WO2013113523A1 - Lame de scie - Google Patents

Lame de scie Download PDF

Info

Publication number
WO2013113523A1
WO2013113523A1 PCT/EP2013/050031 EP2013050031W WO2013113523A1 WO 2013113523 A1 WO2013113523 A1 WO 2013113523A1 EP 2013050031 W EP2013050031 W EP 2013050031W WO 2013113523 A1 WO2013113523 A1 WO 2013113523A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutting tool
tool according
abtrags
support member
removal
Prior art date
Application number
PCT/EP2013/050031
Other languages
German (de)
English (en)
Inventor
Milan Bozic
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2013113523A1 publication Critical patent/WO2013113523A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/006—Oscillating saw blades

Definitions

  • the invention relates to a removal or cutting tool, in particular for a machine tool with a rotary oscillation drive of the removal or cutting tool, preferably a rotary oscillating saw blade according to the preamble of claim 1.
  • a dive saw blade for a machine tool which performs an oscillating rotational movement during operation.
  • the immersion saw blade consists of a rectangular master blade, one side of which has a cutting edge with cutting teeth, and a support part connected to the master blade for connection to the machine tool and for driving via the tool shaft.
  • the support member has a central recess for receiving the driving tool shaft and about the central recess annularly grouped, triangular form-fitting elements, which are spaced apart in the circumferential direction and define an intermediate, extending in the radial direction groove.
  • This embodiment of the mounting part makes it possible to attach the diving saw blade to different mounting geometries of machine tools.
  • the triangular form-fitting elements are arranged on a side surface of the holding part and increase the thickness of the holding part.
  • the mounting geometry on the tool shaft must be designed to receive the positive locking elements and have complementary shaped recesses with a corresponding depth for receiving the positive locking elements.
  • the invention is based on the object with simple constructive measures an ablation or cutting tool in such a way that a connection with different drive geometries on the machine tool is possible.
  • the invention relates to removal or cutting tools which are used in machine tools, in particular in hand tool machines and driven by a tool shaft of the machine tool. Both rotational movements of the removal or cutting tools in only one direction as well as rotary oscillation movements come into consideration.
  • the removal or cutting tools have a master blade with a working edge, which is preferably provided as a cutting edge with, for example. Cutting teeth, and a support member, via which the connection to the machine tool.
  • the machine tool is usually provided for this purpose with a mounting flange at the free end of the tool shaft, wherein in the mounting part a recess is introduced, protrudes through the tool shaft in the attached state.
  • the recess in the support member is surrounded by a mounting surface on which normally positive fit geometries are arranged, which cooperate with corresponding form fit geometries on the mounting flange of the tool shaft, so that in the circumferential direction a positive connection between the support member of the removal or cutting tool and the machine tool is given.
  • various form fit geometries on the support member into consideration, for example, form-fitting recesses form-fitting elements, protrude into the corresponding knobs or protrusions on the machine tool, or vice versa positive locking surveys on the support member, which recesses are assigned to the machine tool.
  • the deckle has one
  • the removal or cutting tool can be designed as a submerged saw blade with a trapezoidal or at least approximately rectangular base sheet, wherein an outer edge of the master sheet forms a rectilinear or slightly curved working edge.
  • the working edge is preferably designed as a sawing, scraping, separating and / or grinding edge, in particular, the working edge may also be formed partially or in sections as sawing, scraping, cutting and / or grinding edge. Also suitable are removal or cutting tools with a circular or circular segment-shaped master blade whose peripheral edge forms the working edge.
  • At least two attachment surfaces are provided for fastening the removal or cutting tool to the machine tool.
  • the mounting surfaces are alternatively used to allow connection with different connection geometries on the machine tool.
  • the attachment surfaces are offset from one another and lie in different, mutually spaced and parallel planes. This ensures that, even in the case of, for example, an annular design, the at least two attachment surfaces, which run around the central shaft recess in the mounting part, can be provided with mutual locking in each case with mutual locking in order to provide a positive connection in the direction of rotation to the machine tool enable. In this way, it is possible to provide additional connection options for differently designed connection geometries with little effort.
  • Another advantage of this embodiment is that the axial extent - seen in the direction of the axis through the shaft recess or in the mounted state in the direction of the tool shaft axis - of the support member is not or at least not significantly increased even in the case of two or more mounting surfaces , It is sufficient in principle that the attachment surfaces are only in slightly spaced different planes.
  • At least one fastening surface is arranged at a distance from both outer sides of the mounting part.
  • This can be achieved, for example, by an embossing process with which the fastening surface is embossed into the holding part, where is achieved by at this point a distance to the outside of the support member.
  • the embossing process can be carried out so that no curvature or elevation arises on the opposite side, so that all attachment surfaces lie within the two outer sides of the support member, wherein one or both outer sides can also each form a mounting surface.
  • a fastening surface coincides with the outer side and a second fastening surface is arranged at a distance from the two planes, which are formed by the outer sides of the mounting part.
