EP0700781A2 - Procédé de repérage pour la réalisation d'impressions sur des objets supportés en rotation - Google Patents

Procédé de repérage pour la réalisation d'impressions sur des objets supportés en rotation Download PDF

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Publication number
EP0700781A2
EP0700781A2 EP95113936A EP95113936A EP0700781A2 EP 0700781 A2 EP0700781 A2 EP 0700781A2 EP 95113936 A EP95113936 A EP 95113936A EP 95113936 A EP95113936 A EP 95113936A EP 0700781 A2 EP0700781 A2 EP 0700781A2
Authority
EP
European Patent Office
Prior art keywords
printing
marking
carrying
angular position
rotation
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.)
Withdrawn
Application number
EP95113936A
Other languages
German (de)
English (en)
Other versions
EP0700781A3 (fr
Inventor
Paul Balsfulland
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.)
Balsfulland Maschinenfabrik GmbH
Original Assignee
Balsfulland Maschinenfabrik 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
Application filed by Balsfulland Maschinenfabrik GmbH filed Critical Balsfulland Maschinenfabrik GmbH
Publication of EP0700781A2 publication Critical patent/EP0700781A2/fr
Publication of EP0700781A3 publication Critical patent/EP0700781A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0872—Machines for printing on articles having essentially cylindrical surfaces

