JPH0137251B2 - - Google Patents
Info
- Publication number
- JPH0137251B2 JPH0137251B2 JP56211600A JP21160081A JPH0137251B2 JP H0137251 B2 JPH0137251 B2 JP H0137251B2 JP 56211600 A JP56211600 A JP 56211600A JP 21160081 A JP21160081 A JP 21160081A JP H0137251 B2 JPH0137251 B2 JP H0137251B2
- Authority
- JP
- Japan
- Prior art keywords
- decorative member
- core material
- extrusion
- extrusion mold
- molding
- 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
Links
- 238000001125 extrusion Methods 0.000 claims description 46
- 239000011162 core material Substances 0.000 claims description 35
- 238000000465 moulding Methods 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001771 impaired effect Effects 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明はモールデイングの押出し成形方法、特
に押出し成形型より合成樹脂と一体に押出す装飾
部材の前処理に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an extrusion molding method, particularly to pretreatment of a decorative member extruded from an extrusion die together with a synthetic resin.
一般に自動車のボデー、バンパー等に取付ける
モールデイングは、保護及び美感を高めるための
ものであり、近時においては、溶融合成樹脂を押
出し成形型から押出すようにして連続的に製造
し、量産化を図つている。第１図は、ウエザース
トリツプとしてのモールデイングの一例を示す断
面図であり、この種モールデイングは同図に示す
ように亜鉛メツキ鋼板より成るほぼ逆Ｕ字状に成
型された芯材１と、この芯材の内面外面側を被う
合成樹脂から成る表被材２と、上下動する窓ガラ
ス方向に突出して窓ガラス表面のゴミ、水分等を
除去するリツプ３と、表被材２の外側の表面に被
着されたステンレス鋼板、又はステンレス鋼箔等
から成る装飾部材４とから構成されており、この
モールデイングＭは図示しないクリツプ等によつ
て窓の縁部に取付けられる。 Generally, moldings attached to automobile bodies, bumpers, etc. are used for protection and to enhance aesthetics.In recent years, moldings have been manufactured continuously by extruding molten synthetic resin from extrusion molds to achieve mass production. We are trying to FIG. 1 is a cross-sectional view showing an example of molding as a weather strip. As shown in the figure, this type of molding consists of a core material 1 made of galvanized steel plate and formed into an approximately inverted U shape. , a surface material 2 made of synthetic resin that covers the inner and outer surfaces of the core material, a lip 3 that protrudes in the direction of the vertically moving window glass and removes dust, moisture, etc. from the surface of the window glass, and the surface material 2 A decorative member 4 made of a stainless steel plate or stainless steel foil is attached to the outer surface of the window, and this molding M is attached to the edge of the window with a clip or the like (not shown).
このようなモールデイングは、第２図に示すよ
うな装置によつて製造される。第２図において、
１０は上記亜鉛メツキ鋼板等の芯材１が巻取られ
たドラムであり、このドラム１０から送り出され
る芯材１の表面には、接着剤塗布装置１１によつ
て接着剤が塗布され、ついで芯材１は、高周波加
熱装置１２に供され、この加熱工程で接着剤を芯
材１の表面に加熱焼付けすることが出来、ついで
芯材１は、冷却槽１３に供され、この冷却槽によ
つて水冷される。次に芯材１はふき取り装置１４
によつて、その表面に付着した水分が除去され、
ロール成形機１５に供され、このロール成形機１
５によつて断面が第１図に示すような、ほぼ逆Ｕ
字状となるように成形された後、押出し成形型１
６に供される。この押出し成形型１６は第３図に
示すように、上記芯材１をガイドするガイド孔１
７、装飾部材４をガイドするガイド孔１８、及び
上記ガイド孔１７からガイドされる芯材１、上記
ガイド孔１８からガイドされる装飾部材４を、加
圧された合成樹脂と共に押出す押出し口１９を有
している。上記押出し口１９の断面形状は、第１
図に示すようにモールデイングＭの断面形状と同
じ形状に設定されており、この押出し成形型１６
の押出し口１９から押出されたモールデイングＭ
は冷却槽２０によつて冷却された後引取り装置２
１によつてさらに長手方向に引取られた後、カツ
ター２２によつて一定長さに切断して自動車に適
合するモールデイングとして製造される。 Such moldings are manufactured by an apparatus such as that shown in FIG. In Figure 2,
Reference numeral 10 denotes a drum on which the core material 1 such as the galvanized steel plate described above is wound. An adhesive is applied to the surface of the core material 1 sent out from this drum 10 by an adhesive application device 11, and then the core material 1 is rolled up. The material 1 is provided to a high frequency heating device 12, and the adhesive can be heated and baked onto the surface of the core material 1 in this heating process, and then the core material 1 is provided to a cooling tank 13, where it is heated and baked. It is then water cooled. Next, the core material 1 is wiped off by the wiping device 14.
