WO2007121697A1 - Système de fabrication comprenant l'interconnexion de stations de traitement par l'intermédiaire d'un module de transfert élevé - Google Patents

Système de fabrication comprenant l'interconnexion de stations de traitement par l'intermédiaire d'un module de transfert élevé Download PDF

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Publication number
WO2007121697A1
WO2007121697A1 PCT/DE2007/000303 DE2007000303W WO2007121697A1 WO 2007121697 A1 WO2007121697 A1 WO 2007121697A1 DE 2007000303 W DE2007000303 W DE 2007000303W WO 2007121697 A1 WO2007121697 A1 WO 2007121697A1
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WO
WIPO (PCT)
Prior art keywords
transfer
module
pallet
pallets
guide
Prior art date
Application number
PCT/DE2007/000303
Other languages
German (de)
English (en)
Inventor
Helmut F. Jaeger
Original Assignee
Felsomat Gmbh & Co. Kg
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 Felsomat Gmbh & Co. Kg filed Critical Felsomat Gmbh & Co. Kg
Publication of WO2007121697A1 publication Critical patent/WO2007121697A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q41/00—Combinations or associations of metal-working machines not directed to a particular result according to classes B21, B23, or B24
    • B23Q41/02—Features relating to transfer of work between machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
    • B23Q7/1426—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices
    • B23Q7/1494—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices using grippers

