EP2705594A2 - Dispositif de transport - Google Patents

Dispositif de transport

Info

Publication number
EP2705594A2
EP2705594A2 EP12716383.0A EP12716383A EP2705594A2 EP 2705594 A2 EP2705594 A2 EP 2705594A2 EP 12716383 A EP12716383 A EP 12716383A EP 2705594 A2 EP2705594 A2 EP 2705594A2
Authority
EP
European Patent Office
Prior art keywords
permanent magnet
transport device
rotor
magnet plate
linear motor
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.)
Withdrawn
Application number
EP12716383.0A
Other languages
German (de)
English (en)
Inventor
Martin Reinisch
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2705594A2 publication Critical patent/EP2705594A2/fr
Withdrawn legal-status Critical Current

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
    • B65G54/00—Non-mechanical conveyors not otherwise provided for
    • B65G54/02—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type

Definitions

  • the invention relates to a transport device according to the preamble of the independent claim. From DE 10 2009 002 609 Al a revolving transport device with improved drive concept is already known.
  • a circulating transport path comprises a curved region, an electromagnetic drive with a plurality of stationary coil elements and a plurality of permanent magnets, wherein the stationary
  • Coil elements are arranged on the transport path, and at least one rotor, which is arranged to be movable on the circulating transport path and is movable by means of electromagnetic forces, wherein the
  • Permanent magnets are arranged on the rotor, wherein in the curved area a first row of coil elements and a second elements of
  • Coil elements are arranged, wherein the second row of coil elements is arranged radially outside the first row of coil elements. A similar arrangement is also shown in DE 10 2009 029314 AI.
  • a circulating transport device in which a plurality of coils are arranged on the transport path.
  • the coils are arranged directly adjacent to each other and formed in a curved portion of the transport path so as to also in the
  • Curves areas ensure an immediate juxtaposition.
  • the coils have a shape which tapers in the direction of the inside of the curve. It is an object of the invention to provide for a rotating transport device, an arrangement which is designed so that the minimum distance between two adjacent rotor reduced and the rotor can still be moved independently. This object is solved by the features of the independent claim.
  • a transport device with the features of the independent claim has the advantage that adjacent runners can be moved independently of each other with a small distance.
  • the runners are designed so that they need no active power supply.
  • the runner comprises at least one
  • the permanent magnet plate on which a plurality of permanent magnets are arranged.
  • the permanent magnet plate is preferably made of iron in order to achieve optimum guidance of the field lines of the permanent magnets. This is preferably achieved via a conclusion using a permanent magnet plate made of iron.
  • Particularly suitable is the length of the permanent magnet plate adapted to the coil pitch of the linear motor. In particular, the length of the permanent magnet plate corresponds to an integer multiple of
  • Spool division of the linear motor which is understood as the coil pitch, the coil width plus the distance to the next coil.
  • the permanent magnet plate is executed in its length, based on the transport direction of the rotor, at least the same size as the rotor. As a result, adjacent runners can move very close to each other and be controlled independently of each other.
  • Permanent magnets on the permanent magnet plate via three coils or Coil pitches of the linear motor arranged. In the process, this leads to smaller detent forces, in particular in the case of iron-embossed linear motors.
  • the rotor has at least one base part and a side part connected thereto, wherein the permanent magnet plate is preferably arranged on an end face of the side part.
  • At least one support magnet is arranged on an end face of the side part.
  • at least one roller is arranged on the side part or on a central part connected to the base part. This improves the running characteristics of the runner. Also, the position of the rotor relative to the guide is set relatively free of play, so that also improve the drive properties due to a defined position of the permanent magnets relative to the coils.
  • At least one sliding coating is arranged on the side part. In the event of a fault, this serves to protect the permanent magnets or the entire rotor.
  • At least one target is arranged on the rotor for detecting the position of the rotor. This allows a precise procedure of the runners in a relatively small distance from each other.
  • FIG. 1 shows a side view of a circulating transport device, consisting of linear motor and runners,
  • Figure 2 shows an arbitrary arrangement of the linear motor with several
  • FIG. 3 shows a section of the linear motor with a single coil arrangement
  • Figure 4 is a permanent magnet plate relative to the
  • Figure 5 is a perspective and partially sectioned view of
  • Transport device and Figure 6 is a perspective view of the runner and the
  • Permanent magnet plate in an enlarged single view.
  • a transport device 10 consists of a plurality of linear motor elements 22. By way of example, there are semicircular at each of the ends
