JP5320867B2 - Joined assembly manufacturing method and joined assembly manufacturing apparatus - Google Patents

Description

  The present invention relates to a method for manufacturing a joined assembly in which sheet metal members constituting a vehicle body are joined together and a manufacturing apparatus for the joined assembly.

  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.

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 the method using this adhesive, an adhesive is interposed between an adhesive member and a member to be bonded to the adhesive member, and energy is applied to a predetermined portion of the adhesive so that the adhesive is sequentially applied. Let it harden.
JP-A-11-193322

  In the method using the chain reaction type adhesive, the adhesive is cured in sequence, and the curing time of the adhesive varies depending on the bonding location, so that the adhesive member and the adherend may be distorted due to the curing shrinkage of the adhesive. is there. And when this distortion is large, there exists a problem that joining strength and joining precision are not fully obtained.

  The present invention has been made in view of the circumstances as described above, and suppresses the distortion of the adhesive member and the member to be bonded and ensures the bonding strength and the manufacturing of the bonded assembly. Providing the device.

In order to solve the above-mentioned problem, the present invention interposes an adhesive between a bonded portion of an adhesive member and a bonded portion of an adherend member, and bonds the adhesive member and the adherend member by curing the adhesive. In the manufacturing method of the bonding assembly, the bonding portion of the adhesive member includes a plurality of first bonding portions that are separated from each other along a specific direction, and a second bonding portion that is positioned between the first bonding portions. And the bonded portion of the bonded member includes a first bonded portion bonded to each of the first bonded portions, and a second bonded portion bonded to the second bonded portion, The adhesive is cured while self-generating the curing reaction heat by the energy applied to a part from the outside, and the portion adjacent to the site where the curing reaction heat is self-generated is further cured by receiving the curing reaction heat. Okosuko the curing reaction heat of reaction while self-generated Adhesive placement step of placing the adhesive between the bonded portion of the adhesive member and the bonded portion of the member to be bonded, using a chain reaction type adhesive that is cured in a chain manner, and the adhesive placement Each first bonded portion corresponding to each of the first bonded portions and the first bonded portions is implemented after a step, using first fixing means capable of fixing the bonded member and the bonded member to each other. A first fixing step of fixing both end portions of the specific direction of each part, and after the first fixing step, and arranged between the first joint portions and the first joint portions. The first curing step of applying energy to each of the adhesives and curing the adhesives disposed between the respective first joint portions and the respective first joint portions, and after the adhesive placement step. The adhesive member and the adherend member can be fixed to each other. Rutotomoni, with second fastening means capable of applying energy to between the fixed bonding member and the bonding member, the central portions in the specific direction of the second bonding portion and the second joint portion Energy is applied by the second fixing means to the adhesive disposed between the second bonding portion and the second bonded portion, which is performed after the second fixing step of fixing and the first curing step. And a second curing step for curing the adhesive disposed between the second joint and the second joint, and the adhesive member is a center in the specific direction of the second joint. Each of the first joining step so that the projecting end portion of the convex portion and the second joined portion are in contact with each other. 1 joining part and each said 1st to-be-joined part are each fixed, In the said 2nd fixing process, The convex portion and the second bonded portion are fixed so that the protruding end portion of the convex portion and the second bonded portion are in contact with each other, and in the second curing step, the second fixing means By heating the convex part, the adhesive disposed between the second joint part and the second joint part is heated to a temperature at which the chain curing of the adhesive starts. A method for manufacturing a bonded assembly is provided.

In this method, the adhesive between the first bonded portion and the first bonded portion is cured while both ends of the first bonded portion and the first bonded portion are fixed and constrained to each other. Therefore, it is possible to reduce the deformation amount of the first joint portion and the first joint portion due to the curing shrinkage of the adhesive. Further, by fixing both end portions of the first joint portion and the first joint portion, or by joining the first joint portion and the first joint portion with the adhesive. The both end portions of the second joint portion and the second joint portion are fixed to each other. Therefore, in this method, it is possible to suppress the deformation accompanying the curing shrinkage of the adhesive also for the second joint portion and the second joint portion. Moreover, above for the second joint portion and the second bonding portion, since the adhesive in a state where each other central portion of these were fixed constrained to each other is gradually hardened, the suppressed more amount of deformation It is done. This suppresses the entire deformation of the adhesive member and the adherend member and ensures the bonding strength thereof.

Further, in the method, the and the energy is applied from the central portion of these against the adhesive between the second joint the second bonding portion, to the end of the curing reaction of the chain of adhesive The distance can be kept short, and the curing reaction can be more reliably chained to ensure the bonding strength between the second bonded portion and the second bonded portion. In particular, energy is applied by the second fixing means, and the energy applied by the fixing member is deprived as compared to the case where the fixing member is provided separately from the energy applying member. Can be suppressed.

Furthermore, in this method, since each said 1st junction part and each said 1st to-be-joined part are fixed so that the protrusion edge part of the said convex part and a said 2nd to-be-joined part contact | abut, the said convex part Depending on the protrusion amount, the distance between the adhesive member and the member to be bonded can be easily set to a suitable value. That is, according to this method, particularly the management of the thickness of the adhesive between the adhesive member and the adherend member becomes easy, and the adhesive strength between the adhesive member and the adherend member can be easily and appropriately maintained. Is possible. Furthermore, in this method, energy is applied to the adhesive by using the convex portion and heating the convex portion, and means for applying energy while maintaining the thickness of the adhesive appropriately Energy can be imparted to the adhesive by a simple method without providing a separate layer.

