EP2459385A1 - Equipment for printing on containers - Google Patents

Equipment for printing on containers

Info

Publication number
EP2459385A1
EP2459385A1 EP10740512A EP10740512A EP2459385A1 EP 2459385 A1 EP2459385 A1 EP 2459385A1 EP 10740512 A EP10740512 A EP 10740512A EP 10740512 A EP10740512 A EP 10740512A EP 2459385 A1 EP2459385 A1 EP 2459385A1
Authority
EP
European Patent Office
Prior art keywords
printing
container
print head
printed
plant according
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
EP10740512A
Other languages
German (de)
French (fr)
Other versions
EP2459385B1 (en
Inventor
Heinz Till
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.)
KHS GmbH
Original Assignee
KHS GmbH
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
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Application filed by KHS GmbH filed Critical KHS GmbH
Publication of EP2459385A1 publication Critical patent/EP2459385A1/en
Application granted granted Critical
Publication of EP2459385B1 publication Critical patent/EP2459385B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41J3/40733—Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
    • B41F17/18—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length on curved surfaces of articles of varying cross-section, e.g. bottles, lamp glasses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/28—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on curved surfaces of conical or frusto-conical articles
    • 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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00214—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using UV radiation
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04505—Control methods or devices therefor, e.g. driver circuits, control circuits aiming at correcting alignment
    • 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
    • B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
    • B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads
    • 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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating

Definitions

  • the invention relates to a system for printing on containers, such as bottles, with a printed image (font and / or image pattern) on at least one printing machine with at least one print head, as well as to a thus executed method.
  • labels such as bottles and packages are labeled so that consumer information can be displayed.
  • inkjet printers markings or other information are applied to the packaging, which allow an individualization that does not allow the label printing.
  • Such printing systems work monochrome and are limited to a few printing dots / lines.
  • Object of the present invention is to propose a system of the type mentioned, with the help of which a high pressure performance can be achieved with reliable function and high print quality.
  • the at least one print head by means of an electrical control device is automatically adjustable and an adjustment of the control device moves the printhead to spatial coordinates and / or angular position in a position which from the surface contour and the position of the container to be printed relative to the print head is determined or calculated by means of a detection device having, for example, sensors. In this way it is ensured that with little time a perfect print image can be applied to the container.
  • At least one further printing machine of the previously designated type can be arranged downstream of the first printing machine for printing with the same and different colors, so that differently colored printed images can be produced with the same advantage.
  • the at least two printing presses can work individually and independently of one another or in terms of control technology in order to apply the multicolored printed image to the container.
  • a mark is printed, by means of which a positioning and / or alignment of the print head of at least one further printing machine.
  • the marking may be provided in addition to the printed image, for example as an irregular polygon, in particular an isosceles triangle, but a part of the printed image may itself serve as a marking.
  • the marking may be transmitted via a camera or e.g. Sensors having image processing device are detected, which outputs a corresponding output signal to the printhead to position it correctly.
  • the print head of a downstream printing press for printing with the same or a further color on the print image of a previous printing press, for example by means of stepper or servo motors according to altitude, container spacing and / or tilt set.
  • the respective container to be printed is e.g. by means of an inlet star made of e.g. linear conveyor introduced into a station of a carousel (ie a rotary treatment machine), centered in a clamping device and rotated for printing in rotation.
  • an inlet star made of e.g. linear conveyor introduced into a station of a carousel (ie a rotary treatment machine), centered in a clamping device and rotated for printing in rotation.
  • the angle of rotation of the container can be determined at which the printing begins.
  • the respective container undergoes a revolution in its station while being printed on its surface.
  • the respective printed container can be transported out of the carousel by means of an outlet star and, if necessary, the applied color, e.g. in a UV tunnel, before being optionally in another and possibly similar trained printing machine for further printing, for. is introduced in the same way.
  • FIG. 3a and 3b a centering clamping device for two containers of different sizes in the station for printing a system according to the invention
  • Fig. 4a and 4b a possible structure of a device for adjusting the
  • Printing machine on a container in a vertical axis position and on a second printing machine at a randomly there during clamping resulting skew.
  • Fig. 1 shows at which points in principle, for example, a bottle-shaped container B can be printed by a print head 1, ie in particular on the stomach (print image area FB) and the neck (print image area F H ).
  • the container B is located during printing, for example, on a turntable 2 (see. FIGS. 3a and 3b) and is set in rotation there during the printing process.
  • the print image D is applied to the surface of the container B by means of nozzles 10 (see FIGS. 4a and 4b) of the print head 1 in the area of the print image surface F B or / and F H.
  • the position of the print head 1 according to location coordinates and angular position is automatically determined by the shape and position of the container B, which detects with the aid of a camera or an image processing device, which in turn emits corresponding Ausrichtsignale via a control device to the print head 1.
  • the print image area F of the container B may be at different levels from the turntable 2, so that the print head 1 in its height position (z-axis) is adjustable.
  • the distance (x-axis) of the print head 1 from the container axis A is also adjustable, as is the angular position of the print head 1 as a function of the container shape and the orientation of the container.
  • the centers of the bottle bottom and the bottle mouth can not be in the vertical or the same position as in the previous printing press. Also, therefore, an orientation in the angles ⁇ i and ⁇ 2 is provided (see Fig. 1d).
  • Fig. 2 illustrates a system according to the invention for printing on containers B with three consecutively connected rotary treatment machines (carousels) 3, each with several stations 13.
  • the unprinted container B are first brought from a linear conveyor line by means of an inlet star 4 in the first carousel 3 and there clamped on one of the stations 13 on a turntable 2 (see Fig. 3a and 3b) centered clamped.
  • the containers B rotate about their axis A such that they undergo one revolution during one revolution of the carousel 3.
  • the printed containers B are then transported by means of an outlet star 5 back into the conveying path and arrive after a drying or curing of the color, for example in a UV tunnel 6 to a second carousel 3 aufwei- send printing machine for the application of the next color.
  • 3a and 3b illustrate the entrapment of different container B between a lower turntable 2 and an adjustable centering counter-holder 7.
  • One differentiates an adjustment in the x-axis and the z-axis and the angle CH and ⁇ 2 when switching to a another container B or another position of the printed image in height and a fine adjustment during the printing process to compensate for unwanted tolerance violations.
  • the first adjustment essentially occurs when printing on different containers. The travels are possibly long between the position of the printed image area, for example in a short bottle and a high bottle or a thin bottle with a small diameter and a thick bottle with a large diameter.
  • the fine adjustment which takes place during the printing, usually requires only a few tenths of a millimeter adjustment.
  • FIG. 4a shows a possible structure for adjusting the print head 1 in the different axes.
  • the guide of the z-axis and the spindle drive for the height adjustment is not shown.
  • Fig. 4b shows the same arrangement in plan view.
  • FIG. 5 a shows an isosceles triangle as the marking M for the positioning of the print head 1 according to location coordinates and / or angular position.
  • the triangle points can be outside or inside the print image area F. Among other things, they serve to calculate the inclination of the container B and the height of the printed image surface F above the turntable 2. When two such triangles have been offset by 90 ° on the container B, the angles ⁇ i and 0: 2 (see FIG 1d and 4a and 4b).
  • FIG. 5 b illustrates an example in which individual points of the print image D itself are used as a marking in order to determine or calculate the positioning of the print head 1 relative to the container B and to deliver a corresponding adjustment signal to the print head 1.
  • the distance between the printhead. 1 and to be printed surface to change during a revolution of the container, since the print image D of FIG. 6a on a subsequent printing station is shown as an image according to FIG. 6b.

