JP3048421B2 - Method for manufacturing an injection-molded article - Google Patents

Method for manufacturing an injection-molded article

Info

Publication number
JP3048421B2
JP3048421B2 JP18242791A JP18242791A JP3048421B2 JP 3048421 B2 JP3048421 B2 JP 3048421B2 JP 18242791 A JP18242791 A JP 18242791A JP 18242791 A JP18242791 A JP 18242791A JP 3048421 B2 JP3048421 B2 JP 3048421B2
Authority
JP
Japan
Prior art keywords
sheet
cavity
female
heating
injection
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.)
Expired - Fee Related
Application number
JP18242791A
Other languages
Japanese (ja)
Other versions
JPH0524070A (en
Inventor
顕隆 三宅
弘 阿部
Original Assignee
積水化学工業株式会社
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 積水化学工業株式会社 filed Critical 積水化学工業株式会社
Priority to JP18242791A priority Critical patent/JP3048421B2/en
Publication of JPH0524070A publication Critical patent/JPH0524070A/en
Application granted granted Critical
Publication of JP3048421B2 publication Critical patent/JP3048421B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

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
    • B29C45/1418Injection 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 the inserts being deformed or preformed, e.g. by the injection pressure
    • 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
    • B29C45/1418Injection 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 the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C2045/14213Injection 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 the inserts being deformed or preformed, e.g. by the injection pressure deforming by gas or fluid pressure in the mould cavity
    • 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
    • B29C45/1418Injection 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 the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C2045/14286Injection 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 the inserts being deformed or preformed, e.g. by the injection pressure means for heating the insert

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、射出成形を行う際、予め雌型のキャビティ内にシートを貼付して、その後型を締めて成形する射出成形品の製造方法に関し、より詳しくは、自動車、バイク等の車両ボディからOA機器・家電製品等のハウジングや文具等、表面加飾を伴う分野や、表面硬度、耐候性改善、ソフトタッチ付与等の機能付与を必要とする分野の射出成形品の製造方法に関するものである。 BACKGROUND OF THE INVENTION This invention is, when performing injection molding, by attaching the sheet to advance female cavity, it relates to a process for the preparation of an injection molded article for molding by tightening then type, and more particularly, automobile , housing and stationery such as OA equipment and home appliances from the vehicle body bikes etc., or areas with a surface decoration, surface hardness, weather resistance improving, injection molded articles of the fields requiring functionalization such as soft touch imparted the method of manufacturing the present invention relates.

【0002】 [0002]

【従来の技術】近年、日用品や自動車の内装等のプラスチックス成形品の付加価値アップとして、射出成形する際同時に、シートに印刷された模様を転写する方法や、 In recent years, as a value-added-up of plastics moldings of interior such as daily necessities, automobile, and a method of transferring a pattern that has been printed at the same time, on the sheet during injection molding,
熱可塑性のシートを貼付する方法等が行われている。 How to attach the thermoplastic sheet and the like are performed. 例えば、特開昭59ー202830号公報に、絵柄を印刷した連続シートを、通気口を有する加熱部材と枠部材の間に狭持し、次いで射出成形用金型に供給し、シートを射出成形用雌型に対向して保持し、次いでこのシートの雌型に対向して保持された部分を、加熱部材と雌型の間で加熱するとともに真空・圧空成形でシートを金型表面に密着(予備成形)させて射出成形を行う装置が提案されている。 For example, in JP-A-59 over 202 830, a continuous sheet of printing a pattern, and sandwiched between the heating member and the frame member having a vent, and then fed to an injection molding die, injection molding a sheet and held against the use female, then contact the opposite held in part to the female of the sheet, the sheet to the mold surface by vacuum-pressure forming with heating between the heating member and the female ( preforming) is not performing the injection molding apparatus has been proposed.

【0003】 [0003]

【発明が解決しようとする課題】特開昭59ー202830号公報の方法によると、深絞りの成形品の表面にシートに印刷された模様を転写することや、熱可塑性のシートを貼付することが可能である。 According to JP 59 over 202 830 JP methods [0006], and transferring the pattern printed on the sheet on the surface of the molded article of the deep drawing, to affix the thermoplastic sheet it is possible. しかし、シートを雌型に予備成形する際に金型の入り隅部などではシートが大きく伸ばされることから、シートの膜厚が部分的に非常に薄くなり、得られた成形品の外観が低下したり、耐久性に問題が生じる場合があった。 However, since the like corners enters the mold sheet is stretched greatly when preforming the sheet into the female mold, the thickness of the sheet is partially made very thin, the appearance of the resulting molded article is lowered or, in some cases, a problem in durability occurs.

