EP0960814A1 - Device for feeding articles to a packaging machine - Google Patents

Device for feeding articles to a packaging machine Download PDF

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Publication number
EP0960814A1
EP0960814A1 EP99810377A EP99810377A EP0960814A1 EP 0960814 A1 EP0960814 A1 EP 0960814A1 EP 99810377 A EP99810377 A EP 99810377A EP 99810377 A EP99810377 A EP 99810377A EP 0960814 A1 EP0960814 A1 EP 0960814A1
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EP
European Patent Office
Prior art keywords
elements
products
conveyor
transfer point
point
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
EP99810377A
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German (de)
French (fr)
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EP0960814B1 (en
Inventor
René Fluck
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.)
Syntegon Packaging Systems AG
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SIG Pack Systems AG
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Publication date
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Publication of EP0960814A1 publication Critical patent/EP0960814A1/en
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    • 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
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B65B35/40—Arranging and feeding articles in groups by reciprocating or oscillatory pushers
    • 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
    • B65B43/52—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 using roller-ways or endless conveyors
    • 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
    • B65B5/106—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles by pushers

Definitions

  • WO 96/41760 describes a device for feeding products known to a packaging machine.
  • the device has two parallel, separately driven, endless transport chains, of which over less than half of their circumference in regular Intervals of the carriers. Push the drivers the products on a slotted slide plate from a receiving station over a working distance to a delivery station where the products are packed in a tubular bag.
  • US-A-4 577 453 describes a feeder, however with just one conveyor element, in which the products on the Transfer point as groups first on and from a table by means of a separate slide perpendicular to the direction of extension be pushed into a packaging container.
  • the present invention has for its object a Specify transport device with which rational packaging container can be filled. This task is accomplished by solved the combination of features of the claims.
  • the device 1 is a feed conveyor belt 10 upstream, on which a column 11 of disc-shaped Products (e.g. biscuits) delivered in transport direction A. becomes.
  • the products 12 can have an irregular spacing from each other.
  • the conveyor belt 10 preferably runs at constant speed.
  • At variable speed of the belt 10 is a rotary encoder with its drive motor coupled to the control device 13 of the device 1 connected is.
  • Above the belt 10 is a height profile sensor 14 mounted.
  • the height profile sensor 14 measures the dimensions and the shape of the product carried under it 12 and compares these measured values with entered and / or taught Setpoints. It is not only the outer shape of the product 12 and its length recorded on the tape 10, but also its surface.
  • a signal will exceed the specified tolerance deviations transmitted directly to an extension unit 15, which the relevant product 12 downstream of the sensor 14 transversely to the conveying direction A from the tape 10 in a collecting container, not shown emits.
  • the unit 15 can e.g. from a slider 16 exist, which is actuated by an actuator 17 at short notice or from a short-term blowing nozzle.
  • a further sensor 18 can be arranged be, e.g. a reflex light barrier, which is via the control unit 13 the exact clocking of the products 12 into the device 1 ensures.
  • the device 1 comprises a sliding plate 21 and two arranged above it endless, parallel, guided by two deflecting wheels 22, 23 Timing belt 24, 25.
  • Each of the belts 24, 25 is standing a group 26 of regularly spaced drivers 27 from.
  • the group length is shorter than half the circumference of the belt 24, 25.
  • the two deflection wheels arranged at the feed point 20 22 are each by a separate motor 28 with rotary encoder 29 driven.
  • the motors 28 are powered by the device 13 controlled so that one driver 27 each arrives in front of a product 12 at the drop point 20 and this Product by the next driver 27 of the same group 26 is pushed on the sliding plate 21.
  • the motors 28 will controlled so that the foremost at the feed point 20 Driver 27a of one group 26 to the rearmost driver 27b of the other group 26 immediately without space connects (Figure 1).
  • the control of the motors 28 can e.g. according to WO 96/41760.
  • the belt 25 in question accelerates (Figure 2) until the group 26 on the horizontal working route 31 with at the transfer point 30 provided to the side of the sheet 21 and parallel to this Groups 32 of packaging containers 33 aligned is. In this position, the belt 25 in question is stopped and the products 12 of the whole group 26 at the same time pushed laterally into the container 33.
  • the two timing belts 24, 25 individually or together around the axis of Wheels 22 can be pivoted, which is shown in FIG. 1 with dash-dotted lines Lines is indicated. Will a swivel around the downstream Deflection wheels 23 are preferred, these are appropriately the motors 28 driven.
  • FIG. 3 shows schematically a possible mechanism for pushing out of products 12 at the transfer point 30.
  • the sliding plate 21 has a number of transverse slots at the transfer point 30 38 at a distance from the division of the carriers 27, possibly two Slots 38 per space between the drivers 27. Through these slots 38 each grip a bent end 39 of one Slider 40.
  • the slider 40 are on a common rod 41 attached to the free end of two pivot levers 42 is pivotally mounted.
  • the two levers 42 are connected by a common Shaft 43 arranged parallel to the conveying direction A non-rotatably connected and together about the axis of the shaft 43 swiveling.
  • the rod 41 is rigid with a lever 44 connected, the free end of which is articulated with a slide 45 connected is.
  • the carriage 45 is horizontal on a carrier 46 slidably guided.
  • the carrier 46 is in a housing 47 the device 1 guided vertically.
  • a disc 51 is connected to a shaft 52 parallel to shaft 43.
  • a motor 53 rotates the shaft 52 in each case one rotation.
  • Eccentric pin 54 mounted with a hinge rod 55 with the carriage 45 is connected.
  • a cam disc 56 is mounted, which over a scanning roller 57 a pivotable, double-armed lever 58 and an articulated rod 59 the vertical movement of the carrier 46 controls.
  • the belt in question is in motion during the extension movement 25 silent and the carrier 46 is raised in the illustrated Position so that the bent end 39 of the slide 40 the column of products 12 within group 26 of carriers 27 pushes transversely to the transport direction A from the slide plate 21 in the container 33, not shown in Figure 3.
  • Die Elements 44 to 46 and 51 to 59 are in the axial direction of the shaft 43 so that the container 33 next to the plate 21st Have space.
  • the carrier 46 is by means of the cam 56 and the lever 58 lowered so that during this Return stroke already the driver 27 of a group 26 by means of of the toothed belt 25 from the area of the transfer point 30 can be driven away. While the products are being pushed out 12 at the transfer point 30, the products 12 at the Feed point 20 between the drivers 27 of the second group 26 clocked on the other band 24.
  • the extension process is then repeated for this second group 26.
  • the transfer point 30 is without the elements 44 to 59 shown (which are axially offset).
  • a conveyor member 64 in the form of two parallel, endless ones Chains 65 arranged, each guided around two deflection wheels 66, 67 are, the one coaxial pair of wheels 66 by a common Motor 68 is driven with angle encoder 69, which is also with the control device 13 are connected.
  • Between chains 65 carriers 70 are mounted at regular intervals.
  • the container 33 on one Delivery point 77 captured by a group of fingers 78, which Pass through slots (not shown) in the elements 71.
  • the filled containers 33 slide on the curved top 79 the fingers 78 on a discharge conveyor belt 80.
  • the upper Wheels 66 are empty containers 33 with known, not shown Means introduced into the receiving elements 71.
  • Figure 5 shows a further embodiment in which the driver 27 are T-shaped in the side view, that is horizontal at their free ends over the working section 31 Stand support members 84, which the products from the drop point Carry 20 to the transfer point 30.
  • the sliding plate 21 does not apply in this case.
  • Figures 6 and 7 show another Variant in which the toothed belts 24, 25 or conveyor chains below the working section 31 are arranged.
  • the drivers 27 are mounted on support bodies 85, the one group 26 of Support bodies 85 on the belt 24, the other group 26 on the belt 25 is attached.
  • the bodies 85 have (except at both ends of group 26) on both sides of the carriers 27 wings 86.
  • the products 12 can optionally be in the containers 33 filled in as a standing group 74 or as a stack become.
  • a modular structure is possible.
  • the filling groups 74 into containers 33 requires only a few steps, so that the products 12 are spared. It will be high Throughput achieved (up to 800 pieces / min.). It can a whole series of packaging containers 33 filled at the same time become.
  • 2 and 5 are, for example container 33 to be filled as four arranged side by side, connected groups of three 89 shown, the distance adjacent container 33 between the groups 89 slightly larger is corresponding to the container spacing within groups 89 are also the groups 26 of carriers 27 in groups of three divided by correspondingly thicker drivers 27c are separated from each other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Special Conveying (AREA)
  • Intermediate Stations On Conveyors (AREA)

