WO2007048809A1 - Magasin a chaine - Google Patents

Magasin a chaine Download PDF

Info

Publication number
WO2007048809A1
WO2007048809A1 PCT/EP2006/067768 EP2006067768W WO2007048809A1 WO 2007048809 A1 WO2007048809 A1 WO 2007048809A1 EP 2006067768 W EP2006067768 W EP 2006067768W WO 2007048809 A1 WO2007048809 A1 WO 2007048809A1
Authority
WO
WIPO (PCT)
Prior art keywords
chain
magazine according
guide
chain magazine
links
Prior art date
Application number
PCT/EP2006/067768
Other languages
German (de)
English (en)
Inventor
Alexander Miksch
Steffen Hofmann
Franz Aschenbrenner
Original Assignee
Miksch 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 Miksch Gmbh filed Critical Miksch Gmbh
Publication of WO2007048809A1 publication Critical patent/WO2007048809A1/fr

Links

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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
    • B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
    • B23Q3/15724—Chains or belts
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B23Q3/15526—Storage devices; Drive mechanisms therefor

Definitions

  • the invention relates to a chain magazine, in particular a chain magazine for holding tools, in particular tools of a machine tool or a machining center.
  • Chain magazines for tools of machine tools, in particular machining centers are from, for example
  • the chain magazines described in these documents have a chain, the chain links of which are each provided with a tool holder.
  • the chain runs over sprockets that deflect the chain by 90 ° and 180 °.
  • the chain must be sufficiently tensioned.
  • the chain is driven by a driven sprocket.
  • the other sprockets are usually provided with a freewheel.
  • the endless chain can be meandered over a suitable arrangement of the sprockets in order to achieve the highest possible packing density in the chain magazine. Such a construction is shown in DE 3431091 A1.
  • DE 3905780 Cl shows such a generic construction in which the chain links run in the straight conveyor sections of the chain to improve the positional positioning in guide rails.
  • the object of the invention is to provide a chain magazine with which, on the one hand, a high packing density can be achieved in the magazine and, on the other hand, perfect, low-maintenance operation of the chain magazine is also guaranteed over a longer operating period.
  • This object is solved by the features of claim 1.
  • the chain links are continuously guided in a guide rail which is designed so that the receiving sections of the
  • Chain links on which the object to be picked up describe a circular arc or an arc segment at the deflection points of the chain.
  • the chain magazine according to the invention manages without chain wheels that deflect the chain. Rather, the chain is mostly guided continuously in at least one guide rail.
  • This guide rail is designed in such a way that the receiving sections mentioned also describe an arc or an arc segment at the deflection points of the chain, that is to say both inside and outside curves of the chain.
  • the chain has curves of 90 ° and more than 90 °.
  • a meandering shape of the chain guide is preferred in order to achieve a high packing density.
  • the chain links are advantageously articulated to one another directly via connecting sections.
  • the chain links each have two connecting sections which are connected to connecting sections of the adjacent chain links.
  • Connection sections are advantageously provided on the side of the receiving sections.
  • a guide section is expediently provided for guiding the chain links in said guide rail relative to the receiving sections or the connecting sections.
  • the guide section expediently has at least one guide element which engages in the guide rail and ensures the guidance of the chain link.
  • the guide elements are expediently provided with a roller or a sliding element in order to ensure a low-friction but sufficiently accurate Ensure guidance in the guide rail.
  • the guide element can be designed such that it guides the chain link sufficiently in all required directions.
  • other contact elements can also be provided on the chain link, in addition to
  • a contact element is expediently provided on the chain link at a right angle to the guide element. Constructions with two opposing contact elements are also conceivable. These contact elements can also have a roller or a slider.
  • the receiving section advantageously has the shape of a fork, the open ends of the fork pointing away from the guide rail.
  • Connecting sections of the chain links are advantageously provided at the ends of a U-shaped area of the chain links, with a wide variety of designs being conceivable.
  • a design as in the specific exemplary embodiment has proven itself, in which a central projection is provided on one side of the chain link and two projections which are spaced apart from one another on the opposite side of the chain link and accommodate the central projection of the previous chain link.
  • the connection sections can expediently be connected via bolts.
  • the chain is advantageously driven by at least one drive unit.
  • This drive element can have a type of worm that is driven by a motor.
  • This “snail” component is provided with a helical groove into which a drive element the chain links engages.
  • the worm can be designed or have a length such that several chain links are in engagement with the worm.
  • a construction was chosen in which the contact element simultaneously represents the drive element and engages in the aforementioned groove of the screw.
  • the drive element can also be designed as a separate element.
  • other elements of the chain link for example the guide elements, can be provided for engagement with the worm. According to the detailed description
  • An exemplary embodiment of a drive unit with a helical element has a helical groove.
