EP2768629A1 - Dispositif de serrage pour machine-outil - Google Patents

Dispositif de serrage pour machine-outil

Info

Publication number
EP2768629A1
EP2768629A1 EP12755855.9A EP12755855A EP2768629A1 EP 2768629 A1 EP2768629 A1 EP 2768629A1 EP 12755855 A EP12755855 A EP 12755855A EP 2768629 A1 EP2768629 A1 EP 2768629A1
Authority
EP
European Patent Office
Prior art keywords
clamping
tool
clamping element
machine tool
movement
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.)
Granted
Application number
EP12755855.9A
Other languages
German (de)
English (en)
Other versions
EP2768629B1 (fr
Inventor
Andreas Zurbruegg
Urs Roth
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 EP2768629A1 publication Critical patent/EP2768629A1/fr
Application granted granted Critical
Publication of EP2768629B1 publication Critical patent/EP2768629B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
    • B24B23/046—Clamping or tensioning means for abrasive sheets

Definitions

  • the invention relates to a machine tool clamping device for clamping a sheet-like machining tool on an eccentrically movably mounted tool holder, with at least one clamping unit having at least one movably mounted clamping element.
  • the machine tool clamping device comprises at least one link moving unit which is provided to move the clamping element in at least one operating state to generate a tensile stress in the sheet-like machining tool.
  • sheet-like is intended here to define in particular a geometric configuration of a component, the component having a material thickness which is in particular less than 10 mm, preferably less than 5 mm and particularly preferably greater than 1 ⁇ m
  • the machining tool thus preferably has an abrasive surface on at least one side surface. tel coating, which is provided during a machining of a workpiece for removing workpiece particles from a surface of the workpiece.
  • movably mounted in particular a bearing of a component relative to another component, wherein the tool holder, in particular decoupled from an elastic deformation of the component, a possibility of movement along at least one axis along a distance greater than 1 mm, preferably greater than 5 mm and particularly preferably greater than 10 mm and / or a possibility of movement around at least one axis by an angle greater than 1 °, preferably greater than 2 ° and particularly preferably greater than 5 °
  • the tool holder is designed as a vibrating plate, on which the sheet-like processing tool by means of the power-tool clamping device according to the invention is mounted on the housing unit is tightened.
  • a “clamping unit” is to be understood here in particular as a unit which secures the machining tool by means of a positive connection and / or by means of a frictional connection on and / or on the tool receptacle to a machining of a workpiece in order to transmit movements of the tool receptacle to the machining tool
  • Clamping element is preferably designed as a clamping element.
  • “provided” is meant in particular specially designed and / or specially equipped.
  • a “sliding movement unit” is to be understood here in particular a unit comprising a component, in particular the tensioning element, by an interaction of at least two relatively movable sliding motion elements, in particular from a slide track and a link engagement element engaging in the slide track, moves, in particular in a direction of movement different from a direction of movement of at least one slide movement element.
  • a movement type such as, for example, a translation and / or a rotation, of at least one linkage movement element, is varied by means of the linkage movement unit into a movement type of the at least one linkage movement element.
  • the tensioning element preferably performs a movement type that is different from a movement type of at least one linkage movement element by the linkage movement unit.
  • the link movement unit predefines a movement path of the component along which the component is moved by the interaction of the link movement elements, wherein the component is guided at least partially during the movement by the interaction of the link movement elements.
  • a tensile stress in particular in addition to a pure clamping of at least one end of the sheet-like machining tool by means of the clamping element, changed in the clamped on the tool holder sheet-like machining tool.
  • a streamlining of the sheet-like machining tool can advantageously be achieved.
  • a movement of the sheet-like machining tool during machining of a workpiece relative to the tool holder can be largely prevented or reduced to a minimum. It can be advantageously achieved a high quality work result.
  • a high level of operating comfort can be achieved when clamping the sheet-type machining tool to the tool holder.
  • the link movement element is designed as a slide track.
  • the link movement element is designed as a link engagement element, such as, for example, as a link pin engaging in the slide track.
  • the slide movement element can be formed as a groove-shaped axial extension which is formed, for example, by two mutually extending ribs, webs, etc., wherein the axial extension has edge regions whose course forms a slide track.
  • the slide movement element may be formed as a recess, wherein a course of the edge region bounding the recess forms a slide track.
  • the link movement element is integral with formed the clamping element.
  • one piece should be understood in particular at least materially connected connected, for example, by a welding process, a gluing process, a Anspritzrind and / or another, the skilled person appear useful process, and / or advantageously formed in one piece, such as by a Production by means of a casting and / or by a production in a one-component or multi-component injection molding process and advantageously by production from a single blank
  • the design according to the invention makes it possible to constructively realize a movement of the clamping element by means of the slide movement unit Arrangement of the gate movement unit can be realized.
  • the link movement unit has at least one further link movement element which is arranged on an operating element of the clamping unit.
