JP5526509B2 - Method for constructing joint structure and joint structure - Google Patents

Method for constructing joint structure and joint structure Download PDF

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JP5526509B2
JP5526509B2 JP2008202698A JP2008202698A JP5526509B2 JP 5526509 B2 JP5526509 B2 JP 5526509B2 JP 2008202698 A JP2008202698 A JP 2008202698A JP 2008202698 A JP2008202698 A JP 2008202698A JP 5526509 B2 JP5526509 B2 JP 5526509B2
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adhesive
curing reaction
adherend
reaction heat
bonded
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JP2010036477A (en
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雄也 氷室
力 田中
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Mazda Motor Corp
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  • Lining Or Joining Of Plastics Or The Like (AREA)
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Description

本発明は、車体を構成する板金部材どうし等が接合された接合構造の構築方法および接合構造に関する。   The present invention relates to a method for constructing a joint structure in which sheet metal members constituting a vehicle body are joined, and a joint structure.

従来、車体を構成する板金部材どうしを接合する手段等として、スポット溶接やレーザ溶接等の溶接技術、あるいは接着剤による接着方法が採用されている。   Conventionally, a welding technique such as spot welding or laser welding or a bonding method using an adhesive has been adopted as a means for joining sheet metal members constituting a vehicle body.

特に、近年では、特許文献１に開示されているように、外部から一部に付与されたエネルギーによって内部エネルギーを自己発生させつつ硬化する接着剤であって、この内部エネルギーが発生した部位に隣接する部分がこの内部エネルギーを受けてさらに内部エネルギーを自己発生させつつ硬化反応を起こすことにより連鎖的に硬化していく連鎖反応型の接着剤を用いる接着方法が注目されている。この接着剤を用いる方法では、接着部材に接着剤を塗布し、この接着剤の所定箇所にエネルギーを付与することで接着剤を順次硬化させていく。そして、この接着剤の硬化により接着部材どうしを接合する。
特開平１１−１９３３２２号公報 In particular, in recent years, as disclosed in Patent Document 1, it is an adhesive that hardens while self-generating internal energy by energy applied to a part from the outside, and is adjacent to the site where the internal energy is generated. An adhesion method using a chain-reaction type adhesive in which a portion that receives the internal energy receives the internal energy and further undergoes a curing reaction while self-generating the internal energy is attracting attention. In this method using an adhesive, the adhesive is applied to the adhesive member, and the adhesive is sequentially cured by applying energy to a predetermined portion of the adhesive. Then, the adhesive members are joined together by curing the adhesive.
JP-A-11-193322

前記連鎖反応型の接着剤を用いる方法では、前記接着剤内でエネルギーが適切に伝達され、このエネルギーによって接着剤が順次硬化可能な所定の温度にまで暖められる必要がある。しかしながら、前記接着部材の種類等によっては、この接着部材が接着剤に加えられた熱または硬化反応熱を奪うことで接着剤内でのエネルギー伝達が適切に行なわれず、接着剤の硬化反応が途中で停止する場合がある。また、接着剤の硬化が不均一となり、接合強度が十分に得られなくなるおそれがある。   In the method using the chain reaction type adhesive, energy is appropriately transmitted in the adhesive, and the energy needs to be heated to a predetermined temperature at which the adhesive can be sequentially cured. However, depending on the type of the adhesive member and the like, the adhesive member takes away heat applied to the adhesive or heat of the curing reaction, so that energy transfer in the adhesive is not performed properly, and the curing reaction of the adhesive is not completed. May stop at. Further, the curing of the adhesive becomes non-uniform, and there is a possibility that sufficient bonding strength cannot be obtained.

本発明は、前記のような事情に鑑みてなされたものであり、接着剤の硬化反応の連鎖を維持し、接合強度を確保することのできる接合構造の構築方法および接合構造を提供する。   This invention is made | formed in view of the above situations, and provides the construction method and joining structure of a joining structure which can maintain the chain | strand of the hardening reaction of an adhesive agent and can ensure joining strength.

前記課題を解決するために本発明は、第１接着部材と当該第１接着部材よりも熱伝導率あるいは熱容量の少なくとも一方が小さい第２接着部材とが、当該第１接着部材および第２接着部材に対して特定の方向に離間した位置に配置される被接着部材にそれぞれ接合された接合構造を構築する接合構造の構築方法であって、外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化する連鎖反応型の第１接着剤を前記第１接着部材と前記被接着部材との間に配置するとともに、外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化する連鎖反応型の第２接着剤を、前記第１接着剤と接触させた状態で、前記第２接着部材と前記被接着部材との間に配置する接着剤配置工程と、前記接着剤配置工程の後に実施されて、前記第１接着剤および第２接着剤の少なくとも一方にエネルギーを付与して当該第１接着剤および第２接着剤を硬化させて、前記第１接着部材と前記被接着部材および前記第２接着部材と前記被接着部材とを接合する硬化工程とを備え、前記接着剤配置工程では、前記第１接着剤の前記特定方向の厚みが前記第２接着剤の前記特定方向の厚みよりも大きくなるように、前記第１接着剤を配置することを特徴とする接合構造の構築方法を提供する（請求項１）。
In order to solve the above-mentioned problems, the present invention provides a first adhesive member and a second adhesive member, wherein the first adhesive member and the second adhesive member having at least one of thermal conductivity or heat capacity smaller than that of the first adhesive member are the first adhesive member and the second adhesive member. A construction method of a joint structure for constructing a joint structure respectively joined to a member to be bonded arranged at a position separated in a specific direction with respect to the curing reaction heat by energy given to a part from the outside with curing while generating, the chain reaction type portion adjacent to the site where the curing reaction heat is generated to cure a chain reaction by causing a curing reaction while generating further curing reaction heat by receiving the curing reaction heat with the first adhesive is disposed between the bonded component and the first adhesive member is cured while generating a curing reaction heat by the energy imparted to the part from the outside Both the second adhesive portion of the chain reaction type that cures a chain reaction by causing a curing reaction while generating a further curing reaction heat by receiving the curing reaction heat adjacent to the site where the curing reaction heat is generated The first adhesive is carried out after the adhesive placement step of placing the second adhesive member and the adherend member in contact with the first adhesive, and the adhesive placement step. Energy is applied to at least one of the adhesive and the second adhesive to cure the first adhesive and the second adhesive, and the first adhesive member, the adherend member, and the second adhesive member, and the adherend. A curing step for joining the members, and in the adhesive placement step, the first adhesive has a thickness in the specific direction that is greater than a thickness of the second adhesive in the specific direction. 1 Place the adhesive Provides a method for constructing a joint structure according to claim (Claim 1).

