EP0526403B1 - Verfahren und Vorrichtung zur Bildung von Gruppen von Nahrungsmittelscheiben - Google Patents

Verfahren und Vorrichtung zur Bildung von Gruppen von Nahrungsmittelscheiben Download PDF

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Publication number
EP0526403B1
EP0526403B1 EP19920810565 EP92810565A EP0526403B1 EP 0526403 B1 EP0526403 B1 EP 0526403B1 EP 19920810565 EP19920810565 EP 19920810565 EP 92810565 A EP92810565 A EP 92810565A EP 0526403 B1 EP0526403 B1 EP 0526403B1
Authority
EP
European Patent Office
Prior art keywords
discs
grippers
transportation direction
conveyor belt
biscuits
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
EP19920810565
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0526403A1 (de
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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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 Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Publication of EP0526403A1 publication Critical patent/EP0526403A1/de
Application granted granted Critical
Publication of EP0526403B1 publication Critical patent/EP0526403B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
    • B65B23/10—Packaging biscuits
    • B65B23/12—Arranging, feeding or orientating the biscuits to be packaged
    • B65B23/14—Forming groups of biscuits

Definitions

  • the present invention relates to a method and a device according to the preamble of claims 1 and 4, respectively.
  • Such a device is known from CH-A-521'265.
  • columns are first formed from a carpet of biscuits lying next to one another on a conveyor belt, and the biscuits are then jammed using circumferential gripping fingers.
  • the gripper fingers transport the biscuits over one step. If two biscuits lie on top of one another below the step, they are pushed by means of a slide into group formation chambers, where stacks are formed.
  • This device has proven itself. It is disadvantageous, however, that it requires column formation and guiding as well as stowing of the biscuits. On the one hand this limits the capacity of the device, on the other hand the biscuits have to be relatively robust. This device is less suitable for break-sensitive biscuits and certain biscuit shapes.
  • the object of the present invention is to develop a method and a device of the type mentioned at the outset in such a way that high performance is achieved with careful handling of the food slices.
  • the grippers of a gripping device can be provided with a guide on the swivel axis in such devices in order to guide the lifting and lowering movement of the grippers transversely to the swivel axis, each of these grippers being assigned its own lifting motor.
  • the conveyor belt can be connected to a decoder and this to the control device.
  • the lifting movements of the grippers, the movement of the conveyor belt, the swiveling movement of the swiveling axis and the movement of the grouping chambers can be coordinated by the control device in such devices.
  • An advantage of the device according to the invention is that it can be implemented with very short transport routes, even in the case of biscuits with an irregular shape that is difficult to stack, which leads to very high outputs with little load on the products.
  • a further advantage of such a device results from the fact that the biscuits can be conveyed on, for example in reserve grouping devices, Manual packaging systems, storage, etc., and that different products and groups can be processed by simply changing the programming.
  • the device according to the invention is characterized by a very small space requirement and a good overview during the inspection.
  • Fig. 1 the device is shown schematically in perspective; in particular, the conveyor belt 1, only the outermost column 10 of the carpet mentioned and only one station B of the several stations are shown in simplified form.
  • the simplified gripper device 25 in the station B comprises three grippers 26 arranged one after the other in the conveying direction A.
  • the grippers 26 are each in a longitudinal guide 27 in the height direction Z. slidably guided and can preferably be raised and lowered by a motor 28 via a crank 29.
  • the three guides 27 are preferably mounted on a common pivot axis 30 running parallel to the belt 1 and the conveying direction A.
  • the pivot axis 30 can be pivoted by a motor 31.
  • the grippers 26 can, for example, have a suction cup 32 at the bottom, which is connected to a suction fan (not shown).
  • the motors 23, 28 and 31 and the motors 51 and 53 of the lowering device are connected to the control device 20. To simplify the illustration, the lowering device is not shown in FIG. 1.
  • the lowering device according to FIG. 2 has a vertical, but preferably somewhat inclined, transport chain 52 which serves to move the group formation chambers 5, these group formation chambers also being able to be, for example, containers, in particular made of plastic.
  • the transport chain 52 is driven by a motor 53, which is only hinted at in FIG. 2.
  • the transport chain 52 moves the containers 5 downwards, for example by the thickness of the biscuits, each time before a biscuit enters the container 5.
  • An auxiliary mechanism with levers and rods is provided for this purpose.
  • a rod 54 moves a lever 55 which is rotatable about an axis 56 of a bracket 57 to thereby form a tilting device.
  • the lever 55 causes a wing or intermediate station support 58 to tilt from an upward sloping position to a downward sloping position, which facilitates the sliding of a biscuit 3 on the wing 58 onto the last biscuit of a group 7 in the container 5.
