WO2010050101A1 - Moule à injection et procédé pour fabriquer un article moulé en résine mettant en œuvre ledit moule - Google Patents

Moule à injection et procédé pour fabriquer un article moulé en résine mettant en œuvre ledit moule Download PDF

Info

Publication number
WO2010050101A1
WO2010050101A1 PCT/JP2009/003884 JP2009003884W WO2010050101A1 WO 2010050101 A1 WO2010050101 A1 WO 2010050101A1 JP 2009003884 W JP2009003884 W JP 2009003884W WO 2010050101 A1 WO2010050101 A1 WO 2010050101A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
resin
cavity
insert sheet
fixed
Prior art date
Application number
PCT/JP2009/003884
Other languages
English (en)
Japanese (ja)
Inventor
西村剛
Original Assignee
日本写真印刷株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本写真印刷株式会社 filed Critical 日本写真印刷株式会社
Publication of WO2010050101A1 publication Critical patent/WO2010050101A1/fr

Links

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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C2045/1486—Details, accessories and auxiliary operations
    • B29C2045/14901—Coating a sheet-like insert smaller than the dimensions of the adjacent mould wall
    • 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
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1615—The materials being injected at different moulding stations
    • B29C45/162—The materials being injected at different moulding stations using means, e.g. mould parts, for transferring an injected part between moulding stations

