EP0151204A1 - Presse à frapper les monnaies - Google Patents

Presse à frapper les monnaies Download PDF

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Publication number
EP0151204A1
EP0151204A1 EP84101317A EP84101317A EP0151204A1 EP 0151204 A1 EP0151204 A1 EP 0151204A1 EP 84101317 A EP84101317 A EP 84101317A EP 84101317 A EP84101317 A EP 84101317A EP 0151204 A1 EP0151204 A1 EP 0151204A1
Authority
EP
European Patent Office
Prior art keywords
ejector
embossing
lever
plunger
push rod
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
EP84101317A
Other languages
German (de)
English (en)
Other versions
EP0151204B1 (fr
Inventor
Kurt Finsterwalder
Rainer Güthle
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.)
L Schuler GmbH
Original Assignee
L Schuler 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 L Schuler GmbH filed Critical L Schuler GmbH
Priority to EP84101317A priority Critical patent/EP0151204B1/fr
Priority to DE8484101317T priority patent/DE3469146D1/de
Priority to US06/696,712 priority patent/US4615203A/en
Publication of EP0151204A1 publication Critical patent/EP0151204A1/fr
Application granted granted Critical
Publication of EP0151204B1 publication Critical patent/EP0151204B1/fr
Expired legal-status Critical Current

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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
    • B44B5/0052—Machines or apparatus for embossing decorations or marks, e.g. embossing coins by pressing
    • B44B5/0057—Machines or apparatus for embossing decorations or marks, e.g. embossing coins by pressing using more than one die assembly simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/14—Ejecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32—Discharging presses