  • the further linkage movement element is designed as a link bolt engaging in the linkage element designed as a link path.
  • the further link movement element is designed as a slide track, in which engages a link formed as a link moving element.
  • the further slide movement element can be formed in one piece with the operating element or can be fixed to the operating element by means of a positive and / or non-positive connection.
  • the link movement unit comprises two further link movement elements designed as link bolts, which engage in a link movement element of the link moving unit designed as a recess.
  • the two further link movement elements designed as slide pins abut each other on an edge region of the link movement element designed as a recess, wherein the two link motion elements designed as slide pins slide on the edge regions during a movement of the operating element and thus move the clamping element.
  • the embodiment according to the invention can advantageously be a movement of the operating element, in particular as a result of interaction of the further link movement element with the arranged on the clamping element sliding element, be transferred by the link movement unit in a movement of the clamping element.
  • the operating element is designed as a pivotally mounted control lever.
  • a "control lever” is to be understood here in particular as a rotatably mounted control element of the control unit which has at least one lever element perpendicular to a rotation axis, wherein the lever element has a longitudinal extension which is at least twice as large as at least one other extension perpendicular to the axis of rotation
  • the operating element it is also conceivable for the operating element to have another configuration which appears appropriate to a person skilled in the art, such as a rotary knob, etc.
  • the operating element is preferably pivotably mounted about an at least substantially perpendicular to a machining tool contact surface of the tool holder The machining tool contact surface of the
  • Tool holder is arranged in a mounted state of the tool holder on a side facing away from the housing unit of the portable machine tool side of the tool holder.
  • the term "substantially perpendicular" is intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, smaller 8 °, advantageously less than 5 ° and particularly advantageously less than 2 ° C.
  • a force transmission can be achieved
  • a small force exerted by an operator on the operating element can be translated into a large actuating force to a movement of the clamping element.
  • the clamping element is mounted translationally movable.
  • a movement axis, along which the clamping element is mounted translationally movable extends at least substantially parallel to the machining tool contact surface of the tool holder.
  • the clamping element is movably mounted along another and / or about another axis of movement.
  • substantially parallel is meant in particular an orientation of a direction relative to a reference direction, in particular in a plane, are 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 °.
  • the clamping unit has a further clamping element, which is mounted movably relative to the clamping element.
  • the sheet-like machining tool is clamped in at least one operating state as a result of movement of the clamping element relative to the further clamping element between the clamping element and the further clamping element.
  • the clamping element and the further clamping element are preferably provided to clamp the machining tool by means of a clamping force on and / or on the tool holder.
  • a secure clamping of the sheet-like machining tool between the clamping element and the further clamping element to a subsequent clamping of at least one end of the sheet-like machining tool generating a tensile stress due to movement of at least the clamping element by means of Kulis sentownsä be achieved in the sheet-like machining tool.
  • the further clamping element is mounted translationally movable.
  • a movement axis, along which the further clamping element is mounted in a translationally movable manner extends at least substantially parallel to the machining tool contact surface of the tool holder.
  • the movement axis, along which the further tensioning element is mounted in a translationally movable manner runs at least substantially parallel to the movement axis of the tensioning element.
  • the further clamping element is movably mounted along another and / or about another axis of movement. It can be structurally simple a clamping mechanism to a clamping of the sheet-like machining tool can be achieved.
  • the clamping unit has at least one spring element which is provided to act on the further clamping element with a spring force in the direction of the clamping element.
  • a “spring element” is to be understood in particular as a macroscopic element which has at least one extension that is elastically changeable by at least 10%, in particular by at least 20%, preferably by at least 30% and particularly advantageously by at least 50% in a normal operating state , and which in particular generates a counterforce which is dependent on a change in extent and preferably proportional to the change, counteracting the change.
  • Extension of an element is understood to mean, in particular, a maximum distance between two points of a vertical projection of the element onto a plane.
  • a "macroscopic element” is to be understood as meaning, in particular, an element having an extension of at least 1 mm, in particular of at least 5 mm and preferably of at least 10 mm
  • a supporting effect can advantageously be produced It can structurally simple an automatic movement of the further clamping element, in particular when releasing an operating position of the clamping element and the further clamping element to generate a tensile stress in the sheet-like machining tool , will be realized.
  • the further clamping element is moved by the clamping element counter to a spring force of a spring element of the clamping unit.
