EP3411236A1 - Vorrichtung und verfahren zum trocknen eines bandmaterials einer druckmaschine - Google Patents
Vorrichtung und verfahren zum trocknen eines bandmaterials einer druckmaschineInfo
- Publication number
- EP3411236A1 EP3411236A1 EP17702628.3A EP17702628A EP3411236A1 EP 3411236 A1 EP3411236 A1 EP 3411236A1 EP 17702628 A EP17702628 A EP 17702628A EP 3411236 A1 EP3411236 A1 EP 3411236A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drying
- strip material
- drying nozzle
- nozzle
- feed direction
- 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
Classifications
-
- 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
- B41F23/0403—Drying webs
- B41F23/0423—Drying webs by convection
- B41F23/0426—Drying webs by convection using heated air
Definitions
- the present invention relates to an apparatus for drying a strip material of a printing machine having a first drying nozzle and a second drying nozzle, wherein the first drying nozzle and the second drying nozzle are each adapted to apply drying air to the strip material, and wherein the first drying nozzle is formed such that it applies drying air to the strip material in a first feed direction and discharges it from the strip material in a first discharge direction, and the second drying nozzle is configured such that it applies drying air in a second feed direction to the strip material and removes it from the strip material in a second discharge direction.
- drying nozzles are arranged one behind the other in a housing at more or less large intervals. These blow warm air on the belt material to dry the substances on the material.
- a major disadvantage in the prior art is that the drying length and thus the installation space of drying devices is relatively large. The consequence is a large heat radiation and thus high energy costs.
- a drying device is known, wherein the drying device has a temperature-controllable roller and a blowing device which has an outlet opening whose outlet direction is aligned with at least one component of the outlet opening on a lateral surface of the temperature-controllable roller and wherein the outlet direction of the at least one Exit orifice has a component in a direction which is oriented parallel to a tangent to a direction of rotation provided for a printing operation of the next opening region of the outer surface of the jacket surface of the temperature-controlled roller.
- the object is achieved by a device for drying a strip material of a printing machine with a first drying nozzle and a second drying nozzle, wherein the first drying nozzle and the second drying nozzle are each adapted to apply drying air to the strip material, and wherein the first drying nozzle is formed in that it applies drying air in a first feed direction to the strip material and discharges it from the strip material in a first discharge direction, and the second drying nozzle is configured such that it applies drying air in a second feed direction to the strip material and removes it from the strip material in a second discharge direction wherein the first discharge direction of the first drying nozzle and the second discharge direction of the second drying nozzle are arranged to extend in a discharge passage between the first drying nozzle and the second drying nozzle.
- the technical advantage is achieved that the first and the second drying nozzle can be arranged very compact. This reduces the space of the device and thus the total drying length. The consequence is of a reduced Heat radiation and thus from reduced energy costs.
- Another advantage is achieved in that a better adaptation to customer needs can take place.
- the outflow channel is arranged orthogonal to the strip material. As a result, unnecessary air turbulence can be prevented and the drying performance is thereby increased.
- the outflow channel is formed by housing sections of the first drying nozzle and the second drying nozzle. This additionally favors the controlled discharge of the drying air from the strip material. It would also be conceivable here for the housing sections to be able to absorb part of the heat of the discharged drying air and to supply it to the drying nozzles. This could save additional energy costs.
- the first feed direction and the second feed direction are arranged orthogonal to each other. This additionally reduces the installation space length of the entire device.
- the first drying nozzle and the second drying nozzle are arranged to apply drying air to a pressure side of the strip material. This ensures optimum drying performance since the drying air of the first drying nozzle and the second drying nozzle comes into direct contact with the substances present on the strip material.
- the first drying nozzle and the second drying nozzle are associated with a guide roller.
- the guide roll for guiding the strip material is here at a back of the Band material formed.
- the geometric intersection point lies on the half of the imaginary line closer to the peripheral surface. This arrangement describes an even stronger inclination, which causes a further increased drying performance.
- the object is realized by a drying module with at least two devices arranged in series according to one of the preceding embodiments.
- a simplified or reduced maintenance is possible since if necessary, entire drying modules can be replaced.
