EP2743087A1 - Imprimante avec habillage - Google Patents

Imprimante avec habillage Download PDF

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Publication number
EP2743087A1
EP2743087A1 EP13189031.1A EP13189031A EP2743087A1 EP 2743087 A1 EP2743087 A1 EP 2743087A1 EP 13189031 A EP13189031 A EP 13189031A EP 2743087 A1 EP2743087 A1 EP 2743087A1
Authority
EP
European Patent Office
Prior art keywords
air
printing
printing machine
space
process air
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
Application number
EP13189031.1A
Other languages
German (de)
English (en)
Other versions
EP2743087B2 (fr
EP2743087B1 (fr
Inventor
Georg Gertlowski
Frank Winzinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krones AG
Original Assignee
Krones AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49356337&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2743087(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Krones AG filed Critical Krones AG
Publication of EP2743087A1 publication Critical patent/EP2743087A1/fr
Application granted granted Critical
Publication of EP2743087B1 publication Critical patent/EP2743087B1/fr
Publication of EP2743087B2 publication Critical patent/EP2743087B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B41J3/40733—Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles

Definitions

  • the invention relates to a printing machine, which is provided with a lining, within which a predetermined atmosphere can be generated.
  • the invention is therefore based on the object to provide a cladding for printing presses, which improves the protection against undesirable environmental influences and at the same time meets the requirements of occupational safety.
  • the printing machine for directly printing on containers, the printing machine comprising a cover adapted to separate the printing machine located therein from the surrounding space, at least one supply possibility to guide the containers in the space within the cover and a discharge possibility, to guide the containers out of this space, it is characterized in that the panel separates the printing machine from surrounding space such that a controlled atmosphere can be created within the panel. This lining allows printing to take place under a well-defined atmosphere.
  • the printing machine is characterized in that it comprises a ventilation system with at least one main flow, in which an air filter is arranged, wherein the ventilation system is adapted to generate an overpressure against the outside prevailing pressure within the printing press.
  • a ventilation system with at least one main flow, in which an air filter is arranged, wherein the ventilation system is adapted to generate an overpressure against the outside prevailing pressure within the printing press.
  • the printing machine is characterized in that the ventilation system comprises a heating device for heating recirculated process air, the heating device being arranged in a secondary flow branched off after the air filter, which recirculates the recirculated process air into the main flow upstream of the air filter. Since warmer air can absorb moisture better than less warm, attaching a heater for a corresponding air filter is advantageous because the cold air, which can save less moisture than warm, first filtered and then heated, then again be fed to the main stream in front of the air filter.
  • the ventilation system of the printing press is adapted to generate a constant temperature within the printing press and / or to maintain a constant air humidity and / or to suppress air flows which can lead to pressure mist distributions.
  • the printing press is characterized in that a heating device is provided in the main stream. With this heater, a sufficient heating can be realized.
  • the printing press comprises a wet-separation system with at least one cooling system, which can suck process air and washout water, wherein the washout water can be cooled by the cooling system so that the moisture content of the process air can be kept constant when flowing through the wet-separation system , By appropriate cooling, the ability of the process air to absorb moisture is minimized and a desired moisture content can be maintained. Even subsequent heating of the process air can not increase this, unless additional water or moisture is added.
  • the printing press is characterized in that a fine filter is provided in the main stream.
  • a fine filter is provided in the main stream.
  • deposits of residues such as the ink or the adhesive used during printing, may occur during printing.
  • a purification of the process air from these Pollution by means of a fine filter can on the one hand prevent accumulations of moisture from these impurities and on the other hand ensure that containers to be printed are not contaminated before printing.
  • the wet separation system includes a recirculation pump and / or a Venturi scrubber including at least one venturi.
  • a particularly good separation of the washout water is guaranteed by the recirculated process air.
  • this apparatus By using, for example, this apparatus, a direct printing method of containers characterized in that a controlled atmosphere is created inside the panel can be realized. Direct printing under given atmospheric conditions can lead to better and especially always reproducible results, which can improve the quality of the products produced.