【0004】本発明は上記問題点を解決したものであり、その目的とするところは、成形時のシートの膜厚を厚くさせ、深絞りの成形品のコーナー部等、シートが薄くなる部分を改善し、深絞り製品へのシート被覆を可能とする射出成形品の製造方法を提供することにある。 [0004] The present invention has solved the above problems, it is an object of the thickness of the sheet at the time of molding is large, the corner portion or the like of the deep drawing of the molded article, a portion where the sheet is thin improved to provide a method for manufacturing an injection-molded article to allow sheet coating to deep drawn products.

【0005】 [0005]

【課題を解決するための手段】本発明の射出成形品の製造方法は、一方側が開口したキャビティと、該キャビティの開口周縁に設けられた凹段部と、該凹段部に設けられた気体吹き出し口とを有する雌型と、通気口を有する加熱盤との間にシートを保持してシートを加熱する工程、該加熱盤の通気口から気体を吹き出すとともに、該雌型の気体吹き出し口から気体を吹き出すことによりシートを変形させてキャビティ内に配設する工程、該シートで囲まれたキャビティ内の圧力を外気圧に比べて低くすることによりシートを該キャビティ内に密着させる工程、および該キャビティ内に樹脂を射出する工程を包含し、このことにより上記目的が達成される。 Method for manufacturing an injection-molded article of the present invention According to an aspect of, on the one hand a cavity side is open, and a recessed step portion provided on the periphery of the opening of the cavity, the gas provided in the concave stepped portion a female and a outlet, heating the sheet by holding the sheet between a heating panel having a vent, with blowing gas from the vent of the heating plate, the gas outlet of the female step of disposing by deforming the sheet into the cavity by blowing gas, the step of adhering the sheet in the cavity by the pressure in the cavity enclosed by the sheet lower than the outside pressure, and the the resin comprising the step of injecting into the cavity, the above-mentioned object can be achieved by this.

【0006】以下本発明を図面に基づいて説明する。 [0006] will be described with reference to the accompanying drawings of the present invention below.

【0007】図1(a)〜(f)は本発明の製造方法に使用する射出成形装置の一例を示したものであり、この装置は、一側方が開口するキャビティ4が設けられた雌型3、凸部5aを有する雄型5、加熱盤1、およびキャビティ4内に樹脂を供給するための射出成形機8を備えている。 [0007] Figure 1 (a) ~ (f) are those showing an example of an injection molding apparatus used in the production method of the present invention, the apparatus, female cavity 4 which opens better one side is provided type 3, a male die 5 having a convex portion 5a, the heating panel 1, and an injection molding machine 8 for supplying resin to the cavity 4.

【0008】加熱盤1には、その表面に開口部を有する吸引口1aが設けられ、シート2を吸着できるように構成されている(その加熱盤1の表面温度は均一の方が好ましい)。 [0008] heating panel 1, suction port 1a is provided with an opening on its surface, and is configured to adsorb the sheet 2 (the surface temperature of the heating panel 1 it is preferable for uniform).

【0009】雌型3のキャビティ4の開口周縁の全周もしくは一部には凹段部10が設けられている。 [0009] the entire circumference or a part of the periphery of the opening of the female mold 3 of cavity 4 is recessed step 10 is provided. 従ってキャビティ4は、その凹段部10の内側に形成される広口部4aと、その底部に形成される広口部4aに比べて開口面積が小さい樹脂注入部4bとを有している。 Thus the cavity 4 has a wide opening 4a which is formed inside of the recessed step 10, and a resin injection portion 4b opening area is smaller than that of the wide-mouthed portion 4a which is formed at the bottom thereof. その凹段部10には、シート2を押上げ、および脱気するための空気吹き出し口3bが設けられ、また雌型3にはキャビティ4の底部に開口する通気口3aが設けられている。 Its recessed step 10, the sheet 2 pushed up, and are air outlet 3b for the provided degassing, also the female 3 vents 3a is provided to open the bottom of the cavity 4. 雌型3の枠部の外面には全周にわたってシール材3 Sealant 3 over the entire circumference on the outer surface of the frame portion of the female mold 3
c(Oリング)が設けられている。 c (O-ring) is provided.

