WO2013029962A1 - Partie courbe à rouleaux destinée à des convoyeurs à chaîne comprenant des supports de rouleaux distincts - Google Patents

Partie courbe à rouleaux destinée à des convoyeurs à chaîne comprenant des supports de rouleaux distincts Download PDF

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Publication number
WO2013029962A1
WO2013029962A1 PCT/EP2012/065637 EP2012065637W WO2013029962A1 WO 2013029962 A1 WO2013029962 A1 WO 2013029962A1 EP 2012065637 W EP2012065637 W EP 2012065637W WO 2013029962 A1 WO2013029962 A1 WO 2013029962A1
Authority
WO
WIPO (PCT)
Prior art keywords
curve
sliding surface
rollers
profile
roller carriers
Prior art date
Application number
PCT/EP2012/065637
Other languages
German (de)
English (en)
Inventor
Till GUENER
Wolfram Baier
Peter Ludwig
Hans-Peter Buttau
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 WO2013029962A1 publication Critical patent/WO2013029962A1/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
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
    • B65G17/08—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element
    • B65G17/086—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element specially adapted to follow a curved path
    • 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
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/16—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors for conveyors having endless load-carriers movable in curved paths
    • 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
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/20—Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
    • B65G21/22—Rails or the like engaging sliding elements or rollers attached to load-carriers or traction elements

