EP3672892A1 - Système de transport et utilisations d'un tel système - Google Patents

Système de transport et utilisations d'un tel système

Info

Publication number
EP3672892A1
EP3672892A1 EP18759598.8A EP18759598A EP3672892A1 EP 3672892 A1 EP3672892 A1 EP 3672892A1 EP 18759598 A EP18759598 A EP 18759598A EP 3672892 A1 EP3672892 A1 EP 3672892A1
Authority
EP
European Patent Office
Prior art keywords
guide tube
transport
drive
magnetic
transport system
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Withdrawn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
EP18759598.8A
Other languages
German (de)
English (en)
Inventor
Studer MARKUS
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.)
Studer Maschinenbau AG
Original Assignee
Studer Maschinenbau AG
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 Studer Maschinenbau AG filed Critical Studer Maschinenbau AG
Publication of EP3672892A1 publication Critical patent/EP3672892A1/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Withdrawn legal-status Critical Current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
    • B65G54/025—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic the load being magnetically coupled with a piston-like driver moved within a tube
    • 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
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02—Belt- or chain-engaging elements
    • B65G23/18—Suction or magnetic elements

Definitions

  • the present invention relates to a transport system in particular for the sequential processing of transported goods treated with the transport system in a subsequent process, for example foods such as meat, cheese, but also other hygienic and / or sterile products or in a clean room, as well as uses of such a transport system.
  • the processed goods between different stations are usually moved via a transport system, which receives the processed goods continuously or from each processing station Processing station with holding times moved forward.
  • a problem with such systems is the fact that the cleaning of the transport systems, which necessarily have a mostly mechanical or electrical drive, is difficult, since the drives comprise a large number of movable small parts, which in turn open up possibilities that germs in crevices and cracks are difficult can be removed.
  • the present invention relates to a transport system with at least one drive, at least one trolley and at least one guide element, along which the at least one trolley can be moved indirectly by the at least one drive.
  • the system according to the present invention is characterized in that the guide element is formed as an interior having, forming a closed circle guide tube, which also serves as a support member for the trolley.
  • at least one transport element is arranged in the interior of the guide tube, which is driven by the outside of the guide tube arranged drive and which, coupled with the trolley, the trolley along the guide tube shifts. The coupling between the transport element and the trolley takes place exclusively by magnetic interaction through the wall of the guide tube.
  • the guide tube is preferably made of a non-magnetic and / or non-magnetizable metal, for example made of stainless steel, but may also have on the inside and / or outside a coating, such as plastic. Alternatively, it is possible to form the guide tube made of an optionally glass fiber reinforced plastic.
  • a particularly preferred closed transport system in which the usually present chain or conveyor belt, d. H. the movable element of the transport system is completely encapsulated.
  • Such a transport system can, in particular, when the drive is completely sealed with the guide tube, be cleaned easily and using not possible in conventional transport systems harsh chemicals and mechanical stress.
  • a transport system of this kind is characterized in that the guide tube is completely circumferentially closed at least in one processing area of the transport system, preferably over the entire length of the guide tube, and only one spatially in the region of the at least one drive Drive limited passage opening, through which passage opening a drive element of the drive in non-positive and / or positive engagement with the transport element engages around to move the transport element, wherein preferably the passage opening is preferably completely closed by at least one housing part of the drive.
  • the drive also takes place via a magnetic interaction.
  • the drive has permanent magnets or electromagnets which drive the transport element in the guide tube via a magnetic interaction.
  • Such a drive may comprise a number of electromagnets, each of these magnets being driven sequentially so that the respective pulse drives the magnetic ball forward.
  • the guide tube may alternatively be inserted into a, for example, 1 m long magnetic coil, the balls may in this case also consist of steel, and are then driven forward on the basis of the magnetic field lines of the current-carrying magnetic coil.
  • the transport element may have a plurality of guided in the guide tube individual elements, preferably in the form of balls, which are sort of lined up in the guide tube.
  • These individual elements may according to a further preferred embodiment, via at least one common connecting element, preferably in the form of a running in the guide tube rope, which runs particularly preferably runs on a central axis of the guide tube and be guided.
  • a rope is not mandatory, it is also possible to provide the individual elements loosely in the guide tube, but at least the magnetic elements should preferably be stabilized in their orientation to the axis, which can then be done, for example, that substantially on the axis arranged projections of the guide tubes or depressions are provided, which interact with recesses or projections of adjacent elements so that the elements on the guide tube can not rotate.