  • a further rod 59 moves a slide 61 over a guide 60, which in each case gives the biscuit in question a push.
  • the rod 54 is supported by a further lever 62, which is rotatably mounted about an axis of rotation 63, with the aid of a cam disc acting at the other end of the lever 62 64 moves.
  • the cam plate 64 is rotatably or pivotably mounted about an axis 65.
  • the rod 59 is moved by a further lever 66, which is rotatably mounted about an axis of rotation 67, with the aid of a drive rod 68 which is connected to the other end of the lever 66 and is moved eccentrically by the cam disk 64.
  • the cam disk 64 is driven by the motor 51 (FIG. 1).
  • a ramp 69 is provided in the lower region of the transport chain 52 in order to facilitate the placement of the containers 5 on a further conveyor belt 70.
  • the device shown works as follows:
  • the biscuits 3 running at irregular intervals on the conveyor belt 1 (FIG. 1) are detected by the light barrier 19 and their position on the conveyor belt 1 is stored in the control device 20 by means of the signal from the rotary angle sensor 21.
  • the control device 20 switches on its motor 28, so that this gripper 26 is lowered and its suction cup 32 lifts this biscuit 3 from the conveyor belt 1, at least by one slice thickness.
  • the two subsequent biscuits 3 are gripped in the same way by the other two grippers 26.
  • the motor 31 swivels the three grippers 26 together into a position above the group, which is located in the area of a group formation chamber (FIG. 2).
  • the vacuum supply to the grippers 26 is interrupted briefly, so that the biscuits 3 are placed on the tiltable wing 58.
  • the support surface 58 is tilted down and the slide 61 pushes the disks 3 onto the stack 7 that is being formed.
  • the grippers 26 are pivoted back by means of the motor 31 in order to grasp the next biscuits 3 of the column 10 in the same way.
  • the transport chain 52 is transported further by approximately one slice thickness by means of the motor 53.
  • these containers 5 can alternatively be lowered in a similar manner until they are filled.
  • the next empty container 5 is then lowered approximately by the distance between two containers, and possibly a little faster.
  • the device described can work at a very high speed because the biscuits 3 do not have to be jammed and are gripped in the conveying direction A during their transport. No alignment is required so the biscuits can be gripped directly in the arrangement as e.g. from the oven or a previous treatment machine. Since no storage sections are necessary, the biscuits are handled very gently so that the device can also stack biscuits that are sensitive to breakage. Due to the omission of alignment and accumulation sections and because several grippers 26 are swiveled together, the overall length is short compared to conventional stacking devices. In addition, a very high level of operational safety can be achieved by arranging a similar reserve gripping device downstream of the regular gripping devices 25, which can serve several columns 10.
  • this reserve gripping device can take over its task. Even individual, not recorded biscuits can be picked up by this reserve gripping device, if e.g. A vacuum sensor is also mounted on each gripper 26, which reports the correct gripping of a biscuit 3 to the control device 20.
  • the device described has a modular structure, so that it can be manufactured inexpensively. It is also possible, for example, to supplement the stack with an additional, downstream gripping device 25 after checking the weight or the length of the stack 7.
  • the method according to the invention therefore allows an excellently filling of at least one-sided open containers with disk-shaped products, in particular foods such as biscuits, in such a way that at least two or three disks lying one behind the other at unequally spaced intervals are recorded in the same clock cycle, but at different points in time by lifting the discs by at least one disc height and transporting them transversely to the belt running direction by at least a whole piece width above an intermediate surface or wing and then lowering them, whereupon the discs lying on the intermediate surface in a predetermined number are conveyed together into the container by conveying means, which is lowered approximately by one slice thickness at the next cycle by the transport chain or other equivalent transport means, such as a second transport belt.
  • the conveyor belt 1 is preferably arranged horizontally and the conveyor chain 52 is arranged laterally vertically, but somewhat inclined.
  • the transport chain 52 can be a so-called double chain, for example.
  • the transport chain and the containers are preferably arranged at an angle so that even biscuits that are difficult to stack can be safely stacked.
  • a further auxiliary mechanism can be provided in order to open the upper edge of the container with a holder, for example in the manner of a shoehorn, so that even the last biscuit of a group can be safely stacked.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Discharge By Other Means (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Pile Receivers (AREA)
EP19920810565 1991-07-29 1992-07-23 Verfahren und Vorrichtung zur Bildung von Gruppen von Nahrungsmittelscheiben Expired - Lifetime EP0526403B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH225591A CH681590A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-29 1991-07-29
CH2255/91 1991-07-29

