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Suction tube for a compacting device of a spinning machine

A technology of suction pipe and spinning machine, which is applied in the field of suction pipe to achieve the effect of low consumption of compressed air and avoidance of draft loss

Active Publication Date: 2020-07-28
MASCHINENFABRIK RIETER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage here, however, is that the fiber bundles accumulate on the heavily curved surfaces of the hollow shaft

Method used

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  • Suction tube for a compacting device of a spinning machine
  • Suction tube for a compacting device of a spinning machine
  • Suction tube for a compacting device of a spinning machine

Examples

Experimental program
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Embodiment Construction

[0024] figure 1 A schematic view of a longitudinal section of the suction pipe 1 according to the invention is shown. The intake pipe 1 has a longitudinal axis 2 , a fastening section 6 and a guide surface 7 as well as an interior space 5 . In the region of the guide surface 7 the interior 5 is connected to the surroundings via the intake opening 3 . The suction connection 4 is arranged in the fastening section 6 . The interior space 5 of the suction line 1 can be connected via a suction connection 4 to a low pressure source (not shown). The suction pipe 1 has a length A in the direction of the longitudinal axis 2 of 20 mm to 50 mm. The width extension B is shown perpendicular to the longitudinal axis 2 . The slit-shaped suction opening 3 is again shown in projection on the longitudinal axis 2 . The slots are arranged at an angle α of 75° relative to the longitudinal axis.

[0025] figure 2 A schematic cross-sectional view of various embodiments of the suction duct 1 a...

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Abstract

The invention relates to a suction tube (1) for a compacting device in a drafting unit of a spinning machine, having a longitudinal axis (2) and a length (A), and an interior (5) connected to a suction opening (3) and a suction port (4), and having a fastening portion (6). The length (A) of the suction tube (1) is 20 mm to 50 mm. The suction tube (1) has a cross section, arranged perpendicularly to the longitudinal axis (2), with a planar and / or curved guide face (7). The extent (B) of the width of the suction tube (1), starting from the guide face (7), is designed in the form of a polygon ora circle or an oval or a triangle or a kidney. The suction opening (3) is arranged in the guide face (7) of the suction tube (1), wherein the curvature of the guide face (7) is less than 0.04 (1 / mm) and the extent (C) of the guide face (7) perpendicularly to the longitudinal axis (2) is 5 mm to 15 mm.

Description

technical field [0001] The invention relates to a suction duct for a mechanism for accumulating drawn sliver in a spinning machine. Background technique [0002] The suction pipes used for the accumulation mechanism on the drafting device of the spinning machine are respectively connected on the output rollers of this drafting device. Various suction ducts are known from the prior art for use in compacting mechanisms of spinning machines. [0003] Mechanisms of this type are known in the prior art and are always used when the fiber sliver has to be gathered after the stretching process in the weaving machine. In this case, the suction line is at least partially surrounded by a perforated belt or a woven screening belt. A corresponding mechanism is described, for example, in DE 10 261 785 A1. The suction duct disclosed therein is partially surrounded by an air-permeable conveyor belt and has a suction slot on the side facing the fiber web to be collected. The suction duct...

Claims

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Application Information

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IPC IPC(8): D01H5/72
CPCD01H5/72
Inventor G·沙夫勒N·斯托普K·胡贝尔M·威德曼
Owner MASCHINENFABRIK RIETER AG
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