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WO2025032520A1 - Système de lubrification pour lubrifier un transporteur - Google Patents

Système de lubrification pour lubrifier un transporteur Download PDF

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Publication number
WO2025032520A1
WO2025032520A1 PCT/IB2024/057648 IB2024057648W WO2025032520A1 WO 2025032520 A1 WO2025032520 A1 WO 2025032520A1 IB 2024057648 W IB2024057648 W IB 2024057648W WO 2025032520 A1 WO2025032520 A1 WO 2025032520A1
Authority
WO
WIPO (PCT)
Prior art keywords
lubricant
conveyor
electric consumption
previous
container according
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.)
Pending
Application number
PCT/IB2024/057648
Other languages
English (en)
Inventor
Marc Sachs-Ehalt
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.)
Neo Conveying Intelligence Unipessoal Lda
Original Assignee
Neo Conveying Intelligence Unipessoal Lda
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
Priority claimed from EP23191194.2A external-priority patent/EP4506282A1/fr
Application filed by Neo Conveying Intelligence Unipessoal Lda filed Critical Neo Conveying Intelligence Unipessoal Lda
Publication of WO2025032520A1 publication Critical patent/WO2025032520A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
    • B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
    • B65G47/682—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor from a single conveyor lane consisting of one conveyor or several adjacent conveyors
    • 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
    • B65G45/02—Lubricating devices
    • B65G45/08—Lubricating devices for chains
    • 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
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/042—Sensors

