JPH05124054A - Manufacture of interior component for automobile - Google Patents
Manufacture of interior component for automobileInfo
- Publication number
- JPH05124054A JPH05124054A JP3287943A JP28794391A JPH05124054A JP H05124054 A JPH05124054 A JP H05124054A JP 3287943 A JP3287943 A JP 3287943A JP 28794391 A JP28794391 A JP 28794391A JP H05124054 A JPH05124054 A JP H05124054A
- Authority
- JP
- Japan
- Prior art keywords
- resin base
- ppo resin
- base material
- press
- ppo
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ＰＰＯ樹脂発泡層と
ＰＰＯ樹脂スキン層との複合体を基材として用いた自動
車用内装部品の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing an automobile interior part using a composite of a PPO resin foam layer and a PPO resin skin layer as a base material.
【０００２】[0002]
【従来の技術】近年開発されたＰＰＯ（ポリフェニレン
オキシドの略）樹脂発泡体は非常に軽量であり、かつ、
優れた剛性，耐熱性を備えていることから、自動車用ル
ーフトリム，自動車用ドアトリム等の自動車用内装部品
の基材として注目されている。2. Description of the Related Art Recently developed PPO (abbreviation of polyphenylene oxide) resin foam is extremely lightweight and
Due to its excellent rigidity and heat resistance, it has attracted attention as a base material for automobile interior parts such as automobile roof trims and automobile door trims.
【０００３】そして、このＰＰＯ樹脂基材を使用して自
動車用ルーフトリムを構成するには、図１２に示すよう
に、ＰＰＯ樹脂基材１の表面側に、ポリウレタンフォー
ム等のパッド材２を裏打ちしたクロス３からなる表皮材
４をホットメルトフィルム５を介して一体化した積層体
が一般的である。In order to construct an automobile roof trim using this PPO resin base material, a pad material 2 such as polyurethane foam is lined on the surface side of the PPO resin base material 1 as shown in FIG. A laminated body in which a skin material 4 made of the cloth 3 is integrated via a hot melt film 5 is generally used.
【０００４】そして、図１２に示す積層体を得るために
は、図１３に示すように、コールドプレス成形用下型６
の型面に、表皮材４を所望のテンションを付与した状態
でセットした後、ＰＰＯ樹脂基材１を所定温度に予熱軟
化したものをその上に載置して、コールドプレス成形用
上型７を下降させて、コールドプレス成形用上下型６，
７の係合圧締めにより、ＰＰＯ樹脂基材１と表皮材４と
を所要形状に一体プレス成形しているのが実情である。Then, in order to obtain the laminated body shown in FIG. 12, as shown in FIG. 13, a lower die 6 for cold press molding is used.
After the skin material 4 is set on the mold surface in a desired tension, the PPO resin base material 1 preheated and softened to a predetermined temperature is placed thereon, and the cold press molding upper mold 7 is placed. And lower the upper and lower molds for cold press molding 6,
It is the actual situation that the PPO resin base material 1 and the skin material 4 are integrally press-molded into a required shape by the engagement pressure tightening of 7.
【０００５】[0005]
【発明が解決しようとする課題】このように、従来のＰ
ＰＯ樹脂基材１を使用した自動車用内装部品の製造方法
によれば、表皮材４をプレス下型６にテンションをかけ
てセットした後、ＰＰＯ樹脂基材１を予熱軟化させて、
表皮材４とＰＰＯ樹脂基材１とをプレス一体化するとい
う構成であるため、ＰＰＯ樹脂基材１が冷め易く、良好
な成形性を確保するためには、ＰＰＯ樹脂基材１の加熱
温度を１３８℃以上に設定する必要があり、かつ、素早
くプレス金型６，７内にセットしなければならず、セッ
ト時間が長引けば、形成シワが生じるなど良好な成形性
が得られないという不具合が指摘されている。As described above, the conventional P
According to the method for manufacturing an automobile interior part using the PO resin base material 1, after the skin material 4 is set on the lower press die 6 with tension, the PPO resin base material 1 is preheated and softened,
Since the skin material 4 and the PPO resin base material 1 are press-integrated, the PPO resin base material 1 is easily cooled, and the heating temperature of the PPO resin base material 1 is set in order to ensure good moldability. It is necessary to set the temperature to 138 ° C. or higher, and it is necessary to quickly set it in the press dies 6 and 7. If the set time is prolonged, wrinkles are formed and good moldability cannot be obtained. It has been pointed out.
