CN212582169U

CN212582169U - Carbon fiber tow sizing treatment device

Info

Publication number: CN212582169U
Application number: CN202021132824.1U
Authority: CN
Inventors: 谈昆仑; 张亚康; 李飞
Original assignee: Changzhou Hongfa Zongheng Advanced Material Technology Co Ltd
Current assignee: Changzhou Hongfa Zongheng Advanced Material Technology Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-23
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a carbon fiber technology field especially relates to a carbon fiber tow sizing processing apparatus, include: the carbon fiber tow production device comprises a soaking tank, wherein slurry used in the carbon fiber tow production process is filled in the soaking tank; the dipping roller is rotationally arranged in the dipping tank, and the carbon fiber tows wrap around and pass through the dipping roller for sizing; the steering rollers are arranged on the outer side of the slurry soaking tank and used for changing the advancing angle of the carbon fiber tows, and the steering rollers are provided with a plurality of steering rollers; the air flow sweeping and blowing mechanism is positioned at the rear side of the slurry dipping tank in the moving direction of the carbon fiber tows and arranged between the two steering rollers, two opposite air blowing boxes are arranged on the air flow sweeping and blowing mechanism, and the two air blowing boxes are arranged at two sides of the carbon fiber tows; wherein the two blow boxes are arranged towards the carbon fiber tows in a blowing mode. The utility model discloses a with the compression roller cancellation of the dressing trough export among the prior art, adopt the air current to sweep the formula structure and handle the tow that the starching is accomplished, control tow starching volume and starching homogeneity that can be fine.

Description

Carbon fiber tow sizing treatment device

Technical Field

The utility model relates to the technical field of, especially, relate to a carbon fiber tow sizing processing apparatus.

Background

The carbonization production of the carbon fiber comprises the processes of oxidation, carbonization, surface treatment, sizing, rolling and the like. Active groups are introduced to the surface of the carbon fiber in the surface treatment process to improve the interface bonding capability of the carbon fiber, and in the subsequent sizing process, a layer of adhesive film is formed on the surface of the carbon fiber, namely the active groups are protected to protect the fiber from being damaged, and simultaneously, the carbon fiber monofilaments are bonded together to improve the bundling property and flexibility of the fiber, so that the carbon fiber is convenient to use in subsequent processing, such as weaving, prepreg production and the like.

In the prior art, the currently mainly adopted sizing form is immersion sizing, and a pressing roller is arranged at the outlet of a sizing groove to extrude the sized tows, so that redundant sizing agent is extruded.

However, this method has many disadvantages, because the pressure roller is a rubber roller, the precision of the roller can be greatly changed especially under the condition of pressure, the gaps between the middle and two ends of the rubber roller are different, which causes the sizing amount of the filament bundle to be inconsistent, and the situation that the middle is more and two sides are less occurs. In addition, in the process of sizing carbon fiber, a liquid film is formed among monofilaments due to the surface tension of a sizing agent, and meanwhile, due to broken filaments generated in the production process, local excessive sizing of the sizing agent is caused, the sizing agent is unevenly distributed, and the use of the subsequent production is influenced.

In view of the above problems, the present designer is actively making research and innovation based on the practical experience and professional knowledge that is abundant for many years in engineering application of such products, in order to create a carbon fiber tow sizing treatment device, so that the carbon fiber tow sizing treatment device has higher practicability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provided is a carbon fiber tow sizing treatment device which improves the uniformity of sizing.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a carbon fiber tow sizing treatment device comprising:

the carbon fiber tow production device comprises a soaking tank, wherein slurry used in the carbon fiber tow production process is filled in the soaking tank;

the dipping roller is rotationally arranged in the dipping tank, and the carbon fiber tows wrap around and pass through the dipping roller for sizing;

the steering rollers are arranged on the outer side of the slurry soaking tank and used for changing the advancing angle of the carbon fiber tows, and the steering rollers are provided with a plurality of steering rollers;

the air flow sweeping and blowing mechanism is positioned at the rear side of the slurry dipping tank in the moving direction of the carbon fiber tows and arranged between the two steering rollers, two opposite air blowing boxes are arranged on the air flow sweeping and blowing mechanism, and the two air blowing boxes are arranged at two sides of the carbon fiber tows;

wherein the two blow boxes are arranged towards the carbon fiber tows in a blowing mode.

