CN220550289U

CN220550289U - Reverse rotation device for reducing fiber filaments

Info

Publication number: CN220550289U
Application number: CN202321637613.7U
Authority: CN
Inventors: 何静; 张卫霞; 魏静; 田晓峰
Original assignee: Shaanxi Tiance New Material Technology Co ltd
Current assignee: Shaanxi Tiance New Material Technology Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2024-03-01
Anticipated expiration: 2033-06-26

Abstract

The utility model belongs to the technical field of carbon fiber preparation, and discloses a reversing device for reducing fiber filaments, which comprises a sizing groove, a first roller and a third roller; the first roller and the third roller are respectively arranged at the inlet and the outlet of the sizing groove; a plurality of second rollers are arranged in the sizing tank; the first roller, the second dry roller and the third roller are arranged in parallel; the first roller is connected with a first forward motor; the second rollers are respectively connected with a second forward motor; the third roller is connected with a reversing motor. The utility model can solve the problems in the preparation of the fiber filaments caused by the conventional roller device, and can reduce the excessive filaments and fuzzes attached to the surface of the fibers through the reversing device, thereby ensuring the smooth appearance of the fibers and avoiding the waste of raw materials.

Description

Reverse rotation device for reducing fiber filaments

Technical Field

The utility model belongs to the technical field of carbon fiber preparation, and particularly relates to a reversing device for reducing fiber filaments.

Background

Pitch-based carbon fibers are carbon fibers prepared by taking substances rich in polycyclic aromatic hydrocarbons such as pitch as raw materials, and performing polymerization, spinning, unmelting and carbonization treatments. The asphalt-based carbon fiber is a new material with light weight, high strength, ultrahigh modulus, ultrahigh heat conduction and negative thermal expansion coefficient, and is mainly applied to the fields of aerospace and industry. Because of the characteristics of the pitch-based carbon fiber, the fiber tows are easy to generate some fuzzes and fuzzes due to the breakage of part of fibers in the production process, which is unfavorable for the later weaving and the preparation of composite materials, and is also a difficult problem which can not be overcome in the development process of the pitch-based carbon fiber. In the prior art, a conventional roller is adopted to drive the asphalt-based carbon fiber tows to advance, a large number of fuzzes and fuzzes are adhered to the surfaces of the fibers, and cannot be removed until a drying link is finished, so that the follow-up procedure is seriously affected.

Disclosure of Invention

The utility model aims to provide a reversing device for reducing fiber filaments, which is used for solving the technical problem that a large number of filaments and fuzzes are attached to the surface of a fiber when the conventional roller device drives the fiber and cannot be removed until a drying link.

In order to solve the technical problems, the utility model provides the following technical scheme:

the reversing device for reducing the fiber filaments comprises a sizing groove, a first roller and a third roller; the first roller and the third roller are respectively arranged at the inlet and the outlet of the sizing groove; a plurality of second rollers are arranged in the sizing tank; the first roller, the second rollers and the third rollers are arranged in parallel; the first roller is connected with a first forward motor; the second rollers are respectively connected with a second forward motor; the third roller is connected with a reversing motor.

The utility model is further improved in that: the inlet of the sizing tank is connected with a first bracket, the outlet of the sizing tank is connected with a second bracket, and the sizing tank is supported and arranged between the first bracket and the second bracket; the first roller is arranged at the top end of the first bracket.

The utility model is further improved in that: a mounting plate is arranged on the outer side of the sizing tank, and three second forward rotating motors are fixed on the mounting plate; and three second rollers are arranged in the sizing tank and are connected with corresponding second forward rotating motors.

The utility model is further improved in that: the upper surface of second support is connected with the fixed plate, the third running roller is installed on the fixed plate top.

The utility model is further improved in that: the lateral wall that the first support was kept away from to the second support is equipped with the connecting rod, and the second support is connected with the stoving case through the connecting rod.

The utility model is further improved in that: and a box door is arranged on one side of the drying box.

The utility model is further improved in that: the inside top that links to each other through fan and connecting pipe of stoving case, the bottom of connecting pipe is equipped with the heat exchanger.