Abstract

The system includes two conveyor elements (24,25), driven by separate motors (28) along a working stretch (31) between an output point (20) and a transfer point (30). Each element has followers (27) projecting over part of length with uniform spacing. Several pusher elements are arranged at a distance to this spacing at the transfer point and are movable at right angles to the conveying direction (A). Several reception elements are arranged at each conveyor element for receiving packing containers (33). The filled containers are supplied to the output point (20). The products (12) are pushed by the pusher elements in to the container at the transfer point.

Description

Aus der WO 96/41760 ist eine Vorrichtung zum Zuführen von Produkten zu einer Verpackungsmaschine bekannt. Die Vorrichtung hat zwei parallele, separat angetriebene, endlose Transportketten, von denen über weniger als die Hälfte ihres Umfangs in regelmässigen Abständen Mitnehmer abstehen. Die Mitnehmer schieben die Produkte auf einer geschlitzten Gleitplatte von einer Aufnahmestation über eine Arbeitsstrecke zu einer Abgabestation, wo die Produkte in einen Schlauchbeutel verpackt werden.WO 96/41760 describes a device for feeding products known to a packaging machine. The device has two parallel, separately driven, endless transport chains, of which over less than half of their circumference in regular Intervals of the carriers. Push the drivers the products on a slotted slide plate from a receiving station over a working distance to a delivery station where the products are packed in a tubular bag.

