JP4219536B2 - Manufacturing method of strip product integrally formed with metal plate - Google Patents

Manufacturing method of strip product integrally formed with metal plate Download PDF

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Publication number
JP4219536B2
JP4219536B2 JP2000194358A JP2000194358A JP4219536B2 JP 4219536 B2 JP4219536 B2 JP 4219536B2 JP 2000194358 A JP2000194358 A JP 2000194358A JP 2000194358 A JP2000194358 A JP 2000194358A JP 4219536 B2 JP4219536 B2 JP 4219536B2
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Prior art keywords
metal plate
strip
integrally formed
strip product
continuously
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JP2002011746A (en
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子 英 樹 増
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Unimatec Co Ltd
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Unimatec Co Ltd
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    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/48—Endless belts
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/28—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/48—Endless belts
    • B29C2043/486—Endless belts cooperating with rollers or drums

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、高分子材料部分と帯状金属板とを互いに平行にかつ長手方向に連続して延びるように一体成形した条製品を連続的に製造する方法に関し、より詳しくは、条製品を帯状金属板を露出させた状態で、かつ任意の長さに連続的に製造する技術に関する。
【０００２】
【従来の技術】
従来、機器の移動に用いる図９に示すような樹脂レール１は、口金２を用いた押出成形によって任意の長さに製造することができる。
【０００３】
ところで、図１０に示したように、このような樹脂レール１と平行に長手方向に延びる帯状導電金属板３を樹脂レール１の表面に露出させた状態で一体に成形することができれば、この樹脂レール１によって移動する機器類に対して極めて簡単に電力を供給することができる。
【０００４】
【発明が解決しようとする課題】
しかしながら、図９に示した口金２を用いる押出成形においては樹脂レール１に対して帯状導電金属板３を正確に位置決めできないため、樹脂レール１の表面に帯状導電金属板３を連続的に露出させた状態で数十メートルもの長さに一体に成形することができない。
ましてや、帯状導電金属板３を断続的に露出させることは、口金２を用いる押出成形では全く不可能である。
また、押出成形した樹脂レール１に帯状導電金属板３を後から組み付けたのでは、製造コストが大幅に上昇してしまう。
【０００５】
一方、金型を用いた射出成形によれば樹脂レール１の表面に帯状導電金属板３を露出させた状態で製造することは可能であるが、その長さは金型の大きさによって制限されるため、数十メートルもの長さのものを製造することはできない。
【０００６】
そこで本発明の目的は、上述した従来技術が有する問題点を解消し、高分子材料部分と帯状金属板とを互いに平行にかつ長手方向に連続して延びるように一体成形した条製品を連続的に製造する方法を提供することにある。
【０００７】
【課題を解決するための手段】
上記課題を解決する請求項１に記載の手段は、高分子材料部分と帯状金属板とを互いに平行にかつ長手方向に連続して延びるように一体成形した条製品を連続的に製造する方法であって、
前記条製品の断面形状を有する凹溝が円周方向に延びるようにその外周面に連続的に凹設された成形ホイールを回転させるとともに、
前記円周方向に連続的に供給される閉鎖部材を前記成形ホイールの外周面の一部に巻き付けることにより前記凹溝の一部を閉鎖して始端開口および終端開口を有するキャビティを形成し、
