WO2022202449A1 - 繊維強化樹脂の製造装置および繊維強化樹脂の製造方法 - Google Patents
繊維強化樹脂の製造装置および繊維強化樹脂の製造方法 Download PDFInfo
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- WO2022202449A1 WO2022202449A1 PCT/JP2022/011391 JP2022011391W WO2022202449A1 WO 2022202449 A1 WO2022202449 A1 WO 2022202449A1 JP 2022011391 W JP2022011391 W JP 2022011391W WO 2022202449 A1 WO2022202449 A1 WO 2022202449A1
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- Prior art keywords
- reinforcing fibers
- fiber
- resin
- reinforcing
- reinforced resin
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Images
Classifications
-
- 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
- B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
-
- 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]
- B29C70/504—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] using rollers or pressure bands
-
- 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
- B29C70/523—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in 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
- B29C70/28—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
-
- 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
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- 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
- B29K2307/00—Use of elements other than metals as reinforcement
- B29K2307/04—Carbon
Definitions
- the present invention relates to a fiber-reinforced resin manufacturing apparatus and a fiber-reinforced resin manufacturing method.
- UD Uni-Direction
- sheet A thin film-like fiber reinforced resin (hereinafter simply referred to as "Uni-Direction (UD) Also called “sheet”.) is known. Since the UD sheet is lighter than metal and has high mechanical strength, its use as a reinforcing material for covering the surface of a resin molded body is being investigated.
- UD Uni-Direction
- a UD sheet is usually manufactured by impregnating reinforcing fibers fed from a roll body with a resin material (see Patent Document 1, for example).
- Patent Document 2 describes a method of tying a fibrous material that has characteristics such as a knot that is difficult to untie even if pulled from both ends and that the knot is easily untied after being cut.
- Patent Document 3 describes a method of connecting reinforcing fibers by entangling the fibers by air injection
- Patent Document 4 provides reinforcing fibers having a splicer that performs the connecting method.
- a device for automatically changing bobbins is described.
- Patent Literature 2 describes a method of tying reinforcing fibers in which the knot is difficult to untie even when pulled from both ends (even when tension is applied).
- this knotting method is complicated and difficult to automate by machine, so workers have to manually connect the reinforcing fibers. If the reinforcing fibers are manually spliced, it is necessary to stop the manufacturing apparatus for a long time during the splicing, which makes it difficult to improve the manufacturing efficiency of the UD sheet.
- Patent Documents 3 and 4 describe a method of connecting reinforcing fibers by entangling fibers by air injection, and an automatic switching device for reinforcing fibers using this method.
- the connection of reinforcing fibers by air injection is a relatively weak connection and may be loosened by tension.
- the present invention has been made in view of the above-described problems of the prior art, and is a fiber in which reinforcing fibers are oriented and arranged in one direction, and which can connect front and rear reinforcing fibers when switching the reinforcing fibers with a relatively simple structure.
- An object of the present invention is to provide a reinforced resin production apparatus and a method for producing fiber reinforced resin using the apparatus.
- An apparatus for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction includes an impregnation unit for impregnating the reinforcing fibers with a first resin; a switching device for switching the reinforcing fibers from preceding reinforcing fibers to new reinforcing fibers on the upstream side of the part.
- the switching device forms a joined body in which the preceding reinforcing fibers and new reinforcing fibers are joined by fusion of the melted thin film-shaped second resin, and the new reinforcing fibers are joined. connect the reinforcing fibers and the preceding reinforcing fibers.
- a method for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction is a method for producing reinforcing fibers using a fiber-reinforced resin production apparatus. Fiber reinforced resin is manufactured while connecting.
- an apparatus for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction and which can connect the front and rear reinforcing fibers at the time of switching the reinforcing fibers with a relatively simple configuration and the apparatus are used.
- a method for making a hard and fiber reinforced resin is provided.
- FIG. 1 is a schematic diagram showing an exemplary configuration of an apparatus for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction according to one embodiment of the present invention.
- FIG. 2 is a schematic diagram showing how reinforcing fibers are united at a uniting portion.
- 3A to 3D are schematic diagrams showing how the switching device switches the reinforcing fibers held by the holding section to new reinforcing fibers.
- FIG. 4 is a schematic diagram showing a joined body in which a resin film is fused to preceding reinforcing fibers and new reinforcing fibers arranged in a plane.
- FIG. 5A is a schematic diagram showing the joint portion before switching, and FIG.
- FIG. 5B is a schematic diagram showing the joint portion after switching.
- FIG. 6 is a schematic diagram showing an exemplary configuration of a fiber-reinforced resin manufacturing apparatus having a removal section for removing a site where a composite is formed.
- FIG. 7 is a schematic diagram showing an exemplary configuration of an apparatus for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction, according to another embodiment of the present invention.
- 8A to 8D are schematic diagrams showing how the switching device switches the reinforcing fibers held by the holding section to new reinforcing fibers.
- FIG. 6 is a schematic diagram showing an exemplary configuration of a fiber-reinforced resin manufacturing apparatus having a removal section for removing a site where a composite is formed.
- FIG. 7 is a schematic diagram showing an exemplary configuration of an apparatus for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction, according to another embodiment of the present
- FIG. 9 is a schematic diagram showing a joined body in which a resin film is fused to preceding reinforcing fibers and new reinforcing fibers arranged in an overlapping manner.
- FIG. 10 is a schematic diagram showing how the reinforcing fibers having joined bodies are introduced into the cut portion and the impregnated portion.
- FIG. 1 is a schematic diagram showing an exemplary configuration of an apparatus for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction according to one embodiment of the present invention.
- FIG. 1 is a schematic diagram showing an exemplary configuration of a manufacturing apparatus for manufacturing a UD sheet as a fiber-reinforced resin.
