EP1035976A1 - Device with a mark-holder hopper for stamping distinguishing marks on moving parts - Google Patents

Device with a mark-holder hopper for stamping distinguishing marks on moving parts

Info

Publication number
EP1035976A1
EP1035976A1 EP98959666A EP98959666A EP1035976A1 EP 1035976 A1 EP1035976 A1 EP 1035976A1 EP 98959666 A EP98959666 A EP 98959666A EP 98959666 A EP98959666 A EP 98959666A EP 1035976 A1 EP1035976 A1 EP 1035976A1
Authority
EP
European Patent Office
Prior art keywords
character
carrier
magazine
wheel
carriers
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Withdrawn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
EP98959666A
Other languages
German (de)
French (fr)
Inventor
Bruno Berger
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.)
Seeber Engineering GmbH
Original Assignee
Seeber Engineering 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 Seeber Engineering GmbH filed Critical Seeber Engineering GmbH
Publication of EP1035976A1 publication Critical patent/EP1035976A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0004—Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
    • B44B5/0009—Rotating embossing tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5152—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism
    • Y10T29/5154—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism tool turret
    • Y10T29/5155—Rotary tool holder

Definitions

  • the invention relates to a device for marking parts moving in the direction of travel of a roller table with at least one character carrier which bears a character, this character carrier being used interchangeably on the circumference of an embossing wheel.
  • DD-PS 27 177 Devices for marking parts (DD-PS 27 177) are known in which the stamp characters of a stamp character set are arranged in an exchangeable cassette which is detachably inserted into the stamp wheel, so that only a new cassette with the prepared stamp character set is used for changing the stamp character set got to.
  • changing individual stamp characters of a character set is not possible here. With such a device, the ever increasing requirements with regard to production speed and automation can no longer be met.
  • the invention is therefore based on the object to provide a device for marking moving parts in the direction of a roller table, in which a rapid, automatic change of essentially whole sets of character carriers is possible, but each character carrier is changed individually, whereby this Change process in terms of production speed runs quickly and is essentially automatic.
  • This device enables the rapid, automatic change of entire sets of character carriers attached to the circumference of an embossing wheel, by exchanging each character carrier to be changed individually for a preselected character carrier of a character carrier magazine.
  • the character carriers can be clamped in the receptacles of the embossing wheel by clamping pieces, and the clamping pieces by springs in one Recess of the character carriers can be clamped.
  • the character carriers in the receptacles of the Prague wheel are secured against shifting during the stamping process and the positioning of the Prague wheel in the change position
  • the clamped drawing carriers can be released by loosening pins engaging the clamping pieces in bores running essentially axially parallel on the circumference of the Prague wheel, thereby creating the prerequisites for moving the drawing carriers into the drawing magazine
  • the at least one character carrier magazine is wheel-shaped and rotatable about its axis, and character carriers are attached to the circumference of the at least one wheel-shaped character carrier magazine, which are displaceable in the radial direction.
  • the pins are carried by a linearly guided slide and can be moved into the interior of the at least one wheel-shaped drawing magazine
  • the character carriers in the character carrier magazine can be held in place against displacement inwards or outwards by an inner annular projection or an outer ring guide, so that the character carriers in the character carrier magazine both against a movement directed into the interior of the character carrier magazine and also are secured against a movement caused by the centrifugal force and directed into the outside space during a turning process
  • FIG. 1 shows a section through part of a device according to the invention with an embossing wheel mounted in an embossing unit and connected, wheel-shaped character magazine, and
  • Fig. 2 shows a section through a character holder with characters in recordings.
  • an embossing wheel 5 which is eccentrically shaped in the embodiment described here and is rotatably mounted in its axis of rotation, can be moved into a radial angular position predetermined for a character carrier changing process, so that a character carrier 1 can be moved from the embossing wheel 5 into a free receptacle 22 provided for this purpose, a character carrier magazine 19 which is wheel-shaped in this exemplary embodiment, and character carriers of this character carrier magazine 19 into free receptacles of the embossing wheel 5.
  • the positioning of the embossing wheel 5 is additionally monitored with an inductive reference switch 6.
  • a plurality of character carriers 1 located radially on the circumference of the embossing wheel 5 are changed simultaneously and automatically.
  • the receptacles for the character carrier 1 are in the exemplary embodiment described here in a character carrier holder 3, which is attached radially in a partial segment on the circumference of the embossing wheel.
  • this character carrier holder 3 which is shown in detail in FIG. 2, there are a plurality of character carriers 1 arranged in a row one after the other with the same or different distances, resulting in an arcuate arrangement of the character carriers 1.
  • This character carrier 1 - it can be different, but also completely or partially the same character carrier - are during the embossing process and during the positioning of the embossing wheel 5 in the change position via clamping pieces 7 located in rectangular slide guides in the character holder 3, which in a recess of Intervene character carrier 1, clamped radially to the axis of symmetry S of the embossing unit 2, in which the embossing wheel 5 is rotatably mounted.
  • the clamping pieces 7 for clamping the character carriers 1 are pressed radially in the direction of the axis of symmetry S of the embossing unit 2 via springs 8 and pressure pins 9.