Definitions

  • the invention relates to a curve E for a conveyor according to the preamble f of claim 1.
  • a curve for a conveyor is known.
  • the curve surrounds a conveyor chain which is movably guided by a cam carrier.
  • the conveyor chain consists of a plurality of mutually identical chain links 16, which are pivotally connected to each other at joints 1 1.
  • the chain links are provided with a catching means in the form of a flat plate v, which conveyed material can take along frictionally. Instead of the flat plate, it is also known that the plates, blades or brushes project perpendicularly from the chain link.
  • the Kurv carrier is in one piece in the form of a
  • Aluminiumstrangpresspro fils formed. It accordingly has a constant cross-sectional profile.
  • the straight after the extrusion curve carrier is brought in a separate bending process in one of the curves e corresponding, curved shape.
  • the cam carrier has an inner and an outer sliding surface which run in a plane, being bent and arranged parallel to each other.
  • Chain links lie with their flat plate on said sliding surfaces.
  • a series of rotating rollers is provided, the axes of rotation of which are aligned perpendicular to the sliding surfaces.
  • the chain links are urged against the rollers by the chain pulling force, so that they can move with their
  • Curve inner side are supported on the rollers friction.
  • a disadvantage of the known curve is the elaborate installation of the rollers in the Kurv enexcellent.
  • the object of the present invention is to provide a Kurv e provide that can be made einf acher. It should be for
  • this object is achieved in that a plurality of separate roller carriers are provided, on which the rollers are rotatably mounted, wherein the roller carrier along the inner sliding surface and arranged on the
  • Cam carriers are attached.
  • the separate roller carriers with the rotatable rollers can be made the same for different curve angles and curve radii.
  • the curve angle can be varied by the number of roller carriers. Since the individual slide carriers are short and the radius of curvature is large, one and the same roller carrier can be used for different curve radii. The resulting errors in the positional deviation of the rollers from the ideal position are easily compensated by the pivotally interconnected links.
  • roller carriers with the rotatable rollers can be pre-assembled and stored at a reasonable cost.
  • Curve angle the pre-assembled parts can be mounted quickly and with little effort to the finished curve.
  • roller carriers preferably all roller carriers, including the associated rotatable rollers may be formed equal to each other.
  • the roller carrier with the rollers can thus be produced inexpensively in series. Since only one or a few variants of roll carriers are required, they can be stored with little effort.
  • the cam carrier may include an inner and an outer elongated cam profile, each having a substantially constant cross-sectional shape, wherein the inner sliding surface is disposed on the inner cam profile and the outer sliding surface on the outer cam profile, wherein the roller carriers are disposed between the inner and the outer cam profile , The inner and the outer
  • Curve profile can be used for all curve radii with the same cross section
  • curve profiles can be used for different widths of the cam carrier or conveyor chains.
  • the curve profiles are preferably made of aluminum by extrusion and are therefore straight in the raw state. Only when a
  • the curve profiles are bent to the desired curve radius, so that the
  • the proposed curve profiles can be bent with low bending forces, since they have a small width. There is enough space between the curve profiles to accommodate the roller carriers.
  • the cam carrier may include a plurality of separate transverse connectors that rigidly interconnect the inner and outer cam profiles, the roller carriers being supported by two adjacent cross connectors. Differently wide cam carriers can be produced from identical cam profiles, whereby only cross connectors of different lengths are used.
  • Roller carrier for all different widths of Kurv enarris are preferably identical.
  • the width of the roller carrier must therefore be aligned with the curve carrier with the smallest width.
  • a distance between the roller carriers and the curve profiles is present. However, this does not bother if you fasten the roller carrier to the crossover binder.
  • the roller carriers may have two pins, which point to the cross connector, wherein the transverse connector associated pin of two adjacent roller carrier transverse to its extension direction adjacent to each other in the Querv binder intervene.
  • the pins are preferably point-symmetrical with respect to M the middle point of the roller carrier arranged.
  • the corresponding cross connectors are made example of aluminum in the extrusion process, so that they can be provided with little effort with pin recesses.
  • Zapfenausloislessness are adapted to the said pin, so that the
  • roller carriers are held substantially free of play by the cross connectors. Because of the proposed arrangement of the pins, the pin recesses can be arranged side by side on the cross connector, so that the cross connector has a small width. Consequently, the distance between two roller carriers and thus the area in which no rotatable rollers can be arranged, is small.
  • roller bearer extends away and is attached to this.
