KR20050020119A - fiber reinforced polymer pipe forming equipment for grouting and its manufacture method - Google Patents

fiber reinforced polymer pipe forming equipment for grouting and its manufacture method Download PDF

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Publication number
KR20050020119A
KR20050020119A KR1020030057820A KR20030057820A KR20050020119A KR 20050020119 A KR20050020119 A KR 20050020119A KR 1020030057820 A KR1020030057820 A KR 1020030057820A KR 20030057820 A KR20030057820 A KR 20030057820A KR 20050020119 A KR20050020119 A KR 20050020119A
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fiber
resin
roving
knitting
grouting
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KR1020030057820A
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Korean (ko)
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KR100580226B1 (en
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최용기
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최용기
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/06—Unsaturated polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2079/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain, not provided for in groups B29K2061/00 - B29K2077/00, as moulding material
    • B29K2079/08—PI, i.e. polyimides or derivatives thereof
    • B29K2079/085—Thermoplastic polyimides, e.g. polyesterimides, PEI, i.e. polyetherimides, or polyamideimides; Derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Abstract

PURPOSE: A grouting FRP(Fiberglass Reinforced Plastic) pipe and a manufacturing method thereof are provided to improve the mechanical properties of reinforced fiber, carbon fiber and aramid fiber, and to reduce the manufacturing cost by combining fiber with matrix resin and by manufacturing the FRP pipes with drawing process and cross forming process. CONSTITUTION: Reinforced fiber is arranged in a compound formed by mixing thermosetting resin and thermoplastic resin, and passed through a resin impregnation tub(40) and a forming guide(50). The fiberglass reinforced polymer impregnated with resin is put into a heating metal mold, and cooled and drawn continuously. The fiberglass reinforced plastic is withdrawn successively by a drawing unit(10), and wound to a roving arranged at the angle of 30 to 90 angular degrees of a shaft by a cross knitting unit(20). The twisted roving is knitted on the surface of the winding fiberglass reinforced plastic by a projecting knitting machine(30), and the resin is maintained properly on the surface of the roving through the resin impregnation tube and the forming guide. The pipe is withdrawn continuously by the drawing unit, and hardened and cut.

Description

그라우팅용 ＦＲＰ 파이프 및 그 제조방법{fiber reinforced polymer pipe forming equipment for grouting and its manufacture method}FRP pipe for grouting and its manufacturing method {fiber reinforced polymer pipe forming equipment for grouting and its manufacture method}

본 발명은 그라우팅용 FRP 파이프 및 그 제조방법에 관한 것으로, 특히 인발성형과 크로스성형장치를 복합적으로 이용하여 연속된 섬유를 방향별로 공급하여 FRP 파이프 제조함에 경제성 및 고성능화를 도모하도록 한 그라우팅용 FRP 파이프 및 그 제조방법에 관한 것이다.The present invention relates to a grouting FRP pipe and a method of manufacturing the same, and in particular, a grouting FRP pipe for economical and high performance in the production of FRP pipes by supplying continuous fibers by directions using a combination of a pull molding and a cross molding apparatus. And to a method for producing the same.

일반적으로 그라우팅용 FRP 파이프 성형에 적합한 대표적인 성형법으로는 인발성형과 필라멘트와인딩성형법이 있다. In general, typical molding methods suitable for forming a grouting FRP pipe include pull molding and filament winding molding.

전자인 인발성형법이란 열경화성수지에 열가소성수지인 저수축제, 충진제, 조색제, 이형제, 경화제 등의 첨가물을 혼합한 컴파운드 상태에 보강섬유가 단면형상에 따라 적절히 배치되어 수지함침조, 포밍가이드를 통과하면서 예비 성형되고, 수지에 완전히 합침된 섬유보강재는 가열된 금속제 금형에 들어가서 경화되고, 금형을 통과한 부재는 냉각되며 인발장치에 의해 연속적으로 당겨지고, 최종적으로 부재를 원하는 길이로 절단시키는 방법이다. The former draw molding method is a reinforcing fiber disposed appropriately according to the cross-sectional shape in a compound state in which a thermosetting resin is mixed with additives such as a thermoplastic resin, a low shrinkage agent, a filler, a colorant, a mold release agent, and a curing agent. The fibrous reinforcement molded and fully impregnated with the resin enters a heated metal mold and cures, the member passed through the mold is cooled and continuously drawn by a drawing apparatus, and finally the member is cut into a desired length.