  • the clamping pieces 7 in the prismatic sliding guides of the character holder 3 must be raised radially to the axis of symmetry S of the embossing unit 2 in the direction of the peripheral edge of the embossing wheel 5 so that the character carrier 1 to be changed is no longer clamped are, and a free displacement of the character carrier 1 parallel to the axis of symmetry of the embossing unit 2 is made possible in the recesses provided in the character holder 3.
  • beveled release pins 13 are inserted at the ends through holes 14 arranged on the circumference of the embossing wheel 5 and parallel to the axis of symmetry S of the embossing unit 2 so far that the clamping pieces 7 are lifted up by the release pins 13 in the direction of the peripheral edge of the embossing wheel 5 become, and a displacement of the character carrier 1 in the character carrier holder 3 parallel to the axis of symmetry S of the embossing unit 2 is possible.
  • the release pins 13 are arranged in an arc shape on a slide 12 fastened on linear guides 11, corresponding to the arcuate arrangement of the clamping pieces 7 in the character carrier holder 3.
  • the retraction of the release pins 13 mounted on the carriage 12 is controlled with compressed air cylinders 10, the number of cylinders 10 used depending on the number of character carriers 1 to be changed.
  • the compressed air cylinders 10 now remain in the last position until the character carriers 1 have been changed.
  • the pins 17, which are arranged in an arc shape on a carriage 16, corresponding to the arrangement of the character carriers 1 in the character carrier holder 3, are offset parallel to the linear guide 18 serving as fastening for the carriage 16 such that the pins 17 are retracted into the interior of the character carrier magazines 19 is made possible, pressed parallel to the axis of symmetry S of the embossing unit 2 with the compressed air cylinder 15 against the character carrier 1.
  • chamfered pins 21 are guided at the tip through further bores arranged in an arc on the circumference of the embossing wheel 5 and running parallel to the axis of symmetry S until they bite against the pins 17 , which secure the character carrier 1 against falling out of the character carrier 3, press.
  • the character carriers 1, which are now secured against rotation due to the clamping by the pins 17 and 21 are guided parallel to the axis of symmetry S of the embossing unit 2 in the direction of the character carrier magazines 19.
  • This radför ⁇ g trained character carrier magazines 19 have a plurality of radial receptacles 22 extending radially to their centers in the periphery, in which various character carriers are contained.
  • the character carrier magazines 19 are in positions in which there is a free receptacle directly opposite a character carrier 1 which is located in the embossing wheel 5. In general, these positions of the carrier magazines 19 correspond to those positions in which the magazines 19 have remained after the last replacement process.
  • the character carriers 1 are now, as described above, moved until they are connected to a radial, annular extension 23 in the respective character carrier. Germagazin 19 are queued so that the character carriers can no longer be moved inwards.
  • the compressed air cylinders 20 are then moved back into their starting positions, which correspond to their upper end positions, whereby a rotary movement of the wheel-shaped drawing magazines 19 is made possible.
  • each character carrier magazine 19 is rotated and positioned to such an extent that a preselected character carrier required for the next marking process is in the direction of the extended position, parallel to the axis of symmetry of the stamping unit 2 in the direction of the character carrier holder 3.
  • the character carriers 1 are secured against falling out via outer ring guides 26.
  • the exact positioning of the character carriers by the rotary movement of the character carrier magazine 19 is additionally checked via monitoring switches 27.
  • the pins 21 controlled by the compressed air cylinder are displaced in such a way that they first press the drawing medium to be moved from the magazine 19 into a receptacle of the embossing wheel 5 against the annular extension 23. Subsequently, the character carriers are clamped together with the pins 21 by moving the pins 17 into the receptacles 22 and thus secured against twisting. By pushing in further, the character carriers are finally inserted into the receptacle provided for this purpose in the character carrier holder 3 of the embossing wheel 5.
  • the compressed air cylinder 10 is moved back into its starting position, whereby the loose pins 13 are moved out of the character holder 3 parallel to the axis of symmetry S.
  • the initially radially towards the circumferential edge of the wheel 5 are pushed up by the loose pins 13 clamping pieces 7 over the springs 8 in the direction of the axis of symmetry S and thus lock the newly inserted character carriers
  • the above-described operations take place simultaneously in the event that several character carriers are changed.
  • the number of wheel-shaped character magazines 19, the pins 13, 17 and 21, and the cylinders 10, 15 and 20 controlling them, the monitoring switch 27 and the surrounding peripheral units results from the number of character carriers 1 located in the character holder 3, this number in turn is determined by the requirements for the character set to be shaped.
  • the entire changing device can be displaced parallel to the symmetry axis of the stamping unit 2 at a 90 ⁇ angle to the radial central axis of the stamping wheel 5 by means of a pushing unit 28 so that both units (changing device and stamping unit) are freely accessible.
  • the entire stamping unit 2 with the stamping wheel 5 can be removed from the change position and brought into a preselected or freely adjustable stamping position.
  • the stamping wheel 5 is accelerated synchronously with the speed of the parts to be marked and at the time of the to be embossed printed against the parts.
  • the process can be repeated one or more times until other character carriers 1 are required and a replacement process as described above is repeated again

Abstract

The invention relates to a device for stamping distinguishing marks on parts moving in the feed direction of a roll line, comprising at least one mark-holder (1) for holding a mark, said mark-holder being removably placed on the circumference of a stamping wheel (5). The inventive device comprises at least one hopper (19) for mark-holders (1). Said hopper (19) for mark-holders and said stamping wheel (5) can be placed relatively to one another, in a position where the mark-holders of the stamping wheel (5) can pass through cavities (22) of the mark-holder hopper (19) and the mark-holders of the mark-holder hopper (19) can pass through cavities of the stamping wheel (5).