- the fiber-reinforced resin manufacturing apparatus 100 in which the reinforcing fibers are oriented and arranged in one direction includes a yarn feeding section 110, a guide path 120, a switching device 130a and a switching device 130b, an accumulator 140, an impregnating section 150, and a winding section. 160.
- the yarn supplying section 110 supplies reinforcing fibers that will be impregnated with resin in the impregnating section 150 to form a fiber-reinforced resin.
- the yarn feeding section 110 is a creel 114 having a plurality of spindles 112 arranged thereon, and each spindle 112 is rotatably provided with a bobbin 116 around which the reinforcing fibers 200 are wound.
- the reinforcing fibers 200 are carbon fibers.
- the reinforcing fibers 200 may be any fibers used in fiber reinforced resins, such as glass fibers and aramid fibers.
- the guide path 120 guides the reinforcing fibers 200 supplied from the yarn supplying section 110 to the switching device 130, the accumulator 140, the impregnating section 150 and the winding section 160 in this order.
- the guide path 120 has a plurality of guide rolls 122 and a feeder 124 composed of two rolls facing each other with the reinforcing fiber 200 interposed therebetween. The two rolls that make up the feeder 124 rotate in opposite directions to sandwich the reinforcing fibers, thereby moving the reinforcing fibers 200 on the moving path formed by the guide rolls 122 .
- the reinforcing fibers 200 are continuously fed out from the bobbin 116 and moved by the feeder 124, so that the reinforcing fibers 200 continue to move on the guide path 120 without interruption.
- the feeder 124 applies a predetermined tension to the reinforcing fibers 200 .
- the tension causes the reinforcing fibers to be oriented linearly in the moving direction.
- a UD sheet having a plurality of reinforcing fibers 200 aligned in one direction and a matrix resin impregnated in the reinforcing fibers 200 is manufactured. .
- the guide path 120 has two feeders 124a and 124b.
- the feeder 124a is arranged downstream of the switching device 130 and upstream of the accumulator 140 in the movement direction of the reinforcing fibers 200, and feeds the reinforcing fibers 200 from the feeding section 110 to passing through the switching device 130. Adjust speed.
- the feeder 124 b is arranged downstream of the impregnating section 150 and upstream of the winding section 160 in the moving direction of the reinforcing fibers 200 , and adjusts the moving speed of the reinforcing fibers 200 passing through the impregnating section 150 .
- the moving speed of the reinforcing fibers 200 by the feeder 124b defines the manufacturing speed of the fiber-reinforced resin by the manufacturing apparatus 100.
- the guide path 120 has a plurality of holding portions 126a and holding portions 126b that hold, at different positions, the reinforcing fibers 200a and the reinforcing fibers 200b unwound from the bobbins 116a and 116b that are different from each other.
- the guide path 120 has a joining portion 128 that joins the reinforcing fibers 200a and 200b held by the holding portions 126a and 126b, respectively.
- the guide path 120 guides the reinforcing fibers 200 united at the uniting portion 128 to the accumulator 140 and the impregnation portion 150 .
- FIG. 2 is a schematic diagram showing how the reinforcing fibers 200a and 200b are united at the uniting portion 128.
- the holding portion 126a holds a plurality of reinforcing fibers 200a unwound from a plurality of bobbins 116a (in FIG. 2, six reinforcing fibers 200a unwound from six bobbins 116a) to the joining portion 128.
- the holding portion 126b introduces a plurality of reinforcing fibers 200b unwound from a plurality of bobbins 116b (in FIG. 2, six reinforcing fibers 200b unwound from six bobbins 116b) into the joining portion 128.
- FIG. 2 is a schematic diagram showing how the reinforcing fibers 200a and 200b are united at the uniting portion 128.
- the holding portion 126a holds a plurality of reinforcing fibers 200a unwound from a plurality of bobbins 116a
- each reinforcing fiber 200 unwound from one bobbin 116 are collectively described as one reinforcing fiber, but in reality, each reinforcing fiber 200 is an aggregate of a plurality of single fibers. A bundle (tow) of monofilaments bound by a binding material. In this specification, each tow is represented as one reinforcing fiber 200 for easy understanding.
- Both the holding portion 126a and the holding portion 126b hold a plurality of reinforcing fibers 200 at intervals. Then, the joining portion 128 arranges one of the reinforcing fibers 200b held by the holding portion 126b in the space between the reinforcing fibers 200a held by the holding portion 126a. Then, the joining portion 128 is formed by alternately arranging the reinforcing fibers 200a held by the holding portion 126a and the reinforcing fibers 200b held by the holding portion 126b, and increasing the thickness by the pair of rolls 128a and 128b. By applying pressure in the direction, these reinforcing fibers 200 are arranged in a sheet and united.
- the plurality of reinforcing fibers 200 let out from the plurality of bobbins 116 can be arranged in a planar shape (sheet shape) without gaps.
- the ends of adjacent reinforcing fibers 200 so as to slightly overlap each other, gaps between reinforcing fibers 200 may be made more difficult to occur.
- the plurality of reinforcing fibers 200 drawn out from the plurality of bobbins 116 can be arranged more evenly, and the fibers are uneven in the manufactured UD sheet due to the interference of the fibers at the time of opening. It is also possible to suppress variations in the physical properties of the UD sheet due to placement.
- the switching device 130a and the switching device 130b are arranged in the respective holding portions, and switch the reinforcing fibers held by the respective holding portions from preceding reinforcing fibers to new reinforcing fibers.