  • an overpressure relative to the pressure prevailing outside the printing press inside the printing press is generated by a ventilation system with at least one main flow in which an air filter is arranged. This suppresses or partially prevents the penetration of any contaminated outside air.
  • the direct-pressure method is characterized in that recirculated process air is heated by a heater, which is arranged in a secondary flow in the flow direction of the recirculated process air behind the air filter, and passed through the bypass flow in the main flow upstream of the air filter.
  • a heater which is arranged in a secondary flow in the flow direction of the recirculated process air behind the air filter, and passed through the bypass flow in the main flow upstream of the air filter.
  • the ventilation system within the printing press maintains a constant temperature and / or maintains a constant air humidity and / or suppresses air flows which can lead to the distribution of the pressure mist. This ensures that printing is always carried out in the context of process-related fluctuations of constant atmosphere.
  • the recirculated process air passes through a heating device provided therein during the passage of the main flow. This can be a targeted and complete Heating the recirculated process air can be achieved so that it can be brought in any case to the necessary process temperature.
  • the direct printing method is characterized in that the process air is sucked out together with washout water by a wet separation system from the printing press and the washout water is cooled by the wet separation system so far that the moisture content of the extracted process air when flowing through the wet process. Separation system remains constant. This ensures that a certain value of the moisture contained in the process air is obtained and even with subsequent heating of the recirculated process air this value is maintained, unless an additional source of humidity follows.
  • the recirculated process air passes through a fine filter during passage of the main stream.
  • dirt that can not be removed by the air filter can be filtered out of it.
  • soiling and contamination of the process air, which are caused by emitted during printing particles are cleaned up here.
  • Fig. 1 shows a system 100.
  • This system 100 consists of a machine 102 that can be used to make or process containers.
  • the machine 102 is a printing machine for printing on containers 120.
  • the printing press can be operated intermittently, but can also be a continuously rotating machine for increased performance.
  • These containers may be, for example, packaging of any kind and in particular bottles.
  • the system 100 further includes a cowl 101 that separates the engine 102 therein from the surrounding space 160. In this case, a space 170 is created inside the lining 101.
  • the separation of the space 170 from the surrounding space 160 by the lining 101 takes place in such a way that at least one supply possibility 103 is provided for supplying the container 120, for example by means of a conveyor belt 106, and also a discharge possibility 104 for discharging the processed container 120 ', for example also by means of a conveyor belt 105 is provided.
  • the space 170 "produced" inside the lining 101 is not a closed or closed system in the physical sense.
  • the supply possibility 103 and discharge possibility 104 are chosen as small as possible, preferably so small that only the corresponding delivery devices 106 and 105 and the containers 120 or even only the containers 120 and 120 'can be guided through these openings.
  • a ventilation system 107 which can control the internal air or the atmosphere within the lining 101 in the space 170.
  • it is preferably equipped with means for controlling and controlling the temperature, the humidity and optionally with means for controlling air flows within the space 170.
  • These means may in particular be sensors for detecting temperature and / or humidity in the ambient air.
  • the ventilation system 107 is used here only as a collective term. A detailed description of the ventilation system and its use is in Fig. 3 respectively.
  • Fig. 2 shows schematic representations of embodiments of the lead options and Aus effetsde 203 and 204.
  • Fig. 2a again an overall view of the system 200.
  • the supply line 203 and discharge possibility 204 in the cladding 201 in the form of extended locks. These are not only openings in the lining 201 but components with special functions. As boundary conditions, however, they must be able to ensure the transport of the containers 220 or of the processed containers 220 'after leaving the machine 202, for which reason their dimensions must be selected so that a delivery of the containers 220 to the machine 202 and a discharge of the processed containers 220'. can be done by the machine 202.
  • FIG. 13 shows one possible embodiment of a diversion option 204.
  • the following figures explicitly describe only embodiments for the derivation option 204. It should be noted, however, that these can also be used in unmodified form for the supply possibility 203.
