WO2017195710A1 - Structure de fibres de renfort et procédé de production associé - Google Patents

Structure de fibres de renfort et procédé de production associé Download PDF

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Publication number
WO2017195710A1
WO2017195710A1 PCT/JP2017/017285 JP2017017285W WO2017195710A1 WO 2017195710 A1 WO2017195710 A1 WO 2017195710A1 JP 2017017285 W JP2017017285 W JP 2017017285W WO 2017195710 A1 WO2017195710 A1 WO 2017195710A1
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WO
WIPO (PCT)
Prior art keywords
bag
fiber
core member
reinforcing fiber
yarn
Prior art date
Application number
PCT/JP2017/017285
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English (en)
Japanese (ja)
Inventor
善光 中川
Original Assignee
中川産業株式会社
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.)
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Publication date
Application filed by 中川産業株式会社 filed Critical 中川産業株式会社
Priority to CN201780028694.1A priority Critical patent/CN109153221B/zh
Publication of WO2017195710A1 publication Critical patent/WO2017195710A1/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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/10—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer reinforced with filaments
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/16—Yarns or threads made from mineral substances
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D3/00—Woven fabrics characterised by their shape
    • D03D3/02—Tubular fabrics

Definitions

  • the present invention relates to a reinforced fiber structure in which a metal member, a fiber reinforced plastic member, a fiber reinforced ceramic member, a fiber reinforced glass member, or the like is pressed, welded, or fired on a reinforced fiber and processed into a predetermined thickness or a predetermined shape. It relates to the manufacturing method.
  • Carbon fiber is lightweight, has high strength, and has a high elastic modulus, and is used as a base material for aircraft structural members, automotive parts, prepregs for sports and leisure goods, and laminated materials.
  • Carbon fiber is a fiber made by carbonizing acrylic fiber or pitch (by-products such as petroleum, coal, coal tar, etc.) at a high temperature. Reinforcing fibers using acrylic fibers are classified as PAN (Polyacrylonitrile), and reinforcing fibers using pitch are classified as pitch (PITCH). Reinforcing fibers are rarely used as a single material, and are mainly used as a composite material combined with a base material such as a synthetic resin.
  • reinforced (fiber) plastics examples include reinforced (fiber) plastics and reinforced fiber reinforced carbon composite materials.
  • Reinforced (fiber) plastic is a plastic product formed by adding glass fiber, nylon, vinylon, etc. as a reinforcing material. It is resistant to impact and is widely used in automobile bodies, boats, airplane hulls, building materials, helmets, fishing gear, etc. ing.
  • Patent Documents 1 to 4 have already been disclosed as composite materials for reinforcing fibers.
  • Patent Document 1 discloses a backrest for an aircraft seat composed of a sandwich plate having a carbon fiber reinforced composite material on both surfaces of a resin non-combustible or flame retardant honeycomb core.
  • Patent Document 2 states that “(Claim 1) is a rod-shaped or cylindrical preform material that is placed in a mold before casting and cast with a matrix metal to form a fiber-reinforced metal composite material.
  • An inner layer composed of reinforcing fibers in which the fiber axes are aligned in a direction coinciding with the axial direction, and a tubular braid or tubular woven body of reinforcing fibers covering the inner layer (hereinafter, both are collectively referred to as a tubular woven / knitted fabric) And a coating material comprising a plurality of layers alternately stacked with each other), and (claim 2) the outermost layer is a coating layer.
  • Preform material. (Claim 3)
  • the reinforcing fiber constituting the inner layer is a reinforcing fiber
  • the tubular woven / knitted fabric constituting the covering layer is a bag knitted or woven knitted with a fiber crossing angle of 10 to 45 degrees.
  • a tubular metal alloy and an FRP prepreg are bonded to each other to form a lightweight and strong structure corresponding to tensile stress and compressive stress (problem).
  • the outer peripheral surface of the metal part 60 has a roughness on the order of microns by chemical etching, and the surface is a partition-like convex part having a height or depth and width of 10 to 500 nm and a length of 10 nm or more by electron microscope observation, Alternatively, an extremely fine concavo-convex shape in which groove-like concave portions are present on the entire surface with a period of 10 to several hundred nm is formed, and the surface is a thin layer 21 of a metal oxide or a metal phosphate, and this is a tubular fiber-reinforced plastic material. 61 is bonded by an epoxy resin agent 62 to form a tubular composite. ”The contents are described.
  • Patent Document 4 provides a technology excellent in practicality and productivity that can easily obtain a long slanted yarn fiber fabric used for a very large FRP product (problem).
