EP3927557A1 - Procédé et dispositif pour le marquage au laser d'étiquettes en plastique - Google Patents

Procédé et dispositif pour le marquage au laser d'étiquettes en plastique

Info

Publication number
EP3927557A1
EP3927557A1 EP20706445.2A EP20706445A EP3927557A1 EP 3927557 A1 EP3927557 A1 EP 3927557A1 EP 20706445 A EP20706445 A EP 20706445A EP 3927557 A1 EP3927557 A1 EP 3927557A1
Authority
EP
European Patent Office
Prior art keywords
laser
marking
plastic
label
labels
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.)
Pending
Application number
EP20706445.2A
Other languages
German (de)
English (en)
Inventor
Sandra Klocke
Kilian Klages
Albrecht Schierholz
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3927557A1 publication Critical patent/EP3927557A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/267—Marking of plastic artifacts, e.g. with laser
    • 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
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/455—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using laser arrays, the laser array being smaller than the medium to be recorded
    • 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
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/475—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material for heating selectively by radiation or ultrasonic waves
    • B41J2/4753—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material for heating selectively by radiation or ultrasonic waves using thermosensitive substrates, e.g. paper
    • 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
    • B41J3/4075—Tape printers; Label printers

Definitions

  • the present invention relates to a method and a device for laser marking plastic labels.
  • Terminal blocks for electrical installations such as those used in B. are installed in control cabinets, are often marked or labeled with the help of plastic labels.
  • the labels can be labeling profiles that are positively clamped into a receptacle provided on the terminal block. Such labels are z. B. marked or printed in specially provided labeling devices.
  • Known labeling devices often have high operating costs for the end user who z. B. by a high energy consumption, z. B. with laser marking, or the consumption of manufacturer-specific toner or ink cartridges and printing media arise.
  • the present invention is based on the technical problem of specifying a method and a device for laser marking of plastic labels which enable inexpensive, efficient laser marking of labels.
  • the invention relates to a method for laser marking plastic labels, comprising the steps of: providing at least one plastic label to be marked; Providing a marking laser, wherein the marking laser is a diode laser having at least one laser diode and wherein the marking laser has no further laser-active medium, such as an active fiber or the like; Marking the plastic label by laser marking with the marking laser.
  • the use of a diode laser offers the advantage of enabling inexpensive and efficient laser marking of plastic labels.
  • the marking takes place in particular in that the plastic of the plastic label changes color due to the energy input by the laser.
  • a plastic label When a plastic label is mentioned here, it can e.g. be a multilayer material with an adhesive layer, such as a label sheet, a label roll or the like.
  • the plastic label is in particular a marker which e.g. can be formed from a solid material in the injection molding process, and has molded elements for fastening to terminals of electrical installations.
  • a plurality of such markers can, for example, be provided in one piece as a card or mat, from which individual markers or several markers in combination can be removed.
  • the markers can, for example, have a surface to be inscribed, with protruding shaped elements such as webs, latching hooks or the like being provided on a side of the marker facing away from the surface to be inscribed.
  • the shaped elements are designed in particular to be in grooves or undercuts, for example of Intervene form-fitting terminal blocks in order to achieve a form-fitting and / or force-fitting connection between the terminal and the associated marker. In other words, such a marker can be locked onto a clamp by means of a click or clamp connection.
  • a beam deflection for guiding the beam of the marking laser can take place by a galvano scanner or by providing axle drives for moving the beam source or optics and / or the label.
  • plastic labels to be marked are provided and marked, the plastic labels being provided in an orderly, standardized structural composite, such as a label roll, a label sheet, a label tree, a label card or the like. In this way, a plurality of labels can be marked in succession in an efficient manner.
  • the labels initially provided in a composite structure are separated automatically after marking.
  • individual labels can be detached from the structural composite so that they can be mounted separately from the other labels held on the structural composite.
  • a label card which accepts a plurality of labels in a grid-like manner in rows and columns, individual row parts or column parts can be detached from the structural composite of the label card and mounted.
  • a plurality of labels arranged in a row can be collectively mounted on a terminal block, and these have been separated from a label card.
  • a label card can have labels that have shaped elements and / or clamping elements for form-fitting and / or force-fitting attachment to a conductor or a cable or a hose.
  • a label can e.g. B. have a clip, a hook, an eyelet or the like in order to be fastened positively and / or non-positively to a conductor or a cable or a hose.