【0010】上記雄型5の凸部5aには、図1(f)に示すように、雌型3と嵌合させた時に凹段部10に小間隔を介して対向する凸段部5bと樹脂注入部4bに突入する凸部5cが形成されている。 [0010] The convex portion 5a of the male mold 5, as shown in FIG. 1 (f), the convex stepped portion 5b that face each other with a small spacing recessed step 10 when mated with the female mold 3 convex portion 5c enters the resin injection portion 4b is formed. そして、この雄型5の凸部5cにはゲート6が設けられている。 The gate 6 is provided in the projecting portion 5c of the male mold 5.

【0011】このような装置を用いて射出成形品を製造するには、まず図1(b)に示すように、シート2を加熱盤1の加熱面に押し付けシート2を吸引口1aからの吸引により加熱面に密着させてシート2を加熱する。 [0011] To produce the injection-molded article by using such a device, first, as shown in FIG. 1 (b), the suction of the sheet 2 pressed the sheet 2 on the heating surface of the heating panel 1 through the suction port 1a and brought into close contact with the heating surface by heating the sheet 2. 次に、図1(c)に示すように、加熱盤1とシート2を雌型3のキャビティ4の側面まで移送し、シール材3cの端面に接触させる。 Next, as shown in FIG. 1 (c), and transferring the heated plate 1 and the sheet 2 to the sides of the cavity 4 of the female mold 3 is brought into contact with an end surface of the seal member 3c.

【0012】次に、図1(d)に示すように、加熱盤1 [0012] Next, as shown in FIG. 1 (d), the heating panel 1
に設けられた通気口1aから2〜10kg/cm 2程度の圧搾空気(気体)を噴出し、同時に雌型3の圧搾空気吹き出し口3bより同程度の圧搾空気を噴出して、シート2の中央部をキャビティ4内に押し込みながら凹段部10に対応するシート2を延ばす。 Spewing 2 to 10 kg / cm 2 about compressed air (gas) from the ventilation opening 1a provided in, and simultaneously jetting compressed air comparable from a compressed air outlet 3b of the female mold 3, the center of the seat 2 part of extending the sheet 2 corresponding to the recessed step portion 10 while pushing into the cavity 4. ほぼ同時に、数秒後、雌型3の通気口3aから吸引を開始し、さらに、空気吹き出し口3bを気体の吹き出し状態から吸引状態に切り替えることで、図1(e)に示すように、シート2 Substantially simultaneously, after a few seconds, to start the suction from the ventilation openings 3a of the female mold 3, further, by switching the air outlet 3b from the blowing state of air in the suction state, as shown in FIG. 1 (e), the sheet 2
を雌型3の凹段部10および樹脂注入部4bに沿うように成形する。 The molded along the recessed step 10 and the resin injection portion 4b of the female mold 3. そして、加熱盤1を上方に移動し、図1 Then, move the heating panel 1 upward, FIG. 1
(f)に示すように、雄型5を雌型3に嵌合させてキャビティ4の広口部4aに雄型5の凸段部5bを配置し、 (F), the by fitting the male 5 female 3 Place the convex stepped portion 5b of the male 5 wide-mouthed portions 4a of the cavity 4,
樹脂注入部4bに射出成形機8より樹脂7を注入して成形品を製造する。 The resin injection portion 4b by injecting resin 7 from an injection molding machine 8 to produce a molded article. 凹段部10、凸段部5bは喰い切り構造にしておくと、成形後の離型、仕上げが容易である。 Recessed step 10, when the convex stepped portion 5b keep the outright bite structure, releasing after molding, it is easy to finish.

【0013】本発明は、このように雌型3のキャビティ4の開口周縁の全周、もしくは一部に樹脂注入部4bの開口より大きい凹段部10を設け、その凹段部10に空気吹き出し口3bを設けた雌型3を用いたことに特徴がある。 [0013] The present invention thus the recessed step 10 larger than the opening of the resin injection portion 4b provided on the entire circumference, or a portion of the periphery of the opening of the cavity 4 of the female mold 3, air blown into the recessed step 10 it is characterized by using a female mold 3 provided with a mouth 3b. この凹段部10は多段にしたり、キャビティ4の開口からの深さを深くすると、キャビティ4内へ挿入されるシート2の面積がより広くなるので、シート2が樹脂注入部4bの入り隅部で局所的に延ばされることを減少させることができる。 The recessed step 10 or in multiple stages, the deeper the depth from the opening of the cavity 4, the area of ​​the sheet 2 to be inserted into the cavity 4 becomes wider, the corners enters the sheet 2 is a resin injection portion 4b in can be reduced to be locally stretched.

