EP0414652A1 - Verpackungsmaschine zum Füllen von Röhrchen mit Tabletten oder dgl. - Google Patents

Verpackungsmaschine zum Füllen von Röhrchen mit Tabletten oder dgl. Download PDF

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Publication number
EP0414652A1
EP0414652A1 EP90850267A EP90850267A EP0414652A1 EP 0414652 A1 EP0414652 A1 EP 0414652A1 EP 90850267 A EP90850267 A EP 90850267A EP 90850267 A EP90850267 A EP 90850267A EP 0414652 A1 EP0414652 A1 EP 0414652A1
Authority
EP
European Patent Office
Prior art keywords
tube
sleeve
conveyor
packaging machine
product
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
EP90850267A
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English (en)
French (fr)
Other versions
EP0414652B1 (de
Inventor
Charles Gordér
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.)
GORDIC AB
Original Assignee
GORDIC AB
Gordic Trading AB
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
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Application filed by GORDIC AB, Gordic Trading AB filed Critical GORDIC AB
Publication of EP0414652A1 publication Critical patent/EP0414652A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/10—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
    • B65B5/101—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles by gravity
    • B65B5/103—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles by gravity for packaging pills or tablets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/007—Guides or funnels for introducing articles into containers or wrappers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation

Definitions

  • the present invention relates to a packaging machine, more particularly to a machine for packaging substantially discoid products, such as effervescent tablets of various kinds, into tubes.
  • SE-B-7705534-1 discloses a machine for filling tablets into tubes.
  • a distinctive feature of this machine is that it comprises two parallel rotating rolls inclined towards the horizontal plane and carrying a tube that is closed at one end.
  • the machine com­prises a feed roll with radially extending feed arms, as well as an inclined path with a chute opening at each fil­ling station.
  • the prior art machine, more particularly the inclined path is arranged for di­rect connection with a tablet-forming machine with which it is adapted to operate in synchronism.
  • the prior art machine has a number of shortcomings, only some of which will be mentioned here.
  • the upper part of the machine is connected via a tablet feed table with a tablet-forming machine, the tablets discharged from the forming machine dropping onto the feed table, which, com­bined with the movement of the feed table, which may be rotary or vibratory, subjects the tablet to heavy mecha­nical strain.
  • This arrangement, and the inclined path opening at the tubes functions satisfactorily for packag­ing tablets having a low diameter/thickness ratio. When this ratio increases, i.e. with other tablet types, the diameters » the thickness, these tablets frequently be­come extremely sensitive to this type of mechanical strain, and the waste will be considerable. Because of the high packaging rates required by the market, this problem is further aggravated.
  • ever increasing demands are being placed on the working environment, which means that steps must be taken to reduce noise, vibrations and dust formation in the packaging of tablets. These demands are difficult to satisfy with prior art machines.
  • One object of this invention is, therefore, to pro­vide a packaging machine which, with less waste, fills each tube more quickly than the prior art machines.
  • a further object of this invention is to provide a packaging machine which, without the use of a feed table or a funnel-shaped intermediate storage, is directly con­nectible with the discharge side of a tablet-forming ma­chine.
  • a third object of this invention is to provide a packaging machine in which the mechanical strain placed on the tablets is reduced to a minimum.
  • the packaging machine of the present in­vention must satisfy, with a comfortable margin, the work­ing environment provisions of different countries in re­spect of noise, vibrations and dust formation in the pack­aging of tablets.
  • a packaging machine for packaging substantially discoid pro­ducts into tubes, comprising at least one filling station having at least two parallel rotary rolls adapted to ro­tate an elongate tube which preferably is sealed at one end, said end being located below the other tube end which is open; a tube magazine; and a device for intermittently feeding tubes from said tube magazine to said filling sta­tion, said packaging machine being characterised by a con­veyor provided between the filling station and the dis­charge side of a product-forming machine and supplying, preferably at a constant speed, said products to said fil­ling station; an infeed sleeve so arranged between said conveyor and a tube supplied to said filling station that one end of said sleeve connects with the conveyor, while the other sleeve end connects with the tube opening; a ro­tary roll provided below said sleeve and adjustable to different infeed sleeve diameters, said roll supporting said sleeve
  • Fig. 1 illustrates, in the form of a schematic per­spective view, a packaging machine 2 for packaging sub­stantially circular discoid products, such as effervescent tablets of various kinds, into tubes.
  • the packaging ma­chine 2 substantially comprises a conveyor 4 having a path switching device 6 and stop flaps 8, 10, a filling station 12, a tube magazine 14, and a cap feeder 16.
  • the conveyor 4 as shown in Figs. 1 and 2 is a sub­stantially horizontal belt conveyor that can be tensioned and adjusted by means of suitable attachments 20, 22 at a guide roller 18 and is connectible with a product-forming machine (not shown), such as a tablet-forming machine, or a circular feed table.
  • a product-forming machine such as a tablet-forming machine, or a circular feed table.
  • the path switching device 6 and the stop flaps 8, 10 are provided.