여기서, 상기한 인발성형에 사용할 수 있는 강화제로서는 로빙이 일반적이며, 축방향의 섬유배열로 강도와 강성을 증가하는 것이 유리하지만 세로로 쪼개지는 단점을 보완하기 위해 축방향에 직교되게 로빙을 횡으로 감아 줄 필요가 있다. In this case, roving is generally used as the reinforcing agent which can be used for the above-mentioned pultrusion, and it is advantageous to increase the strength and rigidity with the axial fiber arrangement, but the roving is laterally orthogonal to the axial direction in order to compensate for the vertical splitting disadvantage. Need to wind up

후자인 필라멘트와인딩성형법이란 연속으로 된 강화제를 수∼수십본 정리하여 매트릭스수지에 함침시키면서 회전하는 맨드렐형에서 성형한 후 탈형하는 방법이다. The latter filament winding molding method is a method in which a plurality of tens of continuous reinforcing agents are collectively formed in a rotating mandrel while impregnated in a matrix resin and then demolded.

따라서, 상기 필라멘트와인딩성형법으로 제조된 성형품은 고강도의 장점을 가지고 있어 내압파이프, 탱크용기의 성형에 적용되고 있다. Therefore, the molded article manufactured by the filament winding molding method has an advantage of high strength and is applied to the forming of pressure-resistant pipes and tank containers.

그런데, 상기한 필라멘트와인딩성형법의 특성상 사방향의 일체화된 섬유공급이 가능하나, 축방향의 섬유공급은 대체로 수작업에 의해서 공급하는 번거로움으로 경제성이 떨어지는 문제가 있다. By the way, the filament winding molding method is capable of supplying integral fibers in the four directions in the four directions, but the axial fiber supply is generally economical due to the inconvenience of supplying by manual labor.

이에, 본 발명은 상기한 바와 같은 제문제점을 해결하기 위해 안출된 것으로써, 인발성형과 크로스성형장치의 장점을 복합적으로 이용하여 연속된 섬유를 방향별로 공급하여 FRP 파이프를 제조함에 경제성 및 고성능화를 도모하도록 한 그라우팅용 FRP 파이프 및 그 제조방법을 제공하는데 그 목적이 있다.Accordingly, the present invention has been made to solve the problems described above, by using a combination of the advantages of the draw molding and cross-molding apparatus by supplying a continuous fiber for each direction to produce an FRP pipe economical and high performance An object of the present invention is to provide a grouting FRP pipe and a method of manufacturing the same.

또한, 에폭시수지의 장점인 콘크리트와의 우수한 부착력과 꼬인 로빙의 프로젝팅 편사방법을 이용한 단면적의 증대와 요철표면은 환경에 부합하는 다기능을 실현가능하도록 한 그라우팅용 FRP 파이프 및 그 제조방법을 제공하는데 그 목적이 있다. In addition, to provide a grouting FRP pipe and its manufacturing method to increase the cross-sectional area and the uneven surface using the excellent adhesion to concrete and the projection knitting method of twisted roving, which is an advantage of epoxy resin. The purpose is.

상기한 목적을 달성하기 위한 본 발명에 따른 그라우팅용 FRP 파이프 제조방법은 열경화성수지에 열가소성수지를 혼합한 컴파운드에 보강섬유를 적절히 배치하고, 상기 보강섬유가 적절히 배치된 상태로 수지함침조와 포밍가이드를 통과하면서 예비 성형되고, 수지에 완전히 함침된 섬유보강재는 가열된 금속제 금형에 들어가며, 상기 금형을 통과한 섬유보강재는 냉각되며 인발장치에 의해 연속적으로 당겨지고, 상기 당겨진 섬유보강재를 원하는 길이로 절단하여 제조하는 FRP 파이프 제조방법에 있어서, Grouting FRP pipe manufacturing method according to the present invention for achieving the above object is appropriately placed reinforcing fibers in a compound mixed with a thermoplastic resin thermosetting resin, and the resin impregnation tank and the forming guide in the state in which the reinforcing fibers are properly disposed The fiber stiffener preformed through and completely impregnated with the resin enters a heated metal mold, and the fiber stiffener passed through the mold is cooled and continuously drawn by a drawing device, and the cut fiber stiffener is cut to a desired length. In the FRP pipe manufacturing method to manufacture,