In der WO 97/42108 ist eine ähnliche Vorrichtung beschrieben, bei welcher die beiden parallelen Förderelemente Zahnriemen sind.A similar device is described in WO 97/42108, in which the two parallel conveyor elements toothed belt are.

Die US-A-4 577 453 beschreibt eine Zuführvorrichtung, allerdings mit bloss einem Förderelement, bei welcher die Produkte an der Übergabestelle als Gruppen zunächst auf einen Tisch und von diesem mittels eines separaten Schiebers senkrecht zur Ausschubrichtung in einen Verpackungsbehälter geschoben werden.US-A-4 577 453 describes a feeder, however with just one conveyor element, in which the products on the Transfer point as groups first on and from a table by means of a separate slide perpendicular to the direction of extension be pushed into a packaging container.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Transportvorrichtung anzugeben, mit welcher rationell Verpakkungsbehälter gefüllt werden können. Diese Aufgabe wird durch die Merkmalskombination der Ansprüche gelöst.The present invention has for its object a Specify transport device with which rational packaging container can be filled. This task is accomplished by solved the combination of features of the claims.

Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der Zeichnung erläutert. Darin zeigt:

Figuren 1 und 2
schematische Seitenansichten einer ersten Ausführungsform,
Figuren 3 und 4
Querschnitte durch die Übergabestelle, und
Figuren 5 bis 7
zwei weitere Ausführungsformen.
Exemplary embodiments of the invention are explained below with reference to the drawing. It shows:
Figures 1 and 2
schematic side views of a first embodiment,
Figures 3 and 4
Cross sections through the transfer point, and
Figures 5 to 7
two other embodiments.

Der Vorrichtung 1 nach Figuren 1 und 2 ist ein Zufuhrförderband 10 vorgeschaltet, auf welchem eine Kolonne 11 von scheibenförmigen Produkten (z.B. Biskuits) in Transportrichtung A angeliefert wird. Die Produkte 12 können einen unregelmässigen Abstand voneinander haben. Vorzugsweise läuft das Förderband 10 mit konstanter Geschwindigkeit. Bei variabler Geschwindigkeit des Bandes 10 ist mit seinem Antriebsmotor ein Drehwinkelgeber gekoppelt, der mit der Steuereinrichtung 13 der Vorrichtung 1 verbunden ist. Oberhalb des Bandes 10 ist ein Höhenprofilsensor 14 montiert. Der Höhenprofilsensor 14 misst die Abmessungen und die Form des unter ihm vorbeitransportierten Produktes 12 und vergleicht diese Messwerte mit eingegebenen und/oder eingelernten Sollwerten. Dabei wird nicht nur die äussere Umrissform des Produktes 12 und dessen Länge auf dem Band 10 erfasst, sondern auch dessen Oberfläche. Falls die Abweichungen vom Sollprofil vorgegebene Toleranzabweichungen überschreiten, wird ein Signal direkt an eine Ausschubeinheit 15 übermittelt, welche das betreffende Produkt 12 stromabwärts des Sensors 14 quer zur Förderrichtung A vom Band 10 in einen nicht dargestellten Auffangbehälter ausstösst. Die Einheit 15 kann z.B. aus einem Schieber 16 bestehen, der durch einen Aktuator 17 kurzfristig aktuiert wird, oder aus einer kurzfristig eingeschalteten Blasdüse. Stromabwärts der Einheit 15 und unmittelbar vor der Aufgabestelle 20 der Vorrichtung 1 kann ein weiterer Fühler 18 angeordnet sein, z.B. eine Reflex-Lichtschranke, der über die Steuereinheit 13 das exakte Eintakten der Produkte 12 in die Vorrichtung 1 sicherstellt.The device 1 according to Figures 1 and 2 is a feed conveyor belt 10 upstream, on which a column 11 of disc-shaped Products (e.g. biscuits) delivered in transport direction A. becomes. The products 12 can have an irregular spacing from each other. The conveyor belt 10 preferably runs at constant speed. At variable speed of the belt 10 is a rotary encoder with its drive motor coupled to the control device 13 of the device 1 connected is. Above the belt 10 is a height profile sensor 14 mounted. The height profile sensor 14 measures the dimensions and the shape of the product carried under it 12 and compares these measured values with entered and / or taught Setpoints. It is not only the outer shape of the product 12 and its length recorded on the tape 10, but also its surface. If the deviations from the target profile a signal will exceed the specified tolerance deviations transmitted directly to an extension unit 15, which the relevant product 12 downstream of the sensor 14 transversely to the conveying direction A from the tape 10 in a collecting container, not shown emits. The unit 15 can e.g. from a slider 16 exist, which is actuated by an actuator 17 at short notice or from a short-term blowing nozzle. Downstream of unit 15 and immediately in front of the drop point 20 of the device 1, a further sensor 18 can be arranged be, e.g. a reflex light barrier, which is via the control unit 13 the exact clocking of the products 12 into the device 1 ensures.