  • an element with a helical rib can also be provided, which accordingly engages with the drive element of the chain links.
  • the chain links are not only driven by the engagement of the chain links with the drive component designed as a worm in the specific exemplary embodiment, but they are also additionally aligned by the engagement with the helical groove or a helical rib.
  • the transfer station for taking over the objects from the chain links is advantageously provided in the area of this drive unit, since in this area the chain links and thus the objects to be transported are better aligned than in other areas of the guide rail.
  • Fig. 1 shows the chain magazine in perspective.
  • Fig. 2 shows the chain magazine in plan view.
  • Fig. 3 shows the tracks of the chain links and the guide rail.
  • FIG. 4 shows a detail from FIG. 3 with curvature combs of the middle of the guideway of the guideway which are shown at an elevated level.
  • Fig. 5 shows the chain magazine with the side plate removed.
  • Fig. 6 shows the chain magazine in section through the guide rail.
  • Fig. 7 shows a chain link with picked tool in a perspective view.
  • Fig. 8 shows a chain link in a perspective view.
  • the chain magazine can be seen in perspective.
  • the chain magazine consists of a guide rail 1, which is not directly visible in the illustration, in which the chain links 2, which are connected to one another, run.
  • the side surfaces of the chain magazine are covered with side plates 5.
  • 1 shows the drive unit 3, which engages with drive elements of the chain links in order to drive the chain.
  • the chain links are shown in more detail in FIGS. 7 and 8, but it is already shown in FIG. 1 that the individual chain links are articulated to one another via connecting bolts 6.
  • Fig. 2 shows the chain magazine in plan view.
  • the chain links 2 have fork-shaped receiving sections for receiving tools. These are explained in detail with reference to FIGS. 7 and 8.
  • Fig. 2 the angle between the surfaces of these fork-shaped receiving sections was entered in order to make it clear that the chain links when passing through a curve of the
  • a guide rail is used, the center line of which is the guide path for the chain links, is composed of modified circular arcs and tends to be in line with this, as in Fig 4 shown.
  • the dash-dotted line represents the guideway 100 of the guide rail 1 of chord effects when transporting the chain links modified circular arcs with tangent lines as shown.
  • the curvature combs of the guideway center line have been exaggerated for better understanding.
  • the desired design of the guide rail or the guide path of the guide rail 100 results in the desired continuous circular arc of the path 110 of the chain link joints or the receiving sections.
  • Fig. 5 shows the chain magazine with the side plate removed.
  • the drive unit 3, which has a drive screw 7, can be clearly seen.
  • This drive worm 7 has a helical circumferential groove 8. This groove 8 comes with elements 9 of the chain links 2 in
  • These elements 9 are elements of the chain link 2 that are equipped with a roller and that are both guide and drive elements. This element 9 is provided on the inside of the chain links 2 and can come into engagement with the rotating drive element 7.
  • the length of the drive element 7 or the helical groove 8 is dimensioned such that two elements 9 of the chain links 2 are always in engagement with the helical groove 8.
  • the drive element 7 is driven by the drive unit 3, that is to say set in rotation, and can be rotated in both directions.
  • the guide rail 1 can be seen with its recesses, in which two opposite guide elements 11 of the chain link 2 run.
  • the chain links 2 are further equipped with a contact element 12 which is attached to guide strips 13 which are located within the Guide rail 1 are provided, abuts, or rolls on this.
  • the structure of the individual chain links 2 is best seen in FIGS. 7 and 8.
  • the chain links 2 have the opposite guide elements 11 mentioned, which are provided with guide rollers 14. These guide elements 11 are, as it were, provided to the side of the chain link 2, whereas the contact element 12, which is also equipped with a roller 15, is provided on the back of the chain links 2, that is to say at a 90 ° angle to the plane spanned by the guide elements 11.
  • the chain link 2 is safely guided in all three axes by the mentioned guide elements 11 and the contact element 12.
  • the chain link 2 is further provided with a receiving section 16 for receiving a tool.
  • This receiving section 16 has a fork-shaped shape and points with the open area or with the ends away from the guide rail 1.
  • Such receiving sections 16 are common in tool magazines and can be easily equipped with tools to be picked up, or the tools can be removed from these receiving sections 16 in a simple manner.
  • the opposite connecting sections are provided, which in the exemplary embodiment described is formed on one side of the chain link 2 by a projecting projection 17 and on the other side of the chain link 2 by two parallel but spaced apart projections 18.
  • the projections 17 and 18 are dimensioned such that the single, central projection 17 can engage between the two parallel, spaced projections 18 of an adjacent chain link. This engagement takes place in such a way that the bores 19 provided on the projections are aligned with one another and a connection of the chain links by connecting bolts 6, as shown in FIG. 1, is possible. In this way, an endless chain is formed from the chain links 2 shown, which is securely guided in all three axes in the guide rail 1 by the described guide elements 11 and the contact element 12.
  • the drive takes place in the manner described by the drive unit 3, which via the worm-shaped drive part 7 with the contact element 12, which on the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

