EP0732193A1 - Device for fixing in position of dies in the table of a tabletting machine - Google Patents

Device for fixing in position of dies in the table of a tabletting machine Download PDF

Info

Publication number
EP0732193A1
EP0732193A1 EP95250058A EP95250058A EP0732193A1 EP 0732193 A1 EP0732193 A1 EP 0732193A1 EP 95250058 A EP95250058 A EP 95250058A EP 95250058 A EP95250058 A EP 95250058A EP 0732193 A1 EP0732193 A1 EP 0732193A1
Authority
EP
European Patent Office
Prior art keywords
die
dies
holders
designed
die table
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
EP95250058A
Other languages
German (de)
French (fr)
Other versions
EP0732193B1 (en
Inventor
Wolfgang Korsch
Peter Sommerfeld
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.)
Korsch AG
Original Assignee
Korsch Pressen 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 Korsch Pressen GmbH filed Critical Korsch Pressen GmbH
Priority to EP19950250058 priority Critical patent/EP0732193B1/en
Priority to DE59506307T priority patent/DE59506307D1/en
Publication of EP0732193A1 publication Critical patent/EP0732193A1/en
Application granted granted Critical
Publication of EP0732193B1 publication Critical patent/EP0732193B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/08—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with moulds carried by a turntable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026—Mounting of dies, platens or press rams