상기 인발장치에 의해서 연속적으로 섬유보강재가 나오면 크로스 편사장치를 이용하여 축의 30°∼90°방향으로 배치된 로빙으로 상기 섬유보강재를 와인딩하는 단계; 상기 와인딩된 섬유보강재의 표면위에 프로젝팅 편사장치를 이용하여 꼬인 로빙을 편사하는 단계; 상기 감긴 로빙을 수지함침조를 거쳐 함침된 후 성형가이드를 거치면서 적정의 수지만 표면에 남게 한 후 인발장치에 의해 연속적으로 당겨진 파이프를 경화로에 의해 경화시킴과 동시에 원하는 길이로 절단시키는 단계를 순차적으로 시행하여 FRP 파이프를 제조함을 특징으로 한다.Winding the fiber reinforcement with rovings arranged in a 30 ° to 90 ° direction of the shaft using a cross knitting machine when the fiber reinforcement is continuously provided by the drawing device; Knitting twisted rovings using a projection knitting needle on a surface of the wound fiber reinforcement; After the impregnated roving is impregnated through the resin impregnating tank, the molding guide is passed through the molding guide so that only a suitable number of resin remains on the surface, and then the pipe continuously drawn by the drawing device is hardened by a hardening furnace and cut to a desired length. It is characterized by the fact that the FRP pipe is manufactured sequentially.

이하, 본 고안을 첨부한 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail.

도 1은 본 발명에 따른 파이프 편사장치를 도시한 시스템도이며, 도 2는 본 발명에 따른 크로스 편사장치를 도시한 정면도이며, 도 3은 본 발명에 따른 크로스 편사장치를 도시한 측면도이며, 도 4는 본 발명에 따른 크로스 편사장치로 파이프 외경편사를 하는 과정을 도시한 예시도이며, 도 5는 본 발명에 따른 프로젝팅 편사장치를 도시한 정면도이며, 도 6은 본 발명에 따른 프로젝팅 편사장치를 도시한 측면도이며, 도 7은 본 발명에 따른 프로젝팅 편사장치로 파이프를 편사하는 과정을 도시한 예시도이다.1 is a system diagram showing a pipe knitting machine according to the present invention, FIG. 2 is a front view showing a cross knitting machine according to the present invention, and FIG. 3 is a side view showing a cross knitting machine according to the present invention. 4 is an exemplary view showing a process of making a pipe outer diameter knitting with the cross knitting device according to the present invention, Figure 5 is a front view showing a projection knitting yarn according to the present invention, Figure 6 is a projection knitting yarn according to the present invention Fig. 7 is a side view showing the device, and Fig. 7 is an exemplary view showing a process of knitting the pipe with the projection knitting device according to the present invention.

이들 도면에 도시된 바와 같이, 본 발명에 따른 그라우팅용 FRP 파이프 제조방법은 열경화성수지에 열가소성수지를 혼합한 컴파운드에 보강섬유를 적절히 배치하고, 상기 보강섬유가 적절히 배치된 상태로 수지함침조와 포밍가이드를 통과하면서 예비 성형되고, 수지에 완전히 함침된 섬유보강재는 가열된 금속제 금형에 들어가며, 상기 금형을 통과한 섬유보강재는 냉각되며 인발장치에 의해 연속적으로 당겨지고, 상기 당겨진 섬유보강재를 원하는 길이로 절단하여 제조하는 FRP 파이프 제조방법에 있어서, As shown in these drawings, the method for producing a grouting FRP pipe according to the present invention is appropriately disposed in the compound of the thermoplastic resin mixed with a thermosetting resin, and the resin impregnation tank and the forming guide in the state in which the reinforcing fibers are properly disposed The fiber stiffener preformed while passing through and completely impregnated with the resin enters a heated metal mold, and the fiber stiffener passed through the mold is cooled and continuously drawn by a drawing device, and the cut fiber stiffener is cut to a desired length. In the manufacturing method of the FRP pipe,

상기 인발장치(10)에 의해서 연속적으로 섬유보강재가 나오면 크로스 편사장치(20)를 이용하여 축의 30°∼90°방향으로 배치된 로빙(R)으로 상기 섬유보강재(F)를 와인딩하는 단계; 상기 와인딩된 섬유보강재(F)의 표면위에 프로젝팅 편사장치(30)를 이용하여 꼬인 로빙(R)을 편사하는 단계; 상기 감긴 로빙(R)을 수지함침조(40)를 거쳐 함침된 후 성형가이드를 거치면서 적정의 수지만 표면에 남게 한 후 인발장치(10)에 의해 연속적으로 당겨진 파이프를 경화로에 의해 경화시킴과 동시에 원하는 길이로 절단시키는 단계를 순차적으로 시행하여 FRP 파이프를 제조한다.Winding the fiber reinforcement material (F) with rovings (R) arranged in a direction of 30 ° to 90 ° of the shaft using the cross knitting device (20) when the fiber reinforcement material is continuously provided by the drawing device (10); Knitting twisted rovings (R) using a projection knitting device (30) on the surface of the wound fiber reinforcement (F); After the wound roving (R) is impregnated through the resin impregnation tank (40), while passing through the molding guide only the right amount of resin remains on the surface and the pipe continuously drawn by the drawing device (10) is cured by a curing furnace. Simultaneously with the step of cutting to the desired length to produce a FRP pipe.

여기서, 상기 와인딩 단계는 인발장치에 의해서 연속적으로 섬유보강재(F)가 나오면 크로스 편사장치(20)를 이용하여 상기 섬유보강재(F)상에 천을 씌우고 그 위에 로빙(R)을 깔고 한쪽 사선방향(↗)으로 로빙(R)을 감고, 다시 로빙(R)을 깔고 반대쪽 사선방향(↘)으로 실을 감는 단계로서 궁극적으로 X자 형상으로 로빙을 와인딩하는 단계로 이루어진다.Here, in the winding step, when the fiber reinforcement material (F) is continuously drawn out by the drawing device, the cloth is applied to the fiber reinforcement material (F) by using the cross knitting device 20, and the roving (R) is laid thereon and one diagonal direction ( ↗) winding the roving (R), and then spreading the roving (R) and winding the yarn in the opposite diagonal direction (↘) ultimately consists of winding the roving in the X-shape.

또한, 상기 편사단계는 크로스 편사장치(20)에 의해 와인딩된 섬유보강재(F)의 표면위에 프로젝팅 편사장치(30)를 이용하여 꼬인 로빙(R)을 편사하되, 프로젝팅 편사장치(30)의 일측의 보빈(32)에 감긴 원사가 드럼휠(34)에서 3가닥 꼬인 상태로 섬유보강재(F)의 표면을 일정한 각도로 와인딩하고, 상기 와인딩 된 섬유보강재(F)의 표면을 드럼휠(34)에서 천으로 감싼 후, 상기 천으로 감싼 섬유보강재(F)를 다시 프로젝팅 편사장치(30)의 타측의 보빈(32)에 감긴 원사가 드럼휠(34)에서 3가닥 꼬인 상태로 섬유보강재(F)의 표면을 일정한 각도로 와인딩하는 단계로 이루어진다.In addition, the knitting step knitting the roving (R) twisted using the projection knitting device 30 on the surface of the fiber reinforcing material (F) wound by the cross knitting device 20, the projection knitting device 30 Yarn wound on one side of the bobbin 32 is wound three times in the drum wheel 34 in the state of the fiber reinforcing material (F) at a constant angle, the surface of the wound fiber reinforcing material (F) drum wheel ( 34), the fiber reinforcing material (F) wrapped in the cloth, and the fiber reinforcement in the state twisted three strands in the bobbin 32 of the bobbin 32 on the other side of the projection knitting device 30 again Winding the surface of (F) at a constant angle.

한편, 상기 열경화성수지는 불포화폴리에스테르, 비닐에스테르, 에폭시, 페놀, 우레탄으로 이루어진 군으로부터 선택된다.On the other hand, the thermosetting resin is selected from the group consisting of unsaturated polyester, vinyl ester, epoxy, phenol, urethane.

또한, 상기 열가소성수지는 폴리에테르 에테르 케톤, 폴리아미드 이미드, 폴리아미드으로 이루어진 군으로부터 선택된다.In addition, the thermoplastic resin is selected from the group consisting of polyether ether ketones, polyamide imides, polyamides.

그리고, 상기 보강섬유는 유리섬유, 탄소섬유, 아라미드섬유로 이루어진 군으로부터 선택된다.And, the reinforcing fibers are selected from the group consisting of glass fibers, carbon fibers, aramid fibers.

즉, 본 발명에 따른 그라우팅용 FRP 파이프 제조방법은 크게 인발성형기와 필라멘트와인딩성형장치를 이용하여 FRP 파이프를 제조함에 그 특징이 있다.In other words, the method for manufacturing a grouting FRP pipe according to the present invention is characterized in that the FRP pipe is manufactured using a drawing machine and a filament winding molding apparatus.

먼저, 열경화성수지에 저수축제를 포함하여 충전제, 경화제, 조색제, 내부이형제 등의 열가소성수지 첨가물을 수지함침조에 넣고 혼합한다.First, a thermoplastic resin additive such as a filler, a curing agent, a colorant, an internal mold release agent, and the like, including a low shrinkage agent in a thermosetting resin, is mixed in a resin impregnation bath.

