WO2015068734A1 - プリプレグシート自動積層装置、及びプリプレグシート積層方法 - Google Patents

プリプレグシート自動積層装置、及びプリプレグシート積層方法 Download PDF

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Publication number
WO2015068734A1
WO2015068734A1 PCT/JP2014/079355 JP2014079355W WO2015068734A1 WO 2015068734 A1 WO2015068734 A1 WO 2015068734A1 JP 2014079355 W JP2014079355 W JP 2014079355W WO 2015068734 A1 WO2015068734 A1 WO 2015068734A1
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WO
WIPO (PCT)
Prior art keywords
sheet
semi
prepreg
laminated
cured
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2014/079355
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
高 渋谷
恵 鶴田
康介 大渡
敏和 植田
山崎　幸治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to BR112016007532A priority Critical patent/BR112016007532A2/pt
Priority to CN201480055558.8A priority patent/CN105612045B/zh
Priority to EP14860804.5A priority patent/EP3042754B1/en
Priority to US15/026,489 priority patent/US9993979B2/en
Priority to CA2926333A priority patent/CA2926333C/en
Publication of WO2015068734A1 publication Critical patent/WO2015068734A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • B29C70/386—Automated tape laying [ATL]
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/68—Release sheets
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • B29C70/386—Automated tape laying [ATL]
    • B29C70/388—Tape placement heads, e.g. component parts, details or accessories
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1658—Cooling using gas
    • 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
    • B29K2101/10—Thermosetting resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0872—Prepregs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076—Aircrafts
    • B29L2031/3082—Fuselages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076—Aircrafts
    • B29L2031/3085—Wings

Definitions

  • the present invention is an automatic prepreg sheet laminating apparatus for manufacturing a prepreg laminated body in which a plurality of prepreg sheets are laminated by laminating a plurality of semi-cured prepreg sheets impregnated with resin in a fiber sheet, and a prepreg
  • the present invention relates to a sheet laminating method.
  • a plurality of prepreg sheets configured by impregnating a fiber sheet with a resin are laminated to form a prepreg laminate in a semi-cured state (incompletely cured state), thereby forming the prepreg laminate.
  • FRP sheets prepreg sheets
  • the fuselage, wings and the like of an aircraft are manufactured using the fully cured prepreg laminate.
  • the fibers constituting the fiber sheet have the same fiber direction. Further, as the resin to be impregnated into the fiber sheet, an ultraviolet curable resin, a thermosetting resin or the like in a semi-cured state (incompletely cured state) is used, and therefore, it has adhesiveness. Therefore, a peeling sheet is disposed on one side of the prepreg sheet.
  • the prepreg laminate in the semi-cured state is formed by using a prepreg sheet automatic laminating apparatus. Specifically, the prepreg sheet automatic laminating apparatus removes the release sheet from the semi-cured prepreg sheet and integrally laminates the plurality of prepreg sheets while crossing the fiber directions of the fiber sheets. A prepreg laminate in a cured state is formed.
  • the adhesion between the prepreg sheets may be reduced.
  • the resin constituting the prepreg sheet is a thermosetting resin
  • the air air stagnation
  • the prepreg sheets in a semi-hardened state are crimped between the prepreg sheets in a laminated state. It is performed to suppress the presence of air (air accumulation).
  • the semi-cured prepreg sheet is pulled by the release sheet to make the semi-cured state in the middle of production (pre-cured laminate ( In other words, there is a possibility that one or more layers of the semi-cured prepreg sheet may be lifted or the position of the layer may be deviated from a predetermined position.
  • the prepreg laminate in the above-mentioned semi-cured state is produced by the translational driving force of the compactor.
  • the position of the body (stacked body) may be deviated from the predetermined position.
  • Patent Document 1 As a prior art which can improve the adhesiveness between the prepreg sheets in a semi-hardened state, there is, for example, Patent Document 1.
  • a prepreg prepreg sheet
  • tack adheresion
  • the compaction roller forms a prepreg on a jig
  • the prepreg laminate (laminated body) in the semi-cured state in the middle of production shifts from a predetermined position, which may reduce the productivity of the prepreg layer in the semi-cured state. .
  • the present invention is an automatic lamination of a prepreg sheet capable of improving the productivity of a semi-cured prepreg laminate by suppressing positional deviation of the semi-cured prepreg laminate (laminated body) during production.