Definitions

  • the invention relates to a device for fastening the matrices in the die table of a tableting machine, in particular a rotary tableting machine, by means of die holders.
  • Modern tableting machines are suitable for pressing a wide variety of types and shapes of tablets. After the production of a batch or several batches of tablets, the pressing tool must be dismantled for the purpose of cleaning and then assembled will. Disassembly is also necessary if the machine is converted from one tablet format to another tablet format. To do this, stamps and dies must be exchanged. Tableting machines are known in which the dies are fixed and locked or detachable by means of die screws which are screwed into the die table radially from the outside. As many die screws as dies are required. The die screws are conical at the front end and engage in circumferential grooves of the dies when screwing in to fix the dies with the conical end.
  • each individual die screw When changing, each individual die screw must be loosened one after the other by hand in order to loosen the dies of the old batch. After removing the old dies and inserting the new dies, all die screws must be tightened individually for fixing and locking. This time-consuming process of changing the dies is unsatisfactory, especially in the case of smaller batches, since the time for changing the dies is synonymous with machine downtime. Especially with modern machines that have a significant investment value, long machine runtimes should be achievable.
  • the object of the invention is therefore to create a device with which both a quick release of the old dies and a quick fixation of the new dies in the die table is possible.
  • FIG. 1 shows a vertical partial section through a rotary tablet machine 12.
  • This consists of a die table 4 which is connected to a rotor 1, which is driven by a drive shaft 13 rotating about a vertical rotor axis 14, and of the upper rotor part 15 and lower rotor part 16 is formed, in which the upper stamp 3 or lower stamp 2 are guided.
  • the upper punch 3 is adjusted by means of a guide bush 26, which is designed with a groove, and a feather key 25.
  • the guide bush 26 of the upper punch 3 is with a fitting 23 with associated screw 24 attached.
  • the lower punch 2 is also adjusted by means of a guide bush 27 and a feather key 25.
  • the lower punch 2 located in the guide bush 27 is fastened by means of a fitting 23 and a screw 24.
  • matrices 10 are arranged uniformly on the pitch circle 17 of the matrix table 4.
  • the matrices 10 with their associated upper punches 3 and lower punches 2 successively arrive at a press station, where the filling material located in the die 10 is pressed into the finished tablet by means of pressure rollers.
  • the press station and pressure rollers are not shown in Fig.1. The same applies to the filling shoes, the task of which is to fill the filling material into the subsequently empty die 10 after the pressing process.
  • Each die 10 consists of a metallic die body 18 and a through opening 19, which forms the shape for pressing the tablet, and has an annular groove 11 on the outer circumference.
  • the die holder 5 is designed as a hydraulic piston 20 with a conical clamping head 21 and is provided with an extending die pin 6 which presses against a spring 8 of a screw plug 7. This is firmly screwed into a radial bore 22 in the die table 4 from the outside.
  • the pressure force of a hydraulic device, not shown, is simultaneously transmitted to the piston-like die holder 5 by means of a pressure feed 9 guided through the rotor 1.
  • the dies 10 are evenly distributed on the pitch circle 17.
  • the die holders 5 are designed as hydraulic pistons 20, at the end of which the die pins 6 are arranged.
  • the conical clamping head 21 of the die holder 5 engages in the ring grooves 11 of the dies 10 when being fixed.
  • Two die holders 5 each wedge a die 10 in such a way that it is secured against vertical and axial displacement during the pressing process. Since a die holder 5 engages in the ring grooves 11 of the dies 10 arranged to the left and right of it, the same number of die holders 5 as dies 10 are required. From the outside, the screw plugs 7 are screwed into the die table 4, which are provided with springs 8.
  • These screw plugs 7 are located in the same radial bores 22 as the associated die holders 5. During the fixing process, the die pins 6 of the die holder 5 press against the springs 8 of the screw plugs 7, so that the springs 8 are compressed after the fixing process. If the dies 10 are to be replaced, the hydraulic device is switched off, so that no more force is exerted on the die holders 5 in the direction of the dies 10 via the pressure feed 9. However, in order to release the dies 10, the die holders 5 must be moved away from the dies 10. The springs 8 of the screw plugs 7, which are compressed during fixation, relax and press the die holder 5 radially inward from the die 10. This happens for all matrices 10 at the same time. The dies 10 can then be removed from the die table 4, the new dies 10 can be inserted and at the same time fixed with the help of the hydraulic device. This simplifies and speeds up the cleaning process of the machines and the change of dies.
  • a further embodiment for the central fastening of the dies 10 consists in the formation of the die holders 5 as cams on an annular disk mounted in the die table 4, which is driven, for example, by a pinion.
  • a further mechanical embodiment is the design of the die holder 5 as a pair of levers which are spread by spring elements and are mounted and pivoted in the die table 4.
  • the levers are actuated by push rods which can be acted upon radially from the inside.
  • the die holder 5 it is also possible to design the die holder 5 as circular segments which can be moved radially from the inside against the die 10.
  • the circle segments are provided with oblique oblong holes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The device has die holders (5), in the form of hydraulic pistons with conical heads, located between the rotor axis and reference circle of the dies (10). Combined movement of the die holders is provided by a hydraulic component on the die table. The die holders are located in bores radial to the rotor axis. Plugs (7) are screwed into radial bores on the outer edge of the table and die pins are located in the holders and press against springs (8) in the plugs.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Befestigung der Matrizen im Matrizentisch einer Tablettiermaschine, insbesondere Rundlauf-Tablettiermaschine, mittels Matrizenhaltern.The invention relates to a device for fastening the matrices in the die table of a tableting machine, in particular a rotary tableting machine, by means of die holders.