이어서, 크릴(creel)에 적재된 로빙(R)을 한 가닥씩 설계된 양만큼 가이드판체를 통과시킨 후 서로 교차하는 로빙(R)이 없는지 확인하고, 섬유보강재(F)는 매트크릴이나 회전원판에 적재하여 공급한다.Subsequently, after passing the guide plate body by the designed amount by one strand of the rovings (R) loaded on the creel, check whether there are no rovings (R) intersecting with each other, and the fiber reinforcement (F) is placed on the mat creel or the rotating disc. Load and supply.

로빙(R)과 섬유보강재(F)는 장착된 여러 개의 포밍가이드 단면의 형상에 따라 적절히 배치한 다음 금형에 통과시킨 후 테이프를 이용하여 풀리지 않게 단단하게 감는다.The roving (R) and the fiber reinforcement (F) is appropriately arranged according to the shape of the cross-sectional forming guides are mounted, then passed through the mold and wound tightly using tape.

테이프로 감은 섬유보강재(F)와 로빙(R) 묶음은 인발성형기의 인발장치에 물린 다음 미끄러지거나 끊어지지 않게 주의하면서 당긴다.Tape bundles of fiber reinforcements (F) and rovings (R) are pulled by the drawer of the drawing machine, taking care not to slip or break.

금형에 열을 가하여 원하는 온도영역에 세팅한다.Heat the mold to set the desired temperature range.

혼합된 액상의 컴파운드를 수지함침조에 공급하여 섬유보강재(F)와 로빙(R)을 충분히 함침시킨다.The mixed liquid compound is supplied to the resin impregnation tank to sufficiently impregnate the fiber reinforcing material (F) and the roving (R).

금형의 크기와 형상은 제작되는 FRP 파이프의 형상이 되며, 금형에 공급한 열에너지는 열경화성수지의 경화를 촉진시켜 액상의 컴파운드가 빠르게 원하는 형상으로 경화된다. The size and shape of the mold becomes the shape of the FRP pipe to be manufactured, and the thermal energy supplied to the mold promotes the curing of the thermosetting resin, so that the liquid compound quickly cures to the desired shape.

경화된 섬유보강재(F)는 인발장치(10)에 의해 연속적으로 당겨진다.The cured fiber reinforcement F is continuously drawn by the drawing device 10.

섬유보강재(F)가 서서히 경화되어 나오기 시작하면 크로스 편사장치(20)를 이용하여 축의 30°∼90°방향으로 배치된 로빙(R)으로 와인딩 작업을 한다.When the fiber reinforcing material (F) starts to harden slowly, the winding operation is performed with the roving (R) arranged in the direction of 30 ° to 90 ° of the shaft using the cross knitting device 20.

즉, 상기 와인딩작업은 인발장치에 의해서 연속적으로 섬유보강재(F)가 나오면 크로스 편사장치(20)를 이용하여 상기 섬유보강재(F)상에 천을 씌우고 그 위에 로빙(R)을 깔고 한쪽 사선방향(↗)으로 로빙(R)을 감고, 다시 로빙(R)을 깔고 반대쪽 사선방향(↘)으로 실을 감는 단계로서 궁극적으로 X자 형상으로 로빙(R)을 와인딩하는 작업이다.That is, in the winding operation, when the fiber reinforcement material (F) is continuously drawn out by the drawing device, the cloth is coated on the fiber reinforcement material (F) by using the cross knitting device (20), and the roving (R) is laid thereon and one diagonal direction ( ↗) to wind the roving (R), and then again to lay the roving (R) and to wrap the yarn in the opposite diagonal direction (로서) ultimately the operation of winding the roving (R) in the X-shape.

이어서, 상기 와인딩된 섬유보강재(F)의 표면위에 프로젝팅 편사장치(30)를 이용하여 꼬인 로빙(R)을 편사한다.Subsequently, the twisted roving R is knitted on the surface of the wound fiber reinforcement F by using the projection knitting device 30.