Further, in the present invention, in the first curing step, to impart the energy the said central portion in a particular direction of adhesive disposed between the respective first bonding portion between the first joined section (Claim 2).

  If it does in this way, between the 1st joined part and the 1st to-be-joined part, the distance to the end of the chain of the hardening reaction of an adhesive agent can be kept short, and the hardening reaction can be chained more certainly. The bonding strength between the first bonded portion and the first bonded portion can be ensured.

  Here, in the present invention, a plurality of the second bonded portions are formed at the bonded portion of the adhesive member, and a plurality of the second bonded portions are formed at the bonded portion of the bonded member. (Claim 3).

In addition, the convex portion has a protruding wall provided at a protruding end portion thereof, and an outer peripheral wall extending continuously toward an outer periphery of the protruding wall toward the surface of the second joint portion, and the second fixed portion. The means has a tip surface that makes surface contact with the protruding wall, and the second fixing step fits the second fixing means to the convex portion so that the tip surface makes surface contact with the protruding wall. It is preferable to include the process of making it ( Claim 4 ).

  When the tip surface of the second fixing means is in surface contact with the protruding wall of the convex portion and the second fixing means is fitted to the convex portion, the second fixing means is moved to the convex shape. It can be easily positioned on the part. This facilitates the fixing of the adhesive member and the adherend by the second fixing means. In addition, since the surface contact provides a wider energy application area from the second fixing means to the convex portion, energy can be efficiently applied to the adhesive.

In addition, a specific method for performing the first curing step and the second curing step is not particularly limited, but a transport line that transports the adhesive member and the adherend member is used, The first curing step is performed at a first work station provided along the second line, and the second curing step is performed at a second work station provided downstream from the first work station along the transfer line. ( Claim 5 ).

In addition, the present invention provides a bonded assembly in which an adhesive is interposed between a bonded portion of an adhesive member and a bonded portion of an adherend member, and the adhesive member and the adherend member are bonded by curing the adhesive. The bonding portion of the adhesive member includes a plurality of first bonding portions that are separated from each other along a specific direction, and a second bonding portion that is positioned between the first bonding portions. The bonding portion of the adhesive member has a first bonded portion bonded to each of the first bonded portions and a second bonded portion bonded to the second bonded portion, and is given to a part from the outside. with cured while self-generated the curing reaction heat by energy is, causing the curing reaction of a curing reaction heat part where the curing reaction heat is adjacent to the site, which is self-generated by receiving the curing reaction heat while self-generated Chain reaction type of curing An adhesive placement means for placing an adhesive between the joint portion of the adhesive member and the joint portion of the adherend member; and after the placement of the adhesive by the adhesive placement means, each of the first joint portions; A first fixing means for fixing both ends in the specific direction of the respective first joint portions corresponding to the first joint portions; and after the fixing by the first fixing means, the first joints. Energy is applied to the adhesive disposed between the first bonding portion and each first bonded portion, and the adhesive disposed between each first bonded portion and each first bonded portion is cured. a first curing means for, after placement of the adhesive by the adhesive placement means, and a second fixing means for fixing the central portions among the said second joint second the specific direction of the joining portion wherein the adhesive member, said specific side of the second joint portion A convex portion projecting from the surface of the second joint portion, and the first fixing means is configured so that the projecting end portion of the convex portion and the second joint portion are in contact with each other. The first bonding portion and each of the first bonded portions are respectively fixed, and the second fixing means is configured such that, after the adhesive is cured by the first curing means , the protruding end portion of the convex portion and the second While fixing the said convex part and the said 2nd to-be-joined part in the state which a to-be-joined part contact | abuts , the temperature of the adhesive agent arrange | positioned between the said 2nd to-be-joined part and the 2nd to-be-joined part is Curing the adhesive disposed between the second joint portion and the second joint portion by heating the convex portion so as to reach a temperature at which the chain curing of the adhesive starts. providing an apparatus for manufacturing a junction assembly, wherein (claim 6).

According to the present apparatus, the both ends of the first joint portion and the first joint portion are fixed by the first fixing means, or by joining the first joint portion and the first joint portion, Since the adhesive member and the adherend member are constrained to each other, the adhesive agent can be cured in a state where the deformation amount of the adhesive member and the adherend member accompanying the curing shrinkage of the adhesive is suppressed. Moreover, the the second joint portion and the second bonding portion, since the adhesive is between central portions of these state of being fixed by the second fixing means is gradually cured, more amount of deformation Can be kept small. This suppresses the deformation of the adhesive member and the member to be bonded, and ensures the bonding strength between them.

Furthermore, in this apparatus, the which energy is applied from the central portion of these against the adhesive between the second joint the second bonding portion, to the end of the curing reaction of the chain of adhesive The distance can be kept short, and the curing reaction can be more reliably chained to ensure the bonding strength between the second bonded portion and the second bonded portion. In particular, energy is applied by the second fixing means, and the energy applied by the fixing member is deprived as compared to the case where the fixing member is provided separately from the energy applying member. Can be suppressed.