- the switching of the reinforcing fibers 200 by the switching device 130a and the switching device 130b is performed when the remaining amount of the reinforcing fibers 200a that can be let out from the bobbin 116a becomes small. Whether or not the remaining amount of the reinforcing fibers 200a has decreased may be determined based on the amount of the reinforcing fibers 200a fed out from the bobbin 116a, or by measuring the amount of the reinforcing fibers 200a wound around the bobbin 116a. (For example, measurement of the wound thickness), or by reading a mark attached in advance to the reinforcing fiber 200a indicating that the remaining amount is small from the fed reinforcing fiber 200a. good.
- FIG. 3A to 3D are schematic diagrams showing how the switching device 130a according to the present embodiment switches the preceding reinforcing fiber 210 held by the holding portion 126a to a new reinforcing fiber 220.
- FIG. 3A to 3D are schematic diagrams showing how the switching device 130a according to the present embodiment switches the preceding reinforcing fiber 210 held by the holding portion 126a to a new reinforcing fiber 220.
- FIG. 3A is a schematic diagram showing the switching device 130a before switching.
- the switching device 130a has a pressure head 1310 and a pedestal portion 1320 that are arranged at opposing positions with the moving reinforcing fibers interposed therebetween.
- the pressure head 1310 is heated by a heating unit (not shown) and moved by a cylinder 1330 in a direction toward and away from the base 1320 (vertical direction in the drawing).
- the pedestal part 1320 is heated by a heating part (not shown) and moved by a cylinder 1340 in a direction toward and away from the pressure head 1310 (vertical direction in the drawing). Note that the pedestal portion 1320 may not be vertically moved by the cylinder 1340, and the reinforcing fibers 200 may be pressed against the pedestal portion 1320 by the vertical movement of the pressure head 1310.
- FIG. 1 is a schematic diagram showing the switching device 130a before switching.
- the switching device 130a has a pressure head 1310 and a pedestal portion 1320 that are arranged at opposing positions with
- FIGS. 3B and 3C are schematic diagrams showing the switching device 130a when switching the reinforcing fibers to be impregnated with resin to new reinforcing fibers.
- FIG. 3B shows the operation of the switching device 130a when the remaining amount of reinforcing fibers 200a (preceding reinforcing fibers 210) that can be let out from the bobbin 116a is running low.
- the gripper 1360 grips the end of the reinforcing fiber 200a (new reinforcing fiber 220) wound on the bobbin 116a from which the reinforcing fiber has not been paid out, and is moving the leading edge of the fiber apart from each other. The spacing between the reinforcing fibers 210 is moved.
- the leading reinforcing fiber 210 continues to pass between the pressure head 1310 and the base portion 1320 . Therefore, between the pressure head 1310 and the pedestal portion 1320, the preceding reinforcing fibers 210 and the new reinforcing fibers 220 are temporarily arranged in a planar shape (sheet shape) without gaps and moved.
- a resin film 230 which is a thin second resin, is supplied from a supply unit (not shown) to the opposing surfaces of the pressure head 1310 and the pedestal unit 1320, respectively.
- a resin film is exemplified, but any thin film resin that can be fused to the preceding reinforcing fibers 210 and new reinforcing fibers 220 by heating and pressurizing may be used, and thicker sheets such as sheets may be used. may be used.
- a thin-film second resin that melts by heating or the like, the second resin can be cooled and solidified after welding, and contamination of other parts of the manufacturing apparatus 100 by the second resin can be suppressed. .
- the heating unit heats the pressure head 1310 and the base portion 1320 to melt the resin film 230 .
- the cylinder 1330 moves the pressure head 1310 toward the pedestal portion 1320
- the cylinder 1340 moves the pedestal portion 1320 toward the pressure head 1310 .
- the melted resin film 230 comes into contact with both the preceding reinforcing fiber 210 and the new reinforcing fiber 220, is arranged to sandwich these reinforcing fibers and is pressurized, and the preceding reinforcing fiber 210 and the new reinforcing fiber 220 are pressed. It is fused to the reinforcing fibers 220 .
- the pressure head 1310 and the base portion 1320 act as a pressing portion in this embodiment.
- the structure of the pressing portion is not limited to the pressure head 1310 and the pedestal portion 1320.
- the preceding reinforcing fiber 210 and the new reinforcing fiber 220 are brought into contact with the molten resin film 230 by rotating rolls, and these It may be a configuration in which pressure is applied by a roll of .
- a joined body 240 is formed in which the resin film 230 is fused to the preceding reinforcing fibers 210 and the new reinforcing fibers 220 arranged in a plane.
- the preceding reinforcing fiber 210 and the new reinforcing fiber 220 are firmly connected by fusion bonding of the resin film 230 .
- the bonded body 240 may have strength to the extent that the preceding reinforcing fiber 210 and the new reinforcing fiber 220 are not easily unraveled even by the tension applied to the reinforcing fiber 200 by the manufacturing apparatus 100 .
- the bonded body 240 may have a strength that does not unravel even if a tension of 1000 cN is applied in the longitudinal direction of the reinforcing fibers. .
- the thickness of the resin film 230 is preferably 1 ⁇ m or more and 1 mm or less, and more preferably 25 ⁇ m or more and 150 ⁇ m or less.
- the length of the resin film 230 in the moving direction of the reinforcing fibers 200 is preferably 1 cm or longer, and more preferably 5 cm or longer.
- the length of the resin film 230 is preferably 200 cm or less, more preferably 100 cm or less. more preferred.
- the width of the resin film 230 in the direction perpendicular to the moving direction of the reinforcing fibers 200 is It is preferably wider than the width of all reinforcing fibers 200 present.
- the resin film 230 may be a film made of the same type of resin as the resin (first resin) impregnated into the reinforcing fibers 200 in the impregnating portion 150, or may be made of a different resin. good. Among these, it is preferable that the film is made of the same type of resin that has a high affinity with the first resin that contacts the reinforcing fibers 200 and the joined body 240 in the impregnated portion 150 . In addition, from the viewpoint of suppressing deterioration in the production efficiency and the quality of the UD sheet due to retention of the second resin softened in the impregnation part 150, the resin constituting the resin film is heated to a temperature higher than the heating temperature in the impregnation part 150. A resin having a glass transition temperature is preferred.