前記円周方向に連続的に供給される前記帯状金属板を前記始端開口から前記キャビティ内に挿入して前記凹溝内で前記成形ホイールに巻き付け、
溶融させた高分子材料を前記始端開口から前記キャビティ内に連続的に注入しつつ前記キャビティ内で冷却固化させて前記帯状金属板と一体化させた後に前記帯状金属板と共に前記終端開口から前記キャビティ外に取り出す、
ことを特徴とするものである。
【０００８】
このとき、帯状金属板を導電性の金属板とすることにより、例えば機器移動用の樹脂レールと電力供給用の帯状導電金属板とを一体に成形した条製品を連続的に製造することができる。
【０００９】
また、帯状金属板を成形ホイールの凹溝の底面に巻き付けることにより、帯状金属板がその表面に露出させた条製品を連続的に製造することができる。
【００１０】
さらに、凹溝の底面に円周方向に間隔を開けて突設した複数の突出部の表面に帯状金属板の表面が当接するように帯状金属板を成形ホイールに巻き付けることにより、長手方向に断続的に帯状金属板が露出する条製品を連続的に製造することができる。
【００１１】
加えて、複数の凹溝を成形ホイールの軸線方向に並べて外周面に凹設するとともに、各複数の凹溝内に帯状金属板をそれぞれ個別に供給することにより、複数の帯状金属板が平行に並んだ条製品を連続的に製造することができる。
【００１２】
【発明の実施の形態】
以下、本発明に係る金属板を一体成形した条製品の製造方法の各実施形態を、図１乃至図８を参照して詳細に説明する。
なお、以下の説明においては、帯状金属板を供給する方向を前後方向と、成形ホイールの軸線方向を左右方向と言う。また、同一の部分には同一の符号を用いてその説明を省略する。
【００１３】
第１実施形態
まず最初に、図１乃至図５を参照し、本発明に係る金属板を一体成形した条製品の製造方法の第１実施形態について説明する。
【００１４】
図１および図２に示した製造装置１００は、図１０に示したような、機器移動用の樹脂レール１と電力供給用の帯状導電金属板３とを一体に成形した条製品４の製造に用いるもので、成形ホイール１０と閉鎖手段２０および溶融樹脂注入手段３０とを備えている。
【００１５】
成形ホイール１０は、金属材料から成る幅狭の円柱状の部材で、製造する条製品４の断面形状を有する凹溝１１が円周方向の全周にわたって延びるようにその外周面１２に連続的に凹設されるとともに、図示されない駆動手段によって駆動されて連続的に回転する。
また、図２に示したように、その回転中心Ｃに対して図示真上位置から図示真下位置まで円周方向に１８０度にわたって、帯状導電金属板３が凹溝１１の底面１３に巻き付けられる。
【００１６】
閉鎖手段２０は、合計３個のプーリ２１，２２，２３と、これらのプーリおよび成形ホイール１０間に巻き回される金属製で無端状の閉鎖ベルト２４とを有している。
閉鎖ベルト２４は、図２に示したように、成形ホイール１０の回転中心Ｃに対して図示真上位置から図示真下位置まで円周方向に１８０度にわたって成形ホイール１０の外周面１２に巻き付けられ、成形ホイール１０の凹溝１１を半径方向外側から閉鎖してキャビティ１４を形成する。
キャビティ１４は、成形ホイール１０の回転中心Ｃの図示真上位置に始端開口１５を、回転中心Ｃの図示真下位置に終端開口１６をそれぞれ有し、円周方向に１８０度にわたって延びている。
【００１７】
溶融樹脂注入手段３０は、加熱し溶融させた例えばポリアミド等の電気絶縁性樹脂材料をキャビティ１４内に注入するためのもので、図３に拡大して示したようにキャビティ１４の始端開口１５に臨む注入口３１を有している。
【００１８】
上述した製造装置１００を用いて条製品４を連続的に製造する際には、図２に示したように、成形ホイール１０を駆動して図示反時計方向に回転させる。
すると、図１および図２中に矢印Ａで示したように、成形ホイール１０の凹溝１１の底面１３に巻き付けた帯状導電金属板３が、始端開口１５からキャビティ１４内に連続的に供給される。
図４に示したように、キャビティ１４の始端開口１５においては、帯状導電金属板３が凹溝１１の底面１３に密着して凹溝１１内に正確に位置決めされる。
【００１９】
次いで、成形ホイール１０を回転させつつ、溶融樹脂注入手段３０の注入口３１からキャビティ１４内に溶融樹脂を注入すると、キャビティ１４内に注入された溶融樹脂は成形ホイール１０の回転に伴って終端開口１６に達する間に徐々に冷却されて固化し、図５に示したように樹脂部分１と帯状導電金属板３とが一体成形された条製品４が完成する。
これにより、図１および図２中に矢印Ｂで示したように、成形ホイール１０の回転に伴って条製品４を連続的に取り出すことができる。
【００２０】
すなわち、本第１実施形態における条製品の製造方法は、成形ホイール１０を連続的に回転させつつ、キャビティ１４の始端開口１５から帯状導電金属板３および溶融樹脂を連続的に投入するとともに、終端開口１６に達するまでの間に溶融樹脂を冷却固化させて帯状導電金属板３と一体化させ、終端開口１６から連続的に取り出すものであるから、数十メートルもの長さにおよぶ条製品４を連続的に製造することができる。
【００２１】
このとき、帯状導電金属板３が成形ホイール１０の凹溝１１の底面１３に密着するように成形ホイール１０に巻き付けられているので、帯状導電金属板３と凹溝１１の底面１３との間に溶融樹脂が入り込むことがない。
