EP2681022B1 - Machine-outil avec dispositif de séparation - Google Patents

Machine-outil avec dispositif de séparation Download PDF

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Publication number
EP2681022B1
EP2681022B1 EP12720407.1A EP12720407A EP2681022B1 EP 2681022 B1 EP2681022 B1 EP 2681022B1 EP 12720407 A EP12720407 A EP 12720407A EP 2681022 B1 EP2681022 B1 EP 2681022B1
Authority
EP
European Patent Office
Prior art keywords
elements
cutter carrier
cutting
transverse
cutting strand
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.)
Not-in-force
Application number
EP12720407.1A
Other languages
German (de)
English (en)
Other versions
EP2681022A1 (fr
Inventor
Rudolf Fuchs
Petr Grulich
Uwe Engelfried
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.)
Robert Bosch GmbH
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 EP2681022A1 publication Critical patent/EP2681022A1/fr
Application granted granted Critical
Publication of EP2681022B1 publication Critical patent/EP2681022B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B27B33/148—Saw chains with means permitting replacement of cutter elements
    • 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
    • B27B17/02—Chain saws equipped with guide bar
    • 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
    • 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
    • B27B33/147—Saw chains with incorporated lubricating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/909—Cutter assemblage or cutter element therefor [e.g., chain saw chain]
    • Y10T83/913—With means permitting removal of cutter element

Definitions

  • Machine tool separating devices in particular handheld power tool cutting devices, are already known which have a cutting strand which comprises at least two cutter carrier elements connected to one another.
  • the invention is based on a power-tool parting device according to the preamble of patent claim 1, in particular of a hand-held power tool cutting device, with at least one cutting strand comprising at least two cutter support elements connected to one another.
  • a machine tool separating device for example, from the US 2774395 A out.
  • the invention provides a power-tool parting device according to claim 1.
  • the at least two cutter support elements are connected to each other by means of at least one connecting element of the cutting strand, which terminates at least substantially flush with at least one outer surface of one of the at least two cutter support elements.
  • a "cutting strand” is to be understood here as meaning, in particular, a unit which is intended to locally neutralize an atomic cohesion of a workpiece to be machined, in particular by means of a mechanical severing and / or by means of a mechanical removal of material particles of the workpiece.
  • the cutting strand is intended to separate the workpiece into at least two physically separate parts and / or at least partially separate material particles of the workpiece, starting from a surface of the workpiece and / or remove.
  • the cutting strand is circumferentially moved in at least one operating state, in particular along a circumferential direction of a guide unit of the power-tool parting device.
  • a "cutter support element” is to be understood here in particular as an element on which at least one cutting element is arranged for separating and / or removing material particles of a workpiece to be machined.
  • the term “connecting element” is intended here to define in particular an element which is intended to connect at least two components in a form-fitting manner, in particular to connect with one another in a movable manner, in order to transmit a drive force and / or a drive torque. In this context, "intended” should be understood to mean in particular specially designed and / or specially equipped.
  • the connecting element in an assembled state, the connecting element being viewed along a longitudinal axis of the connecting element and being formed integrally with one of the cutter carrier elements Considering connecting element along a transverse axis of the connecting element, within the at least one connecting element receiving the connecting recess extends and extends maximally to an outer surface of the cutter support member having the connecting recess.
  • the connecting element extends in a mounted state, in particular in a separately formed from the cutter support elements connecting element, at most from an outer surface of the cutter support elements to a further outer surfaces of the cutter support elements.
  • the connecting element is formed at least partially in one piece with at least one of the at least two cutter carrier elements.
  • one-piece should be understood here in particular at least materially connected, for example, by a welding process, an adhesive process, Anspritzrind and / or another, a person skilled in the appear reasonable process, and / or advantageously understood in one piece, such as by a production from a casting and / or by a production in a one- or multi-component injection molding process and advantageously from a single blank.
  • the cutter carrier elements particularly preferably each have a connecting element and a connecting recess for receiving a connecting element of a further cutter carrier element which can be connected to the respective cutter carrier element.
  • the connecting element is designed as a component formed separately from the cutter support elements.
  • the cutter support elements preferably each have two connecting recesses, in each of which a connecting element can be inserted.
  • the connecting element is designed as a longitudinal extension of at least one of the at least two cutter carrier elements.
  • each cutter support element of the cutting strand has at least one connecting element formed as a longitudinal extension and a connecting recess corresponding to the connecting element.
  • a "longitudinal extension” is to be understood here as an element formed in one piece with the cutter support element, which extends at least substantially along a longitudinal extent of the cutter carrier element and which is intended to establish a connection in a state connected to another cutter carrier element.
  • a movable connection is realized by means of an interaction of the longitudinal extension of the cutter support element and the connecting recess of the further cutter carrier element correspondingly designed with the longitudinal extension, in particular a pivotable connection of the cutter carrier elements relative to each other.
  • the longitudinal extent of the cutter carrier element runs at least substantially parallel to a main movement direction of the cutter carrier element, along which the cutter carrier element is moved to effect a cut, etc., by means of a cutting element arranged on the cutter carrier element.
  • substantially parallel is to be understood here as meaning, in particular, an alignment of a direction relative to a reference direction, in particular in a plane, wherein the direction relative to the reference direction is a deviation, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • Embodiment can be advantageously realized an easy-to-install connection between the cutter support elements.
  • the longitudinal extension is hook-shaped.
  • hook-shaped is to be understood here in particular as meaning a geometric configuration of the longitudinal extension which, viewed along the longitudinal extent of the cutter carrier element, enables the engaging of an edge region of the connecting recess by means of the longitudinal extension in an interconnected state of the cutter carrier elements.
  • the longitudinal extension viewed in the cutting plane of the cutting strand, in particular deviating from a rod-shaped extension formed on which a circular positive locking element is formed and / or in particular deviating from a semicircular extension. It can be structurally simple transmission of driving forces, in particular tensile forces, allows.
  • the connecting element is designed as a bolt.
  • the bolt is cylindrical.
  • the bolt is rotationally symmetrical about at least one axis.
  • the connecting element formed as a bolt is formed integrally with the cutter support element.
  • At least one of the at least two cutter carrier elements has at least one transverse securing element, which is provided to prevent transverse movement of the cutter carrier elements in a coupled state of the cutter carrier elements relative to one another, at least as far as possible.
  • each cutter support element of the power-tool parting device has at least two transverse securing elements.
  • the at least two transverse securing elements are provided to prevent a relative transverse movement of the interconnected cutter support elements in two mutually oppositely directed directions, at least for the most part.
