JPH0418315A - Manufacture of monolithic foam molded form - Google Patents
Manufacture of monolithic foam molded formInfo
- Publication number
- JPH0418315A JPH0418315A JP2122690A JP12269090A JPH0418315A JP H0418315 A JPH0418315 A JP H0418315A JP 2122690 A JP2122690 A JP 2122690A JP 12269090 A JP12269090 A JP 12269090A JP H0418315 A JPH0418315 A JP H0418315A
- Authority
- JP
- Japan
- Prior art keywords
- skin material
- fitting
- speaker grill
- foam
- component
- 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.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 abstract description 14
- 229920002635 polyurethane Polymers 0.000 abstract description 6
- 239000004814 polyurethane Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000005187 foaming Methods 0.000 abstract description 5
- 239000012779 reinforcing material Substances 0.000 abstract description 4
- 239000003365 glass fiber Substances 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010097 foam moulding Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、一体発泡成形品の製造方法の改良に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to an improvement in a method for manufacturing an integrally foamed molded article.
（従来の技術）
従来より、例えば自動車等車両の内装品を製造する方法
として、ます、表皮材を真空成形により所定形状に成形
し、次いて、この表皮材の裏面にガラス繊維等の補強材
をセットし、その後、その上にポリウレタン等の発泡成
形原料を注入することにより、補強材が埋設された発泡
体を上記表皮材に一体成形する方法か一般に知られてい
る（特開昭６３−９９９１２号公報参照）。(Prior Art) Conventionally, as a method for manufacturing interior parts of vehicles such as automobiles, a skin material is formed into a predetermined shape by vacuum forming, and then a reinforcing material such as glass fiber is applied to the back side of this skin material. There is a generally known method of integrally molding a foam with a reinforcing material embedded in the skin material by injecting a foam molding raw material such as polyurethane onto the skin material (Japanese Unexamined Patent Application Publication No. 1983-1999). (See Publication No. 99912).
ところで、上述の如き一体発泡成形品か例えば自動車等
車両のドアトリムである場合、該ドアトリムには、スピ
ーカーグリル等の裏面が凹形状の取付部品が取り付けら
れている。そして、第８図に示すように、このような取
付部品ａは、通常、表皮材すに成形が容品な浅溝で形成
された部品嵌合用の嵌合部Ｃに嵌合させられ、かつ上記
嵌合部Ｃの形成によって生じた上記表皮材すと取付部品
との間の空間に入れ子ｄを挿入配置せしめた状態で、成
形型ｅにセットされ、該成形型ｅに注入されたポリウレ
タン等の発泡成形原料により表皮材すの裏面側に発泡体
が一体成形されて、一体発泡成形品に取り付けられる。By the way, when the above-mentioned integrally foamed molded product is a door trim of a vehicle such as an automobile, a mounting part such as a speaker grill whose back surface is concave is attached to the door trim. As shown in FIG. 8, such a mounting part a is usually fitted into a fitting part C for fitting parts, which is formed by a shallow groove that can be easily molded into the surface material. With the nest d inserted and arranged in the space between the skin material S and the attachment part created by the formation of the fitting part C, the polyurethane etc. are set in the mold e, and injected into the mold e. A foam is integrally molded on the back side of the skin material using the foam molding raw material and attached to the integral foam molded product.
（発明が解決しようとする課題）
ところが、上記の成形方法では、取付部品ａと表皮材す
との間に入れ子ｄを挿入配置しなければならす、しかも
、成形後に該入れ子ｄを取り出さなければならず、この
挿入・取出し作業に手間取って生産性が低下するという
問題があった。(Problem to be Solved by the Invention) However, in the above molding method, the nest d must be inserted between the attachment part a and the skin material, and furthermore, the nest d must be taken out after molding. First, there is a problem in that this insertion/removal work is time-consuming and reduces productivity.
