WO2022024921A1 - 接合部材、接合構造体、接合用中間構造体及び接合構造体の製造方法 - Google Patents

接合部材、接合構造体、接合用中間構造体及び接合構造体の製造方法 Download PDF

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Publication number
WO2022024921A1
WO2022024921A1 PCT/JP2021/027310 JP2021027310W WO2022024921A1 WO 2022024921 A1 WO2022024921 A1 WO 2022024921A1 JP 2021027310 W JP2021027310 W JP 2021027310W WO 2022024921 A1 WO2022024921 A1 WO 2022024921A1
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WIPO (PCT)
Prior art keywords
joining
wire
joining member
holding portion
resin
Prior art date
Application number
PCT/JP2021/027310
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English (en)
French (fr)
Japanese (ja)
Inventor
好輝 飛石
英明 坪井
Original Assignee
昭和電工マテリアルズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 昭和電工マテリアルズ株式会社 filed Critical 昭和電工マテリアルズ株式会社
Priority to JP2022540245A priority Critical patent/JP7513097B2/ja
Publication of WO2022024921A1 publication Critical patent/WO2022024921A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear

Definitions

  • the present disclosure relates to a joining member, a joining structure, an intermediate structure for joining, and a method for manufacturing the joining structure.
  • Patent Document 1 the inner panel and the outer panel of an automobile are resin-molded, a urethane adhesive is interposed between the inner panel and the outer panel, and the urethane adhesive is cured by heat treatment to form the inner panel and the outer panel. It is disclosed to join.
  • Patent Document 1 when the inner panel and the outer panel are joined via a urethane adhesive, there is a problem that the number of work steps is large. Specifically, after cleaning and flame treatment are applied to the joint regions of the inner panel and the outer panel, a primer and a urethane adhesive are sequentially applied to at least one of the joint regions, and then pressure bonding and heat hardening treatment are required. Will be. Further, the above-mentioned processing includes processing that requires inspection, and an apparatus for performing each processing is required, so that a large manufacturing space is required. From the above points, a technique capable of joining a plurality of members such as an inner panel and an outer panel by a simple method is desirable.
  • the present disclosure has been made in view of the above circumstances, and is a joining member capable of joining a plurality of members by a simple method, and a method for manufacturing a joining structure, an intermediate structure for joining, and a joining structure using the joining member.
  • the purpose is to provide.
  • ⁇ 1> Wire and A holding portion containing a resin that holds the wire and is melted by heat generated by passing an electric current through the wire.
  • a joining member used for joining a plurality of members comprising.
  • the resin according to ⁇ 1> which comprises at least one selected from the group consisting of an olefin-based thermoplastic elastomer, a styrene-based thermoplastic elastomer, a polyurethane-based thermoplastic elastomer, and a hydrogenated styrene-based thermoplastic elastomer. Joining member.
  • ⁇ 3> The joining member according to ⁇ 1> or ⁇ 2>, wherein the holding portion has a recess for fitting the wire, and the wire is fitted in the recess.
  • ⁇ 4> The joining member according to ⁇ 3>, wherein at least a part of the wire fitted in the recess protrudes from the surface of the holding portion.
  • ⁇ 5> The joining member according to ⁇ 3>, wherein the height of the wall surface of the recess facing the wire is such that the height of the wire fitted in the recess is also large.
  • ⁇ 6> The joining member according to ⁇ 5>, wherein the height of the wall surface of the recess facing the wire is 0.2 mm to 4 mm.
  • ⁇ 7> The joining member according to any one of ⁇ 3> to ⁇ 6>, wherein the holding portion has a plurality of the recesses, and the wire is fitted in each of the plurality of recesses.
  • ⁇ 8> The joining member according to ⁇ 7>, wherein the distance between the centers of the adjacent wires is 0.2 mm to 10 mm.
  • ⁇ 9> The invention according to any one of ⁇ 3> to ⁇ 6>, wherein one or more recesses are provided on each of a plurality of surfaces of the holding portion, and the wire is fitted in each of the recesses. Joining member.
  • ⁇ 10> Any one of ⁇ 3> to ⁇ 6>, in which one or more recesses are provided in each of the two facing surfaces of the holding portion, and the wire is fitted in each of the recesses.
  • the joining member described in 1. ⁇ 11> The joining member according to any one of ⁇ 1> to ⁇ 10>, wherein the equivalent circle diameter of the cross section of the wire is 0.2 mm to 2.0 mm.
  • the holding portion includes a base portion and a protruding portion provided on the surface of the base portion and projecting to the outside of the base portion.
