WO2017168568A1 - Élément intérieur d'automobile et son procédé de production - Google Patents

Élément intérieur d'automobile et son procédé de production Download PDF

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Publication number
WO2017168568A1
WO2017168568A1 PCT/JP2016/060150 JP2016060150W WO2017168568A1 WO 2017168568 A1 WO2017168568 A1 WO 2017168568A1 JP 2016060150 W JP2016060150 W JP 2016060150W WO 2017168568 A1 WO2017168568 A1 WO 2017168568A1
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WO
WIPO (PCT)
Prior art keywords
skin
core
molding
sun visor
terminal portion
Prior art date
Application number
PCT/JP2016/060150
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English (en)
Japanese (ja)
Inventor
誠 田村谷
佐々木　圭
大野　樹史
有輝 熊澤
Original Assignee
河西工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 河西工業株式会社 filed Critical 河西工業株式会社
Priority to JP2018507884A priority Critical patent/JP6425366B2/ja
Priority to PCT/JP2016/060150 priority patent/WO2017168568A1/fr
Publication of WO2017168568A1 publication Critical patent/WO2017168568A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
    • B60J3/02—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in position

Definitions

  • the present invention relates to an automotive interior part and a method for manufacturing the same.
  • sun visors that block sunlight from the front or side of the driver's or passenger's seats are provided at the ceiling of the passenger compartment of the automobile.
  • a sun visor today forms a sun visor body by joining and fixing two halves made of a resin molded body, as is known, for example, in Patent Document 1. There is something like that.
  • FIG. 7 and 8 show an example of a conventionally known sun visor in which two halves are joined and fixed to form a sun visor body.
  • a sun visor 101 constitutes a sun visor main body 103 by abutting and fixing halves 102A and 102B made of a resin molded body to each other as shown in FIG.
  • an L-shaped rotation shaft 104 is supported on the inner surface side of one half 102A by a bearing holder (not shown), and the sun visor body 103 is rotatably attached to the rotation shaft 104.
  • reference numeral 105 denotes a mirror unit called a vanity mirror used by a passenger to check makeup or appearance in the vehicle.
  • the halves 102A and 102B are formed by molding a resin material alone into a predetermined shape by injection molding or the like as shown in FIG. 9, or predetermined by a resin material by injection molding or the like as shown in FIG.
  • the cores 106A and 106B having shapes are formed, and the outer surfaces of the cores 106A and 106B are encapsulated by the skin 107, respectively.
  • 9 and 10 show enlarged views of a portion corresponding to the enlarged cross section of the E portion in FIG.
  • the halves 102A and 102B are formed by only the resin material as in the sun visor main body 103 shown in FIG. , 108 is generated, and this is seen from the inside of the vehicle and has a problem of poor appearance. Therefore, today, as shown in FIG. 10, the outer surfaces of the cores 106A and 106B are encapsulated by the skin 107, and the corners are rounded by the skin 107 and have a high-class feeling.
  • the sun visor which adopts 103 is the mainstream.
  • the halves 102A and 102B in the sun visor main body 103 shown in FIG. 10 are not shown, the outer surfaces of the cores 106A and 106B are respectively encapsulated by the skin 107 after the cores 106A and 106B are molded by a molding die. It becomes the composition which becomes.
  • the halves 102A and 102B in which the skin 107 and the cores 106A and 106B are integrated in this way are the terminal portions of the skin 107 from the peripheral portions 109b and 109b of the cores 106A and 106B in the halves 102A and 102B. 206 is formed in an extended state.
  • the surplus portion 206a of the terminal portion 206 extending from the peripheral portion 109b of the cores 106A and 106B of the halves 102A and 102B is wound around the end face 109a. Further, the surplus portion 206a is attached to the inner surfaces of the cores 106A and 106B for processing. Thereafter, the end faces 109a and 109a of the cores 106A and 106B are butted against each other through the terminal portion 206, and the core 106A and the core 106B are fixed by means not shown to form the sun visor body 103. Etc.
  • an excess portion 206a of the terminal portion 206 extending from the peripheral portion 109b of the cores 106A and 106B of the halves 102A and 102B Cut at the same position as the end face 109a to be the butted surface and removed as shown in FIG. Thereafter, there is a method in which the butted end faces 109a and 109a of the cores 106A and 106B are butted together, and the core 106A and the core 106B are fixed by means not shown to form the sun visor body 103.
  • the surplus portions 206a of the terminal portions 206 extending from the peripheral portions 109b and 109b of the cores 106A and 106B of the halves 102A and 102B are replaced with the butted end surfaces 109a of the cores 106A and 106B.
  • the process involving wrapping around the 109a side is complicated and cumbersome in the process of wrapping and processing the surplus portion 206a of the terminal unit 206, which also increases the work cost.