Abstract

The invention relates to equipment for printing on containers (B), such as bottles, having a printed design (D) on at least one printing machine having at least one print head (1), and is characterised in that the at least one print head (1) is automatically adjustable by means of an electrical controller. An adjustment value from the controller moves the print head (1) according to spatial co-ordinates and/or an angular position into a position that is determined or calculated by means of a measuring device having e.g. sensors from the surface contour and the position relative to the print head (1) of the container (B) to be printed upon.

Description

Anlage zum Bedrucken von Behältern  Plant for printing on containers
Die Erfindung bezieht sich auf eine Anlage zum Bedrucken von Behältern, wie Flaschen, mit einem Druckbild (Schrift- und/oder Bildmuster) auf mindestens einer Druckmaschine mit mindestens einem Druckkopf, sowie auf ein solchermaßen ausgeführtes Verfahren. Bekannt ist, dass Behälter wie Flaschen und Verpackungen mit Etiketten versehen werden, damit Verbraucherinformationen angebracht werden können. Bekannt ist auch, dass mit Tintenstrahldruckern Markierungen oder andere Informationen auf die Verpackung aufgebracht werden, die eine Individualisierung ermöglichen, die der Etikettendruck nicht erlaubt. Solche Drucksysteme arbeiten einfarbig und sind auf wenige Druckpunkte/Zeilen beschränkt. The invention relates to a system for printing on containers, such as bottles, with a printed image (font and / or image pattern) on at least one printing machine with at least one print head, as well as to a thus executed method. It is known that labels such as bottles and packages are labeled so that consumer information can be displayed. It is also known that with inkjet printers markings or other information are applied to the packaging, which allow an individualization that does not allow the label printing. Such printing systems work monochrome and are limited to a few printing dots / lines.
Bekannt ist weiterhin, dass an Druckverfahren und -Systemen gearbeitet wird, welche mittels Druckköpfen verschiedener Hersteller ein Bedrucken von Breiten bis zu 174 mm per Druckkopf erlauben. Auch diese Druckköpfe arbeiten einfar- big, bei mehreren Farben sind mehrere Druckköpfe nacheinander und entsprechend versetzt so anzuordnen, dass abhängig von der Anzahl der Farben ein immer gleichmäßiger Abstand zwischen den einzelnen Druckpunkten erreicht wird. Dies ist mit einer Justage an einer Maschine mit mehreren fest nacheinander angeordneten Druckköpfen möglich. Das Verpackungsmaterial wird dabei mit konstanter Geschwindigkeit an den Druckköpfen vorbeigeführt. Die Leistung einer solchen Maschine ist daher abhängig von der Druckgeschwindigkeit eines jeweiligen Druckkopfes. Dies ist zwar praktikabel für saugfähige Verpackungsmaterialien. Bei anderen Werkstoffen, wie Metallen, Glas oder Kunststoff muss die Farbe entweder durch Wärme getrocknet oder durch UV- oder Elektronen- strahlen durch Vernetzung gehärtet werden. Dieser Vorgang ist nach dem Druck jeder Druckfarbe anzuwenden, was die Länge solcher Maschinen erhöht. Will man die Leistung erhöhen, so sind entweder mehrere Drucksysteme parallel zu schalten oder aber eine andere Anordnung zu wählen. Es gibt bereits den Vorschlag, auf einem Karussell mehrere Halterungen für zu bedruckendes Verpackungsmaterial kreisförmig anzuordnen und die einzelne Verpackung auf der individuellen Station während der Rotation des Karussells selbst zu drehen und somit die Oberfläche der Verpackung an mehreren an jeder Station angeordneten und zueinander ausgerichteten Druckköpfen vorbei- zuführen. Nachteilig dabei ist, dass bei Oberflächen, die die Verwendung von UV-härtenden oder durch Elektronenstrahl zu härtenden Tinten brauchen, keine Zwischentrocknung bzw. Vernetzung der einzelnen Druckfarben möglich ist. It is also known that printing processes and systems are used which allow printing heads of different manufacturers to print widths of up to 174 mm per print head. These printheads are also single-color. For multiple colors, several printheads are to be arranged one after the other and offset in such a way that, depending on the number of colors, an evenly spaced distance between the individual printing dots is achieved. This is possible with an adjustment to a machine with several printheads arranged one after the other. The packaging material is guided past the print heads at a constant speed. The performance of such a machine is therefore dependent on the printing speed of a respective printhead. This is indeed practical for absorbent packaging materials. For other materials, such as metals, glass or plastic, the paint must either be dried by heat or hardened by UV or electron beam crosslinking. This process is after printing apply to any ink, increasing the length of such machines. If you want to increase the power, so either multiple printing systems to switch in parallel or to choose a different arrangement. There is already a suggestion to circularly arrange on a carousel a plurality of holders for packaging material to be printed and to rotate the individual package on the individual station during the rotation of the carousel itself, thus passing the surface of the package to a plurality of printheads arranged at each station and aligned with each other - respectively. The disadvantage here is that with surfaces that require the use of UV-curing or by electron beam to be cured inks, no intermediate drying or crosslinking of the individual printing inks is possible.
Deshalb gibt es weiterhin den Vorschlag, jede Farbe auf einzelnen, nacheinan- der in Reihe angeordneten Karussells aufzubringen, wobei die Trocknung/Vernetzung auf dem Transfer zwischen den einzelnen Karussells erfolgen kann. Vorgesehen ist bei dieser Ausführung, den Behälter bzw. die Verpackungen auf einem Riemen in einer jeweils an dem Riemen in einer Teilung, welche der Teilung der Maschine gleicht, zu befestigen, eigenständigen Transportein- heit einzuspannen und somit zentriert nacheinander durch die verschiedenen hintereinander angeordneten Karussells zu fahren. Diese Halterung wäre als Drehlagerung auszubilden, so dass sich die Behälter auf den Karussells antreiben und somit an dem individuellen Druckkopf der jeweiligen Farbe mit gesamter Oberfläche vorbeigeführt werden. Therefore, there is still the suggestion to apply each color to individual carousels arranged one behind the other in series, wherein the drying / crosslinking can take place on the transfer between the individual carousels. It is envisaged in this embodiment, the container or the packaging on a belt in each case on the belt in a pitch, which resembles the pitch of the machine to mount independent transport unit and thus centered successively through the various successively arranged carousels to drive. This holder would be designed as a pivot bearing, so that drive the container on the carousels and thus be passed to the individual print head of the respective color with the entire surface.
Weiterhin wurde vorgeschlagen, Behälter in individuelle Halterungen einzuspannen, wobei jede Halterung den Behälter drehbar aufnimmt und eine Markierung für den 0 Grad-Winkel hat. Die Behälter werden so eingespannt individuell transportiert und in nacheinandergeschalteten Druckmaschinen mit der Halte- rung aufgenommen. Dabei ist die Halterung und die Aufnahme so konzipiert, dass eine Zentrierung der Halterung in der Maschine so genau erfolgt, dass der Behälter passend zum Druckbild des entsprechenden Druckkopfes und durch die 0 Grad-Markierung entsprechend auch in der Drehachse ausgerichtet wird. Die Anforderungen an die Zentrierung und die Genauigkeit der Führung, damit ein qualitativ hochwertiges Druckbild erreicht wird, ist dabei allerdings hoch und komplex, da beim Anfahren und Abbremsen unterschiedliche Zugkräfte auf den Riemen wirken und außerdem Temperaturschwankungen auftreten könne, die beide zu Toleranzüberschreitungen führen, die nicht kompensierbar sind. Zu berücksichtigen ist weiterhin, dass der Behälter, wenn es sich um eine Flasche handelt, in der Regel schwer ist, da das Bedrucken normalerweise nach dem Füllen stattfindet. Zu diesem Gewicht addiert sich noch die Masse der Halterung selbst. Die Genauigkeit der Zentrieranforderung wird deutlich, wenn man weiß, dass bei üblichen 600 dpi Druckqualität die Druckpunkte 0,042 mm voneinander entfernt sind und die schwere Flaschenhalterung daher dauerhaft auf 1/100 mm ausgerichtet werden muss. Bei Verarbeitungsmengen von z.B. 36.000 Flaschen /h in der Getränkeindustrie laufen somit über 200 Mio. Flaschen pro Jahr durch eine solche Maschine. Der Verschleiß ist dadurch enorm und beeinflusst die Druckqualität erheblich. Aufgabe der vorliegenden Erfindung ist es, eine Anlage der eingangs genannten Art vorzuschlagen, mit Hilfe welcher bei zuverlässiger Funktion und hoher Druckqualität eine hohe Druckleistung erzielt werden kann. It has also been proposed to clamp containers in individual holders, each holder rotatably receiving the container and having a mark for the 0 degree angle. The containers are thus transported individually and transported to the holding device in successive printing presses. The holder and the receiver are designed to that a centering of the holder in the machine is so accurate that the container is aligned according to the printed image of the corresponding print head and by the 0 degree mark accordingly in the axis of rotation. However, the requirements for centering and the accuracy of the guide, so that a high-quality print image is achieved, it is high and complex, since when pulling and braking different tensile forces acting on the belt and also temperature fluctuations could occur, both of which lead to tolerance violations, the are not compensable. It should also be kept in mind that if the container is a bottle, it is usually difficult, since printing normally takes place after filling. The mass of the holder itself adds to this weight. The accuracy of the centering requirement becomes clear when it is known that with standard 600 dpi print quality the print dots are 0.042 mm apart and the heavy bottle holder therefore has to be permanently aligned to 1/100 mm , With processing quantities of, for example, 36,000 bottles / h in the beverage industry, more than 200 million bottles per year thus pass through such a machine. The wear is enormous and affects the print quality considerably. Object of the present invention is to propose a system of the type mentioned, with the help of which a high pressure performance can be achieved with reliable function and high print quality.
Diese Aufgabe wird bei einer Anlage der eingangs genannten Art beispielsweise dadurch gelöst, dass der mindestens eine Druckkopf mittels einer elektrischen Steuereinrichtung selbsttätig verstellbar ist und ein Verstellwert aus der Steuereinrichtung den Druckkopf nach Ortskoordinaten und/oder Winkellage in eine Position verfährt, welche aus der Oberflächenkontur und der Lage des zu bedruckenden Behälters relativ zu dem Druckkopf mittels einer z.B. Sensoren aufweisenden Erfassungseinrichtung bestimmt bzw. errechnet wird. Auf diese Weise wird sichergestellt, dass mit geringem Zeitaufwand ein einwandfreies Druckbild auf den Behälter aufgebracht werden kann. This object is achieved in a system of the type mentioned, for example, in that the at least one print head by means of an electrical control device is automatically adjustable and an adjustment of the control device moves the printhead to spatial coordinates and / or angular position in a position which from the surface contour and the position of the container to be printed relative to the print head is determined or calculated by means of a detection device having, for example, sensors. In this way it is ensured that with little time a perfect print image can be applied to the container.
In der erfindungsgemäßen Anlage kann mindestens eine weitere Druckmaschi- ne der zuvor gekennzeichneten Art zum Bedrucken mit gleicher und unterschiedlicher Farbe der ersten Druckmaschine nachgeordnet sein, so dass mit gleichem Vorteil verschiedenfarbige Druckbilder erzeugt werden können. In the system according to the invention, at least one further printing machine of the previously designated type can be arranged downstream of the first printing machine for printing with the same and different colors, so that differently colored printed images can be produced with the same advantage.
Die wenigstens zwei Druckmaschinen können individuell und unabhängig von- einander oder steuerungstechnisch miteinander verkettet arbeiten, um das mehrfarbige Druckbild auf den Behälter aufzubringen. The at least two printing presses can work individually and independently of one another or in terms of control technology in order to apply the multicolored printed image to the container.
