EP2161099B1 - Affûteuse - Google Patents

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Publication number
EP2161099B1
EP2161099B1 EP09011250A EP09011250A EP2161099B1 EP 2161099 B1 EP2161099 B1 EP 2161099B1 EP 09011250 A EP09011250 A EP 09011250A EP 09011250 A EP09011250 A EP 09011250A EP 2161099 B1 EP2161099 B1 EP 2161099B1
Authority
EP
European Patent Office
Prior art keywords
axis
spindle
grinding
workpiece
axes
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.)
Active
Application number
EP09011250A
Other languages
German (de)
English (en)
Other versions
EP2161099A2 (fr
EP2161099A3 (fr
Inventor
Hubert Ambros Reiser
Peter Erchinger
Hans-Dieter Braun
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.)
Haas Schleifmaschinen GmbH
Original Assignee
Haas Schleifmaschinen 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
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Application filed by Haas Schleifmaschinen GmbH filed Critical Haas Schleifmaschinen GmbH
Publication of EP2161099A2 publication Critical patent/EP2161099A2/fr
Publication of EP2161099A3 publication Critical patent/EP2161099A3/fr
Application granted granted Critical
Publication of EP2161099B1 publication Critical patent/EP2161099B1/fr
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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
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/34—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of turning or planing tools or tool bits, e.g. gear cutters
    • B24B3/343—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of turning or planing tools or tool bits, e.g. gear cutters of throw-away cutting bits
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs

Definitions

  • the plan sides of the cutting insert are first ground in a first step. Subsequently, the periphery is ground to give the insert its shape, and finally the contour, that is, the cutting edge profile of the inserts is ground.
  • the cutting plates are usually clamped between two rams aligned in a clamping axis, which have a controlled rotary drive in order to position the workpiece in the circumferential direction with respect to the grinding tool.
  • a grinding machine for circumferential and contour grinding of cutting inserts in which the cutting insert to be ground is clamped between tappets of a workpiece spindle which can be driven in rotation.
  • the workpiece spindle is pivotable about a workpiece spindle pivot axis perpendicular to its axis.
  • a rotationally drivable grinding spindle which carries a grinding tool embodied as a plane grinding wheel extends in the pivoting plane of the workpiece spindle and is movable in this plane in two mutually perpendicular linear axes.
  • a grinding machine according to the preamble of claim 1 is known, with which a 6-axis grinding machining is possible.
  • the grinding spindle carrying the grinding tool is moved numerically controlled in two linear axes, wherein the grinding spindle in addition to a grinding spindle axis perpendicular to the grinding spindle pivot axis is pivotable.
  • the workpiece can be clamped on a workpiece spindle, which can be driven in rotation about its workpiece spindle axis.
  • the workpiece spindle axis is pivotable about a workpiece spindle pivot axis intersecting this workpiece spindle axis and mounted on a carriage movable in the third linear axis.
  • the structure of this grinder is expensive. A conversion of the grinding machine for the processing of different workpieces is difficult.
  • the invention has for its object to provide a grinding machine for circumferential and contour grinding of workpieces, in particular of cutting inserts and indexable inserts available, which allows grinding in a single clamping of the workpiece and a flexible conversion for adaptation to different workpieces.
  • the grinding machine according to the invention is designed as a six-axis grinding machine.
  • the rotationally drivable grinding spindle, on which the grinding tool is clamped, and the workpiece spindle, which can be driven in rotation, on which the workpiece, in particular an insert or indexable insert can be tensioned, are movable numerically controlled in three linear axes relative to one another.
  • the workpiece clamping the workpiece exciting is controlled to rotate about its axis to the grinding tool with the various peripheral areas of To be able to engage workpieces.
  • the workpiece spindle is further controlled pivotable about a workpiece spindle pivot axis intersecting its axis, so that the grinding tool can descend the profile contour of the cutting plate.
  • the grinding spindle is also pivotable about a grinding spindle pivot axis as the third rotary axis, this grinding spindle pivot axis running transversely to the grinding spindle axis.
  • this third rotary axis it is possible to pivot the grinding spindle axis at an angle relative to the workpiece spindle, so that the axis of the grinding spindle and thus the axis of the rotating grinding tool intersects the pivot plane of the workpiece spindle.
  • the grinding tool can also be aligned with its axis of rotation in relation to the workpiece so that the grinding tool engages the workpiece parallel to the axis of the workpiece spindle and thus to the axis of the workpiece.
  • concave peripheral lines and concave contour surfaces of the workpiece can be ground without the workpiece has to be re-clamped.
  • the workpiece spindle and a servomotor which can be driven in rotation by said workpiece spindle are accommodated in a clamping device which can be mounted on the workpiece pivot spindle as a modular structural unit.
  • a clamping device which can be mounted on the workpiece pivot spindle as a modular structural unit.
  • a conventional grinding machine with an axis of rotation for the workpiece can be converted by means of the clamping device in a simple manner in a grinding machine with an additional workpiece rotation axis.
  • the modular design of the clamping device allows easy conversion of the grinding machine to adapt to different Workpieces, since all necessary for the clamping of the workpiece elements are arranged in the clamping device.
  • a clamping device is mounted on the workpiece pivot spindle 26, as in FIG. 4 is shown.
  • the clamping device is a self-contained unit that can be modularly mounted on the A-axis.
  • the tensioning device has a main body 30.
  • coupling means are mounted, with which the base body 30 can be fixedly connected to the workpiece pivot spindle 26.
  • the coupling means consist in the illustrated embodiment of a shaft taper 32 which is inserted into the receiving flange of the workpiece pivot spindle 26 and screwed thereto.
  • the main body 30 is thus controlled via the workpiece pivot spindle 26 pivotable about the A-axis.
  • a workpiece spindle is mounted in the main body 30.
  • a servo motor 34 is firmly received in the main body 30.
  • a counter-ram 38 is mounted, which is coaxially aligned with the motor shaft of the servomotor 34.
  • the counter-ram 38 can be numerically controlled by means of the servomotor 34 about its central axis, which is referred to as workpiece spindle axis, are rotated.
  • the servo motor 34 and the counter-ram 38 are arranged in the base body 30 so that the axis of the Jacobstö ⁇ els 38, ie the workpiece spindle axis orthogonally intersects the central axis of the shaft cone 32 and thus the A-axis. Accordingly, the workpiece spindle axis may also be referred to as a B axis, as shown in FIG FIG. 2 is indicated.
  • the workpiece namely the indexable insert 48
  • the workpiece is ground by means of the grinding wheel 22.
  • the grinding wheel 22 is delivered in the X-axis and the Z-axis, while a feed movement in the Y-axis via the table 14 can take place.
  • the clamping device is pivoted about the A-axis such that the workpiece spindle axis defined by the counter-ram 38 and the clamping ram 46 is horizontal, i. parallel to the Y-axis.
  • the circumference can now be ground by the counter-ram 38 is rotated by means of the servo motor 34 about the workpiece spindle axis.
  • the grinding spindle is pivoted about the C-axis so that it lies in the pivot plane of the workpiece spindle axis, ie in the YZ plane.
  • the grinding spindle can also be pivoted about the C axis to a position in which it is perpendicular to the pivot plane of the workpiece spindle axis, ie parallel to the X axis, as in FIG. 2 is shown.
  • the grinding movement runs perpendicular to the indexable insert and its circumferential direction. This also allows concave peripheral lines and contour surfaces to be ground.
  • the counter-ram 38 is shaped so that its diameter decreases conically from the end flanged to the shaft flange of the servomotor 34 against the end abutting the workpiece 48.
  • the plungers 38 and 46 on either side of the tensioned indexable insert 48 a small diameter, so that sufficient space is available to attack with the grinding wheel 22 on both sides of the insert 48 can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Disintegrating Or Milling (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Claims (5)

