EP1060873A2 - Werkzeuganordnung zur Herstellung von ringförmigen Presslingen mit Hilfe einer Rundläuferpresse - Google Patents
Werkzeuganordnung zur Herstellung von ringförmigen Presslingen mit Hilfe einer Rundläuferpresse Download PDFInfo
- Publication number
- EP1060873A2 EP1060873A2 EP00111465A EP00111465A EP1060873A2 EP 1060873 A2 EP1060873 A2 EP 1060873A2 EP 00111465 A EP00111465 A EP 00111465A EP 00111465 A EP00111465 A EP 00111465A EP 1060873 A2 EP1060873 A2 EP 1060873A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool arrangement
- die plate
- arrangement according
- projection
- ring
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
-
- 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
- B30B15/06—Platens or press rams
- B30B15/065—Press rams
Definitions
- the invention relates to a tool arrangement for production of annular compacts with the help of a rotary press after the Preamble of claim 1.
- a tool arrangement of the type mentioned at the outset is from DE 298 01 312 known.
- the cross pin that extends through the shaft of the The lower punch extends through the slot in this area has, is arranged in a bore of the die insert.
- a Such a tool arrangement is particularly advantageous if alternating cylindrical and ring-shaped compacts are produced. The There is no need to replace the die plate.
- the invention has for its object a tool assembly for Production of ring-shaped compacts with the help of a rotary press to create, in which the center pin is easily detachable and again can be attached, in a reproducible position.
- the cross pin is in one Ring or an annular sleeve, which in turn in a Guide bore for the shaft of the lower punch is arranged or forms part of the guide bore.
- the pilot hole is on one radial projection of the die plate shaped, this Guide hole is not the only guide of the lower punch.
- Two bracket-shaped brackets are on opposite sides of the Lower stamp arranged, with a longer leg on the bottom of the ring and a shorter second leg the projection spreads.
- a web connecting the legs is connected to the Projection connected by a screw connection so that it is radial from can be screwed on the outside against the projection.
- the interaction of the bracket and the projection or die plate is preferably such that conical surfaces are provided which when Tighten the screw connection with each other so that the bracket with its inner leg axially against the retaining ring for the cross pin is pressed.
- the cross pin preferably has a cross section in the form of an elongated one Rectangle, with the cross pin upright in the ring or in the center pin is arranged. This allows the cross pin to absorb high forces less easily bent.
- a radial bore is on arranged lower end of a recess, which is below the Projection and in the area of which the lower stamp is exposed.
- about the radial bore can allow air to enter the inside of the die plate Recess will be blown to remove dust that is in this area can accumulate to blow off.
- This can take the form of a fixed nozzle is arranged at the level of the radial bore and either releases compressed air continuously or at intervals. With impulsive Air release can be controlled via the rotation of the air Die plate made.
- the single figure shows a section through part of a die plate a rotary press.
- a die plate is indicated at 10, the upper punches 12 has and lower stamp 14.
- the lower stamp 14 is the left and right of the Center axis shown in two different positions.
- the right Position indicates the ejection of a compact, and the left position becomes taken when a filling takes place.
- the lower punch 14 has a shaft 20 which is in a lower Guide section 22 is guided and by a guide section 24 between die 16 and lower guide section 22.
- the shaft 20 serves as a holder for a stamp insert 26, which with the help of a threaded sleeve 28 is attachable to the shaft 20.
- the sleeve 28 is in a bore section 30 out, which is located below the die attachment 18.
- a central pin 32 is located in an axial bore of the lower punch 14 arranged, which extends to the upper edge of the die attachment 18. He serves together with the ring-cylindrical stamp insert 26 Manufacture of circular tablets. It has one at the bottom Cross hole through which a cross pin 34 is guided.
- the Cross pin has an elongated rectangle in cross-section and is upright through the transverse bore of the central pin 32 out. The cross pin sits in corresponding radial bores of a ring 36, which in a bore 38th of the guide section 24 is inserted.
- the ring 36 forms part of the Guide bore for the shaft 20.