【０００６】逆に、ＰＰＯ樹脂基材１の加熱温度を１４
０℃以上に設定した場合には、ＰＰＯ樹脂スキン層１ｂ
がパンクして、パッド材２に凹凸が生じ、表皮材４の表
面に悪影響を及ぼすという問題点が指摘されている。On the contrary, the heating temperature of the PPO resin substrate 1 is set to 14
When set to 0 ° C or higher, PPO resin skin layer 1b
It has been pointed out that the surface of the skin material 4 is adversely affected by the flatness caused by the flatness of the pad material 2.
【０００７】また、表皮材４のセット作業は、適度のテ
ンションを付与する必要があるため、作業性が悪いとい
う欠点も同時に指摘されている。Further, it has been pointed out at the same time that the work of setting the skin material 4 needs to be applied with an appropriate tension, and thus the workability is poor.
【０００８】このように、ＰＰＯ樹脂基材１の予熱条件
は、図１４のグラフに示すように、１３８℃〜１４０℃
のように狭い範囲に限定されているのが実情である。As described above, the preheating condition of the PPO resin base material 1 is 138 ° C. to 140 ° C. as shown in the graph of FIG.
The reality is that it is limited to a narrow range like.
【０００９】よって、従来の自動車用内装部品の製造方
法においては、ＰＰＯ樹脂基材１の予熱条件に大きな制
約を受け、かつ、作業も迅速に行わなければ成形不良が
生じ易いため、工程管理が非常に面倒なものであった。Therefore, in the conventional method for manufacturing an automobile interior part, the preheating conditions of the PPO resin base material 1 are greatly restricted, and if the work is not performed promptly, defective molding tends to occur. It was very troublesome.
【００１０】本発明は、このような事情に鑑みてなされ
たもので、本発明の目的とするところは、ＰＰＯ樹脂基
材を使用した自動車用内装部品のの製造方法において、
ＰＰＯ樹脂基材の予熱工程が簡易に行え、かつ、プレス
金型へのセット時間が長引いても、成形不良が生じるこ
とがなく、工程管理及び成形性に非常に優れた自動車用
内装部品の製造方法を提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for manufacturing an automobile interior part using a PPO resin base material.
Manufacture of interior parts for automobiles that can perform the preheating process of the PPO resin base material easily, and do not cause defective molding even if the setting time in the press die is prolonged, and that has excellent process control and moldability. To provide a method.
【００１１】[0011]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、ＰＰＯ樹脂発泡層の表裏面にＰＰＯ樹脂
スキン層を形成してなるＰＰＯ樹脂基材の表面側に、表
皮材をプレス一体化してなる自動車用内装部品の製造方
法において、前記ＰＰＯ樹脂基材と表皮材とを予めラミ
ネートした積層体をプレヒートする予熱工程と、プレス
金型内に、予熱軟化状態の積層体をセットした後、プレ
ス金型の係合圧締めにより、所要形状に一体成形するプ
レス成形工程と、からなることを特徴とする。In order to achieve the above object, the present invention provides a skin material on the surface side of a PPO resin base material formed by forming a PPO resin skin layer on the front and back surfaces of a PPO resin foam layer. In a method for manufacturing an automobile interior part that is press-integrated, a preheating step of preheating a laminate in which the PPO resin base material and a skin material are preliminarily laminated, and a preheat-softened laminate is set in a press die. After that, a press forming step of integrally forming into a required shape by engaging and pressing the press die is performed.
【００１２】さらに、表皮材としては、良好な表面感触
と、適度の緩衝性を備えていればよく、クロスとパッド
材の積層体、あるいは所要面密度を備えた不織布が好適
であり、不織布を使用する場合には、その面密度は２０
０〜２５０ｇ／ｍ2 が望ましい。Further, as the skin material, it is sufficient that it has a good surface feel and an appropriate cushioning property, and a laminate of cloth and pad material or a nonwoven fabric having a required surface density is suitable. If used, its areal density is 20
0 to 250 g / m 2 is desirable.
【００１３】また、本発明の別態様としては、ＰＰＯ樹
脂基材にパッド材のみを予めラミネートしたものをプレ
ヒートしておき、このラミネート体とクロスとをコール
ドプレス成形により一体化してもよい。As another aspect of the present invention, a PPO resin base material on which only a pad material is preliminarily laminated may be preheated, and the laminated body and the cloth may be integrated by cold press molding.
【００１４】[0014]
【作用】以上の構成から明らかなように、ＰＰＯ樹脂基
材に予めパッド材がラミネートされているため、このパ
ッド材の蓄熱性により、予熱したＰＰＯ樹脂基材は冷め
にくく、予熱温度の管理が非常に容易になる。As apparent from the above construction, since the pad material is preliminarily laminated on the PPO resin base material, it is difficult to cool the preheated PPO resin base material due to the heat storage property of the pad material, and the preheating temperature can be controlled. Very easy.
