JPS6341116A - Manufacture of laminated molding with decorative sheet - Google Patents

Manufacture of laminated molding with decorative sheet

Info

Publication number
JPS6341116A
JPS6341116A JP18426386A JP18426386A JPS6341116A JP S6341116 A JPS6341116 A JP S6341116A JP 18426386 A JP18426386 A JP 18426386A JP 18426386 A JP18426386 A JP 18426386A JP S6341116 A JPS6341116 A JP S6341116A
Authority
JP
Japan
Prior art keywords
decorative sheet
molding
mold
molding surface
partition wall
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
Application number
JP18426386A
Other languages
Japanese (ja)
Other versions
JPH0411093B2 (en
Inventor
Kiyoto Dezuki
清人 出月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meiwa Corp
Original Assignee
Meiwa Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Meiwa Corp filed Critical Meiwa Corp
Priority to JP18426386A priority Critical patent/JPS6341116A/en
Publication of JPS6341116A publication Critical patent/JPS6341116A/en
Publication of JPH0411093B2 publication Critical patent/JPH0411093B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467Joining articles or parts of a single article

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To obtain a light and rigid molding, by a method wherein the surface side of a decorative sheet having air permeability is laid on a molding surface, divided by partitions, to retain the terminals of the decorative sheet to the top of the partitions, then, a surface layer member is formed by vacuum and, thereafter, molds are clamped and the material of a base body is poured into a cavity to mold it. CONSTITUTION:Partitions 13 are provided on the molding surface 14 of a movable mold 12 at desired positions, corresponding to the configuration of the outer rim of a door trim, whereat a decorative sheet 21 is bonded, while the decorative sheet 21 is laid in the partitions 13 so that the surface side of the decorative sheet 21 is contacted with the molding surface 14 and, then, the terminals of the sheet are raised along the internal surface of the partitions 13 to retain them to the tops of the partitions 13. A surface layer member 22, molten and softened by a heating device, is laid on the whole molding surface of the movable mold 12 through the decorative sheet 21 to form it by vacuum while discharging air through an air discharging port 15, a venting hole 16 and an air discharging pipe 17. The movable mold 12 is clamped to a fixed mold 11 while adhering the surface layer member 22 to the molding surface 14, thereafter, the material 23 of a base body is poured into a cavity through a gate 18 whereby a laminated molding 30 may be obtained.

Description

【発明の詳細な説明】 一!のl この発明は基体の表面を覆う表層材の所定領域に加飾シ
ートを貼着した積層成形体を製造する方法に関する。
[Detailed description of the invention] One! The present invention relates to a method for manufacturing a laminate molded product in which a decorative sheet is attached to a predetermined area of a surface layer material covering the surface of a base.

従来豊肢庸 車両用内装品、化粧用建築部材、家庭用電気製品の表面
部分に加飾シートを貼着して、部分的に材質、色柄を異
ならせて外観を豪華にした製品が見受けられる。そして
加飾シートの端末の処理方法について工夫がなされてい
るが、いずれも煩雑な工程によるものか、若しくは見劣
りのするものであった。
In the past, decorative sheets were pasted on the surfaces of vehicle interior parts, decorative building materials, and household electrical appliances, and the materials and colors and patterns were partially varied to give a luxurious appearance. It will be done. Some attempts have been made to treat the ends of decorative sheets, but all of them involve complicated processes or are of poor quality.

例えば車両のドアトリムにおいて、アームレストの上方
若しくは下方にオーナメントと呼ばれる加飾シートが、
その他の部分の表皮層と材質又は色柄を異ならせて取付
けられている。第1図及び第2図に示した例においては
、塩化ビニル樹脂塗料を塗布したハードボードからなる
基体1と、ウエルダー触着可能なウレタンフオーム2及
び軟質塩化ビニルシート3とからなる積層成形体4の軟
質塩化ビニルシート3表面の所定領域に、カーペツトな
どの加飾シート5を塩化ビニル樹脂製のモール6を使っ
て取付けたものである。このモール6は加飾シート5の
端末を隠蔽するとともに、加飾シート5を介して基体1
とモール6間を高周波ウエルダーて溶着一体止して加飾
シート5を積層成形体4上に取付けるのである。
For example, in the door trim of a vehicle, a decorative sheet called an ornament is placed above or below the armrest.
It is attached using a different material or color pattern from the skin layer of other parts. In the example shown in FIGS. 1 and 2, a base 1 made of a hardboard coated with vinyl chloride resin paint, a laminate molded body 4 made of a urethane foam 2 that can be touched by a welder, and a soft vinyl chloride sheet 3. A decorative sheet 5 such as a carpet is attached to a predetermined area on the surface of a soft vinyl chloride sheet 3 using a molding 6 made of vinyl chloride resin. This molding 6 hides the end of the decorative sheet 5 and also connects the base 1 through the decorative sheet 5.
The decorative sheet 5 is attached onto the laminated molded body 4 by welding and integrally fixing the molding 6 and the molding 6 together using a high-frequency welder.

