CN112011875A - Air blowing type carbon fiber tension expanding equipment - Google Patents

Abstract

The invention discloses air blowing type carbon fiber tension expansion equipment which comprises a shell, an unwinding roller, a winding roller, a plurality of traction rollers and an air blowing device, wherein a feeding hole and a discharging hole are formed in the shell; the unwinding roller is arranged outside the shell and close to the feeding hole and is used for unwinding the carbon fibers so that the carbon fibers enter the shell through the feeding hole; the winding roller is arranged outside the shell and close to the discharge port and is used for winding the carbon fibers discharged from the discharge port; the plurality of traction rollers are arranged in the shell in parallel at intervals and are used for drawing the carbon fibers entering the shell so that the carbon fibers can be wound by the winding rollers; the blowing device is arranged in the shell and used for uniformly blowing the carbon fibers passing through the plurality of traction rollers at present. The air blowing type carbon fiber tension expansion equipment can uniformly blow carbon fibers, and is good in tension expansion effect and simple in structure.

Description

Air-blown carbon fiber tension expansion equipment

technical field

The invention relates to the technical field of fiber expansion, in particular to an air-blown carbon fiber tension expansion device.

Background technique

Carbon fiber is a new type of fiber material with high strength and high modulus. Its density is lower than that of metal aluminum, but its strength is higher than that of steel. At the same time, it also has the characteristics of corrosion resistance and high temperature resistance. Carbon fiber not only has the inherent properties of carbon materials, but also has the softness and processability of textile fibers. It is a new generation of reinforcing fibers.

Carbon fiber needs to be tension expanded during the processing process. There are many types of tension expansion equipment on the market today, but they all have certain shortcomings. The specific problems are as follows:

(1) The existing tension expansion equipment is inconvenient to clean the carbon fiber, resulting in a large amount of lint easily attached to the outer wall of the carbon fiber;

(2) The existing tension expansion equipment is inconvenient to uniformly blow the carbon fiber, which causes the carbon fiber to be easily affected by the uneven force and affect the expansion effect of the carbon fiber;

(3) The existing tension expansion equipment is inconvenient to heat-press the carbon fiber, which causes the carbon fiber to be easily wrinkled, thereby affecting the integrity of the fiber.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an air-blown carbon fiber tension expansion device, which can perform uniform air-blowing treatment on carbon fibers, has a good tension expansion effect and a simple structure.

An air-blown carbon fiber tension expansion device according to an embodiment of the present invention includes:

a shell, the shell is provided with a feeding port and a discharging port;

an unwinding roller, the unwinding roller is arranged outside the casing and is adjacent to the feeding port, and is used to unwind the carbon fiber, so that the carbon fiber enters the casing through the feeding port;

a winding roller, the winding roller is disposed outside the casing and adjacent to the discharge port, and is used for winding the carbon fibers coming out of the discharge port;

a plurality of pulling rollers, the plurality of pulling rollers are arranged in the casing in parallel and spaced apart, and are used for pulling the carbon fibers entering the casing, so that the winding rollers can wind the carbon fibers roll;

an air blowing device, the air blowing device is arranged in the casing, and is used for uniformly blowing air to the carbon fibers currently passing through the plurality of the pulling rollers.

According to an embodiment of the present invention, the housing is provided with an air inlet for supplying air to the air blowing device; the housing is provided with an exhaust port for exhausting air to the outside.

According to the air-blown carbon fiber tension expansion device according to the embodiment of the present invention, during the working process, the carbon fiber is unwinded by the unwinding roller, so that the carbon fiber enters the inside of the casing from the feeding port, and the plurality of traction rollers inside the casing are paired with each other. The carbon fibers are drawn, and the carbon fibers that are currently passing through multiple drawing rollers are blown uniformly by the blowing device to perform tension expansion processing on the carbon fibers. The processed carbon fibers pass through the discharge port and are wound by the winding rollers. To sum up, the air-blown carbon fiber tension expansion device of the embodiment of the present invention can uniformly blow the carbon fibers, has a good tension expansion effect and a simple structure.