  • the surplus portion 206a of the terminal portion 206 extending from the peripheral portion 109b of the cores 106A and 106B of the halves 102A and 102B is positioned at the same position as the butted end surface 109a of the cores 106A and 106B.
  • shrink shrinkage
  • the present invention has been made in view of the above problems, and provides an interior part for an automobile and a method for manufacturing the same that can easily improve the appearance and reduce the cost of the processing of the skin terminal portion at the butted portion.
  • the purpose is to do.
  • the present invention has been proposed in order to achieve the above object, and (1) the present invention forms a main body by butt-joining cores made of resin molded bodies whose outer surfaces are encapsulated by a skin.
  • the cross-sectional V-shaped groove formed at the peripheral edge portion of the core facing the terminal portion of the skin, and the end surface of the terminal portion are formed simultaneously with the core when the core is formed.
  • an automotive interior part comprising: the skin substantially aligned with a line extending outward from the inner surface of the V-shaped groove.
  • the outer peripheral surface of the terminal portion in the epidermis is a first curved surface portion curved outward, and an end surface of the terminal portion curved inward continuously from one end side of the first curved surface portion.
  • the interior part for automobiles according to (1) or (2) having a second curved surface portion communicating therewith is provided.
  • the present invention relates to a manufacturing method of an interior part for an automobile, in which a core part is formed by abutting and joining cores made of a resin molded body whose outer surface is encapsulated by a skin.
  • a terminal portion cutting step of cutting the surplus portion of the portion substantially in line with lines extending outward from the inclined surface.
  • the molding step includes a molding die that forms a cavity with a molding lower mold and a molding upper mold, and after arranging the skin on the molding lower mold, between the molding lower mold and the skin
  • a method of manufacturing an automobile interior part according to (6) is provided, in which a resin material is injected into the cavity toward the surface to form the core encapsulated by the skin.
  • the present invention it is possible to improve the appearance at the abutting portion, and it is easy to process the skin terminal portion at the abutting portion, thereby reducing the cost.
  • FIG. 1 is a front view of an automotive sun visor to which an embodiment of an automotive interior part of the present invention is applied.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG. It is a figure for demonstrating in detail the structure in the part corresponded to the B section of FIG. It is a figure explaining cutting of the surplus part of the terminal part in an epidermis. It is a figure explaining the shaping
  • FIG. It is the C section enlarged view of FIG. It is a front view of the sun visor for cars shown as an example of the conventional interior parts for cars. It is DD sectional drawing in FIG. It is a figure for demonstrating an example of the structure in the part corresponded to the E section of FIG. It is a figure for demonstrating the other example of the structure in the part corresponded to the E section of FIG. It is a figure for demonstrating an example of the processing method of the terminal part of the skin in the conventional sun visor for motor vehicles, (a) is the figure in the middle of cutting the surplus part, (b) is the figure after cutting the surplus part It is.
  • FIG. 1 and FIG. 2 are diagrams showing an embodiment of an automobile interior part of the present invention, and specifically show an automobile sun visor. Therefore, FIG. 1 is a front view of the automobile sun visor, and FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • the sun visor 11 comprises a sun visor main body 13 as a main body part by abutting and joining halves 12A and 12B made of a resin molded body. Then, an L-shaped rotation shaft 14 is supported on the inner surface side of the half member 12A on one side by a bearing holder (not shown), and the sun visor body 13 is rotatably supported on the rotation shaft 14. It has become.
  • reference numeral 15 denotes a mirror unit used by an occupant for checking makeup or appearance in the vehicle, that is, a vanity mirror.
  • Each of the halves 12A and 12B constituting the sun visor body 13 is formed by forming a synthetic resin material into a shell shape by injection molding, and a sun visor core 16 (hereinafter simply referred to as “core 16”) as a resin molded body. And an outer skin 17 encapsulating the outer surface of the core 16. Further, the skin 17 of each of the halves 12A and 12B is integrated with the core 16 by being placed in a molding die and molded simultaneously with each core 16 when the respective cores 16 are resin-molded. It is arranged in a state of being encapsulated on the surface of the core 16.
  • the core 16 is preferably a foam molded body that is lightweight and has an appropriate shape retention, such as a PP bead foam molded body, a PE bead foam molded body, a PS bead foam molded body, a polyurethane foam molded body, and the like. , TPO resin, PVC resin or the like.