Moderne Tablettiermaschinen sind dazu geeignet, die verschiedensten Arten und Formen von Tabletten zu pressen. Nach der Fertigung einer Charge oder mehrerer Chargen von Tabletten müssen die Preßwerkzwuge zum Zwecke der Reinigung demontiert und anschließend montiert werden. Eine Demontage ist ebenfalls notwendig, wenn die Maschine von einem Tablettenformat auf ein anderes Tablettenformat umgerüstet wird. Dazu müssen Stempel und Matrizen ausgetauscht werden. Bekannt sind Tablettiermaschinen, bei denen die Matrizen durch Matrizenschrauben, die radial von außen in den Matrizentisch eingeschraubt sind, fixiert und arretiert bzw. lösbar sind. Es werden soviele Matrizenschrauben wie Matrizen benötigt. Die Matrizenschrauben sind am vorderen Ende konisch und greifen beim Einschrauben zur Fixierung der Matrizen mit dem konischen Ende in Umfangsnuten der Matrizen ein. Beim Auswechseln muß jede einzelne Matrizenschraube per Hand nacheinander gelöst werden, um die Matrizen der alten Charge zu lösen. Nach dem Herausnehmen der alten Matrizen und dem Einsetzen der neuen Matrizen müssen alle Matrizenschrauben zur Fixierung und Arretierung einzeln wieder angezogen werden. Dieses zeitaufwendige Verfahren der Auswechslung der Matrizen ist insbesondere bei kleineren Chargen unbefriedigend, da die Zeit zum Auswechseln der Matrizen gleichbedeutend mit Maschinenstillstand ist. Gerade aber mit modernen Maschinen, die einen erheblichen Investionswert haben, sollen hohe Maschinenlaufzeiten erreichbar sein.Modern tableting machines are suitable for pressing a wide variety of types and shapes of tablets. After the production of a batch or several batches of tablets, the pressing tool must be dismantled for the purpose of cleaning and then assembled will. Disassembly is also necessary if the machine is converted from one tablet format to another tablet format. To do this, stamps and dies must be exchanged. Tableting machines are known in which the dies are fixed and locked or detachable by means of die screws which are screwed into the die table radially from the outside. As many die screws as dies are required. The die screws are conical at the front end and engage in circumferential grooves of the dies when screwing in to fix the dies with the conical end. When changing, each individual die screw must be loosened one after the other by hand in order to loosen the dies of the old batch. After removing the old dies and inserting the new dies, all die screws must be tightened individually for fixing and locking. This time-consuming process of changing the dies is unsatisfactory, especially in the case of smaller batches, since the time for changing the dies is synonymous with machine downtime. Especially with modern machines that have a significant investment value, long machine runtimes should be achievable.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung zu schaffen, mit der sowohl ein schnelles Lösen der alten Matrizen als auch schnelles Fixieren der neuen Matrizen im Matrizentisch möglich ist.The object of the invention is therefore to create a device with which both a quick release of the old dies and a quick fixation of the new dies in the die table is possible.

Die Lösung dieser Aufgabe ergibt sich aus den kennzeichnenden Merkmalen des Patentanspruches 1. Durch die erfindungsgemäße Verwendung einer Einrichtung zur gemeinsamen Bewegung der Matrizenhalter im Matrizentisch und die Anordnung der Matrizenhalter der Matrizenhalter zwischen jeweils zwei Matrizen, die auf dem Teilkreis des Matrizentisches angeordnet sind, wird ein schnelles und einfaches Auswechseln der Matrizen ermöglicht.The solution to this problem results from the characterizing features of claim 1. By the use according to the invention of a device for the common movement of the die holder in the die table and the arrangement of the die holder of the die holder between two dies in each case, which are arranged on the pitch circle of the die table, enable the dies to be replaced quickly and easily.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Further advantageous embodiments of the invention result from the subclaims.

Die Erfindung ist nachfolgend anhand einer in den Zeichnungen dargestellten bevorzugten Ausführungsform beschrieben. Es zeigen:

Fig.1
einen vertikalen Teilschnitt durch eine Rundlauf-Tablettiermaschine und
Fig.2
eine Teildraufsicht auf den Matrizentisch, teilweise im Schnitt.
The invention is described below with reference to a preferred embodiment shown in the drawings. Show it:
Fig. 1
a vertical partial section through a rotary tableting machine and
Fig. 2
a partial top view of the die table, partly in section.