Definitions

  • the present invention relates to an injection mold that can be used for manufacturing a resin molded product in which an insert sheet is embedded and having an undercut portion, and a method for manufacturing a resin molded product using the same.
  • the first fixed mold and the movable mold are clamped, the first resin is injected from the first gate to mold the first resin portion, the mold is opened once, and the first resin portion is made the movable mold.
  • the second fixed mold as the fixed mold is slid to the movable mold while being held, the second fixed mold and the movable mold are clamped, the second resin is injected from the second gate, and one of the first resin portions is injected.
  • the second resin portion is molded on the side surface, the mold is opened again, and the resin molded product is taken out from the mold (for example, see Patent Document 1).
  • an insert sheet may be provided between the first resin portion and the second resin portion.
  • the design layer formed on the insert sheet through the first resin part can be visually recognized. It is excellent in aesthetics, such as providing a layer with a sense of depth.
  • the 1st resin part, the insert sheet, and the 2nd resin part are laminated
  • an undercut portion may be formed in the resin molded product, for example, by forming the peripheral portion of the resin molded product in a bent shape on the back side and integrally forming a groove that fits into the casing on the peripheral component.
  • the present invention has been made in view of the above circumstances, and its object is to prevent gate jumping when forming a second resin into an insert sheet, and in addition, to form an undercut portion.
  • the present invention provides a mold for injection molding and a method for producing a resin molded product using the same.
  • the mold for injection molding of the present invention can be used for manufacturing a resin molded product in which an insert sheet is embedded and has an undercut portion.
  • the first characteristic configuration is a movable mold and the movable mold A slide mold that is slidably attached to a mold and forms the undercut portion, and a first mold between the movable mold and the movable mold by clamping the slide mold outwardly to a first position.
  • the first resin is injected so as to form a first resin portion in the first cavity in a state where the first fixed mold forming the cavity and the insert sheet are disposed along the cavity surface of the first fixed mold After the first gate and the insert sheet are fixed to the first resin portion, the movable mold is moved while holding the first resin, and the slide mold is moved inward.
  • a second fixed mold that forms a second cavity between the insert sheet and the slide mold by mold clamping in a state of being slid to the second position, a gate space connected to the second cavity, and the first A second gate from which a second resin is injected so as to form a second resin portion in the two cavities through the gate space, and the insert sheet has a protruding piece protruding outward from the resin molded product.
  • the gate space is configured such that the protruding piece is disposed along the surface of the movable mold when the second cavity is formed.
  • the first characteristic means of the method of manufacturing a resin molded product having an undercut portion and an insert sheet embedded therein using the injection mold of the present invention is characterized in that the protruding piece is formed when the second cavity is formed.
  • Forming the second cavity by clamping the movable mold slid to a position, and passing through the gate space where the projecting piece is disposed from the second gate to the formed second cavity.
  • the second resin is injected to form the second resin portion, and after the insert sheet is fixed to the formed second resin portion, the slide mold is moved outward. And a step of sliding the second fixed mold and the movable mold to take out the resin molded product having an undercut portion.
  • the second resin when the second resin is injected, the second resin contacts the insert sheet through the gate space.
  • a portion in the vicinity of the protruding piece in the insert sheet is likely to become high temperature, and the insert sheet is likely to melt.
  • the movable mold and the second fixed mold are clamped while the slide mold attached to the movable mold is placed on the molded product, and the second resin is injected into the second cavity formed by the mold clamping.
  • an undercut portion can be formed in the resin molded product.
  • a second characteristic configuration of the present invention is that the gate space is provided with a recess for accommodating the tip of the protruding piece.
  • the present invention it is possible to avoid the second resin in the gate space from directly hitting the tip of the protruding piece. As a result, it can be prevented that the position of the insert sheet is shifted during the injection of the second resin and the insert sheet is lifted or turned up.
  • a third characteristic configuration of the present invention is that the slide mold and the movable mold are configured such that an edge of the protruding piece is sandwiched between the slide mold and the movable mold when the second cavity is formed. It is in.
  • the edge of the protruding piece is sandwiched between the slide mold and the movable mold, so that the slide mold forming the undercut portion has a function of holding the edge of the protruding piece.
  • a fourth characteristic configuration of the present invention is that a fixing means is provided for fixing the protruding piece to the surface of the movable mold when the second resin is injected.
  • the protruding piece is fixed to the movable surface by the fixing means, it is possible to prevent the insert sheet from being displaced and the insert sheet from being lifted or turned up when the second resin is injected.
  • the contact between the protruding piece and the movable mold can be maintained well, the heat of the insert sheet is surely conducted to the movable mold through the protruding piece. For this reason, melting of the insert sheet can be prevented.
  • a fifth characteristic configuration of the present invention is that a resin flow path connecting the second gate and the gate space is provided, and the resin flow path is formed along the side surface of the slide mold.
