JP2566216B2 - Vacuum forming mold and interior material manufacturing method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a vacuum forming die for producing an interior material such as an automobile door trim and a method for producing an interior material using the vacuum forming die.

[0002]

2. Description of the Related Art As shown in FIG. 6, for example, an automobile door trim (1) has a base material (2), a skin material (3) attached to the surface of the base material (2), and the skin material. The decorative member (4) is attached to a predetermined portion of (3), or, as shown in FIG. 7, instead of the decorative member (4), a squeezed pattern portion (31) is formed. To manufacture such a door trim (1), a vacuum forming die (5) as shown in FIG. 8 is used. The vacuum mold (5)
Is the upper mold (6) and the lower mold (7), and the upper part (6) has a vacuum hole (8) opened at a predetermined place and the projecting edge (9) is enclosed. (10) is formed.

In order to manufacture the door trim (1) by the vacuum forming die (5), the decoration member (10) surface of the upper die (6) of the vacuum forming die (5) is attached to the decorative member (10). 4) is set by vacuum suction, the base material (2) formed in a predetermined shape is set on the lower die (7) surface, and the heat-softened skin material (3) is placed on the upper die (6) surface. While vacuum forming the skin material (3) into the lower mold
Press the base material (2) set on the surface (7). At this time, a flange portion (4A) is formed on the periphery of the decorative member (4), and the flange portion (4A) is attached to the decorative member of the base material (2) through the skin material (3). Mating groove (2
A) is inserted.

Decorative member (4) by the vacuum forming die (5)
To manufacture the door trim (1) without the
The upper mold (6) of the vacuum forming mold (5) is provided with a drawing pattern on the decorative member mounting portion (10) surface, and the upper mold is not attached to the decorative member (4).
(6) The surface softened skin material (3) is vacuum formed to form a drawn pattern portion (31) at a predetermined position, and the skin material (3) is set on the lower mold (7) surface. Crimp onto material (2).

[0005]

However, the above vacuum forming mold
When manufacturing a door trim (1) without the decorative member (4) attached using (5), decorate the upper mold (6) on the squeezed pattern part (31) of the skin material (3). The vacuum holes (8) opened in the member mounting portion (2B) are not preferable in appearance because of the marks. Further, when the decorative member (4) having a large thickness is attached, the thickness of the decorative member (4) interferes with the base material (2).

[0006]

The present invention provides a base material (2) and a base material (2) as means for solving the above-mentioned conventional problems.
A skin material (3) attached to the surface, and a decorative member (4) or the skin material adhered to a predetermined portion of the skin material (3)
A vacuum forming die (5) for vacuum forming an interior material (1) consisting of a drawn pattern portion (31) formed in a predetermined portion of (3), the vacuum forming die (5) being an upper die (5). 6) and the lower mold (7), and the upper mold (6) is provided with a nesting mold fitting recess (11) at the bottom of which a vacuum hole (8) is opened. A vacuum forming die (5) is provided in which a predetermined insert die (13) is replaceably fitted in a die fitting recess (11).

[0007]

When the interior material (1) with the decorating member (4) is manufactured by the vacuum forming die (5), the inner die fitting recess (11) of the upper die (6) is A decorative member mounting insert mold (13) having a vacuum hole (14) communicating with the fitting recess (11) is fitted, and the insert mold (13)
The decorative member (4) is set on the surface by vacuum adsorption, and the base material (2) is further set on the surface of the lower mold (7). And the upper mold (6)
The surface softened skin material (3) is vacuum formed, and the skin material (3) together with the decorating member (4) is pressure bonded to the base material (2) set on the surface of the lower mold (7). At this time, the insert mold (13) has a thickness corresponding to the thickness of the decorative member (4) such that the thickness of the decorative member (4) does not correspond to the base material (2). select.

In order to manufacture the interior material (1) to which the decorative member is not attached by the vacuum forming die (5), the upper die is used.
(6) The insert die fitting recess (11) is fitted with a drawing insert die (17) having a predetermined drawing pattern (18) on the die surface, and the upper die (6) surface is heated. The softened skin material (3) is vacuum-formed and the skin material (3) is pressure-bonded to the base material (2) set on the surface of the lower mold (7). At this time, a squeezing pattern by the nesting mold (17) on a predetermined part of the skin material (3).
(31) is attached, but since no vacuum hole is opened on the surface of the insert mold (17), no trace of vacuum hole is attached.