本発明はかかる点に鑑みてなされたものであり、その目
的とするところは、表皮材の部品取付部の形状を改良す
ることにより、入れ子の使用をなくし、生産性の向上を
図らんとすることにある。The present invention has been made in view of these points, and its purpose is to eliminate the use of nests and improve productivity by improving the shape of the component attachment portion of the skin material. There is a particular thing.
（課題を解決するための手段）
上記の目的を達成するため、本発明の解決手段は、裏面
が凹形状の取付部品を表皮材にセットした状態で、その
裏面側に発泡体を一体成形する一体発泡成形品の製造方
法として、まず、上記表皮材に取付部品の凹形状と逆方
向に膨出する凸形状の部品取付部を形成するとともに、
該部品取付部の内周に部品嵌合用の嵌合部を形成する。(Means for Solving the Problems) In order to achieve the above object, the solution of the present invention is to integrally mold a foam on the back side of a mounting component with a concave back side set in a skin material. As a method for manufacturing an integrally foamed molded product, first, a convex component mounting portion that bulges in the opposite direction to the concave shape of the mounting component is formed on the skin material, and
A fitting portion for fitting the component is formed on the inner periphery of the component mounting portion.
次いで、上記取付部品を表皮材の部品取付部の嵌合部に
嵌合させた後、該部品取付部を取付部品の凹形状部に沿
わせる。その後、上記表皮材の裏面側に発泡体を一体成
形するようにしたことである。Next, after the above-mentioned attachment part is fitted into the fitting part of the component attachment part of the skin material, the component attachment part is placed along the recessed part of the attachment part. Thereafter, a foam is integrally molded on the back side of the skin material.
（作用）
上記の構成により、本発明方法では、表皮材に取付部品
の凹形状と逆方向に膨出する凸形状の部品取付部が形成
されるとともに、該部品取付部の内周に部品嵌合用の嵌
合部か形成され、次いて、上記取付部品が表皮材の部品
取付部の嵌合部に嵌合させられた後、該部品取付部が取
付部品の凹形状部に沿わせられ、その後、上記表皮材の
裏面側に発泡体が一体成形される。(Function) With the above configuration, in the method of the present invention, a convex component mounting portion that bulges in the opposite direction to the concave shape of the mounting component is formed on the skin material, and the component is fitted to the inner periphery of the component mounting portion. A matching fitting part is formed, and then, after the fitting part is fitted into the fitting part of the part fitting part of the skin material, the part fitting part is aligned with the recessed part of the fitting part, Thereafter, a foam is integrally molded on the back side of the skin material.
このことから、成形に際し、取付部品と表皮材との間に
入り子を挿入配置する必要がなくされ、したがって、成
形後に該入れ子を取り出す必要もなくされ、よってこの
挿入・取出し作業がなくされる分だけ、生産性の向上が
図られることとなる。This eliminates the need to insert and arrange the insert between the attachment part and the skin material during molding, and therefore eliminates the need to take out the insert after molding, thus eliminating this insertion/removal work. Productivity will be improved accordingly.
（実施例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.
第７図は一体発泡成形品としての自動車等車両用ドアト
リムＡを示し、該ドアトリムＡには、裏面が凹形状の取
付部品としてのスピーカーグリルＢが取り付けられてい
る。FIG. 7 shows a door trim A for a vehicle such as an automobile as an integrally foamed molded product, and a speaker grille B as an attachment component having a concave back surface is attached to the door trim A.