- FIG. 3D is a schematic diagram showing the switching device 130a after switching.
- the preceding reinforcing fibers 210 are cut to stop feeding, so that only new reinforcing fibers 220 are fed and sent to the impregnated portion 150 . Since the new reinforcing fiber 220 sent at this time is connected to the preceding reinforcing fiber 210 by the joining body 240, the UD sheet can be continuously produced while switching the reinforcing fiber without stopping the manufacturing apparatus 100. Manufacturing is possible.
- the switching device 130 arranges a new reinforcing fiber 220 between the adjacent reinforcing fibers of the plurality of preceding reinforcing fibers 210 that are moving with a space therebetween to form the joined body 240 .
- the new reinforcing fiber 220 is moved to a position corresponding to the gap between the fibers of the preceding reinforcing fiber 210 .
- the two switching devices 130a and 130b each exchange the position to which the preceding reinforcing fiber 210 moves and the position to which the new reinforcing fiber 220 moves. Therefore, as shown in FIG. 5A showing the joint portion before switching and FIG. The position of the reinforcing fiber 210 to be received and the position of the reinforcing fiber 220 to be received from the switching device 130b (holding portion 126b) are changed.
- the manufacturing apparatus 100 switches the yarn supplying section 110 from the yarn supplying section 110 by the feeder 124a arranged downstream of the switching devices 130a and 130b and upstream of the accumulator 140.
- the movement speed of the reinforcing fibers 200 from being let out from 110 to passing through the switching device 130 may be slowed down.
- the resin film 230 can be fused more firmly over time, and the strength of the joined body 240 can be further increased.
- the accumulator 140 adjusts the length of the moving path of the reinforcing fibers 200 to change the moving speed of the reinforcing fibers in the impregnating section 150 (the moving speed of the reinforcing fibers from the accumulator 140 to the winding section 160) to Keep the same speed as when not switching.
- the accumulator 140 has a configuration that can change the length (amount) of the reinforcing fibers 200 passing through the accumulator 140 by changing the length of the movement path of the reinforcing fibers 200 . Then, when the reinforcing fibers 200 are not switched, the movement path of the reinforcing fibers 200 in the accumulator 140 is lengthened to increase the length (amount) of the reinforcing fibers 200 passing through the accumulator 140, and the switching device 130 switches the reinforcing fibers 200 , the length (amount) of the reinforcing fibers 200 passing through the accumulator 140 is reduced.
- the amount of the reinforcing fibers 200 sent from the accumulator 140 to the impregnating section 150 can be kept constant.
- the accumulator 140 accumulates the reinforcing fibers 200 when the reinforcing fibers 200 are not switched, and releases the accumulated reinforcing fibers 200 little by little when the switching device 130 switches the reinforcing fibers 200.
- the amount of reinforcing fibers 200 sent from the accumulator 140 to the impregnating section 150 can be kept constant.
- the impregnation unit 150 opens the reinforcing fibers 200 and impregnates the reinforcing fibers 200 with resin.
- the reinforcing fibers 200 are moved along the surface of the fiber-spreading roller 152 , and the reinforcing fibers 200 are rubbed by the fiber-spreading roller 152 to spread the reinforcing fibers 200 .
- the opened reinforcing fibers 200 are guided to the impregnation roller 154 and moved along the surface of the impregnation roller 154 .
- a molten resin 158 (first resin) extruded from an extruder 156 adheres to the surface of the impregnating roller 154 and rotates. , the reinforcing fibers 200 are impregnated with the resin 158 .
- the method of opening the resin and the method of impregnation are not limited to the above methods.
- the reinforcing fibers 200 may be rubbed by a plurality of fiber-spreading rollers at the time of fiber-spreading, or the reinforcing fibers 200 may be vibrated at the time of fiber-spreading.
- a sizing agent may be added to the reinforcing fibers 200 to facilitate the impregnation of the resin 158 when the fibers are opened.
- the reinforcing fibers 200 may be impregnated with the resin by a method such as immersing the reinforcing fibers in a molten resin bath during the impregnation.
- the bonded body 240 which is the connection portion of the reinforcing fibers 200, is a portion where other resin derived from the resin film 230 is mixed or the ratio between the reinforcing fibers 200 and the resin is changed. is. Therefore, the portion corresponding to the joined body 240 may be removed by cutting from the UD sheet during or after manufacturing.
- the manufacturing apparatus 100 may have a removing section that removes the portion where the bonded body 240 is formed by fusion bonding the resin film 230 (the portion containing the bonded body 240 and the first resin).
- a fiber-reinforced resin manufacturing apparatus 300 in which reinforcing fibers are oriented and arranged in one direction includes a composite body in which reinforcing fibers 200 are impregnated with a resin on the downstream side of an impregnation section 150. and a cutting section 320 for cutting the composite. Since the configuration upstream of the impregnation unit 150 of the manufacturing apparatus 300 can be the same as that of the manufacturing apparatus 100 shown in FIG. 1, only the configuration downstream of the impregnation unit 150 is shown in FIG. Moreover, the composite whose thickness is measured and cut may be a UD sheet obtained by cooling and solidifying the impregnated resin, or may be a composite before cooling and solidifying.
- the thickness measurement unit 310 measures the thickness of the composite after being impregnated with the resin.
- the portion where the joined body 240 is formed contains a larger amount of the reinforcing fibers 200 than the other portion and the thickness of the resin film 230 is added, so that the thickness of the composite is larger than that of the other portion. . Therefore, it can be determined that the site where the thickness measured by the thickness measuring unit 310 is large is the site where the joined body 240 is formed in the composite.