  • the clamping element and the further clamping element at least in the operating state in which a tensile stress is generated in the sheet-like machining tool by means of the link moving unit, moves together against a spring force of the spring element. It may advantageously be a high clamping force to a clamping of the sheet-like
  • the invention is based on a portable power tool with a machine tool clamping device according to the invention.
  • a "portable machine tool” is to be understood here in particular as meaning a machine tool for machining workpieces that can be transported without transport by an operator.
  • the portable machine tool in particular has a mass which is less than 40 kg, preferably less than 10 kg and
  • the machine tool is preferably designed as an orbital sander
  • the portable power tool has another, to a skilled person appear appropriate design, such as eccentric grinder, as angle grinder, delta sander, etc.
  • the portable power tool according to the invention By means of According to the embodiment of the portable power tool according to the invention, a high level of operating comfort for an operator can advantageously be achieved
  • the machine tool switching device according to the invention and / or the machine tool according to the invention should / should not depend on the application described above nd embodiment be limited.
  • the machine tool switching device according to the invention and / or the machine tool according to the invention can, for the purpose of fulfilling a mode of operation described herein, be one of a number of individual ones mentioned herein
  • FIG. 2 is a detailed view of a tool holder of the inventive portable power tool with the assembled machine tool clamping device according to the invention in a schematic representation
  • FIG. 3 shows a further detailed view of the tool holder of the portable power tool according to the invention with the assembled machine tool clamping device according to the invention in a schematic representation
  • FIG. 4a shows a detail view of the machine tool clamping device according to the invention in an opened state in a schematic representation
  • FIG. 4b is a detailed view of the machine tool clamping device according to the invention in a closed state in a schematic representation
  • FIG. 5 shows a detailed view of the machine tool clamping device according to the invention in an opened state during a loading process of a sheet-like machining tool into the machine tool clamping device according to the invention in a schematic representation
  • FIG. 6 shows a detailed view of the machine tool clamping device according to the invention in a closed state of a clamping unit of the machine tool according to the invention.
  • FIG. 7 is a detailed view of the machine tool clamping device according to the invention in a clamped state of the sheet-like machining tool in the machine tool clamping device according to the invention in a schematic
  • FIG. 1 shows a portable power tool 34 designed as an orbital sander with a power tool clamping device 10.
  • the portable power tool 34 has a housing unit 36, which encloses a drive unit 38.
  • the drive unit 38 is designed as an electric motor unit. However, it is also conceivable that the drive unit 38 has another, to a professional appear appropriate design, such as a configuration as a pneumatic drive unit, etc.
  • the drive unit 38 is provided to a tool holder 14 of the portable power tool 34 in a, known to a person skilled in the art and manner eccentrically to drive a drive shaft 40 of the drive unit 38 swinging in a plane. The plane extends in this case at least substantially perpendicular to the drive shaft 40.
  • the drive unit 38 is connected to a drive of the tool holder 14 with an eccentric oscillating gear (not shown here) in a manner known to a person skilled in the art with the tool holder 14.
  • the tool holder 14 is also supported on the housing unit 36 by means of elastic oscillating springs 42, 44, 46, 48 (FIG. 2) in a manner already known to a person skilled in the art.
  • the housing unit 36 includes for handling the portable power tool 34 during a machining of a workpiece (not shown here) a main handle 50, on which a
  • Switching unit 52 is arranged for commissioning the portable power tool 34.
  • the main handle 50 extends at least substantially along a main direction of extent 84 of the portable power tool 34.
  • the housing unit 36 includes an auxiliary handle 54 for guiding the portable power tool 34 during processing of a
  • the additional handle 54 is in this case, viewed along the main extension direction 84, arranged on a side facing away from the main handle 50 side of the housing unit 36.
  • the portable power tool 34 has a dust extraction unit 56 which has a dust collection box 58.
  • the dust collector 58 is detachably attachable to the portable power tool 34.
  • the dust extraction unit 56 has an embodiment already known to a person skilled in the art.
  • FIG. 2 shows the tool holder 14, on which the machine tool clamping device 10 is arranged, in a state disassembled from the housing unit 36 of the portable machine tool 34.
  • the machine tool clamping device 10 is for clamping a sheet-like processing tool 12 (FIG. 5) to the tool holder mounted eccentrically movably
  • the sheet-like processing tool 12 is formed as sandpaper.
  • the machine tool clamping device 10 has at least one clamping unit 16, which has at least one movably mounted clamping element 18.
  • the clamping element 18 is designed as a clamping plate.
  • the clamping element 18 has a guide region 60 and a clamping region 62.
  • the guide region 60 has a plate-like configuration.
  • the guide region 60 is movably mounted in guide grooves 64 of the tool holder 14.
  • the guide grooves 64 extend at least substantially parallel to a machining tool abutment surface 66 of the tool holder 14
  • Machining tool abutment surface 66 is in this case formed by a surface of tool receptacle 14 facing away from in a mounted state of tool receptacle 14 of housing unit 36. During machining of a workpiece, the machining tool abutment surface 66, with a machining tool 12 arranged thereon, lies on a surface of a workpiece to be machined
  • clamping element 18 is mounted by means of the guide grooves 64 translationally movable on the tool holder 14.
  • the clamping region 62 of the clamping element 18 extends at least substantially perpendicular to the guide region 60.