Description

VORRICHTUNG MIT EINEM ZEICHENTRAGERMAGAZIN ZUM EINPRÄGEN VON KENNZEICHEN IN SICH BEWEGENDE TEILE DEVICE WITH A CHARACTER CARRIER FOR IMPRESSING LABELS IN MOVING PARTS
Die Erfindung bezieht sich auf eine Vorrichtung zum Kennzeichnen von sich in Laufrichtung eines Rollganges bewegenden Teilen mit zumindest einem Zeichenträger, welcher ein Zeichen trägt, wobei dieser Zeichenträger am Umfang eines Prägerades auswechselbar eingesetzt ist.The invention relates to a device for marking parts moving in the direction of travel of a roller table with at least one character carrier which bears a character, this character carrier being used interchangeably on the circumference of an embossing wheel.
Bekannt sind Vorrichtungen zum Kennzeichnen von Teilen (DD-PS 27 177), bei denen die Stempelzeichen eines Stempelzeichensatzes in einer Wechselkassette angeordnet sind, welche lösbar in das Stempelrad eingesetzt wird, sodaß zum Wechseln des Stempelzeichensatzes lediglich eine neue Kassette mit dem vorbereiteten Stempelzeichensatz eingesetzt werden muß. Ein Wechseln einzelner Stempelzeichen eines Zeichensatzes ist hier allerdings nicht möglich. Auch kann mit einer derartigen Vorrichtung den immer größer werdenden Anforderungen hinsichtlich der Produktionsgeschwindigkeit und Automatisierung nicht mehr genügt werden.Devices for marking parts (DD-PS 27 177) are known in which the stamp characters of a stamp character set are arranged in an exchangeable cassette which is detachably inserted into the stamp wheel, so that only a new cassette with the prepared stamp character set is used for changing the stamp character set got to. However, changing individual stamp characters of a character set is not possible here. With such a device, the ever increasing requirements with regard to production speed and automation can no longer be met.
Der Erfindung liegt somit die Aufgabe zugrunde, eine Vorrichtung zum Kennzeichnen von sich in Laufrichtung eines Rollganges bewegenden Teilen zu schaffen, bei welcher ein rasches, automatisches Wechseln von im wesentlichen ganzen Sätzen von Zeichenträgern möglich ist, wobei allerdings jeder Zeichenträger einzeln gewechselt wird, wobei dieser Wechselvorgang in Hinblick auf die Produktionsgeschwindigkeit rasch abläuft und im wesentlichen automatisch erfolgt.The invention is therefore based on the object to provide a device for marking moving parts in the direction of a roller table, in which a rapid, automatic change of essentially whole sets of character carriers is possible, but each character carrier is changed individually, whereby this Change process in terms of production speed runs quickly and is essentially automatic.
Diese Aufgabe wird ausgehend von einer Vorrichtung der eingangs genannten Art dadurch gelöst, daß erfindungsgemäß zumindest ein Zeichenträgermagazin für Zeichenträger vorhanden ist, und das Zeichenträgermagazin und das Prägerad in eine Relativstellung zueinander bringbar sind, in welcher Zeichenträger des Prägerades in Aufnahmen des Zeichenträgermagazins und Zeichenträger des Zeichenträgermagazins in Aufnahmen des Prägerades unmittelbar überführbar sind.This object is achieved on the basis of a device of the type mentioned at the outset in that, according to the invention, there is at least one character carrier magazine for character carriers, and the character carrier magazine and the embossing wheel can be brought into a relative position to one another, in which character carrier of the embossing wheel in recordings of the character carrier magazine and character carrier of the character carrier magazine can be immediately transferred into images of the embossing wheel.
Diese Vorrichtung ermöglicht das rasche, automatische Wechseln von ganzen Sätzen von am Umfang eines Prägerades angebrachten Zeichenträgern, indem jeder zu wechselnde Zeichenträger einzeln gegen einen vorgewählten Zeichenträger eines Zeichenträgermagazins getauscht wird.This device enables the rapid, automatic change of entire sets of character carriers attached to the circumference of an embossing wheel, by exchanging each character carrier to be changed individually for a preselected character carrier of a character carrier magazine.
Dabei erweist es sich als zweckmäßig, wenn die Zeichenträger durch Klemmstücke in den Aufnahmen des Prägerades verklemmbar sind, und die Klemmstücke durch Federn in einer Ausnehmung der Zeichentrager verklemmbar sind Dadurch sind die Zeichentrager in den Aufnahmen des Pragerades wahrend dem Pragevorgang und dem Positionieren des Pragerades in der Wechselstellung gegen ein Verschieben gesichertIt proves to be expedient if the character carriers can be clamped in the receptacles of the embossing wheel by clamping pieces, and the clamping pieces by springs in one Recess of the character carriers can be clamped. As a result, the character carriers in the receptacles of the Prague wheel are secured against shifting during the stamping process and the positioning of the Prague wheel in the change position
Weiters ist es von Vorteil, wenn durch an den Klemmstucken angreifende Losestifte in am Umfang des Pragerades im wesentlichen achsparallel verlaufende Bohrungen die geklemmten Zeichentrager freigebbar sind, wodurch die Voraussetzung für das Verschieben der Zeichentrager in das Zeichentragermagazin geschaffen wirdFurthermore, it is advantageous if the clamped drawing carriers can be released by loosening pins engaging the clamping pieces in bores running essentially axially parallel on the circumference of the Prague wheel, thereby creating the prerequisites for moving the drawing carriers into the drawing magazine
