WO2014037095A1 - Dispositif et procédé de nettoyage d'une chaîne de transport - Google Patents

Dispositif et procédé de nettoyage d'une chaîne de transport Download PDF

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Publication number
WO2014037095A1
WO2014037095A1 PCT/EP2013/002626 EP2013002626W WO2014037095A1 WO 2014037095 A1 WO2014037095 A1 WO 2014037095A1 EP 2013002626 W EP2013002626 W EP 2013002626W WO 2014037095 A1 WO2014037095 A1 WO 2014037095A1
Authority
WO
WIPO (PCT)
Prior art keywords
chain
fluid flow
cleaning
conveyor chain
conveyor
Prior art date
Application number
PCT/EP2013/002626
Other languages
German (de)
English (en)
Inventor
Heiko Engelke
Vedran Tadic
Original Assignee
Lubricant Consult 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 Lubricant Consult Gmbh filed Critical Lubricant Consult Gmbh
Publication of WO2014037095A1 publication Critical patent/WO2014037095A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/041—Cleaning travelling work
    • 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
    • B65G45/00—Lubricating, cleaning, or clearing devices
    • B65G45/10—Cleaning devices
    • B65G45/22—Cleaning devices comprising fluid applying means

Definitions

  • the present invention relates to a conveyor chain cleaning apparatus for removing lubricants from a conveyor chain.
  • Conveyor chains such as bolt chains, for the transport of end products and semi-finished products and for use in production must reliably fulfill their function even in the presence of high heat and heavy impurities.
  • So z. B. used in the manufacture of spray cans for printing and insulating aggressive paints that are dried and cured at high temperatures. This creates fumes and deposits on the chains, which in the course of time grow to thick layers and negatively influence the function of the chains.
  • the lubrication of the chain links, in particular the chain rollers and chain pins of bolt chains is designed to be particularly difficult and often occurs under lubrication, which leads to low service life of the chains.
  • the chain channel and the flow channel extend in a first or second direction, which extend substantially parallel to a y-direction or an x-direction of a Cartesian coordinate system.
  • a conveyor chain according to the present invention comprises a series of movable, interconnected or articulated members, preferably formed of a metal, preferably of stainless steel.
  • the conveyor chain is preferably part of a conveyor system, d. H. a plant or machine, which is suitable for conveying conveyed preferably finished products or semi-finished products.
  • the conveyor chain, in particular its articulated links, is protected by a suitable lubricant against abrasion and thus wear, wherein the lubricant is preferably at least a base liquid, preferably an oil, and additives, d. H. the concrete properties, such as the viscosity or the temperature behavior of the lubricant determining or at least influencing additives, is formed.
  • impurities z. B. originate from the conveyed goods themselves or are floating in the fluid impurity particles adhere to the lubricant and in particular by the movement of the links of the conveyor chain, the contact with the goods, the attacking on the links and between the links cross, usually gear-like drive means incorporate into the lubricant and combine with it mechanically or chemically; The lubricant then paradoxically counteracts its purpose by removing such impurities
  • Emery be carried. At certain intervals, therefore, this contaminated lubricant must be removed from the conveyor chain and replaced with a fresh, non-contaminated lubricant. But the mere chemical-physical aging of the lubricant can also be a reason to replace it.
  • a fluid-flow guide device is, in particular, a device which is suitable for directing a fluid flow introduced into it onto a fluid flow guide device. To pass through a well-defined flow path through them or pass.
  • the flow path is predetermined by the flow channel, which can be regarded as a tubular passage with a variable or constant cross-section and preferably at least one change in direction.
  • the fluid flow serves in particular as a carrier medium through which the lubricant is sucked or blown from the conveyor chain (depending on which side a corresponding device for generating the fluid flow is connected to the fluid flow guide device, see below).
  • the fluid is preferably air.
  • a fluid flow guide device has, in particular, a chain channel for receiving a longitudinal section of the conveyor chain.
  • the chain channel is preferably also a tubular passage with a variable or constant cross section.
  • the chain channel - adapted to conventional conveyor systems and thus to endless conveyor chains with, apart from deflection, substantially straight longitudinal extent in a respective direction - straight.
  • the chain channel may also have a radius of curvature deviating from the infinite or may extend in meandering fashion through the fluid flow guide device with a plurality of changes in direction.
  • the chain channel can even be part of a deflection region, so that the conveyor chain is guided therein preferably on a circular path.
  • the fluid flow guide device would also form a chain guide, which would be a constructive extension of a conventional deflection device, so that no additional devices would have to be mounted along the conveyor line.
  • the chain channel has at each point expansions in one of its cross-sectional directions, which are larger than the conveyor chain, which are to be cleaned by the conveyor chain cleaning device according to the invention.
