EP0269602A2 - Process and apparatus for drying printed webs - Google Patents
Process and apparatus for drying printed webs Download PDFInfo
- Publication number
- EP0269602A2 EP0269602A2 EP87890199A EP87890199A EP0269602A2 EP 0269602 A2 EP0269602 A2 EP 0269602A2 EP 87890199 A EP87890199 A EP 87890199A EP 87890199 A EP87890199 A EP 87890199A EP 0269602 A2 EP0269602 A2 EP 0269602A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor belt
- dryer
- web
- goods
- inlet
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/10—Advancing webs by a feed band against which web is held by fluid pressure, e.g. suction or air blast
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/02—Conveying or guiding webs through presses or machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F35/00—Cleaning arrangements or devices
- B41F35/007—Cleaning arrangements or devices for supports of workpieces
Definitions
- the invention relates to a method and an arrangement for drying printed material webs subsequent to the printing process. It is customary to subsequently provide a dryer on printing presses in order to finally fix the patterns applied to a web and to prevent the prints from being adversely affected.
- through-prints occur, i.e. there is substance applied to the back of the goods as well as to the front. This creates stains on the conveyor belt that guides the web through the dryer. These stains on the conveyor belt must be removed before using the conveyor belt again, which is particularly difficult if the paint on the conveyor belt has dried excessively.
- Methods and devices are already known in which the stains should be avoided or reduced. However, it has been shown that the desired results could not be achieved.
- the web being placed on a conveyor belt and introduced together with this into a dryer, that the web is fixed on the conveyor belt in a non-slip and thus smear-free manner and with the Conveyor belt runs in a straight line through a first dryer stage and that after passing through this first dryer stage, the web is lifted off the conveyor belt and is passed on through the dryer alone, that the conveyor belt is led out of the dryer, washed, then possibly squeezed or suctioned and then dried and fed back to the web.
- the main idea of the invention is that there is a non-slip fixation of the web on the conveyor belt so that the web is smear-free to transport to the area where the web can already be lifted in a partially dried state and continued on its own. It has been recognized that the measures according to the invention can be used to lift the web from the conveyor belt after a single straight dryer run and that the conveyor belt can be passed through a washing device, which advantageously shows that after the first dryer stage adheres to the conveyor belt Color can still be removed relatively easily and that, on the other hand, the color on the web has already dried to such an extent that smearing no longer takes place and the web can be continued alone.
- a goods dryer being provided behind the printing device and having an arrival for a material web resting on a conveyor belt at one end
- a separating device for the material web from the conveyor belt is provided within the goods dryer that Deflections for the goods conveyor are arranged in the goods dryer and there are separate outlets for the conveyor belt and material web, that behind the outlet for the conveyor belt a washing device for the conveyor belt, then optionally a squeezing and / or suction device and then a conveyor belt dryer are provided, from the outlet of which the conveyor belt is led to the entrance of the goods dryer.
- the printed goods 6 are fed by means of the conveyor belt 7 and lifted up just before the end of the conveyor belt 7 and placed on a conveyor belt 8.
- a blower device 1 is arranged directly on the goods take-off.
- the web 6 on the room air Conveyor belt 8 fixed.
- Goods web 6 and conveyor belt 8 are introduced together into the goods dryer 2 via the inlet 9 and, in order to prevent the conveyor belt 8 from being soiled when the goods are printed, the goods web 6 is already lifted after a short running distance by a separating device arranged between rollers 10 and 11 .
- the web 6 is deflected on the roller 11 and then guided further through the fabric dryer 2, specifically the web 6 can be guided several times within the fabric dryer 2. It then emerges at the outlet 13 and is further treated in the usual way.
- the conveyor belt 8 is introduced into its own conveyor belt washing device, where the color which has not yet dried to the full is removed and the conveyor belt 8 is thoroughly cleaned.
- the conveyor belt can be guided into a water squeezing device 4 for squeezing off most of the amount of water entrained by the conveyor belt 8.
- vacuum suction can also be provided.
- the conveyor belt 8 is then introduced into its own conveyor belt dryer 5 and dried here in the usual way, e.g. by inflating heated air. From the outlet 14 of this dryer 5, the web is then brought to the entrance 9 of the dryer and a web 6 is again placed here.
- FIG. 1 there is the inlet 9 of the conveyor belt 8 at one end of the fabric dryer 2 and at the other end there is both the outlet for the web 6 and the outlet for the conveyor belt 8.