Zweckmäßig ist es auch, wenn antreibbare Stifte zum Ausschieben von Zeichentragem aus dem Pragerad in eine Aufnahme des Zeichentragermagazins sowie antreibbare Stifte zum Einschieben von Zeichentragem aus dem Zeichentragermagazin in das Prägerad vorgesehen sind, wodurch ein Auswechseln der Zeichentrager aus dem Pragerad gegen solche aus dem Zeichentragermagazin und umgekehrt ermöglicht wirdIt is also expedient if drivable pins for pushing out character carriers from the Prague wheel into a receptacle of the character carrier magazine as well as drivable pins for pushing character carriers out of the character carrier magazine into the embossing wheel are provided, as a result of which the character carriers from the Prague wheel are replaced by those from the character carrier magazine and vice versa
Empfehlenswert ist es auch, wenn das zumindest eine Zeichentragermagazin radfbrmig und um seine Achse verdrehbar ausgebildet ist, und am Umfang des zumindest einen radfbrmigen Zeichentragermagazins Zeichentrager angebracht sind, welche in radialer Richtung verschiebbar sind Damit wird es möglich, daß der zum Wechseln vorgesehene Zeichentrager des Zeichentragermagazins durch Drehen des Zeichentragermagazins in unmittelbarer Nahe der Aufhahmeposition für den Zeichentrager im Pragerad so positioniert wird, daß anschließend der Zeichentrager in die Aufnahme im Pragerad verschoben werden kannIt is also recommended if the at least one character carrier magazine is wheel-shaped and rotatable about its axis, and character carriers are attached to the circumference of the at least one wheel-shaped character carrier magazine, which are displaceable in the radial direction. This makes it possible for the character carrier of the character carrier magazine which is provided for changing by rotating the character carrier magazine in the immediate vicinity of the pick-up position for the character carrier in the Prague wheel so that the character carrier can then be moved into the holder in the Prague wheel
Weiters kann auch noch vorgesehen sein, daß die Stifte von einem linear geführten Schlitten getragen und in das Innere des zumindest einen radfbrmigen Zeichentragermagazins einfahrbar sindFurthermore, it can also be provided that the pins are carried by a linearly guided slide and can be moved into the interior of the at least one wheel-shaped drawing magazine
Schließlich ist es noch zweckmäßig, wenn die Zeichentrager im Zeichentragermagazin gegen ein Verschieben nach innen bzw außen durch einen inneren ringförmigen Ansatz bzw eine äußere Ringführung in ihrer Lage haltbar sind, sodaß die Zeichentrager im Zeichentragermagazin sowohl gegen eine in den Innenraum des Zeichentragermagazins gerichtete Bewegung als auch gegen eine durch die Fliehkraft bewirkte, in den Außenraum gerichtete Bewegung der Zeichentrager wahrend eines Drehvorganges gesichert sindFinally, it is also expedient if the character carriers in the character carrier magazine can be held in place against displacement inwards or outwards by an inner annular projection or an outer ring guide, so that the character carriers in the character carrier magazine both against a movement directed into the interior of the character carrier magazine and also are secured against a movement caused by the centrifugal force and directed into the outside space during a turning process
Im folgenden ist die Erfindung samt einer vorteilhaften Ausführungsform anhand der Zeichnung genauer erläutert Dabei zeigen Fig. 1 einen Schnitt durch einen Teil einer Vorrichtung nach der Erfindung mit einem in einer Prägeeinheit gelagerten Prägerad und angeschlossenem, radformigen Zeichentragermagazin, undThe invention together with an advantageous embodiment is explained in more detail with reference to the drawing Fig. 1 shows a section through part of a device according to the invention with an embossing wheel mounted in an embossing unit and connected, wheel-shaped character magazine, and
Fig. 2 einen Schnitt durch einen Zeichenträgerhalter mit in Aufnahmen befindlichen Zeichentragem.Fig. 2 shows a section through a character holder with characters in recordings.
Wie aus Figur 1 erkennbar, kann mit einem zentrisch oder parallel axial zur Symmetrieachse S der Prägeeinheit 2 angeordneten Drehantrieb 4 ein in der hier beschriebenen Ausführungsform exzentrisch geformtes, in seiner Drehachse drehbar gelagertes Prägerad 5 in eine für einen Zeichenträgerwechselvorgang vorgegebene radiale Winkelstellung bewegt werden, sodaß ein Zeichenträger 1 aus dem Prägerad 5 in eine dafür vorgesehene freie Aufnahme 22 eines in dieser beispielhaften Ausführungsform radförmigen Zeichentragermagazins 19 und Zeichenträger dieses Zeichentragermagazins 19 in freie Aufnahmen des Prägerades 5 verschoben werden können. Die Positionierung des Prägerades 5 wird dabei mit einem induktiven Referenzschalter 6 zusätzlich überwacht.As can be seen from FIG. 1, with a rotary drive 4 arranged centrally or parallel axially to the axis of symmetry S of the embossing unit 2, an embossing wheel 5, which is eccentrically shaped in the embodiment described here and is rotatably mounted in its axis of rotation, can be moved into a radial angular position predetermined for a character carrier changing process, so that a character carrier 1 can be moved from the embossing wheel 5 into a free receptacle 22 provided for this purpose, a character carrier magazine 19 which is wheel-shaped in this exemplary embodiment, and character carriers of this character carrier magazine 19 into free receptacles of the embossing wheel 5. The positioning of the embossing wheel 5 is additionally monitored with an inductive reference switch 6.