これにより、図１０に示したように帯状導電金属板３を条製品４の長手方向の全体にわたって露出させることができる。
【００２２】
第２実施形態
上述した第１実施形態においては、１条の帯状導電金属板３が延びる条製品４を製造した。
これに対して本第２実施形態においては、成形ホイール１０の外周面１２に左右一対の凹溝１１を左右方向に間隔を開けて凹設するとともに、これらの凹溝１１を閉鎖手段２０の閉鎖ベルト２４によって閉鎖して左右一対のキャビティ１４を形成する。
そして、これらのキャビティ１４内にそれぞれ帯状導電金属板３および溶融樹脂を投入すれば、図６に示したように樹脂部分４１に左右一対の帯状導電金属板４２，４３を露出させた条製品４０を連続的に製造することができる。
【００２３】
第３実施形態
上述した第１および第２実施形態においては、帯状導電金属板３が長手方向に連続的に露出した条製品４，４０を製造した。
これに対して本第３実施形態においては、図７に示したように、成形ホイール１０の凹溝１１の底面１３に、円盤状の突出部１７を円周方向に等しい間隔を開けて複数箇所に突設するとともに、これらの突出部１７の表面に帯状導電金属板５２を巻き付ける。
これにより、図８に示したように、樹脂部分５１と一体成形した帯状導電金属板５２が、長手方向に等間隔に配設された円孔５３の内側に露出する条製品５０を連続的に製造することができる。
【００２４】
以上、本発明に係る金属板を一体成形した条製品の製造方法の各実施形態ついて詳しく説明したが、本発明は上述した実施形態によって限定されるものではなく、種々の変更が可能であることは言うまでもない。
例えば、上述した実施形態においては、樹脂部分と帯状金属板とを一体成形した条製品を例にとって説明したが、ゴム部分と帯状金属板とを一体成形した条製品の製造に本発明を適用できることは言うまでもない。
【００２５】
【発明の効果】
以上の説明から明らかなように、本発明に係る金属板を一体成形した条製品を製造する方法は、回転する成形ホイールの外周面に凹設した凹溝を閉鎖部材を用いて閉鎖してキャビティを連続的に形成するとともに、このキャビティの始端開口から帯状金属板および溶融高分子材料を投入し、成形ホイールの回転に連れて高分子材料を冷却固化させて帯板状金属板と一体化させた後にキャビティの終端開口から取り出すものであるから、高分子材料部分と帯状金属板とを互いに平行にかつ長手方向に連続して延びるように一体成形した条製品を連続的に製造することができる。
また、成形ホイールに凹設した凹溝の底面に帯状金属板を密着させることにより、その表面に帯状金属板が露出する条製品を連続的に製造することができる。さらに、成形ホイールに凹設した凹溝の底面に円周方向に間隔を開けて複数の突出部を突設するとともに、これらの突出部の表面に帯状金属板を密着させることにより、長手方向に断続的に帯状金属板が露出する条製品を連続的に製造することができる。
【図面の簡単な説明】
【図１】金属板を一体成形した条製品の製造に用いる装置を分解した状態で示す斜視図。
【図２】図１に示した装置を組み立てた状態で示す側面図。
【図３】図２の要部拡大図。
【図４】図２中に示したＩＶ−ＩＶ破断線に沿った断面図。
【図５】図２中に示したＶ−Ｖ破断線に沿った断面図。
【図６】第２実施形態の条製品を示す斜視図。
【図７】第３実施形態の条製品を製造する際の図５と同様の断面図。
【図８】第３実施形態の条製品を示す斜視図。
【図９】樹脂製の条製品を口金を用いて押出成形する状態を模式的に示す斜視図。
【図１０】金属板を一体成形した条製品の一例を示す斜視図。
【符号の説明】
１ 樹脂レール（樹脂部分）
２ 口金
３ 帯状導電金属板
４ 第１実施形態の条製品
１０ 成形ホイール
１１ 凹溝
１２ 外周面
１３ 凹溝の底面
１４ キャビティ
１５ 始端開口
１６ 終端開口
１７ 突出部
２０ 閉鎖手段
２１，２２，２３ プーリ
２４ 閉鎖ベルト
３０ 溶融樹脂注入手段
３１ 注入口
４０ 第２実施形態の条製品
４１ 樹脂部分
４２，４３ 帯状導電金属板
５０ 第３実施形態の条製品
５１ 樹脂部分
５２ 帯状導電金属板
５３ 円孔
１００ 条製品の製造装置[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for continuously manufacturing a strip product in which a polymer material portion and a strip metal plate are integrally formed so as to extend in parallel with each other in the longitudinal direction, and more specifically, the strip product is strip metal. The present invention relates to a technique for continuously manufacturing a plate in an arbitrary length with the plate exposed.
