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WO2005097637A1 - Dispositif de tri et/ou de groupage - Google Patents

Dispositif de tri et/ou de groupage Download PDF

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Publication number
WO2005097637A1
WO2005097637A1 PCT/DK2005/000173 DK2005000173W WO2005097637A1 WO 2005097637 A1 WO2005097637 A1 WO 2005097637A1 DK 2005000173 W DK2005000173 W DK 2005000173W WO 2005097637 A1 WO2005097637 A1 WO 2005097637A1
Authority
WO
WIPO (PCT)
Prior art keywords
sorting
actuation
effected
batching
arrangement according
Prior art date
Application number
PCT/DK2005/000173
Other languages
English (en)
Inventor
Lars Grundtvig
Mikael Krogh
Original Assignee
Scanvaegt International A/S
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 Scanvaegt International A/S filed Critical Scanvaegt International A/S
Publication of WO2005097637A1 publication Critical patent/WO2005097637A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/76—Fixed or adjustable ploughs or transverse scrapers
    • B65G47/766—Adjustable ploughs or transverse scrapers

Definitions

  • the present invention relates to a sorting or batching arrangement of the kind where the items being worked with are fed forward on a more or less smooth conveyor, along which at one or two sides a series of receiving arrangements are placed in the form of collection containers or lead-out conveyors, in the following called receiving stations, and where for selective activation there are control elements in the form of movable sweeper elements which are arranged in a stationary manner but are controllable, and which by a movement transversely to the transport direction can bring about a sweeping-out of a given item to a selected receiving station.
  • the sorting elements typically involved are purely pivotal sweeper arms, which from an axle bearing near the one edge of the conveyor extend in a passive normal position along with this edge, and which can thus be swung in to an active inclined position over the conveyor.
  • various forms of control influences can be imposed on an item passing on the conveyor.
  • this item will abut against the inclined sweeper arm, so that by the friction-based feeding on the conveyor the items will be forced to be displaced sideways out towards the associated receiving station, but the swinging-in can also be controlled in such a manner that that it is utilised dynamically for an actual sideways ejection of the item.
  • the swinging-in can be performed in a quick and reliable manner, not only so that the work in general can be carried out with a high capacity, i.e. with minimised distance between the items and maximised speed of conveyance of said items, but also so that the arms are able to exert the striking power necessary for active side ejection of the items.
  • the swinging movements are controlled by means of quick-acting air cylinders, which cooperate with a radial arm on the pivot axle of the respective sweeper arms.
  • a package continues on the same conveyor, with a third position the package is led by the arm over to one of the additional conveyors, and with a fourth position the package is led over to the second of the additional conveyors.
  • the actuators can be driven electromechanically by means of electromotors which are not described further.
  • the arm leads the items/packages in a certain direction while the arm is positioned in a static manner, i.e. the arm is not a sweeper arm which actively, i.e. by its own movement, shoves an item away from the conveyor.
  • US 2003/010682 Al a system is known for pushing bottles from a first conveyor over to a second conveyor running next to the side of the first conveyor.
  • a sweeper arm is mounted on the spindle of a motor, so that the sweeper arm can be moved in over the conveyor.
  • This motor is a synchronous motor, more precisely a synchronous motor of the servo type, with which the movement of the sweeper arm can be controlled.
  • a focal point is that the bottles must not overturn when swept out, which among other things is taken into account by the sweeper arm being arranged to hit the bottles in the vicinity of and immediately below the centre of gravity of the bottles.
  • EP 0 850 862 A2 relates to an arrangement for pushing a series of glass articles from a conveyor into a cooling oven, where a plate can push a number of articles at the same time onto a mat in the oven.
  • This plate is controlled in three directions by means of three servo-motors, so that the plate is guided in the direction of the conveyor by a first motor, in and out of the oven by a second motor, and in upwards and downwards direction by a third motor.
  • the plate can hereby be pushed into the oven, and when the glass articles have reached in far enough, the plate can be withdrawn and raised, so that on its return the plate passes over the articles which are now fed forward on the conveyor, and so on.
  • this electrically activated movement arm is not associated with a sorting or batching arrangement such as that with the present invention, and the arm is also substantially different from a sweeper arm.
  • US 4,585,613 A relates to a system for the sorting of fruit and vegetables, where the items are conveyed on tiltable trays, so that items to be sorted out can be tilted off.
  • This can be implemented by a solenoid coil activating a release pawl which causes the tray to tilt.
  • a feeding of items on a more or less smooth conveyor along which there are placed a series of receiving arrangements and neither is any use made of selective activation of control elements in the form of movable sweeper arms, which by a movement transversely to the direction of conveyance can bring about a sweeping-out of a given item to a selected receiving station.
  • CA 1 257 557 A relates to a deflector unit for bottles which are transported on a conveyor.
  • the deflector unit has a flexible arm which at its one end is mounted, and which at the other end is connected to an additional arm. At its other end, this additional arm is arranged to be able to be displaced along the conveyor, so that the flexible arm will bend more or less in over the conveyor.
  • the actuation itself is effected by means of a pneumatic unit.
  • US 6,220,421 Bl relates to a sweeper arm for packages which is described in two different embodiments, namely a first embodiment where the packages are pushed with an arm which is pivotally mounted around a horizontal axis above a conveyor path for packages, and a second embodiment where an arm is pivotally mounted around a vertical axis above the conveyor path.