  • An apparatus and a prepreg sheet laminating method are provided.
  • a plurality of prepreg sheets in the semi-cured state are laminated by laminating a plurality of prepreg sheets in which the fiber sheet is impregnated with the resin in the semi-cured state.
  • the laminated sheet is pressed from the other surface side of the peeling sheet of the laminated sheet including the peeling sheet and the semi-cured prepreg sheet attached to one surface of the peeling sheet.
  • the peeling is performed from one side of the semi-cured prepreg sheet laminated on the upper surface of the laminated body It has a temperature gradient forming portion temperature to form a temperature gradient is lower with respect to a direction toward the other surface of use sheet, a.
  • the predetermined area located in the front stage of the first roller in the laminated sheet from one side of the semi-cured prepreg sheet laminated on the upper surface of the laminated body to the other side of the release sheet It has a temperature gradient forming portion that forms a temperature gradient in which the temperature decreases in the direction to which it is heading. This makes it possible to reduce the temperature near the interface between the other surface of the semi-cured prepreg sheet and one surface of the release sheet while suppressing the temperature drop on the one surface side of the semi-cured prepreg sheet. .
  • the above-mentioned temperature gradient in a portion corresponding to a predetermined region in the laminated sheet, for example, compared to the case where the temperature gradient is formed in the laminated sheet by line contact using a roller, It is possible to further suppress the positional deviation of the laminate due to the poor removability.
  • the predetermined area includes a first area
  • the temperature gradient forming unit is configured to peel off the other side of the peeling sheet located in the first area.
  • the cooling unit may be a cooling unit that cools the seat.
  • the cooling unit that cools the release sheet from the other surface side of the release sheet located in the first region of the predetermined region, the other surface side of the release sheet The temperature goes down. For this reason, it is possible to form a temperature gradient in which the temperature is lowered in the direction from the one surface of the semi-cured prepreg sheet to the other surface of the release sheet.
  • the cooling unit may blow cold air to the other surface of the release sheet located in the first region.
  • the cooling unit for blowing cold air to the other surface of the release sheet located in the first region generation of condensation on the other surface of the release sheet is suppressed, and It is possible to form a temperature gradient in which the temperature is lowered in the direction from one side of the prepreg sheet to the other side of the release sheet.
  • the predetermined area includes a second area positioned in front of the first area, and the semi-cured prepreg sheet is positioned in the second area.
  • a temperature gradient can be formed in which the temperature is lowered in the direction from the one surface of the semi-cured prepreg sheet to the other surface of the release sheet.
  • a temperature gradient is formed such that the temperature is lowered in the direction from the one surface of the semi-cured prepreg sheet to the other surface of the release sheet.
  • the adhesion between the upper surface of the body and one surface of the semi-cured prepreg sheet can be improved.
  • the prepreg sheet automatic laminating apparatus may further include a second heating unit configured to heat the laminated body positioned in front of the first roller.
  • the adhesive strength between the upper surface of the laminated body and one surface of the semi-cured prepreg sheet is improved by providing the second heating unit for heating the laminated body positioned in the front stage of the first roller. be able to.
  • a plurality of semi-cured prepreg sheets are laminated by laminating a plurality of semi-cured prepreg sheets in which a fiber sheet is impregnated with a resin. Form a prepreg laminate.
  • this prepreg sheet laminating method the other surface of the peeling sheet and the peeling sheet of the laminated sheet having the semi-cured prepreg sheet attached to one surface of the peeling sheet and the peeling sheet is pressed by the first roller.
  • the laminated sheet in the predetermined area of the laminated sheet, which is positioned in front of the first roller, the laminated sheet is peeled off from one side of the semi-cured prepreg sheet laminated on the upper surface of the laminated body.
  • a temperature gradient is formed in which the temperature decreases in the direction toward the other surface of the seat. This makes it possible to reduce the temperature near the interface between the other surface of the semi-cured prepreg sheet and one surface of the release sheet while suppressing the temperature drop on the one surface side of the semi-cured prepreg sheet. .
  • the above-mentioned temperature gradient in a portion corresponding to a predetermined region in the laminated sheet, for example, compared to the case where the temperature gradient is formed in the laminated sheet by line contact using a roller, It is possible to further suppress the positional deviation of the laminate due to the poor removability.