  • a method for manufacturing a fiber fabric for FRP in which a mandrel 1 that is movable in the axial direction is inserted into a braider 2 having an oblique yarn supply unit 3, and the oblique yarn supply unit 3 is an outer peripheral surface of the mandrel 1.
  • the oblique thread S is supplied to the mandrel 1 at a predetermined angle ⁇ ⁇ with respect to the axis of the mandrel 1.
  • a plurality of oblique threads S are supplied from the oblique thread supply unit 3 to A tubular fabric 4 is woven on the outer peripheral surface, and then the tubular fabric 4 is cut in the axial direction of the mandrel 1 and the long oblique yarn fiber fabric 5 in which the plurality of oblique yarns S are disposed. "Manufacturing" is described.
  • the carbon fiber has a specific gravity of about 1.8, and is very light, about 1/4 compared with 7.8 of iron, and lighter than 2.7 of aluminum. is there.
  • the specific strength (value obtained by dividing tensile strength by specific gravity) of carbon fiber is 10 times that of iron, and the specific elasticity (value obtained by dividing tensile elastic modulus by specific gravity) is 7 times that of iron. For this reason, it is used as a prepreg for aircraft structural members and automotive parts, and as a base material for laminated materials. On the other hand, it is considered to be weak in bending strength and is not easily bent.
  • Patent Documents 2 to 4 are composite materials of reinforcing fibers that are molded into a predetermined shape and mainly stronger (although it is a member that is strong in bending strength).
  • Patent Document 2 the one constituting the reinforced metal composite material (Patent Document 2), the one in which the tubular fiber-reinforced plastic material 61 is adhered by the epoxy resin agent 62 (Patent Document 3), and the braider 2 having the oblique yarn supply unit 3
  • a mandrel 1 that can move in the axial direction is inserted (Patent Document 4), and its manufacturing method is difficult.
  • an object of the present invention is to efficiently manufacture a reinforcing fiber structure in which a core member and a reinforcing fiber are integrally fused and can be efficiently manufactured. If bending is performed, the bending strength is enhanced and the decomposition process is easy. An object of the present invention is to provide a reinforcing fiber structure and a method for manufacturing the same.
  • the bag-like portion having high tensile resistance is provided in the circumferential direction of the ring by bag weaving using reinforcing fibers on which heat-sealing yarns are arranged, and a core member is inserted into the bag-like portion and crimped.
  • the outer peripheral surface of the core member is integrally reinforced by the covering of the bag-like portion, which is covered by welding or firing.
  • bag weaving is one type of double weaving, and is a weaving method in which both ends of a cloth are joined to the front and back to form a tube (annular), and when cut, it is woven into a bag. By making it into a bag shape, thickness and elasticity are achieved.
  • the bag-like portion having a high tensile strength is provided in the circumferential direction of the annular ring by bag weaving using a reinforcing fiber on which two heat-bonding yarns are arranged.
  • the outer peripheral surface of the core member is integrated with the covering of the bag-like portion by being covered by pressure bonding, welding, or firing. It is a reinforced fiber structure that is reinforced.
  • the present invention also provides a bag-like portion woven seamlessly by bag weaving using a reinforcing fiber having a carbon fiber core yarn covered with a heat-sealing yarn, and is resistant to the circumferential direction of the ring.
  • the bag-like portion having a high tension is provided, or a bag weaving using a reinforcing fiber made of a heat-sealed yarn entangled in a linearly-arranged reinforcing fiber with a high tensile strength in the circumferential direction of the ring
  • the bag-like portion is provided, the core member is inserted into the bag-like portion and covered by pressure bonding, welding, or firing, and the outer peripheral surface of the core member is integrally strengthened by the covering of the bag-like portion. It is characterized by.
  • a seamless bag-like portion is provided by bag weaving using a yarn of reinforcing fiber provided with a heat-sealing yarn, and has a high tensile strength in the circumferential direction of the ring (high tensile strength). Since the bag-like portion is provided, the core member and the reinforcing fiber are integrated with each other in order to melt and adhere to the core member at the time of pressure bonding, welding or firing (the heat-bonding yarn of the reinforcing fiber is integrated). It is possible to easily manufacture a reinforcing fiber structure having a predetermined size and thickness that melts and fuses with the core member.
