JPH1147858A - Honeycomb panel and its manufacture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a honeycomb panel and its manufacturing method capable of joining by mutually welding surface plates or frame materials of a panel body without being influenced by heat. SOLUTION: Core materials 3 are joined by brazing or welding between a pair of aluminum made surface plates 1 or core materials 3 and frame materials 2 are joined by brazing or welding between a pair of aluminum made surface plates 1 to form a panel body 4, a probe 9 is pressed to the joining part of both surface plates 1 under the state mutually abutting the surface plates 1 of the panel body 4, the probe 9 is rotated at a high speed and horizontally transferred, and whereby surface plates 1 are mutually joined by frictional welding 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a honeycomb panel.

[0002]

2. Description of the Related Art Conventionally, a honeycomb panel formed by integrally joining a pair of aluminum alloy (hereinafter referred to as aluminum) surface plates and a core material interposed between the surface plates by brazing or bonding is a lightweight. Because of its excellent heat insulation and sound insulation properties, it is widely used as a building material for interiors and exteriors.

[0003] Since the size of one honeycomb panel is limited, a plurality of panel bodies having a core material interposed between a pair of surface plates are joined as described above to form a larger-sized honeycomb panel. I have.

For this reason, conventionally, a TIG (Tungsten Inert Gas) for welding while generating an arc between a surface plate (base material) of a panel body and a tungsten electrode, flowing inert gas from a nozzle, and preventing oxidation and nitriding of a welded portion. ) Welding or MIG (Metal Inert Ga) welding by generating an arc between the surface plate (base material) of the panel body and the electrode wire
s) A plurality of panel bodies are joined by welding or the like to manufacture a honeycomb panel of a desired size.

[0005]

However, the TIG
When the panel body is welded by welding or MIG welding, the brazing material is clad on the surface plate, so that the brazing material is entangled and cracks and blow holes (voids) in the joints are easily generated. There was a concern about the strength of the welded spot. Therefore, the welding of the panel body using TIG welding or MIG welding has been limited to the case where the panel members are joined by welding frame members interposed between the sides of the surface plate.

In addition, in TIG welding or MIG welding, it is necessary to provide a chamfer (groove) on the contact surface (weld surface) of the frame members of both panel bodies in order to improve the welding performance, and it takes time to perform the processing accordingly. There was a problem that required.

[0007] Further, there is a problem that a distortion removing step is required in the vicinity including the joint due to distortion due to welding heat. This problem is that, when the surface plates are joined together, the thermal distortion of the welded portion is further increased, and a distortion removing step is indispensable.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a honeycomb panel and a method for manufacturing the same, which are capable of joining the surface plates of the panel body or the frame members by welding without being affected by heat. It is intended for.

[0009]

According to a first aspect of the present invention, there is provided a honeycomb panel comprising a pair of aluminum surface plates and a core member interposed between the surface plates. The surface plates are joined by friction welding.

A honeycomb panel according to a second aspect of the present invention includes a pair of aluminum surface plates, a core material interposed between the surface plates, and a frame material interposed between sides of the surface plate. The surface plates of the body are joined by friction welding.

According to a third aspect of the present invention, there is provided a honeycomb panel including a pair of aluminum surface plates, a core material interposed between the surface plates, and an aluminum frame material interposed between sides of the surface plates. The frame members of the panel body to be formed are joined to each other by friction welding.

According to a fourth aspect of the present invention, there is provided a honeycomb panel including a pair of aluminum surface plates, a core material interposed between the surface plates, and an aluminum frame material interposed between sides of the surface plates. The above-mentioned surface plate and frame material of the panel body to be joined are joined by friction welding.

According to a fifth aspect of the present invention, there is provided a honeycomb panel having an aluminum bonding member interposed between a plurality of panel bodies having a pair of aluminum surface plates and a core material interposed between the surface plates. The face plate and the joining member are joined by friction welding.

According to a sixth aspect of the present invention, there is provided a honeycomb panel comprising a pair of aluminum surface plates, a core material interposed between the surface plates, and an aluminum frame material interposed between sides of the surface plates. The frame members of the panel body to be joined are joined by friction welding, and the outside of the joined portion is covered with a decorative member. In this case, it is preferable that an engaging groove is formed in the frame member, and an outward flange portion that engages with the engaging groove is formed in the decorative member.