Definitions

  • the invention relates to a linked production system for the machining of workpieces, which are arranged for transport on pallets.
  • a linked production system has become known, for example, from DE 10 2004 003 587 A1.
  • each workpiece typically passes sequentially through a large number of different machining processes, such as turning, milling or scraping.
  • the machining processes are carried out with highly specialized processing machines.
  • the processing machines are chained together with transport devices, so that the workpieces can get from one processing machine to the next.
  • a pallet can transport one or more workpieces (or even tools).
  • workpiece carriers called pallets.
  • a pallet can transport one or more workpieces (or even tools).
  • workpieces are removed by means of a portal from a pallet and fed to a processing machine. After machining, the gantry returns the workpiece to the pallet.
  • Simple manufacturing systems transport pallets with conveyor belts with fixed material flow direction from processing station to processing station. In front of the processing stations, pallets are dammed up on the conveyor belt, if necessary, until a pallet with its workpieces is ready for processing. Such simple manufacturing systems work with a fixed processing sequence of the pallets.
  • a further developed linked production system has become known from DE 10 2004 003 587 A1, in particular FIG. 8 there.
  • the workpiece carrier portals have a fixed material flow direction.
  • workpiece portals which are each connected to a plurality of processing stations.
  • a workpiece portal can work on a workpiece
  • Workpiece carrier access at a deployment location of the hand handling cell. By connecting the workpiece portals on the handling cell, any processing order of the pallets can be achieved at a processing station.
  • handling cells In a larger number of different processing stations, however, comparatively many handling cells must be provided in this known linking system, because only a few, typically two, workpiece portals can be connected to a handling cell for reasons of space.
  • the handling cells often create an unnecessarily large buffer capacity for workpiece carriers, and there are high costs and large space requirements.
  • the workpiece carrier In order to transport a workpiece carrier from one processing station to another, not immediately adjacent, other processing station, the workpiece carrier must be passed through several handling cells, which is labor intensive and time consuming.
  • an upper transfer module having a horizontal transfer guide in a main conveying direction (x direction), wherein the upper transfer module in the transfer guide is movable forwards and backwards on the transfer guide, the upper transfer module being adapted to handle individual pallets, and wherein the transfer guide is at a height of at least Located 2.0 m above the ground,
  • At least one logistics module comprising a plurality of buffer spaces for the storage of pallets and a separate, local transport device for handling individual pallets within the logistics module, wherein the upper transfer module can transfer individual pallets to the logistics module or receive them from it,
  • At least one transverse conveyor unit for individual pallets at least one transverse conveyor unit for individual pallets
  • the processing lines are not via a logistics cell (or handling cell), but over the
  • the number of connectable processing lines is basically unlimited and in particular independent of the number of logistics modules.
  • a production system according to the invention preferably three or more processing lines belong to a logistics module.
  • the transport can be done directly via the top transfer module and is therefore very fast.
  • an intermediate buffering in the logistics module can take place.
  • only one upper transfer module is used on a transfer guide, which can be moved over the entire length of the transfer guide;
  • a logistics module typically functions as a central buffer and delivery unit of pallets for all processing lines. With the aid of a logistics module can also be a link to another manufacturing system (and in particular a further upper transfer module and other processing strands). Since the manufacturing system according to the invention requires only a few logistics modules, it is less expensive and requires less space than conventional production systems.
  • the upper transfer module and the portals of the processing lines are linked via transfer points for pallets.
  • a transfer of pallets between transfer points and top transfer module respectively.
  • the pallets on the transfer stations do not hinder the transfer module when transporting other pallets.
  • each processing line has two transfer stations for pallets. While the workpieces of a pallet are currently being processed by the portal and the production stations at a first transfer point, a pallet exchange (processed pallet against pallet to be processed) can take place at the second transfer point. Through this decoupling of the transport of the upper transfer module and the workpiece machining, a high utilization of the production stations can be achieved.
  • a more efficient use of space is additionally achieved by making the transfer guide of the upper transfer module, the transfer stations and the portals and portal guides higher.
  • the arrangement at a height of at least 2.0 m (at the portal and portal guide in the amount of at least 2.2 m) is gained on the ground surface that can be used, for example, as a footprint for machine tools / production stations and as walk-in or passable zones , For example, walk-in zones and thus better access facilitate maintenance work, for example at the production stations, and facilitate transport processes in a workshop.
  • Improved accessibility and optical overview near the ground also increase the operational safety of the manufacturing system.
  • At least one local transverse conveyor unit is formed on each processing line, which can transfer individual pallets between the upper transfer module and the transfer stations of the processing line.
  • the upper transfer module can be built more easily.
  • the at least one transverse conveyor unit is formed on the upper transfer module, wherein the upper transfer module can serve a second, horizontal conveying direction (y-direction) transversely to the x-direction.
  • only one cross conveyor unit per top transfer module is required, which is particularly cost-effective.
  • Transfer guide are arranged and which are accessible for depositing and receiving a pallet for the upper transfer module, and that the local buffer locations are located at a height of at least 2.0 m above the ground. Local buffer spaces outside the logistics module can provide long travels for pallets to the logistics module
  • the local buffer locations are provided in the area of the transfer points of at least one processing line. As a result, pallet changes can be accelerated at these transfer points.
