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EP1387809A1 - Device for accommodating a supply roll around which web strips are wound, particularly a label supply roll - Google Patents

Device for accommodating a supply roll around which web strips are wound, particularly a label supply roll

Info

Publication number
EP1387809A1
EP1387809A1 EP02737996A EP02737996A EP1387809A1 EP 1387809 A1 EP1387809 A1 EP 1387809A1 EP 02737996 A EP02737996 A EP 02737996A EP 02737996 A EP02737996 A EP 02737996A EP 1387809 A1 EP1387809 A1 EP 1387809A1
Authority
EP
European Patent Office
Prior art keywords
supply roll
receiving core
receiving
holding
core
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
EP02737996A
Other languages
German (de)
French (fr)
Other versions
EP1387809B1 (en
Inventor
Manfred Korthäuer
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.)
Espera Werke GmbH
Original Assignee
Espera Werke 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 Espera Werke GmbH filed Critical Espera Werke GmbH
Publication of EP1387809A1 publication Critical patent/EP1387809A1/en
Application granted granted Critical
Publication of EP1387809B1 publication Critical patent/EP1387809B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B65H23/0326—Controlling transverse register of web by moving the unwinding device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1865—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip
    • B65C9/1869—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip and being transferred directly from the backing strip onto the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/04—Supporting web roll cantilever type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/248—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by actuator movable in axial direction
    • B65H75/2484—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages expansion caused by actuator movable in axial direction movable actuator including wedge-like or lobed member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/415—Unwinding
    • B65H2301/41505—Preparing unwinding process
    • B65H2301/41508—Preparing unwinding process the web roll being in the unwinding support / unwinding location
    • B65H2301/415085—Preparing unwinding process the web roll being in the unwinding support / unwinding location by adjusting / registering the lateral position of the web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/415—Unwinding
    • B65H2301/4152—Finishing unwinding process
    • B65H2301/41524—Detecting trailing edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/192—Labels