Furthermore, in this apparatus, since the distance between the adhesive member and the adherend member can be easily set to a suitable value depending on the protruding amount of the convex portion, the adhesive between the adhesive member and the adherend member In particular, it is possible to more appropriately maintain the adhesive strength between the adhesive member and the member to be bonded, particularly by controlling the thickness.

Further, in the apparatus, the first curing means, applying the said respective said energy central portion in a particular direction of adhesive disposed between the respective first bonding portion between the first joined section ( Claim 7 ).

  According to this configuration, the distance to the end of the chain of the curing reaction of the adhesive can be kept short between the first bonded portion and the first bonded portion, and the curing reaction can be more reliably chained. The bonding strength between the first bonded portion and the first bonded portion can be ensured.

Further, in the above device, the convex part has a projecting wall provided at the projecting end part, and an outer peripheral wall extending toward the surface of the second joint part continuously to the outer periphery of the projecting wall, the second fixing means, which has the convex part shape to be fitted, preferably has a tip surface which contacts a surface on the protruding wall of the convex portion and the fitted state by the convex portion (claim 8 ).

  According to this configuration, the second fixing means can be easily positioned on the convex portion, and the fixing of the adhesive member and the adherend member by the second fixing means becomes easy. In addition, it is possible to secure a wider energy application area from the second fixing means to the convex portion, and it is possible to efficiently apply energy to the adhesive.

Further, the present invention is provided along a transport line for transporting the adhesive member and the adherend member, the first fixing means and the first curing means, and the first fixing means and the first curing means, Both ends of the specific direction of the first joints corresponding to the first joints and the first joints corresponding to the first joints are respectively secured by one fixing means, and each of the first joints is fixed by the first curing means. A first work station where energy is applied to the adhesive disposed between the first joint and each first joint, and the second fixing means provided along the transport line. And a second work station for applying energy to the adhesive disposed between the second joint and the second joint by the second fixing means. 2 work steps Deployment also include those provided in the downstream of the first work station (claim 9).

  As described above, according to the present invention, it is possible to suppress the deformation of the adhesive member and the adherend member and to secure the bonding strength between these members.

  Hereinafter, a preferred embodiment of a method for manufacturing a joint assembly according to the present invention will be described with reference to the drawings. Here, a case where a center pillar inner panel (adhered member) 20 or the like is joined to a side frame outer panel (adhesive member) 10 of an automobile and a side frame assembly is manufactured as a joined assembly will be described. The side frame assembly is configured by joining various reinforcements and inner panels to the side frame outer panel 10 in addition to the center pillar inner panel 20, but the description is simplified here. Therefore, the case where the center pillar inner panel 20 is joined to the side frame outer panel 10 will be described.

  1 is a schematic plan view of the side frame outer panel 10, FIG. 2 is an enlarged perspective view of a region II in FIG. 1, and FIG. 3 is a sectional view taken along line III-III in 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.

  A vehicle body inner surface 14a (joint portion) of the outer flange 14 includes a plurality of first joint portions A1 that are first joined to the center pillar inner panel 20 in a first curing step described later, and a second curing step described later. The center pillar inner panel 20 and a plurality of second joints A2 joined second. The first joint A1 and the second joint A2 are alternately set along the periphery of the openings 11 and 12. In the present embodiment, six first joint portions A1 and six second joint portions A2 are set along the periphery of each opening portion 11, respectively.

  A projection (projection) 16 is formed at the center of each of the second joints A2 of the outer flange 14 so as to project from the surface 14a toward the inside of the vehicle body. As shown in FIGS. 2 and 3, the protruding portion 16 includes a circular protruding wall 16a extending substantially parallel to the vehicle body inner surface 14a of the outer flange 14, and a vehicle inner side of the outer flange 14 continuously to the protruding wall 16a. And a tapered circumferential wall (outer peripheral wall) 16b that widens toward the surface 14a.

  FIG. 4 is a schematic plan view of the center pillar inner panel 20. The center pillar inner panel 20 is attached to a portion of the side frame outer panel 10 between the front opening 11 and the rear opening 12 to constitute a center pillar (so-called B pillar). In the center pillar inner panel 20, a flange 24 (hereinafter referred to as an inner flange 24) is formed at a position corresponding to the outer flange 14.

  A vehicle body outer surface (bonded portion) 24 a of the inner flange 24 is connected to a first bonded portion B 1 set at a position corresponding to the first bonded portion A 1 of the outer flange 14 and a second bonded portion of the outer flange 14. It consists of 2nd to-be-joined part B2 set to the position corresponding to part A2.

  As shown in FIG. 5 which is a cross-sectional view taken along the line V-V of FIG. 4, each first joined portion B <b> 1 of the inner flange 24 penetrates through the vehicle body outer surface 24 a and the vehicle body inner surface 24 b. Each hole 26 is formed. The through hole 26 is provided at the center of each first bonded portion B1.

  As shown in FIG. 17 and the like, the side frame outer panel 10 and the center pillar inner panel 20 are formed by bonding the first joint A1 of the outer flange 14 and the first joint B1 of the inner flange 24 with the adhesive 4. And the second joined portion A2 of the outer flange 14 and the second joined portion B2 of the inner flange 24 are joined to each other by being adhered with an adhesive 4.