Definitions

  • the invention relates to a method for registering essentially cylindrical objects rotatably received about their axis for carrying out printing processes on the peripheral surface.
  • the screen printing method is to be used as an example of a printing method that is often used for printing the peripheral surface of essentially cylindrical objects.
  • Essentially cylindrical objects should be considered not only those with a circular or elliptical cross-section, but also objects with a rectangular, square or polygonal cross-section or other regular or irregular cross-sectional shapes insofar as they have an at least partially printable peripheral surface.
  • a surface feature can be, for example, a sandblasted calibration line of a beer glass, which is always on the back of the beer glass, that is, opposite the decoration of the beer glass.
  • Other surface designs to be taken into account can be relief-like designs, ground figures, certain positions of the cross-sectional contour, etc.
  • Another area of application is printing with more than four colors, since usually only four colors can be applied in one printing process, so that the object to be printed with further colors has to be unclamped and later re-clamped. The same applies to the application of a raised gold printing surface, which initially requires a congruent form with a form varnish, which is referred to as "flow".
  • the original registration which was present when the first surface feature was produced, is lost for later screen printing.
  • the subsequent screen printing which is used here as an example for the second surface design, must therefore be brought into a predetermined angular relationship with the originally existing surface design by renewed registration.
  • renewed registration is only possible with considerable restrictions. Since, due to the inertia of the object, the associated receptacle and the rotary drive, the object runs considerably beyond the intended stopping point, at least with rapid rotation, the intended stopping point must either be approached in the crawl gear or it must be retracted after the stopping point has been passed in the crawl gear. To determine the distance that the object has to be turned back, the braking distance of the system is determined, for example.
  • the invention has for its object to provide a method of the generic type, which allows to bring the object to be printed quickly and accurately into the angular position required for printing.
  • This object is achieved according to the invention by a method for registering essentially cylindrical objects rotatably received about their axis for carrying out printing processes on the peripheral surface with the aid of a program-controlled screen printing machine or the like, in which when the object is rotated, a predetermined marking is scanned on the object, the angular position of the scanned marking is set as the zero point of rotation of the object in the memory and the desired printing position, taking into account its angular distance from the predetermined angular position of the marking, with the aid of the control is approached.
  • the desired marking for example a calibration mark of a beer glass, a micrograph, an area previously printed in color or the like
  • This starting point can be set in the memory as a zero point or can be computed in relation to a fixed zero point.
  • the control offers the possibility of moving to a known angular position very quickly and precisely.
  • the detection of the marking can be done with any sensor. It can be an optical sensor, possibly in the form of a color recognition sensor, possibly also a mechanical sensor, a laser sensor, etc.
  • the only figure is a highly schematic, perspective representation of essential parts of a screen printing machine.
  • a machine frame is indicated by a lower base plate 10, a rear wall 12 protruding vertically from the rear edge thereof, which is on the left in the drawing, and an elongated frame part 14 attached to the upper edge of the rear wall 12 and projecting beyond the base plate 10.
  • a sieve 20 which can be raised and lowered is immersed in the sieve 18 and is attached to a gallows 22 mounted on the upper side of the frame part 14 and projecting over the sieve to the right in the drawing.
  • a toothed belt 24 is arranged on the right-hand end face of the frame part 14, which is guided around a drive gear 26 of a drive motor at the rear end of the frame part 14 and around a free-running gear 30 at the front end of the frame part 14.
  • the screen 18 is fastened to a run of the toothed belt 24 and is therefore moved in one or the other direction of the double arrow Y, depending on the direction of rotation of the drive motor 28.
  • an object 32 to be printed which in the example shown has a cylindrical shape.
  • the object 32 is received by a holder 34 which, as will be explained below, enables both the rotation and the raising and lowering of the object 32.
  • raising and lowering the object 32 is necessary so that the object can be brought up to the underside of the sieve 18.
  • objects that are not round in cross-section, such as those with an elliptical cross-section must also be continuously raised and lowered during the actual printing process.
  • the holder comprises a subframe 36, only indicated schematically, shown with two pneumatic cylinders 38, 40, which can be extended and contracted in accordance with the double arrows shown in order to raise and lower the object 32.
  • the unspecified piston rods of the pneumatic cylinders 38, 40 are connected to two opposite end plates 42, 44, which have an elongated shape in the vertical direction and support a drive shaft 46 in their lower end regions. Outside the end plate 42 on the left in the drawing, the drive shaft 46 is connected to a drive motor 48.
  • the drive shaft 46 initially runs from the drive motor 48 to a drive gear 50, then through the end plate 42 shown on the left in the drawing to a second drive gear 52 and from there to the lower region of the end plate 44 shown on the right in the drawing.
  • a printed surface 66 is shown as an example, which is to be overprinted in a certain way by a further print. It is, for example, an area that has been printed with a first group of colors and is then to be printed with further colors.
  • a sensor 70 is attached to an arm 68 extending from the upper frame part 14. This can be any sensor provided that it has a sufficiently high triggering and enables an accurate measurement of the angular position of a certain part of the printed surface 66.
  • the sensor 70 supplies an output signal to a controller 74 via a line 72, which is representative of the determined angular position of the printed surface 66. Furthermore, the angular position of the drive motor 28 for the screen and 48 of the object 32 are continuously monitored and communicated to the controller 74 via lines 76, 78. Since the angular position of the output shaft of this motor is thus detected in the control at any time due to the continuous monitoring of the drive motor 48, the angular position of the printed surface 66 can be determined at any time and exactly when the signal from the sensor 70 arrives. The corresponding value is stored and used as the basis for the further control of the rotation of the object 32 and the movement of the sieve 18.
  • the rotation of the object 32 can be known can be controlled very precisely in connection with the two translatory movements of the screen 18 and the holder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
EP95113936A 1994-09-06 1995-09-05 Procédé de repérage pour la réalisation d'impressions sur des objets supportés en rotation Withdrawn EP0700781A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944431638 DE4431638A1 (de) 1994-09-06 1994-09-06 Verfahren zur Passerung von drehbar aufgenommenen Gegenständen für die Durchführung von Druckvorgängen
DE4431638 1994-09-06

Publications (2)

Publication Number Publication Date
EP0700781A2 true EP0700781A2 (fr) 1996-03-13
EP0700781A3 EP0700781A3 (fr) 1997-04-16

Family

ID=6527490

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95113936A Withdrawn EP0700781A3 (fr) 1994-09-06 1995-09-05 Procédé de repérage pour la réalisation d'impressions sur des objets supportés en rotation

Country Status (2)