この方法によれば、前記第１接着剤の厚みが前記第２接着剤の厚みよりも大きく形成されていることにより、第１接着部材側に熱が多く奪われても硬化反応の連鎖を維持することができる。   According to this method, since the thickness of the first adhesive is formed larger than the thickness of the second adhesive, the chain of curing reaction is maintained even if a large amount of heat is deprived on the first adhesive member side. can do.

すなわち、熱伝導率あるいは熱容量の大きな第１接着部材側では第１接着剤からの熱の吸収が多いため、第１接着剤の温度が十分に上昇しなくて硬化が妨げられるおそれがあるが、本方法では、前記第１接着剤の厚みを大きくすることで総発熱量を多くして、第１接着部材側に奪われる熱を補うことにより、第１接着剤の硬化反応を確実に進行させることができる。   In other words, the first adhesive member having a large thermal conductivity or heat capacity has a large amount of heat absorbed from the first adhesive, so that the temperature of the first adhesive does not rise sufficiently and the curing may be hindered. In this method, by increasing the thickness of the first adhesive, the total calorific value is increased and the heat deprived to the first adhesive member side is compensated for, so that the curing reaction of the first adhesive is reliably advanced. be able to.

また、本方法において、前記第１接着剤と前記第２接着剤とが、同一成分の接着剤からなるのが好ましい（請求項２）。   In the present method, it is preferable that the first adhesive and the second adhesive are made of the same component adhesive.

このようにすれば、同じ接着剤をその厚みを変えて前記第１接着部材および前記第２接着部材と前記被接着部材との間に配置するだけでよい。つまり、各接着剤が同一成分であるので、各接着剤の厚みの設定が容易になる。   In this way, it is only necessary to dispose the same adhesive between the first adhesive member, the second adhesive member, and the adherend member while changing the thickness thereof. That is, since each adhesive is the same component, the thickness of each adhesive can be easily set.

また、本方法は、前記接着剤配置工程の前に実施されて、前記第１接着部材と前記第２接着部材とを互いに接合する接合工程を備えるものも含む（請求項３）。   Moreover, this method is implemented before the said adhesive arrangement | positioning process, and also includes what has the joining process of mutually joining the said 1st adhesive member and the said 2nd adhesive member (Claim 3).

ここで、前記被接着部材のうち前記第１接着部材および前記第２接着部材と接合される被接着部が、平坦な形状を有している場合に、前記接合工程にて、前記第１接着部材のうち前記被接着部と接合される第１接着部が、前記第２接着部材のうち前記被接着部と接合される第２接着部よりも外側に突出するように、前記第１接着部材と前記第２接着部材とをテーラードブランク工法により接合およびプレス成形し、前記接着剤配置工程にて、前記被接着部と前記第１接着部との間に前記第１接着剤を配置するとともに、前記被接着部と前記第２接着部との間に前記第２接着剤を配置するのが好ましい（請求項４）。
Here, wherein when the bonded portion is bonded to the first adhesive member and the second adhesive member of the bonded component is to have a Tan Taira-shaped, in the joining step, the first The first bonding is performed such that a first bonding portion bonded to the bonded portion of the bonding member protrudes outside a second bonding portion bonded to the bonded portion of the second bonding member. A member and the second adhesive member are joined and press-molded by a tailored blank method, and the first adhesive is disposed between the adherend and the first adhesive in the adhesive disposing step. Preferably, the second adhesive is disposed between the adherend and the second adhesive portion (claim 4).

このようにすれば、前記被接着部と前記第１接着部との距離を前記被接着部と前記第２接着部との距離よりも容易に大きくすることができ、前記被接着部と前記第１接着部との間に配置される第１接着剤の厚さを、前記被接着部と前記第２接着部との間に配置される第２接着剤の厚さよりも容易に厚くすることができる。   In this way, the distance between the adherend portion and the first adherent portion can be easily made larger than the distance between the adherend portion and the second adherent portion. The thickness of the first adhesive disposed between the first adhesive portion and the first adhesive portion may be easily made thicker than the thickness of the second adhesive disposed between the adherend portion and the second adhesive portion. it can.

また、本発明は、第１接着部材と第２接着部材とが当該第１接着部材および第２接着部材に対して特定の方向に離間した位置に配置された被接着部材にそれぞれ接合される接合構造であって、前記第１接着部材と前記被接着部材との間に配置されて、外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化して、前記第１接着部材と前記被接着部材とを接合する第１接着剤と、前記第２接着部材と前記被接着部材との間に前記第１接着剤に接触した状態で配置されて、外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化して、前記第２接着部材と前記被接着部材とを接合する第２接着剤を備え、第１接着部材は、その熱伝導率あるいは熱容量の少なくとも一方が前記第２接着部材の熱伝導率あるいは熱容量よりも大きく、前記第１接着剤は、その前記特定方向の厚みが前記第２接着剤の前記特定方向の厚みよりも大きいことを特徴とする接合構造を提供する（請求項５）。
In the present invention, the first adhesive member and the second adhesive member are respectively joined to the adherend members arranged at positions separated from the first adhesive member and the second adhesive member in a specific direction. The structure is disposed between the first adhesive member and the adherend member, and cures while generating curing reaction heat by energy applied to a part from the outside, and the curing reaction heat is generated. The portion adjacent to the part that has been subjected to this curing reaction heat and further causing a curing reaction while generating a curing reaction heat causes the chain curing to occur, and the first adhesive member and the adherend member are joined together. The adhesive is disposed between the first adhesive, the second adhesive member, and the adherend in contact with the first adhesive, and the curing reaction heat is generated by the energy applied to a part from the outside. When it hardens , The portion adjacent to the site where the curing reaction heat is generated hardens like a chain reaction by causing a curing reaction while generating a further curing reaction heat by receiving the curing reaction heat, the said second adhesive member A second adhesive for joining the member to be adhered, wherein the first adhesive member has at least one of thermal conductivity or heat capacity larger than the thermal conductivity or heat capacity of the second adhesive member; Provides a joining structure characterized in that the thickness in the specific direction is larger than the thickness in the specific direction of the second adhesive (Claim 5).

この構造では、前記第１接着剤の厚みが大きいことにより、第１接着剤の総発熱量が多くなるため、第１接着剤への外部からの影響を抑制してこの第１接着剤内での硬化反応をより確実に進行させることができる。すなわち、熱伝導率あるいは熱容量が前記第２接着部材よりも大きい第１接着部材側に熱が多く奪われても、第１接着剤の総発熱量が多くなることにより第１接着剤の温度を十分に上昇させることができ、第１接着剤の硬化反応を確実に進行させることができる。   In this structure, since the total heat generation amount of the first adhesive increases because the thickness of the first adhesive is large, the influence from the outside on the first adhesive is suppressed, The curing reaction can proceed more reliably. That is, even if a large amount of heat is deprived to the first adhesive member whose thermal conductivity or heat capacity is larger than that of the second adhesive member, the temperature of the first adhesive is increased by increasing the total heat generation amount of the first adhesive. It can be raised sufficiently and the curing reaction of the first adhesive can be reliably advanced.