[0002]
[Prior art]
Conventionally, the resin rail 1 as shown in FIG. 9 used for movement of equipment can be manufactured to an arbitrary length by extrusion molding using a base 2.
[0003]
By the way, as shown in FIG. 10, if such a strip-like conductive metal plate 3 extending in the longitudinal direction in parallel with the resin rail 1 can be formed integrally with the surface of the resin rail 1 being exposed, the resin Electric power can be supplied to the devices moving by the rail 1 very easily.
[0004]
[Problems to be solved by the invention]
However, in the extrusion molding using the base 2 shown in FIG. 9, since the strip-shaped conductive metal plate 3 cannot be accurately positioned with respect to the resin rail 1, the strip-shaped conductive metal plate 3 is continuously exposed on the surface of the resin rail 1. It cannot be integrally molded to a length of several tens of meters in a state of being wet.
In addition, intermittently exposing the strip-shaped conductive metal plate 3 is completely impossible by extrusion molding using the die 2.
Further, if the strip-shaped conductive metal plate 3 is assembled later on the extruded resin rail 1, the manufacturing cost will increase significantly.
[0005]
On the other hand, according to the injection molding using a mold, it is possible to manufacture with the strip-like conductive metal plate 3 exposed on the surface of the resin rail 1, but the length is limited by the size of the mold. Therefore, it is impossible to manufacture a product having a length of several tens of meters.
[0006]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to eliminate the above-described problems of the prior art, and to continuously produce a strip product in which a polymer material portion and a strip-shaped metal plate are integrally formed so as to extend in parallel and in the longitudinal direction. It is to provide a method of manufacturing.
[0007]
[Means for Solving the Problems]
The means according to claim 1, which solves the above problem, is a method for continuously producing a strip product in which a polymer material portion and a strip-shaped metal plate are integrally formed so as to extend in parallel with each other and in the longitudinal direction. There,
While rotating the forming wheel continuously recessed in the outer peripheral surface so that the groove having the cross-sectional shape of the strip product extends in the circumferential direction,
Wrapping a closing member continuously supplied in the circumferential direction around a part of the outer peripheral surface of the forming wheel to close a part of the concave groove to form a cavity having a start end opening and a terminal end opening;
Inserting the strip-shaped metal plate continuously supplied in the circumferential direction into the cavity from the opening of the starting end, and winding it around the forming wheel in the concave groove,
A molten polymer material is continuously injected into the cavity from the opening at the start end, and is cooled and solidified in the cavity to be integrated with the band metal plate, and then the cavity is formed from the terminal opening together with the band metal plate. Take it out,
It is characterized by this.
[0008]
At this time, by using the strip metal plate as a conductive metal plate, for example, it is possible to continuously manufacture a strip product in which a resin rail for device movement and a strip conductive metal plate for power supply are integrally formed. .
[0009]
Moreover, the strip | belt products which the strip | belt-shaped metal plate exposed on the surface can be continuously manufactured by winding a strip | belt-shaped metal plate around the bottom face of the ditch | groove of a shaping | molding wheel.
[0010]
Furthermore, the strip metal plate is wound around the forming wheel so that the surface of the strip metal plate abuts the surface of a plurality of protrusions projecting at circumferential intervals on the bottom surface of the concave groove, thereby intermittently extending in the longitudinal direction. In particular, it is possible to continuously produce strip products in which the strip metal plate is exposed.
[0011]
In addition, a plurality of grooved metal plates are arranged in parallel in the axial direction of the forming wheel and recessed on the outer peripheral surface, and the plurality of grooved metal plates are arranged in parallel by individually supplying the banded metal plates into the plurality of grooved grooves. Lined products can be manufactured continuously.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, each embodiment of the manufacturing method of the strip product which integrally formed the metal plate which concerns on this invention is described in detail with reference to FIG. 1 thru | or FIG.