- the outlet is of the conveyor belt 8 is provided at the same end as the inlet 9. It should also be noted that the conveyor belt 8 is generally permeable to air, so that blowing with hot air is extremely effective.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Anordnung zum Trocknen bedruckter Warenbahnen anschließend an den Druckvorgang. Es ist üblich, anschließend an Druckmaschinen einen Trockner vorzusehen, um die auf eine Warenbahn aufgebrachten Muster endgültig zu fixieren und zu verhindern, daß die Aufdrucke beeinträchtigt werden. In vielen Fällen und insbesondere bei sehr dünnen Waren treten Durchdrucke auf, d.h., daß sich auf der Rückseite der Ware ebenso wie auf der Vorderseite aufgetragene Substanz befindet. Dadurch entstehen Abfleckungen auf dem Transportband, das die Warenbahn durch den Trockner hindurchführt. Diese Abfleckungen auf dem Transportband müssen vor erneutem Einsatz des Transportbandes entfernt werden, was insbesondere dann Schwierigkeiten bereitet, wenn die Farbe auf dem Transportband übermäßig angetrocknet ist. Es sind bereits Verfahren und Vorrichtungen bekannt geworden, bei denen die Abfleckungen vermieden oder vermindert werden sollen. Es hat sich jedoch gezeigt, daß die gewünschten Resultate nicht erreicht werden konnten.The invention relates to a method and an arrangement for drying printed material webs subsequent to the printing process. It is customary to subsequently provide a dryer on printing presses in order to finally fix the patterns applied to a web and to prevent the prints from being adversely affected. In many cases, and particularly in the case of very thin goods, through-prints occur, i.e. there is substance applied to the back of the goods as well as to the front. This creates stains on the conveyor belt that guides the web through the dryer. These stains on the conveyor belt must be removed before using the conveyor belt again, which is particularly difficult if the paint on the conveyor belt has dried excessively. Methods and devices are already known in which the stains should be avoided or reduced. However, it has been shown that the desired results could not be achieved.
Es ist Aufgabe der vorliegenden Erfindung, eine Möglichkeit zu finden, eine durchgedruckte Warenbahn soweit zu trocknen, daß die Warenbahn von einem Transportband abgehoben werden kann, ohne daß Verschmierungen auftreten, andererseits aber die auf dem Transportband haftende Farbe noch relativ leicht entfernt werden kann.It is an object of the present invention to find a way to dry a printed web so far that the web can be lifted off a conveyor belt without smearing, but on the other hand the ink adhering to the conveyor belt can still be removed relatively easily.
Erfindungsgemäß wird bei einem Verfahren zum Trocknen von bedruckten Warenbahnen anschließend an den Druckvorgang, wobei die Warenbahn auf einem Transportband aufgelegt wird und zusammen mit diesem in einen Trockner eingebracht wird, vorgeschlagen, daß die Warenbahn auf dem Transportband rutschfrei und somit verschmierfrei fixiert wird und mit dem Transportband im Gleichlauf geradlinig durch eine erste Trocknerstufe läuft und daß nach Durchlaufen dieser ersten Trocknerstufe die Warenbahn vom Transportband abgehoben wird und allein weiter durch den Trockner geleitet wird, daß das Transportband aus dem Trockner herausgeführt wird, gewaschen wird, daraufhin gegebenenfalls abgequetscht oder abgesaugt ud dann getrocknet und der Warenbahn wieder zugeführt wird.According to the invention, it is proposed in a method for drying printed webs following the printing process, the web being placed on a conveyor belt and introduced together with this into a dryer, that the web is fixed on the conveyor belt in a non-slip and thus smear-free manner and with the Conveyor belt runs in a straight line through a first dryer stage and that after passing through this first dryer stage, the web is lifted off the conveyor belt and is passed on through the dryer alone, that the conveyor belt is led out of the dryer, washed, then possibly squeezed or suctioned and then dried and fed back to the web.