  • the attachment surfaces may each be annular, wherein the axis forms the center through the shaft recess and the attachment surfaces are arranged concentrically with each other.
  • the outermost ring forms a mounting surface in height of the outside of the support member, whereas the further radially inner mounting ring is axially spaced from both outer sides.
  • the radially outer ring may extend to the central recess, so that the inner ring and the outer ring overlap radially.
  • a plurality of attachment surfaces may be provided in different planes within the outer sides, wherein the one or more mounting surfaces by impressing, by machining or in other
  • connection possibilities to different connection geometries on machine tools increases.
  • different positive locking geometries can be used for the different attachment surfaces.
  • one or more positive locking elements in the form of positive engagement recesses or increases can be provided for the radially outer mounting surface.
  • the interlocking geometry of the radially further inward mounting surface can be formed by its outer boundary edge, which the
  • the boundary edge here is preferably non-rotationally symmetrical, in particular in the form of a polygon, for example in the form of a hexagon or twelve-edged. In general, various polygonal boundary edges come into consideration.
  • the radially further inward mounting surface may be provided with form-fitting elements in the form of recesses or elevations.
  • interlocking elements in the form of recesses both into the radially further outward fastening surface and into the radially inner fastening surface and to connect these interlocking recesses with one another.
  • the support member is designed as a bent by at least approximately 180 ° component.
  • the different attachment surfaces in different planes can be achieved by introducing an impression, punching or the like in one of the sections of the bent-over support part lying in parallel, so that a depression is achieved which lies at a distance from the outside and forms the additional attachment surface.
  • Another attachment surface is provided on one of the outer sides of the support member. In principle, however, other attachment surfaces on the opposite outer side and / or by punched, impressed or the like on the second arm of the bent support member into consideration.
  • attachment surfaces are advantageously formed integrally with the support member of the removal or cutting tool.
  • attachment surfaces may also be expedient to arrange the attachment surfaces on an adapter part, which can be connected to the removal or cutting tool. This embodiment has the advantage that conventional saw blades can be used and connected via the adapter part with different connection geometries on the machine tool.
  • FIG. 1 is a plan view of a submerged saw blade, which has a rectangular master blade with a cutting edge and a support member which is provided with a central shaft recess, are arranged around the two concentric annular mounting surfaces which lie in different planes,
  • FIG. 2 is a perspective view of the support member of FIG. 1,
  • Fig. 4 is a perspective view of a circular segment Abtrags- or
  • Separating tool having a central, inner support part, which has, similar to the first embodiment concentric, annular attachment surfaces of different levels,
  • FIG. 5 is a plan view of the saw blade of FIG. 4,
  • FIG. 6 shows a detail of a section through a mounting part of a saw blade with mounting surfaces in different planes, which are produced by punching or stamping on the same side of the support member,
  • FIG. 7 shows a further embodiment with offset to the outside inward mounting surfaces on opposite sides
  • 8 shows an embodiment in which an inwardly offset mounting surface is produced by impressing, wherein on the opposite side of a corresponding increase is formed
  • FIG. 9 shows a holding part, consisting of two superimposed components, wherein a component has a punched-out for generating an inwardly offset mounting surface
  • a support member consisting of a bent component with a space between the arms of the support member
  • Fig. 1 a support member consisting of a bent component, wherein the arms of the support member lie directly on one another.
  • a first embodiment in which the removal or cutting tool 1 is designed as a submerged saw blade, which has a rectangular master blade 2 with a cutting edge formed as a working edge 3 with saw teeth and a support member 4, which with the Master sheet 2 is connected.
  • the working edge 3 may alternatively or additionally be formed at least partially as a sawing, scraping, separating and / or grinding edge.
  • Fig. 2 it can be seen that the support member 4 is executed cranked relative to the master sheet 2, so that the plane of the master blade 2 and the plane of the support member 4 are offset parallel to each other.
  • the working edge 3 with the cutting teeth is located on the side facing away from the support member 4 on the master sheet second
  • the support member 4 is used to attach the removal or cutting tool 1 to a machine tool and has for this purpose a connection geometry 5, which includes a shaft recess 6 for receiving the tool shaft in the mounted state.
  • the shaft recess 6 is designed as a peripheral partially open recess.
  • the connection geometry 5 in the holder part 4 furthermore comprises a first attachment surface 7 and a second attachment surface 8, wherein the first attachment surface 7 coincides with the lower outer side of the attachment part 4 and the second attachment surface 8 is displaced axially inwards relative to both outer sides of the holding part 4, as can be seen in particular from FIG. 3.
  • the second attachment surface 8 thus lies within the two outer sides of the support member 4.
  • the attachment surfaces 7, 8 are aligned substantially parallel to each other. However, it may also be advantageous if the attachment surfaces 7, 8 are not aligned parallel to each other.
  • the two attachment surfaces 7 and 8 are arranged concentrically to one another and surround the central shaft recess 6 in an annular manner.
  • the attachment surface 7 located on the lower outer side extends radially further outward than the second attachment surface 8 arranged axially offset radially further inwards.
