KR101924429B1 - Apparatus and Method for Producing Carbon Fiber Reinforced Plastic Using Plasma - Google Patents

Abstract

The present invention relates to an apparatus and a method for producing carbon fiber reinforced plastic, which surface treat carbon fibers with plasma to improve interfacial bonding strength of the carbon fibers and apply the resin to the plasma-surface treated carbon fibers such that the resin is solidly bound to the carbon fibers. The apparatus of the present invention includes: a feed roller; a plasma treatment device including a plasma discharging head unit; a resin impregnation tank; a guide roll; and a winding part. According to the present invention, the apparatus and the method reduce defects of the produced carbon fiber reinforced plastic and have an excellent effect of reinforcing physical properties by removing a contamination source of the carbon fibers through plasma treatment to improve interfacial bonding strength of the carbon fibers, and applying the resin to the carbon fibers to a uniform thickness, thereby firmly binding the resin to the carbon fibers. Further, the apparatus and the method can perform a plasma treatment operation irrespective of types of the carbon fibers and resin, can treat the carbon fibers from small width to wide width without being limited to the width of the carbon fibers, and can rapidly change an operation according to process situations and can facilitate repairing and replacement such that a stable production operation of the carbon fiber reinforced plastic can be performed.

Description

Technical Field [0001] The present invention relates to a carbon fiber reinforced plastic (PLP)

The present invention relates to a manufacturing apparatus and a manufacturing method of a carbon fiber-reinforced plastic, in which a surface of a carbon fiber is treated with a plasma to improve the interfacial bonding force of the carbon fiber, and then the resin is applied to firmly bond the resin to the carbon fiber.

Various composite materials have been developed and used according to the trend of light weight in the airplane and automobile industry, and parts made of carbon fiber composite material among the materials that can be made lightweight with high strength are attracting attention.

The carbon fiber reinforced plastic (CFRP), which has excellent properties such as non-elasticity, inelasticity and heat resistance, is superior to other types of fibers and forms a composite material with plastic called matrix resin. Lightweight, Because of its excellent corrosion resistance, it is widely used for aerospace use, sports use, and general industrial use.

However, the carbon fibers themselves have low surface tension and adhered to the surface during handling, so that it is difficult to expect a high adhesion force when bonding to epoxy and other resins used as binders.

In addition, the carbon fiber is subjected to a sizing process in which it is coated with an interfacial bonding agent so as to form a stable physical interface between the plastic resin, and when the carbon fiber is mixed with plastic to form a composite material, the reinforcing effect at room temperature is excellent Since the interfacial stability between the plastic base material and the surface of the carbon fiber is lowered at high temperature, the effect of improving the high temperature strength is insignificant. In general, the carbon fiber reinforced plastic has a problem that the performance in the thickness direction is lowered due to the lamination type manufacturing process, .

In order to solve this problem, plasma treatment for improving the interfacial bonding strength between fibers and resin, or adding carbon nanoparticles or the like to the interior of the composite material, has been studied.

For example, in Korean Patent Registration No. 1498559, carbon fibers are pretreated by heat treatment, alcohol treatment, plasma treatment, ozone treatment, and the like, and then coated with polypodamine, laminated, and vacuum molded together with an epoxy resin, A method for manufacturing a reinforced plastic composite material has been proposed.

The present invention has an advantage that polydopamine improves the interfacial bonding force between the carbon fiber and the polymer resin and preprocessing process further increases the interfacial bonding force to produce a carbon fiber reinforced plastic composite material having high strength, There is a disadvantage in that the coated surface is not evenly formed due to the formation of precipitates in the course of the process and thus the practical utilization is inferior.

In Korean Patent Laid-Open Publication No. 2017-0092767, a carbon fiber bundle is subjected to plasma treatment with a reaction gas containing hydrogen to modify the surface of the carbon fiber bundle, to attach functional groups, and then to mix engineering plastics thereon, And by adjusting the chemical functional groups and the carbon crystal structure on the surface of the carbon fiber through the plasma treatment of the carbon fiber, the adhesion to the plastic base material is improved at a high temperature to improve the mechanical characteristics and the wear and friction characteristics .