ここで、前記第１接着剤と前記第２接着剤の具体的構成は特に限定されないが、前記第１接着剤と前記第２接着剤とが、同一成分の接着剤からなるものが挙げられる（請求項６）。   Here, although the specific structure of the said 1st adhesive agent and the said 2nd adhesive agent is not specifically limited, what the said 1st adhesive agent and the said 2nd adhesive agent consist of the adhesive agent of the same component is mentioned ( Claim 6).

また、本発明は、前記第１接着部材が、前記第２接着部材と接触した状態で当該第２接着部材に接合されているものも含む（請求項７）。 Further, the present invention, the first adhesive member, including before Symbol contact with second adhesive member those engaged against the said second adhesive member (claim 7).

ここで、前記第１接着部材と前記第２接着部材との接合構造は特に限定されるものではないが、前記被接着部材のうち前記第１接着部材および前記第２接着部材と接合される被接着部が、平坦な形状を有しており、前記第１接着部材のうち前記被接着部と接合される第１接着部が、前記第２接着部材のうち前記被接着部と接合される第２接着部よりも外側に突出しているのが好ましい（請求項８）。 Here, although not particularly limited joint structure of the prior SL first adhesive member and the second adhesive member is bonded to the first adhesive member and the second adhesive member of the bonded component the bonded portion has a Tan Taira shape, the first adhesive portion is bonded to the adherend portion of the first adhesive member is bonded to the adherend portion of the second adhesive member It is preferable to protrude outward from the second bonding portion.

このようにすれば、前記被接着部と前記第１接着部との距離が前記被接着部と前記第２接着部との距離よりも大きくなるため、前記被接着部と前記第１接着部との間に配置される第１接着剤の厚さを、前記被接着部と前記第２接着部との間に配置される第２接着剤の厚さよりも容易に厚くすることができる。   In this case, since the distance between the bonded portion and the first bonded portion is larger than the distance between the bonded portion and the second bonded portion, the bonded portion and the first bonded portion The thickness of the 1st adhesive agent arrange | positioned between can be easily made thicker than the thickness of the 2nd adhesive agent arrange | positioned between the said to-be-adhered part and the said 2nd adhesion part.

以上のように、本発明によれば、接着剤の硬化反応の連鎖を維持し、接着部材間のより均一な接合を実現するとともにこれら接着部材間の接合強度を確保することができる。   As described above, according to the present invention, it is possible to maintain the chain of the curing reaction of the adhesive, realize more uniform bonding between the adhesive members, and ensure the bonding strength between these adhesive members.

以下、図面を参照しつつ、本発明に係る接合構造の構築方法の好ましい実施の形態について説明する。ここでは、自動車のセンタピラー（いわゆるＢピラー）付近に前記接合構造１００が構築される場合について説明する。前記センタピラーは、サイドフレームアウタパネル（被接着部材）１０とセンタピラーインナパネル２０とで構成される。   Hereinafter, a preferred embodiment of a method for constructing a joint structure according to the present invention will be described with reference to the drawings. Here, the case where the joining structure 100 is constructed near the center pillar (so-called B pillar) of the automobile will be described. The center pillar includes a side frame outer panel (bonded member) 10 and a center pillar inner panel 20.

図１は前記センタピラーインナパネル２０の概略平面図であり、図２は図１のＩＩ−ＩＩ線断面図であり、図３は図１のＩＩＩ−ＩＩＩ線断面図である。このセンタピラーインナパネル２０は、車体下部に配置される第１パネル３０（第１接着部材）と、車体上部に配置される第２パネル４０（第２接着部材）とで構成されている。図３に示すように、前記第１パネル３０と前記第２パネル４０とは、互いに厚みが異なっており、例えば、前記第１パネル３０の厚みｔ１は２．０ｍｍであり、第２パネル４０の厚みｔ２は１．２ｍｍである。前記センタピラーインナパネル２０は、後述するように、テーラードブランク工法により、前記第１パネル３０を構成するアルミ板と前記第２パネル４０を構成するアルミ板とがレーザー溶接等により一体に接合された後プレス加工されることで形成されている。ここで、厚みの違いに伴い、第１パネル３０は、前記第２パネル４０の熱容量よりも大きな熱容量を有している。   1 is a schematic plan view of the center pillar inner panel 20, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, and FIG. 3 is a sectional view taken along the line III-III of FIG. The center pillar inner panel 20 includes a first panel 30 (first adhesive member) disposed at the lower part of the vehicle body and a second panel 40 (second adhesive member) disposed at the upper part of the vehicle body. As shown in FIG. 3, the first panel 30 and the second panel 40 have different thicknesses. For example, the thickness t1 of the first panel 30 is 2.0 mm. The thickness t2 is 1.2 mm. As will be described later, the center pillar inner panel 20 is formed by integrally bonding an aluminum plate constituting the first panel 30 and an aluminum plate constituting the second panel 40 by laser welding or the like by a tailored blank method. It is formed by post-pressing. Here, with the difference in thickness, the first panel 30 has a larger heat capacity than the heat capacity of the second panel 40.

本実施形態では、図３に示すように、前記第１パネル３０と第２パネル４０とは、第１パネル３０が第２パネル４０よりも車体内側に突出した状態で接合されている。また、前記プレス加工により、第１パネル３０にはフランジ３４（以下、第１インナフランジ３４という）が形成され、前記第２パネル４０には前記第１インナフランジ３４に連続するフランジ４４（以下、第２インナフランジ４４という）が形成されている。   In the present embodiment, as shown in FIG. 3, the first panel 30 and the second panel 40 are joined in a state in which the first panel 30 protrudes to the vehicle body inner side than the second panel 40. In addition, a flange 34 (hereinafter referred to as a first inner flange 34) is formed on the first panel 30 by the press working, and a flange 44 (hereinafter referred to as a first inner flange 34) is formed on the second panel 40. 2nd inner flange 44) is formed.

前記第２パネル４０の第２インナフランジ４４には、図２に示すように、その車体外側表面４４ａ（第１接着部）と車体内側表面４４ｂとを貫通する貫通孔４６が形成されている。   As shown in FIG. 2, the second inner flange 44 of the second panel 40 is formed with a through hole 46 that penetrates the vehicle body outer surface 44a (first adhesive portion) and the vehicle body inner surface 44b.

