WO2012128705A1 - Poste de travail de transporteur - Google Patents

Poste de travail de transporteur Download PDF

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Publication number
WO2012128705A1
WO2012128705A1 PCT/SE2012/050299 SE2012050299W WO2012128705A1 WO 2012128705 A1 WO2012128705 A1 WO 2012128705A1 SE 2012050299 W SE2012050299 W SE 2012050299W WO 2012128705 A1 WO2012128705 A1 WO 2012128705A1
Authority
WO
WIPO (PCT)
Prior art keywords
work station
multiple work
conveyor system
product
station
Prior art date
Application number
PCT/SE2012/050299
Other languages
English (en)
Inventor
Dan Davidson
Original Assignee
Eton Ab
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 Eton Ab filed Critical Eton Ab
Publication of WO2012128705A1 publication Critical patent/WO2012128705A1/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
    • B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
    • B65G37/02—Flow-sheets for conveyor combinations in warehouses, magazines or workshops
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • A41H43/0235—Feeding or advancing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
    • 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
    • B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
    • B65G19/02—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for articles, e.g. for containers
    • B65G19/025—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for articles, e.g. for containers for suspended articles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow

Definitions

  • the present invention relates to a work station for the use in a conveyor system for conveying product carriers* where the work station comprises a plurality of operation stations according to the preamble of claim 1.
  • the arrangement is suitable for conveyors comprising a main conveyor and a plurality of work stations.
  • the operation on the product may be made In a flexible manner, since the operation can take the required time without affecting the flow in the main flow.
  • the product carrier with the product is directed into the main flow again.
  • Individual identification means on each product carriers allows the system to track each product carriers and thus each product such that the each product can be diverted into the required work stations.
  • the product carriers are transported by an endless belt. Guiding means are used in order to ensure that the product carriers are securely transported along the main rail and to ensure that the product carriers do not derail from the main rail.
  • the main rail may be provided with switches that allows transfer of the product carrier to and from the branches of the sub-rails at a work station.
  • the beam profile comprises the support surfaces of the main rail on which the product carrier runs during transport, and also the guiding means formed as an upwardly protruding flange between the said support surfaces.
  • the product carrier's wheels are placed on each side of the flange wherein derailing of the product carrier is hindered;
  • a work station comprises a single operation: station in which one or more operations can be made on the product. Such operations may e.g. include sewing together different parts of fabric to form a garment, e.g. a shirt- assembling different product parts into a product or to modify one or more products or product parts.
  • the work station may further comprise one or more sub-rails and may also comprise, since the conveyor system is adapted for product carriers arranged above the operation station at the work stations, a vertical chain carrier which conveys the product carrier from a sub-rail down to the work station and, after the operation, back up to a sub-rail to the main conveyor.
  • Such a work station Is efficient in many ways, but for some type of operations, It may be unnecessarily advanced, since each work station requires a switch and a conveyor loop. Further, such a work station requires a relatively large space along the main conveyor rail, which means that the main rail must pass each work station. For some types of operations, the traditional work station layout may thus take up too much space and is further too complicated and too costly. Thus, there is a need for a modified and improved work station.
  • An object of the invention is therefore to provide a work station for a conveyor system, where the work station is provided with a plurality of operation stations.
  • a further object of the invention is to provide a conveyor system comprising a work station having a plurality of operation stations.
  • the object of the invention is achieved in that the muitipie work station comprises a plurality of operation stations arranged along a sub-rail, where each operation station Is provided with a operating position.
  • a work station having a plurality of operation stations is provided.
  • the work station is especially suitable for subsequent operations which all requires approximately the same time, since the flow of the work station is synchronous.
  • the primary use for such a work station is operations which take approximately the same time to complete. Such operations may include pre-assembiy of smaller parts for a shirt, where all parts for the shirt is held by the product carrier. It is also possible to use the multiple work station e.g. for pre- assembling smaller parts for a shirt, where several parts are grouped info bundles and where a bundle of parts is handled in each operation station. Other types of pre-mounting of parts are also possible.