o  s  :    −−、II しかしながら上記のドアトリムなど積層成形体4の表面
に加飾シート5を取付ける方法において、加飾シート5
の端部をクツション性のある積層成形体4の軟質塩化ビ
ニルシート3面上でモール6の溶着面の幅の範囲内で溶
着固定することは困難で、加飾シート5の端末がモール
6の外側にはみ出したり、加飾シート5とモール6との
間に隙間が生じて軟質塩化ビニルシート3がのぞくよう
な不良品がしばしば発生した。また意匠上モール6の使
用が好まれない場合があった。
o s : --, II However, in the above method for attaching the decorative sheet 5 to the surface of the laminated molded product 4 such as a door trim, the decorative sheet 5
It is difficult to weld and fix the ends of the decorative sheet 5 on the soft vinyl chloride sheet 3 surface of the laminate molded product 4 with cushioning properties within the width of the welding surface of the molding 6. There were often defective products in which the soft vinyl chloride sheet 3 protruded outward or a gap formed between the decorative sheet 5 and the molding 6 so that the soft vinyl chloride sheet 3 could be seen. Furthermore, there are cases where the use of the molding 6 is not preferred due to the design.

7.・古 ・′  ・  1 この発明の加・葎シート付き積層成形体の製造方法は、
型締により所定形状のキャビティを形成する一対の成形
型の一方の成形型の全成形面に排気機能を具備させ、そ
の成形面の所望位置に隔壁を設け、その隔壁で区分され
た所定領域の成形面に通気性の加飾シートの表側を敷設
し、その加飾シートの端部を隔壁の内面に沿って立上が
らせるか、又は立上がらせた加飾シートの端部をFM壁
の頂部に係止し、ついでその加飾シートを介して表層材
を一方の成形型の全成形面にわたって真空成形し、成形
面に吸着させた状態でその一方の成形型と他方の成形型
とを型締し、基体材料をキャビティ内に注入して成形す
ることを特徴とするものであるから、従来の問題点を解
決することができるのである。
7.・Old ・′ ・ 1 The method for producing a laminate molded product with a sludge sheet according to the present invention is as follows:
The entire molding surface of one of the pair of molds that forms a cavity of a predetermined shape by mold clamping is provided with an exhaust function, and a partition wall is provided at a desired position on the molding surface, and a predetermined area divided by the partition wall is Lay the front side of a breathable decorative sheet on the molding surface and raise the end of the decorative sheet along the inner surface of the partition wall, or place the end of the raised decorative sheet on the top of the FM wall. Then, the surface layer material is vacuum formed over the entire molding surface of one of the molds through the decorative sheet, and while it is adsorbed to the molding surface, the one mold and the other mold are connected to each other. Since it is characterized by molding by tightening the mold and injecting the base material into the cavity, the problems of the conventional method can be solved.

1−月 この発明の加飾シート付き積層成形体の製造方法は、上
記の手段から構成されているので、加飾シートを成形型
の成形面に敷設しその端部を隔壁に沿わせるか、さらに
隔壁の頂部に係止する簡単な操作により、引続いて実施
する表層材の真空成形及び基体材料の射出成形又はトラ
ンスファー成形を経て製造された積層成形体において加
飾シートの端部をその積層成形体の内部に隠蔽すること
ができるのである。
1-Month The method for producing a laminate molded product with a decorative sheet according to the present invention is comprised of the above-mentioned means. Furthermore, by a simple operation of locking onto the top of the partition wall, the end portion of the decorative sheet can be attached to the laminate in the laminate molded product manufactured through subsequent vacuum forming of the surface layer material and injection molding or transfer molding of the base material. It can be hidden inside the molded body.

なお積層成形体の表面は表皮層材料で覆われているから
、基体材料の射出成形時又はトランスファー成形時のフ
ローマーク、銀条痕、表面の曇り、気泡、黒条痕などが
積層成形体の表面に現れず、加飾シートの存在とともに
外観の優れた成形体が得られる。このため基体材料の選
択の範囲が広がる。
Since the surface of the laminate molded product is covered with the skin layer material, flow marks, silver streaks, surface cloudiness, air bubbles, black streaks, etc. during injection molding or transfer molding of the base material may occur on the laminate molded product. It does not appear on the surface, and with the presence of the decorative sheet, a molded product with an excellent appearance can be obtained. This widens the range of choices for substrate materials.

さらに基体材料は射出成形法又はトランスファー成形法
で成形されるので、成形型の成形面に凹溝を設けること
により積層成形体の裏面に補強用リブを形成することが
できるので、一定厚さのシート状基体材料を真空成形法
により成形する場合に比へ軽量でかつ強固な成形体を得
ることができる。
Furthermore, since the base material is molded by injection molding or transfer molding, reinforcing ribs can be formed on the back surface of the laminated molded product by providing grooves on the molding surface of the mold. When a sheet-like base material is molded by vacuum forming, a comparatively lightweight and strong molded product can be obtained.

見上1 この発明の実施例を図面を参照しながら説明する。Look 1 Embodiments of the invention will be described with reference to the drawings.

