JPH0614985Y2 - Mold for interior substrate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a molding die for an interior base material. More specifically, the molding die includes a lower mold and an upper mold matched with the lower mold. A clip base in which an opening for inserting a clip member is formed in is inserted, and a synthetic resin material is injected between a lower die and an upper die to form an interior base material integrally with the clip base. Regarding the mold.

[Conventional technology]

Conventionally, an interior material such as a door trim or a molded ceiling of a vehicle is formed from an interior base material and a skin material covering the surface side of the interior base material, and the interior material is attached by a clip base and a clip member. It is known to use a clip for attachment.

As shown in FIGS. 5 (A) and 5 (B), the mounting clip 1 has a clip base 2 having a central portion protruding upward to form a locking portion 3. The clip member 6 is inserted into the opening 4 for inserting the clip member 6 formed in the locking portion 3, the brim portion 6b of the clip member 6 is locked inside the locking portion 3, and then the upper end of the clip member 6 is inserted. The wedge-shaped portion 6a is locked in a locking hole 8 formed in the door inner panel 7 or the like as the mounted portion.

Then, the clip base 2 is fixed to an interior base material 9a such as a door trim 9 as an interior material by hammering or the like, or is inserted into the upper die 11 side of the molding die 10 at the time of molding the interior base material 9a. It is designed so that it can be integrally attached to. At this time, both ends of the clip base 2 are subjected to burring processing so as to be firmly integrated with the interior base material 9a. A skin material 9b is joined to the surface side of the interior base material 9a.

[Problems to be solved by the device]

However, when the clip base 2 is inserted into the molding die 10 to be integrated when molding the interior base material 9a, as shown in FIG.
As shown in (C), there is a drawback that a synthetic resin material such as urethane for molding the interior base material 9a enters the inside of the locking portion 3 through the opening 4 and it becomes difficult to insert the brim portion 6b of the clip member 6. Had.

Further, as shown in FIG. 5 (D), when the concave portion 14 is formed in the upper mold 11 and the interior base material 9a is molded with the locking portion 3 of the clip base 2 fitted in the concave portion 14, Although it is possible to prevent the synthetic resin material from entering through the opening 4 of the above, it is not possible to prevent the synthetic resin material from entering through the opening 4 at the side portion, and when the height of the recess 14 is formed to be large. Had a drawback that a space was generated between the door inner panel 7 and the interior base material 9a, which made it difficult to obtain a good mounting state.

The purpose of the present invention is that the clip base can be integrally attached at the time of molding the interior base material, the synthetic resin material can be prevented from entering through the opening of the clip base, and there is still a space between the panel and the interior base material. The present invention provides a mold for an interior base material, which can prevent the occurrence of the occurrence.

[Means for Solving the Problems]

The present invention has been made in view of the above-described problems, and a clip base having an opening for inserting a clip member is inserted into a molding die including a lower die and an upper die that is fitted to the lower die. In a mold for an interior base material in which a synthetic resin material is injected between a lower mold and an upper mold to mold an interior base material integrally with the clip base, a clip base of the molding base is attached to a mounting portion of the clip base. It is characterized in that a projecting portion that covers the opening is formed.

[Action]

According to the present invention, since the projecting portion that covers the opening of the clip base is formed on the mounting portion of the clip base of the molding die, the synthetic resin material penetrates into the inside of the clip base through the opening when molding the interior base material. There is no risk of causing the clip base to project outward from the back surface side of the interior base material, and there is no risk of creating a space between the interior base material and the panel that is the mounted portion. The clip base can be positioned and attached to the protruding portion, there is no risk that the mounting direction of the clip base will be wrong, and the clip base can be fully inserted inside the interior base material, and the mounting strength can be improved. It can be improved.

〔Example〕

Hereinafter, a mold for an interior base material according to the present invention will be described in detail with reference to the drawings.

1 to 4 respectively show the outline of an embodiment in which the present invention is applied to molding a door trim of a vehicle or the like. The door trim 31 as an interior material includes an interior base material 32 formed of a synthetic resin material such as urethane, and the interior base material 3
It is formed in a predetermined shape from the skin material 33 joined to the front surface side (the interior side of the vehicle) of No. 2. The skin material 33 is composed of a skin 34 made of cloth on the front surface side, a synthetic resin sheet or the like, and a cushioning material 35 made of urethane foam or the like bonded to the back surface side of the skin 34. The skin material 33 made of a material may be used.

As shown in FIG. 4, a door inner panel 22 is fixed to the inside of a door panel 21 of a vehicle or the like as an attached portion,
The door inner panel 22 is provided with a plurality of locking holes 22a, and the wedge-shaped portions 43a of the clip member 43 of the mounting clip 36 are locked in the locking holes 22a. The wedge-shaped portion 43a at the upper end of the clip member 43 is locked in the locking hole 22a as shown in FIG. 4, and the brim portion 43b at the lower end is locked in the locking portion 38 of the clip base 37 described later. Has been done.

