JPS62199413A - Preparation of molding - Google Patents
Preparation of moldingInfo
- Publication number
- JPS62199413A JPS62199413A JP4323986A JP4323986A JPS62199413A JP S62199413 A JPS62199413 A JP S62199413A JP 4323986 A JP4323986 A JP 4323986A JP 4323986 A JP4323986 A JP 4323986A JP S62199413 A JPS62199413 A JP S62199413A
- Authority
- JP
- Japan
- Prior art keywords
- molding
- terminal
- zone
- cavity
- main body
- 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 56
- 238000002360 preparation method Methods 0.000 title 1
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 5
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (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〕
この発明は車両の装飾兼保護用の合成樹脂製のモールデ
ィングの製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of manufacturing a synthetic resin molding for decoration and protection of a vehicle.
第４図は車両の斜視図、第５図はモールディングの正面
図、第６図はそのＡ−Ａ断面図、第７図はＢ−Ｂ断面図
、第８図は従来法により製造されたモールディングのＡ
−Ａ相当断面図である１図において、１は車体で、その
側面にモールディング（サイドモールディング）２が取
付けられている。Fig. 4 is a perspective view of the vehicle, Fig. 5 is a front view of the molding, Fig. 6 is its AA sectional view, Fig. 7 is its BB sectional view, and Fig. 8 is the molding manufactured by the conventional method. A of
In FIG. 1, which is a sectional view corresponding to A-A, 1 is a vehicle body, and a molding (side molding) 2 is attached to the side surface of the vehicle body.
モールディング２は長尺の樹脂部３の外表面に光輝また
はカラーフィルム等の装飾部材４が固着されたモールデ
ィング本体５の両端に端末加工部６が形成されている。The molding 2 includes a molding main body 5 having a decorative member 4 such as a glitter or color film fixed to the outer surface of a long resin part 3, and terminal processed parts 6 formed at both ends thereof.
従来のモールディング２の製造方法は、第８図に示すよ
うに、樹脂部３および装飾部材４の押出成形品からなる
モールディング本体５の端末部を射出成形型に挿入して
射出成形を行い端末加工部（エンドピース）６を形成し
ている。As shown in FIG. 8, the conventional manufacturing method of the molding 2 involves inserting the end portion of the molding body 5, which is an extruded product of the resin portion 3 and the decorative member 4, into an injection mold, performing injection molding, and processing the end. It forms an end piece 6.
しかしながら、このような従来のモールディングの製造
方法においては、端末加工部６はモールディング本体５
とは別物であるため、モールディング２の外表面に境界
線１段差、パリ等が形成されて外観を害するとともに、
接合部に亀裂、剥離等が生じるという問題点があった。However, in such a conventional molding manufacturing method, the terminal processing portion 6 is not connected to the molding main body 5.
Since it is different from the molding 2, a one-step boundary line, a gap, etc. are formed on the outer surface of the molding 2, which spoils the appearance, and
There was a problem in that cracks, peeling, etc. occurred at the joints.
この発明は上記問題点を解決するためのもので、端末加
工部をモールディング本体と一体的に形成でき、境界線
１段差、パリ等がなくて優れた外観を有し、また端末加
工部に亀裂、剥離等が生じないモールディングの製造方
法を提供することを目的としている。This invention is intended to solve the above-mentioned problems.The end processing part can be formed integrally with the molding main body, has an excellent appearance with no one-step difference in the border line, no cracks, etc., and has cracks in the end processing part. The object of the present invention is to provide a method for manufacturing a molding that does not cause peeling or the like.
この発明は、熱可塑性樹脂からなる樹脂部の外表面の一
部に装飾部材を被着したモールディング本体の端末部の
装飾部材を切除した後、成形型のキャビティ内にセット
し、端末部を加熱軟化した状態で型締めにより圧縮して
、端末部をキャビティ内に流動充填させて端末加工する
ことを特徴とするモールディングの製造方法である。This invention involves cutting off the decorative member at the end of a molding body in which a decorative member is applied to a part of the outer surface of a resin part made of thermoplastic resin, and then setting the decorative member in the cavity of a mold and heating the end part. This method of manufacturing a molding is characterized in that the molding is compressed in a softened state by mold clamping, and the end portion is fluidly filled into a cavity to process the end portion.
〔作 用〕
この発明のモールディングの製造方法では、モールディ
ング本体を熱可塑性樹脂および装飾部材により長尺に形
成し、端末部の装飾部材を切除した後成形型のキャビテ
ィ内にセットし、端末部を加熱軟化した状態で型締めし
て圧縮し、端末部を変形させてキャビティ内に流動充填
させ、所定形状の端末加工部をモールディング本体と一
体的に形成する。[Function] In the molding manufacturing method of the present invention, the molding body is formed into a long length from a thermoplastic resin and a decorative member, and after cutting off the decorative member at the end portion, the molding body is set in the cavity of a molding die, and the end portion is set in the cavity of a molding die. The heated and softened state is clamped and compressed to deform the end portion and flow-fill into the cavity, thereby forming an end processed portion of a predetermined shape integrally with the molding main body.