  • the peeling sheet in the temperature gradient forming step, may be cooled from the other surface side of the peeling sheet positioned in the first region of the predetermined region.
  • the temperature of the other surface of the release sheet is lowered by cooling the release sheet from the other surface of the release sheet located in the first region of the predetermined region. Therefore, it is possible to form a temperature gradient in which the temperature decreases in the direction from the one surface of the semi-cured prepreg sheet to the other surface of the release sheet.
  • cold air may be blown to the other surface of the release sheet located in the first region.
  • the cold air is blown to the other surface of the release sheet located in the first region to suppress the occurrence of dew condensation on the other surface of the release sheet, and then semi-cured. It is possible to form a temperature gradient in which the temperature decreases in the direction from the one surface of the prepreg sheet in the direction toward the other surface of the release sheet.
  • the semi-cured prepreg in the temperature gradient forming step, is located in a second area disposed in front of the first area in the predetermined area.
  • the semi-cured prepreg sheet may be heated from one side of the sheet.
  • the semi-cured state is set from the one surface side of the prepreg sheet set in the semi-cured state.
  • the prepreg sheet By heating the prepreg sheet, it is possible to form a temperature gradient in which the temperature is lowered in the direction from the one surface of the semi-cured prepreg sheet to the other surface of the release sheet.
  • the laminated body positioned in front of the first roller may be heated.
  • the adhesion between the upper surface of the laminated body and one surface of the semi-cured prepreg sheet is improved by heating the laminated body positioned in front of the first roller. Can.
  • the prepreg in the semi-hardened state is suppressed by suppressing the positional deviation of the prepreg laminated body (laminated body) in the semi-hardened state during production.
  • the productivity of the laminate can be improved.
  • FIG. 1 is a view schematically showing a schematic configuration of a prepreg sheet automatic laminating apparatus according to a first embodiment of the present invention.
  • FIG. 1 schematically shows a state in which the semi-cured prepreg sheet 18 constituting the laminated sheet 16 is laminated on the upper surface 12 a of the laminated body 12 placed on the stage 11.
  • A indicates the moving direction of the stage 11 (hereinafter, referred to as “A direction”) during the prepreg sheet laminating process shown in FIG. 1.
  • B indicates the feeding direction of the laminated sheet 16 (hereinafter referred to as “feeding direction B").
  • C1 indicates a first area (hereinafter, referred to as “first area C1”) in which the cooling unit 29 cools in the predetermined area.
  • the first area C1 indicates an area located between the first roller 52 and the second guide roller 28.
  • an arrow illustrated below the nozzle 48 indicates that the cooling unit 29 cools the peeling sheet 17.
  • the prepreg sheet automatic laminating apparatus 10 includes a stage 11, a laminated sheet winding roller 14, a first guide roller 21, and a laminated sheet feeding unit 23.
  • a cutter 24, a first guide member 26, a second guide roller 28, a cooling unit 29, which is a temperature gradient forming unit, a compactor 31, a support member 33, a pressing roller 36, and a second guide A member 37 and a peeling sheet collecting roller 41 are provided.
  • the stage 11 is disposed on a gantry (not shown).
  • the stage 11 is configured to be movable in the A direction and the direction opposite to the A direction.
  • the stage 11 has a to-be-laminated body mounting surface 11 a which is a flat surface and on which the to-be-laminated body 12 is mounted.
  • the laminate 12 is a laminate in which one or more semi-cured prepreg sheets are laminated.
  • the to-be-laminated body 12 has the upper surface 12a to which the prepreg sheet 18 of the semi-hardened state which comprises the lamination sheet 16 is affixed.
  • the to-be-laminated body 12 is mounted on the stage 11 so that the lower surface 12b of the to-be-laminated body 12 contacts the to-be-laminated body mounting surface 11a.
  • the laminated sheet winding roller 14 is disposed in front of the first guide roller 21.
  • the laminated sheet 16 is wound around the laminated sheet winding roller 14.
  • the laminated sheet 16 has a release sheet 17 and a semi-cured prepreg sheet 18.
  • the peeling sheet 17 has one surface 17a to which the semi-cured prepreg sheet 18 is attached, and the other surface 17b disposed on the opposite side of the one surface 17a and pressed by a first roller 52 described later.
