ES2300725T3 - DEVICE THAT INTEGRATES AN ABRASIVE DISK FOR A PORTABLE ELECTRIC RECTIFIER. - Google Patents
DEVICE THAT INTEGRATES AN ABRASIVE DISK FOR A PORTABLE ELECTRIC RECTIFIER. Download PDFInfo
- Publication number
- ES2300725T3 ES2300725T3 ES04356090T ES04356090T ES2300725T3 ES 2300725 T3 ES2300725 T3 ES 2300725T3 ES 04356090 T ES04356090 T ES 04356090T ES 04356090 T ES04356090 T ES 04356090T ES 2300725 T3 ES2300725 T3 ES 2300725T3
- Authority
- ES
- Spain
- Prior art keywords
- abrasive
- disk
- integrates
- portable electric
- microperforations
- 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
Links
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 claims description 3
- 239000006061 abrasive grain Substances 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
- B24D13/147—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising assemblies of felted or spongy material; comprising pads surrounded by a flexible material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
Dispositivo que integra un disco abrasivo para una rectificadora eléctrica portátil.Device that integrates an abrasive disk for A portable electric grinder.
El invento hace referencia al sector técnico de la rectificadoras portátiles y a los discos abrasivos que se adaptan a las mismas.The invention refers to the technical sector of the portable grinders and abrasive discs that adapt to them.
De acuerdo con la técnica anterior, representada en la figura 1, la rectificadora o esmeriladora portátil consta, encima de la parte motriz, de una campana (1) con una abertura axial para el paso de un eje de tracción (no representado). Esta campana presenta, en su periferia, una fila de cerdas (2) de estanqueidad que se apoyan sobre la parte de material a rectificar. La campana presenta, en su cara posterior (1a), un conducto (1b) que permite la fijación de un tubo flexible de aspiración, no representado, y medios en voladizo (1c) para el anclaje de la rectificadora eléctrica portátil. La campana recibe un primer subconjunto (A), que incluye una almohadilla de espuma (3) y un disco (4), cuya cara expuesta (4a) está fabricada con medios autoadhesivos de los conocidos bajo la marca VELCRO, constituyendo dicha cara expuesta la parte macho de la fijación. La unión del disco y de la almohadilla se efectúa por medio de una capa adhesiva (5) dispuesta de forma regular haciendo interfaz entre el disco y la almohadilla.According to the prior art, represented in figure 1, the portable grinder or grinder consists, above the driving part of a bell (1) with an axial opening for the passage of a traction shaft (not shown). This campaign presents, on its periphery, a row of bristles (2) of tightness that rely on the part of material to be rectified. The bell it presents, in its rear face (1a), a conduit (1b) that allows fixing a flexible suction tube, not shown, and cantilever means (1c) for anchoring the grinding machine portable electric The bell receives a first subset (A), which includes a foam pad (3) and a disc (4), whose face exposed (4a) is manufactured with self-adhesive means of known under the VELCRO brand, said exposed face constituting the male part of the fixation. The union of the disc and the pad is carried out by means of an adhesive layer (5) arranged in a way regulate making interface between the disk and the pad.
El segundo subconjunto (B), que está unido y fijado al primer subconjunto, está constituido por el propio disco abrasivo (6), que también está fijado de forma adhesiva (7) de acuerdo con una capa adaptada a un disco (8) cuya cara expuesta (8a) está constituida por medios autoadhesivos del tipo VELCRO, constituyendo la parte hembra de la fijación. De este modo, dicha parte (8a) se une por enganche al primer subconjunto (A), a la parte macho (4a) formada en el disco (4). De esta manera, los dos subconjuntos (A-B) se encuentran en el interior de la campana mencionada anteriormente. En la figura 1 se ha representando este conjunto de acuerdo con la técnica anterior.The second subset (B), which is attached and fixed to the first subset, it is constituted by the disk itself abrasive (6), which is also adhesively fixed (7) of according to a layer adapted to a disc (8) whose exposed face (8a) is constituted by self-adhesive means of the VELCRO type, constituting the female part of the fixation. Thus, said part (8a) is attached by hook to the first subset (A), to the male part (4a) formed in the disk (4). In this way, the two subsets (A-B) are located inside the bell mentioned above. Figure 1 has representing this set according to the prior art.