  • the path switching device 6 com­prises preferably four downwardly open product channels 26 which, in Fig. 2, are indicated by means of the centre line of the respective channel.
  • the path switching device 6 is pivotable about a vertical pivot pin 28 mounted ap­proximately on the centre line of the path, at that end 30 of the path switching device 6 which faces the guide rol­ler 18.
  • the end 30 connects with the tablet-forming ma­chine or with an inclined product feed path 32, of which but a part is shown in Fig. 2.
  • the product channels 26 di­verge from the infeed end 30 towards that end of the path switching device which faces away from the infeed end and at which a control means 34 in the form of a pneumatic or hydraulic piston and cylinder assembly is arranged.
  • the path switching de­vice 6 can be moved from a first end position in which four product strands 26A are formed on the conveyor, to a second end position in which four further products strands 26B are formed on the conveyor, resulting in a total of eight product strands uniformly distributed on the con­veyor.
  • the product channels 26 are spaced apart, at the discharge end of the path switching device 6, a distance such that there are formed, on the conveyor, product strands originating alternatingly from one end position 26A and the other end position 26B of the path switching device 6.
  • the two stop flaps 8 and 10 are in the form of a beam which can be raised or lowered and is movable in the lon­gitudinal direction of the conveyor.
  • the beam is arranged transversely of the longitudinal direction of the conveyor and, in its lowered position, makes contact with the upper side 24 of the conveyor to prevent the passage of pro­ducts. In its raised position, the beam allows the pro­ducts to pass.
  • the relative movements of these stop flaps are described hereinafter.
  • the belt reverses at a second guide roller 36 in direct connection with the filling sta­tion 12 which is described below.
  • Fig. 3 is a schematic sectional view of the filling station 12 which comprises a plurality of infeed sleeves 40, only one of which is shown in Figs. 3 and 4.
  • Each tubular elongate infeed sleeve 40 is rotatably mount­ed at one end in an attachment 42, such that the longitu­dinal sleeve axis forms an angle of about 30° with the horizontal plane.
  • the rotatably mounted end connects with the open end of a tube 44 which is supplied from the tube magazine 14 and whose longitudinal axis coincides, at the moment of filling, with the longitudinal axis of the in­ feed sleeve.
  • the other sleeve end 46 which preferably is conically widened from the inner surface to the outer sur­face of the sleeve, connects with an inclined path 48 com­municating the conveyor with the filling station 12 and thus permitting product flow to the tubes 44.
  • the infeed sleeve 40 and a tube 44 supplied to said sleeve are rotat­ed about the common longitudinal axis of rolls 56, 58, 60A, 60B (see Fig. 4) parallel to said sleeve and said tube.
  • rolls are preferably arranged at the corners of an isosceles triangle and are provided with friction rings 50, 52, 54A, 54B fixedly connected with the rolls and making contact with the outer surfaces of the infeed sleeve 40 and the tube 44.
  • the two rolls 60A and 60B are so arranged directly below the sleeve 40 and the tube 44, respectively, that the longitudinal axes of the rolls coincide, the longitudinal axes of the sleeve and the tube being parallel and spaced apart in a vertical plane which is common to the axes of the rolls 60A, 60B.
  • the friction rings 54A of the roll 60A carry the sleeve 40
  • the friction rings 54B of the roll 60B carry the tube 44.
  • the roll 60A can be adjusted to different dia­meters of the infeed sleeve 40.
  • the roll 60B is movable from the position shown in Figs. 3 and 4, in which it is in contact with the tube, to a lower position (not shown) in which the tube 44 is moved out of contact with the driving rolls 56, 58 for further conveyance of the filled tube and advance of a new and empty tube which is moved into filling position by the carrying roll 60B when this has resumed its first-mentioned position.
  • All tubes to be filled are stored in and supplied from the tube magazine 14 which is shown in Figs. 1 and 5 and which substantially consists of an inclined bottom or supporting plate 62 with funnel-shaped lower walls 64, 66 which at their lowest point merge into a tube channel 68.
  • the tubes 44 which are open at least at one end, are posi­tioned with their closed end facing the supporting plate 62.
  • a bridge-breaking member in the form of two plates 70, 72 extending outward­ly from the supporting plate 62 and movable diagonally thereof between two end positions, the distance between these end positions preferably being selected on the basis of the diameter of the tubes 44.
  • the tube channel 68 leads to a tube conveyor (not shown) intermittently supplying the tubes through the different stations of the packaging machine.
  • the above-mentioned tube conveyor supplies each of the tubes to a checking station (not described in detail) at which it is checked that the correct number of tablets have been filled into the tube. If an error is indicated, the faulty tube is removed from the tube conveyor by means of a suitable device.
  • the accepted tubes are finally fed to a capping or sealing station 44 (see Fig. 1) in which caps, plugs or other closure members are disposed in the tube opening to close the tube.
  • the capping station 74 comprises a special cap feeder 16 (see Figs. 1, 6 and 7) and a cap holder and applicator movable between two end positions.
  • the actual cap feeder 16 comprises a cylindrical casing 76 whose lon­gitudinal axis forms an angle of about 30° with the hori­zontal plane.
  • the upper part of the casing forms an up­wardly open cap magazine 78 holding a number of randomly oriented caps (plugs, or the like).
  • the lower part of the cap feeder 16 comprises two vertically spaced-apart, sub­stantially circular plates 80, 82.
  • the upper plate 80 is attached to the inner surface of the casing 76 and forms the bottom of the magazine 78.