  • one of the at least two transverse securing elements is preferably provided in each case at least as far as possible along a transverse movement running along one of the oppositely directed directions to prevent.
  • the at least two transverse securing elements are preferably offset relative to each other, in particular angularly offset, arranged on the cutter carrier element.
  • the expression "to prevent a transverse movement of the cutter support elements in a coupled state relative to each other at least as much as possible” should in particular define a limitation of movement of the cutting carrier elements connected to each other by means of connecting elements relative to one another by means of the transverse securing element along a movement path extending at least substantially perpendicular to a longitudinal axis of the cutter carrier elements , The distance of movement of the cutter support elements relative to each other is limited in this case in particular by means of the transverse securing element to a value less than 5 mm, preferably less than 2 mm and particularly preferably less than 1 mm.
  • the transverse securing element is intended to at least largely avoid or limit a transverse movement by means of a positive connection.
  • the transverse securing element is integrally formed by means of an embossing process to the at least one of the at least two cutter support elements.
  • the transverse securing element is arranged on the cutter carrier element by means of another method which appears appropriate to a person skilled in the art, for example by means of a casting method, by means of a gluing method, by means of a soldering method, by means of a milling method, etc. by means of a molding of the transverse securing element an embossing method can advantageously be realized by means of a subsequent shaping of a production of the cutter carrier element. It can also be advantageously achieved a cost-effective molding of the transverse fuse element.
  • At least one of the at least two cutter support elements has at least one segment guide element which is provided at least along a movement of the at least one of the at least two cutter carrier elements in a state arranged in a guide unit in a direction away from the guide unit to limit a running at least substantially parallel to a cutting plane of the cutting strand direction.
  • each cutter support element of the cutting strand of the power-tool parting device has at least one segment removal element, which is provided for movement of the at least one of the at least two cutter support elements in a state arranged in a guide unit in a direction away from the guide unit, at least along at least one of Limit substantially parallel to a cutting plane of the cutting strand extending direction.
  • the power-tool parting device has at least one guide unit for receiving the cutting strand, which comprises at least one segment counter-guide element corresponding to the segment guide element.
  • the power-tool parting device has at least one guide unit for receiving the cutting strand, which comprises at least one segment counter-guide element corresponding to the segment guide element.
  • the machine tool separating device has at least one guide unit for receiving the cutting strand, in which the connecting element is at least partially guided.
  • a "guide unit” is to be understood here in particular as a unit which is provided to exert a constraining force on the cutting strand at least along a direction perpendicular to a cutting direction of the cutting strand, in order to predetermine a possibility of movement of the cutting strand along the cutting direction.
  • the guide unit has at least one guide element, in particular a guide groove, through which the cutting strand is guided.
  • the cutting strand viewed in a cutting plane, guided along an entire circumference of the guide unit by the guide unit by means of the guide element, in particular the guide groove.
  • cutting plane should in particular define a plane in which the cutting strand is moved in at least one operating state along a circumference of the guide unit in at least two mutually oppositely directed cutting directions relative to the guide unit.
  • the cutting plane is at a processing a workpiece at least substantially aligned transversely to a workpiece surface to be machined.
  • at least essentially transversal is to be understood here as meaning, in particular, an alignment of a plane and / or a direction relative to a further plane and / or a further direction, preferably a parallel orientation of the plane and / or the direction relative to the other Level and / or the other direction deviates.
  • the cutting plane is aligned during machining of a workpiece at least substantially parallel to a workpiece surface to be machined, in particular in an embodiment of the cutting strand as an abrasive, etc.
  • at least substantially parallel is intended in particular an orientation of one direction relative to a reference direction, in particular in a plane, to be understood, wherein the direction relative to the reference direction has a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
  • a "cutting direction” is to be understood here as meaning, in particular, a direction along which the cutting strand is used to produce a cutting gap and / or to separate and / or remove material particles of a workpiece to be machined in at least one operating state as a result of a drive force and / or a drive torque, especially in the guide unit, is moved.
  • the cutting strand is moved in an operating state along the cutting direction relative to the guide unit.
  • the cutting strand and the guide unit preferably together form a closed system.
  • the guide unit has a geometric shape which, viewed in the cutting plane, has a closed outer contour which comprises at least two mutually parallel straight lines and at least two respective mutually facing ends of the straight lines interconnecting connecting sections, in particular circular arcs
  • closed system is intended to define a system comprising at least two components which, by means of cooperation in a disassembled state of the system, retain functionality from a higher-level system, such as a machine tool, and / or which are undeliverable in the disassembled state connected to each other.
  • the at least two components of the closed system are at least substantially inseparably connected with each other for an operator.
  • At least substantially insoluble should be understood in particular a connection of at least two components, the only under the aid of separation tools, such as a saw, in particular a mechanical saw, etc., and / or chemical release agents, such as solvents, etc., are separable from each other.
  • separation tools such as a saw, in particular a mechanical saw, etc.
  • chemical release agents such as solvents, etc.
  • the power-tool parting device comprises at least one torque-transmitting element at least partially supported in the guide unit.
  • the torque transmitting element is at least partially surrounded along at least one direction by side walls of the guide unit.
  • the torque transmission element has a concentric coupling recess into which a pinion of a drive unit of a portable power tool and / or a gear and / or a toothed shaft of a gear unit of the portable power tool can engage in an assembled state.
  • the coupling recess is in this case preferably formed by a hexagon socket.
  • the coupling recess it is also conceivable for the coupling recess to have another configuration that appears appropriate to a person skilled in the art.
  • a closed system can be achieved in a structurally simple manner which can be conveniently mounted by an operator on a machine tool provided for this purpose. It may thus be advantageous to dispense with an individual assembly of components, such as the cutting strand, the guide unit and the torque transmission element, by the operator for the use of the power-tool parting device according to the invention.
  • At least one of the at least two cutter support elements advantageously has at least one recess on a side of the cutter carrier element facing the torque transmission element, into which the torque transmission element engages in at least one operating state for driving the cutting strand.
  • all cutter support elements of the cutting strand on the torque transmitting element facing sides of the cutter support elements at least one recess into which engages the torque transmitting element in at least one operating state for driving the cutting strand. It can structurally simple forces and / or torques are transmitted to drive the cutting strand to the cutter support element.
  • At least one of the at least two cutter carrier elements is formed on a side of the cutter carrier element facing at least partially in the guide unit torque transmitting element at least substantially circular arc.
