CN216107357U

CN216107357U - Carbon fiber surface treatment device

Info

Publication number: CN216107357U
Application number: CN202122269509.4U
Authority: CN
Inventors: 林文武
Original assignee: Chengdu Tianhang Lanyu Technology Co ltd
Current assignee: Chengdu Tianhang Lanyu Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-22
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a carbon fiber surface treatment device, which relates to the technical field of carbon fiber production and comprises an electrolytic tank, wherein two groups of through holes are distributed on two outer side walls of the electrolytic tank, two groups of mounting seats are fixedly connected on the two outer side walls of the electrolytic tank, anode guide rollers are movably arranged on the side walls of the mounting seats, the anode guide rollers are opposite to openings of the through holes, a first guide roller is movably arranged on the inner side wall of the electrolytic tank, a cathode plate is fixedly connected to an inner bottom plate of the electrolytic tank, a mixing mechanism is arranged in the electrolytic tank, and the mixing mechanism comprises a second guide roller, a limiting ring, a fixing sleeve and a stirring rod. The utility model relates to a carbon fiber surface treatment device, which is characterized in that carbon fibers are pulled so as to drive a second guide roller to rotate, and further, the second guide roller drives a stirring rod to rotate through a fixed sleeve, so that the stirring rod drives electrolyte to impact the carbon fibers, and therefore, fiber yarns in the inner layer of the carbon fibers are in quick contact with the electrolyte.

Description

Carbon fiber surface treatment device

Technical Field

The utility model relates to the technical field of carbon fiber production, in particular to a carbon fiber surface treatment device.

Background

The carbon fiber is a special fiber consisting of carbon element. The graphite fiber has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, is fibrous and soft in appearance, can be processed into various fabrics, and has high strength and modulus along the fiber axis direction due to the preferred orientation of the graphite microcrystalline structure along the fiber axis. The carbon fibers have a low density and thus a high specific strength and a high specific modulus. The carbon fiber is mainly used as a reinforcing material to be compounded with resin, metal, ceramic, carbon and the like to manufacture an advanced composite material. However, in the course of carbonization of the precursor, if surface treatment is not performed, the surface activity of the carbon fiber is reduced, the wettability with resin is deteriorated, the interlaminar shear strength of the carbon fiber composite material is reduced, and the design requirements cannot be met.

The surface of the carbon fiber shows strong hydrophobicity, so that the inner layer of the fiber filament can not be quickly wetted by electrolyte when a fiber bundle enters an electrolytic tank by the conventional carbon fiber surface treatment device, so that the outer layer of the fiber filament is excessively oxidized or fully oxidized, the inner layer of the fiber filament is insufficiently oxidized or can not be oxidized, the oxidation degree of the inner layer of the fiber bundle and the oxidation degree of the outer layer of the fiber bundle are uneven, and the quality of the obtained carbon fiber is poor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a carbon fiber surface treatment device which can effectively solve the problem that an inner layer fiber filament cannot be quickly wetted by electrolyte in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that: a carbon fiber surface treatment device comprises an electrolytic tank, wherein two groups of through holes are distributed on two outer side walls of the electrolytic tank, two groups of mounting seats are fixedly connected on the two outer side walls of the electrolytic tank, an anode guide roller is movably arranged on the side wall of each mounting seat, the anode guide roller is over against an opening of each through hole, a first guide roller is movably arranged on the inner side wall of the electrolytic tank, a cathode plate is fixedly connected to an inner bottom plate of the electrolytic tank, and a mixing mechanism is arranged inside the electrolytic tank;

mixing mechanism includes second deflector roll, spacing ring, fixed sleeve and puddler, the both ends of second deflector roll activity respectively set up in two inside walls of electrolysis box, the two sets of spacing rings of lateral wall fixedly connected with of second deflector roll, it is two sets of the perpendicular bisector symmetry setting about the second deflector roll of spacing ring, the one end lateral wall and the fixed sleeve fixed connection of spacing ring are kept away from to the second deflector roll, the lateral wall fixedly connected with puddler of fixed sleeve, the quantity of puddler has a plurality of groups, and is the equidistant distribution of annular at the lateral wall of fixed sleeve.

Preferably, the outer side walls of the anode guide roller, the first guide roller and the second guide roller are movably provided with carbon fibers.

Preferably, the number of the second guide rollers is three, and the second guide rollers are distributed on the inner side wall of the electrolytic tank in a shape like Chinese character 'pin'.

Preferably, the top of the electrolytic tank is provided with an opening, the electrolytic tank is filled with electrolyte, and the liquid level of the electrolyte is lower than the height of the through hole.

Preferably, the inside wall fixed mounting of electrolysis box has the electrothermal tube, the lateral wall fixed mounting of electrolysis box has temperature detect switch, temperature detect switch's sense terminal passes through the wire and extends to the inside of electrolysis box, and the wire and the lateral wall of electrolysis box, the inside wall of through-hole and the inside wall fixed connection of electrolysis box, temperature detect switch and electrothermal tube electric connection.