- Two or more devices arranged in series can be combined into a model.
- a printing press depending on, for example, the number of printing or inking units, the maximum printing speed, the maximum printing length, the maximum printing width and / or the diameter of the impression cylinder, one or more such modules can be provided.
- Such a modular design of a drying device allows a series production of individual modules, but still an adjustment of the required dryer performance in the press in question by arranging several modules, as described above.
- the object stated above is also achieved by a method for drying a strip material of a printing press, in which drying air is applied to the strip material in each case with a first drying nozzle and with a second drying nozzle, wherein drying air is applied to the strip material in a first feed direction with the first drying nozzle and in a first discharge direction is discharged from the strip material, and with the second drying nozzle, the drying air is applied to the strip material in a second feed direction and discharged in a second discharge from the strip material, wherein the drying air of the first discharge direction of the first drying nozzle and the drying air of the second discharge direction of the second drying nozzle is discharged in a discharge channel between the first drying nozzle and the second drying nozzle.
- Fig. 2 is a further schematic representation of a device for
- intersection point 125 is located on an imaginary line between the rotation axis 130 and the peripheral surface 131 of the guide roller 121st It is advantageous if the imaginary line can be divided into two equal halves and the intersection 125 is located on the half, which is the peripheral surface 131 closer.
- This half of the imaginary line 132 is identified by the reference numeral 133 in FIG.
- the division of the imaginary line into two halves is indicated by the line 134.
- the wrap angle is the angle in the circumferential direction of the guide roller 121 between the point of impact of the strip material on the guide roll and the separation point of the strip material from the guide roll. It should be emphasized that even in the case of a one-dimensional description of the device and the method, the two-dimensional description should also be included throughout the present application. Thus, the strip material is particularly pronounced as a flat path.
- the guide roller 121 has an extension along its axis of rotation, which is preferably at least five times its diameter.
- the drying nozzles 103, 105 extend parallel to the guide roller 121.
- FIG. 3 shows a view similar to FIG. 1 of the apparatus 100 for drying the strip material 101.
- the adjustment of the drying nozzles 103 and 105 is illustrated with this figure.
- these drying nozzles are adjustable in height, ie their distance is adjustable relative to the guide roller 121.
- a displacement device such as the rails 140 shown, on which associated with the drying nozzles slide in the direction of the double arrow 141 - preferably vertically to the strip material 101 - are displaced.
- the drying nozzles can also be arranged pivotable relative to the guide roller 121.
- An example of a pivoting device is the pivot bearing 142, with which the respective drying nozzle can be pivoted. The displaceability and the pivotability of the drying nozzle can be combined with each other.
- the pivot bearing 142 may be disposed on the above-mentioned carriage.
- FIG. 4 shows a schematic representation of a drying module 200 with three devices 100 arranged in series.
- the devices 100 are likewise shown schematically and are assigned to guide rolls correspondingly illustrated schematically. Under no circumstances, however, is the drying module 200 limited to three in-line devices 100.
- the number of drying nozzles within a device 100 may include two or a plurality of drying nozzles each applying drying air to the strip material 101. The outflow of the drying air can be done by appropriately trained outflow between the drying nozzles.
- Figures 5a to 5c show schematic representations of multiple arrangements of drying modules 200. Depending on the number of drying modules 200, which are combined into a multiple arrangement, a corresponding reduction in length can be realized. Starting from a drying modulus of 1.3 m (see FIG.
- the length reduction in FIG. 5a is about 50 cm in the case of a multiple arrangement of three drying modules 200, since the overall length is from about 4.5 m to 4 m due to the arrangement of the drying nozzles according to the invention can be reduced.
- the length reduction in a multiple arrangement of four drying modules 200 is approximately 70 cm, since the total length can be reduced from approximately 6 m to 5.3 m by the arrangement of the drying nozzles according to the invention.
