KR101744074B1 - the resin drying apparatus for making of tow prepreg and the manufacturing system for tow prepreg therewith - Google Patents

the resin drying apparatus for making of tow prepreg and the manufacturing system for tow prepreg therewith Download PDF

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KR101744074B1
KR101744074B1 KR1020150190674A KR20150190674A KR101744074B1 KR 101744074 B1 KR101744074 B1 KR 101744074B1 KR 1020150190674 A KR1020150190674 A KR 1020150190674A KR 20150190674 A KR20150190674 A KR 20150190674A KR 101744074 B1 KR101744074 B1 KR 101744074B1
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South Korea
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resin
yarn
roller
drying chamber
rollers
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KR1020150190674A
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Korean (ko)
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천진성
우남경
윤주일
유호욱
김용섭
김종원
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주식회사 티포엘
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/001—Drying and oxidising yarns, ribbons or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The present invention relates to a resin drier for manufacturing a tow prepreg and a tow prepreg manufacturing system to which the resin drier is applied. The drying apparatus includes a drying chamber including a plurality of rollers in an airtight structure, blowing hot air into the drying chamber by hot air, Wherein the roller of the drying chamber includes a fixed roller disposed at left and right intervals and a fixed roller disposed at a predetermined interval between the fixed roller and the fixed roller, And a plurality of protrusions projecting in the longitudinal direction are formed on the outer circumference of each of the rollers in the circumferential direction so that the yarn flowing into the drying chamber passes through the fixing roller and the moving roller, Constituting a resin dryer having a structure to escape outward; Krill stand supplying yarn; An impregnating device for passing the yarn through a bucket containing the resin to impregnate the yarn with resin; A resin dryer for drying the yarn impregnated with the resin by hot air to produce a tow prepreg; A take-up device for pulling a yarn of a krill band by means of an upturned take-up roller to move and pass the impregnating device and the resin drier, and draw out the tow prepreg made of the following winding device; A tow prepreg manufacturing system in which a tow prepreg is wound by a rotating winding roller is arranged in that order, and a resin dryer is constructed by vertically arranged rollers to have a compact structure. It is possible to manufacture the tow prepreg with uniform quality by minimizing dropout of the resin contained therein.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a resin drier for manufacturing a tow prepreg, and a tow prepreg manufacturing system using the resin drier,

The present invention relates to a resin drier for manufacturing a tow prepreg and a tow prepreg manufacturing system to which the resin drier is applied. The drying apparatus includes a drying chamber including a plurality of rollers in an airtight structure, blowing hot air into the drying chamber by hot air, Wherein the roller of the drying chamber includes a fixed roller disposed at left and right intervals and a fixed roller disposed at a predetermined interval between the fixed roller and the fixed roller, And a plurality of protrusions projecting in the longitudinal direction are formed on the outer circumference of each of the rollers in the circumferential direction so that the yarn flowing into the drying chamber passes through the fixing roller and the moving roller, Constituting a resin dryer having a structure to escape outward; Krill stand supplying yarn; An impregnating device for passing the yarn through a bucket containing the resin to impregnate the yarn with resin; A resin dryer for drying the yarn impregnated with the resin by hot air to produce a tow prepreg; A take-up device for pulling a yarn of a krill band by means of an upturned take-up roller to move and pass the impregnating device and the resin drier, and draw out the tow prepreg made of the following winding device; A tow prepreg manufacturing system in which a tow prepreg is wound by a rotating winding roller is arranged in that order, and a resin dryer is constructed by vertically arranged rollers to have a compact structure. It is possible to manufacture the tow prepreg with uniform quality by minimizing dropout of the resin contained therein.

In general, a prepreg is an intermediate substrate of CFRP (Carbon Fiber Reinforced Plastic), which is a molding material impregnated and hardened with a matrix resin in a prepreg fiber. The prepreg is wound in a predetermined thickness And the resin is cured by heating and pressing to produce a molded article of the fiber-reinforced composite material.

In this prepreg manufacturing system, a fiber (yarn, tow) wound on a roller (or a paper tube) is prepared, the fiber is passed through a resin contained in a container to impregnate the resin with the resin, When the thermosetting resin is dried, the preparation of the prepreg is completed. The prepreg made in the form of a string by providing the fibers in the form of a yarn is called a tow prepreg.

On the other hand, in the prepreg manufacturing system, a resin dryer is used for curing and drying the impregnated resin. As an example of such a resin dryer, Korean Patent Application No. 2014-0049500 discloses a drying chamber having a plurality of guide rollers And the hot air is injected into the drying chamber. The drying unit includes a heating unit for generating hot air. The impregnated yarn passes through a plurality of guide rollers and moves in an 'S' shape, And a drying unit for drying the thermally deformable resin liquid by hot air while maintaining the residence time of the yarn impregnated with the resin at a long time, and discloses a prepreg manufacturing system including a spreading apparatus.