図４は、前記サイドフレームアウタパネル１０の概略平面図であり、図５は、図４のＶ−Ｖ線断面図である。このサイドフレームアウタパネル１０には、フロントドアが取り付けられるフロント開口部１１と、リアドアが取り付けられるリア開口部１２とが形成されている。そして、前記フロント開口部１１の周囲およびリア開口部１２の周囲には、図２に示すようにフランジ１４（以下、アウタフランジ１４と言う）が形成されている。本実施形態では、このサイドフレームアウタパネル１０の少なくともアウタフランジ１４は、その厚みｔ３（図８参照）が１．２ｍｍのアルミ板からなる。このアウタフランジ１４の車体内側表面１４ａは平坦な形状を有している。   4 is a schematic plan view of the side frame outer panel 10, and FIG. 5 is a cross-sectional view taken along the line VV of FIG. The side frame outer panel 10 is formed with a front opening 11 to which a front door is attached and a rear opening 12 to which a rear door is attached. A flange 14 (hereinafter referred to as an outer flange 14) is formed around the front opening 11 and the rear opening 12 as shown in FIG. In the present embodiment, at least the outer flange 14 of the side frame outer panel 10 is made of an aluminum plate having a thickness t3 (see FIG. 8) of 1.2 mm. The vehicle body inner surface 14a of the outer flange 14 has a flat shape.

前記サイドフレームアウタパネル１０と前記センタピラーインナパネル２０とは、図１０等に示すように、サイドフレームアウタパネル１０のうち前記フロント開口部１１と前記リア開口部１２との間の領域にセンタピラーインナパネル２０が取り付けられて、前記アウタフランジ１４と前記センタピラーインナパネル２０の第１インナフランジ３４および第２インナフランジ４４とが接着剤４で接着されることで互いに接合される。具体的には、図９等に示すように、アウタフランジ１４の車体内側表面（被接着部）１４ａと、第１インナフランジ３４の車体外側表面（第１接着部）３４ａおよび第２インナフランジ４４の車体外側表面４４ａとが接着剤４により接着される。そして、この接着により、前記第１インナフランジ３４と前記第２インナフランジ４４とが、前記サイドフレームアウタパネル１０および接着剤４を介して接合される。   As shown in FIG. 10 and the like, the side frame outer panel 10 and the center pillar inner panel 20 are center pillar inner panels in a region between the front opening 11 and the rear opening 12 in the side frame outer panel 10. 20 is attached, and the outer flange 14 and the first inner flange 34 and the second inner flange 44 of the center pillar inner panel 20 are bonded to each other by being bonded with an adhesive 4. Specifically, as shown in FIG. 9 and the like, the inner surface (adhered portion) 14a of the outer flange 14, the outer surface (first adhesive portion) 34a of the first inner flange 34, and the second inner flange 44 are provided. The vehicle body outer surface 44 a is bonded by the adhesive 4. Then, by this adhesion, the first inner flange 34 and the second inner flange 44 are joined via the side frame outer panel 10 and the adhesive 4.

本接合構造の構築方法では、前記接着剤４に連鎖反応型の接着剤を用いる。具体的には、この接着剤４として、光重合性樹脂（主としてエポキシ樹脂、特に好ましくは脂環式エポキシ樹脂）、光・熱重合開始剤（芳香族スルホニウム塩等）、および光重合開始剤（スルホニウム塩等）を主成分とする樹脂組成物であって、紫外線、電子線、Ｘ線、赤外線、太陽光線、可視光線、レーザビーム（エキシマレーザ、ＣＯ２レーザ等）、熱線（放射や輻射熱等）等のエネルギー線、或いは熱等の所定量のエネルギーが付与されることによって、その内部にカチオンと硬化反応熱とを積極的に発生させ、これらカチオンと硬化反応熱とによって、連鎖的に硬化反応するものを用いる。 In the method for constructing the bonded structure, a chain reaction type adhesive is used as the adhesive 4. Specifically, the adhesive 4 includes a photopolymerizable resin (mainly an epoxy resin, particularly preferably an alicyclic epoxy resin), a photo / thermal polymerization initiator (such as an aromatic sulfonium salt), and a photopolymerization initiator ( A resin composition mainly composed of a sulfonium salt, etc., including ultraviolet rays, electron beams, X-rays, infrared rays, solar rays, visible rays, laser beams (excimer laser, CO 2 laser, etc.), heat rays (radiation, radiant heat, etc.) ), Etc., or a predetermined amount of energy, such as heat, is applied to positively generate cations and heat of curing reaction in the interior, and the cations and curing heat of reaction cause chain curing. Use what reacts.

また、前記接着剤４を塗布するための接着剤塗布装置１１０として、図６に示すような装置を用いる。この接着剤塗布装置１１０は、図略のタンクに貯留されている接着剤４を吐出するノズル１１２と、前記接着剤４を前記ノズル１１２に導くホース１１４と、前記ノズル１１２を駆動する駆動ロボット１１５とを有している。   Further, as the adhesive application device 110 for applying the adhesive 4, an apparatus as shown in FIG. 6 is used. The adhesive application device 110 includes a nozzle 112 that discharges the adhesive 4 stored in a tank (not shown), a hose 114 that guides the adhesive 4 to the nozzle 112, and a drive robot 115 that drives the nozzle 112. And have.

前記接着剤４等を用いた本接合構造の構築方法は、次の各工程を含む。   The construction method of the present joint structure using the adhesive 4 or the like includes the following steps.

１）テーラードブランク工程
この工程は、前述のように、前記第１パネル３０と第２パネル４０とを有するセンタピラーインナパネル２０を形成する工程である。 1) Tailored Blank Step This step is a step of forming the center pillar inner panel 20 having the first panel 30 and the second panel 40 as described above.

この工程では、まず、前記第１パネル３０を構成する第１のアルミ板と、このアルミ板よりも厚みが薄い前記第２パネル４０を構成する第２のアルミ板とをレーザー等により溶接する。そして、溶接により一つの素材となったアルミ板をプレス加工し、前記第１のアルミ板により前記第１インナフランジ３４を有する第１パネル３０を形成するとともに、前記第２のアルミ板により前記第２フランジ４４を有する第２パネル４０を形成する。このようにして、本工程では、前記第１パネル３０と第２パネル４０とが一体に溶接されたセンタピラーインナパネル２０を形成する。   In this step, first, a first aluminum plate constituting the first panel 30 and a second aluminum plate constituting the second panel 40 having a thickness smaller than that of the aluminum plate are welded by a laser or the like. Then, the aluminum plate that is made into one material by welding is pressed to form the first panel 30 having the first inner flange 34 by the first aluminum plate, and the second aluminum plate makes the first panel. A second panel 40 having two flanges 44 is formed. In this way, in this step, the center pillar inner panel 20 in which the first panel 30 and the second panel 40 are integrally welded is formed.

