EP0856394B1 - Unité comportant des rouleaux de pressage - Google Patents

Unité comportant des rouleaux de pressage Download PDF

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Publication number
EP0856394B1
EP0856394B1 EP98250014A EP98250014A EP0856394B1 EP 0856394 B1 EP0856394 B1 EP 0856394B1 EP 98250014 A EP98250014 A EP 98250014A EP 98250014 A EP98250014 A EP 98250014A EP 0856394 B1 EP0856394 B1 EP 0856394B1
Authority
EP
European Patent Office
Prior art keywords
pressure roller
guide pillar
roller unit
unit according
spindle
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.)
Expired - Lifetime
Application number
EP98250014A
Other languages
German (de)
English (en)
Other versions
EP0856394A3 (fr
EP0856394A2 (fr
Inventor
Michael Matthes
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 AG
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 AG filed Critical Korsch AG
Publication of EP0856394A2 publication Critical patent/EP0856394A2/fr
Publication of EP0856394A3 publication Critical patent/EP0856394A3/fr
Application granted granted Critical
Publication of EP0856394B1 publication Critical patent/EP0856394B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a pressure roller unit for rotary presses, in particular for the production of tablets, with a lockable on the rotary press frame and with two adjustable on this, the pressure rollers receiving bearing blocks.
  • Such pressure roller units are used in concentric presses, which consist of a frame, a rotor with drive, upper and lower wings, the upper and lower pressure rollers, a frame housing, corner connectors and a top plate.
  • the forces occurring in the pressing process are introduced directly through the punch and the wings in the top plate and the frame and excite these membrane-like components by the pressing forces to vibrations, which thus lead to significant noise emissions.
  • a pressure roller unit of the generic type is previously known from US-PS 3,891,375.
  • the frame consists of upper and lower cross beams, which are connected by vertical struts, and two columns arranged between them, on which the bearing blocks of the pressure rollers are slidable.
  • the frame is pivotally mounted in the press frame about a vertical axis and forms a part of the press housing in the closed position.
  • the frame can be pivoted from its working position by about 90 ° in the open position, wherein the drive of the pressure rollers is uncoupled and the pressure rollers come out of engagement with the upper and lower tamping.
  • the bearing block for the upper pressure roller is connected by means of an adjustable spacer with the upper cross member.
  • the spacer is used to set the immersion depth of the upper punches in the dies of the die plate.
  • the lower pressure roller bearing block is connected via a shaft to a hydraulic adjuster which acts on the lower pressure roller to adjust the thickness of the tray.
  • the disadvantage is that the Preßkraftverlauf goes over the press frame and that the storage of the bearing blocks for the pressure rollers on the two vertical columns and the frame pivotable in the press frame is soft and yielding, so that the known pressure roller unit can be used only for low compression forces.
  • the invention is therefore based on the object to improve the pressure roller unit of the generic type.
  • the frame is formed of a guide column and the bearing blocks are guided on guided by the guide column, mutually adjustable upper and lower pressure roller seats and the pressure roller receptacles are mounted in the guide column.
  • the guide column can be made extremely stable, with a Preßkraftverlauf is avoided on the machine frame.
  • the upper and lower pressure roller receptacles can be adjusted not only independently, but also with each other, thus enabling a parallel adjustment of both pressure roller seats with a fixed distance to each other a Preßzonenver ein or setting the lower pressure roller recording relative to the upper pressure roller receiving a web height adjustment for adjusting the tablet thickness.
  • the guide column and the pressure roller receptacles are cylindrical. This thus simultaneously forms the housing of the pressure roller unit.
  • the upper pressure roller receptacle are provided with a force acting on the guide column upper adjustment and the lower pressure roller receptacle with a mounted in the upper pressure roller receiving and acting on this lower adjustment.