The moisture adhering to the surface is removed by
The roll forming machine 1 is supplied to a roll forming machine 15.
5, the cross section is almost an inverted U as shown in Figure 1.
After being molded into a letter shape, extrusion mold 1
Served on 6th. As shown in FIG. 3, this extrusion mold 16 has guide holes 1 for guiding the core material 1.
7. A guide hole 18 that guides the decorative member 4, a core material 1 that is guided through the guide hole 17, and an extrusion port 19 that extrudes the decorative member 4 that is guided through the guide hole 18 together with the pressurized synthetic resin. have. The cross-sectional shape of the extrusion port 19 is
As shown in the figure, the extrusion mold 16 is set to have the same cross-sectional shape as the molding M.
The molding M extruded from the extrusion port 19 of
is cooled by the cooling tank 20 and then transferred to the take-up device 2
1 and then cut into a certain length by a cutter 22 to manufacture a molding suitable for an automobile.
ここで上記装飾部材４は、ドラム２３より送り
出された後、ガイド孔１８に導かれるのである。
この場合、ガイド孔１８の断面形状は、装飾部材
４が第４図に示すようにモールデイングＭに対し
一体化された後の所定の断面形状となるように、
本実施例ではほぼＣ字状となるように成形されて
いる。従つて、装飾部材４はこのガイド孔１８の
ガイド途中で断面Ｃ字状に変形され、ほぼ断面Ｃ
字状に成形されて押出し口１９に導かれる。この
ように押出し成形型１６に設けたガイド孔１８に
よつて装飾部材４を変形することにより押出し口
１９から押出された装飾部材４は、その変形状態
を保つて、モールデイングＭに一体化されること
になる。 Here, the decorative member 4 is fed out from the drum 23 and then guided to the guide hole 18.
In this case, the cross-sectional shape of the guide hole 18 is set so that it has a predetermined cross-sectional shape after the decorative member 4 is integrated with the molding M as shown in FIG.
In this embodiment, it is formed into a substantially C-shape. Therefore, the decorative member 4 is deformed into a C-shaped cross section while being guided through the guide hole 18, and has a substantially C-shaped cross section.
It is formed into a letter shape and guided to the extrusion port 19. The decorative member 4 extruded from the extrusion port 19 by deforming the decorative member 4 through the guide hole 18 provided in the extrusion mold 16 is integrated into the molding M while maintaining its deformed state. That will happen.
しかしながら、このように押出し成形型１６の
ガイド孔１８によつて、装飾部材４をたわませて
成形するものとすれば、装飾部材４がガイド孔１
８の壁面に接して、その壁面との摩耗に基づき装
飾部材４の表面に傷が付いてしまい、その傷が目
視されることから、美感が著しく損なわれるとい
う欠点を有していた。又ガイド孔１８の内壁も装
飾部材４の摩擦により、次第に断面形状が変形し
てしまい、押出し成形型１６の寿命が短かくなる
という欠点を有していた。 However, if the decorative member 4 is bent and molded by the guide hole 18 of the extrusion mold 16, the decorative member 4 will be bent through the guide hole 18 of the extrusion mold 16.
8, the surface of the decorative member 4 is scratched due to abrasion with the wall surface, and since the scratches are visible, the aesthetic appearance is significantly impaired. Furthermore, the cross-sectional shape of the inner wall of the guide hole 18 is gradually deformed due to the friction of the decorative member 4, resulting in a disadvantage that the life of the extrusion mold 16 is shortened.