- the shaft 20 has an axial elongated slot 40, the axial extent of which is dimensioned such that in each of the two positions to the left and right of the figure, the cross pin 34 and in every position in between extends freely. The movement of the Press die 14 is therefore not prevented by the cross pin.
- the ring 36 extends somewhat with the lower end face beyond the underside of the guide section 24.
- the Guide section 24 can be a circumferential around the die plate 10 Be flange or consist of individual protrusions, each in Area of the stamp or dies are formed.
- the top 42 of the The projection is sloping downwards towards the outside.
- the lower one extends approximately horizontally.
- a clamp 44 which has a longer leg 46 and a shorter leg 48 running approximately parallel thereto has and a web 50 connecting the legs.
- the web 50 is by means of a screw bolt 52 against the outside of the projection 24 pressed.
- the longer leg 46 engages with its free end in a groove 54 Die plate, with its underside having a conical surface 56.
- the lower side of the groove can be correspondingly conical.
- the short Leg 48 is also conical on its underside and acts with the Inclined surface 42 together. If the screw 52 is tightened, the long exercises Leg 46 exerts pressure on the ring 36, causing it to move upward is pressed against the stop in the bore 38.
- a second clamping bracket is provided, which resembles the clamp 44.
- the two clamps are on top of each other opposite sides of the shaft 10 arranged.
- the ring 36 has cutouts on its underside into which the long Leg 54 engage both clamps 44. The ring 36 is thereby in secured its rotational position. The position securing is necessary so that the Cross pin 34 is guided freely in the slot 40.
- a radial bore 64 is formed that is radial to the lower punch 14 is aligned. It goes without saying that there is one for each lower stamp appropriate hole can be provided.
- a blowing nozzle 66 is arranged stationary, which consists of a blowing pressure source 68 is supplied with compressed air, the Activation takes place via a control device 70.
- the control device can detect the rotation of the die plate 10 and one each Initiate a pressure surge when a bore 64 is in front of the nozzle 66 located. With the help of compressed air, dust or other material can be removed be effectively blown out.
- Upper and lower stamps 12, 14 are made in a known manner Control sections and operated by pressure rollers, so during a whole or half a turn the required movements be carried out.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Automatic Assembly (AREA)
- Press Drives And Press Lines (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims (9)
- Werkzeuganordnung zur Herstellung von ringförmigen Preßlingen mit Hilfe einer Rundläuferpresse, wobei die Rundläuferpresse eine drehend angetriebene Matrizenscheibe aufweist mit Matrizenlöchern, in denen Matrizeneinsätze befestigt sind sowie zu den Matrizeneinsätzen ausgerichteten, mit diesen umlaufenden Ober- und Unterstempeln, die von Steuerabschnitten aufeinander zu oder voneinander fort bewegt werden und wobei die Unterstempel eine zum Arbeitsende hin offene koaxiale Bohrung aufweisen, in der ein Mittelstift angeordnet ist, der von einem Querstift relativ zur Matrizenscheibe axial festgelegt ist, wobei sich der Querstift durch einen axialen Schlitz des Unterstempels erstreckt, dadurch gekennzeichnet, daß der Querstift (34) in einem Ring (36) festgelegt ist, der Teil einer Führungsbohrung (38) für den Unterstempel (14) ist, die in einem radialen nach außen weisenden Vorsprung (24) der Matrizenscheibe (10) geformt ist, zwei klammerförmige Haltebügel (44) auf gegenüberliegenden Seiten des Unterstempels (14) angeordnet sind, von denen ein längerer Schenkel (46) an der Unterseite des Ringes (36) anliegt und von denen ein kurzer zweiter Schenkel (48) den Vorsprung (24) übergreift, ein die Schenkel (44, 48) verbindender Steg (50) über eine Schraubverbindung (52) mit dem Vorsprung (24) verbindbar ist, wobei die Haltebügel (44) und die Matrizenscheibe (10) so ausgebildet sind, daß bei einem Festziehen der Schraubverbindung (52) der lange Schenkel (44) axial gegen den Ring (36) in Richtung Matrize (16) gepreßt wird.