- the cutting section 320 cuts the composite before and after the site where the thickness measured by the thickness measuring section 310 is large and is determined to be the site where the joined body 240 is formed. As a result, the site where the conjugate 240 is formed can be removed from the composite.
- cuts 320 may be removed from the composite, including portions of new reinforcing fibers 220 or previous reinforcing fibers 210 that do not form these joints 240 .
- the cut portion 320 is longer than the length of the joined body 240 and is longer than the length of the joined body 240 along the moving direction of the reinforcing fibers 200 , including the portion corresponding to the joined body 240 . Portions shorter than the same length (preferably half the length of the conjugate 240) may be removed from the composite.
- the UD sheet from which the above parts have been removed is collected in the collecting unit 330 as a sheet-like UD sheet.
- a plurality of UD sheets are stacked and collected in the collecting unit 330, but they may be collected in a roll form.
- the method for removing the portion where the joined body 240 is formed is not limited to the cutting described above, and the portion may be removed by, for example, punching.
- the method of determining the above-mentioned portion is not limited to the method of determining from the thickness of the composite.
- the removal may be performed, or may be performed based on a signal indicating that the reinforcing fibers have been connected in the switching device 130a and the switching device 130b.
- FIG. 7 is a schematic diagram showing an exemplary configuration of an apparatus for producing a fiber-reinforced resin in which reinforcing fibers are oriented and arranged in one direction, according to another embodiment of the present invention.
- FIG. 7 is a schematic diagram showing an exemplary configuration of a manufacturing apparatus for manufacturing a pellet-shaped resin composition (Long Fiber Thermoplastics: LFT) containing unidirectionally oriented reinforcing fibers as a fiber-reinforced resin. .
- LFT Long Fiber Thermoplastics
- a fiber-reinforced resin manufacturing apparatus 700 in which reinforcing fibers are oriented and arranged in one direction includes a yarn feeding section 110, a guide path 720, a switching device 730, an accumulator 140, a dividing section 770, an impregnating section 750, a removing section (thickness measurement section 310 and cutting section 320 ), and a recovery section 780 .
- the manufacturing apparatus 700 introduces the reinforcing fibers 200 into individual die holes in the impregnating section 750 to impregnate each reinforcing fiber 200 with the first resin. Then, a number of pellets (LFT) obtained by impregnating each reinforcing fiber 200 with the first resin are obtained according to the number of die holes.
- LFT pellets
- the guide path 720 is not configured to unite the reinforcing fibers from different holding portions 126 at the uniting portion 128, and the reinforcing fibers 200 that move with a space between them are separated from each other. (without arranging the reinforcing fibers 200 in a plane without gaps) to the impregnation part 750 . Therefore, the switching device 730 also forms a joined body without planarly arranging the preceding reinforcing fibers 210 and the new reinforcing fibers 220 even during the switching of the reinforcing fibers 200 .
- the manufacturing apparatus 700 includes a dividing unit that cuts the bonded body in the longitudinal direction (moving direction of the reinforcing fibers 200) and divides the bonded body into the reinforcing fibers 200 before the bonded body is introduced into the impregnating section 750. 770.
- the impregnation unit 750 supplies the molten first resin to the reinforcing fibers 200 (actually a bundle of reinforcing fibers) passing through the die hole, and the first resin is supplied to each reinforcing fiber 200. is impregnated with resin.
- the collecting unit 780 cuts the elongated composite formed by impregnating the reinforcing fibers 200 with the resin into pellets and collects them.
- Other configurations of the manufacturing apparatus 700 according to the present embodiment can be the same as those of the manufacturing apparatus 100 according to the first embodiment, and thus the description of the same configurations will be omitted.
- the guide path 720 moves the reinforcing fibers 200 supplied from the yarn supplying section 110 with a space between each other while moving the switching device 730, the accumulator 140, the dividing section 770, the impregnating section 750, and the winding section. 160 components in that order.
- the configurations and operations of the accumulator 140 and the winding section 160 are the same as those of the manufacturing apparatus 100 relating to the first embodiment.
- FIG. 8A to 8D are schematic diagrams showing how the switching device 730 according to the present embodiment switches the preceding reinforcing fiber 210 held by the holding portion 126 to a new reinforcing fiber 220.
- FIG. 8A to 8D are schematic diagrams showing how the switching device 730 according to the present embodiment switches the preceding reinforcing fiber 210 held by the holding portion 126 to a new reinforcing fiber 220.
- FIG. 8A is a schematic diagram showing the switching device 730 before switching.
- the switching device 730 has a pressure head 7310 vertically moved by a cylinder 7330 and a pedestal portion 7320 vertically moved by a cylinder 7340, which are arranged at opposing positions across the moving reinforcing fiber.
- the configuration and action of the pressure head 7310 and the pedestal 7320 are the same as those of the switching device 130 according to the first embodiment.
- FIGS. 8B and 8C are schematic diagrams showing the switching device 730 when switching the reinforcing fibers to be impregnated with resin to new reinforcing fibers.
- FIG. 8B shows the operation of the switching device 730 when the remaining amount of reinforcing fibers 200a (preceding reinforcing fibers 210) that can be let out from the bobbin 116a is running low.
- the gripper 7360 grips the end of the reinforcing fiber 200a (new reinforcing fiber 220) wound on the bobbin 116a from which the reinforcing fiber has not been paid out, and moves the leading edge of the fiber apart from each other. It is moved to a position overlapping the reinforcing fiber 210 in the vertical direction (the pressing direction by the pressure head 7310 and the pedestal portion 7320).