  • the skin 17 is made of a laminated sheet material or PPF resin in which a cushioning material such as polyurethane foam is lined on the back of the cloth in consideration of touch feeling, decorativeness, and the like.
  • the core 16 is formed as a sun visor main body 13 by abutting the end surfaces 18 to each other and fixing between the halves 12A and 12B by means not shown.
  • the end surface 18 is formed with a horizontal surface 18a and an inclined surface 18b that extends from the inner side to the outer side at an angle ⁇ continuously from the outer peripheral end of the horizontal surface 18a.
  • Each core 16 is abutted between the horizontal surface 18a and the horizontal surface 18a, and a groove having a V-shaped cross section between the inclined surfaces 18b and 18b, that is, a cross-sectional V-shaped groove 19 (hereinafter simply referred to as “V”). Is formed).
  • V-shaped groove 19 is formed over substantially the entire circumference of the sun visor body 13 in this embodiment.
  • the skin 17 that is integrated with each core 16 and encapsulates the outer surface of each core 16 at the time of resin molding of each core 16 has a terminal portion 17A on the peripheral edge portion 16a of each core 16.
  • the terminal portion 17 ⁇ / b> A is formed with a surplus portion 17 ⁇ / b> B extending from the inclined surface 18 b into the V-shaped groove 19 with a margin.
  • the surplus portion 17B is cut by a cutter 26 or the like substantially in line with the inner surface of the V-shaped groove 19, that is, the line 20 extending outward from the inclined surface 18b as shown in FIG.
  • the inclined surface 18b (inner surface) of the V-shaped groove 19 is a flat surface. That is, both inner surfaces (inclined surfaces 18b) of the V-shaped groove 19 are formed as flat surfaces having a predetermined angle ⁇ from the front end (V-shaped front end) of the V-shaped groove 19. Then, when cutting the surplus portion 17B in the terminal portion 17A, cutting is performed by aligning the cutter 26 or the like with the flat surface (inclined surface 18b) so that the cut variation in the terminal portion 17A is reduced.
  • the terminal portion 17A of the outer skin 17 enclosing the peripheral edge portion 16a of each core 16 has a first curved surface portion 21a whose outer peripheral surface is curved outward, and its first A second curved surface portion 21b that is continuously curved inward from one end side of the first curved surface portion 21a and communicates with the end surface 17a of the terminal portion 17A is provided.
  • the reason why the first curved surface portion 21a and the second curved surface portion 21b are provided is that, when a cut variation occurs in the terminal portion 17A of the skin 17 and a skin residue occurs, the skin remaining is the second curved surface portion.
  • the edge feeling is eliminated so as not to be applied to the first curved surface portion 21a that is formed on the outermost surface 21b. That is, the remaining skin is prevented from appearing outside the first curved surface portion 21a, and the remaining skin is hidden from the outside to improve the appearance. Further, by preventing the remaining skin from covering the outermost first curved surface portion 21a, the edge feeling is eliminated and the tactile feeling is improved.
  • the inclination ⁇ of the inclined surface 18b of each core 16 is about 20 ° with respect to the reference line S passing through the tip of the V-shaped groove 19.
  • the length N of the surface 18b is about 0.1 mm or larger and 3.0 mm or smaller, that is, (0.1 mm ⁇ N ⁇ 3.0 mm).
  • the sun visor 11 of this embodiment is manufactured through the molding step (I) and the terminal portion cutting step (II).
  • the molding step (I) an inclined surface 18b that spreads from the inner side toward the outer side at a predetermined angle ⁇ is provided at a portion of the peripheral edge portion 16a of the core 16 that faces the terminal portion 17A of the outer skin 17 so that the core 16 is covered with the outer skin.
  • the terminal section cutting step (II) an excessive portion 17B of the terminal portion 17A extending from the inclined surface 18b of the core 16 into the V-shaped groove 19 is extended outward from the inclined surface 18b. Cutting is performed almost in line with the line 20 to be cut.
  • the molding die 22 includes a molding lower mold 23 and a molding upper mold 24.
  • the skin 17 is set on the molding lower mold 23 in a state where the molding upper mold 24 is released from the molding lower mold 23 as shown in FIG.
  • the upper mold 24 is clamped on the lower mold 23.
  • a cavity 25 is formed between the molding lower mold 23 and the molding upper mold 24.
  • a resin material is injected into the cavity 25 through a liner gate (not shown) provided in the lower molding die 23, and the skin 17 is pressed against the inner surface of the molding upper die 24 with this injection pressure, so that the core 16 and the skin 17 are described above.
  • the core 16 made of a resin molded body whose shape, that is, the outer surface is encapsulated by the skin 17 is molded. In this state, the surplus portion 17B of the skin 17 remains attached.
