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EP1249310A2 - Holding disc for flap grinding wheel - Google Patents

Holding disc for flap grinding wheel Download PDF

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Publication number
EP1249310A2
EP1249310A2 EP01122040A EP01122040A EP1249310A2 EP 1249310 A2 EP1249310 A2 EP 1249310A2 EP 01122040 A EP01122040 A EP 01122040A EP 01122040 A EP01122040 A EP 01122040A EP 1249310 A2 EP1249310 A2 EP 1249310A2
Authority
EP
European Patent Office
Prior art keywords
inner part
carrier plate
hub
internal thread
flap
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
EP01122040A
Other languages
German (de)
French (fr)
Other versions
EP1249310A3 (en
EP1249310B1 (en
Inventor
Josef Brandstetter
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.)
Jobra Metall GmbH
Original Assignee
Jobra Metall 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7955557&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1249310(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Jobra Metall GmbH filed Critical Jobra Metall GmbH
Publication of EP1249310A2 publication Critical patent/EP1249310A2/en
Publication of EP1249310A3 publication Critical patent/EP1249310A3/en
Application granted granted Critical
Publication of EP1249310B1 publication Critical patent/EP1249310B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
    • B24D9/08—Circular back-plates for carrying flexible material
    • 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

Definitions

  • a drive machine 12 a shaft 13 with an external thread 14. Furthermore, on the Shaft 13 a drive plate 15 plugged in the drive machines of this type for the various grinding wheels is provided.
  • a drive plate 15 plugged in the drive machines of this type for the various grinding wheels is provided.
  • the lamellar grinding wheel 1 screwed onto the shaft 13, which Internal thread 9 of the hub 7 of the flap disc 1 with the external thread 14 of the shaft 13 cooperates.
  • the back 10 of the inner part 3 comes into contact with the Driving plate 15, a shoulder 16 of this driving plate engages in the recess 11 of the carrier plate 2 in order a secure centering of the flap disc 1 on the Secure shaft 13 of engine 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

A backing plate for an abrasive flap wheel has a sunk inner part and an outer flange. The sunk inner part has a hub which is provided with a location hole having an internal thread. The internal thread serves to fasten the backing wheel to the threaded shaft of a driving machine.

Description

Die Erfindung bezieht sich auf einen Trägerteller für Lamellenschleifscheiben mit einem Innenteil mit einer Aufnahmebohrung für eine Welle einer Antriebsmaschine und einem Außenflansch für aufzuklebende Schleiflamellen.The invention relates to a carrier plate for flap discs with an inner part with a mounting hole for a shaft of a drive machine and an outer flange for abrasive flaps to be stuck on.

Es gibt bereits seit längerer Zeit Trägerteller für Lamellenschleifscheiben, die aus mit Kunststoff getränktem Fasermaterial bestehen und bei denen um die Aufnahmebohrung herum eine Blechverstärkung vorgesehen ist. Diese verhältnismäßig dünnen Trägerteller werden auf die mit Gewinde versehene Welle einer Antriebsmaschine aufgesteckt und mit einer Mutter festgeschraubt. Die gleiche Befestigungsart liegt auch bei Lamellenschleifscheiben vor, bei denen die Trägerteller aus gespritztem Kunststoff bestehen. Auch dort ist im Innenteil nur eine Aufnahmebohrung vorgesehen, so daß eine Befestigung an der Maschine mittels Mutter notwendig ist.Backing plates for flap discs have been around for a long time, those made of fiber-soaked plastic exist and those around the location hole a sheet metal reinforcement is provided. This is proportionate thin carrier plates are threaded onto the Shaft of a drive machine plugged in and with a nut screwed. The same type of attachment is also used for flap discs before, where the backing plate is made of sprayed Plastic. Even there is only inside a receiving hole is provided so that an attachment to the machine with a nut is necessary.

Eine solche Befestigungsart ist zeitaufwendig, weil bei einem Scheibenwechsel die Mutter gelöst und abgeschraubt, die neue Scheibe aufgesteckt und die Mutter wieder erneut aufgeschraubt werden muß. Außerdem besteht die Gefahr, daß die Mutter herunterfällt oder gar verlorengeht, was den Zeitaufwand noch wesentlich vergrößert.Such a type of attachment is time consuming, because with one Disc change the nut loosened and unscrewed, the new one Put on the washer and screw the nut back on must become. There is also a risk that the Mother falls down or is even lost, which takes up the time still significantly enlarged.

