JP2021037738A - Method of bonding plate-shaped members - Google Patents
Method of bonding plate-shaped members Download PDFInfo
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- JP2021037738A JP2021037738A JP2019170892A JP2019170892A JP2021037738A JP 2021037738 A JP2021037738 A JP 2021037738A JP 2019170892 A JP2019170892 A JP 2019170892A JP 2019170892 A JP2019170892 A JP 2019170892A JP 2021037738 A JP2021037738 A JP 2021037738A
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- 238000000034 method Methods 0.000 title abstract description 27
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000005304 joining Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 13
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 description 20
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
本発明は、熱可塑性樹脂部材製のピンを用いて、金属・セラミック等の板状部材を接合する方法に関する。 The present invention relates to a method of joining plate-shaped members such as metal and ceramic using a pin made of a thermoplastic resin member.
従来から板状部材として金属やセラミック等が使用されている。これらの板状部材を接合するための一般的な方法としては、ネジとナットやリベット等が使用されている。接合方法が簡便で強度も得られるため多くの分野において使用されているが、これらの接合方法では接合する部材の表面にネジやナット、リベット等が突出することが欠点であった。 Conventionally, metal, ceramic, or the like has been used as a plate-shaped member. As a general method for joining these plate-shaped members, screws, nuts, rivets and the like are used. It is used in many fields because the joining method is simple and strength can be obtained, but these joining methods have a drawback that screws, nuts, rivets, etc. protrude from the surface of the members to be joined.
金属板同士の接合の場合、このような欠点を持たない半田付けやろう付け、溶接等の方法も利用されている。しかし、これらの方法においては、逆に接合するための特別な装置が必要となる。 In the case of joining metal plates to each other, methods such as soldering, brazing, and welding that do not have such drawbacks are also used. However, these methods require special equipment for reverse joining.
特許文献１には、平板状の導電部材同士を接合する導電部材の接続方法において、片方の導電部材の上面に他方の導電部材の下面を重ね合わせ、該重ね合わせた両方の導電部材に貫通する穴を形成し、または予め形成しておき、該穴に、外側面に凹凸を有するピンを熱しながら挿入して溶融金属で該ピンと前記導電部材とを導電接続することを特徴とする導電部材の接合方法が開示されている。ピンの材質について記述はないが、例えば図２（ｃ）及び明細書段落［００１６］を見るとピンに半田ごてを押し当ててピンを加熱した後半田を流し込んでいるため、このピンは少なくとも半田よりも融点が高く熱伝導率の良い材料であることが推察され、また導電部材を接合するためピンの強度も必要となるため。このような特性を持つ材料は金属が適していると考えられる。この方法では、少なくともピンと半田と２種類の材料が必要となり、接合方法も煩雑となる。 In Patent Document 1, in a method of connecting conductive members for joining flat-plate-shaped conductive members to each other, an upper surface of one conductive member is superposed on a lower surface of the other conductive member, and the lower surface of the other conductive member is penetrated through both of the superposed conductive members. A conductive member, characterized in that a hole is formed or is formed in advance, and a pin having irregularities on the outer surface is inserted into the hole while heating, and the pin and the conductive member are conductively connected with a molten metal. The joining method is disclosed. Although there is no description about the material of the pin, for example, as shown in FIG. 2C and paragraph [0016] of the specification, since the soldering iron is pressed against the pin to heat the pin and then the solder is poured, this pin is at least It is presumed that it is a material with a higher melting point and better thermal conductivity than solder, and the strength of the pins is also required to join the conductive members. It is considered that metal is suitable as a material having such properties. This method requires at least two types of materials, a pin and solder, and the joining method is also complicated.
上述の問題点に鑑みて本発明による接合方法では、加熱という物理的な手段のみを使用し、強度に優れた板状部材の接合方法を提供することを課題とする。 In view of the above-mentioned problems, it is an object of the present invention to provide a joining method for plate-shaped members having excellent strength by using only a physical means of heating.
上記の課題を解決するため本発明による板状部材の接合方法においては、板状部材同士の接合において、接合する前記部材の両方に凹部または貫通部を形成し、この凹部または貫通部に熱可塑性樹脂製のピンを埋め込み、加熱処理により接合することを特徴とする。 In order to solve the above problems, in the method of joining plate-shaped members according to the present invention, in joining plate-shaped members, recesses or penetrations are formed in both of the members to be joined, and the recesses or penetrations are thermoplastic. It is characterized by embedding a resin pin and joining by heat treatment.
前記ピンは、接合後に前記板状部材表面より上に出ていないことが最大の特徴である。 The biggest feature of the pin is that it does not protrude above the surface of the plate-shaped member after joining.
