JPH01291912A - Manufacture of molded product with skin - Google Patents
Manufacture of molded product with skinInfo
- Publication number
- JPH01291912A JPH01291912A JP12371088A JP12371088A JPH01291912A JP H01291912 A JPH01291912 A JP H01291912A JP 12371088 A JP12371088 A JP 12371088A JP 12371088 A JP12371088 A JP 12371088A JP H01291912 A JPH01291912 A JP H01291912A
- Authority
- JP
- Japan
- Prior art keywords
- skin material
- resin
- molten resin
- mold
- force
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 40
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 30
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 229920005672 polyolefin resin Polymers 0.000 abstract description 2
- 229920005992 thermoplastic resin Polymers 0.000 abstract description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000005034 decoration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 235000017284 Pometia pinnata Nutrition 0.000 description 1
- 240000007653 Pometia tomentosa Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002023 wood Substances 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
- B29C45/1418—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 inserts being deformed or preformed, e.g. by the injection pressure
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、装飾用やクツション用のための表皮材を表
面に取付けた自動車用内装トリム等用の成形体の製造方
法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a molded body for automobile interior trim, etc., on the surface of which a skin material for decoration or cushioning is attached.
（従来の技術）
従来、装飾用やクツション用のための表皮材を表面に取
付けた自動車用内装トリム等の成形体がある。(Prior Art) Conventionally, there have been molded bodies such as automobile interior trims on the surface of which a skin material for decoration or cushioning is attached.
このような成形体の製造方法としては、特開昭６３−１
１３１２号公報に開示されているものがある。この公報
に開示されている従来の技術においては、表皮材として
のシート状加飾材は、型の成形面に設けた隔壁の内面に
沿ってその端部を立ち上がらせ、上記隔壁の頂部で係止
して位置決めするか、あるいは、真空引きによる吸着保
持にて位置決めしている。A method for manufacturing such a molded body is disclosed in Japanese Patent Application Laid-Open No. 63-1
There is one disclosed in Japanese Patent No. 1312. In the conventional technology disclosed in this publication, the sheet-shaped decorative material as a skin material is raised at its end along the inner surface of a partition wall provided on the molding surface of a mold, and is engaged at the top of the partition wall. Positioning is done either by stopping or by suction and holding by vacuuming.
（発明が解決しようとする課題）
しかしながら、上記した従来の技術においては、表皮材
の位置決め作業が煩雑となるとともに構造が複雑となる
という問題点がおる。(Problems to be Solved by the Invention) However, in the above-described conventional technology, there are problems in that the positioning work of the skin material is complicated and the structure is complicated.
この発明は、このような事情に鑑みなされたもので、そ
の目的とするところは、表皮材の一側から型内に溶融樹
脂を送り込みこの樹脂圧で型間にて上記表皮材を押し付
けて位置決めし、しかる後、型内の上記溶融樹脂にプレ
ス成形を施すようにして、作業性の向上、構造の簡略化
等を図った表皮材付成形体の製造方法を提供することに
ある。This invention was made in view of the above circumstances, and its purpose is to feed molten resin into the mold from one side of the skin material and use the resin pressure to press and position the skin material between the molds. However, it is an object of the present invention to provide a method for manufacturing a molded article with a skin material, in which the molten resin in the mold is then press-molded, thereby improving workability and simplifying the structure.
（課題を解決するための手段）
上記目的を達成するために、この発明の方法は、上型あ
るいは下型の所定箇所に表皮材を配置して上記上型と上
記下型とを所定の間隔に保持するとともに、上記表皮材
の一側から型内に溶融樹脂を送り込みこの樹脂圧で型間
にて上記表皮材を押し付けて位置決めし、しかる後、型
内の上記溶融樹脂にプレス成形を施すことを特徴とする
ものである。(Means for Solving the Problems) In order to achieve the above object, the method of the present invention includes disposing a skin material at a predetermined location of an upper mold or a lower mold, and separating the upper mold and the lower mold at a predetermined distance. At the same time, molten resin is fed into the mold from one side of the skin material, and the resin pressure is used to press and position the skin material between the molds, and then press molding is performed on the molten resin in the mold. It is characterized by this.