  • the guide column is on a frame plate the rotary press standing vertically and by means of an adjustable adjustable and lockable stored.
  • This design and arrangement of the pressure roller unit is possible because the compressive forces of both pressure rollers are taken up exclusively by the guide column and thus this can be arranged as free on a solid, bending and torsion-resistant frame plate of the rotary press stationary component.
  • the pressure roller unit for rotary tablet presses consists of a solid cylindrical cross-section, solid guide column 1, in the cylindrical interior of a likewise cylindrical and hollow upper pressure roller receptacle 2 and a cylindrical and hollow internally formed lower pressure roller receptacle 3 are slidably mounted, the upper and lower pressure roller receptacle , 3 are also solid and sturdy.
  • the adjusting drive 4 for the upper pressure roller 40 and in the middle region of the guide column 1 of the adjustment drive 5 for the lower pressure roller 50 are arranged.
  • the upper adjustment drive 4 is used to adjust the upper pressure roller 40 and thus the immersion depth of the acted upon by the upper pressure roller 40 upper punch 56 and the common, i. parallel adjustment of upper and lower pressure rollers 40 and 50 at a fixed distance and thus for Preßzonenver ein.
  • the adjustment drive 5 for the lower pressure roller 50 is used to adjust the tablet thickness relative to the upper pressure roller 40th
  • the upper adjusting drive 4 shown in Fig. 2 in an enlarged view comprises one of the guide column 1 upwards final cover 42 enclosed gear motor 6 with gear housing 36 and output shaft 37, and a non-positively connected, cup-shaped spindle 7, the outer teeth 66 with the Internal teeth 67 of a fixed in the cylindrical upper pressure roller seat 2 spindle nut 12 meshes.
  • the geared motor 6 and the gear housing 36 are at the upper end of the guide column 1 two discs 8, 9 screwed, wherein the disc 9 carries the gear motor 6 and the gear housing 36 and between the two discs 8.9 of the outer bearing ring of a bearing 10 is clamped, the inner bearing ring the upper peripheral edge of the cup-shaped spindle 7 receives, which is thus freely rotatable relative to the discs 8.9 and the inside enclosed transmission housing 36.
  • the spindle nut 12 is screwed to a flange 11, which in turn is bolted to the top of the cylindrical, upper pressure roller receptacle 2.
  • the sliding means 68 in the inner cylindrical bore 81 of the guide column 1 slidable, also hollow cylindrical upper pressure roller receptacle 2 can thus be moved vertically adjustable by operating the geared motor 6 and cooperation of rotatable spindle 7 and fixed spindle nut 12 within the guide column.
  • the upper pressure roller receptacle 2 has on the left in Figures 1 and 2, a passage opening 38 in which the solid bearing block 20 is mounted for the upper pressure roller 40, whose illustrated in Fig. 1 right end by means of a screw 39 in an inner Countersunk 69 is inserted on the inside of the cylindrical upper pressure roller receptacle 2.
  • a mounting opening 43 is provided within the cylindrical guide column 1, which is closed by a plug 70.
  • the pressure roller axle 20 carries on the left in Figure 1 outside of the guide column 1 acting on the upper punch 56 upper pressure roller 40 with pressure roller bearing 41 of two angular contact ball bearings 71.
  • the pressure roller axis 20 of the upper pressure roller 40 has a bore 35 for manual adjustment.
  • the illustrated in Fig. 3 enlarged adjustment 5 for the lower pressure roller 50 includes a geared motor 13 with gear housing 14 which is mounted in the gearbox 16, which in turn is mounted in an axially longer receiving sleeve 15, wherein gearbox 16 and receiving sleeve 15 in the lower region of upper pressure roller receptacle 2 are screwed by means of screws 74.
  • the receiving sleeve 15 dives with its outer circumference freely in the upper end of the lower pressure roller receptacle 3, which is formed as well as the upper pressure roller receptacle 2 a hollow cylinder.
  • the drive shaft 45 of the transmission 13 formed from the geared motor gearbox 14 and engages by a clutch disc 75 which rests on the upper bearing ring of a ball bearing 44, in a spindle 18 whose outer teeth 76 with the internal teeth of a fixedly mounted by means of screws 46 in the lower pressure roller seat 3 spindle nut 17 combs.