  • the product flow through the work station is synchronous, it is of advantage that all parts are conveyed with the same product carrier, in order to secure that the proper parts are used for that specific shirt.
  • the product carriers are provided with identification means, it is also possible to track all parts for a product even when the parts are conveyed by different product carriers. Due to the synchronous flow, the time spent at each operation station by the product earner should preferably a!so be approximately the same. During this time, one or more operation steps may be performed by an operator.
  • the product carriers in the work station are conveyed by rolling on an Inclined sub-rail of the work station. In this way, the work station is simple and cost-effective and does not require any separate drive means.
  • the product carrier can be forwarded to the next operation station by the previous operator. Since alt operation stations are provided with a stop member at the operating position, the product flow must not be synchronous, it is possible to provide a buffer space that can hold a number of product carriers at one or more of the operating positions. This may be advantageous in order to optimize the product flow and to minimize the wafting times at the different operation stations. A buffer is also advantageous for products that must rest between the operations, e.g. when a product must dry or harden.
  • the product carriers in the work station are conveyed by a forwarding means driven by a motor, e.g. a driven chain or belt or other types of forwarding means, arranged at the sub-rail of the work station.
  • the work station is adapted for an automated product flow, in which all product carriers are conveyed at the same time with the same speed.
  • the stop members are here controlled by the control system of the conveyor system, such that they are opened at the same time.
  • the product flow will be synchronous. In this case, a buffer at an operating position is not necessary since there wili be no build up of product carriers at one specific operation station.
  • the work station is provided with at least one identification reader adapted to read a serial number or the like from each product carrier, in this way, the control system of the conveyor system will be able to follow and control the product flow in the work station and also in the complete conveyor system.
  • each operation station is provided with an identification reader. This allows the control system to monitor the production process even further.
  • a production control system can monitor all product carriers and wili also be able to balance the production system depending on the information retrieved from the identification readers. This is especially advantageous in larger systems, where the forwarding of product carrier to different work stations can be decided in real time by the production control system. In this way, the production control system can balance the production system, e.g. when a work station breaks down or depending on the specific operations that is to be performed at a given time. By integrating also the pre-assembiy of the multiple work stations in the production control system, an even better control of the production system is possible.
  • a conveyor system comprising a main conveyor and a plurality of different work stations
  • the object of the invention is achieved in that the conveyor system comprises at least one multiple work station.
  • a conveyor system is provided, in which pre-assembly operations can be performed in a time efficient and space efficient manner. It is thus not required to provide a normal single work station for each operation, and it is at the same time possible to integrate the pre-assembly operations into the product flow of the conveyor system. The integration of all operations of a product into the same product flow will help to ensure that the product is assembled in a proper manner.
  • the conveyor system further comprises a production control system. In this way, the product flow can be monitored, scheduled and controlled in an efficient manner.
  • Fig. 1 shows a schematic view of a conveyor system comprising a multiple work station according to the invention.
  • a simplified conveyor system for the manufacturing of shirts is used as an example of a conveyor system comprising a multiple work station, in the conveyor system, product carriers where the product holders hang down from the main rail of the conveyor system are used.
  • Other types of conveyor systems adapted for different kind of products where the product hangs from the product carrier can also be used with the inventive multiple work station.
  • Such conveyor systems adapted for hanging products are well Known in the art and are not described in detail.
  • Fig. 1 shows schematically a conveyor system 1 comprising several different work stations 9, 10, 11, 12 and 13,
  • the conveyor system comprises a main conveyor 2 having a main rail 5 in which a forwarding means in the form of a drive chain or drive belt is arranged.
  • a forwarding means in the form of a drive chain or drive belt is arranged.
  • an endless drive chain is used.
  • Other types of forwarding means are also possible to use.
  • the drive chain is advantageously made from a plastic that makes it bendable at ieast in the horizontal plane, and that at the same time is stiff enough to allow the chain to be either pulled or pushed forwards.