Definitions

  • the present disclosure relates to a loose container conveyor that comprises a lubrication system for lubricating conveyors or conveyors belts. Particularly, relates to loose container conveyor with a lubrication system for controlling the lubrification of conveyors for bottling line.
  • the disclosure aims to ensure optimal lubrication performance, minimize maintenance requirements, and thus extend equipment operational life.
  • a bottling line is composed of machines performing various operations depending on the type of product bottled.
  • the main machine or often referred to as the Critical Machine, is usually the bottle filler.
  • a conveyor is composed of a structure, a geared motor, transport chains and slides / rollers supporting these chains.
  • a lubrication system is usually installed on the conveyor to ensure an adequate relative slip coefficient between containers and pallet chains, between pallet chains and slides and to improve friction between chain link joints.
  • An example of a returnable glass bottling line comprises:
  • Decrater - Bottle Washer Decrated bottles are dirty (external storage, open transport, etc ...) and bring a large amount of dirt (wood, strings, metal objects, etc.) Frequent lubrication and cleaning are necessary, as the accumulation of dirt on the conveyor chains increases the sliding coefficient and deteriorates performance and equipment.
  • Bottle washer - Filler The high washing temperatures cause bottle breaks and debris will appear at the exit of the washer, in addition, the chains are watered by the rinse water driven by the clean bottles. Depending on the hardness of the water, deposits can become embedded on the chains or in the links and thus increase the coefficients of friction.
  • Pasteurizer - Labeller - Packer In this area the products are clean but may have poor seals. This can cause effects of gluing the chain on the slides and the development of microorganisms responsible for fermentation and bad odors. In addition, pasteurizer outlets have the same effects as washer, debris and cooling water outlets.
  • Accumulation / Dosing It is the function of a bottling unit that requires the most of a low slip coefficient.
  • the conveyors are filled with bottles and the chains move forward, so it is important to have a relative movement between the product and the chains, and between the chains and slides with a high weight of products.
  • Conveyor lubrication systems for bottling units are generally composed of: a lubrication unit preparing the mixture of water and concentrated lubricant, via a dosing pump; a set of solenoid valves distributed mainly by zones; lubrication ramps connected to conveyors.
  • Some lubrication ramps are mounted underneath the conveyor and if there is a lack of pressure from the lubricant network, the injected product goes to the ground instead of attaching to the chains.
  • the lubricant is injected on the chains but also falls back to the ground. It is then evacuated via the gutters and will end up in the treatment plants.
  • W00127005 discloses a method for automatically cleaning and lubricating conveyor belt systems.
  • a microprocessor controlled control unit senses the movement of the conveyor belt and the presence of items, for example bottles, on the conveyor.
  • the control units initiate the application of lubricant, detergent and rinse water onto the conveyor according to the speed of the conveyor, the presence of items and the time passed since the previous application. If the conveyor is stationary, that is, is not in motion, no lubricant or cleaning solution is applied. If the conveyor is moving but no items are on the belt, a reduced amount of lubricant is dispensed onto the conveyor system.
  • the document US4226325 discloses an apparatus for continuously lubricating a conveyor belt with a mixture of water and soap or detergent during normal operation and for washing the conveyor belt during a preselected time interval after normal operation has ceased.
  • Solenoid valves are interposed in water lines to a lubricating nozzle and wash nozzles to control the flow of water to the nozzles, and pumps are provided to inject soap or detergent into each of the water lines.
  • electrical power is supplied only to the lubricating line solenoid valve and the lubricating line pump to produce a lubricating spray of water and soap or detergent from the lubricating nozzle which is directed onto the belt.
  • a wash timer is actuated for a predetermined interval of time and cooperates with a relay to also enable the wash line solenoid valve and the wash line pump to deliver water and soap or detergent to the wash nozzle for cleansing the conveyor belt.
  • the lubrication is performed when the conveyor is running and lubrication is stopped when the conveyor stops.
  • the need for lubricant is not measured and can be subject to over-consumption or under-consumption, not taking in consideration the reducing the pressure between the containers that are in the conveyor.
  • the present disclosure relates to a lubrication system to lubricate a conveyor on an efficient manner.
  • a lubrication system to control the lubrication of an automated conveyor to enhance the efficiency, reduce maintenance costs, and prolong the lifespan of conveyors used in any kind of industries.
  • the disclosure refers to an innovative lubrication system that ensures precise and controlled application of lubricants to critical conveyor components, thereby reducing friction, wear, and energy consumption.
  • a lubrication system for automatically applying a lubricant to a conveyor machine, comprising: a pumping mechanism for providing a flow of lubricant to a lubrication point or points; an electric consumption sensor for providing an electric consumption signal; a programmable control unit operatively connected to the pumping mechanism, the control unit configured to control the flow of lubricant in relation to the electric consumption signal.
  • a loose container conveyor comprising longitudinal conveying chains, one or more guiding slides arranged at an oblique angle with said conveying chains, and a lubrication system for automatically applying a lubricant to lubrication point or points of the conveyor, wherein the conveyor is arranged for providing a relative transversal slip between containers and conveying chains