However, the above-mentioned invention is a structure in which the yarn is moved while passing through a guide roller disposed to the left and right, the guide roller inside the drying chamber of a certain size is fixed in position, and the guide roller is moved through the yarn as it passes In order to increase the time for the yarn to pass through the drying chamber, that is, to increase the residence time, it is necessary to widen the gap between the guide rollers. When the gap between the guide rollers is wide, the yarn is wound between the guide rollers, And the size (area) of the drying chamber becomes large, which takes up a lot of space. There is a method of controlling the time that the yarn passes through the drying chamber (the residence time in the drying chamber) , The change in the speed of movement of the yarn is generally limited by the fact that the yarn passes through other devices of the tow prepreg manufacturing system Since also influence up, the resin dryer in the manufacturing system of the tow prepreg is a method for controlling the passing speed of the yarn is impregnated with a resin, it has emerged a need.

In the resin drier of the conventional tow prepreg manufacturing system including the above-described invention, the raw yarn or the fiber moves on the guide roller in a state in which the resin is impregnated. Since the raw yarn and the fiber contain a resin that is not dried, The guide roller of the resin dryer is generally made of metal. The guide roller of the resin drier is generally made of metal, and the guide roller of the metal is overheated by the hot air continuously injected in the resin drier, Since the guide rollers are attached to the guide rollers in a thermally cured state, it is necessary to clean the guide rollers, and uneven-quality tow prepregs are produced by the yarns from which the resin has been removed.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a drying apparatus comprising a drying chamber including a plurality of rollers in an airtight structure and an operating portion blowing hot air into the drying chamber by hot air, Wherein the rollers of the drying chamber are composed of fixing rollers arranged at left and right intervals and moving rollers arranged at regular intervals above the fixing rollers, A plurality of projections projecting in the longitudinal direction are formed on the outer periphery of the drying chamber so as to constitute a resin dryer having a structure in which the yarn flowing into the drying chamber passes through the fixing roller and the moving roller and exits from the drying chamber, The resin drier has a compact structure by the arranged rollers, and the resin contained in the yarn is removed by the projections of the rollers. Screen will be to produce a tow prepreg with a uniform quality.

In addition, the moving roller moves up and down so that the time during which the yarn stays in the drying chamber can be adjusted, and the inside of the roller is empty, and compressed air having passed through the vortex tube is introduced into the roller to cool the roller Thereby preventing the roller from overheating.

Further, a cooler is further provided on the side of the drying chamber. The cooler includes a closed cooling box, a vortex tube constituting the cooling box, and a plurality of freely rotating guide rollers formed inside the cooling box, The passed yarn passes through the cooler to allow the resin to dry completely.

And krill to supply yarn; An impregnating device for passing the yarn through a bucket containing the resin to impregnate the yarn with resin; A resin dryer for drying the yarn impregnated with the resin by hot air to produce a tow prepreg; A take-up device for pulling a yarn of a krill band by means of an upturned take-up roller to move and pass the impregnating device and the resin drier, and draw out the tow prepreg made of the following winding device; A toe prepreg manufacturing system in which a winding device winding a tow prepreg manufactured by a rotating winding roller are arranged in order is provided to manufacture a uniform quality tow prepreg.

Accordingly, the present invention provides a drying apparatus comprising a drying chamber including a plurality of rollers in a closed structure, and an operating portion blowing hot air into the drying chamber by a hot air blower, wherein a yarn impregnated with resin is passed through the roller, Wherein the rollers of the drying chamber are composed of fixing rollers arranged at left and right intervals and moving rollers arranged at regular intervals above the fixing rollers, A plurality of projections are formed along the circumferential direction to constitute a resin dryer having a structure in which a yarn flowing into a drying chamber passes through a fixing roller and a moving roller and flows out of the drying chamber, A resin drier having a structure of passing through rollers and moving rollers and coming out of the drying chamber is constructed, The resin dryer has a compact structure, and the drop of the resin contained in the yarn is minimized by the projections of the roller, thereby providing a uniform quality tow prepreg.

In addition, the moving roller moves up and down so that the time during which the yarn stays in the drying chamber can be adjusted, and the inside of the roller is empty, and compressed air having passed through the vortex tube is introduced into the roller to cool the roller Thus, there is an effect of preventing the roller from overheating.

Further, a cooler is further provided on the side of the drying chamber. The cooler includes a closed cooling box, a vortex tube constituting the cooling box, and a plurality of freely rotating guide rollers formed inside the cooling box, The passed yarn passes through the cooler to completely dry the resin.

And krill to supply yarn; An impregnating device for passing the yarn through a bucket containing the resin to impregnate the yarn with resin; A resin dryer for drying the yarn impregnated with the resin by hot air to produce a tow prepreg; A take-up device for pulling out the tow prepreg by a rotating take-up roller; A toe prepreg manufacturing system in which a winding device winding a tow prepreg manufactured by a rotating winding roller are arranged in order can be constituted to produce a uniform quality tow prepreg.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view showing a part of a panel of a resin dryer for manufacturing a tow prepreg according to the present invention;
Fig. 2 is a front view of a resin dryer for manufacturing a tow prepreg according to the present invention, in which the panel is omitted; Fig.
FIG. 3 is a side view of a resin dryer for manufacturing a tow prepreg according to the present invention, in which the panel is omitted. FIG.
4 is a plan view of a resin dryer for manufacturing a tow prepreg according to the present invention,
5 is a partially enlarged view of Fig.
6 is a partially cutaway perspective view of a roller of a resin dryer according to the present invention.
7 is a front view according to a tow prepreg manufacturing system to which a resin dryer according to the present invention is applied.
8 is an enlarged view of a portion B in Fig.
9 is an enlarged view of a portion C in Fig.