  • the interpretation of the Chain channel represents a compromise between the smallest possible width / height, in order to achieve a high flow rate of the conveying chain around and flowing fluid and thus the cleaning performance at a given fluid flow, and a sufficiently high width / height, even at vibrations of the conveyor chain to prevent contact with the inner wall of the chain channel.
  • both the flow channel and the chain channel are "continuous", which means that they each have an entry point and an exit point different from the entry point, which are preferably arranged in mutually opposite surfaces of the fluid flow Leitvor- direction.
  • the respective entry and exit points may also penetrate non-opposed surfaces of the fluid flow guide.
  • the respective entry and exit points can penetrate the same surface of the fluid flow guide device.
  • a "longitudinal section of the conveyor chain” is in particular a part of the conveyor chain, viewed in its longitudinal direction, preferably with at least one chain link.
  • the chain channel and the flow channel "penetrate” in a “penetration area”. That is, the chain channel and the flow channel "intersect” each other, the intersection area being the area that is part or three-dimensional intersection of both channels.
  • this is inevitably the case when a fluid conducted in the flow channel is to circulate and / or flow through the conveyor chain guided in the chain channel.
  • Claim 1 of the present invention defines a Cartesian coordinate system.
  • Directional indications of channels here imply directions of movement of elements moving in them.
  • axes we are talking about “axes” if this is not the case. That is, the term "direction of the y-axis” is to be understood here as a vectorial indication, which means the direction of the positive y-axis, while the x-axis is not such Owns orientation. Angle data between directions are thus angle data for vectors in the mathematical sense.
  • the chain channel and the flow channel extend in a first or second direction, which extend substantially parallel to the y-direction or the x-direction of a Cartesian coordinate system, a deviation from this is possible, to adjust the flow conditions to the chain type and shape.
  • the flow channel has a fluid flow inflow section fluidly connected to the penetration region and extending in a third direction substantially in the x-z plane and enclosing an obtuse angle with the second direction.
  • the fluid flow inflow section subtends an acute angle with the penetration area.
  • This arrangement is particularly advantageous in conveyor chains having a non-square rectangular cross-section (eg, a bolt chain, a leaf chain, or a roller chain) which are aligned with the longer sides, preferably parallel to the z-axis, so that the fluid flow is not frontal on their Tabs bounces.
  • a non-square rectangular cross-section eg, a bolt chain, a leaf chain, or a roller chain
  • the fluid flow guide device has a gap which extends along the entire chain channel from the chain channel in the z direction (the positive z axis) of the Cartesian coordinate system and is open in the z direction.
  • the gap is preferably delimited by two surfaces extending in each case in the yz plane (ie parallel to one another) and serves in a monolithic fluid flow guide device (cf., in contrast thereto, the variant defined in claim 4) for the introduction of the conveyor chain from the Front (right in Fig. 1A).
  • the gap must therefore be sufficiently dimensioned for this purpose.
  • said surfaces may include an acute angle such that the gap widens toward its open side.
  • the fluid flow guide device has a first and a second part connected to the first part and the gap in the first part and the fluid flow inflow section is arranged in the second part.
  • the fluid flow guide device is not monolithic or integral, but has two, connectable to each other part.
  • the connection preferably takes place via at least one screw, preferably via at least two screws.
  • the gap is arranged in particular in the first part and the fluid flow inflow section in the second part, the fluid flow guide device according to the invention can be manufactured easily, since it is possible to design the flow channel and / or the chain channel such that it / it penetrates / penetrate the contact surfaces of the first and second parts without undercuts and is preferably producible by milling or the like.
  • this can also be realized in that the gap and / or the flow channel and / or the chain channel is partially formed in the first and partly in the second part / are.
  • the width along the y-axis of the conveyor-chain inflow section and the width along the y-axis of the inflow-flow inflow section are substantially equal at least in the penetrating area.
  • the width of the fluid inflow channel is advantageously less than the extension of the gap in this direction (the "width" of the gap is usefully defined along the x-axis), ie, the fluid inflow channel does not extend the entire extent of the fluid flow director (along the y-axis) consistently laminar flow through the flow channel with the fluid consistently continuing, it is advantageous if the flow channel has as few edges, not rounded corners and projections / undercuts over its entire length and instead preferably rounded corners, etc.
  • the fluid flow guide device has a flat, bottom surface which is inclined at an angle of 0 ° ⁇ ⁇ about the y-axis of the Cartesian coordinate system with respect to the z-axis.
  • the spatial structure of the fluid flow guide device is preferably defined independently of its spatial relationship to the conveyor chain accommodated in the chain channel.
  • the above advantageous aspect allows an optimal adjustment of the orientation of the fluid flow guide device to the type and cross-sectional shape of the conveyor chain, so that it can be optimally aligned in the fluid flow guide device to the fluid flow.