However, the hydrogen plasma system forms chemical functional groups such as -CH, CH, -OH, and -COOH on the surface of carbon fiber, but it is difficult to handle due to the risk of explosion, and there is a great risk due to the hydrogen gas remaining in the carbon fiber after the operation. The types of functional groups formed by the plasma are limited, so that there are disadvantages in that the kinds of engineering plastics that improve the mechanical properties by bonding with the carbon fibers having such functional groups are also limited.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a manufacturing apparatus and a manufacturing method of a carbon fiber-reinforced plastic, in which a contamination source of carbon fibers is removed through a plasma treatment to improve interfacial bonding force, .

In order to solve the above-described problems, the present invention provides a feeding device comprising: a feeding roller on which carbon fibers are wound; A plasma processing apparatus provided with a plasma discharge head device and supplied with carbon fibers from the supply roller and subjected to plasma treatment; A resin impregnating tank for impregnating the resin with the plasma-treated carbon fiber; A guide roll connected to an end of a robot arm capable of changing posture and changing a direction of the carbon fiber impregnated with the resin; And a winding unit configured to change a posture vertically and horizontally and to wind the carbon fiber having the changed direction in various forms in cooperation with the motion of the robot arm. The plasma ejection head device (21) includes a plurality of And the head device 21 of the front row and the head device 21 of the rear row are arranged in a zigzag fashion so as not to overlap each other with respect to the traveling direction of the carbon fibers 11 Provided is an apparatus for producing carbon fiber-reinforced plastic alternately arranged.

The present invention also provides a method of manufacturing a carbon fiber composite material, Subjecting the supplied carbon fibers to a plasma treatment using a plasma discharge head device; A resin impregnating step of impregnating the resin with the plasma-treated carbon fiber; Changing the orientation of the carbon fiber impregnated with the resin; And winding the carbon fibers in various forms by varying the winding speed and the winding direction while changing the attitude in the up, down, left, and right directions in association with the direction change. The plurality of plasma discharge head devices (21) The head device 21 of the front row and the head device 21 of the rear row are arranged alternately in a zigzag manner so as not to overlap each other with reference to the direction of carbon fiber progression, ≪ / RTI >

delete

At this time, it is preferable that two to six plasma discharge head devices are installed in the plasma processing apparatus, and the plasma processing apparatus is configured to be rotatable by 90 °.

The plasma discharge head device may further include: a nozzle unit through which the plasma is discharged; A rotary body part having one side fastened to the nozzle part and the other side fastened to the body horizontal support part; A body horizontal support part having one side fixed to the rotating body part and the other side connected to the flexible hose part; A flexible hose part having one side connected to the rotating body part and the other side connected to a cable part; an electrode part including an electrode to be inserted into the nozzle part and a high voltage power cable to which the electrode is connected; A cylindrical insulator part inserted into the nozzle part, one end of which is fastened to the electrode, the other end is connected to the high voltage power cable, and the gas discharge part is formed on the outer circumferential surface of the electrode ball to which the electrode is fastened; A pneumatic hose having one side enclosed in the rotating body part and the other side connected to a gas supply source, and a rotating power unit for transmitting the rotational force of the motor to the rotating body part.

The manufacturing apparatus and the manufacturing method according to the present invention improve the interfacial bonding force by removing the contaminants of the carbon fibers by the plasma treatment and firmly bind the carbon fibers to the carbon fibers by applying the resin with a uniform thickness, And it is excellent in strengthening property.

In addition, plasma processing can be performed regardless of the type of carbon fiber and resin, and it can be processed from narrow width to wide width without being limited to wide width of carbon fiber. So that it is possible to manufacture a stable carbon fiber-reinforced plastic.

1 is a schematic view showing an apparatus for producing a carbon fiber-reinforced plastic according to the present invention.
FIG. 2 is an exploded perspective view of the plasma discharge head device 21 according to the present invention, FIG. 3 is a combined perspective view and FIG. 4 is a sectional view.
5 is an exploded perspective view of the nozzle 110 and the nozzle body 120 according to the present invention.
6 is a detailed perspective view of the rotating body portion 200. FIG.
7 is an engaging relationship view and a perspective view of the insulator portion 600. Fig.
8 is a partially enlarged sectional view of the insulator portion 600, the insulator portion supporter 630 and the bearing supporter 230, which are color-treated.
9 is an enlarged perspective view of a portion of the rotary power unit 800. FIG.
FIG. 10 is an exemplary view illustrating a plasma discharge head 21 according to an embodiment of the present invention, which is arranged in two rows. FIG. 10 is a view showing a state in which a plasma beam is discharged from the nozzle unit 100.

