JP7026466B2 - Metal-fiber reinforced resin joint member - Google Patents

Description

The present invention relates to a metal-fiber reinforced resin bonding member which is a member in which a metal member and a fiber reinforced resin body are bonded, and particularly to a metal-fiber reinforced resin bonding member suitable for use as a component of a vehicle.

As is well known, fiber reinforced resin bodies such as CFRP (Carbon Fiber Reinforced Plastics) are lightweight and have high strength, so fiber reinforced resin parts have been used in place of metal parts even in vehicles. Therefore, there is a metal-fiber reinforced resin bonding member composed of a metal part (metal body) and a fiber reinforced resin bonding member, and a bonding structure between the metal member and the fiber reinforced resin body is required.

As the bonding structure of such a metal member and a fiber reinforced resin body, for example, there are those described in Patent Document 1 and Patent Document 2 below. Of these, the one described in Patent Document 1 is formed by molding a reinforcing fiber-containing resin body around at least a hole-forming portion of a plate-shaped metal member having a plurality of holes (through holes) formed therein. When the resin body is filled and solidified and the two are joined together, the joining strength can be improved by defining the properties of the holes and the composition of the resin body. Further, in Patent Document 2, after molding a fiber reinforced resin body around a metal insert member in which a screw hole is formed, a resin is penetrated through a sewn hole formed in the insert member. It is said that the joint strength can be improved by sewing the insert members together. At that time, the periphery of the insert member is a fiber-reinforced resin body made of a three-dimensional woven material.

Japanese Unexamined Patent Publication No. 2013-141814 Japanese Patent Application Laid-Open No. 2003-11233

By the way, when a fiber reinforced resin body is used in a vehicle, the specific fiber reinforced resin component has a use such as a substitute for a metal component made of a so-called plate material such as a roof, a hood, and a spoiler. When a fiber-reinforced resin part is used instead of the metal plate part, a reinforced fiber cloth woven with the reinforced fiber may be arranged inside the resin member constituting the fiber-reinforced resin body. However, in all of the above-mentioned patent documents, the fiber reinforced resin body is simply molded around the metal member, and the bonding strength is particularly high as the bonding structure between the fiber reinforced resin body containing the reinforced fiber fabric and the metal member. There is room for improvement in terms of.

The present invention has been made in view of the above problems, and an object thereof is to provide a metal-fiber reinforced resin bonding member having a simple structure and improved bonding strength between a metal member and a fiber reinforced resin body. To provide.

The metal-fiber reinforced resin bonding member for achieving the above objectives is
In a metal-fiber reinforced resin joint member formed by joining a fiber reinforced resin body in which a reinforced fiber cloth is arranged inside a resin member and a metal member, the metal member is engaged with the reinforced fiber cloth. The resin member has at least the engaging portion in a state where the reinforcing fiber fabric is engaged with the engaging portion, and the reinforcing fiber fabric is impregnated with the fiber reinforcing resin. It is characterized by constituting the body.

According to this configuration, in a state where the reinforcing fiber fabric is engaged with the engaging portion of the metal member, at least the engaging portion is covered with the resin member and the resin member is impregnated with the reinforcing fiber fabric to reinforce the fiber. A resin body is composed. As a result, not only the engaging portion between the reinforcing fiber cloth and the metal member is covered with the resin member and fixed, but also the reinforcing fiber cloth itself is engaged with the metal member. The bonding strength with the fiber reinforced resin body is improved.

Further , the engaging portion is characterized by being provided with a through hole through which the reinforcing fiber bundle of the reinforcing fiber fabric is inserted. The thermoplastic resin is characterized by containing reinforcing fibers.

According to this configuration, the reinforcing fiber cloth can be engaged with the metal member only by inserting the reinforcing fiber bundle of the reinforcing fiber cloth into the through hole, so that the engaging portion can be easily configured.

Further , the engaging portion is characterized in that it is provided with a concave portion and a convex portion for sandwiching the reinforcing fiber fabric by fitting each other.

According to this configuration, the reinforcing fiber cloth can be sandwiched and engaged with the metal member only by fitting the concave portion and the convex portion to each other, so that the engaging portion can be easily configured.

Further , the engaging portion is characterized by having a sandwiching structure for sandwiching the reinforcing fiber cloth.

According to this configuration, since the metal member can be engaged only by sandwiching the reinforcing fiber cloth by the sandwiching structure, the engaging portion can be easily configured.

Further , the engaging portion is characterized in that the reinforcing fiber cloth is bent in the front and back directions to include a locking piece for locking the reinforcing fiber cloth.

According to this configuration, the reinforcing fiber fabric can be engaged (locked) with the metal member simply by bending the reinforcing fiber fabric in the front and back directions with the locking piece, so that the engaging portion can be easily configured. ..

Also ,
In a method for manufacturing a metal-fiber reinforced resin bonded member formed by bonding a fiber reinforced resin body in which a reinforced fiber cloth is arranged inside a resin member and a metal member, the reinforced fiber cloth is formed on the metal member. A step of engaging with the engaged portion, a step of setting the reinforcing fiber cloth and the metal member in the mold with the reinforcing fiber cloth engaged with the engaging portion, and a step of setting the inside of the mold. It is characterized by comprising a step of injecting a resin into the fabric, covering at least the engaging portion with the cured resin member, and impregnating the reinforcing fiber fabric with the resin member to form the fiber-reinforced resin body. And.

According to this configuration, in a state where the reinforcing fiber fabric is engaged with the engaging portion of the metal member, at least the engaging portion is covered with the resin member and the resin member is impregnated with the reinforcing fiber fabric to reinforce the fiber. A resin body is composed. As a result, not only the engaging portion between the reinforcing fiber cloth and the metal member is covered with the resin member and fixed, but also the reinforcing fiber cloth itself is engaged with the metal member. The bonding strength with the fiber reinforced resin body is improved.