Aufgabe der Erfindung ist es, einen Trägerteller für Lamellenschleifscheiben der weiter oben angegebenen Art so auszugestalten, daß eine rasche und trotzdem sichere Befestigungsmöglichkeit der Lamellenschleifscheiben an der Antriebsmaschine möglich ist.The object of the invention is to provide a support plate for flap discs of the kind specified above, that a quick yet secure attachment option of the flap grinding wheels on the drive machine is possible.

Diese Aufgabe wird bei einem Trägerteller für Lamellenschleifscheiben der eingangs erläuterten Art erfindungsgemäß dadurch gelöst, daß das Innenteil mit einer Nabe ausgebildet ist, die ein Innengewinde für die mit Gewinde versehene Welle der Arbeitsmaschine aufweist.This task is carried out on a carrier plate for flap discs of the type described at the outset according to the invention solved that the inner part is formed with a hub, which is an internal thread for the threaded shaft of the Has working machine.

Aufgrund dieser Ausgestaltung ist es möglich, die Lamellenschleifscheibe in einfacher Weise auf die mit Gewinde versehene Welle der Antriebsmaschine aufzuschrauben, ohne eine Sicherung mit einer zusätzlichen Mutter vornehmen zu müssen. Die vorgesehene Drehrichtung der Antriebsmaschine verläuft im Sinne eines Festziehens der Lamellenschleifscheibe bei einem Arbeitseingriff bei einem Werkstück. Andererseits ist es aufgrund des verhältnismäßig großen Durchmessers der Lamellenschleifscheibe möglich, diese von Hand zu lösen ohne ein Werkzeug zu benötigen, was bei der Befestigung mittels der Mutter notwendig war.Due to this configuration, it is possible to use the flap disc in a simple way on the threaded Unscrew the shaft of the drive machine without one To have to secure with an additional mother. The intended direction of rotation of the drive machine runs in the sense of tightening the flap grinding wheel during a work intervention on a workpiece. On the other hand it due to the relatively large diameter of the Flap disc can be loosened by hand without to need a tool, which when fastening by means of the Mother was necessary.

In vorteilhafter Weiterbildung der Erfindung ist vorgesehen, daß die Nabe über die vertiefte Oberfläche des Trägertellers hervorstehend ausgebildet ist und eine Länge aufweist, die im wesentlichen dem Abstand zwischen der Oberfläche des Außenflansches und der Oberfläche des vertieften Innenteils entspricht.In an advantageous development of the invention, that the hub over the recessed surface of the carrier plate is protruding and has a length which in essentially the distance between the surface of the Outer flange and the surface of the recessed inner part equivalent.

Um eine sichere Befestigung zu erzielen, ist es vorteilhaft, wenn das Innengewinde sich über die gesamte Länge der Nabe erstreckt. Dabei ist es vorteilhaft, wenn das Innengewinde mindestens zwei Gewindegänge aufweist. In order to achieve a secure attachment, it is advantageous if the internal thread extends over the entire length of the hub extends. It is advantageous if the internal thread has at least two threads.

Die Erfindung wird nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. In der Zeichnung zeigen:

Figur 1:
einen Schnitt durch eine erfindungsgemäße Lamellenschleifscheibe; und
Figur 2:
eine Lamellenschleifscheibe im Schnitt in Verbindung mit einer Antriebsmaschine.
The invention is explained below with reference to an embodiment shown in the drawing. The drawing shows:
Figure 1:
a section through a lamellar grinding wheel according to the invention; and
Figure 2:
a lamellar grinding wheel in section in connection with a drive machine.

Die in der Zeichnung im Schnitt dargestellte Lamellenschleifscheibe 1 weist einen Trägerteller 2 auf, der ein abgesenktes Innenteil 3 und einen Außenflansch 4 umfaßt. An der Flanschvorderseite 5 des Außenflansches sind Schleiflamellen 6 in jeweils teilweise überlappender Form angeordnet, wie dies für Lamellenschleifscheiben dieser Art typisch ist. Die Schleiflamellen 6 sind durch Kleben befestigt. Das abgesenkte Innenteil 3 weist eine zur Vorderseite 3a, d.h. zur Seite der Schleiflamellen vorspringende Nabe 7 auf, die mit einer Aufnahmebohrung 8 und einem Innengewinde 9 versehen ist. An der Rückseite 10 des Innenteils 3 ist eine absatzartige Vertiefung 11 vorgesehen.The lamellar grinding disc shown in section in the drawing 1 has a carrier plate 2, which is a lowered Inner part 3 and an outer flange 4 comprises. On the front of the flange 5 of the outer flange are grinding flaps 6 in each partially overlapping shape arranged as for Flap discs of this type is typical. The grinding flaps 6 are attached by gluing. The lowered inner part 3 faces one to the front 3a, i.e. to the side of the grinding flaps projecting hub 7 with a mounting hole 8 and an internal thread 9 is provided. At the back 10 of the inner part 3 is a shoulder-like depression 11 intended.