Der Hauptgedanke der Erfindung liegt darin, daß eine rutschfreie Fixierung der Warenbahn auf dem Transportband erfolgt, um so verschmierfrei die Warenbahn bis in jenen Bereich zu transportieren,an dem die Warenbahn in teilweise getrocknetem Zustand schon abgehoben und für sich allein weitergeführt werden kann. Es ist erkannt worden, daß man durch die erfindungsgemäßen Maßnahmen die Warenbahn schon nach einmaligem geradlinigen Trocknerdurchlauf vom Transportband abheben kann und daß das Transportband durch eine Wascheinrichtung geleitet wrden kann, wobei sich in vorteilhafter Weise ergibt, daß nach der ersten Trocknerstufe die auf dem Transportband anhaftende Farbe noch verhältnismäßig leicht entfernt werden kann und daß andererseits die Farbe auf der Warenbahn schon so weit getrocknet ist, daß kein Verschmieren mehr stattfinden und die Warenbahn allein weitergeführt werden kann.The main idea of the invention is that there is a non-slip fixation of the web on the conveyor belt so that the web is smear-free to transport to the area where the web can already be lifted in a partially dried state and continued on its own. It has been recognized that the measures according to the invention can be used to lift the web from the conveyor belt after a single straight dryer run and that the conveyor belt can be passed through a washing device, which advantageously shows that after the first dryer stage adheres to the conveyor belt Color can still be removed relatively easily and that, on the other hand, the color on the web has already dried to such an extent that smearing no longer takes place and the web can be continued alone.
Bei der Anordnung zum Trocknen bedruckter Warenbahnen, wobei hinter der Druckvorrichtung ein Warentrockner vorgesehen ist, der an einem Ende einen Eintrifft für eine auf einem Transportband aufliegende Warenbahn aufweist, wird vorgeschlagen, daß innerhalb des Warentrockners eine Trenneinrichtung für die Warenbahn vom Transportband vorgesehen ist, daß Umlenkungen für die Warehbahn im Warentrockner angeordnet sind und getrennte Austritte für Transportband und Warenbahn vorhanden sind, daß hinter dem Austritt für das Transportband eine Wascheinrichtung für das Transportband, dann gegebenenfalls eine Abquetsch- und/oder Absaugeeinrichtung und dann ein Transportbandtrockner vorgesehen sind, von dessen Austritt das Transportband zum Eintritt des Warentrockners geführt ist.In the arrangement for drying printed material webs, a goods dryer being provided behind the printing device and having an arrival for a material web resting on a conveyor belt at one end, it is proposed that a separating device for the material web from the conveyor belt is provided within the goods dryer that Deflections for the goods conveyor are arranged in the goods dryer and there are separate outlets for the conveyor belt and material web, that behind the outlet for the conveyor belt a washing device for the conveyor belt, then optionally a squeezing and / or suction device and then a conveyor belt dryer are provided, from the outlet of which the conveyor belt is led to the entrance of the goods dryer.
Die Erfindung wird anhand der Zeichnungen näher beschrieben. Die Fig.1 und 2 zeigen zwei Möglichkeiten der Ausführung der Erfindung.The invention is described in more detail with reference to the drawings. 1 and 2 show two ways of carrying out the invention.
Die bedruckte Ware 6 ist mittels des Förderbandes 7 zugeführt und knappp vor Ende des Förderbandes 7 abgehoben und auf ein Transportband 8 aufgelegt. Um zu verhindern, daß die Warenbahn 6 auf dem Transportband 8 rutscht, ist eine Gebläseeinrichtung 1 unmittelbar am Warenabzug angeordnet. Hier wird mit Raumluft die Warenbahn 6 auf dem Transportband 8 fixiert. Es ist allerdings nicht notwendig, eine derartige Gebläseeinrichtung unbedingt vorzusehen. Warenbahn 6 und Transportband 8 werden gemeinsam über den Eintritt 9 in den Warentrockner 2 eingebracht und, um zu vermeiden, daß bei durchgedruckter Ware das Transportband 8 beschmutzt wird, wird die Warenbahn 6 bereits nach kurzer Laufstrecke durch eine zwischen Walzen 10 und 11 angeordnete Trenneinrichtung abgehoben. Die Warenbahn 6 wird an der Walze 11 abgelenkt und dann weiter durch den Warentrockner 2 geführt, und zwar kann die Warenbahn 6 mehrfach innerhalb des Warentrockners 2 geführt werden. Sie tritt dann beim Austritt 13 aus und wird in üblicher Weise weiterbehandelt.The printed