  • the support by the inner and outer sliding surface is not sufficient to prevent sagging of the chain links, in particular the driving means in the form of a flat plate. It is therefore necessary to support the chain links additionally in the middle.
  • a corresponding middle sliding surface can be formed particularly cost-effective on the proposed sliding profile.
  • the sliding profile is made of plastic, so that the frictional forces between the middle sliding surface and the chain link are low. It is preferably in
  • Sliding surface can be performed without interruption.
  • the middle sliding surface accordingly has no heels or gaps at which the chain links could get caught.
  • the inner and the outer sliding surface may each be provided on a separate sliding profile, which is formed equal to the sliding profile of the central sliding surface.
  • the inner and outer sliding surface are thus made of plastic, which is why there prevail low frictional forces between the chain links and the sliding surface.
  • the corresponding slide profiles are identical to the middle slide profile designed so that the variety of parts of the curve is low, which is why the
  • the rollers may be in the form of radial ball bearings. It is particularly thought to run the outer ring of said ball bearing directly on the chain links, which are preferably made of plastic. Such roles have a particularly low frictional resistance and are very durable. They are also inexpensive.
  • Plastic is also less susceptible to wear.
  • rollers There may be provided two rows of rollers opposite to each other
  • Cam carriers are arranged, wherein each two opposite rollers are supported by a common axis, wherein the axis is held by the roller carriers.
  • the conveyor chain is usually carried out endlessly, wherein both at the top and at the opposite bottom of the cam carrier, a portion of the conveyor chain is guided so that it can rotate endlessly.
  • the rotatable rollers are also provided on the underside of the cam carrier. A particularly cost-effective attachment of the rollers is obtained if they are as proposed jew eils mounted in pairs on a common axis.
  • the roller carriers may be in the form of a cast iron, preferably as a plastic injection molding, as an aluminum die-cast part or as a zinc die-cast part.
  • parts with complex shapes can be produced inexpensively and near net shape.
  • this requires that a large number of identical parts is produced, as is the case with the roll carriers according to the invention.
  • Only the use of several separate, identical roller carrier results in the necessary high number of pieces, which is required for a cost-effective production in the casting process.
  • Roller carriers can be produced with the preferred production methods, which can essentially be used without further post-processing.
  • Fig. 1 is a perspective ische view of a curve according to the invention
  • Fig. 2 is an exploded view of part of the curve of Fig. 1;
  • Fig. 4 is a Teiiquerritt the curve, wherein the sectional plane through the bolt
  • Fig. 5 is a perspective view of the roller carrier.
  • the curve 10 surrounds a cam carrier 20, which consists of an inner curve profile 2 1, an outer curve profile 22 and a plurality of transverse connectors 30.
  • the inner and the outer curve III 2 1; 22 are each made of aluminum in the
  • cam carrier On the cam carrier three Gleitpro fiie are provided which form an inner 1 1, a middle 12 and an outer sliding surface 13.
  • the aforementioned sliding profiles have an identical, constant cross-sectional shape and are made of plastic in
  • the sliding profile with the inner flat sliding surface 1 1 is snapped onto the inner Kurvenpro fii 21.
  • the sliding profile with the flat outer sliding surface 1 3 is snapped onto the outer Kurv enprofil 22, wherein the inner and outer sliding surfaces 1 1; 13 in one plane.
  • the sliding profile with the flat central sliding surface 12 is snapped onto the roller carrier 50, wherein it extends over all six roller carrier 50 of the present curve 10.
  • the cam carrier 20 with the roller carriers 50 is formed substantially mirror-symmetrically with respect to a plane parallel to the inner or outer sliding surface 1 1; 13 runs centrally through the cam carrier.
  • Fig. 2 shows an exploded view of a portion of the curve 10 of FIG
  • Mutually formed cross-connector 30 each surround a base part 3 1 and two clamping parts 33 which are connected to the base part 3 1 via bolts 34 v.
  • the base part 3 1 is made of aluminum in an extrusion process, so that it has a constant cross-sectional shape.
  • the base part 31 is formed by a short section of the long pipe profile.
  • the clamping parts 33 can be made in the same way.
  • On the inner and outer curve profile 2 1; 22 is one each
  • dovetail-shaped extension 24 is provided, which is engaged behind by the Basisisteii 31 with an associated clamping part 33. This composite is braced with the bolts 34, so that the cross connector 30 fixed to the
  • the base part 3 1 is formed as a whole elongated, wherein it is in the radial direction with respect to the
  • Curve center point extends. It encloses two rectangular pin recesses 32 in the form of apertures, which are arranged side by side.
  • Zapfenausnaturalept 32 are substantially free of play on the pin 60 of the
  • roller carrier 50 adapted.
  • the pins 60 at the opposite ends of the roller carrier 50 are arranged so that they each in another
  • the Roiienarni 50 is integrally formed, wherein it is made for example of aluminum by die-casting.