  • the plate has a recess 84 extending along the periphery of the plate 80 which also is inclined.
  • a control means 92 such as a pneumatic or hydraulic piston and cylinder assembly, one leg 86 of said arm being movably attached to the plate 80 and connected, at a distance from its point of attachment 90, with the control means 92.
  • the leg 86 is parallel to the lower side of the plate 80 and extended towards the recess 84.
  • the other leg 88 of the arm which faces away from the point of attachment 90, is connected at right angles with the end of the leg 86, and extends along the casing towards the opening of the cap magazine 78.
  • the movability of the arm about the point of attach­ment 90 is restricted to the peripheral length of the re­cess, such that the arm swings in pendulum fashion.
  • the lower plate 82 is rotatably mounted at a distance from the upper plate 80 and is operated by a motor (not shown). Near the periphery of the plate 82, at least one finger 94 is mounted. The number of fingers, and the finger form required to give the desired technical effect, are chosen on the basis of the closure member at issue.
  • the finger 94 orients the closure members in a given di­rection and supplies them to a channel 96 which preferably is divided into two part channels 98, 100 conducting the closure members to the above-mentioned cap holder and applicator.
  • the tube is conducted to a labelling and/or packing station which need not be described in detail since such arrangements are well known in the art.
  • the tube magazine 14 is filled with empty tubes 44, and if necessary regard must be paid at this moment to the tube orientation, while the cap magazine 78 is filled with caps or other closure members fitting the tubes 44 and the fingers 94.
  • the packaging machine 2 which is linked up with the product-forming machine, is preferably started synchronously with the product-forming machine.
  • the belt conveyor 4 starts, and at the same time tubes 44 are supplied by the tube feeder from the tube magazine 14, i.e. from the outlet end of the channel 68, to the filling station 12, and the cap feeder 16 supplies correctly oriented caps via the channel 96 to the cap hol­der and applicator.
  • the tubes 44 are advanced intermit­tently, two at a time, until eight tubes parallel to one another are in the position shown in Fig. 4.
  • the path switching device 6 assumes the first of the two available positions, the first stop flap 8 has been raised and al­lows tablets to pass, while the second stop flap 10 has been lowered and prevents the passage of tablets to the filling station 12.
  • the tablets discharged from the product-forming machine are distributed on the belt or in two downwardly open channels to form the first four product strands 26A.
  • Photodetectors mounted at the path switching device 6 de­tect when the correct preset number of tablets have passed the path switching device, and produce a signal which ac­tivates the control means 34 to move the path switching device 6 into the second one of the two available posi­tions.
  • the tablets discharged from the product-forming ma­chine are distributed on the belt to form the other four product strands 26B.
  • a second signal is produced to make the first stop flap 8 assume its lower position preventing the passage of tablets, and to make the other stop flap 10 assume its raised position allowing the tablets to pass.
  • the eight tubes that have been filled at the same time are supplied two at a time past the checking station in which a transducer senses the level of tablets in each tube and, on the basis of this result, produces signals for the removal of an incorrectly filled tube from the tube conveyor, or for further conveyance of an accepted tube to the capping station 74.
  • two empty tubes 44 are supplied to the filling station.
  • the bridge-breaking members 70, 72 are moved a short distance in the diagonal direction of the supporting plate 62 (see Fig. 5) and then return directly to their respective starting positions. During this move­ment, a few tubes 44 are moved in some degree in the tube magazine 14, whereby any bridging effect in the magazine 14 is effectively prevented.
  • Caps randomly stored in the cap magazine 78 of the capping station 74 are caused by the L-shaped arm 86, 88 (see Figs. 6 and 7) to drop onto the rotating lower plate 82 with the fingers 94.
  • the fingers 94 now engage the caps which assume the desired orientation.
  • the correctly oriented cap is disengaged from the finger 94 and, while retaining this orientation, is supplied down through the channel 96 or 100 to the cap holder and applicator which attaches a cap to each of two filled and accepted tubes supplied simultaneously to the capping station 74, and the open tube end is closed.
  • the closed tubes are conducted to a label­ling and/or packing station.
  • the gentle and careful handling of the tablets that is achieved by using a conveyor which cooperates with a path switching device, and inclined rotary infeed sleeves having a conical opening makes it possible to fill a num­ber of tubes, in the case here described eight tubes, far more quickly and with less total waste.
  • the photodetectors arranged at the path switching device guarantee accurate counting of a desired number of tablets to be filled into each tube, by comparison of a predetermined number and the detected number, it being especially advantageous that the stop flaps are displaceable in the longitudinal direction of the conveyor.
  • the packaging machine ac­cording to the present invention is highly efficient and adapted to the high-capacity tablet forming machines available on the market.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Container Filling Or Packaging Operations (AREA)
EP90850267A 1989-07-14 1990-07-10 Verpackungsmaschine zum Füllen von Röhrchen mit Tabletten oder dgl. Expired - Lifetime EP0414652B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8902552 1989-07-14
SE8902552A SE462907B (sv) 1989-07-14 1989-07-14 Maskin foer tablett-fyllning i tubformade foerpackningar