  • the bag-shaped portion having a high tensile strength (high tensile strength) is provided in the circumferential direction of the ring in a bag weaving using a reinforcing fiber made of a heat-sealed yarn entangled in a linear shape with a reinforcing fiber arranged linearly. Therefore, the heat-sealed yarn is melted by thermocompression bonding or the like and fused and bonded to the core member, so that a reinforcing fiber structure in which the core member and the reinforcing fiber are integrated can be efficiently manufactured.
  • a predetermined thickness and hardness cannot be obtained unless a plurality of layers are overlapped.
  • the conventional reinforcing fiber is said to have low bending strength.
  • a reinforcing fiber structure having a predetermined thickness and a high bending strength can be easily manufactured by using a fiber having a thickness greater than that of the reinforcing fiber, and the outer peripheral surface of the core member. Can be manufactured by covering the outer surface of the core member with the specific strength and / or specific elasticity of the carbon fiber of the bag-like portion.
  • the core member is easily caught by reinforcing fibers (carbon fibers) arranged in a straight line by forming irregularities or damaging the surface of the core member.
  • the reinforcing fibers (carbon fibers) arranged in a straight line are caught between the irregularities and damages on the surface of the core member, and the core member moves during pressure bonding, welding, or firing.
  • the reinforcing fibers that are in close contact with the outer periphery of the core member can be easily manufactured.
  • the core member is a metal member, a fiber reinforced plastic member, a fiber reinforced ceramic member, or a fiber reinforced glass member, and the hardness of these plate-like members is lower than the hardness of the reinforced fiber.
  • the hardness of the said core member is low, since the hardness of the said reinforced fiber is stronger, the point with the low intensity
  • a metal member is used as the core member, it can be used for a conductive structure (circuit board or the like).
  • a bag-like portion is formed by bag-woven (or bag-knitting) the reinforcing fiber, and a metal member, a fiber-reinforced plastic member, a fiber-reinforced ceramic member, or a core member is formed in the bag-like portion, or A fiber-reinforced glass member is disposed, bent into a predetermined shape, and coated by pressure bonding, welding, or firing.
  • the core member can be prevented from moving during crimping, welding, or firing, and the reinforcing fibers that are in close contact with the outer periphery of the core member can be efficiently produced. That is, if baking or the like is performed with the plate-shaped core member placed in the bag-shaped portion, the number of processes can be reduced, and the bag-shaped portion can cover the core member along the core member. Is improved.
  • the core member is a metal member, a fiber reinforced plastic member, a fiber reinforced ceramic member, or a fiber reinforced glass member. It is preferable that the strength of the coating is increased by firing. According to the present invention, the strength of the coating can be increased by making these surfaces uneven and corrugated and pressing, welding or firing with the reinforcing fibers. By providing a plurality of bag-like portions formed by bag weaving (or bag knitting) on the reinforcing fiber, the fused state of the uneven surfaces of each other becomes stronger.
  • the core yarn of the reinforcing fiber is a PAN-based or pitch-based carbon fiber using an acrylic fiber, the heat-sealed yarn is a covered fiber, and the core member is made of metal.
  • the hardness may be lower than that of the reinforced fiber.
  • the metal member or the reinforced plastic member which is the core member, has a melting point higher than that of the reinforced fiber, so that only the reinforcing fiber is crimped, welded, or baked, so that the shape of the metal member, the reinforced plastic member, etc.
  • the core member and the reinforcing fiber are integrally formed with a reinforcing fiber structure having a predetermined size and thickness so that the heat-sealing yarn melts and adheres to and fuses with the core member during pressure bonding, welding, or firing.
  • the product can be manufactured efficiently, has a strong bending strength, and has a high durability.
  • aluminum is highly malleable and relatively low in strength, but the carbon fibers crimped around it have both excellent specific strength and specific elasticity. It is a high-strength material, resulting in a reinforced fiber structure that supplements the strength of aluminum.
  • L-shaped steel, H-shaped steel or U-shaped steel used as a building structure and can be applied as a hull structure (outer wall or inner wall) such as a car body or a ship or an airplane. It is. Further, when a metal member is selected as the core member, it can also be applied as a structure that conducts electricity. Moreover, when discarding after use, it is also possible to separate and reuse metal members and fiber reinforced plastic members.
  • problems such as air entering between the carbon fibers and the carbon fibers, which have been caused by the conventional method of laminating and bonding a plurality of carbon fibers, are less likely to occur, and the manufacturing process is simplified. The time is shortened.
  • FIG. 1 It is a figure which shows the reinforced fiber structure of the 3rd Embodiment of this invention, (a) is sectional drawing which accommodated the metal plate in the bag-shaped part, (b) is a cross section which shows the state crimped
  • FIGS. 1A and 1B are perspective views of a reinforcing fiber having a bag-like portion 3a in which a heat-sealing yarn having a reinforcing fiber as a core yarn and covering the heat-sealing yarn is woven.