  • the side of the at least one of the at least two cutter support elements facing the torque transmission element in an assembled state is considered in particular in at least one partial area, between a central axis of the connecting element arranged in and / or on the respective cutter carrier element and a center axis of a connecting recess of the respective cutter carrier element for receiving the connecting element, designed in a circular arc.
  • the arcuate portion is adjacent to the recess into which the torque transmitting element engages formed.
  • the circular-arc-shaped partial region has a radius which corresponds at least essentially to a radius of a deflection contour of the guide unit, in particular a deflection contour of a guide element of the guide unit arranged on a convex end.
  • the torque transmitting element in a mounted state facing side of the cutter support member, in particular the subregion is concave. It may be advantageous to achieve a deflection of the cutter support element in an operation of the power tool separating device. Furthermore, advantageously, a small deflection radius can be realized during a deflection of the cutter support element.
  • the connecting element has a porous structure.
  • a "porous structure” is to be understood here in particular as meaning a structure which has a large number of cavities which are arranged within a total volume of a body and / or a material and thus influence a density of the body and / or the material.
  • the porous structure is formed by pores of the connecting element, which are arranged in the connecting element.
  • the connecting element has a pore density which is greater than 10 ppi (pores per inch), preferably greater than 35 ppi and particularly preferably greater than 50 ppi.
  • the connecting element has an open porosity.
  • open porosity is meant in particular a connection of the cavities and / or the pores with each other and an interaction of the cavities and / or the pores with the be understood the connecting element adjacent environment.
  • the connecting element can for example be advantageously impregnated with lubricant. As a result, a lifetime can be advantageously increased and a maintenance intensity can be advantageously reduced.
  • a portable power tool with a coupling device for positive and / or non-positive coupling is described with a machine tool separating device according to the invention.
  • a "portable machine tool” is to be understood here in particular as meaning a machine tool, in particular a hand tool machine, which can be transported without transport machine by an operator.
  • the portable power tool has a mass which is less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg.
  • the machine tool separating device according to the invention and the portable machine tool particularly preferably form a machine tool system. It can be advantageously achieved a portable machine tool, which is particularly advantageous for a wide range of applications.
  • FIG. 12 shows a portable power tool 42a having a power tool separating device 10a which does not fall within the scope of the claims, which together form a power tool system.
  • the portable power tool 42a has a coupling device 44a for the positive and / or non-positive coupling with the power-tool parting device 10a.
  • the coupling device 44a can be embodied as a bayonet closure and / or as another coupling device that appears meaningful to a person skilled in the art.
  • the portable power tool 42a has a power tool housing 46a which encloses a drive unit 48a and a gear unit 50a of the portable power tool 42a.
  • the drive unit 48a and the gear unit 50a are operatively connected together in a manner already known to a person skilled in the art in order to generate a drive torque that can be transmitted to the power-tool parting device 10a.
  • the gear unit 50a is designed as an angle gear.
  • the drive unit 48a is designed as an electric motor unit. However, it is also conceivable for the drive unit 48a and / or the gear unit 50a to have another configuration that appears appropriate to a person skilled in the art.
  • the drive unit 48a is provided to drive a cutting strand 12a of the power-tool parting device 10a in at least one operating state with a cutting speed of less than 6 m / s.
  • the portable power tool 42a has at least one operating mode in which a drive of the cutting strand 12a in a guide unit 30a of the power-tool parting device 10a along a cutting direction 52a of the cutting strand 12a is made possible with a cutting speed of less than 6 m / s.
  • FIG. 2 shows the power tool separating device 10a in a decoupled from the coupling device 44a of the portable power tool 42a state.
  • the machine tool separating device 10a has the cutting strand 12a and the guide unit 30a, which together form a closed system.
  • the guide unit 30a is designed as a sword.
  • the guide unit 30a viewed in a cutting plane of the cutting strand 12a, at least two convexly shaped ends 54a, 56a.
  • the convex ends 54a, 56a of the guide unit 30a are arranged on two opposite sides of the guide unit 30a.
  • the cutting strand 12a is guided by the guide unit 30a.
  • the guide unit 30a has at least one guide element 58a (FIG. FIG.
  • the guide element 58a is in this case formed as a guide groove 60a, which extends in a cutting plane of the cutting strand 12a along an entire circumference of the guide unit 30a. In this case, the cutting strand 12a is guided by means of the guide groove 60a delimiting edge regions of the guide unit 30a.
  • the guide element 58a is formed in another manner that appears appropriate to a person skilled in the art, such as, for example, as rib-like molding on the guide unit 30a, which engages in a recess on the cutting strand 12a.
  • the cutting strand 12a viewed in a plane perpendicular to the cutting plane, is surrounded on three sides by the edge regions bounding the guide groove 60a ( FIG. 5 ).
  • the cutting strand 12a is circumferentially moved during operation along the circumference of the guide unit 30a in the guide groove 60a relative to the guide unit 30a.
  • the power-tool parting device 10a has a torque transmission element 32a supported by the guide unit 30a for driving the cutting strand 12a.
  • the torque transmission element 32a is in an assembled state, viewed in a plane perpendicular to the cutting plane, surrounded by two outer walls 72a, 74a of the guide unit 30a.
  • the torque transmitting member 32a is coupled in one Condition for driving the cutting strand 12a with a pinion (not shown here in detail) of the drive unit 48a and / or a gear (not shown here) and / or a toothed shaft (not shown here) coupled to the transmission unit 50a.
  • the torque transmission element 32a has a coupling recess 62a, which in a mounted state can be coupled to a drive element of the portable power tool 42a.
  • the coupling recess 62a is concentrically disposed in the torque transmitting member 32a. Further, the coupling recess 62a is provided, in a coupled state of the torque transmitting member 32a and / or the power tool separating device 10a with the pinion (not shown here) of the drive unit 48a and / or the gear (not shown here) and / or the toothed shaft (not shown in detail here) of the gear unit 50a to be coupled.
  • the coupling recess 62a is formed as a hexagon socket. However, it is also conceivable for the coupling recess 62a to have another configuration that appears appropriate to a person skilled in the art.
  • the cutting strand 12a has a plurality of interconnected cutter support elements 14a, 16a, each interconnected by a connecting element 18a, 20a of the cutting strand 12a, at least substantially flush with one of two outer surfaces 22a, 24a of one of the interconnected cutter support elements 14a, 16a completes ( FIG. 3 ).
  • the outer surfaces 22a, 24a extend in a state arranged in the guide groove 60a of the cutting strand 12a at least substantially parallel to the cutting plane.
  • a person skilled in the art will select a suitable number of cutter carrier elements 14a, 16a for the cutting strand 12a. In FIG.