  • the lubrication system comprising: a pumping mechanism for providing a flow of lubricant to the lubrication point or points; an electric consumption sensor for continuously providing an electric consumption signal; a programmable control unit operatively connected to the pumping mechanism, the control unit configured to continuously or periodically control the flow of lubricant in relation to the electric consumption signal, for providing a relative transversal slip between containers and conveying chains and preventing relative longitudinal slip between containers and conveying chains.
  • the present disclosure relates to a loose container conveyor comprising longitudinal conveying chains, one or more guiding slides arranged at an oblique angle with said conveying chains, and a lubrication system for automatically applying a lubricant to lubrication point or points of the conveyor, wherein the conveyor is arranged for providing a relative transversal slip between containers and conveying chains.
  • the lubrication system comprises a pumping mechanism for providing a flow of lubricant to the lubrication point or points, an electric consumption sensor for continuously providing an electric consumption signal, and a programmable control unit operatively connected to the pumping mechanism.
  • the control unit is configured to continuously or periodically control the flow of lubricant in relation to the electric consumption signal, providing a relative transversal slip between containers and conveying chains and preventing relative longitudinal slip between containers and conveying chains.
  • the features of the loose container conveyor of the present disclosure work synergistically, resulting in a loose container conveyor that reduces friction, wear, and energy consumption while requiring less lubricant.
  • Unexpectedly the loose container conveyor of the present disclosue efficiently provides a relative transversal slip between containers and conveying chains and prevents relative longitudinal slip between containers and conveying chains.
  • An aspect of the present disclosure relates to a loose container: for example, bottles; conveyor comprising longitudinal conveying chain or chains ;i.e. chains of links, slats or slabs that drag the loose containers; one or more guiding slides arranged at an oblique angle with said conveying chains, and a lubrication system for automatically applying a lubricant to lubrication point or points of the conveyor, wherein the conveyor is arranged; by way of the guiding slides and sufficiently low relative transversal friction between containers and conveying chains; for providing a relative transversal slip between containers and conveying chains, the lubrication system comprising: a pumping mechanism for providing a flow of lubricant to the lubrication point or points for providing lubrication to the conveying chains; an electric consumption sensor for continuously providing an electric consumption signal; a programmable control unit operatively connected to the pumping mechanism, the control unit configured to continuously or periodically control the flow of lubricant in relation to the electric consumption signal, for providing a relative
  • control unit is configured to control the flow of lubricant in a positive relation to the electric consumption signal.
  • Higher values of electric consumption are associated with higher values of flow of lubricant.
  • the disclosed positive relationship between electric consumption and flow of lubricant typically means that the correlation between them is controlled to be positive.
  • the pumping mechanism will be closed. Namely, if the electricity consumption is equal or less than the initial electricity consumption than the pumping mechanism will not provide flow to the lubrication point or points of the conveyor.
  • control unit is configured to open the flow of lubricant if the electric consumption signal is above a predetermined threshold.
  • control unit is configured to open the flow of lubricant if the electric consumption signal is above a threshold predetermined from multiplying the electric consumption signal of normal operation by a predetermined multiplicative factor.
  • the electric consumption sensor is continuously providing the electric consumption signal to the control unit, so when the flow of lubricant is open and the conveyor is being lubricated, if the electric consumption signal becomes below or equal to the predetermined or pretrained threshold, the control unit will close the flow of the lubricant.
  • One of the main advantages can be seen as a reduction of lubricant consumption and energy consumption. With this lubrication solution at least a reduction of 50% (v/v) of the lubricant is obtained.
  • a correct slip coefficient (between 0.08 and 0.12) limits the pressure between the containers and reduces the energy consumption required for the proper functioning of the conveyors and also helps to ensure the good performance of the line.
  • the loose container has a nominal friction coefficient of 0.08 to 0.18; wherein nominal friction coefficient is between the loose container and conveying chain or chains; and between the conveying chain or chains and supports these chains of the conveying chain or chains.
  • the nominal friction coefficient is 0.1 to 0.15.
  • control unit is configured to open the flow of lubricant if the electric consumption signal is above a threshold determined by a pretrained machine learning model.
  • the conveyor is a belt conveyor, a roller conveyor, a chain conveyor, a bucket conveyor, a vibrating conveyor, a magnetic conveyor, a slat conveyor or an overhead conveyor.
  • the pumping mechanism comprises a valve or a pump for providing the flow of lubricant to the lubrication point or points.
  • the electric consumption sensor is a power or current sensor.
  • the electric consumption sensor is arranged near the motor of the conveyor.
  • the lubrication system of the loose container conveyor further comprises a lubricant reservoir for storing a lubricant and providing lubricant to the pumping mechanism.
  • the lubrication system of the loose container conveyor further comprises a distribution system connected to the pumping mechanism and for transporting the lubricant to multiple lubrication points within the machine.
  • the lubrication system of the loose container conveyor further comprises a power source for providing energy to the pumping mechanism and the programmable control unit.
  • the pumping mechanism comprises a motor-driven pump or a hydraulic system.
  • the lubrication system conveyor further comprises a distribution system comprising a network of tubes, hoses, or channels for transporting the lubricant from the pump to the specific lubrication points within the conveyor machine.
