EP1343614B1 - "anordnung zum lösbaren befestigen einer schleifscheibe oder eines schleifscheibenpakets an einer schleifspindel" - Google Patents

"anordnung zum lösbaren befestigen einer schleifscheibe oder eines schleifscheibenpakets an einer schleifspindel" Download PDF

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Publication number
EP1343614B1
EP1343614B1 EP01271989A EP01271989A EP1343614B1 EP 1343614 B1 EP1343614 B1 EP 1343614B1 EP 01271989 A EP01271989 A EP 01271989A EP 01271989 A EP01271989 A EP 01271989A EP 1343614 B1 EP1343614 B1 EP 1343614B1
Authority
EP
European Patent Office
Prior art keywords
grinding
wheel
spindle
grinding wheel
retaining shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01271989A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1343614A1 (de
Inventor
Fritz Kötting
Ansgar Schmitz
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.)
Pro Laser Weco GmbH
Original Assignee
Pro Laser Weco 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 Pro Laser Weco GmbH filed Critical Pro Laser Weco GmbH
Publication of EP1343614A1 publication Critical patent/EP1343614A1/de
Application granted granted Critical
Publication of EP1343614B1 publication Critical patent/EP1343614B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools

Definitions

  • the invention relates to an arrangement for releasably attaching a grinding wheel or of a grinding wheel package on a grinding spindle for one Spectacle edge grinding machine, such as that described in DE 195 27 222 C2 Applicant is described.
  • a similar arrangement according to the preamble of the claim 1 is known from US 3,894,361 A.
  • Grinding wheels or grinding wheel packages are mainly on a grinding spindle releasably attached so that they can be replaced when they are worn out or if they are to be exchanged for different machining operations.
  • Grinding disks for spectacle lens edge grinding machines are usually with a cylindrical Area and a groove area to initially shape a lens to be ground to pre-process the cylindrical area and then one using the groove area Grind the roof facet to the circumference of the molded lens.
  • Become frequent Grinding wheel packages consisting of, for example, three grinding wheels, one of which is used Grinding wheel for processing plastic glasses, a cylindrical grinding wheel for Pre-grinding of glasses made of silicate glass and a grinding wheel with a faceted groove are provided for finishing and grinding a facet.
  • the grinding spindle and grinding wheels are all in one on the spectacle lens edge grinding machine Lockable grinding chamber arranged on all sides because of the abrasion that occurs during grinding should not get outside and usually a coolant-lubricant in the grinding area is injected between the grinding wheel and the lens, which also does not follow should get outside.
  • This grinding chamber is kept as small as possible, but is common in addition, a splash guard is arranged closely around the grinding wheels, which only supports the Leaves grinding area free and has areas designed as tactile shoes to which Raw glass and / or the shape-ground spectacle lens is placed in order to measure it.
  • This sleeve carries the Grinding wheels and centered them while clamping with the grinding spindle a holding disc is made, the diameter of which is larger than the diameter of the sleeve and which can be screwed to the grinding wheel holding shaft and thereby the Grinding wheels clamped with the grinding spindle.
  • the invention is based on the problem, the assembly and disassembly of Grinding wheels or grinding wheel packages on grinding spindles in confined spaces in the axial direction and to ensure improved concentricity.
  • an arrangement for releasably attaching a Grinding wheel or a grinding wheel package on a grinding spindle for one Spectacle lens edge grinding machine proposed, according to the invention, an axial Slidably arranged in a coaxial bore of the grinding spindle retractable into the grinding spindle by at least the width of a grinding wheel Grinding wheel holder is present on which a grinding wheel or a Grinding wheel package sits directly and without play, and at the free end there is one Can hold the washer releasably, with clamping elements between the grinding spindle and the grinding wheel holding shaft the axial tensioning and loosening of the grinding wheel or Grinding wheel package between the grinding spindle and the holding wheel and retraction of the grinding wheel holding shaft by at least the width of a grinding wheel in the Ensure grinding spindle inside.
  • the grinding wheel or that sits Grinding wheel package directly and without play on the grinding wheel holder shaft so that the Double tolerance between the grinding wheel holding shaft and the sleeve according to the status the technology is eliminated.
  • the bracing the grinding wheel or the grinding wheel package between the grinding spindle and the Holding disc by moving the grinding wheel shaft inside the grinding spindle solved in the direction of the grinding wheel or the grinding wheel package, after which the Remove the holding wheel from the grinding wheel holder without using a tool leaves.
  • the grinding wheel holding shaft is inside the grinding spindle in opposite direction so far that its free end the grinding wheel or fully releases at least one grinding wheel of a grinding wheel package and itself this without axial displacement from the area of the grinding spindle out of the grinding chamber can be removed.
  • a grinding wheel or a grinding wheel package is reversed in an analogous manner.
