JPH0366135B2 - - Google Patents
Info
- Publication number
- JPH0366135B2 JPH0366135B2 JP61186860A JP18686086A JPH0366135B2 JP H0366135 B2 JPH0366135 B2 JP H0366135B2 JP 61186860 A JP61186860 A JP 61186860A JP 18686086 A JP18686086 A JP 18686086A JP H0366135 B2 JPH0366135 B2 JP H0366135B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- skin
- film
- foamed
- skin material
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 43
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000005674 electromagnetic induction Effects 0.000 claims description 6
- 230000005294 ferromagnetic effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000005187 foaming Methods 0.000 description 7
- -1 polypropylene Polymers 0.000 description 6
- 239000006260 foam Substances 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid 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
- B29C45/14778—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 the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2715/00—Condition, form or state of preformed parts, e.g. inserts
- B29K2715/003—Cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3041—Trim panels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
(イ) 産業上の利用分野
本発明は自動車の内装部品の製造方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a method of manufacturing interior parts for automobiles.
(ロ) 従来の技術
自動車の内装部品、例えば、ピラートリム等で
は、射出成形品の基材表面に、緩衝性をもたせる
ために、ウレタン発泡パッド材等の発泡材が配設
される。(B) Prior Art In automobile interior parts, such as pillar trims, a foam material such as urethane foam padding material is disposed on the surface of the base material of an injection molded product in order to provide cushioning properties.
そして、従来の内装部品では、内装部品の基材
を射出成形し、その成形品を発泡型内にセットす
るとともに発泡液を注入して発泡させ、基材の表
面に発泡材を配設するものである。 In conventional interior parts, the base material of the interior part is injection molded, the molded product is set in a foaming mold, and a foaming liquid is injected to cause foaming, and the foam material is placed on the surface of the base material. It is.
(ハ) 発明が解決しようとする問題点
しかしながら上記従来の内装部品の製造方法で
は、ウレタン発泡パッド材を使用し後貼りするた
め、コスト高になり、重量が重く、加工工数がか
かるという欠点があつた。(c) Problems to be Solved by the Invention However, the above-mentioned conventional manufacturing method for interior parts uses urethane foam pad material and attaches it afterwards, which has the drawbacks of high cost, heavy weight, and a long processing time. It was hot.
本発明は上記従来の問題点を解決するものであ
り、製造作業の能率を計り、製造コストの低減が
できる内装部品の製造方法を提供することを目的
とする。 The present invention solves the above-mentioned conventional problems, and aims to provide a method for manufacturing interior parts that can increase the efficiency of manufacturing operations and reduce manufacturing costs.
(ニ) 問題点を解決するための手段
上記の目的を達成するための手段を、実施例に
対応する、第１図ないし第４図を用いて説明する
と、本発明の自動車内装射出部品の製造方法は、
内装部品成形型１の移動側型３に、熱可塑性樹脂
に発泡剤及び強磁性体粉末を混入してなる真空成
形されたフイルム５（以下、発泡フイルムとい
う）にクロス又は塩化ビニールフイルム等の表皮
６をラミネートしてある表皮材４をセットし、該
表皮材４を移動側型３内面に吸着させて対応する
固定側型２へ移動させ、移動側型３と固定側型２
とを嵌合し該型１内へ樹脂材を射出することによ
り、表面に前記表皮材４が配設された自動車の内
装部品９を成形し、次にこの内装部品９を電磁誘
導加熱装置のコイル１２が組込まれた型にセツト
し、コイル１２に通電することにより、前記表皮
材４の発泡フイルム５を発泡させることを特徴と
するものである。(d) Means for Solving the Problems The means for achieving the above object will be explained with reference to FIGS. 1 to 4, which correspond to embodiments. The method is
A vacuum-formed film 5 made of a thermoplastic resin mixed with a foaming agent and ferromagnetic powder (hereinafter referred to as a foamed film) is placed in the movable mold 3 of the interior parts mold 1 with a skin such as cloth or vinyl chloride film. The skin material 4 laminated with 6 is set, and the skin material 4 is adsorbed to the inner surface of the movable side mold 3 and moved to the corresponding fixed side mold 2, and the movable side mold 3 and the fixed side mold 2 are separated.
By fitting these together and injecting a resin material into the mold 1, an automobile interior part 9 having the skin material 4 disposed on its surface is molded, and then this interior part 9 is heated in an electromagnetic induction heating device. This is characterized in that the foamed film 5 of the skin material 4 is foamed by setting it in a mold in which a coil 12 is incorporated and energizing the coil 12.