  • An advantageous embodiment of the linked production system provides that the transfer points of the processing lines are provided with a transport device, by means of which a pallet, which is arranged on a transfer station, lowered to the ground and a pallet can be raised from the ground up to the transfer point. This allows a manual pallet change at the transfer points if the top transfer module or a local cross conveyor fails.
  • a processing strand are designed to perform identical machining operations on the workpieces. This speeds up the processing of a pallet at one of the transfer points. Furthermore, the decoupling of pallet transport is ensured by means of upper transfer module and processing in the processing line at exactly two transfer points.
  • gantries of the portals of the processing lines run above the transfer guide.
  • an access of a portal gripper on a workpiece of a pallet at a transfer station which is typically about the same height as a pallet space of the top transfer module, easily done from above.
  • a support is formed at the intersection of transfer guide and portal guides, which receives a portal carrier of the portal guide, the transfer guide and the transfer points, in particular wherein in the support a cabinet for the portal is integrated.
  • the support at the crossing point prevents elastic deformations and creep deformations on the transfer guide and portals.
  • An embodiment in which the upper transfer module has an oil pan is preferred. Oil dripping from the workpieces after being processed by a pallet (which is designed, for example, as a wire frame) is thus collected, and contamination, in particular of the transfer guide, is avoided.
  • the oil pan has a lower outlet opening with a closure, wherein the closure is biased into a closed position, in particular by gravity or spring force, and that provided in the linked production system emptying spaces for the upper transfer module are at which opening elements, in particular wedges or projections are formed, which automatically open the closure of the upper transfer module at an emptying place, in particular wherein the emptying stations are formed at stopping points of the upper transfer module next to the transfer points. This ensures a regular emptying of the oil pan automatically and with little effort.
  • the upper transfer module is designed as H-module.
  • the first pallet slot can accommodate a processed pallet, and the second pallet slot immediately thereafter can provide a pallet still to be processed. In between, the upper transfer module only needs to move about one pallet length. This speeds up the pallet change at the transfer points.
  • This embodiment provides that two cross conveyor units are formed on the upper transfer module, wherein each cross conveyor unit can serve a pallet space of the upper transfer module.
  • each cross conveyor unit can serve a pallet space of the upper transfer module.
  • local cross-conveyor units are dispensable, which saves costs.
  • the transfer guide, the transfer points, the portal and possibly local buffer locations are arranged at a height of at least 2.5 m above the ground. This ensures more headroom for people on the ground, and improves the usability of the overbuilt floor.
  • An embodiment of the linked production system in which the at least one logistics module is connected to one Is arranged at the end of the transfer guide, in particular that at the two ends of the transfer guide in each case a logistics module is arranged. At the end of the transfer, there is sufficient space to arrange the logistics module there. In particular, crossovers of the logistics module or the logistics module of associated devices with the transfer guide can be easily avoided.
  • a non-terminal logistics module does not interrupt a transfer in the context of the invention, but is arranged according to the invention next to the transfer guide. In the context of the invention, however, a logistics module can be connected to two top transfer modules of different inventive linked production systems.
  • An inventive linked production system preferably has exactly one or exactly two logistics modules.
  • a particularly preferred embodiment is characterized in that in the at least one logistics module at least one functional space is set up for a pallet, that at the at least one functional location, a device for performing work on workpieces of a pallet, which is arranged at the functional location, is provided.
  • This functional location can be used by all processing lines of the manufacturing system (or pallets coming from any processing line). As a result, local devices for carrying out work on workpieces on the portal guides of the processing lines can be saved. The portals of the processing lines then need to cope less transport operations of workpieces, and if necessary portals can be saved.
  • the device is designed for deburring workpieces, or for cleaning or washing workpieces, or for measuring workpieces, or for screwing workpieces. All these frequently occurring tasks can be centralized and therefore with less effort will be realized.
  • the at least one logistics module is designed as an automation cell with which any pallets stored in the automation cell can be accessed.
  • each pallet in the automation cell can be accessed directly (in particular without restocking), for example for the purpose of removal or transfer to the top transfer module. Thanks to the automation cell, the processing sequence of pallets is particularly flexible.
  • each LM stack space being accessible to the LM three-axis module for depositing and receiving an uppermost pallet of a stack of pallets at the LM stack.
  • the stacking stations can be used to manage particularly large quantities of pallets, Preferably pallets with the same workpieces are preferably stacked on top of one another in the same processing state.
  • an LM workstation in particular an assembly station or manufacturing station, on which workpieces can be machined, at least one LM transfer station for a pallet arranged laterally of the horizontal LM module guide and that for the LM three-axis module for depositing and picking up a pallet is accessible,
  • An LM portal which is designed for handling workpieces, and which can transport workpieces from a pallet at the at least one LM transfer station to the LM workstation and back.
  • an LM workstation is integrated into the linked production system via the logistics module.
  • the LM workstation is fed via the LM three-axis module, which relieves the transfer module of transport operations.
  • the. at least one LM working device at least two LM transfer points on.
  • the LM working device can be decoupled.
  • the LM stacking stations is designed as LM docking stations, wherein a parking space for a trolley is provided at each LM docking station, wherein a trolley, which is arranged on the parking space, for the LM triaxial module! is accessible for depositing and picking up an uppermost pallet of a stack of pallets on the trolley, and wherein each LM docking station has access through which an empty trolley or even a trolley loaded with a stack of pallets is transported to the parking space and away from the parking space can, in particular by manual, ground-level displacement of the trolley.
