JP2016097531A - Plate-shaped composite member and method for manufacturing plate-shaped composite member - Google Patents

Plate-shaped composite member and method for manufacturing plate-shaped composite member Download PDF

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JP2016097531A
JP2016097531A JP2014235088A JP2014235088A JP2016097531A JP 2016097531 A JP2016097531 A JP 2016097531A JP 2014235088 A JP2014235088 A JP 2014235088A JP 2014235088 A JP2014235088 A JP 2014235088A JP 2016097531 A JP2016097531 A JP 2016097531A
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metal plate
hole
composite member
plate portion
opening
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JP6212469B2 (en
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有範 柳谷
Arinori Yanagiya
有範 柳谷
秀彰 酒井
Hideaki Sakai
秀彰 酒井
邦弘 岩田
Kunihiro Iwata
邦弘 岩田
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Toyoda Iron Works Co Ltd
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Toyoda Iron Works Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a plate-shaped composite member including a metal plate and a resin layer stuck onto its one surface, and a method for manufacturing a plate-shaped composite member.SOLUTION: A metal plate 12 includes a first metal plate part 14 formed with a first through hole 16, and a second metal plate part 20 bent from an end part of the first metal plate part 14 to the opposite side of a resin layer 24 side to be superposed on the first metal plate part 14 in a tight contact state and formed with a second through hole 18 communicating with the first through hole 16. In the first through hole 16 and the second through hole 18, a resin layer 24 is insert-molded together with a resin. An opening edge on the first metal plate 14 side of the second through hole 18 is located outside of an opening edge of the second plate metal part 20 side of the first through hole 16. Consequently, the resin layer 24 is hardly peeled off from the first metal plate part 14 to improve fixing strength and adhesion strength of the plate-shaped composite member 10.SELECTED DRAWING: Figure 2

Description

本発明は、金属板と金属板の一面に固着された樹脂層とを備える板状複合部体に関し、とりわけ金属板と樹脂層との固定強度および密着強度を向上させる技術に関する。   The present invention relates to a plate-like composite body including a metal plate and a resin layer fixed to one surface of the metal plate, and more particularly to a technique for improving the fixing strength and adhesion strength between the metal plate and the resin layer.

金属板と金属板の一面に固着された樹脂層とを備える板状複合部材において、金属板と樹脂層とを密着、固定させるための様々な方法が提案されている。たとえば特許文献1の金属板と樹脂層とがインサート成形により一体とされた板状複合部材がそれである。   In a plate-like composite member including a metal plate and a resin layer fixed to one surface of the metal plate, various methods for closely attaching and fixing the metal plate and the resin layer have been proposed. For example, it is a plate-like composite member in which a metal plate and a resin layer of Patent Document 1 are integrated by insert molding.

特許文献1では、その図7に示されるように、第1の成形型の凹部により成形される樹脂が固定される側である面に設けられた開口の開口径が小さく、第2の成形型に対向する側の面に設けられた開口の開口径が大きくなるように円錐形状に形成された樹脂注入穴としての貫通穴を備えた金属板に、第2の成形型の金属板に対向する面から突設され、突設面と樹脂射出源とを連通する樹脂射出穴を内部に有する凸部が、上記貫通穴の金属板の半分ほどの厚さだけ挿入されつつ第1の成形型が設置され、第2の成形型の金属板との対向面からの吸引により金属板が第2の成形型に密着されつつ、上記樹脂射出穴を通じて樹脂が射出される、金属板と樹脂層とがインサート成形により一体とされた板状複合部材の製造方法が提案されている。このインサート成形により成形される板状複合部材においては、特許文献1の図5に示されるように、第1の成形型の凹部により形成される樹脂層と上記金属板とが、金属板の貫通穴の上記凸部が挿入されていない側の円錐形状の空間により形成された円錐状樹脂部により抜け止めされている。   In Patent Document 1, as shown in FIG. 7, the opening diameter of the opening provided on the surface to which the resin molded by the concave portion of the first molding die is fixed is small, and the second molding die The metal plate provided with a through hole as a resin injection hole formed in a conical shape so that the opening diameter of the opening provided on the surface on the opposite side becomes larger is opposed to the metal plate of the second molding die. The first molding die is protruded from the surface, and the convex portion having a resin injection hole which communicates the protruding surface and the resin injection source is inserted by a thickness of about half of the metal plate of the through hole. The metal plate and the resin layer are installed and the resin is injected through the resin injection hole while the metal plate is in close contact with the second mold by suction from the surface facing the metal plate of the second mold. A method of manufacturing a plate-like composite member integrated by insert molding has been proposed. In the plate-like composite member formed by this insert molding, as shown in FIG. 5 of Patent Document 1, the resin layer formed by the concave portion of the first mold and the metal plate penetrate the metal plate. The hole is prevented by a conical resin portion formed by a conical space on the side where the convex portion is not inserted.

特開2010−718号公報JP 2010-718

しかし、特許文献1のような従来の金属板と金属板の一面に固着された樹脂層とを備える板状複合部材によれば、金属板と樹脂層とが金属板の貫通穴に形成された金属板の半分ほどの厚さの円錐状樹脂部により固定されているのみであり、金属板と樹脂層との固定強度および密着強度が弱い可能性があるという問題があった。   However, according to the plate-like composite member including the conventional metal plate and the resin layer fixed to one surface of the metal plate as in Patent Document 1, the metal plate and the resin layer are formed in the through hole of the metal plate. There is a problem that the fixing strength and the adhesion strength between the metal plate and the resin layer may be weak because they are only fixed by a conical resin portion having a thickness about half that of the metal plate.

本発明は、以上の事情を背景として為されたものであり、その目的とするところは、固定強度および密着強度が向上された金属板と金属板の一面に固着された樹脂層とを備える板状複合部材およびその板状複合部材の製造方法を提供することにある。   The present invention has been made against the background of the above circumstances, and its object is to provide a plate comprising a metal plate with improved fixing strength and adhesion strength, and a resin layer fixed to one surface of the metal plate. It is providing the manufacturing method of a plate-shaped composite member and its plate-shaped composite member.

すなわち、第1発明の要旨とするところは、金属板と、該金属板の一面に固着された樹脂層とを備える板状複合部材であって、前記金属板は、第1貫通穴が形成された第1金属板部と、該第1金属板部の端部から前記樹脂層側とは反対側へ折り曲げられて該第1金属板部に密接状態で重ねられ、前記第1貫通穴に連通する第2貫通穴が形成された第2金属板部とを有し、前記第1貫通穴および第2貫通穴内には、前記樹脂層と共に樹脂がインサート成形され、前記第2貫通穴の前記第1金属板部側の開口縁または前記第1金属板部側とは反対側の開口縁の少なくとも一部は、前記第1貫通穴の前記第2金属板部側の開口縁の外側に位置していることにある。   That is, the gist of the first invention is a plate-like composite member comprising a metal plate and a resin layer fixed to one surface of the metal plate, wherein the metal plate has a first through hole formed therein. The first metal plate portion is bent from the end portion of the first metal plate portion to the side opposite to the resin layer side and is closely stacked on the first metal plate portion, and communicates with the first through hole. A second metal plate portion having a second through hole formed therein, and in the first through hole and the second through hole, resin is insert-molded together with the resin layer, and the second through hole has the second through hole. At least a part of the opening edge on the one metal plate part side or the opening edge on the opposite side to the first metal plate part side is positioned outside the opening edge on the second metal plate part side of the first through hole. There is in being.

第1発明の金属板と該金属板の一面に固着された樹脂層とを備える板状複合部材によれば、前記金属板は、第1貫通穴が形成された第1金属板部と、該第1金属板部の端部から前記樹脂層側とは反対側へ折り曲げられて該第1金属板部に密接状態で重ねられ、前記第1貫通穴に連通する第2貫通穴が形成された第2金属板部とを有し、前記第1貫通穴および第2貫通穴内には、前記樹脂層と共に樹脂がインサート成形され、前記第2貫通穴の前記第1金属板部側の開口縁または前記第1金属板部側とは反対側の開口縁の少なくとも一部は、前記第1貫通穴の前記第2金属板部側の開口縁の外側に位置している。このため、第1貫通穴内および第2貫通穴内にインサート成形された樹脂により樹脂層が第1金属板部から剥がれにくいため、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の固定強度および密着強度が向上される。   According to the plate-like composite member comprising the metal plate of the first invention and the resin layer fixed to one surface of the metal plate, the metal plate includes a first metal plate portion in which a first through hole is formed, A second through hole is formed which is bent from the end of the first metal plate portion to the side opposite to the resin layer side and is closely overlapped with the first metal plate portion to communicate with the first through hole. A resin is insert-molded together with the resin layer in the first through hole and the second through hole, and an opening edge of the second through hole on the first metal plate part side or At least a part of the opening edge on the side opposite to the first metal plate part side is located outside the opening edge on the second metal plate part side of the first through hole. For this reason, since the resin layer is not easily peeled off from the first metal plate portion by the resin insert-molded in the first through hole and the second through hole, a plate-like shape including a metal plate and a resin layer fixed to one surface of the metal plate The fixing strength and adhesion strength of the composite member are improved.