（作用）
この発明の方法によれば、表皮材の所定の位置に配置す
るだけで、復は成形体成形用の溶融樹脂を送り込んでこ
の溶融樹脂の樹脂圧で上記表皮材を型に押し付けて位置
決めするので、表皮材の位置決めのための特別な機構は
何等必要とせず、極めて簡単な構造の下で、しかも作業
性に優れた方法で表皮材付成形体が得られる。(Function) According to the method of the present invention, all that is required is to place the skin material at a predetermined position, and then feed the molten resin for molding the molded object and press the skin material against the mold with the resin pressure of this molten resin. Since positioning is performed, no special mechanism for positioning the skin material is required, and a molded article with a skin material can be obtained with an extremely simple structure and in a method with excellent workability.
（実施例の説明）
以下、この発明に係る実施例を第１図〜第８図に基づい
て説明する。(Description of Embodiments) Hereinafter, embodiments according to the present invention will be described based on FIGS. 1 to 8.
第１図〜第７図において、まず、下型１の所定箇所とし
ての木目込み溝外周に合わせて表皮材２を単に載置する
ようにして配置する（第１図および第４図参照）。表皮
材２としては、合成樹脂シート、織布、不織布２編布、
カーペットおよびこれらの材料の複合積層シート等が適
用される。1 to 7, first, the skin material 2 is simply placed so as to match the outer periphery of the wood cutting groove as a predetermined location of the lower mold 1 (see FIGS. 1 and 4). As the skin material 2, synthetic resin sheet, woven fabric, 2-knitted non-woven fabric,
Carpets and composite laminated sheets of these materials are applicable.
次いで、上型３を下降させて下型１と所定の間隔（例え
ば３〜５ｍｍ）になったとぎに上型３を停止させ、下型
１の側に設けられた溶融樹脂供給用成形機４からオレフ
ィン系樹脂、へＢＳ樹脂等の熱可塑性樹脂の溶融樹脂５
をホットランナ６を介して送り込み、この樹脂圧で表皮
材２の一側としての裏側よりこの表皮材２を上型３に押
し付は位置決め固定する（第２図、第５図および第６図
参照）。この溶融樹脂５の供給圧は射出成形時の射出圧
３００〜６００ｋｇ／Ｃｍ２に比ヘテかなり低く、５０
〜１５０ ｋｑ／ｃｍ２はどでよい。Next, the upper mold 3 is lowered to a predetermined distance from the lower mold 1 (for example, 3 to 5 mm), and then the upper mold 3 is stopped, and the molding machine 4 for supplying molten resin provided on the side of the lower mold 1 is moved. Molten resin of thermoplastic resin such as olefin resin, BS resin etc.5
is fed through the hot runner 6, and the skin material 2 is pressed against the upper mold 3 from the backside as one side of the skin material 2 by the resin pressure, and is positioned and fixed (see Figs. 2, 5, and 6). reference). The supply pressure of this molten resin 5 is relatively low compared to the injection pressure of 300 to 600 kg/Cm2 during injection molding, and is 50
~150 kq/cm2 is fine.
所定量の溶融樹脂５を型内に注入完了後か、あるいは注
入完了前から上型３を下降させて上記溶融樹脂５にプレ
ス成形を施すく第３図および第７図参照）。この上型３
による型閉じにより上記溶融樹脂５は所定形状のキャビ
ティ内に行き渡り、その俊は冷却して脱型すれば、表皮
材２により所定箇所に加飾等が施された成形体７が得ら
れる。After a predetermined amount of molten resin 5 is poured into the mold, or before the injection is completed, the upper mold 3 is lowered to perform press molding on the molten resin 5 (see FIGS. 3 and 7). This upper mold 3
By closing the mold, the molten resin 5 spreads into the cavity of a predetermined shape, and when the resin is cooled and removed from the mold, a molded body 7 with decorations etc. applied at predetermined locations using the skin material 2 is obtained.
上記のような表皮材付成形体の製造方法によれば、特別
な表皮材の位置決め機構を必要とぜず単なる成形体の製
造過程中の１工程にて表皮材の位置決めが果せるので、
構造の簡略化、作業性の向上等を図ることができる。According to the method for producing a molded article with a skin material as described above, the positioning of the skin material can be accomplished in one step of the manufacturing process of the molded article without requiring a special positioning mechanism for the skin material.
It is possible to simplify the structure and improve workability.
第８図はこの発明に係る他の実施例を示したもので、表
皮材２を上型３側に配置した例でおる。FIG. 8 shows another embodiment of the present invention, in which the skin material 2 is placed on the upper mold 3 side.
この場合も前述した実施例と同等の作用、効果を奏する
ことは勿論でおる。It goes without saying that in this case as well, the same functions and effects as those of the above-mentioned embodiments can be achieved.