The present invention relates to a resin drier for manufacturing a tow prepreg and a tow prepreg manufacturing system to which the resin drier is applied. The drying apparatus includes a drying chamber including a plurality of rollers in an airtight structure, blowing hot air into the drying chamber by hot air, Wherein the roller of the drying chamber includes a fixed roller disposed at left and right intervals and a fixed roller disposed at a predetermined interval between the fixed roller and the fixed roller, And a plurality of protrusions projecting in the longitudinal direction are formed on the outer circumference of each of the rollers in the circumferential direction so that the yarn flowing into the drying chamber passes through the fixing roller and the moving roller, Constituting a resin dryer having a structure to escape outward; An impregnating device for impregnating the yarn with a resin by passing the yarn through an accommodated bucket for supplying the yarn; A resin dryer for drying the yarn impregnated with the resin by hot air to produce a tow prepreg; Pulling the yarn of the krill band by the take-up roller rotating on the butt, the impregnating device and the resin dryer are crushed; A take-up device for moving and passing the resin and pulling out the tow prepreg made of the following winding device; A tow prepreg manufacturing system in which a tow prepreg is wound by a rotating winding roller is arranged in that order, and a resin dryer is constructed by vertically arranged rollers to have a compact structure. It is possible to manufacture the tow prepreg with uniform quality by minimizing dropout of the resin contained therein.

The present invention relates to a resin drier for manufacturing a tow prepreg and a tow prepreg manufacturing system to which the resin drier is applied, a resin drier for manufacturing a tow prepreg, a tow prepreg manufacturing system, 6, the resin dryer 1000 includes a drying chamber 1100, an operation unit 1200, and a cooler 1300. The resin dryer 1000 includes a drying chamber 1100, The chamber 1100 is a chamber having a closed space in a hexahedron shape and includes a frame 1110 having a hexahedral frame and a panel 1120 connecting the frame 1110 And an inlet 1121 and an outlet 1122 are formed on both sides of the drying chamber 1100, and a drying chamber 1100 may be opened, and the panel 1120 may be formed of a heat insulating structure to minimize the heat loss of the hot air flowing into the inside.

A plurality of rollers 1130 and 1140 are formed in the drying chamber 1100 and the rollers 1130 and 1140 are composed of a fixing roller 1130 and a moving roller 1140 on the fixing roller 1130 And a plurality of fixing rollers 1130 are arranged in parallel along the left and right direction, and a plurality of the moving rollers 1140 are arranged in parallel along the left and right direction.

The relative arrangement of the fixing roller 1130 and the moving roller 1140 may be variously arranged. The moving roller 1140 may be disposed at an intermediate position between the adjacent two fixing rollers 1130, The fixing rollers 1130 and the moving rollers 1140 are arranged so that the upper and lower positions of the fixing rollers 1130 and 1140 coincide with each other and the fixing rollers 1130 are arranged such that they are further arranged on both sides of the moving rollers 1140 on both sides, And the moving roller 1140 on the side of the outlet 1122 can be constituted by a general guide roller.

 7, the position of the outer peripheral edge of the fixing roller 1130 coincides with the position (height) of the inlet 1121 and the outlet 1122 of the drying chamber 1100, The yarn passes the lower side of the fixing roller 1130 at the same height so as to cover the lower portion of the fixing roller 1130 and over the moving roller 1140 and passes through the plurality of fixing rollers 1130 and the moving roller 1140 It is preferable that one yarn passes through the lower portion of the fixing roller 1130 and passes through the outlet 1122 in a straight line.

As shown in FIGS. 5 and 6, the rollers 1130 and 1140 of the drying chamber 1100 are formed in an empty hollow cylindrical shape, and the rollers 1130 and 1140 are provided with shafts 1132 and 1142, And one end of each of the shafts 1132 and 1142 is protruded so that the projected shafts 1132 and 1142 protrude to the outside of the drying chamber 1100 and the shaft 1132 and the roller The rollers 1130 and 1140 rotate freely with the engagement of the bearings 1133 and 1143 and the protrusions 1131 protruding along the longitudinal direction are formed on the circumferential surface of the rollers 1130 and 1140, (1141) are formed in the circumferential direction.

3 and 4, the lower fixing roller 1130 is fixed to the drying chamber 1100 or the shaft 1132 of each fixing roller 1130 is fixed to the drying chamber 1100 The upper moving roller 1140 is fixed to the drying chamber 1100 or the shaft 1142 is fixed to the drying chamber 1100. In this case, The shaft 1142 of the shaft 1140 protrudes out of the drying chamber 1100 so that each shaft 1142 is fixed to the other support portion 1225.