Die Vorrichtung 1 umfasst ein Gleitblech 21 und zwei darüber angeordnete, um je zwei Umlenkräder 22, 23 geführte, endlose, parallele Zahnriemen 24, 25. Von jedem der Riemen 24, 25 steht je eine Gruppe 26 von regelmässig beabstandeten Mitnehmern 27 ab. Die Gruppenlänge ist kürzer als die Hälfte des Umfangs des Riemens 24, 25. Die beiden an der Aufgabestelle 20 angeordneten Umlenkräder 22 sind durch je einen separaten Motor 28 mit Drehwinkelgeber 29 angetrieben. Die Motoren 28 werden von der Einrichtung 13 so gesteuert, dass jeweils ein Mitnehmer 27 unmittelbar vor einem Produkt 12 an der Aufgabestelle 20 eintrifft und dieses Produkt durch den nächsten Mitnehmer 27 derselben Gruppe 26 auf dem Gleitblech 21 weitergeschoben wird. Die Motoren 28 werden so gesteuert, dass an der Aufgabestelle 20 jeweils der vorderste Mitnehmer 27a der einen Gruppe 26 an den hintersten Mitnehmer 27b der anderen Gruppe 26 unmittelbar ohne Zwischenraum anschliesst (Figur 1). Die Steuerung der Motoren 28 kann z.B. gemäss WO 96/41760 erfolgen. Sobald der hinterste Mitnehmer 27b der einen Gruppe 26 ein Produkt 12 erfasst hat (Figur 1), wird der betreffende Riemen 25 beschleunigt (Figur 2), bis die Gruppe 26 auf der horizontalen Arbeitsstrecke 31 mit an der Übergabestelle 30 seitlich des Blechs 21 und parallel zu diesem bereitgestellten Gruppen 32 von Verpackungsbehältern 33 ausgerichtet ist. In dieser Stellung wird der betreffende Riemen 25 angehalten und die Produkte 12 der ganzen Gruppe 26 gleichzeitig seitlich in die Behälter 33 geschoben. Zur Wartung können die beiden Zahnriemen 24, 25 einzeln oder gemeinsam um die Achse der Räder 22 schwenkbar sein, was in Figur 1 mit strichpunktierten Linien angedeutet ist. Wird eine Schwenkbarkeit um die stromabwärtigen Umlenkräder 23 bevorzugt, werden zweckmässig diese von den Motoren 28 angetrieben.The device 1 comprises a sliding plate 21 and two arranged above it endless, parallel, guided by two deflecting wheels 22, 23 Timing belt 24, 25. Each of the belts 24, 25 is standing a group 26 of regularly spaced drivers 27 from. The group length is shorter than half the circumference of the belt 24, 25. The two deflection wheels arranged at the feed point 20 22 are each by a separate motor 28 with rotary encoder 29 driven. The motors 28 are powered by the device 13 controlled so that one driver 27 each arrives in front of a product 12 at the drop point 20 and this Product by the next driver 27 of the same group 26 is pushed on the sliding plate 21. The motors 28 will controlled so that the foremost at the feed point 20 Driver 27a of one group 26 to the rearmost driver 27b of the other group 26 immediately without space connects (Figure 1). The control of the motors 28 can e.g. according to WO 96/41760. As soon as the rear driver 27b one group 26 has detected a product 12 (FIG. 1) the belt 25 in question accelerates (Figure 2) until the group 26 on the horizontal working route 31 with at the transfer point 30 provided to the side of the sheet 21 and parallel to this Groups 32 of packaging containers 33 aligned is. In this position, the belt 25 in question is stopped and the products 12 of the whole group 26 at the same time pushed laterally into the container 33. For maintenance, the two timing belts 24, 25 individually or together around the axis of Wheels 22 can be pivoted, which is shown in FIG. 1 with dash-dotted lines Lines is indicated. Will a swivel around the downstream Deflection wheels 23 are preferred, these are appropriately the motors 28 driven.