このスピーカーグリルＢが取り付けられたドアトリムＡ
を本発明方法により成形する要領を説明するに、まず、
第１図に示すように、例えばポリ塩化ビニル等のシート
状物１の裏面にポリ塩化ビニル等のクツション材２が一
体に形成された表皮材３を、シェル状の金型４を用いて
スラッシュ成形法により成形し、上記表皮材３にスピー
カーグリルＢの凹形状と逆方向に膨出する凸形状の部品
取付部５を形成するとともに、該部品取付部５の内周に
部品嵌合用の嵌合部６を形成する。Door trim A with this speaker grill B installed
To explain the procedure for molding by the method of the present invention, first,
As shown in FIG. 1, a skin material 3 in which a cushion material 2 such as polyvinyl chloride is integrally formed on the back surface of a sheet-like material 1 made of polyvinyl chloride or the like is sliced using a shell-shaped mold 4. A convex component mounting portion 5 that bulges out in the opposite direction to the concave shape of the speaker grille B is formed on the skin material 3 by a molding method, and a fitting for fitting the component is formed on the inner periphery of the component mounting portion 5. A joint 6 is formed.
次いで、第２図に示すように、上記スピーカーグリルＢ
を上記表皮材３の部品取付部５の嵌合部６に嵌合させる
。Next, as shown in FIG. 2, the speaker grill B
is fitted into the fitting part 6 of the component attachment part 5 of the skin material 3.
その後、第３図に示すように、上記スピーカーグリルＢ
が嵌合保持された表皮材３をスピーカーグリルＢ側を下
に向けた姿勢で発泡型７の下型８にセットし、スピーカ
ーグリルＢと表皮材３との空間を真空孔９を介して真空
引きすることにより、上記表皮材３の部品取付部５をス
ピーカーグリルＢの凹形状部ｂ１に沿わせる。After that, as shown in FIG. 3, the speaker grill B
The skin material 3 that is fitted and held is set in the lower mold 8 of the foaming mold 7 with the speaker grill B side facing down, and the space between the speaker grill B and the skin material 3 is vacuumed through the vacuum hole 9. By pulling, the component mounting portion 5 of the skin material 3 is aligned with the concave portion b1 of the speaker grille B.
しかる後、第４図に示すように、上記発泡型７の下型８
の上にガラス繊維等の補強材１０をセットした後、例え
ば硬質ポリウレタン原料１１を噴霧ノズル１２から吹き
付け、その後、第５図に示すように、上記発泡型７の上
型１３を下降させて型締めし、型温により上記硬質ポリ
ウレタン原料１１を反応硬化させることにより、上記表
皮材３の裏面側に発泡体１４を一体成形し、スピーカー
グリルＢが取り付けられたドアトリムＡを得る。After that, as shown in FIG. 4, the lower mold 8 of the foaming mold 7 is
After setting a reinforcing material 10 such as glass fiber on top, for example, a hard polyurethane raw material 11 is sprayed from a spray nozzle 12, and then, as shown in FIG. 5, the upper mold 13 of the foaming mold 7 is lowered to remove the mold. By tightening and reaction-curing the hard polyurethane raw material 11 using the mold temperature, the foam 14 is integrally molded on the back side of the skin material 3, and a door trim A to which the speaker grille B is attached is obtained.
その後、第６図に示すように、該ドアトリムへのスピー
カーグリルＢ裏側に対応する表皮材３部分および発泡体
１４部分を切除し、完成品となす。Thereafter, as shown in FIG. 6, a portion of the skin material 3 and a portion of the foam 14 corresponding to the back side of the speaker grille B to the door trim are cut out to form a completed product.
このように、本実施例では、スピーカーグリルＢを表皮
材３の部品取付部５の嵌合部６に嵌合させた後、該部品
取付部５をスピーカーグリルＢの凹形状部ｂ１に沿わせ
るようにすることから、成形に際し、上記スピーカーグ
リルＢと表皮材３との間に入れ子を挿入配置せずに済み
、したがって、成形後に該入れ子を取り出す必要もなく
、これによりこの挿入・取出し作業がなくなる分だけ、
生産性の向上を図ることができる。As described above, in this embodiment, after the speaker grille B is fitted into the fitting part 6 of the component attachment part 5 of the skin material 3, the component attachment part 5 is aligned with the concave part b1 of the speaker grille B. Therefore, there is no need to insert a nest between the speaker grille B and the skin material 3 during molding, and there is no need to take out the nest after molding. As much as it disappears,
Productivity can be improved.