  • the communication flow path can be formed using a slide mold that forms an undercut portion. Furthermore, since the runner cooled and solidified in the resin flow path is exposed on the side surface of the slide mold, the runner can be easily cleaned. For this reason, for example, a runner stripper plate is provided between the fixed mold and the movable mold, and it is not necessary to push out the runner stripper plate and remove the runner when the mold is opened.
  • the injection molding die is provided in a two-material molding machine 1.
  • the two-material molding machine 1 includes a fixed platen 11 having a first fixed die 4 and a second fixed die 8, and a pair of movable dies 5, and a turntable 12 that can be withdrawn and rotated.
  • the insert sheet 3 is arranged along the cavity surface of the concave portion 4 b of the first fixed mold 4 by the robot apparatus.
  • the other movable mold 5 (the upper side in FIG. 1) holds the first resin portion 6 and the insert sheet 3 provided on the upper surface of the first resin portion 6.
  • the turntable 12 is moved to the fixed platen 11 side, and the slide mold 10 of the other movable mold 5 is slid from the retracted position to the clamping position, and one (the lower side in FIG. 1) is operated.
  • the movable mold 5 and the first fixed mold 4 are clamped to form the first cavity 2
  • the other movable mold 5 and the second fixed mold 8 are clamped to form the second cavity 7.
  • the first resin portion 6 is formed in the first cavity 2 by simultaneously injecting the first resin as the first resin and injecting the second resin as the second resin.
  • the second resin portion 25 is formed in the second cavity 7.
  • the rotary plate 12 is moved away from the fixed plate 11 and the slide mold 10 of the other movable mold 5 is slid from the holding position to the retracted position, and the movable mold 5 and the first fixed mold 4 are moved.
  • the other movable mold 5 and the second fixed mold 8 are opened.
  • a two-material molded product A (an example of a resin molded product) is taken out from the other movable mold 5.
  • the turntable 12 is rotated 180 degrees, the turntable 12 and the fixed platen 11 are again clamped, and the above process is repeated, whereby the insert sheet 3 is embedded and a two-material molding having an undercut portion is formed.
  • Article A can be manufactured continuously.
  • the present mold has a first fixed mold 4 and one of the fixed molds 4 that can be clamped to form the first cavity 2 related to the first resin injection. And a movable mold 5.
  • the first fixed mold 4 can hold the insert sheet 3.
  • the insert sheet 3 is configured by forming a pattern layer (not shown) on a base sheet (not shown).
  • the base sheet is made of a material such as a resin sheet such as polyethylene terephthalate (PET), polypropylene (PP), or acrylic (PMMA), a metal foil, glassine paper, coated paper, a cellulosic sheet such as cellophane.
  • the pattern layer is formed of a colored ink containing a resin as a binder and a colorant such as a pigment or dye.
  • Resins used as binders are polyvinyl resin, polyamide (PA) resin, polyester resin, acrylic (PMMA) resin, polyurethane resin, polyvinyl acetal resin, polyester urethane resin, cellulose ester resin, alkyd Examples thereof include resins.
  • the pattern layer is printed on the base sheet by gravure printing, screen printing, offset printing, or the like. When it is desired to express metallic luster as a pattern, the pattern layer is constituted by a metal thin film layer formed by a vacuum deposition method, a sputtering method, an ion plating method, a plating method or the like.
  • the symbol layer is set entirely or partially depending on the symbol to be expressed.
  • a protective layer for protecting the design layer or a functional layer for improving interlayer adhesion may be provided.
  • the insert sheet 3 is arranged along the cavity surface of the concave portion 4b of the first fixed mold 4 by a robot device (not shown), for example.
  • the insert sheet 3 is arranged in a direction in which the surface on which the design layer is formed is fixed to the first resin portion 6. In addition, you may arrange
  • the first cavity 2 is formed between the movable mold 5 and the insert sheet 3.
  • a second fixed mold 8 capable of forming a second cavity 7 for injecting a second resin and the other movable mold 5 are provided.
  • the other movable mold 5 can hold the first resin portion 6 including the insert sheet 3 formed by resin injection of the first material.
  • the second cavity 7 is formed between the insert sheet 3 and the slide mold 10 and the second fixed mold 8.
  • the movable mold 5 is provided in the movable mold 5 in a state of being positioned between the movable mold 5 and the second fixed mold 8 when the movable mold 5 and the second fixed mold 8 are clamped.
  • a slide die 10 is provided which is disposed at a predetermined position with respect to the portion 6 and forms an undercut portion 9 of the two-material molded product A.
  • the first resin and the second resin may be different color resins or different hardness resins. Furthermore, it is good also as resin of a different material.
  • the first resin may be polycarbonate resin, ABS resin, an alloy of polycarbonate resin and ABS resin
  • the second resin may be acrylic (PMMA) resin.
  • the ABS resin is excellent in moldability, so that two-material molding can be performed satisfactorily.
  • the softening temperature of the ABS resin is lower than the softening temperature of the acrylic (PMMA) resin, the presence of the insert sheet 3 can suppress deformation of the ABS resin when the acrylic (PMMA) resin is injected.
  • the first fixed mold 4 is provided with a first gate 13 for injecting a first resin.
  • the first resin injected from the first gate 13 is injected into the first cavity 2 formed between the insert sheet 3 disposed on the cavity surface of the recess 4 b and one movable mold 5.
  • the member 10 arranged on the parting surface 4a of the first fixed mold 4 is a slide mold 10 for forming an undercut of a two-material molded product A described later.
  • the first fixed mold 4 and the second fixed mold 8 are provided with a notch portion 14 for accommodating the slide mold 10.
  • the second fixed mold 8 is provided with a second gate 15 for injecting a second resin.
  • the first resin portion 6 and the insert sheet 3 provided on the upper surface (front surface) of the first resin portion 6 are It is held on the side.
  • a second resin is injected from the second gate 15 into the second cavity 7 formed by the second fixed mold 8, the insert sheet 3, and the slide mold 10.
