Polyimide large-tow fiber dispersing device

Abstract

The utility model relates to the technical field of fibers, in particular to a large polyimide tow fiber dispersing device. The utility model relates to a polyimide large tow fiber dispersing device which comprises a fiber coil unwinding frame, a steam heat box, at least one compressed air disperser, a tension controller and a winding machine which are sequentially arranged in the fiber moving direction. The compressed air disperser comprises a main pipe and a plurality of branch pipes, one end of each branch pipe is arranged on the main pipe and communicated with the main pipe, and the other end of each branch pipe is communicated with a compressed air source. According to the utility model, a fiber coil needing to be dispersed is placed on the filament coil unwinding frame, a filament bundle is heated by the steam hot box, so that a solvent between monofilaments is softened, the monofilaments are separated by the compressed air disperser, tension control is realized by the tension controller, and then the monofilaments are wound and formed by the winding machine. The polyimide large-tow fiber dispersing device has excellent dispersing performance, and can accurately and efficiently realize effective separation of monofilaments in polyimide large-tow fibers.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fiber technical field especially relates to a kind of polyimide big tow fiber dispersion device. BACKGROUND

[0002] The existing polyimide big tow fiber single filament has good cohesion, and the impregnation effect of the subsequent prepreg process is poor, which cannot meet the process requirements of impregnation.

[0003] In the prior art, Chinese patent CN117023974A discloses a glass fiber big tow uniform dispersion widening device, but mainly through jet pre-expanding device, adopts hot jet method to widen the fiber, and the hot airflow softens the adhesive between the fibers, so that the fiber single filament is more easily separated from the whole fiber bundle, but it can only play a widening role, and it is more difficult to separate the single filament in the whole fiber bundle. UTILITY MODEL CONTENT

[0004] The utility model aims at the above-mentioned deficiencies of the prior art, and provides a polyimide big tow fiber dispersion device.

[0005] The polyimide big tow fiber dispersion device of the utility model comprises a filament roll unwinding frame, a steam heat box, at least one pressure air disperser, a tension controller and a winding machine arranged in sequence along the motion direction of the fiber filament.

[0006] Further, the branch pipes and the main pipe are arranged at a certain inclination angle.

[0007] Further, the number of branch pipes is eight.

[0008] Further, the eight branch pipes are symmetrically arranged.

[0009] Further, the diameter of the main pipe is greater than the diameter of the branch pipe.

[0010] Further, the diameter of the main pipe is 8mm, and the diameter of the branch pipe is 3mm.

[0011] Further, the number of pressure air dispersers is two.

[0012] Further, a guide roller is arranged between the two pressure air dispersers.

[0013] Further, the tension controller comprises two upper and lower leather-covered pressure rollers, and the fiber filament passes between the two leather-covered pressure rollers.

[0014] Further, the tension controller and the winding machine are further provided with a guide roller.

[0015] The utility model discloses a need to put the fiber silk roll that disperses into the silk roll unwinding frame, and the bundle is heated through the steam hot box, and the solvent between the monofilament is softened, and the monofilament is separated through the pressure empty disperser, and the tension controller realizes the tension control, and then is wound into the shape by the winding machine.

[0016] The polyimide large tow fiber dispersion device has excellent dispersion performance, can accurately and efficiently realize effective separation of each monofilament in the polyimide large tow fiber. Through this fine separation operation, the uniformity and impregnation effect of the subsequent prepreg preparation link can be significantly improved, laying a solid foundation for producing high-quality prepreg products. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of a polyimide large tow fiber dispersion device of the utility model.

[0018] 1, silk roll unwinding frame, 2, steam hot box, 3, pressure empty disperser, 31, main pipe, 32, branch pipe, 4, tension controller, 41, leather roller, 5, winding machine, 6, guide roller, 7, guide roller. DETAILED DESCRIPTION

[0019] The following is a specific embodiment of the utility model and is further described in conjunction with the drawings, but the utility model is not limited to these embodiments.

[0020] Example 1

[0021] The polyimide large tow fiber dispersion device of the utility model comprises a silk roll unwinding frame 1, a steam hot box 2, at least one pressure empty disperser 3, a tension controller 4 and a winding machine 5 arranged in sequence along the fiber silk movement direction, wherein the pressure empty disperser 3 comprises a main pipe 31 and a plurality of branch pipes 32, one end of the plurality of branch pipes 32 is arranged on the main pipe 31 and is in communication therewith, and the other end of the branch pipe 32 is in communication with a pressurized gas source.