以下、この発明を図面の実施例により説明する。 Hereinafter, the present invention will be explained with reference to embodiments of the drawings.
第１図ないし第３図は実施例を示し、第１図はモールデ
ィング本体の加工前の正面図、第２図はそのＣ−Ｃ断面
図、第３図は成形型の断面図である。1 to 3 show an embodiment, in which FIG. 1 is a front view of the molding body before processing, FIG. 2 is a sectional view taken along the line C--C, and FIG. 3 is a sectional view of the mold.
図において、１１はキャビティ型、１２は押え型、１３
はコア型で、成形型を構成している。キャビティ型１１
および押え型１２はモールディング本体５を挟み、キャ
ビティ型１１およびコア型１３は端末加工部６を形成す
るキャビティ１４を有するように構成されている。押え
型１２とコア型１３はコンプレッションスプリング１５
により連結されており、キャビティ型１１およびコア型
１３は８０〜１６０℃に加熱され、押え型１２は加熱さ
れていない。In the figure, 11 is a cavity type, 12 is a presser type, 13
is the core mold and constitutes the mold. Cavity type 11
The molding body 5 is sandwiched between the holding die 12 and the cavity die 11 and the core die 13 are configured to have a cavity 14 forming the end processed portion 6. The presser mold 12 and the core mold 13 are compressed by a compression spring 15.
The cavity mold 11 and the core mold 13 are heated to 80 to 160°C, and the presser mold 12 is not heated.
モールディング２の製造方法は、まず押出成形等により
、熱可塑性樹脂（実施例では軟質ｐｖｃ）からなる樹脂
部３の外表面の一部に光輝またはカラーテープのような
装飾部材４を被着した長尺のモールディング本体５を形
成する。そして第１図および第２図に示すように、モー
ルディング本体５を所定寸法に切断し、端末部７の外表
面側を。The manufacturing method of the molding 2 is as follows: First, by extrusion molding or the like, a resin part 3 made of a thermoplastic resin (soft PVC in the example) is made of a long piece, with a decorative member 4 such as glitter or color tape being applied to a part of the outer surface of the resin part 3. A molding body 5 of approximately 100 mm is formed. Then, as shown in FIGS. 1 and 2, the molding body 5 is cut to a predetermined size, and the outer surface side of the terminal portion 7 is cut.
装飾部材４を含めて切除して切除部８を形成する。The decorative member 4 is cut out to form a cutout part 8.
このとき切除部８形成後の端末部７の体積は端末加工部
６とほぼ同一体積で、キャビティ１４の容積より若干大
きくしておく。At this time, the volume of the end portion 7 after the cutout portion 8 is formed is approximately the same volume as the end processed portion 6, and is slightly larger than the volume of the cavity 14.
次いでモールディング本体５の少なくとも端末部７付近
を５０〜１２０℃の樹脂の溶融温度以下に加熱して軟化
させて、成形型内にセットする。このとき第３図に示す
ように、モールディング本体５をキャビティ型１１およ
び押え型１２により挟み、端末部７をキャビティ１４内
に挿入する。そして加熱状態のままコア型１３をキャビ
ティ型１１の方向に移動させて型締めし、端末部７を圧
縮すると、端末部７は変形してキャビティ１４内に流動
充填され、第５図および第６図に示すように、所定形状
の端末加工部６がモールディング本体５と一体的に形成
され、第５図ないし第７図のモールディング２が製造さ
れる。Next, at least the vicinity of the end portion 7 of the molding body 5 is heated to a temperature below the melting temperature of the resin of 50 to 120°C to soften it, and the molding body 5 is set in a mold. At this time, as shown in FIG. 3, the molding body 5 is sandwiched between the cavity die 11 and the presser die 12, and the terminal portion 7 is inserted into the cavity 14. Then, the core mold 13 is moved in the direction of the cavity mold 11 in the heated state and the mold is clamped, and the end portion 7 is compressed.The end portion 7 is deformed and fluidly filled into the cavity 14, as shown in FIGS. 5 and 6. As shown in the figure, an end processing portion 6 having a predetermined shape is integrally formed with the molding body 5, and the molding 2 shown in FIGS. 5 to 7 is manufactured.
なお、以上の説明において、切除部８を形成する際、装
飾部材４のある部分のみ切除してもよい。In addition, in the above description, when forming the cutout part 8, only a certain part of the decorative member 4 may be cut out.
またモールディング本体５および端末加工部６の形状、
構造、材質等は任意に変更可能である。さらに本発明は
サイドモールディングに限らず、他のモールディングの
製造にも同様に適用することができる。In addition, the shape of the molding body 5 and the terminal processing part 6,
The structure, material, etc. can be changed arbitrarily. Furthermore, the present invention is not limited to side moldings, but can be similarly applied to the production of other moldings.
