WO2014177995A1 - Appareil pour insérer des inserts dans des moules d'une presse à comprimer - Google Patents

Appareil pour insérer des inserts dans des moules d'une presse à comprimer Download PDF

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Publication number
WO2014177995A1
WO2014177995A1 PCT/IB2014/061065 IB2014061065W WO2014177995A1 WO 2014177995 A1 WO2014177995 A1 WO 2014177995A1 IB 2014061065 W IB2014061065 W IB 2014061065W WO 2014177995 A1 WO2014177995 A1 WO 2014177995A1
Authority
WO
WIPO (PCT)
Prior art keywords
inserts
transfer wheel
centring
pockets
over
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.)
Ceased
Application number
PCT/IB2014/061065
Other languages
English (en)
Inventor
Uwe ZIETMANN
Jens Carstens
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.)
KILIAN TABLETING GmbH
Original Assignee
KILIAN TABLETING 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 KILIAN TABLETING GmbH filed Critical KILIAN TABLETING GmbH
Priority to EP14729045.6A priority Critical patent/EP2846992B1/fr
Publication of WO2014177995A1 publication Critical patent/WO2014177995A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B30B11/34—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses for coating articles, e.g. tablets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30—Feeding material to presses

Definitions

  • the invention relates to an apparatus for inserting inserts into dies of a tablet press, said apparatus having a feed device with a transfer wheel which is provided with pockets for receiving singled-out inserts, having an insert unit for taking over inserts from the transfer wheel and for transferring the taken-over inserts into the dies of the tablet press downstream, as well as having means for transferring inserts to the pockets of the transfer wheel.
  • An apparatus of this type is used in the case of tablet presses by means of which single-layer or multi-layered tablets are produced which include a core, a so-called insert, in their interior. Said cores or inserts, in this case, have to be supplied individually and in a centred manner to a die of the tablet press, after said die has already been filled in part with powder, from which the tablet is pressed.
  • the inserts are separated into singles initially for this purpose from a certain quantity by means of a feed device by, in each case, one single insert being moved in each case into one of several pockets which are situated on the circumference of a transfer wheel.
  • the inserts are inserted into the pockets by means of a mechanism for separating the cores into singles.
  • the known apparatus cannot be used in this form for the purpose of processing small microchips as inserts which, according to more recent technical developments, can also be pressed as cores into tablets and, after consumption of the corresponding tablet by the patient, serve as an aid for remote diagnosis.
  • These types of sensors which are described, for example, in the journal 'VDI news, 21 st September 2012, No. 38, Page 3', are usually packaged in strip-shaped supply ribbons, from which they then have to be removed and supplied for further processing. The processing of such strip-shaped supply ribbons is not possible using the known apparatus and it is the object of the invention to take remedial action in this respect.
  • the inserts are supplied to the apparatus by means of at least one strip-shaped supply ribbon and the means for transferring inserts to the transfer wheel comprise at least one gripper which is movable back and forth between a take-over position at the supply ribbon and a transfer position at a pocket of the transfer wheel.
  • the means for transferring inserts include at least two grippers which , in a synchronous or alternating manner , take over inserts from the supply ribbon and transfer them into different pockets on the transfer wheel, as a result of which the apparatus according to the invention is able to make the inserts available sufficiently quickly even for a high-speed tablet press.
  • Each gripper is preferably provided in each case with a suction pipette by way of which the insert to be transferred can be sucked up and is held whilst the transfer movement is carried out.
  • the suction pipette can also be actable upon with compressed air such that the insert transferred to the transfer position is able to be ejected in a targeted manner into the pocket provided for it by means of a blast of compressed air.
  • the supply ribbon can be conveyed from a supply roll to the take-over position by means of a ribbon conveying device which preferably operates in a clocked manner. It is additionally advantageous when at least two supply rolls with supply ribbons carrying inserts are provided with associated ribbon conveying devices which are activatable one after another for supplying inserts to the take-over position.
  • the apparatus can continue to operate without interruptions when a first supply roll of supply ribbon comes to the end, for then the ribbon conveying device for the supply ribbon of the second supply roll can be activated and the inserts are then removed out of said second supply ribbon, whilst the first supply roll is exchanged for a new, full roll.
  • a comminution device for the supply ribbon which has been emptied of inserts is provided behind the take-over position in the conveying direction of each supply ribbon.
  • Said comminution device comprises, for example, at least one cutting blade and one collecting container for ribbon portions which have been cut off by the cutting blade.
  • the transfer wheel can have associated therewith an air flow centring device which corrects the position of the inserts in the pockets and can extend over a circumferential portion of the transfer wheel and be provided with a compressed air connection and/or a negative pressure connection in order to generate an air flow which cent r es the inserts in the pockets which are acted upon.
  • the insert unit preferably comprises a rotating gripper star which is synchronized with the transfer wheel and has several gripper pipettes which are provided with suction holder heads which can be moved up and down whilst the gripper star rotates.
  • the gripper star preferably has associated therewith a centring device for aligning inserts which have been taken over out of the pockets of the transfer wheel by the suction holder heads , which centring device can comprise a centring disc which rotates with the gripper star and has centring openings, the number and position of which are adapted to the suction holder heads, the size of which openings is adapted to the size of the inserts, the suction holder heads, when moving up and down, conveying the taken-over inserts at least a little further into or through the centring openings. During said movement through the centring openings the inserts are aligned precisely by said centring openings.
  • the movement up and down of the suction holder heads can be controlled in a preferred manner by cams and/or pressure rollers.
  • the arrangement is such that, during or at the end of a first downward movement, the suction holder heads in each case suck up one insert which is situated in a pocket on the transfer wheel and hold it as a result of negative pressure and during a following upward movement insert it into the associated centring opening or move it through said centring opening and during or at the end of a second downward movement transfer it into a die of the tablet press.
  • the centring openings preferably comprise a conically tapering centring wall.
  • Fig. 1 shows a perspective representation of an overall view of an apparatus according to the invention
  • Fig. 2 shows a perspective view obliquely from above of a detail of the apparatus according to Fig. 1 in the region of a device for transferring inserts to the transfer wheel;
  • Fig. 3 shows an enlarged representation in perspective of the transfer wheel of the apparatus according to Fig. 1;
  • Fig. 4 shows an enlarged representation in perspective of the insert unit of the apparatus according to Fig. 1;
  • Fig. 5 shows a cutout of the insert unit according to Fig. 4 in the region of a centring station
  • Fig. 6 shows a side view and partial section of an individual gripper pipette of the insert unit according to Fig. 4 and 5.
  • the apparatus designated overall by the reference 10 in Fig. 1 serves for the purpose of inserting very small microchips as inserts (cores) into the dies of a tablet press, by means of which the so-called 'intelligent pills' are to be produced.
  • Tablets with microchips located therein which can only be 1 mm 2 in size and 0.45 mm thick, can transmit a signal to a receiver outside the body of the patient confirming that the patient has consumed the tablet including the time at which it was consumed and, as a result, makes a monitoring process possible.