  • a operation method of a loose container for example, bottles, conveyor comprising longitudinal conveying chains, one or more guiding slides arranged at an oblique angle with said conveying chains, and a lubrication system for automatically applying a lubricant to lubrication point or points of the conveyor, wherein the conveyor is arranged for providing a relative transversal slip between containers and conveying chains for containers to slip transversally, the method comprising: continuously providing an electric consumption signal by an electric consumption sensor; continuously controlling a flow of lubricant to the lubrication point or points by a pumping mechanism in relation to the electric consumption signal by a programmable control unit operatively connected to the pumping mechanism and to the electric consumption sensor.
  • Figure 1 Schematic representation of an embodiment of the lubrication system for a loose container conveyor where the pumping mechanism is not providing a flow of lubricant to a lubrication point or points.
  • Figure 2 Schematic representation of an embodiment of the lubrication system for a loose container conveyor where the pumping mechanism is providing a flow of lubricant to a lubrication point or points.
  • the present disclosure relates to a lubrication system for automatically applying a lubricant to a conveyor machine, comprising: a pumping mechanism for providing a flow of lubricant to a lubrication point or points; an electric consumption sensor for providing an electric consumption signal; a programmable control unit operatively connected to the pumping mechanism, the control unit configured to control the flow of lubricant in relation to the electric consumption signal.
  • a loose container conveyor comprising longitudinal conveying chains, one or more guiding slides arranged at an oblique angle with said conveying chains, and a lubrication system for automatically applying a lubricant to lubrication point or points of the conveyor, wherein the conveyor is arranged for providing a relative transversal slip between containers and conveying chains
  • the lubrication system comprising: a pumping mechanism for providing a flow of lubricant to the lubrication point or points; an electric consumption sensor for continuously providing an electric consumption signal; a programmable control unit operatively connected to the pumping mechanism, the control unit configured to continuously or periodically control the flow of lubricant in relation to the electric consumption signal, for providing a relative transversal slip between containers and conveying chains and preventing relative longitudinal slip between containers and conveying chains.
  • Figure 1 shows a schematic representation of an embodiment of a conveyor comprising the lubrication system
  • 1 represents the programmable control unit
  • 2 represents the motor of the conveyor
  • 3 represents the chains and slides or rollers of the conveyor
  • 4 represents the valve of the pumping mechanism, preferably the solenoid valve.
  • the valve is closed because the electric consumption signal is equal or bellow a predetermined threshold.
  • the predetermined threshold is obtained in the start of the conveyor.
  • the valve is closed because the electric consumption signal is equal or below the threshold determined by a pretrained machine learning model.
  • Figure 2 shows a schematic representation of an embodiment of a conveyor comprising the lubrication system
  • 1 represents the programmable control unit
  • 2 represents the motor of the conveyor
  • 3 represents the chains and slides or rollers of the conveyor
  • 4 represents the valve of the pumping mechanism, preferably the solenoid valve.
  • the system is providing a flow of lubricant to the conveyor.
  • the valve is open because the electric consumption signal is above a predetermined threshold.
  • the predetermined threshold is obtained in the start of the conveyor.
  • the valve is open because the electric consumption signal is above the threshold determined by a pretrained machine learning model.
  • the threshold is predetermined or determined by a pretrained machine learning model when there is no pressure between the containers that are being transported in the conveyor.
  • the containers are bottles.
  • the electric consumption sensor is a power sensor or a current sensor.
  • the electric consumption sensor is arranged near the motor of the conveyor.
  • the electric consumption sensor is arranged above the motor of the conveyor.
  • the lubrication system controls the amount of lubricant flow that is provided to a lubrication point of the conveyor.
  • the pumping mechanism provides lubricant flow when the conveyor is working. There is no need for the user to stop the function of the conveyor or the removal of the container, to provide lubrication.
  • the pumping mechanism provides lubricant flow when the conveyor is working. There is no need for the user to stop the function of the conveyor or the removal of the container, to provide lubrication.
  • the Bottle washer - Filler zone only contains the accumulation/dosing conveying function, i.e. 1 solenoid valve.
  • the Bottle washer - Filler zone contains the accumulation/dosing and acceleration / Deceleration / Input + Output conveying functions of single-line machines, i.e. 2 solenoid valves.
  • the Filler - Pasteurizer - Labeler - Packer area is made up of acceleration / Deceleration / Input + Output of single-line machines, accumulation/dosing and transit functions between filler and pasteurizer.
  • the Depalletizer - Decrater - Crate washer - Packer - Palletizer area will be made up of 4 solenoid valves allowing lubrication control between machines.
  • the control device is located as close as possible to the solenoid valve clusters, i.e. in the center of the bottling line and in an area accessible by an operator.
  • the information on the variation in current consumption is sent to the device via a cable connecting the frequency converter controlling the motor and which is located in an electrical cabinet generally located in a specific room.
  • the number of controlled motors is equal to the number of solenoid valves, i.e. 15 for the example of a returnable glass bottling line.
  • the conveyor transports bottles, cans, crates, boxes, packages, among other products.
  • a conveyor belt for accumulation/dosing in a bottle line with a length around 7.7 meters and a width around 500 mm, where the friction coefficient is 0.10, if the electric consumption is higher than 2 A than the lubricant flow must be provided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Conveyors (AREA)