  • the Aus effets Anlagenkeit 204 is realized by means of a lock in which at the entrance a permanent opening 210 is provided, which preferably has the shape of the container to be processed 220.
  • the shape of the container 220 is to be understood in this context that the opening 210 corresponds to an imaginary cross-section of the container 220 as it is to be guided through the lock by means of the conveyor system 206.
  • the profile of a bottle was used here.
  • another profile for the opening 210 can also be selected according to the container 220 to be processed.
  • Embodiments of the invention 210 are particularly preferred such that they are only slightly larger than the objects 220 to be processed, if they are arranged with appropriate accuracy on the conveyor system.
  • openings 210 which in each direction allow a clearance of 1 mm or 2 mm, preferably 5 mm, particularly preferably 1 cm, are particularly preferred, so that a slight slippage of the container 220 to be processed can also be compensated and this can not be counteracted against the opening 210 or the adjacent part of the panel 201 encounters. It may also be preferred that the opening is formed as a rectangle whose dimension in the direction perpendicular to the conveying plane 206 is selected so that it is slightly larger than the dimension of the container 220 to be processed in this direction. Particularly preferred here are dimensions that are 1 mm to 2 mm, but at most 5 mm larger than the object to be processed 220.
  • another opening 210 ' is provided at the opposite end of the lock through which the object to be processed from space 270 within the panel 201.
  • This opening may be similar in shape and size to the first opening 210, but may also be designed according to one of the further described embodiments as appropriate.
  • Fig. 2c shows a further embodiment of the lock or the Zu effets Anlagenkeit 204, in which the opening 210 is designed as a gate.
  • This gate can be formed for example by means of two sliding or hinged doors, as shown here, along the Arrow directions can be moved. However, it is also possible to provide only a door instead of the two doors or a gate that can be moved up or to the side or opened to allow retraction of the container to be processed 220. If there is no container 220 in the vicinity of the opening 210, this can be permanently closed in this embodiment so that there is no exchange of air or atmosphere present in the surrounding space 260 with the atmosphere present in the interior 270.
  • a second opening 210 ' is provided, which may be performed according to the opening 210 or according to another embodiment.
  • Fig. 2d shows a further embodiment of a lock.
  • an additional vent 250 is provided within the feed-out facility 204, which can draw in air.
  • both air from the interior 270 within the casing 201 and outside air 260 is sucked out of the space outside the casing 201.
  • this additional ventilation 250 is designed such that there is no or only slight transfer of outside air from the outside space 260 into the interior space 270 within the lining 201. This additionally assists the effect of the trim so that the atmosphere within the trim 201 in the space 270 remains adjusted according to well-defined parameters.
  • This additional ventilation can also help to prevent pressure mist from escaping from the device by providing appropriate exhaust the escaping from the device through the supply and / or Austechnischsdorfkeit 204 pressure mist.
  • Fig. 3 shows an embodiment of the in Fig. 1 only schematically illustrated ventilation system.
  • this ventilation system 390 which is shown here in the dashed area, serves to create an atmosphere within the lining 301 in the interior 370, which meets certain requirements, in particular certain parameters.
  • the ventilation device 390 is able to build up a slightly increased pressure within the lining 301 in relation to the external pressure prevailing in the outer space 360. As a result of this slight overpressure, an undesired entry of outside air from the space 360 into the interior space 370 can be prevented completely, even when the supply possibility or the diversion possibility is opened.
  • the ventilation device 390 preferably still has additional devices, the recirculated process air from the interior 370, possibly contaminated or with air the surrounding space 360 is mixed, clean.
  • an overpressure in the interior 370 is preferred which is 1 hPa, preferably 2 hPa, particularly preferably 5 to 10 hPa above the normal pressure or the current external pressure is.
  • pressure differences to the external pressure of 0.1 to 1 hPa, in particular 0.1 to 0.5 hPa are possible.
  • the pressure in the inner space 370 and in the outer space 360 can be measured, for example, by means of sensors and the measured values are evaluated by a control unit and the ventilation system is controlled accordingly, so that the pressure difference remains constant at all times.
  • the ventilation system comprises a main flow with an air filter.
  • this main stream is designed so that it continuously extracts process air from the interior space 370 and cleans it via the air filter 316 and then can re-introduce it into the interior space 370. This can be seen with the help of the arrows shown.