ここで、好適には、前記第2貫通穴の前記第1金属板部側の開口面積は、前記第1貫通穴の前記第2金属板部側の開口面積よりも大きい。このようにすれば、金属板の第1金属板部と第2金属板部との重ね合わせ面において第1貫通穴および第2貫通穴にインサート成形された樹脂に生じる段差により樹脂層が第1金属板部から抜け止めされて、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の固定強度および密着強度がより向上される。   Here, preferably, the opening area of the second through hole on the first metal plate portion side is larger than the opening area of the first through hole on the second metal plate portion side. If it does in this way, a resin layer will be 1st by the level | step difference which arises in the resin insert-molded by the 1st through-hole and the 2nd through-hole in the overlapping surface of the 1st metal plate part and 2nd metal plate part of a metal plate. The fixing strength and adhesion strength of the plate-like composite member that is prevented from coming off from the metal plate portion and includes the metal plate and the resin layer fixed to one surface of the metal plate are further improved.

また、好適には、前記第2貫通穴の前記第1金属板部側の開口の中心は、前記第1貫通穴の前記第2金属板部側の開口の中心からずれている。このようにすれば、金属板の第1金属板部と第2金属板部との重ね合わせ面において第1貫通穴および第2貫通穴にインサート成形された樹脂に生じる段差により樹脂層が第1金属板部から抜け止めされて、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の固定強度および密着強度がより向上される。   Preferably, the center of the opening of the second through hole on the first metal plate portion side is deviated from the center of the opening of the first through hole on the second metal plate portion side. If it does in this way, a resin layer will be 1st by the level | step difference which arises in the resin insert-molded by the 1st through-hole and the 2nd through-hole in the overlapping surface of the 1st metal plate part and 2nd metal plate part of a metal plate. The fixing strength and adhesion strength of the plate-like composite member that is prevented from coming off from the metal plate portion and includes the metal plate and the resin layer fixed to one surface of the metal plate are further improved.

また、好適には、前記第2貫通穴は、前記第1金属板部側の開口から離れるにしたがって該開口よりも拡大する。このようすれば、第1金属板部に固着された樹脂層を剥がす方向に作用される力による、第1金属板部と第2金属板部との重ね合わせ面付近における第1貫通穴内および第2貫通穴内にインサート成形された樹脂に作用する応力を分散することができ、上記樹脂の破損を抑制することができることから、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の固定強度および密着強度がより向上される。   Preferably, the second through hole is larger than the opening as it is away from the opening on the first metal plate portion side. If it does in this way, the inside of the 1st penetration hole and the 1st in the vicinity of the overlapping surface of the 1st metal plate part and the 2nd metal plate part by the force applied in the direction which peels the resin layer fixed to the 1st metal plate part 2 Since it is possible to disperse the stress acting on the insert-molded resin in the through-hole and to suppress the damage of the resin, a plate-like shape including a metal plate and a resin layer fixed to one surface of the metal plate The fixing strength and adhesion strength of the composite member are further improved.

また、好適には、前記第1金属板部に形成された第1貫通穴および前記第2金属板部に形成された第2貫通穴の少なくとも一方は、複数である。このようにすれば、第1貫通穴内および第2貫通穴内にインサート成形された樹脂により樹脂層が第1金属板部から剥がれにくいため、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の固定強度および密着強度が向上される。   Preferably, at least one of the first through hole formed in the first metal plate portion and the second through hole formed in the second metal plate portion is plural. In this case, since the resin layer is not easily peeled off from the first metal plate portion by the resin insert-molded in the first through hole and the second through hole, the metal plate and the resin layer fixed to one surface of the metal plate are formed. The fixing strength and adhesion strength of the plate-like composite member provided are improved.

また、好適には、前記第2貫通穴の前記第1金属板部とは反対側の開口面積は、前記第1貫通穴の前記樹脂層側の開口面積よりも大きい。このようにすれば、第1貫通穴内および第2貫通穴内にインサート成形された樹脂により樹脂層が第1金属板部から剥がれにくいため、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の固定強度および密着強度が向上される。   Preferably, the opening area of the second through hole on the side opposite to the first metal plate portion is larger than the opening area of the first through hole on the resin layer side. In this case, since the resin layer is not easily peeled off from the first metal plate portion by the resin insert-molded in the first through hole and the second through hole, the metal plate and the resin layer fixed to one surface of the metal plate are formed. The fixing strength and adhesion strength of the plate-like composite member provided are improved.

また、好適には、前記インサート成形は、前記第2貫通穴の前記第1金属板部側とは反対側の開口を塞ぐ成形型を用いて行なわれたものである。このようにすれば、前記第2貫通穴内にインサート成形された樹脂の第1金属板部側とは反対側の第2貫通穴から露出する表面は、前記第2金属板部の前記第1金属板部とは反対側の表面と面一である。このようにすれば、第2金属板部の表面に凹凸はなく引っかかりがないので、第2金属板部へ外部荷重が作用されることが抑制されることから、樹脂層が第1金属板部から剥がれにくくなり、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の固定強度および密着強度が向上される。   Preferably, the insert molding is performed using a mold that closes the opening of the second through hole on the side opposite to the first metal plate portion side. If it does in this way, the surface exposed from the 2nd through hole on the opposite side to the 1st metal plate part side of the resin insert-molded in the said 2nd through hole is the said 1st metal of the said 2nd metal plate part. It is flush with the surface opposite to the plate portion. In this case, since the surface of the second metal plate portion is not uneven and is not caught, it is possible to suppress the external load from acting on the second metal plate portion, so that the resin layer is the first metal plate portion. It is difficult to peel off from the sheet, and the fixing strength and adhesion strength of the plate-like composite member provided with the metal plate and the resin layer fixed to one surface of the metal plate are improved.

また、第2発明の要旨とするところは、金属板と、該金属板の一面に固着された樹脂層とを備える板状複合部材の製造方法であって、前記金属板に第1貫通穴および第2貫通穴を形成する打ち抜き工程と、前記第2貫通穴の開口縁の少なくとも一部が前記第1貫通穴の開口縁の外側に位置するように、前記金属板を、前記第1貫通穴が形成された第1金属板部と、該第1金属板部の端部から前記樹脂層側とは反対側へ折り曲げられた第2金属板部を該第1金属板部に密接状態で重なるように折り曲げる折り曲げ工程と、前記第1貫通穴および第2貫通穴内に、前記樹脂層と共に樹脂をインサート成形する樹脂成形工程とを、含むことにある。このため、金属板と樹脂層との固着は第1貫通穴および第2貫通穴内に、前記樹脂層と共に樹脂をインサート成形することにより行われるため、金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の生産性を向上させ、設備費を低減することができる。   Moreover, the place made into the summary of 2nd invention is a manufacturing method of the plate-shaped composite member provided with a metal plate and the resin layer fixed to one surface of this metal plate, Comprising: A 1st through-hole and said metal plate are provided. The punching step for forming the second through hole, and the metal plate is placed in the first through hole so that at least a part of the opening edge of the second through hole is located outside the opening edge of the first through hole. The first metal plate portion formed with the second metal plate portion bent from the end portion of the first metal plate portion to the side opposite to the resin layer side overlaps the first metal plate portion in close contact with each other. And a resin molding step in which resin is insert-molded together with the resin layer in the first through hole and the second through hole. For this reason, since fixation with a metal plate and a resin layer is performed by insert-molding resin with the said resin layer in a 1st through-hole and a 2nd through-hole, resin fixed to one side of a metal plate and a metal plate The productivity of the plate-like composite member provided with the layer can be improved, and the equipment cost can be reduced.