As described above, according to the present invention, not only the engaging portion between the reinforcing fiber cloth and the metal member is covered with the resin member and fixed, but also the reinforcing fiber cloth itself is engaged with the metal member. The simple structure improves the bonding strength between the metal member and the fiber-reinforced resin body.

It is explanatory drawing of the metal member and the reinforced fiber cloth which show 1st Embodiment of the metal-fiber reinforced resin bonding member of this invention and the manufacturing method thereof. FIG. 1 is a cross-sectional view showing a state in which a reinforcing fiber cloth is engaged with a metal member. It is explanatory drawing of the coating by the metal member of FIG. 1 and the resin member of a reinforced fiber cloth. It is a perspective view of the metal-fiber reinforced resin bonding member of the 1st Embodiment coated with a resin member. It is explanatory drawing of the metal member and the reinforcing fiber cloth which shows the modification of the 1st Embodiment of this invention. FIG. 5 is a cross-sectional view showing a state in which a reinforcing fiber cloth is engaged with a metal member. It is explanatory drawing of the metal member and the reinforced fiber cloth which show the 2nd Embodiment of the metal-fiber reinforced resin bonding member of this invention and the manufacturing method thereof. FIG. 7 is a cross-sectional view showing a state in which a reinforcing fiber cloth is engaged with a metal member. It is explanatory drawing of the coating by the metal member and the resin member of the reinforced fiber cloth of FIG. It is a perspective view of the metal-fiber reinforced resin bonding member of the 2nd Embodiment coated with a resin member. It is explanatory drawing of the metal member and the reinforcing fiber cloth which shows the modification of the 2nd Embodiment of this invention. It is explanatory drawing of the metal member and the reinforced fiber cloth which shows the 3rd Embodiment of the metal-fiber reinforced resin bonding member of this invention and the manufacturing method thereof. FIG. 12 is a partial cross-sectional side view showing a state in which the reinforcing fiber cloth is engaged with the metal member. It is explanatory drawing of the coating by the metal member and the resin member of the reinforced fiber cloth of FIG. It is a perspective view of the metal-fiber reinforced resin joint member of the 3rd Embodiment coated with a resin member. It is explanatory drawing of the metal member and the reinforcing fiber cloth which shows the modification of the 3rd Embodiment of this invention. FIG. 16 is a cross-sectional view of a state in which a reinforcing fiber cloth is engaged with a metal member. It is explanatory drawing of the metal member and the reinforced fiber cloth which show 4th Embodiment of the metal-fiber reinforced resin bonding member of this invention and the manufacturing method thereof. FIG. 18 is a side view showing a state in which the reinforcing fiber cloth is engaged with the metal member. It is explanatory drawing of the coating by the metal member and the resin member of the reinforced fiber cloth of FIG. It is a perspective view of the metal-fiber reinforced resin joint member of 4th Embodiment coated with a resin member. It is explanatory drawing of the metal member and the reinforced fiber cloth which show 5th Embodiment of the metal-fiber reinforced resin bonding member of this invention and the manufacturing method thereof. FIG. 22 is a cross-sectional view showing a state in which the reinforcing fiber cloth is engaged with the metal member. It is explanatory drawing of the coating by the metal member of FIG. 22 and the resin member of a reinforced fiber cloth. It is a perspective view of the metal-fiber reinforced resin bonding member of the 5th Embodiment coated with a resin member.

Hereinafter, embodiments of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same will be described in detail with reference to the drawings. The following embodiments and examples thereof are merely examples of the metal-fiber reinforced resin bonding member and its manufacturing method, and design items such as the shape and dimensions, or the number of laminated reinforced fiber fabrics may be appropriately or arbitrarily. It is configurable.

1 to 4 are explanatory views showing a first embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 1 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing the first embodiment of the metal-fiber reinforced resin bonding member and the method for manufacturing the same, and FIG. 2 is the metal member 14 of FIG. FIG. 3 is a cross-sectional view showing a state in which the reinforcing fiber cloth 12 is engaged with the metal member 14, FIG. 3 is an explanatory view of covering the metal member 14 of FIG. 1 and the resin member 18 of the reinforcing fiber cloth 12, and FIG. It is a perspective view of the metal-fiber reinforced resin joint member. It should be noted that each figure is schematically shown, and in particular, the resin member 18 of FIGS. 3 and 4 is exaggerated.

In this embodiment, for example, a metal member 14 made of a metal body is joined to one end in the longitudinal direction of a vertically long fiber reinforced resin body 10 to form a metal-fiber reinforced resin joining member. Similar to the existing CFRP, the vertically long fiber reinforced resin body 10 is internally fitted with a vertically long reinforced fiber cloth 12 made of, for example, a woven fabric of carbon fibers (reinforced fibers). The vertically elongated reinforced fiber cloth 12 is impregnated with a resin (resin member 18) to form a vertically elongated fiber reinforced resin body 10. In the example of the reinforcing fiber cloth 12, the reinforcing fibers are woven in the longitudinal direction of the cloth and the direction orthogonal to the longitudinal direction thereof to form the cloth. Hereinafter, the fiber direction orthogonal to the longitudinal direction of the vertically long reinforced fiber cloth 12 (the same applies to the fiber reinforced resin body 10) is defined as the width direction, and the front and back directions of the cloth are defined as the front and back directions.