3 to 5, the supporting portion 1225 to which the shaft 1142 of the upper moving roller 1140 is connected is moved up and down by the elevating means 1220 of the actuating portion 1200 And the structure of the elevating and lowering of the support portion 1225 will be described later with the actuating portion 1200 and the panel 1120 of the drying chamber 1100 through which the axis 1142 of the moving roller 1140 passes A twisted portion 1123 penetrating through the hollow portion 1123 with a width slightly larger than the axis 1142 and a predetermined length is formed and each twisted portion 1123 is configured such that the middle portions of the two curled portions 1124 overlap each other along the longitudinal direction And the shaft 1142 is moved while passing between the two curtain films 1124 of the twisting portion 1123 while the curtain portion 1124 closes the twisting portion 1123 to seal and insulate the drying chamber 1100 .

The shafts 1132 and 1142 of the rollers 1130 and 1140 are formed so as to penetrate the inside along the longitudinal direction and the shafts 1132 and 1142 protruding outside the drying chamber 1100 are compressed air The structure in which the compressed air flows into the shafts 1132 and 1142 and the rollers 1130 and 1140 will be described in the operation unit 1200 to be described later.

A plurality of fixing rollers 1130 and a moving roller 1140 on the fixing rollers 1130 are arranged in the closed drying chamber 1100. The fixing rollers 1130 move up and down, The driving roller 1130 and the moving roller 1140 constitute a drying chamber 1100 having a structure that freely rotates by bearings 1133 and 1143.

Next, the operation unit 1200 supplies hot air to the drying chamber 1100, moves the moving rollers 1140 of the drying chamber 1100 up and down, and supplies compressed air to the rollers 1130 and 1140 4, the hot air blower 1210 includes an elevating unit 1220, an air compressor 1230, and the like. The hot air blower 1210 is a device for discharging hot air (hot air) The hot air is blown into the drying chamber 1100 by the operation of the hot air blower 1210 and the hot air is blown into the drying chamber 1100 through the duct 1220. [ The inside of the drying chamber 1100 can be heated to a maximum of 110 ° C and the inside of the drying chamber 1100 is generally supplied with hot air so as to maintain the inside of the drying chamber 1100 at 90 to 100 ° C, A plurality of temperature sensors are installed in the drying chamber 1100 according to the height, And it is preferred to maintain a constant temperature.

The elevating means 1220 of the operating portion 1200 is for moving the moving roller 1140 of the drying chamber 1100 up and down. More precisely, the elevating means 1220 of the operating portion 1200 moves the shaft 1142 of the moving roller 1140, The elevating means 1220 for ascending and descending the supporting portion 1225 is constituted by a motor 1221, shafts 1222 and 1223, a belt 1244 and the like, and a shaft 1222 1223 are constituted by a lower shaft 1222 and a upper shaft 1223 and the lower shaft 1222 and the upper shaft 1223 are configured to be parallel to each other at the lower portion and the upper portion thereof, A pulley 1222a is formed on one side or both sides of the lower shaft 1222 and a pulley 1223a is provided on one side or both sides of the upper shaft 1223, And the pulley 1222a of the lower shaft 1222 and the pulley 1223a of the upper shaft 1223 are connected by a belt 1224 and the belt 1224 is connected to the supporting portion 1225 facing the belt 1224. [ It is fixed.

The motor 1221 transmits the rotational force to the lower shaft 1222. The motor 1221 can rotate in the opposite direction to the rotation and the motor 1221 can be constructed by connecting a speed reducer. As shown in the drawing, a pulley 1221a is formed on the final shaft of the motor 1221, a pulley 1221a 'is formed on the lower shaft 1222, and a pulley 1221a and a lower shaft 1222a of the motor 1221 are combined. Is connected to the belt 1221a " to transmit the rotational force of the motor 1221 to the lower shaft 1222. The belt 1221a "

The pulleys 1221a coupled to the final shaft of the motor 1221 described above and the pulleys 1221a 'and 1222a of the lower shaft 1222 and the pulleys 1223a of the upper shaft 1223 are connected to a timing pulley A belt 1221a "for connecting the motor 1221 to the lower shaft 1222 and a belt 1224 for connecting the upper shaft 1223 and the lower shaft 1222 are preferably applied with timing belts.

Thus, the lower shaft 1222 and the upper shaft 1223 rotate due to the operation of the motor 1221 and the transmission of the power. In this process, the belt 1224 is rotated by the pulleys 1223a (1223a) of the lower shaft 1222 and the upper shaft 1223 And the rotation direction of the belt 1224 can be changed by rotating the motor 1221 in the reverse rotation direction of the motor 1221 so that the belt 1224 is rotated The fixed support part 1225 can move up and down. It is preferable that the motor 1221 can set and control the support part 1225 so that it can move up and down only within a predetermined height section.

The moving roller 1140 is moved up and down by the operation of the motor 1221. The guide roller 1140 can further include a guide means for accurately ascending and descending the moving roller 1140. The guide means includes a linear motion guide (Not shown), or a combination of a linear bearing 1227a and a guide rod 1226. In the case of a linear motion guide coupling comprising a rail and a block moving along the rail, a plurality of rails And a block (not shown) moving along the rail is assembled to the support portion. The block is assembled to the support portion, and when the support portion is moved up and down, the block coupled with the support moves along the rail Thereby guiding it to the vertical direction.