Figur 3 zeigt schematisch einen möglichen Mechanismus zum Ausschieben der Produkte 12 an der Übergabestelle 30. Das Gleitblech 21 hat an der Übergabestelle 30 eine Reihe von Querschlitzen 38 im Abstand der Teilung der Mitnehmer 27, allenfalls zwei Schlitze 38 pro Zwischenraum zwischen den Mitnehmern 27. Durch diese Schlitze 38 greift je ein abgekröpftes Ende 39 eines Schiebers 40. Die Schieber 40 sind an einer gemeinsamen Stange 41 befestigt, die am freien Ende von zwei Schwenkhebeln 42 schwenkbar gelagert ist. Die beiden Hebel 42 sind durch eine gemeinsame, parallel zur Förderrichtung A angeordnete Welle 43 drehfest miteinander verbunden und um die Achse der Welle 43 gemeinsam schwenkbar. Die Stange 41 ist mit einem Hebel 44 starr verbunden, dessen freies Ende gelenkig mit einem Schlitten 45 verbunden ist. Der Schlitten 45 ist an einem Träger 46 horizontal verschiebbar geführt. Der Träger 46 ist in einem Gehäuse 47 der Vorrichtung 1 vertikal verschiebbar geführt. Eine Scheibe 51 ist mit einer zur Welle 43 parallelen Welle 52 verbunden. Bei der Ausschubbewegung dreht ein Motor 53 die Welle 52 um jeweils eine Umdrehung. An der Scheibe 51 ist auf der einen Seite ein Exzenterzapfen 54 montiert, der über eine Gelenkstange 55 mit dem Schlitten 45 verbunden ist. Auf der gegenüberliegenden Seite der Scheibe 51 ist eine Kurvenscheibe 56 montiert, welche über eine Abtastrolle 57 einen schwenkbaren, doppelarmigen Hebel 58 und eine Gelenkstange 59 die Vertikalbewegung des Trägers 46 steuert. Bei der Ausschubbewegung steht der betreffende Riemen 25 still und ist der Träger 46 in der dargestellten angehobenen Stellung, so dass das hochgebogene Ende 39 der Schieber 40 die Kolonne der Produkte 12 innerhalb der Gruppe 26 von Mitnehmern 27 quer zur Transportrichtung A von der Gleitplatte 21 abschiebt in die in Figur 3 nicht dargestellten Behälter 33. Die Elemente 44 bis 46 und 51 bis 59 sind in Achsrichtung der Welle 43 so versetzt, dass die Behälter 33 neben der Platte 21 Platz haben. Für den Rückhub wird der Träger 46 mittels der Kurvenscheibe 56 und des Hebels 58 abgesenkt, so dass während dieses Rückhubes bereits die Mitnehmer 27 der einen Gruppe 26 mittels des Zahnriemens 25 aus dem Bereich der Übergabestelle 30 weggefahren werden können. Während des Ausschiebens der Produkte 12 an der Übergabestelle 30 werden die Produkte 12 an der Aufgabestelle 20 zwischen den Mitnehmern 27 der zweiten Gruppe 26 auf dem anderen Band 24 aufgetaktet. Der Ausschiebevorgang wiederholt sich anschliessend für diese zweite Gruppe 26.Figure 3 shows schematically a possible mechanism for pushing out of products 12 at the transfer point 30. The sliding plate 21 has a number of transverse slots at the transfer point 30 38 at a distance from the division of the carriers 27, possibly two Slots 38 per space between the drivers 27. Through these slots 38 each grip a bent end 39 of one Slider 40. The slider 40 are on a common rod 41 attached to the free end of two pivot levers 42 is pivotally mounted. The two levers 42 are connected by a common Shaft 43 arranged parallel to the conveying direction A non-rotatably connected and together about the axis of the shaft 43 swiveling. The rod 41 is rigid with a lever 44 connected, the free end of which is articulated with a slide 45 connected is. The carriage 45 is horizontal on a carrier 46 slidably guided. The carrier 46 is in a housing 47 the device 1 guided vertically. A disc 51 is connected to a shaft 52 parallel to shaft 43. At During the extension movement, a motor 53 rotates the shaft 52 in each case one rotation. On the disc 51 is on one side Eccentric pin 54 mounted with a hinge rod 55 with the carriage 45 is connected. On the opposite side the disc 51, a cam disc 56 is mounted, which over a scanning roller 57 a pivotable, double-armed lever 58 and an articulated rod 59 the vertical movement of the carrier 46 controls. The belt in question is in motion during the extension movement 25 silent and the carrier 46 is raised in the illustrated Position so that the bent end 39 of the slide 40 the column of products 12 within group 26 of carriers 27 pushes transversely to the transport direction A from the slide plate 21 in the container 33, not shown in Figure 3. Die Elements 44 to 46 and 51 to 59 are in the axial direction of the shaft 43 so that the container 33 next to the plate 21st Have space. For the return stroke, the carrier 46 is by means of the cam 56 and the lever 58 lowered so that during this Return stroke already the driver 27 of a group 26 by means of of the toothed belt 25 from the area of the transfer point 30 can be driven away. While the products are being pushed out 12 at the transfer point 30, the products 12 at the Feed point 20 between the drivers 27 of the second group 26 clocked on the other band 24. The extension process is then repeated for this second group 26.

Statt des dargestellten Kurbel- und Kurvenscheiben-Triebes können der Träger 46 und der Schieber 45 durch Linearmotoren 60, 61 angetrieben sein (Figur 3a).Instead of the crank and cam drive shown the carrier 46 and the slide 45 by linear motors 60, 61 be driven (Figure 3a).