  • the joining member according to any one of ⁇ 1> to ⁇ 13>, wherein the protruding portion holds the wire.
  • ⁇ 15> The joining member according to ⁇ 14>, wherein one or more of the protrusions are arranged on each of the two facing surfaces of the base.
  • ⁇ 16> The joining member according to ⁇ 14> or ⁇ 15>, wherein the thickness of the base is 0.5 mm to 3.0 mm.
  • ⁇ 17> The protrusion is arranged in the thickness direction of the holding portion, and the thickness / protrusion of the base, which is the ratio of the thickness of the base to the total maximum height of the protrusions in the thickness direction.
  • the joining member according to any one of ⁇ 1> to ⁇ 17> and With multiple members Equipped with The plurality of members include a first member and a second member facing the first member, and the first member and the second member are joined via the joining member. Joined structure.
  • the first member and the second member are independently polypropylene-based resin, polyethylene-based resin, polystyrene-based resin, polyethylene terephthalate-based resin, polyvinyl alcohol-based resin, vinyl chloride-based resin, and ionomer-based resin.
  • the bonded structure according to ⁇ 18> which is at least one selected from the group consisting of a polyamide resin, an acrylonitrile / butadiene / styrene copolymer resin, a polycarbonate resin, and a polyphenylene sulfide resin.
  • the first member and at least one of the second members are described in any one of ⁇ 18> to ⁇ 20> containing at least one selected from metal fibers, inorganic fibers and organic fibers.
  • Joined structure ⁇ 22> Any of ⁇ 18> to ⁇ 21>, wherein one of the first member and the second member is an outer panel, and the other of the first member and the second member is an inner panel.
  • the joint structure according to one.
  • the joining member according to any one of ⁇ 1> to ⁇ 17> to be joined to the first member. Equipped with The joining member has a first surface to be joined to the first member and a second surface located on the opposite side of the first surface. When the first member is joined to the second member via the joining member by the heat generated by passing an electric current through the wire in a state where the second surface is in contact with the second member. Intermediate structure for joining used.
  • the method for manufacturing the bonded structure according to any one of ⁇ 18> to ⁇ 22> The joining member has a first surface to be joined to the first member and a second surface located on the side opposite to the first surface. A step of joining the first member and the joining member, A step of joining the first member to the second member via the joining member by heat generated by passing an electric current through the wire in a state where the second surface is in contact with the second member. And, a method of manufacturing a bonded structure having.
  • a joining member capable of joining a plurality of members by a simple method, and a joining structure, an intermediate structure for joining, and a method for manufacturing the joining structure using the joining member. ..
  • FIG. 3 is a front sectional view showing another embodiment 3 of the bonded structure of the present disclosure. It is a schematic diagram which shows the example of the positional relationship between the arrangement location of the joint member of this disclosure, the watertight material, and the first member.
  • the term "process” includes, in addition to a process independent of other processes, the process as long as the purpose of the process is achieved even if it cannot be clearly distinguished from the other process. ..
  • the numerical range indicated by using "-" includes the numerical values before and after "-" as the minimum value and the maximum value, respectively.
  • the upper limit value or the lower limit value described in one numerical range may be replaced with the upper limit value or the lower limit value of the numerical range described in another stepwise description. ..
  • the upper limit value or the lower limit value of the numerical range may be replaced with the value shown in the examples.
  • each component may contain a plurality of applicable substances.
  • the joining member of the present disclosure includes a wire and a holding portion containing a resin that holds the wire and is melted by heat generated by passing an electric current through the wire, and is used for joining a plurality of members.
  • the joining member of the present disclosure is arranged, for example, between a first member and a second member facing the first member, and is attached to a wire in a state where the first member and the second member are crimped.
  • the heat generated by passing an electric current melts the resin contained in the holding portion.
  • the first member and the second member can be joined via the joining member.
  • an electric current is passed through the wire in a state where the first member and the second member are crimped through the joining member.
  • the first member and the second member may be joined together.
  • a joining intermediate structure in which the first member is joined to the joining member in advance is prepared, and a current is applied to the wire in a state where the joining member in the joining intermediate structure is crimped to the second member.
  • the first member and the second member may be joined via the joining member by flowing an electric current.
  • heat is generated by passing an electric current through a wire included in the joint structure to melt the resin contained in the holding portion and join the joint structure. Since the first member constituting the structure and the second member can be separated, dismantability and recyclability are improved. For example, by generating heat by passing an electric current through the wire as described above, one of the separated first member and the second member can be replaced with a new member. More specifically, when one of the first member and the second member is the outer panel of the back door, it is possible to separate only the outer panel and replace it with a new outer panel when repairing the back door or the like. can.