According to a further embodiment of the present invention, the air blowing device is arranged at the bottom wall in the casing, and the plurality of traction rollers are located above the air blowing device, and the air blowing device includes an air storage tank, a grid a gas storage component and a plurality of gas equalizing nozzles; the gas storage tank is communicated with the air inlet, the gas storage component includes a plurality of compartments, and the gas storage component is located in the gas storage tank Above, a plurality of the compartments are communicated with the gas storage tank respectively, and a plurality of the gas equalizing nozzles are evenly distributed on the top of the grid-shaped gas storage component and correspond to the plurality of the grids one-to-one. Room is connected.

According to a further embodiment of the present invention, the air blowing device further includes a plurality of circulation pipes, and the plurality of circulation pipes are respectively connected between the plurality of cells and the air storage tank in a one-to-one correspondence.

According to some embodiments of the present invention, it further includes a heat-pressing roller, the heat-pressing roller is arranged in parallel with the plurality of the traction rollers, and in the direction of the movement of the carbon fibers, a part of the traction rollers in the plurality of the traction rollers Located in front of the heat-pressing roller, the rest of the drawing rollers among the plurality of pulling rollers are located behind the heat-pressing roller, and the heat-pressing roller is used for heat-pressing the carbon fibers.

According to some embodiments of the present invention, an expansion chamber and a cleaning chamber are provided in the housing, the expansion chamber is located below the cleaning chamber, and the expansion chamber and the cleaning chamber are separated by a partition, so The spacer is provided with a through port for the carbon fiber to pass through, the expansion chamber communicates with the discharge port, the cleaning chamber communicates with the feed port, and the The cleaning device for the lint on the outer wall of carbon fiber is described.

According to a further embodiment of the present invention, it further includes a first guide roller and a second guide roller, and the cleaning device is arranged between the first guide roller and the second guide roller.

According to a further embodiment of the present invention, the cleaning device includes a first brush plate and a second brush plate; the first brush plate and the second brush plate are disposed opposite to each other in the up-down direction, and are used for cleaning the carbon fiber During the movement between the first brush plate and the second brush plate, the lint on the outer walls on both sides of the carbon fiber is brushed off.

According to a further embodiment of the present invention, the cleaning device further includes a first elastic component and a second elastic component; the first elastic component is located between the first brush plate and the top wall of the cleaning chamber, and is used for for supporting the first brush plate; the second elastic component is located between the second brush plate and the spacer, and is used for supporting the second brush plate.

According to a further embodiment of the present invention, the first elastic component includes a first return spring module and a first elastic sheet; the first return spring modules are distributed at both ends of the first brush plate, and the first The return spring module includes a first positioning cylinder, a first return spring and a first sliding rod. One end of the first positioning cylinder is fixed with the top wall of the cleaning chamber and the other end faces the first brush plate. A return spring is arranged in the first positioning cylinder in a compressed state, and one end is connected with the inner wall of the first positioning cylinder, and the first sliding rod slidably passes through the other end of the first positioning cylinder, One end of the first sliding rod is connected with the other end of the first return spring, and the other end of the first sliding rod is fixed with the first brush plate; Between the first return spring modules at both ends of a brush plate, the first elastic pieces are respectively clamped with the first brush plate and the top wall of the cleaning chamber;

The second elastic assembly includes a second return spring module and a second elastic sheet; the second return spring modules are distributed at both ends of the second brush plate, and the second return spring module includes a second positioning cylinder, A second return spring and a second sliding rod, one end of the second positioning cylinder is fixed with the spacer and the other end faces the second brush plate, the second return spring is arranged in a compressed state on the second One end of the positioning cylinder is connected with the inner wall of the second positioning cylinder, the second sliding rod slidably passes through the other end of the second positioning cylinder, and one end of the second sliding rod is connected to the first The other ends of the two return springs are connected, and the other end of the second sliding rod is fixed with the second brush plate; the second elastic pieces are arranged on the second Between the return spring modules, the second elastic pieces are respectively clamped with the second brush plate and the spacer.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic structural diagram of an air-blown carbon fiber tension expansion device according to an embodiment of the present invention.

FIG. 2 is an enlarged view of part A in FIG. 1 .

FIG. 3 is an enlarged view of B in FIG. 1 .