[0022] The utility model discloses a need to put the fiber silk roll that disperses into the silk roll unwinding frame 1, and the bundle is heated through the steam hot box 2, and the solvent between the monofilament is softened, and the monofilament is separated through the pressure empty disperser 3, and the tension controller 4 realizes the tension control, and then is wound into the shape by the winding machine 5.

[0023] The pressurized gas source can be compressed air provided by a compressor, and the compressor can be connected with all the branch pipes 32, and the compressed air can blow the fiber bundle in the main pipe 31 to separate the monofilament.

[0024] Example 2

[0025] The branch pipes 32 can be arranged at an angle with the main pipe 31. The angle between the branch pipes 32 and the main pipe 31 can be 30-60 degrees.

[0026] The number of the branch pipes 32 can be eight. The eight branch pipes 32 are symmetrically arranged, which is more conducive to the separation of the filaments,

[0027] The diameter of the main pipe 31 is larger than that of the branch pipes 32. The size of the main pipe 31 should be convenient for the fiber bundle to enter and disperse after being stressed inside. The diameter of the main pipe 31 can be 8mm. The compressed air enters the main pipe 31 through the branch pipes 32. The diameter of the branch pipes 32 can be 3mm.

[0028] Embodiment 3

[0029] The number of the compressed air dispersers 3 is two. A guide roller 6 can also be arranged between the two compressed air dispersers 3. The filaments are first separated by the compressed air disperser 3, then transported by the guide roller 6 into the compressed air disperser 3 for further separation.

[0030] Embodiment 4

[0031] The tension controller 4 can include two upper and lower skin pressure rollers 41, and the fiber filaments pass between the two skin pressure rollers 41. A guide roller 7 can also be arranged between the tension controller 4 and the winding machine 5. The skin pressure rollers 41 achieve tension control, and then the winding machine 5 is wound into shape through the guide roller 7.

[0032] The utility model discloses a fiber filament to be dispersed is put into the filament roll unwinding frame 1, and the filament bundle is heated to 90 degrees Celsius through the steam heat box 2, and the solvent between the filaments is softened. The filaments are first separated by the compressed air disperser 3, then transported by the guide roller 6 into the compressed air disperser 3 for further separation. The guide roller 6 device with the skin pressure roller achieves tension control, and then the winding machine 5 is wound into shape through the guide roller 7.

[0033] Among them, the steam heat box 2 is a product that can be purchased in the prior art, such as DJRKSZX steam box.

[0034] The above is not involved, which is applicable to the prior art.

[0035] Although some specific embodiments of the present application have been described in detail by examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present application, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, but will not deviate from the direction of the present application or exceed the scope defined by the appended claims. Those skilled in the art should understand that any modification, equivalent replacement, improvement, etc. made according to the technical essence of the present application to the above embodiments should be included in the protection scope of the present application.

Claims

1. A polyimide tow fiber dispersion device characterized by: The device comprises a yarn roll unwinding frame (1), a steam heat box (2), at least one compressed air disperser (3), a tension controller (4) and a winding machine (5) arranged in sequence along the moving direction of the fiber yarn; The compressed air disperser (3) comprises a main pipe (31) and a plurality of branch pipes (32), one end of the branch pipes (32) is arranged on the main pipe (31) and is in communication with the main pipe (31), and the other end of the branch pipes (32) is in communication with a pressurized air source.

2. A polyimide tow fiber dispersion device as defined in claim 1, wherein: The branch pipes (32) and the main pipe (31) are arranged at an inclined angle.

3. A polyimide tow fiber spreading device as defined in claim 1, wherein: The number of the branch pipes (32) is eight.

4. A polyimide tow fiber spreading device as defined in claim 3, wherein: The eight branch pipes (32) are symmetrically arranged.

5. A polyimide tow fiber spreading device as defined in claim 1, wherein: The diameter of the main pipe (31) is greater than that of the branch pipes (32).

6. A polyimide tow fiber spreading device as defined in claim 1, wherein: The diameter of the main pipe (31) is 8 mm, and the diameter of the branch pipes (32) is 3 mm.

7. A polyimide tow fiber spreading device as defined in claim 1, wherein: The number of the compressed air dispersers (3) is two.

8. A polyimide tow fiber spreading device as defined in claim 7, wherein: A guide roller (6) is further arranged between the two compressed air dispersers (3).

9. A polyimide tow fiber spreading device as defined in claim 1, wherein: The tension controller (4) comprises two upper and lower leather-covered pressure rollers (41), and the fiber yarn passes between the two leather-covered pressure rollers (41).

10. A polyimide tow fiber spreading device as defined in claim 1, wherein: A guide roller (7) is further arranged between the tension controller (4) and the winding machine (5).

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