Die Fig.1 zeigt einen vertikalen Teilschnitt durch eine Rundlauf-Tablettiermaschine 12. Diese besteht aus einem Matrizentisch 4 der mit einem Rotor 1 verbunden ist, der über eine, um eine vertikale Rotorachse 14 rotierende Antriebswelle 13 angetrieben wird und aus Rotoroberteil 15 und Rotorunterteil 16 gebildet ist, in denen Oberstempel 3 bzw. Unterstempel 2 geführt sind. Der Oberstempel 3 wird mittels einer Führungsbuchse 26, die mit einer Nut ausgeführt ist, sowie einer Paßfeder 25 justiert. Die Führungsbuchse 26 des Oberstempels 3 wird mit einem Paßstück 23 mit zugehöriger Schraube 24 befestigt. Auch der Unterstempel 2 wird mittels einer Führungsbuchse 27 und einer Paßfeder 25 justiert. Die Befestigung des sich in der Führungsbuchse 27 befindlichen Unterstempels 2 wird mittels Paßstück 23 und Schraube 24 durchgeführt. Im Matrizentisch 4 sind Matrizen 10 gleichmäßig auf dem Teilkreis 17 des Matrizentisches 4 angeordnet. Wenn beim Betrieb der Rundlauf-Tablettiermaschine 12 der Matrizentisch 4 rotiert, gelangen die Matrizen 10 mit ihren zugehörigen Oberstempeln 3 und Unterstempeln 2 nacheinander an eine Preßstation, wo mit Hilfe von Druckrollen das sich in der Matrize 10 befindliche Füllmaterial zur fertigen Tablette verpreßt wird. Die Pressstation und Druckrollen sind in Fig.1 nicht dargestellt. Gleiches gilt für die Füllschuhe, deren Aufgabe es ist, das Füllmaterial nach dem Pressvorgang in die danach leere Matrize 10 zu füllen.1 shows a vertical partial section through a rotary tablet machine 12. This consists of a die table 4 which is connected to a rotor 1, which is driven by a drive shaft 13 rotating about a vertical rotor axis 14, and of the upper rotor part 15 and lower rotor part 16 is formed, in which the upper stamp 3 or lower stamp 2 are guided. The upper punch 3 is adjusted by means of a guide bush 26, which is designed with a groove, and a feather key 25. The guide bush 26 of the upper punch 3 is with a fitting 23 with associated screw 24 attached. The lower punch 2 is also adjusted by means of a guide bush 27 and a feather key 25. The lower punch 2 located in the guide bush 27 is fastened by means of a fitting 23 and a screw 24. In the matrix table 4, matrices 10 are arranged uniformly on the pitch circle 17 of the matrix table 4. When the matrix table 4 rotates during operation of the rotary tableting machine 12, the matrices 10 with their associated upper punches 3 and lower punches 2 successively arrive at a press station, where the filling material located in the die 10 is pressed into the finished tablet by means of pressure rollers. The press station and pressure rollers are not shown in Fig.1. The same applies to the filling shoes, the task of which is to fill the filling material into the subsequently empty die 10 after the pressing process.

Jede Matrize 10 besteht aus einem metallischen Matrizenkörper 18 und einer Durchgangsöffnung 19, welche die Form zum Verpressen der Tablette bildet, und weist auf dem Außenumfang eine Ringnut 11 auf. Der Matrizenhalter 5 ist als hydraulischer Kolben 20 mit konischem Spannkopf 21 ausgeführt und mit einem verlängernden Matrizenstift 6 versehen, der gegen eine Feder 8 eines Schraubstöpsels 7 drückt. Dieser ist in eine Radialbohrung 22 im Matrizentisch 4 von außen fest eingeschraubt. Die Druckkraft einer nicht dargestellten hydraulischen Einrichtung wird mittels einer durch den Rotor 1 geführten Druckzuführung 9 gleichzeitig auf die kolbenartigen Matrizenhalter 5 übertragen.Each die 10 consists of a metallic die body 18 and a through opening 19, which forms the shape for pressing the tablet, and has an annular groove 11 on the outer circumference. The die holder 5 is designed as a hydraulic piston 20 with a conical clamping head 21 and is provided with an extending die pin 6 which presses against a spring 8 of a screw plug 7. This is firmly screwed into a radial bore 22 in the die table 4 from the outside. The pressure force of a hydraulic device, not shown, is simultaneously transmitted to the piston-like die holder 5 by means of a pressure feed 9 guided through the rotor 1.