  • the new grinding wheel or the Grinding wheel package with retracted grinding wheel holding shaft in the area of The grinding spindle is positioned in the grinding chamber, the grinding wheel holding shaft is removed from the The grinding spindle is pulled out through the mounting hole in the grinding wheel or in the Grinding wheel package passed through, the holding disc is at the free end of the Grinding wheel holding shaft attached, and the grinding wheel holding shaft is in opposite direction for bracing the grinding wheel or the Grinding wheel package moved between the grinding spindle and the holding wheel.
  • the holding disc can, for example, with the free end of the grinding wheel holding shaft by means of a push-through screw or by means of one connected to the holding disc Set screw to be screwed without having to loosen this screw connection special tool is required because the grinding of the grinding wheel or Grinding wheel package between the grinding spindle and the holding wheel by axial Moving the grinding wheel holding shaft takes place and the screwing of the After the tension has been released, the holding disc can be turned freely.
  • the holding disc can also be connected to the free end of the Schleuschibenhalteschafts be connected in the manner of a bayonet connection. Also in this case, the holding wheel can be released from the grinding wheel holding shaft without assistance of a tool, while loosening under tension is impossible.
  • the clamping elements between the grinding spindle and the grinding wheel holder shaft can from a threaded connection between the grinding wheel holding shaft and the Grinding spindle exist.
  • the grinding spindle can be drilled by hand using a suitable handle, a tool may then be required for clamping.
  • a Cap screw for moving and tightening the grinding wheel holding shaft can be For example, use a key for the hexagon socket.
  • the drawing shows a section of a spectacle lens edge grinding machine in the Cross section with a grinding wheel package on a grinding spindle.
  • a grinding wheel package consisting of a grinding wheel 1 for plastic with a slip ring 2 made of metal, in which diamond abrasives are bound metallic, a coarse grinding wheel for silicate glass with a slip ring 4, also made of metal, in the diamond abrasive are metallically bound, and a fine grinding wheel 5 with an identical design
  • Slip ring 6 the one facet groove 7 for grinding a roof facet on the circumference a shape-ground spectacle lens, sits on a grinding wheel hat shaft 13, which is closely fitted into a bore 11 of the grinding spindle 9.
  • the grinding wheel holder shaft 13 has a threaded bore 14 and coaxially with a cylindrical bore 15 with a slightly larger diameter. Starting from the free end in the Grinding wheel holder shaft 13 diametrically opposite, angled slots 16 for one Bayonet bracket described below incorporated.
  • a cap screw 17 In the threaded bore 14 is a cap screw 17 with a head 18 with a hexagon socket screwed.
  • the head 18 is supported on the grinding spindle 9 via a flange bushing 19, into which the flange bushing 19 is glued.
  • a Holding disc 20 For bracing the grinding wheel package 1, 3, 5 with the grinding spindle 9 is a Holding disc 20 with its cylindrical extension 21, on which there are radial pins 22, inserted into the bore 15 so that the radial pin 22 on the cylindrical extension 21 in the angled slots 16 arrive and by rotation the already mentioned Form a bayonet connection.
  • a compression spring 23 is supported between the cylindrical Extension 21 and a shoulder at the end of the bore 15 in the grinding wheel holding shaft 13 from. Now the head screw 17 is turned in the sense that the grinding wheel holding shaft 13 is pulled into the bore 11 of the grinding spindle 9, the holding disc 20 to abut the grinding wheel package 1, 3, 5 and brace it via a support wheel 12 with the grinding spindle 9.
  • the head screw 17 is rotated in the opposite direction until it in the position shown arrives. Thereafter, the holding disc 20 can be easily removed. Then the grinding wheel holding shaft 13 by turning the head screw 17 in the direction, which also serves for clamping, pulled so far into the grinding spindle 9 that the end of the grinding wheel holding shaft 13 from the receiving bore of the grinding wheel 5 is led out, this can be done in the radial direction from the area of Remove the grinding wheel holding shaft 13.
  • the grinding wheel holding shaft 13 can also be pulled into the grinding spindle 9 as far as that the grinding wheel package 1, 3, 5 can be removed as a whole in the radial direction.
  • the grinding wheel holding shaft 13 can also directly into a corresponding threaded hole of the grinding spindle 9 may be screwed in.
  • the grinding wheel holding shaft 13 preferably up to the area of the Embodiment with head screw 17 shown collar bushing 19 from the grinding spindle 9 led out and can be provided here with a handwheel with which the Grinding wheel holder shaft 13 can rotate in the grinding spindle 9.
  • the cap screw 17 can be designed as a threaded spindle that can be rotated by means of an electric motor drive.
  • a similar drive can also be used the embodiment in which the grinding wheel holding shaft 13 directly into the grinding spindle 9 is screwed in, be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP01271989A 2000-12-22 2001-11-30 "anordnung zum lösbaren befestigen einer schleifscheibe oder eines schleifscheibenpakets an einer schleifspindel" Expired - Lifetime EP1343614B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10064163 2000-12-22
DE10064163A DE10064163C2 (de) 2000-12-22 2000-12-22 Anordnung zum lösbaren Befestigen einer Schleifscheibe oder eines Schleifscheibenpakets an einer Schleifspindel
PCT/EP2001/014002 WO2002051588A1 (de) 2000-12-22 2001-11-30 "anordnung zum lösbaren befestigen einer schleifscheibe oder eines schleifscheibenpakets an einer schleifspindel"