  • the second fixed mold 8 is attached with a transfer sheet feeding device having an unwinding portion and a winding portion.
  • the second fixed mold 8 includes a frame-shaped clamp that presses the transfer sheet against the second fixed mold 8 side.
  • the movable mold 5 is formed with a substantially rectangular parallelepiped protruding member 22 protruding in the mold clamping direction at each of the four corners. Between adjacent projecting members 22 of the movable mold 5, a plurality of substantially rectangular parallelepiped slide molds 10 surrounding the periphery of the first resin portion 6 are provided.
  • FIG. 13 shows an example provided with, for example, four slide molds 10. Each slide mold 10 is for forming an undercut portion 9. As shown in FIGS. 6 to 8, each slide mold 10 is in a retracted position (first position) separated from the first resin portion 6 and close to the first resin portion 6 as shown in FIGS. 10 to 13.
  • a sliding operation to a clamping position (second position) where the edge of the protruding piece 17 is clamped between the movable mold 5.
  • a protrusion 16 that forms a groove as the undercut portion 9 in the two-material molded product A is formed.
  • an angular pin provided so as to penetrate the slide mold 10
  • a piston cylinder attached to the slide mold 10, or the like can be used.
  • FIG. 5 is a plan view taken along line II in FIG. 3
  • FIG. 6 is a cross-sectional view taken along arrow II in FIG. 5
  • FIG. 7 is a cross-sectional view taken along arrow II-II in FIG.
  • FIG. 8 which is a sectional view taken along the line III-III in FIG. 5
  • two rectangular protruding pieces 17 are formed so as to protrude from the long side on one side of the insert sheet 3.
  • both end portions 17a of one (upper right in FIG. 5) projecting piece 17 and the other (upper left in FIG. 5) projecting piece of the insert sheet 3 17 is clamped and fixed by the movable mold 5 and the first fixed mold 4.
  • a first communication channel 18 for injecting the first resin injected from the first gate 13 into the first cavity 2 in communication is formed.
  • the first communication channel 18 includes a linear first channel portion 18 a formed between the parting surface 5 a of the movable mold 5 and the parting surface 4 a of the first fixed mold 4, and the movable mold 5.
  • a linear second flow path portion 18b formed between the side surface of the convex portion 5b and the side surface of the concave portion 4b of the first fixed mold 4 is provided.
  • the first flow path portion 18a and the second flow path portion 18b are connected in a bent shape.
  • FIG. 9 is a plan view taken along arrow II-II in FIG. 3
  • FIG. 10 is a sectional view taken along arrow II-II in FIG. 9
  • FIG. 11 is a sectional view taken along arrow II in FIG.
  • the insert is made by the movable mold 5 and the second fixed mold 8.
  • Both end portions 17a of one projecting piece 17 in the sheet 3 (lower right in FIG. 9) are sandwiched and fixed, and the other (lower left in FIG. 9) projecting piece 17 is sandwiched and fixed. It is. That is, in one projecting piece 17, as shown in FIGS.
  • both end portions 17a of the projecting piece 17 of the insert sheet 3 are clamped and fixed by the movable mold 5 and the slide mold 10, and FIGS.
  • the movable mold 5 is only in contact with the intermediate portion 17b of the protruding piece 17.
  • the protruding piece 17 of the insert sheet 3 is clamped and fixed by the movable mold 5 and the slide mold 10. For this reason, even if the intermediate portion 17 b of the one protruding piece 17 is not sandwiched between the movable mold 5 and the slide mold 10, the second resin enters the gap between the intermediate portion 17 b and the movable mold 5. There is nothing.
  • a second communication channel 19 is formed for injecting the second resin that is communicated and injected from the second gate 15 into the second cavity 7.
  • the second communication channel 19 includes a linear first channel portion 19a formed between the side surface of the convex portion 5b of the movable mold 5 and the surface 10a of the slide mold 10 on the first resin portion 6 side.
  • the second flow path portion 19b formed between the parting surface 5a of the movable mold 5 and the surface 10b on the movable mold 5 side of the slide mold 10 and bent at a right angle as viewed in the mold clamping direction, and the slide mold 10
  • a third flow path portion 19 c is formed between the side surface and the side surface of the movable mold 5 and communicates the second flow path portion 19 b and the second gate 15.
  • the third flow path portion 19 c is surrounded by the entrance corner portion 20 and the exit corner portion 21 in a state where the slide mold 10 is positioned at the clamping position. It is formed in a bar shape having a rectangular cross section so as to extend in the mold clamping direction by the space.
  • the corner portion 20 is a portion formed by connecting the side surfaces of the adjacent slide molds 10 when the slide molds are located at the clamping positions.
  • the protruding corner portion 21 is a protruding corner portion on the side facing the entering corner portion 20 of the protruding member 22, and a groove 21a having a V-shaped cross section is formed so as to extend in the mold clamping direction.
  • the communication channel 19 can be formed by using the slide mold 10 that forms the undercut portion 9.
  • the runner 23 cooled and solidified in the third flow path portion 19 c becomes the tip of the exit corner 21. Therefore, the runner 23 can be easily removed.
  • the second material when the second material is injected with resin, it is formed between the movable mold 5 and the slide mold 10 as a part of the insert sheet 3 and can contact the movable mold 5.
  • a gate space that can accommodate the intermediate portion 17b of the projecting piece 17 is formed, and a second gate 15 that injects a second resin is injected into the second cavity 7 through the gate space. It is provided at the position. Therefore, the first flow path portion 19a where the intermediate portion 17b of the protruding piece 17 formed on the insert sheet 3 is exposed constitutes the gate space.