Wie aus Figur 2 ersichtlich, weist eine Antriebsmaschine 12 eine Welle 13 mit Außengewinde 14 auf. Weiterhin ist auf die Welle 13 eine Mitnehmerscheibe 15 aufgesteckt, die bei Antriebsmaschinen dieser Art für die verschiedenen Schleifscheiben vorgesehen ist. Entsprechend Figur 2 ist die Lamellenschleifscheibe 1 auf die Welle 13 aufgeschraubt, wobei das Innengewinde 9 der Nabe 7 der Lamellenschleifscheibe 1 mit dem Außengewinde 14 der Welle 13 zusammenwirkt. Dabei kommt die Rückseite 10 des Innenteiles 3 zur Anlage an die Mitnehmerscheibe 15, wobei ein Absatz 16 dieser Mitnehmerscheibe in die Vertiefung 11 des Trägertellers 2 eingreift, um eine sichere Zentrierung der Lamellenschleifscheibe 1 auf der Welle 13 der Antriebsmaschine 12 zu sichern. Die Nabe 7 weist eine überstehende Länge über die Oberfläche 3a des Innenteiles 3 auf, die dem Abstand 17 zwischen der Oberfläche 3a des Innenteiles 3 und der Flanschvorderseite 5 des Außenflansches 4 entspricht. Damit ist die Nabe 7 in Verbindung mit der Wanddicke des Innenteils 3 des Trägertellers 2 lang genug und mit genügend Gewindegängen versehen, um fest auf die Welle 13 der Antriebsmaschine 12 aufgeschraubt werden zu können.As can be seen from FIG. 2, a drive machine 12 a shaft 13 with an external thread 14. Furthermore, on the Shaft 13 a drive plate 15 plugged in the drive machines of this type for the various grinding wheels is provided. According to Figure 2 is the lamellar grinding wheel 1 screwed onto the shaft 13, which Internal thread 9 of the hub 7 of the flap disc 1 with the external thread 14 of the shaft 13 cooperates. there the back 10 of the inner part 3 comes into contact with the Driving plate 15, a shoulder 16 of this driving plate engages in the recess 11 of the carrier plate 2 in order a secure centering of the flap disc 1 on the Secure shaft 13 of engine 12. The hub 7 has a protruding length over the surface 3a of the inner part 3 on the distance 17 between the surface 3a of the Inner part 3 and the flange front 5 of the outer flange 4 corresponds. So that the hub 7 in connection with the Wall thickness of the inner part 3 of the carrier plate 2 long enough and provided with enough threads to firmly on the shaft 13 of the drive machine 12 can be screwed on.

Claims (4)

Trägerteller für Lamellenschleifscheiben mit einem Innenteil mit einer Aufnahmebohrung für eine Welle einer Antriebsmaschine und einem Außenflansch für aufzuklebende Schleiflamellen, dadurch gekennzeichnet, daß das Innenteil (3) mit einer Nabe (7) ausgebildet ist, die ein Innengewinde (9) für die mit Gewinde (14) versehene Welle (13) der Antriebsmaschine (12) aufweist.Carrier plate for flap grinding wheels with an inner part with a receiving bore for a shaft of a drive machine and an outer flange for grinding flaps to be glued, characterized in that the inner part (3) is formed with a hub (7) which has an internal thread (9) for the thread ( 14) provided shaft (13) of the drive machine (12). Trägerteller nach Anspruch 1, dadurch gekennzeichnet, daß die Nabe (7) über die vertiefte Oberfläche (3a) des Trägertellers (2) hervorstehend ausgebildet ist und eine Länge aufweist, die im wesentlichen dem Abstand (17) zwischen der Oberfläche (5) des Außenflansches (4) und der Oberfläche (3a) des vertieften Innenteiles (3) entspricht.Carrier plate according to claim 1, characterized in that the hub (7) is designed to protrude above the recessed surface (3a) of the carrier plate (2) and has a length which is essentially the distance (17) between the surface (5) of the outer flange (4) and the surface (3a) of the recessed inner part (3) corresponds. Trägerteller nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Innengewinde (9) sich über die gesamte Länge der Nabe (7) erstreckt.Carrier plate according to claim 1 or 2, characterized in that the internal thread (9) extends over the entire length of the hub (7). Trägerteller nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Innengewinde (9) mindestens zwei Gewindegänge aufweist.Carrier plate according to one of claims 1 to 3, characterized in that the internal thread (9) has at least two threads.
EP01122040A 2001-04-09 2001-09-13 Holding disc for flap grinding wheel Expired - Lifetime EP1249310B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20106228U DE20106228U1 (en) 2001-04-09 2001-04-09 Carrier plate for flap discs
DE20106228U 2001-04-09