In the following description, the direction in which the strip metal plate is supplied is referred to as the front-rear direction, and the axial direction of the forming wheel is referred to as the left-right direction. In addition, the same parts are denoted by the same reference numerals, and the description thereof is omitted.
[0013]
First Embodiment First, a first embodiment of a method for manufacturing a strip product integrally formed with a metal plate according to the present invention will be described with reference to FIGS. 1 to 5.
[0014]
The manufacturing apparatus 100 shown in FIG. 1 and FIG. 2 is used to manufacture a strip product 4 in which a resin rail 1 for moving equipment and a strip-like conductive metal plate 3 for power supply are integrally formed as shown in FIG. A molding wheel 10, a closing unit 20, and a molten resin injection unit 30 are used.
[0015]
The forming wheel 10 is a narrow cylindrical member made of a metal material, and is continuously formed on the outer peripheral surface 12 so that the concave groove 11 having a cross-sectional shape of the product 4 to be manufactured extends over the entire circumference. While being recessed, it is continuously rotated by being driven by a driving means (not shown).
As shown in FIG. 2, the strip-shaped conductive metal plate 3 is wound around the bottom surface 13 of the groove 11 over the rotation center C from the position directly above the illustrated position to the position directly below the illustrated position in the circumferential direction.
[0016]
The closing means 20 includes a total of three pulleys 21, 22, and 23 and a metal endless closing belt 24 wound between these pulleys and the forming wheel 10.
As shown in FIG. 2, the closing belt 24 is wound around the outer peripheral surface 12 of the forming wheel 10 by 180 degrees in the circumferential direction from the position directly above the illustrated position to the position just below the rotation center C of the forming wheel 10. A cavity 14 is formed by closing the concave groove 11 of the molding wheel 10 from the outside in the radial direction.
The cavity 14 has a start opening 15 at a position directly above the rotation center C of the forming wheel 10 and a terminal opening 16 at a position directly below the rotation center C in the drawing, and extends 180 degrees in the circumferential direction.
[0017]
The molten resin injecting means 30 is for injecting a heated and melted electrically insulating resin material such as polyamide into the cavity 14, and as shown in an enlarged view in FIG. It has an inlet 31 facing it.
[0018]
When the strip product 4 is continuously manufactured using the manufacturing apparatus 100 described above, the forming wheel 10 is driven and rotated counterclockwise as shown in FIG.
Then, as indicated by an arrow A in FIGS. 1 and 2, the strip-shaped conductive metal plate 3 wound around the bottom surface 13 of the concave groove 11 of the forming wheel 10 is continuously supplied into the cavity 14 from the start end opening 15. The
As shown in FIG. 4, in the opening 15 at the start end 15 of the cavity 14, the strip-shaped conductive metal plate 3 is brought into close contact with the bottom surface 13 of the groove 11 and is accurately positioned in the groove 11.
[0019]
Next, when the molten resin is injected into the cavity 14 from the injection port 31 of the molten resin injection means 30 while rotating the molding wheel 10, the molten resin injected into the cavity 14 opens at the end as the molding wheel 10 rotates. As shown in FIG. 5, the strip product 4 in which the resin portion 1 and the strip-shaped conductive metal plate 3 are integrally formed is completed.
Thereby, as shown by the arrow B in FIG. 1 and FIG. 2, the strip product 4 can be continuously taken out with the rotation of the forming wheel 10.
[0020]
That is, the manufacturing method of the strip product in the first embodiment continuously feeds the strip-shaped conductive metal plate 3 and the molten resin from the start end opening 15 of the cavity 14 while continuously rotating the forming wheel 10, and the terminal end. Since the molten resin is cooled and solidified until reaching the opening 16 and integrated with the strip-shaped conductive metal plate 3 and continuously taken out from the terminal opening 16, the strip product 4 having a length of several tens of meters can be obtained. It can be manufactured continuously.
[0021]
At this time, since the strip-shaped conductive metal plate 3 is wound around the molding wheel 10 so as to be in close contact with the bottom surface 13 of the concave groove 11 of the molding wheel 10, the strip-shaped conductive metal plate 3 is interposed between the strip-shaped conductive metal plate 3 and the bottom surface 13 of the concave groove 11. Molten resin does not enter.