  • each individual label has such a form and / or clamping element as an integral component.
  • the plastic labels are arranged in rows and / or columns in the structural composite.
  • the individual labels can be connected to one another by predetermined breaking points or separation points, along which the individual labels can be separated from one another in a simple manner, either manually or automatically.
  • the plastic label has one of the plastics polyamide, polycarbonate, polycarbonate-acrylonitrile-butadiene-styrene, polyethylene terephthalate, polyethylene, polyvinyl chloride or polyefin or the plastic label has one of the plastics polyamide, polycarbonate, polycarbonate Acrylonitrile butadiene styrene, polyethylene terephthalate, polyethylene, Polyvi nylchlorid or polyoefin.
  • any plastic can be used as material for the plastic label that can be discolored by the energy input with the diode laser in order to produce a label.
  • the wavelength of the marking laser is in a range from 375 nm to 2000 nm, with In particular, it can be provided that the wavelength of the marking laser is between 375 nm and 690 nm, further in particular between 690 nm and 2000 nm.
  • the specified marginal areas should be regarded as belonging to the areas.
  • the marking laser can be an edge emitter or a surface emitter.
  • the output of the marking laser can be 0.01 watt - 100 watt. Efficient marking of plastic labels can thus be achieved.
  • the plastic label and a surface of the plastic label to be written on consist of one and the same plastic that is marked directly by the marking laser. Accordingly, the label can be formed in one piece from a solid material.
  • the surface to be inscribed has no carrier film, coating or the like, but is colored directly by the energy input of the marking laser.
  • the plastic label can be a marker that has been formed from a solid material by injection molding and has molded elements and / or clamping elements for attaching to terminals of electrical installations.
  • the plastic label can be a marker that has been formed from a solid material in an injection molding process and has molded elements and / or clamping elements for attaching to conductors, cables or hoses of electrical installations.
  • a plastic label under discussion here can, for example, have a surface to be inscribed with a width of 5 mm or less and a height of 11 mm or less.
  • the invention relates to a device for laser marking plastic labels, with a device for providing a plastic label to be marked, such as an overlay, indentation or the like, with a marking laser, the marking laser being a diode laser having at least one laser diode and wherein the marking laser has no further laser-active medium, such as an active fiber or the like.
  • the device is set up in particular to carry out the method described above.
  • the device enables efficient and inexpensive marking of plastic labels.
  • a further embodiment of the device is characterized by a battery, the marking laser being battery-operated.
  • the device can be battery-operated as a whole.
  • the battery can in particular be a permanently installed or replaceable accumulator.
  • the device can be set up alternatively or in addition to network operation.
  • the device for laser marking can be a mobile device that has a weight of 10 kg or less, in particular a weight of 5 kg or less, and in particular a weight of 2 kg or less.
  • the device can alternatively or additionally be a mobile device, the length, width and height of which are each less than 1 m. It can be provided that the device has a separating device which is set up to separate standardized plastic labels from the structural composite that are provided in an orderly manner in a structural composite.
  • the separation device can be set up to release one or more plastic labels, which are held in rows and columns on a sheet of labels or a label card, for example, from the structural composite in order to form a separate unit that can be mounted on a terminal block, for example.
  • 1A shows the provision of a plastic label to be marked
  • FIG. 1B shows the provision of a marking laser and the marking of the plastic label from FIG. 1A;
  • a plastic label 2 to be marked is provided.
  • several plastic labels 2 to be marked are provided, which are provided as a label card 4 in an orderly, standardized structural composite.
  • predetermined breaking points are formed in order to simplify the separation of the labels 2 after the labeling.
  • a marking laser 8 is provided in order to write on the label card 4.
  • the marking laser 8 is a diode laser which has a laser diode and which has no further laser-active medium, such as an active fiber or the like.
  • the label card 4 is guided past the marking laser 8 in the draw-in movement indicated by the directional arrow with the aid of a draw-in 10 and inscribed or marked.
  • the label card 4 consists of a single plastic, of which the surface 12 of the respective plastic labels 2 to be labeled is also made.
  • the marking or labeling takes place in that the plastic of the plastic labels 2 is discolored by the energy input of the marking laser 8. After the marking, the labels 2 are automatically separated using a singling device 14.
  • the device 16 for laser marking shown in FIG. 1B which comprises the marking laser 8, the feeder 10 and the separating device 14, is a battery-operated device 16 which is supplied with energy using the battery 18 which is also integrated.
  • FIG. IC three exemplary variants are shown, which illustrate a separation of the card 4 into individual labels 2 along the horizontal and vertical predetermined breaking lines 6.