  • the clamping region 62 extends in the assembled state of the clamping element 18 in the direction of the machining tool abutment surface 66.
  • the clamping element 18 thus has, in an at least substantially perpendicular to the Viewed machining plane 66 extending plane, an L-shaped configuration, wherein the guide portion 60 and the clamping portion 62 by means of at least in
  • the transition region 68 is arcuate in this case.
  • the guide region 60, the clamping region 62 and the transition region 68 of the tensioning element 18 are integrally formed.
  • the guide region 60, the clamping region 62 and the transition region 68 are formed separately from one another and are connected to one another by means of a connecting element that appears appropriate to a person skilled in the art.
  • the clamping unit 16 has at least one clamping element 70.
  • the jaw member 70 is fixed by means of bolt-shaped portions 72 on the clamping element 18.
  • the clamping jaw element 70 is arranged on the clamping region 62.
  • the jaw member 70 is formed as a plastic member against which the sheet-like machining tool 12 abuts in a tightened state.
  • the clamping unit 16 comprises a further clamping element 30 which is mounted movably relative to the clamping element 18.
  • the further clamping element 30 is also mounted translationally movable.
  • at least the clamping region 62 of the clamping element 18 is arranged in a plane in which the further one
  • the Clamping element 30 is movably mounted.
  • the further clamping element 30 is designed as a clamping bar.
  • the clamping bar has a clamping region 74 and two guide regions 76.
  • the clamping region 74 of the clamping element 30 embodied as a clamping bar has a rectangular cross-section, viewed in the plane extending at least substantially perpendicular to the machining tool abutment surface 66.
  • the clamping region 74 it is also conceivable for the clamping region 74 to have another cross-section which appears expedient to a person skilled in the art.
  • the clamping region 74 has web-shaped clamping jaw elements 78 on a side of the further clamping element 30 facing the clamping element 18, against which the sheet-like machining tool 12 rests in a tightened state.
  • the clamping region 74 of the further clamping element 30 is provided in at least one operating state to pinch the sheet-like machining tool 12 together with the clamping region 62 of the clamping element 18.
  • the guide regions 76 of the further clamping element 30 are formed as bolt-shaped axial extensions, which are formed at a distance from each other at the clamping region 74 ( Figure 3).
  • the guide regions 76 of the further clamping element 30 it is also conceivable for the guide regions 76 of the further clamping element 30 to be another, a specialized man appear to have meaningful design and that the guide portions 76 are formed separately from the clamping portion 74 and fixed by means of connecting elements on the clamping portion 74.
  • the guide regions 76 extend at least substantially perpendicular to a clamping surface of the clamping region 74.
  • the guide regions 76 extend into guide recesses 80 of the tool holder 14.
  • the clamping unit 16 has at least one spring element 32, which is provided to strike the further clamping element 30 with a spring force in the direction of the clamping element 18.
  • the clamping unit 16 has two spring elements 32, 82 (FIG. 3).
  • the spring elements 32, 82 are arranged on the guide regions 76. With one end, the spring elements 32, 82 are supported on a side of the clamping region 74 of the further clamping element 30 facing away from the clamping element 18, and with a further end the spring elements 32, 82 rest on a collar of the tool holder 14, respectively is arranged in each case in a guide recess 80.
  • the further clamping element 30 is secured by means of securing elements (not shown in detail here) against falling out or moving out of the guide areas 76 of the further clamping element 30 from the guide recesses 80 of the tool holder 14.
  • the clamping unit 16 has a counter-clamping element 86, which is provided for clamping an end of the sheet-like machining tool 12 facing away from the clamping element 18 and the further clamping element 30.
  • the counter-clamping element 86 is in this case, viewed along the main extension direction 84, arranged on a side facing away from the clamping element 18 and the further clamping element 30 side of the tool holder 14.
  • the counter-clamping element 86 is mounted relative to the tool holder 14 pivotable about a pivot axis 88 of the counter-clamping element 86.
  • Pivot axis 88 extends in an at least substantially parallel to
  • Processing tool contact surface 66 extending plane in an assembled state of the tool holder 14 at least substantially perpendicular to the drive shaft 40 of the drive unit 38.
  • the counter-clamping element 86 by means of another spring element 90 of the clamping unit 16 with a spring force in Direction of the tool holder 14 applied.
  • the further spring element 90 is designed as a torsion spring or as a leg spring. However, it is also conceivable that the further spring element 90 has another, a skilled person appear appropriate design, such as a designed as a tension spring or a compression spring coil spring, etc. Further, the clamping unit
  • the machine tool clamping device 10 has at least one cam movement unit 20, which is provided to move the clamping element 18 in at least one operating state to generate a tensile stress in the sheet-like machining tool 12.
  • at least one link movement element 22 of the link moving unit 20 is arranged on the clamping element 18.
  • the link movement element 22 is designed as a slide track.
  • the sliding movement element 22 designed as a slide track is arranged in the guide region 60 of the tensioning element 18.
  • the gate movement element 22 designed as a slide track is designed as a recess in the guide region 60 of the tensioning element 18, which has an L-shaped configuration.
  • the linkage movement element 22 another, to a professional appear appropriate
  • Embodiment such as a limited by the guide portion 60 axial extensions groove, etc.