なお、上記実施例では、表皮材３をスラッシュ成形法に
より成形したが、これに限らず、例えば真空成形法によ
って成形するようにしてもよい。In the above embodiment, the skin material 3 was molded by the slush molding method, but the present invention is not limited to this, and the skin material 3 may be molded by, for example, a vacuum molding method.
また、上記実施例では、スピーカーグリルＢが嵌合保持
された表皮材３を発泡型７の下型８にセットするように
したが、これに限らず、例えば上記スピーカーグリルＢ
を下型８にセットした後、該スピーカーグリルＢを表皮
材３に嵌合させるようにしてもよい。Further, in the above embodiment, the skin material 3 in which the speaker grill B is fitted and held is set in the lower mold 8 of the foaming mold 7, but the present invention is not limited to this, and for example, the speaker grill B
After setting the speaker grille B on the lower mold 8, the speaker grille B may be fitted onto the skin material 3.
さらに、上記実施例では、取付部品がスピーカーグリル
Ｂである場合を示したが、他のものであってもよいこと
はいうまでもない。Further, in the above embodiment, the speaker grille B is used as the attachment component, but it goes without saying that other components may be used.
また、上記実施例では、一体発泡成形品が自動車等車両
用ドアトリムＡである場合を示したが、これに限らず、
他の内装品であってもよく、さらには、車両以外のもの
にも適用可能なこと勿論である。Further, in the above embodiment, a case where the integrally foamed molded product is a door trim A for a vehicle such as an automobile is shown, but the invention is not limited to this.
It goes without saying that other interior parts may be used, and furthermore, it can be applied to items other than vehicles.
（発明の効果）
以上説明したように、本発明方法によれば、表皮材に取
付部品の凹形状と逆方向に膨出する凸形状の部品取付部
を形成するとともに、該部品取付部の内周に部品嵌合用
の嵌合部を形成し、次いで、上記取付部品を表皮材の部
品取付部の嵌合部に嵌合させた後、該部品取付部を取付
部品の凹形状部に沿わせ、その後、上記表皮材の裏面側
に発泡体を一体成形するので、成形に際し、取付部品と
表皮材との間に入れ子を挿入配置する必要をなくし、生
産性の向上を図ることができる。(Effects of the Invention) As explained above, according to the method of the present invention, a convex component mounting portion that bulges in the opposite direction to the concave shape of the mounting component is formed on the skin material, and the inside of the component mounting portion is A fitting part for fitting parts is formed around the periphery, and then, after the above-mentioned mounting part is fitted into the fitting part of the part mounting part of the skin material, the part mounting part is aligned with the recessed part of the mounting part. Then, since the foam is integrally molded on the back side of the skin material, there is no need to insert a nest between the attachment part and the skin material during molding, and productivity can be improved.
