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Shearing device and brush manufacturing machine with shearing device and use of a shearing device

A shearing device, cutting edge technology, applied in the direction of application, brushes, bristles, etc., can solve the problem of difficult operation of the shearing device, and achieve the effect of reducing the risk of injury

Active Publication Date: 2020-09-15
ZAHORANSKY AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can make the operation of previously known shearing devices difficult

Method used

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  • Shearing device and brush manufacturing machine with shearing device and use of a shearing device
  • Shearing device and brush manufacturing machine with shearing device and use of a shearing device
  • Shearing device and brush manufacturing machine with shearing device and use of a shearing device

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Embodiment Construction

[0057] In the subsequent description of the different embodiments of the invention, elements that correspond with respect to their function also receive the same reference symbols in the case of deviating configurations or shapes.

[0058] All the figures show the components of the various embodiments of the shearing device denoted as a whole by 1 . The ensuing description relates to all embodiments of the shearing device 1 , as long as they are not indicated separately.

[0059] The shearing device 1 has a knife 2 and a counter knife 3 assigned to the knife 2 . The knife 2 is rotatable about an axis of rotation R in order to generate a cutting movement relative to a counter-tool blade 4 of the counter-tool 3 . The knife 2 of the shearing device 1 shown in the figure has a total of four knife edges 5 which are wound around its axis of rotation R. In FIG. It can clearly be seen that each coiled tool edge 5 completely wraps around the axis of rotation R of the tool 2 several t...

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Abstract

The invention relates to a improvement in shearing device technology field. A shearing device (1) having a blade (2) with at least one blade cutting edge (5) which is helically coiled, and rotatable,about an axis of rotation (R) of the blade (2). The blade cutting edge (5) is assigned a counterpart blade cutting edge (4) of a counterpart blade (3). The shearing movements, by which for example bristle filaments (7) of brushes (8) for machining can be cut to length, are generated by relative rotational movement of the at least one helically coiled blade cutting edge (5) with respect to the preferably static counterpart blade cutting edge (4) of the counterpart blade (3). Since the blade (2) and the counterpart blade (3) can keep their spacing to one another constant during operation, thereis a relatively low risk of injury during the use thereof.

Description

technical field [0001] The invention relates to a shearing device comprising a knife and a cooperating knife assigned to the knife, a brush making machine comprising such a shearing device and a use of the shearing device for cutting bristle filaments to length. Background technique [0002] It is often necessary to shorten the bristle filaments or cut them in shape during the manufacture of brushes. Especially when processing already bristled brush bodies, shearing devices comprising high-speed cutting knives are frequently used in practice. Shearing devices comprising high-speed cutting knives are previously known, for example, from the documents DE 39 41 73 8 A1, DE 195 09 063 A1 and DE 195 28 834 B4. [0003] A shear is previously known from publication DE 10 2012 018 636 B3, which is used for shearing textile shears. The shear has a belt knife with a cutting edge that faces towards the shear cylinder of the shear when shearing. The belt knife here comes from the enco...

Claims

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Application Information

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IPC IPC(8): A46D1/06
CPCA46D1/06B26D1/03B26D7/0666B26D2001/006B26D1/38A46D9/025B26D1/365B26D1/385B26D7/2628B26D2007/2657
Inventor T·雷斯
Owner ZAHORANSKY AG