즉, 상기 편사장치에 의해 와인딩된 섬유보강재(F)의 표면위에 프로젝팅 편사장치(30)를 이용하여 꼬인 로빙(R)을 편사하되, 프로젝팅 편사장치(30)의 일측의 보빈(32)에 감긴 원사가 드럼휠(34)에서 3가닥으로 꼬인 상태로 섬유보강재(F)의 표면을 일정한 각도로 와인딩하고, 상기 와인딩 된 섬유보강재(F)의 표면을 드럼휠(34)에서 천으로 감싼 후, 상기 천으로 감싼 섬유보강재(F)를 다시 프로젝팅 편사장치(30)의 타측의 보빈(32)에 감긴 원사가 드럼휠(34)에서 3가닥으로 꼬인 상태로 섬유보강재(F)의 표면을 일정한 각도로 편사하는 단계이다.That is, while twisting the roving (R) twisted using the projection knitting device 30 on the surface of the fiber reinforcement (F) wound by the knitting device, the bobbin 32 of one side of the projection knitting device (30) The yarn wound on the wind winding the surface of the fiber reinforcement (F) at a constant angle in a twisted state in three strands on the drum wheel 34, and wrapped the surface of the wound fiber reinforcement (F) with a cloth on the drum wheel (34) After that, the surface of the fiber reinforcing material (F) in a state in which the yarn wound on the bobbin 32 of the other side of the projection knitting device 30 is twisted in three strands in the drum wheel (34). Step of knitting the yarn at a constant angle.

그 후, 감겨진 로빙(R)은 수지함침조(40)를 거쳐 충분히 함침된 후 성형가이드(50)를 거치면서 적정의 수지만 표면에 남게 한다.Thereafter, the wound roving (R) is sufficiently impregnated through the resin impregnation tank 40, and then passes through the molding guide 50 so that only the appropriate resin remains on the surface.

인발장치(10)에 의해 연속적으로 당겨진 파이프는 경화로에 의해 경화된다.The pipe continuously drawn by the drawing device 10 is cured by a curing furnace.

연속적으로 당겨진 파이프를 최종적으로 원하는 길이로 절단한다.The continuously drawn pipe is finally cut to the desired length.

이상에서 설명한 바와 같이, 본 발명에 따른 그라우팅용 FRP 파이프 및 그 제조방법은 다음과 같은 효과가 있다.As described above, the grouting FRP pipe and the manufacturing method according to the present invention has the following effects.

첫째, 본 발명에 따른 그라우팅용 FRP 파이프 및 그 제조방법은 강화제로 사용되는 섬유와 매트릭스 수지의 다양한 조합을 얻을 수 있는 장점이 있다.First, the grouting FRP pipe and the manufacturing method according to the present invention has the advantage of obtaining a variety of combinations of the fiber and the matrix resin used as a reinforcing agent.

둘째, 본 발명에 따른 그라우팅용 FRP 파이프 및 그 제조방법은 보강섬유와 탄소섬유 및 아라미드섬유 등의 기계적인 특성이 향상되는 이점이 있다.Second, the grouting FRP pipe and the manufacturing method according to the present invention has the advantage that the mechanical properties such as reinforcing fibers and carbon fibers and aramid fibers are improved.

셋째, 본 발명에 따른 그라우팅용 FRP 파이프 및 그 제조방법은 하이브리드구조 뿐만 아니라 특히 인발성형과 크로스 성형장치를 이용하여 연속된 섬유를 방향별로 공급하여 기존 성형법의 결점을 보완하고 경제성 및 고성능화를 도모하는 이점이 있다.Third, the grouting FRP pipe according to the present invention and the manufacturing method thereof, in addition to the hybrid structure, in particular by supplying the continuous fibers by direction using the draw molding and cross molding device to compensate for the shortcomings of the existing molding method and to promote economics and high performance There is an advantage.

다섯째, 본 발명에 따른 그라우팅용 FRP 파이프 및 그 제조방법은 에폭시수지의 장점인 콘크리트와의 우수한 부착력과 꼬인 로빙의 프로젝팅 편사방식을 이용한 단면적의 증대와 요철표면은 환경적인 요구사항에 부합하는 다기능을 실현 가능하게 하는 장점이 있다.Fifth, the grouting FRP pipe according to the present invention and the manufacturing method thereof is a multifunctional to increase the cross-sectional area and the uneven surface using the excellent adhesion of concrete and the projection knitting method of twisted roving, which is an advantage of epoxy resin There is an advantage to make it possible.

도 1은 본 발명에 따른 파이프 편사장치를 도시한 시스템도,1 is a system diagram showing a pipe knitting machine according to the present invention;

도 2는 본 발명에 따른 크로스 편사장치를 도시한 정면도,2 is a front view showing a cross knitting needle according to the present invention;

도 3은 본 발명에 따른 크로스 편사장치를 도시한 측면도,Figure 3 is a side view showing a cross stitch in accordance with the present invention,

도 4는 본 발명에 따른 크로스 편사장치로 파이프 외경편사를 하는 과정을 Figure 4 is a process for making a pipe outer diameter knitting with the cross knitting device according to the invention

도시한 예시도, Illustrated diagram,

도 5는 본 발명에 따른 프로젝팅 편사장치를 도시한 정면도,5 is a front view showing the projection knitting needle according to the present invention,

도 6은 본 발명에 따른 프로젝팅 편사장치를 도시한 측면도,6 is a side view showing a projection knitting needle according to the present invention;

도 7은 본 발명에 따른 프로젝팅 편사장치로 파이프를 편사하는 과정을 7 is a process for knitting a pipe by the projection knitting device according to the present invention

도시한 예시도.Illustrated diagram shown.