Publications (3)

Publication Number Publication Date
EP1249310A2 true EP1249310A2 (en) 2002-10-16
EP1249310A3 EP1249310A3 (en) 2003-06-11
EP1249310B1 EP1249310B1 (en) 2005-04-27

Family

ID=7955557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01122040A Expired - Lifetime EP1249310B1 (en) 2001-04-09 2001-09-13 Holding disc for flap grinding wheel

Country Status (6)

Country Link
US (1) US6712683B2 (en)
EP (1) EP1249310B1 (en)
AT (1) ATE294049T1 (en)
CA (1) CA2361269C (en)
DE (2) DE20106228U1 (en)
ES (1) ES2181610T1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6910962B2 (en) * 2001-11-06 2005-06-28 Daniel Marks Electronic game and method for playing a game based upon removal and replacing symbols in the game matrix
DE102007047131B4 (en) 2007-10-02 2018-09-06 Gerd Eisenblätter Gmbh Rotationally symmetric grinding or polishing disc and threaded insert for this purpose
TWM339970U (en) * 2007-10-19 2008-09-11 Jin-Sheng Yang Electro-optical handgrip structure
US8430725B2 (en) * 2008-12-19 2013-04-30 Jovan Pajovic Abrasive disc construction
JP5686338B2 (en) * 2009-12-22 2015-03-18 日鉄住金防蝕株式会社 Rotary grinding tool and manufacturing method thereof
DE102010008407A1 (en) * 2010-02-18 2011-08-18 Klingspor AG, 35708 Rotation disk for processing material surfaces
US8512098B1 (en) * 2010-09-28 2013-08-20 Jeffrey Bonner Machining technique using a plated superabrasive grinding wheel on a swiss style screw machine
DE202012100088U1 (en) 2012-01-11 2012-02-27 Jobra Gmbh Support plate for lamella grinding wheels
DE202012100332U1 (en) 2012-01-20 2012-03-05 Jobra Gmbh Carrier plate with drive plate for lamella grinding wheels
DE202012100329U1 (en) 2012-02-01 2012-03-05 Jobra Gmbh Driving disc for grinding wheels
CN107206567B (en) * 2014-11-23 2020-12-29 M丘比德技术公司 Wafer pin chuck manufacture and repair

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0542693A1 (en) 1991-10-29 1993-05-19 TAF S.r.l. Abrasive disc for lapping machines with improved locking means
DE69700374T4 (en) 1996-06-28 2000-04-06 Lam-Plan S.A. Polishing disc carrier and polishing process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541205A (en) * 1983-04-08 1985-09-17 United Abrasives, Inc. Abrasive wheel assembly
US4694615A (en) * 1986-04-03 1987-09-22 Mackay Joseph H Jun Disposable depressed center grinding wheel having an integral mounting hub
EP0566761B1 (en) * 1992-04-22 1997-08-20 DIPL.-ING. GUENTER WENDT GmbH Flapsanding disc
US5951389A (en) * 1995-10-23 1999-09-14 Weiler Corporation Drive system for small diameter abrasive discs
JP3958387B2 (en) * 1996-07-19 2007-08-15 スリーエム カンパニー Disc holder
US5964006A (en) * 1997-01-13 1999-10-12 3M Innovative Properties Company Rotary surface treatment tool
US6044512A (en) * 1997-05-19 2000-04-04 Lake Country Manufacturing, Inc. Foam buffing pad and method of manufacture thereof
JP2000210875A (en) * 1999-01-20 2000-08-02 Niyuurejisuton Kk Rotary grinder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0542693A1 (en) 1991-10-29 1993-05-19 TAF S.r.l. Abrasive disc for lapping machines with improved locking means
DE69700374T4 (en) 1996-06-28 2000-04-06 Lam-Plan S.A. Polishing disc carrier and polishing process

Also Published As

Publication number Publication date
DE50106031D1 (en) 2005-06-02
CA2361269A1 (en) 2002-10-09
EP1249310A3 (en) 2003-06-11
ES2181610T1 (en) 2003-03-01
EP1249310B1 (en) 2005-04-27
US20020146974A1 (en) 2002-10-10
US6712683B2 (en) 2004-03-30
CA2361269C (en) 2005-10-25
ATE294049T1 (en) 2005-05-15
CA2361269F (en) 2002-10-09
DE20106228U1 (en) 2001-06-28

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