JPS62222823A - Apparatus for extruding weather strip containing step core material - Google Patents
Apparatus for extruding weather strip containing step core materialInfo
- Publication number
- JPS62222823A JPS62222823A JP61066781A JP6678186A JPS62222823A JP S62222823 A JPS62222823 A JP S62222823A JP 61066781 A JP61066781 A JP 61066781A JP 6678186 A JP6678186 A JP 6678186A JP S62222823 A JPS62222823 A JP S62222823A
- Authority
- JP
- Japan
- Prior art keywords
- core material
- irregularly shaped
- upper roller
- passage
- shaped core
- 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.)
- Pending
Links
- 239000011162 core material Substances 0.000 title claims abstract description 86
- 239000013013 elastic material Substances 0.000 claims abstract description 35
- 238000001125 extrusion Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000001788 irregular 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Seal Device For Vehicle (AREA)
- Extrusion 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
本発明は自動車等車両に用いられるウェザ−ストリップ
を製造する際の押出装置に関し、特には、ゴム等弾性体
の内方に異形芯材を埋設する一方、該異形芯材に付着し
た前記弾性材が夫々異った材質を有するウェザ−ストリ
ップの製造手段に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an extrusion device for manufacturing weather strips used in vehicles such as automobiles, and in particular, to an extrusion device for embedding a deformed core material inside an elastic body such as rubber. On the other hand, the present invention relates to a means for manufacturing a weatherstrip in which the elastic materials attached to the irregularly shaped core material are made of different materials.
従来の技術
上記に関して従来から用いられている一般的な製造装置
例を第３図の概略図によシ説明する。即ち同図において
１は芯材ガイドを示し、該芯材ガイド１の内方に芯材２
が通過する通路３が貫設されている。尚本例では芯材２
として平板状の素材に切込み２ａが形成されたものを用
いている。４は第１の弾性材を供給するための供給機構
を示し、加熱源を内蔵しているとともに、供給路５によ
って第１の弾性材を順次供給している。６は第２の弾性
材を供給するための供給機構を示し、上記と同様な加熱
源を内蔵しているとともに供給路７によって第２の弾性
材を順次供給している。上記第１の弾性材を硬質のソリ
ッドゴムとし、第２の弾性材を軟質のスポンジゴムとす
れば、芯材２の周囲にソリッドゴムが付着され、且つ該
ソリッドゴムの周囲にスポンジゴムが一体に付着したウ
ェザ−ストリップ８が矢印入方向へ順次押出成形される
。2. Description of the Related Art An example of a general manufacturing apparatus conventionally used in connection with the above will be explained with reference to the schematic diagram of FIG. That is, in the figure, 1 indicates a core material guide, and a core material 2 is placed inside the core material guide 1.
A passage 3 is provided through the passageway 3 through which the passage 3 passes. In this example, core material 2
A plate-like material in which notches 2a are formed is used as the material. Reference numeral 4 denotes a supply mechanism for supplying the first elastic material, which has a built-in heating source and sequentially supplies the first elastic material through a supply path 5. Reference numeral 6 indicates a supply mechanism for supplying the second elastic material, which has a built-in heating source similar to that described above, and sequentially supplies the second elastic material through a supply path 7. If the first elastic material is a hard solid rubber and the second elastic material is a soft sponge rubber, the solid rubber is attached around the core material 2, and the sponge rubber is integrated around the solid rubber. The weather strip 8 adhered to is sequentially extruded in the direction of the arrow.