前記板状部材の前記凹部または貫通部は、円、長円または多角形の筒状であることが好ましく、前記凹部または貫通部の断面形状において、前記各々の板状部材の接合側の幅が、前記各々の板状部材の非接合側の幅より小さいことが好適である。 The concave portion or the penetrating portion of the plate-shaped member is preferably a circular, oval or polygonal tubular shape, and in the cross-sectional shape of the concave portion or the penetrating portion, the width of the joint side of each of the plate-shaped members is , It is preferable that the width is smaller than the width of each of the plate-shaped members on the non-joining side.
前記熱可塑性樹脂部材は、積層型の炭素繊維強化熱可塑性樹脂またはガラス繊維強化熱可塑性樹脂であることが望ましく、前記ピンにおける熱可塑性樹脂の積層方向が、前記ピンの両端面に対して直角であることがより好適である。 The thermoplastic resin member is preferably a laminated carbon fiber reinforced thermoplastic resin or a glass fiber reinforced thermoplastic resin, and the lamination direction of the thermoplastic resin on the pin is perpendicular to both end faces of the pin. It is more preferable to have.
前記加熱処理は、前記熱可塑性樹脂の軟化温度以上であることが好適であり、前記板状部材の両方またはいずれかは、金属或いはセラミック等、前記熱可塑性樹脂製ピンより融点の高い材料であることが望ましい。 The heat treatment is preferably performed at a temperature equal to or higher than the softening temperature of the thermoplastic resin, and both or either of the plate-shaped members is a material having a melting point higher than that of the thermoplastic resin pin, such as metal or ceramic. Is desirable.
本発明による板状部材の接合方法によれば、熱可塑性樹脂製ピンを最終的に軟化させて変形させることにより板状部材同士を接合させるため、種々の加熱方法を採用することが可能となる。また、板状部材に形成する凹部または貫通部の断面形状において、各々の板状部材の接合側の幅が、各々の板状部材の非接合側の幅より小さくなるよう構成することにより、熱可塑性樹脂製ピンがより抜けにくくなり、接合強度を上げることができる。さらに、熱可塑性樹脂製ピンの材料として、積層型の炭素繊維強化熱可塑性樹脂またはガラス繊維強化熱可塑性樹脂を使用し、積層方向を前記ピンの両端面に対して直角になるよう形成し、接合時に板状部材に対して一定の方向で使用することにより、所望する方向の強度を強くすることができる。さらに、熱可塑性樹脂製ピンを接合に使用しているため、必要であれば再加熱することにより、板状部材同士を再分離することも可能である。 According to the method for joining plate-shaped members according to the present invention, since the plate-shaped members are joined to each other by finally softening and deforming the thermoplastic resin pins, various heating methods can be adopted. .. Further, in the cross-sectional shape of the concave portion or the penetrating portion formed in the plate-shaped member, the width of the joint side of each plate-shaped member is smaller than the width of the non-joined side of each plate-shaped member, thereby heat. The plastic resin pin is less likely to come off, and the bonding strength can be increased. Further, as the material of the thermoplastic resin pin, a laminated carbon fiber reinforced thermoplastic resin or a glass fiber reinforced thermoplastic resin is used, and the lamination direction is formed so as to be perpendicular to both end faces of the pin and joined. Sometimes, by using the plate-shaped member in a certain direction, the strength in the desired direction can be increased. Further, since the thermoplastic resin pins are used for joining, it is possible to re-separate the plate-shaped members by reheating if necessary.
以下、実施例に基づいて本発明の好適な実施態様について説明する。 Hereinafter, preferred embodiments of the present invention will be described based on examples.