- Werkzeuganordnung nach Anspruch 1, dadurch gekennzeichnet, daß eine konisch geformte erste Fläche in einer Nut (54) der Matrizenscheibe (10) ausgebildet ist, in welcher der lange Schenkel (46) eingreift.
- Werkzeuganordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß eine schräge Oberseite (42) des Vorsprungs (24) mit dem kurzen Schenkel (48) zusammenwirkt.
- Werkzeuganordnung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der über den Vorsprung (24) nach unten überstehende Abschnitt des Ringes (36) Ausnehmungen aufweist, in welche die langen Schenkel (46) eingreifen.
- Werkzeuganordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Querstift (34) im Querschnitt ein längliches Rechteck aufweist und hochkant im Ring (36) und im Durchgang (40) des Mittelstifts (32) angeordnet ist.
- Werkzeuganordnung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Matrizenscheibe (10) unterhalb des Vorsprungs (24) eine radiale Ausnehmung (58) aufweist, in der der Unterstempel (14) frei liegt und die nach unten durch einen weiteren Führungsabschnitt (22) für den Unterstempel (14) begrenzt ist und die Matrizenscheibe (10) eine radiale Bohrung (64) aufweist für den Hindurchtritt von Blasluft.
- Werkzeuganordnung nach Anspruch 6, dadurch gekennzeichnet, daß die radiale Bohrung (64) am unteren Ende der Ausnehmung (58) der Matrizenscheibe (10) angeordnet ist.
- Werkzeuganordnung nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß zwischen dem unteren Führungsabschnitt (22) und dem Unterstempel (14) eine Dichtmanschette (60) angeordnet ist.
- Werkzeuganordnung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Unterstempel (14) aus einem Stempelhalter (20) und einem Stempeleinsatz (26) bestehen und der axiale Schlitz (40) im Stempelhalter (20) vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19926934A DE19926934C2 (de) | 1999-06-14 | 1999-06-14 | Werkzeuganordnung zur Herstellung von ringförmigen Preßlingen mit Hilfe einer Rundläuferpresse |
DE19926934 | 1999-06-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1060873A2 true EP1060873A2 (de) | 2000-12-20 |
EP1060873A3 EP1060873A3 (de) | 2001-01-10 |
EP1060873B1 EP1060873B1 (de) | 2005-06-29 |
Family
ID=7911094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00111465A Expired - Lifetime EP1060873B1 (de) | 1999-06-14 | 2000-05-27 | Werkzeuganordnung zur Herstellung von ringförmigen Presslingen mit Hilfe einer Rundläuferpresse |
Country Status (5)
Country | Link |
---|---|
US (1) | US6361306B1 (de) |
EP (1) | EP1060873B1 (de) |
JP (1) | JP3885164B2 (de) |
AT (1) | ATE298663T1 (de) |
DE (2) | DE19926934C2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3521015B1 (de) * | 2003-07-11 | 2023-09-06 | Pilkington Group Limited | Sonnenschutzverglasung |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10024340C2 (de) * | 2000-05-11 | 2002-09-12 | Fette Wilhelm Gmbh | Stempel für Rundlaufpresse |
US20040078422A1 (en) * | 2002-10-17 | 2004-04-22 | Toomey Christopher Newell | Detecting and blocking spoofed Web login pages |
US20070087073A1 (en) * | 2005-08-23 | 2007-04-19 | Chowdhury Tahseen A | Tabletting press |
US9267504B2 (en) | 2010-08-30 | 2016-02-23 | Hicor Technologies, Inc. | Compressor with liquid injection cooling |
US8794941B2 (en) | 2010-08-30 | 2014-08-05 | Oscomp Systems Inc. | Compressor with liquid injection cooling |
US20120093961A1 (en) * | 2010-10-19 | 2012-04-19 | Cheng Uei Precision Industry Co., Ltd. | Mould having movable mold insert |