The present invention relates to an apparatus and a method for producing a carbon fiber-reinforced plastic by applying a resin to a carbon fiber after plasma treatment, comprising a supply roller on which carbon fibers are wound; A plasma processing apparatus provided with a plasma discharge head device and supplied with carbon fibers from the supply roller and subjected to plasma treatment; A resin impregnating tank for impregnating the resin with the plasma-treated carbon fiber; A guide roll connected to an end of a robot arm capable of changing posture and changing a direction of the carbon fiber impregnated with the resin; And a winding unit configured to change a posture in up, down, left, and right directions and to take up the carbon fibers of various directions in cooperation with the movement of the robot arm in various forms.

The present invention also provides a method of manufacturing a carbon fiber composite material, Subjecting the supplied carbon fibers to a plasma treatment using a plasma discharge head device; A resin impregnating step of impregnating the resin with the plasma-treated carbon fiber; Changing the orientation of the carbon fiber impregnated with the resin; And winding the carbon fibers in various forms by varying the winding speed and winding direction while changing the attitude in the up, down, left, and right directions in cooperation with the direction change.

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 schematically shows an apparatus for manufacturing a carbon fiber-reinforced plastic according to the present invention. A carbon fiber 11 is supplied from a carbon fiber feed roller 10 to a plasma processing apparatus 20, The interfacial bonding force of the carbon fibers is improved while passing through the plasma processing apparatus 20 and then impregnated and passed through the resin impregnation tank 30 in which the resin is contained to apply the resin between the carbon fibers 11 and the surface thereof, And wound on a winding section (50) to produce a carbon fiber-reinforced plastic.

The carbon fiber in the present invention refers to a shape of an elongated band having a predetermined width, in which carbon fibers are woven in the same shape as a fabric or a knitted fabric. The carbon fiber is in a state of not being subjected to a post- .

The carbon fiber 11 is wound on the carbon fiber feed roller 10 in the form of a roll and the carbon fiber 11 is wound around the plasma processing apparatus 20 and the resin impregnated A plurality of intermediate rollers 12 for guiding the carbon fibers 11 are installed in the middle of each device.

2 to 9 show an example of a rotary type plasma discharge head device 21 constituting the plasma processing apparatus 20 of the present invention. FIG. 2 is an exploded perspective view of the rotary type plasma discharge head device 21 Fig. 3 is a combined perspective view and Fig. 4 is a sectional view.

Referring to FIGS. 2 to 4, the plasma head device of the present invention will be described in detail. The plasma head device includes a nozzle unit 100 through which plasma is discharged. A rotary body part 200 having one side fixed to the nozzle part 100 and the other side fixed to the body horizontal supporting part 300; A body horizontal support part 300 having one side fixed to the rotating body part 200 and the other side connected to the flexible hose part 400; A flexible hose unit 400 having one side connected to the body horizontal support unit 300 and the other side connected to a cable unit (not shown), an electrode 510 inserted into the nozzle unit 100, An electrode unit 500 including a high voltage power cable 520 connected thereto; A gas discharge portion 610 is formed on an outer circumferential surface of the electrode hole 620 to which the electrode 510 is coupled while the other end is connected to the high voltage power cable 520, A hollow cylindrical insulator portion 600 including a hollow cylindrical portion; A pneumatic hose 700 having one side embedded in the body 200 and the other connected to a gas supply source (not shown); a rotary power unit 800 for transmitting the rotational force of the motor to the rotary body 200; A body vertical support 900 for protecting the rotary power unit 800 from a contamination source and coupling the body 800 with the body horizontal support unit 300; And a rotary power housing (1000) that vertically engages with the body horizontal support (300) while enclosing the rotary power unit (800).

