Mounting with interconnected cavities for holding an abrasive, method for producing such a mounting, grinding system and use of such a mounting

Patent metadata

Field	Value
Publication number	US-9744648-B2
Application number	US-201414564792-A
Country	US
Kind code	B2
Filing date	Dec 9, 2014
Priority date	Dec 9, 2013
Publication date	Aug 29, 2017
Grant date	Aug 29, 2017

Abstract

A mounting element for holding a self-adhesive and/or flexible abrasive includes a supporting plate, and a distributing body. The supporting plate includes a plurality of suction openings which penetrate the supporting plate from a first side to a second side opposite the first side. A first side of the distributing body is in contact with the second side of the supporting plate, and a second side of the distributing body is configured to hold an abrasive. The distributing body includes a plurality of cavities which penetrate the distributing body from the first side of the distributing body to the second side of the distributing body, and which are mutually separated by a plurality of walls. At least one of the walls has at least one aperture which connects at least two adjacent cavities to each other.

First claim

What is claimed is:

1. A mounting element for holding an abrasive member, comprising:
a supporting plate that includes:
a first side;
a second side opposite the first side; and
a plurality of suction openings which penetrate from the first side of the supporting plate to the second side of the supporting plate; and

a distributing body that includes:
a first side, at least a portion of the first side in contact with the second side of the supporting plate;
a second side that is opposite the first side of the distributing body, and that is configured to hold an abrasive member; and
a plurality of cavities which penetrate from the first side of the distributing body to the second side of the distributing body, and which are respectively separated by a plurality of walls, wherein at least one of the walls includes at least one aperture that connects at least two adjacent cavities to each other;

wherein the mounting element includes at least twice as many cavities in the plurality of cavities as suction openings in the plurality of suction openings.

2. The mounting element according to claim 1 , wherein each of the plurality of cavities is respectively directly or indirectly fluidically connected to at least one of the suction openings via the at least one aperture.

3. The mounting element according to claim 1 , wherein the at least one aperture penetrates the at least one wall in a region of the first side of the distributing body and extends through the at least one wall to the first side of the distributing body.

4. The mounting element according to claim 1 , wherein an extent of the at least one aperture in a direction perpendicular to at least one of the first and second sides of the distributing body is in a range from 30% to 70% of a size of a thickness of the distributing body perpendicular to at least one of the first and second sides of the distributing body.

5. The mounting element according to claim 1 , wherein the distributing body has a thickness perpendicular to at least one of the first and second sides of the distributing body that is within a range of 1 mm to 20 mm.

6. The mounting element according to claim 1 , wherein at least one of the plurality of cavities has a substantially cylindrical shape with a base disposed on the first side of the distributing body and a top disposed on the second side of the distributing body.

7. The mounting element according to claim 1 , wherein at least one of the cavities has a prism shape with a base of the prism disposed on the first side of the distributing body and a top disposed on the second side of the distributing body.

8. The mounting element according to claim 7 , wherein the base of the prism shape is selected from the group consisting of an equilateral triangle, a square, a regular hexagon, and a regular octagon.

9. The mounting element according to claim 1 , wherein the each of the plurality of walls has a thickness parallel to at least one of the first and second sides of the distributing body that lies in a range from 1 mm to 5 mm.

10. The mounting element according to claim 1 , wherein the plurality of cavities includes a number of cavities in a range from 70 to 300.

11. The mounting element according to claim 1 , wherein the plurality of suction openings includes a number of suction openings in a range from 10 to 300.

12. The mounting element according to claim 1 , wherein at least one of the suction openings is oriented in alignment with respect to one of the cavities.

13. The mounting element according to claim 1 , wherein:
the mounting element is disposed in a grinding system; and
the grinding system further includes at least one abrasive member mounted via the mounting element.

14. The mounting element according to claim 1 , wherein each cavity in the plurality of cavities has a shape that is congruent to the shape of each other.

15. The mounting element according to claim 1 , wherein at least one first cavity in the plurality of cavities has a shape that is not congruent with at least one second cavity in the plurality of cavities.

16. The mounting element according to claim 15 , wherein:
the of the at least one first cavity has a base with an octagon shape; and
the at least one second cavity has a base with a square shape.

17. The mounting element according to claim 1 , further comprising:
a sealing ring that surrounds an outer region of the distributing body.

18. The mounting element according to claim 1 , wherein the supporting plate includes at least one of a textile material and an open-cell foam.

19. A grinding system having the mounting element according to claim 1 , comprising at least one of a self-adhesive element and a flexible abrasive element.

20. A method for producing a mounting element, comprising:
producing a supporting plate that includes a plurality of suction openings which penetrate from a first side of the supporting plate to a second side of the supporting plate opposite the first side;
producing a distributing body that includes a plurality of cavities which penetrate from a first side of the distributing body to a second side of the distributing body opposite the first side, and which are respectively separated by a plurality of walls, wherein:
the second side of the distributing body is configured to hold an abrasive member;
at least one of the plurality of walls includes at least one aperture that connects at least two adjacent cavities to each other; and
the distributing body includes at least twice as many cavities in the plurality of cavities as suction openings in the plurality of suction openings; and

connecting a at least a portion of the first side of a distributing body to the second side of the supporting plate.

21. A method of using a mounting element, comprising:
mounting a flexible self-adhesive grinding disk onto a second side of a distributing body configured to hold the flexible self-adhesive grinding disk, wherein:
at least a portion of a first side of the distributing body opposite the second side of the distributing body is in contact with a second side of a supporting plate;
the supporting plate includes a plurality of suction openings that penetrate from the second side of the supporting plate to a first side of the supporting plate that is opposite the second side of the supporting plate;
the distributing body includes a plurality of cavities which penetrate from the first side of the distributing body to the second side of the distributing body, and which are respectively separated by a plurality of walls;
at least one of the plurality of walls includes at least one aperture that connects at least two adjacent cavities to each other; and
the distributing body includes at least twice as many cavities in the plurality of cavities as suction openings in the plurality of suction openings.

Assignees

• Bosch Gmbh Robert

Inventors

• Fritsch Stephan
• Schoch Adrian
• Schnyder Juerg

Classifications

• B24D18/0072

  using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing · CPC title

• B24D9/10 Primary

  with suction means for securing the material · CPC title

• Y10T29/49826

  Assembling or joining · CPC title

• B24D18/00

  Manufacture of grinding tools {or other grinding devices}, e.g. wheels, not otherwise provided for · CPC title

• B24B55/10

  specially designed for portable grinding machines, e.g. hand-guided · CPC title