Definitions

  • the invention relates to a device for receiving a supply roll having a wound strip of tape, in particular a label supply roll, with a take-up core, a holding device by means of which the supply roll can be releasably locked and / or releasably clamped on the take-up core, and a device for axially aligning the supply roll.
  • the invention relates to a device for printing a strip of tape or of labels adhering to a strip of tape, in which the strip of tape is unwound from a supply roll and fed to a printing unit, the supply roll being held by a take-up device of the aforementioned type.
  • Printers as are usually used in the field of price labeling, contain, among other things, a receiving device for the receipt roll (supply roll), which is a strip of tape with or without labels adhering to it, a printing unit and a paper winder, and, if appropriate, an assembly for the use of thermal transfer film.
  • the printing unit is usually provided with an opening mechanism. State of the art is to open the printing unit by deliberately actuating an actuator to the receipt roll with or without Insert or change labels. To insert the receipt roll, it is placed on an associated receiving device and, if necessary, fixed there. A certain initial length of the receipt roll (supply roll), which is a strip of tape with or without labels adhering to it, a printing unit and a paper winder, and, if appropriate, an assembly for the use of thermal transfer film.
  • the printing unit is usually provided with an opening mechanism. State of the art is to open the printing unit by deliberately actuating an actuator to the receipt roll with or without Insert or change labels. To insert the receipt roll, it is placed on an associated receiving
  • the strip of tape forming the receipt roll is passed through the printing unit and, if necessary, fastened on a winding device.
  • a mechanism may be included on the device which
  • the object of the present invention is to provide a device of the type mentioned at the outset in which the fastening and alignment of a supply roll is possible in a convenient manner.
  • the invention thus essentially consists in that the holding device fixing the supply roll and the device for axial alignment of the supply roll can be actuated by a common drive.
  • a strip of tape wound up into a supply roll can thus be easily and conveniently attached and aligned on the mandrel-like receiving core.
  • the holding device and the device for the axial alignment of the supply roll are preferably actuated automatically.
  • a signal which effects the automatic actuation of the holding device and the device for the axial alignment of the supply roll can be generated in various ways. According to an advantageous embodiment, it is provided that this signal is generated by means of a measuring device which detaches a new supply roll from the mandrel-like receiving core core and / or the insertion or threading of a tape strip start in a guide assigned to the tape strip.
  • This measuring device can preferably have a switch, a probe element, a magnetic sensor and / or a light barrier.
  • the signal which effects the automatic actuation of the holding device and the device for the axial alignment of the supply roll can also be generated by means of a sensor, switch or feeler element assigned to a winding device.
  • At least the receiving core is designed to be exchangeable. This configuration enables the use of different receiving cores with different outside diameters, so that a matching receiving core can be used depending on the core diameter of the respective supply roll.
  • 1 is a schematic representation of a device for printing a strip of tape
  • FIG. 2 shows a schematic sectional illustration of a receiving device for receiving a supply roll
  • FIG. 3 is an enlarged view of a section of FIG. 2,
  • FIG. 4 shows a schematic illustration of a second exemplary embodiment of a holding device according to the invention
  • FIG. 5 shows a schematic illustration of a third exemplary embodiment of a holding device according to the invention
  • Fig. 6 is a schematic representation of a fourth embodiment of a holding device according to the invention.
  • the tape strip 1 shows a printer for printing labels 2 adhering to a carrier tape strip 1.
  • the tape strip 1 is unwound from a supply roll 3 and fed to a printing unit 4.
  • the printing unit 4 consists of a printing head 5 and a printing roller 6.
  • the printing head 5 presses the labels against the printing roller 6 with sufficient force and prints them, for example, in thermal or thermal transfer processes.
  • the pressure roller 6 can be driven by a stepper motor (not shown).
  • a relatively sharp deflection in the form of a dispensing edge 7 is provided in the tape running direction behind the printing unit, on which the printed labels are detached from the carrier tape strip 1 in a manner known per se and removed through an opening in the housing of the printer and applied to an object to be marked or marked can be.
  • a deflection roller with a small diameter can also be used. After the deflection, the carrier tape strip 1 is wound on the dispensing edge 7 on a winding device 9 driven by a stepping motor 8.
  • the print head 5 of the printing unit 4 is fastened to a movably mounted plate 10, on which coil springs 11, which are supported on the side of the print head 5, engage on fixed bearings.
  • a movably mounted plate 10 On the other side of the plate 10 there is an eccentrically mounted circular disk 12 which can be rotated by a stepper motor 13. Due to the spring action, the print head 5 is moved away from the print roller 6 when the eccentrically mounted circular disc 12 rotates, so that the print head 5 is at a sufficiently large distance from the print roller 6 to carry the tape strip 1 with it to be able to easily pass the labels 2 adhering to it through the printing unit 4.
  • the supply roll 3 is attached to a receiving device 14, which has a mandrel-like receiving core, a holding device by means of which the supply roll 3 can be releasably locked and / or releasably clamped on the receiving core, and a device for axially aligning the supply roll 3.
  • a possible embodiment of the receiving device is shown schematically in FIG. 2.
  • the supply roll 3 is partially indicated by dash-dotted lines. It is attached to a mandrel-like receiving core 15, which is rotatably mounted on an axially displaceable adjusting axis 16.
  • the actuating axis 16 is mounted in a sleeve-shaped slide bearing 17 which is held in a recess in a base plate 18 in a rotationally fixed manner.
  • the sleeve-shaped slide bearing 17 has a reduced-diameter section 19 on which a support 20 in the form of a rotationally symmetrical body is rotatably mounted.
  • the rotationally symmetrical support 20 is arranged with axial play relative to the base plate 18.
  • the support 20 is also provided with an annular contact disk 21, which serves for the axial guidance or alignment of the supply roll 3.
  • the support 20 has a sleeve-shaped section 22, on which a stop element 23 which is connected to the receiving core 15 in a rotationally fixed but axially releasable manner is axially displaceably mounted.
  • the stop element 23 is designed in the form of an annular disk and is connected to the receiving core 15 in a rotationally fixed manner, for example by a parallel key 48.
  • the stop element 23 and the receiving core 15 firmly connected to it are supported on the rotatably mounted support 20 by means of elastic springs 24.
  • a plurality of openings are formed, distributed uniformly over its circumference, into each of which at least one radially displaceable holding element 25 is used, which is elastically prestressed towards the inside of the receiving core 15 by means of helical springs 26.
  • the holding elements 25 have inclined inner sides 27 which abut a conical sleeve 29 which is rotatably mounted on the actuating axis 16 by means of roller bearings 28.
  • the receiving core 15, including the holding elements 25 inserted therein and the helical springs 26 connected to it, can be exchanged for another receiving core with a smaller or larger outside diameter.
  • the holding elements 25 are secured against falling out by a corresponding shaping.
  • the receiving core 15 can thus be withdrawn from the conical sleeve 29 together with the holding elements 25 and the springs 26 mounted in it.
  • the holding elements are pressed radially outward against the spring force of the spring 26 via the conical sleeve 29.
  • the attachment is carried out in the opposite way, since the holding elements 25 have a shoulder slope. When reattaching, it is only necessary to ensure that the feather key 48 of the stop element 23 engages again in the receiving core 15.
  • the axially displaceable actuating axis 16 is part of a common drive of the holding device which clamps the supply roll 3 on the receiving core 15 and the device for axially aligning the supply roll 3 into its intended position.
  • a schematically illustrated linear drive 30 is provided for the axial displacement of the actuating axis 16.
  • another suitable drive can also be used.
  • the actuating axis 16 can be provided with a toothed rack section into which a gearwheel driven by an electric motor engages.
  • a further advantageous possibility consists in attaching a spindle nut to one end of the actuating axis 16, which nut engages with a spindle attached directly to a motor shaft.
  • the holding device by means of which the supply roll 3 can be releasably clamped on the receiving core 15, and the device for axially aligning the supply roll 3 into its intended position are actuated automatically as a function of a signal.
  • the signal which causes the automatic actuation of the holding device and the device for the axial alignment of the supply roll 3 is generated in the exemplary embodiment shown by means of a measuring and control device 31 which detects the beginning of the strip 1 (cf. FIG. 1).
  • the measuring and control device 31 has a light barrier which comprises a light-emitting transmitter diode 32 and a receive diode 33 assigned to it.
  • the receiving diode 33 no longer receives the light emitted by the transmitter diode 32, whereupon a control signal is generated in the measuring and control device 31, which is transmitted via signal lines 34, 35 to those of the eccentrically mounted Circular disc 12 associated stepper motor 13 and the common drive of the holding device and the device for the axial alignment of the supply roll 3 is guided.
  • This control signal causes the actuator connected to the actuating axis 16 to move it axially, so that the conical sleeve 29, which is rotatably mounted thereon, is displaced in the direction of the fixed base plate 18 by a small amount of a few millimeters.
  • the retaining elements 25 abutting the conical sleeve 29 are displaced radially outward, so that the supply roll 3 is clamped onto the receiving core 15.
  • the supply roll 3 of the radial Moving the holding elements 25 opposes a certain resistance, the supply roll 3 is pulled in its intended position and thus axially aligned with continued axial displacement of the actuating axis 16 in the direction of the base plate 18.
  • the displacement of the actuating axis 16 is then stopped. This can be done by means of the contact disk 21 and / or the interruption switch (not shown) associated with the stop element 23, which cause a current cut-off. Alternatively, the displacement of the actuating axis can advantageously be stopped by means of a time control.
  • the measuring and control device 31 also detects the end of the tape strip 1 wound on the supply roll 3. If the end of the carrier tape strip 1 passes the area of the light barrier, the receiving diode 33 receives the light emitted by the transmitter diode 32, whereupon a control signal is generated in the measuring and control device 31, which is sent via the signal lines 34, 35 to the stepper motor 13 and the the holding device and the device for the axial alignment of the supply roll 3 associated drive is directed.
  • This control signal causes the print head 5 to be opened and the actuating axis 16 with the conical sleeve 29 to be moved away from the base plate 18 by a certain amount.
  • the receiving core 15 are axially displaced with respect to the contact disk 21 and the holding elements 25 arranged in the receiving core 15 are moved radially inward so that the empty roller core 36 of the supply roll 3 is no longer clamped to the receiving core 15 and can therefore be easily removed from it.
  • the automatic actuation of the holding device and the device for the axial alignment of the supply roll 3 can also take place in the following manner.
  • the full supply roll 3 (receipt roll) is arranged on the take-up core 15
  • the tape strip 1 is guided through the opened printing unit 4 and then threaded into the winding device 9.
  • a mechanism (not shown) for simplified removal of the strip strip 1 later wound up is reset to its starting position, a sensor assigned to the winding device 9 being actuated in the end position.
  • the signal from the sensor means that the full supply roll 3 is automatically tensioned and axially aligned on the take-up core 15.
  • the printing unit 4 is also closed automatically and finally the tape strip 1 is advanced so far that the first label 2 is in the printing position.
  • the holding elements 25 can also be designed differently and can be moved radially outward by means other than a conical sleeve.
  • a plurality of holding elements 25 are each provided with a pin 49 or pin, the pins 49 or pin each engage in arcuate grooves 50 or openings which are distributed substantially uniformly, spirally in one rotatably mounted circular disk 51 are formed.
  • Radial guides (not shown) are assigned to the holding elements 25. By rotating the circular disk 51, the holding elements 25 can be moved radially outwards or, in the opposite direction of rotation, radially inwards.

Landscapes

  • Labeling Devices (AREA)
  • Unwinding Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)

Abstract

The invention relates to a device for accommodating a supply roll (3) around which web strips are wound, particularly a label supply roll. Said device comprises a mandrel-like accommodating core (15), a retaining device by means of which the supply roll can, in a temporary manner, be stopped and/or clamped on the accommodating core, and comprises a device for axially aligning the supply roll. In order to be able to comfortably fix and align a supply roll in an easy manner, the invention provides that the retaining device that fixes the supply roll and the device provided for axially aligning the supply roll can be actuated by a shared drive (30, 16). The actuation preferably ensues automatically.