  • the joining member of the present disclosure includes a wire that generates heat by passing an electric current.
  • the material of the wire is not particularly limited as long as it is a substance that generates heat by passing an electric current. Examples include ceramics.
  • the equivalent circle diameter of the cross section of the wire is not particularly limited, and may be, for example, 0.2 mm to 2.0 mm or 0.6 mm to 1.2 mm.
  • the joining member of the present disclosure includes a holding portion that holds a wire and contains a resin that is melted by heat generated by passing an electric current through the wire.
  • the resin preferably contains at least one selected from the group consisting of olefin-based thermoplastic elastomers, styrene-based thermoplastic elastomers, polyurethane-based thermoplastic elastomers, and hydrogenated styrene-based thermoplastic elastomers.
  • the resin contained in the joining member is preferably the same as the resin contained in the above-mentioned plurality of members.
  • the resin contained in the above-mentioned plurality of members is a polyethylene-based resin, a polypropylene-based resin, or the like
  • the resin contained in the joining member preferably contains an olefin-based thermoplastic elastomer.
  • the structure of the holding portion is not particularly limited as long as it has a structure capable of holding the wire, and can take any structure according to the shape of a plurality of members to be joined via the joining member.
  • the structure in which the holding portion holds the wire may be, for example, a structure in which the holding portion includes the wire, the holding portion has a recess for fitting the wire, and the wire is fitted in the recess. It may be a structure, or it may be a structure in which the wire is fixed to the holding portion in a state of being exposed from the holding portion.
  • the wire When the wire is fitted in the recess, at least a part of the wire fitted in the recess may or may not protrude from the surface of the holding portion. Since at least a part of the wire protrudes from the surface of the holding portion, the heat generated from the wire can be efficiently applied to the member by bringing the member in contact with the joining member into contact with the wire, and the member can be heated. When a resin that melts by heat is contained, it becomes easy to secure the joining strength between the joining member and the member.
  • the height of the wall facing the wire fitted in the recess is greater than the height of the wire fitted in the recess. Is preferable.
  • the ratio of the height of the wall surface facing the wire fitted in the recess (wall height / wire height) to the height of the wire fitted in the recess may be larger than 1, for example. From the viewpoint of absorption of variation in surface gap, it is preferably more than 1 and 3 or less, and more preferably 1.5 to 2.
  • the height of the wall surface facing the wire fitted in the recess is preferably 0.2 mm to 4 mm, more preferably 0.3 mm to 4 mm.
  • the number of recesses is not particularly limited, and depends on the type and size of a plurality of members to be joined via the joining member, the type of resin contained in the joining member, the size of the joining member, and the like. It may be set appropriately.
  • the holding portion may have a plurality of recesses, and wires may be fitted in the plurality of recesses.
  • wires By passing an electric current through a plurality of wires to generate heat, the amount of resin to be melted can be increased, and the bonding strength of the plurality of members tends to be easily increased.
  • the distance between the centers of adjacent wires is preferably 0.2 mm to 10 mm, more preferably 0.2 mm to 4 mm, from the viewpoint of increasing the joint strength of the plurality of members. preferable.
  • the ratio of the volume of the wire to the total volume of the wire and the holding part is from the point of ensuring the amount of resin that melts when an electric current is passed through the wire to generate heat, and the point of ensuring the joining strength of the joining member. , 1/5 to 1/35, more preferably 1/9 to 1/25.
  • the above-mentioned ratio may be read as "the ratio of the total volume of the plurality of wires to the total volume of the plurality of wires and the holding portion".
  • the maximum height of the holding portion is preferably 2 mm to 15 mm, more preferably 3 mm to 8 mm.
  • a plurality of recesses may be provided on one surface of the holding portion, or one or more recesses may be provided on the plurality of surfaces of the holding portion.
  • the number of recesses provided on the plurality of surfaces may be the same or different.
  • one or more recesses may be provided on each of the two facing surfaces.
  • the two facing planes may be two planes intersecting the vertical direction, preferably two planes orthogonal to each other, or two planes parallel to the vertical direction.
  • the number of recesses provided on one surface and the number of recesses provided on the other surface may be the same. , May be different. Further, the arrangement of the recesses provided on one surface and the arrangement of the recesses provided on the other surface may be plane-symmetrical or asymmetrical.