In the manufacturing method of the present bonded assembly, the side frame outer panel 10 and the center pillar inner panel 20 are bonded to each other by using a chain-type adhesive for 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.

  Moreover, in this embodiment, the said joining is implemented using the manufacturing apparatus 100 as shown in FIG. The manufacturing apparatus 100 includes a transport line L that transports the side frame outer panel 10 and the center pillar inner panel 20, and two work stations (first work station S1, second work station) provided along the transport line L. Station S2). The transport line L includes a first transport line L1 for transporting the side frame outer panel 10 and a second transport line L2 for transporting the center pillar inner panel 20. The first work station S1 is provided with an adhesive application device (adhesive placement means) 110, a first fixing device (first fixing means) 40, and a UV irradiation device 130 (first curing means). . The second work station S2 is provided with a second fixing device 140 and a high-frequency supply device 34.

  The adhesive application device 110 is for applying the adhesive 4 to the side frame outer panel 10. As shown in FIG. 7, 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 the nozzle And a driving robot 115 for driving 112.

  The first fixing device 40 is for fixing the side frame outer panel 10 and the center pillar inner panel 20 to each other in a first fixing step described later. As shown in FIG. 8, the first fixing device 40 includes a mounting table 41 and a plurality of clamping devices 43. The mounting table 41 is for mounting the side frame outer panel 10 and the like, and has mounting portions 42 that protrude upward at positions corresponding to the respective clamp devices 43. The clamp device 43 is configured to narrow the pressure between the side frame outer panel 10 and the center pillar inner panel 20 between the mounting portions 42, and includes a pressing member 43a. The pressing member 43a is configured to be rotatable between an open posture shown in FIG. 8 and a clamp posture shown in FIG. 10 by a toggle mechanism (not shown). The side frame outer panel 10 and the center pillar inner panel 20 are tightly pressed with each other. In the present embodiment, the pressing member 43a is made of a metal having thermal conductivity.

  The UV irradiation device 130 is for irradiating the adhesive 4 with ultraviolet rays. As the UV irradiation device 130, a known device capable of irradiating ultraviolet rays may be used, and the details thereof are omitted.

  The second fixing device 140 is for fixing the side frame outer panel 10 and the center pillar inner panel 20 to each other in a second fixing step described later. As shown in FIG. 13, the second fixing device 140 includes a mounting table 141 having a plurality of mounting portions 142 and a plurality of clamping devices 143 each having a pressing member 143a, as in the first fixing device 40. And. The second fixing device 140 is configured such that the side frame outer panel 10 and the center pillar inner between the pressing member 143a and the mounting portion 142 are formed when the pressing member 143a takes the clamping posture shown in FIG. The panel 20 is narrowed.

  However, unlike the first fixing device 40, the second fixing device 140 is provided with positioning heating pins 32 on a part of the mounting portions 142. The positioning heating pin 32 is fitted with the protruding portion 16 of the outer flange 14 to narrow the side frame outer panel 10 and the center pillar inner panel 20 between the pressing member 143a and the protruding portion. 16 is for heating.

  As shown in FIGS. 13 and 16, the positioning heating pin 32 has a substantially cylindrical shape that can be fitted to the protruding portion 16, and has a circular tip surface 32a and a taper continuous to the tip surface 32a. And a surface 32b. The distal end surface 32 a extends in the horizontal direction and comes into surface contact with the protruding wall 16 a of the protruding portion 16 in a state of being fitted to the protruding portion 16. The positioning heating pin 32 is made of a conductive member having a high thermal conductivity such as copper, and is heated by a high-frequency supply device 34 to be described later in a state where the positioning heating pin 32 is fitted to the protruding portion 16. Is granted.

  The high-frequency supply device 34 is for heating the positioning heating pin 32. The high frequency supply device 34 includes a high frequency generator 34a and a coil 34b. The coil 34 b is wound around the positioning heating pin 32. The high-frequency generator 34a is a known device that generates a high-frequency current, and the positioning heating pin 32 is heated to a predetermined temperature by applying a high-frequency current to the coil 34b by the high-frequency generator 34a. .

  Here, of the high-frequency supply device 34 and the second fixing device 140, the positioning heating pin 32 and the pressing member 143 corresponding to the positioning heating pin 32 function as second fixing means in claims.

  The manufacturing method of the present bonded assembly using the manufacturing apparatus 100 configured as described above includes the following steps.

1) placing step This step is a step of placing the side frame outer panel 10 on the mounting base 41 of the first fixing device 40.

  In this step, first, the side frame outer panel 10 transported from the upstream by the transport line L1 is transported to the first work station S1. Then, the side frame outer panel 10 is placed on the placement portion 42 of the first fixing device 40. Specifically, as shown in FIG. 17, the placement portions 42 are placed so as to be positioned at both ends of the first joint portion A <b> 1 of the outer flange 14.

2) Adhesive placement step This step is a step of placing the adhesive 4 between the side frame outer panel 10 and the center pillar inner panel 20.