  • one of the magnetic poles of the corresponding ball is directed forwards and the other magnetic pole is directed backwards or perpendicular thereto (i.e., radial to the direction of travel), e.g. to the left and to the right.
  • the individual elements along the course of the guide tube are each lined up adjacent to each other.
  • the individual elements need not all be attached to this typically made of metal or plastic (optionally braided from a low-stretch material) existing rope, but can also be wound only, ie the individual elements have a through hole through which the rope is pulled through , At regular intervals but should preferably be arranged clamping balls, which are non-positively, positively and / or materially connected to the rope.
  • the rope forming a closed circle is preferably connected to one another in a so-called connection balls substantially at the free ends.
  • clamping balls and connecting balls have through openings which run up to the central through-opening for the cable, in which through-openings fixing screws or pins are guided, which can then be screwed in by clamping the cable.
  • the individual elements may be formed, for example, as currently magnetizable elements, but they are preferably at least partially formed as permanent-magnetic elements which are preferably arranged in the direction of travel of the transport element so that the magnetic north pole points in one direction and the magnetic south pole in the other direction or perpendicular thereto (ie radially to the direction), eg left and right with regard to direction
  • the transport element can preferably comprise both nonmagnetic elements and, for the most part, preferably at a regular interval and at least one, preferably at least 2, more preferably in the range of 3-10 nonmagnetic elements, such permanent magnetic elements ,
  • the individual elements are preferably designed in the form of spheres, whose outer diameter is greater than half the inner diameter of the guide tube having a circular cross-section, wherein preferably the outer diameter of the balls in the range of 0.5-10 mm, preferably in the range of 2-5 mm is less than the inner diameter of the guide tube at least in a region in which the guide tube extends substantially straight.
  • the guide tube preferably has a circular cross-section. However, it can also have a rectangular or square or generally polygonal cross section.
  • the individual elements can then also be designed in the form of spheres.
  • the drive has at least one toothed wheel, the axis of which is arranged substantially perpendicular to the central axis of the guide tube, and whose tips engage in free areas between the individual elements arranged preferably adjacent to one another, moreover preferably if the individual elements are configured as spheres , Subcircle Roll sections of the gear substantially form-fitting on areas of the spherical surface.
  • the at least one trolley may comprise at least one pair, preferably at least 2 or 3 pairs of rollers rolling on the surface of the guide tube. Their axes preferably run parallel to a tangent to the surface of the guide tube at the point of contact of the respective roller on the surface.
  • the trolley floats around the pipe.
  • the magnets are preferably to be dimensioned so that the trolley remains stable, regardless of the planned load.
  • rollers are, preferably in pairs, distributed per dolly at different circumferential positions around the circumference of the guide tube.
  • the at least one trolley may comprise at least one, preferably offset in the direction of the guide tube, 2, which encompasses the circumference of the guide tube to an angle range of at least 10 °, preferably at least 30 °.
  • a pair of rollers is preferably arranged at the respective free ends of the bracket, and further preferably in the presence of 2 straps, these are connected in the axial direction via a connection region.
  • rollers are arranged on this connection region or on axial expansions thereof.
  • the at least one transport vehicle may have magnetic elements arranged in or on the bracket, preferably permanent magnets, in particular preferably embedded in magnetic recesses of the respective bracket.
  • the magnets are preferably aligned with their polarity along a radial direction with respect to the central axis of the barrel.
  • the magnetic elements with their polarity in one stirrup are exactly the opposite or the same orientation than at the other Hanger.
  • the distance of the two brackets in the axial direction is preferably in the range of 0.5-1.5 times the diameter of a magnetic ball of the transport element, in particular in the range of 0.8-1.2 of this diameter.
  • the at least one trolley for example, hangs on the guide tube, and may for the transport of goods to be processed on the underside of a fastener, particularly preferably in the form of a hook, have.
  • the respective trolley can also run on the guide tube, then preferably a second, preferably parallel to the guide tube running further support member is arranged, which does not necessarily have a transport element, and on and / or on which another trolley runs, and on guide tube respectively carrying element parallel running dolly are connected via at least one cross connection.
  • the transport element is preferably formed at least partially from a series of plastic balls.
  • the guide tube may have distributed over its length at least 2 suspension elements, which are preferably arranged such that the trolley can pass unhindered by the suspensions.
  • the transport system preferably has at least 2, preferably at least 3, more preferably 5-40 or 10-20 transport vehicles or is adapted to move such a number of transport vehicles, preferably the Transport carriage distributed over the closed length of the guide tube can be magnetically coupled to the transport element in each case.