Zur weiteren Verbesserung der Genauigkeit des Druckbildes wird ferner vorgeschlagen, dass in der mindestens einen Druckmaschine auf den jeweiligen Behälter eine Markierung aufgedruckt wird, mit Hilfe welcher eine Positionierung und/oder Ausrichtung des Druckkopfes mindestens einer weiteren Druckmaschine erfolgt. To further improve the accuracy of the printed image is also proposed that in the at least one printing press on the respective container a mark is printed, by means of which a positioning and / or alignment of the print head of at least one further printing machine.
Die Markierung kann zusätzlich zu dem Druckbild, beispielsweise als unregel- mäßiges Vieleck, insbesondere gleichschenkliges Dreieck, vorgesehen sein, aber ein Teil des Druckbildes kann auch selbst als Markierung dienen. The marking may be provided in addition to the printed image, for example as an irregular polygon, in particular an isosceles triangle, but a part of the printed image may itself serve as a marking.
Hierbei kann die Markierung über eine Kamera oder eine z.B. Sensoren aufweisende Bildverarbeitungseinrichtung erfasst werden, welche ein entsprechendes Ausgangssignal an den Druckkopf abgibt, um diesen richtig zu positionieren. Hereby, the marking may be transmitted via a camera or e.g. Sensors having image processing device are detected, which outputs a corresponding output signal to the printhead to position it correctly.
Vorteilhafterweise wird mit Hilfe der aus der Markierung gewonnenen Daten beispielsweise der Druckkopf einer nachgeschalteten Druckmaschine für das Bedrucken mit derselben oder einer weiteren Farbe auf das Druckbild einer vorhergehenden Druckmaschine z.B. mittels Schritt- oder Servomotoren nach Höhenlage, Behälterabstand und/oder -neigung eingestellt. Advantageously, with the help of the data obtained from the marking, for example, the print head of a downstream printing press for printing with the same or a further color on the print image of a previous printing press, for example by means of stepper or servo motors according to altitude, container spacing and / or tilt set.
In einer praktischen Ausgestaltung der erfindungsgemäßen Anlage wird bei- spielsweise der jeweils zu bedruckende Behälter z.B. mittels eines Einlaufsternes aus einer z.B. linearen Fördereinrichtung in eine Station eines Karussells (also einer rotativen Behandlungsmaschine) eingebracht, in einer Klemmvorrichtung zentriert und zum Bedrucken in Rotation versetzt. Dabei kann mit Hilfe der aus der Markierung gewonnenen Daten der Drehwinkel des Behälters bestimmt werden, bei welchem das Bedrucken beginnt. In a practical embodiment of the system according to the invention, for example, the respective container to be printed is e.g. by means of an inlet star made of e.g. linear conveyor introduced into a station of a carousel (ie a rotary treatment machine), centered in a clamping device and rotated for printing in rotation. In this case, with the help of the data obtained from the marking, the angle of rotation of the container can be determined at which the printing begins.
Vorteilhafterweise erfährt der jeweilige Behälter während eines Umlaufes des Karussells eine Umdrehung in seiner Station, während er auf seiner Oberfläche bedruckt wird. Advantageously, during a revolution of the carousel, the respective container undergoes a revolution in its station while being printed on its surface.
Danach kann der jeweilige bedruckte Behälter mittels eines Auslaufsternes aus dem Karussell heraustransportiert und ggf. die aufgebrachte Farbe, z.B. in einem UV-Tunnel, ausgehärtet werden, bevor er ggf. in eine weitere und ggf. gleichartig ausgebildete Druckmaschine für ein weiteres Bedrucken z.B. in gleicher Weise eingebracht wird. Thereafter, the respective printed container can be transported out of the carousel by means of an outlet star and, if necessary, the applied color, e.g. in a UV tunnel, before being optionally in another and possibly similar trained printing machine for further printing, for. is introduced in the same way.
Entsprechend kann die Erfindung auch auf Linearmaschinen ausgeführt werden. Weitere Ziele, Merkmale, Vorteile und Anwendungsmöglichkeiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnungen. Dabei bilden alle beschriebenen und/oder bildlich dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, auch unabhängig von ihrer Zusammenfassung in einzelnen An- Sprüchen und/oder deren Rückbeziehung. Es zeigen: Accordingly, the invention can also be carried out on linear machines. Other objects, features, advantages and applications of the invention will become apparent from the following description of exemplary embodiments with reference to the drawings. All described and / or illustrated features alone or in any combination form the subject matter of the invention, regardless of their summary in individual claims and / or their dependency. Show it:
Fig. 1 a bis 1d die prinzipiellen Positioniermöglichkeiten des Druckkopfes der Fig. 1 a to 1 d, the principle positioning capabilities of the printhead of
Druckmaschine einer erfindungsgemäßen Anlage relativ zu einem, im dargestellten Fall als Flasche ausgebildeten, Behälter,  Printing machine of a plant according to the invention relative to a container, in the illustrated case in the form of a bottle,
Fig. 2 eine mögliche Anordnung von beispielsweise drei Druckmaschinen in einer erfindungsgemäßen Anlage hintereinander, 2 shows a possible arrangement of, for example, three printing presses in a system according to the invention in succession,
Fig. 3a und 3b eine zentrierende Klemmeinrichtung für zwei Behälter unterschiedlicher Größe in der Station zum Bedrucken einer erfindungsgemäßen Anlage, Fig. 4a und 4b einen möglichen Aufbau einer Einrichtung zum Verstellen des 3a and 3b a centering clamping device for two containers of different sizes in the station for printing a system according to the invention, Fig. 4a and 4b, a possible structure of a device for adjusting the
Druckkopfes in verschiedenen Achsen im Schnitt und in Draufsicht,  Printhead in different axes in section and in plan view,
Fig. 5a und 5b Beispiele möglicher Markierungen auf dem Behälter zur 5a and 5b examples of possible markings on the container for
Bestimmung der Positionierung des Druckkopfes, und  Determining the positioning of the printhead, and
Fig. 6a und 6b ein Vergleich der Abwicklung eines Druckbildes einer ersten 6a and 6b, a comparison of the development of a printed image of a first