FIG. 4 is a schematic structural diagram of a grid-shaped gas storage part and a gas equalizing nozzle of an air-blown carbon fiber tension expansion device according to an embodiment of the present invention.

Reference number:

Air-blown carbon fiber tension expansion equipment 1000

Shell 1 Inlet port 11 Outlet port 12 Inlet port 13 Exhaust port 14 Expansion chamber 15 Cleaning chamber 16

Spacer 17 Port 171

Unwinding Roller 2

take-up roller 3

traction roller 4

Air blowing device 5 Air storage tank 51 Grid-shaped air storage part 52 Air equalizing nozzle 53 Circulation pipe 54

Hot pressing roller 6 Guide shaft 61 Heating block 62

first guide roller 7

second guide roller 8

Cleaning device 9 First brush plate 91 Second brush plate 92

first elastic component 93 first return spring module 931 first positioning cylinder 9311 first return spring 9312

The first sliding rod 9313 The first elastic piece 932 The second elastic component 94 The second return spring module 941

The second positioning cylinder 9411 The second return spring 9412 The second sliding rod 9413 The second elastic piece 942

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

The air-blown carbon fiber tension expansion device 1000 according to the embodiment of the present invention will be described below with reference to FIGS. 1 to 4 .

As shown in FIG. 1 , an air-blown carbon fiber tension expansion device 1000 according to an embodiment of the present invention includes a housing 1 , an unwinding roller 2 , a winding roller 3 , a plurality of pulling rollers 4 and an air blowing device 5 . The housing 1 There is a feeding port 11 and a discharging port 12 on the upper; the unwinding roller 2 is arranged outside the casing 1 and is adjacent to the feeding port 11, and is used to unwind the carbon fiber, so that the carbon fiber enters the casing through the feeding port 11. 1; the winding roller 3 is arranged outside the casing 1 and is adjacent to the outlet 12 for winding the carbon fibers coming out of the outlet 12; a plurality of traction rollers 4 are arranged in parallel and spaced apart on the casing Inside the body 1, it is used to draw the carbon fibers entering the casing 1, so that the winding rollers 3 can wind the carbon fibers; Carbon fiber for uniform blowing.

Specifically, the shell 1 is provided with a feed port 11 and a discharge port 12, the carbon fibers enter the shell 1 through the feed port 11, the carbon fibers are subjected to tension expansion treatment in the shell 1, and the carbon fibers processed in the shell 1 are completed. out through the discharge port 12.

The unwinding roller 2 is arranged outside the casing 1 and is adjacent to the feeding port 11, and is used to unwind the carbon fiber, so that the carbon fiber enters the casing 1 through the feeding port 11; Outside and close to the outlet 12 , it is used to wind up the carbon fibers coming out of the outlet 12 . It can be understood that when the air-blown carbon fiber tension expansion device 1000 is used, the carbon fiber is unwinded by the unwinding roller 2, so that the carbon fiber enters the shell 1 through the feed port 11 and undergoes tension expansion treatment. The carbon fibers pass through the outlet 12 and are wound by the winding roller 3 .

A plurality of pulling rollers 4 are arranged in the casing 1 in parallel and spaced apart for pulling the carbon fibers entering the casing 1 , so that the winding rollers 3 wind the carbon fibers. It can be understood that the plurality of pulling rollers 4 pull the carbon fibers and change the direction of the carbon fibers, so as to facilitate the expansion processing and the winding processing.

The air blowing device 5 is arranged in the casing 1 and is used for uniformly blowing the carbon fibers passing through the plurality of pulling rollers 4 . It can be understood that the carbon fibers passing through the plurality of traction rollers 4 can be uniformly blown by the air blowing device 5, so that the carbon fibers can be subjected to tension expansion treatment, and at the same time, the carbon fibers can be blown evenly under the condition of uniform air blowing by the air blowing device 5. The expansion effect of the pneumatic carbon fiber tension expansion equipment 1000 is good.

