EP1083031B1 - Chaîne de sciage pour outil à couper des panneaux sandwich - Google Patents

Chaîne de sciage pour outil à couper des panneaux sandwich Download PDF

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Publication number
EP1083031B1
EP1083031B1 EP00118361A EP00118361A EP1083031B1 EP 1083031 B1 EP1083031 B1 EP 1083031B1 EP 00118361 A EP00118361 A EP 00118361A EP 00118361 A EP00118361 A EP 00118361A EP 1083031 B1 EP1083031 B1 EP 1083031B1
Authority
EP
European Patent Office
Prior art keywords
saw chain
chain
links
face
faces
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.)
Expired - Lifetime
Application number
EP00118361A
Other languages
German (de)
English (en)
Other versions
EP1083031A2 (fr
EP1083031A3 (fr
Inventor
Andreas Tinner
Matthias Accola
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.)
Trumpf SE and Co KG
Original Assignee
Trumpf SE and 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 Trumpf SE and Co KG filed Critical Trumpf SE and Co KG
Publication of EP1083031A2 publication Critical patent/EP1083031A2/fr
Publication of EP1083031A3 publication Critical patent/EP1083031A3/fr
Application granted granted Critical
Publication of EP1083031B1 publication Critical patent/EP1083031B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B33/00—Sawing tools for saw mills, sawing machines, or sawing devices
    • B27B33/14—Saw chains
    • B27B33/142—Cutter elements
    • B27B33/145—Cutter elements having plural teeth on a single link
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0083—Attachments for guiding or supporting chain saws during operation