Thereby, the strip | belt-shaped electroconductive metal plate 3 can be exposed over the whole longitudinal direction of the strip product 4, as shown in FIG.
[0022]
Second Embodiment In the first embodiment described above, a strip product 4 in which one strip of conductive metal plate 3 extends is manufactured.
On the other hand, in the second embodiment, a pair of left and right concave grooves 11 are provided in the outer peripheral surface 12 of the molding wheel 10 with a gap in the left-right direction, and these concave grooves 11 are closed by the closing means 20. A pair of left and right cavities 14 are formed by closing with a belt 24.
Then, if the strip-shaped conductive metal plate 3 and the molten resin are respectively put into the cavities 14, the strip product 40 in which the pair of left and right strip-shaped conductive metal plates 42, 43 are exposed on the resin portion 41 as shown in FIG. Can be produced continuously.
[0023]
Third Embodiment In the first and second embodiments described above, strip products 4 and 40 in which the strip-shaped conductive metal plate 3 is continuously exposed in the longitudinal direction are manufactured.
On the other hand, in the third embodiment, as shown in FIG. 7, a plurality of disc-shaped protrusions 17 are provided at equal intervals in the circumferential direction on the bottom surface 13 of the groove 11 of the forming wheel 10. The band-shaped conductive metal plate 52 is wound around the surface of the projecting portion 17.
As a result, as shown in FIG. 8, the strip-shaped conductive metal plate 52 integrally molded with the resin portion 51 continuously exposes the strip product 50 exposed inside the circular holes 53 arranged at equal intervals in the longitudinal direction. Can be manufactured.
[0024]
As mentioned above, although each embodiment of the manufacturing method of the strip product which integrally formed the metal plate concerning the present invention was described in detail, the present invention is not limited by the embodiment mentioned above, and various changes are possible. Needless to say.
For example, in the above-described embodiment, a strip product in which a resin portion and a strip-shaped metal plate are integrally formed has been described as an example. However, the present invention can be applied to manufacture of a strip product in which a rubber portion and a strip-shaped metal plate are integrally molded. Needless to say.
[0025]
【The invention's effect】
As is apparent from the above description, the method for manufacturing a strip product integrally formed with a metal plate according to the present invention is a method in which a concave groove formed in the outer peripheral surface of a rotating forming wheel is closed using a closing member. Is continuously formed, and a band-shaped metal plate and a molten polymer material are introduced from the opening at the beginning of the cavity, and the polymer material is cooled and solidified as the forming wheel rotates to be integrated with the band-shaped metal plate. After that, the strip product is taken out from the terminal opening of the cavity, so that it is possible to continuously manufacture a strip product in which the polymer material portion and the strip-shaped metal plate are integrally formed so as to extend in parallel and in the longitudinal direction. .
Moreover, the strip | belt products which a strip | belt-shaped metal plate exposes on the surface can be continuously manufactured by sticking a strip | belt-shaped metal plate to the bottom face of the ditch | groove provided in the shaping | molding wheel. Furthermore, while projecting a plurality of protrusions at intervals in the circumferential direction on the bottom surface of the concave groove provided in the forming wheel, the belt-like metal plate is brought into close contact with the surface of these protrusions in the longitudinal direction. A strip product in which the strip-shaped metal plate is intermittently exposed can be continuously produced.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an exploded state of an apparatus used for manufacturing a strip product integrally formed with a metal plate.
FIG. 2 is a side view showing the assembled state of the apparatus shown in FIG.
FIG. 3 is an enlarged view of a main part of FIG. 2;
4 is a cross-sectional view taken along the IV-IV break line shown in FIG. 2;
FIG. 5 is a cross-sectional view taken along the line VV shown in FIG. 2;
FIG. 6 is a perspective view showing a strip product according to a second embodiment.
FIG. 7 is a cross-sectional view similar to FIG. 5 when manufacturing a strip product of the third embodiment.
FIG. 8 is a perspective view showing a strip product according to a third embodiment.
FIG. 9 is a perspective view schematically showing a state in which a resin strip product is extruded using a die.
FIG. 10 is a perspective view showing an example of a strip product integrally formed with a metal plate.