第3図は例えば乗用車のドアトリムをこの発明の加飾シ
ート付き積層成形体の製造方法により製造するときの一
対の成形型及び積層する各種材料の位置を示す要部断面
図である。
FIG. 3 is a sectional view of essential parts showing the positions of a pair of molds and various materials to be laminated when manufacturing, for example, a door trim of a passenger car by the method of manufacturing a laminated molded product with a decorative sheet according to the present invention.

この例では型締により所定のドアトリムの外形に相当す
るキャビティを形成する一対の射出成形型の可動型12
の成形面14の全面にわたり多数の排気孔15が閉孔さ
れていて、その排気孔15の他端は通気孔16に連なり
、通気孔16は排気バイブ17を介して図示していない
真空ポンプに連結されている。
In this example, a movable mold 12 of a pair of injection molds forms a cavity corresponding to the external shape of a predetermined door trim by mold clamping.
A large number of exhaust holes 15 are closed over the entire surface of the molding surface 14, and the other end of the exhaust hole 15 is connected to a ventilation hole 16, which is connected to a vacuum pump (not shown) via an exhaust vibrator 17. connected.

可動型12の成形面14には、ドアトリムの加飾シート
21を貼着させる部分の外縁形状に対応する所望位置に
隔壁13が巡らされている。
A partition wall 13 is provided on the molding surface 14 of the movable mold 12 at a desired position corresponding to the outer edge shape of the portion of the door trim to which the decorative sheet 21 is attached.

加飾シート21はその表側が成形面14に接するように
隔壁13内に敷設する。そして加飾シート21の端部は
隔壁13の内面に沿って立上がらせ隔壁13の頂部に係
止されている。
The decorative sheet 21 is laid within the partition wall 13 so that its front side is in contact with the molding surface 14. The end of the decorative sheet 21 is raised along the inner surface of the partition wall 13 and is locked to the top of the partition wall 13.

つぎにその加飾シート21を介して、図示していない加
熱装置にて溶融軟化された表層材22を可動型12の全
成形面にわたってa置し、排気孔15、通気孔16及び
排気バイブ17を通して排気することにより、表層材2
2を全成形面にわたり真空成形する。
Next, the surface layer material 22 melted and softened by a heating device (not shown) is placed over the entire molding surface of the movable mold 12 via the decorative sheet 21, and the exhaust hole 15, the ventilation hole 16, and the exhaust vibrator 17 are placed. By exhausting through the surface material 2
2 is vacuum formed over the entire molding surface.

次に成形された表層材22を成形面14側に吸着させた
まま、第4図に示すごとく可動型12を固定型11と型
締したのち、基体材料23をゲート18を介して通常の
射出成形法又はトランスファー成形法にてキャビティ内
に注入する。
Next, while the molded surface material 22 is adsorbed to the molding surface 14 side, the movable mold 12 is clamped to the fixed mold 11 as shown in FIG. Inject into the cavity using molding or transfer molding.

冷却後両型11.12を型開きして成形体を取り出すと
第5図に示したように積層成形体30が得られる。この
積層成形体30の表層材22の不用部分をAで切断し、
その端部を、基体材023を成形して得られた基体24
側に折り返し、基体24に固着するとドアトリムが得ら
れる。
After cooling, both molds 11 and 12 are opened to take out the molded body, and a laminated molded body 30 is obtained as shown in FIG. The unnecessary part of the surface material 22 of this laminated molded body 30 is cut at A,
A base material 24 obtained by molding the base material 023 at the end thereof
A door trim is obtained by folding it back to the side and fixing it to the base body 24.

可動型12の成形面14に開孔される排気孔】5の孔径
は0.2ないし0.8mmである。孔径が小なるときは
排気能力が劣るため孔数を増す必要があり、孔径が大な
る場合基体材料23の射出成形時の圧力により加飾シー
ト21及び表層材22の表側に回復不可能な孔路を残す
ことがある。
The exhaust hole 5 formed in the molding surface 14 of the movable mold 12 has a hole diameter of 0.2 to 0.8 mm. When the hole diameter is small, the number of holes needs to be increased because the exhaust capacity is poor, and when the hole diameter is large, the pressure during injection molding of the base material 23 causes unrecoverable holes on the front side of the decorative sheet 21 and the surface material 22. Sometimes it leaves a trail.

従って孔径は、加飾シート21及び表層t第22の材質
、射出成形時の成形圧力を考慮して定められる。
Therefore, the hole diameter is determined in consideration of the materials of the decorative sheet 21 and the surface layer t22, and the molding pressure during injection molding.

この発明において使用される加飾シート21としては、
通気性の合成樹脂シート、織布、不織布、編布、カーペ
ット、及びそれらの材料の複合積層シートなどがある。
The decorative sheet 21 used in this invention includes:
Examples include breathable synthetic resin sheets, woven fabrics, non-woven fabrics, knitted fabrics, carpets, and composite laminated sheets of these materials.