金属板と金属板の一面に固着された樹脂層とを備える板状複合部材の金属板の第2金属板部側から見た平面図である。It is the top view seen from the 2nd metal plate part side of the metal plate of a plate-shaped composite member provided with the metal plate and the resin layer fixed to one surface of the metal plate. 図1の板状複合部材のII−II視断面図である。It is II-II sectional view taken on the plate-shaped composite member of FIG. 図1の板状複合部材の製造工程を説明する工程図である。It is process drawing explaining the manufacturing process of the plate-shaped composite member of FIG. 他の実施例の板状複合部材の金属板の第2金属板部側から見た平面図である。It is the top view seen from the 2nd metal plate part side of the metal plate of the plate-shaped composite member of another Example. 図4の板状複合部材のV-V視断面図である。FIG. 5 is a VV sectional view of the plate-like composite member of FIG. 4. 他の実施例の板状複合部材の金属板の第2金属板部側から見た平面図である。It is the top view seen from the 2nd metal plate part side of the metal plate of the plate-shaped composite member of another Example. 図6の板状複合部材のVII-VII視断面図である。FIG. 7 is a sectional view taken along the line VII-VII of the plate-shaped composite member of FIG. 6. 他の実施例の板状複合部材の金属板の第2金属板部側から見た平面図である。It is the top view seen from the 2nd metal plate part side of the metal plate of the plate-shaped composite member of another Example. 図8の板状複合部材のIX-IX視断面図である。It is IX-IX sectional drawing of the plate-shaped composite member of FIG. 他の実施例の板状複合部材の金属板の第2金属板部側から見た平面図である。It is the top view seen from the 2nd metal plate part side of the metal plate of the plate-shaped composite member of another Example. 図10の板状複合部材のA-A視断面図である。It is AA sectional view taken on the line of the plate-shaped composite member of FIG. 他の実施例の板状複合部材の金属板の第2金属板部側から見た平面図である。It is the top view seen from the 2nd metal plate part side of the metal plate of the plate-shaped composite member of another Example. 図12の板状複合部材のB-B視断面図である。FIG. 13 is a cross-sectional view of the plate-like composite member of FIG. 12 taken along the line BB. 他の実施例の板状複合部材の金属板の第2金属板部側から見た平面図である。It is the top view seen from the 2nd metal plate part side of the metal plate of the plate-shaped composite member of another Example. 図14の板状複合部材のC-C視断面図である。It is CC sectional view taken on the line of the plate-shaped composite member of FIG.

以下、本発明の板状複合部材および板状複合部材の製造方法の一実施例について図面を参照して詳細に説明する。   Hereinafter, an embodiment of a plate-like composite member and a method for producing a plate-like composite member of the present invention will be described in detail with reference to the drawings.

図1は、板状複合部材10の金属板12の第2金属板部20から見た平面図である。図2は、板状複合部材10のII−II視断面図である。板状複合部材10は、長方形状且つ平板状の金属材料たとえば鋼板、アルミニウム板、銅板などにおいて第1貫通穴16が形成された第1金属板部14と、第1金属板部14の端部からヘミング加工を用いて折り曲げられて第1金属板部14に密接状態で重ねられ、第1貫通穴16に連通する第2貫通穴18が形成された第2金属板部20とを備えた金属板12と、第2金属板部20の第1金属板部14とは反対側の一面に固着され、エポキシ樹脂、フェノール樹脂などの熱硬化性樹脂、或いは塩化ビニール樹脂、ナイロン樹脂などの熱可塑性樹脂から成る樹脂層24と、第2貫通穴18の第1金属板部14側とは反対側の開口を塞ぐ成形金型を用いて樹脂層24とともに第1貫通穴16内および第2貫通穴18内にインサート成形され、金属板12と樹脂層24とを結合させる結合樹脂部26とから構成される。第1貫通穴16および第2貫通穴18は、円柱状に且つ第2貫通穴18が第1貫通穴16よりも大径に厚み方向に打ち抜かれて形成されており、第1貫通穴16の中心と第2貫通穴18の中心とが一致するように形成されている。これにより、第2貫通穴18の第1金属板部14側の開口縁は、第1貫通穴16の第2金属板部20側の開口縁の外側に位置されるとともに、第2貫通穴18の第1金属板部14側の開口面積は、第1貫通穴16の第2金属板部20側の開口面積よりも大きく、第2貫通穴18の第1金属板部14側とは反対側の開口面積は、第1貫通穴16の樹脂層24側の開口面積よりも大きくされている。第1貫通穴16内および第2貫通穴18内に満たされた未硬化の樹脂が硬化されて樹脂層24と一体に形成された結合樹脂部26は、第2貫通穴18の第1金属板部14側の開口に面する第1金属板部14の表面に固着される、第2貫通穴18内の外周側にフランジ部28を備え、第1貫通穴16の第2金属板部20側の開口と第2貫通穴18の第1金属板部14側の開口との重ね合わせ面上において、段差が形成されている。また、インサート成形時において、成形金型により塞がれた第2貫通穴18の第1金属板部14とは反対側に露出する結合樹脂部26の表面は、第2金属板部20の第1金属板部14とは反対側の表面に面一とされている。このように構成された板状複合部材10は、たとえば、車両のドアパネル、電力伝送用のバスバーなどに好適に用いることができる。   FIG. 1 is a plan view seen from the second metal plate portion 20 of the metal plate 12 of the plate-like composite member 10. FIG. 2 is a cross-sectional view of the plate-like composite member 10 taken along the line II-II. The plate-shaped composite member 10 includes a first metal plate portion 14 in which a first through hole 16 is formed in a rectangular and flat metal material such as a steel plate, an aluminum plate, a copper plate, and an end portion of the first metal plate portion 14. And a second metal plate portion 20 that is bent using hemming and overlapped with the first metal plate portion 14 in close contact with each other and formed with a second through hole 18 communicating with the first through hole 16. The plate 12 is fixed to one surface of the second metal plate portion 20 opposite to the first metal plate portion 14, and is thermosetting resin such as epoxy resin or phenol resin, or thermoplastic such as vinyl chloride resin or nylon resin. The resin layer 24 made of resin and the resin layer 24 together with the resin layer 24 and the second through hole are formed using a molding die that closes the opening of the second through hole 18 opposite to the first metal plate portion 14 side. 18 insert molded into gold Composed of the plate 12 and the resin layer 24 and the coupling resin portion 26 for coupling the. The first through hole 16 and the second through hole 18 are formed in a columnar shape and the second through hole 18 is punched in the thickness direction to have a larger diameter than the first through hole 16. The center is formed so that the center of the second through hole 18 coincides. Thus, the opening edge of the second through hole 18 on the first metal plate part 14 side is positioned outside the opening edge of the first through hole 16 on the second metal plate part 20 side, and the second through hole 18. The opening area of the first metal plate portion 14 side is larger than the opening area of the first through hole 16 on the second metal plate portion 20 side, and is opposite to the first metal plate portion 14 side of the second through hole 18. The opening area of the first through hole 16 is larger than the opening area of the first through hole 16 on the resin layer 24 side. The uncured resin filled in the first through-hole 16 and the second through-hole 18 is hardened and the bonded resin portion 26 formed integrally with the resin layer 24 is the first metal plate of the second through-hole 18. A flange portion 28 is provided on the outer peripheral side in the second through hole 18 fixed to the surface of the first metal plate portion 14 facing the opening on the portion 14 side, and the second metal plate portion 20 side of the first through hole 16 is provided. A step is formed on the overlapping surface of the opening and the opening of the second through hole 18 on the first metal plate portion 14 side. Further, at the time of insert molding, the surface of the bonding resin portion 26 exposed on the side opposite to the first metal plate portion 14 of the second through hole 18 closed by the molding die is the second metal plate portion 20 surface. It is flush with the surface opposite to the one metal plate portion 14. The plate-like composite member 10 configured as described above can be suitably used for, for example, a vehicle door panel, a power transmission bus bar, and the like.