  • the main rail comprises different levels in the vertical direction, the chain is preferably also bendable in the vertical direction.
  • the drive chain is in the described conveyor system driven by a gear wheel that is powered by a motor.
  • the invention may be used with drive belts and chains of a different conventional kind.
  • the drive chain is formed such that it may be used to power other components anywhere along the entire fength of the main rail.
  • a work station is connected to the main rail by switching means 3, 4, where switch 3 is adapted to divert a product carrier from the main rail to a sub-rail at the work station and where switch 4 is adapted to reintroduce the product carrier back to the main rail.
  • the work station further comprises a feeding conveyor that will convey the product carrier from the switch to the operation station of the work station. When the operation is completed, the product carrier is conveyed back to the second switch and into the main rail.
  • the feeding conveyor normally comprises a vertical chain that will transport the product carrier down to the operation station and up to the level of the main rail after the operation.
  • the work station may also comprise a sub-rail that may act as a buffer.
  • the conveyor system comprises a loading station 9 arranged at the beginning of the product flow.
  • the operator may load all the pieces that will make up one product into the product carrier. It is also possible to load the product carrier with several parts of the same type, e.g. arranged in bundles, which are to be pre-assembled.
  • the loading station may aiso comprise a buffer for product carriers. When a product carrier is loaded, it will be routed through the different operation steps with the pieces. At each operation station, one or more operations will be performed, fn the described example, all the pieces that are required for a shirt are loaded in the loading station.
  • the conveyor system further comprises an inventive multiple work station 11 comprising several operation stations 8.
  • the multiple work station is provided with a sub-rail on which the product carriers are conveyed.
  • the sub-rail is in one example an inclined rail that ailows the product carriers to roll on the rail, from one operation station to the next one. It is also possible to provide the multiple work station with a feeding chain or belt that drives the product carriers along the rail.
  • the sub-rail is preferably mounted at such a height that the product carrier must not leave the sub- rai! during the operation at the operation station.
  • the parts held by the product carrier may either be removed from the product carrier or may not be removed during the operation.
  • the parts When smafter parts are sewn together, the parts are removed from: the product holder of the product carrier and are sewn and the completed part is then reloaded to a product holder of the product carrier.
  • a larger part may be sewn when the part is still attached to the product carrier.
  • Other operations e.g. when components are assembled to a product held by the product carrier, may be performed when the product is held by a product earner.
  • the height of the sub-rail is thus adapted to the type of operation that is to be performed at the operation station.
  • the number of operation stations in a multiple work station may differ, and is preferably adapted to the type of operations that are to be performed in the multiple work station.
  • a multiple work station may have as little as two operation stations and may have up to 20 or more operation stations, even though a suitable number normally is in the range of 6 to 20.
  • Each operation station preferably comprises a stop member 14 of some kind, which stops the product carrier at the operating position.
  • One simpte stop function is a small protrusion on the sub-rail of the multiple work station.
  • the product carrier will stop at the protrusion and the operation can be performed. After the operation, the operator pushes the product carrier over the protrusion such that the product carriers can roll to the stop member of the next operating station.
  • a resilient stop means that can be passed by pushing the product carrier such that the stop means deflects when the product carrier is pushed through.
  • the stop member may also be a remotely controlled catch or the like that is released with an external signal.
  • the signal may be provided by the control system of the conveyor system, or may be provided by a switch operated by the operator of the operation station.
  • each operator may push a switch indicating that the operation is completed.
  • the system may release all product carriers at the same time. In this way, there is no need for a buffer function in the multiple operation station.
  • a multiple work station is suitable to use when several operations that take approximately the same time are to be performed on a product.
  • Such an example may e.g. pre-assembly of parts for a shirt.
  • all smaller parts for a shirt are produced.
  • Such parts are e.g. the cuffs, the collar and the front pocket.
  • each operator at the operation stations performs one operation each.
  • Each operation at an operation station is planned such that all operations at the different operation stations will require approximately the same time. It is also possible that each operator performs more than one operation step at an operation station, as long as the duration of the operation steps at one operation station Is approximately equal to the duration of operations of the other operation stations in the work station.