5 is a perspective view of the nozzle 110 according to the present invention and an exploded perspective view of the nozzle body 120. Referring to FIGS. 2 through 5, the nozzle unit 100 includes a nozzle 100, The nozzle 110 may be integrally formed with the nozzle body 120 or the nozzle 110 may be formed on one side of the nozzle 110 and the other side 122 may be formed on one side of the rotating body 200 And a nozzle body part 120 coupled with the nozzle body part 120.

The nozzle body 120 receives electrons emitted from the electrode 510. The nozzle 110 is designed to have various shapes such as a position and a size of a nozzle orifice so that the area and strength of the plasma beam spread, The injection radius and the injection length of the plasma beam to be formed can be adjusted.

The nozzle detachment unit 121 may be manufactured to have a standard size compatible with various nozzles. The nozzles 110 may have different depths, different sizes of the nozzle holes 111, The number of nozzles 110 can be selectively used. By changing nozzles according to the operation conditions, it is possible to easily perform precise work and to quickly cope with various variables.

The nozzle 110 may be detached from the nozzle detachment unit 121 by using a thread engagement method, an attached thread tightening method, or an interference fit method. The method may include an O-ring It is effective for the work stability.

The rotary body 200 is a unit which is fastened to the nozzle unit 100 at one side and to the body horizontal support unit 300 at the other side and includes a nozzle unit 100, a flexible hose unit 400, And the pneumatic hose 700 are connected to the housing 1000 and serve as a frame for enclosing the electrode 510, the high voltage power cable 520, the insulator unit 600, and the pneumatic hose 700, And rotates the nozzle unit 100 in response to the rotational force transmitted by the nozzle unit 100. [

6 is a detailed perspective view of the rotating body 200. The rotating body 200 includes a rotating body 210 coupled to the nozzle unit 100 on one side and a second rotating gear 220 coupled to the second rotating gear 220 on the other side, ); A second rotating gear 220 having one side coupled to the rotating body 210; A bearing supporting portion 230 which is located at the center of the inside of the rotating body 210 and has one side fixed to the insulator supporting portion 630 and the other side fixed to the body horizontal supporting portion 300 and the outer circumferential surface of the body is fastened to the bearing portion 240, ; And a bearing part (242) located on the outer circumferential surface of the body of the bearing support part (230), wherein the first bearing (241) and the second bearing (243) 240).

The rotational force transmitted by the motor 810 is transmitted by the first rotary gear 820 and then transmitted to the second rotary gear 220 by the timing belt 830, The rotating force of the motor is stably transmitted to the rotating body 210 because the rotating body 210 is stably coupled to the rotating body 210 by the piece p11 and the guide nut n11.

The bearing support part 230 is located at the center of the rotary body part 210 and has one side connected to the insulator part support part 630 to have a length substantially equal to the length of the nozzle body part 120, And the other side is fastened to the body horizontal support part 300. At this time, since the body horizontal support part 300 is fixed at right angles to the body vertical support part 900, the body horizontal support part 300 is fixed firmly in three directions.

Since the body horizontal support part 300 is stably fixed, the vibration can be minimized even if the rotary body part 210 rotates at a high speed. In addition, the bearing part 240 is supported by the body of the bearing support part 230 Since the first bearing 241 and the second bearing 243 are disposed so as to be opposed to each other with respect to the bearing spacing unit 242 including the bearing spacing unit 242 located on the outer circumferential surface, 210 can be effectively reduced.

Therefore, since the bearing separating unit 242 is opposed between the two bearings and the insulator support portion 630 is stably fixed in a triple structure, an effective seismic design is achieved, And can contribute to the extension life of the device.

One side of the body horizontal support part 300 is coupled to the rotary body part 200 and the other side of the body horizontal support part 300 is connected to the flexible hose part 400. One side of the body horizontal support part 300 is threaded and fastened to the rotary body part 200 A body horizontal support head 310 to prevent pneumatic leakage; And a body horizontal support tail 320 coupled to the horizontal support head 310 at one side and connected to the high voltage power cable 520, the pneumatic hose 700 and the flexible hose 400.

The body horizontal support head 310 vertically engages with the body vertical support 900 and horizontally engages with the bearing portion 240 and more specifically with the bearing support 230 to generate vibration due to rotation It is buffered and contributes to the stable fixation of the device and can be threaded so that the pneumatic pressure does not escape.