  • release paper can be used as the release sheet 17.
  • the prepreg sheet 18 has one surface 18 a laminated on the upper surface 12 a of the laminated body 12, and the other surface 18 b disposed on the opposite side of the one surface 18 a and attached to one surface 17 a of the release sheet 17.
  • the prepreg sheet 18 has a fiber sheet (not shown) and a semi-cured resin impregnated in the fiber sheet.
  • a fiber sheet glass cloth, carbon fiber, etc. can be used, for example.
  • thermosetting resin As resin which comprises the prepreg sheet 18, the thermosetting resin made into the semi-hardened state, an ultraviolet curable resin, etc. can be used, for example.
  • an acrylic resin, a urea resin, a melamine resin, a phenol resin, an epoxy resin, unsaturated polyester, an alkyd resin, a urethane resin, evonite etc. can be used, for example.
  • the first guide roller 21 is disposed between the laminated sheet winding roller 14 and the laminated sheet feeding unit 23.
  • the roller surface of the first guide roller 21 is in contact with one surface 18 a of the prepreg sheet 18.
  • the first guide roller 21 is a roller for guiding the laminated sheet 16 drawn from the laminated sheet winding roller 14 between a first feeding roller 43 and a second feeding roller 44 described later. .
  • the laminated sheet feeding unit 23 is disposed between the first guide roller 21 and the cutter 24.
  • the laminated sheet feeding unit 23 includes a feeding unit main body 42, a first feeding roller 43, and a second feeding roller 44.
  • the feed unit main body 42 incorporates a rotary drive unit for independently rotating each of the first and second feed rollers 43 and 44.
  • the feed unit main body 42 rotatably supports the first and second feed rollers 43 and 44.
  • the first feed roller 43 is disposed immediately below the laminated sheet 16.
  • the roller surface of the first feed roller 43 is in contact with the other surface 17 b of the peeling sheet 17 constituting the laminated sheet 16.
  • the second feed roller 44 is disposed immediately above the laminated sheet 16.
  • the roller surface of the second feed roller 44 is in contact with one surface 18 a of the prepreg sheet 18 constituting the laminated sheet 16.
  • the first and second feed rollers 43 and 44 sandwich the laminated sheet 16 drawn from the laminated sheet winding roller 14. In this state, when the first and second feed rollers 43 and 44 rotate in the direction indicated by the arrow in FIG. 1, the laminated sheet 16 is fed in the B direction. Thereafter, the fed laminated sheet 16 reaches the guide surface 26 a of the first guide member 26.
  • the cutter 24 is disposed at a position at which the laminated sheet 16 located between the laminated sheet feeding unit 23 and the first guide member 26 can be cut.
  • the cutter 24 cuts the laminated sheet 16 to be inserted into a desired length.
  • the first guide member 26 is disposed downstream of the cutter 24.
  • the first guide member 26 has a curved guide surface 26a.
  • the first guide member 26 brings the other surface 17b of the peeling sheet 17 which is fed by the laminated sheet feeding unit 23 into contact with the guide surface 26a so as to be along the curved guide surface 26a.
  • the upper and lower surfaces of the laminated sheet 16 are reversed by guiding the laminated sheet 16 to the
  • one surface 18 a of the prepreg sheet 18 that has been upward at the stage of being fed by the laminated sheet feeding unit 23 becomes downward after passing through the first guide member 26. Therefore, one surface 18 a of the prepreg sheet 18 and the upper surface 12 a of the laminated body 12 face each other.
  • the second guide roller 28 is disposed between the nozzle 48 forming the cooling unit 29 and the first guide member 26.
  • the second guide roller 28 has a roller surface in contact with the other surface 17 b of the peeling sheet 17 constituting the laminated sheet 16.
  • the second guide roller 28 contacts the other surface 17 b of the release sheet 17 constituting the laminated sheet 16 so that the one surface 18 a of the prepreg sheet 18 constituting the laminated sheet 16 approaches the upper surface 12 a of the laminated body 12 As a result, the laminated sheet 16 is guided.
  • the cooling unit 29 includes a cooler 46, a pipe 47, and a nozzle 48.
  • the cooler 46 is a device for cooling air to form cold air.