  • An operator may also perform the same operation on several like parts, such as several identical parts grouped in a bundle, it is thus possible that one operator produces e.g. 10 identical cuffs at one operation station.
  • an operation station is adapted for one specific operation.
  • One operation station may e.g. be specifically adapted to sew cuffs, another for the sewing of collars, another for sewing button holes and yet another for sewing buttons. The operators may thus also move between the operation stations in order to perform the different operations.
  • the first operator sews e.g. one or more seams of a first cuff
  • the second operator sews the remaining seams of the first cuff
  • the third operator sews the buttonhole and the buttons on the first cuff
  • the fourth operator sews one or more seams of the second cuff
  • the fifth operator sews the remaining seams of the second cuff, etc.
  • the conveyor system further comprises a second multiple work station 12 similar to the first multiple work station 11 but having fewer operation stations.
  • a multiple working station is also used when several operations that take approximately the same time are to be performed: on a product.
  • Such an example may e.g. assembly of parts for a shirt.
  • the second multiple work station 12 is used to pre-assemble somewhat larger parts of the shirts, such as sewing the sleeves together or sewing a cuff to a sleeve.
  • Each operation at an operation station is planned such that the operations at each operation station will require approximately the same time.
  • the first operator sews the first seam of one sleeve
  • the second operator sews the second seam of the first sleeve
  • the third operator sews the cuff to the first sleeve, etc.
  • each operator performs more than one operation, as iong as the total time of the operation steps at each operation station equals the duration of the operations at the other operation stations in the work station.
  • each single work station 13 more operations are preferably performed on each product, or operations with different durations may be performed without interrupting the product flow of the main conveyor.
  • the single work stations 13 may be used as finishing stations, where the shirt is completed.
  • the operator of each single work station may compiete a shirt or may prepare the shirt for a completion in a subsequent single work station. It is also possible that an operator of a single work station performs different operations on different products, in order to optimize the product flow.
  • a shirt arrives at the unloading station 10, in which the product is inspected and packed.
  • the unloading station may comprise several sub-rails acting as buffers, e.g. in order to group products of the same type, e.g. having the same size and/or colour.
  • the product carriers are emptied and forwarded to the loading station.
  • the conveyor system comprises two multiple work stations, several single work stations, a loading station and an unloading station.
  • the number of work stations and the types of work stations are of course flexible and are preferably chosen such that an even product flow is achieved.
  • the number of different work stations is thus selected such that the duration of the operations of one work station or group of work stations corresponds with the duration of the operations at the other work stations or groups of work stations.
  • Each product carrier is provided with an identification means that can be read by identification readers throughout the conveyor system.
  • the identification means may be an RFID tag, a bar code or another suitable identification means.
  • the information from the identification reader is sent to a production control system of the conveyor system.
  • the production control system can monitor and control the product flow of the production system. In larger production systems, there are several similar work stations in which the same operations can be performed. The production control system can thus balance the production flow by directing the product carrier to an available work station.
  • the system may further comprise an information system having information displays at the operation stations that can inform the operators of e.g. the operations that are to be performed, the upcoming operations such that the operator can prepare the work station for that specific operation, quality reports of the operations performed by that operator or other important information.
  • the production control system can further monitor the productivity of each operator. By integrating the pre-assembly of a multiple work station in the production control system, an even better control of the production system is possible, in a multiple work station, each operating position may be provided with an identification reader, or one identification reader is provided at the beginning of the multiple work station. If each operating position is provided with a switch that detects that a product carrier has passed the operating position, those switches will provide information to the production control system regarding the status of each product carriers in the multiple work station without having an identification reader at each operating position.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Automatic Assembly (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