-도면의 주요부분에 대한 부호의 설명-Explanation of symbols on the main parts of the drawing

10 : 인발장치 20 : 크로스 편사장치10: drawing device 20: cross knitting device

22 : 보빈 24 : 드럼휠22: bobbin 24: drum wheel

26 : 가이드 사이징 30 : 프로젝팅 편사장치26: guide sizing 30: projection knitting device

32 : 보빈 34 : 드럼휠32: bobbin 34: drum wheel

36 : 가이드 사이징 40 : 수지함침조36: guide sizing 40: resin impregnation tank

50 : 성형가이드 F : 섬유보강재50: forming guide F: fiber reinforcement

R : 로빙R: roving

Claims (7)

열경화성수지에 열가소성수지를 혼합한 컴파운드에 보강섬유를 적절히 배치하고, 상기 보강섬유가 적절히 배치된 상태로 수지함침조와 포밍가이드를 통과하면서 예비 성형되고, 수지에 완전히 함침된 섬유보강재는 가열된 금속제 금형에 들어가며, 상기 금형을 통과한 섬유보강재는 냉각되며 인발장치에 의해 연속적으로 당겨지고, 상기 당겨진 섬유보강재를 원하는 길이로 절단하여 FRP 파이프를 제조하는 FRP 파이프 제조방법에 있어서, The fiber reinforcing material impregnated with the thermoplastic resin and the thermoplastic resin is properly disposed and preformed through the resin impregnation tank and the forming guide while the reinforcing fiber is properly disposed, and the fiber reinforcing material completely impregnated with the resin is a heated metal mold. In the FRP pipe manufacturing method for manufacturing a FRP pipe, the fiber reinforcing material passed through the mold is cooled and continuously drawn by a drawing device, and cut into the desired length. 상기 인발장치에 의해서 연속적으로 섬유보강재가 나오면 크로스 편사장치를 이용하여 축의 30°∼90°방향으로 배치된 로빙으로 상기 섬유보강재를 와인딩하는 단계; Winding the fiber reinforcement with rovings arranged in a 30 ° to 90 ° direction of the shaft using a cross knitting machine when the fiber reinforcement is continuously provided by the drawing device; 상기 와인딩된 섬유보강재의 표면위에 프로젝팅 편사장치를 이용하여 꼬인 로빙을 편사하는 단계; Knitting twisted rovings using a projection knitting needle on a surface of the wound fiber reinforcement; 상기 감긴 로빙을 수지함침조를 거쳐 함침된 후 성형가이드를 거치면서 적정의 수지만 표면에 남게 한 후 인발장치에 의해 연속적으로 당겨진 파이프를 경화로에 의해 경화시킴과 동시에 원하는 길이로 절단시키는 단계를 순차적으로 시행하여 FRP 파이프를 제조함을 특징으로 하는 그라우팅용 FRP 파이프 제조방법.After the impregnated roving is impregnated through the resin impregnating tank, the molding guide is passed through the molding guide so that only a suitable number of resin remains on the surface, and then the pipe continuously drawn by the drawing device is hardened by a hardening furnace and cut to a desired length. Grouting FRP pipe manufacturing method characterized in that to sequentially perform the FRP pipe manufacturing. 제 1항에 있어서, The method of claim 1, 상기 와인딩 단계는 인발장치에 의해서 연속적으로 섬유보강재가 나오면 크로스 편사장치를 이용하여 상기 섬유보강재상에 천을 씌우고 그 위에 로빙을 깔고 한쪽 사선방향(↗)으로 로빙을 감고, 다시 로빙을 깔고 반대쪽 사선방향(↘)으로 실을 감는 단계로서 궁극적으로 X자 형상으로 로빙을 와인딩하는 단계로 이루어짐을 특징으로 하는 그라우팅용 FRP 파이프 제조방법. In the winding step, when the fiber reinforcement is continuously drawn out by the drawing device, the cloth is placed on the fiber reinforcement using a cross knitting machine and the roving is laid on the fiber reinforcement, and the roving is rolled in one diagonal direction (↗), and then the roving is applied in the opposite diagonal direction. (Iii) a step of winding a thread, and ultimately, a method of manufacturing a grouting FRP pipe, characterized in that it comprises winding the roving in an X shape. 