Definitions

  • the invention relates to a coin press with an embossing plunger drive from a triangle lever driven by a crankshaft via a central bearing, which is articulated on the frame side with a rear rocker bearing on a handlebar and on the handlebars and with a front rocker bearing via a push rod, and with one of the plunger drive, via a non-steering drive, drives the ejector die to produce an ejection movement which occurs essentially simultaneously with the movement of the plunger from the front dead center to the rear dead center.
  • the object of the invention is to allow the means for avoiding damage to the ejector system and the embossing tool and the means for the controlled prevention of the ejector activity or effectiveness in a pivot point of the ejector lever and by essentially an effective means.
  • the idler gear is designed from a push rod directly linked to the stamping plunger and a one-armed ejector lever which is hinged at one end to the end of the push rod remote from the plunger-side linkage and with a portion of its length on the ejector stamping plunger and in that second end of the ejector lever is attached to the movable part of an otherwise fixed working piston-cylinder unit, which in the Sirme emier printing system of the ejector lever is prestressed by pressure on the ejector stamp, possibly via an ejector rod.
  • the double use of a working piston-cylinder unit advantageously results in a compact, easy-to-assemble and adjustable assembly whose adjustability is controlled and whose function can be easily monitored.
  • the invention is the result of a chronological further development of the generic coin minting press.
  • Existing coin minting presses can be converted to this system and are also fundamentally different in the development of new coin minting presses, e.g. such coin minting presses, such a system can be adopted directly.
  • the transmission means for the plunger movement on the ejector lever are limited to a few means according to claim 2, so that there is no large accumulation of tolerance.
  • the first-mentioned publication shows a transmission lever which is moved by the drive of an embossing plunger and which acts on one end of a two-armed ejector lever.
  • the ejector lever is with its second End placed against an ejector rod and articulated in a central area of its lever length via an eccentric drive in the sense of an interruption of the ejector activity (lift outlet control).
  • the second-mentioned publication shows an ejector direction with an ejector extension which can be swiveled into the extension of the ejector rod via a piston-cylinder unit.
  • a motor-driven crankshaft 3 is rotatably mounted for driving the central bearing 4 of a push rod 5, which is designed in the manner of a triangular lever.
  • a push rod 5 which is designed in the manner of a triangular lever.
  • the front rocker bearing 6 is articulated via a push rod 11 on the tappet 12 at the pivot point 19.
  • the plunger 12 is in the printing direction, which lies in the center of the stamp 15, is longitudinally displaceable in the frame and carries the stamp 16 at its end part opposite the pivot point 19.
  • the stamping die 16 works with the stamping tool and in particular with the ejector stamp 17 when an stamp 13 in the embossing tool is oriented.
  • the embossing piece 13 can, for example, be fed into the embossing tool via a feed plate 18 and, after the embossing, can be led out of this area by means of the feed plate.
  • the feed plate can be rotated at 44 and is adjustable by means of a stepping device.
  • the step drive can also be done from the press drive. For the tool change, the feed plate is pivoted out of the stamping area.
  • the means for feeding the embossing blank into the feed plate, the means for gradual movement and for removing or ejecting the turntable are not shown in detail and can be constructed in a known manner.
  • Position 27 indicates the position of the embossing piece 13 and the embossing surfaces of the embossing die 16 and the ejector embossing die 17.
  • the latter acts together with an ejector rod 31, which can be actuated via a deflection drive, which will be described later, in the direction of an ejector movement guided in the punch center line 15.
  • a deflection drive which will be described later
  • FIGS. 2 and 3 show in particular the phases of the manufacture of the stamped part as a function of the rotary movement of the central bearing 4.
  • the frame-side link bearing 9 is arranged with respect to the punch center line 15 on the side opposite the crankshaft 3.
  • the link 8 is movable with the connected rear swing arm bearing 7 around the link bearing 9 in a circular arc with the radius dimension corresponding to the length of the link.
  • the distance from the center of the rear rocker bearing 7 to the center of the center bearing 4 is greater than the possible greatest distance from the center of the center bearing 4 to the punch center line 15, measured as the distance between the center of the center bearing 4 and the center of the rear rocker bearing 7.