図面は本発明の実施例を示し、第１図ないし第６図はド
アトリムの成形工程図、第７図はドアトリムの斜視図で
ある。第８図は従来例の第３図相当図である。
３・・・表皮材
５・・・部品取付部
６・・・嵌合部
１４・・・発泡体
Ａ・・・ドアトリム（一体発泡成形品）Ｂ・・・スピー
カーグリル（取付部品）ｂｌ・・・凹形状部
第７図
７７一
７−＼−
第４
図
第６
図The drawings show an embodiment of the present invention, and FIGS. 1 to 6 are forming process diagrams of a door trim, and FIG. 7 is a perspective view of the door trim. FIG. 8 is a diagram corresponding to FIG. 3 of the conventional example. 3...Skin material 5...Component mounting part 6...Fitting part 14...Foam A...Door trim (integral foam molded product) B...Speaker grill (mounting part) BL...・Concave shape part Fig. 777-\- Fig. 4 Fig. 6
Claims (1)
態で、その裏面側に発泡体を一体成形する一体発泡成形
品の製造方法であって、上記表皮材に取付部品の凹形状
と逆方向に膨出する凸形状の部品取付部を形成するとと
もに、該部品取付部の内周に部品嵌合用の嵌合部を形成
し、次いで、上記取付部品を表皮材の部品取付部の嵌合
部に嵌合させた後、該部品取付部を取付部品の凹形状部
に沿わせ、その後、上記表皮材の裏面側に発泡体を一体
成形することを特徴とする一体発泡成形品の製造方法。(1) A method for manufacturing an integral foam molded product, in which a mounting part with a concave back surface is set in a skin material, and a foam is integrally molded on the back side of the mounting part, the mounting part having a concave shape on the back surface A convex component mounting portion that bulges in the opposite direction is formed, and a fitting portion for fitting the component is formed on the inner periphery of the component mounting portion, and then the mounting component is fitted into the component mounting portion of the skin material. After fitting into the joint part, the part mounting part is aligned with the concave part of the part to be mounted, and then a foam is integrally molded on the back side of the skin material. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2122690A JPH0418315A (en) | 1990-05-11 | 1990-05-11 | Manufacture of monolithic foam molded form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2122690A JPH0418315A (en) | 1990-05-11 | 1990-05-11 | Manufacture of monolithic foam molded form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0418315A true JPH0418315A (en) | 1992-01-22 |
Family
ID=14842210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2122690A Pending JPH0418315A (en) | 1990-05-11 | 1990-05-11 | Manufacture of monolithic foam molded form |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418315A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639440A2 (en) * | 1993-08-19 | 1995-02-22 | Davidson Textron Inc. | Method of constructing a molded composite article comprising a foam backing |
| GB2415933A (en) * | 2004-07-07 | 2006-01-11 | Lear Corp | Moulded trim panels |
| US20130260079A1 (en) * | 2012-03-27 | 2013-10-03 | Toyota Motor Engineering & Manufacturing North America, Inc. | Foam-filled panel and process for manufacture thereof |
| US9848255B1 (en) * | 2013-10-22 | 2017-12-19 | Christopher Jack Brown | Method for manufacturing a plastic speaker grill for wireless speaker assembly |
-
1990
- 1990-05-11 JP JP2122690A patent/JPH0418315A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639440A2 (en) * | 1993-08-19 | 1995-02-22 | Davidson Textron Inc. | Method of constructing a molded composite article comprising a foam backing |
| EP0639440A3 (en) * | 1993-08-19 | 1995-05-10 | Davidson Textron Inc | Method of constructing a molded composite article comprising a foam backing. |
| KR100324648B1 (en) * | 1993-08-19 | 2002-06-22 | 필립스 에스. 윌슨 | Manufacturing Method of Synthetic Molded Parts Composed of Molded Foam Cushions |
| GB2415933A (en) * | 2004-07-07 | 2006-01-11 | Lear Corp | Moulded trim panels |
| US7033660B2 (en) | 2004-07-07 | 2006-04-25 | Lear Corporation | Method of making an interior trim panel for a door and an article made thereby |
| GB2415933B (en) * | 2004-07-07 | 2008-11-19 | Lear Corp | Method of making an interior trim panel for a vehicle door |
| US20130260079A1 (en) * | 2012-03-27 | 2013-10-03 | Toyota Motor Engineering & Manufacturing North America, Inc. | Foam-filled panel and process for manufacture thereof |
| US8993091B2 (en) * | 2012-03-27 | 2015-03-31 | Toyota Motor Engineering & Manufacturing North America, Inc. | Foam-filled panel and process for manufacture thereof |
| US9848255B1 (en) * | 2013-10-22 | 2017-12-19 | Christopher Jack Brown | Method for manufacturing a plastic speaker grill for wireless speaker assembly |
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