JP2005238933A - Device and method for fixing skin in interior part body in interior part for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device and a method for reliably fitting a skin in a fixing groove of an interior part body, and forming a fixed pattern without any space in design. <P>SOLUTION: When an interior part body 14 is set to an upper die 11 out of the upper die 11 and a lower die 12 to constitute a forming die 10, a skin 5 to be laminated on one face side of the interior part body 14 is set on the lower die 12, and a part of the skin 5 is fixed in a fixing groove part 6 formed in a center core 4 by a fixing bar 18 installed in the lower die, a part of the skin 5 is fixed into the fixing groove part 6 by the fixing bar 18 to form a fixing pattern 7 without space in design while the fixing groove part 6 is pressed from the other face side of the center core 4 by a fixing groove holding member 19 provided on the upper die 11 side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a molding apparatus and a molding method for embedding a skin material in an interior part body in an interior part for an automobile such as a door trim, a rear side trim, a luggage side trim, and the like.

  Conventionally, a passenger compartment side of an automobile door or the like is beautifully decorated with interior parts. The interior part is decorated with a skin material on the entire surface of the interior part body, which should be called a core material, or a part of the surface, and further, a grained groove is formed in a required part of the interior part body, By embedding a part of the skin material in the groove portion, it is performed to beautify with a grained pattern, and as shown in FIG. There is a case where a grained groove portion is formed in the middle core member 4 of the separate intermediate member 3 which should be called an interior part main body, and a part of the skin material 5 is grained into the grained groove portion to give a grained pattern 7. .

  8 to 10 show examples of interior parts using a conventional inscribed member.

  According to FIGS. 8 to 10, a required part of the interior part main body 1 is mounted with a centering member 3 that should also be referred to as an interior part of the interior part body 1, and the centering member 3 is a centering core material 4. A surface material 5 is laminated on the surface of the material, and a part of the skin material 5 is provided in the wood groove portion 6 formed when the intermediate core material 4 is formed, for example, as shown in FIG. A diagonally grained grain pattern 7 is formed.

Conventionally, in order to form a grained pattern 7 by embedding a part of the skin material 5 into the grained groove portion 6 of the centering core material 4 as described above, the centering core material 4 and the skin are formed using a molding apparatus (not shown). When the material 5 is laminated and molded, as shown in FIG. 11, by setting the centering core material 4 and the skin material 5 on which the wood groove groove 6 is formed in advance to the molding device, and clamping the molding device While laminating the inscribed core material 4 and the skin material 5 and moving the wood grain bar 8 from the skin material 5 side into the wood grain groove portion 6, a part of the skin material 5 is grained into the wood grain groove portion 6, A textured pattern 7 was formed (for example, Patent Document 1).
Japanese Patent Publication No. 6-37096 (page 2, right column, line 34 to page 3, right column, line 27)

  Then, when forming a grained pattern 7 by embedding a part of the skin material 5 in the grained groove portion 6, in order to bring out an aesthetic appearance for decoration, as shown in FIG. 9 and FIG. It is required to be formed so as not to have any.

  In the above-described conventional technology, in order to form the above-described wood pattern 7 having no gap in design, the groove width of the wood groove portion 6 is narrowed by the relationship between the thickness of the skin material 5 and the groove width dimension of the wood groove portion 6. When set, as shown in FIG. 12, a state in which a part of the skin material 5 is not completely grained in the wood groove groove 6 occurs, and the skin material 5 in use is peeled off from the interior component body 1. There were times when it was.

  In order to correct such a problem, when the groove width dimension of the grained groove 6 is set wide, a part of the skin material 5 is completely grained into the grained groove 6 as shown in FIG. However, the gap S is formed in a state in which the grain is included, and the appearance of the door trim is deteriorated due to the grain pattern provided for decoration.

  Therefore, in view of such points, the present invention can surely cut the skin material into the wood groove groove portion of the interior part body including the inscribed member, and the wood texture pattern formed by this wood texture has no design gaps. An object of the present invention is to provide a molding apparatus and a molding method for embedding a skin material in an interior part main body in an automotive interior material that can be formed as described above.