Abstract

La présente invention concerne un transporteur de conteneurs en vrac comprenant des chaînes de transport longitudinales, une ou plusieurs glissières de guidage disposées selon un angle oblique avec lesdites chaînes de transport, et un système de lubrification pour appliquer automatiquement un lubrifiant à un point ou à des points de lubrification du transporteur, le transporteur étant agencé pour fournir un glissement transversal relatif entre des conteneurs et des chaînes de transport, le système de lubrification comprenant : un mécanisme de pompage pour fournir un écoulement de lubrifiant au ou aux points de lubrification; un capteur de consommation électrique pour fournir en continu un signal de consommation électrique; une unité de commande programmable connectée fonctionnellement au mécanisme de pompage, l'unité de commande étant configurée pour commander en continu ou périodiquement l'écoulement de lubrifiant par rapport au signal de consommation électrique, pour fournir un glissement transversal relatif entre des conteneurs et des chaînes de transport, et empêcher un glissement longitudinal relatif entre des conteneurs et des chaînes de transport.
PCT/IB2024/057648 2023-08-07 2024-08-07 Système de lubrification pour lubrifier un transporteur Pending WO2025032520A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PT118856 2023-08-07
PT11885623 2023-08-07
EP23191194.2 2023-08-11
EP23191194.2A EP4506282A1 (fr) 2023-08-07 2023-08-11 Système de lubrification pour lubrifier un transporteur

Publications (1)

Publication Number Publication Date
WO2025032520A1 true WO2025032520A1 (fr) 2025-02-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2024/057648 Pending WO2025032520A1 (fr) 2023-08-07 2024-08-07 Système de lubrification pour lubrifier un transporteur

Country Status (1)

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WO (1) WO2025032520A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936060A (en) * 1958-07-09 1960-05-10 Meyer Geo J Mfg Co Article combiner
US3463268A (en) * 1966-11-14 1969-08-26 Owens Corning Fiberglass Corp Self-actuated oiling system
US4226325A (en) 1979-03-15 1980-10-07 Mcgraw-Edison Company Conveyor lubricating and washing apparatus
US5433679A (en) * 1991-03-18 1995-07-18 Life Fitness Exercise treadmill and method
WO2001027005A1 (fr) 1999-10-08 2001-04-19 Ecolab Inc. Appareil et procede de lubrification et de nettoyage regules des transporteurs
US20050034881A1 (en) * 2001-12-21 2005-02-17 Rudolf Berger Drilling and/or striking hammer with a lubricating device
US20160194157A1 (en) * 2013-09-13 2016-07-07 Krones Ag Apparatus and method for servicing conveyor elements in a container treatment system
WO2018160218A1 (fr) * 2017-03-01 2018-09-07 Rexnord Industries, Llc Systèmes et procédés pour transporteur
WO2021182949A1 (fr) * 2020-03-09 2021-09-16 Rexnord Flattop Europe B.V. Contrôle d'écoulement de transport de produit

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936060A (en) * 1958-07-09 1960-05-10 Meyer Geo J Mfg Co Article combiner
US3463268A (en) * 1966-11-14 1969-08-26 Owens Corning Fiberglass Corp Self-actuated oiling system
US4226325A (en) 1979-03-15 1980-10-07 Mcgraw-Edison Company Conveyor lubricating and washing apparatus
US5433679A (en) * 1991-03-18 1995-07-18 Life Fitness Exercise treadmill and method
WO2001027005A1 (fr) 1999-10-08 2001-04-19 Ecolab Inc. Appareil et procede de lubrification et de nettoyage regules des transporteurs
US20050034881A1 (en) * 2001-12-21 2005-02-17 Rudolf Berger Drilling and/or striking hammer with a lubricating device
US20160194157A1 (en) * 2013-09-13 2016-07-07 Krones Ag Apparatus and method for servicing conveyor elements in a container treatment system
WO2018160218A1 (fr) * 2017-03-01 2018-09-07 Rexnord Industries, Llc Systèmes et procédés pour transporteur
WO2021182949A1 (fr) * 2020-03-09 2021-09-16 Rexnord Flattop Europe B.V. Contrôle d'écoulement de transport de produit

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