【0014】本発明の方法に用いられる雌型3のキャビティ4の形状は、製造される射出成形品の形状に応じて変化させることができる。 [0014] The shape of the cavity 4 of the female mold 3 for use in the method of the present invention can be varied according to the shape of the injection molded articles produced.

【0015】尚、キャビティとは一般に、成形用金型において、成形品に該当する空間部を言うが、本発明においては便宜上、成形品に該当する空間部と、該空間部に延設された凹部との、全体を言うものとする。 [0015] In general the cavity, the mold, but refers to a space portion corresponding to the molded article, in the present invention for convenience, a space corresponding to the molded article, extending in the space portion of the recess, it is assumed that refers to the whole.

【0016】また、加熱盤1、雌型3および雄型5は縦置きのほか横置きにすることもできる。 Further, the heating panel 1, the female mold 3 and the male 5 can also be every other side of the vertically. 本発明方法で製造される射出成形品の用途としては、自動車、バイク等の車両ボディや内装部材、OA機器、家電製品等のハウジングや文具等様々なものを挙げることができる。 As application of the injection molded articles produced by the method of the present invention, may be mentioned automobile, vehicle bodies and interior member bikes etc., OA equipment, a housing and stationery variety of such appliances.

【0017】なお、本方法で用いられた装置に設けられた、通気口や吸引口はできあがった成形品の目だたない部分や大きさで設けられるのが好ましい。 [0017] Incidentally, provided in the apparatus used in the present method, vents and suction ports are preferably provided in the portion and size inconspicuous finished molded article.

【0018】本発明に用いられるシート2としては、少なくとも加熱下で展延性を有するシート(フィルム)で形成されるのが好ましい。 [0018] sheet 2 used in the present invention is preferably formed by a sheet (film) having a spreadable at least heating. 本発明方法によれば、展延時に破断しやすい比較的薄いシートや未硬化または半硬化状態のシートでも使用可能である。 According to the method of the present invention can also be used in breaking easily relatively thin sheet or uncured or semi-cured state sheet during spreading. シートの材質および形状は、シートを用いる目的、例えば表面加飾、表面強度の改善、耐候性改善、またはソフトタッチ付与等により選択される。 The material and shape of the sheets, the purpose of using the sheet, such as surface decoration, improving the surface strength, weather resistance improving or is selected by the soft touch imparted like. 例えば、以下のようなシートが用いられる。 For example, a sheet such as is used below.

【0019】熱可塑性シート・・・ポリスチレン、アクリル系ポリマー、ポリカーボネート、ポリ塩化ビニル、ポリエチレン、ポリプロピレン、ABS(アクリロニトリル−ブタジエン−スチレン共重合体)、変性ポリフェニレンオキシド、ポリフェニレンサルファイド、ポリエーテルイミド、ポリエーテルエーテルケトン、アイオノマーなどを主成分とするシート(表面に印刷を施す場合もある)。 The thermoplastic sheet ... polystyrene, acrylic polymers, polycarbonate, polyvinyl chloride, polyethylene, polypropylene, ABS (acrylonitrile - butadiene - styrene copolymer), modified polyphenylene oxide, polyphenylene sulfide, polyetherimide, polyether ether ketone (sometimes printing on surface) sheet composed mainly of such ionomers.

【0020】熱硬化性シート・・・アクリルポリオールなどの反応性アクリル樹脂とブロックイソシアネートを主成分とする未硬化または半硬化状態のシート、反応性ビニルモノマー及び/または、オリゴマーと熱可塑性ポリマーおよび/または、ビニル基を有するポリマーと過酸化物とを主成分とする未硬化、半硬化状態のシートなど。 The uncured or semi-cured state sheet composed mainly of reactive acrylic resin and the blocked isocyanate, such as thermosetting sheet ... acrylic polyol, reactive vinyl monomers and / or oligomer and the thermoplastic polymer and / or, uncured mainly composed of the polymer and peroxide having a vinyl group, such as a semi-cured state sheet.

【0021】光硬化性シート・・・熱可塑性ポリマーと反応性ビニルモノマーと光開始剤を主成分とする未硬化または半硬化状態のシートなど。 [0021] The photocurable sheet ... thermoplastic polymer reactive vinyl monomers and a photoinitiator, such as an uncured or semi-cured state sheet as a main component.

【0022】ソフトタッチや防汚、防カビ等の機能を持ったシート。 [0022] The sheet that has soft-touch and anti-fouling, functions such as antifungal.

【0023】上記のシートにのシートを積層したシート。 [0023] The sheet was laminated sheet of the above-mentioned sheet.