  • the gate movement unit 20 has at least one further gate movement element 24 which is arranged on an operating element 26 of the tensioning unit 16.
  • the operating element 26 is designed as a pivotally mounted operating lever 28.
  • An operator pivot axis 96 extends at least substantially perpendicular to the tool tool abutment surface 66.
  • the control element pivot axis 96 along another, A person skilled in the expedient sense, for example, along a direction extending at least substantially parallel to the relativelystechnikmaschinemaschine- plant surface 66.
  • the further link motion element 24 is designed as a link pin. In an assembled state engages the further designed as a slide pin link movement element 24 in the slide track designed as a sliding element 22 a.
  • designed as a slide track link movement element 22 delimiting edge regions of the link movement element 22 are provided to guide the further designed as a slide pin link movement element 24 in a pivoting movement of the operating element 26 to a movement of the
  • one end of the sheet-like machining tool 12 with the counter-clamping element 86 is first clamped to the tool holder 14 or clamped between the clamping jaw member 92 of the counter-clamping element 86 and the clamping surface 94 of the tool holder 14. Subsequently, the operator control element 26 is pivoted about the operating element pivot axis 96 by an operator starting from a clamping position (FIG. 4 b) in which a tensile stress is generated in the sheet-like machining tool 12 in a clamped state of the sheet-like machining tool 12.
  • the further sliding element designed as a cam slide member 24 slides on the edge regions of the sliding element movement element 22 and thereby moves the clamping element 18 in a direction away from the tool holder 14 direction.
  • the further tensioning element 30 is also moved in the direction away from the tool receptacle 14, since the tensioning element 18 releases a movement possibility of the further tensioning element 30 as a result of the movement in the direction away from the tool receptacle 14.
  • the further clamping element 30 moves in this case in the direction away from the tool holder 14 direction until the securing elements, not shown, of the further clamping element 30 abut against a stop.
  • the clamping element 18 is formed by the interaction of the slide track formed as a link movement element 22 and further designed as a link pin link motion element 24 in the of the Tool holder 14 moves away from the direction until the interaction of the link path formed as a link movement element 22 and further designed as a link pin link motion element 24 limits the movement of the clamping element 18 ( Figure 4a).
  • the clamping block element 70 of the clamping element 18, viewed along an at least substantially perpendicular to the operating element pivot axis 96, is arranged at a distance relative to the clamping element 78 of the further clamping element 30.
  • the tensioning unit 16 is at an end stop of the further tensioning element 30 and the movement of the tensioning element 18 limited by the interaction of the link movement element 22 and the sliding block element 24 limited movement of the tensioning element 18 in an insertion state in which another already by means of the counter-clamping element 86 clamped end facing away from the sheet-like machining tool 12 between the jaw member 70 of the clamping element 18 and the jaw member 78 of the further clamping element 30 can be inserted ( Figure 5).
  • the operating element 26 is pivoted about the operating element pivot axis 96 in a direction opposite the movement out of the clamping position.
  • the tensioning element 18 is formed by the interaction of the sliding link element 22 designed as a slide track and, furthermore, as a slide pin
  • Gate movement element 24 moves in one of the tool holder 14 facing direction.
  • the jaw member 70 of the tension member 18 is moved in the direction of the jaw member 78 of the further tension member 30.
  • Guide portions 76 of the further clamping element 30 receiving guide recesses 80 limit.
  • the tensioning element 18 and the further tensioning element 30 are moved translationally by means of the linkage movement unit 20 along a distance of 6 mm in order to tension the sheet-like machining tool 12.
  • a tensile stress is generated in the sheet-like machining tool 12, which results in a tight abutment of the sheet-like machining tool 12 on the machining tool abutment surface 66 causes the tool holder 14.
  • the sheet-like machining tool 12 is here moved over a step-shaped shoulder of the tool holder 14 by means of the movement of the jaw member 70 of the clamping element 18 and the jaw member 78 of the further clamping element 30 at least substantially parallel to the machining tool contact surface 66.
  • the interaction of trained as a slide track link movement element 22 and further designed as a link pin link motion element 24 causes this movement of the clamping element 18 according to a, already known to a person skilled in the toggle principle.
  • a large force is generated for generating a tensile stress in the leaf-like
  • Machining tool 12 achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Gear Processing (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Connection Of Plates (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un dispositif de serrage pour machine-outil, destiné à fixer un outil en forme de lame (12) à un porte-outil (14) mobile de manière excentrique, comportant au moins une unité de serrage (16) qui présente au moins un élément de serrage (18) mobile. Il est proposé que le dispositif de serrage pour machine-outil présente au moins une unité de déplacement à coulisse (20) prévue pour déplacer l'élément de serrage (18) dans au moins un état de fonctionnement afin de produire une tension dans l'outil en forme de lame (12).
EP12755855.9A 2011-10-17 2012-09-04 Dispositif de serrage pour machine-outil Active EP2768629B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110084591 DE102011084591A1 (de) 2011-10-17 2011-10-17 Werkzeugmaschinenspannvorrichtung
PCT/EP2012/067162 WO2013056890A1 (fr) 2011-10-17 2012-09-04 Dispositif de serrage pour machine-outil