In Figur 4 ist die Übergabestelle 30 ohne die Elemente 44 bis 59 dargestellt (die axial versetzt sind). Bei der Übergabestelle 30 ist auf der den Schiebern 40 abgewandten Seite des Gleitbleches 21 ein Förderglied 64 in Form zweier paralleler, endloser Ketten 65 angeordnet, die um je zwei Umlenkräder 66, 67 geführt sind, wobei das eine koaxiale Radpaar 66 durch einen gemeinsamen Motor 68 mit Winkelgeber 69 angetrieben ist, die ebenfalls mit der Steuereinrichtung 13 verbunden sind. Zwischen den Ketten 65 sind in regelmässigen Abständen Träger 70 montiert. An den Trägern 70 sind Aufnahmeelemente 71 für die Aufnahme der Verpakkungsbehälter (trays) 33 wahlweise so befestigt, dass das offene Ende 73 der Behälter 33 an der Übergabestelle 30 annähernd horizontal oder annähernd vertikal ist. In Figur 4 sind die Elemente 71 zu Illustrationszwecken abwechselnd in diesen beiden Stellungen gezeigt. In Wirklichkeit werden alle Elemente 71 des Fördergliedes 64 nur in der einen oder der anderen Richtung montiert sein. In einem Fall werden die Gruppen 74 von Produkten 12 in den Behältern 33 so gebildet, dass der Rand sämtlicher Produkte 12 der gebildeten Gruppen 74 den Boden 75 der Behälter 33 berührt (on edge). Im anderen Fall berührt nur die eine Flachseite des einen Produktes 12 den Boden 75 (Stapel). Im ersten Fall werden die Ketten 65 nach jedem Ausschubvorgang um einen Schritt entsprechend der Dicke der Produkte 12 vorgeschoben, bis die betreffenden Behälter 33 gefüllt sind. Dann erfolgt ein Vorschubschritt entsprechend der Teilung der Träger 70 abzüglich der Dicke der Gruppen 74. Im zweiten Fall werden die Ketten 65 jeweils so vorgeschoben, dass die Öffnung 73 an der Übergabestelle 30 jeweils knapp unterhalb der Oberseite des Gleitblechs 21 zu liegen kommt. Sobald der betreffende Behälter 33 gefüllt ist, erfolgt ein Vorschub von der Länge der Teilung der Träger 70.In FIG. 4, the transfer point 30 is without the elements 44 to 59 shown (which are axially offset). At the transfer point 30 is on the side of the sliding plate facing away from the sliders 40 21 a conveyor member 64 in the form of two parallel, endless ones Chains 65 arranged, each guided around two deflection wheels 66, 67 are, the one coaxial pair of wheels 66 by a common Motor 68 is driven with angle encoder 69, which is also with the control device 13 are connected. Between chains 65 carriers 70 are mounted at regular intervals. On the straps 70 are receiving elements 71 for receiving the packaging container (trays) 33 optionally attached so that the open End 73 of the container 33 at the transfer point 30 approximately horizontally or approximately vertical. In Figure 4 are the elements 71 alternately in these two positions for illustration purposes shown. In reality, all elements 71 of the conveyor member 64 only mounted in one direction or the other be. In one case, the groups 74 of products 12 formed in the containers 33 so that the edge of all products 12 of the groups 74 formed, the bottom 75 of the container 33 touched (on edge). In the other case, only one flat side touches of one product 12 the bottom 75 (stack). In the first Fall, the chains 65 after each pushing out Step forward according to the thickness of the products 12 until the relevant container 33 are filled. Then there is a feed step according to the division of the carrier 70 minus the thickness of groups 74. In the second case, chains 65 each advanced so that the opening 73 at the transfer point 30 each just below the top of the slide plate 21 comes to rest. As soon as the container in question 33 is filled, the length of the division of the Carrier 70

Bei den unteren Umlenkrädern 67 werden die Behälter 33 an einer Abgabestelle 77 durch eine Gruppe von Fingern 78 erfasst, welche nicht dargestellte Schlitze in den Elementen 71 durchgreifen. Die gefüllten Behälter 33 gleiten auf der gekrümmten Oberseite 79 der Finger 78 auf ein Abfuhrförderband 80. Bei den oberen Rädern 66 werden leere Behälter 33 mit bekannten, nicht dargestellten Mitteln in die Aufnahmeelemente 71 eingeführt.In the lower deflection wheels 67, the container 33 on one Delivery point 77 captured by a group of fingers 78, which Pass through slots (not shown) in the elements 71. The filled containers 33 slide on the curved top 79 the fingers 78 on a discharge conveyor belt 80. In the upper Wheels 66 are empty containers 33 with known, not shown Means introduced into the receiving elements 71.

Figur 5 zeigt eine weitere Ausführungsform, in welcher die Mitnehmer 27 in der Seitenansicht T-förmig ausgebildet sind, also an ihren freien Enden über die Arbeitsstrecke 31 hinweg horizontale Tragelemente 84 abstehen, welche die Produkte von der Aufgabestelle 20 zur Übergabestelle 30 tragen. Das Gleitblech 21 entfällt in diesem Falle. Figuren 6 und 7 zeigen eine weitere Variante, in welcher die Zahnriemen 24, 25 oder Förderketten unterhalb der Arbeitsstrecke 31 angeordnet sind. Die Mitnehmer 27 sind auf Tragkörpern 85 montiert, wobei die eine Gruppe 26 von Tragkörpern 85 am Riemen 24, die andere Gruppe 26 am Riemen 25 befestigt ist. Die Körper 85 haben (ausgenommen an beiden Enden der Gruppe 26) beidseits der Mitnehmer 27 Tragflächen 86.Figure 5 shows a further embodiment in which the driver 27 are T-shaped in the side view, that is horizontal at their free ends over the working section 31 Stand support members 84, which the products from the drop point Carry 20 to the transfer point 30. The sliding plate 21 does not apply in this case. Figures 6 and 7 show another Variant in which the toothed belts 24, 25 or conveyor chains below the working section 31 are arranged. The drivers 27 are mounted on support bodies 85, the one group 26 of Support bodies 85 on the belt 24, the other group 26 on the belt 25 is attached. The bodies 85 have (except at both ends of group 26) on both sides of the carriers 27 wings 86.