  • the first attachment surface 7 formed on the outside extends radially as well as the second attachment surface 8 inwardly up to the central shaft recess 6, so that there is a radially overlapping region between the attachment surfaces 7 and 8 There are, however, axially offset from each other.
  • the first, radially further outwardly extending mounting surface 7 is assigned as positive locking geometry, a plurality of form-fitting recesses 9, which are elongated and extend in the radial direction. Distributed over the circumference a plurality of such form-fitting recesses 9 are arranged at a concentric distance from the shaft recess 6. For attachment to the tool shaft, elevations arranged on a fastening flange of the tool shaft protrude into the form-fitting recesses 9.
  • the second, radially inwardly offset mounting surface 8 is associated with a form fit geometry, which is designed as a non-rotationally symmetrical edge boundary 10 in the transition between the inner and outer mounting surface 8, 7.
  • the non-rotationally symmetrical boundary 10 is formed as a polygon, for example as a twelve-edged.
  • the edge boundary 10 is located in the radially outer region of the inner mounting surface 8.
  • In the inner mounting surface 8 are also FormQueryauslangruc
  • the support member 4 has a thickness h.
  • the thickness h is preferably less than or equal to 1 .5 mm, in particular less than or equal to 1.45 mm, ideally less than or equal to 1 .25 mm, thereby recording the ablation or cutting tool 1 according to the invention on a possible large number of different available on the market machine tool a rotary oscillation drive for the removal or cutting tool is ensured.
  • the fastening surface 8 is set back by a depth h 2 relative to the outside of the mounting part 4 opposite the mounting surface 7 - for example by removal and / or deformation machining - or inserted into the mounting part 4.
  • the mounting surface 8 is thus offset by a height h1 relative to the mounting surface 7 to this.
  • the height h1 is in the range between 20% and 80% of the thickness h, in particular approximately 50% of the thickness h of the holding part 4.
  • FIGS. 4 and 5 show a further exemplary embodiment with a circular segment-shaped removal or cutting tool which carries out a rotary oscillation movement during operation.
  • the removal or cutting tool 1 has a circular segment-shaped master blade 2, the peripheral edge of which forms the working edge 3.
  • the working edge 3 is preferably formed as a sawing, scraping, separating and / or grinding edge.
  • a support member 4 is arranged, which is provided with a connection geometry 5, which comprises a central shaft recess 6 for receiving a tool shaft and two lying in different planes mounting surfaces 7 and 8.
  • the attachment surfaces 7 and 8 are each annular and concentric with one another or superimposed.
  • the lvesppend arranged with the shaft recess 6 as the center, wherein the mounting surfaces 7 and 8 lie in different, mutually parallel planes.
  • the radially outer mounting surface 7 coincides with the outer side of the support member 4, the staggered radially inner mounting surface 8, however, is spaced from both outer sides of the support member 4.
  • Form gleichausappelisme 9 and in the second mounting surface 8 Form gleichausappelisme 1 1 introduced.
  • the transition region between the inner fastening surface 8 to the outer fastening surface 7 forms a non-rotationally symmetrical edge boundary, which is preferably designed as a polygon.
  • the radially inwardly offset mounting surface 8 by ablation (eg, milling, erode, etc.), embossing, punching or the like offset parallel to both outer sides of the support member.
  • two different fastening surfaces 8 and 12 lying in different planes are introduced into the holding part 4 at a distance from both outer sides of the holding part 4.
  • an additional mounting surface 12 is given with additional connection options.
  • An outer side of the mounting part 4 also forms a fastening surface 7, as well as in the following exemplary embodiments.
  • the mounting surface 12 is introduced by the depth h2 relative to the mounting surface 7 in the support member.
  • the depth h2 as in the previously described embodiment of FIG. 3, in the range between 20% and 80% of the thickness h, in particular at about 50% of the thickness h of the support member 4.
  • the mounting surface 8, wel - Che between the mounting surfaces 7 and 12 is arranged, is preferably again introduced by the distance h21 relative to the mounting surface 12 and the depth h22 relative to the mounting surface 7 in the support member 4.
  • the distance h21 applies
  • two attachment surfaces 8 and 12 which are offset from the outer sides but arranged on opposite sides, are introduced into the holding part 4, which are each at a distance from the adjacent outer side.
  • the relationships between the distances of the fastening surfaces 7, 8 and 12 to one another, which are already known from FIG. 6, apply here as well, to which reference is made at this point.
  • the holding part has a thickness h, which is preferably less than or equal to 1 .5 mm, in particular less than or equal to 1.45 mm, ideally less than or equal to 1 .25 mm.
  • the machining surface 8 which is offset with respect to the outside 7, is produced by impressing, whereby a hump or an elevation 13 is formed on the opposite outside.
  • the mounting part 4 consists of two individual, superimposed, parallel components 4a, 4b, which are joined together, wherein in the component 4b a punched is introduced, whereby the mounting surface 8 on the underside of the overlying first component 4a is formed.
  • the fastening part 4 is formed by a component bent over by 180 ° with arms 4a and 4b.
  • the arm 4b a punching is introduced, whereby the underside of the overlying arm 4a forms the mounting surface 8.
  • the two arms 4a and 4b are at a distance from each other, so that a space between the arms is formed. det, whereas according to FIG. 11 the two arms 4a and 4b lie directly against each other.
  • the holding part has a thickness h, which is preferably less than or equal to 1 .5 mm, in particular less than or equal to 1 .45 mm, ideally less than or equal to 1 .25 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