  • About the trolley pallets or pallet stack can be easily inserted and removed in the linked production system.
  • At least a part of the LM stacking stations is formed in shelves, wherein a plurality of the shelves are arranged vertically one above the other.
  • the main conveying direction (x direction) of the upper transfer module and the LM main conveying direction (x 'direction) of the LM three-axis module run in parallel. This facilitates the transfer of pallets between the upper transfer module and the LM three-axle module.
  • the scope of the present invention also includes a production request comprising a plurality of linked production systems according to the invention, wherein at least part of the logistics modules are accessible by a plurality of upper transfer modules, in particular wherein a linear sequence of logistics modules and upper transfer modules is provided.
  • a production request comprising a plurality of linked production systems according to the invention, wherein at least part of the logistics modules are accessible by a plurality of upper transfer modules, in particular wherein a linear sequence of logistics modules and upper transfer modules is provided.
  • FIG. 1 is a schematic plan view of a linked production system according to the invention
  • FIG. 2 shows a schematic plan view of a production plant according to the invention, comprising two linked production systems
  • FIG. 3 is a schematic oblique view of a crossing point of a horizontal transfer guide and a horizontal gantry guide of a processing line in a linked production system according to the invention
  • 4a is a schematic side view of an upper transfer module with an oil pan with a closed outlet opening, for use with the invention
  • FIG. 4b shows the upper transfer module of FIG. 4a at an emptying station with opened outlet opening
  • Fig. 4c the upper transfer module of Fig. 4a before a discharge place in a schematic plan view.
  • FIG. 1 shows a schematic plan view of an inventive linked production system with three processing lines 1, 2, 3, which are coupled to a logistics module 5 via an upper transfer module 4.
  • the upper transfer module 4 can be moved on a transfer guide 6, which runs in a horizontal x direction, by means of an NC axis control.
  • the upper transfer module 4 can be moved over the entire length of the transfer guide 6.
  • the horizontal transfer guide 6 is raised so that the lower edge of the transfer guide 6 at a height of at least 2.0 m above the ground (about a workshop) is arranged.
  • the transfer guide 6 is carried at intersections 7 of transfer guide 6 and portal guides 8 by means of supports (not shown).
  • the transfer module 4 comprises two pallet spaces 4a, 4b, on each of which a pallet can be arranged. On a pallet, one or more workpieces can be arranged.
  • the transfer module 4 further comprises two transverse conveyors, not shown (one for each pallet space 4a, 4b), with which a pallet from a pallet space 4a, 4b to a transfer point 9a, 9b of a processing line 1, 2, 3 or to a transit area 10a, 10b of the logistics module 5 can be handed over and vice versa.
  • the transverse conveyors can thus move pallets in the y-direction by a little more than one pallet width.
  • two local buffer spaces 2a, 2b are also formed for individual pallets, which are accessible to the upper transfer module 4 in the same way.
  • Each processing line 1, 2, 3 has two transfer points 9a, 9b, on each of which a pallet can be arranged.
  • the workpieces of a pallet arranged there can be moved by means of a portal (portal gripper) 11 to production stations 12a, 12b.
  • the workpieces are machined, such as milled or turned off.
  • all of the manufacturing stations 12a, 12b within a processing line 1, 2, 3 can perform the same processing operations, whereas the processing operations differ from processing line to processing line.
  • the workpieces are returned to a pallet on one of the transfer stations 9a, 9b.
  • the logistics module 5 is arranged at the lower end of the transfer guide 6 in FIG.
  • the logistics module 5 includes a LM triaxial module 13 that can accommodate a single pallet.
  • the LM three-axis module 13 can be moved along an LM module guide 14 in a horizontal x 'direction within the logistics module 5.
  • the triaxial module 13 can move a picked-up pallet in the y'-direction transverse to the x'-direction, and also move a picked-up pallet in a vertical z'-direction perpendicular to the drawing plane (ie raise or lower).
  • the pallets are deposited by the LM three-axis module 13 at the transfer locations 10a, 10b. Subsequently, the upper transfer module 4 stops in front of the transfer stations 10a, 10b and takes the pallets by means of the
  • Transverse conveyor units of the upper transfer module 4 can also be deposited by the top transfer module 4 at the transfer locations 10a, 10b and picked up by the LM three-axis module 13. In area 15 overlap the transfer guide 6 and the LM module guide 14.
  • An important purpose of the logistics module 5 is the storage or buffering of pallets.
  • pallets are stored individually and / or stacked in the logistics module 5.
  • the pallets are predominantly stacked.
  • shelf storage 16 are provided which have a plurality of superimposed shelves (not shown). In each shelf a pallet stack can be formed.
  • the logistics module 5 is largely surrounded by a wall 5a to protect workers in the area from moving machine parts.
  • FIG. 3 shows a schematic partial section of a
  • portal guide 8 On the portal guide 8 two portals 11, 11 'are arranged and movable in the y direction.
  • the y-direction is perpendicular to the x-direction.
  • Each gantry 11, 11 ' has a clamping holder 36 that can be moved vertically in the z-direction, with which a single workpiece can be removed from a pallet 30 at one of the transfer stations 9a, 9b or placed in a pallet 30.
  • the portals 11, 11 ' can each be assigned to specific processing stations (not shown).
  • the transport capacity for workpieces can be increased, especially with a larger number of processing stations on the processing line 1.
  • the processing stations are divided left and right of the transfer guide 6 to a mutual obstruction of the portals 11, 11 'to minimize.
  • the portal guide 8 is arranged at a height of about 3.0 m here.
  • projection 45 and collecting recess 46 may be formed, for example, centrally on a stopping place 32 between two transfer points 9a, 9b.
  • the upper transfer module 31 stops during the transfer of a pallet to or from a transfer point 9a, 9b, which is usually sufficient to drain a larger amount of oil dripped from the oil pan 41.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • General Factory Administration (AREA)
  • Multi-Process Working Machines And Systems (AREA)