発明が解決しようとする問題点
しかしながらこのような従来の芯材入りウェザ−ストリ
ップの押出装置によれば、第】の弾性材を供給するため
の供給機構４と、第２の弾性材を供給するための供給機
構６による強制押出力、換官すればゴム吐出圧によって
芯材２を移動させているため、前記平板状の芯材２に代
えて異形芯材、例えば断面Ｕ字状の芯材を用いた際に、
該異形芯材に対する押出力が不足して芯材の移動が円滑
に行われ難く々るという欠点を有している。即ち平板状
の芯材２を用いた場合、加熱源によって流動性が付与さ
れた弾性材の流れを前記平板状の芯材の上下両面で受け
ているので、芯材の押出力は比較的順調に行われるが、
該平板状の芯材２に代えて断面Ｕ字状の異形芯材を用い
た場合には、該異形芯材の上下、左右を流れる弾性材の
押出力が不均一となって異形芯材の進行方向が偏より、
スムーズな移動が行われなくなるという問題点が発生す
る。Problems to be Solved by the Invention However, according to such a conventional extrusion device for a weatherstrip containing a core material, there is a supply mechanism 4 for supplying the first elastic material and a supply mechanism 4 for supplying the second elastic material. Since the core material 2 is moved by the forced extrusion force by the supply mechanism 6, or the rubber discharge pressure, instead of the flat core material 2, an irregularly shaped core material, for example a core material with a U-shaped cross section, is used. When using
This has the disadvantage that the extrusion force against the irregularly shaped core material is insufficient, making it difficult to move the core material smoothly. In other words, when a flat core material 2 is used, the flow of the elastic material imparted with fluidity by the heating source is received by both the upper and lower surfaces of the flat core material, so the extrusion force of the core material is relatively smooth. It is held in
When an irregularly shaped core material with a U-shaped cross section is used instead of the flat core material 2, the extrusion force of the elastic material flowing above, below, left and right of the irregularly shaped core material becomes uneven, and the irregularly shaped core material The direction of travel is biased,
A problem arises in that smooth movement is no longer possible.
そこで本発明は平板状の芯材に代えて、前記した如き異
形芯材を用いた場合にあっても、該異形芯材の移動をス
ムーズに行うことのできる押出装置の提供を目的とする
ものである。Therefore, an object of the present invention is to provide an extrusion device that can smoothly move the irregularly shaped core material even when the aforementioned irregularly shaped core material is used instead of the flat core material. It is.
問題点を解決するための手段
前記異形芯材が通過する通路が貫設された芯材ガイドの
相対向する部位に、異形芯材の通路に寸で達する開口部
を設け、該開口部内に、駆動源からの回転力が付与され
て前記異形芯材を挾着しながら強制移動させる一対のロ
ーラを装着しである。Means for Solving the Problems An opening that reaches the passage of the irregularly shaped core is provided in opposing parts of the core guide through which the irregularly shaped core passes through, and within the opening, It is equipped with a pair of rollers that are applied with rotational force from a drive source to forcibly move the irregularly shaped core material while clamping it.
作用
異形芯材入りウェザ−ストリップの製造に際して、弾性
材供給機構から流動性を有する第１及び第２の弾性材を
供給する一方、前記一対のローラの少なくとも一方側に
駆動源の回転力を付与することによって、該ローラに挾
着された異形芯材が一定の速度で強制移動され、該異形
芯材の周囲に前記第１及び第２の弾性材が均一厚に付着
形成される。Function: When manufacturing a weatherstrip containing a deformed core material, the first and second elastic materials having fluidity are supplied from the elastic material supply mechanism, and at the same time, the rotational force of the drive source is applied to at least one side of the pair of rollers. As a result, the irregularly shaped core material clamped by the rollers is forcibly moved at a constant speed, and the first and second elastic materials are adhered and formed in a uniform thickness around the irregularly shaped core material.
実施例
以下図面を参照して本発明に係る異形芯材入りウェザ−
ストリップの押出装置の説明を行う。EXAMPLES Below, with reference to the drawings, we will explain weather with a deformed core material according to the present invention.
The strip extrusion device will be explained.