  • the connecting elements 18a, 20a are formed as bolts 26a, 28a.
  • the connecting elements 18a, 20a are each formed integrally with one of the cutter support elements 14a, 16a.
  • the cutter support elements 14a, 16a each have a connecting recess 64a, 66a for receiving one of the connecting elements 18a, 20a of the interconnected cutter support elements 14a, 16a.
  • the connecting elements 18a, 20a are guided by means of the guide unit 30a ( FIG. 5 ).
  • the connecting elements 18a, 20a are arranged in an assembled state of the cutting strand 12a in the guide groove 60a.
  • the connecting elements 18a, 20a can, viewed in a plane perpendicular to the cutting plane, be supported on two side walls 68a, 70a of the guide groove 60a.
  • the side walls 68a, 70a of the guide groove 60a viewed in the cutting plane, extend outward from the guide unit 30a perpendicular to the cutting direction 52a of the cutting strand 12a.
  • the side walls 68a, 70a are formed integrally with the outer walls 72a, 74a of the guide unit 30a.
  • the connecting elements 18a, 20a have a porous structure.
  • the connecting elements 18a, 20a each have a plurality of cavities 90a, 92a, 104a, 106a, which are arranged within total volumes of the connecting elements 18a, 20a.
  • the cavities 90a, 92a, 104a, 106a are formed as pores.
  • the cavities 90a, 92a, 104a, 106a can be arranged uniformly and / or unevenly distributed in the total volumes of the connecting elements 18a, 20a.
  • the connecting elements 18a, 20a are each impregnated with a lubricant (not shown in detail here), which is intended to lubricate the connecting elements 18a, 20a movably arranged in the connecting recesses 64a, 66a and in the guide groove 60a.
  • the lubricant is in this case arranged in the cavities 90a, 92a, 104a, 106a of the connecting elements 18a, 20a which are in the form of pores.
  • the cutter support elements 14a, 16a of the cutting strand 12a further each have a recess 38a, 40a, which is arranged in each case in an assembled state on the torque transmitting element 32a facing side 34a, 36a of the respective cutter support member 14a, 16a.
  • the torque transmission element 32a engages in the recesses 38a, 40a in at least one operating state for driving the cutting strand 12a.
  • the torque transmitting element 32a is formed here as a gear.
  • the torque transmitting element 32a includes teeth (not shown in detail here) which are intended to engage in at least one operating state for driving the cutting strand 12a into the recesses 38a, 40a of the cutter support elements 14a, 16a.
  • the torque transmission element 32a facing sides 34a, 36a of the cutter support elements 14a, 16a circular arc-shaped.
  • the torque-transmitting element 32a facing in an assembled state sides 34a, 36a of the cutter support elements 14a, 16a are respectively in partial areas 76a, 78a, 100a, 102a, between a central axis 80a of the respective connecting element 18a, 20a and a central axis 82a, 84a of the respective connecting recess 64a , 66a viewed, circular arc configured.
  • the arcuate portions 76a, 78a, 100a, 102a are respectively formed adjacent to the recesses 38a, 40a into which the torque transmitting member 32a engages.
  • the circular-arc-shaped partial regions 76a, 78a, 100a, 102a have a radius which corresponds to a radius of a profile of the guide groove 60a at the convex ends 54a, 56a.
  • the partial regions 76a, 78a, 100a, 102a are concave ( FIGS. 3 and 4 ).
  • the cutting strand 12a has cutting elements 86a, 88a.
  • the cutting elements 86a, 88a are each formed integrally with one of the cutter support elements 14a, 16a.
  • a number of the cutting elements 86a, 88a are dependent on a number of cutter support elements 14a, 16a.
  • a person skilled in the art will select a suitable number of cutting elements 86a, 88a depending on the number of cutter carrier elements 14a, 16a.
  • the cutting elements 86a, 88a are intended to allow a separation and / or removal of material particles of a workpiece to be machined (not shown here).
  • the cutting elements 86a, 88a can be designed, for example, as a solid chisel, as a semi-chisel or other types of cutting edge that appear meaningful to a person skilled in the art, which are intended to enable a separation and / or removal of material particles of a workpiece to be machined.
  • the cutting strand 12a is endless.
  • the cutting strand 12a is formed as a cutting chain.
  • the cutter support elements 14a, 16a are in this case designed as chain links, which are connected to one another by means of the bolt-shaped connecting elements 18a, 20a.
  • the cutting strand 12a, the cutter support elements 14a, 16a and / or the connecting elements 18a, 20a are configured in another manner that appears appropriate to a person skilled in the art.
  • FIGS. 6 to 16 Alternative embodiments are shown. Essentially consistent components, features and functions are basically included the same reference numerals. To distinguish the embodiments, the letters a to d are added to the reference numerals of the embodiments. The following description is limited essentially to the differences from the first embodiment in the FIGS. 1 to 5 , wherein with respect to the same components, features and functions on the description of the first embodiment in the FIGS. 1 to 5 can be referenced.
  • FIG. 6 Figure 10 shows an alternative power tool separating apparatus 10b which does not fall within the scope of the claims, having a cutting string 12b comprising a plurality of cutter support members 14b, 16b connected to each other.
  • the power-tool parting device 10b can be operatively coupled to a coupling device (not shown here in detail) of a portable power tool (not shown here in detail).
  • the portable power tool and the coupling device in this case have an embodiment that in the FIGS. 1 to 5 has been described, analog construction.
  • the cutter support elements 14b, 16b are each connected to one another by means of a connecting element 18b, 20b, 96b of the cutting strand 12b ( FIG. 7 ).
  • the connecting elements 18b, 20b, 96b terminate in an assembled state at least substantially flush with outer surfaces 22b, 24b of the cutter support elements 14b, 16b (FIG. FIGS. 7 and 8 ).
  • the connecting elements 18b, 20b, 96b are designed as bolts 26b, 28b, 98b. Furthermore, the connecting elements 18b, 20b, 96b are formed separately from the cutter support elements 14b, 16b.
  • the blade carrier elements 14b, 16b are connected to one another by means of the connecting elements 18b, 20b, 96b.
  • the connecting elements 18b, 20b, 96b are inserted into connecting recesses 64b, 66b, 94b, 112b of the cutter support elements 14b, 16b until the connecting elements 18b, 20b are at least substantially flush with the outer surfaces 22b, 24b of the cutter support elements 14b, 16b.
  • the connecting elements 18b, 20b, 96b are guided in a mounted state of the cutting strand 12b in a guide unit 30b of the power-tool parting device 10b by means of the guide unit 30b (FIG. FIG. 8 ).