次に、板状複合部材10の製造工程の一例を図3を用いて詳細に説明する。第1工程としての打ち抜き工程では、長手状且つ平板状の金属部材30に第1貫通穴16および第2貫通穴18が形成される。具体的には、後述する第2工程において第2金属板部20とされる部分に相当する金属部材30の長手状の一端部側に円柱状の第2貫通穴18が、第1金属板部14とされる部分に相当する金属部材30の長手状の中央部付近に第2貫通穴18よりも小径の第1貫通穴16が、それぞれ設けられる。第2工程としての折り曲げ工程においては、第1工程において形成された第1貫通穴16と第2貫通穴18とがその開口の中心が同一とされ、第2貫通穴18の開口縁が第1貫通穴16の開口縁の外側となるように、第2貫通穴18が形成された第2金属板部20がその端部において、第1貫通穴16が形成された第1金属板部14の後述する第3工程において樹脂層24がインサート成形される側とは反対側にヘミング加工により第1金属板部14に密接状態で重ねられるように折り曲げられて金属板12が形成される。第3工程としての樹脂成形工程では、金属板12の第1貫通穴16および第2貫通穴18内に樹脂層24と共に樹脂がインサート成形されて板状複合部材10が形成される。先ず、樹脂層24が形成されるための矩形平板状のキャビティー(空間)である凹部と、未硬化の樹脂が射出される樹脂射出孔とを有する第1成形金型が第2工程で形成された第1金属板部14の表面に凹部が対向するように設置されるとともに、平板状の表面を有する第2成形金型が、第2金属板部20の第1金属板部14とは反対側の表面に対して第2成形金型の平板状の表面が密着されるように設置される。次に、第1成形金型の樹脂射出孔から樹脂が上記凹部と第1金属板部14の第2金属板部20とは反対側の表面とで形成される空間およびそれに連通する第1貫通穴16および第2貫通穴18へ射出される。樹脂の硬化後に、第1成形金型と第2成形金型とから金属板12が取り外されて、上記凹部と第1金属板部14の表面とにより形成され、板状複合部材10が得られる。   Next, an example of the manufacturing process of the plate-like composite member 10 will be described in detail with reference to FIG. In the punching process as the first process, the first through hole 16 and the second through hole 18 are formed in the long and flat metal member 30. Specifically, the columnar second through hole 18 is formed on the side of the longitudinal end portion of the metal member 30 corresponding to the portion to be the second metal plate portion 20 in the second step described later. The first through holes 16 having a diameter smaller than that of the second through holes 18 are provided in the vicinity of the longitudinal center portion of the metal member 30 corresponding to the portion 14. In the bending step as the second step, the center of the opening of the first through hole 16 and the second through hole 18 formed in the first step is the same, and the opening edge of the second through hole 18 is the first. The second metal plate part 20 in which the second through hole 18 is formed so that the second metal plate part 20 in which the second through hole 18 is formed at the end of the first metal plate part 14 in which the first through hole 16 is formed so as to be outside the opening edge of the through hole 16. In a third step, which will be described later, the metal layer 12 is formed by being folded so that the resin layer 24 is in close contact with the first metal plate portion 14 by hemming on the side opposite to the side on which insert molding is performed. In the resin molding step as the third step, the resin is insert-molded together with the resin layer 24 in the first through hole 16 and the second through hole 18 of the metal plate 12 to form the plate-shaped composite member 10. First, a first mold having a concave portion, which is a rectangular flat cavity for forming the resin layer 24, and a resin injection hole through which uncured resin is injected is formed in the second step. The first metal plate portion 14 of the second metal plate portion 20 is a second molding die that is installed so that the recess faces the surface of the formed first metal plate portion 14 and has a flat surface. It is installed so that the flat surface of the second molding die is in close contact with the opposite surface. Next, a space in which the resin is formed by the concave portion and the surface of the first metal plate portion 14 opposite to the second metal plate portion 20 from the resin injection hole of the first molding die, and a first penetration communicating therewith It is injected into the hole 16 and the second through hole 18. After the resin is cured, the metal plate 12 is removed from the first molding die and the second molding die, and is formed by the concave portion and the surface of the first metal plate portion 14 to obtain the plate-like composite member 10. .

上述のように、本実施例の板状複合部材10によれば、第2貫通穴18の第1金属板部14側の開口縁または第1金属板部14側とは反対側の開口縁の少なくとも一部は、第1貫通穴16の第2金属板部20側の開口縁の外側に位置しているため、第1貫通穴16内および第2貫通穴18内にインサート成形された結合樹脂部26には、そのフランジ部28において段差が形成されることから、樹脂層24が第1金属板部14から剥がれにくいため、金属板12と金属板12の一面に固着された樹脂層24とを備える板状複合部材10の固定強度および密着強度が向上される。   As described above, according to the plate-shaped composite member 10 of the present embodiment, the opening edge on the first metal plate portion 14 side of the second through hole 18 or the opening edge on the opposite side to the first metal plate portion 14 side. Since at least a part is located outside the opening edge of the first through hole 16 on the second metal plate portion 20 side, the bonding resin is insert-molded in the first through hole 16 and the second through hole 18. Since the step 26 is formed at the flange portion 28 in the portion 26, the resin layer 24 is not easily peeled off from the first metal plate portion 14, so that the metal layer 12 and the resin layer 24 fixed to one surface of the metal plate 12 The fixing strength and adhesion strength of the plate-like composite member 10 having the above are improved.

また、本実施例の板状複合部材10によれば、第2貫通穴18の第1金属板部14側の開口面積は、第1貫通穴16の第2金属板部20側の開口面積よりも大きい。このため、第1貫通穴16および第2貫通穴18にインサート成形された結合樹脂部26に生じる段差により樹脂層24が第1金属板部14から抜け止めされて、金属板12と金属板12の一面に固着された樹脂層24とを備える板状複合部材10の固定強度および密着強度がより向上される。   Further, according to the plate-like composite member 10 of the present embodiment, the opening area of the second through hole 18 on the first metal plate part 14 side is larger than the opening area of the first through hole 16 on the second metal plate part 20 side. Is also big. For this reason, the resin layer 24 is prevented from coming off from the first metal plate portion 14 by the step generated in the bonding resin portion 26 that is insert-molded in the first through hole 16 and the second through hole 18, so that the metal plate 12 and the metal plate 12. The fixing strength and the adhesion strength of the plate-like composite member 10 including the resin layer 24 fixed to one surface are further improved.

また、本実施例の板状複合部材10によれば、第2貫通穴18の第1金属板部14とは反対側の開口面積は、第1貫通穴16の樹脂層24側の開口面積よりも大きい。このため、第1貫通穴16内および第2貫通穴18内にインサート成形された結合樹脂部26は第2貫通穴18から抜け難く樹脂層24が第1金属板部14から剥がれにくいため、金属板12と金属板12の一面に固着された樹脂層24とを備える板状複合部材10の固定強度および密着強度が向上される。   Moreover, according to the plate-shaped composite member 10 of the present embodiment, the opening area of the second through hole 18 on the side opposite to the first metal plate portion 14 is larger than the opening area of the first through hole 16 on the resin layer 24 side. Is also big. For this reason, the bonding resin portion 26 insert-molded in the first through hole 16 and the second through hole 18 is difficult to come out of the second through hole 18, and the resin layer 24 is difficult to peel off from the first metal plate portion 14. Fixing strength and adhesion strength of the plate-like composite member 10 including the plate 12 and the resin layer 24 fixed to one surface of the metal plate 12 are improved.

また、本実施例の板状複合部材10によれば、インサート成形は、第2貫通穴18の第1金属板部14側とは反対側の開口を塞ぐ第2成形金型を用いて行なわれたものである。このため、第2貫通穴18内にインサート成形された結合樹脂部26の第1金属板部14側とは反対側の第2貫通穴18から露出する表面は、第2金属板部20の第1金属板部14とは反対側の表面と面一である。このため、第2金属板部20の表面に凹凸はなく引っかかりがないので、金属板12へ外部荷重が作用されることが抑制されることから、樹脂層24が第1金属板部14から剥がれにくくなり、金属板12と金属板12の一面に固着された樹脂層24とを備える板状複合部材10の固定強度および密着強度が向上される。   Moreover, according to the plate-shaped composite member 10 of the present embodiment, the insert molding is performed using the second molding die that closes the opening of the second through hole 18 on the side opposite to the first metal plate portion 14 side. It is a thing. For this reason, the surface exposed from the second through hole 18 on the side opposite to the first metal plate portion 14 side of the bonding resin portion 26 insert-molded in the second through hole 18 is the second metal plate portion 20. It is flush with the surface opposite to the one metal plate portion 14. For this reason, since the surface of the second metal plate part 20 is not uneven and is not caught, the external load is suppressed from acting on the metal plate 12, so that the resin layer 24 is peeled off from the first metal plate part 14. It becomes difficult, and the fixing strength and adhesion strength of the plate-shaped composite member 10 including the metal plate 12 and the resin layer 24 fixed to one surface of the metal plate 12 are improved.

また、本実施例の板状複合部材10の製造方法によれば、金属板12を構成する金属部材30に円柱状の第1貫通穴16および第1貫通穴16よりも大径の第2貫通穴18を形成する打ち抜き工程と、第2貫通穴18の開口縁が第1貫通穴16の開口縁の外側に位置するように、金属部材30を、第1金属板部14の端部から樹脂層24側とは反対側へ折り曲げられた第2金属板部20を第1貫通穴16が形成された該第1金属板部14に密接状態で重なるように折り曲げて、金属板12を構成する折り曲げ工程と、第1貫通穴16および第2貫通穴18内に、樹脂層24と共に金属板12と樹脂層24とを接合させる結合樹脂部26をインサート成形する樹脂成形工程とを、含む。このため、金属板12と樹脂層24との固着は、第1貫通穴16および第2貫通穴18内に樹脂が注入されることにより、樹脂層24と同時にインサート成形された結合樹脂部26により行われるため、金属板12と金属板12の一面に固着された樹脂層24とを備える板状複合部材10の生産性を向上させ、設備費を低減することができる。   Moreover, according to the manufacturing method of the plate-shaped composite member 10 of the present embodiment, the metal member 30 constituting the metal plate 12 has a columnar first through hole 16 and a second through hole having a larger diameter than the first through hole 16. The punching process for forming the hole 18 and the metal member 30 from the end portion of the first metal plate portion 14 so that the opening edge of the second through hole 18 is located outside the opening edge of the first through hole 16 The second metal plate part 20 bent to the side opposite to the layer 24 side is bent so as to closely overlap the first metal plate part 14 in which the first through holes 16 are formed, thereby forming the metal plate 12. A bending step and a resin molding step of insert-molding the bonding resin portion 26 for joining the metal plate 12 and the resin layer 24 together with the resin layer 24 in the first through hole 16 and the second through hole 18 are included. For this reason, the metal plate 12 and the resin layer 24 are fixed by the bonding resin portion 26 that is insert-molded simultaneously with the resin layer 24 by injecting resin into the first through hole 16 and the second through hole 18. Therefore, the productivity of the plate-like composite member 10 including the metal plate 12 and the resin layer 24 fixed to one surface of the metal plate 12 can be improved, and the equipment cost can be reduced.