  • the recess provided on one surface and the recess provided on the other surface are in one direction (for example, of the holding portion). It may be located alternately (for example, in a zigzag shape) along the length direction. By holding the wires in the recesses located alternately, the joining strength of a plurality of members via the joining members tends to be increased.
  • the base portion constituting the holding portion may have a structure for holding the wire, and the holding portion is provided on the base portion and the surface of the base portion, and the protruding portion protruding outward of the base portion is provided.
  • the protrusion may be configured to hold the wire.
  • the protruding portion is not particularly limited as long as it has a structure protruding outward from the surface of the base portion constituting the holding portion.
  • Examples of the shape of the protruding portion include a columnar shape, a conical shape, a tapered shape, a reverse tapered shape, a rectangular parallelepiped shape, a polygonal columnar shape, a trapezoidal shape, a mushroom shape, a hemispherical shape, and a semi-elliptical shape.
  • the protruding portion may be entirely rounded, may be sharp as a whole, and a part such as a tip portion may be rounded or sharp.
  • the position where the wire is held is not particularly limited.
  • the wire may be held near the bottom surface of the protrusion, the wire may be held near the center of the protrusion in the height direction, and the wire may be held near the apex of the protrusion. May be.
  • the wire may be included in the protrusion without being exposed from the protrusion, and the wire is held in the protrusion with a part of the wire exposed from the protrusion. You may.
  • the wire may be fitted in the recess provided in the protrusion.
  • the recess may be provided in the base portion constituting the holding portion, and the wire may be fitted in the recess provided in the base, and the holding portion is the base and the surface of the base.
  • a wire may be fitted in a recess provided in the protrusion and having a protrusion protruding outward from the base, and a recess may be provided in the protrusion.
  • the position of the recess is not particularly limited, and for example, the recess may be provided on the side surface of the protrusion, or the recess may be provided at the apex of the protrusion.
  • the number of protruding portions is not particularly limited, and the type and size of a plurality of members to be joined via the joining member, the type of resin contained in the joining member, the size of the joining member, etc. , It may be appropriately set according to the shape of the member to be joined.
  • the shapes, sizes, and the like of the plurality of protruding portions may be the same or different.
  • one or more protrusion portions may be provided on one surface side of the base portion, or one or more protrusion portions may be provided on a plurality of surface sides of the base portion. good.
  • the number of protrusions provided on the plurality of surfaces may be the same or different.
  • one or more protrusions may be provided on each of the two facing surfaces.
  • the two facing planes may be two planes intersecting the vertical direction, preferably two planes orthogonal to each other, or two planes parallel to the vertical direction.
  • the number of protrusions provided on one surface and the number of protrusions provided on the other surface are the same. It may or may not be different.
  • the arrangement of the protrusions provided on one surface and the arrangement of the protrusions provided on the other surface may be plane-symmetrical or asymmetrical.
  • the thickness of the base may be 0.5 mm to 3 mm, 0.6 mm to 1.5 mm, or 0.8 mm to 1.2 mm.
  • the maximum height of the protrusion may be 0.5 mm to 10 mm, 1 mm to 5 mm, or 1.5 mm to 3 mm.
  • the maximum height of the protrusions may be 0.5 mm to 5 mm, 0.8 mm to 3 mm. It may be 1 mm to 2 mm.
  • the ratio of the thickness of the base to the total maximum height of the protrusion in the thickness direction (total thickness of the base / total height of the protrusion). May be 0.1 to 1, 0.15 to 0.8, or 0.2 to 0.5.
  • the sum of the maximum heights of the protrusions in the thickness direction means the maximum height of the protrusions when the protrusions are arranged on only one surface of the base that intersects the thickness direction.
  • the sum of the maximum heights of the protrusions in the thickness direction is one of the two faces that intersect the thickness direction and that the protrusions are arranged on each of the two facing faces of the base. It means the sum of the maximum height of the protrusions arranged on the surface of the surface and the maximum height of the protrusions arranged on the other surface of the two surfaces.
  • the distance varies depending on the location.
  • a plurality of joining members can be easily arranged between the plurality of members. Further, by passing an electric current through the wire to generate heat, the resin constituting the protruding portion is melted, so that the protruding portion follows the shapes of a plurality of members, and the gap between the member and the joining member is suitable. Can be buried in.
  • the plurality of members joined using the joining member of the present disclosure are not particularly limited as long as they can be bonded to the joining member, and independently include metals such as iron and aluminum, and alloys containing the above-mentioned metals.
  • the metal, alloy, thermoplastic resin, inorganic fiber, metal fiber, organic fiber and the like that can be contained in the plurality of members may be one kind or two or more kinds.