この加飾シート21の裏面に、表層材22との結合を強
めるために、通気性を損なわない程度に接着剤を塗布す
ることもある。なお加飾シート21が厚手の材料のとき
、または成形面14の隔壁13で囲まれた所定領域に複
雑な凹凸がある場合、加飾シート21を敷設前に予め別
の成形型で隔壁13に係止する部分を含めて成形面に沿
うように予備成形しておくとよい。
In order to strengthen the bond with the surface material 22, an adhesive may be applied to the back surface of the decorative sheet 21 to the extent that air permeability is not impaired. Note that when the decorative sheet 21 is made of a thick material, or when the predetermined area of the molding surface 14 surrounded by the partition wall 13 has complicated unevenness, the decorative sheet 21 is molded in advance into the partition wall 13 using another mold before being laid. It is advisable to pre-form it so that it follows the molding surface, including the part to be locked.

表層材22は単層の熱可塑性合成樹脂や熱可塑性エラス
トマーのシート、並びにそれらのシートや成形追従性の
ある編布など展伸可能な繊維材料とPVCSPE、PP
、ポリウレタンなどの高発泡体との積層シートが使用さ
れる。それらの単層シートや積層シートの裏面、即ち基
体材料23と接する側に、保護フィルムを貼着しておく
と、基体材料23の熱や流動により前記単層シートや積
層シートが切断されたり、積層シートの高発泡体層の気
泡が部分的に熱により破壊されることを防止するほか、
嵩高い高発泡体層を含む表層材22によりキャビティが
殆ど充満され、基体材料23の流域が塞がれている状態
での基体材P123の流動を滑らかにし、かつ表層材2
2と基体材料23との接着を強固にする。
The surface layer material 22 is a single-layer thermoplastic synthetic resin or thermoplastic elastomer sheet, as well as those sheets, a stretchable fiber material such as a knitted fabric with moldability, and PVCSPE, PP.
, a laminated sheet with a highly foamed material such as polyurethane is used. If a protective film is pasted on the back side of these single-layer sheets or laminated sheets, that is, on the side in contact with the base material 23, the single-layer sheet or laminated sheet will be cut by the heat or flow of the base material 23, In addition to preventing the bubbles in the high foam layer of the laminated sheet from being partially destroyed by heat,
The cavity is almost filled with the surface material 22 including the bulky high foam layer, and the flow of the base material P123 is smoothed in a state where the flow area of the base material 23 is blocked, and the surface material 22
2 and the base material 23 is strengthened.

この保護フィルムとして、積層する基体材料23がオレ
フィン系の材料の場合には、ゴム成分が30乃至70%
であるオレフィン系熱可塑性エラストマーの単独若しく
はオレフィン系樹脂とのブレンド材料の厚さ0.2ない
しo、7rnmのフィルムが使用される。基体材料23
がへBS樹脂で、表層材22が軟質塩化ビニル樹脂シー
トの場合保護フィルムはそれら両樹脂のブレンド品から
作られたフィルムがよい。なお、基体材料23を注入す
るゲート18に対向する位置の保護フィルムが、基体材
料23の熱と圧力により融解したり、さらにそのために
表層材22中の高発泡体層のセルが破壊する場合は、ゲ
ート18に対向する保護フィルム面部分にアルミニウム
箔や厚紙片を貼着しておくとよい。
When the base material 23 to be laminated as this protective film is an olefin-based material, the rubber component is 30 to 70%.
A film of olefinic thermoplastic elastomer alone or blended with olefinic resin having a thickness of 0.2 to 7 nm is used. Base material 23
When the BS resin is used and the surface layer material 22 is a soft vinyl chloride resin sheet, the protective film is preferably a film made from a blend of these two resins. Note that if the protective film at the position facing the gate 18 into which the base material 23 is injected melts due to the heat and pressure of the base material 23, or if the cells of the high foam layer in the surface material 22 are destroyed due to this, It is preferable to attach aluminum foil or a piece of cardboard to the surface of the protective film facing the gate 18.

基体材料23は、PE、PP5ABS、ポリアセタール
、ポリカーボネートなど熱可塑性樹脂の単独又はそれら
をブレンドした材料が使用される。
The base material 23 is made of a thermoplastic resin such as PE, PP5ABS, polyacetal, polycarbonate, or a blend thereof.

またそれらの材料に炭酸カルシウム、ガラス繊維などの
無機質の充填剤や補強材、および木粉や繊維質材料など
の有機質の充填剤や補強材を含有させることも可能であ
る。さらに完全硬化前の加熱流動性のある熱硬化性の樹
脂若しくはゴム配合物も同様に使用することができろ。
It is also possible to incorporate inorganic fillers and reinforcing materials such as calcium carbonate and glass fiber, and organic fillers and reinforcing materials such as wood flour and fibrous materials into these materials. Furthermore, heat-flowable thermosetting resins or rubber compounds before complete curing can be used as well.

また前記各樹脂若しくはゴム配合物に発泡剤を添加した
基体材料を使用すると、発泡した基体を製造することが
できる。なお積層成形体の表面は表皮層材料で覆われて
いるから、基体材料の射出成形時のフローマーク、銀条
痕、表面の曇り、気泡、黒条痕などが積層成形体の表面
に現れないから、着色された再生材料、木粉など含水充
填剤を含む材料、分解しやすい材料なども使用すること
ができる。このため基体材料23の選択の範囲が広がる
Further, by using a base material in which a foaming agent is added to each of the above-mentioned resins or rubber compounds, a foamed base can be produced. Since the surface of the laminate molded product is covered with the skin layer material, flow marks, silver streaks, surface cloudiness, air bubbles, black streaks, etc. that occur during injection molding of the base material do not appear on the surface of the laminate molded product. , colored recycled materials, materials containing water-containing fillers such as wood flour, and materials that are easily decomposed can also be used. This widens the range of choices for the base material 23.