The utility model is further improved in that: an inner cavity is formed in the top end of the second support and is located right below the third roller; the bottom of the inner cavity is provided with a collecting box; and a soft brush attached to the bottom of the third roller is fixed at the top of the inner cavity.

The utility model is further improved in that: when in a working state, the asphalt-based carbon fiber bypasses the upper parts of the first rollers, the lower parts of the second rollers and the upper parts of the third rollers; the horizontal plane where the axes of the first rollers are located is a first horizontal plane, the horizontal planes where the axes of the three second rollers are located is a second horizontal plane, and the horizontal plane where the axes of the third rollers are located is a third horizontal plane; the vertical height of the first horizontal plane and the third horizontal plane is greater than the vertical height of the second horizontal plane.

The utility model is further improved in that: the diameter of the third roller is larger than that of the first roller, and the diameter of the first roller is larger than or equal to that of the second roller.

The utility model is further improved in that: the output end of the second forward rotating motor penetrates through the sizing groove to be connected with the second roller, and a sealing rubber ring is arranged at the joint of the output end of the second forward rotating motor and the sizing groove.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a reversing device for reducing fiber filaments, which comprises a sizing groove, a first roller and a third roller; the first roller and the third roller are respectively arranged at the inlet and the outlet of the sizing groove; a plurality of second rollers are arranged in the sizing tank; the first roller, the second dry roller and the third roller are arranged in parallel; the first roller is connected with a first forward motor; the second rollers are respectively connected with a second forward motor; the third roller is connected with a reversing motor. The first roller is connected with a first forward rotation motor, a plurality of second rollers are respectively connected with a second forward rotation motor, the third roller is connected with a reverse rotation motor, the third roller connected with the reverse rotation motor is arranged before asphalt-based carbon fibers enter the drying box, reverse force is generated through the reverse rotation of the third roller, redundant filaments and wool clusters on fiber tows are taken out, and the filaments and the wool clusters generated by the fibers can be effectively removed, so that the smooth appearance of the fibers is ensured.

Further, the drying box is connected with the connecting pipe through the fan, a heat exchanger is arranged at the bottom end of the connecting pipe, and after drying is finished, heat in the drying box is absorbed and reused, so that energy is saved.

Further, a collection box is arranged at the bottom of the inner cavity at the lower part of the third roller, and a soft brush attached to the third roller is fixed at the top of the inner cavity, so that the carried-out wool yarns and wool clusters can be effectively placed in the collection box, and the purposes of cleaning and collecting the wool yarns are achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic front view of a device for reducing fiber hairline in accordance with the present utility model;

FIG. 2 is a schematic top view of a sizing tank of a reversing device for reducing fiber filaments;

FIG. 3 is a schematic rear view of a drying oven with a device for reducing fiber hairline inversion according to the present utility model;

fig. 4 is a schematic front sectional view of a second bracket of a reversing device for reducing fiber filaments.

Reference numerals: the device comprises a 1-sizing tank, a 2-first bracket, a 3-second bracket, a 4-first roller, a 5-second roller, a 6-mounting plate, a 7-forward motor, an 8-fixing plate, a 9-third roller, a 10-reverse motor, a 11-connecting rod, a 12-drying box, a 13-box door, a 14-heat exchanger, a 15-connecting pipe, a 16-inner cavity, a 17-collecting box and an 18-soft brush.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

The following detailed description is exemplary and is intended to provide further details of the utility model. Unless defined otherwise, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the utility model.

Example 1

As shown in fig. 1: the utility model provides a reverse rotation device for reducing fiber filaments, which comprises a sizing groove 1, a first roller 4 and a third roller 9.

Sizing agent is contained in the sizing tank 1, one end of the sizing tank 1 is connected with a first bracket 2, the other end of the sizing tank 1 is connected with a second bracket 3, a first roller 4 is installed at the top end of the first bracket 2, and the first roller 4 is located above the sizing tank 1; the upper surface of second support 3 is connected with fixed plate 8, and the inner wall of fixed plate 8 is connected with third running roller 9, and third running roller 9 is connected with the output shaft of reversing motor 10, and reversing motor 10 can control third running roller 9 to rotate anticlockwise.