Publications (2)

Publication Number Publication Date
EP1343614A1 EP1343614A1 (de) 2003-09-17
EP1343614B1 true EP1343614B1 (de) 2004-10-13

Family

ID=7668376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01271989A Expired - Lifetime EP1343614B1 (de) 2000-12-22 2001-11-30 "anordnung zum lösbaren befestigen einer schleifscheibe oder eines schleifscheibenpakets an einer schleifspindel"

Country Status (5)

Country Link
US (1) US6966824B2 (es)
EP (1) EP1343614B1 (es)
DE (1) DE10064163C2 (es)
ES (1) ES2230237T3 (es)
WO (1) WO2002051588A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11806857B2 (en) 2020-08-28 2023-11-07 Black & Decker, Inc. Airflow intake configuration in power tool

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29823614U1 (de) * 1997-10-24 1999-09-16 Storrer Freimut Vorrichtung zum Schleifen und/oder Polieren
DE10361810A1 (de) * 2003-12-30 2005-07-28 Robert Bosch Gmbh Handwerkzeugmaschine mit Spanneinrichtung
US8206614B2 (en) * 2008-01-18 2012-06-26 Shocking Technologies, Inc. Voltage switchable dielectric material having bonded particle constituents
US20110028074A1 (en) * 2009-08-03 2011-02-03 Canon Kabushiki Kaisha Polishing method for a workpiece and polishing tool used for the polishing method
DE102011051938A1 (de) * 2011-07-19 2013-01-24 Flex-Elektrowerkzeuge Gmbh Werkzeugaufnahmevorrichtung, Werkzeugaufnahmevorrichtung-Werkzeug-Kombination und Werkzeugmaschine
WO2014176202A1 (en) * 2013-04-25 2014-10-30 Saint-Gobain Abrasives, Inc. Grinding and polishing tool
WO2020106419A1 (en) * 2018-11-19 2020-05-28 Corning Research & Development Corporation Method and apparatus for forming a convex end face in a ferrule
US11577365B2 (en) * 2019-04-05 2023-02-14 Honda Motor Co., Ltd. Systems and methods of processing a rotatable assembly
TWI723874B (zh) * 2020-05-14 2021-04-01 山立工業股份有限公司 砂光機頭防落裝置