Description

Vorrichtung zur Aufnahme einer einen aufgewickelten Bandstreifen aufweisenden Vorratsrolle, insbesondere einer Device for receiving a supply roll having a wound strip of tape, in particular one
EtikettenvorratsrolleLabel supply roll
Die Erfindung betrifft eine Vorrichtung zur Aufnahme einer einen aufgewickelten Bandstreifen aufweisenden Vorratsrolle, insbesondere einer Etikettenvorratsrolle, mit einem Aufnahmekern, einer Haltevorrichtung, mittels der die Vorratsrolle auf dem Aufnahmekern lösbar arretierbar und/oder lösbar festklemmbar ist, und einer Vorrichtung zur axialen Ausrichtung der Vorratsrolle. Insbesondere betrifft die Erfindung eine Vorrichtung zum Bedrucken eines Bandstreifens oder von auf einem Bandstreifen haftenden Etiketten, bei der der Bandstreifen von einer Vorratsrolle abgewickelt und einem Druckwerk zugeführt wird, wobei die Vorratsrolle von einer Aufnahmevorrichtung der vorgenannten Art gehalten wird.The invention relates to a device for receiving a supply roll having a wound strip of tape, in particular a label supply roll, with a take-up core, a holding device by means of which the supply roll can be releasably locked and / or releasably clamped on the take-up core, and a device for axially aligning the supply roll. In particular, the invention relates to a device for printing a strip of tape or of labels adhering to a strip of tape, in which the strip of tape is unwound from a supply roll and fed to a printing unit, the supply roll being held by a take-up device of the aforementioned type.
Eine solche AufnähmeVorrichtung ist in der auf die Anmelderin zurückgehenden, nicht vorveröffentlichten deutschen Patentanmeldung 101 09 882.0 beschrieben.Such a recording device is described in the non-prepublished German patent application 101 09 882.0, which goes back to the applicant.
Drucker, wie sie üblicherweise im Bereich der Preisauszeichnung verwendet werden, enthalten unter anderem eine Aufnahmevorrich- tung für die Bonrolle (Vorratsrolle) , bei der es sich um einen Bandstreifen mit oder ohne daran haftenden Etiketten handelt, ein Druckwerk und eine Papieraufwickelvorrichtung sowie gegebenenfalls eine Baugruppe zur Nutzung von Thermotransfer-Folie . Um das Einlegen der jeweiligen Bonrolle möglichst einfach zu gestalten, ist das Druckwerk üblicherweise mit einem Öffnungsmechanismus versehen. Stand der Technik ist es, das Druckwerk durch bewußte Betätigung eines Aktors zu öffnen, um die Bonrolle mit oder ohne Etiketten einzulegen bzw. zu wechseln. Zum Einlegen der Bonrolle wird diese auf eine zugeordnete Aufnahmevorrichtung gesteckt und dort gegebenenfalls fixiert. Eine bestimmte Anfangslänge des diePrinters, as are usually used in the field of price labeling, contain, among other things, a receiving device for the receipt roll (supply roll), which is a strip of tape with or without labels adhering to it, a printing unit and a paper winder, and, if appropriate, an assembly for the use of thermal transfer film. In order to make the insertion of the respective receipt roll as simple as possible, the printing unit is usually provided with an opening mechanism. State of the art is to open the printing unit by deliberately actuating an actuator to the receipt roll with or without Insert or change labels. To insert the receipt roll, it is placed on an associated receiving device and, if necessary, fixed there. A certain initial length of the
Bonrolle bildenden Bandstreifens wird durch das Druckwerk geführt und gegebenenfalls auf einer Aufwickelvorrichtung befestigt. DieThe strip of tape forming the receipt roll is passed through the printing unit and, if necessary, fastened on a winding device. The
Auf ickelVorrichtung kann einen Mechanismus enthalten, der dieA mechanism may be included on the device which
Abnahme des dort aufgewickelten Bandstreifens vereinfacht. Bevor der Druckvorgang beginnen kann, muß das Druckwerk geschlossen werden.Removal of the tape strip wound there simplified. The printer must be closed before printing can begin.
Aufgabe der vorliegenden Erfindung ist es, eine Vorrichtung der eingangs genannten Art zu schaffen, bei der das Befestigen sowie Ausrichten einer Vorratsrolle in komfortabler Weise möglich ist.The object of the present invention is to provide a device of the type mentioned at the outset in which the fastening and alignment of a supply roll is possible in a convenient manner.
Diese Aufgabe wird durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 gelöst. Bevorzugte und vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a device with the features of claim 1. Preferred and advantageous embodiments of the invention are specified in the subclaims.
Die Erfindung besteht somit im wesentlichen darin, daß die die Vorratsrolle fixierende Haltevorrichtung und die Vorrichtung zur axialen Ausrichtung der Vorratsrolle durch einen gemeinsamen Antrieb betätigbar sind.The invention thus essentially consists in that the holding device fixing the supply roll and the device for axial alignment of the supply roll can be actuated by a common drive.
Mit der erfindungsgemäßen Vorrichtung kann somit ein zu einer Vorratsrolle aufgewickelter Bandstreifen einfach und komfortabel auf dem dornartigen Aufnahmekern befestigt und ausgerichtet werden.With the device according to the invention, a strip of tape wound up into a supply roll can thus be easily and conveniently attached and aligned on the mandrel-like receiving core.
Vorzugsweise werden die Haltevorrichtung und die Vorrichtung zur axialen Ausrichtung der Vorratsrolle automatisch betätigt.The holding device and the device for the axial alignment of the supply roll are preferably actuated automatically.
Ein Signal, welches die automatische Betätigung der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle bewirkt, kann auf verschiedene Weise erzeugt werden. Nach einer vorteilhaften Aus ührungsform ist vorgesehen, daß dieses Signal mittels einer Meßvorrichtung erzeugt wird, die das Aufstecken einer neuen Vorratsrolle auf den dornartigen Aufnahmekern kern und/oder das Einlegen bzw. Einfädeln eines Bandstreifenanfangs in eine dem Bandstreifen zugeordneten Führung erfaßt. Diese Meßvorrichtung kann dabei vorzugsweise einen Schalter, ein Tastelement, einen magnetischen Sensor und/oder eine Lichtschranke aufweisen.A signal which effects the automatic actuation of the holding device and the device for the axial alignment of the supply roll can be generated in various ways. According to an advantageous embodiment, it is provided that this signal is generated by means of a measuring device which detaches a new supply roll from the mandrel-like receiving core core and / or the insertion or threading of a tape strip start in a guide assigned to the tape strip. This measuring device can preferably have a switch, a probe element, a magnetic sensor and / or a light barrier.