As shown in fig. 2: the sizing tank 1 comprises a second roller 5, a mounting plate 6 and a forward motor 7. The outside of sizing tank 1 is equipped with mounting panel 6, and mounting panel 6 is the U font structure, and the inner wall of mounting panel 6 is connected with forward motor 7, and mounting panel 6 makes the installation that forward motor 7 can be stable. The output end of the forward rotation motor 7 penetrates through the sizing groove 1 and is connected with the second roller 5, and a sealing rubber ring is arranged at the joint of the output end of the forward rotation motor 7 and the sizing groove 1, so that sizing agent can be prevented from leaking from the sizing groove 1.

The inside equidistant distribution of sizing bath 1 has a plurality of second running wheels 5, and second running wheel 5 contacts with the fibre, and fibre and first running wheel 4 contact simultaneously, and first running wheel 4 and second running wheel 5 all rotate with clockwise direction of rotation, and corotation motor 7 is used for controlling second running wheel 5 and carries out clockwise rotation, and second running wheel 5 drives first running wheel 4 clockwise rotation through the drafting force.

The first roller 4 is located above the second roller 5, and the third roller 9 is located above the second roller 5.

The second support 3 is kept away from the lateral wall of first support 2 and is equipped with connecting rod 11, and second support 3 is connected with stoving case 12 through connecting rod 11, and stoving case 12 is dried the fibre, and the both ends surface of stoving case 12 all is provided with the opening, and two open-ended high positions are the same, and the fibre enters into the inside of stoving case 12 through the opening of seting up to draw forth from the inside of stoving case 12 through another opening.

Working principle: the first roller 4 and the second roller 5 are used for conveying the fibers, the limiting end part of the conveying is in contact with the third roller 9 and is sent into the drying box 12, at the moment, the third roller 9 rotates anticlockwise, so that the filaments and the fuzzes on the surfaces of the fibers are removed, and the fibers after the filaments and the fuzzes are removed are sent into the drying box 12 for drying.

Example 2

As shown in fig. 3: the utility model provides a reversing device for reducing fiber hairline, which is characterized in that on the basis of the embodiment 1, a connecting pipe 15 is connected to the upper surface of a drying box 12 through a fan, and the bottom end of the connecting pipe 15 is connected with a heat exchanger 14.

The front end surface of the drying box 12 is connected with a box door 13, and the junction of the box door 13 and the drying box 12 is provided with sealing rubber, by which heat leakage from the junction of the box door 13 and the drying box 12 can be prevented.

The drying box 12 is connected with a connecting pipe 15 through a fan, the bottom end of the connecting pipe 15 is connected with a heat exchanger 14, after drying is finished, the fan extracts hot air in the drying box 12 and sends the hot air into the heat exchanger 14 through the connecting pipe 15, and heat is absorbed and reused, so that energy is saved.

Example 3

As shown in fig. 4: the utility model provides a fiber filament reduction reversing device, which comprises an inner cavity 16 and a collecting box 17 in a second bracket 3 on the basis of the embodiment 1.

An inner cavity 16 is formed in the top end of the inside of the second support 3, the reversing motor 10 is mounted on the outer wall of the third roller 9, the inner cavity 16 is located under the third roller 9, the bottom of the inner cavity 16 is clamped with a collecting box 17, a soft brush 18 attached to the third roller 9 is fixed to the top of the inner cavity 16, when the third roller 9 rotates, the soft brush 18 attached to the surface of the second support is brushed into the collecting box 17, and then the collecting box 17 is pulled out from the second support 3 to clean the soft brush.

The utility model provides a reverse rotation device for reducing fiber filaments, which comprises a sizing groove 1, a first roller 4 and a third roller 9, wherein a plurality of second rollers 5 are distributed in the sizing groove 1, a forward rotation motor 7 is arranged on the outer wall of each second roller 5, the first roller 4 and the third roller 9 are respectively positioned above the sizing groove 1, and a reverse rotation motor 10 is arranged on the outer wall of each third roller 9. The first roller, the second roller and the third roller are sequentially arranged, the third roller 9 is reversely rotated by the reverse motor 10, redundant filaments and hair clusters on the fiber tows are brought out by reverse force, and the filaments and the hair clusters generated by the fibers can be effectively removed, so that the smooth appearance of the fibers is ensured. Secondly, the upper surface of stoving case 12 passes through the fan and links to each other with connecting pipe 15, and the bottom of connecting pipe 15 is equipped with a heat exchanger 14, after the stoving finishes, absorbs the heat of stoving case 12 inside and recycles to the energy saving. Finally, the bottom of the inner cavity is provided with a collecting box 17, and the top of the inner cavity is fixedly provided with a soft brush 18 attached to the third roller 9, so that the carried-out wool yarns and wool clusters can be effectively placed into the collecting box, and the purposes of cleaning and collecting the wool yarns are achieved.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. A reverse rotation device for reducing fiber filaments, characterized in that: comprises a sizing groove (1), a first roller (4) and a third roller (9); the first roller (4) and the third roller (9) are respectively arranged at the inlet and the outlet of the sizing groove (1); a plurality of second rollers (5) are arranged in the sizing tank (1); the first roller (4), the second rollers (5) and the third roller (9) are arranged in parallel; the first roller (4) is connected with a first forward motor; the second rollers (5) are respectively connected with a second forward motor; the third roller (9) is connected with a reversing motor (10).

2. A fiber filament reduction reversing device according to claim 1, wherein: the inlet of the sizing tank (1) is connected with a first bracket (2), the outlet of the sizing tank (1) is connected with a second bracket (3), and the sizing tank (1) is supported and arranged between the first bracket (2) and the second bracket (3); the first roller (4) is arranged at the top end of the first bracket (2).

3. A fiber filament reduction reversing device according to claim 1, wherein: a mounting plate (6) is arranged on the outer side of the sizing tank (1), and three second forward rotating motors are fixed on the mounting plate (6); three second rollers (5) are arranged in the sizing groove (1), and the three second rollers (5) are connected with corresponding second forward rotating motors.

4. A fiber filament reduction reversing device according to claim 2, wherein: the upper surface of second support (3) is connected with fixed plate (8), third running roller (9) are installed on fixed plate (8) top.

5. A fiber filament reduction reversing device according to claim 2, wherein: the side wall of the second bracket (3) far away from the first bracket (2) is provided with a connecting rod (11), and the second bracket (3) is connected with a drying box (12) through the connecting rod (11).

6. A fiber filament reduction reversing device according to claim 5, wherein: one side of the drying box (12) is provided with a box door (13).

7. A fiber filament reduction reversing device according to claim 5, wherein: the inside of the drying box (12) is connected with the top end of a connecting pipe (15) through a fan, and the bottom end of the connecting pipe (15) is provided with a heat exchanger (14).

8. A fiber filament reduction reversing device according to claim 2, wherein: an inner cavity (16) is formed in the top end of the inner part of the second bracket (3), and the inner cavity (16) is positioned right below the third roller (9); the bottom of the inner cavity (16) is provided with a collecting box (17); the top of the inner cavity (16) is fixed with a fur brush (18) attached to the bottom of the third roller (9).

9. A fiber filament reduction reversing device according to claim 2, wherein: when in working state, the asphalt-based carbon fiber bypasses the upper part of the first roller (4), the lower parts of the second rollers (5) and the upper parts of the third rollers (9); the horizontal plane of the axes of the first rollers (4) is a first horizontal plane, the horizontal planes of the axes of the three second rollers (5) are second horizontal planes, and the horizontal plane of the axes of the third rollers (9) is a third horizontal plane; the vertical height of the first horizontal plane and the third horizontal plane is greater than the vertical height of the second horizontal plane.

10. A fiber filament reduction reversing device according to claim 9, wherein: the diameter of the third roller (9) is larger than that of the first roller (4), and the diameter of the first roller (4) is larger than or equal to that of the second roller (5).