第１図及び第２図に示した構成において、１１は芯材ガ
イドであり、該芯材ガイド１１の内方に断面略Ｕ字状の
通路１２が貫設されていて、この通路１２にＵ字状の異
形芯材１３が挿通される。一方この芯材ガイド１１の相
対向する部位、図示例では芯材ガイド１１の上方及び下
方に、前記通路１２にまで達する開口部１４ 、１５が
設けてあシ、上方の開口部１４に上ローラ１６が、下方
の開口部１５に下ローラ１７が夫ｈ装着される。上ロー
ラ１６と下ローラ１７の回転中心には夫々支軸１８ 、
１９が軸受加、２０を介して回転自在に挿通されていて
、該支軸１８ 、１９は図外の支持体に固定されている
。上記上ローラ１６と下ローラ１７の少々くとも一方側
のローラ、即ち図示例では上ローラ１６の側部に歯車２
１がビスｎ、２２を用いて固定されていて、且つ軸受ｎ
、２３を介して上ローラ１６とともに支軸１８の周囲で
回転自在に構成しである。冴は動力伝達用の駆動歯車で
あって、回転中心に挿通固定された支軸５が図示し力い
モータ等駆動源の回転力を受けて回転する。この駆動歯
車冴の歯部２４ａが前記上ローラ１６の側部に固定され
た歯車２１の歯部２１＆と噛合していて、駆動歯車冴の
回転力が歯車２１に伝達され、且つ上ローラ１６を回転
駆動するようにしである。In the structure shown in FIGS. 1 and 2, reference numeral 11 denotes a core material guide, and a passage 12 having a substantially U-shaped cross section is provided inwardly of the core material guide 11. A letter-shaped irregularly shaped core material 13 is inserted. On the other hand, openings 14 and 15 reaching up to the passage 12 are provided in opposing parts of the core guide 11, in the illustrated example above and below the core guide 11, and the upper opening 14 is provided with an upper roller. 16, a lower roller 17 is attached to the lower opening 15. At the rotation centers of the upper roller 16 and lower roller 17, there are spindles 18,
19 is rotatably inserted through a bearing 20, and the support shafts 18 and 19 are fixed to a support (not shown). A gear 2 is attached to a roller on at least one side of the upper roller 16 and the lower roller 17, that is, on the side of the upper roller 16 in the illustrated example.
1 is fixed using screws n and 22, and bearing n
, 23, it is configured to be rotatable around the support shaft 18 together with the upper roller 16. Sae is a drive gear for power transmission, and a support shaft 5 inserted through and fixed to the center of rotation rotates under the rotational force of a powerful drive source such as a motor. The teeth 24a of the drive gear mesh with the teeth 21 of the gear 21 fixed to the side of the upper roller 16, so that the rotational force of the drive gear is transmitted to the gear 21 and the upper roller 16 is rotated. It is designed to be rotated.
前記上ローラ１６と下ローラ１７とは、その接触部分で
第２図に示した如く異形芯材１３を挾持する位置にあシ
、該上ローラ１６と下ローラ１７とは互いに逆方向（第
１図のＢ方向）に回転して異形芯材１３を矢印Ｃ方向に
強制移動させるようにしである。The upper roller 16 and the lower roller 17 have their reeds at a position where they sandwich the irregularly shaped core material 13 as shown in FIG. The deformed core material 13 is forcibly moved in the direction of arrow C by rotating in the direction B in the figure.
前記芯材ガイド１１の周辺には第２図に示した弾性材供
給機構２６が付設しである。即ちこの弾性材供給機構部
には、第１の弾性材を供給するだめの供給路ｎと、第２
の弾性材を供給するだめの供給路路が設けてあり、夫々
材質の異なる第１及び第２の弾性材が流動性を保ちなが
ら上記供給路谷。An elastic material supply mechanism 26 shown in FIG. 2 is attached around the core material guide 11. That is, this elastic material supply mechanism section includes a supply path n for supplying the first elastic material, and a second supply path n for supplying the first elastic material.
A reservoir supply path is provided for supplying the elastic material, and the first and second elastic materials, each made of a different material, maintain fluidity while filling the supply path trough.
路内を図外のスクリュー機構によって強制的に流通する
。２９は温度調節ジャケットであって、高温の蒸気もし
くは電気的手段によって前記第１．第２の弾性材を加温
している。It is forced to flow through the passageway by a screw mechanism (not shown). Reference numeral 29 is a temperature control jacket which controls the first temperature by using high temperature steam or electric means. The second elastic material is heated.
