JPS6341116A - Manufacture of laminated molding with decorative sheet - Google Patents
Manufacture of laminated molding with decorative sheetInfo
- 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
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims abstract description 90
- 238000005192 partition Methods 0.000 claims abstract description 36
- 239000002344 surface layer Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 3
- 238000013022 venting Methods 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 13
- 238000001721 transfer moulding Methods 0.000 description 9
- 238000007666 vacuum forming Methods 0.000 description 9
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 235000013339 cereals Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- -1 flow marks Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920002397 thermoplastic olefin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection 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
- B29C45/14467—Joining 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
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.
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)
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.
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)
| 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)
| 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 |
-
1986
- 1986-08-07 JP JP18426386A patent/JPS6341116A/en active Granted
Patent Citations (1)
| 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)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0411093B2 (en) | 1992-02-27 |
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