Nach einer anderen vorteilhaften Ausführungsform kann das Signal, welches die automatische Betätigung der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle bewirkt, auch mittels eines einer Aufwickelvorrichtung zugeordneten Sensors, Schalters oder Tastelements erzeugt werden.According to another advantageous embodiment, the signal which effects the automatic actuation of the holding device and the device for the axial alignment of the supply roll can also be generated by means of a sensor, switch or feeler element assigned to a winding device.
Eine weitere bevorzugte Ausgestaltung der erfindungsgemäßen Vorrichtung besteht darin, daß zumindest der Aufnahmekern auswechselbar ausgebildet ist. Diese Ausgestaltung ermöglicht den Einsatz verschiedener Aufnahmekerne mit unterschiedlichen Außendurchmessern, so daß je nach dem Kerndurchmesser der jeweiligen Vorratsrolle ein dazu passender Aufnahmekern eingesetzt werden kann.Another preferred embodiment of the device according to the invention is that at least the receiving core is designed to be exchangeable. This configuration enables the use of different receiving cores with different outside diameters, so that a matching receiving core can be used depending on the core diameter of the respective supply roll.
Nachfolgend wird die Erfindung anhand einer mehrere Ausführungs- beispiele darstellenden Zeichnung näher erläutert. Es zeigen:The invention is explained in more detail below on the basis of a drawing showing several exemplary embodiments. Show it:
Fig. 1 eine schematische Darstellung einer Vorrichtung zum Bedrucken eines Bandstreifens,1 is a schematic representation of a device for printing a strip of tape,
Fig. 2 eine schematische Schnittdarstellung einer Aufnahmevorrichtung zur Aufnahme einer Vorratsrolle,2 shows a schematic sectional illustration of a receiving device for receiving a supply roll,
Fig. 3 eine vergrößerte Darstellung eines Ausschnittes der Fig. 2,3 is an enlarged view of a section of FIG. 2,
Fig. 4 eine schematische Darstellung eines zweiten Ausführungs- beispiels einer erfindungsgemäßen Haltevorrichtung,4 shows a schematic illustration of a second exemplary embodiment of a holding device according to the invention,
Fig. 5 eine schematische Darstellung eines dritten Ausführungs- beispiels einer erfindungsgemäßen Haltevorrichtung, und Fig. 6 eine schematische Darstellung eines vierten Ausführungsbeispiels einer erfindungsgemäßen Haltevorrichtung.5 shows a schematic illustration of a third exemplary embodiment of a holding device according to the invention, and Fig. 6 is a schematic representation of a fourth embodiment of a holding device according to the invention.
In Fig. 1 ist ein Drucker zum Bedrucken von auf einem Trägerbandstreifen 1 haftenden Etiketten 2 dargestellt. Der Bandstreifen 1 wird von einer Vorratsrolle 3 abgewickelt und einem Druckwerk 4 zugeführt . Das Druckwerk 4 besteht aus einem Druckkopf 5 und einer Druckwalze 6. Der Druckkopf 5 preßt die Etiketten mit einer hinreichenden Kraft gegen die Druckwalze 6 und bedruckt sie beispielsweise im Thermo- oder im Thermotransferverfahren. Alternativ ist es auch möglich, die Druckwalze 6 beweglich zu lagern, derart, daß sie zum Druckkopf 5 hin und von diesem weg bewegbar ist und in der dem Druckkopf 5 zugestellten Stellung die Etiketten 2 mit hinreichender Kraft gegen den Druckkopf 5 preßt. Die Druckwalze 6 kann durch einen Schrittmotor (nicht gezeigt) angetrieben sein. In Bandlaufrichtung hinter dem Druckwerk ist eine relativ scharfe Umlenkung in Form einer Spendekante 7 vorgesehen, an der die bedruckten Etiketten in an sich bekannter Weise vom Trägerbandstreifen 1 abgelöst und durch eine Öffnung im Gehäuse des Druckers entnommen und auf einen zu kennzeichnenden bzw. auszuzeichnenden Gegenstand aufgebracht werden können. Anstelle der Spendekante 7 kann auch eine einen kleinen Durchmesser aufweisende Umlenkrolle eingesetzt werden. Der Trägerbandstreifen 1 wird nach der Umlenkung an der Spendekante 7 auf einer von einem Schrittmotor 8 angetriebenen Aufwickelvorrichtung 9 aufgewickelt .1 shows a printer for printing labels 2 adhering to a carrier tape strip 1. The tape strip 1 is unwound from a supply roll 3 and fed to a printing unit 4. The printing unit 4 consists of a printing head 5 and a printing roller 6. The printing head 5 presses the labels against the printing roller 6 with sufficient force and prints them, for example, in thermal or thermal transfer processes. Alternatively, it is also possible to mount the printing roller 6 such that it can be moved towards and away from the print head 5 and, in the position delivered to the print head 5, presses the labels 2 against the print head 5 with sufficient force. The pressure roller 6 can be driven by a stepper motor (not shown). A relatively sharp deflection in the form of a dispensing edge 7 is provided in the tape running direction behind the printing unit, on which the printed labels are detached from the carrier tape strip 1 in a manner known per se and removed through an opening in the housing of the printer and applied to an object to be marked or marked can be. Instead of the dispensing edge 7, a deflection roller with a small diameter can also be used. After the deflection, the carrier tape strip 1 is wound on the dispensing edge 7 on a winding device 9 driven by a stepping motor 8.
Der Druckkopf 5 des Druckwerkes 4 ist an einer beweglich gelagerten Platte 10 befestigt, an der auf Seiten des Druckkopfes 5 an Festlagern abgestützte Schraubenfedern 11 angreifen. An der anderen Seite der Platte 10 liegt eine exzentrisch gelagerte Kreisscheibe 12 an, die durch einen Schrittmotor 13 drehbar ist. Aufgrund der Federwirkung wird der Druckkopf 5 bei Drehung der exzentrisch gelagerten Kreisscheibe 12 von der Druckwalze 6 wegbewegt, so daß der Druckkopf 5 gegenüber der Druckwalze 6 einen ausreichend großen Abstand einnimmt, um den Bandstreifen 1 mit den daran anhaftenden Etiketten 2 bequem durch das Druckwerk 4 hindurchführen zu können.The print head 5 of the printing unit 4 is fastened to a movably mounted plate 10, on which coil springs 11, which are supported on the side of the print head 5, engage on fixed bearings. On the other side of the plate 10 there is an eccentrically mounted circular disk 12 which can be rotated by a stepper motor 13. Due to the spring action, the print head 5 is moved away from the print roller 6 when the eccentrically mounted circular disc 12 rotates, so that the print head 5 is at a sufficiently large distance from the print roller 6 to carry the tape strip 1 with it to be able to easily pass the labels 2 adhering to it through the printing unit 4.
Die Vorratsrolle 3 ist auf einer Aufnahmevorrichtung 14 aufgesteckt, die einen dornartigen Aufnahmekern, eine Haltevorrichtung, mittels der die Vorratsrolle 3 auf dem Aufnahmekern lösbar arretierbar und/oder lösbar festklemmbar ist, und eine Vorrichtung zur axialen Ausrichtung der Vorratsrolle 3 aufweist . Eine mögliche Ausgestaltung der Aufnahmevorrichtung ist in Fig. 2 schematisch dargestellt.The supply roll 3 is attached to a receiving device 14, which has a mandrel-like receiving core, a holding device by means of which the supply roll 3 can be releasably locked and / or releasably clamped on the receiving core, and a device for axially aligning the supply roll 3. A possible embodiment of the receiving device is shown schematically in FIG. 2.