  • the present invention relates to the use of such a transport system in food processing, in a clean room, or other sterile or at least hygienic environment.
  • FIG. 1 shows an overview of the transport system, in which a) a side view, in b) a view from above, in c) a perspective view obliquely from above and in d) a front view are shown;
  • Fig. 2 shows a drive for such a transport system in different
  • Fig. 3 shows the drive chain, wherein in a) the entire drive chain is indicated in a perspective view, in b) a section through a portion of the drive chain, in c) a section through the connecting portion of the drive chain and in d) a perspective partially transparent representation of connection group;
  • Fig. 4 the trolley, wherein in a) a front view is given in b) a
  • Fig. 5 further representations of the trolley, wherein in a) a side view is given with partial section, in b) the section along AA in Figure a), in c the section along BB in a), in d) the section along C-10 in Figure a, in e) the section along D in Figure a) and in f) is a perspective view;
  • FIG. 6 representations of a transport system with lying trolley, wherein in a) a front view, in b) a side view, in c) a plan view and in d) a perspective view are given; 7 shows a representation of drives with magnetic interaction, wherein in a) - d) different representations of a first drive with a series of electromagnets are shown, in a) an axial section, in b) a side view, in c) a plan view and in FIG d) the detail according to A in b) and in e) another drive with a coil is shown in an axial section;
  • Fig. 8 representation of a bracket of a transport device, analogous to the representation in Figure 5c), in which no rollers are required.
  • the transport system 1 has a circumferential, closed guide tube 2, which has straight straight portions 6 and two opposite curved portions 7.
  • This guide tube 2 can be attached via suspension elements 5, for example, to a ceiling or to another frame in a production space or processing space. These suspension elements 5 are distributed over the length of the guide tube 2.
  • the transport system has a drive 3, which will be discussed in detail below.
  • the drive is designed in this case as a drum motor, but it can also be a geared motor.
  • This trolley 4 can be moved around the drive 3 circumferentially unhindered circular along the entire guide tube. They shift in parallel and at a constant distance, but not necessarily.
  • the above-mentioned drive 3 is detailed in different views.
  • the drive 3 serves to move a guided in the interior of the guide tube drive element in the form of a drive chain 15.
  • the drive 3 is connected via two fastening elements 8 to a support element, not shown here, e.g. fastened by screws 10.
  • the drive 3 designed here as an electric motor has two lateral extensions which are covered by respective lateral housing regions 11. Next, there is a central housing portion 12 with a larger diameter. The lower portion of this housing 12 forms a direct and contacting terminal portion 14 to the Guide tube 2 and sealed from the central housing portion enclosed inside the machine housing completely in relation to the guide tube 2. There are tapered projections on both sides as Wagenentrierept 13, which should prevent a trolley, if he is not exactly centered on the drive section runs up, is brought into the correct rotational position.
  • the drive 3 has two fastening extensions 17 projecting in the axial direction, which are preferably configured asymmetrically in order to transmit the applied torque, for example to the flanks of the recesses 9 in the fastening element 8.
  • the above-mentioned drive element 15 in the form of the drive chain has a series of balls 18 which are connected to each other via a cable 16. These balls, which have a slightly lower Aussendurclrmesser than the interior of the guide tube 2, form a series of the drive chain.
  • the balls although they adjoin one another, each leave an open area 25 radially outside.
  • the individual balls 18 each have a central passage opening through which the guide cable 16 passes.
  • the guide tube 2 has an elongated, extending in the axial direction slot 24 or a recess, where the drive chain 15 is exposed accordingly.
  • the drive 3 now has a drive gear 19 which is driven via an intermediate element 21 on the drive shaft 20 of the corresponding electric motor, here a drum motor. This gear engages through the recess 24 and to the drive chain 15.
  • the power transmission from the drive to the drive chain thus takes place completely mechanically in this embodiment.
  • the drive gear used in this case is adapted to the configuration of the drive chain 15. It has a series of tips 23, between each of which pitch circles sections 22 are arranged, which are concave, and which respectively, as shown in particular in Fig. C). can be seen, are adapted to the radius of the balls 18.
  • the drive chain 15 is shown in detail. Again, the drive chain 15 along its course length is analogous as shown in Fig. 1 in the sense of a closed elongated oval. But it must be emphasized that this construction is just characterized in that the guide tube can in principle form any three-dimensional curves as a closed circle, that is, it must not, as shown in these embodiments, the closed circle of the guide tube lie in a plane.
  • the drive chain 15 is sort of strung in the sense of a string of pearls on a rope, here an Inox rope with a diameter of 2.5 mm. It is e.g. stretched by hand.
  • the drive chain 15 typically runs in a non-magnetic guide tube, which is designed as a stainless steel tube, for example with an outer diameter of about 48 mm and a wall thickness of about 2.5 mm. It may also be Inox e.g. 1.4301, heat treated and pickled. Preferably, the surface roughness of the tube on the inside (excluding welded joints) unprocessed approximately Ra 0.8 - Ra 1.6.
  • the guide tube 2 is formed with a circular cross-sectional area, but it may also be a square tube or another polygonal tube element.