Das Transportband 8 wird nach Abheben der Warenbahn 6 in eine eigene Transportbandwascheinrichtung eingebracht, wo die noch nicht fest angetrocknete Farbe entfernt und das Transportband 8 gründlich gereinigt wird. Nach Verlassen der Waschvorrichtung 3 kann das Transportband in eine Wasserausquetschvorrichtung 4 zum Abquetschen des größten Teiles der vom Transportband 8 mitgenommenen Wassermenge geführt werden. Anstelle der Abquetschvorrichtung 4 kann auch eine Vakuumabsaugung vorgesehen sein. Anschließend wird das Transportband 8 in einen eigenen Transportbandtrockner 5 eingebracht und hier in üblicher Weise getrocknet, z.B. durch Aufblasen von erwärmter Luft. Vom Austritt 14 dieses Trockners 5 wird die Warenbahn dann wiederum zum Eingang 9 des Warentrockners gebracht und es wird hier wiederum eine Warenbahn 6 aufgelegt.After the
In der Fig.1 befindet sich der Eintritt 9 des Transportbandes 8 an einem Ende des Warentrockners 2 und am anderen Ende befindet sich sowohl der Austritt für die Warenbahn 6 als auch der Austritt für das Transportband 8. Bei der Fig.2 hingegen ist der Austritt des Transportbandes 8 am gleichen Ende wie der Eintritt 9 vorgesehen. Es sei noch darauf hingewiesen, daß im allgemeinen das Transportband 8 luftdurchlässig ist, so daß das Beblasen mit Heißluft äußerst wirksam ist.In FIG. 1 there is the
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT234286A AT393160B (en) | 1986-08-29 | 1986-08-29 | METHOD AND ARRANGEMENT FOR DRYING PRINTED PRODUCTS |
AT2342/86 | 1986-08-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0269602A2 true EP0269602A2 (en) | 1988-06-01 |
EP0269602A3 EP0269602A3 (en) | 1989-03-15 |
EP0269602B1 EP0269602B1 (en) | 1992-01-02 |
Family
ID=3532568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19870890199 Revoked EP0269602B1 (en) | 1986-08-29 | 1987-08-28 | Process and apparatus for drying printed webs |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0269602B1 (en) |
AT (1) | AT393160B (en) |
DE (1) | DE3775725D1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102189759A (en) * | 2011-04-22 | 2011-09-21 | 江苏舒尔雅家纺有限公司 | Conduction band cleaning-prebaking device |
CN109059495A (en) * | 2018-06-21 | 2018-12-21 | 温州市聚达信息科技有限公司 | A kind of printing and dyeing fabric high efficiency drying device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19914562A1 (en) | 1999-03-31 | 2000-10-05 | Eastman Kodak Co | Endless conveyor belt for receiving non-recording ejected ink from an ink jet recording device |
DE19914563A1 (en) | 1999-03-31 | 2000-10-05 | Eastman Kodak Co | Method and apparatus for cleaning the outer surface of an endless conveyor belt of non-recording ink ejected from an ink jet recording apparatus |
CN109228645B (en) * | 2018-10-24 | 2024-02-09 | 深圳市威利特自动化设备有限公司 | Printing production system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH439198A (en) * | 1965-11-05 | 1967-07-15 | Reggiani Spa | Machine for drying printed fabrics, especially knitted, knitted or other easily deformable fabrics |
DE2256427A1 (en) * | 1971-11-25 | 1973-05-30 | Peter Zimmer | DEVICE FOR PRINTING AND / OR INKING HIGH-PILE ROLLS |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT286919B (en) * | 1967-09-26 | 1970-12-28 | Peter Zimmer | Method and device for drying printed webs of material |
GB1339659A (en) * | 1971-11-19 | 1973-12-05 | Orlovsky Nii Legkogo Mash | Leather-painting installation |
-
1986
- 1986-08-29 AT AT234286A patent/AT393160B/en not_active IP Right Cessation
-
1987
- 1987-08-28 EP EP19870890199 patent/EP0269602B1/en not_active Revoked
- 1987-08-28 DE DE8787890199T patent/DE3775725D1/en not_active Revoked
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH439198A (en) * | 1965-11-05 | 1967-07-15 | Reggiani Spa | Machine for drying printed fabrics, especially knitted, knitted or other easily deformable fabrics |
DE2256427A1 (en) * | 1971-11-25 | 1973-05-30 | Peter Zimmer | DEVICE FOR PRINTING AND / OR INKING HIGH-PILE ROLLS |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102189759A (en) * | 2011-04-22 | 2011-09-21 | 江苏舒尔雅家纺有限公司 | Conduction band cleaning-prebaking device |
CN109059495A (en) * | 2018-06-21 | 2018-12-21 | 温州市聚达信息科技有限公司 | A kind of printing and dyeing fabric high efficiency drying device |
Also Published As
Publication number | Publication date |
---|---|
AT393160B (en) | 1991-08-26 |
EP0269602A3 (en) | 1989-03-15 |
DE3775725D1 (en) | 1992-02-13 |
ATA234286A (en) | 1991-01-15 |
EP0269602B1 (en) | 1992-01-02 |
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