As shown in FIG. 1, the clip base 37 is composed of a box-shaped clip locking part 38 formed in the upper part of the central part, and a plate-like body 39 formed under the locking part 38. There is. Openings 40 are formed in the side surface and the upper surface of the locking portion 38, and the flange portion 43b of the clip member 43 is inserted through the opening 40a of the belt-shaped side surface, and the opening 40b of the lock hole-shaped upper surface portion. From the small circular opening of the wedge-shaped portion 43a
Are projected upward. The opening 4
0a and 40b are formed in a communicating state. Further, the opening 40a on the side surface is omitted, the opening 40b on the upper surface is formed into two continuous openings of large and small dharma shape, and the brim portion 43b is inserted from the large opening and moved to the small opening side. It may be one.

The molding die 51 for the interior base material 32 includes a lower die 52 and the lower die 52.
And an upper mold 53 which is fitted to the upper mold 53, and the clip base 3 is attached to the mounting portion of the clip base 37 on the molding surface side of the upper mold 53.
A projecting portion 55 is formed to cover the opening 40 of No. 7. The projecting portion 55 is the locking portion 38 of the clip base 37.
Plate-like protrusion 55a covering the opening 40a of the side surface of the
And a lock-hole-shaped protrusion 5 that covers the opening 40b on the upper surface.
And 5b.

FIG. 3 shows a different embodiment of the protrusion 55 formed on the upper die 53. The protrusion 55 is a plate that covers the opening 40a on the side surface of the engaging portion 38 of the clip base 37. And a frame-shaped projecting portion 55c that fits the outer peripheral edge of the upper end of the locking portion 38. The frame-shaped projecting portion 55c forms an opening 40 in the upper surface.
The synthetic resin material does not penetrate from b.

The clip base 3 does not have the opening 40a on the side surface.
When using No. 7, the plate-like protrusion 55a can be omitted. Further, in this embodiment, the protrusion 55 is formed on the upper mold 53, but it may be formed on the lower mold 52. Further, the protrusion 55 can be formed in combination with the recess 14 shown in FIG. 5 (D).

In such a configuration, the clip base 37 is attached to the projection 55 formed on the upper die 53 of the molding die 51.
When the opening 40 of the engaging portion 38 of is covered with the protrusion 55, the polyurethane is used for molding the interior base material 32.
By injecting a synthetic resin material such as polyethylene or polypropylene into the lower mold 52 of the molding mold 51 and molding the upper mold 53 by molding, the clip base 37 can be attached integrally with the interior base material 32 in an embedded state. . When the upper die 53 is opened upward after the inner base material 32 is molded, the projecting portion 55 of the upper die 53 is removed from the engaging portion 38 of the clip base 37.

Therefore, as shown in FIG.
After forming the door trim 31 as the interior material, the brim portion 43b of the clip member 43 is locked inside the locking portion 38 of the clip base 37, and the wedge-shaped portion 43a is locked in the door inner panel 22. The door trim 31 as an interior material can be attached to a predetermined position by locking the door trim 31 with the door 22a. In addition, when the interior base material 32 is molded, the skin material 33
Is previously arranged in the lower mold 52 to mold the interior base material 32,
The interior base material 32 and the skin material 33 can be integrally formed.

[Effect of device]

The above is the configuration of one embodiment of the molding die for the interior base material according to the present invention. According to such a construction, the mounting portion of the clip base of the molding die is provided with the protruding portion that covers the opening of the clip base. Since it is formed, it is possible to prevent the synthetic resin material from entering the inside of the clip base through the opening when the interior base material is molded, and there is no fear that the clip base is projected outward from the rear surface side of the interior base material. There is no risk of creating a space between the interior base material and the panel that is the mounted portion, and the clip base can be positioned and mounted on the protruding portion, so that there is no risk of mistakenly mounting the clip base. Also, the clip base can be sufficiently inserted into the interior base material, and a molding die for the interior base material capable of improving the mounting strength can be obtained.

[Brief description of drawings]

1 to 3 respectively show a molding die for an interior base material according to the present invention. FIG. 1 is a perspective view of an upper die and a clip base, FIG. 2 is a sectional view of a molding state, and FIG. Is a perspective view showing an embodiment of a different upper mold, FIG. 4 is a sectional view showing a state in which a door trim as an interior material is attached to a door panel, FIG.
(A) ~ (D) shows the conventional clip base, the mounting state of the interior material and the molding die, respectively. Fig. 5 (A) is a perspective view of the clip base, and Fig. 5 (B) is the interior material. Sectional view of the mounted state,
5 (C) and (D) are cross-sectional views of the molding die in the molding state. In the figure, 21 ... Door trim, 22 ... Door inner panel, 22a ... Locking hole, 31 ... Door trim as interior material, 32 ... Interior base material, 33 ... Skin material, 36 ... Mounting clip , 37 ... clip base, 38 ... locking part, 39 ... plate-like body, 40, 40a, 40b ... opening, 43 ... clip member, 43a ... wedge-shaped part, 43b
…… Brim part, 51 …… Molding mold, 52 …… Lower mold, 53 ……
Upper mold, 55, 55a, 55b, 55c ... Projection.

Claims (1)

[Scope of utility model registration request] 1. A clip base having an opening for inserting a clip member is inserted into a molding die consisting of a lower die and an upper die fitted to the lower die, and the clip base is inserted between the lower die and the upper die. In a molding die for an interior base material, in which a synthetic resin material is injected into the interior base material to integrally mold the interior base material with the clip base. A mold for an interior base material, which is characterized in that