【0024】 [0024]

【作用】加熱されたシートを雌型に密着させる際、凹段部に設けられた空気吹き出し口から気体を吹き出すことによりシートの周辺部が延ばされ、凹段部に対応する部分を含む広い表面積のシートが雌型のキャビティ内に変形して配設される。 [Action] When adhering the heated sheet in the female, the peripheral portion of the sheet is extended by blowing gas from the outlet air blown provided in recessed step, wide it includes a portion corresponding to the recessed step sheet surface area is disposed to deform into the female mold cavity. このため、その後樹脂注入部分に成形されるシートの膜厚を、凹段部が設けられていない場合に比べて厚くすることができ、コーナー部等のシート膜厚が薄くなりすぎることはない。 Therefore, subsequent to the film thickness of the sheet to be molded into a resin injection portion may be thicker than the case where the concave step portion is not provided, not the sheet thickness of such corner portion is too small.

【0025】 [0025]

【実施例】(A)用いたシート 1. EXAMPLES (A) sheet 1 used. ABSシート(三宝樹脂工業(株)製、A205、 ABS sheet (Sambo resin Industry Co., Ltd., A205,
膜厚500μm)。 Thickness of 500μm).

【0026】2. [0026] 2. ABSシート(三宝樹脂工業(株) ABS sheet (Sambo resin Industry Co., Ltd.
製、A106、膜厚250μm)。 Ltd., A106, film thickness of 250μm).

【0027】3. [0027] 3. 光硬化性シート(酢酸エチル300部に、共和ガス化学工業(株)製パラペットビーズ100 Photocurable sheet (ethyl acetate 300 parts, Kyowa Gas Chemical Industry Co., Ltd. Parapet beads 100
部、日本化薬(株)製KAYARAD DPCAー2050部、2,4,6- Parts, manufactured by Nippon Kayaku Co. (Ltd.) KAYARAD DPCA over 2050 parts, 2,4,6
トリメチル ベンゾイル ジフェニルフォスフィンオキサイド4部、Nメチルジエタノールアミン2部、ルチル型酸化チタン100部を混合して得られる硬化性樹脂組成物をPETフィルムの離型面に塗工し、80℃で5分間乾燥させた後、PETフィルムを剥離することによって得られた、未硬化状態の光硬化性シート。 4 parts of trimethyl benzoyl diphenyl phosphine oxide, 2 parts of N-methyldiethanolamine, a curable resin composition obtained by mixing 100 parts of rutile type titanium oxide was coated on the release surface of the PET film, dried 5 minutes at 80 ° C. after it was obtained by peeling off the PET film, the photocurable sheet uncured. 膜厚100 Thickness of 100
μm)。 μm).

【0028】4. [0028] 4. 光硬化性シート(上記実施例3の硬化性樹脂組成物を、上記実施例1と同様のABSシートA The photocurable sheet (the curable resin composition of Example 3, the same manner as in Example 1 ABS sheet A
205上に塗工し、80℃で30分間乾燥して得られる光硬化性シート。 It was coated onto 205, photocuring sheet obtained by drying at 80 ° C. 30 min. ABS樹脂層500μm+光硬化性樹脂層100μm)。 ABS resin layer 500 [mu] m + photocurable resin layer 100 [mu] m).

【0029】5. [0029] 5. スエード調シート(日本ポリウレタン工業(株)製ニッポラン5120(固形分30%)を固形分で100部、日本触媒化学工業(株)製の弾性ビーズEBS100を100部を混合し、上記実施例2と同様のAB 100 parts of suede sheet (manufactured by Nippon Polyurethane Industry Co., Ltd. Nipporan 5120 (solid content 30%) in solid, elastic bead EBS100 of Nippon Shokubai Kagaku Kogyo Co., Ltd. were mixed 100 parts of the above Example 2 similar AB
SシートA106上に塗工し、80℃で30分間乾燥して得られるスエード調シート。 It was coated on the S sheet A106, suede sheet obtained by drying at 80 ° C. 30 min. ABS樹脂層500μm ABS resin layer 500μm
+スエード調樹脂層100μm)。 + Suede resin layer 100 [mu] m).