  In order to achieve the above object, first, a molding apparatus for embedding a skin material into an interior part body in an automobile interior part according to the present invention is used for graining a skin material into a required surface area of the interior part body. A molding apparatus, wherein the molding apparatus is composed of an upper mold and a lower mold, an interior component body is set in one of the upper and lower molds, and one surface side of the interior component body is disposed in the other mold In the case of setting a skin material to be laminated on and placing a part of the skin material into a wood grain groove part previously formed in the interior part main body by a wood grain bar installed in the other mold, the interior on the one mold side Provided with a wood-grooved groove pressing means for pressing the wood-grooved groove from the other surface side of the component main body, with the other surface of the interior part body being pressed by the wood-grooved groove pressing means, It is characterized by forming a grained pattern by embedding a part of the skin material into the grained groove part, and the skin material is applied to the interior part body in the automobile interior part according to the present invention. The molding method for embedding is a molding method for embedding the skin material in a required surface area of the interior component body, and the interior component body is placed in one of the upper mold and the lower mold constituting the molding apparatus. Set the skin material to be laminated on one surface side of the interior part body in the other mold, and part of the skin material was previously formed in the interior part body by the wood grain bar installed in the other mold In the case where a grain is put into the grained groove part, the grained groove part is pressed in the state where the grained groove part is pressed from the other surface side of the interior part body by the grained groove part pressing means provided on the one mold side. It is characterized in that a part of the skin material by bars so as to form a Kimekomi pattern crowded grain in the Kimekomi groove.

  Therefore, with a wood grain bar, when part of the skin material is wood grained into the wood grain groove part on the interior part body side, the wood grain groove part is pressed from the other surface side of the interior part body by the wood grain groove part pressing means provided on one mold side, A part of the skin material is pushed into the grained groove part while the grained groove part is pushed open, and the grained groove part is pushed down by the grained groove part pressing means, so that the skin material is slightly moved to the other mold side and slightly slackened. Then, since the elongation of the skin material and the skin material are grained into the grained groove portion, the skin material is grained to the bottom surface of the grained groove and peeling can be prevented. In addition, when the graining of the skin material is completed, if the graining bar is removed from the graining groove part and the pressing by the graining groove part pressing means is released, the graining groove part will return to the original state from the expanded state, and there will be a design gap in the graining groove part. No wood grain pattern is formed.

  In order to achieve the above object, secondly, a molding apparatus for embedding a skin material in an interior part main body in an automotive interior part according to the present invention is provided with a surface material in a required surface area of the interior part main body. The molding apparatus is composed of an upper mold and a lower mold, and an interior component body is set in one of the upper and lower molds, and one of the interior component bodies is disposed in the other mold. In the case of setting the skin material to be laminated on the surface side of the wood and putting a part of the skin material into the wood grain groove part formed in advance in the interior part body by the wood grain bar installed in the other mold, the one surface side Provided with wood grain groove pressing means for sandwiching and pressing the wood groove groove after the skin material is wood grained from both sides in the width direction, and after removing the wood grain bar from the wood grain groove part, the wood grain groove part pressing means Further, by pressing from both sides in the width direction of the wood grain groove portion, the wood grain groove portion inner surface and the wood grain portion of the skin material are closely fixed to form a wood grain pattern, and The molding method for embedding the skin material in the interior part main body in the interior part for automobile according to the present invention is a molding method for graining the skin material in the required surface area of the interior part main body, and the molding apparatus is Among the upper mold and the lower mold to be configured, the interior part body is set in one mold, the skin material laminated on one surface side of the interior part body is set in the other mold, and installed in the other mold In the case where a part of the skin material is put into a grained groove portion formed in advance in the interior part main body by a graining bar, a part of the skin material is grained on the one surface side, and then the graining -After removing the wood from the grained groove part, the grained groove part is pressed from both sides in the width direction by the grained groove part pressing means so that the inner surface of the grained groove part and the grained part of the skin material are fixed tightly to form a grained pattern It is characterized by that.