When the linear bearing 1227a and the guide rod 1226 are coupled by the guide means, as shown in Figs. 3 to 5, a plurality of guide rods 1226 are provided in parallel in the longitudinal direction, The rod 1226 is assembled with a block 1227 including a linear bearing 1227a (linear ball bushing) which is assembled to the support portion 1225 so that when the support portion 1225 is lifted or lowered, the support portion 1225 To move up and down in the vertical direction while moving along the guide rod 1226. [

The air compressor 1230 supplies compressed air to each of the fixing rollers 1130 and the moving rollers 1140 in the drying chamber 1100 so that each of the rollers 1130 and 1140 connected to the rollers 1130 and 1140 1142 to connect the tube or pipe 1231 to directly connect the compressed air.

Alternatively, a separate cooling chamber 1232, 1232 'and a vortex tube 1233, 1233' may be further connected to the air compressor 1230 of the operation unit 1200. The cooling chamber 1232 The vortex tubes 1233 and 1233 'are local cooling device mechanisms that convert the compressed air into hot air and cold air. The vortex tubes 1233 and 1233' When the compressed air at room temperature (21 to 26 ° C) flows into the vortex tube 1233 ', the vortex tubes 1233 and 1233' discharge compressed air of -40 ° C and compressed air of 110 ° C through the two outlets , The cold air that is cooled and discharged is connected to the cooling chambers 1232 and 1232 'so that the cooling air is supplied to the shafts 1132 and 1142 of the rollers 1130 and 1140 in the cooling chambers 1232 and 1232' The cold air generated by the vortex tubes 1233 and 1233 'flows into the rollers 1130 and 1140 through the shaft 1132 and the shaft 1132 and flows into the rollers 1130 and 1130, (1140) Cooling to prevent overheating.

The belt 1224 and the lower shaft 1222 connecting the lower shaft 1222 with the upper shaft 1223 and the pulleys 1222a and 1223a constituting the respective shafts 1222 and 1223 rotate And a supporting portion 1225 connected to the motor 1221 and the belt 1224 are constituted so that the moving roller 1140 of the drying chamber 1100 is moved up and down by the operation of the motor 1221, And the air compressor 1230 cools the rollers 1130 and 1140 of the drying chamber 1100. The drying chamber 1100 is provided with a drying chamber 1100,

2, 3 and 4, the cooler 1300 constitutes an empty cooling box 1310 inside thereof, and the cooler 1300 may be disposed on the side of the drying chamber 1100, An inlet 1311 is formed at one side of the cooling box 1310 and an outlet 1312 is formed at the opposite side of the inlet 1311. A guide roller 1320 which freely rotates is provided inside the cooling box 1310, And the cooling box 1310 is constituted by a vortex tube 1330 so that the cold air of the vortex tube 1330 flows into the cooling box 1310.

Since the description of the vortex tube 1330 of the cooler 1300 has been described above, a detailed description thereof will be omitted, and the position (height) of the inlet 1311 and the outlet 1312 of the cooling box 1310 is the same as that of the drying chamber 1100, The height (height) of the outlet 1122 of the container 1102 is preferably set to be equal to the position (height)

The yarn 10 impregnated with the resin constitutes the resin dryer 1000 constituted by the operation part 1200 of the drying chamber 1100 and the cooler 1300. The yarn 10 impregnated with the resin passes through the resin dryer 1000, The position of the moving roller 1140 is set by operating the motor 1221 of the operating portion 1200 in advance so that the position of the moving roller 1140 can be changed depending on the thickness of the yarn 10, The moving speed of the yarn 10 is determined according to the moving speed of the yarn 10 and the longer the moving roller 1140 is located, the longer the staying time (passing time) of the yarn 10 in the drying chamber 1100 becomes.

 7, the yarn 10 flows into the inlet 1121 of the drying chamber 1100 and flows into the lower fixing roller 1130 (see FIG. 7) The fixing roller 1130 and the moving roller 1140 are staggered in a zigzag manner in such a manner that the fixing roller 1130 and the moving roller 1140 pass under the fixing roller 1130 and pass over the upper moving roller 1140 and again pass under the fixing roller 1130 And then exits through the lower portion of the fixing roller 1130 to the outlet 1122 of the drying chamber 1100. [

When the cooler 1300 is further provided in the resin dryer 1000, the yarn 10 that has passed through the drying chamber 1100 is passed over the inlet 1311 of the cooling box 1310 and the guide roller 1320 And exit through outlet 1312. [

After the installation of the yarn 10, the hot air 1210 is operated to maintain the inside of the drying chamber 1100 at 90 to 100 ° C, and the air compressor 1230 is operated to rotate the rollers 1130 and 1140 and the cooling box 1310), and the resin-impregnated yarn 10 sequentially moves the drying chamber 1100 and the cooler 1300.

First, the yarn 10 impregnated with the resin is dried in hot air in the drying chamber 1100 while moving along the fixing roller 1130 and the moving roller 1140, and the resin is dried by the rollers 1130 and 1140, The contact between the yarn 10 and the rollers 1130 and 1140 is minimized by the protrusions 1131 and 1141 of the air compressor 1230 and the vortex tube 1130, The resin is dried during the designed residence time while moving up and down through the fixing roller 1130 and the moving roller 1140 to prevent overheating by the rollers 1233 and 1233 ' 10 passes through the inside of the cooler 1300 again to completely dry the resin of the yarn 10.