Druckmaschine auf einem Behältnis in einer senkrechten Achslage und auf einer zweiten Druckmaschine bei einer sich dort beim Einspannen zufällig ergebenden Schieflage.  Printing machine on a container in a vertical axis position and on a second printing machine at a randomly there during clamping resulting skew.
Fig. 1 zeigt, an welchen Stellen prinzipiell beispielsweise ein flaschenförmiger Behälter B mittels eines Druckkopfes 1 bedruckt werden kann, also insbesondere am Bauch (Druckbildfläche FB) und am Hals (Druckbildfläche FH). Der Behäl- ter B befindet sich beim Bedrucken beispielsweise auf einem Drehteller 2 (vgl. Fig. 3a und 3b) und wird dort während des Druckvorganges in Rotation versetzt. Das Druckbild D wird mittels aus Düsen 10 (vgl. Fig. 4a und 4b) des Druckkopfes 1 austretender Farbe im Bereich der Druckbildfläche FB oder/und FH auf die Oberfläche des Behälters B aufgebracht. Die Position des Druckkopfes 1 nach Ortskoordinaten und Winkellage wird selbsttätig durch die Form und Lage des Behälters B bestimmt, welche mit Hilfe einer Kamera bzw. einer Bildverarbeitungseinrichtung erfasst, welche ihrerseits entsprechende Ausrichtsignale über eine Steuereinrichtung an den Druckkopf 1 abgibt. Die Druckbildfläche F des Behälters B kann in unterschiedlicher Höhe von dem Drehteller 2 liegen, so dass der Druckkopf 1 in seiner Höhenlage (z-Achse) verstellbar ist. Der Abstand (x-Achse) des Druckkopfes 1 von der Behälterachse A ist ebenfalls verstellbar, ebenso die Winkellage des Druckkopfes 1 in Abhängigkeit von der Behälterform und der Ausrichtung des Behälters. Bei einer Flasche können beispielsweise die Mittelpunkte von Flaschenboden und Flaschenmündung nicht in der senkrech- ten oder derselben Lage, wie in der vorherigen Druckmaschine sein. Auch deswegen ist eine Ausrichtung in den Winkeln αi und Ö2 vorgesehen (siehe Fig. 1d). Fig. 1 shows at which points in principle, for example, a bottle-shaped container B can be printed by a print head 1, ie in particular on the stomach (print image area FB) and the neck (print image area F H ). The container B is located during printing, for example, on a turntable 2 (see. FIGS. 3a and 3b) and is set in rotation there during the printing process. The print image D is applied to the surface of the container B by means of nozzles 10 (see FIGS. 4a and 4b) of the print head 1 in the area of the print image surface F B or / and F H. The position of the print head 1 according to location coordinates and angular position is automatically determined by the shape and position of the container B, which detects with the aid of a camera or an image processing device, which in turn emits corresponding Ausrichtsignale via a control device to the print head 1. The print image area F of the container B may be at different levels from the turntable 2, so that the print head 1 in its height position (z-axis) is adjustable. The distance (x-axis) of the print head 1 from the container axis A is also adjustable, as is the angular position of the print head 1 as a function of the container shape and the orientation of the container. In the case of a bottle, for example, the centers of the bottle bottom and the bottle mouth can not be in the vertical or the same position as in the previous printing press. Also, therefore, an orientation in the angles αi and Ö2 is provided (see Fig. 1d).
Fig. 2 veranschaulicht eine erfindungsgemäße Anlage zum Bedrucken von Behältern B mit drei hintereinander geschalteten rotativen Behandlungsmaschinen (Karussells) 3 mit jeweils mehreren Stationen 13. Die unbedruckten Behälter B werden von einer linearen Förderstrecke mittels eines Einlaufsterns 4 zunächst in das erste Karussell 3 gebracht und dort auf jeweils einer der Stationen 13 auf einem Drehteller 2 (siehe Fig. 3a und 3b) zentriert festgeklemmt. Während des Drückens rotieren die Behälter B um ihre Achse A derart, dass sie eine Umdrehung während eines Umlaufes des Karussells 3 erfahren. Die bedruckten Behälter B werden dann mittels eines Auslaufsternes 5 wieder in die Förderstrecke transportiert und gelangen nach einer Trocknung bzw. Härtung der Farbe z.B. in einem UV-Tunnel 6 zu einer zweiten ein Karussell 3 aufwei- senden Druckmaschine für die Aufbringung der nächsten Farbe. Ein Behälter B von der vierten Station 13 der ersten Druckmaschine kann dabei z.B. auf der fünften Station 13 der zweiten oder der siebten Station 13 der dann noch folgenden dritten Druckmaschine gelangen. Da ein Druckvorgang einschließlich Behälterausrichtung ca. 2 sec dauert, haben die Karussells bei 10 Behälter/sec = 36.000 Behälter/h, also ca. 8 bis 9 Stationen 13 einschließlich Ein-/Auslauf. Die Toleranzen von sechs Druckmaschinen bei Sechsfarbendruck und je 9 Stationen, d.h. 72 Stationen insgesamt, so auszurichten, dass alle Behälter auf 1/100 mm das Druckbild D genau aufnehmen, ist unmöglich. Deswegen ist es wichtig, dass die Entfernung des Druckkopfes 1 von der Drehtellermitte (in x-Richtung) einstellbar ist. Fig. 2 illustrates a system according to the invention for printing on containers B with three consecutively connected rotary treatment machines (carousels) 3, each with several stations 13. The unprinted container B are first brought from a linear conveyor line by means of an inlet star 4 in the first carousel 3 and there clamped on one of the stations 13 on a turntable 2 (see Fig. 3a and 3b) centered clamped. During pressing, the containers B rotate about their axis A such that they undergo one revolution during one revolution of the carousel 3. The printed containers B are then transported by means of an outlet star 5 back into the conveying path and arrive after a drying or curing of the color, for example in a UV tunnel 6 to a second carousel 3 aufwei- send printing machine for the application of the next color. A container B from the fourth station 13 of the first printing press can arrive, for example, on the fifth station 13 of the second or the seventh station 13 of the then following third printing press. Since a printing process including container orientation takes about 2 seconds, the carousels at 10 containers / sec = 36,000 containers / h, ie about 8 to 9 stations 13 including entry / exit. It is impossible to align the tolerances of six printing presses with six-color printing and 9 stations each, ie 72 stations in total, in such a way that all containers can accurately record the print image D at 1/100 mm. Therefore, it is important that the distance of the print head 1 from the turntable center (in the x direction) is adjustable.