[Explanation of symbols]
1 Resin rail (resin part)
2 Base 3 Strip-shaped conductive metal plate 4 Strip product 10 of the first embodiment Forming wheel 11 Concave groove 12 Outer peripheral surface 13 Concave groove bottom surface 14 Cavity 15 Starting end opening 16 Ending opening 17 Protruding part 20 Closing means 21, 22, 23 Pulley 24 Closing belt 30 Molten resin injection means 31 Injection port 40 Strip product 41 of the second embodiment Resin portions 42, 43 Strip-shaped conductive metal plate 50 Strip product 51 of the third embodiment Resin portion 52 Strip-shaped conductive metal plate 53 Round hole 100 strip product Manufacturing equipment

Claims (5)

高分子材料部分と帯状金属板とを互いに平行にかつ長手方向に連続して延びるように一体成形した条製品を連続的に製造する方法であって、
前記条製品の断面形状を有する凹溝が円周方向に延びるようにその外周面に連続的に凹設された成形ホイールを回転させるとともに、
前記円周方向に連続的に供給される閉鎖部材を前記成形ホイールの外周面の一部に巻き付けることにより前記凹溝の一部を閉鎖して始端開口および終端開口を有するキャビティを形成し、
前記円周方向に連続的に供給される前記帯状金属板を前記始端開口から前記キャビティ内に挿入して前記凹溝内で前記成形ホイールに巻き付け、
溶融させた高分子材料を前記始端開口から前記キャビティ内に連続的に注入しつつ前記キャビティ内で冷却固化させて前記帯状金属板と一体化させた後に前記帯状金属板と共に前記終端開口から前記キャビティ外に取り出す、
ことを特徴とする金属板を一体成形した条製品の製造方法。A method of continuously producing a strip product in which a polymer material portion and a strip-shaped metal plate are integrally formed so as to extend in parallel and in the longitudinal direction,
While rotating the forming wheel continuously recessed in the outer peripheral surface so that the groove having the cross-sectional shape of the strip product extends in the circumferential direction,
Wrapping a closing member continuously supplied in the circumferential direction around a part of the outer peripheral surface of the forming wheel to close a part of the concave groove to form a cavity having a start end opening and a terminal end opening;
Inserting the strip-shaped metal plate continuously supplied in the circumferential direction into the cavity from the opening of the starting end, and winding it around the forming wheel in the concave groove,
A molten polymer material is continuously injected into the cavity from the opening at the start end, and is cooled and solidified in the cavity to be integrated with the band metal plate, and then the cavity is formed from the terminal opening together with the band metal plate. Take it out,
A method for producing a strip product integrally formed with a metal plate. 前記帯状金属板を導電性の帯状金属板とすることを特徴とする請求項１に記載の金属板を一体成形した条製品の製造方法。The method for manufacturing a strip product integrally formed with the metal plate according to claim 1, wherein the strip metal plate is a conductive strip metal plate. 前記帯状金属板を前記凹溝の底面に巻き付けることを特徴とする請求項１または２に記載の金属板を一体成形した条製品の製造方法。The method for manufacturing a strip product integrally formed with the metal plate according to claim 1, wherein the strip-shaped metal plate is wound around the bottom surface of the concave groove. 前記凹溝の底面に前記円周方向に間隔を開けて突設した複数の突出部の表面に前記帯状金属板の表面が当接するように、前記帯状金属板を前記成形ホイールに巻き付ける、ことを特徴とする請求項１乃至３のいずれかに記載の金属板を一体成形した条製品の製造方法。Winding the belt-shaped metal plate around the forming wheel so that the surface of the strip-shaped metal plate is in contact with the surfaces of a plurality of projecting portions protruding at intervals in the circumferential direction on the bottom surface of the groove. A method for producing a strip product integrally formed with the metal plate according to any one of claims 1 to 3. 複数の前記凹溝を前記成形ホイールの軸線方向に並べて前記外周面に凹設するとともに、各複数の凹溝内に前記帯状金属板をそれぞれ個別に供給する、ことを特徴とする請求項１乃至４のいずれかに記載の金属板を一体成形した条製品の製造方法。The plurality of concave grooves are arranged in the axial direction of the forming wheel so as to be recessed in the outer peripheral surface, and the band-shaped metal plate is individually supplied into each of the plurality of concave grooves. A method for producing a strip product in which the metal plate according to any one of 4 is integrally formed.
JP2000194358A 2000-06-28 2000-06-28 Manufacturing method of strip product integrally formed with metal plate Expired - Fee Related JP4219536B2 (en)

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