Carbon fiber sizing device

Abstract

The utility model belongs to the technical field of carbon fiber processing, and discloses a carbon fiber sizing device. The stirring structure comprises stirring rods rotationally connected to the inner wall of the box body and distributed in a linear array and three belt pulleys A located on the front face of the box body and fixedly connected with one ends of the three stirring rods, and a belt pulley B is installed on the front face of the belt pulley A located in the middle. Through the design of a stirring structure, a roller structure and a drying structure, a servo motor is started to drive pressing rollers to start to rotate, synchronous rotation of the two pressing rollers is achieved under close fit of a belt pulley D and a belt pulley C, finally power is transmitted to a belt A and three belt pulleys A, a stirring rod rotates in a box body, and drying is achieved. The slurry in the box body is stirred, a high-quality soaking environment is provided for infiltration of the carbon fibers, after the slurry is uniformly stirred, the carbon fibers are pressed into the box body by the pressing rod to be fully soaked, and in the advancing process of the carbon fibers, the carbon fibers are in contact with the scraping plate, so that the redundant slurry is scraped off.

Description

TECHNICAL FIELD

[0001] The utility model belongs to carbon fiber processing technical field, specifically a kind of carbon fiber sizing device. BACKGROUND

[0002] Carbon fiber is a new type of fiber material, its carbon content is as high as 95% or more, with high strength and high modulus characteristics, in the production and processing of carbon fiber, usually adopt soaking method to carry out sizing treatment, the main purpose of this step is to protect the surface activity formed after the treatment of carbon fiber surface, to further help to improve its bonding force (proportion force) with resin matrix, and improve its subsequent processing performance, while effectively prevent the occurrence of hair phenomenon;

[0003] The existing carbon fiber sizing device has the following disadvantages: when carrying out carbon fiber sizing operation, carbon fiber needs to be completely immersed in sizing solution to achieve sizing purpose, however, the current device uses the way that sizing solution is placed in the box, in a non-flowing state, due to the difference in density of different components in sizing solution, during long time standing, the components with larger density will gradually precipitate at the bottom of the box, in this way, when carbon fiber is immersed in such uneven sizing solution, the sizing components adsorbed on the surface of carbon fiber will also present uneven distribution, ultimately leading to uneven sizing effect, seriously affecting the quality stability and performance of carbon fiber, not only that, after completing the soaking sizing step, carbon fiber will be taken out from sizing solution, and some amount of sizing solution will be attached to the surface of carbon fiber, and during subsequent transfer process, these excess sizing solution will drop with the movement of carbon fiber, causing unnecessary waste of sizing solution, at the same time, carbon fiber needs to be dried as soon as possible after sizing to enter the next process, but the existing device lacks effective drying measures, so that carbon fiber cannot reach dry state in a short time, which will undoubtedly prolong the entire production cycle and reduce production efficiency. SUMMARY

[0004] To solve the problems raised in the above background art, the utility model provides a kind of carbon fiber sizing device, including support frame and the box for storing sizing solution assembled in the bottom wall of support frame, and the stirring structure in the inside of box and the outside of support frame, the inner wall of support frame is also provided with roller structure and drying structure;

[0005] The stirring structure includes stirring rod that is rotationally connected to the inner wall of the box and presents linear array distribution, and three A pulleys that are fixedly connected to one end of the three stirring rods and located on the front of the box, and a B pulley that is installed on the front of the A pulley located in the middle, the outside of the B pulley is sleeved with a B belt, and the inner wall of the B belt is also rotationally connected with a C pulley that is closely attached to it, the outside of the three A pulleys is sleeved with an A belt that is closely attached to the outer wall thereof.

[0006] Preferably, the roller structure comprises two symmetrical distribution of compression roller and two D pulley fixedly connected with one end of the compression roller, and a C belt is sleeved outside the two D pulleys, the back of the support frame is provided with a servo motor, and the output end of the servo motor is fixedly connected with the back of one of the compression rollers.

