WO2017146362A1 - Appareil de fabrication d'un composite renforcé par des fibres - Google Patents

Appareil de fabrication d'un composite renforcé par des fibres Download PDF

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Publication number
WO2017146362A1
WO2017146362A1 PCT/KR2016/014414 KR2016014414W WO2017146362A1 WO 2017146362 A1 WO2017146362 A1 WO 2017146362A1 KR 2016014414 W KR2016014414 W KR 2016014414W WO 2017146362 A1 WO2017146362 A1 WO 2017146362A1
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WO
WIPO (PCT)
Prior art keywords
fiber
prepregs
reinforced composite
prepreg
laminating
Prior art date
Application number
PCT/KR2016/014414
Other languages
English (en)
Korean (ko)
Inventor
최재훈
박종성
김희준
송강현
이희정
문영이
Original Assignee
(주)엘지하우시스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)엘지하우시스 filed Critical (주)엘지하우시스
Publication of WO2017146362A1 publication Critical patent/WO2017146362A1/fr

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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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • 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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • 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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • 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
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing

Definitions

  • the present invention relates to an apparatus for producing an improved fiber-reinforced composite to automate the manufacturing process of the fiber-reinforced composite to reduce the working time.
  • fiber-reinforced composites having a polymer resin as a matrix are widely used in the mechanical, electronic, and building industries because they are lightweight and have excellent mechanical properties such as strength and rigidity, heat resistance and corrosion resistance.
  • Such fiber-reinforced composites are often obtained by laminating and laminating unidirectional prepregs obtained by impregnating a thermosetting resin into a reinforcing fiber to obtain a molded article.
  • the fiber-reinforced composite material has a large difference in physical properties according to the orientation, so that the fiber direction of the one-way prepreg is laminated in the longitudinal or transverse direction depending on the characteristics of the applied product, or the fiber direction of the prepreg is the longitudinal direction. And after laminating so as to cross the transverse direction should be laminated.
  • An object of the present invention is to provide an apparatus for producing a fiber-reinforced composite material that can be laminated so that the fiber direction of the prepreg cross-aligned, and to automate the process of manufacturing the fiber-reinforced composite material.
  • the apparatus for producing a fiber-reinforced composite material according to the present invention for achieving the above object is to manufacture a fiber-reinforced composite material by laminating and laminating unidirectional prepregs, and includes a lamination part, a lamination part, and a loading part.
  • the stacking portion is gripped by prepregs and laminated so that the fiber direction of the prepreg faces in the longitudinal or transverse direction, or laminated so that the fiber directions of the prepreg cross in the longitudinal and transverse directions.
  • the lamination part receives the prepregs stacked from the lamination part and applies heating to the laminated prepregs to melt the prepregs, and presses the prepregs melted by the heating members to form a fiber-reinforced composite. And a cooling member for curing the pressing member and the fiber-reinforced composite molded by the pressing member.
  • the loading part receives the fiber reinforced composite material from the lamination part, and holds the fiber reinforced composite material in the storage box.
  • the fiber directions of the prepreg can be laminated so as to cross-align at different angles, the fiber-reinforced composite having improved strength can be obtained.
  • FIG. 1 is a top side view of a manufacturing apparatus of a fiber reinforced composite according to an embodiment of the present invention.
  • Figure 2 is a side view showing an extract of the laminate in the apparatus for producing a fiber-reinforced composite material shown in FIG.
  • Figure 3 is a side view showing an extract of the lamination in the apparatus for producing a fiber-reinforced composite material shown in FIG.
  • Figure 4 is a side view showing an extract of the loading portion in the apparatus for producing a fiber-reinforced composite material shown in FIG.
  • FIG. 1 is a top side view of a manufacturing apparatus of a fiber reinforced composite according to an embodiment of the present invention.
  • the apparatus 100 for manufacturing a fiber reinforced composite includes a lamination part 110, a lamination part 120, and a mounting part 130.
  • the apparatus 100 for manufacturing a fiber reinforced composite is used to manufacture the fiber reinforced composite 10 by laminating and laminating unidirectional prepregs 1.
  • the stacking unit 110 holds the prepreg 1 and laminates the fiber direction of the prepreg 1 in the longitudinal direction or the transverse direction, or the fiber direction of the prepreg 1 faces the longitudinal direction and the transverse direction. Stacked so as to intersect.
  • the longitudinal direction means the Y-axis direction from the bottom surface
  • the transverse direction means the X-axis direction from the bottom surface.
  • the prepreg (1) can be obtained by impregnating a liquid resin in the reinforcing fibers of the fabric form and then drying or semi-curing, it may be made in a sheet shape. In this case, in order to have high physical properties, it is preferable to use continuous fibers as reinforcing fibers.
  • the lamination part 120 includes a heating member 121, a pressing member 122, and a cooling member 123.