The body horizontal support tail 320 is coupled to the opposite side to which the bearing part 240 is coupled and the body horizontal support tail 320 is connected to a pneumatic hose 700.

Since the body horizontal support part 300 is also modularized into the body horizontal support part 310 and the body horizontal support tail part 320, it is possible to easily replace only a specific component that has failed during the repair of the plasma head device Can be provided.

One end of the flexible hose unit 400 is connected to the rotary power unit housing 1000 and the other end of the flexible hose unit 400 is connected to a cable unit (not shown). The flexible hose unit 400 includes a high voltage power cable 520 and a pneumatic hose 700 , Flexibility between the cable portion and the rotating power housing (1000) is provided to improve work efficiency and convenience.

The flexible hose unit 400 includes a first connector 410 connected to the rotating body 200; A second connector 430 connected to the cable portion; And a flexible hose 420 connected between the first connector 410 and the second connector 430. The flexible hose 420 may use a corrugated pipe hose without shrinkage.

As described above, the flexible hose unit 400 also includes the first and second connectors 410 and 430 and the flexible hose 420 to form a module so that the module can be easily disassembled in the event of equipment failure or component replacement, And assemble modules easily.

Further, the flexible hose unit 400 may further include a multi-connector 1100 between the cable units (not shown), and the multi-connector 1100 may have one side connected to the flexible hose unit 400 Is connected to the second connector 430 and the other end is connected to a cable portion connected to a generator (not shown) or the like.

The high voltage power cable 520 and the pneumatic hose 700 are connected to the ends of the multi connector 1100 and a sub connector (not shown) is connected to the terminals of the high voltage power cable 520 and the high voltage power cable 520 The pneumatic hose 700 can be connected to the hose 700. Accordingly, the module can be easily disassembled in the event of a failure of the equipment or the replacement of the components, so that the parts can be replaced quickly and the module can be easily assembled.

7 is an explanatory view and a perspective view of the insulator unit 600. The electrode 510 is a unit that discharges electrons between the nozzle unit 200 and the nozzle body 210 in detail, Or the like may be used. Alternatively, copper may be plated with nickel, but the present invention is not limited thereto. Copper and nickel may be used efficiently because of high electrical conductivity and high abrasion resistance.

The high-voltage power cable 520 is a cable in which an electric wire connected to a power source at the center is coated with an insulating material. The electric wire inside the insulating material is connected to the electrode 510, As shown in FIG.

FIG. 8 is a partially enlarged cross-sectional view of FIG. 4 in which the insulator portion 600, the insulator portion support portion 630 and the bearing support portion 230 are color-treated. The insulator portion 600 has a structure in which the gas discharged from the pneumatic hose 700 And uniformly and collectively collects the gas in the direction of the electrode 510 while discharging a constant gas in the direction of the electrode 510. Thus, a high-density stable plasma beam can be discharged.

7 (b), the insulator portion 600 has a hollow cylindrical shape including a gas discharge portion 610 on the outer peripheral surface side of the electrode hole 620 to which the electrode is connected, The gas is introduced into the shape and the gas is discharged to the gas discharging part 610 at a uniform atmospheric pressure due to the buffer pressure in the empty space to form a high density and stable plasma beam, And also serves as an intermediate connector in the connection of the cable 520, thereby enabling stable and efficient discharge of the plasma beam.

The insulator portion 600 forms a uniform and dense fluid flux before the gas discharged from the pneumatic hose 700 reaches the electrode 510. The insulator portion 600 is essentially stable So that it is fixed primarily by the insulator portion supporting portion 630 and secondarily fixed to the inside of the insulator portion supporting portion 630 up to the bearing supporting portion 230 to be fixed, Which is fixed by a triangular plate.

In addition, the insulator 600 may be made of a ceramic material, and may further include an O-ring 640 at a portion to be coupled with the rotating body 200 to prevent leakage of gas and perform stable plasma processing.

The insulator 600 has a gas discharging part 610 formed on the outer circumferential surface of the electrode hole 620 where one side is coupled to the electrode 510 and the electrodes are connected to the insulator part 600. When the number of the gas discharging parts 610 is an odd number And it is confirmed that a nine-sided shape in which nine circular holes are formed exerts the most excellent discharge efficiency.