  • the plurality of members joined using the joining member of the present disclosure may include a first member and a second member, and the first member and the second member are joined via the joining member. You may.
  • the first member and the second member are independent members containing a resin that is melted by heat.
  • the first member and the second member may be a member containing a resin that is independently melted by heat or a member containing a resin that is melted by heat and an inorganic fiber, an organic fiber, or the like, and are more suitable for melt bonding. From the point of view, it is preferable that the first member and the second member are members that contain a resin that is melted by heat and do not contain inorganic fibers, organic fibers, or the like.
  • Examples of the heat-meltable resin that can be contained in a plurality of members such as the first member and the second member include polyethylene-based resin, polypropylene-based resin, polystyrene-based resin, polyethylene terephthalate-based resin, polyvinyl alcohol-based resin, and vinyl chloride. At least one selected from the group consisting of a based resin, an ionomer based resin, a polyamide resin, an acrylonitrile / butadiene / styrene copolymer resin, a polycarbonate resin and a polyphenylene sulfide resin is preferable. Of these, polypropylene-based resins are preferable from the viewpoint of cost and mass.
  • the plurality of members such as the first member and the second member are not particularly limited, and various molded members can be mentioned. More specifically, reinforcement such as reinforcement (for example, hinge, side hinge, lock) and the like can be mentioned. Examples include members, outer panels, and inner panels. For example, one of the first member and the second member may be an outer panel, and the other of the first member and the second member may be an inner panel. Further, the outer panel may be the outer panel of the back door, and the inner panel may be the inner panel of the back door.
  • a primer layer may be formed on the surface facing the joining member.
  • the joining strength tends to be increased when the joining member is joined to the first member, the second member, and the like.
  • the region on which the primer layer is formed is not particularly limited as long as it includes a portion that comes into contact with the joining member.
  • the primer layer When the primer layer is formed on the first member, the second member, etc., the primer layer may be formed on all the members, or the primer layer may be formed on some of the members. For example, the primer layer may be formed on both the first member and the second member, or the primer layer may be formed on only one of the first member and the second member.
  • the joint structure of the present disclosure includes the above-mentioned joint member of the present disclosure and a plurality of members, and the plurality of members include a first member and a second member facing the first member. Including, the first member and the second member are joined via the joining member. Preferred forms of the first member and the second member include preferable forms of the first member and the second member described in the above-mentioned item of the joining member of the present disclosure. A plurality of the joining members of the present disclosure may be arranged between the first member and the second member.
  • a watertight material may be placed between the first member and the second member. As a result, the intrusion of moisture into the bonded structure may be suppressed.
  • the watertight material is not particularly limited, and examples thereof include butyl rubber and Eptsealer (registered trademark).
  • the above-mentioned bonding of the present disclosure having a first surface to be bonded to the first member and a second surface located on the opposite side of the first surface.
  • a step of joining the first member and the joining member using the member hereinafter, also referred to as a "first joining step” and a state in which the second surface is in contact with the second member.
  • the step of joining the first member to the second member via the joining member by the heat generated by passing an electric current through the wire hereinafter, also referred to as “second joining step”).
  • the second joining step may be performed after the first joining step, or the first joining step and the second joining step may be performed in one step.
  • the strain of the strength / rigidity difference and the thermal expansion / contraction difference due to the difference in materials is used. Tends to be able to absorb.
  • the first joining step may be performed by performing any of the following (1) and (2).
  • (1) The first surface of the joining member of the present disclosure holding the wire and the first member are joined by vibration welding, ultrasonic welding, or the like.
  • (2) A joining member including a wire and a holding portion is manufactured by integral molding by extrusion molding or the like, and the first surface of the obtained joining member and the first member are subjected to vibration welding, ultrasonic welding, etc. To join.
  • the sealing material for watertightness include ethylene propylene diene rubber (EPDM) from the viewpoint of cost.
  • the second joining step may be performed in a state where the second surface of the joining member and the second member are crimped to each other.
  • the amount of current flowing through the wire, the energization time, etc. may be appropriately adjusted according to the material of the wire, the type of resin contained in the joining member, the size of the joining member, and the like.
  • the first joining step and the second joining step are performed in one step, the first surface of the joining member is brought into contact with the first member, and the second surface of the joining member is used as the second member.
  • the first member and the second member may be joined via the joining member by passing an electric current through the wire in the contacted state. At this time, the first member, the joining member, and the second member may be in a crimped state.
  • the joining intermediate structure of the present disclosure includes a first member and the above-mentioned joining member of the present disclosure to be joined to the first member, and the joining member is joined to the first member.