【0030】(B)成形テスト 成形は以下のように行った。 [0030] (B) molding test molding was carried out in the following manner. 用いた雌型のキャビティの輪郭を図2(a)に、雌型全体の平面図を図2(b)に示す。 In FIGS. 2 (a) the contour of the female cavity using a plan view of the entire female in Figure 2 (b). また、加熱盤(表面をフッ素処理したもので表面に0.5mm程度の通気口が10個/cm 2程度空いているもの)と雌型との重なり合わせは、加熱盤が雌型のキャビティ外側外径より30mmずつ均一に外側にはみ出すようにする。 The heating plate (which 0.5mm approximately vents to the surface in those fluorinated are free about 10 pieces / cm 2 surface) and overlapping alignment with the female, the heating plate is female cavity outside by 30mm than the outer diameter uniform to protrude outwardly. 図2に示す各部の寸法(mm)は次の通りである。 Dimensions of the respective parts shown in FIG. 2 (mm) is as follows.

【0031】L 1 =150、L 2 =90、L 3 =30、L 4 [0031] L 1 = 150, L 2 = 90, L 3 = 30, L 4
=180、L 5 =120、L 6 =30、L 7 =90、L 8 = 180, L 5 = 120, L 6 = 30, L 7 = 90, L 8 =
60、L 9 =30、L 10 =150、L 11 =90、L 12 60, L 9 = 30, L 10 = 150, L 11 = 90, L 12 =
30、L 13 =60、L 14 =30、L 20 =15、L 21 =1 30, L 13 = 60, L 14 = 30, L 20 = 15, L 21 = 1
5。 5.

【0032】成形順序は、以下の通りである。 [0032] molding the order is as follows.

【0033】シートを加熱盤に吸引し加熱する。 [0033] to suction the sheet to the heating panel heating.

【0034】シートと加熱盤を射出成形用の雌型のキャビティの前まで移動する。 [0034] To move the seat with the heating plate to the front of the female cavity for injection molding.

【0035】加熱盤を雌型の方向に移動し、加熱盤の吸引を停止。 [0035] The heating panel moves in the direction of the female, stops the suction of the heating plate.

【0036】加熱盤に設けられた通気口を加圧(圧さく空気を吐出)に、雌型凹段部の通気口を加圧にし、 [0036] The vent provided in the heating panel to the pressure (pressure rather discharging air), and the vent of the female recessed step to the pressure,
0.5秒後雌型のキャビティ部通気口を真空に、さらに、雌型凹段部の通気口も真空にしてシートを成形する。 The female cavity vent vacuum after 0.5 seconds, further, vent the female recessed step even in the vacuum molding a sheet.

【0037】加熱盤の通気口を常圧にし、加熱盤を雌型から離し上部に移動する。 [0037] The heating platen vents the atmospheric pressure, moves to the upper release the heating panel from the female.

【0038】雄型を嵌合させ射出成形(ABS樹脂(電気化学工業(株)製,ABS−ME)を230℃で射出)を行い、成形品を作成する。 [0038] performs the injection molding is fitted a male (ABS resin (Denki Kagaku Kogyo Co., ABS-ME) injection at 230 ° C.), to produce a molded article.

【0039】シートの加熱温度と、成形されたシートの各部(手順のときに測定。部位は、図1(f)に示す)の膜厚を表1に示す。 The heating temperature of the sheet, (measurement. Site when procedure 1 (shown in f)) formed sheet of each unit shown in Table 1 the thickness of the.

【0040】出来上がった製品の外観を評価した。 [0040] was to evaluate the appearance of the finished product. その結果を表1に示す。 The results are shown in Table 1.

【0041】 [0041]

【表1】 [Table 1]

【0042】(比較例) (A)用いたシート シートは実施例に用いたものと同様のものを用いた。 [0042] (Comparative Example) (A) Sheet sheet used were the same as those used in Examples.

【0043】(B)成形テスト 凹段部が設けられていない雌型を用いて成形した。 [0043] (B) molding the test recessed step portion is formed with a female type not provided.

【0044】成形順序は、以下の通りである。 [0044] molding the order is as follows.

【0045】加熱盤を吸引しながらシートを加熱する。 [0045] heating the sheet while sucking the heating platen.

【0046】平面押し付け板をシートから外す。 [0046] removing the plane pressing plate from the sheet.

【0047】シートと加熱盤を射出成形用の雌型のキャビティの前まで移動する。 [0047] To move the seat with the heating plate to the front of the female cavity for injection molding.

【0048】加熱盤を雌型の方向に移動し、加熱盤の吸引を停止。 [0048] The heating panel moves in the direction of the female, stops the suction of the heating plate.

【0049】加熱盤に設けられた通気口を加圧(圧さく空気を吐出)に、雌型の通気口を真空にしシートを成形する。 [0049] the pressure of the vent port provided in the heating panel (pressure rather discharging air), shaping the sheet by the female vent vacuum.