本発明の目的は、押出し成形型に芯材及び装飾
部材を同時に導入する前に、芯材及び装飾部材を
互いに近接した平行状態で且つ同期的に接着剤塗
布装置に供すると共に、これら両部材をそれぞれ
成形するロールを備えるロール成形機により、所
定の横断面形状に折曲成形し、折曲された芯材
を、その進路が直線状になるよう押出し成型形に
導入し、一方、折曲された装飾部材を芯材に近接
させるようその進路を曲げて上記押出し成形型に
導入するようにして、装飾部材とガイド孔との間
の摩擦を軽減して、上記欠点を除去するものであ
り、以下実施例を用いて詳細に説明する。 It is an object of the present invention to subject the core material and the decorative member to an adhesive applicator in parallel and close proximity to each other and synchronously before simultaneously introducing the core material and the decorative member into an extrusion mold, and to The core material is bent into a predetermined cross-sectional shape by a roll forming machine equipped with respective forming rolls, and the bent core material is introduced into an extrusion molding shape so that its path is straight. The decorative member is introduced into the extrusion mold by bending its path so as to bring it close to the core material, thereby reducing friction between the decorative member and the guide hole and eliminating the above-mentioned drawbacks, This will be explained in detail below using examples.
第５図は本発明によるモールデイングの押出し
成形方法の一実施例を示す平面図であり、第２図
と同じものは同一符号を用いている。本発明にお
いては、ドラム２３より送り出される装飾部材４
を芯材１と位置的及び時間的に平行して送り出
す。すなわち、芯材１とともに接着剤塗布装置１
１に供して、装飾部材４の表面に接着剤を塗布し
た後、高周波加熱装置１２によつて加熱して接着
剤を加熱焼付けし、冷却槽１３で水冷した後、ふ
き取り装置１４でふき取る。次に、芯材１及び装
飾部材４はロール成形機１５Ａに導入される。こ
のロール成形機１５Ａは２つのロール１５ａ，１
５ｂを備えており、第１図に示すように、装飾部
材４はロール１５ｂによつて断面ほぼＣ字状とな
るよう成形され、他方芯材１は、ロール１５ａに
よつて、ほぼ逆Ｕ字状となるように成形され、こ
れらロール成形後の装飾部材４、及び芯材１を押
出し成形型１６Ａのそれぞれのガイド孔１８Ａ，
１７Ａに導き、この押出し成形型１６Ａ内で導入
した溶融合成樹脂Ｇと共に押出し口１９より一体
に押し出すのである。この場合、芯材１は、剛性
を有するので、容易に変形することができないた
め常に直線状となつて、最終工程までガイドされ
るが、装飾部材４は、押出し成形型１６Ａに導入
される前に部分Ｓにおいてガイド方向が押出し成
形型１６Ａ方向に変形された後押出し成形型１６
Ａに導かれる。 FIG. 5 is a plan view showing an embodiment of the molding extrusion method according to the present invention, and the same parts as in FIG. 2 are designated by the same reference numerals. In the present invention, the decorative member 4 sent out from the drum 23
is sent out parallel to the core material 1 both in position and time. That is, the adhesive applicator 1 along with the core material 1
1, the adhesive is applied to the surface of the decorative member 4, heated by a high-frequency heating device 12 to bake the adhesive, cooled with water in a cooling tank 13, and then wiped off by a wiping device 14. Next, the core material 1 and the decorative member 4 are introduced into the roll forming machine 15A. This roll forming machine 15A has two rolls 15a, 1
5b, as shown in FIG. 1, the decorative member 4 is formed by rolls 15b into a substantially C-shaped cross section, while the core material 1 is formed into a substantially inverted U-shape by rolls 15a. The roll-formed decorative member 4 and the core material 1 are extruded through the respective guide holes 18A of the extrusion mold 16A.