以上の通り、本発明によれば、モールディング本体の端
末部を加熱軟化した状態で型締めにより圧縮して端末加
工を行うようにしたので、端末加工部をモールディング
本体と一体的に形成でき。As described above, according to the present invention, since the end portion of the molding body is heated and softened and compressed by mold clamping to perform the end processing, the end portion can be integrally formed with the molding main body.
境界線、段差、パリ等の発生がなくて優れた外観を有し
、また端末加工部に亀裂、剥離等が生じないモールディ
ングを製造することができる。It is possible to produce a molding that has an excellent appearance without the occurrence of boundaries, steps, cracks, etc., and also does not cause cracks, peeling, etc. in the processed end portions.
第１図ないし第３図は実施例を示し、第１図はモールデ
ィング本体の加工前の正面図、第２図はそのＣ−Ｃ断面
図、第３図は成形型の断面図、第４図は車両の斜視図、
第５図はモールディングの正面図、第６図はそのＡ−Ａ
断面図、第７図はＢ−Ｂ断面図、第８図は従来法により
製造されたモールディングのＡ−Ａ相当断面図である。
各図中、同一符号は同一または相当部分を示し。
２はモールディング、３は樹脂部、４は装飾部材、５は
モールディング本体、６は端末加工部、７は端末部、１
１はキャビティ型、１２は押え型、１３はコア型、１４
はキャビティである。
代理人 弁理士 柳 原 成
Ｎｍ ％ｓｔｎ■トーへ６４Figures 1 to 3 show examples, where Figure 1 is a front view of the molding body before processing, Figure 2 is a sectional view taken along the line C-C, Figure 3 is a sectional view of the mold, and Figure 4 is a sectional view of the molding die. is a perspective view of the vehicle,
Figure 5 is a front view of the molding, Figure 6 is its A-A
7 is a sectional view taken along line B-B, and FIG. 8 is an equivalent sectional view taken along line A-A of a molding manufactured by a conventional method. In each figure, the same reference numerals indicate the same or corresponding parts. 2 is a molding, 3 is a resin part, 4 is a decorative member, 5 is a molding body, 6 is an end processing part, 7 is an end part, 1
1 is a cavity type, 12 is a presser type, 13 is a core type, 14
is a cavity. Agent Patent Attorney Sei Yanagihara Nm %stn ■ Tohe 64
Claims (3)
飾部材を被着したモールディング本体の端末部の装飾部
材を切除した後、成形型のキャビティ内にセットし、端
末部を加熱軟化した状態で型締めにより圧縮して、端末
部をキャビティ内に流動充填させて端末加工することを
特徴とするモールディングの製造方法。(1) After cutting off the decorative member at the end of the molding body, in which a decorative member is applied to a part of the outer surface of the resin part made of thermoplastic resin, the end part is placed in the cavity of the mold and the end part is heated and softened. A method for manufacturing a molding, characterized in that the molding is compressed by clamping the mold, and the end portion is fluidly filled into a cavity to process the end.
きくされた特許請求の範囲第１項記載の製造方法。(2) The manufacturing method according to claim 1, wherein the volume of the terminal portion after cutting is made larger than the volume of the cavity.
ィ内にセットするようにした特許請求の範囲第１項また
は第２項記載の製造方法。(3) The manufacturing method according to claim 1 or 2, wherein the end portion is heated to a temperature below the melting temperature and set in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61043239A JPH0618717B2 (en) | 1986-02-28 | 1986-02-28 | Molding manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61043239A JPH0618717B2 (en) | 1986-02-28 | 1986-02-28 | Molding manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62199413A true JPS62199413A (en) | 1987-09-03 |
| JPH0618717B2 JPH0618717B2 (en) | 1994-03-16 |
Family
ID=12658348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61043239A Expired - Lifetime JPH0618717B2 (en) | 1986-02-28 | 1986-02-28 | Molding manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618717B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55126500A (en) * | 1979-03-26 | 1980-09-30 | Aisin Seiki | Lace in synthetic resin |
| JPS55144118A (en) * | 1979-04-29 | 1980-11-10 | Aisin Seiki Co Ltd | End working of plastic molding for exterior decoration of car body |
| JPS595093A (en) * | 1982-07-01 | 1984-01-11 | Ricoh Co Ltd | Heat-sensitive recording material |
-
1986
- 1986-02-28 JP JP61043239A patent/JPH0618717B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55126500A (en) * | 1979-03-26 | 1980-09-30 | Aisin Seiki | Lace in synthetic resin |
| JPS55144118A (en) * | 1979-04-29 | 1980-11-10 | Aisin Seiki Co Ltd | End working of plastic molding for exterior decoration of car body |
| JPS595093A (en) * | 1982-07-01 | 1984-01-11 | Ricoh Co Ltd | Heat-sensitive recording material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0618717B2 (en) | 1994-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |