EP4230344B1 - Meuleuse et dispositif à disque pour une telle rectifieuse - Google Patents

Meuleuse et dispositif à disque pour une telle rectifieuse Download PDF

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Publication number
EP4230344B1
EP4230344B1 EP22207163.1A EP22207163A EP4230344B1 EP 4230344 B1 EP4230344 B1 EP 4230344B1 EP 22207163 A EP22207163 A EP 22207163A EP 4230344 B1 EP4230344 B1 EP 4230344B1
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EP
European Patent Office
Prior art keywords
approximately
wing elements
carrier plate
range
plate
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Application number
EP22207163.1A
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German (de)
English (en)
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EP4230344C0 (fr
EP4230344A1 (fr
Inventor
Daniel Heinz
Klaus Jürgen Thiele
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.)
Uzin Utz Tools & Co Kg GmbH
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Uzin Utz Tools & Co Kg GmbH
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Publication of EP4230344C0 publication Critical patent/EP4230344C0/fr
Publication of EP4230344B1 publication Critical patent/EP4230344B1/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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • 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
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B24B41/047—Grinding heads for working on plane surfaces
    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • 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
    • B24D13/16—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips

Definitions

  • the present invention relates to a grinding machine, in particular a single-disc floor grinding machine, for incorporating a joint material into parquet floors, wooden floors or the like, as well as a plate device for such a grinding machine.
  • a plate device for such a grinding machine.
  • Such grinding machines are generally intended to process the surface of a parquet floor, wooden floor or the like, in particular to sand these floors.
  • so-called single-disc floor grinding machines are known, which can be moved over rollers over the floor to be processed and have a grinding plate in a processing section, which can be rotatably controlled by the grinding machine via a corresponding drive.
  • the floor In addition to sanding the floor covering, the floor often also needs to be processed in such a way that a suitable joint material has to be worked into the joints of the floor.
  • the use of another tool is required, with grouting generally being carried out manually using a hand spatula in a complex and cost-intensive manner.
  • the present invention is based on the object of making the process of incorporating a joint material more cost-effective and effective.
  • this object is achieved by a plate device for a grinding machine with the features of claim 1 and by a grinding machine with the features of claim 16.
  • a plate device for a grinding machine in particular for a single-disc floor grinding machine, for incorporating a joint material into parquet floors, wooden floors or the like is provided with a disk-shaped support plate which has an axis of rotation and a surface facing the floor; and a plurality of sheet metal strip-shaped wing elements, each of which has a fastening section for fastening the plurality of wing elements to the floor-facing surface of the support plate and each of which has a spatula edge which rests at least partially on the floor to be worked during operation; wherein the plurality of wing elements are arranged in the circumferential direction around the axis of rotation of the carrier plate to form an internal joint material area in such a way that when the carrier plate rotates during operation, the plurality of wing elements produce a spatula movement for incorporating the joint material located within the joint material area into the floor to be worked and a Force component on the joint material located within the joint material area in such a way that the plurality of wing elements promote the joint
  • a grinding machine in particular a single-disc floor grinding machine, is provided for incorporating a joint material into parquet floors, wooden floors or the like, which has such a plate device.
  • the idea underlying the present invention is to use the grinding machine, in addition to being used for grinding a floor using a sanding plate, for the process of inserting a joint material into the floor to be processed.
  • a suitable insertion plate device is proposed, which can be attached to the grinding machine in a simple and cost-effective manner.
  • This provides a cost-effective tool for inserting, as the existing grinding machine is used. Only the insert plate device proposed here has to be used The grinding machine must be attached accordingly in order to be able to carry out the insertion process fully automatically using the grinding machine.
  • the carrier plate is designed as a circular disk with a central axis of rotation.
  • the plate device is adapted to the geometry of conventional grinding plates and can be easily attached to the grinding machine and removed again after operation.
  • the carrier plate has a diameter in a range of approximately 300 mm to approximately 700 mm and preferably in a range of approximately 395 mm to approximately 600 mm.
  • the dimensions of the carrier plate are designed such that it fits easily into the existing system of the grinding machine and covers a desired floor area during processing.
  • the carrier plate has at least one fastening means in the area of the axis of rotation for a positionally stable attachment of the carrier plate to the associated grinding machine, enabling a rotary drive.
  • the fastening means or fasteners are adapted to the types of fastening of the sanding plate, so that the same fastening aids can be used.
  • the carrier plate has a plurality of fastening holes for a fastening arrangement of the several wing elements that is adapted to the respective operation.
  • the arrangement of the individual wing elements on the support plate can be adapted in a simple and cost-effective manner according to the respective operating mode.
  • the plurality of wing elements each have a fastening section which is formed with through holes aligned with the associated fastening holes of the carrier plate is. This allows the wing elements to be attached to the carrier plate in a simple and cost-effective manner.
  • the plurality of wing elements are attached to the support plate symmetrically about the axis of rotation to enclose the joint material within the joint material area. This advantageously ensures uniform incorporation of the joint material into the floor to be worked.
  • wing elements are preferably provided, which are also designed to be uniform.
  • wing elements which are also designed to be uniform.
  • this uniform design advantageously ensures a uniform training process.
  • the plurality of wing elements each have a length in a range of approximately 200 mm to approximately 350 mm and preferably in a range of approximately 220 mm to 300 mm, depending on the diameter of the carrier plate.
  • the length of the individual wing elements can be adapted to the dimensions of the carrier plate and in particular to the diameter of the carrier plate.
  • the length of the individual wing elements is selected such that they protrude as little as possible beyond the edge of the plate and form a floor material area that is as enclosed as possible around the axis of rotation of the support plate.
  • the plurality of wing elements each have a height in a range of approximately 55 mm to 75 mm and preferably in a range of approximately 60 mm to 70 mm. This advantageously provides a sufficiently large space below the plate in which the joint material to be processed is located, but on the other hand the height is still sufficiently low to ensure that the machine runs smoothly.
  • the plurality of wing elements each have a thickness in a range of approximately 0.4 mm to 0.6 mm and preferably approximately 0.5 mm. These sheet metal thicknesses have proven to be particularly preferred for the filling process to be carried out due to the resulting flexibility of the wing elements.
  • the plurality of wing elements each comprise a strip-shaped spatula section, having the above-mentioned spatula edge, the plane of the spatula section having an angle in a range of approximately 100° to 140° and preferably in a range of approximately 110° up to 130 ° and more preferably from approximately 120 ° to the plane of the carrier plate is designed to be inclined towards the outside of the carrier plate.
  • Such angles create a correspondingly advantageous angle between the edge of the spatula resting on the floor surface, this angle being adapted to a manual, hand-held spatula movement of a craftsman for an optimal insertion process.
  • the spatula edges of the plurality of wing elements each have an angle relative to the plane of the carrier plate in a range of approximately 1° to 3° and preferably in a range of approximately 2°, viewed in the direction of the respective front end face of the wing elements .
  • This adjustment compensates for an increased bending moment of the areas of the wing elements on the outside of the support plate compared to the areas on the inside of the support plate.
  • the resulting reduction in contact pressure in the outer area of the wing elements can be advantageously compensated for by this position.
  • the spatula edges of the plurality of wing elements are each preferred at an angle in a range between 0° and 90° relative to a central axis plane of the carrier plate, which runs approximately through the projected intersection of the respective spatula edge with the outer edge of the carrier plate arranged inclined in a range of approximately 45° to 70° and more preferably in a range of approximately 50° to 60°.
  • Such an adjustment advantageously enables the rotating plate device to cover an acceptable area of the floor to be processed, with the joint material still being guided well along the respective wing element towards the inside of the support plate.
  • the plurality of wing elements each have a support plate which has a thickness in a range of approximately 0.5 mm to 0.6 mm and, starting from the carrier plate, reinforces approximately the first two thirds of the respective spatula section. If necessary, the user can add or remove the support plate depending on the particular joint material used. For example, with certain joint materials it may be advantageous to use more flexible wing elements, whereas with other joint materials a slightly stiffer wing element is desired.
  • Fig. 1 illustrates a perspective view of a single-disc floor grinding machine 1 according to an embodiment of the present invention.
  • This grinding machine shown as an example can be moved by a user over the surface of the floor to be processed using rollers 2.
  • the grinding machine 1 has an electric drive, not shown, for a rotary rotational movement of an in Fig. 1 also not visible plate device, the plate device being accommodated in an associated housing 3 of the grinding machine 1.
  • the plate device is designed as a plate with a special grinding wheel.
  • the same grinding machine 1 should preferably also be usable for use for incorporating a joint material into the joints of the floor to be processed and therefore be convertible in such a way that the above-mentioned plate with grinding wheel can be exchanged for a plate device for inserting according to the present invention, whereby in the following This plate device for incorporating a joint material is described in more detail.
  • a preferred embodiment of a plate device 5 for insertion is shown as an example in various views, where Fig. 2 a perspective view diagonally from below, Fig. 3 a side view and Fig. 4 a bottom view of the plate device 5 illustrate.
  • the plate device 5 preferably has a disk-shaped support plate 6, which is designed in particular as a circular disk with a central axis of rotation 7.
  • a through hole 8 is preferably provided in the carrier plate, running through the axis of rotation 7, which can be coupled to a axis of rotation of the electric rotary drive of the grinding machine 1.
  • first fastening holes 9 are preferably provided in the area of the central through hole 8, which serve to attach the plate device 5 to the grinding machine 1.
  • the carrier plate 6 has, on the surface 11 facing away from the floor, an annular collar section 12, for example, which serves for a preferably positive and/or non-positive connection of the plate device 5 to a complementary fastening section of the grinding machine 1. This allows the plate device 5 to be stored in a stable position on the grinding machine 1.
  • the carrier plate 6 has second fastening holes 14, which can be provided in different hole patterns and serve to fasten associated wing elements, which will be described in more detail below.
  • the carrier plate 6 preferably has a diameter of approximately 395 mm to approximately 600 mm. However, it is obvious to the person skilled in the art that other geometries are also possible, for example the diameter of the carrier plate 6 can also be in a range from approximately 300 mm to approximately 700 mm.
  • the diameter of the carrier plate 6 is preferably adapted to the grinding machine 1 to be used and the respective application.
  • the plate device 5 has a plurality of wing elements 16, each of which preferably has a fastening section 17 and a spatula section 19.
  • the plate device 5 according to that in the Figures 2 to 4 illustrated embodiment has four uniformly designed wing elements 16, which are preferably arranged symmetrically around the axis of rotation 7 in such a way that the respective spatula sections 19 define an internal, almost closed joint material area 23 around the axis of rotation 7.
  • a number other than four wing elements 16 can also be provided, for example three, five or more.
  • the plurality of wing elements 16 can preferably be fastened to the support plate 6 via the fastening section 17 by means of appropriate fastening means.
  • Fig. 5 shows a sectional view along the section line BB Fig. 4 .
  • the fastening means used are, for example, rivet connections or threaded screws 22, which protrude through through holes 18 in the fastening section 17 of the wing elements 16, which are aligned with associated second fastening holes 14 in the carrier plate 6, and can be screwed, riveted or the like into these.
  • the carrier plate 6 preferably includes different hole patterns on second fastening holes 14 such that the wing elements 16 can be mounted on the carrier plate 6 in different orientations. As a result, the wing elements 16 can be mounted and aligned to suit the respective application, or differently designed wing elements can be used.
  • Each wing element 16 is preferably further formed with a metal strip-shaped spatula section 19, which each has an associated spatula edge 20 which rests on the floor to be worked during operation.
  • each spatula section 19 of the wing elements 16 is positioned at a predetermined angle relative to the respective fastening section 17.
  • the plane of the spatula section 19 is at an angle preferably in a range of approximately 100° to 140° and more preferably in a range of approximately 110° to 130° and even more preferably with an angle of approximately 120 ° relative to the plane of the carrier plate 6 and thus relative to the plane of the respective fastening sections 17 in the direction of the outside of the carrier plate 6. This angle is in Fig.
  • An angle of attack ⁇ with 120°.
  • An angle of attack ⁇ of approximately 120° therefore creates an angle between the spatula edge 20 of the spatula section 19 and the floor surface to be worked of approximately 60°. This advantageously corresponds approximately to the spatula angle that would be automatically adjusted manually by a craftsman using a hand-held spatula using his wrist.
  • the plurality of wing elements 16 preferably have a length in a range of approximately 200 mm to approximately 350 mm, more preferably in a range of approximately 220 mm to 300 mm and even more preferably a length of approximately 220 mm on.
  • the respective height of the individual spatula sections 19 is preferably in a range from approximately 55 mm to approximately 75 mm, and more preferably in a range from approximately 60 mm to approximately 70 mm.
  • the sheet metal thickness of the individual wing elements 16 is in particular in a range from approximately 0.4 mm to approximately 0.6 mm and more preferably has a thickness of approximately 0.5 mm.
  • the height of the wings is preferably chosen in such a way that, on the one hand, a sufficiently large space is provided below the carrier plate 6, in which the joint material to be processed is located, but on the other hand is not too high, so that the plate device 5 does not run unevenly underneath Grinding machine 1 would experience.
  • the individual wing elements 16 can, for example, have uniformly designed end faces or, as in particular in Fig. 4 is shown have different contours.
  • the direction of rotation of the plate device 5 during operation when installed in the associated grinding machine 1 is in the Figures 2 to 4 indicated by the arrows shown.
  • the front end faces of the spatula sections 19 of the wing elements 16 in the circumferential direction are, for example, designed with a rounded corner area and the rear end faces in the circumferential direction are designed with a beveled corner area.
  • the respective end faces can also be designed in the same way.
  • An advantageous embodiment of the geometries of the wing elements 16 provides that the individual wing elements 16 do not or do not protrude beyond the outer edge of the carrier plate 6 during operation, or as in particular in Fig. 4 is illustrated, protrude as little as possible beyond the edge of the plate.
  • each spatula edge 20 of the respective spatula section 19 of the respective wing elements 16 has, for example, an employment in the direction of the respective front end faces of the wing elements 16 relative to the plane of the carrier plate 6 in a range of approximately 1° to 3° and preferably approximately 2°. This angle of attack is in Fig.
  • the angle of attack ⁇ is preferably adapted in a suitable manner to the material used in each case and/or the dimensions of the wing elements 16 used in each case and the respective deformation associated therewith. Through such an adjustment, the bending moment acting differently on the spatula section 19 can be compensated for in the most suitable manner possible and a uniform incorporation of the joint material can be achieved over the entire longitudinal extent of the spatula edges 20 of the wing elements 16.
  • the individual wing elements 16 can, for example, also be reinforced with a respective associated support plate, which is not shown in the figures.
  • a support plate is attached, for example, as an additional plate to the support plate 6 using the same fastening means, the respective support plates having a thickness of, for example, approximately 0.5 mm to approximately 0.6 mm and, starting from the support plate 6, up to approximately two third of the height of the wing elements 16.
  • These support plates preferably have the same edge as the wing elements 16 and can, if necessary, be added or removed by the user to suit the respective application. This can be advantageous when incorporating different joint materials, since depending on the joint material it is possible to vary between a more flexible wing element 16 without a support plate and a stiffer wing element 16 with a support plate. More flexible wing elements 16 can, for example, advantageously avoid scratches on the floor surface to be processed with certain joint materials.
  • the material for the wing elements 16 and/or support plates is in particular a steel sheet, preferably stainless steel, which has good reaction properties with, for example, tannic acids of the parquet to be processed, which are dissolved through the joint material, so that any discoloration in the floor to be processed can be avoided.
  • Fig. 4 a preferred orientation and arrangement of the individual wing elements 16 on the support plate 6 is discussed. An example is given by the in Fig. 4 shown arrangement with four similar wing elements 16 assumed. However, it is obvious to an expert that a different orientation and/or arrangement of the wing elements 16 is also conceivable.
  • the wing elements 16 are compared to one in Fig. 4 central axis plane of the carrier plate 6 shown in dashed lines, which preferably runs approximately through the projected intersection of the respective spatula edge 20 with the outer edge of the carrier plate 6, with an angle in a range between 0 ° and 90 °, preferably in a range of approximately 45 ° up to about 70° and more preferably in a range from about 50° to about 60°.
  • this angle of attack ⁇ is approximately 50°.
  • the arrangement of the individual wing elements 16 is therefore preferably chosen such that they form an internal joint material area 23 in such a way that during operation the joint material to be incorporated remains in this joint material area 23 when the plate device 5 rotates and is not conveyed towards the outside of the plate device 5.
  • the grinding machine 1 which has a plate device 5 according to the present invention, will be explained in more detail below with reference to the figures.
  • the grinding machine 1 is first used to grind the floor to be processed using a suitable grinding wheel.
  • the grinding wheel is then dismantled from the grinding machine 1 and the plate device 5 according to the present invention is mounted in the housing 3 for receiving the plate device 5 by means of the provided fastening means 8, 9 and / or 12 in such a way that the rotary drive of the grinding machine 1 supports the plate device 5 drives a rotation of the same.
