JPS6153014A - Manufacture of trim member for vehicle - Google Patents

Abstract

PURPOSE:To obtain a fitting member high in rigidity by simple work, by molding a surface material into a hollow three-dimensional skin body, injecting a hard foamable resin into the skin body through an opening at the end surface thereof, placing the body into a mold and allowing the resin to foam and set to be integrated with the body. CONSTITUTION:A synthetic resin such as PVC is loaded into molds C1, C2 to be molded into a hollow three-dimensional skin material 1. In the case where the skin material 1 is used for a door arm rest, it is recommendable to form openings 1a, 1a... at an end surface thereof that will abut against a door panel. With the skin material 1 left in the molds, a hard foamable resin 2' is injected via the openings 1a, 1a... into the skin material 1 and is allowed to foam and set. Since the foamed resin layer 2 has a hardness of 100 deg. or more measured by a C-type hardness tester, the produced item can retain its shape without inserting a core, and has enough rigidity and hardness.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method of manufacturing a vehicle equipment member such as a door armrest installed inside a door panel.

Conventional technology Conventionally, vehicle equipment parts such as door armrests, etc.
The facing material is preformed as a hollow three-dimensional film body, and after inserting a core material made of metal material etc. into the inside of the facing material through the opening on the end face, the hardness is about 70" to 80" on the C type hardness tester. It is manufactured by injecting a hard foamed resin into a hollow part and foaming and hardening it in a mold.

Problems to be Solved by the Invention However, in this manufacturing method, the core material is inserted inside the facing material and integrated by resin foaming, so if the facing material has a simple three-dimensional shape, the core material can be easily removed. However, when the shape of the facing material becomes complex due to the diversification of shapes, the shape of the core material also becomes complicated, so insertion becomes extremely time-consuming, or there are cases where the core material cannot be inserted. . In addition, to insert the core material into the facing material, first mold the facing material with a mold, then split the mold, insert the core material inside the facing material, and then fit the facing material into the mold. Since the foamed resin must be injected after the mold is clamped, the reality is that productivity is extremely low because it takes time to split the mold, clamp the mold, etc.

Means for Solving the Problems In the method of manufacturing a vehicle equipment member according to the present invention, the covering material is preformed as a hollow three-dimensional film body, and then hard foamed resin is injected into the inside of the covering material through the opening at the end surface. Then, it is foamed and cured in a mold to integrate it with the facing material.
t'Lrl'6・144.・Function When manufacturing vehicle equipment parts in this way, the hard foamed resin layer can be formed to have sufficient rigidity and strength, and the process is simplified since there is no need to insert a core material. productivity.

Embodiments will now be described with reference to the accompanying drawings.

This vehicle equipment member is used as a door armrest. The facing material 1 is formed in advance as a hollow three-dimensional film body by rotary molding or blow molding using synthetic resin such as PVC, and the resin foam layer 2 that is integrally cured inside the facing material 1 is of C type. It is made of a highly hard foamed resin with a hardness of 100' or more on a hardness meter. As the foamed resin, an azo foamed resin such as hard urethane can be used, and the facing material 1 may be made of a slush molded product such as PVC or the like, which has a soft foamed layer integrally molded on the inner surface.

First, molds C1+C2 are filled with synthetic resin such as PVC to form a hollow three-dimensional covering material l. The covering material 1, in the case of a door armrest, has an opening 1a on the end surface that faces the door panel.

1a... may be provided. After molding the facing material, openings 1a, la... with the facing material 1 inserted in the mold are opened.
Inject a hard foamed resin 2' into the inside of the foamed resin 2.
' is foamed and cured in molds C1* and C2.

At this time, bolt insertion holes 3 can be formed at the same time if the bolts are to be attached later by bolt tightening, etc., but in order to securely tighten the bolts, washers 4 are used.
etc. may be embedded in the foamed resin layer 2.

When manufacturing vehicle equipment parts in this way, foamed resin M2 has a hardness of 100" or more on the C type hardness tester, so it is not only possible to maintain the shape without inserting a core material, but also to ensure sufficient rigidity and strength. In addition, it can be formed into any complex shape without the need to insert a core material, and the process is simple and productivity can be increased. .

Although the illustrated embodiment shows the case of manufacturing a door armrest, the present invention can be widely applied to the manufacturing of headrests, roof side handles, etc.

Effects of the Invention As described above, according to the method for manufacturing a vehicle equipment member according to the present invention, a highly rigid equipment member can be obtained with a simple operation.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a vehicle equipment member manufactured by the method according to the present invention, FIGS. FIG. 1: Covering material, la, la...bow opening, 2. Hardened layer of foamed resin. Figure 2 C San 0 Kyou

Claims (1)

[Claims] It is characterized in that a hard foamed resin is injected into the interior of the facing material, which has been previously molded as a hollow three-dimensional film body, through an opening on the end face, and is foamed and hardened in a mold to be integrated with the facing material. A method for manufacturing vehicle equipment parts.