In this embodiment, as shown in FIG. 1A, a plurality of bundles of reinforcing fibers (reinforced fiber bundles) 22 constituting the fabric are provided at one end in the longitudinal direction of the vertically long reinforcing fiber fabric 12 (seven in the figure). ) It is protruding. In the plurality of reinforcing fiber bundles 22 in this embodiment, those having a large protrusion dimension and those having a small protrusion dimension are alternately arranged in the order of length, short, long, etc. from the widthwise end portion of the reinforcing fiber cloth 12. It should be noted that the protruding dimensions of the reinforcing fiber bundles 22 are the same, with large ones being large ones and small ones being small ones. The protruding dimensions of the reinforcing fiber bundle 22 may be substantially the same.

On the other hand, the metal member 14 in this embodiment is composed of a square metal plate having a width at least in the width direction of the reinforcing fiber cloth 12. The metal member 14 made of this metal plate material has a relatively small thickness. At the end of the metal member 14 to which the fiber-reinforced resin body 10 is joined, a through hole is provided as an engaging portion 16 for engaging the reinforcing fiber cloth 12 corresponding to the forming portion of the reinforcing fiber bundle 22. 20 are formed in two rows from the end and arranged in a staggered pattern. More specifically, among the reinforcing fiber bundles 22 of the reinforcing fiber cloth 12 to be engaged, the through hole 20 corresponding to the reinforcing fiber bundle 22 having a large protrusion dimension is a metal member to which the reinforcing fiber cloth 12 is engaged. The through hole 20 corresponding to the reinforcing fiber bundle 22 which is formed at a position far from the end of 14 and has a small protrusion dimension is formed at a close position.

Then, in this embodiment, as shown in FIG. 1 (b), the reinforcing fiber bundles 22 of the reinforcing fiber cloth 12 are inserted into the through holes 20 arranged in two rows in a staggered manner from one side. .. This is done by inserting, for example, one surface of the plate-shaped metal member 14, for example, each reinforcing fiber bundle 22 formed long and short from the upper surface in the figure into the corresponding through hole 20, as clearly shown in the cross-sectional view of FIG. The protruding tip of each reinforcing fiber bundle 22 is engaged so as to be hooked on the other surface of the metal member 14, that is, the lower surface in the figure. As a result, for example, a frictional force acts between the corners of the through hole 20 and the reinforcing fiber bundle 22. As is well known, since the bundle of reinforcing fibers has a large restoring force, a large frictional force is generated between the bundle of reinforcing fibers and the metal member 14 simply by hooking the bundle of reinforcing fibers on the upper and lower surfaces of the metal member 14 through the through hole 20. By this frictional force, the reinforcing fiber bundle 22, that is, the reinforcing fiber cloth 12, is engaged with the metal member 14.

When the reinforcing fiber cloth 12 is engaged with the engaging portion 16 of the metal member 14 in this way, the reinforcing fiber cloth 12 and the metal member 14 are made of gold as shown in FIG. 3A in the engaged state. Set in the mold 40. The mold 40 is for injecting resin, and is composed of, for example, an upper mold 40a and a lower mold 40b. A seal 41 is interposed between the metal member 14 and the mold 40 to prevent the resin from leaking. In this state, the resin is injected into the mold 40 by using, for example, a well-known method such as RTM (Resin Transfer Molding). For this resin, which is also generally called a matrix, for example, epoxy, nylon, polyurethane resin, or the like is used. When the injected resin is cured, the mold 40 is released as shown in FIG. 3 (b). As a result, as shown in FIG. 4, at least the engagement portion 16 between the reinforcing fiber cloth 12 and the metal member 14 is covered with the resin member 18, and the fiber reinforced resin body is impregnated with the resin member 18 in the reinforcing fiber cloth 12. 10 is configured, thereby completing the metal-fiber reinforced resin bonding member.

Generally, when a metal member made of a metal body and a fiber reinforced resin member made of a fiber reinforced resin body are individually manufactured and joined to each other, for example, an adhesive or a mechanical fastening means is used. For example, bolts and nuts are used as the mechanical fastening means. However, the main purpose of using the fiber reinforced resin body is to reduce the weight, while the use of a mechanical fastening means such as a heavy bolt-nut contradicts the main purpose of using the fiber reinforced resin body. In that respect, bonding with an adhesive does not increase the weight so much, but on the other hand, the adhesive strength is often insufficient.

On the other hand, in this embodiment, the reinforcing fiber cloth 12 is engaged with the engaging portion 16 of the metal member 14 made of a metal body, and in that state, at least the engaging portion 16 is covered with the resin member 18 and the resin member. 18 is impregnated into the reinforced fiber cloth 12 to form the fiber reinforced resin body 10. Therefore, not only the engaging portion 16 between the reinforcing fiber cloth 12 and the metal member 14 is covered with the resin member 18 and fixed, but also the reinforcing fiber cloth 12 itself is engaged with the metal member 14, which is a simple configuration. The bonding strength between the metal member 14 and the fiber reinforced resin body 10 is improved.

Further, since the engaging portion 16 is provided with the through hole 20 for inserting the reinforcing fiber bundle 22 of the reinforcing fiber cloth 12, the reinforcing fiber cloth is simply inserted through the through hole 20 with the reinforcing fiber bundle of the reinforcing fiber cloth 12. Since the 12 can be engaged with the metal member 14, the engaging portion 16 can be easily configured.

5 and 6 show modified examples of the first embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 5 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing a modified example of the metal-fiber reinforced resin bonding member and the first embodiment of the method for manufacturing the same, and FIG. 6 is FIG. It is sectional drawing of the state in which the reinforcing fiber cloth 12 is engaged with the metal member 14. In this modification, as shown in FIG. 5A, a plurality of reinforcing fiber bundles 22 having the same protrusion dimension (seven in the figure) are projected from one end in the longitudinal direction of the vertically long reinforcing fiber cloth 12. .. On the other hand, in the metal member 14 in this modification, the engaging portion 16 for engaging the reinforcing fiber cloth 12 with the joint end portion of the fiber reinforced resin body 10 penetrates corresponding to the forming portion of the reinforcing fiber bundle 22. The holes 20 are formed in multiple rows (two rows in the figure) from the ends and are arranged in parallel with each other.