Abstract

L'invention concerne un système de fabrication raccordé, permettant le traitement de pièces à usiner (42), disposées sur des palettes (30). Plusieurs branches d'usinages (11, 11') comprenant, respectivement, un portail (11, 11') pour des pièces à usiner et plusieurs stations (12a, 12b) d'usinage sont associées à un module de transfert (4; 25a, 25b, 26a; 31) par l'intermédiaire d'endroits de transfert (9a, 9b). Ledit module de transfert est configuré de manière à manipuler des palettes individuelles et peut être déplacé de manière linéaire le long d'un guide de transfert (6, 25, 26), en particulier, vers un module logistique (5, 23, 24, 27). Une pluralité de palettes est stockée temporairement entre des palettes, et le module logistique présente son dispositif de transport individuel permettant de manipuler des palettes individuelles à l'intérieur du module logistique. Le système de fabrication raccordé de l'invention permet de raccorder un grand nombre de stations de fabrication de manière compacte et flexible, par l'intermédiaire de procédés de transport rapides.
PCT/DE2007/000303 2006-04-24 2007-02-16 Système de fabrication comprenant l'interconnexion de stations de traitement par l'intermédiaire d'un module de transfert élevé WO2007121697A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006019326.1 2006-04-24
DE200610019326 DE102006019326B3 (de) 2006-04-24 2006-04-24 Fertigungssystem mit Verkettung von Bearbeitungsstationen über ein hochgelegtes Transfermodul

Publications (1)

Publication Number Publication Date
WO2007121697A1 true WO2007121697A1 (fr) 2007-11-01

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PCT/DE2007/000303 WO2007121697A1 (fr) 2006-04-24 2007-02-16 Système de fabrication comprenant l'interconnexion de stations de traitement par l'intermédiaire d'un module de transfert élevé

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DE (1) DE102006019326B3 (fr)
WO (1) WO2007121697A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE102014101867A1 (de) * 2014-02-14 2015-08-20 Mag Ias Gmbh Fertigungssystem mit einer Mehrzahl von Werkzeugmaschinen und Verfahren zum Betreiben eines Fertigungssystems

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DE102012011534A1 (de) * 2012-06-11 2013-12-12 Liebherr-Verzahntechnik Gmbh Mehrstufiges Verteilsystem
DE102013014266A1 (de) * 2013-08-27 2015-03-05 Liebherr-Verzahntechnik Gmbh Verkettungssystem für Obertransfereinrichtungen
TWI573676B (zh) * 2013-10-30 2017-03-11 Bilateral door type automatic reclaiming device
DE102015107574B4 (de) * 2015-05-13 2024-09-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren und Vorrichtung zur kontinuierlichen Fertigung bzw. Montage

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DE3538720A1 (de) * 1985-10-31 1987-05-07 Kristoph Schoenberg Bearbeitungsstation
DE20317578U1 (de) * 2002-11-15 2004-03-11 Niles-Simmons Industrieanlagen Gmbh Flexible Fertigungslinie
EP1566349A2 (fr) * 2004-01-16 2005-08-24 FELSOMAT GmbH & Co. KG Cellule de manipulation et système de fabrication

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DE3538720A1 (de) * 1985-10-31 1987-05-07 Kristoph Schoenberg Bearbeitungsstation
DE20317578U1 (de) * 2002-11-15 2004-03-11 Niles-Simmons Industrieanlagen Gmbh Flexible Fertigungslinie
EP1566349A2 (fr) * 2004-01-16 2005-08-24 FELSOMAT GmbH & Co. KG Cellule de manipulation et système de fabrication

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101867A1 (de) * 2014-02-14 2015-08-20 Mag Ias Gmbh Fertigungssystem mit einer Mehrzahl von Werkzeugmaschinen und Verfahren zum Betreiben eines Fertigungssystems

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