このような基体材料23を多点のビンポイントゲート又
はダイレクトゲートな経てキャビティ内に注入する。第
3図及び第4図に示した成形型の固定型11は、多点の
ビンポイントゲ−)18方式を採用した例であるが、固
定型11は型プレート9とキャビティプレート10とに
分割されている。
Such a base material 23 is injected into the cavity through multiple bin point gates or direct gates. The fixed mold 11 of the mold shown in FIGS. 3 and 4 is an example in which a multi-point bin point game) 18 method is adopted, but the fixed mold 11 is divided into a mold plate 9 and a cavity plate 10. has been done.

可動型12の成形面14の所望位置に埋設する隔壁13
は、帯金、鋸刃などの適宜な帯状材料、又は成形面14
に適当な間隔をあけて植設した複数の針状体で、成形面
14より例えば3乃至20mm突出させである。隔壁1
3の厚さは、第5図に示した成形済みの加飾シート付き
積層成形体30の凹部25の幅、即ち成形体30の表側
における表層材22と加飾シート21との境界の間隙と
なる。従って隔d13の厚さは真空及び射出成形時若し
くはトランスファー成形時に変形しない限り薄いことが
好ましく、通常は0.2乃至3.0mmである。なお加
飾シート21が毛長のカーペットや植毛された材料の場
合並びに表層材22が高発泡体を含む積層シートの場合
基体材料23の射出成形時にその厚さを減じ、成形型か
ら取り出したとき再びその厚さを回復するので表層材2
2と加飾シート21との上記間隙を埋めることもできる
Partition wall 13 buried in a desired position on molding surface 14 of movable mold 12
is a suitable band-shaped material such as a band, a saw blade, or a molded surface 14.
A plurality of needle-like bodies are implanted at appropriate intervals and protrude from the molding surface 14 by, for example, 3 to 20 mm. Bulkhead 1
3 is the width of the recess 25 of the formed laminated molded body 30 with a decorative sheet shown in FIG. Become. Therefore, the thickness of the gap d13 is preferably thin as long as it does not deform during vacuum, injection molding, or transfer molding, and is usually 0.2 to 3.0 mm. In addition, when the decorative sheet 21 is a long-hair carpet or a flocked material, and when the surface material 22 is a laminated sheet containing a high foam material, the thickness is reduced during injection molding of the base material 23, and when taken out from the mold. Since the thickness is restored again, the surface layer material 2
2 and the decorative sheet 21 can also be filled.

上記実施例では加飾シート21の端部を隔壁13の内面
に沿って立上がらせ、かつ隔壁13の頂部に係止したが
、所定の形状に切断され必要ζこ応して予備成形をされ
た加飾シー)21の端部を隔壁13の内面に沿って立上
がらせるだけでもよ−1゜ただ立上がらせ、かつ隔壁の
頂部に係止すると表層材22の真空成形時に加飾シー)
21が移動するのを防止することできる。
In the above embodiment, the end of the decorative sheet 21 was raised along the inner surface of the partition wall 13 and was secured to the top of the partition wall 13, but it was cut into a predetermined shape and preformed as necessary. It is also possible to simply raise the end of the decorative seam 21 along the inner surface of the partition wall 13.If the end of the decorative seam 21 is raised by just 1° and is secured to the top of the partition wall, the decorative seam 21 can be used during vacuum forming of the surface material 22.
21 can be prevented from moving.

上述の実施例において、可動型12の成形面14に排気
機能を具備させ、その成形面14に隔壁13を設は加飾
シート21付き積層成形体30を製造する方法を述べた
が、固定型11の成形面ζこ排気機能を具備させ、その
固定型11の成形面に隔壁を設け、加飾シートを排気に
よる吸着作用により成形面に付着させて敷設し、表層材
を固定型11側に真空成形し、次いで両型11.12を
型締して基体材料23をキャビティ内に射出成形して加
飾シート付き積層成形体を製造することもできる。この
とき表層材22及び場合によって加飾シート21にも、
基体材料23を注入するゲート位置に透孔を設けなけれ
ばならない。またこの方法を前記の可動型12側に表層
材22を真空成形する実施例と併用すると基体24の両
側面に、所望位置に加飾シート21を貼着した表層材2
2で覆った積層成形体を得ることが可能である。
In the above embodiment, the molding surface 14 of the movable mold 12 is equipped with an exhaust function, and the molding surface 14 is provided with the partition wall 13. The molding surface ζ of the fixed mold 11 is provided with an exhaust function, a partition wall is provided on the molding surface of the fixed mold 11, a decorative sheet is adhered to the molding surface by the adsorption effect of the exhaust air, and the surface layer material is placed on the fixed mold 11 side. It is also possible to manufacture a laminate molded product with a decorative sheet by vacuum forming, then by clamping both molds 11 and 12 and injection molding the base material 23 into the cavity. At this time, also in the surface material 22 and in some cases the decorative sheet 21,
A through hole must be provided at the gate location where the substrate material 23 is injected. Moreover, when this method is used in combination with the embodiment in which the surface layer material 22 is vacuum formed on the movable mold 12 side, the surface layer material 22 is attached to both sides of the base 24 at desired positions.
It is possible to obtain a laminate molded body covered with 2.