- the leading reinforcing fiber 210 continues to pass between the pressure head 7310 and the base portion 7320 . Therefore, between the pressure head 7310 and the pedestal portion 7320, the preceding reinforcing fibers 210 and the new reinforcing fibers 220 are temporarily arranged and moved.
- the resin film 230 is supplied from a supply unit (not shown) to the opposing surfaces of the pressure head 1310 and the pedestal unit 1320 .
- the heating unit heats the pressure head 7310 and the pedestal 7320 to melt the resin film 230 .
- the cylinder 7330 moves the pressure head 7310 toward the pedestal portion 7320
- the cylinder 7340 moves the pedestal portion 7320 toward the pressure head 7310 .
- the melted resin film 230 comes into contact with the preceding reinforcing fiber 210 and the new reinforcing fiber 220, is arranged to sandwich these reinforcing fibers and is pressurized, and the preceding reinforcing fiber 210 and the new reinforcing fiber 220.
- the pressure head 7310 and the pedestal portion 7320 act as a pressing portion in this embodiment.
- a joined body 840 is formed in which the resin film 230 is fused to the preceding reinforcing fibers 210 and the new reinforcing fibers 220 arranged in an overlapping manner.
- the preceding reinforcing fiber 210 and the new reinforcing fiber 220 are firmly connected by fusion bonding of the resin film 230 .
- the joined body 840 may have strength to the extent that the tension applied to the reinforcing fibers 200 by the manufacturing apparatus 100 does not easily unravel the leading reinforcing fibers 210 and the new reinforcing fibers 220 .
- the bonded body 840 may have a strength that does not unravel even if a tension of 1000 cN is applied in the longitudinal direction of the reinforcing fibers. .
- the configuration of the pressing portion and the type of resin film are not limited to those described above.
- FIG. 10 is a schematic diagram showing how the reinforcing fibers 200 formed with the joined bodies 240 are introduced into the divided portion 770 and the impregnated portion 750 .
- the reinforcing fibers 200 that have moved to the splitting portion 770 through the switching device 730 are partially formed into a sheet shape by the fusion of the resin film 230 formed when the preceding reinforcing fibers 210 are switched to the new reinforcing fibers 220. It has a conjugate 840 that is connected to it.
- the dividing portion 770 vertically cuts and divides the joined body 240 , which is partially in the form of a sheet due to the fusion bonding of the resin film 230 , for each reinforcing fiber 200 .
- the splitter 770 can have the same configuration as a known slitter that cuts the film in the moving direction.
- the impregnation section 750 has a fiber opening roller 752 and an impregnation die 754 .
- the impregnation die 754 has a plurality of die holes 754a that all pass through the impregnation die 754 in the moving direction of the reinforcing fibers 200 .
- the guide path 720 spreads the reinforcing fibers 200 including the bonded bodies 240 split by the splitting section 770 with the spreading roller 752, and then introduces each reinforcing fiber 200 into each different die hole 754a of the impregnating section 750. do.
- a molten resin (first resin) extruded from an extruder 756 is supplied to the inside of each die hole 754a, and the reinforcing fibers 200 come into contact with the molten resin inside the die hole 754a,
- the reinforcing fibers 200 are impregnated with the resin 158 by contacting different wall surfaces of the die hole 754a and promoting the entry of the resin into the bundle of the reinforcing fibers 200 .
- a joined body 240 is formed by fusion bonding of the resin film 230 by the removed portions (thickness measuring portion 310 and cutting portion 320) in the same manner as in the first embodiment.
- a portion (a portion including the joined body 240 and the first resin) may be removed.
- the configuration of the removing section is not limited to the configuration having the thickness measuring section 310 and the cutting section 320 .
- the recovery unit 780 includes a pelletizing cutter 782 that cuts the elongated composite into a predetermined length, and the pelletized composite that has been cut. and a collection container 784 for collection. In this way, a cut pellet-like complex (LFT) can be obtained. Note that the manufacturing apparatus 700 may collect the elongated composite before being pelletized.
- the material of the reinforcing fiber is not particularly limited.
- carbon fiber, glass fiber, aramid fiber, alumina fiber, silicon carbide fiber, boron fiber, metal fiber, and the like can be used as the reinforcing fiber.
- the reinforcing fibers preferably have an average diameter of 1 ⁇ m or more and 20 ⁇ m or less, more preferably 4 ⁇ m or more and 10 ⁇ m or less.
- the reinforcing fibers may be sized with a sizing agent.
- the sizing agent is not particularly limited, it is preferably modified polyolefin, and more preferably modified polyolefin containing carboxylic acid metal salt.
- the modified polyolefin is obtained by, for example, grafting a carboxylic acid group, a carboxylic acid anhydride group, or a carboxylic acid ester group to the polymer chain of the unmodified polyolefin, and forming a salt between the functional group and the metal cation. It is a thing.
- the unmodified polyolefin is an ethylene polymer in which the content of structural units derived from ethylene is 50 mol% or more, or a propylene polymer in which the content of structural units derived from propylene is 50 mol% or more. is preferred.
- the ethylene-based polymer include ethylene homopolymers and copolymers of ethylene and ⁇ -olefins having 3 to 10 carbon atoms.
- the propylene-based polymer include propylene homopolymers and copolymers of propylene and ethylene or ⁇ -olefins having 4 to 10 carbon atoms.
- the unmodified polyolefin is preferably homopolypropylene, homopolyethylene, ethylene/propylene copolymer, propylene/1-butene copolymer, or ethylene/propylene/1-butene copolymer.
- the reinforcing fibers may be bundled into a fiber bundle.
- the number of single yarns per bundled reinforcing fiber bundle is preferably 100 or more and 100,000 or less, more preferably 1,000 or more and 50,000 or less.
- the material of the matrix resin is not particularly limited, and may be a thermoplastic resin or a thermosetting resin.