  • the pipe 47 is connected at one end to the cooler 46 and at the other end to the nozzle 48.
  • the pipe 47 is a line for transporting the cold air to the nozzle 48 by the cooler 46.
  • the nozzle 48 is disposed above the release sheet 17 located in the first area C ⁇ b> 1 of the laminated sheet 16.
  • the nozzle 48 is disposed to be separated from the peeling sheet 17.
  • the nozzle 48 blows cold air onto the release sheet 17 from the other surface 17 b side of the release sheet 17 when the prepreg sheet 18 is attached to the upper surface 12 a of the laminated body 12.
  • the cooling unit 29 configured as described above is disposed in front of the first roller 52 that presses and stacks the semi-cured prepreg sheet 18 on the upper surface 12 a of the stacked body 12, and the first region of the stacked sheet 16 In C1, a temperature gradient (for example, a reference temperature) in which the temperature decreases in the direction from the one surface 18a of the semi-cured prepreg sheet 18 laminated on the upper surface 12a of the laminated body 12 to the other surface 17b of the release sheet 17 Function as a temperature gradient forming portion that forms a temperature gradient (about 1 to 2 ° C.).
  • a temperature gradient for example, a reference temperature
  • a temperature gradient (for example, 1 to 2 with respect to a reference temperature) in which the temperature decreases in the direction from the one surface 18a of the semi-cured prepreg sheet 18 laminated on the upper surface 12a of 12 to the other surface 17b of the release sheet 17
  • the temperature of one surface 18 a side of the semi-cured prepreg sheet 18 is provided by having a cooling unit 29 that cools the release sheet 17 from the other surface 17 b side of the release sheet 17 so as to form a temperature gradient) It is possible to reduce the temperature in the vicinity of the interface between the other surface 18 b of the semi-cured prepreg sheet 18 and the one surface 17 a of the release sheet 17 while suppressing the decrease.
  • the temperature gradient in the portion corresponding to the first region C1 of the laminated sheet 16, for example, as compared with the case where the temperature gradient is formed in the laminated sheet 16 by line contact using a roller. It is possible to further suppress the positional deviation of the laminated body 12 due to the poor removability of the peeling sheet 17.
  • the compactor 31 is configured to be movable in the vertical direction (vertical direction).
  • the compactor 31 has a compactor main body 51, a first roller 52, and a second roller 53.
  • the compactor body 51 rotatably supports the first and second rollers 52 and 53 and incorporates a rotary drive (not shown) for independently rotating the first and second rollers 52 and 53. ing.
  • the first roller 52 is disposed on the front side of the disposition position of the second roller 53.
  • the first roller 52 is arranged to project downward below the lower end of the compactor body 51.
  • the roller surface of the first roller 52 contacts the other surface 17 b of the peeling sheet 17, and the peeling sheet 17 is interposed therebetween.
  • the prepreg sheet 18 is pressed against the upper surface 12 a of the laminated body 12.
  • the prepreg sheet 18 is laminated (pasted) on the upper surface 12 a of the laminated body 12.
  • the second roller 53 is disposed downstream of the position where the first roller 52 is disposed.
  • the second roller 53 is a roller having a diameter smaller than that of the first roller 52.
  • the second roller 53 is a peeling sheet at a position not protruding from the lower end of the compactor body 51 and in a direction in which the peeling sheet 17 is peeled from the semi-cured prepreg sheet 18 laminated on the upper surface 12 a of the laminated body 12 It is arranged at a position where it can guide 17.
  • the second roller 53 is a roller for peeling the peeling sheet 17 from the semi-cured prepreg sheet 18 laminated on the upper surface 12 a of the laminated body 12.
  • the support member 33 is disposed downstream of the compactor 31.
  • the support member 33 is configured to be movable in the vertical direction.
  • the support member 33 incorporates a rotation drive unit (not shown) for rotating the pressing roller 36.
  • the pressing roller 36 is provided on the support member 33 so as to protrude from the lower end of the support member 33.
  • the pressing roller 36 has a roller surface.
  • the roller surface of the pressing roller 36 passes through the first roller 52 and is in contact with the other surface 18 b of the laminated semi-cured prepreg sheet 18.
  • the pressing roller 36 is a roller for pressing the prepreg sheet 18 against the stacked body 12.