  Therefore, after a part of the skin material is grained into the wood groove groove part on the interior part main body side by the wood grain bar, it is pressed from both sides in the width direction by the wood grain groove part pressing means provided on one mold side, and the inside surface of the wood grain groove part and the skin material By closely fixing the grained part, the grained groove width is wide when the skin material is grained, so that the skin material is grained to the bottom of the grained groove part to prevent peeling, and the graining is completed The grain pattern is formed by narrowing the groove width of the grain pattern groove portion so that there is no design gap in the grain pattern. Become.

  In the present invention configured as described above, when the skin material is grained into the grained groove part, the grained groove part is wide so that the skin material can be grained to the bottom of the grained groove part, If peeling is prevented and the graining is completed, the width of the graining groove is narrowed so that there is no design gap in the graining groove, and the graining pattern provided for decoration can contribute to the appearance improvement of the door trim. it can.

  Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings. One embodiment according to the present invention is a case where a separate inscribed member is attached to the interior part main body, which should be called the second interior part main body, and a wood grain pattern by the skin material is applied to the inscribed member. However, it is also possible to employ a grained pattern with a skin material directly on the interior part main body without using an inscribed member, as another embodiment. In the following description, the same reference numerals are assigned to the configurations corresponding to the conventional technology to clarify the correspondence.

  Therefore, in one embodiment according to the present invention, as will be described in detail later, as shown in FIG. 7, the door trim 1 as the interior part main body is configured by mounting an intermediate member 3 on a predetermined surface portion thereof. doing. The inscribed member 3 is configured by laminating a skin material 5 on the inscribed core material 4, and a wood texture pattern 7 is given by embedding a part of the skin material 5 in the wood textured groove portion 6.

  Therefore, a molding apparatus 10 for graining a part of the skin material 5 into the graining groove 6 of the centering core material 4 includes an upper mold 11 and a lower mold 12 as shown in FIGS. Yes.

  The lower mold 12 is fixedly mounted on a pedestal 23 installed on a floor surface 22 of a production factory or the like, and the upper mold 11 is configured to be movable up and down with respect to the lower mold 12 by an elevating device 24. Yes.

  Further, the upper mold 11 has a molding surface 11a formed in a convex shape, and a convex-shaped portion 6a constituting the wood groove groove portion 6 of the preformed intermediate core material 4 is fitted into the molding surface 11a. A plurality of grained groove portions 11b are formed so as to correspond to the number of convex portions 6a.

  A wood grain groove pressing member 19 is inserted into the wood grain forming groove 11b so as to be movable up and down, and the wood grain groove pressing member 19 is pressurized by, for example, a hydraulic device 20 to form a wood grain groove 6 of the centering core material 4 described later. The grain-groove groove pressing means for pressing the top part 6b of the convex-shaped part 6a from outside is configured.

  The lower mold 12 has a concave molding surface 12a. On the molding surface 12a, a wood grain bar raising / lowering groove portion 12b is formed corresponding to the wood grain forming groove portion 11b, and the wood grain bar raising / lowering groove portion 12b has a hydraulic pressure. A wood grain bar 18 that is raised and lowered by a wood grain bar lifting device 21 such as a cylinder is installed.

  The intermediate core material 4 is made of, for example, a thermoplastic composite resin material, and is previously molded into a required shape by another molding apparatus, and the grain groove portion 6 is simultaneously formed in this molding.

  The skin material 5 is configured using a sheet material appropriately selected from cloth such as velvet, jersey tricot, and moquette.

  When the forming apparatus 10 configured as described above is used to laminate and form the intermediate core material 4 and the skin material 5, the skin material 5 is placed on the molding surface 12 a of the lower mold 12 as shown in FIG. 1. In addition, the centering core material 4 having an adhesive applied to the surface is fitted and set on the molding surface 11a of the upper die 11. At this time, the convex portion 6 a constituting the graining groove 6 is inserted into the graining groove 11 b of the upper mold 11, and the top 6 b is in contact with the graining groove pressing member 19.