  • the direction of rotation of the plate device 5 is, as already stated, shown as an example in the figures using the arrows.
  • Corresponding joint material is placed under the carrier plate 6 of the plate device 5 in the internal joint material area 23 defined by the wing elements 16 on the floor to be processed or the grinding machine 1 is placed over the joint material located on the floor.
  • the grinding machine 1 is then put into operation, so that the plate device 5 is set in rotation in the direction of the arrows shown in the figures, the grinding machine 1 being movable over the floor to be processed, preferably by means of a handle and corresponding rollers 2.
  • the spatula edges 20 of the spatula sections 19 of the respective wing elements 16 carry out a spatula movement in such a way that the joint material located in the joint material area 23 is incorporated into the joints of the floor to be processed by means of the spatula edges 20 and the joint material is worked against the Centrifugal force is guided along the spatula sections 19 towards the inside of the carrier plate 6.
  • the joint material to be incorporated remains within the joint material area 23 even when the grinding machine 1 is moved over the floor to be processed and is not conveyed outside the plate device 5. Consequently, the joint material is carried below the plate device 5 over the surface to be processed during a process of the grinding machine 1 and evenly incorporated into the floor to be processed by the spatula movements.
  • the user can also provide corresponding support plates on the wing elements, adapted to the respective application, in order to further optimize the insertion process.
  • various plate devices can be available, with a suitable plate device being selected and mounted on the grinding machine depending on the floor to be processed and the joint material to be used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (16)

  1. Dispositif à disque (5) pour une ponceuse (1), en particulier pour une ponceuse de sol monodisque, destiné à incorporer un matériau de jointoiement dans des sols en parquet, des sols en bois ou analogues, comportant :
    une plaque de support (6) en forme de disque, comportant un axe de rotation (7) et une surface (10) dirigée vers le sol ; et
    une pluralité d'éléments d'ailette (16) en forme de bandes métalliques, comportant respectivement une partie de fixation (17) pour fixer la pluralité d'éléments d'ailette (16) sur la surface (10) de la plaque de support (6) dirigée vers le sol, et respectivement un bord de spatule (20) reposant, pendant le fonctionnement, au moins partiellement sur le sol à traiter ;
    dans lequel les éléments de la pluralité d'éléments d'ailette (16) sont agencés dans une direction circonférentielle autour de l'axe de rotation (7) de la plaque de support (6) de manière à former une zone de matériau de jointoiement interne (23), de telle sorte que lors d'une rotation de la plaque de support (6) pendant le fonctionnement, les éléments de la pluralité d'éléments d'ailette (16) exercent un mouvement de spatule pour incorporer le matériau de jointoiement situé dans la zone de matériau de jointoiement (23) dans le sol à traiter,
    caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) sont agencés de telle sorte qu'ils exercent une composante de force sur le matériau de jointoiement (23) situé dans la zone de matériau de jointoiement (23) de telle sorte que les éléments de la pluralité d'éléments d'ailette (16) transfèrent le matériau de jointoiement à l'encontre de la force centrifuge en direction de la face intérieure de la plaque de support (6) pour intégrer le matériau de jointoiement dans la zone de matériau de jointoiement (23).
  2. Dispositif à disque (5) selon la revendication 1, caractérisé en ce que la plaque de support (6) est réalisée sous la forme d'un disque circulaire ayant un axe de rotation central (7).
  3. Dispositif à disque (5) selon la revendication 1 ou 2, caractérisé en ce que la plaque support (6) a un diamètre dans une plage d'environ 300 mm à environ 700 mm et, de préférence, dans une plage d'environ 395 mm à environ 600 mm.
  4. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que la plaque de support (6) comporte, dans la zone de l'axe de rotation (7), au moins un moyen de fixation (8 ; 9 ; 12) pour fixer la plaque de support (6) sur la ponceuse (1) associée, de façon stable en termes de position et permettant un entraînement en rotation.
  5. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que la plaque de support (6) comporte une pluralité de trous de fixation (14) pour un système de fixation de la pluralité d'éléments d'ailette (16) adapté au fonctionnement respectif.
  6. Dispositif à disque (5) selon la revendication 5, caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) comportent respectivement une partie de fixation (17) qui est respectivement réalisée avec des trous de passage (18) affleurant des trous de fixation (14) associés de la plaque de support (6).