Die Fig.2 zeigt eine Teildraufsicht auf den Matrizentisch 4. Die Matrizen 10 befinden sich gleichmäßig verteilt auf dem Teilkreis 17. Die Matrizenhalter 5 sind als hydraulische Kolben 20 ausgebildet, an deren Ende die Matrizenstifte 6 angeordnet sind. Der konische Spannkopf 21 des Matrizenhalters 5 greift beim Fixieren in die Ringnuten 11 der Matrizen 10 ein. Jeweils zwei Matrizenhalter 5 keilen somit eine Matrize 10 derart ein, daß sie gegen eine vertikale und axiale Verschiebung während des Pressvorganges gesichert ist. Da ein Matrizenhalter 5 in jeweils links und rechts von ihm angeordnete Ringnuten 11 der Matrizen 10 eingreift, wird die gleiche Anzahl von Matrizenhaltern 5 benötigt wie Matrizen 10. Von außen sind die Schraubstöpsel 7 in den Matrizentisch 4 eingeschraubt, die mit Federn 8 versehen sind. Diese Schraubstöpsel 7 befinden sich in den gleichen Radialbohrungen 22 wie die dazugehörigen Matrizenhalter 5. Beim Fixierungsvorgang drücken die Matrizenstifte 6 der Matrizenhalter 5 gegen die Federn 8 der Schraubstöpsel 7, so daß die Federn 8 nach dem Fixierungsvorgang gestaucht sind. Sollen die Matrizen 10 ausgetauscht werden, wird die hydraulische Einrichtung abgeschaltet, so daß über die Druckzuführung 9 keine Kraft mehr auf die Matrizenhalter 5 in Richtung der Matrizen 10 ausgeübt wird. Um die Matrizen 10 jedoch zu lösen, müssen die Matrizenhalter 5 von den Matrizen 10 fortbewegt werden. Die beim Fixieren gestauchten Federn 8 der Schraubstöpsel 7 entspannen sich und drücken die Matrizenhalter 5 von den Matrizen 10 radial nach innen. Dies geschieht für alle Matrizen 10 gleichzeitig. Die Matrizen 10 können dann aus dem Matrizentisch 4 herausgenommen werden, die neuen Matrizen 10 können eingesetzt werden und mit Hilfe der hydraulischen Einrichtung gleichzeitig fixiert werden. Dies erleichtert und beschleunigt den Reinigungsvorgang der Maschinen bzw. den Matrizenwechsel.2 shows a partial top view of the die table 4. The dies 10 are evenly distributed on the pitch circle 17. The die holders 5 are designed as hydraulic pistons 20, at the end of which the die pins 6 are arranged. The conical clamping head 21 of the die holder 5 engages in the ring grooves 11 of the dies 10 when being fixed. Two die holders 5 each wedge a die 10 in such a way that it is secured against vertical and axial displacement during the pressing process. Since a die holder 5 engages in the ring grooves 11 of the dies 10 arranged to the left and right of it, the same number of die holders 5 as dies 10 are required. From the outside, the screw plugs 7 are screwed into the die table 4, which are provided with springs 8. These screw plugs 7 are located in the same radial bores 22 as the associated die holders 5. During the fixing process, the die pins 6 of the die holder 5 press against the springs 8 of the screw plugs 7, so that the springs 8 are compressed after the fixing process. If the dies 10 are to be replaced, the hydraulic device is switched off, so that no more force is exerted on the die holders 5 in the direction of the dies 10 via the pressure feed 9. However, in order to release the dies 10, the die holders 5 must be moved away from the dies 10. The springs 8 of the screw plugs 7, which are compressed during fixation, relax and press the die holder 5 radially inward from the die 10. This happens for all matrices 10 at the same time. The dies 10 can then be removed from the die table 4, the new dies 10 can be inserted and at the same time fixed with the help of the hydraulic device. This simplifies and speeds up the cleaning process of the machines and the change of dies.