Die Vorratsrolle 3 ist teilweise durch strichpunktierte Linien angedeutet. Sie ist auf einen dornartigen Aufnahmekern 15 aufgesteckt, der drehbar auf einer axial verschiebbaren Stellachse 16 gelagert ist. Die Stellachse 16 ist in einem hülsenförmigen Gleitlager 17 gelagert, das drehfest in einer Ausnehmung einer Grundplatte 18 gehalten ist. Das hülsenförmige Gleitlager 17 weist einen durchmesserreduzierten Abschnitt 19 auf, auf dem eine Abstützung 20 in Form eines rotationssymmetrischen Körpers drehbar gelagert ist. Die rotationssymmetrische Abstützung 20 ist mit axialem Spiel zur Grundplatte 18 angeordnet. Die Abstützung 20 ist ferner mit einer ringförmigen Kontaktscheibe 21 versehen, die der axialen Führung bzw. Ausrichtung der Vorratsrolle 3 dient .The supply roll 3 is partially indicated by dash-dotted lines. It is attached to a mandrel-like receiving core 15, which is rotatably mounted on an axially displaceable adjusting axis 16. The actuating axis 16 is mounted in a sleeve-shaped slide bearing 17 which is held in a recess in a base plate 18 in a rotationally fixed manner. The sleeve-shaped slide bearing 17 has a reduced-diameter section 19 on which a support 20 in the form of a rotationally symmetrical body is rotatably mounted. The rotationally symmetrical support 20 is arranged with axial play relative to the base plate 18. The support 20 is also provided with an annular contact disk 21, which serves for the axial guidance or alignment of the supply roll 3.
Die Abstützung 20 weist einen hülsenförmigen Abschnitt 22 auf, auf dem ein mit dem Aufnahmekern 15 drehfest, aber axial lösbar verbundenes Anschlagelement 23 axial verschiebbar gelagert ist. Das Anschlagelement 23 ist in dem dargestellten Ausführungsbei- spiel ringscheibenförmig ausgebildet und mit dem Aufnahmekern 15 beispielsweise durch eine Paßfeder 48 drehfest verbunden. Das Anschlagelement 23 und der damit fest verbundene Aufnahmekern 15 sind an der drehbar gelagerten Abstützung 20 mittels elastischer Federn 24 abgestützt.The support 20 has a sleeve-shaped section 22, on which a stop element 23 which is connected to the receiving core 15 in a rotationally fixed but axially releasable manner is axially displaceably mounted. In the exemplary embodiment shown, the stop element 23 is designed in the form of an annular disk and is connected to the receiving core 15 in a rotationally fixed manner, for example by a parallel key 48. The stop element 23 and the receiving core 15 firmly connected to it are supported on the rotatably mounted support 20 by means of elastic springs 24.
In dem Aufnahmekern 15 sind mehrere gleichmäßig über seinen Umfang verteilt angeordnete Öffnungen ausgebildet, in die jeweils mindestens ein radial verschiebbares Halteelement 25 eingesetzt ist, das jeweils mittels Schraubenfedern 26 zum Innern des Auf- nahmekernes 15 hin elastisch vorgespannt ist. Die Halteelemente 25 weisen schräg verlaufende Innenseiten 27 auf, die an einer konisch ausgebildeten, auf der Stellachse 16 mittels Wälzlagern 28 drehbar gelagerten Hülse 29 anliegen.In the receiving core 15, a plurality of openings are formed, distributed uniformly over its circumference, into each of which at least one radially displaceable holding element 25 is used, which is elastically prestressed towards the inside of the receiving core 15 by means of helical springs 26. The holding elements 25 have inclined inner sides 27 which abut a conical sleeve 29 which is rotatably mounted on the actuating axis 16 by means of roller bearings 28.
Der Aufnahmekern 15 kann einschließlich der darin eingesetzten Halteelemente 25 sowie der damit verbundenen Schraubenfedern 26 gegen einen anderen Aufnahmekern mit kleinerem oder größerem Außendurchmesser ausgewechselt werden. In dem Aufnahmekern 15 sind die Halteelemente 25 durch eine entsprechende Formgebung gegen Herausfallen gesichert .The receiving core 15, including the holding elements 25 inserted therein and the helical springs 26 connected to it, can be exchanged for another receiving core with a smaller or larger outside diameter. In the receiving core 15, the holding elements 25 are secured against falling out by a corresponding shaping.
Der Aufnahmekern 15 kann somit zusammen mit den in ihm gelagerten Halteelementen 25 und den Federn 26 von der konischen Hülse 29 abgezogen werden. Dabei werden die Halteelemente gegen die Federkraft der Feder 26 radial über die konische Hülse 29 nach außen gedrückt .The receiving core 15 can thus be withdrawn from the conical sleeve 29 together with the holding elements 25 and the springs 26 mounted in it. The holding elements are pressed radially outward against the spring force of the spring 26 via the conical sleeve 29.
Das Wiederaufsetzen gelingt auf umgekehrtem Wege, da die Halte- elemente 25 eine Ansatzschräge aufweisen. Beim Wiederaufsetzen ist lediglich darauf zu achten, daß die Paßfeder 48 des Anschlagelementes 23 wieder im Aufnahmekern 15 einrastet.The attachment is carried out in the opposite way, since the holding elements 25 have a shoulder slope. When reattaching, it is only necessary to ensure that the feather key 48 of the stop element 23 engages again in the receiving core 15.
Die axial verschiebbare Stellachse 16 ist Teil eines gemeinsamen Antriebes der die Vorratsrolle 3 auf dem Aufnahmekern 15 festklemmenden Haltevorrichtung sowie der Vorrichtung zur axialen Ausrichtung der Vorratsrolle 3 in ihre bestimmungsgemäße Position. In dem gezeigten Ausführungsbeispiel ist zur axialen Verschiebung der Stellachse 16 ein schematisch dargestellter Linearantrieb 30 vorgesehen. Anstelle eines solchen Linearantriebes kann auch ein anderer geeigneter Antrieb Verwendung finden. Beispielsweise kann die Stellachse 16 mit einem Zahnstangenabschnitt versehen sein, in das ein von einem Elektromotor angetriebenes Zahnrad eingreift. Alternativ ist es auch möglich, die Stellachse 16 mit einem Schraubengewinde- bzw. Schneckenge- windeabschnitt zu versehen, der mit einem fest angeordneten, drehbar gelagerten, innen- und außenverzahnten Zahnrad kämmt, das an seiner Außenverzahnung mit einem von einem Elektromotor angetriebenen Zahnrad in Eingriff steht. Eine weitere vorteilhafte Möglichkeit besteht darin, an dem einen Ende der Stellachse 16 eine Spindelmutter zu befestigen, die mit einer direkt an einer Motorwelle befestigten Spindel in Eingriff steht.The axially displaceable actuating axis 16 is part of a common drive of the holding device which clamps the supply roll 3 on the receiving core 15 and the device for axially aligning the supply roll 3 into its intended position. In the exemplary embodiment shown, a schematically illustrated linear drive 30 is provided for the axial displacement of the actuating axis 16. Instead of such a linear drive, another suitable drive can also be used. For example, the actuating axis 16 can be provided with a toothed rack section into which a gearwheel driven by an electric motor engages. Alternatively, it is also possible to adjust the actuating axis 16 with a screw thread or worm gear. to provide a winch section which meshes with a fixedly arranged, rotatably mounted, internally and externally toothed gearwheel which engages on its outer toothing with a gearwheel driven by an electric motor. A further advantageous possibility consists in attaching a spindle nut to one end of the actuating axis 16, which nut engages with a spindle attached directly to a motor shaft.