Then, in this modification, as shown in FIG. 5B, each reinforcing fiber bundle 22 of the reinforcing fiber cloth 12 is sewn into each through hole 20 arranged in two rows and inserted. For example, as shown in the cross-sectional view of FIG. 6, when the reinforcing fiber bundle 22 is inserted from the upper left to the lower right through the through hole 20 on the left side of the drawing, the lower left side of the through hole 20 on the right side of the drawing. By inserting the reinforcing fiber bundle 22 in the upper right corner, the reinforcing fiber bundle 22 is sewn into the metal member 14. As described above, since the bundle of reinforcing fibers has a large restoring force, a large frictional force acts between the bundle of reinforcing fibers and the metal member 14, and the frictional force causes the reinforcing fiber bundle 22, that is, the reinforcing fiber cloth 12 to be made of metal. Engage with member 14. Further, in this embodiment, the reinforcing fiber bundles 22 are inserted so that the adjacent reinforcing fiber bundles 22 are inserted into the adjacent through holes 20 from the opposite direction, that is, the reinforcing fiber bundles 22 are sewn alternately. It is inserted through the through hole 20. By sewing the reinforcing fiber bundles 22 alternately into the metal member 14 in this way, the restoring force generated in the adjacent reinforcing fiber bundles 22 becomes larger, and as a result, a large frictional force acts between the reinforcing fiber bundles 22 and the metal member 14. The reinforcing fiber cloth 12 and the metal member 14 are firmly engaged with each other. When the reinforced fiber fabric 12 and the metal member 14 are engaged in this way, they are set in the mold, and the resin is injected and solidified to form the metal-fiber reinforced resin bonding member in the same manner as in the first embodiment. To get.

7 to 10 are explanatory views showing a second embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 7 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing the second embodiment of the metal-fiber reinforced resin bonding member and the method for manufacturing the same, and FIG. 8 is the metal member 14 of FIG. FIG. 9 is a cross-sectional view showing a state in which the reinforcing fiber cloth 12 is engaged with the metal member 14, FIG. 9 is an explanatory view of covering the metal member 14 of FIG. 7 and the resin member 18 of the reinforcing fiber cloth 12, and FIG. It is a perspective view of the metal-fiber reinforced resin joint member. It should be noted that each figure is schematically shown, and in particular, the resin member 18 of FIGS. 9 and 10 is exaggerated.

The schematic configuration of the metal-fiber reinforced resin bonding member in this embodiment is the same as that in the first embodiment. Further, in the reinforcing fiber cloth 12 of the fiber reinforced resin body 10 in this embodiment, long and short reinforcing fiber bundles 22 are projected from the ends engaged with the metal member 14, as in the first embodiment. However, in this embodiment, the reinforcing fiber fabric 12 is formed in the order of short, long, short, and so on from the widthwise end. On the other hand, the metal member 14 in this embodiment is also made of a square metal plate as in the first embodiment, but in this embodiment, the plate thickness is slightly large. In the metal member 14, a plurality of recesses 23 are formed, for example, in a staggered manner at the joint end portion of the fiber reinforced resin body 10 as an engaging portion 16 for engaging the reinforced fiber cloth 12. .. Specifically, among the reinforcing fiber bundles 22 of the reinforcing fiber cloth 12 to be engaged, the recess 23 corresponding to the reinforcing fiber bundle 22 having a small protrusion dimension is the metal member 14 to which the reinforcing fiber cloth 12 is engaged. The recess 23 corresponding to the reinforcing fiber bundle 22 which is formed at a position closer to the end and has a large protrusion dimension is formed at a distant position. The recess 23 may be a hole.

In this embodiment, in order to engage the reinforcing fiber cloth 12 with the engaging portion 16 having the recess 23 described above, an engaging member 24 that is separate from the metal member 14 is used. The material of the engaging member 24 can be appropriately selected, but for weight reduction, for example, resin or the like can be applied. It is also possible to use an elastic material such as rubber as the material of the engaging member 24. The engaging member 24 of this embodiment is a plate material similar to the metal member 14, and a plurality of convex portions 25 are projected on one surface (lower surface in FIG. 7A) of the plate material. The convex portion 25 is formed at a position facing the concave portion 23 of the metal member 14, and is fitted (freely fitted) in the concave portion 23, respectively.

Therefore, the corresponding reinforcing fiber bundles 22 are put on each of the plurality of concave portions 23 of the metal member 14 constituting the engaging portion 16, and the convex portions 25 are aligned so as to face the concave portions 23. 24 is placed on the upper surface of the reinforcing fiber cloth 12, and the engaging member 24 is pressed against the metal member 14 as shown in FIG. 7B so that each convex portion 25 fits into the corresponding concave portion 23. As a result, as shown in the cross-sectional view of FIG. 8, the reinforcing fiber cloth 12 is sandwiched between the concave portion 23 of the metal member 14 and the convex portion 25 of the engaging member 24, and the reinforcing fiber is inserted into the engaging portion 16 of the metal member 14. The fabric 12 is engaged. At this time, the dimensions of the concave portion 23 of the metal member 14 and the convex portion 25 of the engaging member 24 are set so as not to be excessively tightly fitted, that is, to be loosely fitted. As is well known, reinforcing fibers exhibit great strength against tension in the fiber direction, but are relatively fragile against shearing. When the reinforcing fiber fabric 12 is sandwiched between the concave portion 23 and the convex portion 25, a shearing force acts on the reinforcing fibers constituting the fabric, so that the shearing force does not become too large, that is, the concave portion 23 and the convex portion. Both dimensions are set so that the 25 is loosely fitted.