Die Fig. 3a und 3b veranschaulichen die Einklemmung unterschiedlicher Behälter B zwischen einem unteren Drehteller 2 und einem verstellbaren zentrierenden Gegenhalter 7. Man unterscheidet dann eine Verstellung in der x-Achse und der z-Achse sowie der Winkel CH und α2 bei Umstellung auf einen anderen Behälter B bzw. eine andere Lage des Druckbildes in der Höhe und eine Feinjustage während des Bedruckungsvorganges, um unerwünschte Toleranzüberschreitungen auszugleichen. Die erste Verstellung kommt im Wesentlichen beim Bedrucken unterschiedlicher Behälter vor. Die Verfahrwege sind dabei ggf. lang zwischen der Lage der Druckbildfläche z.B. bei einer kurzen Flasche und einer hohen Flasche bzw. einer dünnen Flasche mit kleinem Durchmesser und einer dicken Flasche mit großem Durchmesser. Die Feinjustage, welche während des Bedrückens stattfindet, benötigt in der Regel nur wenige Zehntel Millimeter Verstellung. 3a and 3b illustrate the entrapment of different container B between a lower turntable 2 and an adjustable centering counter-holder 7. One then differentiates an adjustment in the x-axis and the z-axis and the angle CH and α 2 when switching to a another container B or another position of the printed image in height and a fine adjustment during the printing process to compensate for unwanted tolerance violations. The first adjustment essentially occurs when printing on different containers. The travels are possibly long between the position of the printed image area, for example in a short bottle and a high bottle or a thin bottle with a small diameter and a thick bottle with a large diameter. The fine adjustment, which takes place during the printing, usually requires only a few tenths of a millimeter adjustment.
Die Fig. 4a und 4b veranschaulichen einen möglichen Aufbau zur Verstellung des Druckkopfes 1 in den verschiedenen Achsen. In Fig. 4a ist die Führung der z-Achse und der Spindelantrieb für die Höhenverstellung nicht dargestellt. Fig. 4b zeigt dieselbe Anordnung in Draufsicht. Fig. 5a zeigt als Markierung M für die Positionierung des Druckkopfes 1 nach Ortskoordinaten und/oder Winkellage ein gleichschenkliges Dreieck. Die Dreieckpunkte können außerhalb oder innerhalb der Druckbildfläche F liegen. Sie dienen unter anderem der Berechnung der Schrägstellung des Behälters B und der Höhe der Druckbildfläche F über dem Drehteller 2. Wenn zwei derartige Dreiecke um 90° versetzt auf dem Behälter B aufgebracht worden sind, sind die Winkel αi und 0:2 (vgl. Fig. 1d sowie 4a und 4b) eindeutig bestimmbar. Figures 4a and 4b illustrate a possible structure for adjusting the print head 1 in the different axes. In Fig. 4a, the guide of the z-axis and the spindle drive for the height adjustment is not shown. Fig. 4b shows the same arrangement in plan view. FIG. 5 a shows an isosceles triangle as the marking M for the positioning of the print head 1 according to location coordinates and / or angular position. The triangle points can be outside or inside the print image area F. Among other things, they serve to calculate the inclination of the container B and the height of the printed image surface F above the turntable 2. When two such triangles have been offset by 90 ° on the container B, the angles αi and 0: 2 (see FIG 1d and 4a and 4b).
Fig. 5b veranschaulicht ein Beispiel, in welchem einzelne Punkte des Druckbil- des D selbst als Markierung verwendet werden, um die Positionierung des Druckkopfes 1 relativ zu dem Behälter B zu bestimmen bzw. zu berechnen und ein entsprechendes Verstellsignal an den Druckkopf 1 abzugeben. FIG. 5 b illustrates an example in which individual points of the print image D itself are used as a marking in order to determine or calculate the positioning of the print head 1 relative to the container B and to deliver a corresponding adjustment signal to the print head 1.
Da z.B. zu bedruckende Behälter, wie Flaschen unrund sein können sowie bei exzentrischem Stand des Behälters, wie einer Flasche auf dem jeweiligen Drehteller 2, wodurch der Behälter nicht um die eigene Achse sondern um die des Drehtellers drehen, ist es erfindungsgemäß möglich, den Abstand zwischen Druckkopf 1 und zu bedruckender Oberfläche während einer Umdrehung des Behälters zu verändern, da das Druckbild D gemäß Fig. 6a auf einer nachfol- genden Druckstation sich als Abbild gemäß Fig. 6b darstellt. As e.g. To be printed container, such as bottles can be out of round and eccentric level of the container, such as a bottle on the turntable 2, whereby the container does not rotate about its own axis but about the turntable, it is inventively possible, the distance between the printhead. 1 and to be printed surface to change during a revolution of the container, since the print image D of FIG. 6a on a subsequent printing station is shown as an image according to FIG. 6b.
Erfindungsgemäß wird weiterhin vorgeschlagen, den Abstand zwischen Druckkopf 1 und Behälteroberfläche mittels Sensoren ständig zu messen, um den Abstandswert in der x-Achse sowie die Winkel Ch und 02 während der Drehung des Behälters nachzujustieren. Damit ist immer ein gleicher Abstand zu der zu bedruckenden Oberfläche gegeben, auch dann, wenn z.B. unrunde Flaschen oder ovale Flaschen zu bedrucken sind. Bezugszeichenliste: According to the invention, it is further proposed to measure the distance between the print head 1 and the container surface by means of sensors in order to readjust the distance value in the x-axis and the angles Ch and O 2 during the rotation of the container. This is always an equal distance to the surface to be printed, even if, for example, non-round bottles or oval bottles are to be printed. LIST OF REFERENCE NUMBERS
1 Druckkopf 1 printhead
2 Drehteller  2 turntables
3 Karussell  3 roundabout
4 Einlaufstern  4 inlet star
5 Auslaufstern  5 outlet star
6 Trocknung/Härtung (UV-Tunnel) 6 drying / curing (UV tunnel)
7 Gegenhalter 7 counterholds
8 Zahnstange  8 rack
9 Schlitten (x-Achse)  9 carriages (x-axis)
10 Düsen  10 nozzles
11 Führung für z-Achse  11 guide for z-axis
12 Spindelmutter für z-Achse  12 Spindle nut for z-axis
13 Station  13 station
A Behälterachse A container axis
B Behälter  B container
D Druckbild  D printed image
FB Druckbildfläche Bauch  FB printed image belly
FH Druckbildfläche Hals  FH printed image neck
M Markierung  M mark
αi Neigungswinkel αi inclination angle
α2 Neigungswinkel α 2 inclination angle

Claims

Patentansprüche: claims:
1. Anlage zum Bedrucken von Behältern (B), wie Flaschen, mit einem Druckbild (D) auf mindestens einer Druckmaschine mit mindestens einem Druckkopf (1 ), dadurch gekennzeichnet, dass der mindestens eine Druckkopf (1 ) mittels einer vorzugsweise elektrischen Steuereinrichtung selbsttätig verstellbar ist und ein Verstellwert aus der Steuereinrichtung den Druckkopf (1 ) nach Ortskoordinaten und/oder Winkellage in eine Position verfährt, welche aus der Oberflächenkontur und der Lage des zu bedruckenden Behälters (B) relativ zu dem Druckkopf (1 ) mittels einer z. B. Sensoren aufweisenden Erfassungseinrichtung bestimmt bzw. errechnet wird. 1. Plant for printing on containers (B), such as bottles, with a printed image (D) on at least one printing machine with at least one print head (1), characterized in that the at least one print head (1) by means of a preferably electric control device automatically adjustable is and an adjustment value from the control device moves the print head (1) for location coordinates and / or angular position in a position which from the surface contour and the position of the container to be printed (B) relative to the print head (1) by means of a z. B. sensors having detection device is determined or calculated.
2. Anlage nach Anspruch 1 , dadurch gekennzeichnet, dass der ersten Druckmaschine mindestens eine weitere Druckmaschine der in Anspruch 1 gekennzeichneten Art zum Bedrucken mit gleicher oder unterschiedlicher Farbe nachgeordnet ist. 2. Plant according to claim 1, characterized in that the first printing machine is arranged downstream of at least one further printing press of the type characterized in claim 1 for printing with the same or different color.
3. Anlage nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die mindestens zwei Druckmaschinen individuell und unabhängig voneinander oder steuerungstechnisch miteinander verkettet arbeiten. 3. Plant according to claim 1 or 2, characterized in that the at least two printing machines work individually and independently of each other or control technology linked together.
4. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekenn- zeichnet, dass in mindestens einer Druckmaschine auf den Behälter (B) eine Markierung (M) aufgedruckt wird, mit Hilfe welcher eine Positionierung und/oder Ausrichtung des Druckkopfes (1 ) mindestens einer weiteren Druckmaschine erfolgt. 4. Installation according to one of the preceding claims, characterized in that in at least one printing press on the container (B) a mark (M) is printed by means of which a positioning and / or orientation of the print head (1) at least one further Printing machine is done.
5. Anlage nach Anspruch 4, dadurch gekennzeichnet, dass die Markierung (M) ein zusätzlich zu dem Druckbild (D) aufgedrucktes unregelmäßiges Vieleck, insbesondere ein gleichschenkliges Dreieck, ist oder ein Teil des Druckbildes (D) selbst als Markierung (M) dient. 5. Plant according to claim 4, characterized in that the marking (M) in addition to the printed image (D) printed irregular polygon, in particular an isosceles triangle, or a part of the printed image (D) itself serves as a marker (M).
6. Anlage nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Markierung (M) über eine Kamera oder eine z.B. Sensoren aufweisende Bildverarbeitungseinrichtung erfasst wird, welche ein entsprechendes Ausrichtsignal an den Druckkopf (1 ) abgibt. Installation according to claim 4 or 5, characterized in that the marking (M) is transmitted via a camera or a e.g. Sensors having image processing device is detected, which emits a corresponding alignment signal to the print head (1).
7. Anlage nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass beim Bedrucken der Abstand zwischen Druckkopf (1 ) und Behälteroberfläche mittels Sensoren ständig gemessen und der Abstandswert in der x-Achse sowie die Neigungswinkel (α-i, α2) der Behälteroberfläche während der Drehung des Behälters nachjustiert wird. 7. Plant according to one of claims 1 to 6, characterized in that during printing, the distance between the print head (1) and container surface by means of sensors constantly measured and the distance value in the x-axis and the inclination angle (α-i, α 2 ) of Tank surface is readjusted during rotation of the container.