また、表層材22を真空成形するにあたり、その表層材
22の表皮が熱可塑性樹脂シートの場合、成形面14に
シボ模様を刻設しておくと、真空成形と同時に表層材2
2の表面にシボが形成されるので、加飾シー)21によ
る装飾効果とともに積層成形体の外観が極めて豪華とな
る。このとき隔壁13自体の所定領域外面側にもシボ模
様を刻設しておくとよい。これは加飾シート21と表層
材22との境界で、表層材22にシボ抜けの部分が生じ
て不自然となるのを防ぐことができる。
In addition, when vacuum forming the surface material 22, if the skin of the surface material 22 is a thermoplastic resin sheet, if a grain pattern is carved on the molding surface 14, it is possible to form the surface material 22 at the same time as the vacuum forming.
Since the grains are formed on the surface of the decorative sheet 21, the appearance of the laminated molded product is extremely luxurious as well as the decorative effect of the decorative sheet 21. At this time, it is preferable to carve a grain pattern on the outer surface of a predetermined region of the partition wall 13 itself. This can prevent the surface layer material 22 from having a rough portion at the boundary between the decorative sheet 21 and the surface layer material 22, resulting in an unnatural appearance.

第3図の一対の成形型の固定型11に凹溝19を刻設し
である。これは相対する可動型12の隔壁13に対応す
る位置に設けられていて、基体材#23の射出成形時又
はトランスファー成形時に於ける流動を滑らかにするも
のであるが、隔壁13に対応する位置のみならず固定型
11の成形面に凹溝を刻設すると積層成形体30に補強
用リブを形成することができる。このように適正位置に
補強用リブを設けることにより基体全体の厚さを減じる
ことができるので、経世で強固な積層成形体30が得ら
れる。
A concave groove 19 is carved into the fixed mold 11 of the pair of molds shown in FIG. This is provided at a position corresponding to the partition wall 13 of the opposing movable mold 12, and is used to smooth the flow during injection molding or transfer molding of the base material #23. In addition, by carving grooves on the molding surface of the fixed mold 11, reinforcing ribs can be formed in the laminated molded body 30. By providing the reinforcing ribs at appropriate positions in this way, the thickness of the entire base can be reduced, so that a laminate molded product 30 that is strong over time can be obtained.

以上の実施例において隔壁13で区分される所定領域を
一箇所として説明したが、複数場所に設けることもでき
る。また積層体の端部にまで加飾シート21を貼着する
ときや、加飾シー)21の端部を隠蔽しなくてもよい部
分がある場合は、加飾シート21を敷設する所定領域の
全周にわたって隔壁13を設けなくてもよい。
In the above embodiments, the predetermined area divided by the partition wall 13 was explained as one location, but the predetermined area may be provided in a plurality of locations. In addition, when pasting the decorative sheet 21 to the end of the laminate, or when there is a part where the end of the decorative sheet 21 does not need to be hidden, the designated area where the decorative sheet 21 is laid is It is not necessary to provide the partition wall 13 over the entire circumference.

また隔壁13で区分される所定領域を三箇所以上とし、
その一部には加飾シート21を敷設することなく表層材
22を真空成形し、ついで基体材料23を注入して積層
成形体30を製造したのち上記加飾シート21を敷設し
なかった所定領域の表層材22を隔壁で形成された細溝
の底で切断して剥ぎ取ると、表面に加飾シート21、表
層材22及び基体材料23が現出した、色調、表面状態
が部分的に異なった、多様性にとんだ積層成形体を30
を得ることができる。
In addition, the predetermined area divided by the partition wall 13 is three or more places,
A surface layer material 22 is vacuum-formed without laying a decorative sheet 21 on a part thereof, and then a base material 23 is injected to produce a laminated molded body 30, and then a predetermined area where the decorative sheet 21 is not laid. When the surface layer material 22 is cut and peeled off at the bottom of the narrow groove formed by the partition wall, the decorative sheet 21, surface layer material 22, and base material 23 are exposed on the surface, and the color tone and surface condition are partially different. In addition, we have produced 30 diverse laminated molded products.
can be obtained.

生班豊激】 この発明の加飾シート付き積層成形体の製造方法は、上
記のように構成されているから次のような効果を有する
Since the method for manufacturing a laminate molded article with a decorative sheet according to the present invention is configured as described above, it has the following effects.