Die Haltevorrichtung, mittels der die Vorratsrolle 3 auf dem Aufnahmekern 15 lösbar festklemmbar ist, und die Vorrichtung zur axialen Ausrichtung der Vorratsrolle 3 in ihre bestimmungsgemäße Position werden in Abhängigkeit eines Signals automatisch betätigt. Das Signal, welches die automatische Betätigung der Haltevorrichtung sowie der Vorrichtung zur axialen Ausrichtung der Vorratsrolle 3 bewirkt, wird in dem dargestellten Ausführungsbeispiel mittels einer den Anfang des Bandstreifens 1 erfassenden Meß- und Steuervorrichtung 31 erzeugt (vgl. Fig. 1) . Die Meß- und Steuervorrichtung 31 weist hierzu eine Lichtschranke auf, die eine lichtemittierende Senderdiode 32 und eine dieser zugeordnete Empfangsdiode 33 umfaßt. Passiert der Anfang des Trägerbandstreifens 1 den Bereich der Lichtschranke, so empfängt die Empfangsdiode 33 nicht mehr das von der Senderdiode 32 abgestrahlte Licht, worauf in der Meß- und Steuervorrichtung 31 ein Steuersignal erzeugt wird, das über Signalleitungen 34, 35 an den der exzentrisch gelagerten Kreisscheibe 12 zugeordneten Schrittmotor 13 sowie den gemeinsamen Antrieb der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle 3 geleitet wird.The holding device, by means of which the supply roll 3 can be releasably clamped on the receiving core 15, and the device for axially aligning the supply roll 3 into its intended position are actuated automatically as a function of a signal. The signal which causes the automatic actuation of the holding device and the device for the axial alignment of the supply roll 3 is generated in the exemplary embodiment shown by means of a measuring and control device 31 which detects the beginning of the strip 1 (cf. FIG. 1). For this purpose, the measuring and control device 31 has a light barrier which comprises a light-emitting transmitter diode 32 and a receive diode 33 assigned to it. If the beginning of the carrier tape strip 1 passes the area of the light barrier, then the receiving diode 33 no longer receives the light emitted by the transmitter diode 32, whereupon a control signal is generated in the measuring and control device 31, which is transmitted via signal lines 34, 35 to those of the eccentrically mounted Circular disc 12 associated stepper motor 13 and the common drive of the holding device and the device for the axial alignment of the supply roll 3 is guided.
Dieses Steuersignal bewirkt, daß der mit der Stellachse 16 verbundene Antrieb diese axial verschiebt, so daß die darauf drehbar gelagerte, konisch ausgebildete Hülse 29 in Richtung der feststehenden Grundplatte 18 um einen geringen Betrag von einigen Millimetern verschoben wird. Dabei werden zunächst die an der konischen Hülse 29 anliegenden Halteelemente 25 radial nach außen verschoben, so daß die Vorratsrolle 3 auf dem Aufnahmekern 15 festgespannt wird. Sobald die Vorratsrolle 3 der radialen Ver- Schiebung der Halteelemente 25 einen gewissen Widerstand entgegensetzt, wird die Vorratsrolle 3 bei fortgesetzter axialer Verschiebung der Stellachse 16 in Richtung der Grundplatte 18 in ihre bestimmungsgemäße Position gezogen und somit axial ausgerichtet. Die Verschiebung der Stellachse 16 wird dann gestoppt. Dies kann mittels der Kontaktscheibe 21 und/oder dem Anschlagelement 23 zugeordnete Unterbrechungsschalter (nicht gezeigt) erfolgen, die eine Stromabschaltung bewirken. Alternativ kann die Verschiebung der Stellachse in vorteilhaf er Weise auch mittels einer Zeitsteuerung gestoppt werden.This control signal causes the actuator connected to the actuating axis 16 to move it axially, so that the conical sleeve 29, which is rotatably mounted thereon, is displaced in the direction of the fixed base plate 18 by a small amount of a few millimeters. First of all, the retaining elements 25 abutting the conical sleeve 29 are displaced radially outward, so that the supply roll 3 is clamped onto the receiving core 15. As soon as the supply roll 3 of the radial Moving the holding elements 25 opposes a certain resistance, the supply roll 3 is pulled in its intended position and thus axially aligned with continued axial displacement of the actuating axis 16 in the direction of the base plate 18. The displacement of the actuating axis 16 is then stopped. This can be done by means of the contact disk 21 and / or the interruption switch (not shown) associated with the stop element 23, which cause a current cut-off. Alternatively, the displacement of the actuating axis can advantageously be stopped by means of a time control.
Darüber hinaus wird mit der Meß- und Steuervorrichtung 31 auch das Ende des auf der Vorratsrolle 3 aufgewickelten Bandstreifens 1 erfaßt. Passiert das Ende des Trägerbandstreifens 1 den Bereich der Lichtschranke, so empfängt die Empfangsdiode 33 das von der Senderdiode 32 abgestrahlte Licht, worauf in der Meß- und Steuervorrichtung 31 ein Steuersignal erzeugt wird, das über die Signalleitungen 34, 35 an den Schrittmotor 13 und den der Haltevorrichtung sowie der Vorrichtung zur axialen Ausrichtung der Vorratsrolle 3 zugeordneten Antrieb geleitet wird. Dieses Steuersignal bewirkt, daß der Druckkopf 5 geöffnet wird und die Stellachse 16 mit der konischen Hülse 29 um einen bestimmten Betrag von der Grundplatte 18 weggerichtet verschoben wird. Aufgrund der Wirkung der Federn 24, 26 werden dabei der Aufnahmekern 15 gegenüber der KontaktScheibe 21 axial verschoben und die in dem Aufnahmekern 15 angeordneten Halteelemente 25 radial nach innen bewegt, so daß der leere Rollenkern 36 der Vorratsrolle 3 nicht mehr mit dem Aufnahmekern 15 verspannt ist und somit problemlos von diesem abgenommen werden kann.In addition, the measuring and control device 31 also detects the end of the tape strip 1 wound on the supply roll 3. If the end of the carrier tape strip 1 passes the area of the light barrier, the receiving diode 33 receives the light emitted by the transmitter diode 32, whereupon a control signal is generated in the measuring and control device 31, which is sent via the signal lines 34, 35 to the stepper motor 13 and the the holding device and the device for the axial alignment of the supply roll 3 associated drive is directed. This control signal causes the print head 5 to be opened and the actuating axis 16 with the conical sleeve 29 to be moved away from the base plate 18 by a certain amount. Due to the action of the springs 24, 26, the receiving core 15 are axially displaced with respect to the contact disk 21 and the holding elements 25 arranged in the receiving core 15 are moved radially inward so that the empty roller core 36 of the supply roll 3 is no longer clamped to the receiving core 15 and can therefore be easily removed from it.