【0050】加熱盤の通気口を常圧にし、加熱盤を雌型から離し上部に移動する。 [0050] The heating platen vents the atmospheric pressure, moves to the upper release the heating panel from the female.

【0051】雄型を嵌合させ射出成形(ABS樹脂(電気化学工業(株)製,ABS−ME)を230℃で射出)を行い成形品を作成する。 [0051] Injection molding is fitted a male to create the molded article subjected to (ABS resin (Denki Kagaku Kogyo Co., ABS-ME) injection at 230 ° C.).

【0052】シートの加熱温度と、成形されたシートの各部(実施例に同じ)の膜厚を表2に示す。 [0052] shows the heating temperature of the sheet, the thickness of the formed sheet of each unit (the same as Example) in Table 2.

【0053】出来上がった製品の外観を評価した。 [0053] was to evaluate the appearance of the finished product. その結果を表2に示す。 The results are shown in Table 2.

【0054】 [0054]

【表2】 [Table 2]

【0055】 [0055]

【発明の効果】本発明によれば、雌型のキャビティ内に成形されるシートの膜厚低下が少なくなり、深絞りの成形品においてもコーナー部等のシートが薄くなりすぎることがない。 According to the present invention, the thickness reduction of the sheet is reduced to be molded into the female mold cavity, there is no possibility that the sheet corner portion or the like too thin even in deep drawing of the molded article. 従って、比較的均一な表面性能を有し、所望の模様が付けられた成形品を得ることができる。 Thus, a relatively uniform surface properties, it is possible to obtain a molded article desired pattern attached.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の射出成形品の製造方法を示す製造工程図である。 1 is a manufacturing process diagram showing a method for manufacturing an injection-molded article of the present invention.

【図2】(a)は本発明の実施例に用いられるキャビティの輪郭を示す図である。 2 (a) is a diagram showing the outline of the cavity used in an embodiment of the present invention. (b)は雌型の形状を示す平面図である。 (B) is a plan view showing a female shape.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 加熱盤 1a 通気口 2 シート 3 雌型 3a 通気口 3b 空気吹き出し口 3c シール材 4 キャビティ 4b キャビティの樹脂注入部 5 雄型 5a 凸部 6 ゲート 7 樹脂 8 射出成形機 10 凹段部 1 the heating panel 1a vent 2 sheets 3 female 3a vent 3b air outlet 3c sealing material 4 resin injection portion of the cavity 4b cavity 5 male 5a protrusion 6 gate 7 resin 8 injection molding machine 10 recessed step

フロントページの続き (58)調査した分野(Int.Cl. 7 ,DB名) B29C 45/00 - 45/84 B29C 33/00 - 33/76 Of the front page Continued (58) investigated the field (Int.Cl. 7, DB name) B29C 45/00 - 45/84 B29C 33/00 - 33/76

Claims (1)

    (57)【特許請求の範囲】 (57) [the claims]
  1. 【請求項1】一方側が開口したキャビティと、該キャビティの開口周縁に設けられた凹段部と、該凹段部に設けられた気体吹き出し口とを有する雌型と、通気口を有する加熱盤との間にシートを保持してシートを加熱する工程、該加熱盤の通気口から気体を吹き出すとともに、該雌型の気体吹き出し口から気体を吹き出すことによりシートを変形させてキャビティ内に配設する工程、該シートで囲まれたキャビティ内の圧力を外気圧に比べて低くすることによりシートを該キャビティ内に密着させる工程、および該キャビティ内に樹脂を射出する工程、を包含する射出成形品の製造方法。 1. A contrast and cavity side is open, the heating panel having a concave step portion provided on the periphery of the opening of the cavity, and a female die having a gas outlet provided in the concave stepped portion, the vent disposed in heating the holding sheet sheet, with blowing gas from the vent of the heating plate, to deform the sheet by blowing a gas from the gas outlet of the female in the cavity between the to process step of adhering the sheet in the cavity by the pressure in the cavity enclosed by the sheet lower than the outside pressure, and injection molded articles comprising the step, the injecting the resin into the cavity the method of production.
JP18242791A 1991-07-23 1991-07-23 Method for manufacturing an injection-molded article Expired - Fee Related JP3048421B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18242791A JP3048421B2 (en) 1991-07-23 1991-07-23 Method for manufacturing an injection-molded article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18242791A JP3048421B2 (en) 1991-07-23 1991-07-23 Method for manufacturing an injection-molded article

Publications (2)