8. Anlage nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass mit Hilfe der aus der Markierung (M) gewonnenen Daten der Druckkopf (1 ) einer nachgeschalteten Druckmaschine für das Bedrucken mit derselben oder einer weiteren Farbe auf das Druckbild (D) einer vorhergehenden Druckmaschine z.B. mittels Schritt- oder Servomotoren nach Höhenlage, Abstand des Behälters (B) und/oder Neigung des Behälters (B) eingestellt wird. 8. Plant according to claim 6 or 7, characterized in that with the help of the data obtained from the mark (M) of the print head (1) of a downstream printing machine for printing with the same or another color on the print image (D) of a previous printing machine eg is adjusted by means of stepper or servo motors according to the altitude, distance of the container (B) and / or inclination of the container (B).
9. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekenn- zeichnet, dass der jeweils zu bedruckende Behälter (B) z.B. mittels eines Einlaufsternes aus einer z.B. linearen Fördereinrichtung in eine Station (13) eines Karussells (3) (also einer rotativen Behandlungsmaschine) eingebracht, dort in einer Klemmeinrichtung (2, 7) zentriert und in Rotation versetzt wird. 9. Installation according to one of the preceding claims, characterized in that the respectively to be printed container (B), for example by means of an inlet star from an example linear conveyor in a station (13) of a carousel (3) (ie a rotary treatment machine) introduced , there centered in a clamping device (2, 7) and is set in rotation.
10. Anlage nach einem der Ansprüche 4 bis 9, dadurch gekennzeichnet, dass bei mindestens einer Umdrehung des Behälters (B) zum vollumfänglichen Bedrucken bzw. bei einer Drehung um wenige Winkelgrade zur Erfüllung des Bedrückens nach Ausrichten des Behälters (B) bei nur teilweise zu bedrucken- der Außenumfangsfläche mit Hilfe der aus der Markierung (M) gewonnenen Daten der Drehwinkel des Behälters (B) bestimmt wird, bei welchem das Bedrucken beginnt bzw. endet. 10. Installation according to one of claims 4 to 9, characterized in that at least one revolution of the container (B) for full-scale printing or in a rotation by a few degrees to fulfill the depression after aligning the container (B) at only partially On the basis of the data obtained from the marking (M), the outer angle of rotation of the container (B) at which the printing starts or ends is determined.
11. Anlage nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass der jeweilige Behälter (B) während eines Umlaufes des Karussells (3) mindestens eine Umdrehung in seiner Station (13) erfährt, während er auf seiner Oberfläche bedruckt wird. 11. Plant according to claim 9 or 10, characterized in that the respective container (B) during one revolution of the carousel (3) undergoes at least one revolution in its station (13) while it is printed on its surface.
12. Anlage nach einem der Ansprüche 9 bis 11 , dadurch gekennzeichnet, dass der jeweilige bedruckte Behälter (B) mittels eines Auslaufsternes (5) aus dem Karussell (3) heraustransportiert und ggf. die aufgebrachte Farbe, z.B. in einem UV-Tunnel (6), ausgehärtet wird, bevor er in eine ggf. weitere und ggf. gleichartig ausgebildete Druckmaschine für ein weiteres Bedrucken eingebracht wird. 12. Plant according to one of claims 9 to 11, characterized in that the respective printed container (B) by means of an outlet star (5) out of the carousel (3) transported out and possibly the applied color, e.g. in a UV tunnel (6), is cured before being introduced into an optionally further and possibly similarly trained printing press for further printing.
EP10740512.8A 2009-07-18 2010-07-08 Equipment for printing on containers Revoked EP2459385B1 (en)

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DE102009033810A DE102009033810A1 (en) 2009-07-18 2009-07-18 Plant for printing on containers
PCT/EP2010/004162 WO2011009536A1 (en) 2009-07-18 2010-07-08 Equipment for printing on containers

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EP2459385A1 true EP2459385A1 (en) 2012-06-06
EP2459385B1 EP2459385B1 (en) 2013-12-11

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CN (1) CN102596579B (en)
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US20160023459A1 (en) 2016-01-28
US20120199021A1 (en) 2012-08-09
EP2459385B1 (en) 2013-12-11
WO2011009536A1 (en) 2011-01-27
DE102009033810A1 (en) 2011-01-27
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US9090091B2 (en) 2015-07-28
US9421760B2 (en) 2016-08-23

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