L'invention concerne une lame de scie (1) comprenant un corps de lame (2) doté d'une arête de travail (3) et un élément de maintien (4) servant à son raccordement à un arbre d'outil d'une machine-outil. L'élément de maintien (4) est muni d'une première et d'une deuxième surface de fixation (7, 8) servant à la fixation sur la machine-outil, et les surfaces de fixation (7, 8) se trouvent dans des plans différents.
PCT/EP2013/050031 2012-02-03 2013-01-03 Lame de scie WO2013113523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210201624 DE102012201624A1 (de) 2012-02-03 2012-02-03 Sägeblatt
DE102012201624.4 2012-02-03

Publications (1)

Publication Number Publication Date
WO2013113523A1 true WO2013113523A1 (fr) 2013-08-08

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Family Applications (1)

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PCT/EP2013/050031 WO2013113523A1 (fr) 2012-02-03 2013-01-03 Lame de scie

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DE (1) DE102012201624A1 (fr)
WO (1) WO2013113523A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106041207A (zh) * 2016-08-22 2016-10-26 常州盟拓工具科技有限公司 锯片
WO2018036830A1 (fr) * 2016-08-22 2018-03-01 Robert Bosch Gmbh Dispositif outil pour une machine-outil portative
CN114222648A (zh) * 2019-08-16 2022-03-22 罗伯特·博世有限公司 加工工具、尤其是振荡加工工具
RU2784913C1 (ru) * 2016-08-22 2022-11-30 Роберт Бош Гмбх Рабочий инструмент для ручной машины
US11919100B2 (en) 2020-02-25 2024-03-05 The Black & Decker Corporation Accessories for oscillating power tools

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9073195B2 (en) 2010-04-29 2015-07-07 Black & Decker Inc. Universal accessory for oscillating power tool
US8925931B2 (en) 2010-04-29 2015-01-06 Black & Decker Inc. Oscillating tool
USD832666S1 (en) 2012-07-16 2018-11-06 Black & Decker Inc. Oscillating saw blade
EP3258859B1 (fr) 2015-02-19 2019-06-05 Stryker Corporation Scie et lame de scie chirurgique avec des dents de blockage deformable en montage
USD814900S1 (en) 2017-01-16 2018-04-10 Black & Decker Inc. Blade for oscillating power tools
US10265778B2 (en) 2017-01-16 2019-04-23 Black & Decker Inc. Accessories for oscillating power tools
USD931069S1 (en) 2019-05-03 2021-09-21 Tti (Macao Commercial Offshore) Limited Blade
DE112020000057T5 (de) * 2020-03-24 2022-06-02 Yangzhou Shengye Machinery Co., Ltd. Multifunktionales Schnellmontageloch für Schwenkwerkzeug
WO2022108785A1 (fr) 2020-11-18 2022-05-27 Milwaukee Electric Tool Corporation Accessoire pour un outil électrique oscillant

