact Temper istsein- directions 14, 15 are used, the temperature of the coating material 9 and / or the upper - And / or bottom of the metallic substrates by induction or IR radiation can temper.
- the bonding of the web-shaped adhesive-coated coating material 9 with the metal sheet oriented on the coating material is effected by the continuously adjustable pressure of the counterpressure roll 8 acting against the coating roll 7. This pressure can be adjusted steplessly within a range of approximately 5,000 to 60,000 N.
- the counter-pressure roller 8 has a rubberized or non-stick coated surface.
- the counter-pressure roller 8 can be designed as a cooled roller and have a temperature of about 10 to 30 0 C.
- the counter-pressure roller 8 can be designed as a driven roller, whereby a better flatness is achieved with thin metallic carrier materials.
- a UV irradiation device 32 is used for an upper and optionally a lower web of the coating material 9.
- the sheet flow of the metal sheets 2 coated with the coating material 9 and overlapped by it is overlapped or fed horizontally to a separating device 17 by means of a transport device 16 having a suction belt.
- the severing of the coating material 9 at an adjustable point in the region of the overlap or underlapping or in the joint area is effected by a separating knife, depending on the type and thickness of the coating material.
- This separating knife is designed as a rotating cutting blade and is controlled so that it is in synchronism with the web speed of the coating material at the time of separation.
- the knife can be designed as a cold or heated knife, it is also conceivable to use a transversely acting to the web in the forward and reverse knives.
- the separation of the coating material by a laser, wherein one or more laser beams cover the entire cutting area.
- the separation of the coating material takes place by an additional arrangement of one of the mentioned separation devices on the underside of the metal panel flow.
- the separating device 17 is controlled by computer means taking into account the respective length of the metal sheets, the position of the desired cutting point and the speed of the coated metal sheets.
- a Ausbrennstation 38 by means of one or more lasers, with the transverse or longitudinal recesses at z.
- plastic-like coating material can be realized. The laser beams burn the coating material in programmable contours on the metal plate in line widths of 0.1 - 7.0 mm. Vapors released during this process are extracted.
- this is about a pair of withdrawal rollers with an adjustable lead of about 3 to 20% from the Separator 17 transported to a downstream acceleration conveyor belt 18 for individual panels.
- the conveyor belt 18 feeds the singulated coated substrates to a downstream single or multiple stacker 19, each panel being reduced by a vacuum brake in its feed rate just before it reaches the drop point for lowering onto the stack to allow for damage free stacking.
- Fig. 2 shows a further embodiment of the invention. Identical components are designated by the same reference numerals as in the first embodiment.
- the metal sheets 2 are fed from the unstacking apparatus 3 to the feeder 4, followed by the cleaning station 5.
- the cleaning station 5 Depending on the type and thickness of the sheet-like coating material 9, it may not be necessary to thermally peel the coating material through the adhesive but to coat the metal panels with adhesive before entering the coating gap.
- the adhesive is applied through the slit nozzle 11 directly to the metal sheets.
- the slot nozzle 11 and the associated units are arranged above the horizontally moving metal panels.
- a register control 20 shown schematically in Fig. 2 is provided.
- An exact positioning is achieved by the register control 20, in particular in those applications in which the coating material is formed as a printed film and has multiple images on a surface corresponding to the dimension of a metal sheet.
- the later separated coated metal plate is fed to a punching device, wherein the metal plate is aligned at the front plate edge and the side panel edge. In this case, the printed image of the film on the metal plate must exactly match the firmly fixed punching tool. For the coating of inner sides of cans or containers, etc.
- the apparatus 21 shown in FIG. 2 has a reactivation station 22, in which a coating material 23 arranged on a roll is thermally activated and subsequently into the space between the coating roll 7 and the Counterpressure roller 8 formed gap enters. In this way, a simultaneous, two-sided coating of the metal sheets is made possible.
- a plurality of narrow sheet-like coating materials can be processed, which are connected to the metal sheets.
- the coating material is supplied in roll form and assembled at a cutting station 24 by longitudinal cuts to a plurality of narrow material webs.