Alternativ kann die automatische Betätigung der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle 3 auch in folgender Weise erfolgen. Nachdem die volle Vorratsrolle 3 (Bonrolle) auf dem Aufnahmekern 15 angeordnet ist, wird der Bandstreifen 1 durch das geöffnete Druckwerk 4 geführt und anschließend in die AufwiekelVorrichtung 9 eingefädelt. Sodann wird ein Mechanismus (nicht gezeigt) zur vereinfachten Abnahme des später aufgewickelten Bandstreifens 1 in seine Ausgangslage zurückgesetzt, wobei in der Endlage ein der AufWickelvorrichtung 9 zugeordneter Sensor betätigt wird. Das Signal des Sensors führt dazu, daß die volle Vorratsrolle 3 auf dem Aufnahmekern 15 automatisch gespannt und axial ausgerichtet wird. Danach wird das Druckwerk 4 ebenfalls automatisch geschlossen und abschließend der Bandstreifen 1 soweit vortransportiert, daß das erste Etikett 2 in Druckposition steht.Alternatively, the automatic actuation of the holding device and the device for the axial alignment of the supply roll 3 can also take place in the following manner. After the full supply roll 3 (receipt roll) is arranged on the take-up core 15, the tape strip 1 is guided through the opened printing unit 4 and then threaded into the winding device 9. Then a mechanism (not shown) for simplified removal of the strip strip 1 later wound up is reset to its starting position, a sensor assigned to the winding device 9 being actuated in the end position. The signal from the sensor means that the full supply roll 3 is automatically tensioned and axially aligned on the take-up core 15. Then the printing unit 4 is also closed automatically and finally the tape strip 1 is advanced so far that the first label 2 is in the printing position.
Damit bei diesem Transportvorgang keine Etiketten 2 vorgespendet werden, empfiehlt es sich, auf der Länge vom Druckkopf 5 bis zur Aufwickelvorrichtung 9 die Etiketten vorher von dem Bandstreifen 1 zu entfernen. Eine Markierung auf dem Druckwerk 4 bzw. Druckergehäuse verdeutlicht dies dem Bediener.So that no labels 2 are pre-dispensed during this transport process, it is advisable to remove the labels from the tape strip 1 beforehand along the length from the print head 5 to the winding device 9. A marking on the printing unit 4 or printer housing makes this clear to the operator.
Die Erfindung ist in ihrer Ausführung nicht auf die vorstehend beschriebenen Ausfuhrungsbeispiele beschränkt. Vielmehr sind noch verschiedene Varianten denkbar, die von dem in den Ansprüchen wiedergegebenen Erfindungsgedanken mitumfaßt sind. So können die Halteelemente 25 beispielsweise auch anders ausgeführt werden und durch andere Mittel als durch eine konische Hülse radial nach außen bewegt werden. In Fig. 4 ist ein Ausführungsbeispiel gezeigt, bei dem mehrere Halteelemente 25 jeweils mit einem Stift 49 oder Zapfen versehen sind, wobei die Stifte 49 bzw. Zapfen jeweils in bogenförmig ausgebildete Nuten 50 oder Öffnungen eingreifen, die im wesentlichen gleichmäßig verteilt, spiralartig in einer drehbar gelagerten Kreisscheibe 51 ausgebildet sind. Den Halteelementen 25 sind jeweils radiale Führungen (nicht gezeigt) zugeordnet. Durch Verdrehen der Kreisscheibe 51 können die Halteelemente 25 radial nach außen bzw. bei umgekehrter Drehrichtung radial nach innen bewegt werden.The embodiment of the invention is not limited to the exemplary embodiments described above. Rather, different variants are also conceivable, which are also encompassed by the inventive idea set out in the claims. For example, the holding elements 25 can also be designed differently and can be moved radially outward by means other than a conical sleeve. In Fig. 4 an embodiment is shown, in which a plurality of holding elements 25 are each provided with a pin 49 or pin, the pins 49 or pin each engage in arcuate grooves 50 or openings which are distributed substantially uniformly, spirally in one rotatably mounted circular disk 51 are formed. Radial guides (not shown) are assigned to the holding elements 25. By rotating the circular disk 51, the holding elements 25 can be moved radially outwards or, in the opposite direction of rotation, radially inwards.
Alternativ ist es auch möglich, die Halteelemente 25 nach Art eines Kniehebels 52 auszubilden (vgl. Fig. 5) oder sie an zwei diametral gegenüberliegenden Gelenken eines Schwenkgelenkes 53 zu befestigen (vgl. Fig. 6), um sie mit einer auf dem Aufnahmekern aufgesteckten Bonrolle zu verspannen. Die in der Beschreibung und in den Patentansprüchen angegebenen sowie aus der Zeichnung ersichtlichen Merkmale können sowohl einzeln als auch in verschiedenen Kombinationen für die Verwirklichung der vorliegenden Erfindung wesentlich sein. Alternatively, it is also possible to design the holding elements 25 in the manner of a toggle lever 52 (see FIG. 5) or to attach them to two diametrically opposite joints of a swivel joint 53 (see FIG. 6) in order to attach them to the receiving core Tension receipt roll. The features specified in the description and in the patent claims and apparent from the drawing can be essential both individually and in various combinations for realizing the present invention.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Bandstreifen1 strip of tape
2 Etiketten2 labels
3 Vorratsrolle3 supply roll
4 Druckwerk4 printing unit
5 Druckkopf5 printhead
6 Druckwalze6 pressure roller
7 Spendekante7 dispensing edge
Schrittmotorstepper motor
Auf ickelvorrichtung 0 Platte 1 Schraubenfedern 2 Kreisscheibe 3 Schrittmotor 4 Aufnahmevorrichtung 5 Aufnahmekern 6 Stellachse 7 Gleitlager 8 Grundplatte 9 Gleitlagerabschnitt 0 Abstützung 1 Kontaktscheibe 2 hulsenformiger Abschnitt 3 Anschlagelement 4 Schraubenfeder 5 Halteelement 6 Schraubenfeder 7 schräg verlaufende Halteelementseite 8 Wälzlager 9 konische Hülse 0 Linearantrieb 1 Meß- und Steuervorrichtung SenderdiodeOn ickel device 0 plate 1 coil springs 2 circular disc 3 stepper motor 4 mounting device 5 mounting core 6 adjusting axis 7 slide bearing 8 base plate 9 slide bearing section 0 support 1 contact washer 2 sleeve-shaped section 3 stop element 4 coil spring 5 holding element 6 coil spring 7 inclined holding element side 8 roller bearing 9 conical sleeve 0 linear drive 1 measurement - And control device transmitter diode
Empfangsdiodereceiver diode
Signalleitungsignal line
Signalleitungsignal line
Rollenkernroll core
Signalleitungsignal line
Paßfederadjusting spring
Stiftpen
Nutgroove
Kreisscheibedisc
Kniehebeltoggle
Scherengelenk scissor joint