Country Link
EP (1) EP0700781A3 (fr)
DE (1) DE4431638A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921306C1 (de) * 1999-05-07 2000-08-03 Schott Glas Siebdruckvorrichtung
WO2008019829A1 (fr) * 2006-08-16 2008-02-21 Khs Ag Procédé pour imprimer des contenants sur leur circonférence
FR2920694A1 (fr) * 2007-09-12 2009-03-13 Mach Dubuit Soc Par Actions Si Dispositif d'impression, procede de reglage et procede d'impression
CN101612826B (zh) * 2009-07-24 2011-03-02 上海南部塑料制品有限公司 一种用于高印刷精度塑料筒的印刷方法
US8256854B2 (en) 2006-08-16 2012-09-04 Khs Gmbh Method and apparatus for the circumferential printing onto individual bottles in a run of bottles where the individual bottles in the run have at least one varying dimension due to manufacturing tolerances, the method and apparatus providing more consistent artwork on individual containers in the run of containers
CN110525019A (zh) * 2019-09-05 2019-12-03 罗婉青 一种油桶标签丝印设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19724368A1 (de) * 1997-06-10 1998-12-17 Prokon Gmbh Fahrzeugtechnische Vorrichtung zum Aufbingen von Flüssigkeiten auf Werkstücke

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1616426A1 (de) * 1968-03-19 1971-04-15 Rastal Werk Werner & Guenther Siebdruckmaschine
US4091726A (en) * 1976-11-02 1978-05-30 Joseph E. Podgor, Inc. Magnetic registration apparatus for silk screen printer
US4469022A (en) * 1983-04-01 1984-09-04 Permanent Label Corporation Apparatus and method for decorating articles of non-circular cross-section
DE3743676A1 (de) * 1987-12-23 1989-07-06 Hinterkopf Gmbh Druck- und/oder praegevorrichtung
EP0388904A2 (fr) * 1989-03-23 1990-09-26 Stork MBK GmbH Procédé et dispositif d'ajustage photoélectrique pour le positionnement automatique commandé par ordinateur pour les blocs d'impression d'une presse rotative de sérigraphie

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4132668C2 (de) * 1991-10-01 1993-09-30 Kammann Maschf Werner Vorrichtung und Verfahren zum Dekorieren eines kegelförmigen Körpers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1616426A1 (de) * 1968-03-19 1971-04-15 Rastal Werk Werner & Guenther Siebdruckmaschine
US4091726A (en) * 1976-11-02 1978-05-30 Joseph E. Podgor, Inc. Magnetic registration apparatus for silk screen printer
US4469022A (en) * 1983-04-01 1984-09-04 Permanent Label Corporation Apparatus and method for decorating articles of non-circular cross-section
DE3743676A1 (de) * 1987-12-23 1989-07-06 Hinterkopf Gmbh Druck- und/oder praegevorrichtung
EP0388904A2 (fr) * 1989-03-23 1990-09-26 Stork MBK GmbH Procédé et dispositif d'ajustage photoélectrique pour le positionnement automatique commandé par ordinateur pour les blocs d'impression d'une presse rotative de sérigraphie

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921306C1 (de) * 1999-05-07 2000-08-03 Schott Glas Siebdruckvorrichtung
GB2350818A (en) * 1999-05-07 2000-12-13 Zeiss Stiftung Screen printing apparatus for conical objects
US6223653B1 (en) 1999-05-07 2001-05-01 Schott Glas Screen printing apparatus
GB2350818B (en) * 1999-05-07 2002-12-31 Zeiss Stiftung Screen printing apparatus
WO2008019829A1 (fr) * 2006-08-16 2008-02-21 Khs Ag Procédé pour imprimer des contenants sur leur circonférence
US8256854B2 (en) 2006-08-16 2012-09-04 Khs Gmbh Method and apparatus for the circumferential printing onto individual bottles in a run of bottles where the individual bottles in the run have at least one varying dimension due to manufacturing tolerances, the method and apparatus providing more consistent artwork on individual containers in the run of containers
FR2920694A1 (fr) * 2007-09-12 2009-03-13 Mach Dubuit Soc Par Actions Si Dispositif d'impression, procede de reglage et procede d'impression
EP2036727A3 (fr) * 2007-09-12 2012-04-18 Machines Dubuit Dispositif d'impression, procédé de réglage et procédé d'impression
US8474376B2 (en) 2007-09-12 2013-07-02 Machines Dubuit Printing device, adjustment method and printing method
CN101612826B (zh) * 2009-07-24 2011-03-02 上海南部塑料制品有限公司 一种用于高印刷精度塑料筒的印刷方法
CN110525019A (zh) * 2019-09-05 2019-12-03 罗婉青 一种油桶标签丝印设备

Also Published As

Publication number Publication date
DE4431638A1 (de) 1996-03-14
EP0700781A3 (fr) 1997-04-16

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