- the cutting station 24 can also be used to carry out trimming cuts on the coating material 9.
- UV irradiation device 33 which acts on both sides of the coated carrier material in order to trigger crosslinking in the case of reactive adhesives.
- trimming of the coating material 9 corresponding to the contour of the metal sheet can be performed by a cutting station 25.
- a cutting station 25 For this purpose, one of the desired contour corresponding, heated at the exit points, rotating tool is used.
- the separated coating material is taken up by a counter roll by the adhesive force of the adhesive on the underside of the separated coating material.
- a first and a second separating cut takes place through a separating device 26.
- the separating device 26 additionally has a second rotating Knife or other separating device, such as a laser on.
- the separated strip of the coating material is aspirated after the execution of the cut.
- the transport of the separated metal panels is carried out as in the first embodiment by a conveyor belt 18 to a stacking device 19th
- Fig. 3 shows a further embodiment of the invention, wherein a metallic carrier material is used in web form.
- the web-shaped carrier material 27 is wound on a roll 28, which is also referred to as a coil.
- the carrier material 27 is guided via a guide roller 29 into the coating gap, which is formed between the coating roller 7 and the counterpressure roller 8.
- the web-shaped coating material 9 is provided with adhesive by the slot die 11 and passed over the coating roll 7 for temperature control, then the coating material 9 and the web-shaped carrier material 27 are replaced by those of the roll pair 7, 8 generated compressive forces connected to each other and wound on a roller 31 via a guide roller 30.
- a cutting unit for the carrier material 27 provided with the coating material 9 may be used to cut the metal sheet into individual sheets.
- carrier materials are used in the rectangular or formal blank, in particular also scroll panels.
- Fig. 4 shows two adjacent scroll panels 34, 39. The so-called scrolling is performed on two opposite sides of the tabular substrate material shaped section 35, 36 with a meandering contour. The two longitudinal sides of the panels 34, 39 have a smooth edge. Scroll panels are used, for example, to make round products such as screw caps or the like.
- the contour of the circular cover 37 is printed on the coating material and positioned on the panels so that adjacent rows are offset by half the distance between two circle centers to each other to achieve optimum panel use.
- the missing surface on one side of the scroll panel is located on the opposite side of the scroll board, thus optimally exploiting the material.
- the separation of the coating material takes place by means of the burn-out station 38.
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0609619-0A BRPI0609619A2 (pt) | 2005-04-01 | 2006-01-19 | aparelho e processo para revestimento de um material de suporte de metal |
US11/885,313 US20080314512A1 (en) | 2005-04-01 | 2006-01-19 | Device and Method for Coating a Metallic Support Material |
JP2008503357A JP2008537912A (ja) | 2005-04-01 | 2006-01-19 | 金属基材への塗膜形成のための装置およびその方法 |
EP06705823A EP1868802A2 (de) | 2005-04-01 | 2006-01-19 | Vorrichtung und verfahren zum beschichten eines metallischen trägermaterials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005015295.3 | 2005-04-01 | ||
DE102005015295A DE102005015295A1 (de) | 2005-04-01 | 2005-04-01 | Vorrichtung und Verfahren zum Beschichten eines metallischen Trägermaterials |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006102858A2 true WO2006102858A2 (de) | 2006-10-05 |