Definitions

  • the invention relates to a saw chain for a tool for separating sandwich panels according to the preamble of claim 1.
  • such a guide is effected by the interaction of the side surfaces of the saw chain and the cutting surfaces associated therewith on the sandwich plate to be processed.
  • the side surfaces of the saw chain serve as guide surfaces, which move along the sandwich-plate side cut surfaces and over which the saw chain can be supported on the sandwich panel against unwanted lateral deflection.
  • those chain links of the prior art saw chain which face the cut surfaces of the respective sandwich panel, beveled defined at their surfaces facing the cut surfaces, that the width of the saw chain with increasing distance reduced by the cutting edges and consequently results in a free angle between the side surfaces of the saw chain and these opposite cut surfaces on the sandwich plate.
  • the production of the bevels described is associated with a certain manufacturing effort.
  • the present invention has set itself the goal.
  • a saw chain of the type mentioned in the case of which the characterizing features of claim 1 are provided.
  • the claimed gradation of the side surfaces of the saw chain or the respective surface or surfaces of said chain links can be created in particular on the basis of the commonly used chain links blanks with rectangular cross-section on manufacturing technology simplest way.
  • the side surfaces of the saw chain are in the sandwich plate processing only with a part, namely at the superior partial surfaces, in frictional contact with the created cut surfaces on the workpiece to be machined. A small friction surface but also requires a small frictional resistance during the movement of the saw chain.
  • the relevant chain link blanks and a corresponding machining tool such as a roll grinder, only move along in the direction of the later movement of the saw chain.
  • the composite construction of the chain links allows the consideration of the fact that different areas of the chain links are subjected to different stresses during operation. Approximately in the area of the cutting teeth engaging in the material of the sandwich panels to be machined, larger and different stresses act than in the remaining areas of the chain links. Against this background, the advantages of the type described in claim 3 type of saw chain according to the invention are obvious.
  • the saw chain according to the invention according to claim 4 is characterized by a produced with little effort connection of the chain links with each other.
  • the bolt heads, the chain pins can be easily manufactured, for example, create as rivet heads. After they are arranged in the recessed partial surfaces of the chain links or the side surfaces of the saw chain, with appropriate dimensions of the bolt heads or with a corresponding distance of the superior of the recessed faces of the chain links readily ensured that the bolt heads not on the superior faces of Projecting side surfaces of the saw chain and affect the leadership of the saw chain.
  • a cutting tool 1 for processing a sandwich panel 2 comprises a base body 3 with a guide rail 4 for an endless saw chain 5.
  • the sandwich panel 2 consists of a foam core and this on both sides adjacent Cover layers in the form of approximately 1 mm thick metal sheets.
  • the saw chain 5 is deflected at the two ends of the guide rail 4 each along a circular arc-shaped path and guided rectilinearly on the longitudinal sides of the guide rail 4.
  • an electric motor 6 with two speed switching stages.
  • On its side opposite the electric motor 6 side of the main body 3 of the cutting tool 1 is provided with a broken in Fig. 1 housing 7, which surrounds the saw chain 5 on the drive side forming a gap 8 between the saw chain 5 and housing 7.
  • In the gap 8 opens a suction hose 9, which is attached via a connecting piece 10 of the housing 7 to the latter and connected with its other end to the suction side of a fan.
  • a machine guide 11 of the cutting tool 1 consists essentially of a support plate 12 and a pivot bearing 13, by means of which the main body 3 of the cutting tool 1 is pivotally connected to the support plate 12 about an axis 14 extending parallel to the plane of the sandwich panel 2 axis.
  • a double arrow 15 illustrates the direction of the relative pivoting movement of the base body 3 and the support plate 12.
  • a slot 16 in the support plate 12 allows the main body 3 of the cutting tool 1 and with this the saw chain 5 between the working position shown in FIG. 1 and a rest position in which the saw chain 5 is out of engagement with the sandwich panel 2, back and forth to pan.
  • the operator of the separating tool 1 has handles 17, 18 on the base body 3.
  • This comprises a plurality of detent openings on the base body 3 of the cutting tool 1 and a displaceable in the axial direction against spring lockable latching pin 20 which slidably supported on a bearing block 12 connected to the bearing block 21 of the pivot bearing 13 in its axial direction is.
  • the latching openings are located on the side facing away from the viewer of Fig. 1 side of the base body 3 and are arranged in the direction of pivotal movement of the base body 3 in a row.
  • the base body 3 was when the electric motor 6 from a rest position in which the saw chain 5 and the chain guide 4 had been located on the side remote from the sandwich panel 2 side of the support plate 12, counterclockwise has been pivoted about the axis 14.
  • the saw chain 5 had come through the slot 16 of the support plate 12 on the surface of the sandwich plate 2 for support.
  • the saw chain 5 had cut into the sandwich panel 2 until it was finally inclined against the sandwich panel 2 at the end of the pivotal movement with the guide rail 4 as shown in FIG.
  • the cutting tool 1 by the operator in the cutting direction, ie in the direction of an arrow 22, slidably moved on the sandwich panel 2 and in this way in the sandwich panel 2, a separating slot has been created, which takes its output inside the surface of the sandwich panel 2 , Throughout the machining operation, the saw chain 5 had been rotated in its direction of movement illustrated by an arrow 23.
  • the saw chain 5 had the various layers of the sandwich panel 2 severed.
  • the cutting dust formed was sucked into the gap 8 between the saw chain 5 and the housing 7 and discharged from there via the suction hose 9.
  • the support plate 12 was used to protect the operator from the circulating saw chain 5.
  • the cut surfaces created during the processing of the sandwich panel 2 had, in interaction with the saw chain 5, caused their lateral guidance during the separation process.
  • the saw chain 5 consists of three transverse to their direction of movement 23 adjacent rows of chain links 24, 25, 26. These are the chain links 24, 26 structurally matching outer links, in the chain links 25 to center members of Saw chain 5.
  • the juxtaposed outer members 24, 26 are aligned with each other, while the center members 25 are arranged offset in the direction of movement 23 of the saw chain 5 against the outer members 24, 26 and with in the direction of movement 23 of the saw chain 5 consecutive outer members 24, 26 overlap (Fig. 2).
  • the cutting teeth 35, 36 have transverse to the direction of movement 23 of the saw chain 5 extending cutting edges 37, 38 and lie with their outwardly facing tooth faces in the superior faces 31, 32 of the outer members 24, 26 cutting teeth 39 of the center members 25 of the saw chain 5 have cutting edges 40, which also extend transversely to the direction of movement 23 of the saw chain 5.
  • each other Connected to each other are the outer members 24, 26 and the center members 25 of the saw chain 5 via chain pins 41, each with two bolt heads 42.
  • the bolt heads 42 are arranged in the recessed faces 33, 34 on the outer members 24, 26 and also with respect to the superior faces 31, 32 of the outer members 24, 26 reset.
  • the cutting teeth 35, 36 and the preparation of the flats 44, 45 After fabricating the cutting teeth 35, 36 and the preparation of the flats 44, 45, the consisting of iron sheet parts of the chain link blanks were reduced by grinding material in its thickness. For this purpose, a roll grinder was used. Finally, the holes 46 were then created.
  • the illustrated outer members 24, 26 with the superior faces 31, 32 resulted in the existing tool steel parts and the recessed faces 33, 34 at the made of sheet iron parts of the outer members 24, 26. Between the superior partial surfaces 31, 32 and the recessed surfaces 33, 34 extend as transitional surfaces each inclined surfaces.
  • Blanks for the center members 25 were punched out of tool steel sheets each having a first engagement surface 47 and a second engagement surface 48.
  • the center members 25 are driven by a sprocket via the first engagement surfaces 47, which in turn is drive-connected to the electric motor 6 of the parting tool 1 according to FIG.
  • the center links 25 set a guide sprocket in motion at the free end of the guide rail 4, also shown in FIG.
  • the first engagement surfaces 47 and the second engagement surfaces 48 of the center links 25 each extend symmetrically with respect to a perpendicular bisector to the distance between the two bores 46 of the individual center links 25.
  • FIG. 3 Also shown in FIG. 3 are the cutting edges 40 of the center members 25 on the cutting chain 5 against the cutting edges 37, 38 of the outer members 24, 26 slightly outward. Also, the vertical projections of the cutting edges 40 on the center members 25 are arranged along an outwardly curved arc line.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (5)