  • the invention is not only suitable, however, for processing microchips of this kind, but is also suitable in general for the production of tablets which are provided with a core or insert in their interior.
  • the apparatus 10 comprises a feed device 11 with a transfer wheel 12 which is provided with pockets 13 which, in each case, serve for receiving one single microchip/insert 14. Downstream of the transfer wheel 12 is an insert unit 15, by means of which the inserts 14 are taken over from the transfer wheel 12 and transferred into the dies 16 of a tablet press connected downstream, of which just the die unit 17 with the die disc 18 is shown in the drawing for reasons of clarity, in the dies 16 of which tablet press the tablets are pressed from powder by means of punches (not shown) that can be moved up and down, as is known and is not to be explained here in any more detail.
  • the apparatus 10 is provided with means for transferring inserts to the pockets of the transfer wheel in the form of a taper unit which is designated overall by the reference 19.
  • the taper unit 19 has a framework 20 with two receiving means 21, on which in each case a reel 22 with a supply ribbon 23 wound thereon is received so as to be exchangeable.
  • the microchip inserts 14 are stored in the supply ribbon 23 in ribbon pockets (not visible) underneath a protective foil 24.
  • the taper unit 19 has two ribbon removal devices 26 which convey the ribbons from the two reels 22 optionally to a take-over position 25 and are arranged on the top of the framework 20.
  • Each of the two ribbon removal devices 26 has associated therewith a take-up reel 27, by means of which, directly prior to the take-over position 25, the protective foil 24 is removed from the supply ribbon just processed and wound on in order, as a result, to open the ribbon pockets located in the supply ribbon and to expose the inserts 14 received therein.
  • the taper unit 19 is provided with two grippers 28, by means of which two inserts from the just processed supply ribbon 23 are taken over either synchronously or one after the other at short intervals from the supply ribbon 23 at the take-over position 25 and by pivoting their gripper arm 29 are transferred to transfer positions 30 which are situated above the transfer wheel 12 on the graduated circle of the pockets 13 arranged therein , such that each gripper is able to insert an insert that it holds precisely into one of the pockets on the transfer wheel, when said pockets move past below the gripper arm pivoted to the transfer position.
  • Each of the grippers 28 is provided in each case with a suction pipette (not shown in any more detail), by way of which one insert in each case can always be sucked up from the supply ribbon in the take-over position 25 and by means of which the insert is held securely during the conveying movement from the take-over position to the transfer position.
  • the suction pipette can be actable upon with compressed air, by means of which a short blast of compressed air at the desired moment suddenly eliminates the negative pressure, by means of which the insert is taken over from the supply ribbon and held during conveying.
  • the two grippers 28 take over one insert in each case out of one and the same supply ribbon 23, whilst the second supply ribbon (on the left in Fig. 2) is situated in a waiting position.
  • the first supply ribbon on the right in Fig. 2 nears its end, a switchover is made to removal of the inserts from the second supply ribbon which feeds from the left, the reel 22 at the right-hand receiving means 21 of the framework can then be exchanged for a new reel.
  • a comminution device which is arranged on the taper unit 19 in the region of the take-over position in the direction of movement of the supply ribbon directly behind the two grippers and by means of which the supply ribbon 23, which is emptied once the inserts have been taken over, is cut into short ribbon portions which are then transferred to a collecting container provided below the ribbon removal devices.
  • the comminution machine has, for this purpose, at least one cutting blade which cuts said supply ribbon in a clocked manner into ribbon portions which are preferably uniform in size in a manner which is synchronized with the feed rate for the supply ribbon.
  • the transfer wheel 12 in Fig. 3, it can be seen that at the transfer position 30 the microchips 14 are initially transferred into the pockets 13 in a non-centred position.
  • the pockets 13 in the transfer wheel 12 have larger dimensions than the inserts 14 in order to ensure that the inserts are also deposited by the grippers in each case in a precise manner into a pocket and do not end up lying next to a pocket.
  • an air flow centring device 31 is provided behind the transfer position 30 in the direction of rotation 32, said air flow centring device consisting of a lower centring segment 33 and an upper centring segment 34.
  • the lower centring segment is provided with a vacuum connection 35 and on its top side which abuts sealingly against the bottom side of the transfer wheel 12 is equipped with an arcuate negative pressure channel 36 which lies on the graduated circle of the pockets 13 and is connected to the vacuum connection 35.
  • the upper centring segment has several air connections 37 in the form of bores which penetrate the upper centring segment from top to bottom.
  • the pockets 13 in the transfer wheel 12 taper rearward somewhat in the direction of rotation 32 of the transfer wheel and in each case comprise at the rear end 38 a small bore 39, the dimension of which in every case is smaller than that of the insert 14 received in the pocket.
  • the insert unit 15 which is shown in more detail in Fig. 4 to 6, is situated behind the transfer wheel 12 in the direction of movement of the microchips/inserts 14.
  • the insert unit 15 has a gripper star 45, which is synchronized with the transfer wheel 13, rotates in the opposite direction of rotation and includes several gripper pipettes 46 which are provided in each case on their radially outer ends with a suction holder head 47.
  • the design and the method of operation of the gripper pipettes 46 with their suction holder heads 47 is similar to the case of the grippers 28 which remove inserts out of one of the supply ribbons 23 and transfer them to the transfer wheel 12.
  • Each of the suction holder heads 47 is provided with an air connection 48, by means of which a negative pressure can be generated at the suction holder head.
  • the gripper pipette with the suction holder head is situated at the radially outer end of a pipette holder 49 which is moved down or up by pressure rollers 50, 51, 52 at various positions during the rotation of the gripper star.
  • the pressure roller 50 in this case, is situated in the region of a take-over station 53, at which one insert, by means of the gripper pipette moving past below the pressure roller 50, is taken over out of a pocket of the transfer wheel 12 which rotates below said pressure roller.
  • the relevant gripper pipette is deflected downward by the pressure roller 50 which presses from above against the pipette holder 49 thereof , such that the suction holder head 47 sucks up the insert in the pocket of the transfer wheel moving past below it and is able to remove it when the pressure roller 50 leaves the transfer wheel.
  • the relevant gripper pipette 46 then passes into the region of a centring station, in which the pipette holder 49 is acted upon downward by the pressure roller 51 and as a result is moved upward.
  • a centring disc 54 which is provided with a plurality of centring openings 55, the number and position of which is adapted to the suction holder heads, rotates with the gripper star.
  • the size of the centring openings 55 is adapted to the size of the inserts, which, when the pipette holders are raised by the pressure roller 51, are moved upward by the suction holder heads through the centring openings which are located directly under them and are centered during said upward movement by the edge of the centring openings.
  • the centring openings have a centring wall which tapers upward in a conical manner and can be seen in Fig. 5 and 6 with the reference 58.
  • the pipette holders of the gripper star pass to a delivery station 60, where, by means of a further pressure roller 52, they are moved downward again above the dies 16 of the die disc 18 which are then moving past below them and the inserts situated at the suction holder heads 27, by means of a blast of compressed air introduced through the air connection 48, are ejected in a targeted manner into the die moving past below them, in which part of the powder for the tablet in which the insert is to be embedded is then already situated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