The resin dryer 1000 minimizes the drop of the resin by the cooling of the protrusions 1131 and 1141 of the rollers 1130 and 1140 while the yarn 10 impregnated in the resin passes through the drying chamber 1100 , The resin can be completely dried by the hot air of the drying chamber 1100 and the cold air of the cooler 1300.

In the conventional resin dryer, the size and space occupied by the resin dryer, which is manufactured along the moving direction of the yarn, is long in order to increase the drying time. However, in the resin dryer 1000 according to the present invention, The space occupied by the resin dryer 1000 is small so that the space utilization is high and the moving roller 1140 of the drying chamber 1100 is made up of The position of the moving roller 1140 is adjusted according to the type of the yarn 10, the thickness of the yarn 10, the type of resin, the moving speed of the yarn 10, etc., 1100). ≪ / RTI >

Next, as shown in Figs. 7 to 9, the tow prepreg manufacturing system including the resin drier for manufacturing the tow prepreg will be described. The kiln table 2000, the impregnating apparatus 3000, the resin drier 1000, a release paper feeding unit 4000, a take-up device 5000, and a winding device 6000 are arranged in that order, and the tow prepreg manufacturing system according to the present invention will be described in detail with reference to the drawings.

7 and 8, the krill band 2000 includes a plurality of krill 2100. Each krill 2100 is provided with a branch tube wound with the yarn 10, The yarn 10 of the yarn 10 is loosened while freely rotating together with the creel 2100 and the loosening degree (speed, tension) of the yarn 10 can be controlled by controlling the rotation speed of the creel 2100, For this purpose, a guide 2200 and a guide roller may be provided, or a motor (not shown) (or a sub motor) may be installed in each of the krill 2100 to control the rotation of the yarn 10) can be controlled.

On the other hand, the yarns 10 (tow) supplied from the krill band 2000 are made of inorganic fibers such as carbon fiber yarn, glass fiber yarn, aramid fiber yarn, silica fiber yarn, ceramic fiber yarn and ultra high molecular weight polyethylene yarn Yarn, glass fiber yarn with excellent heat resistance is applied.

7 and 8, the impregnating apparatus 3000 is constituted by a bucket 3100, a guide roller 3110 and a squeezing section 3200. The bucket 3100 is made of resin 20, And a plurality of guide rollers 3110 are formed along the lower portion of the bucket 3100. The squeezing portion 3200 is formed in the squeezing portion 3200 so that the yarn 10 passes through the yarn, 8), or a plurality of knives (a tool for squeegeeing a resin in a normal prepreg manufacturing apparatus, not shown) are sequentially formed by winding the yarn 10 The yarn 10 impregnated with the resin 20 is allowed to pass through the hole so that the amount of the resin 20 on the surface of the yarn 10 is uniform.

The resin 20 is continuously supplied to the bucket 3100 of the impregnating apparatus 3000 so that the amount of the resin 20 is kept constant and the heater 3300 is further provided at the lower portion or the upper portion of the bucket 3100, And the resin 20 is a thermosetting resin.

The resin dryer 1000 includes a drying chamber 1100, an operating portion 1200 and a cooler 1300. The yarn 10 impregnated with the resin 20 is supplied to the resin dryer 1000, The resin 20 of the yarn 10 is completely dried while passing through the drying chamber 1100 and the cooler 1300 of the resin dryer 1000. The detailed explanation of the resin dryer 1000 is omitted here.

The following release paper feeding part 4000 is constituted by a freely rotating feeding roller 4100 which feeds a release paper 40 wrapped around a paper tube and the release paper 40 is fed to a take- The releasing paper 40 is integrally joined to one surface of the tow prepreg 30 drawn out from the resin dryer 1000 and the releasing paper 40 is fed to the tow prepreg 30 ) From sticking to each other.

The take-up device 5000 includes a pair of take-up rollers 5100 and 5200 which are located at the lower and upper positions and are placed in contact with each other, and a cylinder Up roller 5200 and the lower take-up roller 5100 are configured to receive power from a motor (not shown) and to rotate, respectively.

The pull-up device 5000 pulls up the tow prepreg 30 manufactured by the resin dryer 1000 and pulls the yarn 10 of the krill band 2000 to be unwound from the impregnation device 3000, When the release paper 40 is fed from the release paper feeding unit 4000, the tow prepreg 30 and the release paper 40 are squeezed together while being pulled together, thereby forming the tow prepreg 30, The take-up device 5000 pulls the tow prepreg 30 out and draws the release paper 40 of the release paper feeding part 4000 to the next winding device 6000 by pressing them together.

9, the winding apparatus 6000 includes a winding roller 6100 and a motor 6200 that rotates the winding roller 6100. The winding roller 6100 is wound around the winding roller 6100, (Not shown), and winding the finished tow prepreg 30 around the branch pipe. In the case of winding only the tow prepreg 30 of a certain length in the branch pipe, the length of the wound tow prepreg 30 is measured A cutter (not shown) is further provided in front of the winding device 6000 and a cutter (not shown) of the cutting machine cuts the tow prepreg 30 (cutter and cutter) Are not generally shown since they are commonly used in the field of weaving machines).