[0007] Preferably, the roller structure further comprises two air cylinders and a movable plate fixedly connected with the air cylinder output end, a pressing rod is installed in the middle of the movable plate, a guide rod is installed on the left side of the pressing rod, and an extension block is installed on the right side of the movable plate.

[0008] Preferably, the drying structure comprises a support rod installed on the top of the extension block, a concentrating plate installed on the top of the support rod, and a hot air machine installed on the top of the concentrating plate, the output end of the hot air machine is communicated with the concentrating plate, and the bottom of the concentrating plate is provided with a linear array of blow pipes.

[0009] Preferably, the middle of the extension block is provided with a scraper, and the scraper is located on the right side of the compression roller.

[0010] Preferably, the back of the C pulley is fixedly connected with the front of the D pulley, and a gap is arranged between the two compression rollers.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] The utility model discloses a stirring structure, roller structure and drying structure design, through servo motor starts and drives the compression roller to begin rotating, realizes the complete synchronous rotation of two compression rollers under the close cooperation of D pulley and C pulley, simultaneously, the rotary power of D pulley continues to be given to C pulley, and C pulley drives B pulley to rotate again, and B pulley and B belt cooperate and work, finally power transmission to A belt and three A pulleys, make the stirring rod rotate in the box, and the slurry in the box is stirred comprehensively, provide stable and high -quality soaking environment for the infiltration processing of carbon fiber, and after the uniform stirring of the slurry, the carbon fiber is pressed into the box and is fully soaked, in the process that carbon fiber goes forward, it will contact with the scraper, and the extra slurry is scraped off, and these scraped slurry is orderly backflowed to the box and is collected and recycled, more ingenious is that, when two compression rollers stably drive carbon fiber to move forward, the hot air machine responds quickly and starts, through the blow pipe, the hot air machine blows out the hot air of suitable temperature and stable wind speed, tightly wraps the moving carbon fiber, and carries out the quick and efficient drying treatment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The whole structure of the utility model is shown Figure 1 ;

[0014] Figure 2 The overall structure of the present application is shown Figure 2 ;

[0015] Figure 3 The overall structure of the present application is shown Figure 3 ;

[0016] Figure 4 The Figure 3 front view is shown schematically.

[0017] Figure 5 The top view structure of the present application is shown schematically.

[0018] In the figure: 1, support frame; 2, box; 3, stirring structure; 31, stirring rod; 32, A pulley; 33, B pulley; 34, B belt; 35, C pulley; 36, A belt; 4, roller structure; 41, compression roller; 42, D pulley; 43, C belt; 44, servo motor; 45, air cylinder; 46, movable plate; 47, compression rod; 48, guide rod; 49, extension block; 5, drying structure; 51, support rod; 52, concentrating plate; 53, hot air blower; 54, air blowing pipe; 55, scraper. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] As Figures 1 to 5 shown, the present application provides a carbon fiber sizing device, which comprises a support frame 1, a box 2 for storing sizing solution assembled at the bottom wall of the support frame 1, and a stirring structure 3 located inside the box 2 and outside the support frame 1, and a roller structure 4 and a drying structure 5 are further arranged at the inner wall of the support frame 1.

[0021] The stirring structure 3 comprises stirring rods 31 rotationally connected to the inner wall of the box 2 and arranged in linear array, and three A pulleys 32 fixedly connected to one end of the three stirring rods 31 and located on the front face of the box 2, and the front face of the A pulley 32 located in the middle is provided with a B pulley 33, the outside of the B pulley 33 is sleeved with a B belt 34, and the inner wall of the B belt 34 is further rotationally connected with a C pulley 35 closely attached thereto, and the outside of the three A pulleys 32 is sleeved with an A belt 36 closely attached to the outer wall thereof.