  • the adjusting drive 5 shown in FIG. 3 can thus under operation of the geared motor 13, the cylindrical, lower pressure roller receiving 3, as the upper pressure roller receptacle 2 in the inner bore 81 of the guide column 1 by means of anti-slip elements 68th is slidably mounted, vertically slidably and adjustably moved within the guide column 1. This adjusting movement serves for web height adjustment or for adjusting the tablet thickness relative to the upper pressure roller 40.
  • compression springs 19 are inserted between the upper pressure roller receptacle 2 and the lower pressure roller receptacle 3.
  • a passage opening 78 in the lower pressure roller seat 3 of the pressure roller axis 20 for the lower pressure roller 50 is used in a passage opening 78 in the lower pressure roller seat 3 of the pressure roller axis 20 for the lower pressure roller 50, the illustrated in Fig. 1 right end is in turn clamped by a screw 39 in a recess 69 on the inside of the lower pressure roller receptacle 3 , wherein an associated mounting opening 43 is closed by means of a plug 70.
  • the lower pressure roller 50 is mounted by means of a pressure roller bearing 41 formed from angular contact bearings 41 on the associated pressure roller axis 20 and sealed by a sealing ring 72. The lower pressure roller 50 cooperates with the lower punches 56.
  • the pressure roller unit shown in Fig. 1 is mounted vertically standing with its guide column 1 on a solid base plate 29 of the rotary tablet press and movable by means of the horizontally operating adjusting 79, which is shown in Fig. 4 in an enlarged view.
  • a frusto-conical mounting flange 22 within the lower end of the guide column 1 is a frusto-conical mounting flange 22 by means of three circumferentially distributed ring segments 23 and further ring members 49th established.
  • a tie rod 21 is screwed within the central axis 73 of the guide column 1, which penetrates a neck projection 48 at the lower end of the frusto-conical mounting flange 22 which is movable within a slot 47 which is inserted into the solid base plate 29 of the rotary tablet press.
  • the tie rod 21 is penetrated below the base plate 29 by a wedge 24 within the stop ring 26, wherein the stop ring 26 is held by means of a Kalotten Culturees 80 from the T-head of the tie rod 21.
  • the wedge 24 is releasably and by means of a spindle 25 can be pulled, which is at the free end in a vertical bolt 53 rotatably and horizontally immovable, which is inserted into a vertical blind bore 52 on the underside of the base plate 29.
  • the spindle 25 has a spindle head 51 on its front side. It is connected to a tension rod 21 acting on pressure piece 27 via a compression spring 28.
  • the spindle 25 is rotated in the opposite direction by means of the spindle head 51, relieves the compression spring 28 and the wedge 24 moved out of the stop ring 26 by a small area, so that the guide column 1 of its fixed tension on the base plate 29th is released and can be pulled under further actuation of the spindle 25 in Fig. 4 to the right.
  • Fig. 5 shows a view of the entire rotary tablet press, in which the guide column 1 and the upper and lower pressure rollers 40 and 50 comprehensive pressure roller unit is placed on the base plate 29.
  • the upper and lower punches 56 and 57 are engaged with matrices, not shown, of the die plate 55.
  • the punch heads 58 and 59 are applied during rotation of the die plate 55 of the rotor 30 of the upper and lower pressure rollers 40 and 50 respectively.
  • the drive of the rotor 30 via a drive motor 54, a toothed belt 31 and two pulleys 60 and 61 and a clamping plate 62.
  • the pressure roller unit 1, the rotor 30 and the drive motor 54 receiving massive base plate 29 is by means of several antifriction bearing 32 on the base frame 33 of the rotary tablet press stored, with frame legs 34 carry the rotary tablet press at the installation.
  • the rotary tablet press further comprises non-load-bearing frame parts 63, 64 and 65, which serve to receive the machine control or the encapsulation of rotor 30 and pressure roller unit 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Glanulating (AREA)
  • Medicinal Preparation (AREA)