On the other hand, the tow prepreg 30 is continuously wound on the same position while being wound around the branch tube, or traversed by the traverse device 6300 (including a traverse device, a guide for repeatedly moving in the longitudinal direction of the branch tube, The winding device 6000 winds the tow prepreg 30 on the branch pipe according to a desired shape. The winding device 6000 winds the tow prepreg 30 on the branch pipe according to a desired shape .

The crush band 2000, the impregnation unit 3000, the resin dryer 1000, the release paper feeding unit 4000 and the winding unit 6000 are arranged in this order to constitute a tow prepreg manufacturing system, The yarn 10 is fed from the krill band 2000 and then passed through the yarn 10 under the at least one guide roller 3110 in the bucket 3100 of the impregnating device 3000 and then the yarn 10 The yarn 10 that has passed through the impregnating device 3000 flows into the drying chamber 1100 of the resin dryer 1000 and passes through the fixing roller 1130 and the moving roller 1140 The yarn 10 out of the resin dryer 1000 is passed through the cooling chamber 1232 of the cooler 1300 and then taken out of the take-up device 5000 of the take-up device 5000 5200, and finally wound on the winding roller 6100 of the winding apparatus 6000. [

The yarn 10 of the krill band 2000 moves at a constant speed by the take-up rollers 5100 and 5200 of the take-up device 5000 and the yarn 10 unwound from the krill band 2000 moves The resin 20 is impregnated into the resin 20 while passing through the bucket 3100 and the resin 20 is applied to the surface of the yarn 10. The yarn 10 impregnated with the resin 20 passes through the squeeze portion 3200, The resin 20 is removed and the yarn 10 impregnated with the resin 20 is sequentially passed through the drying chamber 1100 and the cooler 1300 to dry the resin 20 of the yarn 10, The tow prepreg 30 is wound around the paper tube by the rotation of the winding roller 6100 in the winding device 6000 through the take-up device 5000 or is wound around the release paper 40 The toe prepreg 30 is wound on the branch pipe in a structure in which the toe prepreg 30 is wound, The manufacture of the tow prepreg (30) by the tow prepreg manufacturing system is applied to a resin dryer is completed when collected.

By the tow prepreg manufacturing system to which the resin drier is applied, the tow prepreg 30 is formed by the protrusions 1131 and 1141 of the rollers 1130 and 1140 formed in the resin dryer 1000 and the resin The resin 20 impregnated in the yarn 10 can be completely dried by the hot air in the drying chamber 1100 and the cold air in the cooler 1300, And the moving roller 1140 and the moving roller 1140 are vertically arranged so that the tow prepreg 30 having uniform quality without sagging due to the movement of the yarn 10 and not dropping the resin 20 There are features that can be produced.

Even though the diameter of the tow prepreg 30 is increased by winding in the winding device 6000 and the winding speed of the winding roller 6100 is uniform and the speed at which the tow prepreg 30 is wound around the branch pipe gradually drops, Up apparatus 5000 draws the yarn 10 at a constant speed so that the impregnating time of the yarn 10 in the bucket 3100 of the impregnating apparatus 3000 and the time of impregnating the yarn 10 in the drying chamber 1100 and the cooler The quality of the tow prepreg 30 is uniform and the traveling speed of the yarn 10 as a whole is constant, but the motor 1221 of the resin dryer 1000 is operated to move The length of the yarn 10 in the drying chamber 1100 is adjusted according to the type of the yarn 10, the thickness of the yarn 10, the type of the resin 20, the moving speed of the yarn 10, (10) The residence time can be controlled.

1000: resin dryer 1100: drying chamber 1110: frame
1120: Panel 1121: Inlet 1122: Outlet
1123: Twisted portion 1124: Shielding film 1130: Fixing roller
1131: projection 1132: shaft 1133: bearing
1140: moving roller 1141: projection 1142:
1143: Bearing 1200: Operation part 1210: Heat wind
1211: pipe 1220: elevating means 1221: motor
1221a: pulley 1221a ': pulley 1221a': belt
1222: lower shaft 1222a: pulley 1223: upper shaft
1223a: pulley 1224: belt
1225, 1225 ': Support portion 1226: Guide rod
1227: block 1227a: linear bearing 1230: air compressor
1231: pipes 1232, 1232 ': cooling chamber
1233, 1233 ': Vortex tube 1300: Cooler
1310: cooling box 1311: inlet 1312: outlet
1320: guide roller 1330: vortex tube
2000: Krill v. 2100: Krill 2200: Guide
3000: Impregnating device 3100: Bucket 3110: Guide roller
3200: Squeeze part 3300: Heater
4000: release paper supply part 4100: supply roller
5000: Take-up device
5100, 5200: Take-up roller 5300: Cylinder
6000: Winding device 6100: Winding roller 6200: Motor
6300: Traverse device 6310: Guide
10: Yarn 20: Resin
30: tow prepreg 40: release paper