WO2006102858A3 WO2006102858A3 (de) | 2007-01-04 |
Family
ID=36218624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2006/000085 WO2006102858A2 (de) | 2005-04-01 | 2006-01-19 | Vorrichtung und verfahren zum beschichten eines metallischen trägermaterials |
Country Status (9)
Country | Link |
---|---|
US (1) | US20080314512A1 (de) |
EP (1) | EP1868802A2 (de) |
JP (1) | JP2008537912A (de) |
KR (1) | KR20070114742A (de) |
CN (1) | CN101155691A (de) |
BR (1) | BRPI0609619A2 (de) |
DE (1) | DE102005015295A1 (de) |
TW (1) | TW200640681A (de) |
WO (1) | WO2006102858A2 (de) |
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EP2060392A1 (de) | 2007-11-14 | 2009-05-20 | Mitsubishi Polyester Film GmbH | Antimikrobiell ausgeruestete, biaxial orientierte Polyesterfolie |
DE202010013077U1 (de) | 2010-04-27 | 2011-02-17 | Steinemann Technology Ag | Vorrichtung zum Beschichten eines bogenförmigen Trägermaterials |
ES2358710A1 (es) * | 2008-05-23 | 2011-05-13 | Jesus Fco. Barberan Latorre | Máquina para la aplicación de recubrimientos de paneles. |
CN110733686A (zh) * | 2019-10-22 | 2020-01-31 | 徐州华通浮动油封科技有限公司 | 一种金属制品的上膜装置 |
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CN109263204A (zh) * | 2018-07-13 | 2019-01-25 | 浙江歌瑞新材料有限公司 | 一种高耐腐蚀的覆膜金属板及其制造工艺 |
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- 2006-01-19 KR KR1020077020860A patent/KR20070114742A/ko not_active Application Discontinuation
- 2006-01-19 WO PCT/DE2006/000085 patent/WO2006102858A2/de not_active Application Discontinuation
- 2006-01-19 CN CNA2006800109559A patent/CN101155691A/zh active Pending
- 2006-01-19 BR BRPI0609619-0A patent/BRPI0609619A2/pt not_active IP Right Cessation
- 2006-01-19 US US11/885,313 patent/US20080314512A1/en not_active Abandoned
- 2006-01-19 EP EP06705823A patent/EP1868802A2/de not_active Withdrawn
- 2006-01-27 TW TW095103410A patent/TW200640681A/zh unknown
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007054133A1 (de) | 2007-11-14 | 2009-05-20 | Mitsubishi Polyester Film Gmbh | Antimikrobiell ausgerüstete, gecoatete, biaxial orientierte Polyesterfolie |
EP2060392A1 (de) | 2007-11-14 | 2009-05-20 | Mitsubishi Polyester Film GmbH | Antimikrobiell ausgeruestete, biaxial orientierte Polyesterfolie |
DE102007054132A1 (de) | 2007-11-14 | 2009-05-20 | Mitsubishi Polyester Film Gmbh | Antimikrobiell ausgerüstete, biaxial orientierte Polyesterfolie |
US7960010B2 (en) | 2007-11-14 | 2011-06-14 | Mitsubishi Polyester Film Gmbh | Antimicrobially modified, biaxially oriented polyester film |
US8900696B2 (en) | 2007-11-14 | 2014-12-02 | Mitsubishi Polyester Film Gmbh | Antimicrobially modified, coated, biaxially oriented polyester film |
ES2358710A1 (es) * | 2008-05-23 | 2011-05-13 | Jesus Fco. Barberan Latorre | Máquina para la aplicación de recubrimientos de paneles. |
DE202010013077U1 (de) | 2010-04-27 | 2011-02-17 | Steinemann Technology Ag | Vorrichtung zum Beschichten eines bogenförmigen Trägermaterials |
EP2383117A1 (de) | 2010-04-27 | 2011-11-02 | Steinemann Technology AG | Verfahren und Vorrichtung zum Beschichten eines bogenförmigen Trägermaterials |
CN110733686A (zh) * | 2019-10-22 | 2020-01-31 | 徐州华通浮动油封科技有限公司 | 一种金属制品的上膜装置 |
Also Published As
Publication number | Publication date |
---|---|
TW200640681A (en) | 2006-12-01 |
BRPI0609619A2 (pt) | 2010-04-20 |
US20080314512A1 (en) | 2008-12-25 |
WO2006102858A3 (de) | 2007-01-04 |
DE102005015295A1 (de) | 2006-10-19 |
JP2008537912A (ja) | 2008-10-02 |
KR20070114742A (ko) | 2007-12-04 |
EP1868802A2 (de) | 2007-12-26 |
CN101155691A (zh) | 2008-04-02 |
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