Claims (7)

  1. Unité à rouleaux presseurs pour presse rotative, en particulier pour la fabrication de comprimés, comprenant un cadre susceptible d'être arrêté sur la presse rotative et deux blocs de palier (20, 20) montés réglables sur ce cadre et recevant les rouleaux presseurs (40, 50),
    caractérisée en ce que le cadre est formé par une colonne de guidage (1) et les blocs de palier (20) sont agencés sur des éléments de réception (2, 3) supérieur et inférieur pour rouleaux presseurs, guidés par la colonne de guidage (1) et réglables l'un par rapport à l'autre, et les éléments de réception (2, 3) pour rouleaux presseurs sont montés dans la colonne de guidage (1).
  2. Unité à rouleaux presseurs selon la revendication 1, caractérisée en ce que la colonne de guidage (1) et les éléments de réception (2, 3) pour rouleaux de guidage sont réalisés cylindriques.
  3. Unité à rouleaux presseurs selon la revendication 1 ou 2, caractérisée en ce que l'élément de réception supérieur (2) pour rouleaux presseurs est pourvu d'un entraînement de réglage supérieur (4) qui attaque la colonne de guidage (1), et l'élément de réception inférieur (3) pour rouleaux presseurs est pourvu d'un entraînement de réglage inférieur (5) monté dans l'élément de réception supérieur (2) pour rouleaux presseurs et attaquant celui-ci.
  4. Unité à rouleaux presseurs selon la revendication 3, caractérisée en ce que l'entraînement de réglage supérieur (4) comprend un groupe moto-réducteur (6) avec un boîtier de transmission (36) et un arbre mené (37), ainsi qu'une broche (7) en forme de godet reliée audit arbre par coopération de forces, broche dont la denture extérieure (6) engrène avec la denture intérieure (67) d'un écrou à broche (12) immobilisé dans l'élément de réception supérieur cylindrique (2) pour rouleaux presseurs.
  5. Unité à rouleaux presseurs selon la revendication 3, caractérisée en ce que l'entraînement de réglage inférieur (5) comprend un groupe moto-réducteur avec boîtier (14) et arbre menant (45), et une broche (18) entraînée par ce dernier, broche dont la denture extérieure (76) engrène avec la denture intérieure d'un écrou à broche (17) immobilisé dans l'élément de réception inférieur (3) pour rouleaux presseurs.
  6. Unité à rouleaux presseurs selon l'une des revendications 1 à 5, caractérisée en ce que la colonne de guidage (1) est montée debout verticalement sur une plaque de base (29) de la presse rotative, et est susceptible d'être réglée et arrêtée au moyen d'un entraînement de réglage (79).
  7. Unité à rouleaux presseurs selon la revendication 6, caractérisée en ce que l'entraînement de réglage (79) pour la colonne de guidage (1) comprend une bride de fixation (22) immobilisée à l'intérieur de l'extrémité inférieure de la colonne de guidage (1) et dotée d'un tirant d'ancrage (21) vissé, lequel est traversé au-dessous de la plaque de base (29) par un coin (24) qui est réalisé de manière à pouvoir être libéré au moyen d'une broche (25) et à pouvoir être tiré.
EP98250014A 1997-01-31 1998-01-19 Unité comportant des rouleaux de pressage Expired - Lifetime EP0856394B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19705092 1997-01-31
DE19705092A DE19705092C1 (de) 1997-01-31 1997-01-31 Druckrolleneinheit für Rundlaufpressen

Publications (3)

Publication Number Publication Date
EP0856394A2 EP0856394A2 (fr) 1998-08-05
EP0856394A3 EP0856394A3 (fr) 1998-12-30
EP0856394B1 true EP0856394B1 (fr) 2006-12-06

Family

ID=7819863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98250014A Expired - Lifetime EP0856394B1 (fr) 1997-01-31 1998-01-19 Unité comportant des rouleaux de pressage

Country Status (5)

Country Link
US (1) US6186762B1 (fr)
EP (1) EP0856394B1 (fr)
JP (1) JP3846992B2 (fr)
DE (2) DE19705092C1 (fr)
ES (1) ES2277374T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021083929A1 (fr) 2019-10-30 2021-05-06 Korsch Ag Station de rouleaux de pression pour presses rotatives ayant des logements d'axe externes pour des unités de rouleau de pression