When the reinforcing fiber cloth 12 is engaged with the engaging portion 16 of the metal member 14 in this way, the reinforcing fiber cloth 12 and the metal member 14 are made of gold as shown in FIG. 9A in the engaged state. Set in the mold 40. The mold 40 is for injecting resin as in the first embodiment, and is composed of, for example, an upper mold 40a and a lower mold 40b, and a seal is provided between the metal member 14 and the mold 40. The resin is prevented from leaking by interposing 41. In this state, for example, the resin is injected into the mold 40 as in the first embodiment, and when the injected resin is cured, the mold 40 is released as shown in FIG. 9B. As a result, as shown in FIG. 10, at least the engagement portion 16 between the reinforcing fiber cloth 12 and the metal member 14 is covered with the resin member 18, and the fiber reinforced resin body is impregnated with the resin member 18 in the reinforcing fiber cloth 12. 10 is configured, thereby completing the metal-fiber reinforced resin bonding member.

Therefore, in this embodiment, in addition to the effect of the first embodiment described above, the engaging portion 16 is provided with the concave portion 23 and the convex portion 25 for sandwiching the reinforcing fiber fabric 12 by fitting each other. As a result, the reinforcing fiber cloth 12 can be sandwiched and engaged with the metal member 14 simply by fitting the concave portion 23 and the convex portion 25 to each other, so that the engaging portion 16 can be easily configured. The concave portion 23 may be formed on the engaging member 24, and the convex portion 25 may be formed on the metal member 14.

FIG. 11 shows a modified example of the second embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 11 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing a modified example of the metal-fiber reinforced resin bonding member and the second embodiment of the manufacturing method thereof. In this modification, the end of the reinforcing fiber fabric 12 with the metal member 14 remains in a vertically elongated rectangular shape. On the other hand, the metal member 14 and the engaging member 24 in this modification are the same as those in the second embodiment. In this modification, the square ends of the reinforced fiber fabric 12 are placed on the upper surfaces of the plurality of recesses 23 of the metal member 14 constituting the engaging portion 16, and the convex portions 25 are aligned so as to face the concave portions 23. The engaging member 24 is placed on the upper surface of the reinforcing fiber fabric 12, and the engaging member 24 is pressed against the metal member 14 as shown in FIG. 7B so that each convex portion 25 fits into the corresponding recess 23. As a result, the reinforcing fiber cloth 12 itself is sandwiched between the concave portion 23 of the metal member 14 and the convex portion 25 of the engaging member 24, and the reinforcing fiber cloth 12 is engaged with the engaging portion 16 of the metal member 14. When the reinforced fiber fabric 12 and the metal member 14 are engaged in this way, they are set in the mold, and the resin is injected and solidified to form the metal-fiber reinforced resin bonding member in the same manner as in the second embodiment. To get. The position of the recesses 23 is not particularly limited, and the recesses 23 may be arranged so as to be adjacent to each other as in the embodiment shown in FIG.

12 to 15 are explanatory views showing a third embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 12 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing the third embodiment of the metal-fiber reinforced resin bonding member and the method for manufacturing the same, and FIG. 13 is the metal member 14 of FIG. A partial cross-sectional side view in a state where the reinforcing fiber cloth 12 is engaged with the reinforcing fiber cloth 12, FIG. 14 is an explanatory view of covering the metal member 14 of FIG. 12 and the resin member 18 of the reinforcing fiber cloth 12, and FIG. 15 is a resin member 18. It is a perspective view of the coated metal-fiber reinforced resin joint member. It should be noted that each figure is schematically shown, and in particular, the resin member 18 of FIGS. 14 and 15 is drawn exaggeratedly.

The schematic configuration of the metal-fiber reinforced resin bonding member in this embodiment is the same as that in the first embodiment. Further, the end portion of the fiber reinforced resin body 10 in this embodiment with the metal member 14 of the reinforced fiber fabric 12 has a vertically long rectangular shape as in the modified example of the second embodiment shown in FIG. It remains. On the other hand, in the metal member 14 in this embodiment, a plurality of (six in the figure) engaging protrusions are directed from the end of the metal plate having a width equal to or larger than the width of the reinforcing fiber cloth 12 toward the reinforcing fiber cloth 12 side. 21 is projected so as to form an engaging portion 16 having a sandwiching structure. Specifically, as shown in FIG. 12 (a), these engaging protrusions 21 are relatively thin, flat, and comb-shaped, and the engaging protrusions 21 are the reinforcing fiber cloth 12. Along the plane direction (joining direction) of, for example, it is inserted so as to be sewn into the fiber.

In this embodiment, in order to engage the reinforcing fiber cloth 12 with the engaging portion 16 composed of a plurality of comb-shaped engaging protrusions 21, a sandwiching member 27 separate from the metal member 14 is used. The sandwiching member 27 is bent to sandwich the reinforcing fiber cloth 12 with the sandwiching receiving portion 26. Specifically, a strip-shaped sandwiching member 27 bent into a U-shaped cross section as shown in FIG. 12A is used. The material of the sandwiching member 27 can be appropriately selected, but in this example, it needs to be a material that can maintain a bent state, that is, a material that can be plastically deformed.

Therefore, a plurality of engaging protrusions 21 of the metal member 14 constituting the engaging portion 16 are inserted into the fibers of the reinforcing fiber cloth 12 by sewing, for example, and the sandwiching member 27 having a U-shaped cross section is covered from above. , As shown in FIG. 12B, both leg portions 27a of the sandwiching member 27 are bent inward from each other. As a result, as shown in the partial cross-sectional side view of FIG. 13, the engaging protrusion 21 projecting from the metal member 14 and the reinforcing fiber cloth 12 are sandwiched by the sandwiching member 27, and the metal member 14 is engaged. The reinforcing fiber cloth 12 is engaged with the portion 16. Further, in this embodiment, the frictional force generated between the fibers of the reinforcing fiber cloth 12 that are in close contact with each other and the comb-shaped engaging protrusion 21 is also added to the engaging force of the metal member 14 and the reinforcing fiber cloth 12. .. It should be noted that the insertion of the engaging protrusion 21 of the metal member 14 into the reinforcing fiber cloth 12 does not necessarily have to be in the form of sewing, for example, the metal member 14 is inserted between the weaves of the reinforcing fiber cloth 12. It may be in shape.

When the reinforcing fiber cloth 12 is engaged with the engaging portion 16 of the metal member 14 in this way, the reinforcing fiber cloth 12 and the metal member 14 are made of gold as shown in FIG. 14 (a) in the engaged state. Set in the mold 40. The mold 40 is for injecting resin as in the first embodiment, and is composed of, for example, an upper mold 40a and a lower mold 40b, and a seal is provided between the metal member 14 and the mold 40. The resin is prevented from leaking by interposing 41. In this state, for example, the resin is injected into the mold 40 as in the first embodiment, and when the injected resin is cured, the mold 40 is released as shown in FIG. 14 (b). As a result, as shown in FIG. 15, at least the engagement portion 16 between the reinforcing fiber cloth 12 and the metal member 14 is covered with the resin member 18, and the fiber reinforced resin body is impregnated with the resin member 18 in the reinforcing fiber cloth 12. 10 is configured, thereby completing the metal-fiber reinforced resin bonding member.

Therefore, in this embodiment, in addition to the effect of the first embodiment described above, the sandwiching structure (sandwiching receiving portion 26, sandwiching member 27) for sandwiching the reinforcing fiber cloth 12 is provided and engaged. Since the portion 16 can be engaged with the metal member 14 only by sandwiching the reinforcing fiber cloth 12 by the sandwiching structure, the engaging portion 16 can be easily configured. Further, by inserting the comb-shaped engaging protrusion 21 into the fiber of the reinforcing fiber cloth 12, the frictional force generated between the two is added to the engaging force of the metal member 14 and the reinforcing fiber cloth 12, and the bonding strength between the two is added. Can be further improved.

16 and 17 show modified examples of the third embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 16 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing a modified example of the metal-fiber reinforced resin bonding member and the third embodiment of the manufacturing method thereof, and FIG. 17 is a perspective view of FIG. It is sectional drawing of the state in which the reinforcing fiber cloth 12 is engaged with the metal member 14.

The schematic configuration of the metal-fiber reinforced resin bonding member in this modification is the same as that of the first embodiment. Further, the reinforced fiber cloth 12 of the fiber reinforced resin body 10 in this modified example still has a vertically long rectangular shape. On the other hand, the metal member 14 in this embodiment is also made of a square metal plate as in the first embodiment, and among the metal members 14, the joint end portion of the fiber reinforced resin body 10 is made of a reinforced fiber cloth. As the engaging portion 16 for engaging the 12, a plate-shaped sandwiching receiving portion 26 for forming a sandwiching structure for sandwiching the reinforcing fiber cloth 12 is projected so as to add a plate material. A regulation edge portion 26a is projected toward the lower part of the figure at the protruding end portion of the plate-shaped sandwiching receiving portion 26, so that the sandwiching receiving portion 26 has an L-shaped cross section. It has become. Further, the plate-shaped sandwiching receiving portion 26 has a width equal to or slightly smaller than the width of the reinforcing fiber cloth 12.

Also in this modification, in order to engage the reinforcing fiber cloth 12 with the engaging portion 16 composed of the above-mentioned plate-shaped sandwiching receiving portion 26, the sandwiching member 27 that is separate from the metal member 14 is used for this sandwiching. The member 27 is bent and the reinforcing fiber cloth 12 is sandwiched between the member 27 and the sandwich receiving portion 26. Specifically, as in the third embodiment, the band-shaped sandwiching member 27 bent into a U-shaped cross section as shown in FIG. 16A is used. The material of the sandwiching member 27 can also be appropriately selected, but in this example, it needs to be a material that can maintain a bent state, that is, a material that can be plastically deformed.

When engaging the reinforcing fiber cloth 12 and the metal member 14 in this modification, the reinforcing fiber cloth 12 is placed on the upper surface of the plate-shaped sandwiching receiving portion 26 of the metal member 14 constituting the engaging portion 16. A sandwiching member 27 having a U-shaped cross section is covered from above, and as shown in FIG. 16B, both leg portions 27a of the sandwiching member 27 are bent inward from each other. As a result, as shown in the partial cross-sectional side view of FIG. 17, the reinforcing fiber cloth 12 is sandwiched between the sandwiching receiving portion 26 extended to the metal member 14 and the sandwiching member 27, and the metal member 14 is engaged. The reinforcing fiber cloth 12 is engaged with the portion 16. At that time, both leg portions 27a of the bent sandwiching member 27 are restricted from moving in the longitudinal direction of the reinforcing fiber fabric 12 by the restricting edge portion 26a, whereby the reinforcing fiber fabric by the sandwiching member 27 and the sandwiching receiving portion 26 is restricted. The pinch of 12 does not come off.