Publication Number Publication Date
JPH0524070A JPH0524070A (en) 1993-02-02
JP3048421B2 true JP3048421B2 (en) 2000-06-05

Family

ID=16118089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18242791A Expired - Fee Related JP3048421B2 (en) 1991-07-23 1991-07-23 Method for manufacturing an injection-molded article

Country Status (1)

Country Link
JP (1) JP3048421B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8215264B2 (en) 2006-09-20 2012-07-10 Asm Genitech Korea Ltd. Atomic layer deposition apparatus
US8282735B2 (en) 2007-11-27 2012-10-09 Asm Genitech Korea Ltd. Atomic layer deposition apparatus
US9587310B2 (en) 2001-03-02 2017-03-07 Applied Materials, Inc. Lid assembly for a processing system to facilitate sequential deposition techniques

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006341486A (en) * 2005-06-09 2006-12-21 Takagi Seiko Corp In-mold molding machine
JP4873933B2 (en) * 2005-11-14 2012-02-08 スリーエム イノベイティブ プロパティズ カンパニー Method for producing a resin molded product
DE102008046084B4 (en) * 2008-09-08 2012-06-21 Peguform Gmbh Method and apparatus for producing a molding with several adjacent, different decorative areas
DE102009043581A1 (en) 2009-09-30 2011-04-14 Hbw-Gubesch Kunststoff-Engineering Gmbh IMD molding, injection molding apparatus having such IMD molding and method for manufacturing a foil decorated plastic part

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9587310B2 (en) 2001-03-02 2017-03-07 Applied Materials, Inc. Lid assembly for a processing system to facilitate sequential deposition techniques
US10280509B2 (en) 2001-07-16 2019-05-07 Applied Materials, Inc. Lid assembly for a processing system to facilitate sequential deposition techniques
US8215264B2 (en) 2006-09-20 2012-07-10 Asm Genitech Korea Ltd. Atomic layer deposition apparatus
US8282735B2 (en) 2007-11-27 2012-10-09 Asm Genitech Korea Ltd. Atomic layer deposition apparatus
US8545940B2 (en) 2007-11-27 2013-10-01 Asm Genitech Korea Ltd. Atomic layer deposition apparatus

Also Published As

Publication number Publication date
JPH0524070A (en) 1993-02-02

Similar Documents

Publication Publication Date Title
CN1091411C (en) Paint film assembly with masking film and manufacture thereof
US6296732B1 (en) Extrusion process for protective coatings for outdoor siding panels and the like
US4824506A (en) Process for protecting thermoformed films
EP0326408A2 (en) Multilayered molding and method of manufacturing the same
JP2988868B2 (en) Insert molding method and the plastic member thereby produced for the edge surface to obtain a plastic member which is covered
CA2004376C (en) Method and apparatus of producing a deep-drawn formed plastics piece
EP0721834A1 (en) Skin material having plurality of minute recesses and projections in and on its surface, method of manufacturing the same, and method of manufacturing molded products using the same skin material
US5074770A (en) Integrated vacuum forming/reaction injection molding apparatus for manufacturing a shaped polymeric laminate article
KR100310931B1 (en) Film finishing system with design option
EP0951982B1 (en) Method of making fused film plastic parts and articles made by such methods
AU633341B2 (en) Molded composites
WO1994003337A2 (en) Paint film and methods for its manufacture
JPH05212775A (en) Production of shaped article from reinforced thermoplastic sheet
US3492392A (en) Method of molding reinforced plastics
EP0782908A2 (en) Foil-decorating injection molding machine and foil-decorating injection molding method
EP0771262B1 (en) Method and apparatus for manufacturing an injection-molded article with outer film secured thereto
EP1435285A4 (en) Method for producing plastic molding with texture pattern
CA2166120A1 (en) Polystyrene foam sheet and process of making same
EP0981429B1 (en) Method for pre-shaping of plastic films used in co-molding processes and improved paint film covered parts made thereby
CN1993219A (en) Transfer film, its use and process for the production of decorated plastic articles
US5795526A (en) Process for producing multilayer molded article
EP0985525B1 (en) Molded article and surface covering sheet therefor
RU2286877C2 (en) Method of manufacture of the stained glass windows from the plastics material
NO20002202L (en) Molded polyolefin and polyfenyloksidprodukter and fremgangsmÕte producing same
US9327435B2 (en) Sheet for decoration simultaneous with injection molding and decorated resin molding

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080324

Year of fee payment: 8

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 9

Free format text: PAYMENT UNTIL: 20090324

LAPS Cancellation because of no payment of annual fees