かかる構成による異形芯拐入りウエザーストリツプの押
出装置の作用は以下の通シである。即ち装置の起動に際
して芯材ガイド１１の通路１２に断面Ｕ字状の異形芯材
１３を挿入し、該異形芯材１３の上方及び下方よシ上ロ
ーラ１６及び下ローラ１７の周端部を当接させる。（第
２図に示した状態）次に供給路τに第１の弾性材、例え
ば硬質のソリッドゴムを流通させ、且つ供給路四に第２
の弾性材、例えば軟質のスポンジゴムを流通させる。こ
の時温度調節ジャケット２９内に高温のスチームを通し
て前記第１．第２の弾性材の流動性を保持させる。The operation of the apparatus for extruding a weatherstrip with a modified core having such a structure is as follows. That is, when starting up the device, the irregularly shaped core material 13 having a U-shaped cross section is inserted into the passage 12 of the core material guide 11, and the peripheral ends of the upper roller 16 and the lower roller 17 are applied above and below the irregularly shaped core material 13. Let them come into contact with you. (Situation shown in Fig. 2) Next, a first elastic material such as hard solid rubber is passed through the supply path τ, and a second elastic material is passed through the supply path 4.
An elastic material such as soft sponge rubber is distributed. At this time, high-temperature steam is passed through the temperature control jacket 29. The fluidity of the second elastic material is maintained.
更に図外のモータ等駆動源を起動して支軸５に結合され
た駆動歯車２４ヲ回転させると、該駆動歯車Ｕの回転が
歯部２４ ａ 、 ２１ ａを介して歯車２１に伝達さ
れ、上ローラ１６が第１図の矢印Ｂ方向へ回動する。Furthermore, when a drive source such as a motor (not shown) is started to rotate the drive gear 24 coupled to the support shaft 5, the rotation of the drive gear U is transmitted to the gear 21 via the teeth 24a and 21a. The upper roller 16 rotates in the direction of arrow B in FIG.
すると上ローラ１６の回転力が該上ローラ１６と下ロー
ラ１７間に挾着されている異形芯材１３に伝わシ、この
異形芯材１３を強制移動させる。この時下ローラ１７は
異形芯材１３の動きに従動して回転して、該異形芯材１
３の動きをスムーズにする作用がある。Then, the rotational force of the upper roller 16 is transmitted to the irregularly shaped core material 13 held between the upper roller 16 and the lower roller 17, and the irregularly shaped core material 13 is forcibly moved. At this time, the lower roller 17 rotates following the movement of the irregularly shaped core material 13, and the lower roller 17 rotates following the movement of the irregularly shaped core material 13.
It has the effect of smoothing the movement of step 3.
このようにして異形芯材１３が強制移動され、同時に供
給路ｒ、２８’ｉ介して夫々第１．第２の弾性材が送給
されるので、図示しない合流点において異形芯材１３の
表面に第１の弾性材が付着され、且つ連続して第２の弾
性材が付着されて、異形芯材入シのウェザ−ストリップ
が順次押出成形されるものである。In this way, the deformed core material 13 is forcibly moved, and at the same time, the first. Since the second elastic material is fed, the first elastic material is attached to the surface of the irregularly shaped core material 13 at a confluence point (not shown), and the second elastic material is continuously attached to the irregularly shaped core material 13. The weatherstrips are sequentially extruded.
発明の効果
以上詳細に説明した如く、本発明に係る異形芯材入りウ
ェザ−ストリップの押出装置によれば該異形芯材が通過
する通路が貫設された芯材ガイドの相対向する部位に、
異形芯材の通路にまで達する開口部を設け、該開口部内
に、駆動源からの回転力が付与されて前記異形芯材を挾
着しながら強制移動させる一対のローラを装着したので
、該ローラの回転に伴って異形芯材が一定速度で強制移
動をすることが可能になる。従って異形芯材の移動がス
ムーズに且つ確実に行われて、押出力不足に伴う該異形
芯材の停滞を防止する。それによって前記芯材ガイドに
近接して設けられて、夫々異った材質を有する第１及び
第２のゴム等弾性材の供給１機構によって送給される弾
性材が、前記異形芯材の周囲に頴次均−厚に付着される
ので、得られた芯材入りウエザーストリツプの品質が均
一となシ、不良の発生がないという大きな利点を発揮す
る。Effects of the Invention As explained in detail above, according to the extrusion device for a weatherstrip containing irregularly shaped core material according to the present invention, the opposite parts of the core material guide through which the passage through which the irregularly shaped core material passes are provided.