One side of the pneumatic hose 700 is connected to the body horizontal support part 300 by a one-touch fitting connector 710 and the other side is connected to a gas supply source (not shown) Can be connected to the tank.

9 is an enlarged perspective view of a portion of the rotating power unit 800. The rotating power unit 800 serves to transmit the rotational force of the motor 810 to the rotating body unit 200. [

The rotary power unit 800 includes a first rotary gear 820 connected to the motor 810 and a timing belt 830 for transmitting the rotational force of the first rotary gear 820 to the second rotary gear 220 The first rotary gear 820, the second rotary gear 220 and the timing belt 830 are positioned between the rotary power housing front portion 1020 and the body vertical support portion 900 at the front.

The body vertical support unit 900 is coupled to the body horizontal support unit 300 through a horizontal support unit coupling unit 910 formed on one side of the body support unit 900, Role.

The rotary power housing 1000 includes a housing cap 1010, a housing front barrier wall 1020, and a front housing wall 1010. The housing cap 1010, the housing front barrier wall 1020, A housing rear bulkhead 1030, and a housing bottom 1040.

The rotary power unit housing 1000 may additionally include a ground portion 1200 at one side thereof and the ground portion 1200 discharges electricity to the outside when a short circuit is generated from the rotating body portion 200 A carbon brush 1210, a spring 1220 for continuously grounding the carbon brush when the carbon brush is worn, and a ground cover 1230.

The plasma processing apparatus 20 of the present invention can be processed so as to have a high interfacial bonding force irrespective of the shape and the shape of the carbon fiber structure to be treated and the plasma discharge head device 21 having the above- It is possible to provide a plurality of carbon fibers in a row in a direction perpendicular to the traveling direction (width direction), thereby enabling the wide processing of the carbon fibers.

Since the plasma head device ejects plasma in a radial direction, when a plurality of plasma head devices are provided, the difference in intensity of the plasma applied to the carbon fibers 11 passing between the head devices and the center portion of the head device In order to prevent this, when the interval of the plasma head device is narrowed, the plasma is superimposed on the carbon fibers, and the interfacial bonding force of the carbon fibers becomes uneven.

10, the plasma discharge head device 21 is arranged in two rows, that is, in front and in the direction perpendicular to the traveling direction of the carbon fibers 11, 100 and the nozzle unit 100 of the head unit 21 in the rear row are arranged alternately in a staggered manner so as not to overlap each other with respect to the traveling direction of the carbon fibers 11. [

That is, the carbon fibers 11 are subjected to a plasma process by the head device 21 of the front row first and then to the front side by the head device 21 of the rear row while passing through the plasma processing device 20, The carbon fiber 11 passing through the edge of the device 21 passes through the center of the head device 21 in the back row and the carbon fiber 11 passing through the center of the head device 21 in the front row passes through the head device 21 ) Edge so that the carbon fibers 11 can be uniformly plasma-treated as a whole.

As described above, when a plurality of plasma discharge head devices 21 of the present invention, for example, 40, are arranged, the carbon fibers having a width of 3600 to 4000 mm can be continuously subjected to the plasma processing.

In this case, however, the number of the plasma discharge head units 21 to be installed increases, which increases the scale of the plasma processing apparatus 20. Therefore, the number of the plasma discharge head units is reduced to 2 to 6, The size of the processing apparatus 20 can be reduced and the carbon fiber can be intermittently subjected to plasma processing.

That is, the plasma processing apparatus 20 equipped with a small number of plasma discharge head units 21 is configured to be rotatable by 90 degrees and programmed to be interlocked with the winding operation of the carbon fiber winding unit 50, The plasma processing apparatus 20 is rotated by 90 degrees so as to be directed in the direction perpendicular to the direction of carbon fiber propagation (width direction), and the plasma is irradiated to the other side edge of the carbon fiber from the plasma The carbon fiber winding portion 50 is operated to move the carbon fiber by the processing width of the plasma processing device 20 and then the winding of the winding portion 50 is stopped to remove carbon The movement of the fiber is stopped and the process of plasma processing from one side to the other side is repeated to perform the plasma treatment of the wide carbon fiber into the small plasma processing apparatus 20 There.