  • the intermediate structure for joining of the present disclosure is used to obtain a joining structure by joining a first member to a joining member in advance and joining a second surface to the second member.
  • FIGS. 1 to 8 specific embodiments of the joining member of the present disclosure, the intermediate structure for joining of the present disclosure, and the joining structure of the present disclosure will be described with reference to FIGS. 1 to 8.
  • the present invention is not limited to these embodiments.
  • the size of the members in each figure is conceptual, and the relative relationship between the sizes of the members is not limited to this.
  • FIG. 1 is a front sectional view showing a first embodiment of the joining member of the present disclosure.
  • the joining member 10 of the first embodiment includes a plurality of wires 1 and a holding portion 2 having a recess 3.
  • the holding portion 2 has a recess 3 into which the wire 1 is fitted.
  • the holding portion 2 has a concave-convex structure, and a concave portion 3 for fitting the wire 1 is provided in the convex portion of the concave-convex structure, and the wire 1 is arranged between the adjacent convex portions. It has a recess that is not.
  • FIG. 2 is a front sectional view showing an embodiment of the intermediate structure for joining of the present disclosure.
  • the joining intermediate structure 100 of one embodiment includes a joining member 10 and a first member 6.
  • the joining member 10 has a first surface 4 and a second surface 5 located on the opposite side of the first surface 4, and the first surface 4 is joined to the first member 6. ..
  • the first surface 4 and the first member 6 may be joined by vibration welding, ultrasonic welding, or the like, and the holding portion 2 of the joining member 10 is formed on the first member 6 by insert molding or the like.
  • the first surface 4 and the first member 6 may be joined to each other. For example, when the first surface 4 and the first member 6 are bonded by ultrasonic welding, the portion a shown in FIG.
  • the ultrasonic bonding location and the location of the watertight sealing material are not limited to those shown in FIG. 2, and may be appropriately changed.
  • FIG. 3 is a front sectional view showing an embodiment of the bonded structure of the present disclosure.
  • the joining structure 200 of one embodiment includes a joining member 10, a first member 6, and a second member 7, and the first member 6 and the second member 7 are provided via the joining member 10. It is joined.
  • the joining structure 200 is, for example, in a state where the second surface 5 of the intermediate structure 100 for joining shown in FIG. 2 is in contact with the second member 7, or the first surface 4 of the joining member 10 is first. It can be manufactured by passing an electric current through the wire 1 in a state where the second surface 5 of the joining member 10 is in contact with the second member 7 and in contact with the member 6. Further, as shown in FIG.
  • the second member 7 has a concavo-convex structure corresponding to the concavo-convex structure of the holding portion 2, preferably the second member 7 has a concavo-convex structure that fits into the concavo-convex structure of the holding portion 2.
  • the contact area between the joining member 10 and the second member 7 can be increased, and the joining strength between the joining member 10 and the second member 7 is excellent.
  • FIG. 4 is a front sectional view showing another embodiment 1 of the bonded structure of the present disclosure.
  • the joining structure 300 of the other embodiment 1 has a gap between the left end portion when viewed from the front and the joining member 10, and the side surface of the joining member 10 at the right end portion when viewed from the front. Is different from the joint structure 200 of one embodiment in that is not in contact with the second member 7.
  • 5 and 6 show Examples 1 and 2, respectively, of the positional relationship between the wire included in the joining member of the present disclosure and the second member.
  • 5 and 6 show a structure in which the second member is joined to the joining member, and the holding portion is not shown for simplification.
  • FIG. 5 a first member 16 and a second member 17 to be joined using a joining member are shown, respectively, and the second member 17 is joined to the joining member so as to be around the second member 17.
  • the wire 11 is arranged.
  • the first member 16 and the second member 17 are crimped through the joining member, and a voltage is applied to one wire 11 to pass an electric current to melt the resin contained in the joining member, and the first member 16 is used.
  • the second member 17 can be joined.
  • the positions of the start point and the end point of the wire are not particularly limited, and may be, for example, vertically above the second member, or may be on the right side or the left side. Further, a plurality of wires may be arranged in parallel around the second member 17.
  • two wires 21 and 31 may be arranged around the second member 17 by joining the second member 17 to the joining member.
  • the wire 21 is arranged around the lower side in the vertical direction of the second member 17, and the wire 31 is arranged around the upper side in the vertical direction of the second member 17.
  • the arrangement of the wires is not limited to the configurations of FIGS. 5 and 6, and for example, a joining member having a wire may be joined to the first member, and the start point and the end point of the wire are shown in FIG.