Eine weitere Ausführungsform zur zentralen Befestigung der Matrizen 10 besteht in der Ausbildung der Matrizenhalter 5 als Nocken auf einer im Matrizentisch 4 gelagerten Kreisringscheibe, die beispielsweise über ein Ritzel angetrieben wird.A further embodiment for the central fastening of the dies 10 consists in the formation of the die holders 5 as cams on an annular disk mounted in the die table 4, which is driven, for example, by a pinion.

Eine weitere mechanische Ausführungsform ist die Ausbildung der Matrizenhalter 5 als durch Federelemente gespreizte, im Matrizentisch 4 gelagerte und schwenkbare Hebelpaare. Dabei werden die Hebel durch radial von innen beaufschlagbare Stösselstangen betätigt. Ebenfalls möglich ist die Ausbildung der Matrizenhalter 5 als radial von innen gegen die Matrizen 10 bewegbare Kreissegmente. Die Kreissegmente sind mit schräggestellten Langlöchern versehen. Eine im Matrizentisch 4 gelagerte Kreisringscheibe, die beispielsweise durch ein Ritzel angetrieben wird, greift dann während des Befestigungsvorganges mit Stiften in die Schräggestellten Langlöcher der Kreissegmente.A further mechanical embodiment is the design of the die holder 5 as a pair of levers which are spread by spring elements and are mounted and pivoted in the die table 4. The levers are actuated by push rods which can be acted upon radially from the inside. It is also possible to design the die holder 5 as circular segments which can be moved radially from the inside against the die 10. The circle segments are provided with oblique oblong holes. An annular disc mounted in the die table 4, which is driven, for example, by a pinion, then engages with pins in the oblique elongated holes of the circular segments during the fastening process.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

11
Rotorrotor
22nd
UnterstempelLower stamp
33rd
OberstempelUpper stamp
44th
MatrizentischMatrix table
55
MatrizenhalterDie holder
66
MatrizenstiftDie pin
77
SchraubstöpselScrew plugs
88th
Federfeather
99
DruckzuführungPressure supply
1010th
Matrizedie
1111
RingnutRing groove
1212th
Rundlauf-TablettiermaschineRotary tableting machine
1313
Antriebswelledrive shaft
1414
RotorachesRotoraches
1515
RotoroberteilRotor upper part
1616
RotrounterteilRotro bottom part
1717th
TeilkreisPitch circle
1818th
MatrizenkörperDie body
1919th
DurchgangsöffnungThrough opening
2020th
Kolbenpiston
2121
SpannkopfClamping head
2222
RadialbohrungRadial bore
2323
PaßstückFitting
2424th
Schraubescrew
2525th
Paßfederadjusting spring
2626
FührungsbuchseGuide bushing
2727
FührungsbuchseGuide bushing

Claims (8)