17A, and extruded from the extrusion port 19 together with the molten synthetic resin G introduced into the extrusion mold 16A. In this case, the core material 1 is rigid and cannot be easily deformed, so it always remains in a straight line and is guided to the final process, but the decorative member 4 is removed before being introduced into the extrusion mold 16A. The guide direction of the extrusion mold 16 is deformed in the direction of the extrusion mold 16A at the portion S.
Guided by A.
以上の構成によれば、装飾部材４を押出し成形
型１６Ａに導く前に予めモールデイングとして完
成後の断面形状となるようにロール成形し、その
後、芯材１に近接するよう進路を曲げてから、押
出し成形型１６Ａのガイド孔１８Ａに導入するよ
うにしているので、装飾部材４はガイド孔１８Ａ
に導入後、押出し口１９付近で僅かに曲がるだけ
である。従つて、この装飾部材が押出し成形型の
ガイド孔１８Ａを通過する過程において、そのガ
イド孔１８Ａとの内壁との間に何等摩擦が発生せ
ず、従つて装飾部材４の表面に傷等が付着せず、
又ガイド孔１８Ａの内壁が摩耗することがなくな
る。従つて、モールデイングにおける装飾部材の
表面の美感を高めることが出来、かつ押出し成形
型の長寿命化を図ることが出来る。 According to the above configuration, before introducing the decorative member 4 into the extrusion mold 16A, it is roll-formed as a molding in advance so as to have the completed cross-sectional shape, and then, after bending its course so as to approach the core material 1, Since the decorative member 4 is introduced into the guide hole 18A of the extrusion mold 16A, the decorative member 4 is introduced into the guide hole 18A of the extrusion mold 16A.
After being introduced, it bends only slightly near the extrusion port 19. Therefore, in the process of this decorative member passing through the guide hole 18A of the extrusion mold, no friction occurs between the guide hole 18A and the inner wall, and therefore no scratches or the like are caused on the surface of the decorative member 4. without wearing it,
Further, the inner wall of the guide hole 18A will not wear out. Therefore, the aesthetic appearance of the surface of the decorative member in molding can be improved, and the life of the extrusion mold can be extended.
また、装飾部材４と芯材１とを互いに平行に近
接させた状態で同時に送り出すので、一組の接着
剤塗布装置１１及びロール成形機１５Ａ（ロール
は芯材用ロール１５ａと装飾部材用ロール１５ｂ
の２種類備えている。）だけで両部材の処理がで
きて、各装置の管理も容易となる。 Moreover, since the decorative member 4 and the core material 1 are sent out at the same time in parallel and close to each other, a set of the adhesive applicator 11 and the roll forming machine 15A (the rolls are a core material roll 15a and a decorative member roll 15b) are used.
There are two types. ) can process both parts, making it easier to manage each device.
尚、本発明においては、ウエザーストリツプと
してのモールデイングを成形する場合について説
明したが、本発明はこれに限定されず、他のモー
ルデイングについても、同様に本発明を適用する
ことが出来る。 Although the present invention has been described with respect to the case where a molding is formed as a weather strip, the present invention is not limited to this, and the present invention can be similarly applied to other moldings. .
以上説明したように、本発明によるモールデイ
ングの押出し成形方法によれば、押出し成形型に
芯材及び装飾部材を同時に導入する前に、芯材及
び装飾部材を互いに近接した平行状態で且つ同期
的に接着剤塗布装置に供すると共に、これら両部
材をそれぞれ成形するロールを備えるロール成形
機により、所定の横断面形状に折曲成形し、折曲
された芯材を、その進路が直線状になるよう押出
し成形型に導入し、一方、折曲された装飾部材を
芯材に近接させるようその進路を曲げて上記押出
し成形型に導入するようにしたので、押出し成形
型内の摩耗を少なくできて装飾部材の表面に傷を
付けることが無くなり、美感の優れたモールデイ
ングを製造することが可能となる。 As explained above, according to the extrusion molding method of the present invention, before introducing the core material and the decorative member into the extrusion mold at the same time, the core material and the decorative member are placed close to each other in a parallel state and synchronously. At the same time, the core material is bent into a predetermined cross-sectional shape by a roll forming machine equipped with rolls for forming both members, and the bent core material is made to have a straight path. On the other hand, the bent decorative member is introduced into the extrusion mold by bending its path so as to bring it close to the core material, so that wear inside the extrusion mold can be reduced. This eliminates the possibility of damaging the surface of the decorative member, making it possible to produce moldings with excellent aesthetic appeal.