제 1항 또는 제 2항에 있어서, The method according to claim 1 or 2, 상기 편사단계는 크로스 편사장치에 의해 와인딩된 섬유보강재의 표면위에 프로젝팅 편사장치를 이용하여 꼬인 로빙을 편사하되, 프로젝팅 편사장치의 일측의 드럼휠로부터 원사가 3가닥 꼬인 상태로 섬유보강재의 표면을 일정한 각도로 와인딩하고, 상기 와인딩 된 섬유보강재의 표면을 드럼휠에서 천으로 감싼 후, 상기 천으로 감싼 섬유보강재를 다시 프로젝팅 편사장치의 타측의 드럼휠로 원사가 3가닥 꼬인 상태로 섬유보강재의 표면을 일정한 각도로 와인딩하는 단계로 이루어짐을 특징으로 하는 그라우팅용 FRP 파이프 제조방법. The knitting step is to twist the roving twisted using a projection knitting yarn on the surface of the fiber reinforcing material wound by the cross knitting device, the surface of the fiber reinforcement in the state of twisting three strands of yarn from the drum wheel of one side of the projection knitting device Winding at a constant angle, and wrapped the surface of the wound fiber reinforcement with a cloth from the drum wheel, the fiber reinforcement wrapped with the cloth again to the drum wheel on the other side of the projection weaving device twisted three strands of fiber reinforcement Grouting FRP pipe manufacturing method, characterized in that the step of winding the surface of a constant angle. 제 1항에 있어서, The method of claim 1, 상기 열경화성수지는 불포화폴리에스테르, 비닐에스테르, 에폭시, 페놀, 우레탄으로 이루어진 군으로부터 선택되는 것을 특징으로 하는 그라우팅용 FRP 파이프 제조방법.The thermosetting resin is selected from the group consisting of unsaturated polyester, vinyl ester, epoxy, phenol, urethane FRP pipe manufacturing method characterized in that. 제 1항에 있어서, The method of claim 1, 상기 열가소성수지는 폴리에테르 에테르 케톤, 폴리아미드 이미드, 폴리아미드으로 이루어진 군으로부터 선택되는 것을 특징으로 하는 그라우팅용 FRP 파이프 제조방법.The thermoplastic resin is selected from the group consisting of polyether ether ketone, polyamide imide, polyamide grouting FRP pipe manufacturing method. 제 1항에 있어서,The method of claim 1, 상기 보강섬유는 유리섬유, 탄소섬유, 아라미드로 이루어진 군으로부터 선택되는 것을 특징으로 하는 그라우팅용 FRP 파이프 제조방법.The reinforcing fiber is a grouting FRP pipe manufacturing method, characterized in that selected from the group consisting of glass fibers, carbon fibers, aramid. 제 1항의 방법에 의하여 제조된 그라우팅용 FRP 파이프.Grouting FRP pipe produced by the method of claim 1.
KR1020030057820A 2003-08-21 2003-08-21 fiber reinforced polymer pipe forming equipment for grouting and its manufacture method KR100580226B1 (en)

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Cited By (3)

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KR100722547B1 (en) * 2006-06-02 2007-06-27 한경대학교 산학협력단 The exterior altered frp reintorcing materiahsand its using of
RU2489259C1 (en) * 2011-12-22 2013-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) Method of producing sealed tubes from glass-fiber material
CN108528005A (en) * 2018-02-26 2018-09-14 娄军 A kind of high life PE tubular object extruding systems

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KR101137477B1 (en) 2009-12-30 2012-04-23 재단법인 포항산업과학연구원 METHOD FOR MANUFACTURING Roll-Formed STEEL-FRP COMPOSITE MEMBER
KR101137476B1 (en) * 2009-12-30 2012-04-23 재단법인 포항산업과학연구원 Method for manufacturing steel-frp composite member
KR101189508B1 (en) 2010-03-25 2012-10-11 김석철 Method for producing strip for industrial machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100722547B1 (en) * 2006-06-02 2007-06-27 한경대학교 산학협력단 The exterior altered frp reintorcing materiahsand its using of
RU2489259C1 (en) * 2011-12-22 2013-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) Method of producing sealed tubes from glass-fiber material
CN108528005A (en) * 2018-02-26 2018-09-14 娄军 A kind of high life PE tubular object extruding systems

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