According to the air-blown carbon fiber tension expansion device 1000 according to the embodiment of the present invention, during the working process, the carbon fiber is unwinded by the unwinding roller 2, so that the carbon fiber enters the inside of the shell 1 through the feeding port 11, and the inside of the shell 1 The carbon fibers are drawn by a plurality of pulling rollers 4, and the carbon fibers that are currently passing through the plurality of pulling rollers 4 are uniformly blown through the air blowing device 5, so as to perform tension expansion treatment on the carbon fibers. The processed carbon fibers pass through the discharge port 12. The winding roller 3 performs winding processing. To sum up, the air-blown carbon fiber tension expansion device 1000 according to the embodiment of the present invention can perform uniform air-blowing treatment on carbon fibers, has a good tension expansion effect and a simple structure.

According to an embodiment of the present invention, the housing 1 is provided with an air inlet 13 for supplying air to the air blowing device 5 ; the housing 1 is provided with an exhaust port 14 for exhausting air to the outside. Specifically, the air inlet 13 is connected with the air blowing device 5 to supply air into the air blowing device 5, and the air outlet 14 is provided on the casing 1 to exhaust air to the outside, so as to prevent the internal pressure of the casing 1 from being too large and improve the safety.

Preferably, the exhaust port 14 is an exhaust mesh port, which can prevent external dust and sundries from entering the housing 1 and ensure the expansion effect of carbon fibers.

As shown in FIG. 1 , according to a further embodiment of the present invention, an air blowing device 5 is arranged at the bottom wall of the casing 1 , and a plurality of traction rollers 4 are located above the air blowing device 5 , and the air blowing device 5 includes an air storage tank 51. A grid-shaped gas storage member 52 and a plurality of gas equalizing nozzles 53; the gas storage tank 51 is communicated with the air inlet 13, the grid-shaped gas storage member 52 includes a plurality of cells, and the grid-shaped gas storage member 52 is located in the gas storage tank 51 Above , a plurality of cells communicate with the gas storage tank 51 respectively, and a plurality of gas equalization nozzles 53 are evenly distributed on the top of the lattice-shaped gas storage member 52 and communicate with a plurality of cells in a one-to-one correspondence. It can be understood that the air blowing device 5 is arranged at the bottom wall of the housing 1, and can evenly blow the carbon fibers currently passing through the plurality of traction rollers 4 from below; during the air blowing process, the high-pressure gas passes through the air inlet. 13 enters the gas storage tank 51, and the high-pressure gas in the gas storage tank 51 flows into the interior of the multiple cells of the grid-shaped gas storage member 52, and the multiple cells supply gas to the multiple gas equalizing nozzles 53 in one-to-one correspondence. In this way, The grid-shaped gas storage member 52 has a small pressure drop, and the multiple gas equalizing nozzles 53 discharge air evenly, which can effectively improve the tension expansion effect.

As shown in FIG. 1 and FIG. 4, according to a further embodiment of the present invention, the air blowing device 5 further includes a plurality of circulation pipes 54, and the plurality of circulation pipes 54 are respectively connected to the plurality of cells and the air storage tank in a one-to-one correspondence. between 51. Specifically, the plurality of circulation pipes 54 are arranged above the gas storage tank 51 at equal intervals. One end of the plurality of circulation pipes 54 is communicated with the gas storage tank 51 , and the other end is in a one-to-one correspondence with the plurality of grids in the grid-shaped gas storage member 52 . The chambers are communicated so that the high-pressure gas in the gas storage tank 51 flows into the grid-shaped gas storage member 52 through the flow pipe 54 .

As shown in FIG. 1 and FIG. 3 , according to some embodiments of the present invention, it further includes a heat-pressing roller 6 , which is arranged in parallel with the plurality of traction rollers 4 . A part of the pulling rollers 4 are located in front of the heat-pressing rollers 6 , and the rest of the pulling rollers 4 among the plurality of pulling rollers 4 are located behind the heat-pressing rollers 6 , which are used for heat-pressing the carbon fibers. Specifically, a guide shaft 61 is provided at the central axis inside the heat-pressing roller 6, and one end of the guide shaft 61 is movably connected to the inner wall of the expansion chamber 15, so that the heat-pressing roller 6 can rotate as the carbon fiber rotates, and the heat-pressing roller 6. A heating block 62 is installed inside. During operation, a part of the traction rollers 4 of the plurality of traction rollers 4 are located in front of the hot-pressing roller 6, and the rest of the traction rollers 4 of the plurality of traction rollers 4 are located at the back of the hot-pressing roller 6. , to guide the carbon fiber, operate the external switch to control the heating block 62 to heat, so that the heating block 62 releases heat and transfers it to the outer wall of the hot pressing roller 6, the two hot pressing rollers 6 are used together, and the carbon fiber passes through the two hot pressing rollers Between 6 and 6, the carbon fibers are subjected to hot pressing, thereby reducing the phenomenon of carbon fibers wrinkling when the air-blown carbon fiber tension expansion device 1000 is used, and ensuring the integrity of the fibers in the carbon fibers.