２）接着剤配置工程
この工程は、前記第１インナフランジ３４と前記アウタフランジ１４との間および第２インナフランジ４４と前記アウタフランジ１４との間に前記接着剤４を配置する工程である。 2) Adhesive placement step This step is a step of placing the adhesive 4 between the first inner flange 34 and the outer flange 14 and between the second inner flange 44 and the outer flange 14.

この工程では、まず、図７に示すように、前記アウタフランジ１４の車体内側表面１４ａに接着剤４を塗布する。具体的には、前記接着剤塗布装置１１０の駆動ロボット１１５を駆動させて、前記ノズル１１２から、前記接着剤４を、前記アウタフランジ１４の車体内側表面１４ａ上に吐出していく。   In this step, first, as shown in FIG. 7, the adhesive 4 is applied to the vehicle body inner surface 14 a of the outer flange 14. Specifically, the drive robot 115 of the adhesive application device 110 is driven to discharge the adhesive 4 from the nozzle 112 onto the vehicle body inner surface 14 a of the outer flange 14.

次に、図８に示すように、前記第１インナフランジ３４および第２インナフランジ４４が前記アウタフランジ１４の車体内側表面１４ａ側に向くようにして、前記センタピラーインナパネル２０を前記アウタフランジ１４に塗布された接着剤４の上に載置する。このとき、第１インナフランジ３４の車体外側表面３４ａと接着剤４とが密着するように、かつ、第２インナフランジ４４の車体外側表面４４ａと接着剤４とが密着するように、各車体外側表面３４ａ，４４ａと前記アウタフランジ１４の車体内側表面１４ａとの間で接着剤４を挟み込む。   Next, as shown in FIG. 8, the center pillar inner panel 20 is moved to the outer flange 14 such that the first inner flange 34 and the second inner flange 44 face the vehicle body inner surface 14 a side of the outer flange 14. It is placed on the adhesive 4 applied to. At this time, the vehicle body outer surface 34a of the first inner flange 34 and the adhesive 4 are in close contact with each other, and the vehicle body outer surface 44a of the second inner flange 44 and the adhesive 4 are in close contact with each other. The adhesive 4 is sandwiched between the surfaces 34 a and 44 a and the vehicle body inner surface 14 a of the outer flange 14.

前述のように前記第１パネル３０は前記第２パネル４０よりも車体内側に突出しており、第１インナフランジ３４の車体外側表面３４ａの方が、第２インナフランジ４４の車体外側表面４４ａよりも車体内側に位置している。これに対して、前記アウタフランジ１４の車体内側表面１４ａは平坦な形状を有している。従って、前記のようにして接着剤４を挟み込んだ状態において、前記第１インナフランジ３４とアウタフランジ１４との離間距離の方が、前記第２インナフランジ４４とアウタフランジ１４との離間距離よりも遠く、第１インナフランジ３４とアウタフランジ１４との間に配置された接着剤４（第１接着剤）の厚みｄ１（図８参照）の方が、第２インナフランジ４４とアウタフランジ１４との間に配置された接着剤４（第２接着剤）の厚みｄ２（図８参照）よりも厚くなる。本実施形態では、前記厚みｄ１を１．４ｍｍとし、厚みｄ２を１．０ｍｍとしている。   As described above, the first panel 30 protrudes to the vehicle body inner side than the second panel 40, and the vehicle body outer surface 34a of the first inner flange 34 is more than the vehicle body outer surface 44a of the second inner flange 44. Located inside the car body. On the other hand, the vehicle body inner surface 14a of the outer flange 14 has a flat shape. Therefore, in the state where the adhesive 4 is sandwiched as described above, the distance between the first inner flange 34 and the outer flange 14 is larger than the distance between the second inner flange 44 and the outer flange 14. The thickness d1 (see FIG. 8) of the adhesive 4 (first adhesive) disposed between the first inner flange 34 and the outer flange 14 is far away from the second inner flange 44 and the outer flange 14. It becomes thicker than the thickness d2 (see FIG. 8) of the adhesive 4 (second adhesive) disposed therebetween. In the present embodiment, the thickness d1 is 1.4 mm and the thickness d2 is 1.0 mm.

３）硬化工程
この工程は、前記接着剤４を硬化させて、前記第２インナフランジ４４とアウタフランジ１４および前記第１インナフランジ３４とアウタフランジ１４とを接合する工程である。 3) Curing Step This step is a step of curing the adhesive 4 to join the second inner flange 44 and the outer flange 14 and the first inner flange 34 and the outer flange 14.

この工程では、図９に示すように、紫外線を照射可能な周知の装置であるＵＶ照射装置１３０により前記接着剤４に紫外線を照射する。具体的には、前記紫外線を前記第２インナフランジ４４に形成された貫通孔４６の内側に照射して、この貫通孔４６にて露出している前記接着剤４に紫外線を照射する。紫外線が照射された接着剤４はその内部にカチオンと硬化反応熱とを発生させつつ硬化を開始する。前記貫通孔４６付近で発生した接着剤４の硬化反応は、車体下部側において、前記第２インナフランジ４４と前記アウタフランジ１４との間で進行した後、第１インナフランジ３４と前記アウタフランジ１４との間で進行していく。   In this step, as shown in FIG. 9, the adhesive 4 is irradiated with ultraviolet rays by a UV irradiation device 130 which is a known device capable of irradiating ultraviolet rays. Specifically, the ultraviolet light is applied to the inside of a through hole 46 formed in the second inner flange 44, and the adhesive 4 exposed in the through hole 46 is irradiated with the ultraviolet light. The adhesive 4 irradiated with ultraviolet rays starts curing while generating cations and heat of curing reaction therein. The curing reaction of the adhesive 4 generated in the vicinity of the through hole 46 proceeds between the second inner flange 44 and the outer flange 14 on the lower side of the vehicle body, and then the first inner flange 34 and the outer flange 14. And proceed with.