  • the linear motor elements 22 together with a guide 60 form a preferably circumferential transport path 11.
  • a plurality of rotors 12 can be moved independently of one another.
  • the runners 12 have permanent magnets 14, which are mounted on a permanent magnet plate 16, which will be explained later in connection with Figures 4 to 6 in more detail.
  • the linear motor elements 22 comprise coil elements 26 which generate a traveling magnetic field which, in interaction with the permanent magnets 14, causes the runners 12 to move independently of one another. All linear motor elements 22 form a linear motor 20.
  • the linear motor 20, which now consists of more complex linear motor elements 22, has an arbitrary shape. Schematically indicated is a plurality of rotors 12 which can be moved independently of each other on the transport device 10.
  • Linear motor 20 shown.
  • a plurality of coils 31 to 35 are arranged parallel next to each other, wherein the coil axes are aligned perpendicular to the transport direction 28 of the rotor 12.
  • first to fifth coil 31 to 35 are exemplified.
  • Each of the coils 31 to 35 is by its own
  • Power unit 41 to 45 supplied, indicated by an impressed voltage Ul to U5.
  • a special inverter may be provided. It is essential, however, that in particular the coils are not connected in the star, in which only the three outer sides over a
  • Inverter / power unit would be supplied, but that both terminals of the individual coils 31 to 35 are led to the outside. That is, each coil 31 to 35 there are two ports.
  • Each coil 31 to 35 is driven by a special inverter / power section 41 to 45, which has the ability to supply each coil 31 to 35 individually and independently. It could be used per coil 31 to 35 each have a single-phase inverter. This avoids the 120 ° phase shift between the three phases (UVW) that would otherwise occur in a star connection.
  • the drive control is able to drive each output of the power unit 41 to 45 or each individual coil 31 to 35 separately.
  • the controller has a device for converting individual axes of the respective rotor 12 to the
  • the linear motor 20 may be a
  • ironed motor act when between the coils 31 to 35
  • Permanent magnet plate 16 is arranged. This is rectangular in shape according to FIG. On this permanent magnet plate 16 are more
  • Permanent magnets 14 mounted. By way of example, these are five permanent magnets, wherein adjacent permanent magnets 14 each have a different one
  • Magnetic pole south pole (S) and north pole (N) have (for example, N-S-N-S-N or S-N-S-N-S).
  • the length of the permanent magnet plate 16 corresponds to three coil widths or coil pitches 38.
  • the permanent magnets 14 are arranged at a slight angle at an angle a. As a result, the cogging forces can be somewhat minimized.
  • FIG. 5 shows a transport device 10 in more detail.
  • the linear motor 20 in turn consists of several, forming a closed oval
  • Linear motor 20 are arranged perpendicular to the transport direction 28 of the rotor 12, a plurality of coil elements 26, indicated by the darker sections.
  • the permanent magnet plate 16 with mounted thereon permanent magnet 14 at a small distance from the
  • Coil elements 26 arranged.
  • the rotor 12 consists of a base 68. At one end face of a driver 62 is arranged, can be moved over the products to be transported. The side of the driver 62, a target 52 is provided, which is targeted
  • Damping a not-shown displacement measuring system is provided.
  • a central portion 66 is fixed to which a plurality of rollers 50 are mounted.
  • the axis of rotation of a roller 50 is aligned horizontally, while the axes of rotation of the two other rollers 50 offset by 90 ° are oriented vertically.
  • At the other end face of the base 68 is an upward - i. perpendicular to the plane of the base 68 - projecting plate-shaped side part 64.
  • the permanent magnet plate 16 is arranged.
  • a sliding lining 56 is disposed in a recess of the side part 64, in case it should come to a contact with the guide 60 in case of failure.
  • a further sliding coating 50 is provided below the permanent magnet plate 16 - as well as this outwardly oriented - , if it should come on the front side of the rotor 12 for contact with the fixed inner part of the transport device 10.
  • a support magnet 54 In the lower region of the side part 64, also oriented outwardly, there is a support magnet 54. This exerts a certain biasing force on the rotor 12. As a result, a backlash-free and fault-tolerant mounting of the rotor 12 is achieved.
  • On the side part 64 also two further rollers 50 are arranged in the direction of the driver 62 in such a way that their
  • Rotary axes are oriented horizontally. As indicated in FIG. 5, the respective rollers are in engagement with the respective guide surfaces of the guide 60.
  • the transport device 10 is used in particular in connection with packaging machines, for example for a loading of Packaging machines with products to be packaged used.
  • the runner 12 transports via the driver 62 directly or indirectly the articles to be packaged, such as bags, bottles, chocolate bars.
  • the preferably closed transport path can in this case lie in the horizontal or else in the vertical plane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Linear Motors (AREA)
  • Non-Mechanical Conveyors (AREA)