  • a reinforcing fiber 3 in which a heat-bonding yarn (nylon) is covered is used as the reinforcing fiber core yarn (carbon fiber), and the bag-like portion 3a is formed by bag weaving. Is formed.
  • the size of the bag-like portion 3a is such a size that a metal member (aluminum or aluminum alloy) as the core member 2 can enter.
  • a core member 2 bent into an L shape using two metal members 3 such as an aluminum plate is placed in a bag-like portion 3a (FIGS. 2A and 2B).
  • the thickness Y2 of the core member 2 is thicker than the thickness Y1 of the reinforcing fiber (carbon fiber) 2 and is a reinforcing fiber member (FIGS. 3A and 3B).
  • the two core members may be baked after being put in the bag-like members 3a and 3a, and may be bent into an L shape from substantially the center 3b (FIG. 4 (a) ( b)). And the center connection part 3b may be baked and others may be welded.
  • the left and right end portions 3c of the bag-like portion 3a of the present embodiment are open, only one side may be opened and the core member 2 may be inserted from the opening 3c.
  • the reinforcing fiber 3 may be one in which the core member 2 is joined between the front and back surfaces, that is, as long as it is covered.
  • the length of the metal plate 3 is longer than that of the bag-like portion 2, but if the length of the metal member 3 is shorter than that of the bag-like portion 3a, the entire metal member enters.
  • a plurality of bag-like portions 3a are provided, but one may be provided, and a plurality of metal members 3 may be disposed here.
  • bag weaving is one type of double weaving, and is a weaving method in which both ends of a cloth are joined to the front and back to form a tube (annular), and when cut, it is woven into a bag. By making it into a bag shape, thickness and elasticity are achieved. With bag weaving, the fabric weaves in the shape of a tube (ring or cylinder). The result is a weaving process in which two pieces are joined together in the top and bottom, and a seamless fabric with high tensile strength in the circumferential direction of the ring is obtained.
  • Bag knitting is a method in which both sides (front and back) are knitted into a bag shape, giving it a thickness and elasticity, as well as a soft feeling. Bag weaving (or bag weaving) may be used, but the stitches become finer, air can hardly enter the bag-like portion 3a, and bag weaving with low stretchability is superior in thermocompression bonding. The movement of the aluminum or aluminum alloy 2 is prevented.
  • Weft knitting is a knitted fabric with continuous stitches in the horizontal direction.
  • Warp knitting is a knitting method that creates continuous stitches in the vertical direction. There is also a close elasticity and can make a stable knitted fabric.
  • the metal member (core member) 2 is stored in the bag-shaped member 3a made of one reinforcing fiber even if the shape of the core member 2 is complicated as shown in FIG. And can be coated along the metal member (core member) 2 having the shape.
  • the reinforcing fiber 3 is made of carbon fiber, carbonized fiber, polyamide fiber, and glass fiber.
  • a carbon fiber a PAN-based or pitch-based reinforcing fiber or glass fiber can be used.
  • a fiber reinforced plastic is a thermoplastic resin or thermosetting plastic composite reinforced with continuous or discontinuous reinforcing fibers. In this specification, what was processed into a predetermined shape (including bending) is referred to as a fiber reinforced plastic member, a fiber reinforced ceramic member, or a fiber reinforced glass member.
  • plastic used for the reinforced plastic member examples include thermosetting resins such as epoxy resins, polyester resins, vinyl ester resins, and phenol resins, and thermoplastic resins such as polyamide resins and polyurethane resins. Further, the fiber reinforced plastic may be combined with a metal containing titanium.
  • Fiber-reinforced ceramics are reinforced ceramics that have been made tough by mixing ceramic fibers with the brittle nature of ceramics.
  • High-temperature high-strength ceramics alumina, silicon carbide, silicon nitride, carbon, etc.
  • carbon fibers, silicon carbide fibers, alumina fibers, etc. are used for the fibers as the reinforcing material.
  • a surface treatment layer is formed by performing a surface treatment for improving various properties on a fiber surface in a fiber preform reinforced with ceramic whisker or the like.
  • a ceramic material may be formed inside the fabric by impregnation / firing of a ceramic polymer, a CVD method, or the like.
  • a thermosetting resin is poured and heated to be hardened.
  • the glass material may be melted by heating, and the glass material may be soaked into the fabric by pressurization.