  7. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) sont fixés sur la plaque de support (6) de manière symétrique autour de l'axe de rotation (7) de la plaque de support (6) afin d'intégrer le matériau de jointoiement dans la zone de matériau de jointoiement (23).
  8. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que quatre éléments d'ailette (16) sont de préférence prévus et réalisés de façon uniforme.
  9. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) ont respectivement, selon le diamètre de la plaque de support (6) ainsi que le nombre et l'agencement des éléments d'ailette (16), une longueur dans une plage d'environ 200 mm à environ 350 mm, et de préférence dans une plage d'environ 220 mm à 300 mm.
  10. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) ont respectivement une hauteur dans une plage d'environ 55 mm à 75 mm, et de préférence dans une plage d'environ 60 mm à 70 mm.
  11. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) ont respectivement une épaisseur dans une plage d'environ 0,4 mm à 0,6 mm, et de préférence d'environ 0,5 mm.
  12. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) comprennent respectivement une partie de spatule (19) en forme de bande comportant le bord de spatule (20), dans lequel le plan de la partie de spatule (19) est respectivement réalisé incliné à un angle dans une plage d'environ 100° à 140° et, de manière préférée, dans une plage d'environ 110° à 130° et, de manière plus préférée, d'environ 120° par rapport au plan de la plaque de support (6) en direction de la face extérieure de la plaque de support (6).
  13. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les bords de spatule (20) de la pluralité d'éléments d'ailette (16) ont respectivement, lorsqu'ils sont vus en direction des faces frontales respectives des éléments d'ailette (16), un réglage par rapport au plan de la plaque de support (6) dans une plage d'environ 1° à 3°, et de préférence d'environ 2°.
  14. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les bords de spatule (20) de la pluralité d'éléments d'ailette (16) sont respectivement agencés tournés par rapport à un plan d'axe médian de la plaque de support (6), qui s'étend sensiblement par le point d'intersection projeté du bord de spatule (20) respectif avec le bord extérieur de la plaque de support (6), à un angle dans une plage de 0° à 90°, de manière préférée dans une plage d'environ 45° à 70° et de manière plus préférée dans une plage d'environ 50° à 60°.
  15. Dispositif à disque (5) selon au moins l'une des revendications précédentes, caractérisé en ce que les éléments de la pluralité d'éléments d'ailette (16) comportent respectivement une plaque d'appui qui a, par exemple, une épaisseur dans une plage d'environ 0,5 mm à 0,6 mm et qui renforce, en partant par exemple de la plaque de support (6), pratiquement les deux premiers tiers de la partie de spatule (19) respective.
  16. Ponceuse (1), en particulier une ponceuse de sol monodisque, destinée à incorporer un matériau de jointoiement dans des sols en parquet, des sols en bois ou analogues, comportant un dispositif à disque (5) selon au moins l'une des revendications précédentes.
EP22207163.1A 2022-02-17 2022-11-14 Meuleuse et dispositif à disque pour une telle rectifieuse Active EP4230344B1 (fr)

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Publication number Priority date Publication date Assignee Title
US3098329A (en) * 1959-08-19 1963-07-23 John T Doran Cement floor finishing machine
US3452381A (en) 1967-12-15 1969-07-01 Ronald P Bratti Grout applying machine
DE20203516U1 (de) 2001-04-28 2002-09-12 Marmorit Gmbh Werkzeug zur Bearbeitung von Putzoberflächen
KR100492854B1 (ko) * 2004-09-15 2005-06-02 세원테크 주식회사 연마 휠
US7690970B2 (en) * 2007-01-19 2010-04-06 Epoxy-Tech, Inc. Abrasive preparation device with an improved abrasion element assembly
US8657384B1 (en) * 2008-05-15 2014-02-25 King Kutter, Inc. Track scraper
KR100987579B1 (ko) 2009-12-14 2010-10-12 (주)성심 연마용 툴의 탈부착이 용이한 연마 휠 어셈블리
DE202011101564U1 (de) 2011-05-30 2011-11-17 Hualing Lu Gmbh Schnellwechselträgersystem mit Sperrring für Bodenschleifmaschinen
CA3148281A1 (fr) * 2019-08-19 2021-02-25 Diamabrush Llc Appareil de polissage de sol

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