【００１５】さらに、ＰＰＯ樹脂基材はパッド材の蓄熱
性により冷めにくいため、プレス金型へのセット時間が
長引いても、成形シワ等の成形不良が生じることがな
い。Further, since the PPO resin base material is hard to cool due to the heat storage property of the pad material, molding defects such as molding wrinkles do not occur even if the setting time in the press die is prolonged.
【００１６】さらに、ＰＰＯ樹脂基材と表皮材とをラミ
ネートしたものをプレス金型によりコールドプレス成形
する工法によれば、従来のように表皮材にテンションを
付与してセットするという煩わしい作業が廃止できる。Further, according to the method of cold press molding a laminate of a PPO resin base material and a skin material with a press die, the conventional troublesome work of setting tension on the skin material is eliminated. it can.
【００１７】[0017]
【実施例】以下、本発明による自動車用内装部品の製造
方法の実施例について、添付図面を参照しながら詳細に
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a method for manufacturing an automobile interior part according to the present invention will be described in detail below with reference to the accompanying drawings.
【００１８】図１は、本発明方法を適用して製作した自
動車用ルーフトリムを車室内側から見た斜視図、図２は
同自動車用ルーフトリムの構成を示す断面図、図３は本
発明方法の第１実施例の各工程を示すチャート図、図４
乃至図６は本発明の第１実施例の各工程を示す断面図、
図７は本発明による第１実施例の作用を示すグラフ、図
８は本発明方法の別実施例を示すもので、図２に相当す
る断面図、図９は本発明方法の第２実施例の各工程を示
すチャート図、図１０，図１１は本発明方法の第２実施
例の各工程を示す断面図である。FIG. 1 is a perspective view of an automobile roof trim manufactured by applying the method of the present invention as viewed from the inside of a vehicle, FIG. 2 is a sectional view showing the structure of the automobile roof trim, and FIG. 3 is the present invention. FIG. 4 is a chart showing each step of the first embodiment of the method.
6 to 6 are sectional views showing each step of the first embodiment of the present invention,
7 is a graph showing the operation of the first embodiment according to the present invention, FIG. 8 shows another embodiment of the method of the present invention, a sectional view corresponding to FIG. 2, and FIG. 9 is a second embodiment of the method of the present invention. FIGS. 10 and 11 are sectional views showing the steps of the second embodiment of the method of the present invention.
【００１９】図１，図２において、この自動車用ルーフ
トリム１０は、ＰＰＯ樹脂基材２０と表皮材３０との積
層体から構成されている。1 and 2, the automobile roof trim 10 is composed of a laminated body of a PPO resin base material 20 and a skin material 30.
【００２０】さらに、ＰＰＯ樹脂基材２０は、ＰＰＯ樹
脂発泡層２１の表裏面にＰＰＯ樹脂スキン層２２を積層
形成した構成であり、本実施例中のＰＰＯ樹脂は純真な
ＰＰＯではなく、コスト等を考慮して、ポリスチレンを
加え変性させたものを使用している。Further, the PPO resin base material 20 has a structure in which the PPO resin skin layers 22 are laminated on the front and back surfaces of the PPO resin foam layer 21, and the PPO resin in this embodiment is not pure PPO, and cost etc. Considering the above, polystyrene is used after being modified.
【００２１】さらに、ＰＰＯ樹脂基材２０は、ＰＰＯ樹
脂発泡層２１の目付け量６００ｇ／ｍ 2、ＰＰＯ樹脂ス
キン層２２の厚み０．１５ｍｍのものを使用し、ＰＰＯ
樹脂基材２０のトータル厚み３．５ｍｍのものを、１３
０〜１４０℃に加熱軟化した状態では、このＰＰＯ樹脂
基材２０のトータル厚みは６〜８ｍｍに膨化し、コール
ドプレス成形により、ＰＰＯ樹脂基材２０のトータル厚
みが５ｍｍになるようにプレス成形される。Further, as the PPO resin base material 20, a PPO resin foam layer 21 having a basis weight of 600 g / m 2 and a PPO resin skin layer 22 having a thickness of 0.15 mm is used.