  • the heating member 121 receives the stacked prepregs 1 from the stacking unit 110 and heats the stacked prepregs 1 to melt the prepregs 1.
  • the heating member 121 may be made of a heating element, it is preferable to apply heat above the melting point of the prepreg (1).
  • the heating member 121 preferably heats the prepregs 1 to a temperature of 220 ⁇ 240 °C. This is because when the heating temperature of the prepregs 1 is less than 220 ° C., there is a fear that sufficient preheating may not be performed and thus bonding may not be performed smoothly. On the contrary, when the heating temperature of the prepregs 1 exceeds 240 ° C, the resin of the prepreg 1 may be overheated and carbonized, or the orientation of the fibers may be disturbed. As the heat more than the melting point is transferred to the prepregs 1 by the heating member 121, the stacked prepregs 1 are in a molten state.
  • the pressing member 122 presses the prepregs 1 melted by the heating member 121 to form the fiber-reinforced composite 10.
  • the pressing member 122 may be formed of a pair of rubber rolls spaced apart in the vertical direction in order to prevent damage to the prepreg 1 during pressing.
  • the pressing member 122 is preferable to press the molten prepreg (1) to the size of 8 ⁇ 10bar. This is because the adhesive force of the prepregs 1 may drop when the magnitude of the pressing force is less than 8 bar, and the resin of the prepreg 1 may flow out to the outside when the pressing force exceeds 8 bar. As the prepreg 1 melted by the pressing member 122 is pressed, the stacked prepregs 1 are compressed and molded into one fiber-reinforced composite 10.
  • the cooling member 123 cures the fiber-reinforced composite material 10 formed on the pressing member 122.
  • the cooling member 123 may be formed in various forms such as a spray nozzle for spraying the cooling water in a spray method, an air blower for spraying air, and a roller supplied with cooling water therein.
  • Cooling member 123 is preferably to harden the laminated fiber-reinforced composite material 10 below the melting point. More specifically, it is preferable that the cooling member 123 cools the fiber reinforced composite material 10 at a temperature of 10 to 15 ° C. This is because when the cooling temperature of the fiber-reinforced composite material 10 exceeds 15 ° C., sufficient cooling may not be performed, and peeling may occur when laminating.
  • the loading unit 130 receives the fiber reinforced composite material 10 from the lamination part 120, and grips the fiber reinforced composite material 10 to be loaded in a storage box. As such, the fiber-reinforced composite material 10 is formed to be automatically loaded in the storage box through the stacking unit 130, thereby reducing the work manpower.
  • the manufacturing apparatus 100 of the fiber reinforced composite material can be laminated so that the fiber directions of the prepreg 1 are arranged at different angles, so that the fiber reinforced composite material 10 with improved strength can be obtained. do.
  • FIG. 2 is a side view showing an extract of a laminate in the apparatus for manufacturing the fiber reinforced composite shown in FIG. 1.
  • the configuration and operation of the stacking unit 110 will be described with reference to FIGS. 1 and 2 as follows.
  • the stacking unit 110 includes a stacking table 111, a stacking table 112, a first conveyor 113, a stacking member 114, and a first gripper ( 115).
  • the prepregs 1 are stacked on the stacking table 111.
  • the prepregs 1 may be stacked on the stacking table 111 through the stacking member 114, which will be described later.
  • the prepregs 1 are stacked on an upper portion of the stacking table 112, and may be disposed on both sides of the stacking table 111. At this time, the prepreg 1 in which the fiber direction is disposed only in the longitudinal direction is loaded on the stacking table 112 disposed on one side of the stacking table, and the fiber direction is transverse on the stacking table 112 disposed on the other side of the stacking table. The prepregs 1 arranged only in the direction can be loaded.
  • the first conveyor 113 transfers the prepregs 1 stacked on the stacking table 111 to the lamination unit 120, and is disposed side by side with the stacking table 111 on one side of the stacking table 111. Can be.
  • the stacking member 114 holds the prepreg 1 on the stacking table 112 and stacks the prepreg 1 on the stacking table 111 such that the fiber direction of the prepreg 1 faces in the longitudinal or transverse direction. Laminate so that the fiber direction of 1) crosses the longitudinal direction and the transverse direction.
  • the stacking member 114 may be formed to be movable in the longitudinal direction and the vertical direction in order to grip the prepreg 1 on the stacking table 112 to move on the stacking table 111.
  • the stacking member 114 may be formed in a pneumatic manner to hold the prepreg (1).
  • the laminated member 114 is formed in the pneumatic manner, when compressed air is introduced into the laminated member 114, one prepreg 1 can be gripped by pressure, and one prepreg 1 After moving to the stacking table 111 in the gripped state, the compressed air inside the stacking member 114 may flow out to prepreg 1 to be lowered to stack the prepregs 1 on the stacking table 111. It becomes possible.
  • the first gripper 115 grips the prepregs 1 stacked on the stacking table 111 and moves them onto the first conveyor 113.
  • the first gripper 115 may be formed to be movable in the transverse direction and the vertical direction in order to move the prepregs 1 stacked on the stacking table 111 to the first conveyor 113.
  • the first gripper 115 is formed in the form of tongs. That is, when the upper and lower portions of the prepreg 1 are gripped from the side by the first gripper 115 in the form of tongs and then moved laterally, all of the prepregs 1 stacked on the stacking table 111 are first moved. It can be moved to the conveyor 113.