- the thermoplastic resin include polyolefin resins including polypropylene resins and polyethylene resins, polyamide resins, polyester resins, polycarbonate resins, polyacetal resins, polyetherketone resins, polyetheretherketone resins, and polysulfone resins. is included. Among these, polypropylene-based resins and polyamide-based resins are preferred.
- the matrix resin may contain the above-described modified polyolefin.
- the preceding reinforcing fibers 210 and the new reinforcing fibers 220 are reinforcing fibers made of the same material, but the preceding reinforcing fibers 210 and the new reinforcing fibers 220 are different. Reinforcing fibers made of material may also be used.
- each of the two holding parts has a switching device.
- the reinforcing fibers from the part may be united, or, as in the second embodiment, one switching device may be arranged in one holding part and the configuration may be such that there is no united part. .
- the preceding reinforcing fibers and the new reinforcing fibers are arranged in a plane without gaps
- the preceding A joined body may be formed in which the reinforcing fibers and the new reinforcing fibers are overlapped and arranged.
- each of the plurality of holding portions may have a switching device, and the joining portion may be configured to unite the reinforcing fibers from these holding portions.
- the reinforcing fibers from the respective holding portions are arranged at intervals, or arranged in an overlapping manner, so that the arrangement of the reinforcing fibers after coalescence is different from the die hole.
- the reinforcing fibers may be united so that each of the reinforcing fiber bundles is introduced into the interior of the .
- the configuration in which two upper and lower resin films are fused to the reinforcing fiber is exemplified, but the resin film may be fused to only one of them. Alternatively, a plurality of resin films may be fused together.
- the bonded body formed by fusion bonding of the resin films only one bonded body may be formed each time switching is performed, or a plurality of bonded bodies may be formed by performing the fusion bonding of the resin films a plurality of times.
- the material of the resin film is preferably a thermoplastic resin.
- the thermoplastic resin include polyolefin resins including polypropylene resins and polyethylene resins, polyamide resins, polyester resins, polycarbonate resins, polyacetal resins, polyetherketone resins, polyetheretherketone resins, and polysulfone resins. is included. Among these, polypropylene-based resins and polyamide-based resins are preferred.
- the thin-film second resin is melted by heating and fused to the preceding reinforcing fiber and the new reinforcing fiber. It may be fused by
- the switching device in each of the above-described embodiments may have a cooling unit that cools and solidifies the fused second resin.
- the cooling unit may be contact or non-contact.
- the reinforcing fibers fed out in each of the above-described embodiments are not only used for manufacturing the UD sheet or LFT, but are also cut (chopped) and kneaded with a matrix resin, for example, so that the reinforcing fibers are randomly oriented and arranged. It may also be used in the production of fiber reinforced resins.
- UD seats or LFTs manufactured by the above manufacturing equipment include various modules such as instrument panels, door beams, undercovers, lamp housings, pedal housings, radiator supports, spare tire covers, and front ends, automobile parts, notebook computers, etc. , mobile phones, digital still cameras, PDAs, and plasma displays, as well as electric and electronic parts, as well as telephones, facsimiles, VTRs, copiers, televisions, microwave ovens, audio equipment, toiletries, laser discs (registered trademark), Refrigerators, air conditioners, etc. can be used for home/office electrical product parts.
- UD sheets can also be further molded and used for pipes, pressure vessels, and the like.
- primary structural members including main wings, vertical and horizontal stabilizers, etc.
- secondary structural members including ailerons, rudders and elevators, etc.
- interior materials including seats and tables, power units, and hydraulic cylinders.
- components of general air vehicles such as aircraft and helicopters, including composite brakes, etc., rocket components including nozzle cones and motor cases, antennas, structures, solar panels, battery cases and telescopes, etc.
- Machine parts including frames, shafts, rollers, leaf springs, machine tool heads, robot arms, transfer hands and synthetic fiber pots, high-speed rotating body parts including centrifuge rotors and uranium enrichment cylinders , parabolic antennas, battery parts, radars, acoustic speaker cones, computer parts, printer parts, electronic and electrical parts including computer housings and tablet housings, frame parts, semi-structural parts, outer panel parts, interior and exterior parts, power Devices, other equipment - hydraulic cylinders, brakes, battery cases, drive shafts, engine parts, spoilers, racing car bodies, crash cones, chairs, tablets, phone covers, under covers, side covers, transmission covers, battery trays, rear steps, Vehicle parts including spare tire containers, bus body walls and truck body walls, interior materials, floor panels, ceiling panels, linear motor car bodies, Shinkansen and railroad bodies, window wipers, bogies and seats, etc.
- pressure vessel parts and materials including tanks, CNG tanks and oxygen tanks; scientific equipment parts and materials including agitator blades, pipes, tanks, pit floors and plant piping; wind power including blades, skins, frameworks and de-icing systems, etc.
- CF composite cables concrete reinforcing members, guardrails, bridges, tunnel walls, hoods, cables, tension rods , Strand rods and flexible pipes for civil engineering and construction/infrastructure parts, Marine risers, Flexible jumpers, Flexible risers and Drilling risers for offshore oil drilling, Fishing rods, Reels, Golf clubs, Tennis rackets, Badminton rackets, Sports and leisure equipment, including skis, poles, snowboards, ice hockey sticks, snowmobiles, bows, kendo shinai, baseball bats, diving boards, sports equipment for the disabled and sports helmets.
- Bicycle parts including frames, disc wheels, rims, handles and saddles, eyeglasses, bags, umbrellas and ballpoint pens including daily necessities, plastic pallets, containers, distribution materials, resin molds, furniture, umbrellas, helmets and pipes , scaffolding boards, safety shoes, protectors, fuel cell covers, drone blades, frames, jigs and jig frames for other industrial applications.