  Next, from the state shown in FIG. 1, as shown in FIG. 2, a mold clamping process is started for lowering the upper mold 11 by operating the lifting device 24 with respect to the lower mold 12.

  At this time, a cavity is formed by the molding surface 11 a of the upper mold 11 and the molding surface 12 a of the lower mold 12, and the inscribed core material 4 is bonded and laminated to the skin material 5.

  When the main portion in this state is enlarged and drawn, the state shown in FIG. 3 (1) is obtained, and the wood grain bar 18 faces the wood grain groove 6 with the skin material 5 interposed.

  Next, as shown in FIG. 3 (2), the wood groove portion pressing member 19 is pressed by the hydraulic device 20, and the top portion 6 b of the convex portion 6 a in the wood groove portion 6 is pressed in the direction of force F.

  At this time, the top portion 6b on the side of the wood groove portion 6 is pressed in the direction of the force F by the wood groove portion pressing member 19, so that the groove width of the wood groove portion 6 is expanded, and the rear edge of the wood portion 5a of the skin material 5 is the lower die. As a result, the slack portion 5b is formed.

  Next, as shown in FIG. 3 (3), the wood grain bar lifting and lowering device 21 is raised by the wood grain bar lifting device 21 while pressing the top portion 6 b with the wood grain groove pressing member 19, and a part of the skin material 5 is pushed up. Grain is made into the grained groove 6 on the core material 4 side. At this time, the skin material 5 is grained up to the bottom of the slack portion 5b and the stretch wood grain groove portion of the skin material 5 itself.

  Therefore, as shown in FIG. 3 (4), when the wood bar 18 is lowered and the pressure of the wood groove groove pressing member 19 is released, the groove width of the wood groove 6 returns from the expanded state. become.

  As a result, the grain pattern 7 formed by a part of the skin material 5 grained in the grain groove part 6 has a narrow groove width when the graining is completed, and the facing surfaces of the skin material 5 are in close contact with each other. The gap can be filled, and the wood groove portion 6 has no design gap. And when carrying out the graining, since the groove width of the graining groove part is expanded, a part of the skin material 5 can be reliably grained into the graining groove part 6 on the side of the centering core material 4 and in use. The skin material 5 can be prevented from peeling off from the inscribed core material 4.

  4 and 5 are longitudinal cross-sectional views of a main part of a molding apparatus employing another embodiment according to the present invention.

  First, according to FIG. 4, the ceiling surface of the graining groove forming part 11 b on the upper mold 11 side is made into a graining groove part pressing member 19, and the graining groove part pressing member 19 is formed integrally with the upper mold 11. The depth dimension A ′ to the graining groove part pressing member 19 of the graining formation groove part 11b is set smaller than the outer height dimension A of the convex part 6a that forms the graining groove part 6 of the centering core material 4.

  Therefore, from the set state of the centering core material 4 and the skin material 5 shown in FIG. 4 (1) to the state where the mold clamping shown in FIG. 4 (2) is performed, the top portion 6b of the convex-shaped portion 6a is a grain groove groove pressing member. While being held down by 19 and maintaining this state, a part of the skin material 5 is grained into the graining groove 6 on the middle core material 4 side by the graining bar 18 in the same manner as in the above embodiment.

  Further, according to FIG. 5, the wood groove groove pressing member 19 is divided into two vertically and is configured to be movable in the left-right direction by a hydraulic device (not shown) or the like.

  Therefore, in the graining step shown in FIG. 5 (1), the left and right divided pressing members 19a, 19b are opened to form a graining groove 11b having a predetermined width.

  Thereafter, as shown in FIG. 5 (2), the wood grain bar 18 is pulled out from the wood grain part 5a. At this time, since the groove width of the grained groove portion 6 is formed to be somewhat wide in advance, a part of the skin material 15 is completely embedded in the grained groove portion 6 to prevent the skin material 5 from peeling off. However, a slight gap S is formed in the textured pattern 7.