Furthermore, the airflow sweeping and blowing mechanism further comprises a support, connecting shafts are arranged at two ends of the blowing box and can be rotatably connected to the support, threads are arranged on the connecting shafts, and the connecting shafts are fastened to the support through bolts.

Further, at least one end of the blowing box is provided with an air inlet, and the air inlet is arranged on the connecting shaft.

Furthermore, an air cavity is arranged in the air blow box, a plurality of air vents are uniformly distributed on one side face of the air blow box, and the air vents are communicated with the air cavity.

Furthermore, the inner side wall of the ventilation cavity is obliquely arranged along the length direction of the blow box, and the oblique direction faces the ventilation hole.

Furthermore, the inner wall of the ventilation cavity is provided with a wind guide convex rib facing the ventilation hole, and the wind guide convex rib is arranged in an arc line.

Further, the support is height-adjustable.

Further, the support further includes base sleeve and screw shaft, the blowcase with the screw shaft top is connected, the screw shaft penetrates the sleeve setting, the last fixation nut that has of screw shaft, the size of nut is greater than the size setting of base sleeve.

Further, the support further includes base sleeve and screw thread axle, the blowcase with the screw thread axle top is connected, the screw thread axle penetrates the sleeve setting, the fixed orifices has been seted up on the sleeve outer wall, the screw thread axle penetrates through the fastener the fixed orifices after-fixing.

Furthermore, the blowing box is also provided with a laser range finder, and the emission direction of the laser range finder is the same as the blowing direction of the blowing box.

The utility model has the advantages that: the utility model discloses a with the compression roller cancellation of the dressing trough export among the prior art, adopt the air current to sweep formula structure and handle the tow that the starching is accomplished, because the homogeneity of air current, the controllability can be fine control tow sizing amount and sizing uniformity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a carbon fiber tow sizing treatment device in an embodiment of the present invention;

FIG. 2 is a schematic structural view of an airflow sweeping mechanism according to an embodiment of the present invention;

fig. 3 is a left side view of fig. 2 in an embodiment of the present invention;

fig. 4 is a schematic view of the structure in the direction C in fig. 3 according to the embodiment of the present invention;

fig. 5 is a partial enlarged view of a portion B in fig. 3 according to an embodiment of the present invention;

fig. 6 is a partial enlarged view of a portion a in fig. 2 according to an embodiment of the present invention.

Reference numerals: 10-a slurry dipping tank; 20-a dip roll; 30-a turning roll; 40-an air flow sweeping mechanism; 41-air blowing box; 411-a connecting shaft; 42-a scaffold; 412-an air inlet; 413-a ventilation cavity; 414-a vent; 415-wind guiding ribs: 421-a base sleeve; 422-a threaded shaft; 423-fixing nut; 424-fixation holes; 50-laser rangefinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The carbon fiber tow sizing treatment apparatus shown in fig. 1 to 6 includes a sizing tank 10, a dipping roller 20, a turning roller 30, and an air flow sweeping mechanism 40, wherein:

the slurry used in the production process of the carbon fiber tows is filled in the slurry tank 10;

the dipping roller 20 is rotatably arranged in the dipping tank 10, and the carbon fiber tows are wrapped and pass through the dipping roller 20 for sizing; as shown in fig. 1, the carbon fiber tow is immersed into the slurry through the bottom of the impregnation roller 20;

the steering rollers 30 are arranged outside the slurry dipping tank 10 and used for changing the advancing angle of the carbon fiber tows, and the steering rollers 30 are provided in plurality; with continued reference to fig. 1, on both sides of the slurry tank 10, there are turning rolls 30, and the turning rolls 30 are used to change the traveling angle of the carbon fiber tow.