According to some embodiments of the present invention, the housing 1 is provided with an expansion chamber 15 and a cleaning chamber 16, the expansion chamber 15 is located below the cleaning chamber 16, and the expansion chamber 15 and the cleaning chamber 16 are separated by an isolation member 17, and the isolation member 17 is provided with a through port 171 for the carbon fiber to pass through, the expansion chamber 15 is communicated with the discharge port 12, the cleaning chamber 16 is communicated with the feed port 11, and the cleaning chamber 16 is provided with a cleaning device 9 for cleaning the lint attached to the outer wall of the carbon fiber. . Specifically, the carbon fibers enter the cleaning chamber 16 through the feed port 11 , and then the lint attached to the outer wall of the carbon fibers is cleaned by the cleaning device 9 , and the cleaned carbon fibers enter the expansion chamber 15 through the through port 171 , and carry out the cleaning process in the expansion chamber 15 . Tension expansion, the carbon fiber after the tension expansion is completed comes out through the discharge port 12.

According to a further embodiment of the present invention, a first guide roller 7 and a second guide roller 8 are further included, and the cleaning device 9 is arranged between the first guide roller 7 and the second guide roller 8 . It can be understood that, as shown in FIG. 1 , the direction of the carbon fibers is changed by the first guide roller 7 , and the first guide roller 7 and the second guide roller 8 are arranged on both sides of the cleaning device 9 , so that the carbon fibers can just pass through the cleaning device 9 . , and then the direction of the carbon fibers is changed again by the second guide roller 8 , so that the carbon fibers can just pass through the opening 171 .

As shown in FIGS. 1 and 2, according to a further embodiment of the present invention, the cleaning device 9 includes a first brush plate 91 and a second brush plate 92; the first brush plate 91 and the second brush plate 92 are opposite in the up-down direction It is provided for brushing off the lint on the outer walls on both sides of the carbon fiber when the carbon fiber travels between the first brush plate 91 and the second brush plate 92 . It can be understood that the first brush plate 91 and the second brush plate 92 are attached to the outer walls on both sides of the carbon fiber. When the carbon fiber passes between the first brush plate 91 and the second brush plate 92, the first brush plate 91 and the second brush plate 92. The second brush plate 92 can brush off the lint on the outer walls of the carbon fibers on both sides, so as to clean the carbon fibers.

As shown in FIGS. 1 and 2 , according to a further embodiment of the present invention, the cleaning device 9 further includes a first elastic component 93 and a second elastic component 94 ; the first elastic component 93 is located at the first brush plate 91 and the cleaning chamber 16 The second elastic component 94 is located between the second brush plate 92 and the spacer 17 and is used to support the second brush plate 92 . It can be understood that the first brush plate 91 and the top wall of the cleaning chamber 16 are connected by the first elastic component 93, and the second brush plate 92 and the spacer 17 are connected by the second elastic component 94, so that the first brush plate 92 is connected to the spacer 17. 91 and the second brush plate 92 can be elastically attached to the outer walls of both sides of the carbon fiber to adapt to carbon fibers of different sizes, and have good applicability.