Publications (2)

Publication Number Publication Date
EP0414652A1 true EP0414652A1 (de) 1991-02-27
EP0414652B1 EP0414652B1 (de) 1994-12-14

Family

ID=20376558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90850267A Expired - Lifetime EP0414652B1 (de) 1989-07-14 1990-07-10 Verpackungsmaschine zum Füllen von Röhrchen mit Tabletten oder dgl.

Country Status (5)

Country Link
EP (1) EP0414652B1 (de)
JP (1) JPH03111205A (de)
AT (1) ATE115488T1 (de)
DE (1) DE69015054T2 (de)
SE (1) SE462907B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4406089A1 (de) * 1994-02-24 1995-10-19 Lingenfelder Oli Spezialanlage Verfahren und Vorrichtung zum Abfüllen von Tabletten oder dergleichen in Tablettenröhrchen
EP1380502A3 (de) * 1997-06-17 2004-04-14 Yuyama Mfg. Co., Ltd. Maschine zum Verpacken von Tabletten
EP1857365A1 (de) * 1998-10-08 2007-11-21 Yuyama Mfg. Co., Ltd. Tablettenverpackungsvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR662565A (fr) * 1927-10-19 1929-08-08 Ig Farbenindustrie Ag Procédé permettant de mettre des articles ou matières solides dans des récipients et appareils pour la mise en pratique de ce procédé
DE1277739B (de) * 1966-06-23 1968-09-12 Asta Werke Ag Chem Fab Vorrichtung zum Abfuellen von Dragees in aufrechtstehende Roehrchen od. dgl.
SE406065B (sv) * 1977-05-12 1979-01-22 Fransson Gosta Ingvar Maskin for fyllning av tabletter i ror

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133089A (de) * 1974-03-07 1975-10-21
JPS5529474A (en) * 1978-08-23 1980-03-01 Tokyo Shibaura Electric Co Aligning packing method of filamentous body

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR662565A (fr) * 1927-10-19 1929-08-08 Ig Farbenindustrie Ag Procédé permettant de mettre des articles ou matières solides dans des récipients et appareils pour la mise en pratique de ce procédé
DE1277739B (de) * 1966-06-23 1968-09-12 Asta Werke Ag Chem Fab Vorrichtung zum Abfuellen von Dragees in aufrechtstehende Roehrchen od. dgl.
SE406065B (sv) * 1977-05-12 1979-01-22 Fransson Gosta Ingvar Maskin for fyllning av tabletter i ror

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DERWENT'S ABSTRACT 88-189427-27 of SU, A, 1 359 207 (Molchanov Ag), 14 December 1987 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4406089A1 (de) * 1994-02-24 1995-10-19 Lingenfelder Oli Spezialanlage Verfahren und Vorrichtung zum Abfüllen von Tabletten oder dergleichen in Tablettenröhrchen
EP1380502A3 (de) * 1997-06-17 2004-04-14 Yuyama Mfg. Co., Ltd. Maschine zum Verpacken von Tabletten
EP1857365A1 (de) * 1998-10-08 2007-11-21 Yuyama Mfg. Co., Ltd. Tablettenverpackungsvorrichtung

Also Published As

Publication number Publication date
DE69015054D1 (de) 1995-01-26
EP0414652B1 (de) 1994-12-14
ATE115488T1 (de) 1994-12-15
DE69015054T2 (de) 1995-07-20
SE462907B (sv) 1990-09-17
JPH03111205A (ja) 1991-05-13
SE8902552D0 (sv) 1989-07-14

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