次に本発明の他の実施例を説明する。なお、以下の実施例において前記実施例と実質的に共通する部分には同一の符号を付して詳しい説明を省略する。   Next, another embodiment of the present invention will be described. In the following embodiments, parts that are substantially the same as those in the above embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

本実施例の板状複合部材32は、金属板34の第1貫通穴36および第2貫通穴38の形状、および第1貫通穴36および第2貫通穴38内に形成される結合樹脂部40の形状が異なる以外は、前述の実施例1の板状複合部材10と機能において実質的に共通する。したがって、主として、上記の異なる構成について図4および図5を用いて説明する。   The plate-shaped composite member 32 of the present embodiment includes the shape of the first through hole 36 and the second through hole 38 of the metal plate 34, and the bonding resin portion 40 formed in the first through hole 36 and the second through hole 38. Except for the difference in shape, the plate-like composite member 10 of the first embodiment is substantially common in function. Therefore, the above different configuration will be mainly described with reference to FIGS.

図4は、板状複合部材32の第2金属板部20側から見た平面図であり、図5は、板状複合部材32のV-V視断面図である。板状複合部材32の金属板34には、第2金属板部20に形成された金属板34の平面方向の断面が長方形状の第2貫通穴38と、第1金属板部14に形成された、第2金属板部20の第2貫通穴38よりも金属板34の長手方向における長さが短くされた金属板34の平面方向の断面が略正方形状の第1貫通穴36とが、第1金属板部14の第1貫通穴36の開口が第2金属板部20の第2貫通穴38の開口の長手方向中央付近で連続するように位置させられるように形成されている。これにより、第2貫通穴38の第1金属板部14側の開口縁はその少なくとも一部が、第1貫通穴36の第2金属板部20側の開口縁の外側に位置されるとともに、第2貫通穴38の第1金属板部14側の開口面積は、第1貫通穴36の第2金属板部20側の開口面積よりも大きく、第2貫通穴38の第1金属板部14側とは反対側の開口面積は、第1貫通穴36の樹脂層24側の開口面積よりも大きくされている。第1貫通穴36内および第2貫通穴38内に満たされた未硬化の樹脂がインサート成形後に硬化されて形成された結合樹脂部40は、第2貫通穴38の第1金属板部14側の開口に面する第1金属板部14の一対の矩形状表面に固着される、第2貫通穴38内の長手状両端部に長手方向に突設された一対の突部42を備え、第1貫通穴36の第2金属板部20側の開口と第2貫通穴38の第1金属板部14側の開口との重ね合わせ面上において、段差が形成されている。また、インサート成形時において、第2成形金型により塞がれた第2貫通穴38の第1金属板部14とは反対側の開口に露出する結合樹脂部40の表面は、第2金属板部20の表面に面一とされている。   4 is a plan view of the plate-like composite member 32 as viewed from the second metal plate portion 20 side, and FIG. 5 is a cross-sectional view of the plate-like composite member 32 taken along line VV. The metal plate 34 of the plate-like composite member 32 is formed in the first metal plate part 14 and the second through hole 38 having a rectangular cross section in the plane direction of the metal plate 34 formed in the second metal plate part 20. Further, the first through hole 36 having a substantially square cross section in the plane direction of the metal plate 34 in which the length in the longitudinal direction of the metal plate 34 is shorter than the second through hole 38 of the second metal plate part 20, The opening of the first through hole 36 of the first metal plate part 14 is formed so as to be located in the vicinity of the center in the longitudinal direction of the opening of the second through hole 38 of the second metal plate part 20. Thereby, at least a part of the opening edge of the second through hole 38 on the first metal plate part 14 side is located outside the opening edge of the first through hole 36 on the second metal plate part 20 side, and The opening area of the second through hole 38 on the first metal plate portion 14 side is larger than the opening area of the first through hole 36 on the second metal plate portion 20 side, and the first metal plate portion 14 of the second through hole 38. The opening area on the side opposite to the side is made larger than the opening area on the resin layer 24 side of the first through hole 36. The bonding resin portion 40 formed by curing the uncured resin filled in the first through hole 36 and the second through hole 38 after the insert molding is formed on the first metal plate portion 14 side of the second through hole 38. A pair of protrusions 42 protruding in the longitudinal direction at both longitudinal ends in the second through-hole 38 and fixed to a pair of rectangular surfaces of the first metal plate part 14 facing the opening of the first metal plate part 14; A step is formed on the overlapping surface of the opening of the first through hole 36 on the second metal plate portion 20 side and the opening of the second through hole 38 on the first metal plate portion 14 side. Further, at the time of insert molding, the surface of the bonding resin portion 40 exposed at the opening opposite to the first metal plate portion 14 of the second through hole 38 closed by the second molding die is the second metal plate. It is flush with the surface of the portion 20.

上述のように、本実施例の板状複合部材32によれば、前述の実施例1と同様の効果を得ることができる。   As described above, according to the plate-like composite member 32 of the present embodiment, the same effects as those of the first embodiment can be obtained.

図6は板状複合部材44の第2金属板部20側から見た平面図であり、図7は板状複合部材44のVII−VII視断面図である。板状複合部材44の金属板46は、第1金属板部14の第1貫通穴50の開口が第2金属板部20の第2貫通穴48の第1金属板部14側の開口に一致するように第2金属板部20が第1金属板部14の樹脂層24とは反対側に折り曲げられることにより形成されている。第2貫通穴48は、その第1金属板部14側の開口と、その開口よりも金属板46の長手方向に長い第1金属板部14とは反対側の開口との間を連続するように形成されている。これにより、第2貫通穴48の第1金属板部14側とは反対側の金属板46の長手方向の両端部における開口縁は、第1貫通穴50の第2金属板部20側の開口縁の外側に位置され、第2貫通穴48の第1金属板部14とは反対側の開口面積は、第1貫通穴50の樹脂層24側の開口面積よりも大きくされている。この第1貫通穴50内および第2貫通穴48内に形成される結合樹脂部52は、第2金属板部20の第2貫通穴48内において、第1金属板部14側から離れるに従い金属板46の平面方向の断面が金属板46の長手方向に次第に大きくされている。また、インサート成形時において、第2成形金型により塞がれた第2貫通穴48の第1金属板部14とは反対側から露出する結合樹脂部52の表面は、第2金属板部20の表面に面一とされている。   6 is a plan view of the plate-shaped composite member 44 as viewed from the second metal plate portion 20 side, and FIG. 7 is a cross-sectional view of the plate-shaped composite member 44 taken along the line VII-VII. In the metal plate 46 of the plate-like composite member 44, the opening of the first through hole 50 of the first metal plate part 14 matches the opening of the second through hole 48 of the second metal plate part 20 on the first metal plate part 14 side. Thus, the second metal plate part 20 is formed by being bent to the opposite side of the resin layer 24 of the first metal plate part 14. The second through hole 48 is continuous between the opening on the first metal plate portion 14 side and the opening on the opposite side of the first metal plate portion 14 that is longer in the longitudinal direction of the metal plate 46 than the opening. Is formed. Thereby, the opening edge in the both ends of the longitudinal direction of the metal plate 46 on the opposite side to the 1st metal plate part 14 side of the 2nd through hole 48 is an opening by the side of the 2nd metal plate part 20 of the 1st through hole 50. The opening area of the second through hole 48 on the side opposite to the first metal plate portion 14 is larger than the opening area of the first through hole 50 on the resin layer 24 side. The bonding resin portion 52 formed in the first through hole 50 and the second through hole 48 is a metal in the second through hole 48 of the second metal plate portion 20 as the distance from the first metal plate portion 14 side increases. The cross section in the planar direction of the plate 46 is gradually increased in the longitudinal direction of the metal plate 46. Further, at the time of insert molding, the surface of the bonding resin portion 52 exposed from the side opposite to the first metal plate portion 14 of the second through hole 48 closed by the second molding die is the second metal plate portion 20. It is flush with the surface.

上述のように、本実施例の板状複合部材44によれば、前述の実施例1と同様の効果を得ることができる。   As described above, according to the plate-like composite member 44 of the present embodiment, the same effects as those of the first embodiment can be obtained.