When the narrow width carbon fiber is treated, the plasma processing apparatus 20 is adjusted so as to be directed toward the direction of the carbon fiber, whereby the carbon fiber can be continuously plasma-treated.

It is preferable that the plasma processing apparatus 20 is disposed above and below the moving carbon fibers and simultaneously plasma-processes the upper and lower surfaces of the carbon fibers. When the resin is bonded only to one side of the carbon fibers, And only one plasma processing apparatus 20 is operated.

Since the plasma discharge pressure of the plasma head device is about 1.0 to 2.5 bar, foreign matter such as fine dust adhering to the carbon fiber is removed by the discharge pressure and the discharge phenomenon occurs due to the plasma characteristic. So that the foreign matter of the carbon fiber does not adhere to the carbon fiber.

The plasma processing apparatus 20 may be an atmospheric pressure plasma apparatus using air, although it may be varied depending on the kind of the carbon fiber and the impregnation resin. Since a separate gas supply facility is not necessary because air is used, In addition, since the gas generated after the treatment is carbon dioxide, moisture, and a little ozone and nitrogen oxides (NOx), there is an advantage that the exhaust gas treatment cost is reduced and the environmentally friendly and highly efficient operation can be performed.

Next, the plasma-treated carbon fiber 11 is immersed in a resin impregnation tank 30 containing the resin to firmly bind the resin to the carbon fiber 11 having improved interfacial bonding strength, and the carbon fiber 11 is plasma- Impregnation tank 30 immediately after passing through the processing apparatus 20 so that the heat generated during the plasma processing process remains on the carbon fibers 11 and promotes the hardening of the resin applied to the carbon fibers 11. [ .

The resin impregnation tank 30 can be detachably attached so that various resins can be easily and alternately applied and a plurality of resin impregnation tanks 30 can be installed so that one-component resin and two-component resin can be selectively used It is also possible.

The carbon fiber 11 having passed through the resin impregnation tank 30 is passed through the double roller 31 to adjust the thickness of the resin applied to the carbon fiber 11 and the double roller 31 is provided with a blade 32 The excess resin can be recovered by the resin impregnation tank 30.

A carbon fiber reinforced plastic is produced by winding the carbon fiber 11 whose resin coating thickness is adjusted by a rotating carbon fiber winding portion 50 so that the carbon fiber reinforced plastic is produced between the double roller 31 and the carbon fiber winding portion 50 A guide roll 41 adjusted by the articulated robot arm 40 is provided to control the manner in which the carbon fibers are wound.

That is, a guide roll 41 is provided at the end of the articulated robot arm 40 capable of changing its posture, and the carbon fiber winding unit 50 is also installed so as to be able to change the posture in the vertical, The robot arm 40 and the carbon fiber take-up portion 50 are interlocked with each other to adjust the winding position and winding direction so that the carbon fibers can be wound in various shapes and shapes.

In addition, the shape of the carbon fiber-reinforced plastic can be variously realized by a method of laminating the carbon fibers passing through the guide roll 41 on a plane or a curved surface without sensing it in the form of a roll, Movable installation of the entire device also enables the implementation of large forms of carbon fiber-reinforced plastic products.

The present invention relates to a plasma processing apparatus and a method of manufacturing the same and a plasma processing apparatus using the plasma processing apparatus. Guide roll, 50: winding section,
The present invention relates to a hose assembly and a hose assembly in which the hose assembly is provided with a hose assembly and a hose assembly.