第１図はウエザーストリツプの一例を示す断面
図、第２図ないし第４図は従来のモールデイング
の押出し成形方法の一例を示す簡略構成図、側面
図及び断面図、第５図は本発明によるモールデイ
ングの押出し成形方法の実施例を示す平面図、第
６図は押出し成形型の断面図である。
１……芯材、２……表被材、３……リツプ、４
……装飾部材、１０，２３……ドラム、１１……
接着剤塗布装置、１２……高周波加熱装置、１３
……冷却槽、１４……ふき取り装置、１５Ａ……
ロール成形機、１６Ａ……押出し型、２０……冷
却槽、２１……引き取り装置、２２……カツタ
ー、１５ａ，１５ｂ……ロール。
Fig. 1 is a sectional view showing an example of a weather strip, Figs. 2 to 4 are simplified configuration diagrams, side views and sectional views showing an example of a conventional extrusion molding method, and Fig. 5 is a sectional view showing an example of a conventional molding extrusion method. FIG. 6 is a plan view showing an embodiment of the molding extrusion method according to the invention, and FIG. 6 is a sectional view of the extrusion mold. 1...Core material, 2...Outer material, 3...Rip, 4
... Decorative member, 10, 23 ... Drum, 11 ...
Adhesive application device, 12...High frequency heating device, 13
...Cooling tank, 14...Wiping device, 15A...
Roll forming machine, 16A...Extrusion mold, 20...Cooling tank, 21...Take-up device, 22...Cutter, 15a, 15b...Roll.
Claims (1)
有する合成樹脂製モールデイングの押出し成形方
法において、押出し成形型に芯材及び装飾部材を
同時に導入する前に、芯材及び装飾部材を互いに
近接した平行状態で且つ同期的に接着剤塗布装置
に供すると共に、これら両部材をそれぞれ成形す
るロールを備えるロール成形機により、所定の横
断面形状に折曲成形し、折曲された芯材を、その
進路が直線状になるよう押出し成形型に導入し、
一方、折曲された装飾部材を芯材に近接させるよ
うその進路を曲げて上記押出し成形型に導入する
ようにしたことを特徴とするモールデイングの押
出し成形方法。 ２ 装飾部材は、ステンレス鋼板又はステンレス
鋼箔より成る特許請求の範囲第１項記載のモール
デイングの押出し成形方法。[Claims] 1. In an extrusion molding method for a synthetic resin molding having a core material made of a metal plate and a decorative member made of a bright metal plate, before simultaneously introducing the core material and the decorative member into the extrusion mold, The core material and the decorative member are provided to an adhesive application device in a parallel state close to each other and synchronously, and are bent and formed into a predetermined cross-sectional shape by a roll forming machine equipped with rolls for forming each of these two members, The bent core material is introduced into an extrusion mold so that its path is straight,
On the other hand, a molding extrusion method characterized in that the bent decorative member is introduced into the extrusion mold by bending its course so as to bring it close to the core material. 2. The extrusion molding method according to claim 1, wherein the decorative member is made of a stainless steel plate or stainless steel foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56211600A JPS58114928A (en) | 1981-12-28 | 1981-12-28 | Extrusion molding method of molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56211600A JPS58114928A (en) | 1981-12-28 | 1981-12-28 | Extrusion molding method of molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58114928A JPS58114928A (en) | 1983-07-08 |
| JPH0137251B2 true JPH0137251B2 (en) | 1989-08-04 |
Family
ID=16608443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56211600A Granted JPS58114928A (en) | 1981-12-28 | 1981-12-28 | Extrusion molding method of molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58114928A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4622161B2 (en) * | 2001-06-13 | 2011-02-02 | アイシン精機株式会社 | Manufacturing method for vehicle molding |
-
1981
- 1981-12-28 JP JP56211600A patent/JPS58114928A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58114928A (en) | 1983-07-08 |
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