また、本実施例の板状複合部材44によれば、第2貫通穴48は、第1金属板部14側の開口から離れるにしたがってその開口よりも拡大され、第1金属板部14側とは反対側において最大の開口となる。このため、第1金属板部14に固着された樹脂層24を剥がす方向に作用される力による、第1金属板部14と第2金属板部20との重ね合わせ面付近における第1貫通穴50内および第2貫通穴48内にインサート成形された結合樹脂部52に作用する応力を分散することができ、結合樹脂部52の破損を抑制することができることから、金属板46と金属板46の一面に固着された樹脂層24とを備える板状複合部材44の固定強度および密着強度がより向上される。   Further, according to the plate-like composite member 44 of the present embodiment, the second through hole 48 is enlarged from the opening as the distance from the opening on the first metal plate portion 14 side increases. Is the largest opening on the opposite side. For this reason, the first through hole in the vicinity of the overlapping surface of the first metal plate portion 14 and the second metal plate portion 20 due to the force acting in the direction of peeling the resin layer 24 fixed to the first metal plate portion 14. 50 and the second through hole 48 can disperse the stress acting on the bonding resin portion 52 that is insert-molded, and can suppress the breakage of the bonding resin portion 52. The fixing strength and the adhesion strength of the plate-like composite member 44 including the resin layer 24 fixed to one surface are further improved.

図8は板状複合部材54の第2金属板部20側から見た平面図であり、図9は板状複合部材54のIX−IX視断面図である。板状複合部材54の金属板56は、第1貫通穴60の第2金属板部20側の開口が第2貫通穴58の第1金属板部14側の開口の長手方向中央部に位置するように、第2金属板部20が第1金属板部14の樹脂層24とは反対側に折り曲げられることにより形成されている。第2貫通穴58は、その第1金属板部14側の開口と、その開口よりも金属板56の長手方向に短い第1金属板部14とは反対側の開口との間を連続するように形成されている。これにより、第2貫通穴58の第1金属板部14側の開口縁は、第1貫通穴60の第2金属板部20側の開口縁の外側に位置され、第2貫通穴58の第1金属板部14側の開口面積は、第1貫通穴60の第2金属板部20側の開口面積よりも大きくされている。この第1貫通穴60内および第2貫通穴58内に形成される結合樹脂部62は、第2貫通穴58の第1金属板部14側の開口に面する第1金属板部14の一対の矩形状表面に固着される、第2貫通穴58内に金属板56の長手方向両端部において長手方向に突き出す一対の断面三角形の突部64を備え、第1貫通穴60の第2金属板部20側の開口と第2貫通穴58の第1金属板部14側の開口との重ね合わせ面上において、段差が形成されている。また、インサート成形時において、第2成形金型66により塞がれた第2貫通穴58の第1金属板部14とは反対側の開口に露出する結合樹脂部62の表面は、第2金属板部20の表面に面一とされている。   8 is a plan view of the plate-like composite member 54 as viewed from the second metal plate portion 20 side, and FIG. 9 is a cross-sectional view of the plate-like composite member 54 taken along the line IX-IX. In the metal plate 56 of the plate-shaped composite member 54, the opening of the first through hole 60 on the second metal plate part 20 side is positioned at the center in the longitudinal direction of the opening of the second through hole 58 on the first metal plate part 14 side. As described above, the second metal plate portion 20 is formed by being bent to the side opposite to the resin layer 24 of the first metal plate portion 14. The second through hole 58 is continuous between the opening on the first metal plate portion 14 side and the opening on the side opposite to the first metal plate portion 14 shorter in the longitudinal direction of the metal plate 56 than the opening. Is formed. Accordingly, the opening edge of the second through hole 58 on the first metal plate part 14 side is positioned outside the opening edge of the first through hole 60 on the second metal plate part 20 side, and the second through hole 58 has the first opening edge. The opening area on the first metal plate part 14 side is made larger than the opening area on the second metal plate part 20 side of the first through hole 60. The bonding resin portion 62 formed in the first through hole 60 and the second through hole 58 is a pair of the first metal plate portion 14 facing the opening of the second through hole 58 on the first metal plate portion 14 side. The second metal plate of the first through hole 60 is provided with a pair of triangular projections 64 protruding in the longitudinal direction at both longitudinal ends of the metal plate 56 in the second through hole 58 fixed to the rectangular surface of the first through hole 60. A step is formed on the overlapping surface of the opening on the part 20 side and the opening on the first metal plate part 14 side of the second through hole 58. Further, at the time of insert molding, the surface of the bonding resin portion 62 exposed at the opening opposite to the first metal plate portion 14 of the second through hole 58 closed by the second molding die 66 is the second metal. It is flush with the surface of the plate part 20.

板状複合部材54のインサート成形工程において、図9に示されるようにたとえば平板状の第2成形金型66が第2金属板部20の第1金属板部14側とは反対側の表面に密着されて、第2貫通穴58の第1金属板部14側とは反対側の開口が塞がれるように設置される。そして、未硬化の樹脂が図示しない第1成形金型に備えられた樹脂射出口から射出されると、射出された未硬化の樹脂は第1貫通穴60を通じて第2貫通穴58内に充填される。このようにして形成された結合樹脂部62の第2貫通穴58の第1金属板部14側とは反対側の開口に露出する表面は、第2金属板部20の表面と面一とされる。   In the insert molding step of the plate-like composite member 54, as shown in FIG. 9, for example, a flat plate-like second molding die 66 is placed on the surface of the second metal plate portion 20 opposite to the first metal plate portion 14 side. The second through hole 58 is installed so that the opening on the opposite side to the first metal plate part 14 side is closed. When uncured resin is injected from a resin injection port provided in a first molding die (not shown), the injected uncured resin is filled into the second through hole 58 through the first through hole 60. The The surface exposed to the opening opposite to the first metal plate portion 14 side of the second through hole 58 of the bonding resin portion 62 formed in this way is flush with the surface of the second metal plate portion 20. The

上述のように、本実施例の板状複合部材54によれば、前述の実施例1と同様の効果を得ることができる。   As described above, according to the plate-like composite member 54 of the present embodiment, the same effects as those of the first embodiment can be obtained.

図10は板状複合部材68の第2金属板部20側から見た平面図であり、図11は板状複合部材68のA−A視断面図である。板状複合部材68の金属板70の第1金属板部14は、第2金属板部20側の開口および樹脂層24側の開口が等しい長方形状とされるように厚さ方向に打ち抜かれて形成された第1貫通穴72を備えており、第2金属板部20は、第1金属板部14側の開口および第1金属板部14とは反対側の開口が、第1貫通穴72の開口と等しい長方形状とされるように厚さ方向に打ち抜かれて形成された第2貫通穴74を備えている。第2貫通穴74の第1金属板部14側の開口の中心は、第1貫通穴72の第2金属板部20側の開口の中心と一致しないように第2金属板部20が第1金属板部14に密接状態で重ねられており、第2貫通穴74の第1金属板部14側の開口縁の一部は、第1貫通穴72の第2金属板部20側の開口縁の外側に位置されている。第1貫通穴72内および第2貫通穴74内に満たされた未硬化の樹脂が硬化されて形成された結合樹脂部76は、第2貫通穴74の第1金属板部14側の開口に面する第1金属板部14の矩形状表面に固着される、第2貫通穴74内の金属板70の長手方向に突設された突部78を備え、第1貫通穴72の第2金属板部20側の開口と第2貫通穴74の第1金属板部14側の開口との重ね合わせ面上において、段差が形成されている。また、インサート成形時において、第2成形金型により塞がれた第2貫通穴74の第1金属板部14とは反対側の開口に露出する結合樹脂部76の表面は、第2金属板部20の表面に面一とされている。   10 is a plan view of the plate-like composite member 68 as viewed from the second metal plate portion 20 side, and FIG. 11 is a cross-sectional view of the plate-like composite member 68 taken along line AA. The first metal plate portion 14 of the metal plate 70 of the plate-shaped composite member 68 is punched in the thickness direction so that the opening on the second metal plate portion 20 side and the opening on the resin layer 24 side are the same rectangular shape. The first through hole 72 is formed, and the second metal plate portion 20 has an opening on the first metal plate portion 14 side and an opening on the opposite side to the first metal plate portion 14. The second through hole 74 is formed by being punched in the thickness direction so as to have a rectangular shape equal to the opening. The center of the opening of the second through hole 74 on the first metal plate part 14 side is the first metal plate part 20 so that the center of the opening of the first through hole 72 on the second metal plate part 20 side does not coincide. A part of the opening edge on the first metal plate part 14 side of the second through hole 74 is overlapped with the metal plate part 14 in close contact with the opening edge on the second metal plate part 20 side of the first through hole 72. Is located outside. The bonding resin portion 76 formed by curing the uncured resin filled in the first through hole 72 and the second through hole 74 is formed in the opening of the second through hole 74 on the first metal plate portion 14 side. A protrusion 78 projecting in the longitudinal direction of the metal plate 70 in the second through hole 74, which is fixed to the rectangular surface of the first metal plate part 14 facing the second metal of the first through hole 72; A step is formed on the overlapping surface of the opening on the plate part 20 side and the opening on the first metal plate part 14 side of the second through hole 74. Further, at the time of insert molding, the surface of the bonding resin portion 76 exposed at the opening opposite to the first metal plate portion 14 of the second through hole 74 blocked by the second molding die is the second metal plate. It is flush with the surface of the portion 20.