  • the second resin is injected through the gate space where the second resin is sandwiched between the protruding piece 17 and the slide mold 10. At this time, even if the heat of the second high-temperature resin is conducted to the protruding piece 17, the heat is diffused to the movable mold 5. For this reason, the insert sheet 3 is not overheated, and the base sheet and the design layer of the insert sheet 3 can be prevented from melting. In addition, since both end portions 17a of the projecting piece 17 of the insert sheet 3 are sandwiched and fixed by the movable mold 5 and the slide mold 10, it is possible to prevent the displacement of the insert sheet 3 when the second material is injected with resin.
  • the contact between the protruding piece 17 and the movable mold 5 is maintained well, and the heat of the insert sheet 3 is conducted to the movable mold 5 through the protruding piece 17.
  • the base sheet and the design layer of the insert sheet 3 can be prevented from melting, and the insert sheet 3 can be prevented from being lifted or turned up, whereby the two-material molded product A can be manufactured satisfactorily.
  • the tip 17c of the protruding piece 17 accommodated in the first flow path portion is connected to the connecting portion R of the first flow path portion 19a and the second flow path portion 19b.
  • a recess 24 is formed so as to retract from the flow of the second resin inside.
  • the concave portion 24 includes an inclined portion 24a on one side and an inclined portion 24b on the other side that have substantially the same inclination as the side surface of the convex portion 5b of the movable mold 5, and has a substantially V-shaped cross-section.
  • the angle formed by the inclined portion 24a and the inclined portion 24b on the other side is configured to be approximately 90 degrees or larger than 90 degrees.
  • the second resin in the second flow path portion 19 b directly hits the tip 17 c of the protruding piece 17.
  • the insert sheet 3 since the first flow path portion 19a is inclined from the second flow path portion 19b, it is possible to further prevent the insert sheet 3 from being lifted or turned up due to the backup of the side surface of the convex portion 5b of the movable mold 5.
  • the insert sheet 3 is provided on the upper surface of the first resin portion 6 formed by the first resin injection, and the second resin injection is performed on the upper surface of the insert sheet 3.
  • a configuration for producing the molded product A is illustrated.
  • the present invention is not limited to such a configuration.
  • the second resin part is injected on the upper surface of the first resin part formed by the first resin injection, and the second resin part is formed.
  • An insert sheet may be provided on the upper surface of the resin portion, and a three-material molded product may be manufactured by injecting a third resin on the upper surface of the insert sheet.
  • the present invention can also be applied to a method of manufacturing a multi-material molded article by injecting multi-material resin.
  • the insert sheet 3 is provided on the upper surface of the first resin portion 6 molded by resin injection of the first material, and the second resin injection is performed on the upper surface of the insert sheet 3.
  • a configuration for producing the molded product A is illustrated.
  • the present invention is not limited to such a configuration.
  • a first resin part provided with an insert sheet is prepared in advance, and resin injection is performed on the first resin part provided with the insert sheet, thereby forming a two-material molded product. May be manufactured.
  • the slide mold 10 and the movable mold 5 are exemplified by the configuration in which the edge of the protruding piece 17 is sandwiched between the slide mold 10 and the movable mold 5 when the second cavity 7 is formed.
  • a fixing means for fixing the piece 17 to the surface of the movable mold 5 may be further provided.
  • a slide piece that is provided in the movable mold 5 and fixes the edge of the protruding piece 17, a suction unit that sucks the protruding piece 17, and the like can be used.
  • the said embodiment has a pair of movable type
  • a two-material molding machine 1 provided with a stationary platen 11 having a mold 8 is illustrated.
  • the present invention is not limited to such a two-material molding machine 1, and has, for example, a first movable plate having a movable mold and capable of moving in and out in the vertical direction, a first fixed mold and a second fixed mold.
  • a two-material molding machine provided with a second movable plate slidable in the horizontal direction, or a movable plate having a movable mold and movable in and out in the horizontal direction, and a first fixed mold and a second fixed mold Are mounted back to back, and may be a two-material molding machine provided with a rotating disk that can rotate about an axis along the vertical direction, and various two-material molding machines are applicable.
  • the third flow path portion 19c has a rectangular cross section due to the space surrounded by the side surfaces of the adjacent slide molds 10, that is, the two side surfaces and the protruding corner portion 21 of the protruding member 22. It is composed of a bar shape.
  • the third flow path portion 19c is a concave groove extending in one of the side surfaces of the protruding member 22 in the mold clamping direction. And may be configured by a space surrounded by one side surface of the slide mold 10 and the concave groove.
  • the runner 23 can be released from the projecting member 22, it may be configured to have a cross-sectional shape other than a rectangle or a shape other than a rod.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Selon l'invention, lorsqu'un article moulé en résine est fabriqué en maintenant une première partie en résine (6) pourvue d’une feuille d'insert (3) sur un moule mobile (5), en serrant le moule mobile (5) et un second moule fixe (8) tout en disposant un moule de coulissement (10) afin de former une partie de contre-dépouille (9) par rapport à la première partie en résine (6), et en injectant une seconde résine entre la feuille d'insert (3) et le second moule fixe (8), une pièce saillante (17) qui fait saillie vers l'extérieur à partir de l'article moulé en résine est formée dans la feuille d'insert (3), et la seconde résine est injectée par le biais d'un espace intercalé entre la pièce saillante (17) et le moule de coulissement (10) tandis que la pièce saillante (17) est en contact avec le moule mobile (5).
PCT/JP2009/003884 2008-10-29 2009-08-12 Moule à injection et procédé pour fabriquer un article moulé en résine mettant en œuvre ledit moule WO2010050101A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008278899A JP2010105253A (ja) 2008-10-29 2008-10-29 射出成形用金型及びこれを用いた樹脂成形品の製造方法
JP2008-278899 2008-10-29