Preferably, one side of the electrolytic tank, which is far away from the temperature control switch, is communicated with a discharge pipe, and the other end of the discharge pipe is fixedly connected with a flange joint.

Preferably, a sealing valve is fixedly mounted on the outer side wall of the discharge pipe.

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

according to the utility model, the carbon fiber penetrates through the through hole and sequentially bypasses one anode guide roller, the first guide roller and the three second guide rollers, the other pair of first guide rollers penetrates through the other through hole and is connected with the other anode guide roller, at the moment, the carbon fiber is in contact with electrolyte in the electrolytic tank and then is pulled, so that the carbon fiber drives the second guide rollers to rotate, the second guide rollers drive the stirring rod to rotate through the fixed sleeve, the stirring rod drives the electrolyte to impact the carbon fiber, the fiber filaments on the inner layer of the carbon fiber are in quick contact with the electrolyte, and the oxidation degree of monofilaments on the inner layer and the outer layer of the fiber bundle of the carbon fiber is more uniform.

Drawings

FIG. 1 is a schematic view of the overall structure of a carbon fiber surface treatment device according to the present invention;

FIG. 2 is a schematic view of the internal structure of a carbon fiber surface treatment device according to the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 2 of the carbon fiber surface treatment apparatus according to the present invention;

FIG. 4 is a schematic view of a second guide roller of the carbon fiber surface treatment device according to the present invention;

FIG. 5 is a schematic view of a connection structure of a fixing sleeve and a stirring rod of the carbon fiber surface treatment device of the present invention.

In the figure: 1. an electrolytic tank; 2. a through hole; 3. a mounting seat; 4. an anode guide roller; 5. a first guide roller; 6. a second guide roller; 7. a limiting ring; 8. fixing the sleeve; 9. a stirring rod; 10. carbon fibers; 11. a cathode plate; 12. an electric heating tube; 13. a temperature control switch; 14. a discharge pipe; 15. a flange joint; 16. and sealing the valve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model is a carbon fiber surface treatment device, comprising an electrolytic tank 1, two outer side walls of the electrolytic tank 1 are distributed and provided with two groups of through holes 2, two outer side walls of the electrolytic tank 1 are distributed and fixedly connected with two groups of mounting seats 3, the side walls of the mounting seats 3 are movably provided with anode guide rollers 4, the anode guide rollers 4 are over against openings of the through holes 2, the inner side wall of the electrolytic tank 1 is movably provided with a first guide roller 5, an inner bottom plate of the electrolytic tank 1 is fixedly connected with a cathode plate 11, and a mixing mechanism is arranged inside the electrolytic tank 1;

the mixing mechanism includes second deflector roll 6, spacing ring 7, fixed sleeve 8 and puddler 9, the both ends of second deflector roll 6 activity respectively set up in two inside walls of electrolysis box 1, two sets of spacing rings 7 of lateral wall fixedly connected with of second deflector roll 6, two sets of spacing rings 7 set up about the perpendicular bisector symmetry of second deflector roll 6, the one end lateral wall and the 8 fixed connection of fixed sleeve of spacing ring 7 are kept away from to second deflector roll 6, the lateral wall fixedly connected with puddler 9 of fixed sleeve 8, the quantity of puddler 9 has a plurality of groups, and be the equidistant distribution of annular at the lateral wall of fixed sleeve 8.

The outer side walls of the anode guide roller 4, the first guide roller 5 and the second guide roller 6 are movably provided with carbon fibers 10, so that the carbon fibers 10 can be fully contacted with the electrolyte inside the electrolytic tank 1, and the anode guide roller 4 and the first guide roller 5 are positioned at the same horizontal height to prevent the carbon fibers 10 from rubbing the hole wall of the through hole 2.

The number of the second guide rollers 6 is three, the second guide rollers are distributed on the inner side wall of the electrolytic tank 1 in a shape like the Chinese character 'pin', and the three second guide rollers 6 arranged in a shape like the Chinese character 'pin' can prolong the path length of the carbon fibers 10 passing through the electrolyte, so that the carbon fibers 10 are electrolyzed more sufficiently, and the treatment effect is improved.

The top of electrolysis box 1 is the opening setting, and the inside packing of electrolysis box 1 has electrolyte, and the liquid level height of electrolyte is less than the height of through-hole 2, prevents that electrolyte from leaking from through-hole 2.

The inside wall fixed mounting of electrolysis box 1 has electrothermal tube 12, the outside wall fixed mounting of electrolysis box 1 has temperature detect switch 13, temperature detect switch 13's sense terminal passes through the wire and extends to the inside of electrolysis box 1, and wire and electrolysis box 1's lateral wall, the inside wall of through-hole 2 and electrolysis box 1's inside wall fixed connection, temperature detect switch 13 and electrothermal tube 12 electric connection, through electrothermal tube 12, come to the electrolyte heating of electrolysis box 1 inside, and detect the temperature of electrolyte through temperature detect switch 13, when the temperature reaches temperature detect switch 13's setting value, temperature detect switch 13 will close electrothermal tube 12 this moment, and then can accurately adjust the temperature of electrolyte, improve the electrolysis effect.