  • the core member 2 is a metal member, plate-like aluminum or aluminum alloy is used, but a layer is formed so as not to react by kneading the metal material such as aluminum with the ceramic fiber or the carbon fiber / carbonized fiber. You can create it.
  • the first embodiment When the first embodiment is used as an L-shaped steel or an H-shaped steel used in a building structure, it uses two metal members 2 such as aluminum plates to form an L shape or an H shape. After placement, crimping and welding (or firing) are performed (FIGS. 6A and 6B).
  • the core member 2 can easily manufacture building structures such as L-shaped steel, H-shaped steel, and anchors by using reinforcing fibers having a thickness higher than that of the reinforcing fibers (carbon fibers) 2 and higher hardness. If aluminum is used as the core member 2 or the core member is thinned, the weight can be reduced, but the surface is covered with the carbon fiber 3, and therefore the bending strength is strong.
  • the U-shapes can be combined and stored in one bag-shaped portion 3a (FIGS. 8A and 8B).
  • the metal member (core member) 2 is accommodated in the bag-shaped member 3a by one reinforcement fiber by forming the internal space part 7 also in the complicated shape of an unevenness
  • the bag-like portion 3a could be confirmed in the manufactured product even after pressure bonding, welding, or firing.
  • the left and right end portions are not aligned (a tuft) 3c, which makes it easy to confirm the position of the end portion (opening portion) 3c.
  • the present invention is widely used in high pressure vessels, bridges, buildings, etc. because it has a high yield ratio and good weldability as a tempered high strength steel by quenching and annealing.
  • thermocompression bonding laser welding (thermocompression using laser light), high-frequency welding (thermocompression using ultrasonic waves), hot plate welding, or vibration welding may be used.
  • thermocompression bondings are performed by a method of performing pressure bonding using a mold in addition to pressure bonding by a press machine.
  • FIG. 5 (b) and 5 (c) are cross-sectional views of a bag-like portion in which the reinforcing fibers are woven in a twill or satin weave.
  • Fig.5 (a) is a figure explaining plain weave, twill weave, and satin weave.
  • the reinforcing fiber 3 is a bag weave of twill or satin weave.
  • the structure is durable and resistant to external force and damage, can prevent the core member 2 from moving, and is less prone to problems such as air entering the inner side of the bag-like portion 3a (the crimping surface of the core member).
  • the front and back surfaces of the core member 2 are roughened or corrugated (or by damaging the surface), through holes are formed in the core member 2, and the front and back surfaces are reinforced through the through holes. You may connect a fiber.
  • the reinforcing fiber is a plain weave
  • the warp and weft are organized one by one, so the number of warps is the same as the weft, but the twill weave and satin weave can have a higher density than the plain weave.
  • the number of warp yarns can be increased by about 2.5 times the number of weft yarns, and the warp density can be further increased as compared with the twill weave structure.
  • the plain weave is a structure in which warp and weft yarns are alternately raised and submerged one by one (FIG. 5 (a)).
  • the twill weave does not float up and down alternately like a plain weave, and the twill lines are displayed diagonally, and the twill lines are displayed. In many cases, the table is usually going to the right. When the thickness and density of the yarn 3d are the same, the twill line is often 45 ° (appears on the fabric surface as a diagonal line from the lower right to the upper left in the figure).
  • Satin weave (satin weave) is composed of 5 or more warps and wefts. The crossing points are not adjacent to each other at regular intervals. The number of warps and wefts is the same.
  • . 5 harness satin is the simplest organization of satin weaving, and there are two types of crossing points, one with three crossings and the other with two crossings, except for the front and back relationship. The arrangement of the crossing points is good and the satin lines are inconspicuous, so a beautiful fabric can be made (FIG. 5 (a)).
  • As the satin weave in addition to the five sheets of lions, eight sheets, ten pieces, twelve pieces, twelve pieces, twenty-four pieces, and the like are not limited to these. For example, in the case of warp five satin, the warp intersects with the weft once and becomes a woven fabric in which the warp floats on four wefts.
  • the warp will be a fabric that floats on seven wefts.
  • the yarn floats for a long time, it becomes possible to arrange the yarns closely and there is no gap between the yarns. This makes the ground thicker, softer and less wrinkled, flat and smooth and glossy.
  • the fiber density can be changed on the front and back of the reinforcing fiber 3, or the fiber density outside the bag-like portion 3a and the fiber density inside the bag-like portion can be changed.
  • the reinforcing fibers are The structure is strong and durable against physical external force and damage from the outside.