  • the second guide member 37 is provided at the upper end of the support member 33.
  • the upper portion of the second guide member 37 has a curved shape.
  • the second guide member 37 has a guide surface 37 a that contacts the one surface 17 a of the release sheet 17 via the second roller 53 and guides the release sheet 17 to the release sheet collecting roller 41 at the top thereof.
  • the peeling sheet collecting roller 41 is disposed downstream of the second guide member 37.
  • the separation sheet collecting roller 41 is a roller for collecting the separation sheet 17 wound around the second guide member 37 by winding it.
  • the prepreg sheet automatic laminating apparatus of the first embodiment in the first area C1 (predetermined area of the first embodiment) of the laminated sheet 16 located in front of the first roller 52, In order to form a temperature gradient in which the temperature is lowered in the direction from the one surface 18 a of the semi-cured prepreg sheet 18 laminated on the upper surface 12 a of the laminate 12 to the other surface 17 b of the release sheet 17, It has the cooling part 29 (temperature gradient formation part) which cools the sheet
  • the above-mentioned temperature gradient in the laminated sheet 16 corresponding to the first region C1 for example, compared to the case where the temperature gradient is formed in the laminated sheet 16 by line contact using a roller, It is possible to further suppress the positional deviation of the laminate 12 due to the poor removability of 17.
  • the cooling unit 29 cold air is used to cool the first region C1.
  • the cooling unit 29 is a prepreg in a semi-cured state. It is not limited to the cooling unit 29 configured as shown in FIG. 1 as long as it can form a temperature gradient that lowers the temperature in the direction from the one surface 18a of the sheet 18 toward the other surface 17b of the release sheet 17. .
  • the stacked body 12 is placed on the stacked body mounting surface 11 a of the stage 11. At this time, the stacked body 12 is disposed such that the stacked body mounting surface 11 a and the lower surface 12 b of the stacked body 12 are in contact with each other.
  • the laminated sheet feeding unit 23 feeds the laminated sheet 16 wound around the laminated sheet winding roller 14 in the B direction. The fed laminated sheet 16 is guided by the guide surface 26 a of the first guide member 26 so that the one surface 18 a of the prepreg sheet 18 faces the upper surface 12 a of the laminated body 12.
  • the release sheet 17 located in the first area C1 is cooled, A temperature gradient is formed such that the temperature is lowered in the direction from the one surface 18 a of the semi-cured prepreg sheet 18 laminated on the upper surface 12 a of the laminated body 12 to the other surface 17 b of the release sheet 17. Thereafter, the laminated sheet 16 including the cooled peeling sheet 17 is fed between the roller surface of the first roller 52 and the upper surface 12 a of the laminated body 12.
  • the other surface 17b of the release sheet 17 of the laminated sheet 16 is pressed by the first roller 52, whereby the laminated sheet 16 is formed on the upper surface 12a of the laminated body 12 composed of one or more semi-cured prepreg sheets.
  • the semi-cured prepreg sheet 18 is laminated (lamination process).
  • the peeling sheet 17 is peeled off from the semi-cured prepreg sheet 18 laminated on the upper surface 12 a of the laminated body 12 by the second roller 53 disposed downstream of the first roller 52 (peeling process) .
  • the laminated sheet 16 of the portion laminated by the first roller 52 is for peeling off from one surface 18 a of the semi-cured prepreg sheet 18 laminated on the upper surface 12 a of the laminated body 12 as described above.
  • a temperature gradient is formed in which the temperature is lowered in the direction toward the other surface 17 b of the sheet 17.
  • the temperature near the interface between the other side 18 b of the semi-cured prepreg sheet 18 and the one side 17 a of the release sheet 17 is reduced. It is possible to
  • the above-mentioned temperature gradient in the laminated sheet 16 corresponding to the first region C1 for example, compared to the case where the temperature gradient is formed in the laminated sheet 16 by line contact using a roller, It is possible to further suppress the positional deviation of the stacked body 12 caused by the difficulty of peeling of 16.
  • the laminated sheet 16 is cut with a desired length (the same length as the laminated body 12) by the cutter 24, and the semi-cured prepreg sheet 18 is laminated so as to cover the upper surface 12a of the laminated body 12. Ru.