If the total thickness of the resin base material 20 is 3.5 mm,
In the state of being softened by heating at 0 to 140 ° C., the total thickness of the PPO resin base material 20 is expanded to 6 to 8 mm, and the PPO resin base material 20 is press-molded by cold press molding so that the total thickness of the PPO resin base material 20 becomes 5 mm. It
【００２２】一方、表皮材３０の構成は、本実施例で
は、クロス３１（面密度１１０〜１４０ｇ／ｍ2 ）裏面
に２〜３ｍｍの厚みのポリウレタンフォームからなるパ
ッド材３２がラミネートされており、表皮材３０とＰＰ
Ｏ樹脂基材２０との接着性はパッド材３２裏面にウレタ
ン系ホットメルトフィルム等の接着性フィルム３３を介
して行われる。On the other hand, in the present embodiment, the skin material 30 has a cloth 31 (area density of 110 to 140 g / m 2 ) on the back surface of which a pad material 32 made of polyurethane foam having a thickness of 2 to 3 mm is laminated. Skin material 30 and PP
Adhesiveness with the O resin base material 20 is provided on the back surface of the pad material 32 through an adhesive film 33 such as a urethane hot melt film.
【００２３】次いで、図３のチャート図を基に本発明方
法の第１実施例について説明すると、まず、クロス３１
とパッド材３２と接着性フィルム３３とを三層フレーム
ラミネート加工を行なった後、この表皮材３０に大略の
外周カット加工を行い、表皮材３０とＰＰＯ樹脂基材２
０とを仮ラミネート工程において一体化した後、プレヒ
ート工程でＰＰＯ樹脂基材２０を軟化させた状態で両者
を所要形状にコールドプレス成形することにより、図
１，図２に示す自動車用ルーフトリム１０の製作を完了
する。Next, the first embodiment of the method of the present invention will be described with reference to the chart of FIG.
After the three-layer frame laminating process is performed on the pad material 32 and the adhesive film 33, the outer peripheral material 30 is subjected to a rough outer peripheral cutting processing to form the outer peripheral material 30 and the PPO resin base material 2.
0 is integrated in a temporary laminating step, and then the PPO resin base material 20 is softened in a preheating step, and both are cold press-molded into a required shape, whereby the automobile roof trim 10 shown in FIGS. Complete the production of.
【００２４】さらに、図４乃至図６に基づいて詳しく説
明すると、まず、図４に示すように仮ラミネート用プレ
ス金型４０，４１（下型４０、上型４１とする）によ
り、ＰＰＯ樹脂基材２０と、接着性フィルム３３をラミ
ネートした表皮材３０（クロス３１裏面にパッド材３２
がラミネートされたもの）とをその全面あるいは外周の
みをホットプレス加工により仮ラミネートを行う。この
ときのプレス時間は３秒間、金型温度は１５０℃であ
る。Further, the details will be described with reference to FIGS. 4 to 6. First, as shown in FIG. 4, the PPO resin base is formed by the temporary laminating press dies 40 and 41 (lower die 40 and upper die 41). A skin material 30 in which the material 20 and the adhesive film 33 are laminated (a pad material 32 on the back of the cloth 31)
Is laminated) and the entire surface or only the outer periphery thereof is temporarily laminated by hot pressing. At this time, the pressing time is 3 seconds and the mold temperature is 150 ° C.
【００２５】その後、仮ラミネートされたＰＰＯ樹脂基
材２０と表皮材３０との積層体を１３０℃〜１３９℃か
ら選択される広範囲の幅を持つ予熱温度で加熱軟化させ
た後、図５に示すように、コールドプレス成形用下型５
０，コールドプレス成形用上型５１との間で外周をクラ
ンプ装置５２により保持した状態でセットして、図６に
示すように、コールドプレス成形用上下型５０，５１の
係合圧締めにより成形すれば、図１，図２に示す自動車
用ルーフトリム１０の成形が完了する。After that, the laminated body of the temporarily laminated PPO resin substrate 20 and the skin material 30 is heated and softened at a preheating temperature having a wide range selected from 130 ° C. to 139 ° C., and then shown in FIG. So that the cold press lower mold 5
0, the outer periphery is held between the cold press molding upper die 51 and the cold press molding upper die 51 by a clamp device 52, and as shown in FIG. Then, the molding of the automobile roof trim 10 shown in FIGS. 1 and 2 is completed.
【００２６】この図６で示すコールドプレス成形工程に
おいて、ＰＰＯ樹脂基材２０は、パッド材３２によりそ
の一面が保護されており、パッド材３２の蓄熱性によ
り、ＰＰＯ樹脂基材２０が冷めにくく、良好な予熱状態
を維持できるため、良好な成形性が期待できる。In the cold press molding process shown in FIG. 6, one surface of the PPO resin base material 20 is protected by the pad material 32, and the heat storage property of the pad material 32 makes it difficult for the PPO resin base material 20 to cool. Since a good preheating state can be maintained, good moldability can be expected.