  • the distance from the center of the front Swingarm bearing 6 to the center of the rear rocker bearing 7 and the distance from the center of the front rocker bearing 6 to the center of the central bearing 4 is designed such that the center of the front pivot bearing 6 whenever the central bearing 4 assumes a position that the corresponds to the front dead center T of the tappet 12, on the side to the punch center line 15, which is to be assigned to the frame-side link bearing 9.
  • the center bearing 4 is in a position which corresponds to the rear dead center T h of the ram 12, the center of the front rocker bearing 6 lies on the side of the punch center line 15 which is to be assigned to the crankshaft 3.
  • T h in the right curve part of curve 43 marks the start of the dead center position of the tappet 12, while the crankshaft 3, central bearing 4 and triangular lever 5 continue to move.
  • the crankshaft 3 rotates in the direction of the arrow 38, the embossing piece is changed after reaching the rear dead center.
  • the embossing piece is carried into the embossing tool by the embossing stamp 16.
  • the acceleration phase is ended approximately at point 41; the tappet is braked at 41 until it reaches the front dead center T as a result of the movement of the front rocker bearing 6 into the left curve part.
  • the finished embossed part for example a coin or medal
  • the finished embossed part is fed to the feed plate 18 after passing through the front dead center of the ram.
  • the movement of the plunger of the coin into the feed plate 18 takes place over a period of time which is greatly slowed down to approximately the point 42 shown.
  • the front rocker bearing 6 articulated via the push rod 11 on the plunger 12 can thus be driven via the closed oscillating track 43 while taking the plunger with it and the ejector stamp 17 can be carried at least for the area of the restoring movement of the ram via the deflection gear in the sense of an ejector movement, so that even for the time after the stamping the finished part by the stamp 16 and the ejector stamp 17 and between them until delivery to the feed plate 18 may be performed on all sides, including a minor game.
  • FIG. 4 shows the plunger 12, which is displaceably mounted in slide bearings 34 in frame 2 of the coin minting press 1 with a pivot point 29, by a push rod 26 via a screw thread attachment 30 and an in this inserted spherical bearing 28 is rotatably mounted.
  • the push rod 26 is also connected to an end 21 of an ejector lever 20 via a screw thread attachment 30 and a spherical bearing (not shown).
  • the screw thread approaches 30 are used to adjust the length of the push rod 26, the spherical cap bearings 28 to compensate for the angular position of the push rod 26 as it moves.
  • the ejector lever 20 is likewise pivotable with the end 24 opposite its first articulation point at 21, but is connected to the piston or to the cylinder of a working piston-cylinder unit 25, which can be attached to the frame 2 at a pivot point 35 or fixed to the frame.
  • a working piston-cylinder unit 25 In a middle part of the ejector lever 20, an adjusting bolt 37 is inserted, which acts on the protruding end of the ejector rod 31.
  • the working piston-cylinder unit is pressurized via the pressure connections 45, for example with a hydraulic fluid, in such a way that a fixed point 46 is formed for the ejector lever 20 for normal, undisturbed ejector operation.
  • the pressure level must be set to such a value that the ejector lever 20 can deflect at point 46 in the event that, for example, two embossing pieces are present between the embossing tool, and the pressure pin 37 can be moved in the direction opposite the arrow direction 14.
  • the deflection of the ejector lever 20 in such a case can be determined by an presence sensor 33 and can lead to the drive of the coin minting press being switched off.
  • the working piston-cylinder unit 25 is to be guided fixed to the frame at 47 for a deflection movement of the ejector lever 20.
  • the working piston-cylinder unit 25 also has the task of lifting the pressure pin 37, controlled by the pressure lines 45, from the end of the ejector rod 31 or from the ejector stamp 17 in order to eject the action for a multiple stroke e.g. to prevent re-embossing or glossy embossing. To do this, it is necessary to stop the feed plate 18 (FIG. 1) or to fill only every second or third filling point in the feed plate. The control must take place via the press control. No protection is sought for the control means. These means can be carried out with simple means and are easy to imagine, so that their graphic representation can be dispensed with.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Press Drives And Press Lines (AREA)
  • Transmission Devices (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP84101317A 1984-02-09 1984-02-09 Presse à frapper les monnaies Expired EP0151204B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP84101317A EP0151204B1 (fr) 1984-02-09 1984-02-09 Presse à frapper les monnaies
DE8484101317T DE3469146D1 (en) 1984-02-09 1984-02-09 Coining press
US06/696,712 US4615203A (en) 1984-02-09 1985-01-31 Coining press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84101317A EP0151204B1 (fr) 1984-02-09 1984-02-09 Presse à frapper les monnaies

