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Fibre sorting device

A sorting device and fiber technology, which is applied in fiber processing, opening and cleaning with suction device, textile and paper making, etc., can solve the problems that cannot meet the requirements, cannot achieve the goal of separation and quality of carding machines, and achieve reliable transportation Effect

Inactive Publication Date: 2004-07-07
MASCHINENFABRIK RIETER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the use of this device tries to improve the separation effect and separation quality, it still does not meet the requirements
The separation and quality goals of usual carding machines cannot be achieved using this device

Method used

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  • Fibre sorting device
  • Fibre sorting device
  • Fibre sorting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0063] FIG. 1 shows a drafting mechanism 1 in which, for example, a sliver 10 is drawn. As a kind of apron drafting mechanism, its drafting mechanism 1 is equipped with a pair of aprons 2 . The drawn sliver 10 provided by the apron 2 is provided between the subsequent forming cylinder 3 and the roller 5 which is arranged opposite to the forming cylinder 3 . The belt 6 placed on the other rollers 7 and 8 is partially bent around the roller 5 . The roller 7 is connected to a schematically indicated drive 12 .

[0064] As shown, the suction cylinder 3 is held rotatably on guide rollers 14, at least one of which is connected to a drive 15.

[0065] Attached to the outer casing of the suction cylinder 3 are elastic clamping strips 18 which extend axially parallel to the axis of rotation of the suction cylinder.

[0066] A fixed conduit 20 is arranged inside the suction cylinder 3, opening towards the side of the inner wall of the suction cylinder. The catheter 20 is connected t...

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PUM

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Abstract

The invention relates to a method and a device for sorting the fibres of a fibre assembly (10, F1, F2) which is delivered to a fibre sorting device (30, 38, 75, 76, 5, 63). Known devices, which use air to sort the fibres on a non-woven fleece held on both sides, have insufficient separation power. The invention therefore provides a method and a device offering a greater degree of separation. To this end the fibre assembly is clamped by means of clamping elements (44, 3, 75, 76, 58) at right angles to its direction of transport and the free end (E1) extending beyond the clamping point (K1, K2) is subjected to an air flow which is capable of removing and evacuating unclamped components (such as short fibres, neps, dust, etc.) from the free end.

Description

technical field [0001] The present invention relates to a method for classifying fibers of a fibrous structure and a device for implementing the method, the fiber structures of which are supplied from a feeding device to a fiber classifying device. Background technique [0002] In order to remove short fibers, neps, dirt and other constituents from the fiber mixture, it is known to supply the fiber material in the form of lap rolls to a card for carding. In this process, the ends of the web are clamped by a nipper and the ends protruding beyond the clamping point of the nipper are mechanically carded by the carding elements of a circular card. In certain cases, damage to the fibers can occur during this carding process. A disadvantage in the known method is also the discontinuous mode of operation, which therefore has to return a large mass during the duty cycle. [0003] Therefore, in PCT published application number WO98 / 04765, a device is proposed, which completes the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01G9/10D01G19/20D01G19/28
CPCD01G9/10D01G19/28D01G19/20
Inventor T・布罗泽H・克莱门特
Owner MASCHINENFABRIK RIETER AG
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