  • the roller carrier 50 is designed so that it does not have to be reworked after the casting process.
  • Roller supports 50 are, for example, arranged at substantially constant distance from parallel axial bores 58, the axial bores 58 being oriented perpendicular to the inner 11 or outer sliding surface 13.
  • the Achsbohrept 58 are arranged on a circular arc, which follows the curve.
  • a nikzyiindiser axis 70 is received in steel, which projects beyond the roller carrier 50 at both ends.
  • a umlau end latching groove 71 In the middle of the axis 70 is a umlau end latching groove 71, which in an adapted. Rastv orsprung in the axle hole 58 engages, so that the position of the axis 70 is fixed to the roller carrier 50 positively.
  • the ball bearing 72 is preferably sealed and provided with a grease lubrication.
  • the chain link 80 comprises a base body 90, a driving means 82 and a bolt 81.
  • the entrainment means 82 is in the form of a flat plate, on which the conveyed material rests and can be taken rubbedschiüssig. The separate flat plate is thereby locked by vertically protruding from her locking hook 85 with the base 90 of the chain link.
  • the one-piece base body 90 comprises two parallel fork arms 91 and a hinge portion 94. Between the fork arms 91, the hinge portion 95 of an adjacent identical chain link is received.
  • the circular cylindrical bolt 81 made of steel is held by L-shaped BolzenausEnglishungen 92 and passes through the bolt hole 95 in the hinge portion 94 of the adjacent chain link.
  • the bolt hole 95 is provided in the itte with a narrowest cross section, which widens towards the edge, so that the bolt in the bolt hole 95 can be pivoted, so that two adjacent chain links 80 are pivotable relative to two axes of rotation.
  • the L-shaped bolt recesses 92 are closed by the separate flat plate 82 when it is locked to the base body 90.
  • At the two edges of the flat plate 82 each have an L-shaped guide plate 84 is provided, together with the flat plate 82 an associated Gieitprofli on
  • Cam carrier surrounds.
  • the underside 83 of the flat plate 82 lies on the
  • roller bearing surface 93 on the outside of the fork arms 91st
  • the roller support surface 93 is formed substantially perpendicular to the flat plate 82, and according to EP 1 054 825 B 1 it may have a concave curvature which is adapted to the radius of curvature.
  • rollers On the inside of the bend Roller bearing surfaces 93 roll the rollers (No. 30, Fig. 1) directly with their cylindrical outer rings. Since the Bolzenaus Principle 92 do not enforce the fork arms 91, they do not disturb the flow of the rollers.
  • Fig. 4 shows a partial cross section of the curve, wherein the sectional plane through the bolt. 81 of a chain link 80 extends.
  • Cross-sectional shape of the sliding profiles is then designed to fill the space between the L-shaped guide plate 84 and the flat plate 82 of the chain link 80 with a small clearance, so that the chain link 80 is guided exclusively by the sliding profiles 40 made of plastic.
  • the cross-sectional shape of the sliding profiles 40 for this purpose is substantially S-shaped, with all the legs of the S-shape are straight, with either horizontally or vertically.
  • a first leg 41 with a detent 44 forms on its outer side the flat outer sliding surface 13, wherein it rests on its inner side on a horizontal web 23 of the outer curve profile 22.
  • the parallel opposite second leg 42 of the slide 50 abuts on the other side of the horizontal web 23, wherein the locking lug 44 engages in a chamfer on the horizontal web 23.
  • the slide profile 40 is positively and play-free on the outer Kurvenpro fil 22 held.
  • the middle sliding surface 12 is provided on a third leg 43 of the sliding profile 40, which connects the first 4 1 with the second leg 42.
  • the middle sliding surface 12 supports the chain link 80 in the region of a fork arm 91.
  • the corresponding slide profile 40 is locked with a vertical web 5 1 at the various roller carriers of the curve.
  • the vertical webs have a
  • Locking recess 53 which is adapted to the latching lug 44 of the sliding profile 40.
  • the inner sliding surface is mirror-symmetrical to the outer sliding surface 13, so that in this regard reference may be made to the above statements on the outer sliding surface 13.
  • 5 shows a perspective view of the roller carrier 50.
  • the roller carrier 50 comprises a first 5 1 and a second vertical web 52, which are each formed in the form of a thin plate which is bent in a circle in accordance with the curve.
  • the distance of the first and the second vertical web 51; 52 corresponds to the distance of the Gabeiarme the chain link, so that if necessary on both vertical webs, a sliding profile for supporting the chain links can be placed.
  • a total of four substantially cylindrical bearing portions 57 are provided, in which the center hole 58 is provided for receiving the axis of the rollers.
  • the bearing portions 57 are provided with a
  • Stiffening plate 59 joined together v. Further, a plurality of V-shaped arranged struts 54 are provided, the first and the second web 5 1: 52 and the bearing sections 57 interconnect. The two end struts 55 at the opposite ends of the roller carrier 50 extend at right angles to the first and second vertical web 51; 52. The end face 56 of the Roilenarris 50 is flat, so that it can rest against the cross connectors.
  • the pins 60 are viewed in cross-section double T-shaped and extend parallel to the first and the second vertical web 51; 52nd