  • the arm is activated by means of a motor and a crank arrangement, where the motor is not described further in the publication.
  • individual couplings such as electromagnetic couplings can be arranged, several arms can be driven by a common drive unit.
  • the arm with which the packages are shoved is not associated with a sorting or batching unit as with the present invention, and the arm is also substantially different from a sweeper arm. It is an object of the invention to provide an improved sorting or batching machine. It is especially an object to provide such a machine which has an increased capacity and a required precision. It is a further object to provide such a machine which is especially suitable for use in the sorting and/or batching of food items and the like such as, for example, pieces of meat, fish etc.
  • Nia an associated control unit these motors can be programmed for execution of a momentary-controlled turning movement of the coupled sweeper arms via a simple drive engagement, e.g. a gearwheel connection, whereby new and very advantageous control and operation possibilities can be achieved.
  • a simple drive engagement e.g. a gearwheel connection
  • an advantage is achieved in that since no use of air is made for actuation, there will be less need for maintenance and the installation will be cheaper.
  • An immediate benefit is that in the control sequence, it will no longer be necessary to take into account the sluggishness and sluggishness variation which inevitably arises in connection with the air-operated systems, including variations in the air pressure supplied.
  • asynchronous motors which can be coupled with encoders for achieving a desired control of the motor.
  • Other embodiments where use is made of asynchronous motors also lie within the scope of the invention.
  • use can also be made of other types of electromotors.
  • yet a further preferred embodiment can comprise a worm gear which is coupled in between the activation, for example an electromotor and a sweeper wing or arm.
  • a desired gearing can hereby be achieved in an attractive manner, and at the same time a self-locking of the system can also be achieved, understood in the sense that with given gearing ratios, the sweeper arm will not be able to be influenced for movement of an item on the conveyor against the torque of the motor.
  • the one part of the drive for example the toothed part
  • the one part of the drive can be configured on the sweeper arm itself, so that among other things an exceptionally compact construction is achieved.
  • a further advantage can be obtained hereby, in that it will be possible to adapt the control function to the situation arising in practice, that although the items are perhaps fed forward with a more or less uniform and otherwise detectable mutual distance in the longitudinal direction of the conveyor, but on the other hand appear with positional deviations in the conveyor's transverse direction, which can result in appreciable precision problems with the prior art, especially with ejections of the items by impact, where the arm will hit a given item with different speed depending on whether the item has larger or smaller distance from the pivot axis of the arm.
  • fig. 1 illustrates different swinging-in sequences of sweeper arms in a batching machine according to one embodiment of the invention
  • fig. 2 is a corresponding illustration of a machine with sweeper arms of different embodiments
  • fig. 3 shows a sweeper arm which is configured with an example of a part of a worm drive.
  • Example embodiments in fig. 1 a plan view of a conveyor 2 is shown on which items 4 are fed in positions registered in a not-shown control computer. Along with the conveyor 2 a number of receiving containers 6 are placed, opposite which respective sweeper arms 8 are mounted, each of which can be swung around an axle 10 controlled by an actuator 12. In fig. 1, these sweeper arms or separator arms 8 are shown in several different positions at the same time, i.e. in different degrees of swinging-in or swinging-out over the conveyor 2. The significance of this will be explained later.
  • the actuators 12 in accordance with the invention consist of electromotors, for example servo-/stepmotors, asynchronous motors, DC motors etc.
  • the relevant swinging-in and out of the arms can be effected in a both quickly and very precisely controlled manner, so that the items 4 can be conveyed with relatively short distance between them.
  • it is relevant to influence the items for side ejection from the conveyor belt and in fig. 1 it is indicated that with the used motor or actuator control this sequence can be carried out at different speeds (stroke profiles), in that the arms in the positions shown hatched are under quicker swinging- in than in the non-hatched positions.
  • the arm 8 it is shown that at the last two positions the arm is moved more quickly than at the first three positions.
  • the angular speed is greater at the three last positions than at the two first positions.
  • the speed at the four positions where the arm is shown swung out over the belt is greater than at the start position, and at the last arm in the row the angular speed is more or less the same in all the positions shown.
  • the speed profiles shown are only simple examples and that many different speed profiles can be envisaged. These can include an actual hitting effect or a more gentle throw-out effect with gradually increasing speed. In fig.
  • FIG. 3 an example of a particularly compact construction of a worm drive for a sweeper arm 8 is shown, which at the one end is provided with a spindle hole 14 corresponding to the spindle 10 in fig. 1 and 2.
  • the sweeper arm 8 is configured over a part of the surface with obliquely-cut teeth 16 which correspond to a worm drive. If the spindle on an electromotor is configured with a worm, this can work directly on the shown teeth 16 so that the sweeper arm is turned in direct dependence of the revolutions of the motor spindle.
  • the invention can be exercised in many different ways and with the use of different part elements, including electromotors of different types, such as synchronous and asynchronous motors, DC motors, stepmotors, servomotors etc., and use can be made of various forms of couplings and/or gearing arrangements, such as worm drives and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