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US2614441A (en) * 1947-04-04 1952-10-21 Goddard & Goddard Company Cutter and method of forming the same
US4386609A (en) * 1979-12-17 1983-06-07 Minnesota Mining And Manufacturing Company Attaching assembly for an osteotomy saw blade
US5554165A (en) * 1995-02-09 1996-09-10 Hall Surgical, Div. Of Zimmer, Inc. Surgical blade and hub
US5676680A (en) * 1995-10-18 1997-10-14 Linvatec Corporation Wrenchless and adapterless collet system for surgical blades
EP1090705A2 (fr) * 1999-10-04 2001-04-11 Peter Baumgärtner Mandrin pour outil, notamment pour scie ou machines à fraiser
EP1882538A2 (fr) * 2006-07-28 2008-01-30 DePuy Products, Inc. Adaptateurs pour scie et forêt à os orthopédique
CN201907110U (zh) 2010-06-25 2011-07-27 南京德朔实业有限公司 能与多种轴端适配的工作元件
DE202011050511U1 (de) * 2010-06-25 2011-11-09 Chervon (Hk) Ltd. Arbeitsbauteil zum Ankuppeln an vielfältige Wellenenden
CN102294684A (zh) * 2010-06-25 2011-12-28 南京德朔实业有限公司 能与多种轴端适配的工作元件

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614441A (en) * 1947-04-04 1952-10-21 Goddard & Goddard Company Cutter and method of forming the same
US4386609A (en) * 1979-12-17 1983-06-07 Minnesota Mining And Manufacturing Company Attaching assembly for an osteotomy saw blade
US5554165A (en) * 1995-02-09 1996-09-10 Hall Surgical, Div. Of Zimmer, Inc. Surgical blade and hub
US5676680A (en) * 1995-10-18 1997-10-14 Linvatec Corporation Wrenchless and adapterless collet system for surgical blades
EP1090705A2 (fr) * 1999-10-04 2001-04-11 Peter Baumgärtner Mandrin pour outil, notamment pour scie ou machines à fraiser
EP1882538A2 (fr) * 2006-07-28 2008-01-30 DePuy Products, Inc. Adaptateurs pour scie et forêt à os orthopédique
CN201907110U (zh) 2010-06-25 2011-07-27 南京德朔实业有限公司 能与多种轴端适配的工作元件
DE202011050511U1 (de) * 2010-06-25 2011-11-09 Chervon (Hk) Ltd. Arbeitsbauteil zum Ankuppeln an vielfältige Wellenenden
CN102294684A (zh) * 2010-06-25 2011-12-28 南京德朔实业有限公司 能与多种轴端适配的工作元件

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106041207A (zh) * 2016-08-22 2016-10-26 常州盟拓工具科技有限公司 锯片
WO2018036830A1 (fr) * 2016-08-22 2018-03-01 Robert Bosch Gmbh Dispositif outil pour une machine-outil portative
CN109641363A (zh) * 2016-08-22 2019-04-16 罗伯特·博世有限公司 用于手持式工具机的工具装置
US11052564B2 (en) 2016-08-22 2021-07-06 Robert Bosch Gmbh Tool device for a hand-held power tool
RU2755502C2 (ru) * 2016-08-22 2021-09-16 Роберт Бош Гмбх Рабочий инструмент для ручной машины
RU2784913C1 (ru) * 2016-08-22 2022-11-30 Роберт Бош Гмбх Рабочий инструмент для ручной машины
EP4186664A1 (fr) * 2016-08-22 2023-05-31 Robert Bosch GmbH Dispositif d'outil pour une machine-outil portative
US11969911B2 (en) 2016-08-22 2024-04-30 Robert Bosch Gmbh Tool device for a hand-held power tool
CN114222648A (zh) * 2019-08-16 2022-03-22 罗伯特·博世有限公司 加工工具、尤其是振荡加工工具
US11919100B2 (en) 2020-02-25 2024-03-05 The Black & Decker Corporation Accessories for oscillating power tools

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