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chain Conveyers (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

La présente invention concerne une partie courbe (10) destinée à un dispositif de transport comprenant une chaîne de transport, la chaîne de transport présentant une pluralité de maillons (80) identiques entre eux pouvant pivoter les uns par rapport aux autres, qui présentent un moyen d'entraînement destiné aux marchandises à transporter, la partie courbe (10) présentant un support courbe (20) qui présente au moins une surface de coulissement intérieure (11) et une surface de coulissement extérieure (13) qui sont arquées et parallèles entre elles, la surface de coulissement intérieure (11) et la surface de coulissement extérieure (13) étant conçues pour servir d'appui coulissant aux maillons (80), une rangée de rouleaux (72) rotatifs se trouvant le long de la surface de coulissement intérieure (11) de sorte que les rouleaux (72) peuvent servir d'appui aux maillons (80) sur leur côté intérieur de courbe. Selon l'invention, les rouleaux (72) sont montés rotatifs sur plusieurs supports de rouleaux (50) séparés, les supports de rouleaux (50) étant disposés le long de la surface de coulissement intérieure (11) et fixés au support courbe (20).
PCT/EP2012/065637 2011-09-03 2012-08-10 Partie courbe à rouleaux destinée à des convoyeurs à chaîne comprenant des supports de rouleaux distincts WO2013029962A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110112397 DE102011112397A1 (de) 2011-09-03 2011-09-03 Rollenkurve für Kettenförderer mit gesonderten Rollenträgern
DE102011112397.4 2011-09-03

Publications (1)

Publication Number Publication Date
WO2013029962A1 true WO2013029962A1 (fr) 2013-03-07

Family

ID=46845695

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/065637 WO2013029962A1 (fr) 2011-09-03 2012-08-10 Partie courbe à rouleaux destinée à des convoyeurs à chaîne comprenant des supports de rouleaux distincts

Country Status (2)

Country Link
DE (1) DE102011112397A1 (fr)
WO (1) WO2013029962A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013215751A1 (de) 2013-08-09 2015-02-12 Robert Bosch Gmbh Umlenkvorrichtung für eine Förderkette mit gesonderter Kettenführung
DE102017004820B3 (de) * 2017-05-18 2018-09-27 Interroll Holding Ag Transportaufsatz, Zugmittel, Plattenförderer und Verfahren

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0931737A1 (fr) * 1998-01-22 1999-07-28 Rexnord Marbett S.p.A. Dispositif de rouleaux libres pour panneau de guidage pour convoyeur de marchandises
EP1054825B1 (fr) 1998-01-12 2003-07-23 Flex Industries B.V. Dispositif de manutention
US7611007B2 (en) * 2004-10-07 2009-11-03 Pteris Global Limited Conveyer system with an offset bush
EP2218661A1 (fr) * 2009-02-16 2010-08-18 BEUMER GmbH & Co. KG Convoyeur de triage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256005A (en) * 1940-11-18 1941-09-16 Robert W Wood Conveyers
DE953147C (de) * 1953-10-16 1956-11-29 Erboe Maschb Erley & Boenninge In Kurven verlegter endloser Foerderer, insbesondere Stahlgliederband
US6129202A (en) * 1998-02-18 2000-10-10 Span Tech Llc Reduced drag side flexing conveyor system
FR2885609B1 (fr) * 2005-05-13 2008-11-14 Sidel Sas Convoyeur a tapis sans fin modulaire, muni de moyens de guidage dans les portions de trajectoires courbes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1054825B1 (fr) 1998-01-12 2003-07-23 Flex Industries B.V. Dispositif de manutention
EP0931737A1 (fr) * 1998-01-22 1999-07-28 Rexnord Marbett S.p.A. Dispositif de rouleaux libres pour panneau de guidage pour convoyeur de marchandises
US7611007B2 (en) * 2004-10-07 2009-11-03 Pteris Global Limited Conveyer system with an offset bush
EP2218661A1 (fr) * 2009-02-16 2010-08-18 BEUMER GmbH & Co. KG Convoyeur de triage

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Publication number Publication date
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