  • the process air inlets may also be so arranged be counter-blown by the movement of the printheads and / or the container - preferably against the transport direction of the container.
  • a secondary flow 319 ' is arranged, which comprises a heating device 315. If the recirculated process air passes through the air filter 316, it is not only led directly into the interior 370, but also passes through the secondary flow 319 'to the heating device 315, where it is heated. It may then, as it is already cleaned, be re-integrated into the main stream 319 to heat the recirculated process air. Thus, a desired temperature in the interior 370 can be achieved. It is particularly preferred that the heating device 315 is controllable, so that the heating of the recirculated process air can be controlled, for example to achieve a predetermined value.
  • a fine filter 317 may be arranged to remove small particles that may not have been removed from the air filter 316 from the recirculated process air.
  • a suction device for drawing in outside air may preferably be provided, which is then directed, for example, into the main flow 319 before passing through the air filter 316 and the eventually provided fine filter 317. It is then treated, optionally heated and can be used in the interior 370. It may be expedient here to heat the sucked air by means of a heat exchanger.
  • the air in the machine as soon as it re-enters the main stream to be passed by a heat exchanger. It gives off heat to these and thus also drier, since they can absorb less moisture. At the same time the sucked process air is passed to another area of the heat exchanger and can thus absorb the heat absorbed by this.
  • the ventilation system is designed so that it sterilizes the process air or that only sterilized air is passed into the interior.
  • a sterilization of the container can take place simultaneously.
  • a HEPA filter can be arranged in the flow direction of the process air to be recirculated before or after the air filters 316 and 317, which sterilizes the process air conducted through it.
  • conditions can be met as in a clean room, so it can then act in the atmosphere in the interior of the machine to clean room atmosphere.
  • An additional sterilization of the containers in the interior can be done by means of UV lamps, which are directed to certain parts of the container or on the entire container.
  • the cleaning system can work analogously to a CIP system in the sense that a closed cycle for the cleaning liquid is produced in a cleaning cycle.
  • undeliverable sealing and / or connecting elements could be present in the area of the supply and / or discharge possibility, which can be delivered via drives in the cleaning cycle.
  • an outlet could be connected to an inlet for the air. If both lie side by side, the element could be a simple cap, sealingly applied over both openings.
  • optical sensors are arranged in the interior. These may be associated with particular areas or parts of the printing press or the ventilation system, and are preferably configured to recognize color deposits at the locations to which they are assigned. If the paint deposits exceed a certain threshold, then a cleaning cycle may be automatically initiated or a notification may be sent to the operator, who may then perform the cleaning cycle in, for example, a next shutdown phase or maintenance phase.
  • a wet separation system can be provided. If wash-out water is precipitated in the process carried out in the machine 302, a correspondingly provided cooling device can be provided for cooling this washout water 314, with which process air extracted at the same time can be cooled. The extracted process air has then after cooling to a lower air humidity, as they can absorb due to the lower temperature, only a small part of water vapor. This cooled air can then either be integrated into the main flow 319 to be further purified and then optionally heated, or it can be introduced directly into the interior 370. The washout water can also be treated accordingly by means of the ventilation device 390.
  • the wet separation system comprises a storage tank into which the washout water can be pumped.
  • a control device which can control at least the ventilation device 390 to achieve certain predetermined operating parameters. This can control the power of the heater as well as preferably the adjustment of the overpressure. If it is necessary, for example, for a specific printing process to be carried out at a specific atmospheric humidity F1 and another printing process at a specific atmospheric humidity F2, the control unit can measure moisture and temperature by evaluating sensors provided in the interior 370 and then controlling them by controlling the ventilation system 390 adjust so that the required conditions are met. In addition to the additional ventilation 250 off Fig. 2D In particular, in the supply possibility an additional fan may be provided which dries the supplied containers should they have, for example, an undesirable moisture film.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Drying Of Solid Materials (AREA)
  • Ink Jet (AREA)
EP13189031.1A 2012-12-17 2013-10-17 Imprimante avec habillage Active EP2743087B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012223402.0A DE102012223402A1 (de) 2012-12-17 2012-12-17 Direktdruckmaschine mit Verkleidung