【００２７】このように、本発明方法の第１実施例によ
れば、図７のグラフに示すように、ＰＰＯ樹脂基材２０
の予熱条件は、１３０〜１４０℃の範囲であれば、良好
な成形性が期待できるとともに、ＰＰＯ樹脂基材２０の
予熱状態を良好に維持でき、プレス金型５０へのセット
時間が長引いても、成形不良が生じることなく、良好な
成形性が期待できるとともに、表皮材にテンションを付
与してセットする従来の面倒な作業が省け、作業性も著
しく向上する。As described above, according to the first embodiment of the method of the present invention, as shown in the graph of FIG.
If the preheating condition is in the range of 130 to 140 ° C., good moldability can be expected, the preheating state of the PPO resin base material 20 can be maintained in good condition, and even if the setting time in the press die 50 is prolonged. In addition, good moldability can be expected without causing molding defects, and the conventional troublesome work of setting tension on the skin material can be omitted and workability is significantly improved.
【００２８】次いで、図８に示すものは、本発明方法の
別実施例を示すもので、表皮材３０として、不織布３４
の単体で構成してもよく、その場合、不織布３４の面密
度は２００〜２５０ｇ／ｍ2 の範囲がよく、面密度が２
００ｇ／ｍ2 未満であると緩衝機能の低下を招く欠点が
あるとともに、逆に面密度が２５０ｇ／ｍ2 を越える場
合には、コスト的に不利である。Next, FIG. 8 shows another embodiment of the method of the present invention, in which a nonwoven fabric 34 is used as the skin material 30.
In the case where the nonwoven fabric 34 has a surface density of 200 to 250 g / m 2 , a surface density of 2 is preferable.
With there is a disadvantage that lead to a decrease in that the cushioning function is less than 200 g / m 2, when the surface density conversely exceeds 250 g / m 2 is economically disadvantageous.
【００２９】この実施例においても、不織布３４がＰＰ
Ｏ樹脂基材２０の一面を保護するため、上述実施例と同
様の作用効果を有する。Also in this embodiment, the nonwoven fabric 34 is made of PP.
Since the one surface of the O resin base material 20 is protected, the same operational effect as that of the above-described embodiment is obtained.
【００３０】次いで、図９乃至図１１は、本発明方法の
第２実施例を示すもので、図９のチャート図に示すよう
に、まず、ＰＰＯ樹脂基材２０とパッド材３２とを接着
剤３５を介して貼合せ、パッド材付きＰＰＯ樹脂基材６
０を形成するとともに、クロス３１とホットメルトフィ
ルム等の接着性フィルム３６をラミネートしたものを用
意して、前記パッド材付きＰＰＯ樹脂基材６０を予熱工
程を経てプレス金型にセットするとともに、クロス３１
も同様にプレス金型にセットして、コールドプレス成形
することにより、図１，図２に示す自動車用ルーフトリ
ム１０の成形を完了する。Next, FIGS. 9 to 11 show a second embodiment of the method of the present invention. As shown in the chart of FIG. 9, first, the PPO resin base material 20 and the pad material 32 are adhesively bonded. PPO resin base material 6 with a pad material, bonded through
0 is formed, a cloth 31 and an adhesive film 36 such as a hot melt film are laminated, and the PPO resin base material 60 with a pad material is set in a press mold through a preheating step. 31
Similarly, the same is set in a press die and cold press-molded, whereby the molding of the automobile roof trim 10 shown in FIGS. 1 and 2 is completed.
【００３１】さらに、図１０，図１１を基に詳しく説明
すると、図１０は素材のセット工程を示すもので、コー
ルドプレス成形用下型５０上にクロス３１が、接着性フ
ィルム３６を上側に向けてセットされており、その上方
に所定温度に予熱軟化されたパッド材付きＰＰＯ樹脂基
材６０がその周縁をクランプ装置５２により支持された
状態でセットされ、そして、その上側に上下動可能に構
成されたコールドプレス成形用上型５１が位置してい
る。Further, referring to FIGS. 10 and 11, in detail, FIG. 10 shows a step of setting the material, in which the cloth 31 is directed on the cold press molding lower die 50 and the adhesive film 36 is directed upward. The PPO resin base material 60 with a pad material, which has been preheated and softened to a predetermined temperature, is set above it with its peripheral edge supported by the clamp device 52, and is vertically movable above it. The cold press molding upper die 51 is positioned.