  • a laminate 12 and at least one semi-cured prepreg sheet 18 laminated on the laminate 12 are provided, and a semi-cured state is obtained.
  • a prepreg laminate is produced.
  • the semi-cured prepreg sheet 18 constituting the laminated sheet 16 is laminated on the upper surface 12 a of the laminated body 12 composed of one or more semi-cured prepreg sheets.
  • the first region C1 of the laminated sheet 16 located in the front stage of the first roller 52 one surface of the semi-cured prepreg sheet 18 laminated on the upper surface 12a of the laminated body 12
  • a temperature gradient forming step of forming a temperature gradient in which the temperature decreases in the direction from the surface 18 a to the other surface 17 b of the release sheet 17.
  • the temperature gradient in the portion corresponding to the first region C1 of the laminated sheet 16, for example, as compared with the case where the temperature gradient is formed in the laminated sheet 16 by line contact using a roller. It is possible to further suppress the positional deviation of the laminated body 12 due to the poor removability of the peeling sheet 17.
  • FIG. 2 is a view schematically showing a schematic configuration of a prepreg sheet automatic laminating apparatus according to a second embodiment of the present invention.
  • an arrow illustrated between the first heating unit 61 and the prepreg sheet 18 indicates that the first heating unit 61 heats the prepreg sheet 18.
  • the prepreg sheet automatic laminating apparatus 60 of the second embodiment further includes a first heating unit 61 in the configuration of the prepreg sheet automatic laminating apparatus 10 of the first embodiment.
  • the configuration is the same as that of the prepreg sheet automatic laminating apparatus 10 except for the above.
  • the second area C2 shown in FIG. 2 is a part of the predetermined area, and shows an area between the first guide member 26 and the second guide roller 28 (preceding stage of the first area C1). . That is, the predetermined area of the second embodiment is configured of different first and second areas C1 and C2.
  • the first heating portion 61 is disposed to face one surface 18 a of the semi-cured prepreg sheet 18 located in the second region.
  • the first heating unit 61 is disposed apart from one surface 18 a of the prepreg sheet 18.
  • the first heating unit 61 indirectly heats the semi-cured prepreg sheet 18 from the side 18 a of the semi-cured prepreg sheet 18.
  • a heater can be used as the first heating unit 61.
  • the semi-cured state from one side 18 a side of the semi-cured state of the prepreg sheet 18 located in the second area C2 disposed in the front stage of the first area C1 And a first heating unit 61 that heats the prepreg sheet 18.
  • the temperature gradient is such that the temperature decreases in the direction from the one surface 18a of the semi-cured prepreg sheet 18 to the other surface 17b of the release sheet 17 (for example, a temperature gradient of about 1 to 2 ° C. with respect to the reference temperature) Can be formed.
  • a temperature gradient is formed such that the temperature is lowered in the direction from the one surface 18a of the semi-cured prepreg sheet 18 to the other surface 17b of the release sheet 17.
  • the adhesion between the upper surface 12a of the laminated body 12 and the one surface 18a of the semi-cured prepreg sheet 18 can be improved.
  • the prepreg sheet laminating method of the second embodiment using the prepreg sheet automatic laminating apparatus 60 configured as described above is the prepreg sheet 18 in the semi-cured state positioned in the second region C2 in the temperature gradient forming step. It can carry out by the method similar to the prepreg sheet lamination method of a 1st embodiment except heating the prepreg sheet 18 made into the semi-hardened state from the one side 18a side.
  • the first heating unit 61 may be disposed to heat the prepreg sheet 18 located (in other words, to make the first area C1 and the second area C2 coincide). Also in this case, the same effect as that of the prepreg sheet automatic laminating device 60 of the second embodiment can be obtained.
  • FIG. 3 is a view schematically showing a schematic configuration of a prepreg sheet automatic laminating apparatus according to a third embodiment of the present invention.
  • an arrow illustrated between the second heating unit 71 and the stacked body 12 indicates that the second heating unit 71 heats the stacked body 12.
  • the prepreg sheet automatic laminating apparatus 70 of the third embodiment further includes a second heating unit 71 in the configuration of the prepreg sheet automatic laminating apparatus 10 of the first embodiment.
  • the configuration is the same as that of the prepreg sheet automatic laminating apparatus 10 except for the above.