  • the connecting elements 18b, 20b, 96b are arranged in a mounted state of the cutting strand 12b in a guide groove 60b of the guide unit 30b.
  • the Connecting elements 18b, 20b, 96b can, viewed in a plane perpendicular to a cutting plane, be supported on two side walls 68b, 70b of the guide groove 60b.
  • the side walls 68b, 70b of the guide groove 60b viewed in the cutting plane, extend outward from the guide unit 30b perpendicular to a cutting direction 52b of the cutting strand 12b.
  • the side walls 68b, 70b are formed integrally with outer walls 72b, 74b of the guide unit 30b.
  • the connecting elements 18b, 20b, 96b have a porous structure.
  • the connecting elements 18b, 20b, 96b each have a plurality of cavities 90b, 92b, 104b, 106b, 108b, 110b, which are arranged within total volumes of the connecting elements 18b, 20b, 96b.
  • the cavities 90b, 92b, 104b, 106b, 108b, 110b are formed as pores.
  • the cavities 90b, 92b, 104b, 106b, 108b, 110b can hereby be arranged uniformly and / or unevenly distributed in the total volumes of the connecting elements 18b, 20b, 96b.
  • the connecting elements 18b, 20b, 96b are each impregnated with a lubricant (not shown here in detail) which is provided for lubricating the connecting elements 18b, 20b, which are movably arranged in the connecting recesses 64b, 66b, 94b, 112b and in the guide groove 60b.
  • a lubricant (not shown here in detail) which is provided for lubricating the connecting elements 18b, 20b, which are movably arranged in the connecting recesses 64b, 66b, 94b, 112b and in the guide groove 60b.
  • the lubricant is in this case arranged in the pores formed as voids 90b, 92b, 104b, 106b, 108b, 110b of the connecting elements 18b, 20b, 96b.
  • FIG. 9 shows two coupled cutter support elements 14c, 16c of a cutting strand 12c of a machine tool cutting device 10c according to the invention.
  • the cutter support elements 14c, 16c are connected to one another by means of at least one connecting element 18c of the cutting strand 12c, which is at least substantially flush with at least one outer surface 22c, 24c of one of the at least two cutter support elements 14c, 16c (FIG. 10).
  • the connecting element 18c viewed along a transverse axis of the connecting element 18c, terminates flush with both outer surfaces 22c, 24c of one of the at least two cutter support elements 14c, 16c.
  • the transverse axis of the connecting element 18c extends in an interconnected state of the cutter support elements 14c, 16c at least substantially perpendicular to a cutting plane of the cutting strand 12c.
  • the connecting element 18c is integrally formed with one of the two cutter support members 14c, 16c.
  • the connecting element 18c is designed as a longitudinal extension of one of the at least two cutter support elements 14c, 16c.
  • the connecting element 18c designed as a longitudinal extension extends at least substantially along a longitudinal extension of the cutter support element 14c, with which the connecting element 18c is integrally formed.
  • the longitudinal extension is hook-shaped.
  • Each cutter support element 14c, 16c of the cutting strand 12c of the power-tool parting device 10c has in each case a connecting element 18c, 20c designed as a longitudinal extension and in each case a connecting recess 64c, 66c formed correspondingly to the connecting element 18c.
  • the individual connecting elements 18c, 20c of the cutter support elements 14c, 16c are respectively provided for forming the cutting strand 12c designed as a cutting chain to realize a positive connection between the cutter support elements 14c, 16c by means of cooperation with a connecting recess 64c, 66c, by means of which the cutter support elements 14c , 16c are pivotally connected together.
  • the connecting element 18c designed as a longitudinal extension has a transverse securing region 114c on one side.
  • the transverse securing region 114c is provided to prevent, by means of cooperation with at least one transverse securing element 118c, 120c, transverse movement of the cutter carrier elements 14c, 16c along at least two oppositely directed directions in a coupled state relative to one another, at least as far as possible.
  • the transverse securing portion 114c is formed as a rib.
  • the transverse fuse region 114c has another configuration that appears appropriate to a person skilled in the art, such as a configuration as a groove, etc.
  • the transverse fuse region 114c is integral with a cross-fuse arranged with the cutter support member 14c cutting element 86c facing side of the connecting element 18c.
  • the transverse securing region 114c viewed in the cutting plane of the cutting strand 12c, extends in the manner of an annular segment on the connecting element 18c.
  • each of the cutter carrier elements 14c, 16c has at least two transverse securing elements 118c, 120c, 122c, 124c.
  • the transverse securing elements 118c, 120c, 122c, 124c are each arranged in an edge region of the respective cutter carrier element 14c, 16c delimiting the connecting recesses 64c, 66c.
  • the transverse securing elements 118c, 120c, 122c, 124c are formed integrally with the cutter support elements 14c, 16c.
  • the transverse securing elements 118c, 120c, 122c, 124c are integrally formed in each case by means of an embossing process to the respective cutter support element 14c, 16c.
  • the transverse securing elements 118c, 120c, 122c, 124c viewed along a direction extending at least substantially perpendicular to the cutting plane of the cutting strand 12c, extend as far as the outer surfaces 22c, 24c of the cutter support elements 14c, 16c.
  • the transverse securing elements 118c, 120c, 122c, 124c to be integrally formed on the respective cutter carrier element 14c, 16c by means of another method that appears appropriate to a person skilled in the art, for example by means of a welding method, by means of an adhesive method, by means of a stamping method , by means of a bending process, etc.
  • the two transverse securing elements 118c, 120c, 122c, 124c arranged on each of the cutter support elements 14c, 16c, viewed along a direction at least substantially perpendicular to the cutting plane of the cutting strand 12c, are arranged on opposite sides of the cutter carrier elements 14c, 16c.
  • the two transverse securing elements 118c, 120c, 122c, 124c arranged on each of the cutter carrier elements 14c, 16c are arranged offset relative to one another on the respective cutter carrier element 14c, 16c.
  • the transverse securing elements 118c, 120c, 122c, 124c with respect to the cutting plane of the cutting strand 12c, differ from a mirror-symmetrical arrangement on the cutter support elements 14c, 16c arranged.
  • the transverse securing elements 118c, 120c, 122c, 124c are formed as partial extensions on an edge region of the connecting recesses 64c, 66c.
  • transverse securing elements 118c, 120c, 122c, 124c to have another configuration and / or arrangement which appears expedient to a person skilled in the art, such as, for example, a design as parallel webs which form a groove-shaped recess in the edge region of the respective connecting recess 64c , 66c, viewed along a direction extending at least substantially perpendicular to the cutting plane of the cutting strand 12c direction limit.