Family Cites Families (19)

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US2244057A (en) * 1938-08-12 1941-06-03 Lidkopings Mek Verkst S Aktieb Supporting means for grinding wheels
US3269271A (en) * 1964-06-25 1966-08-30 Bruckner Karl Georg Mounting and centering device for milling cutters
US3894361A (en) * 1974-09-03 1975-07-15 Dimelp Optical Co Inc Lens grinding machine
GB2071567A (en) 1980-03-14 1981-09-23 Eco Wheel Co Ltd Spindle assembly
DE3346148A1 (de) * 1983-12-21 1985-07-04 C. & E. Fein Gmbh & Co, 7000 Stuttgart Vorrichtung zum loesbaren befestigen vorzugsweise einer schleifscheibe an einem kraftgetriebenen handwerkzeug
DE3644441A1 (de) * 1986-12-24 1988-07-07 Bosch Gmbh Robert Spanneinrichtung zum loesbaren befestigen eines werkzeuges, insbesondere einer scheibe
GB8700066D0 (en) 1987-01-05 1987-02-11 Brain Power International Lens edging machine
DE3702142C2 (de) * 1987-01-24 1995-09-21 Bosch Gmbh Robert Spanneinrichtung zum axialen Festspannen eines Werkzeuges, insbesondere eines als Scheibe ausgestalteten spanenden Werkzeuges
DE8813580U1 (es) * 1988-10-28 1989-01-05 Michael Weinig Ag, 6972 Tauberbischofsheim, De
DE3902874A1 (de) * 1989-02-01 1990-08-09 Fein C & E Adapter zum befestigen eines zusatzwerkzeugs
DE59101383D1 (de) * 1991-01-16 1994-05-19 Fein C & E Tragbare Schleifmaschine mit Schnellspanneinrichtung.
DE4200365A1 (de) * 1992-01-09 1993-07-15 Mengeringhausen Nachf Gmbh & C Vorrichtung zur automatischen zentralbefestigung von rotationsteilen
FR2698032B1 (fr) * 1992-11-16 1995-10-06 Metabowerke Gmbh Dispositif de serrage rapide destine au serrage axial d'un outil en forme de disque.
DE4309321C2 (de) * 1993-03-23 1997-07-10 Guehring Joerg Dr Anordnung zur zentrierten und axial fixierten Aufnahme eines rotierenden Körpers und zugehöriger Adapter
SE506309C2 (sv) * 1993-05-19 1997-12-01 Atlas Copco Tools Ab Monteringsanordning för slipskivor
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DE4336620C2 (de) * 1993-10-27 1997-07-03 Fein C & E Elektrowerkzeug mit einer nur bei ausgeschaltetem Motor betätigbaren Spannvorrichtung
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US5718621A (en) * 1996-09-11 1998-02-17 Turley; Edward Michael Reversible angle grinder with top arbour lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11806857B2 (en) 2020-08-28 2023-11-07 Black & Decker, Inc. Airflow intake configuration in power tool

Also Published As

Publication number Publication date
DE10064163C2 (de) 2003-04-17
ES2230237T3 (es) 2005-05-01
US20040063389A1 (en) 2004-04-01
EP1343614A1 (de) 2003-09-17
US6966824B2 (en) 2005-11-22
DE10064163A1 (de) 2002-07-11
WO2002051588A1 (de) 2002-07-04

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