  • the second heating unit 71 is disposed to face the upper surface 12 a of the stacked body 12 so as to be able to heat the stacked body 12 positioned in the front stage of the first roller 52.
  • the second heating unit 71 is disposed apart from the upper surface 12 a of the stacked body 12.
  • the second heating unit 71 indirectly heats the stacked body 12 from the side of the top surface 12 a of the stacked body 12.
  • a heater can be used as the second heating unit 71.
  • the upper surface of the laminated body 12 can be obtained by having the second heating unit 71 that heats the laminated body 12 positioned in the front stage of the first roller 52.
  • the adhesion between 12 a and one surface 18 a of the semi-cured prepreg sheet 18 can be improved.
  • the prepreg sheet automatic laminating apparatus 70 of the third embodiment configured as described above can obtain the same effect as the prepreg sheet automatic laminating apparatus 10 of the first embodiment.
  • the laminated body 12 positioned in front of the first roller 52 is heated. It can carry out by the method similar to the prepreg sheet lamination method of 1st Embodiment except that.
  • the automatic prepreg sheet laminating apparatus 70 of the third embodiment may have the first heating unit 61 described in the second embodiment.
  • the present invention can be applied to a prepreg sheet automatic laminating apparatus and a prepreg sheet laminating method for forming a prepreg laminate in which a plurality of prepreg sheets are laminated by laminating a plurality of prepreg sheets in which a fiber sheet is impregnated with a resin.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Robotics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Reinforced Plastic Materials (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
PCT/JP2014/079355 2013-11-06 2014-11-05 プリプレグシート自動積層装置、及びプリプレグシート積層方法 Ceased WO2015068734A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BR112016007532A BR112016007532A2 (pt) 2013-11-06 2014-11-05 dispositivo para sobrepor automaticamente lâminas prepreg e método para sobrepor lâminas prepreg
CN201480055558.8A CN105612045B (zh) 2013-11-06 2014-11-05 预浸片材自动叠层装置以及预浸片材叠层方法
EP14860804.5A EP3042754B1 (en) 2013-11-06 2014-11-05 Device for automatically layering prepreg sheets and method for layering prepreg sheets
US15/026,489 US9993979B2 (en) 2013-11-06 2014-11-05 Device for automatically layering prepreg sheets and method for layering prepreg sheets
CA2926333A CA2926333C (en) 2013-11-06 2014-11-05 Device for automatically layering prepreg sheets and method for layering prepreg sheets

Applications Claiming Priority (2)

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JP2013230373A JP6288495B2 (ja) 2013-11-06 2013-11-06 プリプレグシート自動積層装置、及びプリプレグシート積層方法
JP2013-230373 2013-11-06

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US (1) US9993979B2 (enExample)
EP (1) EP3042754B1 (enExample)
JP (1) JP6288495B2 (enExample)
CN (1) CN105612045B (enExample)
BR (1) BR112016007532A2 (enExample)
CA (1) CA2926333C (enExample)
WO (1) WO2015068734A1 (enExample)

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KR102087409B1 (ko) * 2015-11-11 2020-03-11 주식회사 엘지화학 프리프레그, 이를 이용한 복합재 및 이의 제조 방법
TWI645950B (zh) * 2017-12-29 2019-01-01 宏茂科技股份有限公司 Method for removing semi-cured resin
KR102124532B1 (ko) * 2018-10-02 2020-06-18 주식회사 무창에프엔지 에어식 필름 부착장치
JP2020132360A (ja) * 2019-02-20 2020-08-31 三菱重工業株式会社 スプライス装置、及び複合材自動積層装置
EP3974181A1 (en) 2020-09-28 2022-03-30 Kuraray Europe GmbH Composite films with an obscuration area

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BR112016007532A2 (pt) 2017-08-01
JP6288495B2 (ja) 2018-03-07
US9993979B2 (en) 2018-06-12
EP3042754B1 (en) 2020-10-07
EP3042754A4 (en) 2016-11-02
CA2926333A1 (en) 2015-05-14
CN105612045A (zh) 2016-05-25
EP3042754A1 (en) 2016-07-13
CA2926333C (en) 2018-01-02
JP2015089647A (ja) 2015-05-11
CN105612045B (zh) 2017-09-29
US20160243769A1 (en) 2016-08-25

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