(ホ) 作用
上記の手段を有する本発明の自動車内装部品の
製造方法では、まず、内装部品成形型１内に発泡
フイルム５をセツトし、型１内で内装部品の基材
８を成形することにより、基材８の表面に発泡フ
イルム５にクロス又は塩化ビニールフイルム等の
表皮６をラミネートしてある表皮材４が配設され
たものが得られる。(e) Effect In the method for manufacturing automobile interior parts of the present invention having the above-mentioned means, first, the foamed film 5 is set in the interior parts mold 1, and the base material 8 of the interior parts is molded in the mold 1. As a result, a skin material 4, which is a foamed film 5 laminated with a skin 6 such as cloth or vinyl chloride film, is provided on the surface of the base material 8.
そして、次にこの内装部品９を、電磁誘導加熱
装置のコイル１２が組込まれた型１０，１１にセ
ツトし、電磁誘導加熱装置のコイル１２に高周波
電流を通電せしめれば、表皮材４の発泡フイルム
５中の強磁性体粉末が交番磁界中に置かれるの
で、ヒステリシス損失によつて発熱し、これによ
り発泡フイルム５は発泡することになり、基材８
の表面に発泡材５ａが配設された内装部品９が得
られる。 Next, this interior component 9 is set in the molds 10 and 11 in which the coil 12 of the electromagnetic induction heating device is installed, and when a high frequency current is applied to the coil 12 of the electromagnetic induction heating device, the skin material 4 is foamed. Since the ferromagnetic powder in the film 5 is placed in an alternating magnetic field, it generates heat due to hysteresis loss, which causes the foamed film 5 to foam.
An interior component 9 having a foamed material 5a disposed on the surface thereof is obtained.
(ヘ) 実施例
以下、本発明の実施例を図面について説明す
る。(f) Examples Examples of the present invention will be described below with reference to the drawings.
まず、第１図は自動車内装部品の射出成形型を
示すものであり、ここで説明する内装部品はピラ
トリムである。第１図に於て、１は成形型、２は
固定側型、３は移動側型である。移動側型３には
発泡フイルム５にクロス又は塩化ビニールフイル
ム等の表皮６をラミネートしてある表皮材４がセ
ツトされ、この表皮材４は付設される真空排気装
置７の作動によつて型３内面に密着して保持され
る。 First, FIG. 1 shows an injection mold for automobile interior parts, and the interior part to be described here is Pyratrim. In FIG. 1, 1 is a mold, 2 is a stationary mold, and 3 is a movable mold. A skin material 4, which is a foamed film 5 laminated with a skin 6 such as cloth or vinyl chloride film, is set on the movable mold 3, and this skin material 4 is removed from the mold 3 by the operation of an attached vacuum evacuation device 7. It is held in close contact with the inner surface.
しかして、第１図の矢印のように移動側型３を
移動させ、第２図のように移動側型３と固定側型
２とを嵌合し、この型１内へ樹脂材を射出するこ
とにより、基材８の表面に発泡フイルム５と表皮
６からなる表皮材４が配設された内装部品９が得
られる（第３図）。 Then, the movable mold 3 is moved as shown by the arrow in FIG. 1, the movable mold 3 and the fixed mold 2 are fitted together as shown in FIG. 2, and the resin material is injected into the mold 1. As a result, an interior component 9 is obtained in which a skin material 4 consisting of a foamed film 5 and a skin 6 is disposed on the surface of a base material 8 (FIG. 3).
ここで、発泡フイルム５とは、例えば、ポリプ
ロピレン、ポリエチレン、ポリ塩化ビニール等の
熱可塑性樹脂材に、アゾジカルボアミド等の発泡
剤と、ステンレスフアイバー等の強磁性体粉末と
を適当な割合で混合し、押出し成形によりフイル
ム状にするものであり、フイルム厚は100μ以上
から１mm以下位とする。そして、強磁性体粉末と
しては、発熱効率の良いステンレスフアイバーが
適当であり、その大きさは、例えば、径が10μ前
後位で長さが１mm以下位が好ましい。 Here, the foamed film 5 is, for example, a thermoplastic resin material such as polypropylene, polyethylene, polyvinyl chloride, etc., containing a foaming agent such as azodicarboxamide, and a ferromagnetic powder such as stainless fiber in an appropriate ratio. The ingredients are mixed and made into a film by extrusion molding, and the thickness of the film is approximately 100μ or more and 1mm or less. As the ferromagnetic powder, a stainless fiber with good heat generation efficiency is suitable, and its size is preferably, for example, about 10 μm in diameter and 1 mm or less in length.