  • FIGS. 10 (a) to 10 (d) show a bag-like portion 3a in which a heat-sealing yarn 3a covered with a heat-sealing yarn using a reinforcing fiber as a core yarn is woven. It is a perspective view of the reinforced fiber which has.
  • the bag-like portions 3a are formed at a predetermined interval between the reinforcing fibers 3, and the reinforcing fibers 3 are bent at a portion (connecting portion) 3b other than the bag-like portion 3a.
  • the two metal plates 2 are used to be put into the bag-like portions 3a, respectively, and the bending process is performed using the portion 3b between the bag-like portion 3a and the bag-like portion 3a.
  • the bending process is performed using the portion 3b between the bag-like portion 3a and the bag-like portion 3a.
  • Two or more sheets may be used, and as shown in FIGS. 12A and 12B, the five core members 2 can be housed in the bag-shaped portion 3a and bent at a predetermined angle.
  • the metal member 2 is not arrange
  • the metal member 2 is not disposed in the intermediate portion 3b, if the front and back are joined by bag weaving or (or bag knitting), these front and back are welded by thermocompression bonding or firing.
  • reinforcing fibers may be further stacked on the intermediate portion 3b, or a thin metal member 2 may be disposed (FIG. 10D). Further, reinforcing reinforcing fibers are interposed, the binder is used only for the intermediate portion 3b to reinforce, the intermediate portion is bent by baking, and then subjected to thermocompression bonding. It may be processed.
  • a rotation mechanism (shaft 2j) is arranged at the tip of the core member 2, or as shown in FIGS. 14 (a) and 14 (b).
  • the rotation mechanism (the shaft 2j and the bearing 2i) can be rotated at a predetermined angle.
  • a thin portion 2Fa is provided on the core member 2F, and this thin portion 2Fa is provided. It can be bent by firing using (FIG. 11B). Although it may be bent after being bent into an L shape with the plate-shaped core member 2 in the bag-shaped portion 3a (FIG.
  • the plate-shaped core member 2 is inserted into the bag-shaped portion 3a.
  • the number of steps is reduced, and the bag-like portion 3 a covers the core member 2 along the core member 2.
  • a predetermined thickness such as a heating press may be formed first, and only the curved portion 2Fa may be fired and processed into a predetermined curved / bent curved state. In any case, since the bag-like portion 3a changes following these bending processes, a good covering state along the bending process state can be obtained.
  • a pressure molding device, a compression molding device, a vacuum pressure molding device, or the like provided with a heating means can be used.
  • a press machine such as heat welding, a heat press or a heated roll press can be used.
  • the heating condition is preferably a temperature lower than the melting point of the metal member.
  • after thermocompression bonding at a relatively low temperature for example, it may be baked and bent at a place to be bent.
  • preheating may be performed at a temperature at which the binder component melts, followed by main heating, and the partial firing (bending portion or bending for adjustment) may be performed.
  • a binder (binder) is used for welding by pressing or the like.
  • polyester, polyvinyl alcohol, polyacrylic acid, polyurethane, melamine resin, phenol resin, epoxy resin, or the like can be used as the binder.
  • the hardness of the reinforcing fiber 3 may be made higher than the hardness of the core member 2 by applying these binders and heat-welding them.
  • the core member 2 is a fiber reinforced plastic member or the like containing reinforcing fibers
  • the core yarn of the reinforcing fiber is a PAN-based or pitch-based carbon fiber using acrylic fiber, and a fiber-reinforced plastic member or the like including the reinforcing fiber is used.
  • the heat-fusible yarn 3a is more easily melted on the surface of the core member 2, and the adhesion (fused state) is improved.
  • FIG. 15 is an enlarged perspective view of the fabric structure.
  • the woven fabric structure according to the present embodiment is a reinforcing fiber including warps of one or more reinforcing fibers 3d arranged substantially parallel to each other and one or more weft yarns of one or more heat fusion yarns arranged substantially parallel to each other. is there.
  • the warp yarns of the reinforcing fibers 3d and the weft yarns of the heat fusion yarn 4 are arranged so as to cross each other (approximately 90 ° angle).
  • the warp yarns of the one or more reinforcing fibers 3d and the weft yarns of the one or more reinforcing fibers 3d are woven together, for example, a plain weave, twill weave, satin weave, or a combination thereof.
  • FIG. 16 is a side view of the fabric structure of FIG. It is the figure which expanded the textile structure of the bag-shaped part which carried out the bag sack using the weft yarn 4 as the weft and the reinforcing fiber as the warp, and was seen from the side.