In dieser exakt positionierten Stellung werden wie im folgenden beschrieben, mehrere radial am Umfang des Prägerades 5 befindliche Zeichenträger 1 gleichzeitig und automatisch gewechselt. Die Aufnahmen für die Zeichenträger 1 befinden sich dabei in der hier beschriebenen beispielhaften Ausführungsform in einem Zeichenträgerhalter 3, welcher radial in einem Teilsegment am Umfang des Prägerades angebracht ist. In diesem Zeichenträgerhalter 3, welcher in Figur 2 detailliert dargestellt ist, befinden sich mehrere, in einer Reihe hintereinander mit gleichen oder verschiedenen Abständen angeordnete Zeichenträger 1, wodurch sich eine bogenförmige Anordnung der Zeichenträger 1 ergibt. Diese Zeichenträger 1 - es kann sich dabei um verschiedene, aber auch ganz oder teilweise gleiche Zeichenträger handeln - sind während dem Prägevorgang und während der Positionierung des Prägerades 5 in die Wechselposition über in rechteckigen Gleitführungen im Zeichenhalter 3 befindliche Klemmstücke 7, die in eine Ausnehmung der Zeichenträger 1 eingreifen, radial zur Symmetrieachse S der Prägeeinheit 2, in welcher das Prägerad 5 drehbar gelagert ist, geklemmt. Über Federn 8 und Druckstifte 9 werden dabei die Klemmstücke 7 zur Klemmung der Zeichenträger 1 radial in Richtung Symmetrieachse S der Prägeeinheit 2, gedrückt.In this exactly positioned position, as described below, a plurality of character carriers 1 located radially on the circumference of the embossing wheel 5 are changed simultaneously and automatically. The receptacles for the character carrier 1 are in the exemplary embodiment described here in a character carrier holder 3, which is attached radially in a partial segment on the circumference of the embossing wheel. In this character carrier holder 3, which is shown in detail in FIG. 2, there are a plurality of character carriers 1 arranged in a row one after the other with the same or different distances, resulting in an arcuate arrangement of the character carriers 1. This character carrier 1 - it can be different, but also completely or partially the same character carrier - are during the embossing process and during the positioning of the embossing wheel 5 in the change position via clamping pieces 7 located in rectangular slide guides in the character holder 3, which in a recess of Intervene character carrier 1, clamped radially to the axis of symmetry S of the embossing unit 2, in which the embossing wheel 5 is rotatably mounted. The clamping pieces 7 for clamping the character carriers 1 are pressed radially in the direction of the axis of symmetry S of the embossing unit 2 via springs 8 and pressure pins 9.
Nach dem Positionieren des Prägerades 5 in die Zeichenwechselposition müssen zu Beginn des Wechselvorganges die Klemmstücke 7 in den prismatischen Gleitführungen des Zeichenhalters 3 radial zur Symmetrieachse S der Prägeeinheit 2 in Richtung Umfangkante des Prägerades 5 soweit angehoben werden, daß die zu wechselnden Zeichenträger 1 nicht mehr geklemmt sind, und ein freies Verschieben der Zeichenträger 1 parallel zur Symmetrieachse der Prägeeinheit 2 in den dafür vorgesehenen Ausnehmungen im Zeichenhalter 3 ermöglicht wird. Zu diesem Zweck werden an den Enden abgeschrägte Lösestifte 13 durch am Umfang des Prägerades 5 angeordnete, parallel zur Symmetrieachse S der Prägeeinheit 2 verlaufende Bohrungen 14 soweit in den Zeichenträgerhalter 3 eingeschoben, daß die Klemmstücke 7 von den Lösestiften 13 in Richtung Umfangskante des Prägerades 5 hochgehoben werden, und ein Verschieben der Zeichenträger 1 im Zeichenträgerhalter 3 parallel zur Symmetrieachse S der Prägeeinheit 2 möglich wird. Die Lösestifte 13 sind dabei auf einem auf Linearführungen 11 befestigten Schlitten 12 bogenförmig, entsprechend der bogenförmigen Anordnung der Klemmstücke 7 im Zeichenträgerhalter 3, angeordnet. Das Einfahren der auf dem Schlitten 12 angebrachten Lösestifte 13 wird mit Druckluftzylindern 10 gesteuert, wobei die Anzahl der verwendeten Zylinder 10 von der Anzahl der zu wechselnde Zeichenträger 1 abhängt. Die Druckluftzylinder 10 verbleiben nun solange in der zuletzt eingenommenen Position, bis die Zeichenträger 1 gewechselt sind.After positioning the embossing wheel 5 in the character changing position, the clamping pieces 7 in the prismatic sliding guides of the character holder 3 must be raised radially to the axis of symmetry S of the embossing unit 2 in the direction of the peripheral edge of the embossing wheel 5 so that the character carrier 1 to be changed is no longer clamped are, and a free displacement of the character carrier 1 parallel to the axis of symmetry of the embossing unit 2 is made possible in the recesses provided in the character holder 3. For this purpose, beveled release pins 13 are inserted at the ends through holes 14 arranged on the circumference of the embossing wheel 5 and parallel to the axis of symmetry S of the embossing unit 2 so far that the clamping pieces 7 are lifted up by the release pins 13 in the direction of the peripheral edge of the embossing wheel 5 become, and a displacement of the character carrier 1 in the character carrier holder 3 parallel to the axis of symmetry S of the embossing unit 2 is possible. The release pins 13 are arranged in an arc shape on a slide 12 fastened on linear guides 11, corresponding to the arcuate arrangement of the clamping pieces 7 in the character carrier holder 3. The retraction of the release pins 13 mounted on the carriage 12 is controlled with compressed air cylinders 10, the number of cylinders 10 used depending on the number of character carriers 1 to be changed. The compressed air cylinders 10 now remain in the last position until the character carriers 1 have been changed.
Die Zeichenträger 1 , die sich jetzt durch das Anheben der Klemmstücke 7 in einem ungesicherten Zustand befinden, werden gegen ein Herausfallen aus dem Zeichenträgerhalter 3 mittels Stiften 17, welche an den Enden angefast sind, gesichert. Dazu werden die auf einem Schlitten 16 bogenförmig, entsprechend der Anordnung der Zeichenträger 1 im Zeichenträgerhalter 3 angeordneten Stifte 17, die parallel zu der als Befestigung für den Schlitten 16 dienenden Linearführung 18 so versetzt sind, daß ein Einfahren der Stifte 17 in das Innere der Zeichenträgermagazine 19 ermöglicht ist, parallel zur Symmetrieachse S der Prägeeinheit 2 mit dem Druckluftzylinder 15 gegen die Zeichenträger 1 gedrückt.The character carriers 1, which are now in an unsecured state due to the lifting of the clamping pieces 7, are secured against falling out of the character carrier 3 by means of pins 17 which are chamfered at the ends. For this purpose, the pins 17, which are arranged in an arc shape on a carriage 16, corresponding to the arrangement of the character carriers 1 in the character carrier holder 3, are offset parallel to the linear guide 18 serving as fastening for the carriage 16 such that the pins 17 are retracted into the interior of the character carrier magazines 19 is made possible, pressed parallel to the axis of symmetry S of the embossing unit 2 with the compressed air cylinder 15 against the character carrier 1.
Mit Druckluftzylindern 20, deren Anzahl wiederum abhängig von der Anzahl der zu wechselnden Zeichenträger ist, werden an der Spitze angefaste Stifte 21 durch weitere, bogenförmig am Umfang des Prägerades 5 angeordnete, parallel zur Symmetrieachse S verlaufende Bohrungen soweit geführt, bis diese gegen die Stifte 17, welche die Zeichenträger 1 gegen ein Herausfallen aus dem Zeichenträgerhalter 3 sichern, drücken. Durch weiteres Einfahren der Stifte 21 werden die Zeichenträger 1, die jetzt infolge der Klemmung durch die Stifte 17 und 21 gegen eine Verdrehen gesichert sind, parallel zur Symmetrieachse S der Prägeeinheit 2 in Richtung der Zeichenträgermagazine 19 geführt.With compressed air cylinders 20, the number of which in turn depends on the number of character carriers to be changed, chamfered pins 21 are guided at the tip through further bores arranged in an arc on the circumference of the embossing wheel 5 and running parallel to the axis of symmetry S until they bite against the pins 17 , which secure the character carrier 1 against falling out of the character carrier 3, press. By further retracting the pins 21, the character carriers 1, which are now secured against rotation due to the clamping by the pins 17 and 21, are guided parallel to the axis of symmetry S of the embossing unit 2 in the direction of the character carrier magazines 19.
Diese radförπύg ausgebildeten Zeichenträgermagazine 19 verfügen am Umfang über mehrere radial zu ihrem Mittelpunkten verlaufende rechteckige Aufnahmen 22, in denen verschiedene Zeichenträger enthalten sind. Die Zeichenträgermagazine 19 befinden sich in Positionen, in welchen jeweils eine freie Aufnahme unmittelbar gegenüber einem im Prägerad 5 befindlichen, zu wechselnden Zeichenträger 1 hegt. Im allgemeinen entsprechen diesen Positionen der Zeichenträgermagazine 19 jene Positionen, in welchen die Magazine 19 nach dem letzten Auswechselvorgang verblieben sind. Die Zeichenträger 1 werden nun, wie oben beschrieben, soweit verschoben, bis sie an einem radialen, ringförmigen Ansatz 23 im jeweiligen Zeichenträ- germagazin 19 anstehen, sodaß die Zeichentrager nicht mehr weiter nach innen bewegt werden können. Die Druckluftzylinder 20 werden anschließend in ihre Ausgangsstellungen, welche ihren oberen Endlagen entsprechen, zuruckbewegt, wodurch eine Drehbewegung der radfbrmigen Zeichentragermagazine 19 ermöglicht wird.This radförπύg trained character carrier magazines 19 have a plurality of radial receptacles 22 extending radially to their centers in the periphery, in which various character carriers are contained. The character carrier magazines 19 are in positions in which there is a free receptacle directly opposite a character carrier 1 which is located in the embossing wheel 5. In general, these positions of the carrier magazines 19 correspond to those positions in which the magazines 19 have remained after the last replacement process. The character carriers 1 are now, as described above, moved until they are connected to a radial, annular extension 23 in the respective character carrier. Germagazin 19 are queued so that the character carriers can no longer be moved inwards. The compressed air cylinders 20 are then moved back into their starting positions, which correspond to their upper end positions, whereby a rotary movement of the wheel-shaped drawing magazines 19 is made possible.
Über von Zahnriemen 25 angetriebene Zahnrader 24 wird jedes Zeichentragermagazin 19 soweit gedreht und positioniert, daß jeweils ein vorgewählter, für den nächsten Kennzeichnungsvorgang benötigter Zeichentrager in Richtung Ausschiebeposition, parallel zur Symmetrieachse der Prageeinheit 2 in Richtung Zeichentragerhalter 3 steht. Während der Drehbewegung der Zeichentragermagazine 19 werden die Zeichentrager 1 über äußere Ringführungen 26 gegen ein Herausfallen gesichert. Die genaue Positionierung der Zeichentrager durch die Drehbewegung des Zeichentragermagazins 19 wird zusatzlich über Überwachungsschalter 27 kontrolliert.Via gear wheels 24 driven by toothed belts 25, each character carrier magazine 19 is rotated and positioned to such an extent that a preselected character carrier required for the next marking process is in the direction of the extended position, parallel to the axis of symmetry of the stamping unit 2 in the direction of the character carrier holder 3. During the rotational movement of the character carrier magazines 19, the character carriers 1 are secured against falling out via outer ring guides 26. The exact positioning of the character carriers by the rotary movement of the character carrier magazine 19 is additionally checked via monitoring switches 27.