  • the two wires may be arranged at a position other than the position, and the two wires may be arranged on the right side and the left side of the second member, respectively. Further, it is preferable that the number of wires is small from the viewpoint of watertightness that suppresses contact between the wires and external water when the bonded structure is formed.
  • FIG. 7 is a front sectional view showing a second embodiment of the joining member of the present disclosure.
  • the joining member 20 of the second embodiment includes a plurality of wires 1 and a holding portion 12 having a recess 13.
  • a part of the wire fitted in the recess does not protrude from the surface of the holding portion, and the height of the wall surface facing the wire fitted in the recess is the wire fitted in the recess.
  • the height of the wire is also large, which is different from the first embodiment.
  • h1 represents the height of the wire 1 fitted in the recess 13
  • h2 represents the height of the wall surface facing the wire 1 fitted in the recess 13
  • h3 represents the maximum height of the holding portion 12.
  • d1 represents the distance between the centers of adjacent wires 1. As described above, the joining member 20 satisfies h1 ⁇ h2.
  • FIG. 8 is a front sectional view showing a third embodiment of the joining member of the present disclosure.
  • the joining member 30 of the third embodiment includes a plurality of wires 1 and a holding portion 22 for fitting the plurality of wires 1.
  • the third embodiment is different from the second embodiment in that the concave portions and the convex portions into which the wires are fitted are alternately arranged and do not have the concave portions to which the wires are not fitted.
  • FIG. 9 is a front sectional view showing a fourth embodiment of the joining member of the present disclosure.
  • the joining member 40 of the fourth embodiment includes a plurality of wires 1 and a holding portion 32 for internally holding the plurality of wires 1, and the holding portions 32 are unidirectionally located at both ends of the holding portion when viewed from the front. It has a protruding portion 33 that protrudes.
  • the fourth embodiment differs from the third embodiment in that a plurality of wires are arranged inside the holding portion and have protrusions at both ends.
  • the shape and position of the protrusion 33 are not limited to the configuration shown in FIG. 9, and can be appropriately changed according to the shapes of a plurality of members to be joined using the joining member.
  • FIG. 10 is a front sectional view showing a fifth embodiment of the joining member of the present disclosure.
  • the joining member 50 of the fifth embodiment includes a plurality of wires 1 and a holding portion 42 for internally holding the plurality of wires 1.
  • the fifth embodiment is different from the fourth embodiment in that it does not have protrusions at both ends.
  • FIG. 11 is a front sectional view showing a sixth embodiment of the joining member of the present disclosure.
  • recesses are provided on the two facing side surfaces of the holding portion 52, and the wire 1 is fitted in each recess.
  • FIG. 12 is a front sectional view showing a seventh embodiment of the joining member of the present disclosure.
  • recesses are provided on two facing surfaces of the holding portion 62 that are orthogonal to the vertical direction, and wires 1A and 1B are fitted in the respective recesses.
  • the wires 1A and 1B are located in a zigzag shape along the length direction of the holding portion 62.
  • FIG. 13 is a front sectional view showing an eighth embodiment of the joining member of the present disclosure.
  • the holding portion includes the base portion 72 and the plurality of projecting portions 73, and the plurality of projecting portions 73 include the wire 1 near the bottom surface.
  • the plurality of projecting portions 73 are provided on the surface of the base portion 72 and project to the outside of the base portion 72.
  • the protrusion 72 may have a tapered shape as shown in the figure, or may have another shape.
  • the heights of the plurality of protrusions 73 may be the same or different.
  • h4 means the thickness of the base
  • h5 means the maximum height of the protrusion.
  • FIG. 14 is a front sectional view showing a ninth embodiment of the joining member of the present disclosure.
  • the joining member 80B of the ninth embodiment is different from the joining member 80A of the eighth embodiment in that a plurality of projecting portions 73 hold the wire 1 in an exposed state in the vicinity of the apex thereof.
  • FIG. 15 is a front sectional view showing a tenth embodiment of the joining member of the present disclosure.
  • the joining member 80C of the tenth embodiment holds the wire 1 exposed at the apex of the plurality of protruding portions 73, and the joining member 80B of the eighth embodiment does not have an acute-angled tip of the protruding portion. Is different from.
  • FIG. 16 is a front sectional view showing an eleventh embodiment of the joining member of the present disclosure.
  • the holding portion includes a base portion 82 and protruding portions 83 to 88.