【００３２】このとき、ＰＰＯ樹脂基材２０はパッド材
３２にその一面が保護されており、パッド材３２の蓄熱
性により、パッド材付きＰＰＯ樹脂基材６０は良好な予
熱状態が維持でき、良好な成形性が期待できる。At this time, one surface of the PPO resin base material 20 is protected by the pad material 32, and due to the heat storage property of the pad material 32, the PPO resin base material 60 with the pad material can maintain a good preheating state, which is good. Excellent formability can be expected.
【００３３】また、図示しない予熱工程では、ＰＰＯ樹
脂基材単体のものに比べ、パッド材３２をラミネートし
たパッド材付きＰＰＯ樹脂基材６０においては、予熱温
度の許容範囲が極めて広く、予熱工程における管理も簡
単に行える。In the preheating step (not shown), the PPO resin base material 60 with the pad material in which the pad material 32 is laminated has an extremely wide preheating temperature range as compared with the PPO resin base material alone. Easy to manage.
【００３４】次いで、図１１に示すように、コールドプ
レス成形用上下型５０，５１の係合圧締めにより、パッ
ド材付きＰＰＯ樹脂基材６０とクロス３１とを所要形状
に一体プレス成形すれば、図１，図２に示す自動車用ル
ーフトリム１０の成形が完了する。Then, as shown in FIG. 11, the PPO resin base material 60 with a pad material and the cloth 31 are integrally press-molded into a required shape by tightening the upper and lower molds 50, 51 for cold press molding with engaging pressure. The molding of the automobile roof trim 10 shown in FIGS. 1 and 2 is completed.
【００３５】このように、本発明方法における第２実施
例においても、ＰＰＯ樹脂基材２０に対してパッド材３
２を予めラミネートしたパッド材付きＰＰＯ樹脂基材６
０を予熱して、クロス３１とプレス一体化するというも
のであるから、ＰＰＯ樹脂基材２０の予熱条件が大幅に
緩和でき、かつ良好な成形性が期待できる有利さがあ
る。As described above, also in the second embodiment of the method of the present invention, the pad material 3 is applied to the PPO resin base material 20.
2 pre-laminated PPO resin base material 6 with pad material
Since 0 is preheated and press-integrated with the cloth 31, the preheating condition of the PPO resin base material 20 can be greatly relaxed and good moldability can be expected.
【００３６】[0036]
【発明の効果】以上説明した通り、本発明方法によれ
ば、以下に記載する格別の作用効果を有する。As described above, according to the method of the present invention, the following special operational effects are obtained.
【００３７】（１）本発明方法は、ＰＰＯ樹脂基材の一
面をパッド材により保護した状態でプレヒートを行い、
ＰＰＯ樹脂基材と表皮材とを所要形状にプレス一体化す
るというものであるから、パッド材の蓄熱性を利用し
て、ＰＰＯ樹脂基材の予熱条件を非常にラフに行うこと
ができるため、ＰＰＯ樹脂基材の予熱工程管理が非常に
容易になるという効果を有する。(1) In the method of the present invention, preheating is performed with one surface of the PPO resin base material being protected by a pad material.
Since the PPO resin base material and the skin material are press-integrated into a required shape, the PPO resin base material can be preheated very roughly by utilizing the heat storage property of the pad material. This has the effect of making it easier to control the preheating process of the PPO resin base material.
【００３８】（２）本発明方法によれば、ＰＰＯ樹脂基
材の一面をパッド材により保護することにより、このパ
ッド材の蓄熱作用により、プレス金型へのセット時間が
長引いても成形シワ等が生じることがなく、成形性が向
上し、成形不良等の不良率を大幅に低減させることがで
きるという効果を有する。(2) According to the method of the present invention, by protecting one surface of the PPO resin base material with the pad material, the heat storage effect of the pad material allows molding wrinkles and the like even if the time for setting in the press die is prolonged. It is possible to improve the moldability and significantly reduce the defective rate such as defective molding.
【００３９】（３）本発明方法によれば、ＰＰＯ樹脂基
材に表皮材を仮ラミネートを行い、このラミネート体を
コールドプレス成形すれば、従来の面倒な表皮材のセッ
ト作業が廃止でき、かつ自動化も簡単に行える等作業能
率が著しく向上するという効果を有する。(3) According to the method of the present invention, if the skin material is temporarily laminated on the PPO resin base material and this laminate is cold press-molded, the conventional troublesome work of setting the skin material can be eliminated, and This has the effect of significantly improving work efficiency, such as automation.
