EP2036708A2 - Rotor pour presse rotative pour comprimés - Google Patents

Rotor pour presse rotative pour comprimés Download PDF

Info

Publication number: EP2036708A2
Authority: EP; European Patent Office
Prior art keywords: punch; rotor; guide; heads; holes
Prior art date: 2007-09-13
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

EP08015747A

Other languages

German (de)

English (en)

Other versions

EP2036708B1 (fr

EP2036708A3 (fr

Inventor

Friedrich Meissner

Wolfgang Soltau

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.)

Fette GmbH

Original Assignee

Fette 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.)

2007-09-13

Filing date

2008-09-06

Publication date

2009-03-18

2008-09-06 Application filed by Fette GmbH filed Critical Fette GmbH

2009-03-18 Publication of EP2036708A2 publication Critical patent/EP2036708A2/fr

2011-10-05 Publication of EP2036708A3 publication Critical patent/EP2036708A3/fr

2013-07-31 Application granted granted Critical

2013-07-31 Publication of EP2036708B1 publication Critical patent/EP2036708B1/fr

Status Not-in-force legal-status Critical Current

2028-09-06 Anticipated expiration legal-status Critical

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
- B30B15/04—Frames; Guides
- B30B15/041—Guides
- 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 rotor for a rotary tablet press according to the preamble of patent claim 1.
the typical rotor for a rotary press has a die plate and a lower and an upper punch guide for lower and upper punches, which cooperate with holes in the die plate.
the rotor is driven by a suitable drive motor about a vertical axis, and the powdery material filled into the die bores by a filling device is compressed by the press dies.
the pressing is done in at least one printing station, which has an upper and a lower pressure roller, which cooperate with the heads of the ram.
the ram are guided by suitable punch curves, including ejection of the compacts by the lower punch with the aid of appropriate cams.
Such rotors are out US 5,004,413 .
the invention has for its object to reduce the unfavorable interaction between the pressure roller and the punch head and to increase the same pressure holding time space for the number of pressing stations on the pitch circle, without increasing the equipment cost of a press rotor.
the punches are secured against rotation, ie they are guided exclusively axially in the guide bores.
an axial guidance is known per se.
the punch heads have flats on opposite sides, which are directed towards the adjacent punch heads.
the rotational position of the stamp which is determined by the exclusive axial guidance, thus allows the alignment of the flats on the punch heads to the adjacent punch heads out.
the advantage is achieved that the stamp can be closer together on a pitch circle and thus have a smaller distance from each other. It is therefore possible to arrange more pairs of punches on a pitch circle diameter. This is advantageous in terms of production output, since a larger number of compacts can be produced with the same rotor at the same speed than conventional rotors.
the punch shafts have a keyway and the guide holes contain a feather key or vice versa.
the shanks of the ram have a non-circular profile in cross section and the cross section of the guide holes is complementary.
a rotor 10 of which in Fig. 1 only a section is shown, has an upper punch guide 12 and a lower punch guide 14 and a die plate 16 between the upper and lower punch guide 12, 14.
all parts are a one-piece unit. It goes without saying that it can also be multi-part.
the die plate may consist of individual segments.
the upper punch guide 12 has receiving bores 18, and the lower punch guide 14 has receiving bores 20.
the punch guides 12, 14 lead in pairs upper punch 22 and lower punch 24, which cooperate with die holes 26 of the die plate 16 to compress powdered material in the die holes 26.
FIG. 3 Upper and lower punches 22, 24 and guide bushings 28, 30 are shown.
the pressing dies 22, 24 have a head 32, a shank 34 and a tool section 36. Only the tool portion 36 cooperates with the die bore 26 (hereinafter, only the upper punch 22 is treated, the lower punch 24 in the same way).
the head 32 is substantially standardized in its top. He works in the Figures 1 and 2 Not shown pressure rollers together, which press the upper punch 22 into the die bore 26 against the press material.
the shaft 34 is of non-circular cross-section.
FIG. 4 Cross-sectional shapes are shown by way of example. They show a triangular, a square and a three-section circular cross-section, the transitions are rounded.
the guide bushings 28, 30, which may consist of ceramic material and are glued into the receiving bores 18 and 20 respectively, have a cross-section of the shafts 34 complementary cross-section. The described cross sections therefore determine the rotational position of the punches 22, 24 in the punch guide 12 and 14, respectively.
Each punch 22, 24 or each guide bush 28 and 30 is associated with an upper sealing ring 38 and a lower sealing ring 40.
Fig. 6 At 60, the circumference of a pressure roller is indicated, under which the punch heads 32 are moved along, so that the punches 22 are pressed down into the die holes 26. As is particularly clear from this, the transition of the pressure roller circumference from one punch top to the next is almost uniform, so that only small impacts are generated, which lead to vibrations of the rotor.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Press Drives And Press Lines (AREA)
Powder Metallurgy (AREA)
Manufacture Of Motors, Generators (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

EP08015747.2A 2007-09-13 2008-09-06 Rotor pour presse rotative pour comprimés Not-in-force EP2036708B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102007043582A DE102007043582B3 (de)	2007-09-13	2007-09-13	Rotor für eine Rundlauf-Tablettenpresse

Publications (3)

Publication Number	Publication Date
EP2036708A2 true EP2036708A2 (fr)	2009-03-18
EP2036708A3 EP2036708A3 (fr)	2011-10-05
EP2036708B1 EP2036708B1 (fr)	2013-07-31