  • the protrusions 83 to 88 are provided on two facing surfaces of the base 82, which are orthogonal to the vertical direction. Of the two facing surfaces, tapered protrusions 83 to 85 having different widths are arranged on the vertically lower surface.
  • a tapered protrusion 86, a columnar protrusion 87, and a semi-elliptical protrusion 88 are arranged on the vertically upper surface.
  • the shapes of the protrusions 83 to 88 are not limited to FIG. 16, and may be all or partly the same, or all may be different.
  • the heights of the protrusions 83 to 88 may be all or partly the same, or all may be different.
  • h6 means the thickness of the base
  • h7 and h8 mean the maximum height of the protrusions, respectively
  • h7 + h8 means the total height of the protrusions in the thickness direction.
  • FIG. 17 is a front sectional view showing another embodiment 2 of the bonded structure of the present disclosure.
  • the joining structure 400 of the other embodiment 2 includes a joining member 70, a first member 6, a second member 7, and primer layers 8 and 9, and the first member is via the primer layer 8.
  • the member 6 and the joining member 70 are joined, and the second member 7 and the joining member 70 are joined via the primer layer 9.
  • the bonding strength of the first member 6 and the bonding member 70 and the bonding strength of the second member 7 and the bonding member 70 are excellent.
  • FIG. 18 is a front sectional view showing another embodiment 3 of the bonded structure of the present disclosure.
  • the joining structure 500 of the other embodiment 3 includes a joining member 70, a first member 6, a second member 7, and a butyl rubber 91 which is a watertight material.
  • the first member 6 and the second member 7 are joined via the joining member 70, and the butyl rubber 91 is arranged between the first member 6 and the second member 7. As a result, the intrusion of water into the joint structure 500 is suppressed.
  • FIG. 19 is a schematic view showing an example of the positional relationship between the arrangement location of the joint member of the present disclosure, the watertight material, and the first member.
  • a watertight material 18 (for example, butyl rubber) is arranged around the first member 16.
  • the joining member may be arranged in the portion covered with the dotted line in FIG. It is preferable to arrange the joining member in a linear portion excluding the corner portion on the outer periphery of the first member 16 as shown by a dotted line, and join the first member 16 and the second member (not shown).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
PCT/JP2021/027310 2020-07-28 2021-07-21 接合部材、接合構造体、接合用中間構造体及び接合構造体の製造方法 WO2022024921A1 (ja)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422074A1 (de) * 1984-06-14 1986-01-23 Manfred 6000 Frankfurt Eck Verfahren zur herstellung nicht loesbarer rohrverbindungen von kunststoffrohren
JPH01210330A (ja) * 1987-02-11 1989-08-23 Ernest O Butts 溶接方法及び装置ならびに溶接ロッド
JPH0371824A (ja) * 1989-08-10 1991-03-27 Dainippon Plastics Co Ltd プラスチック管体の溶融接続材および溶融接続方法
JP2000037781A (ja) * 1998-07-24 2000-02-08 Toa Koukyu Pipe Fitting And Valve Mfg Co プラスチックの接合装置
JP4105519B2 (ja) * 2002-10-07 2008-06-25 住友電装株式会社 ワイヤハーネスの車体固定構造
JP2011158007A (ja) * 2010-01-29 2011-08-18 Inoac Housing & Construction Materials Co Ltd 樹脂管の熱融着具
JP2013129159A (ja) * 2011-12-22 2013-07-04 Teijin Ltd 接合体の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997001433A1 (en) * 1995-06-28 1997-01-16 Raymond Allan Goldsmid Element for fusion welding plastics

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422074A1 (de) * 1984-06-14 1986-01-23 Manfred 6000 Frankfurt Eck Verfahren zur herstellung nicht loesbarer rohrverbindungen von kunststoffrohren
JPH01210330A (ja) * 1987-02-11 1989-08-23 Ernest O Butts 溶接方法及び装置ならびに溶接ロッド
JPH0371824A (ja) * 1989-08-10 1991-03-27 Dainippon Plastics Co Ltd プラスチック管体の溶融接続材および溶融接続方法
JP2000037781A (ja) * 1998-07-24 2000-02-08 Toa Koukyu Pipe Fitting And Valve Mfg Co プラスチックの接合装置
JP4105519B2 (ja) * 2002-10-07 2008-06-25 住友電装株式会社 ワイヤハーネスの車体固定構造
JP2011158007A (ja) * 2010-01-29 2011-08-18 Inoac Housing & Construction Materials Co Ltd 樹脂管の熱融着具
JP2013129159A (ja) * 2011-12-22 2013-07-04 Teijin Ltd 接合体の製造方法

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