【図１】本発明方法を適用して製作した自動車用ルーフ
トリムを車室内側から見た斜視図。FIG. 1 is a perspective view of an automobile roof trim manufactured by applying the method of the present invention as viewed from the inside of a vehicle compartment.
【図２】図１中II−II線断面図。FIG. 2 is a sectional view taken along line II-II in FIG.
【図３】本発明方法の第１実施例の工程を示すチャート
図。FIG. 3 is a chart showing the steps of the first embodiment of the method of the present invention.
【図４】本発明方法の第１実施例中の１工程を示すもの
で、ＰＰＯ樹脂基材と表皮材との仮ラミネート工程を示
す断面図。FIG. 4 is a sectional view showing one step in the first embodiment of the method of the present invention and showing a temporary laminating step of a PPO resin base material and a skin material.
【図５】本発明方法の第１実施例の１工程を示すもの
で、素材のセット工程を示す断面図。FIG. 5 is a cross-sectional view showing one step of the first embodiment of the method of the present invention, showing a material setting step.
【図６】本発明方法の第１実施例の１工程を示すもの
で、コールドプレス成形工程を示す断面図。FIG. 6 is a cross-sectional view showing one step of the first embodiment of the method of the present invention, showing a cold press molding step.
【図７】本発明方法の第１実施例に使用するＰＰＯ樹脂
基材の予熱条件を示すグラフ。FIG. 7 is a graph showing the preheating conditions of the PPO resin base material used in the first example of the method of the present invention.
【図８】本発明方法の第１実施例の変形例を示す図２相
当図。FIG. 8 is a view corresponding to FIG. 2 showing a modification of the first embodiment of the method of the present invention.
【図９】本発明方法の第２実施例の工程を示すチャート
図。FIG. 9 is a chart showing the steps of the second embodiment of the method of the present invention.
【図１０】本発明方法の第２実施例の１工程を示すもの
で、素材のセット工程を示す断面図。FIG. 10 is a cross-sectional view showing one step of the second embodiment of the method of the present invention, showing a material setting step.
【図１１】本発明方法の第２実施例の１工程を示すもの
で、プレス成形工程を示す断面図。FIG. 11 is a cross-sectional view showing one step of the second embodiment of the method of the present invention, showing the press molding step.
【図１２】従来のＰＰＯ樹脂基材を使用した内装部品の
構成を示す断面図。FIG. 12 is a cross-sectional view showing a configuration of an interior component using a conventional PPO resin base material.
【図１３】従来のＰＰＯ樹脂基材を使用した内装部品の
成形工程を示す断面図。FIG. 13 is a cross-sectional view showing a molding process of an interior part using a conventional PPO resin base material.
【図１４】従来のＰＰＯ樹脂基材の予熱条件を示すグラ
フ。FIG. 14 is a graph showing preheating conditions for a conventional PPO resin base material.
１０ 自動車用ルーフトリム ２０ ＰＰＯ樹脂基材 ２１ ＰＰＯ樹脂発泡層 ２２ ＰＰＯ樹脂スキン層 ３０ 表皮材 ３１ クロス ３２ パッド材 ３３，３５，３６ 接着性フィルム ３４ 不織布 ４０ 仮ラミネート用プレス下型 ４１ 仮ラミネート用プレス上型 ５０ コールドプレス成形用下型 ５１ コールドプレス成形用上型 ５２ クランプ装置 ６０ パッド材付きＰＰＯ樹脂基材 10 Roof Trim for Automobile 20 PPO Resin Base Material 21 PPO Resin Foam Layer 22 PPO Resin Skin Layer 30 Skin Material 31 Cloth 32 Pad Material 33, 35, 36 Adhesive Film 34 Nonwoven Fabric 40 Temporary Laminating Press Lower Model 41 Temporary Laminating Press Upper mold 50 Lower mold for cold press molding 51 Upper mold for cold press molding 52 Clamping device 60 PPO resin base material with pad material
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｌ 31:58 4Ｆ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Internal reference number FI technical display location B29L 31:58 4F
Claims (4)
ＰＯ樹脂スキン層（２２）を形成してなるＰＰＯ樹脂基
材（２０）の表面側に、表皮材（３０）をプレス一体化
してなる自動車用内装部品の製造方法において、 前記ＰＰＯ樹脂基材（２０）と表皮材（３０）とを予め
ラミネートした積層体をプレヒートする予熱工程と、 プレス金型（５０，５１）内に、予熱軟化状態の積層体
をセットした後、プレス金型（５０，５１）の係合圧締
めにより、所要形状に一体成形するプレス成形工程と、 からなることを特徴とする自動車用内装部品の製造方
法。1. A PPO resin foam layer (21) having P on the front and back surfaces thereof.