  • At least one of the at least two cutter support elements 14c, 16c has at least one segment guide element 126c, which is provided, a movement of the at least one of the at least two cutter support elements 14c, 16c, in a in a guide unit (not shown in detail here) of the power tool cutting device 10c arranged state considered in a direction away from the guide unit direction to limit at least along at least substantially parallel to the cutting plane of the cutting strand 12c extending direction.
  • the segment guide element 126c is formed by a transverse extension which delimits a longitudinal groove.
  • the segment guide element 126c designed as a transverse extension extends at least substantially perpendicular to the cutting plane of the cutting strand 12c.
  • the segment guide element 126c is provided to cooperate with a movement limit with a segment counter-guide element arranged on the guide unit (not shown here in detail), which is formed in correspondence with the segmented guide element 126c.
  • a segment counter-guide element arranged on the guide unit (not shown here in detail)
  • the segment guide element 126c has another, to a skilled person appear appropriate design, such as a configuration as a rib, etc., arranged with a on the guide unit Groove cooperates to a movement limit.
  • Each cutter support member 14c, 16c of the cutter string 12c includes a segment guide member 126c, 128c provided to move the at least one of the at least two cutter support members 14c, 16c in a state disposed in a guide unit of the power tool separator 10c in a direction away from the guide unit Direction, at least along at least substantially parallel to the cutting plane of the cutting strand 12c extending direction to limit.
  • the cutter support elements 14c, 16c of the cutting strand 12c also each have a drive surface 130c, 132c, which is intended to cooperate with a drive of the cutting strand 12c with drive surfaces of a torque transmission element (not shown here).
  • the drive surfaces of the torque transmission element are in this case formed as tooth flanks.
  • the drive surfaces 130c, 132c of the cutter support members 14c, 16c are thus formed corresponding to the drive surfaces of the torque transmitting member.
  • the cutter support elements 14c, 16c are moved toward one another along a direction running at least substantially perpendicularly to the cutting plane of the cutting strand 12c ( FIG. 11 ), wherein the connecting elements 18c, 20c are each inserted with an insertion in the connecting recesses 64c, 66c until the outer surfaces 22c, 24c of the cutter support elements 14c, 16c each arranged in a common and at least substantially parallel to the outer surfaces 22c, 24c extending plane are.
  • the cutter support elements 14c, 16c are pivoted relative to each other about a pivot axis extending at least substantially perpendicular to the cutting plane of the cutting strand 12c, until the transverse securing regions 114c, 116c are respectively pushed between the transverse securing elements 118c, 120c, 122c, 124c or until the insertion regions of the connecting elements 18c , 20c abut on the connecting recesses 64c, 66c along the longitudinal extension of the cutter support elements 14c, 16c delimiting edge regions.
  • the cutter support members 14c, 16c are pivotally supported relative to one another by means of an interaction of the connecting members 18c, 20c and the connecting recesses 64c, 66c.
  • FIG. 12 shows two coupled cutter support elements 14d, 16d of a cutting strand 12d of another, alternative machine tool separating device 10d according to the invention.
  • the blade carrier elements 14d, 16d are by means of at least a connection element 18d of the cutting strand 12d which is at least substantially flush with at least one outer surface 22d, 24d of one of the at least two cutter support elements 14d, 16d ( FIG. 13 ).
  • the connecting element 18d viewed along a longitudinal axis of the connecting element 18d, terminates flush with an outer surface 22d of one of the at least two cutter support elements 14d, 16d.
  • the longitudinal axis of the connecting element 18d extends at least substantially perpendicular to a cutting plane of the cutting strand 12d.
  • the connecting element 18d is formed integrally with at least one of the at least two cutter support elements 14d, 16d.
  • the connecting element 18d is formed here as a bolt 26d.
  • the bolt 26d extends along a direction extending at least substantially perpendicular to a cutting plane of the cutting strand 12d.
  • Each cutter support element 14d, 16d of the cutting strand 12d of the power-tool parting device 10d has in each case a connecting element 18d, 20d designed as bolts 26d, 28d and in each case a connecting recess 64d, 66d formed correspondingly with the connecting element 18d, 20d.
  • the individual connecting elements 18d, 20d of the cutter support elements 14d, 16d are respectively provided for forming the cutting strand 12d formed as a cutting chain by means of cooperation with a connecting recess 64d, 66d to realize a positive connection between the cutter support elements 14d, 16d, by means of which the cutter support elements 14d , 16d are pivotally connected ..
  • the cutter support elements 14d, 16d each have at least one transverse securing element 118d, 122d, which is intended to prevent, as far as possible, transverse movement of the cutter carrier elements 14d, 16d in a coupled state relative to one another.
  • the cutter support elements 14d, 16d have a transverse securing region 114d, 116d.
  • the transverse securing regions 114d, 116d are each formed corresponding to the transverse securing elements 118d, 122d, in order at least largely to avoid transverse movement of the cutter carrier elements 14d, 16d in a coupled state by means of cooperation with the transverse securing elements 118d, 122d.
  • the transverse securing elements 118d, 122d are formed as extensions.
  • the cross-securing elements 118d, 122d are each arranged in a coupling region 134d, 136d of the cutter support elements 14d, 16d.
  • the transverse securing elements 118d, 122d together with the respective coupling region 134d, 136d define a groove-shaped recess extending at least substantially parallel to the cutting plane of the cutting strand 12d to receive the respective transverse securing region 114d, 116d in a coupled state of the cutter carrier elements 14d, 16d.
  • the connecting recesses 64d, 66d are arranged, into which the connecting elements 18d, 20d are introduced for realizing a positive connection during assembly of the cutting strand 12d.
  • the transverse securing elements 118d, 122d are integrally formed with the cutter support elements 14d, 16d.
  • the transverse securing elements 118d, 122d are integrally formed in each case by means of an embossing process to the respective cutter support element 14d, 16d.
  • the transverse securing elements 118d, 122d viewed along a direction extending at least substantially perpendicular to the cutting plane of the cutting strand 12d, extend as far as the outer surfaces 22d, 24d of the cutter support elements 14d, 16d.
  • the transverse securing elements 118d, 122d it is also conceivable for the transverse securing elements 118d, 122d to be integrally formed on the respective cutter support element 14d, 16d by means of another method appearing appropriate to a person skilled in the art, for example by means of a welding method, by means of a gluing method, by means of a stamping method, by means of a bending method etc.