L'invention concerne un dispositif de tri et/ou de groupage dans lequel des articles (4) sont transportés sur un transporteur (2) ou d'une autre manière. Sur un ou plusieurs côtés se trouvent un ou plusieurs dispositifs de réception (6) se présentant par exemple sous la forme de contenants de collecte ou de transporteurs. En outre, des éléments à commande sélective activables, tels que des bras de balayage déplaçables (8), sont disposés le long du dispositif. Ces éléments de commande sont déplacés par l'intermédiaire d'un actionnement électrique mis en oeuvre, par exemple, par un électromoteur (12), tel qu'un servomoteur ou un moteur pas à pas.
PCT/DK2005/000173 2004-04-07 2005-03-15 Dispositif de tri et/ou de groupage WO2005097637A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200400568 2004-04-07
DKPA200400568 2004-04-07

Publications (1)

Publication Number Publication Date
WO2005097637A1 true WO2005097637A1 (fr) 2005-10-20

Family

ID=35124954

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2005/000173 WO2005097637A1 (fr) 2004-04-07 2005-03-15 Dispositif de tri et/ou de groupage

Country Status (1)

Country Link
WO (1) WO2005097637A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3044136B1 (fr) 2013-09-13 2017-07-05 Krones AG Appareil et procédé pour grouper des récipients
CN111559632A (zh) * 2019-12-26 2020-08-21 立宇食品（郎溪）有限公司 一种食品加工矩形入料桶
RU2820710C1 (ru) * 2023-10-27 2024-06-07 Николай Николаевич Леухин Плужок и способ его применения

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392956A (en) * 1972-07-20 1975-05-07 Dardel P J L Apparatus for handling fragile objects
US5655643A (en) * 1996-05-08 1997-08-12 United Parcel Service Of America, Inc. High speed, compound, belted diverter and method of operating same
US20030010682A1 (en) * 2001-06-27 2003-01-16 Linton Fredrick L. Container diverter
US6536580B1 (en) * 1998-09-23 2003-03-25 Siemens Aktiengesellschaft Distribution device for piece goods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392956A (en) * 1972-07-20 1975-05-07 Dardel P J L Apparatus for handling fragile objects
US5655643A (en) * 1996-05-08 1997-08-12 United Parcel Service Of America, Inc. High speed, compound, belted diverter and method of operating same
US6536580B1 (en) * 1998-09-23 2003-03-25 Siemens Aktiengesellschaft Distribution device for piece goods
US20030010682A1 (en) * 2001-06-27 2003-01-16 Linton Fredrick L. Container diverter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3044136B1 (fr) 2013-09-13 2017-07-05 Krones AG Appareil et procédé pour grouper des récipients
CN111559632A (zh) * 2019-12-26 2020-08-21 立宇食品（郎溪）有限公司 一种食品加工矩形入料桶
RU2820710C1 (ru) * 2023-10-27 2024-06-07 Николай Николаевич Леухин Плужок и способ его применения

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