La présente invention se rapporte à un poste multitâche pour un système de transporteur conçu pour transporter des transporteurs de produits au moyen desquels le support de produit des transporteurs de produits pend du système de transporteur, le poste de travail étant conçu pour être raccordé au transporteur principal du système de transporteur par un premier élément de commutation et un second élément de commutation et le poste multitâche comprenant une pluralité de postes opérationnels agencés le long d'un rail secondaire, chaque poste opérationnel étant pourvu d'une position opérationnelle. L'avantage de l'invention est l'utilisation d'un poste multitâche, une pluralité de postes fonctionnels étant utilisés. Le poste multitâche est combiné avec le flux principal du système de transporteur et, de même, le système d'identification du système de transporteur est complètement combiné avec le système de commande du flux principal afin d'obtenir une productivité efficace et de réduire à un minimum les défauts de production. Le poste multitâche est en outre avantageux pour des opérations synchrones qui ont approximativement la même durée.
PCT/SE2012/050299 2011-03-21 2012-03-19 Poste de travail de transporteur WO2012128705A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1150250-7 2011-03-21
SE1150250A SE536035C2 (sv) 2011-03-21 2011-03-21 Transportörs-arbetsplats

Publications (1)

Publication Number Publication Date
WO2012128705A1 true WO2012128705A1 (fr) 2012-09-27

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SE (1) SE536035C2 (fr)
WO (1) WO2012128705A1 (fr)

Cited By (11)

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CN106115173A (zh) * 2016-08-12 2016-11-16 宁波洛克依奈尔智能科技有限公司 流水线作业的吊挂输送装置
EP3214024A1 (fr) * 2016-03-01 2017-09-06 EWAB Engineering AB Système de transporteur autonome
EP3546198A1 (fr) * 2018-03-28 2019-10-02 CL Schutzrechtsverwaltungs GmbH Installation comprenant au moins un appareil de fabrication additive d'objets tridimensionnels
EP3546197A1 (fr) * 2018-03-28 2019-10-02 CL Schutzrechtsverwaltungs GmbH Installation comprenant au moins un appareil de fabrication additive d'objets tridimensionnels
EP3546196A1 (fr) * 2018-03-28 2019-10-02 CL Schutzrechtsverwaltungs GmbH Installation comprenant au moins un appareil de fabrication additive d'objets tridimensionnels
CN110673511A (zh) * 2019-09-20 2020-01-10 歌尔股份有限公司 一种控制系统
EP3599526A1 (fr) 2018-07-23 2020-01-29 SMRC Automotive Holdings Netherlands B.V. Système et procédé automatisés de transfert de pièces
WO2020022186A1 (fr) * 2018-07-24 2020-01-30 株式会社オンワードホールディングス Système de gestion de couture
FR3088919A1 (fr) 2018-11-28 2020-05-29 Reydel Automotive B.V. Système et procédé automatisés de transfert de pièces
WO2022037350A1 (fr) * 2020-08-17 2022-02-24 浙江衣拿智能科技股份有限公司 Système et procédé de commande d'entrée et de sortie de station
CN114611908A (zh) * 2022-03-04 2022-06-10 海澜之家集团股份有限公司 用于调配的智能蝶状生产链、工作方法、柔性控制系统及其交互方法

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CN111792303B (zh) * 2020-07-10 2022-04-05 浙江衣拿智能科技股份有限公司 一种制衣吊挂系统及其变轨控制方法

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JP2019171849A (ja) * 2018-03-28 2019-10-10 ツェーエル・シュッツレヒツフェアヴァルトゥングス・ゲゼルシャフト・ミト・べシュレンクテル・ハフツング ３次元物体の付加製造用装置を少なくとも１つ含むプラント
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