Abstract

L'invention concerne un procédé pour le marquage au laser d'étiquettes en plastique, comprenant les étapes de procédé consistant à : - fournir au moins une étiquette en plastique (2) à marquer ; - fournir un laser de marquage (8), - le laser de marquage (8) étant un laser à diode (8) présentant au moins une diode laser et - le laser de marquage (8) ne présentant pas d'autre milieu actif, tel qu'une fibre active ou similaire ; - marquer l'étiquette en plastique (2) par marquage au laser au moyen du laser de marquage.
EP20706445.2A 2019-02-22 2020-02-19 Procédé et dispositif pour le marquage au laser d'étiquettes en plastique Pending EP3927557A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019202435.1A DE102019202435A1 (de) 2019-02-22 2019-02-22 Verfahren und vorrichtung zum lasermarkieren von kunststoffetiketten
PCT/EP2020/054314 WO2020169646A1 (fr) 2019-02-22 2020-02-19 Procédé et dispositif pour le marquage au laser d'étiquettes en plastique

Publications (1)

Publication Number Publication Date
EP3927557A1 true EP3927557A1 (fr) 2021-12-29

Family

ID=69645961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20706445.2A Pending EP3927557A1 (fr) 2019-02-22 2020-02-19 Procédé et dispositif pour le marquage au laser d'étiquettes en plastique

Country Status (5)

Country Link
US (1) US20220144000A1 (fr)
EP (1) EP3927557A1 (fr)
CN (1) CN113423582A (fr)
DE (1) DE102019202435A1 (fr)
WO (1) WO2020169646A1 (fr)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6160835A (en) * 1998-03-20 2000-12-12 Rocky Mountain Instrument Co. Hand-held marker with dual output laser
GB0024190D0 (en) * 2000-10-03 2000-11-15 Lenthall Mark Label dispenser
MX2007016296A (es) * 2005-08-29 2008-03-05 Sinclair Systems International Llc Medios marcables con luz, multicapa y metodo y aparato para usar los mismos.
DE102006062269A1 (de) * 2006-12-22 2008-06-26 Eckart Gmbh & Co. Kg Verwendung von sphärischen Metallpartikeln als Lasermarkierungs- oder Laserschweißbarkeitsmittel sowie lasermarkierbarer und/oder laserschweißbarer Kunststoff
GB0806858D0 (en) * 2008-04-16 2008-05-14 Catchpoint Ltd labelling apparatus and method
US20100040836A1 (en) * 2008-08-12 2010-02-18 Shenping Li Method for providing sub-surface marks in polymeric materials
WO2010087327A1 (fr) * 2009-01-27 2010-08-05 静岡県 Procédé de marquage au laser
DE102009006994A1 (de) * 2009-01-31 2010-08-12 Phoenix Contact Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung von Markierungsschildern
JP2013505154A (ja) * 2009-09-23 2013-02-14 テトラ ラバル ホールデイングス エ フイナンス ソシエテ アノニム レーザーマーキングを施すための方法及びレーザーマーキングシステム
US8911658B2 (en) * 2012-04-18 2014-12-16 Advalue Photonics, Inc. Laser marking of polymer materials
CN104995033B (zh) * 2013-02-13 2017-10-13 王子控股株式会社 热敏记录体
US8988477B2 (en) * 2013-05-17 2015-03-24 Coherent, Inc. Laser label-printer
ITBO20130359A1 (it) * 2013-07-10 2015-01-11 Mac & Label Trade S R L Un apparato per il trattamento di rispettivi prodotti, in particolare per etichettare detti prodotti.
DE102013113328A1 (de) * 2013-12-02 2015-06-03 Phoenix Contact Gmbh & Co. Kg Schildstreifen mit mehreren bedruckbaren Kennzeichnungsschildern und Magazin zum Einführen von Schildstreifen in eine Druckvorrichtung
CH709774A2 (de) * 2014-06-05 2015-12-15 Blumer Maschb Ag Etikettenband sowie Verfahren zu seiner Herstellung.
US20190351640A1 (en) * 2015-06-23 2019-11-21 Ccl Label, Inc. Method and article related to manufacturing and shrink sleeve labels with butt seam closure
DE102016100722B4 (de) * 2016-01-18 2022-03-03 Phoenix Contact Gmbh & Co. Kg Verfahren zum Bestücken einer Tragschiene mit elektrischen Geräten
US10696440B2 (en) * 2016-03-24 2020-06-30 Labelpac Incorporated Labeller and method of using the same
DE102017111523A1 (de) * 2017-05-26 2018-11-29 Weidmüller Interface GmbH & Co. KG Verfahren und Vorrichtung zum Markieren von Reihenklemmen

Also Published As

Publication number Publication date
CN113423582A (zh) 2021-09-21
WO2020169646A1 (fr) 2020-08-27
DE102019202435A1 (de) 2020-08-27
US20220144000A1 (en) 2022-05-12

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