なお、発泡フイルム５に於ける熱可塑性樹脂
は、基材８がABS樹脂の場合には塩化ビニール
系にし、ポリプロピレンの場合にはポリプロピレ
ン系にする等、基材８への接着性を考えて適当な
材料を選択する。 In addition, the thermoplastic resin in the foamed film 5 may be selected depending on its adhesion to the base material 8, such as vinyl chloride resin if the base material 8 is ABS resin, or polypropylene resin if the base material 8 is polypropylene resin. Choose suitable materials.
本発明では、射出成形によつて得られる第３図
のような内装部品９を、電磁誘導加熱装置が組込
まれた型１０，１１にセツトし、型１０の内表面
に設置される電磁誘導加熱装置のコイル１２に高
周波電流を通電せしめる（第４図）。 In the present invention, the interior part 9 as shown in FIG. A high frequency current is applied to the coil 12 of the device (FIG. 4).
このようにすることで、コイル１２の周囲には
交番磁界が生じ、この磁界中に置かれる発泡フイ
ルム５中の強磁性体粉末はヒステリシス損失によ
つて発熱し、これにより発泡フイルム５は発泡す
ることになる。 By doing this, an alternating magnetic field is generated around the coil 12, and the ferromagnetic powder in the foamed film 5 placed in this magnetic field generates heat due to hysteresis loss, thereby causing the foamed film 5 to foam. It turns out.
しかして、所定の時間でコイル１２の通電を停
止して型１０，１１から取り出せば、基材８の表
面で表皮６下に発泡フイルム５が発泡することで
形成される発泡材５ａが配設された内装部品が得
られることになる。 When the coil 12 is de-energized at a predetermined time and taken out from the molds 10 and 11, a foamed material 5a formed by foaming the foamed film 5 under the skin 6 on the surface of the base material 8 is disposed. This results in the production of interior parts.
なお、発泡フイルム５の発泡倍率は、例えば、
発泡フイルムの基材樹脂がポリ塩化ビニールの場
合には５〜６倍位、ポリプロピレンやポリエチレ
ンの場合には20〜30倍位が適当である。 Note that the foaming ratio of the foamed film 5 is, for example,
When the base resin of the foamed film is polyvinyl chloride, the appropriate amount is about 5 to 6 times, and when it is polypropylene or polyethylene, it is about 20 to 30 times.
また、上記電磁誘導加熱装置（高周波発振器を
含む）は、従来から公知のものを使用し、その型
１０，１１は発泡フイルム５の発泡による体積増
に見合うクリアランスがとられている。そして、
型１０，１１はコイル１２の通電で発生する磁界
に影響がないように非磁性体樹脂にて製作する。 Further, the electromagnetic induction heating device (including a high frequency oscillator) used is a conventional one, and the molds 10 and 11 have a clearance corresponding to the increase in volume due to foaming of the foamed film 5. and,
The molds 10 and 11 are made of non-magnetic resin so as not to affect the magnetic field generated when the coil 12 is energized.
(ト) 発明の効果
以上述べたように、本発明の自動車内装部品の
製造方法では、成形型内に表皮を発泡フイルムに
ラミネートした表皮材をセツトして基材の射出成
形を行うことで、基材表面に発泡フイルムを含む
表皮材が配設された内装部品を製作し、次にこれ
を電磁誘導加熱によつて基材表面に発泡材を形成
するものであつて、従来の基材表面にウレタン発
泡パツド材を後貼りにより配設する製造方法に比
べて作業能率がよく、安価にできる。(g) Effects of the invention As described above, in the method for manufacturing automobile interior parts of the present invention, a skin material in which the skin is laminated to a foamed film is set in a mold, and injection molding of the base material is performed. An interior component is manufactured in which a skin material containing a foamed film is disposed on the surface of a base material, and then a foamed material is formed on the surface of the base material by electromagnetic induction heating. Compared to the manufacturing method in which urethane foam pad material is applied by post-pasting, the process is more efficient and can be done at a lower cost.
第１図及び第２図は本発明の実施例の射出成形
の説明図、第３図は内装部品の断面図、第４図は
発泡工程の説明図である。
１〜内装部品成形型、２〜固定側型、３〜移動
側型、４〜表皮材、５〜発泡フイルム、６〜表
皮、８〜基材、１０，１１〜型、１２〜コイル。
1 and 2 are explanatory diagrams of injection molding according to an embodiment of the present invention, FIG. 3 is a sectional view of an interior component, and FIG. 4 is an explanatory diagram of a foaming process. 1 - interior parts mold, 2 - fixed side mold, 3 - movable side mold, 4 - skin material, 5 - foamed film, 6 - skin, 8 - base material, 10, 11 - mold, 12 - coil.