Publications (2)

Publication Number Publication Date
EP0151204A1 true EP0151204A1 (fr) 1985-08-14
EP0151204B1 EP0151204B1 (fr) 1988-02-03

Family

ID=8191760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101317A Expired EP0151204B1 (fr) 1984-02-09 1984-02-09 Presse à frapper les monnaies

Country Status (3)

Country Link
US (1) US4615203A (fr)
EP (1) EP0151204B1 (fr)
DE (1) DE3469146D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330914A1 (fr) * 1988-02-27 1989-09-06 L. SCHULER GmbH Dispositif d'éjection des pièces hors des matrices dans une presse de formage
EP0648618A1 (fr) * 1993-10-13 1995-04-19 L. SCHULER GmbH Presse de monnaie pour estampage et perforation
GB2288560A (en) * 1994-04-07 1995-10-25 Graebener Pressensysteme Gmbh & Co Kg Press
DE10150101B4 (de) * 2000-09-23 2008-09-11 Schuler Pressen Gmbh & Co. Kg Presse und Verfahren zum Umformen von Werkstücken
DE102017124148A1 (de) 2017-10-17 2019-04-18 Schuler Pressen Gmbh Prägepresse und Verfahren zum Prägen einer Ronde

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002109596A (ja) * 2000-09-28 2002-04-12 Nippon Conlux Co Ltd 貨幣識別方法及び装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH383167A (de) * 1960-06-13 1964-10-15 Smeralovy Z Narodni Podnik Auswerfvorrichtung für automatische Pressen, insbesondere für Stufenpressen
US3661008A (en) * 1970-03-17 1972-05-09 Wickman Mach Tool Sales Ltd Presses
GB1516841A (en) * 1975-08-04 1978-07-05 Lamberton & Co Ltd Ejector mechanisms in machine presses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH53627A (de) * 1910-06-11 1912-03-16 Silvio Bigazzi Dispositif pour le découpage de rondells et autres objets de forme annulaire
US3122033A (en) * 1962-02-02 1964-02-25 Eumuco Ag Fur Maschb Die forging press
SU1027066A1 (ru) * 1981-08-26 1983-07-07 Воронежское производственное объединение по выпуску тяжелых механических прессов "Воронежтяжмехпресс" Нижний выталкиватель пресса дл объемной штамповки

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH383167A (de) * 1960-06-13 1964-10-15 Smeralovy Z Narodni Podnik Auswerfvorrichtung für automatische Pressen, insbesondere für Stufenpressen
US3661008A (en) * 1970-03-17 1972-05-09 Wickman Mach Tool Sales Ltd Presses
GB1516841A (en) * 1975-08-04 1978-07-05 Lamberton & Co Ltd Ejector mechanisms in machine presses

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BRAUNKOHLE, WÄRME UND ENERGIE, Band 3, Heft 19/20, Oktober 1951, Seiten 333-338, Düsseldorf, DE; M. KAISER: "Die Kniehebelpresse der Maschinenfabrik Buckau R. Wolf AG., Grevenbroich (früher Magdeburg) und ihre Ergebnisse im betrieblichen Einsatz" *
ZEITSCHRIFT FÜR INDUSTRIELLE FERTIGUNG, Band 69, 1979, Seiten 173-179, Springer-Verlag, Berlin, DE; W. BEISEL: "Münzprägen" *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067892A (en) * 1988-02-24 1991-11-26 L. Schuler Gmbh Ejection device for ejecting a workpiece from a die in a forming press
EP0330914A1 (fr) * 1988-02-27 1989-09-06 L. SCHULER GmbH Dispositif d'éjection des pièces hors des matrices dans une presse de formage
WO1993013893A1 (fr) * 1988-02-27 1993-07-22 Oskar Rahn Dispositif d'ejection de pieces contenues dans des matrices de presses de formage
EP0648618A1 (fr) * 1993-10-13 1995-04-19 L. SCHULER GmbH Presse de monnaie pour estampage et perforation
GB2288560A (en) * 1994-04-07 1995-10-25 Graebener Pressensysteme Gmbh & Co Kg Press
GB2288560B (en) * 1994-04-07 1997-04-02 Graebener Pressensysteme Gmbh Press
US5666879A (en) * 1994-04-07 1997-09-16 Grabener Pressensysteme Gmbh & Co. Kg Stampling machine or press, particularly mintage or coining press
DE4411900C2 (de) * 1994-04-07 2002-07-04 Graebener Pressensysteme Gmbh Prägepresse, insbesondere Münzprägepresse
DE10150101B4 (de) * 2000-09-23 2008-09-11 Schuler Pressen Gmbh & Co. Kg Presse und Verfahren zum Umformen von Werkstücken
DE102017124148A1 (de) 2017-10-17 2019-04-18 Schuler Pressen Gmbh Prägepresse und Verfahren zum Prägen einer Ronde
WO2019076628A1 (fr) 2017-10-17 2019-04-25 Schuler Pressen Gmbh Presse d'estampage et procédé servant à estamper un rond
US11453039B2 (en) 2017-10-17 2022-09-27 Schuler Pressen Gmbh Stamping press and method for stamping a round blank

Also Published As

Publication number Publication date
EP0151204B1 (fr) 1988-02-03
US4615203A (en) 1986-10-07
DE3469146D1 (en) 1988-03-10

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