Abstract

L'invention concerne un dispositif de transport, en particulier pour l'alimentation d'emballeuses, qui comprend un chemin de transport de préférence circulaire, un moteur linéaire (20) comprenant une pluralité de bobines fixes (31 à 35), ainsi qu'au moins un chariot (12) qui est mobile sur le chemin de transport et qui peut être déplacé au moyen de forces électromagnétiques, au moins un aimant permanent (14) étant placé sur le chariot (12). Selon l'invention, au moins une plaque d'aimants permanents (16) est placée sur le chariot (12), au moins un aimant permanent (14) étant agencé sur ladite plaque.
EP12716383.0A 2011-05-06 2012-04-19 Dispositif de transport Withdrawn EP2705594A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011075445A DE102011075445A1 (de) 2011-05-06 2011-05-06 Transportvorrichtung
PCT/EP2012/057126 WO2012152556A2 (fr) 2011-05-06 2012-04-19 Dispositif de transport

Publications (1)

Publication Number Publication Date
EP2705594A2 true EP2705594A2 (fr) 2014-03-12

Family

ID=46001225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12716383.0A Withdrawn EP2705594A2 (fr) 2011-05-06 2012-04-19 Dispositif de transport

Country Status (3)

Country Link
EP (1) EP2705594A2 (fr)
DE (1) DE102011075445A1 (fr)
WO (1) WO2012152556A2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012224367A1 (de) 2012-12-27 2014-07-03 Robert Bosch Gmbh Linearantrieb
CN106660648B (zh) * 2014-07-25 2020-07-03 罗伯特·博世有限公司 运输设备
DE112015006555A5 (de) 2015-08-11 2018-03-01 Festo Ag & Co. Kg Positioniersystem mit wicklungsanordnung
US20180229947A1 (en) * 2015-08-11 2018-08-16 Festo Ag & Co. Kg Positioning System Comprising a Magnet Arrangement
DE102015115347A1 (de) 2015-09-11 2017-03-16 Beckhoff Automation Gmbh Magnetanordnung für einen elektrischen Motor
EP3510458A2 (fr) 2016-09-09 2019-07-17 The Procter and Gamble Company Système et procédé de production de produits sur la base de la demande
WO2018049106A1 (fr) 2016-09-09 2018-03-15 The Procter & Gamble Company Système de voie pour la création de produits finis
EP3510459A2 (fr) 2016-09-09 2019-07-17 The Procter and Gamble Company Système et procédé pour l'acheminement indépendant de véhicules chargés de conteneurs pour créer différents produits finis
WO2018049104A1 (fr) 2016-09-09 2018-03-15 The Procter & Gamble Company Système et procédé de remplissage simultané de récipients de formes et/ou de tailles différentes
EP3510457A1 (fr) 2016-09-09 2019-07-17 The Procter and Gamble Company Procédés de production simultanée de produits différents sur une seule ligne de production
EP4194378A1 (fr) 2016-09-09 2023-06-14 The Procter & Gamble Company Système et procédé pour acheminer indépendamment des véhicules et distribuer des récipients et des fermetures à des stations d'exploitation unitaires
CA3035965C (fr) 2016-09-09 2022-01-11 The Procter & Gamble Company Systeme et procede de remplissage simultane de recipients avec differentes compositions fluides
CN108336885B (zh) * 2017-07-06 2020-04-17 上海果栗自动化科技有限公司 线性马达及其动子运动定位控制装置
CN113783396B (zh) * 2021-09-13 2022-05-10 浙江大学先进电气装备创新中心 直驱式环形柔性输送系统及其协同控制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003189589A (ja) * 2001-12-21 2003-07-04 Canon Inc 可動磁石型リニアモータ、露光装置及びデバイス製造方法
EP1547230B1 (fr) 2002-06-05 2017-03-22 Jacobs Automation, Inc. Systeme de deplacement commande
WO2008125122A1 (fr) * 2007-04-16 2008-10-23 Fki Logistex A/S Système de tri avec entraînement par moteur synchrone linéaire
DE102009029314A1 (de) 2009-01-29 2010-08-05 Robert Bosch Gmbh Transportvorrichtung
DE102009002606A1 (de) * 2009-04-23 2010-10-28 Robert Bosch Gmbh Umlaufende Transportvorrichtung mit verbessertem Antriebskonzept
DE102009002609A1 (de) 2009-04-23 2010-10-28 Robert Bosch Gmbh Umlaufende Transportvorrichtung mit verbessertem Antriebskonzept

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012152556A2 *

Also Published As

Publication number Publication date
WO2012152556A2 (fr) 2012-11-15
WO2012152556A3 (fr) 2013-11-14
DE102011075445A1 (de) 2012-11-08

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