  1. Affûteuse pour meuler la périphérie et le contour de pièces, notamment de plaquettes de coupe et de plaquettes de coupe réversibles, comprenant :
    * une broche de meuleuse entraînée en rotation et sur laquelle se fixe un outil de meulage (22),
    * une broche porte-pièce (38, 46) entraînée en rotation, sur laquelle se fixe une pièce (48),
    * la broche de meuleuse et la broche porte-pièce (38, 46) étant mobiles de manière commandée suivant trois axes linéaires perpendiculaires (axe X, axe Y, axe Z),
    * la broche de meuleuse pouvant être pivotée autour d'un axe de pivotement (axe C) de la broche de meuleuse qui coupe l'axe de la broche de meuleuse, l'axe de pivotement étant parallèle à un axe linéaire (axe Z) et en pivotant, et
    * la broche porte-pièce (38, 46) pouvant être pivotée de manière commandée autour d'un axe de pivotement de broche porte-pièce (axe A) coupant à angle droit l'axe de la broche porte-pièce (axe B), l'axe de pivotement étant parallèle à un autre des axes linéaires (axe X),
    affûteuse caractérisée en ce que
    la broche porte-pièce (38, 46) et un servomoteur (34) pour son entraînement en rotation, sont montés sur un dispositif de serrage,
    - le dispositif de serrage est une unité modulaire avec des moyens de couplage qui se montent de manière solidaire sur la broche de pivotement (26) de la pièce, et
    - lorsque le dispositif de serrage est monté, l'axe de la broche porte-pièce (axe B), coupe à l'équerre l'axe de pivotement de la broche porte-pièce (axe A).
  2. Affûteuse selon la revendication 1,
    caractérisée en ce que
    la broche de l'affûteuse est montée dans un chariot (16) de manière à pivoter autour de l'axe de pivotement de la broche de meuleuse (axe C) le chariot étant mobile suivant deux axes linéaires (axe X et axe Z) perpendiculaires l'un à l'autre, et
    - la broche porte-pièce (38, 46) peut se déplacer suivant le troisième axe linéaire (axe X).
  3. Affûteuse selon la revendication 2,
    caractérisée en ce que
    - la broche porte-pièce (38, 46) est montée sur un plateau (14) mobile horizontalement (axe Y) sur le bâti de machine (10) de l'affûteuse, et
    - le chariot (116) est mobile dans une paroi arrière (12), verticale, du bâti (10) de la machine suivant les deux axes linéaires (axe X et axe Z).
  4. Affûteuse selon la revendication 3,
    caractérisée en ce que
    la broche de meuleuse est installée de manière suspendue en dessous du chariot (16).
  5. Affûteuse selon l'une des revendications précédentes,
    caractérisée en ce que
    la broche porte-pièce comporte deux poussoirs (38, 46) inclinés axialement l'un, par rapport à l'autre et sollicités par une force, et la pièce est serrée entre les deux poussoirs.
EP09011250A 2008-09-08 2009-09-02 Affûteuse Active EP2161099B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810046086 DE102008046086B4 (de) 2008-09-08 2008-09-08 Schleifmaschine

Publications (3)

Publication Number Publication Date
EP2161099A2 EP2161099A2 (fr) 2010-03-10
EP2161099A3 EP2161099A3 (fr) 2010-07-14
EP2161099B1 true EP2161099B1 (fr) 2011-04-13

Family

ID=41426256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09011250A Active EP2161099B1 (fr) 2008-09-08 2009-09-02 Affûteuse

Country Status (4)

Country Link
EP (1) EP2161099B1 (fr)
AT (1) ATE505297T1 (fr)
DE (2) DE102008046086B4 (fr)
ES (1) ES2361654T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI598185B (zh) * 2013-10-28 2017-09-11 永豐機械有限公司 引擎零件硏磨機的夾持裝置及其三點夾持結構、樞擺操控結構
CN104759949B (zh) * 2015-04-07 2017-03-01 台州瑞进机械有限公司 车辆变速器换挡挡块的精加工方法
CN104741991B (zh) * 2015-04-07 2017-02-01 台州瑞进机械有限公司 用于加工换挡挡块顶工作面的仿形磨床及其加工方法
DE102018006033B4 (de) * 2018-07-31 2020-04-23 Vollmer Werke Maschinenfabrik Gmbh Vorrichtung und Verfahren zum Bearbeiten eines Werkstücks, insbesondere eines mit Schneiden besetzten Werkstücks, mittels eines Schleif- oder Erodierwerkzeugs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115956A (en) * 1977-06-28 1978-09-26 S. E. Huffman Corporation Programmably controlled machine for grinding end cutting tools and the like
CH686349A5 (de) * 1992-02-10 1996-03-15 Agathon Ag Maschf Schleifmaschine zum Umfangs- und Fasenschleifen von Schneidplatten, insbesondere Wendeschneidplatten
DE4240063C2 (de) * 1992-11-28 1997-07-17 Rheinische Braunkohlenw Ag Verfahren zur thermischen Behandlung von Substanzen in einem Drehrohrofen
DE102006035845A1 (de) * 2006-08-01 2008-02-07 Erwin Junker Maschinenfabrik Gmbh Verfahren zum Schleifen einer Wendeschneidplatte und Schleifscheibe zur Durchführung des Schleifverfahrens

Also Published As

Publication number Publication date
DE102008046086B4 (de) 2015-05-07
ATE505297T1 (de) 2011-04-15
EP2161099A2 (fr) 2010-03-10
DE102008046086A1 (de) 2010-03-11
ES2361654T3 (es) 2011-06-21
DE502009000532D1 (de) 2011-05-26
EP2161099A3 (fr) 2010-07-14

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