  • the weft yarn of the heat-sealing yarn 4 is thinner than the warp yarn of the reinforcing fiber 3d, the weft yarn of the heat-sealing yarn 4 undulates, and the warp portion of the substantially straight reinforcing fiber 3d is arranged in the wavy portion.
  • the fabric structure is a structure such as a plain weave in which the warp yarns of the reinforcing fibers 3d are arranged in a substantially straight line with respect to the form in which the weft yarns of the heat fusion yarn 4 are bent up and down.
  • the warp of the reinforcing fiber 3d is substantially linear, and the reinforcing fiber 3d is preferably a carbon fiber.
  • the carbon fiber is preferably a fiber bundle having a filament number of about 5000 to 15000 and a thickness of about 1000 to 10,000 dtex.
  • the reinforcing fiber may be a bundle of a plurality of reinforcing fibers.
  • the reinforcing fiber may be a combination of the carbon fiber and the heat-sealing yarn 4, and when combined, the reinforcing fiber is easily bent and the flexibility of the bag weave is improved.
  • the weft yarn of the heat-sealing yarn 4 is a thinner yarn and / or a bent yarn than the reinforcing fiber 3d, and for example, a yarn of 50 to 100 dtex is used.
  • the resin constituting the heat-bonding yarn 4 is not particularly limited as long as it is a resin that melts by heating.
  • the heating temperature is not particularly limited, and is generally 80 to 200 ° C, preferably 80 to 100 ° C.
  • As the heat-sealing yarn 4 a polyester fiber using a polyester resin and a polyamide fiber using a polyamide resin are preferable. Nylon or the like is suitable for polyamide fibers.
  • the reinforcing fiber When the woven structure is formed, the reinforcing fiber is a straight thread-like shape and does not bend. Therefore, the reinforcing fiber has a structure in which expansion and contraction does not occur with respect to tension and has a high tensile strength.
  • the fabric structure since the reinforcing fibers 3d are arranged as warps, the fabric structure has a high tensile strength in the warp direction.
  • the heat fusion yarn 4 may be a warp and the reinforcing fiber may be a weft, and a reinforcing fiber structure having high tensile strength can be formed along the direction in which the reinforcing fiber is arranged.
  • FIG. 17 is a perspective view showing the fifth embodiment, in which the fabric structure of the fourth example shown in FIG. 15 is stacked in two layers.
  • the direction in which the reinforcing fibers 3d of the upper layer fabric structure are arranged and the direction in which the reinforcing fibers 3d of the lower layer fabric structure are arranged are formed at an angle of approximately 90 ° and are closely overlapped (see FIG. 17 arrow a).
  • FIG. 18 is a side view of the fabric structure as viewed from the arrow b of FIG. 17 along the Y axis of the fabric structure superimposed on the two layers of FIG.
  • the bag-shaped portion of the bag weave is composed of two layers, and the upper layer fabric structure is the same as the fabric structure shown in FIG.
  • the lower layer fabric structure is obtained by rotating the upper layer fabric structure by an angle of 90 ° on the XY plane. That is, the warp yarn of the heat fusion yarn 4 is thinner than the weft yarn of the reinforcing fiber 3d. Is a wavy yarn of a substantially straight reinforcing fiber 3d with respect to a shape that is bent up and down in a wavy shape to form a plain weave structure.
  • the reinforcing fibers 3d of the upper layer fabric structure and the reinforcing fibers 3d of the lower layer fabric structure are arranged in layers so as not to interweave each other, the upper layer and the lower layer reinforcing fibers do not wavy and are straight. It is a shape and is a structure without bending.
  • the upper layer fabric structure and the lower layer fabric structure are coated on the core member twice in an independent state. A desired direction and strength can be provided by stacking a plurality of bag-like portions independently and covering the core member.
  • FIG. 19 shows a fabric structure in which an upper layer fabric structure and a lower layer fabric structure are integrated.
  • the weft yarn of the heat-sealing yarn 4 is thinner than the warp yarn of the reinforcing fiber 3d, and the weft yarn of the heat-sealing yarn 4 undulates in a wavy shape and is bent up and down, and is substantially linear reinforcing fiber 3d.
  • the warp yarns are arranged to form a structure such as a plain weave.
  • the warp yarn of the heat-sealing yarn 4 is thinner than the weft yarn of the reinforcing fiber 3d, and the warp yarn of the heat-sealing yarn 4 undulates up and down in a wavy shape and is bent in a substantially straight shape.
  • 3d wefts are arranged to form a structure such as a plain weave.