Publications (1)

Publication Number Publication Date
WO2010050101A1 true WO2010050101A1 (fr) 2010-05-06

Family

ID=42128475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/003884 WO2010050101A1 (fr) 2008-10-29 2009-08-12 Moule à injection et procédé pour fabriquer un article moulé en résine mettant en œuvre ledit moule

Country Status (3)

Country Link
JP (1) JP2010105253A (fr)
TW (1) TW201026476A (fr)
WO (1) WO2010050101A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012040799A (ja) * 2010-08-20 2012-03-01 Nissha Printing Co Ltd 樹脂成形装置、及び、樹脂成形方法、及び、多層成形品
FR2989020A1 (fr) * 2012-04-05 2013-10-11 Snecma Procede de fabrication d'une piece epaisse de turbomachine en materiau composite par injection de resine sous pression
WO2014094978A1 (fr) * 2012-12-21 2014-06-26 Ferromatik Milacron Gmbh Procédé de fabrication d'une pièce moulée en matière plastique et machine de moulage par injection
FR3020617A1 (fr) * 2014-04-30 2015-11-06 Faurecia Interieur Ind Procede de fabrication de structures interieures et d'une gamme de structures interieures, ensemble de fabrication correspondant
CN111391252A (zh) * 2020-04-17 2020-07-10 苏州德丽雅塑胶科技有限公司 一种大角度斜二次抽芯塑胶模具结构
CN114750362A (zh) * 2021-12-28 2022-07-15 常州星宇车灯股份有限公司 贯穿式尾灯罩倒装式模具机构及灯罩注塑工艺
FR3137322A1 (fr) * 2022-06-29 2024-01-05 Faurecia Interieur Industrie Procédé et ensemble de fabrication d’une pièce
WO2024083733A1 (fr) * 2022-10-18 2024-04-25 Leonhard Kurz Stiftung & Co. Kg Composant doté d'une construction stratifiée, procédé de production du composant, et moule d'injection pour la production du composant