The air flow sweeping and blowing mechanism 40 is positioned at the rear side of the slurry dipping tank 10 in the moving direction of the carbon fiber tows and is arranged between the two steering rollers 30, two air blow boxes 41 which are oppositely arranged are arranged on the air flow sweeping and blowing mechanism 40, and the two air blow boxes 41 are arranged at two sides of the carbon fiber tows; the rear side of the slurry dipping tank 10 is the outlet of the slurry dipping tank 10, the angle of the carbon fiber tows in the advancing process is changed through two steering rollers 30 arranged at the outlet of the slurry dipping tank 10, the inclination angle of the carbon fiber tows is changed to be larger first and smaller later, excessive slurry is firstly dropped through the weight of the excessive slurry, and then the excessive slurry is blown towards the carbon fiber tows through two blowing boxes 41 together, so that the distribution of the slurry on the carbon fibers is more balanced.

In the embodiment, the press roller at the outlet of the sizing groove in the prior art is eliminated, and the sized tows are treated by adopting an airflow blowing type structure, so that the sizing amount and the sizing uniformity of the tows can be well controlled due to the uniformity of airflow and adjustability.

As shown in fig. 2 and 3, the airflow sweeping mechanism 40 further includes a bracket 42, a connecting shaft 411 is provided at both ends of the blowcase 41, the connecting shaft 411 is rotatably connected to the bracket 42, the connecting shaft 411 is provided with a screw thread, and the connecting shaft 411 is fastened to the bracket 42 by a bolt. Through the arrangement, the air blowing angle of the air blowing box 41 can be adjusted, so that the air blowing direction and the air blowing area are adjusted, the slurry of the carbon fiber tows is more reasonably adjusted, and the final sizing effect is more uniform.

With continued reference to fig. 3, at least one end of the blowcase 41 has an air inlet 412, and the air inlet 412 is provided on the connecting shaft 411. In the embodiment of the present invention, the air inlet hole is formed on the connecting shaft 411, that is, the air inlet 412 is formed at the axial position of the connecting shaft 411, and when the embodiment is implemented, the air inlet 412 is connected to the air source, so as to introduce air into the inside of the blow box 41. By coaxially connecting the air inlet 412 and the connecting shaft 411, resources are reasonably utilized, and the space utilization rate is improved.

As further shown in fig. 4, an air cavity 413 is provided inside the blowcase 41, a plurality of air vents 414 are uniformly distributed on one side surface of the blowcase 41, and the air vents 414 are communicated with the air cavity 413. Through the arrangement of the uniformly distributed vent holes 414, the uniformity of air blowing can be improved, so that the wind power blowing to the carbon fiber tows is uniformly distributed, and the final sizing uniformity is better.

Since the air source blows from one end of the blowcase 41 and the air vent 414 is disposed perpendicular to the length direction of the blowcase 41, the direction of the air in the blowcase 41 needs to be adjusted, otherwise, the ventilation at one end of the blowcase 41 is large and the ventilation at the middle portion is small, and in order to solve the above problem, as shown in fig. 3, the inner side wall of the air vent chamber 413 is disposed obliquely along the length direction of the blowcase 41 and the oblique direction faces the air vent 414. With this arrangement, the gas is blown in a direction toward the vent 414 over the entire length of the blowcase 41, so that the distribution of the finally blown gas is made more uniform.

Further, as shown in fig. 5, the inner wall of the ventilation cavity 413 has a wind guiding rib disposed toward the ventilation hole 414, and the wind guiding rib is disposed in an arc. The curved direction of the arc line is set towards the direction away from one end of the air inlet 412, and through the above setting, the air guiding convex rib further plays a role of air blowing guiding, so that the air blown out from the final blow box 41 is more uniform.