- the length reduction for a multiple arrangement of five drying modules 200 is approximately 140 cm, since the total length can be reduced from approximately 8 m to 6.6 m by the arrangement of the drying nozzles according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016201480.3A DE102016201480B4 (de) | 2016-02-01 | 2016-02-01 | Vorrichtung und Verfahren zum Trocknen eines Bandmaterials einer Druckmaschine |
| PCT/EP2017/052165 WO2017134114A1 (de) | 2016-02-01 | 2017-02-01 | Vorrichtung und verfahren zum trocknen eines bandmaterials einer druckmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3411236A1 true EP3411236A1 (de) | 2018-12-12 |
| EP3411236B1 EP3411236B1 (de) | 2019-12-11 |
Family
ID=57956304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17702628.3A Active EP3411236B1 (de) | 2016-02-01 | 2017-02-01 | Druckmaschine und verfahren zum trocknen eines bandmaterials einer druckmaschine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3411236B1 (de) |
| DE (1) | DE102016201480B4 (de) |
| ES (1) | ES2769293T3 (de) |
| WO (1) | WO2017134114A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102507607B1 (ko) | 2018-04-30 | 2023-03-09 | 킴벌리-클라크 월드와이드, 인크. | 저온, 고속 공기를 이용한 공기 건조기 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB895655A (en) * | 1958-11-04 | 1962-05-02 | Halley & Sons Ltd James | Improved apparatus for drying printed webs of material |
| DE1124972B (de) * | 1959-05-21 | 1962-03-08 | Hesser Ag Maschf | Vorrichtung zum Trocknen bedruckter laufender Bahnen aus Papier oder aehnlichen Stoffen |
| CH377853A (de) * | 1959-11-14 | 1964-05-31 | Winkler Fallert & Co Maschf | Verfahren und Vorrichtung zum Trocknen bewegter Papierbahnen, insbesondere von Tiefdruckpapierbahnen |
| US3873013A (en) * | 1973-10-04 | 1975-03-25 | Tec Systems | High velocity web floating air bar having center exhaust means |
| IT1153853B (it) * | 1982-09-22 | 1987-01-21 | Cerutti Spa Off Mec | Dispositivo di ventilazione per macchine da stampa, in particolare per macchine rotative a rotocalco |
| US6293196B1 (en) * | 1993-10-06 | 2001-09-25 | Howard W. DeMoore | High velocity, hot air dryer and extractor |
| CA2156005A1 (en) * | 1994-08-16 | 1996-02-17 | John W. Bird | Multiple color offset press utilizing aqueous ink and waterless printing plates with interstation drying and extraction |
| DE102007042716A1 (de) * | 2006-10-04 | 2008-04-10 | Heidelberger Druckmaschinen Ag | Vorrichtung zum Trocknen eines Bedruckstoffs |
| DE102007035989A1 (de) * | 2007-08-01 | 2009-02-05 | Eastman Kodak Co. | System zum Trocknen eines Substrats |
| DE202009017898U1 (de) * | 2009-07-15 | 2010-07-15 | Deutsche Mechatronics Gmbh | Konvektionstrockner |
| DE102012220431B4 (de) | 2012-11-09 | 2022-12-01 | Koenig & Bauer Ag | Verfahren zur Trocknung eines Bedruckstoffs mittels einer Trocknungseinrichtung einer Druckmaschine |
| DE102013101350B4 (de) * | 2013-02-12 | 2018-11-08 | Windmöller & Hölscher Kg | Trocknungsvorrichtung, System mit einer Trocknungsvorrichtung sowie Verfahren zum Betrieb einer Trocknungsvorrichtung zur Zwischenfarbwerkstrocknung einer Druckmaschine |
-
2016
- 2016-02-01 DE DE102016201480.3A patent/DE102016201480B4/de active Active
-
2017
- 2017-02-01 EP EP17702628.3A patent/EP3411236B1/de active Active
- 2017-02-01 ES ES17702628T patent/ES2769293T3/es active Active
- 2017-02-01 WO PCT/EP2017/052165 patent/WO2017134114A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016201480B4 (de) | 2019-07-11 |
| DE102016201480A1 (de) | 2017-08-03 |
| ES2769293T3 (es) | 2020-06-25 |
| EP3411236B1 (de) | 2019-12-11 |
| WO2017134114A1 (de) | 2017-08-10 |
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