ここで、前述のように、前記第１インナフランジ３４は、前記第２インナフランジ４４よりも大きな熱容量を有しており、同じエネルギーを受けた場合においてその温度上昇率は前記第２インナフランジ４４の温度上昇率よりも小さくなる。そのため、第１インナフランジ３４とアウタフランジ１４との間の接着剤４の厚みｄ１と第２インナフランジ４４とアウタフランジ１４との間の接着剤４の厚みｄ２とが同一の場合には、接着剤４の硬化反応熱を受けて第１インナフランジ３４および第２インナフランジ４４が暖められた際に、接着剤４と前記第１インナフランジ３４との温度差の方が接着剤４と前記第２インナフランジ４４側との温度差よりも大きくなってしまう。そして、前記温度差に伴い前記第１インナフランジ３４側にて接着剤４からの放熱量が特に大きくなり接着剤４の硬化反応熱がこの第１インナフランジ３４側に奪われる結果、接着剤４の硬化反応熱が適切に伝達されずに、接着剤４の硬化が不均一となる、あるいは、接着剤４の硬化が途中で停止するといった事態が生じる。   Here, as described above, the first inner flange 34 has a larger heat capacity than the second inner flange 44, and when the same energy is received, the rate of temperature increase is the second inner flange 44. It becomes smaller than the temperature rise rate. Therefore, when the thickness d1 of the adhesive 4 between the first inner flange 34 and the outer flange 14 and the thickness d2 of the adhesive 4 between the second inner flange 44 and the outer flange 14 are the same, the adhesive When the first inner flange 34 and the second inner flange 44 are warmed by receiving the curing reaction heat of the agent 4, the temperature difference between the adhesive 4 and the first inner flange 34 is greater than that of the adhesive 4 and the first inner flange 34. It becomes larger than the temperature difference with the 2 inner flange 44 side. As a result of the temperature difference, the amount of heat released from the adhesive 4 becomes particularly large on the first inner flange 34 side, and the curing reaction heat of the adhesive 4 is deprived to the first inner flange 34 side. If the curing reaction heat is not properly transmitted, the curing of the adhesive 4 becomes uneven or the curing of the adhesive 4 stops halfway.

しかしながら、本方法では、前記接着剤配置工程において、第１インナフランジ３４とアウタフランジ１４との間の接着剤４の厚みｄ１を、第２インナフランジ４４とアウタフランジ１４との間の接着剤４の厚みｄ２よりも厚くしていることにより、第１インナフランジ３４とアウタフランジ１４との間の接着剤４の総発熱量が多くなる。そのため、第１インナフランジ３４とアウタフランジ１４との間の接着剤４の温度は十分な高温に維持され、前記貫通孔４６付近から開始した接着剤４の硬化反応は、前記第２インナフランジ４４と前記アウタフランジ１４との間および第１インナフランジ３４とアウタフランジ１４との間にわたって適切に進行していく。すなわち、この工程において、前記接着剤４は順次確実に硬化していき、前記第２インナフランジ４４とアウタフランジ１４および前記第１インナフランジ３４とアウタフランジ１４とを均一に接合していく。   However, in this method, in the adhesive placement step, the thickness d1 of the adhesive 4 between the first inner flange 34 and the outer flange 14 is set to be the adhesive 4 between the second inner flange 44 and the outer flange 14. By making it thicker than the thickness d2, the total heat generation amount of the adhesive 4 between the first inner flange 34 and the outer flange 14 increases. Therefore, the temperature of the adhesive 4 between the first inner flange 34 and the outer flange 14 is maintained at a sufficiently high temperature, and the curing reaction of the adhesive 4 started from the vicinity of the through hole 46 is caused by the second inner flange 44. And the outer flange 14 and the first inner flange 34 and the outer flange 14 appropriately. In other words, in this step, the adhesive 4 is gradually and securely cured, and the second inner flange 44 and the outer flange 14 and the first inner flange 34 and the outer flange 14 are uniformly joined.

以上のように、本接合構造の構築方法では、前記第１インナフランジ３４と前記アウタフランジ１４との間の接着剤４の厚みを、前記第２インナフランジ４４と前記アウタフランジ１４との間の接着剤４の厚みよりも厚くすることで、熱容量の大きな第１インナフランジ３４側での放熱ひいては接着剤４の硬化反応熱の偏った移動を抑制し、前記第２インナフランジ４４とアウタフランジ１４および前記第１インナフランジ３４とアウタフランジ１４とをより確実に、かつ、より均一に接合することができる。   As described above, in the construction method of the present joint structure, the thickness of the adhesive 4 between the first inner flange 34 and the outer flange 14 is set between the second inner flange 44 and the outer flange 14. By making it thicker than the thickness of the adhesive 4, heat radiation on the side of the first inner flange 34 having a large heat capacity, and hence the uneven movement of the curing reaction heat of the adhesive 4 is suppressed, and the second inner flange 44 and the outer flange 14 are suppressed. And the said 1st inner flange 34 and the outer flange 14 can be joined more reliably and more uniformly.

ここで、本方法では、前記第１インナフランジ３４の熱容量が第２インナフランジ４４の熱容量と同一である一方、第１インナフランジ３４の熱伝導率が第２インナフランジ４４の熱伝導率よりも大きい場合にも、前記実施形態と同様の効果を奏することができる。すなわち、前記第１インナフランジ３４の熱伝導率が前記第２インナフランジ４４の熱伝導率よりも大きい場合にも、第１インナフランジ３４での放熱量の方が第２インナフランジ４４での放熱量よりも大きくなるため、前記第１インナフランジ３４側に配置する接着剤４の厚みを厚くすれば、第１インナフランジ３４側での放熱量を抑制して、前記第２インナフランジ４４とアウタフランジ１４および前記第１インナフランジ３４とアウタフランジ１４とをより確実に、かつ、より均一に接合することができる。   Here, in this method, the heat capacity of the first inner flange 34 is the same as the heat capacity of the second inner flange 44, while the heat conductivity of the first inner flange 34 is higher than the heat conductivity of the second inner flange 44. Even when it is large, the same effects as those of the embodiment can be obtained. That is, even when the thermal conductivity of the first inner flange 34 is larger than the thermal conductivity of the second inner flange 44, the amount of heat dissipated by the first inner flange 34 is greater than that of the second inner flange 44. Therefore, if the thickness of the adhesive 4 disposed on the first inner flange 34 side is increased, the amount of heat released on the first inner flange 34 side is suppressed, and the second inner flange 44 and the outer The flange 14, the first inner flange 34, and the outer flange 14 can be joined more reliably and more uniformly.

また、第１接着部材（第１パネル３０）と被接着部材（サイドフレームアウタパネル１０）との間の接着剤４の厚みを、第２接着部材（第２パネル４０）と被接着部材（サイドフレームアウタパネル１０）との間の接着剤４の厚みよりも大きくする具体的方法は前記に限らない。例えば、図１１に示すように、第１接着部材２３０の第１接着部２３４ａと第２接着部材２４０の第２接着部２４４ａとを略平坦とする一方、前記被接着部材２１０の被接着部２１４ａのうち前記第１接着部２３４ａと対向する部分を、被接着部２１４ａのうち前記第１接着部２３４ａと対向する部分よりも外側に突出させることで前記接着剤４の各位置の厚みを変更するようにしてもよい。   Further, the thickness of the adhesive 4 between the first adhesive member (first panel 30) and the adherend member (side frame outer panel 10) is set to the second adhesive member (second panel 40) and the adherend member (side frame). The specific method of making it larger than the thickness of the adhesive 4 between the outer panel 10) is not limited to the above. For example, as shown in FIG. 11, the first bonding portion 234 a of the first bonding member 230 and the second bonding portion 244 a of the second bonding member 240 are made substantially flat, while the bonded portion 214 a of the bonded member 210. The thickness of each position of the adhesive 4 is changed by causing the portion facing the first bonding portion 234a to protrude outside the portion facing the first bonding portion 234a of the bonded portion 214a. You may do it.