Publications (3)

Publication Number Publication Date
EP2743087A1 true EP2743087A1 (fr) 2014-06-18
EP2743087B1 EP2743087B1 (fr) 2016-03-23
EP2743087B2 EP2743087B2 (fr) 2021-05-05

Family

ID=49356337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13189031.1A Active EP2743087B2 (fr) 2012-12-17 2013-10-17 Imprimante avec habillage

Country Status (3)

Country Link
EP (1) EP2743087B2 (fr)
CN (1) CN103862857B (fr)
DE (1) DE102012223402A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3450178A3 (fr) * 2017-09-04 2019-05-22 KRONES Aktiengesellschaft Climatisation de machines d'impression directes
WO2021021108A1 (fr) 2019-07-29 2021-02-04 Hewlett-Packard Development Company, L.P. Pression dans un appareil d'impression
EP3797886A1 (fr) * 2019-09-25 2021-03-31 Krones Aktiengesellschaft Machine de prétraitement et procédé de prétraitement pour récipients
US11052651B2 (en) * 2018-03-22 2021-07-06 Bobst (Shanghai) Ltd. Hot foil stamping device including a mobile window apparatus
EP3377325B1 (fr) * 2015-11-20 2022-03-09 Krones AG Machine d'impression directe et procédé pour effectuer une impression directe sur des contenants

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105835534A (zh) * 2015-01-12 2016-08-10 重庆联佰博超医疗器械有限公司 一种自助打印系统
DE102015222996A1 (de) * 2015-11-20 2017-05-24 Krones Ag Aushärtestation und Verfahren zum Aushärten von Druckfarbe eines Direktdrucks auf Behältern
DE102019128739A1 (de) * 2019-10-24 2021-04-29 Krones Ag Behälterbehandlungsanlage und Verfahren zum Behandeln von Behältern

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US20040003741A1 (en) * 2002-07-03 2004-01-08 Therics, Inc. Apparatus, systems and methods for use in three-dimensional printing
US20060029740A1 (en) * 2004-07-12 2006-02-09 Kabushiki Kaisha Toshiba Coating apparatus and coating method
DE102009041527A1 (de) * 2009-08-08 2011-02-10 Till, Volker Anlage zum Bedrucken von Behältern
WO2011091011A1 (fr) * 2010-01-20 2011-07-28 Ten Media, Llc Systèmes et procédés de traitement d'œufs et d'autres objets

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DE10349560A1 (de) 2003-10-22 2005-06-02 Werner Kammann Maschinenfabrik Gmbh Vorrichtung zum Dekorieren von formsteifen Objekten
DE202005006340U1 (de) * 2005-04-21 2005-07-14 Völker GmbH Vorrichtung zum Einpacken von Eiern in verschließbare Behältnisse
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EP2206605B2 (fr) 2009-01-07 2022-01-19 Flooring Industries Limited, SARL Dispositif d'impression et procédé d'impression de papier d'impression
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DE102009013477B4 (de) 2009-03-19 2012-01-12 Khs Gmbh Druckvorrichtung zum Bedrucken von Flaschen oder dergleichen Behältern
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Publication number Priority date Publication date Assignee Title
US20040003741A1 (en) * 2002-07-03 2004-01-08 Therics, Inc. Apparatus, systems and methods for use in three-dimensional printing
US20060029740A1 (en) * 2004-07-12 2006-02-09 Kabushiki Kaisha Toshiba Coating apparatus and coating method
DE102009041527A1 (de) * 2009-08-08 2011-02-10 Till, Volker Anlage zum Bedrucken von Behältern
WO2011091011A1 (fr) * 2010-01-20 2011-07-28 Ten Media, Llc Systèmes et procédés de traitement d'œufs et d'autres objets

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3377325B1 (fr) * 2015-11-20 2022-03-09 Krones AG Machine d'impression directe et procédé pour effectuer une impression directe sur des contenants
EP3450178A3 (fr) * 2017-09-04 2019-05-22 KRONES Aktiengesellschaft Climatisation de machines d'impression directes
US11460199B2 (en) 2017-09-04 2022-10-04 Krones Ag Climate control of direct printing machines
US11052651B2 (en) * 2018-03-22 2021-07-06 Bobst (Shanghai) Ltd. Hot foil stamping device including a mobile window apparatus
WO2021021108A1 (fr) 2019-07-29 2021-02-04 Hewlett-Packard Development Company, L.P. Pression dans un appareil d'impression
EP4003741A4 (fr) * 2019-07-29 2023-03-29 Hewlett-Packard Development Company, L.P. Pression dans un appareil d'impression
US11701907B2 (en) 2019-07-29 2023-07-18 Hewlett-Packard Development Company, L.P. Pressure diffrentials at printers
EP3797886A1 (fr) * 2019-09-25 2021-03-31 Krones Aktiengesellschaft Machine de prétraitement et procédé de prétraitement pour récipients

Also Published As

Publication number Publication date
DE102012223402A1 (de) 2014-06-18
CN103862857B (zh) 2016-06-15
EP2743087B2 (fr) 2021-05-05
CN103862857A (zh) 2014-06-18
EP2743087B1 (fr) 2016-03-23

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