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Grinding device

A technology for grinding and grinding surfaces, applied in the direction of grinding/polishing equipment, grinding machines, abrasives, etc., can solve the problems of quality decline, grinding, large free length, etc., and achieve the effect of improving the grinding effect

Inactive Publication Date: 2011-03-30
ZAHORANSKY AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially when the bristle bundles are large, there is the problem of a large free length, the bristle bundles may bend due to the large free length, so a grinding wheel with a larger diameter is required so that the bristle ends are included into the confines of the grinding wheel
If a part of the bristle filament is out of range of the grinding wheel, then it will not be possible to grind it, resulting in a loss of quality

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0021] As shown in the drawing, the grinding device designated by reference numeral 1 for grinding bristle ends 2 has a grinding wheel 3 which is connected to a rotary drive 4 and is rotatably mounted.

[0022] The grinding wheel 3 is rotatable about a first axis of rotation 7 a via a flexible shaft 5 , which is rotatably mounted in an eccentric element 6 . The eccentric element 6 is in turn fixedly connected to a further shaft 8, which is driven by a drive (not shown), such as a servo motor, and is rotatable about the second axis of rotation 7b.

[0023] The flexible shaft 5 directly connected to the grinding wheel 3 rotates at a high speed so that the bristle ends 2 can be well ground; The two shafts 5 , 8 can also be connected to one another via a transmission not shown in the figure, so that only a single common drive motor is required for the two shafts 5 , 8 .

[0024] From Figure 5 and 6 In particular, it can be seen that the grinding wheel 3 is connected eccentrica...

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PUM

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Abstract

A device for grinding a tag end (2) of bristle includes at least one rotary grinding wheel (3), and the grinding wheel (3) is provided with a spacing element (11) projecting from a grinding face on a circumference side. The spacing element (11) especially can be formed in a ring shape and supported on the grinding wheel (3) through a ball bearing (12), or is formed by a strip circulating the external circumference of the grinding wheel (3). The grinding wheel (3) also can be integrated with the spacing element (11).

Description

technical field [0001] The invention relates to a device for grinding the ends of bristles comprising at least one rotating grinding wheel. Background technique [0002] After implanting the smaller bristle tufts in the brush body (for example a toothbrush) or before implantation, grinding of the bristle ends can be carried out, in which the free ends of the bristle filaments are rounded, wherein the machining diameter is for example 50 mm larger bristle bundles. Especially when the bristle bundles are large, there is the problem of a large free length, the bristle bundles may bend due to the large free length, so a grinding wheel with a larger diameter is required so that the bristle ends are included into the confines of the grinding wheel . If a part of the bristle filament is out of the range of the grinding wheel, then it will not be able to be ground, resulting in a loss of quality. [0003] However, it is generally necessary to limit the space occupied by the grind...

Claims

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Application Information

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IPC IPC(8): B24D13/10
CPCB24B9/20B24B19/22B24B19/16A46D9/02
Inventor M・里希P・法伊特
Owner ZAHORANSKY AG
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