One side intercommunication that temperature detect switch 13 was kept away from to electrolysis box 1 is provided with delivery pipe 14, and the other end fixedly connected with flange joint 15 of delivery pipe 14 through the flange joint 15 that sets up, can be better with suction pump fixed connection to conveniently change the inside electrolyte of electrolysis box 1.

The outer side wall of the discharge pipe 14 is fixedly mounted with a sealing valve 16, and the sealing valve 16 is provided to facilitate replacement of the electrolyte when opened and to prevent leakage of the electrolyte when closed.

The working principle of the utility model is as follows: the carbon fiber 10 penetrates through the through hole 2, and sequentially bypasses one anode guide roller 4, a first guide roller 5 and three second guide rollers 6, the other pair of first guide rollers 5 penetrates through the other through hole 2 and is connected with the other anode guide roller 4, at the moment, the carbon fiber 10 is in contact with the electrolyte in the electrolytic tank 1, and then the carbon fiber 10 is pulled, so that the carbon fiber 10 drives the second guide roller 6 to rotate, the second guide roller 6 drives the stirring rod 9 to rotate through the fixed sleeve 8, so that the stirring rod 9 drives the electrolyte to impact the carbon fiber 10, the fiber filaments on the inner layer of the carbon fiber 10 are in quick contact with the electrolyte, the oxidation degree of monofilaments on the inner layer and the outer layer of the fiber bundle of the carbon fiber 10 is more uniform, meanwhile, the three second guide rollers 6 which are arranged in a shape like a Chinese character 'pin' can prolong the path length of the carbon fiber 10 passing through the electrolyte, and the carbon fiber 10 is more fully electrolyzed, the treatment effect is improved, when the temperature of the electrolyte needs to be controlled, a threshold value can be set for the temperature control switch 13, and then the temperature control switch 13 controls the electric heating tube 12 to heat the electrolyte, so that the temperature of the electrolyte can be accurately adjusted, and the electrolysis effect is improved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A carbon fiber surface treatment device is characterized in that: the electrolytic tank comprises an electrolytic tank (1), two groups of through holes (2) are distributed on two outer side walls of the electrolytic tank (1), two groups of mounting bases (3) are fixedly connected on the two outer side walls of the electrolytic tank (1), anode guide rollers (4) are movably arranged on the side walls of the mounting bases (3), the anode guide rollers (4) are over against openings of the through holes (2), first guide rollers (5) are movably arranged on the inner side walls of the electrolytic tank (1), a cathode plate (11) is fixedly connected to an inner bottom plate of the electrolytic tank (1), and a mixing mechanism is arranged inside the electrolytic tank (1);

mixing mechanism includes second deflector roll (6), spacing ring (7), fixed sleeve (8) and puddler (9), the both ends of second deflector roll (6) are the activity respectively and are set up in two inside walls of electrolysis box (1), two sets of spacing ring (7) of lateral wall fixedly connected with of second deflector roll (6), and are two sets of perpendicular bisector symmetry about second deflector roll (6) sets up spacing ring (7), the one end lateral wall and fixed sleeve (8) fixed connection of spacing ring (7) are kept away from in second deflector roll (6), the lateral wall fixedly connected with puddler (9) of fixed sleeve (8), the quantity of puddler (9) has a plurality of groups, and is the lateral wall of the equidistant distribution of ring at fixed sleeve (8).

2. A carbon fiber surface treatment apparatus according to claim 1, characterized in that: the outer side walls of the anode guide roller (4), the first guide roller (5) and the second guide roller (6) are movably provided with carbon fibers (10).

3. A carbon fiber surface treatment apparatus according to claim 2, characterized in that: the number of the second guide rollers (6) is three, and the second guide rollers are distributed on the inner side wall of the electrolytic tank (1) in a shape like Chinese character 'pin'.

4. A carbon fiber surface treatment apparatus according to claim 3, characterized in that: the top of the electrolytic tank (1) is provided with an opening, electrolyte is filled in the electrolytic tank (1), and the liquid level of the electrolyte is lower than that of the through hole (2).

5. The carbon fiber surface treatment apparatus according to claim 4, characterized in that: the utility model discloses a temperature control electrolytic cell, including electrolysis box (1), the inside wall fixed mounting of electrolysis box (1) has electrothermal tube (12), the lateral wall fixed mounting of electrolysis box (1) has temperature detect switch (13), the sense terminal of temperature detect switch (13) passes through the inside that the wire extended to electrolysis box (1), and the inside wall fixed connection of the lateral wall of wire and electrolysis box (1), the inside wall of through-hole (2) and electrolysis box (1), temperature detect switch (13) and electrothermal tube (12) electric connection.

6. The carbon fiber surface treatment apparatus according to claim 5, characterized in that: one side of the electrolytic tank (1) far away from the temperature control switch (13) is communicated with a discharge pipe (14), and the other end of the discharge pipe (14) is fixedly connected with a flange joint (15).

7. The carbon fiber surface treatment apparatus according to claim 6, characterized in that: and a sealing valve (16) is fixedly arranged on the outer side wall of the discharge pipe (14).