Family

ID=39877456

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP08015747.2A Not-in-force EP2036708B1 (fr)	2007-09-13	2008-09-06	Rotor pour presse rotative pour comprimés

Country Status (3)

Country	Link
US (1)	US7824170B2 (fr)
EP (1)	EP2036708B1 (fr)
DE (1)	DE102007043582B3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2466963B (en)	2009-01-16	2011-01-19	Holland Ltd I	A punch
DE102009031367B3 (de)	2009-07-02	2010-09-02	Fette Gmbh	Pressstempel für eine Rundläuferpresse
KR101552018B1 (ko) *	2012-11-07	2015-09-09	오씨아이 주식회사	진공단열재 심재의 성형 장치 및 이를 통해 제조된 진공단열재
DE102016113724B4 (de) *	2016-07-26	2019-01-17	Fette Compacting Gmbh	Stempel für eine Rundläuferpresse

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2068619A (en) *	1935-09-13	1937-01-19	Stokes Machine Co	Tablet-making machine
GB1137032A (en) *	1965-07-28	1968-12-18	United States Borax Chem	Process and apparatus for forming tablets
US4298563A (en) *	1978-10-19	1981-11-03	Ptx-Pentronix, Inc.	Apparatus and method for compacting prismatic or pyramidal articles from powder material
DE8815075U1 (de) *	1988-12-03	1990-04-05	Manesty Machines Ltd., Liverpool, Lancashire	Tablettiermaschine
JPH066147B2 (ja) *	1991-08-08	1994-01-26	株式会社菊水製作所	回転式粉末成形機の杵
DE10159114B4 (de) *	2001-12-01	2004-02-19	Wilhelm Fette Gmbh	Rotor für eine Tablettenpresse
JP3756863B2 (ja) *	2002-09-27	2006-03-15	株式会社菊水製作所	回転式粉末圧縮成形機
DE102004040163C5 (de) *	2004-08-19	2009-06-18	Fette Gmbh	Rundläufertablettenpresse

2007
- 2007-09-13 DE DE102007043582A patent/DE102007043582B3/de not_active Expired - Fee Related
2008
- 2008-09-06 EP EP08015747.2A patent/EP2036708B1/fr not_active Not-in-force
- 2008-09-11 US US12/208,909 patent/US7824170B2/en active Active

Also Published As

Publication number	Publication date
US7824170B2 (en)	2010-11-02
EP2036708B1 (fr)	2013-07-31
US20090252823A1 (en)	2009-10-08
DE102007043582B3 (de)	2008-11-27
EP2036708A3 (fr)	2011-10-05

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Publication	Publication Date	Title
EP0418779B1 (fr)	1994-04-20	Méthode pour manufacture de pièces d'oeuvre par découpage, en particulier dans un outil à contre découpage à précision
DE2363948C2 (de)	1984-05-24	Vorrichtung zum Formpressen schraubenförmiger bzw. schrägverzahnter Zahnräder mit verschiedenen Zahnungen
EP0667197B1 (fr)	1997-10-08	Machine à forger
EP2036708B1 (fr)	2013-07-31	Rotor pour presse rotative pour comprimés
DE3140630C2 (de)	1993-10-28	Spikeplatte und Verfahren zur Herstellung sowie Einrichtung zum Zähnen von Spikeplatten
EP2082867B1 (fr)	2016-01-13	Presse pour comprimés
DE10260110B4 (de)	2005-08-04	Vorrichtung zum Stanzen
EP2036710B1 (fr)	2016-07-20	Rotor pour presse rotative pour comprimés
DE10024340C2 (de)	2002-09-12	Stempel für Rundlaufpresse
WO2015039750A1 (fr)	2015-03-26	Dispositif de découpage par rotation
EP1452301B1 (fr)	2013-07-03	Presse à genouillère
EP3275639B1 (fr)	2021-07-07	Tampon pour une presse rotative
EP1764173B1 (fr)	2010-09-22	Dispositif pour mouler de la poudre par pression
EP1155811A2 (fr)	2001-11-21	Presse pour comprimés à table rotative pour la fabrication de comprimés multicouches
DE102006046147B4 (de)	2010-09-02	Presseneinheit für eine Fertigholzproduktpresse
EP2269813B1 (fr)	2022-10-12	Poinçon de presse pour une presse rotative
AT17818U1 (de)	2023-03-15	Vorrichtung und Verfahren zur Herstellung wenigstens einer taschenförmigen Ausnehmung in einer Möbelplatte zur Aufnahme eines Möbelbeschlages
DE102006046143B4 (de)	2009-04-09	Kombinierte Zeitsteuerungs- und Verkettungsbaueinheit für eine Fertigholzproduktpresse
EP4279257B1 (fr)	2025-07-02	Outil de pastillage
DE102009016781B3 (de)	2010-12-16	Stempel für eine Rundläuferpresse und Vorrichtung zum Montieren und Demontieren von Stempeleinsätzen für Stempel in einer Rundläuferpresse
EP3095534B1 (fr)	2017-11-29	Cintreuse
EP1658962B1 (fr)	2007-09-19	Presse à postes multiples
DE2402190B2 (de)	1977-07-14	Vorrichtung zum biegen von stahlblechen bzw. -platten
DE102016108673A1 (de)	2017-11-16	Presse zum Herstellen von Feinschneidteilen
DE19620597C2 (de)	2001-08-30	Vorrichtung zur Bearbeitung von Lagenmaterial