- the apparatus for producing fiber-reinforced resin in which the reinforcing fibers are arranged in one direction has a relatively simple configuration, and can connect the front and rear reinforcing fibers when switching the reinforcing fibers. Therefore, the present invention facilitates continuous production of fiber-reinforced resins, and is expected to contribute to the development of various fields using fiber-reinforced resins, particularly UD sheets or LFTs.
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Abstract
Description
図1は、本発明の一実施形態に関する強化繊維が一方向に配向して配列された繊維強化樹脂の製造装置の例示的な構成を示す模式図である。図1は、繊維強化樹脂としてUDシートを製造する製造装置の例示的な構成を示す模式図である。
図7は、本発明の他の実施形態に関する強化繊維が一方向に配向して配列された繊維強化樹脂の製造装置の例示的な構成を示す模式図である。図7は、繊維強化樹脂として、一方向に配向されて配列した強化繊維を含むペレット状の樹脂組成物(Long Fiber Thermoplastics:LFT)を製造する製造装置の例示的な構成を示す模式図である。
上記強化繊維の材料は、特に限定されない。たとえば、炭素繊維、ガラス繊維、アラミド繊維、アルミナ繊維、炭化珪素繊維、ボロン繊維、および金属繊維などを、上記強化繊維として用いることができる。
なお、上述の各実施形態はそれぞれ本発明の一例を示すものであり、本発明は上述の各実施形態に限定されるものではなく、本発明の思想の範囲内において、他の種々多様な各実施形態も可能であることは言うまでもない。
110 給糸部
112 スピンドル
114 クリール
116、116a、116b ボビン
120、720 ガイド路
122 ガイドロール
124、124a、124b フィーダー
126a、126b 保持部
128 合一部
128a、128b ロール
130a、130b、730 切替装置
140 アキューム
150,750 含浸部
152、752 開繊ローラー
154 含浸ローラー
156、756 押出機
158 溶融した樹脂
160 巻取部
200、200a、200b 強化繊維
210 先行する強化繊維
220 新たな強化繊維
230 樹脂フィルム
240、840 接合体
310 厚み測定部
320 切断部
330、780 回収部
754 含浸ダイ
754a ダイ孔
770 分割部
782 ペレット化カッター
784 回収容器
1310、7310 加圧ヘッド
1320、7320 台座部
1330、1340、7330、7340 シリンダー
1360、7360 把持部
Claims (12)
- 強化繊維に第1の樹脂を含浸させる含浸部と、
前記含浸部よりも上流側で、前記強化繊維を、先行する強化繊維から新たな強化繊維に切り替え切替装置と、を有し、
前記切替装置は、前記強化繊維の切り替え時に、溶融された薄膜状の第2の樹脂の融着により、前記先行する強化繊維と新たな強化繊維とが接合した接合体を形成して、前記新たな強化繊維と前記先行する強化繊維とを接続する、
強化繊維が一方向に配向して配列された繊維強化樹脂の製造装置。 - 前記切替装置は、前記先行する強化繊維および新たな強化繊維の双方に前記第2の樹脂が接触するように、前記第2の樹脂を供給する供給部、および
前記第2の樹脂を加熱して溶融させつつ、前記先行する強化繊維および新たな強化繊維に接触した前記第2の樹脂を押圧する押圧部を有する
請求項1に記載の繊維強化樹脂の製造装置。 - 前記第2の樹脂は、前記第1の樹脂と同種の樹脂である、請求項1または2に記載の繊維強化樹脂の製造装置。
- 前記含浸部は、平面状に配列された前記強化繊維に溶融した前記第1の樹脂を供給して、前記強化繊維に第1の樹脂を含浸させる、請求項1~3のいずれか1項に記載の繊維強化樹脂の製造装置。
- 複数の前記繰り出された強化繊維を、互いに異なる位置で保持する複数の保持部と、
前記複数の保持部から前記複数の強化繊維を受け取って合一させて、前記含浸部へと送る合一部と、を有し、
複数の前記切替装置が、前記複数の保持部のそれぞれに配置されている、
請求項4に記載の繊維強化樹脂の製造装置。 - 前記複数の保持部は、いずれも複数の前記強化繊維を保持し、
前記合一部では、前記複数の保持部から受け取った複数本の強化繊維を、互い違いに配置してシート状に合一させ、かつ、前記切替装置による前記強化繊維の切り替えの前後で、前記複数の保持部から受け取った複数の強化繊維の配置が変更される、
請求項5に記載の繊維強化樹脂の製造装置。 - 前記含浸部は、ダイ孔の内部を通過する前記強化繊維の束に溶融した前記第1の樹脂を供給して、前記強化繊維の束ごとに第1の樹脂を含浸させる、請求項1~3のいずれか1項に記載の繊維強化樹脂の製造装置。
- 前記接合体を、前記強化繊維の束ごとに分割して、前記分割された接合体を、前記強化繊維の束ごとに異なる前記ダイ孔に導入する分割部を有する、請求項7に記載の繊維強化樹脂の製造装置。
- 前記含浸部で樹脂を含浸されてなる繊維強化樹脂から、前記接合体が形成された部位を除去する除去部を有する、請求項1~8のいずれか1項に記載の繊維強化樹脂の製造装置。
- 前記強化繊維は、炭素繊維である、請求項1~9のいずれか1項に記載の繊維強化樹脂の製造装置。
- 前記樹脂は、熱可塑性樹脂である、請求項1~10のいずれか1項に記載の繊維強化樹脂の製造装置。
- 請求項1~11のいずれか1項に記載の繊維強化樹脂の製造装置を用いて、強化繊維を接続しながら繊維強化樹脂を製造する、強化繊維が一方向に配向して配列された繊維強化樹脂の製造方法。
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