El problema planteado reside en la evacuación de las partículas abrasivas y de los materiales que surgen como consecuencia del funcionamiento de la rectificadora. De hecho, se constata una cierta dificultad en cuanto a su evacuación, sirviendo la capa adhesiva (7) de barrera de estanqueidad.The problem posed lies in the evacuation of abrasive particles and materials that arise as consequence of the operation of the grinding machine. In fact, it notes a certain difficulty in its evacuation, serving the adhesive barrier layer (7).
Por la patente EP nº 1.177.861 se conoce el concepto de realizar perforaciones en una banda abrasiva en continuo, realizándose estas perforaciones en una parte del espesor de la banda sin efecto de evacuación de las partículas abrasivas, siendo diferentes las condiciones de intervención del objeto del invento.EP Patent No. 1,177,861 is known as concept of drilling in an abrasive belt in continuous, performing these perforations in a part of the thickness of the strip without the effect of evacuation of the abrasive particles, the intervention conditions of the object of the invention.
Por la patente US 5 810 650 se conoce un disco abrasivo de acuerdo con el preámbulo de la reivindicación 1.A disc is known from US 5 810 650 abrasive according to the preamble of claim 1.
Por lo tanto, el objetivo buscado de acuerdo con el invento era remediar el problema mencionado anteriormente buscando una solución simple para poner en práctica.Therefore, the objective sought according to the invention was to remedy the problem mentioned above Looking for a simple solution to implement.
De acuerdo con una primera característica, el dispositivo integra la característica de la reivindicación 1.According to a first feature, the device integrates the feature of claim 1.
Estas características y otras se desprenderán claramente de la siguiente descripción.These features and others will come off Clearly from the following description.
Para fijar el objeto del invento ilustrado de una manera no limitativa, se hace referencia a las figuras de los dibujos, en los que:To fix the object of the illustrated invention of in a non-limiting manner, reference is made to the figures of the drawings, in which:
- la figura 1 es una vista, de acuerdo con la técnica anterior, de un conjunto de una campana adaptable a una rectificadora o esmeriladora eléctrica portátil que incluye el disco abrasivo.- Figure 1 is a view, according to the prior art, a set of a bell adaptable to a portable electric grinder or grinder that includes the disc abrasive.
- la figura 2 es una vista de los componentes adaptables, de acuerdo con el invento, de la campana mencionada anteriormente.- Figure 2 is a view of the components adaptable, according to the invention, of the mentioned bell previously.
- la figura 3 es una vista en corte de acuerdo con la figura 2, por la línea A.A de la misma.- Figure 3 is a sectional view according with figure 2, along the line A.A thereof.
- la figura 4 es una vista parcial a gran escala que ilustra la pieza de disco abrasivo.- Figure 4 is a partial large-scale view which illustrates the abrasive disk piece.
- la figura 5 es una vista parcial en corte que ilustra la evacuación de las partículas.- Figure 5 is a partial sectional view that Illustrates the evacuation of particles.
Con el fin de hacer más concreto el objeto del invento, a continuación se describe de una manera no limitativa ilustrada en las figuras de los dibujos.In order to make the object of the invention, described below in a non-limiting manner illustrated in the figures of the drawings.
El invento tiene como objetivo realizar, de manera nueva, el segundo subconjunto, que incluye el disco abrasivo.The invention aims to realize, of new way, the second subset, which includes the disk abrasive.