上述のように、本実施例の板状複合部材68によれば、前述の実施例1と同様の効果を得ることができる。   As described above, according to the plate-shaped composite member 68 of the present embodiment, the same effects as those of the first embodiment can be obtained.

また、本実施例の板状複合部材68によれば、第2貫通穴74の第1金属板部14側の開口の中心は、第1貫通穴72の第2金属板部20側の開口の中心からずれている。このようにすれば、金属板70の第1金属板部14と第2金属板部20との重ね合わせ面において第1貫通穴72および第2貫通穴74にインサート成形された結合樹脂部76の突部78により生じる段差により樹脂層24が第1金属板部14から抜け止めされて、金属板70と金属板70の一面に固着された樹脂層24とを備える板状複合部材68の固定強度および密着強度がより向上される。   Further, according to the plate-shaped composite member 68 of the present embodiment, the center of the opening of the second through hole 74 on the first metal plate part 14 side is the opening of the first through hole 72 on the second metal plate part 20 side. It is off center. In this way, the bonding resin portion 76 that is insert-molded into the first through hole 72 and the second through hole 74 on the overlapping surface of the first metal plate portion 14 and the second metal plate portion 20 of the metal plate 70. The resin layer 24 is prevented from coming off from the first metal plate portion 14 by the step generated by the protrusion 78, and the fixing strength of the plate-shaped composite member 68 including the metal plate 70 and the resin layer 24 fixed to one surface of the metal plate 70 is fixed. In addition, the adhesion strength is further improved.

図12は、板状複合部材80の金属板82の第2金属板部20側から見た平面図である。図13は、板状複合部材80のB−B視断面図である。板状複合部材80の金属板82は、第1金属板部14に2つの第1貫通穴16をその長手方向に並列に備えるとともに、第2金属板部20に2つの第2貫通穴18を、その開口の中心が第1貫通穴16のそれぞれの開口の中心と一致するように備えている。これにより、第2貫通穴18の第1金属板部14側のそれぞれの開口縁は、第1貫通穴16の第2金属板部20側のそれぞれの開口縁の外側に位置されるとともに、第2貫通穴18の第1金属板部14側のそれぞれの開口の面積は、第1貫通穴16の第2金属板部20側のそれぞれの開口の面積よりも大きく、第2貫通穴18の第1金属板部14側とは反対側のそれぞれの開口の面積は、第1貫通穴16の樹脂層24側のそれぞれの開口の面積よりも大きくされている。また、板状複合部材80は2つの結合樹脂部26を備え、そのそれぞれの結合樹脂部26には、第2貫通穴18内の外周側にフランジ部28が備えられ、第1貫通穴16の第2金属板部20側の開口と第2貫通穴18の第1金属板部14側の開口との重ね合わせ面上において、段差が形成されている。また、インサート成形時において、第2成形金型により塞がれた2つの第2貫通穴18の第1金属板部14とは反対側の開口に露出する結合樹脂部26の表面は、第2金属板部20の表面に面一とされている。   FIG. 12 is a plan view of the metal plate 82 of the plate-shaped composite member 80 as viewed from the second metal plate portion 20 side. FIG. 13 is a cross-sectional view of the plate-like composite member 80 taken along the line BB. The metal plate 82 of the plate-shaped composite member 80 includes two first through holes 16 in the first metal plate portion 14 in parallel in the longitudinal direction, and two second through holes 18 in the second metal plate portion 20. The center of the opening is provided so as to coincide with the center of each opening of the first through hole 16. Thereby, each opening edge on the first metal plate part 14 side of the second through hole 18 is positioned outside each opening edge on the second metal plate part 20 side of the first through hole 16, and The area of each opening of the two through holes 18 on the first metal plate part 14 side is larger than the area of each opening of the first through hole 16 on the second metal plate part 20 side, and the second through hole 18 has a first area. The area of each opening on the side opposite to the one metal plate part 14 side is made larger than the area of each opening on the resin layer 24 side of the first through hole 16. The plate-shaped composite member 80 includes two bonding resin portions 26, and each of the bonding resin portions 26 includes a flange portion 28 on the outer peripheral side in the second through hole 18. A step is formed on the overlapping surface of the opening on the second metal plate portion 20 side and the opening on the first metal plate portion 14 side of the second through hole 18. Further, at the time of insert molding, the surface of the bonding resin portion 26 exposed at the opening opposite to the first metal plate portion 14 of the two second through holes 18 closed by the second molding die is the second It is flush with the surface of the metal plate portion 20.

上述のように、本実施例の板状複合部材80によれば、前述の実施例1と同様の効果を得ることができる。   As described above, according to the plate-shaped composite member 80 of the present embodiment, the same effects as those of the first embodiment can be obtained.

また、本実施例の板状複合部材80によれば、第1金属板部14に形成された第1貫通穴16および第2金属板部20に形成された第2貫通穴18は、それぞれ2個であり、2つの結合樹脂部26が備えられている。このため、第1貫通穴16内および第2貫通穴18内にインサート成形された2つの結合樹脂部26により樹脂層24が第1金属板部14からより剥がれにくくされるため、金属板12と金属板12の一面に固着された樹脂層24とを備える板状複合部材80の固定強度および密着強度が向上される。   Further, according to the plate-like composite member 80 of the present embodiment, the first through hole 16 formed in the first metal plate portion 14 and the second through hole 18 formed in the second metal plate portion 20 are each 2 And two bonding resin portions 26 are provided. For this reason, since the resin layer 24 is more difficult to peel off from the first metal plate portion 14 by the two bonding resin portions 26 that are insert-molded in the first through hole 16 and the second through hole 18, Fixing strength and adhesion strength of the plate-like composite member 80 including the resin layer 24 fixed to one surface of the metal plate 12 are improved.

図14は、板状複合部材84の第2金属板部20側から見た平面図であり、図15は、板状複合部材84のC-C視断面図である。金属板86の第1金属板部14には、2つの第1貫通穴16が長手方向に並列に備えられている。金属板86の第2金属板部20には、第2金属板部20の第1金属板部14とは反対側の面に開口する長円形状の開口縁と、第2金属板部20の第1金属板部14側の面の2つの第1貫通穴16に対応する2つの開口縁とを厚み方向に結ぶ1つの第2貫通穴88が備えられている。第2貫通穴88の第1金属板部14側とは反対側の長円形状の開口縁は2つの第1貫通穴16の第2金属板部20側の開口縁の外側に位置するように第2金属板部20が折り曲げられ金属板86が構成されている。これにより、第2貫通穴88の第1金属板部14と反対側の開口面積は、第1貫通穴16の樹脂層24側の開口面積よりも大きくされている。第1貫通穴16内および第2貫通穴88内に満たされた未硬化の樹脂が硬化されて形成された結合樹脂部90は、第2貫通穴88においてその第1金属板部14側の開口から離れるに従い、金属板86の面に平行な方向の断面が拡大される形状を有している。また、インサート成形時において、第2成形金型により塞がれた第2貫通穴88の第1金属板部14とは反対側の開口に露出する結合樹脂部90の表面は、第2金属板部20の表面に面一とされている。   14 is a plan view of the plate-like composite member 84 as viewed from the second metal plate portion 20 side, and FIG. 15 is a cross-sectional view of the plate-like composite member 84 taken along the line CC. The first metal plate portion 14 of the metal plate 86 is provided with two first through holes 16 in parallel in the longitudinal direction. The second metal plate portion 20 of the metal plate 86 includes an oval opening edge that opens on the surface of the second metal plate portion 20 opposite to the first metal plate portion 14, and the second metal plate portion 20. One second through-hole 88 that connects two opening edges corresponding to the two first through-holes 16 on the surface on the first metal plate part 14 side in the thickness direction is provided. The oval opening edge of the second through hole 88 opposite to the first metal plate part 14 side is positioned outside the opening edge of the two first through holes 16 on the second metal plate part 20 side. The second metal plate portion 20 is bent to form a metal plate 86. As a result, the opening area of the second through hole 88 on the side opposite to the first metal plate portion 14 is made larger than the opening area of the first through hole 16 on the resin layer 24 side. The bonding resin portion 90 formed by curing the uncured resin filled in the first through hole 16 and the second through hole 88 is an opening on the first metal plate portion 14 side in the second through hole 88. As it leaves, the cross section in the direction parallel to the surface of the metal plate 86 is enlarged. Further, at the time of insert molding, the surface of the bonding resin portion 90 exposed at the opening opposite to the first metal plate portion 14 of the second through hole 88 closed by the second molding die is the second metal plate. It is flush with the surface of the portion 20.