L'appareil (10) selon l'invention sert à insérer des insertions (14) dans des matrices (16) d'une presse à comprimer. Ledit appareil comporte un dispositif d'alimentation (11) présentant une roue de transfert (12) qui est munie de poches (13) pour recevoir des insertions séparées et, en outre, une unité d'insertion (15) pour prendre des insertions de la roue de transfert et les transférer dans les matrices de la presse à comprimer en aval. De plus, des moyens (19) servant à transférer les insertions aux poches de la roue de transfert sont fournis et, selon l'invention, il est proposé que les insertions soient distribuées à l'appareil au moyen d'au moins un ruban d'alimentation en forme de bande (23) et que les moyens servant à transférer les insertions à la roue de transfert comportent au moins une pince (28) qui peut avancer et reculer entre une position de prise (25) près du ruban d'alimentation et une position de transfert (30) près d'une poche de la roue de transfert.
PCT/IB2014/061065 2013-04-29 2014-04-28 Appareil pour insérer des inserts dans des moules d'une presse à comprimer Ceased WO2014177995A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14729045.6A EP2846992B1 (fr) 2013-04-29 2014-04-28 Appareil pour insérer des inserts dans des moules d'une presse à comprimer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013104344.5A DE102013104344B4 (de) 2013-04-29 2013-04-29 Vorrichtung zum Einlegen von Einlegern in Matrizen einer Tablettenpresse
DE102013104344.5 2013-04-29