  • the space between the molding lower mold 23 and the molding upper mold 24 is opened, and the core 16 arranged on the molding lower mold 23, that is, the core 16 whose outer surface is encapsulated by the skin 17 is taken out. Thereby, the work of the molding step (I) is completed.
  • the distance M from the outer edge of the end surface 17a of the terminal portion 17A of the skin 17 to the outer peripheral end of the first curved surface portion 21a is the thickness t of the skin 17
  • the inner surface of the molding upper mold 24 does not interfere with the molding lower mold 23 when the gap between the molding lower mold 23 and the molding upper mold 24 is opened. Molding can be performed without a cavity slide in which a part of the mold 24 or the like is slid in an inclined direction. Therefore, the molding die 22 can be easily manufactured and the cost can be reduced.
  • the process proceeds to the terminal section cutting process (II).
  • the surplus portion 17B of the terminal portion 17A extending from the inclined surface 18b of the core 16 (the inner surface of the V-shaped groove 19) is moved outward from the inclined surface 18b. It is removed by cutting almost in line with the line 20 extending toward the end.
  • the end surface 17a of the terminal portion 17A of the skin 17 is in a state of being substantially aligned with the line 20 extending outward from the inclined surface 18b (the inner surface of the V-shaped groove 19).
  • halves 12A and 12B are formed.
  • the mirror unit 15 is attached to the half body 12B as necessary.
  • an L-shaped rotation shaft 14 is attached to the inner surface side of one half 12A with a bearing holder (not shown), and the halves 12A and 12B are further attached.
  • the horizontal planes 18a and the horizontal planes 18a of the cores 16A and 16B are respectively butted and fixed.
  • the sun visor 11 having the sun visor body 13 provided with the V-shaped groove 19 between the inclined surfaces 18b and 18b is formed.
  • the core 16 is formed of a resin molded body in which the skin 17 is molded simultaneously with the molding of the core 16 and the outer surface is encapsulated by the skin 17. Therefore, the core 16 and the skin 17 are more integrated, and the core 16 and the skin 17 can be prevented from being peeled off.
  • the excess portion 17B of the terminal portion 17A in the skin 17 is cut in accordance with the line 20 extending outward from the inner surface (inclined surface 18b) of the V-shaped groove 19, so that the terminal in the skin 17 Finished flush with the end surface 17a of the portion 17A and the inner surface (inclined surface 18b) of the V-shaped groove 19 in the core 16, more integrated and beautifully finished.
  • the V-shaped groove 19 is provided in the outer periphery of the peripheral portion 16a of the core 16, that is, the mating portion (horizontal surface 18a), it is assumed that the cutting of the surplus portion 17B in the terminal portion 17A is uneven and the skin cut residue is made. However, the remaining skin cut is disposed in the V-shaped groove 19 and absorbed. As a result, the remaining skin cut does not protrude from the outer surface of the sun visor main body 13, so that the appearance and tactile sensation can be improved.
  • the inner surface (inclined surface 18b) of the V-shaped groove 19 in the core 16 is formed as a flat surface, when cutting the surplus portion 17B in the terminal portion 17A, the cutter 26 and the like are aligned with the flat surface (inclined surface 18b). When the cutting is performed, it is possible to stabilize the product by reducing the cut variation in the terminal portion 17A.
  • the outer peripheral surface of the terminal portion 17A in the outer skin 17 includes a first curved surface portion 21a curved outward and a terminal portion 17A curved continuously inward from one end side of the first curved surface portion 21a. Since the second curved surface portion 21b that communicates with the end surface 17a is provided, even when a cut variation occurs in the terminal portion 17A of the skin 17 and a skin residue occurs, the skin residue remains in the second surface. It is made on the curved surface portion 21b. As a result, even if an epidermis residue occurs, the epidermis residue can be hidden from the outside so as not to cover the first curved surface portion 21a positioned at the outermost part, so that the appearance can be improved. At the same time, the tactile sensation is also improved.
  • the distance M from the outer edge of the end surface 17a to the outer peripheral end of the first curved surface portion 21a in the terminal portion 17A is formed to be smaller than the thickness t of the skin 17, the lower molding die 23 and the upper molding die 24 are formed.
  • molding is performed by injecting and filling a resin material into the cavity 25 between them, molding is performed without a cavity slide in which a part of the molding upper mold 24 and the like is slid in an inclined direction in accordance with the mold opening / closing operation. Therefore, the mold structure can be simplified.
  • the sun visor 11 has been described as an example.
  • the sun visor 11 is not limited to the sun visor 11 and can be widely applied to automobile interior parts such as doors, luggage, and trunks. That is, the present invention is not limited to the above-described embodiment, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