Claims (1)
材に発泡剤及び強磁性体粉末を混入してなるフイ
ルムに表皮をラミネートしてある表皮材をセット
し、該表皮材を前記移動側内面に吸着させて対応
する固定側型へ移動させ、移動側型と固定側型と
を嵌合し該型内へ樹脂材を射出することにより、
基材表面に前記表皮材が配設された自動車の内装
部品を成形し、次にこの内装部品を電磁誘導加熱
装置のコイルが組込まれた型にセットし、該コイ
ルに高周波電流を通電することにより、前記表皮
材のフイルムを発泡させることを特徴とする自動
車内装部品の製造方法。1. A skin material made by laminating a skin on a film made of a thermoplastic resin material mixed with a foaming agent and ferromagnetic powder is set in the movable side mold of the interior parts mold, and the skin material is placed on the movable side inner surface. By adsorbing it to the corresponding fixed side mold, fitting the movable side mold and the fixed side mold, and injecting the resin material into the mold,
Molding an automobile interior part with the skin material disposed on the surface of the base material, then setting this interior part in a mold in which a coil of an electromagnetic induction heating device is incorporated, and passing a high-frequency current through the coil. A method for manufacturing automobile interior parts, characterized in that the film of the skin material is foamed by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61186860A JPS6342823A (en) | 1986-08-11 | 1986-08-11 | Preparation of interior automobile trim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61186860A JPS6342823A (en) | 1986-08-11 | 1986-08-11 | Preparation of interior automobile trim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6342823A JPS6342823A (en) | 1988-02-24 |
| JPH0366135B2 true JPH0366135B2 (en) | 1991-10-16 |
Family
ID=16195922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61186860A Granted JPS6342823A (en) | 1986-08-11 | 1986-08-11 | Preparation of interior automobile trim |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6342823A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960007011B1 (en) * | 1988-01-29 | 1996-05-27 | 미쓰이세끼유 가가꾸 고오교오 가부시끼가이샤 | Multilayered molding and method of manufacturing the same |
| EP2390077A1 (en) * | 2010-05-25 | 2011-11-30 | Sika Technology AG | Overmolding extruded profiles |
| JP6508510B2 (en) * | 2014-08-28 | 2019-05-08 | 国立大学法人岐阜大学 | Carbon fiber reinforced composite material compact, method of manufacturing the same, and method of repairing carbon fiber reinforced composite material compact |
-
1986
- 1986-08-11 JP JP61186860A patent/JPS6342823A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6342823A (en) | 1988-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3420923A (en) | Process for manufacturing foamed plastic articles having outer skin by curing with microwaves | |
| US3902940A (en) | Art of joining foamed members | |
| EP1326741B1 (en) | Temperature-controlled induction heating of polymeric materials | |
| US20020113066A1 (en) | Temperature-controlled induction heating of polymeric materials | |
| US20090127253A1 (en) | Temperature-controlled induction heating of polymeric materials | |
| US5409648A (en) | Process for producing multi-layer molded bodies | |
| JP4611968B2 (en) | Foamed article, especially trim element for automobile interior, and manufacturing method thereof | |
| US5538581A (en) | Method for electromagnetically welding thermoplastic articles together | |
| JPH0366135B2 (en) | ||
| JPS63221032A (en) | Fixing method for bracket of interior parts in automobile | |
| US5164135A (en) | In-mold mating of substrate material to vinyl skin covering for the construction of two-component automotive interior trim parts | |
| JPS6337910A (en) | Composite injection molding method | |
| JPH068347A (en) | Method for forming structured surface on at least an area of foam molded object made out of expanded polypropylene particle | |
| JPS6345286B2 (en) | ||
| JPS6253811A (en) | Manufacture of laminated material | |
| JPS6391225A (en) | Manufacture of molded product for trimming | |
| JP3092227B2 (en) | Composite molded article and molding method thereof | |
| JPS6341237A (en) | Method of fixing upholstery of door trim | |
| KR930701278A (en) | Molding method of thermoplastics | |
| JPH0728407Y2 (en) | Studs for interior parts | |
| JPS63312818A (en) | Injection-molded product | |
| JPS6250122A (en) | Method for welding thermoplastic resin | |
| JPH01222906A (en) | Preparation of resin molding | |
| JPH0318567B2 (en) | ||
| JPH0330318B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |