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Method and textile machine for automatically setting and maintaining a defined distance between a rotatably mounted cylinder and a further component

A textile machine, automatic adjustment technology, applied to the textile machine. It can solve problems such as collision, adjustment of inaccurate carding gap, and influence on yarn quality

Pending Publication Date: 2021-09-28
TRUETZSCHLER GRP SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the adjustment is too imprecise and the carding gap is too small, collisions between the cylinder and the carding elements can occur during continuous operation during temperature changes
If the carding gap is adjusted too large, the cleaning and carding of the cotton fibers, for example, is only insufficient, which directly affects the yarn quality

Method used

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  • Method and textile machine for automatically setting and maintaining a defined distance between a rotatably mounted cylinder and a further component
  • Method and textile machine for automatically setting and maintaining a defined distance between a rotatably mounted cylinder and a further component
  • Method and textile machine for automatically setting and maintaining a defined distance between a rotatably mounted cylinder and a further component

Examples

Experimental program
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Embodiment Construction

[0044] figure 1 Shows a card 100 according to the prior art in which loose fibers are guided via a shaft to a feed roller 1, a feed plate 2, via a plurality of licker-in rollers 3a, 3b, 3c to a cylinder 4 or drum . On the cylinder 4, by means of the fixed carding element 20, the suction hood and the chopping knife and by means of the surrounding carding element configured as a flat strip 14 arranged on the revolving flat system 17, the loose fiber The fibers are parallel and cleaned. The resulting fibrous web is then transported via a doffer 5, a stripping roller 6 and a plurality of squeeze rollers 7, 8 to a web guiding element 9 which deforms the fibrous web into fibers using a bell mouth 10 The slivers are transported by means of take-off rolls 11, 12 to downstream processors or cans 15. The adjustment of the flat strip 14 and the stationary carding elements 20 relative to the cylinder 4 (carding gap) takes place via a sliding strip ( 18 ) not shown here with wedge-shape...

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Abstract

The invention relates to a method for automatically setting and maintaining a defined distance between a rotatably mounted cylinder (4) and at least one further component of a textile machine, wherein: the cylinder and the at least one further component have a card clothing or a separating knife; the cylinder (4) and the at least one further component are connected to an electrical energy source but are electrically isolated from each other; at least one component is brought with the card clothing or separating knife thereof into contact with the card clothing of the cylinder (4), and at least one electrical contact is established, so that said distance (a) between the at least one component and the cylinder (4) is stored as a reference value in the machine controller, and the machine controller specifies a distance (a1, a2, a3) between the at least one component and the cylinder (4) as a command variable (F) for a regulator (R), and the regulator (R) actuates an actuator (A) by means of a control variable (S) to produce the distance (a1, a2, a3). The invention also relates to a textile machine.

Description

technical field [0001] The invention relates to a method for automatically adjusting and stabilizing a defined distance between a rotatably mounted cylinder and at least one further component of a textile machine, wherein the cylinder and the at least one further component There is a card clothing or a chopping knife, wherein the cylinder and the at least one further component are connected to the power supply, but are electrically insulated from one another. The invention also relates to a textile machine. Background technique [0002] According to current common practice, the first calibration of the carding gap is performed manually on a cold, stationary flat card or roller card. For this, feeler gauges are manually moved on the individual flat strips between the clothing tips of the flats and the cylinder in order to determine the existing carding gap. This procedure is carried out for a fixed flat, which is then adjusted according to a predetermined distance, and also...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01G15/28
CPCD01G15/28
Inventor 安德烈亚斯·泽博德卡克里斯托夫·莱德斯马克西米利安·马克思克里斯蒂安·克于特根罗伯特·皮其尔迈克尔·布罗德斯基
Owner TRUETZSCHLER GRP SE
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