Nach der Positionierung des Zeichentragermagazins 19 in die für den Wechselvorgang notwendige Stellung werden die über den Druckluftzylinder gesteuerten Stifte 21 so verschoben, daß sie den aus dem Magazin 19 in eine Aufiiahme des Prägerades 5 zu verschiebenden Zeichenträger vorerst gegen den ringförmigen Ansatz 23 drücken. Anschließend werden die Zeichentrager durc Einfahren der Stifte 17 in die Aufnahmen 22 gemeinsam mit den Stiften 21 geklemmt und somit gegen ein Verdrehen gesichert. Durch weiteres Einschieben werden die Zeichentrager schließlich in die dafür vorgesehene Aufnahme im Zeichenträgerhalter 3 des Prägerades 5 eingeführt. Der Druckluftzylinder 10 wird in seine Ausgangsposition zurückbewegt, wodurch die Losestifte 13 parallel zur Symmetrieachse S aus dem Zeichentragerhalter 3 bewegt werden. Das hat zur Folge, daß die vorerst radial in Richtung Umfangkante des Pragerades 5 von den losestiften 13 hochgedrückten Klemmstucke 7 über die Federn 8 Richtung Symmetrieachse S gedrückt werden und somit die neu eingesetzten Zeichentrager verriegelnAfter the positioning of the drawing magazine 19 in the position necessary for the change process, the pins 21 controlled by the compressed air cylinder are displaced in such a way that they first press the drawing medium to be moved from the magazine 19 into a receptacle of the embossing wheel 5 against the annular extension 23. Subsequently, the character carriers are clamped together with the pins 21 by moving the pins 17 into the receptacles 22 and thus secured against twisting. By pushing in further, the character carriers are finally inserted into the receptacle provided for this purpose in the character carrier holder 3 of the embossing wheel 5. The compressed air cylinder 10 is moved back into its starting position, whereby the loose pins 13 are moved out of the character holder 3 parallel to the axis of symmetry S. As a result, the initially radially towards the circumferential edge of the wheel 5 are pushed up by the loose pins 13 clamping pieces 7 over the springs 8 in the direction of the axis of symmetry S and thus lock the newly inserted character carriers
Die oben beschriebenen Vorgange finden in dem Fall, daß mehrere Zeichentrager gewechselt werden, gleichzeitig statt. Die Anzahl der radförmigen Zeichentragermagazine 19, der Stifte 13, 17 und 21, und der sie steurnden Zylinder 10, 15 und 20, der Uberwachungsschalter 27 sowie der umgebenden Peripherieeinheiten ergibt sich aus der Anzahl der im Zeichentragerhalter 3 befindlichen Zeichentrager 1, wobei diese Anzahl wiederum durch die Anforderungen an den zu pragenden Zeichensatz bestimmt wird.The above-described operations take place simultaneously in the event that several character carriers are changed. The number of wheel-shaped character magazines 19, the pins 13, 17 and 21, and the cylinders 10, 15 and 20 controlling them, the monitoring switch 27 and the surrounding peripheral units results from the number of character carriers 1 located in the character holder 3, this number in turn is determined by the requirements for the character set to be shaped.
Über eine Verschubeinheit 28 kann die gesamte Wechselvorrichtung parallel zur Symmetrieachse der Prageeinheit 2 unter einem 90β-Winkel zur radialen Mittelachse des Pragerades 5 soweit verschoben werden, daß beide Einheiten (Wechselvorrichtung und Prageeinheit) frei zuganglich sind. Nach dem erfolgten Wechselvorgang kann die gesamte Prageeinheit 2 mit dem Pragerad 5 von der Wechselstellung entfernt und in eine vorgewählte bzw frei einstellbare Prageposition gebracht werden Für den Pragevorgang wird über den Drehantrieb 4 das Pragerad 5 synchron zur Geschwindigkeit der zu kennzeichnenden Teile beschleunigt und zum Zeitpunkt der zu erfolgenden Prägung gegen die Teile gedruckt Der Vorgang kann ein- oder mehrmals wiederholt werden, bis andere Zeichentrager 1 erforderlich sind, und ein wie oben beschriebener Wechselvorgang erneut wiederholt wirdThe entire changing device can be displaced parallel to the symmetry axis of the stamping unit 2 at a 90 β angle to the radial central axis of the stamping wheel 5 by means of a pushing unit 28 so that both units (changing device and stamping unit) are freely accessible. After the change process has been completed, the entire stamping unit 2 with the stamping wheel 5 can be removed from the change position and brought into a preselected or freely adjustable stamping position. For the stamping process, the stamping wheel 5 is accelerated synchronously with the speed of the parts to be marked and at the time of the to be embossed printed against the parts. The process can be repeated one or more times until other character carriers 1 are required and a replacement process as described above is repeated again
Um ein rasches Kennzeichnen von sich bewegenden Teilen mit einem Zeichensatz zu ermöglichen, bei welchem sich für jeden Kennzeichnungsvorgang jeweils nur ein Zeichen ändert, ist es in Hinblick auf die Dauer des Wechsel vorganges und somit auch auf die Dauer des Kennzeichnungsvorganges gunstig, wenn im Inneren der Pragerolle zusatzlich ein sogenannter Einzelzeichenwechselmechanismus ausgebildet ist, wie er in einer Parallelanmeldung (ungarische Anmeldenummer P 98 00 579) beschrieben ist In order to enable a quick marking of moving parts with a character set, in which only one character changes for each marking process, it is favorable with regard to the duration of the change process and thus also the duration of the marking process if inside the A so-called single character change mechanism, as described in a parallel application (Hungarian application number P 98 00 579), is additionally formed

Claims

PATENTANSPRÜCHE PATENT CLAIMS
1. Vorrichtung zum Kennzeichnen von sich in Laufrichtung eines Rollganges bewegenden Teilen mit zumindest einem Zeichenträger (1), welcher ein Zeichen trägt, wobei dieser Zeichenträger am Umfang eines Prägerades (5) auswechselbar eingesetzt ist,1. Device for identifying parts moving in the direction of travel of a roller table with at least one character carrier (1) which bears a character, this character carrier being used interchangeably on the circumference of an embossing wheel (5),
dadurch gekennzeichnet, daßcharacterized in that
zumindest ein Zeichentragermagazin (19) für Zeichenträger (1) vorhanden ist, das Zeichentragermagazin (19) und das Prägerad (5) in eine Relativstellung zueinander bringbar sind, in welcher Zeichenträger des Prägerades (5) in Aufnahmen (22) des Zeichentragermagazins (19) und Zeichenträger des Zeichentragermagazins (19) in Aufnahmen des Prägerades (5) unmittelbar überführbar sind.at least one character carrier magazine (19) for character carrier (1) is present, the character carrier magazine (19) and the embossing wheel (5) can be brought into a relative position to one another, in which character carrier of the embossing wheel (5) in receptacles (22) of the character carrier magazine (19) and character carriers of the character carrier magazine (19) can be transferred directly into images of the embossing wheel (5).
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Zeichenträger (1) durch Klemmstücke (7) in den Aufnahmen des Prägerades (3) verklemmbar sind.2. Device according to claim 1, characterized in that the character carrier (1) by clamping pieces (7) in the receptacles of the embossing wheel (3) can be clamped.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Klemmstücke (7) durch Federn (8) in einer Ausnehmung der Zeichenträger (1) verklemmbar sind.3. Apparatus according to claim 2, characterized in that the clamping pieces (7) by springs (8) in a recess of the character carrier (1) can be clamped.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß durch an den Klemmstücken angreifende Lösestifte (13) in am Umfang des Prägerades (5) im wesentlichen achsparallel verlaufende Bohrungen die geklemmten Zeichenträger (1) freigebbar sind.4. Device according to one of claims 1 to 3, characterized in that the clamped character carriers (1) can be released by loosening pins (13) acting on the clamping pieces in the axially parallel bores on the circumference of the embossing wheel (5).
5.Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß antreibbare Stifte (21) zum Ausschieben von Zeichenträgem (1) aus dem Prägerad (5) in eine Aufnahme des Zeichentragermagazins (19) sowie antreibbare Stifte (17) zum Einschieben von Zeichenträgem aus dem Zeichentragermagazin (19) in das Prägerad (5) vorgesehen sind.5.Device according to one of claims 1 to 4, characterized in that drivable pins (21) for ejecting character carriers (1) from the embossing wheel (5) into a receptacle of the character carrier magazine (19) and drivable pins (17) for inserting Character carriers from the character carrier magazine (19) are provided in the embossing wheel (5).
6. Vorrichtung nach Anspruch 1 und 5, dadurch gekennzeichnet, daß das zumindest eine Zeichentragermagazin (19) radförmig und um seine Achse verdrehbar ausgebildet ist. 6. Apparatus according to claim 1 and 5, characterized in that the at least one character magazine (19) is wheel-shaped and rotatable about its axis.
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß am Umfang des zumindest einen radförmigen Zeichentragermagazins (19) Zeichenträger (1) angebracht sind, welche in radialer Richtung verschiebbar sind.7. The device according to claim 6, characterized in that on the circumference of the at least one wheel-shaped character magazine (19) character carriers (1) are attached, which are displaceable in the radial direction.
8. Vorrichtung nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, daß die Stifte (17) von einem linear geführten Schlitten (16) getragen und in das Innere des zumindest einen radförmigen Zeichentragermagazins (19) einfahrbar sind.8. Device according to one of claims 5 and 6, characterized in that the pins (17) are carried by a linearly guided carriage (16) and are retractable into the interior of the at least one wheel-shaped character magazine (19).
9. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Zeichenträger (1) im Zeichentragermagazin (19) gegen ein Verschieben nach innen bzw. außen durch einen inneren ringförmigen Ansatz (23) bzw. eine äußere Ringfühmng (26) in ihrer Lage haltbar sind. 9. Device according to one of claims 1 to 8, characterized in that the character carrier (1) in the character carrier magazine (19) against displacement inwards or outwards by an inner annular projection (23) or an outer ring guide (26) in their position is durable.
EP98959666A 1997-12-05 1998-12-04 Device with a mark-holder hopper for stamping distinguishing marks on moving parts Withdrawn EP1035976A1 (en)

Applications Claiming Priority (7)

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HUP9740920 1997-12-05
HUP9740918 1997-12-05
HU4091897 1997-12-05
HU4092097 1997-12-05
HUP9809268 1998-03-16
HU9206898 1998-03-16
PCT/AT1998/000295 WO1999029517A1 (en) 1997-12-05 1998-12-04 Device with a mark-holder hopper for stamping distinguishing marks on moving parts

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EP98959665A Withdrawn EP1035975A1 (en) 1997-12-05 1998-12-04 Device for stamping distinguishing marks on moving parts
EP98959666A Withdrawn EP1035976A1 (en) 1997-12-05 1998-12-04 Device with a mark-holder hopper for stamping distinguishing marks on moving parts
EP98958718A Withdrawn EP1035974A1 (en) 1997-12-05 1998-12-04 Device with a mark-holder hopper and a revolver hopper for stamping distinguishing marks on moving parts

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WO1999029517A1 (en) 1999-06-17
US6295923B1 (en) 2001-10-02
US6200044B1 (en) 2001-03-13

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