また、前記テーラードブランク工程は省略可能である。例えば、図１２に示すように、互いに離間する第１接着部材３３４と第２接着部材３４４とをそれぞれ接着剤４を介して被接着部材３１４と接着することによってのみ、第１接着部材３３４と第２接着部材３４４とを互いに接合してもよい。   Further, the tailored blank process can be omitted. For example, as shown in FIG. 12, only the first adhesive member 334 and the second adhesive member 344, which are separated from each other, are adhered to the adherend member 314 via the adhesive 4, respectively. The two adhesive members 344 may be joined to each other.

また、前記第１インナフランジ３４と前記アウタフランジ１４との間に配置する接着剤と、前記第２インナフランジ４４と前記アウタフランジ１４との間に配置する接着剤とを異なる成分の接着剤で構成してもよい。この場合には、前記接着剤配置工程にて、各接着剤をそれぞれ各位置に順次あるいは同時に配置すればよい。ただし、前記のように、各位置に配置する接着剤を同一の接着剤とすれば、接着剤配置工程における接着剤の配置が容易になる。   Further, the adhesive disposed between the first inner flange 34 and the outer flange 14 and the adhesive disposed between the second inner flange 44 and the outer flange 14 are made of adhesives having different components. It may be configured. In this case, each adhesive may be sequentially or simultaneously disposed at each position in the adhesive placement step. However, as described above, when the adhesive disposed at each position is the same adhesive, the placement of the adhesive in the adhesive placement step is facilitated.

また、前記接着剤４の具体的構成は前記に限らない。例えば、固形の接着剤や、液状の接着剤を用い、これらを前記サイドフレームアウタパネル１０とセンタピラーインナパネル２０との間に塗布あるいは充填等してもよい。   The specific configuration of the adhesive 4 is not limited to the above. For example, a solid adhesive or a liquid adhesive may be used and applied or filled between the side frame outer panel 10 and the center pillar inner panel 20.

また、前記硬化工程において前記接着剤４を硬化させる具体的方法は前記に限らない。   Further, the specific method for curing the adhesive 4 in the curing step is not limited to the above.

また、前記被接着部材（サイドフレームアウタパネル１０）を複数の部材で構成するようにしてもよい。   Further, the adherend member (side frame outer panel 10) may be constituted by a plurality of members.

本発明に係る接合構造の構築方法を適用するセンタピラーインナパネルの概略平面図である。It is a schematic plan view of a center pillar inner panel to which a construction method for a joint structure according to the present invention is applied. 図１のＩＩ−ＩＩ線断面図である。It is the II-II sectional view taken on the line of FIG. 図１のＩＩＩ−ＩＩＩ線断面図である。It is the III-III sectional view taken on the line of FIG. 本発明に係る接合構造の構築方法を適用するサイドフレームアウタパネルの概略平面図である。It is a schematic plan view of the side frame outer panel to which the construction method of the joint structure according to the present invention is applied. 図４のＶ−Ｖ線断面図である。It is the VV sectional view taken on the line of FIG. 接着剤を塗布するための接着剤塗布装置の概要を示す図である。It is a figure which shows the outline | summary of the adhesive agent coating apparatus for apply | coating an adhesive agent. 接着剤配置工程の様態を示す説明図である。It is explanatory drawing which shows the aspect of an adhesive agent arrangement | positioning process. 接着剤配置工程の様態を示す説明図である。It is explanatory drawing which shows the aspect of an adhesive agent arrangement | positioning process. 硬化工程の様態を示す説明図である。It is explanatory drawing which shows the aspect of a hardening process. 接着剤配置工程の様態を示す説明図である。It is explanatory drawing which shows the aspect of an adhesive agent arrangement | positioning process. 本発明に係る接合構造の構築方法が適用された他の例を示す図である。It is a figure which shows the other example to which the construction method of the junction structure which concerns on this invention was applied. 本発明に係る接合構造の構築方法が適用された他の例を示す図である。It is a figure which shows the other example to which the construction method of the junction structure which concerns on this invention was applied.

符号の説明Explanation of symbols

４ 接着剤
１０ センタピラーインナパネル（被接着部材）
１４ アウタフランジ
１４ａ アウタフランジの車体内側表面（被接着部）
２０ サイドフレームアウタパネル
３０ 第１パネル（第１接着部材）
３４ 第１インナフランジ
３４ａ 第１インナフランジの車体外側表面（第１接着部）
４０ 第２パネル（第２接着部材）
４４ 第２インナフランジ
４４ａ 第２インナフランジの車体外側表面（第２接着部） 4 Adhesive 10 Center pillar inner panel (Adhered member)
14 Outer flange 14a Outer flange body inner surface (bonded part)
20 Side frame outer panel 30 First panel (first adhesive member)
34 1st inner flange 34a Car body outer side surface (1st adhesion part) of 1st inner flange
40 Second panel (second adhesive member)
44 2nd inner flange 44a Car body outer side surface (2nd adhesion part) of 2nd inner flange

Claims (8)