Mit der erfindungsgemässen Vorrichtung wird eine hohe Flexibilität erreicht. Die Produkte 12 können in den Behältern 33 wahlweise als auf Kante stehende Gruppe 74 oder als Stapel eingefüllt werden. Es ist ein modularer Aufbau möglich. Das Einfüllen von Gruppen 74 in die Behälter 33 erfordert nur wenige Schritte, so dass die Produkte 12 geschont werden. Es wird eine hohe Durchsatzleistung erzielt (bis zu 800 Stück/min.). Es kann gleichzeitig eine ganze Reihe von Verpackungsbehältern 33 gefüllt werden. In den Figuren 1, 2 und 5 sind beispielsweise die zu befüllenden Behälter 33 als vier nebeneinander angeordnete, zusammenhängende Dreiergruppen 89 dargestellt, wobei der Abstand benachbarter Behälter 33 zwischen den Gruppen 89 etwas grösser ist als der Behälterabstand innerhalb der Gruppen 89. Dementsprechend sind auch die Gruppen 26 von Mitnehmern 27 in DreierUntergruppen unterteilt, die durch entsprechend dickere Mitnehmer 27c voneinander getrennt sind. Diese periodisch ungleichen Intervalle zwischen den Mitnehmern 27 sind in der Steuereinrichtung 13 entsprechend einprogrammiert, so dass anhand der Signale des Fühlers 18, eines allfälligen Drehwinkelgebers des Antriebs des Bandes 10 und des Drehwinkelgebers 29 ein Eintakten der Produkte 12 zwischen die Mitnehmer 27 präzis erfolgt. Bei einer Zufuhrrate der Produkte 12 auf dem Band 10 von z.B. 720 Stück/min. ist deshalb die Taktfrequenz des Ausschubvorgangs 1 Hz. Bei entsprechend längerer Gruppe 32 von Behältern 33 und längerer Arbeitsstrecke 31 kann diese Taktfrequenz weiter verringert werden.A high degree of flexibility is achieved with the device according to the invention reached. The products 12 can optionally be in the containers 33 filled in as a standing group 74 or as a stack become. A modular structure is possible. The filling groups 74 into containers 33 requires only a few steps, so that the products 12 are spared. It will be high Throughput achieved (up to 800 pieces / min.). It can a whole series of packaging containers 33 filled at the same time become. In Figures 1, 2 and 5 are, for example container 33 to be filled as four arranged side by side, connected groups of three 89 shown, the distance adjacent container 33 between the groups 89 slightly larger is corresponding to the container spacing within groups 89 are also the groups 26 of carriers 27 in groups of three divided by correspondingly thicker drivers 27c are separated from each other. This periodically unequal Intervals between the drivers 27 are in the control device 13 programmed accordingly, so that based on the signals of the sensor 18, a possible rotary encoder of the drive of the belt 10 and the rotary encoder 29, the products are clocked in 12 between the driver 27 is done precisely. At a feed rate of the products 12 on the belt 10 of e.g. 720 pieces / min. is therefore the clock frequency of the extension process 1 Hz longer group 32 of containers 33 and longer working distance 31, this clock frequency can be reduced further.

Claims (10)