  Therefore, as shown in FIG. 5 (3), by moving the left and right divided pressing members 19a and 19b in the direction of force F ′, the convex shape portion 6a forming the grain groove portion 6 is pressed from both sides in the left and right width direction, The inner surface of the grained groove 6 and the grained part 5a of the skin material 5 are fixed in close contact with each other so that a grained pattern 7 without a design gap is formed in the grained groove 6.

  FIG. 6 shows a modified example of the centering core material 4 that is more suitable when the molding apparatus according to the embodiment shown in FIG. 5 is used.

  According to FIG. 6, the hinge portion 6 d is formed by forming a cut 6 c in the approximate center of the inner surface of the top portion 6 b of the wood-grooved groove portion 6, and the skin material 5 is obtained by making the groove width of the wood-grooved groove portion 6 slightly variable. After the graining, the left and right divided presser members 19a and 19b shown in FIG. 5 are used to compress the convex part 6a that forms the grained groove part 6 so as to reduce the grain. A grained pattern 7 having no grain is formed.

  In the above embodiment, the separate inscribed member 3 is attached to a required portion of the door trim main body 1, and the inscribed member 3 is constituted by the inscribed core material 4 and the skin material 5. In this case, a part of the skin material 5 is carved into the wood-grooving groove 6 to give a wood-grained pattern 7, and in this case, the intermediate member 3 is a further interior part for beautifying the required part of the door trim body 1. However, the present invention is not limited to this, and a grained groove portion is directly formed in a required portion of the door trim body 1, and a skin material laminated on the surface of the door trim body 1 is placed in the grained groove portion. In the case where a grained pattern is applied, and the door trim body 1 is pre-integrated with the core material and the skin material, and the decorative material corresponding to the skin material of the present invention is placed in the grained groove of the door trim body 1 Applicable to wood grain patterns It is clear that can also present invention in addition to being applied to such door trim body 1, a rear side trim, cases can be considered to apply to the interior parts of the luggage side trim and the like.

  As described above, the present invention allows the skin material to be grained to the bottom surface of the wood grain groove portion when the skin material is wood grained into the wood grain groove portion because the wood grain groove portion is wide. If peeling is prevented and the graining is completed, the width of the graining groove is narrowed so that there is no design gap in the graining groove, and the graining pattern provided for decoration contributes to the improvement of the appearance of the interior parts. Therefore, it is suitable for a molding apparatus and a molding method for embedding a skin material into an interior part body in an interior part for automobiles.

It is the longitudinal cross-sectional view which drawn the mold opening state in the shaping | molding apparatus for putting a skin material into the graining groove part which is embodiment which concerns on this invention. It is the longitudinal cross-sectional view which similarly drawn the clamping state. It is explanatory drawing explaining the action | operation of the shaping | molding apparatus concerning this invention, Comprising: (1) is sectional drawing which expanded and showed the principal part in the mold open state in FIG. 1, (2) The important point in the mold clamping state in FIG. Sectional drawing which expanded and drawn the part, (3) is sectional drawing which shows the principal part of the graining process performed by raising a graining bar from the clamping state in FIG. 2, (4) is the graining process of (3) It is sectional drawing which shows the principal part of the state which pulled out the graining bar from the graining groove part later. It is a principal part longitudinal cross-sectional view of the shaping | molding apparatus which employ | adopted other embodiment which concerns on this invention, (1) has shown the mold open state, (2) has shown the graining process after mold clamping. It is a principal part longitudinal cross-sectional view of the shaping | molding apparatus which employ | adopted further embodiment of this invention, (1) has shown the graining process after mold clamping, (2) is after the graining process of (1) A state in which the graining bar is pulled out is shown, and (3) shows a state in which the graining groove part after pulling out the graining bar in (2) and the graining part of the skin material in the graining groove part are tightly fixed. It is principal part sectional drawing which shows one Embodiment of a centering core material suitable when using the shaping | molding apparatus shown in FIG. It is the perspective view which drew the general door trim. It is AA sectional drawing of FIG. It is a perspective view of the inscribed member removed from the door trim in FIG. It is BB sectional drawing of FIG. It is explanatory drawing which drawn the mold opening state in the conventional shaping | molding apparatus of an inscribed member. FIG. 10 is a cross-sectional view similar to FIG. 9 depicting a main part of an example of an inscribed member formed by a conventional forming apparatus. FIG. 10 is a cross-sectional view similar to FIG. 9 depicting the main part of another example of an inscribed member formed by a conventional forming apparatus.