図１に本発明による板状部材の接合方法の説明図を示した。（ａ）は構成部材であり、板状部材１及び２と熱可塑性樹脂製ピン１０からなる。各々の板状部材１及び２上には貫通部３０が設けてある。貫通部の形状は任意であるが、各部材１及び２の接合面においては貫通部の形状が類似であることが望ましい。（ｂ）において、板状部材１及び２を加熱装置２０内に入れ、熱可塑性樹脂製ピン１０の軟化温度以上に加熱する。一例としてここでは板状部材１及び２を加熱する方法を示すが、他の方法を採用することももちろんできる。（ｃ）において、加熱した板状部材１及び２を接合する方向に重ねて貫通部３０の位置を合わせる。この貫通部３０に熱可塑性樹脂製ピン１０を挿入する。板状部材１及び２の温度が熱可塑性樹脂製ピン１０の軟化温度より高い場合、熱可塑性樹脂製ピン１０は貫通部３０内において軟化し、貫通部の形状に沿った形に変形する。この状態で板状部材１及び２を冷却すると熱可塑性樹脂製ピンは変形した形で貫通部３０内において固定化される。これによって、板状部材１及び２が熱可塑性樹脂製ピン１０により接合される。（ｄ）は、接合された板状部材１及び２の状態を示す。 FIG. 1 shows an explanatory diagram of a method for joining plate-shaped members according to the present invention. (A) is a constituent member, which is composed of plate-shaped members 1 and 2 and a thermoplastic resin pin 10. A penetrating portion 30 is provided on each of the plate-shaped members 1 and 2. The shape of the penetrating portion is arbitrary, but it is desirable that the shape of the penetrating portion is similar on the joint surfaces of the members 1 and 2. In (b), the plate-shaped members 1 and 2 are placed in the heating device 20 and heated to a temperature equal to or higher than the softening temperature of the thermoplastic resin pin 10. As an example, the method of heating the plate-shaped members 1 and 2 is shown here, but other methods can of course be adopted. In (c), the positions of the penetrating portions 30 are aligned by overlapping the heated plate-shaped members 1 and 2 in the joining direction. A thermoplastic resin pin 10 is inserted into the penetrating portion 30. When the temperature of the plate-shaped members 1 and 2 is higher than the softening temperature of the thermoplastic resin pin 10, the thermoplastic resin pin 10 softens in the penetrating portion 30 and deforms into a shape that follows the shape of the penetrating portion. When the plate-shaped members 1 and 2 are cooled in this state, the thermoplastic resin pins are fixed in the penetrating portion 30 in a deformed form. As a result, the plate-shaped members 1 and 2 are joined by the thermoplastic resin pins 10. (D) shows the state of the joined plate-shaped members 1 and 2.
上記実施例においては、板状部材１及び２を加熱装置２０内に入れて加熱する方法を示したが、板状部材１及び２に熱可塑性樹脂製ピン１０を最初に挿入しておいて加熱する方法も考えられる。また、板状部材１及び２に熱可塑性樹脂製ピン１０を挿入した後、例えば高周波加熱等の方法によりピン１０のみを加熱する方法も可能である。要するに、板状部材１及び２の貫通部３０内に熱可塑性樹脂製ピン１０を挿入した後で、熱可塑性樹脂製ピン１０を加熱変形させて固定できる方法であれば、このほかの方法でも良い。 In the above embodiment, the method of putting the plate-shaped members 1 and 2 into the heating device 20 and heating them is shown, but the thermoplastic resin pins 10 are first inserted into the plate-shaped members 1 and 2 and heated. There is also a way to do it. Further, after inserting the thermoplastic resin pins 10 into the plate-shaped members 1 and 2, it is also possible to heat only the pins 10 by a method such as high frequency heating. In short, any other method may be used as long as it is possible to insert the thermoplastic resin pin 10 into the penetrating portion 30 of the plate-shaped members 1 and 2 and then heat-deform and fix the thermoplastic resin pin 10. ..
図２は、板状部材１及び２上の貫通部３０の形状の例を示す。（ａ）から（ｆ）はＡ−Ａ’面における貫通孔の断面図である。（ａ）は一番単純な形状であるストレートの例を示す。（ｂ）は、貫通部の面積が板状部材の両面で異なる場合の一例で、貫通部３０の直径が直線的に小さくなるテーパータイプである。（ｃ）は（ｂ）と同様のテーパータイプであるが、直径が曲線的（円弧状）に変化する例である。（ｄ）も（ｂ）と同様のテーパータイプであるが、貫通部３０の直径が階段状に変化する例である。（ｂ）から（ｄ）についてはいずれも、直径の小さな面を向かい合わせて接合面としている。（ｅ）と（ｆ）は貫通部３０の片側のみ面取り部を設けた例である。（ｅ）は断面が直線的な面取りの例、（ｆ）は断面が曲線的な面取りの例である。（ｂ）から（ｆ）まではいずれも、貫通部３０の接合面側面積が反対側面積に比べて小さく設定された例である。これは、熱可塑性樹脂製ピン１０が熱により膨張した場合、抜けにくくなるという効果を生ずる。以上、貫通部３０の断面形状の例を示したが、これらに限定されるものでないことは明かである。 FIG. 2 shows an example of the shape of the penetrating portion 30 on the plate-shaped members 1 and 2. (A) to (f) are cross-sectional views of through holes on the AA'plane. (A) shows an example of a straight which is the simplest shape. (B) is an example in which the area of the penetrating portion differs on both sides of the plate-shaped member, and is a taper type in which the diameter of the penetrating portion 30 is linearly reduced. (C) is a taper type similar to (b), but is an example in which the diameter changes in a curved shape (arc shape). (D) is also a taper type similar to (b), but is an example in which the diameter of the penetrating portion 30 changes stepwise. In each of (b) to (d), surfaces having small diameters face each other to form a joint surface. (E) and (f) are examples in which a chamfered portion is provided only on one side of the penetrating portion 30. (E) is an example of chamfering with a straight cross section, and (f) is an example of chamfering with a curved cross section. Each of (b) to (f) is an example in which the area on the joint surface side of the penetrating portion 30 is set smaller than the area on the opposite side. This has the effect that when the thermoplastic resin pin 10 expands due to heat, it becomes difficult to pull it out. Although examples of the cross-sectional shape of the penetrating portion 30 have been shown above, it is clear that the cross-sectional shape is not limited to these.