  • the drive chain 15 has mainly balls 26 made of plastic, which are not magnetic, for example, POM.
  • the balls 26 have a diameter of 40 mm and each have a central axial bore with an inner diameter of 3.5 mm.
  • the surface roughness of the balls 26 is preferably in the range of Ra 1.6 (N7).
  • Non-magnetic balls 26 are, unless otherwise noted, simply mounted on the rope 16.
  • a magnetic ball 27 there is a magnetic ball 27.
  • These magnetic balls 27 are made of neodymium, for example, and also have an outer diameter of 40 mm.
  • the material is NdFeB and the ball 27 has a chrome-nickel based coating (Ni-Cu-Ni-Cr). It is a sintered material with a magnetization of N40 and a Curie temperature of 310 degrees Celsius.
  • the remanence is 12600-12900 G or 1.26-1.29 T.
  • the coercivity bHc is 10.5-12.0 kOe and 860-955 kA / m, respectively.
  • the coercive field strength is equal to or greater than 12 kOe 955 kA / m.
  • These balls, the magnetic balls 27, have a central bore of 3.5 mm inner diameter for the cable 16.
  • the balls 27 have a north pole 28 and a south pole 29. In between There is a virtual parting plane 51, and this is substantially perpendicular to the bore, that is, the magnetic balls 27 are drawn with their polarity along the direction of the cable 16 on this.
  • the drive chain 15 is thereby closed and fastened, as shown in FIGS. C) and d).
  • a central connecting ball 31 this may consist of metal or plastic, which in turn has a central bore for the continuous rope 16, but on the other hand via branches 36, over which the respective free end of the rope can be pulled out and stretched by hand ,
  • clamping openings 34 which can be configured for example with an internal thread, so that in each case from one or both sides clamping screws 35 can be screwed in and so clamped the cable 16 in the corresponding final position non-positively can be. This on both sides, so that both free ends can be fixed to the closed circle.
  • a clamping ball 30 is preferably arranged on both sides of this connecting ball 31.
  • These clamping balls 30 are in themselves the same as the non-magnetic balls 26, but also have up to the central bore for the cable passing through clamping openings 32, in which clamping screws 33 are screwed, and which, analogous to the connection ball, serve to here now continuous rope 16 non-positively connected to the corresponding ball 30 frictionally.
  • FIG. 4 A suitable for such a construction trolley 4 is shown in Fig. 4.
  • the trolley 4 has two spaced apart in the axial direction of the bracket 38 respectively 39, which partially surround the guide tube 2 from below, about 270 degrees.
  • two rollers 41 and 42 are arranged, which roll on the outer surface 45 of the guide tube 2.
  • the two brackets 38 and 39 which are arranged axially offset, are connected via an axial Connection area 40 connected to each other.
  • a hook 37 is arranged at the bottom of this axial connection region.
  • the hook 37 is preferably rotatably supported by a pivot pin 63.
  • the axial connection region 40 has two axial extensions 62, on which, resting from the bottom to the guide tube 2, two stabilizing rollers 43 and 44 are arranged.
  • coupling magnets 52 are arranged so as to guide a repulsion of the south pole corresponding to the magnetic ball 27 on the left side.
  • the coupling magnets 52 are here so, as can be seen in particular from Fig. 5c), arranged so that the south pole 53 is directed radially inward and the north pole 54 to the outside.
  • the right-side stirrup 39 which is just about a ball diameter in the axial direction, is now to some extent formed with the reverse polarity, so that it is adapted to the underlying at this point north pole 28 of the magnetic ball 27.
  • the coupling magnets 52 are the coupling magnets 52, as can be seen in particular from FIG. 5d), arranged so that the north pole 54 points radially inward and the south pole 53 radially outward.
  • the magnetic coupling takes place in any case through the wall of the guide tube.
  • the coupling magnets designed here as permanent magnets as electromagnets, which then also makes it possible, for example, by a wireless control on the transport carriage for example selectively decouple from the drive respectively to couple again.
  • the drive is designed as a drum motor, ie as an electric motor.
  • the interaction with the drive chain is mechanical.
  • FIG. In the drive, which is shown in Figures 7 a) -d) in different representations, a series of electromagnets 64 along the guide tube 2 in a housing 65 is arranged.
  • the series of electromagnets 64, each with a coil and a core, are sequentially driven so that a lying below the respective magnet magnetic ball 27 is conveyed.
  • the speed with which the individual magnets 64 are sequentially driven in sequence then also corresponds to the transport speed of the drive chain.
  • the length of this drive must be at least as large as the distance of 2 magnetic balls 27 of the drive chain 15 to ensure redundancy and a greater power transmission to the drive chain 15, it may be advantageous to make the length of the drive so that at least 2 or even more magnetic balls come to lie within the range of action of the drive.
  • Such a drive is arranged at the top of the trolley according to FIG. 5 and also has trolley centerings 13.
  • the magnetic drive is realized here via a magnetic coil 67, which is arranged in a jacket, and whose windings are guided around the guide tube 2.
  • the balls of the drive chain which ensure the coupling of the drive, in this case need not be magnetic balls, but may also be steel balls 66.
  • the current flowing in the coil 67 generates a magnetic field inside the coil, which drives the balls in one direction.
  • first bracket 64 electromagnets, single second bracket solenoid coils with cores Housing, jacket sleeve 67 solenoid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Mechanical Conveyors (AREA)