Explanation of symbols

1 Door trim (interior part body)
DESCRIPTION OF SYMBOLS 3 Centering member 4 Centering core material 5 Skin material 6 Graining groove part 7 Graining pattern 10 Forming apparatus 11 Upper mold | type (one type | mold)
12 Lower mold (the other mold)
18 Wood grain bar 19 Wood grain groove pressing member (wood grain groove pressing means)

Claims (4)

A molding apparatus for placing a skin material on a required surface area of an interior part body. The molding apparatus is composed of an upper mold and a lower mold, and the interior part body is set in one of the upper and lower molds. And setting the skin material to be laminated on one surface side of the interior part main body to the other mold, and forming the grain material in which a part of the skin material is previously formed on the interior part body by the wood grain bar installed on the other mold In the case where the grain is put into the groove, the one side of the mold is provided with a wood-grooved groove pressing means for pressing the wood-grooved groove from the other surface side of the interior part main body, and the other surface of the interior part main body by the wood-grooved groove part pressing means An interior part for an automobile characterized in that a grained pattern is formed by graining a part of the skin material into the grained groove with the grained bar in a state where the grain is pressed. Molding apparatus for writing grain of the skin material to the interior component body that definitive. A molding method for embedding a skin material on a required surface area of an interior component body, wherein the interior component body is set in one of the upper mold and the lower mold constituting the molding apparatus, and the other mold When setting a skin material to be laminated on one surface side of the interior part main body, and placing a part of the skin material into a wood grain groove formed in advance in the interior part body by a wood grain bar installed in the other mold In the state in which the wood groove is pressed from the other surface side of the interior part main body by the wood groove groove pressing means provided on the one mold side, a part of the skin material is placed in the wood groove by the wood bar. A molding method for embedding a skin material in an interior part main body in an interior part for an automobile, characterized in that a grained pattern is formed. A molding apparatus for placing a skin material on a required surface area of an interior part body. The molding apparatus is composed of an upper mold and a lower mold, and the interior part body is set in one of the upper and lower molds. And setting the skin material to be laminated on one surface side of the interior part main body to the other mold, and forming the grain material in which a part of the skin material is previously formed on the interior part body by the wood grain bar installed on the other mold In the case where the grain is put into the groove, the one side of the surface is provided with a wood-grooved groove pressing means for sandwiching and pressing the wood-grooved groove from both sides in the width direction after the skin material is wood-cut, and the wood-meshing bar is moved from the wood-grooved groove. After pulling out, by pressing down from both sides in the width direction of the grained groove by means of pressing in the grained groove part, the inner surface of the grained groove and the grained part of the skin material are fixed tightly to form a grained pattern Molding apparatus for writing grain skin material for interior component body in the automotive interior part, characterized by being configured such that formed. A molding method for embedding a skin material on a required surface area of an interior component body, wherein the interior component body is set in one of the upper mold and the lower mold constituting the molding apparatus, and the other mold When setting a skin material to be laminated on one surface side of the interior part main body, and placing a part of the skin material into a wood grain groove formed in advance in the interior part body by a wood grain bar installed in the other mold A part of the skin material is grained on the one surface side, and then the graining bar is pulled out from the graining groove, and then the graining groove is pressed from both sides in the width direction by the graining groove part pressing means. The inner surface of the interior part of the automobile interior part is characterized by forming a grained pattern by tightly fixing the inner surface of the groove and the grained part of the skin material. Molding method of Mutame.

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