加飾シートを成形型の成形面に敷設しその端部を隔壁に
沿わせるかさらに隔壁の頂部に係止する簡単な操作によ
り、引続いて実施する表層材の真空成形及び基体材料の
射出成形又はトランスファー成形を経て製造された積層
成形体において加飾シートの端部なその積層成形体の内
部に隠蔽することができる。従って後工程により加飾シ
ートを貼着する手間が省かれ、位置ずれもなく積層成形
体の所望位置に、その成形と同時に貼着でき、端部が見
えず見栄えも良いので加飾シートの装飾効果をさらに高
める。
The subsequent vacuum forming of the surface material and injection molding of the base material can be carried out by a simple operation of laying the decorative sheet on the molding surface of the mold and aligning its end along the partition wall or further securing it to the top of the partition wall. Alternatively, in a laminate molded product manufactured through transfer molding, it can be hidden inside the laminate molded product, such as at the end of the decorative sheet. Therefore, the labor of pasting the decorative sheet in the post-process is saved, and it can be pasted at the desired position of the laminated molded product at the same time as the molding without positional deviation, and the edges are not visible and the appearance is good, so the decorative sheet can be used as a decoration. further enhance the effect.

また、基体材料は射出成形法又はトランスファー成形法
で成形されるので、成形型の成形面に凹溝を設けること
により積層成形体の裏面に補強用リブを形成することが
できるので、一定厚さのシート状の基体材料を真空成形
法により成形する場合に比べ軽量でかつ強固な成形体を
得ることができる。
In addition, since the base material is molded by injection molding or transfer molding, reinforcing ribs can be formed on the back surface of the laminated molded product by providing grooves on the molding surface of the mold, so that a constant thickness can be achieved. It is possible to obtain a molded product that is lighter and stronger than when molding a sheet-like base material using a vacuum forming method.

さらに、成形型の表層材成形面にシボ模様を刻設してお
くと、真空成形と同時に表層材の表面にシボが形成され
るので、加飾シートによる装飾効果とともに積層成形体
の外観が極めて豪華となる。
Furthermore, if a grain pattern is engraved on the molding surface of the surface layer material of the mold, the grain will be formed on the surface of the surface layer material at the same time as vacuum forming, and the appearance of the laminated molded product will be extremely improved as well as the decorative effect of the decorative sheet. It becomes luxurious.

なお積層成形体の表面は表皮層材料で覆われているから
、基体材料の射出成形時又はトランスファー成形時のフ
ローマーク、銀条痕、表面の曇り、気泡、黒条痕などが
積層成形体の表面に現れず、加飾シートの存在とともに
外観の優れた成形体が得られる。このため基体材料の選
択の範囲が広がる。
Since the surface of the laminate molded product is covered with the skin layer material, flow marks, silver streaks, surface cloudiness, air bubbles, black streaks, etc. during injection molding or transfer molding of the base material may occur on the laminate molded product. It does not appear on the surface, and with the presence of the decorative sheet, a molded product with an excellent appearance can be obtained. This widens the range of choices for substrate materials.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来の加飾シート付き成形体の斜視図、第2図
は第1図の成形体の断面図、第3図はこの発明の一実施
例で一対の成形型と積層する各種材料の位置を示す要部
断面図、第4図は第3図の成形型を型締した状態を示す
要部断面図、第5図は得られた積層成形体の断面図であ
る。 11.12・・一対の成形型  13・・・隔壁14・
・・成形面    21・・・加飾シート22・・・表
層材    23・・・基体材料30・・・加飾シート
付き積層成形体 第1図
Fig. 1 is a perspective view of a conventional molded product with a decorative sheet, Fig. 2 is a sectional view of the molded product shown in Fig. 1, and Fig. 3 is an embodiment of the present invention, showing a pair of molds and various materials to be laminated. FIG. 4 is a cross-sectional view of the main part showing the position of the mold shown in FIG. 3 in a clamped state, and FIG. 11.12... Pair of molds 13... Partition wall 14.
... Molding surface 21 ... Decorative sheet 22 ... Surface layer material 23 ... Base material 30 ... Laminated molded product with decorative sheet Fig. 1

Claims (1)

【特許請求の範囲】[Claims] 型締により所定形状のキャビティを形成する一対の成形
型の一方の成形型の全成形面に排気機能を具備させ、そ
の成形面の所望位置に隔壁を設け、その隔壁で区分され
た所定領域の成形面に通気性の加飾シートの表側を敷設
し、その加飾シートの端部を隔壁の内面に沿って立上が
らせるか、又は立上がらせた加飾シートの端部を隔壁の
頂部に係止し、ついでその加飾シートを介して表層材を
一方の成形型の全成形面にわたって真空成形し、成形面
に吸着させた状態でその一方の成形型と他方の成形型と
を型締し、基体材料をキャビティ内に注入して成形する
ことを特徴とする加飾シート付き積層成形体の製造方法
The entire molding surface of one of the pair of molds that forms a cavity of a predetermined shape by mold clamping is provided with an exhaust function, and a partition wall is provided at a desired position on the molding surface, and a predetermined area divided by the partition wall is Lay the front side of a breathable decorative sheet on the molding surface and raise the edge of the decorative sheet along the inner surface of the partition wall, or place the raised end of the decorative sheet on the top of the partition wall. Then, the surface layer material is vacuum-formed over the entire molding surface of one of the molds through the decorative sheet, and the one mold and the other mold are clamped while it is adsorbed to the molding surface. A method for producing a laminate molded product with a decorative sheet, characterized in that the base material is injected into a cavity and molded.
JP18426386A 1986-08-07 1986-08-07 Manufacture of laminated molding with decorative sheet Granted JPS6341116A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18426386A JPS6341116A (en) 1986-08-07 1986-08-07 Manufacture of laminated molding with decorative sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18426386A JPS6341116A (en) 1986-08-07 1986-08-07 Manufacture of laminated molding with decorative sheet

