CN212388148U

CN212388148U - Brittle fiber bundling device

Info

Publication number: CN212388148U
Application number: CN202020321700.1U
Authority: CN
Inventors: 吴永龙; 王谋华
Original assignee: Suzhou Routao New Material Co ltd
Current assignee: Suzhou Routao New Material Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-01-22
Anticipated expiration: 2030-03-16

Abstract

A fragile fiber bundling device belongs to the technical field of fiber manufacturing. The fragile continuous fiber bundling device comprises a fixing frame, a yarn guide wheel and a bundling ring, wherein the fixing frame is used for fixing a yarn disc, the yarn guide wheel and the bundling ring; a filament tray for storing fibers; a godet wheel for fiber running; and the bundling ring is used for stranding and bundling a plurality of strands of fibers. The utility model is used for brittle fiber's continuous bunching prevents that the fibre from appearing disconnected strand, disconnected silk, phenomenons such as broken silk in the stranding process, but the multibeam moves simultaneously, solves the quantization problem.

Description

Brittle fiber bundling device

Technical Field

The utility model relates to a technique in the fiber manufacturing field specifically is a brittle fiber bundling device.

Background

Ceramic fibers, such as alumina fibers, mullite fibers, silicon carbide fibers, pitch-based carbon fibers and the like, have excellent high temperature resistance, mechanical properties and chemical stability, are widely used for aerospace high temperature resistant parts, heat insulation parts and the like, and gradually replace high temperature alloy materials. However, the ceramic fiber precursor is strong or the infusible fiber is low in strength and brittle, so that the fiber is easy to break when being bundled by a common bundling device, and the fiber quality is influenced.

In order to solve the above problems existing in the prior art, the utility model discloses come from this.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the above-mentioned not enough to prior art exists provides a brittle fiber bunching device, can be used for the continuous bunching of brittle fiber, prevents that the fibre from appearing disconnected strand, disconnected silk, phenomenons such as broken silk in the stranding bundling process to but the multi-beam moves simultaneously, solves the quantization problem.

The utility model comprises a fixed frame, a screw disc seat is arranged on the fixed frame; the wire disc seat is arranged along the fixed frame, and two rows of a plurality of wire discs are arranged on two sides of the fixed frame; corresponding to each wire disc, a wire guide assembly is correspondingly arranged on the fixed frame;

the wire guide assembly comprises a fixed seat, a wire guide wheel and a bundling ring; the fixed seat is fixedly connected with the top of the fixed frame and is provided with a guide wire wheel hole; the godet wheel is movably arranged in a godet wheel hole on the fixed seat, and the godet wheel automatically adjusts the angle along with the running of the fiber in the godet process, so that the friction between the fiber and the godet wheel is reduced; the cluster ring is arranged between the fixed frame and the godet wheel and fixed on the fixed seat.

Preferably, two adjacent wire discs in the same wire disc row are separated by the baffle, and the two wire discs are also separated by the baffle, so that the influence of fiber interlacing and winding in the adjacent wire discs on the wire guiding efficiency is avoided.

Preferably, corresponding to the wire disc, the corresponding wire guiding component is arranged in a staggered way; along the drafting direction, the yarn guiding component is arranged in front of the yarn disc.

Preferably, the thread guiding assemblies corresponding to the same thread disc row on the fixing frame are sequentially positioned at different height positions along the drafting direction, and further preferably, the thread guiding assemblies are sequentially increased or decreased along the drafting direction, so that the fibers are prevented from being wound after being intersected before being combined into a bundle.

Preferably, the bundling ring is arranged on the fixed shaft through a bearing, and the fixed shaft and the fixed seat are fixed through screw threads.

The wire disc is a stainless steel wire disc, a ceramic wire disc and the like, does not generate static electricity, and is resistant to acid and alkali corrosion.

The godet wheel and the bunching ring can be made of ceramic materials, such as alumina ceramic and zirconia ceramic, and can also be made of chromium-plated metal, so that the fibers are ensured not to generate static electricity in the running process, broken filaments are avoided, and meanwhile, the requirement of wear resistance is met.

The brittle fiber comprises aluminum sol fiber, silica sol fiber, silicon-aluminum composite sol fiber, polycarbosilane crosslinked fiber, polynitrosilane crosslinked fiber, poly-silicon boron carbon nitrogen crosslinked fiber and the like, and can also be fiber precursor.

Technical effects

Compared with the prior art, the utility model discloses following technological effect has:

1) after spinning, the fibers are uniformly spread in a spinning disc; the fiber is in a passive drafting state in the whole bundling process, each fiber is gradually drawn to a bundling ring through a godet wheel, and the fiber is drawn to a drafting machine after being combined into a bundle; in the whole drafting process, the fibers are naturally bent from the yarn disc, passively pulled and straightened without active tension, the fibers are not damaged by broken yarns, and the fibers are combined into bundles in the straightened state, so that the yarn guide quality is improved;

2) the fixing frame can be provided with one or more layers of wire disc seats along the height direction, so that a wire guide working plan can be flexibly set, single-layer wire guide and multi-layer wire guide can be realized, and meanwhile, multiple strands of tows can run simultaneously, and the wire guide efficiency is greatly improved.