Claims

Patentansprüche claims
1. Vorrichtung zur Aufnahme einer einen aufgewickelten Bandstreifen aufweisenden Vorratsrolle, insbesondere einer Etikettenvorratsrolle, mit einem Aufnahmekern (15) , einer Haltevorrichtung, mittels derer die Vorratsrolle (3) auf dem Aufnahmekern (15) lösbar arretierbar und/oder lösbar festklemmbar ist, und einer Vorrichtung zur axialen Ausrichtung der Vorratsrolle (3) , g e k e n n z e i c h n e t d u r c h einen Antrieb (30, 16) zur Betätigung der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle (3) , welcher der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle (3) gemeinsam zugeordnet ist.1. Device for receiving a supply roll having a wound strip of tape, in particular a label supply roll, with a receiving core (15), a holding device by means of which the supply roll (3) can be releasably locked and / or releasably clamped on the receiving core (15), and one Device for axially aligning the supply roll (3), characterized by a drive (30, 16) for actuating the holding device and the device for axially aligning the supply roll (3), which is assigned to the holding device and the device for axially aligning the supply roll (3) is.
2. Vorrichtung nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß zumindest der Aufnahmekern (15) auswechselbar ausgebildet ist.2. Device according to claim 1, d a d u r c h g e k e n n z e i c h n e t that at least the receiving core (15) is designed to be replaceable.
3. Vorrichtung nach Anspruch 1 oder 2 , d a d u r c h g e k e n n z e i c h n e t , daß der gemeinsame Antrieb (30, 16) der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle (3) eine axial verschiebbare Stellachse (16) umfaßt, auf der der Aufnahmekern (15) drehbar gelagert ist.3. Device according to claim 1 or 2, characterized in that the common drive (30, 16) of the holding device and the device for the axial alignment of the supply roll (3) comprises an axially displaceable actuating axis (16) on which the receiving core (15) is rotatable is stored.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, d a d u r c h g e k e n n z e i c h n e t , daß die Haltevorrichtung ein oder mehrere gleichmäßig über den Umfang des Aufnahmekernes (15) verteilt angeordnete Halteelemente (25) aufweist, die im Aufnahmekern (15) ausgebildete Öffnungen jeweils mit Spiel durchdringen und zum Inneren des Aufnahmekernes (15) hin elastisch vorgespannt sind. 4. Device according to one of claims 1 to 3, characterized in that the holding device has one or more evenly distributed over the circumference of the receiving core (15) arranged holding elements (25) which penetrate openings formed in the receiving core (15) with play and to Inside of the receiving core (15) are elastically biased.
5. Vorrichtung nach den Ansprüchen 3 und 4, d a d u r c h g e k e n n z e i c h n e t , daß die Halteelemente (25) schräg verlaufende Innenseiten (27) aufweisen, die an einer konisch ausgebildeten, auf der Stellachse (16) drehbar gelagerten Hülse (29) anliegen.5. Device according to claims 3 and 4, d a d u r c h g e k e n n z e i c h n e t that the holding elements (25) have inclined inner sides (27) which bear against a conical sleeve (29) rotatably mounted on the actuating axis (16).
6. Vorrichtung nach einem der Ansprüche 1 bis 5, d a d u r c h g e k e n n z e i c h n e t , daß die Vorrichtung zur axialen Ausrichtung der Vorratsrolle (3) eine koaxial zum Aufnahmekern (15) drehbar gelagerte Abstützung (20) aufweist, an der der Aufnahmekern (15) mittels mindestens einer elastischen Feder (24) abgestützt ist.6. Device according to one of claims 1 to 5, characterized in that the device for the axial alignment of the supply roll (3) has a coaxial to the receiving core (15) rotatably mounted support (20) on which the receiving core (15) by means of at least one elastic Spring (24) is supported.
7. Vorrichtung nach Anspruch 6, d a d u r c h g e k e n n z e i c h n e t , daß die Abstützung (20) drehbar auf der Stellachse (16) gelagert ist.7. The device according to claim 6, d a d u r c h g e k e n n z e i c h n e t that the support (20) is rotatably mounted on the actuating axis (16).
8. Vorrichtung nach Anspruch 6 oder 7, d a d u r c h g e k e n n z e i c h n e t , daß die Abstützung (20) einen hülsenförmigen Abschnitt (22) aufweist, auf dem ein mit dem Aufnahmekern (15) verbundenes Anschlagelement (23) axial verschiebbar gelagert ist.8. The device according to claim 6 or 7, so that the support (20) has a sleeve-shaped section (22) on which a stop element (23) connected to the receiving core (15) is axially displaceably mounted.
9. Vorrichtung nach einem der Ansprüche 6 bis 8, d a d u r c h g e k e n n z e i c h n e t , daß die Abstützung (20) mit einer Kontaktscheibe (21) versehen ist.9. Device according to one of claims 6 to 8, that the support (20) is provided with a contact washer (21).
10. Vorrichtung nach einem der Ansprüche 6 bis 9, d a d u r c h g e k e n n z e i c h n e t , daß die Abstützung (20) auf einem hülsenförmigen Gleitlager (17) drehbar gelagert ist, das drehfest in einer Ausnehmung einer Grundplatte (18) gehalten ist.10. The device according to one of claims 6 to 9, that the support (20) is rotatably mounted on a sleeve-shaped slide bearing (17) which is held in a recess in a base plate (18) in a rotationally fixed manner.
11. Vorrichtung nach den Ansprüchen 3 und 10, d a d u r c h g e k e n n z e i c h n e t , daß die Stellachse (16) axial verschiebbar in dem Gleitlager (17) gelagert ist. 11. Device according to claims 3 and 10, characterized in that the actuating axis (16) is axially displaceably mounted in the slide bearing (17).
12. Vorrichtung nach einem der Ansprüche 1 bis 11, d a d u r c h g e k e n n z e i c h n e t , daß die Haltevorrichtung und die Vorrichtung zur axialen Ausrichtung der Vorratsrolle (3) automatisch betätigt werden.12. The device according to one of claims 1 to 11, that the holding device and the device for the axial alignment of the supply roll (3) are actuated automatically.
13. Vorrichtung nach Anspruch 12, d a d u r c h g e k e n n z e i c h n e t, daß ein Signal, welches die automatische Betätigung der Haltevorrichtung und der Vorrichtung zur axialen Ausrichtung der Vorratsrolle (3) bewirkt, mittels eines einer13. The apparatus of claim 12, d a d u r c h g e k e n n z e i c h n e t that a signal which causes the automatic actuation of the holding device and the device for the axial alignment of the supply roll (3) by means of a
Auf ickelVorrichtung (9) zugeordneten Sensors, Schalters oder Tastelements erzeugt wird.Is generated on ickelDevice (9) associated sensor, switch or probe.
14. Vorrichtung zum Bedrucken eines Bandstreifens oder von auf einem Bandstreifen (1) haftenden Etiketten (2) , bei der der Bandstreifen (1) von einer Vorratsrolle (3) abgewickelt und einem Druckwerk (4) zugeführt wird, wobei die Vorratsrolle (3) von einer Aufnahmevorrichtung (14) gehalten wird, d a d u r c h g e k e n n z e i c h n e t , daß die Aufnahmevorrichtung (14) gemäß einem der Ansprüche 1 bis 13 ausgebildet ist . 14. Device for printing a tape strip or labels (2) adhering to a tape strip (1), in which the tape strip (1) is unwound from a supply roll (3) and fed to a printing unit (4), the supply roll (3) is held by a receiving device (14), characterized in that the receiving device (14) is designed according to one of claims 1 to 13.
EP02737996A 2001-05-17 2002-04-25 Device for accommodating a supply roll around which web strips are wound, particularly a label supply roll Expired - Lifetime EP1387809B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10125761A DE10125761B4 (en) 2001-05-17 2001-05-17 Apparatus for receiving a supply roll having a wound tape strip, in particular a label supply roll and apparatus for printing a tape strip or labels adhering to a tape strip
DE10125761 2001-05-17
PCT/EP2002/004563 WO2002092482A1 (en) 2001-05-17 2002-04-25 Device for accommodating a supply roll around which web strips are wound, particularly a label supply roll

Publications (2)

Publication Number Publication Date
EP1387809A1 true EP1387809A1 (en) 2004-02-11
EP1387809B1 EP1387809B1 (en) 2006-07-12

Family

ID=7686281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02737996A Expired - Lifetime EP1387809B1 (en) 2001-05-17 2002-04-25 Device for accommodating a supply roll around which web strips are wound, particularly a label supply roll

Country Status (10)

Country Link
US (1) US7175128B2 (en)
EP (1) EP1387809B1 (en)
CN (1) CN1321867C (en)
AT (1) ATE332864T1 (en)
CA (1) CA2421849C (en)
DE (2) DE10125761B4 (en)
DK (1) DK1387809T3 (en)
ES (1) ES2268045T3 (en)
PL (1) PL199823B1 (en)
WO (1) WO2002092482A1 (en)

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Also Published As

Publication number Publication date
CA2421849A1 (en) 2003-03-10
CN1321867C (en) 2007-06-20
ATE332864T1 (en) 2006-08-15
US20040011915A1 (en) 2004-01-22
CA2421849C (en) 2009-12-22
DE10125761A1 (en) 2002-11-28
DE50207503D1 (en) 2006-08-24
CN1527789A (en) 2004-09-08
DK1387809T3 (en) 2006-11-13
PL360739A1 (en) 2004-09-20
ES2268045T3 (en) 2007-03-16
WO2002092482A1 (en) 2002-11-21
US7175128B2 (en) 2007-02-13
EP1387809B1 (en) 2006-07-12
DE10125761B4 (en) 2007-06-06
PL199823B1 (en) 2008-11-28

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