An opening that reaches the path of the irregularly shaped core material is provided, and a pair of rollers that are applied with a rotational force from a drive source and forcibly move the irregularly shaped core material while clamping the irregularly shaped core material are installed in the opening. As the core rotates, the deformed core material can be forced to move at a constant speed. Therefore, the irregularly shaped core material is moved smoothly and reliably, and stagnation of the irregularly shaped core material due to insufficient extrusion force is prevented. As a result, the elastic material supplied by the first and second elastic material supply mechanism 1, such as rubber, which is provided close to the core material guide and has different materials, is applied to the periphery of the irregularly shaped core material. Since the weatherstrip is applied with a uniform thickness, the quality of the obtained weatherstrip with core material is uniform and there is no occurrence of defects, which is a great advantage.
第１図は本発明に係る押出装置の要部を示す斜視図、第
２図は第１図の■−■線に沿うとともに、他の弾性材供
給機構を付設した状態を示す断面図、第３図は従来の芯
材入りウエザーストリツプの押出装置例を説明するため
の概略図である。
１１・・・芯材ガイド、１３・・・異形芯材、１４ 、
１５・・・開口部、１６・・・上ローラ、１７・・・下
ローラ、２１・・・歯車、冴・・・駆動歯車、あ・・・
弾性材供給機構、υ・・・（第１の）供給路、四・・・
（第２の）供給路、２９・・・温度調節ジャケット
外２名Fig. 1 is a perspective view showing the main parts of the extrusion device according to the present invention, Fig. 2 is a sectional view taken along the line FIG. 3 is a schematic diagram for explaining an example of a conventional extrusion device for a weather strip containing a core material. 11... Core material guide, 13... Irregular core material, 14,
15...Opening, 16...Upper roller, 17...Lower roller, 21...Gear, Sae...Drive gear, Ah...
Elastic material supply mechanism, υ... (first) supply path, 4...
(Second) supply path, 29...2 people outside the temperature control jacket
Claims (1)
と、該芯材ガイドの前記通路に挿通された芯材の周囲に
夫々異つた材質を有する第１及び第２のゴム等弾性材を
付着するための弾性材供給機構を具えた構成において、
前記芯材ガイドの相対向する部位に異形芯材の通路にま
で達する開口部を設け、該開口部内に、駆動源からの回
転力が付与されて前記異形芯材を挾着しながら強制移動
させる一対のローラを装着したことを特徴とする異形芯
材入りウエザーストリツプの押出装置。(1) A core guide having a passage through which the irregularly shaped core passes, and first and second rubber, etc. having different materials around the core inserted into the passage of the core guide. In a configuration including an elastic material supply mechanism for attaching the elastic material,
An opening that reaches the path of the irregularly shaped core is provided in opposing parts of the core material guide, and a rotational force from a drive source is applied to the opening to forcibly move the irregularly shaped core while clamping it. An extrusion device for weather strips containing irregularly shaped core material, characterized by being equipped with a pair of rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61066781A JPS62222823A (en) | 1986-03-25 | 1986-03-25 | Apparatus for extruding weather strip containing step core material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61066781A JPS62222823A (en) | 1986-03-25 | 1986-03-25 | Apparatus for extruding weather strip containing step core material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62222823A true JPS62222823A (en) | 1987-09-30 |
Family
ID=13325752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61066781A Pending JPS62222823A (en) | 1986-03-25 | 1986-03-25 | Apparatus for extruding weather strip containing step core material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62222823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01264827A (en) * | 1988-04-15 | 1989-10-23 | Toyoda Gosei Co Ltd | Manufacture of weather strip |
-
1986
- 1986-03-25 JP JP61066781A patent/JPS62222823A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01264827A (en) * | 1988-04-15 | 1989-10-23 | Toyoda Gosei Co Ltd | Manufacture of weather strip |
| JPH0586904B2 (en) * | 1988-04-15 | 1993-12-14 | Toyoda Gosei Kk |
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