As shown in FIGS. 1 and 2 , according to a further embodiment of the present invention, the first elastic component 93 includes a first return spring module 931 and a first elastic piece 932 ; the first return spring module 931 is distributed on the first brush plate 91 . At both ends, the first return spring module 931 includes a first positioning cylinder 9311, a first return spring 9312 and a first sliding rod 9313. One end of the first positioning cylinder 9311 is fixed to the top wall of the cleaning chamber 16 and the other end faces the first The brush plate 91, the first return spring 9312 is arranged in the first positioning cylinder 9311 in a compressed state and one end is connected to the inner wall of the first positioning cylinder 9311, and the first sliding rod 9313 can slide through the other end of the first positioning cylinder 9311 At the end, one end of the first sliding rod 9313 is connected with the other end of the first return spring 9312, and the other end of the first sliding rod 9313 is fixed with the first brush plate 91; the first elastic pieces 932 are arranged on the first brush plate 91 Between the first return spring modules 931 at both ends, the first elastic pieces 932 are respectively clamped with the first brush plate 91 and the top wall of the cleaning chamber 16;

The second elastic assembly 94 includes a second return spring module 941 and a second elastic sheet 942; the second return spring modules 941 are distributed at both ends of the second brush plate 92, and the second return spring module 941 includes a second positioning cylinder 9411, a first Two return springs 9412 and a second sliding rod 9413, one end of the second positioning cylinder 9411 is fixed to the spacer 17 and the other end faces the second brush plate 92, the second return spring 9412 is arranged in the second positioning cylinder 9411 in a compressed state and One end is connected with the inner wall of the second positioning cylinder 9411, the second sliding rod 9413 slidably passes through the other end of the second positioning cylinder 9411, and one end of the second sliding rod 9413 is connected with the other end of the second return spring 9412, The other end of the second sliding rod 9413 is fixed to the second brush plate 92; the second elastic pieces 942 are arranged between the second return spring modules 941 distributed at both ends of the second brush plate 92, and the second elastic pieces 942 are respectively connected to the The two brush plates 92 are snap-connected to the spacer 17 .

It can be understood that the first elastic sheet 932 and the first positioning cylinder 9311 are respectively fixed to the top wall of the cleaning chamber 16, and the second elastic sheet 942 and the second positioning cylinder 9411 are respectively fixed to the spacer 17. The return spring 9412 has good elasticity, so that the first sliding rod 9313 and the second sliding rod 9413 can slide in the first positioning cylinder 9311 and the second positioning cylinder 9411 respectively, and then the first brush plate 91 and the second brush plate The lifting range of 92 is limited, so that the first brush plate 91 and the second brush plate 92 are respectively attached to the outer walls on both sides of the carbon fiber. The first elastic piece 932 supports the middle of the first brush plate 91, and the second elastic piece 942 The middle part of the second brush plate 92 is supported to ensure that the first brush plate 91 and the second brush plate 92 are closely attached to the outer walls of the carbon fiber on both sides respectively.

Preferably, the first sliding rod 9313 is a T-shaped rod, and the length of the transverse rod of the T-shaped rod is greater than the opening width of the first positioning cylinder 9311, thereby preventing the first sliding rod 9313 from sliding out of the first positioning cylinder 9311, and the second positioning cylinder 9311. The sliding rod 9413 is a T-shaped rod, and the length of the transverse rod of the T-shaped rod is greater than the opening width of the second positioning cylinder 9411 , thereby preventing the second sliding rod 9413 from sliding out of the second positioning cylinder 9411 .

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. An air-blowing carbon fiber tension expanding device is characterized by comprising:

the device comprises a shell, a feed inlet and a discharge outlet are arranged on the shell;

the unwinding roller is arranged outside the shell and close to the feeding hole and is used for unwinding the carbon fibers so that the carbon fibers enter the shell through the feeding hole;

the winding roller is arranged outside the shell and close to the discharge port and is used for winding the carbon fibers discharged from the discharge port;

the drawing rollers are arranged in the shell in parallel and at intervals and are used for drawing the carbon fibers entering the shell so that the carbon fibers can be wound by the winding rollers;

and the blowing device is arranged in the shell and is used for uniformly blowing the carbon fibers which pass through the plurality of traction rollers at present.

2. The air blowing type carbon fiber tension expanding device as claimed in claim 1, wherein an air inlet for supplying air to the air blowing device is provided on the housing; the shell is provided with an exhaust port for exhausting air outwards.