（効果）
以上）ホべたように、この発明の方法によれば、上型あ
るいは下型の所定箇所に表皮材を配置して上記上型と上
記下型とを所定の間隔に保持するとともに、上記表皮材
の一側から型内に溶融樹脂を送り込みこの樹脂圧で型間
にて上記表皮材を押し付けて位置決めし、しかる後、型
内の上記溶融樹脂にプレス成形を施すようにしたので、
表皮材の位置決めは特別な機構を設けることなく、単に
型に配置するだけでなされ、構造の簡略化および作業性
の向上等の効果が得られる。(Effects) As mentioned above, according to the method of the present invention, the skin material is placed at a predetermined location on the upper mold or the lower mold to maintain the upper mold and the lower mold at a predetermined interval, and The molten resin is fed into the mold from one side of the skin material, the resin pressure is used to press and position the skin material between the molds, and then press molding is performed on the molten resin in the mold.
The skin material can be positioned simply by placing it in the mold without providing any special mechanism, resulting in effects such as a simplified structure and improved workability.
第１図〜第７図はこの発明に係る一実施例を示すもので
、第１図は初期工程の説明図、第２図は中間工程の説明
図、第３図は終期工程の説明図、第４図は初期工程の要
部の説明図、第５図は中間工程の要部の説明図、第６図
は中間工程の要部の説明図、第７図は終期工程の要部の
説明図、第８図は他の実施例の初期工程の説明図である
。
１・・・下型
２・・・表皮材
３・・・上型
５・・・溶融樹脂
７・・・成形体
特許出願人 河西工業株式会社
代理人 弁理士 和 １）成 則
第１図
第３図
第４図 第５図
第８図FIGS. 1 to 7 show an embodiment of the present invention, in which FIG. 1 is an explanatory diagram of the initial process, FIG. 2 is an explanatory diagram of the intermediate process, and FIG. 3 is an explanatory diagram of the final process. Fig. 4 is an explanatory diagram of the main parts of the initial process, Fig. 5 is an explanatory diagram of the main parts of the intermediate process, Fig. 6 is an explanatory diagram of the main parts of the intermediate process, and Fig. 7 is an explanatory diagram of the main parts of the final process. 8 are explanatory diagrams of the initial steps of another embodiment. 1... Lower mold 2... Skin material 3... Upper mold 5... Molten resin 7... Molded object Patent applicant Kasai Kogyo Co., Ltd. Agent Patent attorney Kazu 1) Rules, Figure 1 Figure 3 Figure 4 Figure 5 Figure 8
Claims (1)
記上型と上記下型とを所定の間隔に保持するとともに、
上記表皮材の一側から型内に溶融樹脂を送り込みこの樹
脂圧で型間にて上記表皮材を押し付けて位置決めし、し
かる後、型内の上記溶融樹脂にプレス成形を施すことを
特徴とする表皮材付成形体の製造方法。1. Arranging a skin material at a predetermined location on the upper mold or the lower mold to hold the upper mold and the lower mold at a predetermined distance,
The method is characterized in that a molten resin is fed into the mold from one side of the skin material, the resin pressure is used to press and position the skin material between the molds, and then press molding is performed on the molten resin in the mold. A method for producing a molded article with a skin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63123710A JPH0618723B2 (en) | 1988-05-20 | 1988-05-20 | Manufacturing method of molded body with skin material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63123710A JPH0618723B2 (en) | 1988-05-20 | 1988-05-20 | Manufacturing method of molded body with skin material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01291912A true JPH01291912A (en) | 1989-11-24 |
| JPH0618723B2 JPH0618723B2 (en) | 1994-03-16 |
Family
ID=14867439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63123710A Expired - Lifetime JPH0618723B2 (en) | 1988-05-20 | 1988-05-20 | Manufacturing method of molded body with skin material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618723B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60212312A (en) * | 1984-04-06 | 1985-10-24 | Toyota Motor Corp | Manufacture of laminated molding |
| JPS62297123A (en) * | 1986-06-17 | 1987-12-24 | Sumitomo Chem Co Ltd | Pressing of multilayer molded item |
-
1988
- 1988-05-20 JP JP63123710A patent/JPH0618723B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60212312A (en) * | 1984-04-06 | 1985-10-24 | Toyota Motor Corp | Manufacture of laminated molding |
| JPS62297123A (en) * | 1986-06-17 | 1987-12-24 | Sumitomo Chem Co Ltd | Pressing of multilayer molded item |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0618723B2 (en) | 1994-03-16 |
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