  In this step, the adhesive 4 is applied to the side frame outer panel 10. Specifically, as shown in FIGS. 7 and 9, the drive robot 115 of the adhesive application device 110 is driven, and the adhesive 4 is supplied from the nozzle 112 to the vehicle body inner surface 14 a of the outer flange 14. Dispense up.

  Next, the center pillar inner panel 20 transported from the upstream by the transport line L1 is taken out to the first work station S1. And, as shown in FIG. 10, the center pillar inner panel 20 is sandwiched between the vehicle body outer surface 24a of the inner flange 24 and the vehicle body inner surface 14a of the outer flange 14, It is placed on the side frame outer panel 10.

  Thus, in this step, the adhesive 4 is disposed between the outer flange 14 and the inner flange 24.

3) First fixing step This step is a step of fixing the side frame outer panel 10 and the center pillar inner panel 20 to each other by the first fixing device 40.

  In this step, the pressing member 43a of the first fixing device 40 is rotated to the clamping posture. Then, the outer flange 14 of the side frame outer panel 10 and the inner flange 24 of the center pillar inner panel 20 are pinched between the pressing member 43a and the mounting portion 42 described above. Accordingly, as shown in FIGS. 12 and 17, both end portions of the first joint portion A <b> 1 of the outer flange 14 and both end portions of the first joint portion B <b> 1 of the inner flange 24 are fixed to each other.

  In the present embodiment, as shown in FIG. 17 and the like, the outer flange 14 and the inner flange 14a until the protruding wall 16a of the protruding portion 16 of the outer flange 14 and the vehicle body outer surface 24a of the inner flange 24 are in surface contact with each other. The distance between the outer flange 14 and the inner flange 24, and the thickness of the adhesive 4 sandwiched between them, is set to the height of the projecting portion 16. (D in FIG. 17).

  Here, when the chain reaction type adhesive 4 as described above is used, the management of the thickness of the adhesive 4 is important. That is, if the thickness of the adhesive 4 disposed between the members to be bonded is too thick, the adhesive strength (shear strength) may be reduced. If the thickness is too thin, the chain reaction of the adhesive 4 There is a risk that the amount of heat for maintaining the temperature cannot be secured. On the other hand, in the present embodiment, as described above, the protruding wall 16a and the vehicle body outer surface 24a of the inner flange 24 are brought into contact with each other, and between the outer flange 14 and the inner flange 24, The thickness of the adhesive 4 can be made uniform, and the thickness of the adhesive 4 can be easily managed by the height of the protruding portion 16, so that the decrease in the adhesive strength and the like can be avoided. For example, in this embodiment, each thickness of the outer flange 14 and the inner flange 24 is set to 0.8 mm, the height d of the protruding portion 16 is set to 0.5 mm, and the thickness of the adhesive 4 is set. This is 0.5 mm.

4) first curing step In this step, curing the adhesive agent 4 disposed between the first bonding portion B1 of the first joint part A1 and the In'nafuran di 24 of the outer flange 14 of the adhesive 4 In this step, the first joining portion A1 and the first joined portion B1 are joined.

  In this step, as shown in FIG. 11, the vehicle body UV irradiation device 130 irradiates the side frame outer panel 10 and the center pillar inner panel 20 sandwiched by the clamp 120 with ultraviolet rays. Specifically, the ultraviolet rays are applied to the inner side of the through hole 26 formed in the first joined portion B1 of the inner flange 24, and the adhesive 4 exposed in the through hole 26 is irradiated with the ultraviolet ray. Irradiate. The adhesive 4 irradiated with ultraviolet rays starts curing while generating cations and heat of curing reaction therein. As the curing reaction heat propagates, the adhesive 4 cures in a chain manner around the through hole 26.

However, at both ends of the first bonding portion B1 and the first joint portion A1 of the through hole 26 is formed, the pressing member 43 a having a thermal conductivity is pressed. Therefore, the results of curing reaction heat is deprived by the pressing member 43 a, as shown in FIG. 17, a chain curing reaction of the adhesive agent 4 was started in the vicinity of the through hole 26 is press member 43 a pressure position, that is the Stop at both ends of the first joint B1 and the first joint A1.

  Thus, in this process, among the outer flange 14 and the inner flange 24, the first joint portion A1 and the first joint portion B1 are joined. In particular, in the present embodiment, the curing of the adhesive 4 is started from the vicinity of the through hole 26 provided in the center of the first bonded portion B1, and the first bonded portion A1 and the first bonded portion B1. The distance to the end of the curing reaction of the adhesive 4 can be kept short, and the curing reaction is more reliably chained to ensure the bonding strength between the first bonded portion A1 and the first bonded portion B1. can do.

  Here, as described above, the adhesive 4 is sequentially cured, and the curing time differs depending on the curing location. For this reason, the side frame outer panel 10 and the center pillar inner panel 20 may be displaced due to distortion accompanying the curing shrinkage of the adhesive 4. However, in this step, since the curing is performed with both ends of the first joint A1 and the first joint B1 being fixed to each other, the side frame outer panel 10 and the center pillar inner panel 20 The deformation is suppressed, and the amount of deviation can be suppressed small.

  After the completion of this step, the side frame outer panel 10 and the center pillar inner panel 20 in which the first joint portion A1 and the first joint portion B1 are joined to each other are returned to the transport line L2.

5) Second fixing step This step is a step of fixing the side frame outer panel 10 and the center pillar inner panel 20 to each other by the second fixing device 140.

In this process, first, the side frame outer panel 10 and the center pillar inner panel 20 are joined from the transfer line L2 to the second work station S2 provided downstream of the first work station S1. Transport. Then, placed on mounting table 141 of the side frame outer panel 10 and the center pillar inner panel 20 and the ones that are joining the outer flange 14 the set to be below the second fixing device 140. Specifically, as shown in FIG. 18 and the like, the positioning heating pin 32 is fitted to the protruding portion 16 of the outer flange 14 and the mounting portion 142 provided with the positioning heating pin 32 is mounted. On the adjacent mounting part 142, it mounts so that the part in which the said through-hole 26 of the said inner flange 24 was formed may be located. In this state, the tip end surface 32 a of the positioning heating pin 32 is in surface contact with the protruding wall 16 a of the protruding portion 16.

  Next, the pressing member 143a of the second fixing device 140 is rotated to the clamping posture. Then, the outer flange 14 and the inner flange 24 are pinched between the pressing member 143a and the mounting portion 142 described above. Thus, the outer flange 14 and the inner flange 24 are fixed to each other at the center of the second joint A2 and the center of the second joint B2, and the center of the first joint A1. It is mutually fixed in the center of said 1st to-be-joined part B1.

6) Second curing step In this step, the adhesive 4 disposed between the second joint portion A2 of the outer flange 14 and the second joint portion B2 of the inner flange 24 is cured, and this second step is performed. This is a step of joining the joined part A2 and the second joined part B2.

  In this step, the high frequency generator 34a is operated to generate a high frequency current in the coil 34b, and the positioning heating pin 32 is heated. As described above, the positioning heating pin 32 is in surface contact with the protruding wall 16a of the protruding portion 16 at the tip end surface 32a. When the positioning heating pin 32 is heated, the protruding portion 16 is heated. Then, heat is input to the adhesive 4 around the protrusion 16 through the protrusion 16. As in the first curing step, the adhesive 4 to which heat has been input starts curing while generating cations and heat of curing reaction therein, and the vicinity of the protrusion 1626 as the curing reaction heat propagates. It cures in a chain, centering on Here, the high frequency generator 34a applies an electric current to the positioning heating pin 32 so that the protrusion 16 is heated to a temperature at which the curing of the adhesive 4 starts.

  Thus, in this step, the curing reaction heat propagates until the heat is taken away by the pressing member 143a pressed against the center of the first joint A1 and the center of the first joint B1. The adhesive 4 disposed in a region sandwiched between the center of the first joint A1 and the center of the first joint B1 is cured. More specifically, in the first step, since the adhesive 4 disposed in the first joint A1 and the first joint B1 has already been cured, in this step, the side frame outer panel 10 is used. In the center pillar inner panel 20, the adhesive 4 disposed at the second joint A2 and the second joint B2 is cured, and the second joint A2 and the second joint B2 are cured. And are joined. In particular, the curing reaction of the adhesive 4 starts from the central part of the second joint A2 and the second joint B2, and between the second joint A2 and the second joint B2. In this area, the distance of the adhesive 4 to the end of the curing reaction of the adhesive 4 is kept short. Therefore, the curing reaction of the adhesive 4 is more reliably chained, and the bonding strength between the second bonded portion A2 and the second bonded portion B2 is ensured.

  Here, both ends of the second bonded portion A2 and the second bonded portion B2 are already fixed by bonding of the first bonded portion A1 and the first bonded portion B1 in the first curing step. Therefore, in this step, curing of the adhesive 4 disposed in the second joint A2 and the second joint B2 is performed in a state where both ends thereof are fixed. As a result, the adhesive 4 is cured. Accordingly, the amount of deviation between the side frame outer panel 10 and the center pillar inner panel 20 is suppressed to be small. In particular, in this method, the adhesive 4 is cured in a state where the central portions of the second joint portion A2 and the second joint portion B2 are fixed to each other, and the shift amount can be reduced more reliably. Can do. In addition, the adhesive 4 between them is heated while fixing the second joint A2 and the second joint B2 by the positioning heating pin 32, and the second joint A2 and the second joint are separately heated. Compared with the case where a member for fixing the bonded portion B2 is attached, it is possible to suppress the deprivation of the heat or reaction heat applied by the fixing member and to heat the adhesive 4 efficiently. Can do.

  As described above, in the manufacturing method of the present bonded assembly, these side frames are suppressed while suppressing local deformation and displacement of the side frame outer panel 10 and the center pillar inner panel 20 due to curing shrinkage of the adhesive 4. The outer panel 10 and the center pillar inner panel 20 can be more reliably joined.

  Here, 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.

Further, specific methods for fixing the center pillar inner panel 20 together with the side frame outer panel 10 is not limited to the method using the pressing member 43 a such as described above.

  The specific structure of the protrusion 16 is not limited to the above.

Further, the specific structure of the positioning heating pin 32 is not limited to the above. However, if the positioning heating pin 32 is provided with a front end surface 32a that comes into surface contact with the protruding wall 16a of the protruding portion 16 of the outer flange 14. The positioning heating pin 32 can be easily positioned on the protrusion 16 by this surface contact. Further, heat can be efficiently transmitted from the tip surface 32a to the protruding portion 16.

The specific method of the first curing step is not limited to the above. For example, in the first curing step, the positioning heating pin 32 may be brought into contact with the through hole 26 of the inner flange 24, and the adhesive 4 near the through hole 26 may be heated by the positioning heating pin 32. . Further, instead of the through hole 26, the form of the same as the protrusion 16 on the inner flange 24, may be heated the adhesive 4 by the positioning heating pin 32 against the projecting portion.

  Further, the present invention can be applied not only when the two members (the side frame outer panel 10 and the center pillar inner panel 20) are joined as described above, but also when, for example, three or more members are joined. It is.

It is a schematic plan view of the side frame outer panel to which the manufacturing method of the joining assembly according to the present invention is applied. It is an expansion perspective view of the area | region II of FIG. It is the III-III sectional view taken on the line of FIG. It is a schematic plan view of the center pillar inner panel to which the manufacturing method of the joined assembly concerning the present invention is applied. It is the VV sectional view taken on the line of FIG. It is a figure which shows the outline | summary of the manufacturing apparatus of the joining assembly which concerns on this invention. It is a figure which shows the outline | summary of the adhesive agent coating apparatus in the manufacturing apparatus of the joining assembly which concerns on this invention. It is a figure which shows the outline | summary of the 1st fixing device in the manufacturing apparatus of the joining assembly which concerns on this invention. It is explanatory drawing which shows the aspect of the adhesive agent coating process in the manufacturing method of the joining assembly which concerns on this invention. It is explanatory drawing which shows the aspect of the 1st fixing process in the manufacturing method of the joining assembly which concerns on this invention. It is explanatory drawing which shows the aspect of the 1st hardening process in the manufacturing method of the joining assembly which concerns on this invention. It is explanatory drawing which shows the aspect of the 1st fixing process in the manufacturing method of the joining assembly which concerns on this invention. It is a figure which shows the outline | summary of the 2nd fixing device in the manufacturing apparatus of the joining assembly which concerns on this invention. It is explanatory drawing which shows the aspect of the 2nd hardening process in the manufacturing method of the joining assembly which concerns on this invention. It is explanatory drawing which shows the aspect of the 2nd fixing process in the manufacturing method of the joining assembly which concerns on this invention. It is a figure which shows the outline | summary of the high frequency supply apparatus in the manufacturing apparatus of the joining assembly which concerns on this invention. It is the XX sectional view taken on the line of FIG. It is the XI-XI sectional view taken on the line of FIG.

4 Adhesive 10 Center pillar inner panel (adhesive member)
14 Outer flange 14a Car body inner surface of outer flange (joint)
16 Protruding part (convex part)
16a Protruding wall 16b Circumferential wall (outer peripheral wall)
20 Side frame outer panel (bonded member)
24 Inner flange 24a Inner flange outer surface of vehicle body (joint)
40 First fixing device (first fixing means)
DESCRIPTION OF SYMBOLS 100 Manufacturing apparatus 110 Adhesive application apparatus (adhesive arrangement | positioning means)
130 UV irradiation device (first curing means)

Claims (9)