  • the transverse securing regions 114d, 116d are respectively arranged on one side of the respective cutter carrier element 14d, 16d, which faces away from the coupling region 134d, 136d.
  • the transverse securing regions 114d, 116d are each formed as a rib-shaped longitudinal extension.
  • the transverse securing regions 114d, 116d have another, to a skilled person appear appropriate design, such as a configuration as a groove, etc.
  • the cutter support elements 14d, 16d each have a segment guide element 126d, 128d, which is provided for movement of the cutter support elements 14d, 16d in a state arranged in a guide unit (not shown in detail here) of the power tool separating device 10d in one of the guide unit Seen in the opposite direction, at least along at least substantially parallel to the cutting plane of the cutting strand 12d extending direction to limit.
  • the segment guide elements 126d, 128d are formed by a longitudinal groove.
  • the segment guide elements 126d, 128d are provided to cooperate with a movement limit arranged on the guide unit segment counter-guide element (not shown here), which is formed in correspondence with the segment guide elements 126d, 128d.
  • transverse securing regions are embossed directly onto the bolt-shaped connecting element by a stamping method after connecting the cutter carrier elements by means of a bolt-shaped connecting element which is formed integrally with one of the cutter carrier elements.
  • transverse securing elements are formed by an edge region of a connecting recess encompassed in each case by the cutter carrier elements.
  • the cutter support elements 14d, 16d are moved toward one another along a direction running at least substantially perpendicularly to the cutting plane of the cutting strand 12d ( FIG. 14 ), wherein the connecting elements 18d, 20d in each case along the at least substantially perpendicular to the cutting plane of the cutting strand 12d extending direction into the Wegsaus traditions 64d, 66d are applied to outer surfaces 22d, 24d of the cutter support elements 14d, 16d abut the corresponding coupling portions 134d, 136d.
  • the cutter support elements 14d, 16d are pivoted relative to one another about a pivot axis extending at least substantially perpendicularly to the cutting plane of the cutting strand 12d, until the transverse securing regions 114d, 116d respectively into those of the transverse securing elements 118d, 122d and the coupling regions 134d, 136d formed groove-shaped recesses are pushed.
  • the cutter support members 14d, 16d by means of an interaction of the connecting elements 18d, 20d and the connecting recesses 64d, 66d are pivotally mounted relative to each other.

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Claims (8)

  1. Dispositif de séparation de machine-outil, en particulier dispositif de séparation de machine-outil manuelle, avec au moins une chaîne de coupe (12c; 12d), qui comprend au moins deux éléments porteurs de tranchants (14c, 16c; 14d, 16d) reliés l'un à l'autre, dans lequel lesdits au moins deux éléments porteurs de tranchants (14c, 16c; 14d, 16d) sont reliés l'un à l'autre au moyen d'au moins un élément de liaison (18c, 20c; 18d, 20d) de la chaîne de coupe (12c; 12d), qui se termine au moins essentiellement à fleur d'au moins une face extérieure (22c, 24c; 22d, 24d) d'un desdits au moins deux éléments porteurs de tranchants (14c, 16c; 14d, 16d), dans lequel l'élément de liaison (18c, 20c; 18d, 20d) est réalisé au moins partiellement d'un seul tenant avec au moins un desdits au moins deux éléments porteurs de tranchants (14c, 16c; 14d, 16d), dans lequel selon une première alternative l'élément de liaison (18c, 20c) est réalisé comme prolongement longitudinal d'un desdits au moins deux éléments porteurs de tranchants (14c, 16c), dans lequel l'élément de liaison (18c, 20c) réalisé comme prolongement longitudinal s'étend au moins essentiellement le long d'une extension longitudinale de l'élément porteur de tranchants (14c, 16c) avec lequel l'élément de liaison (18c, 20c) est réalisé d'un seul tenant, et dans lequel le prolongement longitudinal est réalisé en forme de crochet, caractérisé en ce que l'élément de liaison (18c, 20c) réalisé comme prolongement longitudinal présente sur un côté une région de fixation transversale (114c, 116c), qui est prévue pour empêcher au moins très largement, par le biais d'une coopération avec au moins un élément de fixation transversale (118c, 120c), un mouvement transversal des éléments porteurs de tranchants (14c, 16c) le long d'au moins deux directions opposées l'un par rapport à l'autre dans un état couplé, dans lequel la région de fixation transversale (114c) est réalisée sous forme de nervure et dans lequel la région de fixation transversale (114c, 116c) est disposée sur un côté de l'élément de liaison (18c, 20c) tourné vers l'élément de coupe (86c) formé d'un seul tenant avec l'élément porteur de tranchants (14c, 16c), dans lequel la région de fixation transversale (114c, 116c), considérée dans un plan de coupe de la chaîne de coupe (12c), s'étend en forme de segment de cercle sur l'élément de liaison (18c, 20c), dans lequel au moins un desdits au moins deux éléments porteurs de tranchants (14c, 16c) présente au moins un élément de guidage de segment (126c, 128c), qui est prévu pour limiter un mouvement dudit au moins un desdits au moins deux éléments porteurs de tranchants (14c, 16c), considéré dans un état disposé dans une unité de guidage dans une direction opposée à l'unité de guidage, au moins le long d'une direction s'étendant au moins essentiellement parallèlement au plan de coupe de la chaîne de coupe (12c), dans lequel l'élément de guidage de segment (126c, 128c) est formé par un prolongement transversal, qui limite une rainure longitudinale, dans lequel l'élément de guidage de segment (126c, 128c) réalisé comme prolongement transversal s'étend au moins essentiellement perpendiculairement au plan de coupe de la chaîne de coupe (12c), dans lequel l'élément de guidage de segment (126c, 128c) est prévu pour coopérer, en vue d'une limitation du mouvement, avec un élément de guidage opposé de segment disposé sur l'unité de guidage, qui est réalisé de façon correspondante à l'élément de guidage de segment (126c,' 128c), ou dans lequel, dans une deuxième alternative, le dispositif de séparation de machine-outil est caractérisé en ce que l'élément de liaison (18d, 20d) est réalisé sous la forme d'un axe (26d, 28d), dans lequel chaque élément porteur de tranchants (14d, 16d) de la chaîne de coupe (12d) présente respectivement un élément de liaison (18d, 20d) réalisé sous la forme d'un axe (26d, 28d) et