[0022] Adopt the above scheme: through the design of stirring structure 3, roller structure 4 and drying structure 5, through the servo motor 44 starts to drive the compression roller 41 begins to rotate, under the close cooperation of D pulley 42 and C pulley 35, the complete synchronous rotation of two compression roller 41 is realized, at the same time, the rotary power of D pulley 42 continues to be transmitted to C pulley 35, C pulley 35 drives B pulley 33 to rotate again, B pulley 33 and B belt 34 work together, finally the power is transmitted to A belt 36 and three A pulley 32, so that the stirring rod 31 rotates in the box 2, the slurry in the box 2 is fully stirred, and a stable and high-quality soaking environment is provided for the infiltration treatment of carbon fiber. After the slurry is stirred evenly, the carbon fiber is pressed into the box 2 by the compression rod 47 for full immersion. In the process of carbon fiber moving forward, it will contact with the scraper 55, so that the excess slurry is scraped off. These scraped slurry flows back to the box 2 in an orderly manner for collection and recycling. More cleverly, while the two compression roller 41 stably drives the carbon fiber to move forward, the air heater 53 quickly responds and starts to blow out hot air with suitable temperature and stable wind speed through the blowing pipe 54, tightly wrapping the moving carbon fiber, and carrying out rapid and efficient drying treatment.

[0023] As shown in Figures 1 to 5 , the roller structure 4 includes two symmetrical compression roller 41 and two D pulley 42 fixedly connected with one end of the compression roller 41, and C belt 43 sleeved outside the two D pulley 42. The back of the support frame 1 is provided with a servo motor 44, the output end of the servo motor 44 is fixedly connected with the back of one of the compression roller 41. The roller structure 4 further includes two cylinders 45 and a movable plate 46 fixedly connected with the output end of the cylinder 45. The middle part of the movable plate 46 is provided with a compression rod 47. The left side of the compression rod 47 is provided with a guide rod 48. The right side of the movable plate 46 is provided with an extension block 49.

[0024] Adopt the above scheme: carbon fiber first passes through the guide rod 48 and then passes through the gap in the middle of the two compression roller 41. The cylinder 45 can drive the compression rod 47 to move down, so that the compression rod 47 can press the carbon fiber into the box 2 to contact with the slurry.

[0025] As shown in Figures 1 to 5 , the drying structure 5 includes a support rod 51 installed on the top of the extension block 49, a concentrating plate 52 installed on the top of the support rod 51, and an air heater 53 installed on the top of the concentrating plate 52. The output end of the air heater 53 is connected with the concentrating plate 52, and the bottom of the concentrating plate 52 is provided with a blowing pipe 54 arranged in linear array. The middle part of the extension block 49 is provided with a scraper 55, which is located on the right side of the compression roller 41.

[0026] Adopting the above scheme, the hot air generated by the hot air fan 53 is effectively concentrated and uniformly distributed, the concentrating plate 52 plays a role of converging heat, the hot air blown out by the hot air fan 53 is concentrated and guided to the blowing pipe 54, and the blowing pipe 54 blows the hot air to the material surface uniformly, so that the material can be rapidly and fully contacted with the hot air after passing through the roller structure 4, efficient drying is realized, the excess slurry on the material surface can be scraped by the scraper 55 in time, liquid residues on the material surface can be reduced, problems such as uneven drying and surface defects caused by liquid residues can be avoided, excess liquid can be recycled, resource recycling is realized, and production cost is reduced.

[0027] As shown in Figures 1 to 5 The back surface of the C pulley 35 is fixedly connected with the front surface of the D pulley 42, and a gap is arranged between the two compression rollers 41.

[0028] Adopting the above scheme, the back surface of the C pulley 35 is fixedly connected with the front surface of the D pulley 42, so that power can be efficiently transmitted from the servo motor 44 to the C pulley 35 through the D pulley 42 on the compression roller 41, and the rotation of the B pulley 33 driven by the C pulley 35 and the compression roller 41 is kept synchronous, which is very important for ensuring the stability and coordination of the entire production process in the liquid crystal polyarylate fiber spinning device, for example, the stirring speed of the stirring rod 31 can be matched with the conveying speed of the compression roller 41 to the carbon fiber, so that uniform stirring and stable fiber processing are realized.