Claims (7)

A resin dryer for drying the resin of the yarn while passing a yarn impregnated with a resin into the roller, the dryer comprising a drying chamber including a plurality of rollers in a closed structure, and an operating portion blowing hot air into the drying chamber by a hot air blower, In this case,
The rollers of the drying chamber are composed of fixed rollers arranged at left and right fixed intervals and moving rollers arranged at regular intervals above the fixed rollers. The rollers are freely rotated by bearings, A plurality of projections projecting in the circumferential direction are formed,
By the structure in which the yarn flowing into the drying chamber passes through the fixing roller and the moving roller and exits from the drying chamber,
The resin dryer for manufacturing a tow prepreg has a compact structure by means of rollers arranged in an upper and a lower direction, and the drop of the resin contained in the yarn is minimized by the projections of the rollers.
The method according to claim 1,
Wherein the moving rollers move up and down,
An air compressor is further provided in the operating portion, and compressed air is blown into each of the rollers,
Wherein the length of time the yarn stays in the drying chamber chamber is controlled by the up and down movement of the moving roller and the overheat is prevented by the supply of the compressed air to the roller.
3. The method of claim 2,
The roller of the resin drier is supported by a shaft, the shaft projecting out of the drying chamber,
Each axis of the fixing roller is integrally fixed by one support part outside the drying chamber,
Each axis of the moving roller is integrally fixed by the other supporting portion outside the drying chamber,
The drying chamber has a lower shaft and an upper shaft parallel to the lower shaft. The pulleys constitute a lower shaft and an upper shaft, and the pulleys of the lower shaft and the upper shaft are connected by a belt. And the supporting portion to which the shaft of the moving roller is fixed is connected to the facing belt,
And the moving roller of the drying chamber moves up and down by operation of the motor.
The method of claim 3,
Each of the supporting portions of the resin dryer constitutes a cooling chamber, the cooling chamber forms a vortex tube,
Each of the shafts of the rollers being configured to penetrate therethrough, the shaft being connected to the cooling chamber,
The support portion includes guide means by linear motion guide engagement or engagement between the linear bearing and the guide bar,
Wherein the roller is prevented from being overheated by the cooling chamber and the vortex tube, and the moving roller is vertically moved up and down by a guide means.
5. The method of claim 4,
A cooler is further provided beside the drying chamber of the resin dryer,
The cooler includes a closed cooling box, a vortex tube constituting the cooling box, and a plurality of freely rotating guide rollers formed inside the cooling box,
The height of the entrance and exit of the yarn in and out of the drying chamber and the entrance and exit of the yarn in and out of the cooling box are the same and the lower position of the fixing roller is equal to the height of the entrance and exit of the drying chamber,
Wherein a fixing roller is positioned correspondingly below each of the moving rollers, and the fixing roller is constituted by at least one of the moving rollers on both sides,
And the yarn passing through the drying chamber is cooled again by cooling the yarn coming out from the drying chamber by the cooler, thereby completely drying the resin.
A krill band for supplying yarn by installing a branch tube with a yarn wound around the krill;
An impregnating device including a bucket for receiving a resin and containing a predetermined amount of resin and constituting a plurality of guide rollers therein, and a squeezing section for squeezing resin impregnated into the yarn;
A resin dryer as claimed in any one of claims 1 to 5, comprising: a resin dryer in which hot air is supplied to a drying chamber including a plurality of rollers arranged in an up-and-down direction;
A take-up device including a pair of take-up rollers and a motor for rotating the take-up rollers;
A tow prepreg manufacturing system in which a winding device including a winding roller rotated by a motor is arranged in sequence,
The yarn impregnated with the resin is impregnated with the resin in the impregnating device while the yarn of the crill band is pulled out from the take-up device. The yarn impregnated with the resin is dried while passing through the resin drying section to produce the tow prepreg, The tow prepreg manufacturing system to which the resin dryer is applied is characterized in that it is wound around a branch pipe.
The method according to claim 6,
A release paper feeding section including a freely rotating feeding roller, the release paper feeding section being constituted between a resin dryer and a take-up device,
A traverse device including a guide reciprocating along a longitudinal direction of a branch pipe is constituted as a winding device,
The tow prepreg is spirally wound by the traverse device and the releasing paper is provided on the supply roller of the releasing paper feeding portion so as to be released between the take-up rollers of the take-up device to manufacture the tow prepreg, Characterized in that the resin dryer is applied to a tow prepreg manufacturing system.
KR1020150190674A 2015-12-31 2015-12-31 the resin drying apparatus for making of tow prepreg and the manufacturing system for tow prepreg therewith KR101744074B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114318716A (en) * 2022-02-10 2022-04-12 一书一码(北京)智慧图书技术有限公司 Super anti-fake cellosilk processing equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001225325A (en) 2000-02-17 2001-08-21 Takuma Co Ltd Prepreg manufacturing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001225325A (en) 2000-02-17 2001-08-21 Takuma Co Ltd Prepreg manufacturing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114318716A (en) * 2022-02-10 2022-04-12 一书一码(北京)智慧图书技术有限公司 Super anti-fake cellosilk processing equipment

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