[0009]

1 to 3 show a first embodiment of the present invention. The vacuum mold (5) shown in Fig. 1 is the upper mold (6) and the lower mold.
The upper die (6) is provided with a nesting type fitting recess (11) at a predetermined position, and a vacuum hole (8) is opened on the bottom surface of the fitting recess (11). The vacuum hole (8) communicates with a vacuum path (8C) provided with a valve (8B) through a conduction path (8A), and further, a rim ( 12) has been formed.
The upper mold (6) is a porous air-permeable electroforming mold, a ceramic mold, or the like.

Decorative member (4) by the vacuum forming die (5)
When manufacturing a door trim (1) with a mark, insert the decorative member mounting insert die (13) into the fitting recess (11) of the upper die (6) of the vacuum forming die (5). It is fixed by the electromagnet (15) on the side of the fitting recess (11) and the magnetic body (16) on the side of the insert mold (13). The nesting type (1
3) The vacuum hole (8) of the fitting recess (11) is connected to the vacuum hole (1
4) is open, the valve (8B) is opened, and the flange (4A) is formed on the peripheral edge of the insert mold (13) surface through the conduction path (8A) and the vacuum hole (14). The member (4) is set by vacuum suction.

Further, a base material (2) molded into a predetermined shape is set on the surface of the lower mold (7), and a skin material (3) in a heat-softened state is provided between the upper mold (6) and the lower mold (7). Insert the skin into the upper mold (6) surface
Vacuum-mold (3). At this time, the decorative member (4) is attached to the surface of the skin material (3) by an adhesive agent, a hot-melt adhesive agent, fusion bonding or the like. In this state, lower the upper mold (6) and lower
The skin material (3) is pressure-bonded to the base material (2) set on the (7) surface. The skin material (3) is attached to the base material (2) by an adhesive, a hot-melt adhesive, fusion bonding or the like. On this occasion,
The flange part (4A) of the decorative member (4) is the fitting recess (1A) of the upper die (6).
Guided by the ridge (12) of 1), the base material through the skin material (3)
It is fitted into the fitting groove (2A) formed around the decorative member mounting portion (2B) of (2).

Thus, the decorative member as shown in FIG.
A door trim (1) with (4) is manufactured. The decorating member (4) is a hard substrate (4B) made of a hard material such as hard plastic, metal or resin board as shown in FIG. It is composed of a fiber knitted woven fabric, a non-woven fabric, a skin material (4C) made of synthetic leather or the like, and the skin material (3) is made of a thermoplastic resin such as polyamide, polyvinyl chloride or polyester as shown in FIG. Thermoplastic skin material (3A) and thermoplastic resin foam such as polyethylene foam and polypropylene foam (3A)
B) and the base material (2) is resin board, cardboard,
It consists of fiberboard, synthetic resin impregnated polyurethane foam, and the like.

FIG. 4 shows a second embodiment of the present invention. In this embodiment, a door trim (1) to which a decorating member is not attached is manufactured. In this embodiment, a narrowing insert mold (17) having a predetermined narrowing pattern (18) on the mold surface is fitted into the fitting recess (11) of the upper mold (6) of the vacuum forming mold (5). It is fixed by the electromagnet (15) on the side of the fitting recess (11) and the magnetic body (19) on the side of the insert mold (17). The squeezing insert mold (17) is made of a porous air-permeable electroforming mold, a ceramic mold or the like, like the upper mold (6). Then, the heat-softened skin material (3) is vacuum-formed on the surface of the upper mold (6) and the drawn pattern portion (31) is formed at a predetermined portion of the skin material (3), and the same as in the first embodiment. Then, the skin material (3) is pressed onto the surface of the base material (2) set on the surface of the lower mold (7). At this time, the peripheral edge of the squeezed pattern part (31) of the skin material (3) is fitted into the fitting groove (2A) of the base material (2) by the projecting edge (12) of the fitting recess (11) of the upper mold (6). A push-in groove (32) is formed. In this way, the door trim (1) having the diaphragm pattern portion (31) as shown in FIG. 7 is manufactured.