In this modification, both legs 27a of the sandwiching member 27 having a U-shaped cross section are bent to sandwich the reinforcing fiber cloth 12, but for example, a U-shaped cross section having a short leg portion 27a is sandwiched. Short claws are projected inward from the tips of both legs 27a of the attachment member 27, and the attachment member is attached to both ends of the attachment receiving portion 26 in the width direction from the upper side of the reinforcing fiber cloth 12 mounted on the attachment receiving portion 26. The leg portion 27a of the 27 may be pushed in so that the claw portion at the tip of the leg portion 27a abuts on the lower surface of the sandwiching receiving portion 26 due to the elastic deformation of the sandwiching member 27. In this case, the sandwiching member 27 does not have to be a plastically deformable material, and for example, an elastic resin or the like can be used for weight reduction.

18 to 21 are explanatory views showing a fourth embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 18 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing the fourth embodiment of the metal-fiber reinforced resin bonding member and the method for manufacturing the same, and FIG. 19 is the metal member 14 of FIG. 20 is an explanatory view of the metal member 14 of FIG. 18 and the coating of the reinforcing fiber cloth 12 with the resin member 18, and FIG. 21 is a side view of the reinforcing fiber cloth 12 covered with the resin member 18. It is a perspective view of the metal-fiber reinforced resin joint member. It should be noted that each figure is schematically shown, and in particular, the resin member 18 of FIGS. 20 and 21 is exaggerated.

The schematic configuration of the metal-fiber reinforced resin bonding member in this embodiment is the same as that in the first embodiment. Further, the reinforced fiber cloth 12 of the fiber reinforced resin body 10 in this embodiment still has a vertically long rectangular shape. On the other hand, the metal member 14 in this embodiment is composed of, for example, a vertically long rectangular metal plate material 29 having a width equivalent to the width of the reinforced fiber cloth 12 and having a relatively small plate thickness, and among the metal members 14, the fiber reinforced material 14 is formed. At the joint end of the resin body 10, a sandwiching structure for sandwiching the reinforcing fiber cloth 12 is configured as an engaging portion 16 for engaging the reinforcing fiber cloth 12. In this embodiment, as the sandwiching structure, the sandwiching port 28 is formed by bending the metal plate 29 constituting the metal member 14. As shown in FIG. 18A, the sandwiching port 28 is formed by bending the end portions of the metal plate members 29 constituting the metal member 14 in a Z shape, and the bent portions on the metal member 14 side are previously bent between the plate members 29. The bent portions on the side far from the metal member 14 are bent and molded so that the plate members 29 do not adhere to each other and are opened. This opening portion constitutes the pinching opening 28.

In this embodiment, the longitudinal end portion of the reinforcing fiber cloth 12 is inserted into the above-mentioned pinching opening 28, and in that state, as shown in FIG. 18B, the upper plate material of the pinching opening 28 is shown. The 29a is bent downward and the end portion of the reinforcing fiber cloth 12 is sandwiched between the upper plate material 29a and the plate material 29 below the upper plate material 29a. As a result, as shown in the side view of FIG. 19, the reinforcing fiber cloth 12 is sandwiched in the sandwiching opening 28 as the engaging portion 16 formed in the metal member 14, and the engaging portion 16 of the metal member 14 is sandwiched. The reinforcing fiber cloth 12 is engaged with the cloth.

When the reinforcing fiber cloth 12 is engaged with the engaging portion 16 of the metal member 14 in this way, the reinforcing fiber cloth 12 and the metal member 14 are made of gold as shown in FIG. 20 (a) in the engaged state. Set in the mold 40. The mold 40 is for injecting resin as in the first embodiment, and is composed of, for example, an upper mold 40a and a lower mold 40b, and a seal is provided between the metal member 14 and the mold 40. The resin is prevented from leaking by interposing 41. In this state, for example, the resin is injected into the mold 40 as in the first embodiment, and when the injected resin is cured, the mold 40 is released as shown in FIG. 20 (b). As a result, as shown in FIG. 21, at least the engagement portion 16 between the reinforcing fiber cloth 12 and the metal member 14 is covered with the resin member 18, and the fiber reinforced resin body is impregnated with the resin member 18 in the reinforcing fiber cloth 12. 10 is configured, thereby completing the metal-fiber reinforced resin bonding member.

Therefore, in this embodiment, as in the third embodiment described above, the engaging portion 16 is configured by providing the sandwiching structure (pinching port portion 28) for sandwiching the reinforcing fiber cloth 12. Since the reinforcing fiber cloth 12 can be engaged with the metal member 14 only by sandwiching the reinforcing fiber cloth 12 by the sandwiching structure, the engaging portion 16 can be easily configured.

It should be noted that a protrusion that bites into the reinforcing fiber cloth 12, such as a tooth-like shape, a fang-like shape, or a claw-like shape, may be provided at the tip end portion on the pinching opening portion 28 side of the upper plate material 29a. By doing so, the engaging force between the reinforcing fiber cloth 12 and the metal member 14 increases, and as a result, the bonding strength between the metal member 14 and the fiber reinforced resin body 10 is further improved.

22 to 25 are explanatory views showing a fourth embodiment of the metal-fiber reinforced resin bonding member of the present invention and the method for manufacturing the same. Specifically, FIG. 22 is a perspective view of the metal member 14 and the reinforced fiber fabric 12 showing the fourth embodiment of the metal-fiber reinforced resin bonding member and the method for manufacturing the same, and FIG. 23 is the metal member 14 of FIG. 22. FIG. 24 is a cross-sectional view of the state in which the reinforcing fiber cloth 12 is engaged with the metal member 14, FIG. 24 is an explanatory view of the coating of the metal member 14 of FIG. 22 and the resin member 18 of the reinforcing fiber cloth 12, and FIG. It is a perspective view of the metal-fiber reinforced resin joint member. It should be noted that each figure is schematically shown, and in particular, the resin member 18 of FIGS. 24 and 25 is exaggerated.

