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Fiber bundle concentrating device in spinning machine and method for manufacturing perforated belt

A fiber bundling, spinning machine technology, applied in spinning machine, textile and papermaking, textile and other directions, can solve the problems of the conveyor belt being difficult to run smoothly and the softness of the conveyor belt being deteriorated.

Active Publication Date: 2010-09-29
TOYOTA IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in the structure in which the warp yarn 51 and the weft yarn 52 forming the conveyor belt are fused and fixed to each other at all intersection points, like the conveyor belt in Patent Document 1, the flexibility of the conveyor belt deteriorates.
Therefore, it is difficult for the conveyor belt to run smoothly while following the profile of the guide portion of the fiber bundling device.

Method used

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  • Fiber bundle concentrating device in spinning machine and method for manufacturing perforated belt
  • Fiber bundle concentrating device in spinning machine and method for manufacturing perforated belt
  • Fiber bundle concentrating device in spinning machine and method for manufacturing perforated belt

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Embodiment Construction

[0023] The following reference Figure 1A-Figure 3 A specific embodiment of a fiber bundling device installed in a spinning frame according to the present invention will be described.

[0024] This fiber bundling device has basically the same structure as the fiber bundling device in the applicant's application (Japanese Laid-Open Patent No. 2003-113450). Such as Figure 1A As shown, a fiber bundling device 11 is installed on the downstream side of the final conveying roller pair 13 on the drafting machine 12 as the drafting section. Each final conveying roller pair 13 is formed by a front bottom roller 14 and a front top roller 15.

[0025] The fiber bundling device 11 has a plurality of roller pairs 16 as a fiber transport unit, a suction unit 17 and a perforated belt 18 . Each roll pair 16 is made of a lower roll 19a and an upper row of rolls 20, and the lower roll 19a is used as a driving roll, and is formed around a rotating shaft 19 parallel to the front lower roller ...

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Abstract

A fiber bundle concentrating device includes a fiber bundle delivery portion including a nip roller, a suction portion (17) having a guide surface, and a perforated belt. The fiber bundle delivery portion is located downstream of a final delivery roller pair. The guide surface has a suction hole at least in a section upstream of a nip point of the delivery portion in a moving direction of the fiber bundles. The perforated belt rotates while sliding on the guide surface. The perforated belt is formed as a sheet body that contains intersecting sets of yarns. Part of intersecting portions of theyarns (34) are fused such that fused regions, where the fused intersecting portions are adjacent to each other, and non-fused regions, where the non-fused intersecting portions are adjacent to each other, are alternately arranged at least in a circumferential direction of the perforated belt.

Description

technical field [0001] The present invention relates to a fiber bundling device of a spinning machine, especially a fiber bundling device located downstream of a draft machine (draft section) of a spinning frame, which gathers fiber bundles that have been drafted by the draft machine. Background technique [0002] Various bundling devices for bundling the drawn fibers before twisting have been proposed, in this way hairiness can be reduced and yarn quality can be enhanced. Furthermore, as an essential function, perforated endless belts are used to bundle and transport fiber bundles. A porous belt with many horizontal holes is formed from a textile using polyamide multifilament yarn. [0003] In addition, for a conveyor belt (porous belt) used in a fiber bundling device, it is proposed to use a nonwoven sheet (for example, see Patent Document 1). In this nonwoven sheet, such as Figure 6 As shown, warp yarns 51 and weft yarns 52 made of thermoplastic filaments are crossed a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01H5/72D03D3/02D03D1/00D03D15/00D01F6/60B65G15/30D03D15/587
CPCD01H5/72D01H5/86D01H5/26D01H5/68
Inventor 丸山直树石井隆久藤井能理
Owner TOYOTA IND CORP
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