  • the stacking table 111, the stacking table 112, the stacking member 114, and the first gripper 115 are formed in pairs with the first conveyor 113 interposed therebetween. Correspondingly arranged.
  • FIG. 3 is a side view showing an extract of the lamination in the apparatus for producing a fiber-reinforced composite material shown in FIG.
  • the configuration and operation of the lamination unit 120 will be described with reference to FIGS. 1 and 3 as follows.
  • the lamination part 120 may further include a first transfer member 124 and a second transfer member 125.
  • the first conveying member 124 is a first driving roller 124a and the first driven roller 124b which are spaced apart from the left and right, respectively, and are connected to the outer circumferential surfaces of the first driving roller 124a and the first driven roller 124b.
  • One belt 124c is provided.
  • the second conveying member 125 is a second drive roller 125a and a second driven roller 125b, and a second drive, spaced apart from each other below the first driving roller 124a and the first driven roller 124b, respectively.
  • a second belt 125c connected to the outer circumferential surface of the roller 125a and the second driven roller 125b is provided.
  • the first and second driving rollers 124a and 125a are driven, the first and second driven rollers 124a and 124b rotate, and the first and second driving rollers 124a and 125a and the first and second driving rollers 124a and 125a rotate.
  • the first and second belts 124c and 125c connected to the outer circumferential surfaces of the driven rollers 124a and 124b also rotate together. Therefore, when the prepregs 1 stacked between the first and second belts 124c and 125c are supplied through the first conveyor 113, the laminated prepregs 1 are transferred without a separate transfer means and the lamination process is performed. You can do it.
  • first and second transfer members 124 and 125 may be disposed in the discharge part of the first conveyor 113 in order to automatically receive the prepregs 1 passing through the first conveyor 113.
  • the lamination part 120 is disposed in the chamber 126 so that foreign matter does not flow into the lamination during lamination.
  • Figure 4 is a side view showing an extract of the loading portion in the apparatus for producing a fiber-reinforced composite material shown in FIG. Referring to Figures 1 and 4 the configuration and operation of the loading unit 130 as follows.
  • the stacking unit 130 includes a second conveyor 131 and a second gripper 132.
  • the second conveyor 131 serves to transport the fibre-reinforced composite material 10 formed by the lamination part 120 to the storage box. To this end, the second conveyor 131 is preferably disposed in the discharge portion of the stacking portion (120).
  • the second gripper 132 grips the fiber-reinforced composite material 10 transported on the second conveyor 131 and serves to load the storage box.
  • the second gripper 132 may be formed to be movable in the transverse direction and up and down directions to grip the fiber reinforced composite material 10 transferred on the second conveyor 131 to move to the loading unit 130.
  • the second gripper 132 may be made of a pneumatic method or in the form of tongs.
  • the pressing member 122 may be formed to be adjustable in the vertical direction. At this time, the pressing member 122 is disposed inside the first and second belts 124c and 125c of the first and second conveying members 124 and 125, respectively, and the first and the second belts 124c and 125c. It may be formed to abut. Accordingly, it is preferable that the pair of pressing members 122 move in different directions, or only one pressing member 122 move in the vertical direction.
  • the gap of the pressure member 122 can be adjusted according to the thickness of the stacked prepregs 1, so that sufficient lamination can be performed. . That is, the orientation of the fiber may be disturbed or the resin overflows according to the magnitude of the pressing force.
  • the gap is formed to adjust the gap of the pressing member 122 according to the thickness of the prepreg 1 laminated as described above, the lamination is performed upon lamination. It is possible to always apply a pressing force of a predetermined size to the prepreg 1 is obtained to obtain the fiber-reinforced composite material 10 having the desired physical properties.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un appareil de fabrication d'un composite renforcé par des fibres, qui sert à fabriquer un composite renforcé par des fibres par stratification et collage de préimprégnés unidirectionnels, comprenant une partie de stratification, une partie de collage et une partie de chargement. La partie de stratification contient des préimprégnés et stratifie les préimprégnés pour permettre de diriger les fibres des préimprégnés dans la direction longitudinale ou latérale ou stratifie les préimprégnés pour permettre le croisement mutuel des fibres des préimprégnés dans les directions longitudinale et latérale. La partie de collage comprend : un élément chauffant qui reçoit les préimprégnés stratifiés de la partie de stratification et applique de la chaleur aux préimprégnés stratifiés pour faire fondre les préimprégnés; et un élément de presse qui presse les préimprégnés fondus par l'élément chauffant pour mouler un composite renforcé par des fibres; et un élément de refroidissement qui durcit le composite renforcé par des fibres moulé par l'élément de presse. La partie de chargement reçoit un composite renforcé de fibres depuis la partie de collage et charge le composite renforcé par fibres dans une boîte de stockage.
PCT/KR2016/014414 2016-02-24 2016-12-09 Appareil de fabrication d'un composite renforcé par des fibres WO2017146362A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0021749 2016-02-24
KR1020160021749A KR20170099548A (ko) 2016-02-24 2016-02-24 섬유강화 복합재의 제조장치