DE102011101289B4 (de) * | 2011-05-10 | 2013-11-14 | Fette Compacting Gmbh | Stempelanordnung für eine Presse und Presse sowie Rundläuferpresse |
FR3021666B1 (fr) | 2014-05-28 | 2017-12-08 | Eurotab | Tablette multicouches a cavite, dispositif et procede de compaction d'une telle tablette |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE347438C (de) * | 1922-01-20 | Fritz Kilian | Unterstempel fuer umlaufende Formpressen | |
AT257844B (de) * | 1965-02-06 | 1967-10-25 | Vyzk Ustav Mech | Preßwerkzeug für Rotor-Tablettenmaschinen |
DE2651583A1 (de) * | 1976-02-26 | 1977-09-01 | Hermsdorf Keramik Veb | Vorrichtung, insbesondere drehtischpresse, zum trockenpressen von pulverfoermigen werkstoffen |
US4057381A (en) * | 1976-02-04 | 1977-11-08 | Emil Korsch, Spezialfabrik Fur Komprimiermaschinen | Rotary press |
US4352648A (en) * | 1980-12-22 | 1982-10-05 | Toolmakers, Incorporated | Powdered metal press and tooling therefor |
DE29801312U1 (de) * | 1998-01-28 | 1998-03-19 | Wilhelm Fette Gmbh, 21493 Schwarzenbek | Werkzeuganordnung zur Herstellung von ringförmigen Preßlingen mit Hilfe einer Rundläuferpresse |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3404108A1 (de) * | 1984-02-07 | 1985-08-14 | Kilian & Co GmbH, 5000 Köln | Tablettenpresse |
IT1264287B1 (it) * | 1993-12-10 | 1996-09-23 | Ima Spa | Metodo per la compressione di materiale polverizzato o granulare. |
IT233921Y1 (it) * | 1994-01-31 | 2000-02-16 | Ima Spa | Dispositivo di stampaggio perfezionato per macchine comprimitrici per la realizzazione di compresse. |
-
1999
- 1999-06-14 DE DE19926934A patent/DE19926934C2/de not_active Expired - Fee Related
-
2000
- 2000-05-27 EP EP00111465A patent/EP1060873B1/de not_active Expired - Lifetime
- 2000-05-27 AT AT00111465T patent/ATE298663T1/de not_active IP Right Cessation
- 2000-05-27 DE DE50010621T patent/DE50010621D1/de not_active Expired - Lifetime
- 2000-06-06 US US09/588,449 patent/US6361306B1/en not_active Expired - Lifetime
- 2000-06-12 JP JP2000174963A patent/JP3885164B2/ja not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE347438C (de) * | 1922-01-20 | Fritz Kilian | Unterstempel fuer umlaufende Formpressen | |
AT257844B (de) * | 1965-02-06 | 1967-10-25 | Vyzk Ustav Mech | Preßwerkzeug für Rotor-Tablettenmaschinen |
US4057381A (en) * | 1976-02-04 | 1977-11-08 | Emil Korsch, Spezialfabrik Fur Komprimiermaschinen | Rotary press |
DE2651583A1 (de) * | 1976-02-26 | 1977-09-01 | Hermsdorf Keramik Veb | Vorrichtung, insbesondere drehtischpresse, zum trockenpressen von pulverfoermigen werkstoffen |
US4352648A (en) * | 1980-12-22 | 1982-10-05 | Toolmakers, Incorporated | Powdered metal press and tooling therefor |
DE29801312U1 (de) * | 1998-01-28 | 1998-03-19 | Wilhelm Fette Gmbh, 21493 Schwarzenbek | Werkzeuganordnung zur Herstellung von ringförmigen Preßlingen mit Hilfe einer Rundläuferpresse |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3521015B1 (de) * | 2003-07-11 | 2023-09-06 | Pilkington Group Limited | Sonnenschutzverglasung |
Also Published As
Publication number | Publication date |
---|---|
DE19926934C2 (de) | 2002-08-01 |
EP1060873A3 (de) | 2001-01-10 |
DE50010621D1 (de) | 2005-08-04 |
US6361306B1 (en) | 2002-03-26 |
DE19926934A1 (de) | 2001-01-04 |
EP1060873B1 (de) | 2005-06-29 |
JP3885164B2 (ja) | 2007-02-21 |
JP2001047293A (ja) | 2001-02-20 |
ATE298663T1 (de) | 2005-07-15 |
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