Publications (1)

Publication Number Publication Date
WO2014177995A1 true WO2014177995A1 (fr) 2014-11-06

Family

ID=50897668

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/061065 Ceased WO2014177995A1 (fr) 2013-04-29 2014-04-28 Appareil pour insérer des inserts dans des moules d'une presse à comprimer

Country Status (3)

Country Link
EP (1) EP2846992B1 (fr)
DE (1) DE102013104344B4 (fr)
WO (1) WO2014177995A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3599087A1 (fr) * 2018-07-25 2020-01-29 Korsch AG Dispositif de fourniture des inserts à une machine à fabriquer des comprimés ainsi que procédé de fabrication d'un comprimé comportant un insert
CN112549627B (zh) * 2020-11-24 2023-03-24 柳州广菱汽车技术有限公司 模具设备的取放件装置及模具设备
JP2025517200A (ja) 2022-05-18 2025-06-03 コルシュ アーゲー 少なくとも１つの対象物を打錠機の少なくとも１つのダイに挿入するための装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836299A (en) * 1973-08-13 1974-09-17 Fmc Corp Press for forming one-piece tablet containing seeds or the like
JPS59120399A (ja) * 1982-12-27 1984-07-11 Kikusui Seisakusho:Kk 回転式有核錠剤機における核のセンタリング装置
JPS59144598A (ja) * 1983-02-03 1984-08-18 Hata Tekkosho:Kk 回転式粉末成形機の物品供給装置
EP0349777A1 (fr) * 1988-06-08 1990-01-10 Korsch Maschinenfabrik Presse pour enrober des noyaux
EP2110232A2 (fr) 2008-04-18 2009-10-21 Korsch AG Procédé et dispositif d'insertion d'inserts dans des matrices d'une presse rotative pour comprimés

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH057097A (ja) * 1991-06-27 1993-01-14 Tenryu Technic:Kk チツプマウンタのチツプ部品供給装置
DE19510230C2 (de) * 1995-03-24 1999-08-05 Michael Geringer Transfervorrichtung für elektrische Bauelemente, insbesondere Chips
DE10061756A1 (de) * 2000-12-12 2002-07-04 Siemens Production & Logistics Verfahren und Vorrichtung zum Entnehmen von Bestückelementen
DE10109009C2 (de) * 2001-02-23 2003-12-18 Geringer Michael Bonder
US8353424B2 (en) * 2009-01-27 2013-01-15 Hitachi High-Tech Instruments Co., Ltd. Component feeder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836299A (en) * 1973-08-13 1974-09-17 Fmc Corp Press for forming one-piece tablet containing seeds or the like
JPS59120399A (ja) * 1982-12-27 1984-07-11 Kikusui Seisakusho:Kk 回転式有核錠剤機における核のセンタリング装置
JPS59144598A (ja) * 1983-02-03 1984-08-18 Hata Tekkosho:Kk 回転式粉末成形機の物品供給装置
EP0349777A1 (fr) * 1988-06-08 1990-01-10 Korsch Maschinenfabrik Presse pour enrober des noyaux
EP2110232A2 (fr) 2008-04-18 2009-10-21 Korsch AG Procédé et dispositif d'insertion d'inserts dans des matrices d'une presse rotative pour comprimés

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VDI NEWS, 21 September 2012 (2012-09-21), pages 3

Also Published As

Publication number Publication date
DE102013104344A1 (de) 2014-10-30
EP2846992A1 (fr) 2015-03-18
DE102013104344B4 (de) 2015-07-09
EP2846992B1 (fr) 2022-06-29

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