Este subconjunto (C) consta de una pieza de disco abrasivo (10), fabricada de corindón u otros materiales, que en su superficie abrasiva (10a) presenta una multitud de microperforaciones (10b). Esta parte abrasiva está unida por una capa adhesiva (11) a una parte subyacente (12) fabricada con tela no tejida, que presenta un cierto espesor y que sirve de medio de filtración. Las microperforaciones (10b) realizadas en la parte abrasiva atraviesan totalmente la capa adhesiva (11) y desembocan en el espesor (e) de la segunda parte (12) de tela no tejida.This subset (C) consists of a piece of abrasive disc (10), made of corundum or other materials, which on its abrasive surface (10a) it presents a multitude of microperforations (10b). This abrasive part is joined by a adhesive layer (11) to an underlying part (12) made of non-fabric woven, which has a certain thickness and serves as a means of filtration. The microperforations (10b) performed in the part abrasive completely pass through the adhesive layer (11) and flow into the thickness (e) of the second part (12) of nonwoven fabric.
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Además, y como se representa en la figura 5, las microperforaciones (10b), realizadas en forma de estampado de la superficie abrasiva, la deforman y constituyen aperturas de aire de aspiración, pasando las partículas y el polvo obligatoriamente por las aperturas. Cuando se detiene la aspiración, las partículas esmeriladas caen de forma natural por el efecto de la gravedad. De este modo, por esta estructura, la evacuación de las partículas y polvo a través del filtro constituido se realiza por aspiración lateral gracias a la concepción de la campana (1) asociada a la rectificadora eléctrica portátil.In addition, and as depicted in Figure 5, the microperforations (10b), made in the form of stamping of the abrasive surface, deform it and constitute air openings of aspiration, passing particles and dust necessarily through the openings When the aspiration stops, the particles Frosted drops naturally due to the effect of gravity. From this way, by this structure, the evacuation of the particles and dust through the constituted filter is made by aspiration lateral thanks to the conception of the bell (1) associated with the portable electric grinder.
De este modo, esta disposición particular permite un mejor dominio de las partículas de los materiales rectificados y esmerilados, que de esta manera atraviesan la capa de tela no tejida (12), que sirve de filtro, para ser evacuadas lateralmente por aspiración. De este modo, la capa de tela no tejida (12) es fijada y enganchada a la parte macho (4a) autoadhesiva en forma de ganchos del disco (4) asociado a la almohadilla (3) de espuma para garantizar el mantenimiento del conjunto.In this way, this particular provision allows a better domain of the particles of the materials grinding and grinding, which thus pass through the layer of non-woven fabric (12), which serves as a filter, to be evacuated laterally by aspiration. Thus, the non-woven fabric layer (12) is fixed and hooked to the self-adhesive male part (4a) in disk hook shape (4) associated with the pad (3) of foam to ensure the maintenance of the whole.
De acuerdo con una disposición ventajosa, representada en la figura 4, el abrasivo de corindón es mantenido por una impregnación de látex coloidal (10c), que constituye un revestimiento muy fino y cuya propiedad y función, además de mantener los granos abrasivos, es hacer deslizar con más facilidad las partículas esmeriladas. De este modo, esta impregnación (10c) constituye un revestimiento anti-ensuciamiento.According to an advantageous provision, represented in figure 4, the corundum abrasive is maintained by an impregnation of colloidal latex (10c), which constitutes a very fine coating and whose property and function, in addition to keep abrasive grains, is to slide more easily Frosted particles. In this way, this impregnation (10c) It constitutes an anti-fouling coating.
Gracias a la nueva y original disposición del invento, además de la mejor evacuación de las partículas de los materiales esmerilados y rectificados se ha constatado una mayor vida útil del propio disco abrasivo (10). La profundidad de las aberturas formadas por las microperforaciones (10b) en la pieza de disco abrasivo permite una ventilación completa del subconjunto (c) y por lo tanto evita un ensuciamiento de la propia parte abrasiva (10), permitiendo de este modo una vida útil más larga.Thanks to the new and original provision of invention, in addition to the best evacuation of particles from grinding and grinding materials have found a greater life of the abrasive disc itself (10). The depth of the openings formed by the microperforations (10b) in the piece of abrasive disc allows complete ventilation of the subset (c) and therefore prevents fouling of the abrasive part itself (10), thus allowing a longer lifespan.