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5722546B2 (ja) * 2010-03-18 2015-05-20 スタンレー電気株式会社 自動車照明灯のレンズカバー成形用金型および自動車照明灯のレンズカバーの製造方法
TWI490106B (zh) * 2011-08-26 2015-07-01 Arcadyan Technology Corp 射出模具固定裝置
KR101615323B1 (ko) 2015-07-10 2016-04-25 이중재 필름이 내재된 플라스틱 제품 제조 방법
KR101615325B1 (ko) 2015-07-10 2016-04-25 이중재 필름이 내재된 플라스틱 제품 제조 방법
CN107825651A (zh) * 2017-12-14 2018-03-23 显亮(昆山)汽车配件有限公司 直柄防盗钥匙的成型设备
JP7077718B2 (ja) * 2018-03-29 2022-05-31 豊田合成株式会社 電波透過カバー
JP7092976B2 (ja) * 2018-09-28 2022-06-29 豊田合成株式会社 二色成形品の製造方法
TWI723306B (zh) * 2018-12-07 2021-04-01 綠點高新科技股份有限公司 電子裝置殼件及其製造方法及電子裝置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002160256A (ja) * 2000-11-24 2002-06-04 Koito Mfg Co Ltd 合成樹脂製灯具構成部材の表面被膜形成方法および合成樹脂製灯具構成部材
JP2002254469A (ja) * 2000-12-29 2002-09-11 Nokia Corp 補強又は意匠目的コアを有する樹脂射出成形体
JP2002283385A (ja) * 2001-03-23 2002-10-03 Yoshida Industry Co Ltd 合成樹脂製の蓋体
JP2004216643A (ja) * 2003-01-10 2004-08-05 Koito Mfg Co Ltd 車両灯具用樹脂レンズおよびその成形方法
JP2008068527A (ja) * 2006-09-14 2008-03-27 Nippon Plast Co Ltd 樹脂成形品のｒｉｍ成形用成形型並びにｒｉｍ成形方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002160256A (ja) * 2000-11-24 2002-06-04 Koito Mfg Co Ltd 合成樹脂製灯具構成部材の表面被膜形成方法および合成樹脂製灯具構成部材
JP2002254469A (ja) * 2000-12-29 2002-09-11 Nokia Corp 補強又は意匠目的コアを有する樹脂射出成形体
JP2002283385A (ja) * 2001-03-23 2002-10-03 Yoshida Industry Co Ltd 合成樹脂製の蓋体
JP2004216643A (ja) * 2003-01-10 2004-08-05 Koito Mfg Co Ltd 車両灯具用樹脂レンズおよびその成形方法
JP2008068527A (ja) * 2006-09-14 2008-03-27 Nippon Plast Co Ltd 樹脂成形品のｒｉｍ成形用成形型並びにｒｉｍ成形方法