FIG. 5 shows a third embodiment of the present invention. In this embodiment, a door trim (1) to which a decorative member (4) having a large thickness is attached is manufactured. In this embodiment, the decorative member mounting insert having a reduced thickness corresponding to the thickness of the decorative member (4) is inserted into the fitting recess (11) of the upper mold (6) of the vacuum forming mold (5). The child mold (20) is fitted and fixed by the electromagnet (15) on the fitting recess (11) side and the magnetic body (22) on the nesting mold (20) side. A vacuum hole (21) that communicates with the vacuum hole (8) of the fitting recess (11) is opened on the surface of the insert mold (20), and the valve (8B) is opened to open the conduction path (8A) and A thick decorative member (4) in which a flange portion (4A) is formed on the periphery of the insert mold (20) surface through a vacuum hole (21).
Are set by vacuum adsorption, and the upper mold is set in the same manner as in the first embodiment.
(6) The surface softened skin material (3) is vacuum formed, and the decorative member (4) is adhered to the surface of the skin material (3), and the skin material (3) is attached to the lower mold ( 7) Press the base material (2) set on the surface. At this time, since the thickness of the insert mold (20) is reduced corresponding to the thickness of the decorating member (4), the thickness of the decorating member (4) does not interfere with the base material (2). . In this way, a thick decorative member similar to the door trim (1) as shown in FIG.
Door trim (1) with (4) is manufactured.

[0015]

According to the present invention, therefore, an interior material having a decorative member of various thicknesses attached thereto and an interior material having a drawn pattern instead of the decorative member are manufactured by one vacuum forming die.

[Brief description of drawings]

 1 to 3 relate to a first embodiment of the present invention.

FIG. 1 is a sectional view illustrating a manufacturing state.

[FIG. 2] Cross-sectional view of a decorative member

[Fig. 3] Cross-sectional view of skin material

FIG. 4 is a sectional view for explaining the manufacturing state of the second embodiment.

FIG. 5 is a sectional view for explaining the manufacturing state of the third embodiment.

FIG. 6 is a perspective view of a door trim with a decorative member.

FIG. 7 is a perspective view of a door trim with a diaphragm pattern.

FIG. 8 is a sectional view for explaining a manufacturing state of a conventional example.

[Explanation of symbols]

 1 Door trim (interior material) 2 Base material 3 Skin material 31 Drawing pattern portion 4 Decorative member 5 Vacuum forming mold 6 Upper mold 7 Lower mold 8 Vacuum hole 11 Nesting mold fitting recess 13,20 Nesting for mounting decorative member Mold 14,21 Vacuum hole 17 Nested insert type 18 Stroke pattern

Claims (3)

(57) [Claims] 1. A base material, a skin material attached to the surface of the base material, a decorative member adhered to a predetermined portion of the skin material, or a predetermined portion of the skin material. A vacuum forming die for vacuum forming an interior material comprising a drawn pattern portion, the vacuum forming die comprising an upper die and a lower die, and a vacuum die at a predetermined portion of the upper die having a vacuum hole at the bottom. A vacuum forming die characterized in that a fitting recess is provided, and a predetermined nesting mold is replaceably fitted in the nesting fitting recess. 2. The upper die of the vacuum forming die according to claim 1, wherein a nesting die fitting concave portion has a vacuum hole communicating with a vacuum hole of the fitting concave portion, and has a thickness corresponding to a thickness of the decorating member. Fitting a decorative member mounting insert die, setting a decorative member on the insert die, setting a base material on the lower mold surface, and vacuum forming a heat-softened skin material on the upper mold surface. And a method for producing an interior material, characterized in that the skin material is pressure-bonded to the base material set on the lower mold surface together with the decorating member. 3. A draw-in insert mold having a predetermined draw pattern on the mold surface is fitted into the insert mold fitting concave portion of the upper mold of the vacuum mold of claim 1, and a base is provided on the lower mold surface. Characterized in that a material is set, a skin material in a heat-softened state is vacuum formed on the upper mold surface and a drawn pattern portion is formed at a predetermined position, and the skin material is pressure-bonded to a base material set on the lower mold surface. Interior material manufacturing method