Las ventajas se desprenden claramente del invento. Se destaca la simplicidad del mismo y su rápida puesta en práctica y la mejor calidad de la aspiración de las partículas y una larga vida útil mejorada del disco abrasivo.The advantages clearly emerge from the invention. The simplicity of it and its rapid setting in stand out practice and the best quality of particle aspiration and a Improved long service life of the abrasive disc.
Claims (3)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0307396A FR2856323B1 (en) | 2003-06-16 | 2003-06-16 | ABRASIVE DISC FOR ELECTROMAGNETIC MACHINE IN MEULER |
| FR0307396 | 2003-06-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2300725T3 true ES2300725T3 (en) | 2008-06-16 |
| ES2300725T5 ES2300725T5 (en) | 2011-05-03 |
Family
ID=33396803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES04356090T Expired - Lifetime ES2300725T5 (en) | 2003-06-16 | 2004-06-08 | DEVICE THAT INTEGRATES AN ABRASIVE DISK FOR A PORTABLE ELECTRIC RECTIFIER. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1488888B2 (en) |
| AT (1) | ATE387988T1 (en) |
| DE (1) | DE602004012197T3 (en) |
| ES (1) | ES2300725T5 (en) |
| FR (1) | FR2856323B1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070094811A (en) | 2004-12-30 | 2007-09-21 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Abrasive article and methods of making same |
| US7258705B2 (en) | 2005-08-05 | 2007-08-21 | 3M Innovative Properties Company | Abrasive article and methods of making same |
| US7252694B2 (en) | 2005-08-05 | 2007-08-07 | 3M Innovative Properties Company | Abrasive article and methods of making same |
| US7390244B2 (en) | 2005-09-16 | 2008-06-24 | 3M Innovative Properties Company | Abrasive article mounting assembly and methods of making same |
| US7393269B2 (en) | 2005-09-16 | 2008-07-01 | 3M Innovative Properties Company | Abrasive filter assembly and methods of making same |
| US7244170B2 (en) | 2005-09-16 | 2007-07-17 | 3M Innovative Properties Co. | Abrasive article and methods of making same |
| US7338355B2 (en) | 2006-06-13 | 2008-03-04 | 3M Innovative Properties Company | Abrasive article and methods of making and using the same |
| DK177694B1 (en) * | 2012-12-04 | 2014-03-10 | Poul Erik Jespersen Kadicma | Rotary machining tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4287685A (en) * | 1978-12-08 | 1981-09-08 | Miksa Marton | Pad assembly for vacuum rotary sander |
| DE29520566U1 (en) * | 1995-12-29 | 1996-02-22 | Jöst, Peter, 69518 Abtsteinach | Abrasives that can be adapted directly or indirectly with a machine or a manually operated abrasive holder as well as a suitable adapter |
-
2003
- 2003-06-16 FR FR0307396A patent/FR2856323B1/en not_active Expired - Lifetime
-
2004
- 2004-06-08 EP EP04356090A patent/EP1488888B2/en not_active Expired - Lifetime
- 2004-06-08 ES ES04356090T patent/ES2300725T5/en not_active Expired - Lifetime
- 2004-06-08 AT AT04356090T patent/ATE387988T1/en active
- 2004-06-08 DE DE602004012197T patent/DE602004012197T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1488888A1 (en) | 2004-12-22 |
| DE602004012197D1 (en) | 2008-04-17 |
| ATE387988T1 (en) | 2008-03-15 |
| DE602004012197T2 (en) | 2009-03-19 |
| DE602004012197T3 (en) | 2011-07-28 |
| FR2856323A1 (en) | 2004-12-24 |
| EP1488888B2 (en) | 2011-03-02 |
| ES2300725T5 (en) | 2011-05-03 |
| EP1488888B1 (en) | 2008-03-05 |
| FR2856323B1 (en) | 2007-03-23 |
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