Vorrichtung zum Zuführen von Produkten (12) zu einer Verpackungsmaschine, umfassend: mindestens zwei längs einer Arbeitsstrecke (31) zwischen einer Aufgabestelle (20) und einer Übergabestelle (30) angeordnete, umlaufende Förderelemente (24, 25), welche durch je einen separaten Antrieb (28) längs der Arbeitsstrecke (31) in Förderrichtung (A) antreibbar sind, wobei von jedem dieser Förderelemente (24, 25) über einen Teil seiner Länge Mitnehmer (27) mit regelmässiger Teilung abstehen, mehrere an der Übergangsstelle (30) im Abstand dieser Teilung in Förderrichtung (A) voneinander beabstandete Schieberelemente (40), die durch Steuermittel (51-59) quer zur Förderrichtung (A) bewegbar sind, ein Förderglied (64), an dem mehrere Aufnahmeelemente (71) zur Aufnahme von Gruppen (32) von nebeneinander angeordneten Verpackungsbehältern (33) angeordnet sind, wobei die Aufnahmeelemente (71) durch das Förderglied (64) von der Übergabestelle (30) zu einer Abgabestelle (77) förderbar sind, wobei die Schieberelemente (40) an der Übergabestelle (30) die Produkte (12) von den Förderelementen (24, 25) in die Behälter (33) schieben. Apparatus for feeding products (12) to a packaging machine, comprising: at least two circumferential conveying elements (24, 25) arranged along a working path (31) between a feed point (20) and a transfer point (30), each of which has a separate drive (28) along the working path (31) in the conveying direction (A) are drivable, with each of these conveying elements (24, 25) projecting over a part of their length of drivers (27) with regular division, a plurality of slide elements (40) which are spaced apart from one another at the transition point (30) at a distance from this division in the conveying direction (A) and can be moved transversely to the conveying direction (A) by control means (51-59), a conveyor member (64) on which a plurality of receiving elements (71) for receiving groups (32) of packaging containers (33) arranged next to one another are arranged, the receiving elements (71) being conveyed by the conveyor member (64) from the transfer point (30) to one Delivery point (77) are eligible, the slide elements (40) at the transfer point (30) pushing the products (12) from the conveyor elements (24, 25) into the containers (33). Vorrichtung nach Anspruch 1, wobei an der Übergabestelle (30) von den Schieberelementen (40) die Behälter (33) in aufeinanderfolgenden Ausschubhüben derart befüllt werden, dass in den Behältern (33) Produktegruppen (74) gebildet werden.Apparatus according to claim 1, wherein at the transfer point (30) of the slide elements (40) the containers (33) in successive Extension strokes are filled in such a way that the containers (33) product groups (74) are formed. Vorrichtung nach Anspruch 2, wobei die Aufnahmeelemente (71) am Förderglied (64) wahlweise derart montierbar sind, dass eine Öffnung (73), durch welche die Behälter (33) befüllt werden, an der Übergabestelle (30) entweder annähernd horizontal oder annähernd vertikal ausgerichtet ist, so dass aus jeweils mehreren scheibenförmigen Produkten (12) Produktegruppen (74) entweder durch hochkant stehende oder durch flach liegende Produkte (12) gebildet werden.Apparatus according to claim 2, wherein the receiving elements (71) can be optionally mounted on the conveyor member (64) in such a way that an opening (73) through which the container (33) is filled are, at the transfer point (30) either approximately horizontal or is aligned approximately vertically, so that from each several disc-shaped products (12) product groups (74) either with products standing upright or lying flat (12) can be formed. Vorrichtung nach einem der Ansprüche 1 bis 3, wobei die Mitnehmer (27) der Förderelemente (24, 25) wahlweise als schiebende oder tragende Elemente ausgebildet sind.Device according to one of claims 1 to 3, wherein the Carrier (27) of the conveyor elements (24, 25) optionally as a pushing or supporting elements are formed. Vorrichtung nach einem der Ansprüche 1 bis 3, wobei die nebeneinander angeordneten Förderelemente (24, 25) einzeln oder gemeinsam um eine Achse an einem ihrer Enden schwenkbar sind.Device according to one of claims 1 to 3, wherein the conveyor elements (24, 25) arranged side by side individually or are pivotable together about an axis at one of their ends. Vorrichtung nach einem der Ansprüche 1 bis 5, wobei stromaufwärts der Aufgabestelle (20) ein Fühler (14, 18) zum Eintakten der Produkte (12) auf die Förderelemente (24, 25) und/oder zur Qualitätskontrolle der Produkte (12) angeordnet ist, insbesondere eine Lichtschranke (18) und/oder ein Höhenprofilsensor (14).Device according to one of claims 1 to 5, wherein upstream of the feed point (20) a sensor (14, 18) for Injecting the products (12) onto the conveyor elements (24, 25) and / or arranged for quality control of the products (12) , in particular a light barrier (18) and / or a height profile sensor (14). Vorrichtung nach Anspruch 6, wobei zwischen dem Fühler (14) und der Aufgabestelle (20) ein Ausstossorgan (15) für defekte Produkte (12) angeordnet ist.Apparatus according to claim 6, wherein between the sensor (14) and the feed point (20) an ejection element (15) for defective products (12) is arranged. Vorrichtung nach einem der Ansprüche 1 bis 7, wobei das Förderglied (64) durch einen umlaufenden Förderer, insbesondere zwei parallele, umlaufende Ketten (65), gebildet ist, an dem die Aufnahmeglieder (71) in regelmässigen Abständen befestigt sind.Device according to one of claims 1 to 7, wherein the Conveyor member (64) by a rotating conveyor, in particular two parallel, revolving chains (65) is formed, on which the Receiving links (71) are attached at regular intervals. Vorrichtung nach Anspruch 8, wobei die Aufnahmeglieder (71) in Reihen angeordnet sind, die an der Übergabestelle (30) annähernd parallel zur Arbeitsstrecke (31) sind.Apparatus according to claim 8, wherein the receiving members (71) are arranged in rows at the transfer point (30) are approximately parallel to the working section (31). Vorrichtung nach einem der Ansprüche 1 bis 9, wobei die Schieberelemente (40) durch Linearmotoren angetrieben sind.Device according to one of claims 1 to 9, wherein the Slider elements (40) are driven by linear motors.
EP99810377A 1998-05-26 1999-05-04 Device for feeding articles to a packaging machine Expired - Lifetime EP0960814B1 (en)

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CA2272827C (en) 2007-01-09
CA2272827A1 (en) 1999-11-26
EP0960814B1 (en) 2003-05-28
US6286290B1 (en) 2001-09-11

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