A PPO resin base material (20) formed by forming a PO resin skin layer (22) on the surface side of which a skin material (30) is press-integrated, is used. 20) and a skin material (30) are preliminarily laminated, and a preheating step of preheating the laminated body, and after setting the laminated body in a preheat-softened state in the press die (50, 51), press die (50, 51) A press-molding step of integrally molding into a desired shape by engaging and tightening the engaging pressure, and a method for manufacturing an automobile interior part.
ッド材（３２）との積層体から構成されていることを特
徴とする請求項１記載の自動車用内装部品の製造方法。2. The method for manufacturing an automobile interior part according to claim 1, wherein the skin material (30) is composed of a laminate of a cloth (31) and a pad material (32).
ｍ2 の面密度を備えた不織布（３４）から構成されてい
ることを特徴とする請求項１記載の自動車用内装部品の
製造方法。3. The skin material (30) is 200 to 250 g /
2. The method for manufacturing an automobile interior part according to claim 1, wherein the method comprises a non-woven fabric (34) having an areal density of m 2 .
ＰＯ樹脂スキン層（２２）を形成してなるＰＰＯ樹脂基
材（２０）の表面側に、パッド材（３２）、クロス（３
１）とからなる表皮材（３０）をプレス一体化してなる
自動車用内装部品の製造方法において、 前記ＰＰＯ樹脂基材（２０）とパッド材（３２）とを予
めラミネートしたパッド材付きＰＰＯ樹脂基材（６０）
をプレヒートする工程と、 プレス金型（５０，５１）内に、軟化状態のパッド材付
きＰＰＯ樹脂基材（６０）と、接着性フィルム（３６）
をラミネートしたクロス（３１）とをセットする素材の
セット工程と、 プレス金型（５０，５１）の係合圧締めにより、パッド
材付きＰＰＯ樹脂基材とクロス（３１）とを所要形状に
一体成形するプレス成形工程と、 からなることを特徴とする自動車用内装部品の製造方
法。4. The PPO resin foam layer (21) is provided with P on the front and back surfaces.
The pad material (32) and the cloth (3) are provided on the surface side of the PPO resin base material (20) formed with the PO resin skin layer (22).
1. A method for manufacturing an automobile interior part, which comprises press-integrating a skin material (30) comprising 1) and a PPO resin base with a pad material, in which the PPO resin base material (20) and a pad material (32) are laminated in advance. Material (60)
And a step of preheating the PPO resin base material (60) with a pad material in a softened state, and an adhesive film (36) in a press die (50, 51).
The PPO resin base material with the pad material and the cloth (31) are integrated into the required shape by the setting process of the material for setting the laminated cloth (31) and the press-fitting of the press dies (50, 51). A method for manufacturing an automobile interior part, comprising: a press forming step of forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3287943A JP2669513B2 (en) | 1991-11-01 | 1991-11-01 | Manufacturing method of automobile interior parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3287943A JP2669513B2 (en) | 1991-11-01 | 1991-11-01 | Manufacturing method of automobile interior parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05124054A true JPH05124054A (en) | 1993-05-21 |
| JP2669513B2 JP2669513B2 (en) | 1997-10-29 |
Family
ID=17723749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3287943A Expired - Lifetime JP2669513B2 (en) | 1991-11-01 | 1991-11-01 | Manufacturing method of automobile interior parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2669513B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0710578A3 (en) * | 1994-11-03 | 1996-05-15 | Kunststoffwerk Katzbach GmbH | Trim portion, in particular door trim panel, for a motor vehicle |
| KR100523411B1 (en) * | 2005-04-06 | 2005-10-24 | 주식회사 세원정공 | Pad ashesion method of car dash panel |
| JP2011137282A (en) * | 2003-12-20 | 2011-07-14 | Lloyd (Scotland) Ltd | Method for forming human body protecting device, and human body protecting device |
-
1991
- 1991-11-01 JP JP3287943A patent/JP2669513B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0710578A3 (en) * | 1994-11-03 | 1996-05-15 | Kunststoffwerk Katzbach GmbH | Trim portion, in particular door trim panel, for a motor vehicle |
| JP2011137282A (en) * | 2003-12-20 | 2011-07-14 | Lloyd (Scotland) Ltd | Method for forming human body protecting device, and human body protecting device |
| KR100523411B1 (en) * | 2005-04-06 | 2005-10-24 | 주식회사 세원정공 | Pad ashesion method of car dash panel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2669513B2 (en) | 1997-10-29 |
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