Publications (2)

Publication Number Publication Date
EP0526403A1 EP0526403A1 (de) 1993-02-03
EP0526403B1 true EP0526403B1 (de) 1995-08-16

Family

ID=4229500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920810565 Expired - Lifetime EP0526403B1 (de) 1991-07-29 1992-07-23 Verfahren und Vorrichtung zur Bildung von Gruppen von Nahrungsmittelscheiben

Country Status (4)

Country Link
EP (1) EP0526403B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH05193804A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH681590A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE59203280D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8781616B2 (en) 2011-06-27 2014-07-15 The Procter & Gamble Company Robotic unscrambler and method

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330427C2 (de) * 1993-09-08 1996-07-11 Haensel Otto Gmbh Verfahren und Vorrichtung zur Stapelbildung flacher Warenstücke, insbesondere zum Verpacken von Keksen
EP0895931A1 (de) 1997-08-05 1999-02-10 SIG Pack Systems AG Vorrichtung und Verfahren zum Transportieren von Produkten,insbesondere von Biskuits
CA2347572C (en) 2000-05-31 2009-10-20 Sig Pack Systems Ag Method and apparatus for forming item groups
ATE375946T1 (de) 2000-06-08 2007-11-15 Bosch Gmbh Robert Greifvorrichtung zum erfassen von gegenständen und verfahren zum betreiben derselben
EP1359099A3 (de) 2002-04-18 2003-11-19 SIG Pack Systems AG Verfahren und Vorrichtung zur Umsetzung von stückgutartigen Produkten in Behälter
NL1023200C2 (nl) 2003-04-16 2004-10-19 Kaak Johan H B Aangrijpinrichting en werkwijze voor het oppakken van een voorwerp.
IT1401406B1 (it) * 2010-07-30 2013-07-26 Ct Pack Srl Sistema e metodo di trasferimento e raggruppamento di articoli e macchina di confezionamento.
CN106315235B (zh) * 2016-08-31 2019-05-24 中冶华天工程技术有限公司 带行程补偿的多组并联高速码垛系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434603A (en) * 1965-12-27 1969-03-25 Palletizer Corp Loading machine
CH521265A (de) * 1970-01-05 1972-05-31 Sig Schweiz Industrieges Einrichtung zum Aufeinanderstapeln von flachen Gegenständen verschiedener Sorten, z.B. von Biskuits
ES2047392T3 (es) * 1990-04-23 1994-02-16 Sig Schweiz Industrieges Procedimiento y dispositivo para la formacion de grupos de lonchas de alimentos adyacentes con el lado plano.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8781616B2 (en) 2011-06-27 2014-07-15 The Procter & Gamble Company Robotic unscrambler and method

Also Published As

Publication number Publication date
EP0526403A1 (de) 1993-02-03
DE59203280D1 (de) 1995-09-21
CH681590A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-04-30
JPH05193804A (ja) 1993-08-03

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