[0029] Working principle of the utility model:

[0030] First, the pulp is injected into the box 2, the servo motor 44 is started, a compression roller 41 is rotated by the servo motor 44, under the transmission of the D pulley 42 and the C belt 43, the synchronous rotation of the two compression rollers 41 is realized, at the same time, the power is transmitted to the B pulley 33 through the C pulley 35, then the B belt 34 and the A belt 36 drive the stirring rod 31 to rotate at high speed in the box 2, the pulp is fully mixed, the preparation for the sizing of carbon fibers is completed, then the carbon fibers are guided to the bottom of the pressing rod 47 through the guide rod 48, then pass through the gap in the middle of the two compression rollers 41, the pressing rod 47 is lowered by controlling the air cylinder 45, the carbon fibers are pressed into the pulp in the box 2, the carbon fibers are fully immersed in the pulp, then the immersed carbon fibers continue to move forward under the drive of the compression roller 41, at this time, the scraper 55 in the middle of the extension block 49 scrapes the excess pulp on the surface of the carbon fibers, the scraped pulp flows back to the box 2 for recycling, the uniformity and accuracy of the sizing amount of the carbon fibers are ensured, finally, the hot air machine 53 installed on the top of the extension block 49 is started, the hot air generated by the hot air machine 53 is gathered by the concentrating plate 52 and then uniformly blown out by the linear array distributed blowing pipe 54, the carbon fibers are quickly and efficiently dried, so that the sized carbon fibers can quickly reach the required dry state for subsequent processing.

[0031] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A carbon fiber sizing device characterized by: The utility model provides a kind of slurry mixing device, including support frame (1) and the box (2) for storing slurry assembled at the bottom wall of support frame (1), and the stirring structure (3) located inside box (2) and outside support frame (1), the inner wall of the support frame (1) is also provided with roller structure (4) and drying structure (5); The stirring structure (3) includes stirring rods (31) rotationally connected to the inner wall of the box (2) and arranged in a linear array, and three A pulleys (32) fixedly connected to one end of the three stirring rods (31) on the front face of the box (2), wherein the front face of the A pulley (32) located in the middle is provided with a B pulley (33), the outer portion of the B pulley (33) is sleeved with a B belt (34), and the inner wall of the B belt (34) is further rotationally connected with a C pulley (35) closely attached thereto, and the outer portion of the three A pulleys (32) is sleeved with an A belt (36) closely attached to the outer wall thereof.

2. The carbon fiber sizing device according to claim 1, wherein: The roller structure (4) includes two symmetrically arranged compression rollers (41), two D pulleys (42) fixedly connected to one end of the compression rollers (41), and a C belt (43) sleeved on the outer portion of the two D pulleys (42), and a servo motor (44) is installed on the back face of the support frame (1), and the output end of the servo motor (44) is fixedly connected to the back face of one of the compression rollers (41).

3. A carbon fiber sizing device according to claim 2, wherein: The roller structure (4) further includes two air cylinders (45) and movable plates (46) fixedly connected to the output end of the air cylinders (45), a pressing rod (47) installed on the middle portion of the movable plate (46), a guide rod (48) installed on the left side of the pressing rod (47), and an extension block (49) installed on the right side face of the movable plate (46).

4. The carbon fiber sizing device according to claim 3, wherein: The drying structure (5) includes a support rod (51) installed on the top of the extension block (49), a concentrating plate (52) installed on the top of the support rod (51), and a hot air machine (53) installed on the top of the concentrating plate (52), and the output end of the hot air machine (53) is connected to the concentrating plate (52), and the bottom of the concentrating plate (52) is provided with blow pipes (54) arranged in a linear array.

5. A carbon fiber sizing device according to claim 4, wherein: The middle portion of the extension block (49) is provided with a scraper (55), and the scraper (55) is located on the right side face of the compression roller (41).

6. The carbon fiber sizing device of claim 2, wherein: The back face of the C pulley (35) is fixedly connected to the front face of the D pulley (42), and a gap is provided between the two compression rollers (41).

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