respectivement un évidement de liaison (64d, 66d) réalisé de façon correspondante à l'élément de liaison (18d, 20d), dans lequel les éléments porteurs de tranchants (14d, 16d) présentent respectivement au moins un élément de fixation transversale (118d, 122d), qui est prévu pour empêcher au moins très largement un mouvement transversal des éléments porteurs de tranchants (14d, 16d) l'un par rapport à l'autre dans un état couplé, dans lequel les éléments porteurs de tranchants (14d, 16d) présentent une région de fixation transversale (114d, 116d), dans lequel les régions de fixation transversale (114d, 116d) sont réalisées de façon correspondante aux éléments de fixation transversale (118d, 122d), afin d'éviter au moins très largement, par le biais d'une coopération avec les éléments de fixation transversale (118d, 122d), un mouvement transversal des éléments porteurs de tranchants (14d, 16d) dans un état couplé, dans lequel les éléments de fixation transversale (118d, 122d) sont réalisés en forme de prolongements, dans lequel les éléments de fixation transversale (118d, 122d) sont disposés respectivement dans une région de couplage (134d, 136d) des éléments porteurs de tranchants (14d, 16d) et limitent, avec la région de couplage respective (134d, 136d), un évidement en forme de rainure s'étendant au moins essentiellement parallèlement au plan de coupe de la chaîne de coupe (12d) destiné à recevoir la région de fixation transversale respective (114d, 116d) dans un état couplé des éléments porteurs de tranchants (14d, 16d), dans lequel les évidements de liaison (64d, 66d) sont disposés dans les régions de couplage (134d, 136d), dans lesquels les éléments de liaison (18d, 20d) sont introduits pour réaliser un assemblage par emboîtement lors d'un montage de la chaîne de coupe (12d), dans lequel les régions de fixation transversale (114d, 116d), considérées le long d'une direction de coupe (52d), sont disposées respectivement sur un côté de l'élément porteur de tranchants respectif (14d, 16d), qui est situé à l'opposé de la région de couplage (134d, 136d), et dans lequel les régions de fixation transversale (114d, 116d) sont réalisées respectivement comme prolongement longitudinal en forme de nervure, dans lequel les éléments porteurs de tranchants (14d, 16d) présentent respectivement un élément de guidage de segment (126d, 128d), qui est prévu pour limiter un mouvement des éléments porteurs de tranchants (14d, 16d), considérés dans un état disposé dans une unité de guidage dans une direction opposée à l'unité de guidage, au moins le long d'une direction s'étendant au moins essentiellement parallèlement au plan de coupe de la chaîne de coupe (12d), dans lequel les éléments de guidage de segment (126d, 128d) sont formés par une rainure longitudinale, dans lequel les éléments de guidage de segment (126d, 128d) sont prévus pour coopérer à une limitation de mouvement avec un élément de guidage opposé de segment disposé sur l'unité de guidage, qui est réalisé de façon correspondante aux éléments de guidage de segment (126d, 128d).
  2. Dispositif de séparation de machine-outil selon la revendication 1, caractérisé en ce que l'élément de fixation transversale (118c, 120c, 122c, 124c; 118d, 120d, 122d, 124d) est façonné d'un seul tenant, au moyen d'un procédé d'estampage sur ledit au moins un desdits au moins deux éléments porteurs de tranchants (14c, 16c; 14d, 16d).
  3. Dispositif de séparation de machine-outil selon l'une quelconque des revendications précédentes, caractérisé par au moins une unité de guidage destinée à recevoir la chaîne de coupe, dans laquelle l'élément de liaison est guidé au moins partiellement.
  4. Dispositif de séparation de machine-outil selon la revendication 3, caractérisé par au moins un élément de transmission de couple de rotation monté au moins en partie dans l'unité de guidage.
  5. Dispositif de séparation de machine-outil selon la revendication 4, caractérisé en ce qu'au moins un desdits au moins deux éléments porteurs de tranchants présente, sur un côté de l'élément porteur de tranchants tourné vers l'élément de transmission de couple de rotation, au moins un évidement dans lequel l'élément de transmission de couple de rotation s'engage, dans au moins un état de fonctionnement, pour l'entraînement de la chaîne de coupe.
  6. Dispositif de séparation de machine-outil selon la revendication 4 ou 5, caractérisé en ce qu'au moins un desdits au moins deux éléments porteurs de tranchants est réalisé au moins essentiellement en forme d'arc de cercle sur un côté tourné vers un élément de transmission de couple de rotation monté au moins en partie dans l'unité de guidage.
  7. Dispositif de séparation de machine-outil selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de liaison présente une structure poreuse.
  8. Système de machine-outil avec au moins un dispositif de séparation de machine-outil selon l'une quelconque des revendications 1 à 7 et avec une machine-outil portative, qui comprend un dispositif de couplage (44a) pour le couplage par emboîtement et/ou par adhérence avec le dispositif de séparation de machine-outil.
EP12720407.1A 2011-03-03 2012-03-02 Machine-outil avec dispositif de séparation Not-in-force EP2681022B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110005011 DE102011005011A1 (de) 2011-03-03 2011-03-03 Werkzeugmaschinentrennvorrichtung
PCT/EP2012/000939 WO2012116834A1 (fr) 2011-03-03 2012-03-02 Dispositif de séparation pour machine-outil

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Publication Number Publication Date
EP2681022A1 EP2681022A1 (fr) 2014-01-08
EP2681022B1 true EP2681022B1 (fr) 2015-10-07

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US (2) US10052785B2 (fr)
EP (1) EP2681022B1 (fr)
CN (1) CN103415376B (fr)
DE (1) DE102011005011A1 (fr)
RU (1) RU2604506C2 (fr)
WO (1) WO2012116834A1 (fr)

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DE102011005011A1 (de) 2011-03-03 2012-09-06 Robert Bosch Gmbh Werkzeugmaschinentrennvorrichtung
DE102012215460A1 (de) * 2012-08-31 2014-03-06 Robert Bosch Gmbh Schneidstrangsegment
US11311952B2 (en) 2018-01-31 2022-04-26 Milwaukee Electric Tool Corporation Reciprocating saw
CN115462297B (zh) * 2022-10-20 2024-04-23 天长市天荣木业制品厂 一种伐木用锯链条

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CN103415376B (zh) 2016-01-13
US10052785B2 (en) 2018-08-21
US20180272556A1 (en) 2018-09-27
RU2604506C2 (ru) 2016-12-10
US10695939B2 (en) 2020-06-30
CN103415376A (zh) 2013-11-27
US20140041502A1 (en) 2014-02-13
EP2681022A1 (fr) 2014-01-08
DE102011005011A1 (de) 2012-09-06
WO2012116834A1 (fr) 2012-09-07
RU2013144248A (ru) 2015-04-10

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