Vorrichtung zur Fixierung der Matrizen im Matrizentisch einer Tablettiermaschine, insbesondere Rundlauf-Tablettiermaschine, mittels Matrizenhaltern, dadurch gekennzeichnet, daß die Matrizenhalter (5) zwischen der Rotorachse und dem Teilkreis der Matrizen (10) angeordnet sind und daß am Matrizentisch (4) eine Einrichtung zur gemeinsamen Bewegung der Matrizenhalter (5) vorgesehen ist.Device for fixing the matrices in the die table of a tableting machine, in particular a rotary tableting machine, by means of die holders, characterized in that the die holders (5) are arranged between the rotor axis and the pitch circle of the dies (10) and in that a device for the die table (4) common movement of the die holder (5) is provided. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Matrizenhalter (5) in zur Rotorachse radialen Bohrungen angeordnet sind.Device according to claim 1, characterized in that the die holders (5) are arranged in bores radial to the rotor axis. Vorrichtung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die Einrichtung als Hydraulikeinrichtung ausgeführt ist und die Matrizenhalter (5) als hydraulische Kolben mit konischen Köpfen ausgebildet sind.Device according to claims 1 and 2, characterized in that the device is designed as a hydraulic device and the die holder (5) are designed as hydraulic pistons with conical heads. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß in Radialbohrungen auf dem äußeren Rand des Matrizentisches (4) mit Federn (8) versehene Schraubstöpsel (7) eingeschraubt und an den Matrizenhaltern (5) Matrizenstifte (6) angeordnet sind, die gegen die Federn (8) der Schraubstöpsel (7) drücken.Device according to claim 3, characterized in that screw plugs (7) provided with springs (8) are screwed into radial bores on the outer edge of the die table (4) and die pins (6) which are arranged against the springs (8) 8) press the screw plug (7). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Matrizenhalter (5) als Nocken auf einer im Matrizentisch (4) gelagerten Kreisringscheibe ausgebildet sind.Apparatus according to claim 1, characterized in that the die holders (5) are designed as cams on an annular disc mounted in the die table (4). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Matrizenhalter (5) als radial von innen gegen die Matrizen (10) bewegbare Kreissegmente ausgebildet sind und daß eine im Matrizentisch (4) gelagerte Kreisringscheibe vorgesehen ist, die mit Stiften in schräggestellte Langlöchern der Kreissegmente eingreift.Apparatus according to claim 1, characterized in that the die holders (5) are designed as circular segments which can be moved radially from the inside against the dies (10) and that an annular disc which is mounted in the die table (4) is provided and which engages with pins in obliquely positioned oblong holes in the circle segments . Vorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Kreisscheibe mittels Ritzel antreibbar ist.Apparatus according to claim 5 or 6, characterized in that the circular disc can be driven by means of pinions. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Matrizenhalter (5) als durch Federelemente gespreizte, im Matrizentisch (4) gelagerte und schwenkbare Hebelpaare ausgebildet sind und daß die Hebel durch radial von innen beaufschlagbaren Stösselstangen betätigbar sind.Apparatus according to claim 1, characterized in that the die holders (5) are designed as pairs of levers which are spread by spring elements and are mounted and pivotable in the die table (4) and that the levers can be actuated by push rods which can be acted upon radially from the inside.
EP19950250058 1995-03-14 1995-03-14 Device for fixing in position of dies in the table of a tabletting machine Expired - Lifetime EP0732193B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19950250058 EP0732193B1 (en) 1995-03-14 1995-03-14 Device for fixing in position of dies in the table of a tabletting machine
DE59506307T DE59506307D1 (en) 1995-03-14 1995-03-14 Device for fastening the dies in the die table of tableting machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19950250058 EP0732193B1 (en) 1995-03-14 1995-03-14 Device for fixing in position of dies in the table of a tabletting machine

Publications (2)

Publication Number Publication Date
EP0732193A1 true EP0732193A1 (en) 1996-09-18
EP0732193B1 EP0732193B1 (en) 1999-06-30

Family

ID=8221038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950250058 Expired - Lifetime EP0732193B1 (en) 1995-03-14 1995-03-14 Device for fixing in position of dies in the table of a tabletting machine

Country Status (2)

Country Link
EP (1) EP0732193B1 (en)
DE (1) DE59506307D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010015823A1 (en) * 2008-08-06 2010-02-11 Patheon Uk Limited Rapid low-cost manufacture of tablets using disposable equipment
CN114364524A (en) * 2019-09-09 2022-04-15 科施股份公司 Device for supporting a tablet press component, use thereof and method for adjusting the position of a tablet press component

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11034117B2 (en) * 2018-05-04 2021-06-15 Raymond A Virgen, III Releasable punch dampener