It is a method for manufacturing a bonded assembly in which an adhesive is interposed between a bonded portion of an adhesive member and a bonded portion of a bonded member, and the adhesive member and the bonded member are bonded by curing of the adhesive,
The bonding portion of the adhesive member includes a plurality of first bonding portions that are separated from each other along a specific direction, and a second bonding portion that is positioned between the first bonding portions,
The bonded portion of the bonded member includes a first bonded portion bonded to each of the first bonded portions, and a second bonded portion bonded to the second bonded portion,
The adhesive is cured while self-generating the curing reaction heat by the energy applied to a part from the outside, and the portion adjacent to the site where the curing reaction heat is self-generated is further cured by receiving the curing reaction heat. Using a chain reaction type adhesive that cures in a chain by causing a curing reaction while generating reaction heat , the adhesive is bonded between the bonded part of the adhesive member and the bonded part of the adherend member. An adhesive placement step to be placed;
Each of the first joint portions and the first joint portions corresponding to the first joint portions are implemented after the adhesive placement step, using first fixing means capable of fixing the adhesive member and the adherend member to each other. A first fixing step of fixing both ends in the specific direction of the first bonded portion;
Energy is applied to the adhesive disposed between the first joints and the first joints, which is performed after the first fixing step, and the first joints and the first joints. A first curing step of curing each of the adhesives disposed between the bonded portions;
Second fixing means that is implemented after the adhesive arranging step, and is capable of fixing the adhesive member and the adherend member to each other and applying energy between the fixed adhesive member and the adherend member. was used, and a second fixing step of fixing the central portions among the said second joint second the specific direction of the joining portion,
Energy is applied by the second fixing means to the adhesive disposed after the first curing step and disposed between the second joint and the second joint, and the second joint and A second curing step of curing the adhesive disposed between the second bonded parts ,
The adhesive member has a convex portion that protrudes from the surface of the second joint portion at the center in the specific direction of the second joint portion,
In the first fixing step, the first joint portions and the first joint portions are respectively fixed so that the protruding end portions of the convex portions and the second joint portions are in contact with each other.
In the second fixing step, the protruding portion and the second bonded portion are fixed so that the protruding end portion of the protruding portion and the second bonded portion are in contact with each other,
In the second curing step, the adhesive disposed between the second joining portion and the second joined portion is heated by the second fixing means to cause the adhesive to be chained. A method for manufacturing a joint assembly, characterized by heating to a temperature at which typical curing begins . A method for manufacturing a joined assembly according to claim 1,
In the first curing step, bonding, characterized by applying the energy the said central portion in a particular direction of adhesive disposed between the respective first bonding portion between the first joined section Manufacturing method of assembly. A method for manufacturing a joint assembly according to claim 1 or 2,
A joint assembly in which a plurality of the second joint portions are formed in the joint portion of the adhesive member, and a plurality of the second joint portions are formed in the joint portion of the adherend member. Manufacturing method. It is a manufacturing method of the joined assembly according to any one of claims 1 to 3 ,
The convex portion has a protruding wall provided at the protruding end portion, and an outer peripheral wall extending toward the surface of the second joint portion continuously to the outer periphery of the protruding wall,
The second fixing means has a tip surface in surface contact with the protruding wall,
The method for manufacturing a joint assembly, wherein the second fixing step includes a step of fitting the second fixing means to the convex portion so that the tip end surface thereof is in surface contact with the protruding wall. It is a manufacturing method of the joined assembly according to any one of claims 1 to 4 ,
Using the conveyance line which conveys the said adhesion member and the said to-be-adhered member, the said 1st hardening process is implemented in the 1st work station provided along this conveyance line, and said 1st along the said conveyance line A method for manufacturing a bonded assembly, wherein the second curing step is performed at a second work station provided downstream of the work station. An apparatus for manufacturing a bonded assembly, wherein an adhesive is interposed between a bonded portion of an adhesive member and a bonded portion of a bonded member, and the adhesive member and the bonded member are bonded by curing of the adhesive,
The bonding portion of the adhesive member includes a plurality of first bonding portions that are separated from each other along a specific direction, and a second bonding portion that is positioned between the first bonding portions,
The bonded portion of the bonded member includes a first bonded portion bonded to each of the first bonded portions, and a second bonded portion bonded to the second bonded portion,
The curing reaction heat by applying energy to a portion from the outside as well as cured while self-generated, further curing reaction heat of the self-generated portion where the curing reaction heat is adjacent to the site, which is self-generated by receiving the curing reaction heat An adhesive placement means for placing a chain reaction type adhesive that is cured in a chain by causing a curing reaction while being placed between the joint portion of the adhesive member and the joint portion of the adherend member;
After the placement of the adhesive by the adhesive placement means, the first joint portions and the first direction fixed ends of the first joint portions corresponding to the first joint portions are fixed to each other. 1 fixing means;
After the fixing by the first fixing means, energy is applied to each of the adhesives arranged between the first joints and the first joints, and the first joints and the first joints are provided. 1st hardening means which hardens each adhesive agent arranged between 1 to-be-joined parts,
After placement of the adhesive by the adhesive disposed means, and a second fixing means for fixing the central portions in the specific direction of the second bonding portion and the second joining portion,
The adhesive member has a convex portion that protrudes from the surface of the second joint portion at the center in the specific direction of the second joint portion,
The first fixing means fixes the first joint portions and the first joint portions, respectively, in a state where the protruding end portion of the convex portion and the second joint portion are in contact with each other,
The second fixing means is configured such that after the adhesive is cured by the first curing means , the protruding end of the convex and the second bonded portion are in contact with each other so that the protruding portion and the second bonded portion are in contact with each other. The convex portion is fixed so that the temperature of the adhesive disposed between the second joint portion and the second joint portion becomes a temperature at which the chain curing of the adhesive starts. An apparatus for manufacturing a bonded assembly, wherein the adhesive disposed between the second bonded portion and the second bonded portion is cured by heating the portion. An apparatus for manufacturing a joined assembly according to claim 6 ,
Wherein the first curing means is characterized by imparting the said each of the energy central portion in a particular direction of adhesive disposed between the respective first bonding portion between the first joined section Joining assembly manufacturing equipment. An apparatus for manufacturing a joined assembly according to claim 6 or 7 ,
The convex portion has a protruding wall provided at the protruding end portion, and an outer peripheral wall extending toward the surface of the second joint portion continuously to the outer periphery of the protruding wall,
The second fixing means has a shape that can be fitted to the convex portion, and has a tip surface that makes surface contact with the protruding wall of the convex portion in a state of being fitted to the convex portion. Product manufacturing equipment. An apparatus for manufacturing a joint assembly according to any one of claims 6 to 8 ,
A transport line for transporting the adhesive member and the adherend member;
The first fixing unit and the first curing unit are provided along the transport line, and the first fixing unit and the first bonding unit correspond to the first bonding unit by the first fixing unit. Both ends of the first bonded portion in the specific direction are fixed to each other, and the adhesive disposed between the first bonded portions and the first bonded portions by the first curing means. A first work station where the energy application of
Energy provided to the adhesive disposed along the transport line and provided between the second joint and the second joint by the second fastening means. A second work station on which the grant is carried out,
The apparatus for manufacturing a joined assembly, wherein the second work station is provided downstream of the first work station.

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