  1. Chaîne de sciage pour un outil à couper des panneaux sandwich (2), pourvue de trois rangées, disposées côte à côte transversalement à la direction de déplacement (23) de la chaîne de sciage (5), d'éléments de chaîne disposés les uns derrière les autres dans la direction de déplacement (23) de la chaîne de sciage (5) comprenant des dents coupantes (35, 36, 39), dans laquelle
    - les éléments de chaîne des deux rangées disposées à l'extérieur forment des éléments extérieurs (24, 26), et les éléments de chaîne de la rangée disposée entre celles-ci forment des éléments intermédiaires (25),
    - les éléments extérieurs disposés côte à côte (24, 26) s'alignent ensemble et les éléments intermédiaires (25) sont agencés de manière décalée par rapport aux éléments extérieurs (24, 26) dans la direction de déplacement (23) de la chaîne de sciage (5), et chevauchent les éléments extérieurs disposés (24, 26) les uns derrière les autres dans la direction de déplacement (23) de la chaîne de sciage (5),
    - les éléments extérieurs (24, 26) forment des surfaces latérales de la chaîne de sciage (5), qui sont disposées les unes en face des autres de manière espacée et sont orientées, en fonctionnement, vers les surfaces de coupe établies et
    - les dents coupantes (35, 36, 39) entre les surfaces latérales de la chaîne de sciage (5) comprennent des arêtes de coupe (37, 38, 40) s'étendant transversalement à la direction de déplacement (23) de ladite chaîne, les dents coupantes (35, 36) des éléments extérieurs (24, 26) étant disposées avec une face de dent dans une surface latérale de la chaîne de sciage (5),
    caractérisée en ce que
    les surfaces latérales de la chaîne de sciage (5) sont échelonnées en échelonnant les surfaces (27, 28) des éléments extérieurs (24, 26) de la chaîne de sciage (5) orientées, en fonctionnement, vers les surfaces de coupe établies,
    - une projection (29, 30), s'étendant à la manière d'une bande dans la direction de déplacement (23) de la chaîne de sciage (5), étant respectivement formée aux éléments extérieurs (24, 26) de la chaîne de sciage (5) et les projections du type bande (29, 30) des éléments extérieurs (24, 26) formant respectivement une surface partielle (31, 32) mise en avant en direction de la surface de coupe associée en fonctionnement, par rapport à laquelle une surface partielle mise en arrière (33, 34) est mise en arrière,
    - les faces de dent des dents coupantes (35, 36) de l'élément extérieur (24, 26) respectif se situant dans la surface partielle mise en avant (31, 32) et
    - les surfaces partielles mises en avant (31, 32) des projections de type bande (29, 30) s'alignant ensemble au niveau d'une et même surface latérale de la chaîne de sciage (5) dans la direction de déplacement (23) de la chaîne de sciage (5).
  2. Chaîne de sciage selon la revendication 1, caractérisée en ce qu'au moins un des éléments de chaîne (24, 26) formant une partie d'au moins une des surfaces latérales de la chaîne de sciage (5) est formé en tant qu'élément composite, comprenant au moins une partie, qui est pourvue de dents coupantes (35, 36) et forme au moins une surface partielle mise en avant (31, 32), tout comme au moins une autre partie, laquelle forme au moins une surface partielle mise en arrière (33, 34).
  3. Chaîne de sciage selon la revendication 2, caractérisée en ce que la ou les parties de l'élément ou des éléments de chaîne (24, 26) formés en tant qu'éléments composites, pourvues de dents coupantes (35, 36) et formant au moins une surface partielle mise en avant (31, 32), est (sont) fabriquée(s) à partir d'un matériau d'une dureté relativement élevée et la ou les autres parties à partir d'un matériau d'une dureté moins élevée.
  4. Chaîne de sciage selon l'une quelconque des revendications précédentes, les éléments de chaîne (24, 25, 26) étant reliés entre eux à l'aide de tourillons de chaînes (41) dotés de têtes de boulons (42), caractérisée en ce que les têtes de boulons (42) des tourillons de chaîne (41) sont agencées dans la zone de surfaces partielles mises en arrière (33, 34) et s'alignent sur les surfaces partielles mises en avant (31, 32) ou sont mises en arrière par rapport à celles-ci.
  5. Chaîne de sciage selon l'une quelconque des revendications précédentes, caractérisée en ce que les têtes de boulons (42) des tourillons de chaîne (41) sont à surface plane au niveau de leur face inférieure et prennent appui sur la surface partielle mise en arrière (33, 34) respectivement associée, également plane, dans la direction axiale des tourillons de chaîne (41).
EP00118361A 1999-09-09 2000-08-24 Chaîne de sciage pour outil à couper des panneaux sandwich Expired - Lifetime EP1083031B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29915852U DE29915852U1 (de) 1999-09-09 1999-09-09 Sägekette für ein Werkzeug zum Trennen von Sandwichplatten
DE29915852U 1999-09-09