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19920379C2 (de) * 1999-05-04 2001-04-19 Fette Wilhelm Gmbh Rundlauf-Tablettiermaschine
US6761554B2 (en) * 2001-06-25 2004-07-13 Leraj, Inc. Rotary tableting press
DE20205508U1 (de) * 2002-04-09 2002-07-04 KILIAN GmbH & Co. KG, 50735 Köln Rundlauf-Tablettenpresse mit Stempeldichtungselement und Stempeldichtungselement
EP1445093B1 (fr) * 2003-02-10 2005-05-11 Korsch AG Méthode et dispositif pour le contrôle d'une presse pour comprimés à table rotative
US20050238750A1 (en) * 2004-04-16 2005-10-27 Brown Paul R Bricketting machines
JP5184969B2 (ja) * 2008-05-28 2013-04-17 モリマシナリー株式会社 ロータリプレス
JP5279359B2 (ja) * 2008-06-17 2013-09-04 モリマシナリー株式会社 ロータリプレス
DE102011101286B4 (de) 2011-05-10 2013-10-17 Fette Compacting Gmbh Rundläuferpresse und Verfahren zum Betreiben einer Rundläuferpresse
JP6294975B2 (ja) 2014-05-07 2018-03-14 コルシュ アーゲー 加圧ローラーを組み込む２つの加圧ローラーシャフトを備える、ロータリープレスの加圧ローラーステーション
EP3072675A1 (fr) * 2015-03-27 2016-09-28 Korsch AG Presse rotative dotée d'au moins une station de rouleaux presseurs pouvant être fixée sur une plaque de support et procédé de fixation et de libération de la station de rouleaux presseurs
CN109476108B (zh) * 2016-05-25 2022-02-11 昆特斯技术公司 用于搬运装载物以进行等静压处理的装置和方法
EP3517288B1 (fr) 2018-01-25 2023-04-12 Korsch AG Rail d'accrochage pour une presse à table tournante
ES2863449T3 (es) 2018-01-25 2021-10-11 Korsch Ag Riel de presión inicial ajustable para prensa giratoria que tiene medición integrada de la fuerza de presión inicial

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
DE165401C (fr) *
US839156A (en) * 1904-05-06 1906-12-25 John H Palmer Tablet-making machine.
US1844700A (en) * 1929-12-27 1932-02-09 Francis J Stokes Rotary tablet or briquetting machine
US2997741A (en) * 1959-01-20 1961-08-29 John Holroyd & Company Ltd Rotary compacting machines
DE1933490A1 (de) * 1968-07-11 1970-04-09 Vyzk Ustav Mech Rundlaufpresse
JPS5085661A (fr) * 1973-11-30 1975-07-10
US3891375A (en) * 1974-01-21 1975-06-24 Vector Corp Tablet press
US4168137A (en) * 1978-03-08 1979-09-18 The Upjohn Company Triaxial tablet compressor machine
US5066211A (en) * 1990-03-01 1991-11-19 Nabisco Brands, Inc. Material feed control assembly in a rotary press
DE4018453A1 (de) * 1990-06-08 1991-12-12 Fette Wilhelm Gmbh Tablettiermaschine
JPH0780076B2 (ja) * 1992-04-28 1995-08-30 株式会社菊水製作所 回転式錠剤機の取着ロードセル点検方法
US5686118A (en) * 1995-07-07 1997-11-11 Tris Inc. Apparatus for compressing-forming powder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021083929A1 (fr) 2019-10-30 2021-05-06 Korsch Ag Station de rouleaux de pression pour presses rotatives ayant des logements d'axe externes pour des unités de rouleau de pression

Also Published As

Publication number Publication date
DE19705092C1 (de) 1998-03-26
DE59813835D1 (de) 2007-01-18
US6186762B1 (en) 2001-02-13
ES2277374T3 (es) 2007-07-01
EP0856394A3 (fr) 1998-12-30
JPH10216992A (ja) 1998-08-18
JP3846992B2 (ja) 2006-11-15
EP0856394A2 (fr) 1998-08-05

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