上述のように、本実施例の板状複合部材84によれば、前述の実施例1と同様の効果を得ることができる。   As described above, according to the plate-like composite member 84 of the present embodiment, the same effects as those of the first embodiment can be obtained.

また、本実施例の板状複合部材84によれば、第2貫通穴88は、第1金属板部14側の開口から離れるにしたがって大きな断面となる形状である。このため、第1金属板部14に固着された樹脂層24を剥がす方向に作用される力による、第1金属板部14と第2金属板部20との重ね合わせ面付近における第1貫通穴16内および第2貫通穴88内にインサート成形された結合樹脂部90に作用する応力を分散することができ、結合樹脂部90の破損を抑制することができることから、金属板86とその一面に固着された樹脂層24とを備える板状複合部材84の固定強度および密着強度がより向上される。   Moreover, according to the plate-shaped composite member 84 of the present embodiment, the second through hole 88 has a shape that becomes a larger cross section as it is away from the opening on the first metal plate portion 14 side. For this reason, the first through hole in the vicinity of the overlapping surface of the first metal plate portion 14 and the second metal plate portion 20 due to the force acting in the direction of peeling the resin layer 24 fixed to the first metal plate portion 14. 16 and the second through hole 88 can disperse the stress acting on the bonding resin portion 90 which is insert-molded, and can suppress the breakage of the bonding resin portion 90. The fixing strength and adhesion strength of the plate-shaped composite member 84 including the fixed resin layer 24 are further improved.

また、本実施例の板状複合部材84によれば、第1金属板部14に形成された第1貫通穴16は2つであり、その2つの第1貫通穴16内と1つの第2貫通穴88内に結合樹脂部90が備えられている。このため、第1貫通穴16内および第2貫通穴88内にインサート成形された結合樹脂部90により樹脂層24が第1金属板部14からより剥がれにくくされるため、金属板86とその一面に固着された樹脂層24とを備える板状複合部材84の固定強度および密着強度が向上される。   Moreover, according to the plate-shaped composite member 84 of the present embodiment, there are two first through holes 16 formed in the first metal plate portion 14, and the inside of the two first through holes 16 and one second hole. A bonding resin portion 90 is provided in the through hole 88. For this reason, since the resin layer 24 is more difficult to be peeled off from the first metal plate portion 14 by the bonding resin portion 90 insert-molded in the first through hole 16 and the second through hole 88, the metal plate 86 and one surface thereof. The fixing strength and the adhesion strength of the plate-like composite member 84 including the resin layer 24 fixed to are improved.

以上、本発明を表及び図面を参照して詳細に説明したが、本発明は更に別の態様でも実施でき、その主旨を逸脱しない範囲で種々変更を加え得るものである。   As mentioned above, although this invention was demonstrated in detail with reference to the table | surface and drawing, this invention can be implemented in another aspect, and can be variously changed in the range which does not deviate from the main point.

10、32、44、54、68、80、84:板状複合部材
12、34、46、56、70、82、86:金属板
14:第1金属板部
16、36、50、60、72:第1貫通穴
18、38、48、58、74、88:第2貫通穴
20:第2金属板部
24:樹脂層
66:第2成形金型(成形型)
10, 32, 44, 54, 68, 80, 84: Plate-shaped composite members 12, 34, 46, 56, 70, 82, 86: Metal plate 14: First metal plate portion 16, 36, 50, 60, 72 : First through hole 18, 38, 48, 58, 74, 88: second through hole 20: second metal plate portion 24: resin layer 66: second molding die (molding die)

Claims (8)

金属板と、該金属板の一面に固着された樹脂層とを備える板状複合部材であって、
前記金属板は、第1貫通穴が形成された第1金属板部と、該第1金属板部の端部から前記樹脂層側とは反対側へ折り曲げられて該第1金属板部に密接状態で重ねられ、前記第1貫通穴に連通する第2貫通穴が形成された第2金属板部とを有し、
前記第1貫通穴および第2貫通穴内には、前記樹脂層と共に樹脂がインサート成形され、
前記第2貫通穴の前記第1金属板部側の開口縁または前記第1金属板部側とは反対側の開口縁の少なくとも一部は、前記第1貫通穴の前記第2金属板部側の開口縁の外側に位置している
ことを特徴とする板状複合部材。
A plate-like composite member comprising a metal plate and a resin layer fixed to one surface of the metal plate,
The metal plate is in close contact with the first metal plate portion formed with a first through hole, and bent from the end of the first metal plate portion to the side opposite to the resin layer side. A second metal plate portion that is stacked in a state and has a second through hole communicating with the first through hole,
In the first through hole and the second through hole, resin is insert-molded together with the resin layer,
At least a part of the opening edge of the second through hole on the first metal plate portion side or the opening edge on the opposite side of the first metal plate portion side is the second metal plate portion side of the first through hole. A plate-like composite member, characterized in that the plate-like composite member is located outside the opening edge of the plate.
前記第2貫通穴の前記第1金属板部側の開口面積は、前記第1貫通穴の前記第2金属板部側の開口面積よりも大きいことを特徴とする請求項1の板状複合部材。   2. The plate-like composite member according to claim 1, wherein an opening area of the second through hole on the first metal plate portion side is larger than an opening area of the first through hole on the second metal plate portion side. . 前記第2貫通穴の前記第1金属板部側の開口の中心は、前記第1貫通穴の前記第2金属板部側の開口の中心からずれていることを特徴とする請求項1または2の板状複合部材。   The center of the opening of the second through hole on the first metal plate part side is deviated from the center of the opening of the first through hole on the second metal plate part side. Plate-shaped composite member. 前記第2貫通穴は、前記第1金属板部側の開口から離れるにしたがって該開口よりも拡大することを特徴とする請求項1から3のいずれか1の板状複合部材。   The plate-like composite member according to any one of claims 1 to 3, wherein the second through hole is larger than the opening as it is away from the opening on the first metal plate portion side. 前記第1金属板部に形成された第1貫通穴および前記第2金属板部に形成された第2貫通穴の少なくとも一方は、複数であることを特徴とする請求項1から4のいずれか1の板状複合部材。   5. The device according to claim 1, wherein at least one of the first through hole formed in the first metal plate portion and the second through hole formed in the second metal plate portion is plural. 1 plate-like composite member. 前記第2貫通穴の前記第1金属板部とは反対側の開口面積は、前記第1貫通穴の前記樹脂層側の開口面積よりも大きいことを特徴とする請求項1から5のいずれか1の板状複合部材。   The opening area of the second through hole on the side opposite to the first metal plate portion is larger than the opening area of the first through hole on the resin layer side. 1 plate-like composite member. 前記インサート成形は、前記第2貫通穴の前記第1金属板部側とは反対側の開口を塞ぐ成形型を用いて行なわれたものであることを特徴とする請求項1から6のいずれか1の板状複合部材。   7. The insert molding according to claim 1, wherein the insert molding is performed using a molding die that closes an opening of the second through hole on the side opposite to the first metal plate portion side. 1 plate-like composite member. 金属板と、該金属板の一面に固着された樹脂層とを備える板状複合部材の製造方法であって、
前記金属板に第1貫通穴および第2貫通穴を形成する打ち抜き工程と、
前記第2貫通穴の開口縁の少なくとも一部が前記第1貫通穴の開口縁の外側に位置するように、前記金属板を、前記第1貫通穴が形成された第1金属板部と、該第1金属板部の端部から前記樹脂層側とは反対側へ折り曲げられた第2金属板部を該第1金属板部に密接状態で重なるように折り曲げる折り曲げ工程と、
前記第1貫通穴および第2貫通穴内に、前記樹脂層と共に樹脂をインサート成形する樹脂成形工程と
を、含むことを特徴とする板状複合部材の製造方法。
A method for producing a plate-like composite member comprising a metal plate and a resin layer fixed to one surface of the metal plate,
A punching step of forming a first through hole and a second through hole in the metal plate;
The metal plate, the first metal plate part in which the first through hole is formed, so that at least a part of the opening edge of the second through hole is located outside the opening edge of the first through hole; A bending step of bending the second metal plate portion bent from the end portion of the first metal plate portion to the side opposite to the resin layer side so as to closely overlap the first metal plate portion;
A resin molding step of insert molding a resin together with the resin layer in the first through hole and the second through hole.
JP2014235088A 2014-11-19 2014-11-19 Plate-shaped composite member and method for manufacturing plate-shaped composite member Expired - Fee Related JP6212469B2 (en)

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