To improve the applicability of the airflow sweeping mechanism 40, the support 42 is height-adjustably set, as shown in fig. 2 and 6. In the embodiment of the present invention, two methods for adjusting the height of the bracket 42 are adopted:

as shown in fig. 6, the support 42 further includes a base sleeve and a threaded shaft, the blowcase 41 is connected to the top of the threaded shaft, the threaded shaft is disposed through the sleeve, the threaded shaft has a fixing nut thereon, and the size of the nut is larger than the size of the base sleeve. The depth of the threaded shaft into the base sleeve can be varied by the cooperation of the threads on the threaded shaft and the retaining nut, thereby varying the final height of the blowbox 41.

Referring to fig. 6, in fig. 6, another fixing manner is provided, the bracket 42 further includes a base sleeve and a threaded shaft, the threaded shaft may have no thread, the outer diameter of the threaded shaft is smaller than the inner diameter of the sleeve, the blow box 41 is connected to the top of the threaded shaft, the threaded shaft penetrates the sleeve, a fixing hole is formed in the outer wall of the sleeve, and the threaded shaft is fixed after penetrating the fixing hole through a fastener. The fixing hole can be a through hole or a threaded hole, and the threaded hole can be used for fastening by using a bolt so that the top of the bolt extrudes the threaded shaft to fix the threaded shaft; alternatively, the fixing hole may be a through hole, and the threaded shaft is fixed by a positioning pin by providing a hole corresponding to the through hole in the same manner as the threaded shaft. Through the two types of adjustment on the height of the bracket 42, the height and the angle of the blow box 41 can be adjusted, and the applicability of the blow box 41 is further improved.

In order to improve the adjustment accuracy when adjusting the angle or height of the blowcase 41, as shown in fig. 2, a laser range finder is further provided on the blowcase 41, and the emission direction of the laser range finder is set to be the same as the blowing direction of the blowcase 41. During specific adjustment, the distance on the distance meter is displayed, so that the blowing boxes 41 on the two sides of the carbon fiber tows and the blowing distance are adjusted to be more symmetrical, and the final blowing effect is better.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A carbon fiber tow sizing treatment device, comprising:

2. The carbon fiber tow sizing treatment device according to claim 1, wherein the air flow sweeping mechanism further comprises a bracket, connecting shafts are arranged at two ends of the air blowing box, the connecting shafts are rotatably connected to the bracket, threads are arranged on the connecting shafts, and the connecting shafts are fastened to the bracket through bolts.

3. The carbon fiber tow sizing treatment device according to claim 2, wherein at least one end of the blowbox has an air inlet disposed on the connection shaft.

4. The carbon fiber tow sizing treatment device according to claim 1, wherein an air cavity is formed inside the air blow box, a plurality of air vents are uniformly distributed on one side surface of the air blow box, and the air vents are communicated with the air cavity.

5. The carbon fiber tow sizing treatment device according to claim 4, wherein the inner side wall of the air vent cavity is arranged in an inclined manner along the length direction of the air blow box, and the inclined direction faces the air vent.

6. The carbon fiber tow sizing treatment device according to claim 4, wherein the inner wall of the air vent cavity is provided with air guide ribs arranged towards the air vent, and the air guide ribs are arranged in an arc.

7. The carbon fiber tow sizing treatment device according to claim 2, wherein the bracket is height adjustable.

8. The carbon fiber tow sizing apparatus according to claim 7, wherein the support further comprises a base sleeve and a threaded shaft, the blowbox is connected to a top of the threaded shaft, the threaded shaft is disposed through the sleeve, the threaded shaft has a retaining nut thereon, and the nut is sized larger than the base sleeve.

9. The carbon fiber tow sizing treatment device according to claim 7, wherein the bracket further comprises a base sleeve and a threaded shaft, the blowcase is connected with the top of the threaded shaft, the threaded shaft penetrates through the sleeve, a fixing hole is formed in the outer wall of the sleeve, and the threaded shaft is fixed after penetrating through the fixing hole through a fastener.

10. The carbon fiber tow sizing treatment device according to claim 1, wherein a laser distance meter is further arranged on the blow box, and the emission direction of the laser distance meter is arranged in the same direction as the blowing direction of the blow box.