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989781A (en) * 1958-10-06 1961-06-27 Stokes F J Corp Rotary molding machine
DE1454820A1 (en) * 1964-07-17 1969-03-13 Korsch Spezialfab Emil Device for fastening dies in rotary tablet presses
DE3003238A1 (en) * 1980-01-30 1981-08-06 Wilhelm Fette Gmbh, 2053 Schwarzenbek Tablet-forming machine die holder - has blind hole at bore end for cylindrical portion of clamping screw
WO1995019254A1 (en) * 1994-01-15 1995-07-20 Korsch Pressen Gmbh Device for positioning facon molds

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989781A (en) * 1958-10-06 1961-06-27 Stokes F J Corp Rotary molding machine
DE1454820A1 (en) * 1964-07-17 1969-03-13 Korsch Spezialfab Emil Device for fastening dies in rotary tablet presses
DE3003238A1 (en) * 1980-01-30 1981-08-06 Wilhelm Fette Gmbh, 2053 Schwarzenbek Tablet-forming machine die holder - has blind hole at bore end for cylindrical portion of clamping screw
WO1995019254A1 (en) * 1994-01-15 1995-07-20 Korsch Pressen Gmbh Device for positioning facon molds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010015823A1 (en) * 2008-08-06 2010-02-11 Patheon Uk Limited Rapid low-cost manufacture of tablets using disposable equipment
CN114364524A (en) * 2019-09-09 2022-04-15 科施股份公司 Device for supporting a tablet press component, use thereof and method for adjusting the position of a tablet press component

Also Published As

Publication number Publication date
EP0732193B1 (en) 1999-06-30
DE59506307D1 (en) 1999-08-05

Similar Documents

Publication Publication Date Title
EP1843891B1 (en) Die table for rotary tablet presses and rotary tablet press
DE4401358C2 (en) Device for fastening the dies in the die table of a rotary tableting machine
EP0288798B1 (en) Rotary tabletting machine
WO1995019254A1 (en) Device for positioning facon molds
DE1947423A1 (en) Press tool for pressing powder
DE10159114B4 (en) Rotor for a tablet press
WO2005063421A1 (en) Method and device for the production of a hollow cylinder from a blank
EP0086459A1 (en) Rotary swaging machine
EP1071528B1 (en) Multistage metal-forming machine tool having tool combination blocks
EP0535476A2 (en) Apparatus for adjusting the slide stroke and a counterweight on a press
DE69004486T2 (en) Cutting tool holder with scraper.
EP0732193B1 (en) Device for fixing in position of dies in the table of a tabletting machine
WO2016139194A1 (en) Radial press
DE102008009364B4 (en) Tablet press machine with new rotor unit
DE3029767C2 (en) Press head for pasta press
DE3785220T2 (en) RING SHAPED TOOL, METHOD FOR PRODUCING IT, AND HOLDING TOOL FOR ITS USE IN CARRYING OUT THIS METHOD.
DE9416999U1 (en) Device for fixing Facon matrices
EP0888873A1 (en) Briquetting process
EP1638711B1 (en) Embossing machine and method for embossing workpieces
DE3502192A1 (en) Milling machine
DE2318577A1 (en) METHOD AND DEVICE FOR THE DRESSING OF LATHE
DE4010747C2 (en)
DE4314555C2 (en) Device to support the changing of sealing felts in cocoa butter presses
DE2014586C3 (en) Ironing device for preferably cylindrical workpieces
DE102006019459A1 (en) Front ejection mechanism for forged articles has first vibration unit to be driven through press device, camshaft, ejection cam unit injection rod

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE ES FR GB IT

RBV Designated contracting states (corrected)

Designated state(s): BE DE ES FR GB IT

17P Request for examination filed

Effective date: 19970311

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19980508

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE ES FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19990630

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19990630

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19990630

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19990630

REF Corresponds to:

Ref document number: 59506307

Country of ref document: DE

Date of ref document: 19990805

EN Fr: translation not filed
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 19990630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000331

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
BERE Be: lapsed

Owner name: KORSCH PRESSEN G.M.B.H.

Effective date: 20000331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010103