3. An air blowing type carbon fiber tension expanding device as claimed in claim 2, wherein said air blowing means is provided at a bottom wall in said housing, a plurality of said drawing rolls are located above said air blowing means, and said air blowing means comprises an air storage tank, a lattice-like air storage member and a plurality of air equalizing nozzles; the air storage tank with the air inlet intercommunication, latticed gas storage component includes a plurality of check rooms, latticed gas storage component is located the top of air storage tank, and is a plurality of the check room respectively with the air storage tank intercommunication, it is a plurality of equal air cock interval distributes uniformly the top of latticed gas storage component and one-to-one with a plurality of the check room intercommunication.

4. The air blowing type carbon fiber tension expanding device as claimed in claim 3, wherein the air blowing means further comprises a plurality of flow pipes, and the plurality of flow pipes are respectively communicated between the plurality of cells and the air storage tank in a one-to-one correspondence.

5. The air blowing type carbon fiber tension expanding device according to any one of claims 1 to 4, further comprising a hot press roll arranged in parallel with the plurality of drawing rolls, wherein in the moving flow direction of the carbon fibers, a part of the plurality of drawing rolls is positioned in front of the hot press roll, and the rest of the plurality of drawing rolls is positioned behind the hot press roll, and the hot press roll is used for hot pressing the carbon fibers.

6. An air blowing type carbon fiber tension expanding device according to any one of claims 1-3, wherein an expanding chamber and a cleaning chamber are arranged in the shell, the expanding chamber is located below the cleaning chamber, the expanding chamber and the cleaning chamber are separated through a partition, the partition is provided with a through hole for the carbon fibers to pass through, the expanding chamber is communicated with the discharge hole, the cleaning chamber is communicated with the feed hole, and a cleaning device for cleaning the carbon fibers attached to the outer wall of the carbon fibers is arranged in the cleaning chamber.

7. The apparatus for expanding tension of air blown carbon fiber according to claim 5 further comprising a first guide roller and a second guide roller, said cleaning means being disposed between said first guide roller and said second guide roller.

8. An air blowing type carbon fiber tension spreading device as in claim 7, wherein the cleaning device comprises a first brush plate and a second brush plate; the first brush plate and the second brush plate are arranged oppositely in the vertical direction and used for brushing off fiber velvet on the outer walls of two sides of the carbon fibers when the carbon fibers move between the first brush plate and the second brush plate.

9. The apparatus for expanding tension of air blown carbon fiber as claimed in claim 8, wherein said cleaning means further comprises a first elastic member and a second elastic member; the first elastic assembly is positioned between the first brush plate and the top wall of the cleaning chamber and is used for supporting the first brush plate; the second elastic assembly is located between the second brush plate and the partition and used for supporting the second brush plate.

10. The air blown carbon fiber tension spreading device of claim 9,

the first elastic assembly comprises a first return spring module and a first elastic sheet; the first reset spring modules are distributed at two ends of the first brush board and comprise a first positioning cylinder, a first reset spring and a first slide bar, one end of the first positioning cylinder is fixed with the top wall of the cleaning chamber, the other end of the first positioning cylinder faces the first brush board, the first reset spring is arranged in the first positioning cylinder in a compressed state, one end of the first reset spring is connected with the inner wall of the first positioning cylinder, the first slide bar penetrates through the end part of the other end of the first positioning cylinder in a sliding mode, one end of the first slide bar is connected with the other end of the first reset spring, and the other end of the first slide bar is fixed with the first brush board; the first elastic sheets are arranged among the first return spring modules distributed at two ends of the first brush plate and are respectively clamped with the first brush plate and the top wall of the cleaning chamber;

the second elastic assembly comprises a second return spring module and a second elastic sheet; the second reset spring modules are distributed at two ends of the second brush board and comprise a second positioning cylinder, a second reset spring and a second sliding rod, one end of the second positioning cylinder is fixed with the isolating piece, the other end of the second positioning cylinder faces the second brush board, the second reset spring is arranged in the second positioning cylinder in a compressed state, one end of the second reset spring is connected with the inner wall of the second positioning cylinder, the second sliding rod penetrates through the end part of the other end of the second positioning cylinder in a sliding mode, one end of the second sliding rod is connected with the other end of the second reset spring, and the other end of the second sliding rod is fixed with the second brush board; the second elastic pieces are arranged between the second reset spring modules distributed at two ends of the second brush plate and are respectively clamped with the second brush plate and the isolating piece.

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