  • the upper layer heat fusion yarn and the lower layer heat fusion yarn are woven together to form a woven fabric structure.
  • the upper layer and lower layer reinforcing fibers do not wavy, are straight, and are integrated with a configuration with little deflection.
  • the positions of the upper layer fabric structure and the lower layer fabric structure are fixed by the heat-sealing yarn, and the two layers of the fabric structure are prevented from being integrated to cause a positional shift. Therefore, two layers of a bag-shaped part with high tensile strength (tension resistance) in the weft direction and a bag-shaped part with high tensile strength in the longitudinal direction are integrated in a pre-overlapped state, and the tensile strength in the weft direction and the warp direction is integrated. It is comprised as one high bag-like part, and becomes a reinforced fiber structure of a structure with high tensile strength in the weft direction and the warp direction.
  • both the upper layer fabric structure and the lower layer fabric structure may be integrated as a double bag-like portion having a high tensile strength in the weft direction, and both are bags having a high tensile strength in the vertical direction. It may be integrated as a double portion as a shape portion, or can be integrated and configured so that the tensile strength is increased in a desired direction.
  • the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the present invention depending on the purpose and application.
  • the insertion interval of the heat fusion yarn 4 with respect to the reinforcing fiber 3d is not particularly limited.
  • the insertion interval of the warp yarns of the thermal fusion yarn 4 may be every other warp yarn of the reinforcing fiber 3d, or every two or more warp yarns.
  • the weft insertion interval of the thermal fusion yarn 4 may be every other weft yarn of the reinforcing fiber 3d, and the insertion interval of the weft yarn of the thermal fusion yarn 4 is every two or more weft yarns of the reinforcing fiber 3d. Also good.
  • the present invention is a structural member (body or inner wall) of an automobile or a vehicle, Structural members (fuselage and inner walls) of airplanes and airships, not only these outer walls, but also inner walls and flooring, automobile and vehicle parts (seat frames, etc.), airplane / airship parts (seat frames, etc.), building materials, Widely applicable to outer wall materials.
  • a metal member is used as the core member 2, it can also be used for a conductive structure (circuit board or the like).

Abstract

Le problème décrit par l'invention consiste à permettre une production efficace d'une structure de fibres de renfort, dans laquelle un élément central et des fibres de renfort sont fusionnés et formés d'un seul tenant et à fournir une structure de fibres de renfort qui présente une résistance élevée à flexion lorsqu'elle est soumise à une flexion. La solution selon la présente invention comprend une partie de type sac au moyen d'un tissage creux à l'aide de fibres de renfort (3) comprenant des filaments de fibres de renfort (fibre de carbone) et un fil thermofusible (4) et est formée par recouvrement d'un élément central (2) avec ladite partie de type sac au moyen de liaison par pression, soudure ou allumage. La partie de type sac (3a) étant formée au moyen d'un tissage creux (ou tricotage tubulaire) à l'aide de la fibre de renfort (3) et l'élément central (2) étant recouvert par liaison par pression, soudure ou allumage ; une structure de fibres de renfort peut être produite, dans laquelle le fil thermofusible est fondu par liaison par thermocompression ou analogue de manière à être lié par fusion à l'élément central.
PCT/JP2017/017285 2016-05-10 2017-05-02 Structure de fibres de renfort et procédé de production associé WO2017195710A1 (fr)

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JP6106309B1 (ja) * 2016-05-10 2017-03-29 中川産業株式会社 強化繊維構造物及びその製造方法
CN110565217B (zh) * 2019-08-21 2021-11-05 武汉纺织大学 一种熔结式稳固耐磨纱的直接络筒握持纺纱方法
CN110983599B (zh) * 2019-12-24 2021-06-11 东莞市永沣织带有限公司 一种针织卡套的制作工艺

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JP2010121250A (ja) * 2008-11-21 2010-06-03 Hyogo Prefecture 繊維強化複合材料およびその複合成形体
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JPH11320727A (ja) * 1998-05-20 1999-11-24 Sumitomo Bakelite Co Ltd 防護材
JP2010121250A (ja) * 2008-11-21 2010-06-03 Hyogo Prefecture 繊維強化複合材料およびその複合成形体
JP2013091870A (ja) * 2011-10-26 2013-05-16 Hyogo Prefecture 繊維強化複合編物材料およびその成形体
JP6106309B1 (ja) * 2016-05-10 2017-03-29 中川産業株式会社 強化繊維構造物及びその製造方法

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JP2017202604A (ja) 2017-11-16

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