L'invention concerne un magasin à chaîne pour objets, en particulier des outils, qui présente plusieurs maillons (2) de chaîne reliés les uns aux autres. Ces maillons de chaîne présentent une partie de réception qui reçoit les objets et une partie de guidage qui guide le maillon (2) de chaîne dans un rail de guidage (1). Les maillons (2) de chaîne forment une chaîne en boucle fermée et le rail de guidage (1) est configuré de telle sorte qu'aux points de renvoi de la chaîne, les parties de réception décrivent un arc de cercle ou un segment d'arc de cercle.
PCT/EP2006/067768 2005-10-26 2006-10-25 Magasin a chaine WO2007048809A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005052353.6 2005-10-26
DE102005052353A DE102005052353B4 (de) 2005-10-26 2005-10-26 Kettenmagazin

Publications (1)

Publication Number Publication Date
WO2007048809A1 true WO2007048809A1 (fr) 2007-05-03

Family

ID=37640172

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/067768 WO2007048809A1 (fr) 2005-10-26 2006-10-25 Magasin a chaine

Country Status (2)

Country Link
DE (1) DE102005052353B4 (fr)
WO (1) WO2007048809A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160271746A1 (en) * 2013-11-08 2016-09-22 Makino Milling Machine Co., Ltd. Chain-type tool magazine
KR102404169B1 (ko) * 2021-01-29 2022-05-30 산제트 인터내셔널 컴퍼니, 리미티드 툴매거진 어셈블리

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101520967B1 (ko) * 2008-11-14 2015-05-15 두산인프라코어 주식회사 양방향 굴절방식의 툴 그리퍼 체인
DE102009008647A1 (de) 2009-02-12 2010-09-09 Deckel Maho Pfronten Gmbh System zum Wechseln und Einlegen bzw. Vorlegen von Werkzeugen an einer Werkzeugmaschine und Werkzeugmagazin zum Lagern von Werkzeugen
DE102011082050A1 (de) 2011-09-02 2013-03-07 Deckel Maho Pfronten Gmbh System zum Wechseln und Einlegen bzw. Vorlegen von Werkzeugen an einer Werkzeugmaschine und Werkzeugmagazin, sowie Werkzeugmaschine mit einem Werkzeugwechselsystem bzw. Werkzeugmagazin
DE102011088055A1 (de) 2011-12-08 2013-06-13 Deckel Maho Pfronten Gmbh System und Verfahren zum Bereitstellen von Werkzeugen an einer Werkzeugmaschine, sowie Werkzeugmaschine mit einem Werkzeugwechselsystem

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2103582A1 (fr) * 1970-08-28 1972-04-14 Olivetti & Co Spa Changement automatique des outils dans une machine-outil multiple.
US4110897A (en) * 1976-12-02 1978-09-05 Bendix Machine Tool Corporation Apparatus for automatically changing tool heads
DE3431091A1 (de) * 1984-08-23 1986-03-06 Maho Werkzeugmaschinenbau Babel & Co, 8962 Pfronten Kettenmagazin fuer werkzeugmaschinen
US4699276A (en) * 1986-07-31 1987-10-13 Kearney & Trecker Corporation Chain-type tool storage magazine
EP0566763A1 (fr) * 1992-04-23 1993-10-27 Alfing Kessler Sondermaschinen GmbH Procédé et dispositif pour le changement d'outil dans une machine-outil monobroche

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3905780C1 (fr) * 1989-02-24 1990-01-25 Gebr. Heller Maschinenfabrik Gmbh, 7440 Nuertingen, De
DE9414140U1 (de) * 1994-09-01 1994-10-20 Kelch & Co Werkzeugmaschf Werkzeugmagazin, insbesondere für Werkzeugwechsler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2103582A1 (fr) * 1970-08-28 1972-04-14 Olivetti & Co Spa Changement automatique des outils dans une machine-outil multiple.
US4110897A (en) * 1976-12-02 1978-09-05 Bendix Machine Tool Corporation Apparatus for automatically changing tool heads
DE3431091A1 (de) * 1984-08-23 1986-03-06 Maho Werkzeugmaschinenbau Babel & Co, 8962 Pfronten Kettenmagazin fuer werkzeugmaschinen
US4699276A (en) * 1986-07-31 1987-10-13 Kearney & Trecker Corporation Chain-type tool storage magazine
EP0566763A1 (fr) * 1992-04-23 1993-10-27 Alfing Kessler Sondermaschinen GmbH Procédé et dispositif pour le changement d'outil dans une machine-outil monobroche

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160271746A1 (en) * 2013-11-08 2016-09-22 Makino Milling Machine Co., Ltd. Chain-type tool magazine
US10245692B2 (en) * 2013-11-08 2019-04-02 Makino Milling Machine Co., Ltd. Chain-type tool magazine
KR102404169B1 (ko) * 2021-01-29 2022-05-30 산제트 인터내셔널 컴퍼니, 리미티드 툴매거진 어셈블리

Also Published As

Publication number Publication date
DE102005052353B4 (de) 2009-11-19
DE102005052353A1 (de) 2007-05-03

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