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012040799A (ja) * 2010-08-20 2012-03-01 Nissha Printing Co Ltd 樹脂成形装置、及び、樹脂成形方法、及び、多層成形品
FR2989020A1 (fr) * 2012-04-05 2013-10-11 Snecma Procede de fabrication d'une piece epaisse de turbomachine en materiau composite par injection de resine sous pression
US9512730B2 (en) 2012-04-05 2016-12-06 Snecma Method for manufacturing a turbine engine part by injection of resin under pressure
WO2014094978A1 (fr) * 2012-12-21 2014-06-26 Ferromatik Milacron Gmbh Procédé de fabrication d'une pièce moulée en matière plastique et machine de moulage par injection
US10065348B2 (en) 2012-12-21 2018-09-04 Ferromatik Milacron Gmbh Injection-molding machine
FR3020617A1 (fr) * 2014-04-30 2015-11-06 Faurecia Interieur Ind Procede de fabrication de structures interieures et d'une gamme de structures interieures, ensemble de fabrication correspondant
CN111391252A (zh) * 2020-04-17 2020-07-10 苏州德丽雅塑胶科技有限公司 一种大角度斜二次抽芯塑胶模具结构
CN111391252B (zh) * 2020-04-17 2022-02-08 苏州德丽雅塑胶科技有限公司 一种大角度斜二次抽芯塑胶模具结构
CN114750362A (zh) * 2021-12-28 2022-07-15 常州星宇车灯股份有限公司 贯穿式尾灯罩倒装式模具机构及灯罩注塑工艺
FR3137322A1 (fr) * 2022-06-29 2024-01-05 Faurecia Interieur Industrie Procédé et ensemble de fabrication d’une pièce
EP4309870A1 (fr) * 2022-06-29 2024-01-24 Faurecia Intérieur Industrie Procédé et ensemble de fabrication d'une pièce
WO2024083733A1 (fr) * 2022-10-18 2024-04-25 Leonhard Kurz Stiftung & Co. Kg Composant doté d'une construction stratifiée, procédé de production du composant, et moule d'injection pour la production du composant

Also Published As

Publication number Publication date
JP2010105253A (ja) 2010-05-13
TW201026476A (en) 2010-07-16

Similar Documents

Publication Publication Date Title
WO2010050101A1 (fr) Moule à injection et procédé pour fabriquer un article moulé en résine mettant en œuvre ledit moule
EP2509770B1 (fr) Système et procédé permettant de surmouler des pièces en plastique décorées
TWI415545B (zh) 機殼、該機殼的製造方法和用於此機殼之玻璃嵌入成形用模具
RU2410238C2 (ru) Пресс-форма для инжекционного прессования
JP4824128B2 (ja) 多層成形品の製造方法、及び、多層成形品のための金型セット
CA2556560C (fr) Matrice de moulage pour moulage decoratif biface et procede de fabrication d'un produit moule a l'aide d'une telle matrice
US7458793B2 (en) Mold for in-mold decoration
EP0514761B1 (fr) Procédé de moulage par injection, dispositif et moule
EP2275244A1 (fr) Procédé de moulage multicolore, appareil de moulage multicolore et pièce moulée multicolore
JP5217941B2 (ja) 成形部品及び成形部品の製造方法
EP1961542A1 (fr) Moule metallique de decoration simultanee a moulage par injection
JP4669570B1 (ja) シール部材を備えた筐体の製造方法
JP5429978B2 (ja) 多層成形品の製造方法、及び、多層成形品の製造に用いる金型セット
JP5416401B2 (ja) 射出成形用金型及び樹脂成形品の製造方法
WO2015152131A1 (fr) Matrice de moulage par injection et procédé de fabrication de moulage de résine
JP5530857B2 (ja) 樹脂成形装置、及び、樹脂成形方法、及び、多層成形品
WO2011030861A1 (fr) Objet moulé en résine décorative métallique, et processus de production d'objet moulé en résine décorative métallique
JP2005262872A (ja) 成形同時両面加飾用金型および成形同時両面加飾成形品の製造方法
JP5096245B2 (ja) 射出成形用金型及びこれを用いた樹脂成形品の製造方法
JP4429061B2 (ja) 成形同時絵付け用金型
JP5165486B2 (ja) 射出成形用金型及びこれを用いた樹脂成形品の製造方法
JP2006212965A (ja) 合成樹脂製操作パネル及びその製造方法
JP6490906B2 (ja) 遊技板成形用金型および遊技板
JPWO2005095082A1 (ja) ディスク成形用金型、鏡面板及び成形品
JP4346398B2 (ja) 射出成形同時加飾品の製造方法および射出成形同時加飾用金型

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09823218

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09823218

Country of ref document: EP

Kind code of ref document: A1