The schematic configuration of the metal-fiber reinforced resin bonding member in this embodiment is the same as that in the first embodiment. Further, the reinforced fiber cloth 12 of the fiber reinforced resin body 10 in this embodiment still has a vertically long rectangular shape. On the other hand, the metal member 14 in this embodiment is also made of a square metal plate as in the first embodiment, and among the metal members 14, the joint end portion of the fiber reinforced resin body 10 is made of a reinforced fiber cloth. As the engaging portion 16 for engaging the 12, a locking piece 30 is formed which penetrates the reinforcing fiber cloth 12 in the front and back directions and is bent to lock the reinforcing fiber cloth 12. As shown in FIG. 22A, the locking piece 30 is a protruding tip portion 30a of a plurality of needle-shaped convex pieces projecting from the joint end surface of the reinforcing fiber cloth of the metal member 14 in the longitudinal direction of the reinforcing fiber cloth 12. Is bent upward in the figure.

In this embodiment, the metal member joint end surface of the reinforcing fiber fabric 12 is aligned with the reinforcing fiber fabric joint end surface of the metal member 14, and the engaging portion 16 of the metal member 14 is formed from above the locking piece 30. When the reinforcing fiber cloth 12 is lowered onto the locking piece 30, as shown by the alternate long and short dash line in FIG. 22B, the protruding tip portion 30a of the locking piece 30 bent upward in the drawing is the back surface of the reinforcing fiber cloth 12. Penetrates the surface from. In that state, when the protruding tip portion 30a of each locking piece 30 is bent toward the metal member 14 side of FIG. 22B, for example, it is bent with the protruding portion of the locking piece 30 as shown in the cross-sectional view of FIG. The reinforcing fiber cloth 12 is sandwiched between the portions (protruding tip portion 30a), whereby the reinforcing fiber cloth 12 is engaged (locked) with the engaging portion 16 of the metal member 14.

When the reinforcing fiber cloth 12 is engaged with the engaging portion 16 of the metal member 14 in this way, the reinforcing fiber cloth 12 and the metal member 14 are made of gold as shown in FIG. 24 (a) in the engaged state. Set in the mold 40. The mold 40 is for injecting resin as in the first embodiment, and is composed of, for example, an upper mold 40a and a lower mold 40b, and a seal is provided between the metal member 14 and the mold 40. The resin is prevented from leaking by interposing 41. In this state, for example, the resin is injected into the mold 40 as in the first embodiment, and when the injected resin is cured, the mold 40 is released as shown in FIG. 24 (b). As a result, as shown in FIG. 25, the fiber-reinforced resin body is in a state where at least the engaging portion 16 between the reinforcing fiber cloth 12 and the metal member 14 is covered with the resin member 18 and the reinforcing fiber cloth 12 is impregnated with the resin member 18. 10 is configured, thereby completing the metal-fiber reinforced resin bonding member.

Therefore, in this embodiment, in addition to the effect of the first embodiment described above, the locking piece 30 that penetrates the reinforcing fiber cloth 12 in the front-back direction and is bent to lock the reinforcing fiber cloth 12 is provided. By forming the engaging portion 16, the reinforcing fiber cloth 12 is pierced in the front and back directions by the locking piece 30, and then the reinforcing fiber cloth 12 is engaged (engaged) with the metal member 14 simply by bending the locking piece 30. Since it can be stopped), the engaging portion 16 can be easily configured.

It goes without saying that the present invention includes various embodiments not described above. Therefore, the technical scope of the present invention is defined only by the matters specifying the invention described in the claims that are valid from the above description.

10 Fiber reinforced resin body 12 Reinforced fiber cloth 14 Metal member 16 Engagement part 18 Resin member 20 Through hole 21 Engagement protrusion 22 Reinforced fiber bundle 23 Recessed part 24 Engagement member 25 Convex part 26 Interlocking receiving part (pinching structure)
27 Sandwiching member (sandwiching structure)
28 Pinching port (pinching structure)
30 Locking piece 40 Mold

Claims (2)

In a metal-fiber reinforced resin joint member formed by joining a metal member and a fiber reinforced resin body in which a reinforced fiber cloth is arranged inside the resin member.
The metal member has an engaging portion to which the reinforcing fiber fabric is engaged.
The resin member covers at least the engaging portion in a state where the reinforcing fiber cloth is engaged with the engaging portion, and is impregnated with the reinforcing fiber cloth to form the fiber-reinforced resin body.
The engaging portion is configured to include a sandwiching structure for sandwiching the reinforcing fiber fabric.
A plurality of engaging protrusions are projected from the engaging portion, the engaging protrusions are inserted into the reinforcing fiber cloth, and the reinforcing fiber cloth is sandwiched by the sandwiching member at the insertion portion, and the engagement is made. A metal-fiber reinforced resin bonding member, characterized in that the reinforced fiber fabric is engaged with the joint portion. In a metal-fiber reinforced resin joint member formed by joining a metal member and a fiber reinforced resin body in which a reinforced fiber cloth is arranged inside the resin member.
The metal member has an engaging portion to which the reinforcing fiber fabric is engaged.
The resin member covers at least the engaging portion in a state where the reinforcing fiber cloth is engaged with the engaging portion, and is impregnated with the reinforcing fiber cloth to form the fiber-reinforced resin body.
The engaging portion is configured to include a sandwiching structure for sandwiching the reinforcing fiber fabric.
A metal plate material is bent and a pinching opening portion is formed in the engaging portion, and the reinforcing fiber cloth inserted into the opening portion of the pinching port portion is sandwiched between the metal plate materials. A metal-fiber reinforced resin bonding member, characterized in that the reinforced fiber fabric is engaged with the engaged portion after being worn.

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