Drawings

FIG. 1 is a top view of a brittle fiber bundling apparatus;

FIG. 2a is a side view of a brittle fiber bundling device;

FIG. 2b is an enlarged view of FIG. 2a at I;

FIG. 3 is a cross-sectional view of the cluster ring;

FIG. 4 is an operation diagram of a brittle fiber bundling device;

in the figure: the device comprises a fixed frame 1, a wire disc seat 2, a wire disc 3, a wire guide assembly 4 and a baffle plate 5;

fixing base 41, godet wheel 42, bundling ring 43, godet wheel hole 44, gasket 45, bearing 46, fixed axle 47, jump ring 48.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, fig. 2a and fig. 2b, the brittle fiber bundling device comprises a fixed frame 1, and a wire disc seat 2 is arranged on the fixed frame 1; the silk disc seat 2 is provided with two rows of a plurality of silk discs 3 along the fixed frame 1 and on two sides of the fixed frame 1; corresponding to each wire disc, a wire guiding component 4 is correspondingly arranged on the fixed frame.

The thread guiding assembly 4 comprises a fixed seat 41, a thread guiding wheel 42 and a bundling ring 43.

The fixed seat 41 is

The upper part of the fixing frame is fixedly connected with the top of the fixing frame 1 through a screw, and the lower part of the fixing frame is provided with a guide wire wheel hole 44;

the godet wheel 42 is movably arranged in the godet wheel hole 44, and preferably, a gasket 45 is arranged between the godet wheel 42 and the fixing seat 41 to prevent the godet wheel 42 with a small top and a big bottom from being separated from the godet wheel hole 44 in the angle adjusting process.

As shown in fig. 3, the bundling ring 43 is disposed on the fixed shaft 47 through a bearing 46, and one end is limited by a clamp spring 48; the fixed shaft 47 is screwed and fixed with the fixed seat 41 through a screw.

Two adjacent wire discs in the same wire disc row are separated by a baffle 5.

Corresponding to the wire disc 3, the corresponding wire guiding component 4 is arranged in a staggered way; the yarn guiding assembly 4 is arranged in front of the yarn disc 3 along the drafting direction.

The thread guiding components 4 corresponding to the same row of thread discs on the fixing frame 1 are sequentially positioned at different height positions along the drafting direction, and preferably are sequentially lowered along the drafting direction.

Example 1

The alumina fiber is prepared by aluminum sol through dry spinning and sintering, but the aluminum sol fiber which is just prepared contains certain moisture and can be clustered and sintered only by slow drying. Therefore, the alumina sol fiber is led into a silk disc, slowly dried and then placed on a silk guide frame. And then respectively drawing 200 single-stranded alumina sol fibers through an alumina godet wheel, as shown in fig. 4, simultaneously running 5 strands of fibers, drawing to a drawing machine after being collected by a collecting ring, and sintering in a sintering furnace.

Example 2

The polycarbosilane does not melt fibers, has poor strength, and is generally prepared by slowly oxidizing PCS fibers in a wire disc and then can be clustered and sintered. 500 single-stranded fibers respectively pass through a chrome plating godet wheel, 2 strands of fibers run simultaneously, and are drawn to a drafting machine to be sintered in a sintering furnace after being converged by a bundling ring.

Example 3

The pitch-based carbon fiber is prepared by melt spinning mesophase pitch, protofilaments are very fragile, and pre-oxidized fiber is prepared by slow oxidation in a filament disc to improve the strength, and then the pre-oxidized fiber can be clustered and sintered. And (3) drawing the 6 strands of 500 pre-oxidized fibers to a bundling ring through an alumina ceramic godet wheel, stranding into 3K fibers, and drawing the 3K fibers to a sintering furnace by a drawing machine for continuous sintering.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A brittle fiber bundling device is characterized by comprising a fixed frame, wherein a wire disc seat is arranged on the fixed frame; the wire disc seat is arranged along the fixed frame, and two rows of a plurality of wire discs are arranged on two sides of the fixed frame; corresponding to each wire disc, a wire guide assembly is correspondingly arranged on the fixed frame;

the wire guide assembly comprises a fixed seat, a wire guide wheel and a bundling ring; the fixed seat is fixedly connected with the top of the fixed frame and is provided with a guide wire wheel hole; the godet wheel is movably arranged in a godet wheel hole on the fixed seat in a penetrating way; the cluster ring is arranged between the fixed frame and the godet wheel and fixed on the fixed seat.

2. The apparatus as claimed in claim 1, wherein adjacent two of the wire trays in the same row are separated by a baffle, and two rows of the wire trays are separated by a baffle.

3. The brittle fiber bundling apparatus according to claim 2, wherein the respective yarn guiding members are arranged to be displaced from the respective yarn guiding disks; along the drafting direction, the yarn guiding component is arranged in front of the yarn disc.

4. The apparatus as claimed in claim 3, wherein the guide wire assemblies corresponding to the same row of the yarn trays on the holder are sequentially located at different height positions in the drafting direction.

5. The apparatus for bundling brittle fibers according to claim 4, wherein the height of the yarn guiding members corresponding to the same row of yarn trays on the holder is sequentially increased or decreased along the drafting direction.

6. The apparatus for bundling brittle fibers according to claim 1, wherein the bundling ring is provided on a fixing shaft through a bearing, and the fixing shaft is fixed to the fixing base by a screw.

7. The apparatus as claimed in claim 1, wherein the wire reel is a stainless steel wire reel or a ceramic wire reel, and the ceramic material includes alumina ceramic and zirconia ceramic.

8. The apparatus for collecting brittle fibers as claimed in claim 1, wherein the godet wheel and the collecting ring are respectively made of one of a ceramic material or a chrome-plated metal material; the ceramic material comprises alumina ceramic and zirconia ceramic.