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WO2017146362A1 true WO2017146362A1 (fr) 2017-08-31

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WO (1) WO2017146362A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102253107B1 (ko) * 2017-09-25 2021-05-14 (주)엘지하우시스 섬유 강화 플라스틱 시트, 이의 제조방법 및 이의 제조장치
KR102191030B1 (ko) * 2019-12-02 2020-12-14 주식회사 신영 열가소성 복합재 성형 시스템

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005297513A (ja) * 2004-04-16 2005-10-27 Fuji Heavy Ind Ltd 自動積層装置
JP2006218720A (ja) * 2005-02-10 2006-08-24 Murata Mach Ltd プリプレグシートの自動積層装置
JP2015051629A (ja) * 2013-08-06 2015-03-19 三菱レイヨン株式会社 積層基材の製造方法、及び積層基材
JP2015166130A (ja) * 2014-03-03 2015-09-24 三菱レイヨン株式会社 繊維強化プラスチックの製造方法
KR20150111980A (ko) * 2013-01-30 2015-10-06 알티엘 머티리얼즈 엘티디 복수의 구성 요소로부터 복합 재료 제품을 제조하기 위한 장치 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005297513A (ja) * 2004-04-16 2005-10-27 Fuji Heavy Ind Ltd 自動積層装置
JP2006218720A (ja) * 2005-02-10 2006-08-24 Murata Mach Ltd プリプレグシートの自動積層装置
KR20150111980A (ko) * 2013-01-30 2015-10-06 알티엘 머티리얼즈 엘티디 복수의 구성 요소로부터 복합 재료 제품을 제조하기 위한 장치 및 방법
JP2015051629A (ja) * 2013-08-06 2015-03-19 三菱レイヨン株式会社 積層基材の製造方法、及び積層基材
JP2015166130A (ja) * 2014-03-03 2015-09-24 三菱レイヨン株式会社 繊維強化プラスチックの製造方法

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