La présente invention vise à fournir un élément intérieur d'automobile et un procédé de production de l'élément intérieur, avec lequel il est facile de traiter une partie d'extrémité de couvercle au niveau d'une section aboutée, et avec lequel il est possible d'améliorer les aspects et de réduire les coûts. L'élément intérieur d'automobile, tel qu'un pare-soleil (11) dans lequel des noyaux (16, 16), comprenant chacun un corps moulé en résine avec une surface externe recouverte d'un couvercle (17), sont aboutés ensemble pour former un corps principal (13), comporte une structure comprenant : une rainure en forme de V en coupe transversale (19) formée au niveau d'un site sur des parties de bord (16a) des noyaux (16) qui s'opposent aux parties d'extrémité (17A) des couvercles (17) ; et les couvercles (17) formés simultanément avec les noyaux (16) pendant la formation de noyau (16), une surface d'extrémité respective (17a) de chaque partie d'extrémité (17A) étant disposée de façon à suivre sensiblement une ligne (20) qui s'étend depuis une surface inclinée respective (18b) de la rainure en forme de V (19) vers l'extérieur.
PCT/JP2016/060150 2016-03-29 2016-03-29 Élément intérieur d'automobile et son procédé de production WO2017168568A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018507884A JP6425366B2 (ja) 2016-03-29 2016-03-29 自動車用内装部品及びその製造方法
PCT/JP2016/060150 WO2017168568A1 (fr) 2016-03-29 2016-03-29 Élément intérieur d'automobile et son procédé de production

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PCT/JP2016/060150 WO2017168568A1 (fr) 2016-03-29 2016-03-29 Élément intérieur d'automobile et son procédé de production

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005119404A (ja) * 2003-10-15 2005-05-12 Kasai Kogyo Co Ltd 自動車用内装部品及びその製造方法
JP2015085802A (ja) * 2013-10-30 2015-05-07 河西工業株式会社 車両用内装材
JP2015113000A (ja) * 2013-12-11 2015-06-22 河西工業株式会社 車両用サンバイザ
JP2015112933A (ja) * 2013-12-10 2015-06-22 河西工業株式会社 車両用サンバイザ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005119404A (ja) * 2003-10-15 2005-05-12 Kasai Kogyo Co Ltd 自動車用内装部品及びその製造方法
JP2015085802A (ja) * 2013-10-30 2015-05-07 河西工業株式会社 車両用内装材
JP2015112933A (ja) * 2013-12-10 2015-06-22 河西工業株式会社 車両用サンバイザ
JP2015113000A (ja) * 2013-12-11 2015-06-22 河西工業株式会社 車両用サンバイザ

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JPWO2017168568A1 (ja) 2018-06-28

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