Grinding machine

a grinding machine and blade technology, applied in grinding machines, other manufacturing equipment/tools, gear teeth, etc., can solve the problems of difficult to sharpen the blade reproducibly evenly, and difficult for people with limited grinding experience, and achieve the effect of convenient movement and advantageous blade sharpening

Inactive Publication Date: 2013-10-10
ZAHND HANS PETER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The grinding machine described in this patent has several advantages. Firstly, it uses easily-replacementable grinding discs, which are a much cheaper alternative to traditional grinding blades. Additionally, the grinding discs can be adjusted to different sizes, allowing for flexibility in grinding. Secondly, the grinding disc is elastically coupled to the grinding wheel, which means that it can adapt to the shape of the blade being ground, resulting in a softer and more effective sharpening process. Thirdly, the grinding gap is designed in a way that the grinding disc moves in a specific direction, which aids in sharpening the blade. Lastly, the support device has a rotatable support body, which prevents scratches on the blade as it moves along and allows for easy movement of the blade.

Problems solved by technology

Such grinding machines have the disadvantage that it is difficult to sharpen a blade reproducibly evenly and that, in particular, this is difficult for people who have limited experience with respect to grinding.

Method used

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Embodiment Construction

[0025]FIG. 1 shows a grinding wheel 2 comprising a disc-shaped basic body 2a, which is fixedly connected with a driveshaft 2b, and which is rotatably mounted around a turning axis D, or alternatively, a centre of turning D of the basic body 2a. One grinding disc 3 is fixed on each of the sides of the basic body 2a, on the left side and on the right. The grinding disc arranged on the left side is shown fully visible and is firmly connected with the driveshaft 2b by means of an underlay disc 2e and a bolt 2f.

[0026]FIG. 2 shows the grinding wheel 2 shown in FIG. 1 in elevation, to which one grinding disc 3 is fixed on each of the two sides. In the depicted embodiment example, an elastic ring 2d is arranged between the basic body 2a and the grinding disc 3, in order to enable elastic mobility in the direction extending essentially in the direction of the turning axis D for sections of the grinding disc 3, in particular for sections arranged in the vicinity of the elastic ring 2d.

[0027...

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Abstract

The grinding machine (1), in particular for grinding and / or sharpening of knives, comprises a grinding disc (2), mounted rotatably around a turning axis (D1) and turnable in direction of rotation (D), with a cylindrically-shaped grinding surface (2a) comprising abrasive means, as well as comprising a guiding part (3), which is arranged immediately next to the grinding surface (2a) of the grinding disc (2), wherein the guiding part (3) has a guiding surface (3a) which extends in such a way that the guiding surface (3a), together with the grinding surface (2a), forms a gap (S), which progressively tapers in the direction opposite to the direction of rotation (D) and which runs parallel to the direction of the turning axis (D1), and that an overlay part (4) with an overlay surface (4a) running towards the gap (S) is arranged immediately next to the grinding surface (2a) of the grinding disc (2).

Description

FIELD OF THE INVENTION[0001]The invention concerns a grinding machine.BACKGROUND OF THE INVENTION[0002]Many grinding machines and grinding apparati are known for grinding or for re-sharpening of cutting devices, such as knives, or rather, their blades. Such grinding machines have the disadvantage that it is difficult to sharpen a blade reproducibly evenly and that, in particular, this is difficult for people who have limited experience with respect to grinding. Thus, it is the problem which this invention seeks to solve to provide a more advantageous grinding machine.SUMMARY OF THE INVENTION[0003]In particular, the problem is solved by a grinding machine comprising a grinding wheel with a disc-shaped basic body, wherein the disc-shaped basic body has a centre of turning, as well as at least one side surface extending substantially perpendicularly to the centre of turning, and wherein a grinding disc, having a grinding layer is removably fixable to the disc-shaped basic body in such ...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): B24B3/54B24D7/00B24B41/06
CPCB24B3/54
InventorZAHND, HANS-PETER
OwnerZAHND HANS PETER