  • the angle is variable, so that a preferred conveyor chain cleaning device is used in particular for different types of chains. is reversible.
  • the angle may be realized by wedges which may be attached or underlaid to the lower surface of the fluid flow guide.
  • the fluid flow guide device comprises a cleaning brush set with at least one cleaning brush for mechanically cleaning the conveyor chain, and according to a preferred embodiment of the present invention, the cleaning brush set at least a first brush for cleaning a first side of the conveyor chain and at least one second brush for cleaning a second side of the conveyor chain.
  • the cleaning brushes are arranged either only on one side or, preferably, on two opposite sides.
  • the cleaning brushes are preferably arranged in the direction of movement of the conveyor chain in front of the penetration area in order first to dissolve lubricants and / or impurities, which can subsequently be removed by the flowing fluid acting as a carrier medium.
  • the cleaning brushes are in this case preferably completely outside the flow channel, but may partially protrude into this, as long as the effective range of the bristles of the cleaning brushes is before this.
  • an arrangement of the cleaning brush in the flow channel is conceivable and would also have the advantage that the dissolved particles would be entrained by the fluid flow, but such an arrangement would hinder the free flow of the fluid.
  • the flow channel preferably has an additional channel, which directs a part of the fluid flow to cleaning brushes arranged in the direction of movement in front of the penetration area.
  • the at least one cleaning brush is fixed or rotatable.
  • a fixed cleaning brush is compared to a rotatable constructively simpler and therefore less expensive and less maintenance intensive.
  • Their disadvantage namely that they depend on a movement of the conveyor chain, is of little importance, since it is usually assumed that a movement of the conveyor chain is unavoidable for their complete cleaning.
  • a rotatable cleaning brush is advantageous over a fixed one in that its cleaning effect can be increased by an opposite or opposite rotation to the direction of movement of the conveyor chain.
  • the direction of rotation of the at least one rotatable brush is adjustable.
  • the conveyor chain cleaning device preferably has a control or monitoring device that detects the cleaning effect of the conveyor chain cleaning device according to the invention and temporarily reverses the direction of movement in case of insufficient cleaning of a chain section in order to re-clean the section classified as insufficiently cleaned.
  • the conveyor chain is a bolt chain.
  • the chain type most commonly used as a conveyor chain advantageously extend their bolts along the z-axis, so as to achieve an optimal flow around and flow through the conveyor chain and thus an optimal cleaning effect.
  • the above flyer chain or roller chain or the like can be used.
  • the conveyor chain cleaning device with a suction or pumping device for generating the fluid flow, which acts as a carrier medium for transporting the (contaminated) lubricants from the conveyor chain, connectable.
  • the conveyor chain cleaning device comprises a combination of a suction device and a pumping device.
  • a conveyor chain care system comprises a conveyor chain cleaning device and an automatic chain lubrication system.
  • the preferred conveyor chain care system cleans and lubricates the conveyor chain preferably in one operation.
  • a method for cleaning a conveyor chain with a conveyor chain cleaning system comprises the steps of: (i) arranging the conveyor chain in the chain channel, (ii) moving the conveyor chain through the chain channel, and (iii) generating the flow channel flowing through Fluid flow for the flow and flow through the conveyor chain.
  • Step (i) is preferably carried out in a two-part fluid flow guide device in that a part is arranged below the conveyor chain and then the further part is connected to the one part.
  • Step (ii) is preferably performed on a one-piece fluid flow guide device by sliding it from the side over the conveyor chain so that the conveyor chain passes through the gap to its cleaning position.
  • the fluid flow guide device is fixedly but preferably releasably connected at a favorable position to a floor or other suitable platform while the conveyor chain is being moved by the fluid flow guide.
  • connection between the fluid flow guide device and the suction or pumping device can be made very short, so that the cleaning efficiency is very high.
  • the present invention is not limited to this, because it is basically possible to keep the belt stationary and to move the fluid flow cleaning device relative thereto, which either requires a relatively long connection between the fluid flow guide device and the suction or pumping device requires that the latter terer is at least partially moved. Also advantageous is a combination of both movements.
  • the flow rate of the fluid flow and / or the movement speed and / or direction of the conveyor chain are each adjustable.
  • This has the advantage of adapting the cleaning performance to the degree of soiling, which is advantageously detected by means of a corresponding device (see above).
  • FIG. 1A is a side view of a fluid flow guide device according to a first exemplary embodiment of the invention
  • Fig. 1B a Cartesian coordinate system applied to the fluid flow guide of Fig. 1A;
  • Fig. 2A is a front view of the fluid flow guide device of Fig. 1;
  • Fig. 2B is a Cartesian coordinate system applied to the fluid flow guide of Fig. 2A;
  • Fig. 3A is a cross-sectional view of the fluid flow guide of Figs. 1 and 2 taken along a line A-A in Fig. 2;