Abstract

L'invention concerne un système de transport (1) présentant au moins un dispositif d'entraînement (3), au moins un chariot de transport (4) et au moins un élément de guidage (2) le long duquel ledit au moins un chariot de transport (4) peut être déplacé indirectement par ledit au moins un dispositif d'entraînement (3). Le système est caractérisé en ce que l'élément de guidage est conçu comme un tube de guidage (2) présentant un espace interne (50) et formant un cercle fermé, qui sert simultanément d'élément de support pour le chariot de transport (4), en ce qu'au moins un élément de transport (15), agencé dans l'espace interne (5) du tube de guidage (2), est entraîné par le dispositif d'entraînement (3) agencé à l'extérieur du tube de guidage (2) et déplace, lorsqu'il est accouplé avec le chariot de transport (4), le chariot de transport (4) le long du tube de guidage (2), l'accouplement entre l'élément de transport (15) et le chariot de transport (4) ayant exclusivement lieu par interaction magnétique à travers la paroi du tube de guidage (2).
EP18759598.8A 2017-08-23 2018-08-20 Système de transport et utilisations d'un tel système Withdrawn EP3672892A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH10492017 2017-08-23
PCT/EP2018/072447 WO2019038234A1 (fr) 2017-08-23 2018-08-20 Système de transport et utilisations d'un tel système

Publications (1)

Publication Number Publication Date
EP3672892A1 true EP3672892A1 (fr) 2020-07-01

Family

ID=61226348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18759598.8A Withdrawn EP3672892A1 (fr) 2017-08-23 2018-08-20 Système de transport et utilisations d'un tel système

Country Status (2)

Country Link
EP (1) EP3672892A1 (fr)
WO (1) WO2019038234A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110371143A (zh) * 2019-08-14 2019-10-25 深圳市施罗德工业集团有限公司 一种轨道车和轨道信息采集装置
DE102022129067A1 (de) * 2022-11-03 2024-05-08 Weber Schraubautomaten Gmbh Transportsystem

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BE629093A (fr) *
DE826423C (de) * 1949-03-10 1952-01-03 Albert R De Burgh Foerdervorrichtung
US3187596A (en) * 1961-08-02 1965-06-08 Frank J Doerr Ball chain drive with ball ejection means
US3847502A (en) * 1971-10-01 1974-11-12 J Isbell Conveying and force producing means
US3882791A (en) * 1973-10-01 1975-05-13 Ltd Ets Combined fluid and magnetic transmission system
DE2634943A1 (de) * 1976-08-04 1978-02-09 Bergwerksverband Gmbh Verfahren und einrichtung fuer den personentransport, insbesondere in geneigten und/oder niedrigen bergbaustrecken
US4805761A (en) * 1987-07-14 1989-02-21 Totsch John W Magnetic conveyor system for transporting wafers
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JP2000053251A (ja) * 1998-08-06 2000-02-22 Norio Monzen 球状マグネットを用いた搬送装置
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DE10036187A1 (de) * 2000-07-24 2002-02-07 Dietmar Neuhaus Antrieb für ein Transportsystem
JP2006044829A (ja) * 2004-08-02 2006-02-16 Sumitomo Metal Ind Ltd 非接触式移送システム
JP5070257B2 (ja) * 2009-07-31 2012-11-07 株式会社石野製作所 飲食物搬送装置
JP6616954B2 (ja) * 2015-03-31 2019-12-04 あおい精機株式会社 搬送装置
CN206111970U (zh) * 2016-10-24 2017-04-19 上海施步新能源科技有限公司 一种驱动机构

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