Publications (2)

Publication Number Publication Date
JPS6341116A true JPS6341116A (en) 1988-02-22
JPH0411093B2 JPH0411093B2 (en) 1992-02-27

Family

ID=16150256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18426386A Granted JPS6341116A (en) 1986-08-07 1986-08-07 Manufacture of laminated molding with decorative sheet

Country Status (1)

Country Link
JP (1) JPS6341116A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02102010A (en) * 1988-10-11 1990-04-13 Japan Steel Works Ltd:The Sticking molding method
JPH04128018A (en) * 1990-05-02 1992-04-28 Duotec Prod Assoc Method for forming formed plastic panel with insert
FR2720319A1 (en) * 1994-05-26 1995-12-01 Cera Inclusion of decoration, partic. textile into plastic part using two part mould
WO2000000340A1 (en) * 1998-06-29 2000-01-06 Delphi Technologies, Inc. Method of making trim panel having two different trim materials
US6054087A (en) * 1994-05-26 2000-04-25 Centre D'etudes Et Recherche Pour L'automobile (Cera) Process for including a decoration, particularly a textile decoration, in a piece of plastic material
JP2001277290A (en) * 2000-04-03 2001-10-09 Japan Polychem Corp Method for manufacturing skin integrated molded article
US6342176B2 (en) 1997-12-25 2002-01-29 Toyoda Gosei Co., Ltd. Methods for molding resin-molded articles
JP2004299340A (en) * 2003-03-31 2004-10-28 Yoshino Kogyosho Co Ltd Method of molding patterned transparent synthetic resin lid and die used for the method
CN101791861A (en) * 2010-04-17 2010-08-04 潘震州 One-step molding device for double-layer thick plastic sheet and molding process thereof
JP2011527951A (en) * 2008-02-22 2011-11-10 ジョンソン コントロールズ インテリアズ ゲーエムベーハー アンド カンパニー カーゲー Especially for automotive parts and their manufacturing process
JP2014113766A (en) * 2012-12-11 2014-06-26 Nissha Printing Co Ltd Solid decorative molding article, and production method of the same
US10059040B2 (en) 2014-03-12 2018-08-28 Reydel Automotive B.V. Method for molding interior and exterior members of vehicles

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159466A (en) * 1978-06-06 1979-12-17 Dainippon Printing Co Ltd Manufacturing of decorative resin molded article

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159466A (en) * 1978-06-06 1979-12-17 Dainippon Printing Co Ltd Manufacturing of decorative resin molded article

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02102010A (en) * 1988-10-11 1990-04-13 Japan Steel Works Ltd:The Sticking molding method
JPH0542936B2 (en) * 1988-10-11 1993-06-30 Japan Steel Works Ltd
JPH04128018A (en) * 1990-05-02 1992-04-28 Duotec Prod Assoc Method for forming formed plastic panel with insert
FR2720319A1 (en) * 1994-05-26 1995-12-01 Cera Inclusion of decoration, partic. textile into plastic part using two part mould
US6054087A (en) * 1994-05-26 2000-04-25 Centre D'etudes Et Recherche Pour L'automobile (Cera) Process for including a decoration, particularly a textile decoration, in a piece of plastic material
US6342176B2 (en) 1997-12-25 2002-01-29 Toyoda Gosei Co., Ltd. Methods for molding resin-molded articles
US6093272A (en) * 1998-06-29 2000-07-25 General Motors Corporation Method of making trim panel having two different trim materials
WO2000000340A1 (en) * 1998-06-29 2000-01-06 Delphi Technologies, Inc. Method of making trim panel having two different trim materials
JP2001277290A (en) * 2000-04-03 2001-10-09 Japan Polychem Corp Method for manufacturing skin integrated molded article
JP2004299340A (en) * 2003-03-31 2004-10-28 Yoshino Kogyosho Co Ltd Method of molding patterned transparent synthetic resin lid and die used for the method
JP4502172B2 (en) * 2003-03-31 2010-07-14 株式会社吉野工業所 Method for molding transparent lid with synthetic resin pattern and mold used in the molding method
JP2011527951A (en) * 2008-02-22 2011-11-10 ジョンソン コントロールズ インテリアズ ゲーエムベーハー アンド カンパニー カーゲー Especially for automotive parts and their manufacturing process
CN101791861A (en) * 2010-04-17 2010-08-04 潘震州 One-step molding device for double-layer thick plastic sheet and molding process thereof
JP2014113766A (en) * 2012-12-11 2014-06-26 Nissha Printing Co Ltd Solid decorative molding article, and production method of the same
US10059040B2 (en) 2014-03-12 2018-08-28 Reydel Automotive B.V. Method for molding interior and exterior members of vehicles

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