第１接着部材と当該第１接着部材よりも熱伝導率あるいは熱容量の少なくとも一方が小さい第２接着部材とが、当該第１接着部材および第２接着部材に対して特定の方向に離間した位置に配置される被接着部材にそれぞれ接合された接合構造を構築する接合構造の構築方法であって、
外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化する連鎖反応型の第１接着剤を前記第１接着部材と前記被接着部材との間に配置するとともに、外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化する連鎖反応型の第２接着剤を、前記第１接着剤と接触させた状態で、前記第２接着部材と前記被接着部材との間に配置する接着剤配置工程と、
前記接着剤配置工程の後に実施されて、前記第１接着剤および第２接着剤の少なくとも一方にエネルギーを付与して当該第１接着剤および第２接着剤を硬化させて、前記第１接着部材と前記被接着部材および前記第２接着部材と前記被接着部材とを接合する硬化工程とを備え、
前記接着剤配置工程では、前記第１接着剤の前記特定方向の厚みが前記第２接着剤の前記特定方向の厚みよりも大きくなるように、前記第１接着剤を配置することを特徴とする接合構造の構築方法。 The first adhesive member and the second adhesive member having at least one of thermal conductivity and heat capacity smaller than that of the first adhesive member are separated from each other in a specific direction with respect to the first adhesive member and the second adhesive member. It is a construction method of a joint structure that constructs a joint structure joined to each member to be bonded,
Curing while generating the curing reaction heat by the energy applied to a part from the outside, and the part adjacent to the part where the curing reaction heat is generated receives this curing reaction heat and further cures while generating the curing reaction heat A chain reaction type first adhesive that cures in a chain by causing a reaction is disposed between the first adhesive member and the adherend member, and the heat of curing reaction caused by the energy applied to a part from the outside. A chain reaction type that cures in a chain by generating a curing reaction while generating a curing reaction heat in a portion adjacent to the site where the curing reaction heat is generated while generating a curing reaction heat An adhesive placement step of placing the second adhesive between the second adhesive member and the adherend member in a state where the second adhesive is in contact with the first adhesive;
The first adhesive member, which is implemented after the adhesive placement step, applies energy to at least one of the first adhesive and the second adhesive to cure the first adhesive and the second adhesive. And a curing step for joining the adherend member and the second adhesive member and the adherend member,
In the adhesive arranging step, the first adhesive is arranged so that the thickness of the first adhesive in the specific direction is larger than the thickness of the second adhesive in the specific direction. How to build a junction structure. 請求項１に記載の接合構造の構築方法であって、
前記第１接着剤と前記第２接着剤とが、同一成分の接着剤からなることを特徴とする接合構造の構築方法。 A method for constructing a joint structure according to claim 1,
The method for constructing a joint structure, wherein the first adhesive and the second adhesive are made of the same component adhesive. 請求項１または２に記載の接合構造の構築方法であって、
前記接着剤配置工程の前に実施されて、前記第１接着部材と前記第２接着部材とを互いに接合する接合工程を備えることを特徴とする接合構造の構築方法。 A method for constructing a joint structure according to claim 1 or 2,
A method for constructing a joining structure, comprising a joining step that is performed before the adhesive placement step and joins the first adhesive member and the second adhesive member to each other. 請求項３に記載の接合構造の構築方法であって、
前記被接着部材のうち前記第１接着部材および前記第２接着部材と接合される被接着部は、平坦な形状を有しており、
前記接合工程は、前記第１接着部材のうち前記被接着部と接合される第１接着部が、前記第２接着部材のうち前記被接着部と接合される第２接着部よりも外側に突出するように、前記第１接着部材と前記第２接着部材とをテーラードブランク工法により接合およびプレス成形する工程を含み、
前記接着剤配置工程は、前記被接着部と前記第１接着部との間に前記第１接着剤を配置するとともに、前記被接着部と前記第２接着部との間に前記第２接着剤を配置する工程を含むことを特徴とする接合構造の構築方法。 A method for constructing a joint structure according to claim 3,
Of the members to be bonded, the bonded portions to be bonded to the first bonding member and the second bonding member have a flat shape,
In the joining step, a first adhesive portion joined to the adherend portion of the first adhesive member protrudes outside a second adhesive portion joined to the adherend portion of the second adhesive member. So as to include joining and press-molding the first adhesive member and the second adhesive member by a tailored blank method,
In the adhesive placement step, the first adhesive is disposed between the adherend and the first adhesive, and the second adhesive is disposed between the adherend and the second adhesive. A method for constructing a joint structure comprising the step of arranging 第１接着部材と第２接着部材とが当該第１接着部材および第２接着部材に対して特定の方向に離間した位置に配置された被接着部材にそれぞれ接合される接合構造であって、
前記第１接着部材と前記被接着部材との間に配置されて、外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化して、前記第１接着部材と前記被接着部材とを接合する第１接着剤と、
前記第２接着部材と前記被接着部材との間に前記第１接着剤に接触した状態で配置されて、外部から一部に付与されたエネルギーによって硬化反応熱を発生させつつ硬化するとともに、当該硬化反応熱が発生した部位に隣接する部分がこの硬化反応熱を受けてさらに硬化反応熱を発生させつつ硬化反応を起こすことにより連鎖的に硬化して、前記第２接着部材と前記被接着部材とを接合する第２接着剤を備え、
第１接着部材は、その熱伝導率あるいは熱容量の少なくとも一方が前記第２接着部材の熱伝導率あるいは熱容量よりも大きく、
前記第１接着剤は、その前記特定方向の厚みが前記第２接着剤の前記特定方向の厚みよりも大きいことを特徴とする接合構造。 The first bonding member and the second bonding member are bonded structures respectively bonded to the members to be bonded arranged at positions separated in a specific direction with respect to the first bonding member and the second bonding member,
It arrange | positions between the said 1st adhesion member and the said to-be-adhered member, and it hardens | cures, generating the curing reaction heat | fever with the energy provided to a part from the outside, and adjoins the site | part which the said curing reaction heat | fever generate | occur | produced. A first adhesive that joins the first adhesive member and the adherend member by chain curing by causing a curing reaction while the portion receives this curing reaction heat and further generating a curing reaction heat;
It is disposed between the second adhesive member and the adherend member in contact with the first adhesive, is cured while generating curing reaction heat by energy applied to a part from the outside, and the A portion adjacent to a portion where the curing reaction heat is generated receives the curing reaction heat, and further cures while generating a curing reaction heat, thereby curing the chain, and the second adhesive member and the adherend member A second adhesive that joins
The first adhesive member has at least one of thermal conductivity or heat capacity greater than that of the second adhesive member,
The first adhesive has a thickness in the specific direction that is greater than the thickness of the second adhesive in the specific direction. 請求項５に記載の接合構造であって、
前記第１接着剤と前記第２接着剤とが、同一成分の接着剤からなることを特徴とする接合構造。 The joint structure according to claim 5,
The joining structure, wherein the first adhesive and the second adhesive are made of the same component adhesive. 請求項５または６に記載の接合構造であって、
前記第１接着部材は、前記第２接着部材と接触した状態で当該第２接着部材に接合されていることを特徴とする接合構造。 The joint structure according to claim 5 or 6,
The first adhesive member, the bonding structure, characterized in that before Symbol contact with the second adhesive member are engaged against the said second adhesive member. 請求項７に記載の接合構造であって、
前記被接着部材のうち前記第１接着部材および前記第２接着部材と接合される被接着部は、平坦な形状を有しており、
前記第１接着部材のうち前記被接着部と接合される第１接着部は、前記第２接着部材のうち前記被接着部と接合される第２接着部よりも外側に突出していることを特徴とする接合構造。
The joint structure according to claim 7,
Of the members to be bonded, the bonded portions to be bonded to the first bonding member and the second bonding member have a flat shape,
The 1st adhesion part joined to the adherend part among the 1st adhesion members has projected outside the 2nd adhesion part joined to the adherend part among the 2nd adhesion members. Joining structure.
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