Publications (3)

Publication Number Publication Date
EP1083031A2 EP1083031A2 (fr) 2001-03-14
EP1083031A3 EP1083031A3 (fr) 2004-02-11
EP1083031B1 true EP1083031B1 (fr) 2006-06-07

Family

ID=8078670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00118361A Expired - Lifetime EP1083031B1 (fr) 1999-09-09 2000-08-24 Chaîne de sciage pour outil à couper des panneaux sandwich

Country Status (3)

Country Link
EP (1) EP1083031B1 (fr)
AT (1) ATE328710T1 (fr)
DE (2) DE29915852U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020239925A1 (fr) 2019-05-28 2020-12-03 Voestalpine Precision Strip Gmbh Organe de coupe pour une chaîne à scier et procédé pour sa fabrication

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005039A1 (de) * 2011-03-03 2012-09-06 Robert Bosch Gmbh Werkzeugmaschinensystem
AT515667B1 (de) * 2014-05-26 2015-11-15 Prinz Gmbh & Co Kg Sägekette und Verfahren zur Herstellung eines Verbindungsgliedes für eine Sägekette
DE202019103024U1 (de) 2019-05-28 2019-07-04 Voestalpine Precision Strip Gmbh Schneidglied für eine Sägekette

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1392503A (en) * 1919-07-08 1921-10-04 Thaddeus A Jackson Endless saw
US1634644A (en) * 1924-02-07 1927-07-05 Samuel J Bens Link for chains or belts
CH370692A (de) * 1956-09-11 1963-07-15 Stihl Andreas Trennkette an Motorkettensäge zum Trennen und Einstechen im harten Gestein
DE1148481B (de) * 1957-10-05 1963-05-09 Andreas Stihl Saegekette fuer Motorkettensaegen
US4203215A (en) * 1977-07-08 1980-05-20 Hideaki Taniguchi Endless chain for a chain saw
US4887357A (en) * 1986-11-24 1989-12-19 Pro Power Corporation Articulated endless-band saw blade and support therefor
JPS63137801A (ja) 1986-11-24 1988-06-09 プロ　パワー　コーポレーション ノコギリ刃装置
DE9102288U1 (de) 1991-02-27 1991-05-16 Mafell Maschinenfabrik Rudolf Mey GmbH & Co KG, 7238 Oberndorf Kettensäge
DE4237781C2 (de) 1992-11-09 1995-08-10 Elektromechanik Aach Gmbh Sägekette für Kettensägen
DE29815228U1 (de) 1998-08-25 1998-11-12 Trumpf GmbH + Co., 71254 Ditzingen Trennvorrichtung zum Bearbeiten von Sandwichplatten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020239925A1 (fr) 2019-05-28 2020-12-03 Voestalpine Precision Strip Gmbh Organe de coupe pour une chaîne à scier et procédé pour sa fabrication

Also Published As

Publication number Publication date
EP1083031A2 (fr) 2001-03-14
DE50012897D1 (de) 2006-07-20
DE29915852U1 (de) 1999-12-23
EP1083031A3 (fr) 2004-02-11
ATE328710T1 (de) 2006-06-15

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