  • Fig. 3B is a Cartesian coordinate system applied to the fluid flow guide of Fig. 3A;
  • Fig. 4A is a schematic front view of the fluid flow guide device of Figs. 1, 2 and 3;
  • Fig. 4B is a Cartesian coordinate system applied to the fluid flow guide of Fig. 4A;
  • FIG. 5A is a schematic front view of a fluid flow guide device according to a second exemplary embodiment of the invention.
  • Fig. 5B is a Cartesian coordinate system applied to the fluid flow guide of Fig. 5A;
  • FIG. 6 is a perspective view of a fluid flow guide device according to a third exemplary embodiment in operation.
  • FIG. 7A is a schematic front view of a fluid flow guide device according to a fourth exemplary embodiment of the invention.
  • Figure 7B is a Cartesian coordinate system applied to the fluid flow director of Figure 7A.
  • Fig. 1A shows a side view of a fluid flow guide device 10 according to a first exemplary embodiment of the invention
  • Fig. 1B shows a Cartesian coordinate system applied to the fluid flow guide device 10 of Fig. 1A
  • the fluid flow directing device 10 has a first, upper part 12 and a second, lower part 14, which are connected to one another via a screw connection (not shown) on a contact surface 16, which extends in the y-z plane.
  • a recess in the upper part 12, which is formed by a lower surface 18 and a right side surface 20 of the upper part 12, and an upper surface 22 of the lower part 14 together form a gap 24.
  • a straight chain channel 26 which completely penetrates the fluid flow guide device 10.
  • Fig. 2A shows a front view of the fluid flow guide 10 of Fig. 1
  • Fig. 2B shows a Cartesian coordinate system applied to the fluid flow guide of Fig. 2A.
  • the fluid flow Guide device 10 has a fluid flow inflow end portion 28a 'of a flow channel 28 of width b, which is formed by a chamfer of the lower part 14.
  • Fig. 3A is a cross-sectional view of the fluid flow director 10 of Figs. 1 and 2 taken along line A-A in Fig. 2, and Fig. 3B is a Cartesian coordinate system applied to the fluid flow director 10 of Fig. 3A.
  • the flow channel 28 has three main sections: a fluid flow inflow section 28a having the flow inlet side fluid flow inflow end section 28a ', a Conveyor chain inflow section 28b and a fluid flow outflow section 28c operatively connected to a suction device (not shown).
  • a penetration region 30, which is part of both the chain channel 26 and the flow channel 28, forms in the cross-sectional view of FIG.
  • FIG. 3A an area disposed approximately centrally in the fluid flow director 10 and extends into the plane of the drawing and out of the plane of the drawing out each b / 2.
  • a link of a conveyor chain 32 which extends along the y axis through the fluid flow guide 10 and is visible from the outside through the gap 24, as shown in FIG. 4 is shown.
  • the above-mentioned screw connection 34 for connecting the upper and lower parts 12, 14 is shown schematically.
  • Fig. 3A the fluid is drawn through the fluid flow guide 10 by a suction device (not shown), the fluid flow entering the fluid flow guide 10 at substantially an angle ⁇ , in the conveyor chain flow section 28b is redirected into the penetration region 30, where it flows around the conveyor chain 22 and transported as a carrier medium, a lubricant from the conveyor chain 22, and leaves the fluid flow guide device 10 through the fluid flow outflow section 28 c to the suction device.
  • the flow path of the fluid flow is shown schematically in Fig. 3A by arrows.
  • Fig. 4 A shows a schematic front view of the fluid flow guide device 10 according to FIGS. 1A, 2A and 3A
  • FIG. 4B shows a Cartesian coordinate system applied to the fluid flow director 10 of FIG. 4A.
  • FIG. 5A shows a schematic front view of a fluid flow guide device 10 according to a second exemplary embodiment of the invention
  • FIG. 5B shows a Cartesian coordinate system applied to the fluid flow guide device 10 of FIG. 5A
  • the fluid flow directing device 10 includes a cleaning brush set 36 having an upper rotating cleaning brush 36a for cleaning an upper surface of the conveyor chain 22 disposed in the upper portion 12 and a lower rotating cleaning brush 36b for cleaning a lower surface of the Conveyor chain 22, which is arranged in the lower part 14.
  • the direction of rotation of the cleaning brushes 36a, 36b to the direction of movement of the conveyor chain 22 in opposite directions.
  • FIG. 6 shows a perspective view of a fluid flow guide device 10 according to a third exemplary embodiment.
  • the conveyor chain 22 enters laterally into the fluid flow guide device 10.
  • the fluid is sucked through the latter by an aspirator (not shown) connected to the fluid flow director 10 through a suction tube 38 while the conveyor chain 22 moves into the plane of the drawing (in the y-direction).
  • the upper and the lower part 12, 14 of the fluid flow guide device 10 are connected to each other via the screw 34.
  • the fluid flow director 10 is fixedly attached to a rail 40.
  • Fig. 7A shows a schematic front view of a fluid flow guide device 10 according to a fourth exemplary embodiment of the invention
  • Fig. 7B shows a Cartesian coordinate system applied to the fluid flow guide device 10 of Fig. 7A.
  • the fluid flow guide 10 has a cleaning brush set 36 with an upper standing cleaning brush 36 c for cleaning an upper side of the conveyor chain 22, which is arranged in the upper part 12, and a lower standing cleaning brush 36 d for cleaning a bottom of the conveyor chain 22, which in the un - The lower part 14 is arranged.
  • the cleaning of the conveyor chain 22 is effected in particular by the movement of the chain, illustrated by means of a horizontal arrow in FIG. 7A, relative to the standing cleaning brushes 36c, 36d.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Chain Conveyers (AREA)