Claims (10)

A feeding roller 10 on which the carbon fibers 11 are wound;
A plasma processing apparatus (20) provided with a plasma discharge head device (21) and supplied with carbon fibers (11) from the supply roller (10) and subjected to plasma treatment;
A resin impregnation tank 30 for impregnating the resin with the plasma-treated carbon fibers 11;
A guide roll (41) connected to an end of a robot arm (40) capable of changing posture and changing the direction of the carbon fiber (11) impregnated with the resin; And
And a winding unit (50) configured to change the orientation of the carbon fiber (11) in various directions in accordance with movement of the robot arm (40) and to change the orientation of the carbon fiber (11)
A plurality of the plasma discharge head devices 21 are disposed and arranged in two rows in the direction perpendicular to the traveling direction of the carbon fibers 11 and the head device 21 of the front row and the head device 21 of the rear row are connected to the carbon fiber 11, Wherein the carbon fiber reinforced plastic is arranged alternately in a staggered manner so as not to overlap with each other based on the traveling direction. delete The method according to claim 1,
Wherein two to six plasma ejection head devices 21 are provided in the plasma processing apparatus 20 and the plasma processing apparatus 20 is configured to be rotatable by 90 °. . The method according to claim 1,
Wherein a double roller (31) equipped with a blade (32) for adjusting a coating thickness of the resin is provided between the resin impregnation tank (30) and the guide roll (41). The method according to claim 1,
The plasma discharge head device (21)
A nozzle unit 100 through which the plasma is discharged;
A rotary body part 200 having one side fixed to the nozzle part 100 and the other side fixed to the body horizontal supporting part 300;
A body horizontal support part 300 having one side fixed to the rotating body part 200 and the other side connected to the flexible hose part 400;
A flexible hose part 500 having one side connected to the rotating body part 200 and the other side connected to a cable part,
An electrode unit 500 including an electrode 510 to be inserted into the nozzle unit 100 and a high voltage power cable 520 to which the electrode 510 is connected;
The gas discharge unit 610 is connected to the outer circumferential surface of the electrode hole 620 to which the electrode 510 is fastened, and the gas discharge unit 610 is connected to the high voltage power supply cable 520, A cylindrical insulator portion 600 having a cylindrical shape;
A pneumatic hose 700 having one side embedded in the rotating body portion 200 and the other side connected to a gas supply source;
And a rotating power unit (800) for transmitting the rotational force of the motor (810) to the rotating body unit (200). Supplying a carbon fiber;
Subjecting the supplied carbon fibers to a plasma treatment using a plasma discharge head device 21;
A resin impregnating step of impregnating the resin with the plasma-treated carbon fiber;
Changing the orientation of the carbon fiber impregnated with the resin; And
Winding the carbon fiber in various forms by varying the winding speed and winding direction while changing the posture in up, down, left, and right directions in cooperation with the direction change,
A plurality of the plasma discharge head devices 21 are arranged and arranged in two rows in the direction perpendicular to the direction of carbon fiber propagation, and the head device 21 of the front row and the head device 21 of the rear row Wherein the carbon fiber reinforced plastic is alternately arranged in a staggered manner so as not to overlap with each other. delete The method of claim 6,
2 to 6 plasma processing apparatuses are installed in the plasma processing apparatus, and the plasma processing apparatus is configured to be rotatable by 90 degrees. The movement of the carbon fibers is stopped, the plasma processing apparatus is rotated by 90 degrees, And a process of moving the carbon fiber by a processing width of the plasma processing apparatus and plasma-treating the carbon fiber at one side from the other side is repeated. . The method of claim 6,
Wherein the step of adjusting the coating thickness of the resin is added between the step of impregnating the resin and the step of changing the direction of the carbon fiber. The method of claim 6,
The plasma discharge head device (21)
A nozzle unit 100 through which the plasma is discharged;
A rotary body part 200 having one side fixed to the nozzle part 100 and the other side fixed to the body horizontal supporting part 300;
A body horizontal support part 300 having one side fixed to the rotating body part 200 and the other side connected to the flexible hose part 400;
A flexible hose part 500 having one side connected to the rotating body part 200 and the other side connected to a cable part,
An electrode unit 500 including an electrode 510 to be inserted into the nozzle unit 100 and a high voltage power cable 520 to which the electrode 510 is connected;
The gas discharge unit 610 is connected to the outer circumferential surface of the electrode hole 620 to which the electrode 510 is fastened, and the gas discharge unit 610 is connected to the high voltage power supply cable 520, A cylindrical insulator portion 600 having a cylindrical shape;
A pneumatic hose 700 having one side embedded in the rotating body portion 200 and the other side connected to a gas supply source;
And a rotating power unit (800) for transmitting the rotational force of the motor (810) to the rotating body unit (200).

Images