以上の実施例では断面円状の貫通部について説明したが、長円或いは多角形とすることもできる。さらには、独立した貫通孔だけではなく、いずれかの端部が板状部材端面に達するようなスリット状の貫通部を採用することも可能である。 In the above embodiment, the penetrating portion having a circular cross section has been described, but it may be an oval or a polygon. Further, it is possible to adopt not only an independent through hole but also a slit-shaped through portion such that one of the ends reaches the end face of the plate-shaped member.
上記実施例においては、熱可塑性樹脂製ピンと記述した。接合強度の高さをあまり求められない用途においては熱可塑性樹脂であれば何でも使用することができる。しかし、高い接合強度を必要とする場合、できれば積層型の炭素繊維強化熱可塑性樹脂またはガラス繊維強化熱可塑性樹脂が望ましい。積層を行なうことにより樹脂自体の強度が高くなる。このような熱可塑性樹脂母材１１からピン１０を形成するわけであるが、図３に示したように、ピン１０端面に対して積層方向が直角であることが望ましい。ピン１０を形成した場合、積層方向に対する強度はこれと直角の方向に対して極めて高くなるからである。このようなピン１０を接合強度が求められる方向に合わせて使用することにより、より高い強度を得ることが可能となる。 In the above embodiment, it is described as a thermoplastic resin pin. Any thermoplastic resin can be used in applications where high bonding strength is not required so much. However, when high bonding strength is required, a laminated carbon fiber reinforced thermoplastic resin or a glass fiber reinforced thermoplastic resin is desirable if possible. The strength of the resin itself is increased by laminating. The pin 10 is formed from such a thermoplastic resin base material 11, and as shown in FIG. 3, it is desirable that the stacking direction is perpendicular to the end face of the pin 10. This is because when the pin 10 is formed, the strength in the stacking direction is extremely high in the direction perpendicular to the pin 10. By using such a pin 10 in the direction in which the bonding strength is required, it is possible to obtain a higher strength.
上記実施例においては板状部材として特に規定しなかった。本発明の趣旨からして、板状材料は熱可塑性樹脂製ピンより融点が高い必要がある。そのため、アルミニウムや鉄等の金属類や、セラミックが望ましいが、この特性を有する材料であればその種類は問わない。 In the above embodiment, the plate-shaped member is not particularly specified. For the purposes of the present invention, the plate-shaped material needs to have a higher melting point than the thermoplastic resin pin. Therefore, metals such as aluminum and iron and ceramics are desirable, but any material having this property can be used.
以上述べたように、本発明による板状部材の接合方法では、種々の加熱方法が利用できるため適用用途が広く、接合部材表面に突出部がないため狭い空間にも使用することが可能となる。また、場合によってはピンを再加熱することにより、接合部材同士を再分離することもできるため、種々の産業分野において有用となる。 As described above, the method for joining plate-shaped members according to the present invention has a wide range of applications because various heating methods can be used, and since there is no protrusion on the surface of the joining member, it can be used even in a narrow space. .. Further, in some cases, the joining members can be re-separated by reheating the pins, which is useful in various industrial fields.
１ 板状部材
２ 板状部材
１０ 熱可塑性樹脂製ピン
１１ 熱可塑性樹脂母材
２０ 加熱装置
３０ 貫通部
３１ 直線的面取り部
３２ 曲線的面取り部1 Plate-shaped member 2 Plate-shaped member 10 Thermoplastic resin pin 11 Thermoplastic resin base material 20 Heating device 30 Penetration part 31 Linear chamfering part 32 Curved chamfering part
Claims (9)
前記接合面同士が当接した状態で、前記ピンが溶融固化していることを特徴とする板状部材同士の固定手段。It has a concave portion for joining formed on the joint surface of the plate-shaped member to be joined, and a thermoplastic resin pin embedded between the two concave portions.
A means for fixing plate-shaped members to each other, wherein the pins are melted and solidified in a state where the joint surfaces are in contact with each other.
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