Abstract

L'invention concerne un dispositif de nettoyage de chaîne de transport (10) destiné à éliminer des lubrifiants d'une chaîne de transport (32). Ledit dispositif comporte : un dispositif de guidage de courant de fluide (10), qui comprend une goulotte de chaîne (26) continue destinée à recevoir une partie longitudinale de la chaîne de transport (32) et un canal d'écoulement (28) continu pénétrant dans la goulotte de chaîne (26) dans une zone de pénétration (30), ce canal étant destiné à guider un courant de fluide à travers la zone de pénétration (30). La goulotte de chaîne (26) et le canal d'écoulement (28) s'étendent dans la zone de pénétration dans une première ou une deuxième direction qui s'étendent sensiblement parallèlement à une direction y ou à une direction x d'un système de coordonnées cartésien.
PCT/EP2013/002626 2012-09-07 2013-09-02 Dispositif et procédé de nettoyage d'une chaîne de transport WO2014037095A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012017751.8 2012-09-07
DE102012017751.8A DE102012017751A1 (de) 2012-09-07 2012-09-07 Förderketten-Reinigungsvorrichtung

Publications (1)

Publication Number Publication Date
WO2014037095A1 true WO2014037095A1 (fr) 2014-03-13

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PCT/EP2013/002626 WO2014037095A1 (fr) 2012-09-07 2013-09-02 Dispositif et procédé de nettoyage d'une chaîne de transport

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WO (1) WO2014037095A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016103941A1 (de) 2016-03-04 2017-09-07 Bridgewater Simeitis GbR (Vertretungsberechtigte Gesellschafter: Kent Bridgewater, 28777 Bremen, Sven Simeitis, 28777 Bremen) Reinigungssystem für eine Kette oder dgl. sowie Verfahren hierzu

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2491465B1 (es) * 2014-05-28 2015-09-25 Ramón GREGORI PERELLÓ Dispositivo limpiador/lubricador de sistemas de transmisión

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0410809A1 (fr) * 1989-07-28 1991-01-30 Continental Baking Company Appareil nettoyeur pour convoyeur emballeur
US5372242A (en) * 1993-07-07 1994-12-13 Lubecon Systems, Inc. Air blow-off shroud

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0410809A1 (fr) * 1989-07-28 1991-01-30 Continental Baking Company Appareil nettoyeur pour convoyeur emballeur
US5372242A (en) * 1993-07-07 1994-12-13 Lubecon Systems, Inc. Air blow-off shroud

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016103941A1 (de) 2016-03-04 2017-09-07 Bridgewater Simeitis GbR (Vertretungsberechtigte Gesellschafter: Kent Bridgewater, 28777 Bremen, Sven Simeitis, 28777 Bremen) Reinigungssystem für eine Kette oder dgl. sowie Verfahren hierzu
DE102016103941B4 (de) * 2016-03-04 2020-12-24 BRIGE GmbH Reinigungssystem für eine Kette oder dgl. sowie Verfahren hierzu

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