Publications (2)

Publication Number Publication Date
EP2768629A1 true EP2768629A1 (fr) 2014-08-27
EP2768629B1 EP2768629B1 (fr) 2015-11-18

Family

ID=46799240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12755855.9A Active EP2768629B1 (fr) 2011-10-17 2012-09-04 Dispositif de serrage pour machine-outil

Country Status (6)

Country Link
US (1) US10058972B2 (fr)
EP (1) EP2768629B1 (fr)
CN (1) CN103889654B (fr)
DE (1) DE102011084591A1 (fr)
RU (1) RU2617587C2 (fr)
WO (1) WO2013056890A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN106141842B (zh) * 2015-04-16 2019-08-20 苏州宝时得电动工具有限公司 平板砂光机底板组件及平板砂光机
RU176631U1 (ru) * 2017-05-04 2018-01-24 Общество С Ограниченной Ответственностью "Ди-Стар" Универсальное устройство для крепления приспособлений к угловой шлифовальной машине
DE102017214118A1 (de) * 2017-08-11 2019-02-14 Robert Bosch Gmbh Schnellspannvorrichtung für eine, insbesondere zumindest eine rotierend antreibbare Abtriebswelle aufweisende, tragbare Werkzeugmaschine, insbesondere Winkelschleifmaschine

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Also Published As

Publication number Publication date
US20140323019A1 (en) 2014-10-30
DE102011084591A1 (de) 2013-04-18
RU2617587C2 (ru) 2017-04-25
EP2768629B1 (fr) 2015-11-18
RU2014119767A (ru) 2015-12-10
WO2013056890A1 (fr) 2013-04-25
US10058972B2 (en) 2018-08-28
CN103889654B (zh) 2016-11-09
CN103889654A (zh) 2014-06-25

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