In the honeycomb panel according to any one of claims 2 to 6, a concave portion is formed on an inner side surface of the frame member, and the engaging portion of a fastener for connecting the panel members to each other at the time of welding the concave portion. (Claim 8) or alternatively, the frame member is formed of a hollow member, and the hollow portion is provided to an engaging portion of a fastener for fastening panel bodies to each other during welding. (Claim 9).
Further, these concave portions or hollow portions can be provided as air vent holes at the time of brazing at the time of manufacturing a panel body. Also, on the facing surface of the frame material located at the joint of the panel body,
Engaging concave and convex portions that can engage with each other may be formed (Claim 10), or a narrow opening-like concave groove is formed on the facing surface of the frame member located at the joint portion of the panel body, and both panels are formed. The connecting core may be slidably fitted into the concave groove of the body (claim 11).

According to a twelfth aspect of the present invention, there is provided a honeycomb panel manufacturing method, wherein a core member is joined between a pair of aluminum surface plates by brazing or bonding to form a panel body. And the two surface plates are joined by friction welding in a state where they are in contact with each other.

According to a thirteenth aspect of the present invention, there is provided a honeycomb panel manufacturing method, wherein a core material is brazed or bonded between a pair of aluminum surface plates, and a frame material is interposed between sides of the surface plates. A body is formed, and the two face plates are joined by friction welding in a state where the face plates of the panel body are in contact with each other.

According to a fourteenth aspect of the present invention, there is provided a honeycomb panel manufacturing method, wherein a core material is brazed or bonded between a pair of aluminum surface plates and an aluminum frame material is interposed between sides of the surface plates. A panel body is formed by friction welding the two surface plates and the frame member in a state where the surface plates of the panel body are in contact with each other.

According to a fifteenth aspect of the present invention, there is provided a honeycomb panel manufacturing method, wherein a core material is brazed or bonded between a pair of aluminum surface plates and an aluminum frame material is interposed between sides of the surface plates. A frame body of the panel body, and the frame members of the panel body are joined by friction welding in a state where the frame members are in contact with each other.

A method for manufacturing a honeycomb panel according to a sixteenth aspect of the present invention is to form a panel body by brazing or bonding a core material between a pair of aluminum surface plates, and to form an aluminum joining member between the panel bodies. The surface plate and the joining member are joined by friction welding with the surface plate of the panel body and the joining member in contact with each other.

In the method for manufacturing a honeycomb panel according to a seventeenth aspect, a core material is brazed or bonded between a pair of aluminum surface plates and an aluminum frame material is interposed between sides of the surface plates. The frame member of the panel member is joined by friction welding in a state where the frame members of the panel member are in contact with each other, and a decorative member is covered outside the joint.

In the method for manufacturing a honeycomb panel according to the present invention, a core material is brazed or bonded between a pair of aluminum surface plates, and a frame material is interposed between sides of the surface plates. A body is formed, and both surface plates are joined by friction welding in a state where the surface plates of the panel body are in contact with each other, and thereafter, the frame material is extracted.

[0023] The method for manufacturing a honeycomb panel according to claim 19 or 20 is the method for manufacturing a honeycomb panel according to claim 8, wherein a fastener is engaged with the concave portion of the frame member, and The frame members are brought into contact with each other, and in this state, both the surface plates or both the frame members are friction-welded.

According to a twenty-first aspect of the present invention, there is provided a method for manufacturing a honeycomb panel according to the ninth aspect, wherein a fastener is engaged with a hollow portion of the frame member to form a surface plate between the two panel bodies. Alternatively, the frame members are brought into contact with each other, and in this state, the both surface plates or both frame members are friction-welded.

[0025] The method for manufacturing a honeycomb panel according to claim 23 or 24 is the method for manufacturing a honeycomb panel according to claim 10, wherein the engaging concave and convex portions are engaged so that the surface plates of both panel bodies or the frame members are joined. Are abutted, and in this state, both surface plates or both frame members are friction-welded.

[0026] The method for manufacturing a honeycomb panel according to claim 25 or 27 is the method for manufacturing a honeycomb panel according to claim 11, wherein the connecting cores are fitted in the concave grooves, and the surface plates of both panel bodies are connected to each other. Alternatively, the frame members are brought into contact with each other, and in this state, both the surface plates or both the frame members are friction-welded.

[0027] According to a twenty-sixth aspect of the present invention, there is provided the honeycomb panel manufacturing method according to the eleventh aspect, wherein the connecting cores are fitted into the recessed grooves, and the surface plates of the two panel bodies are joined together. Alternatively, the frame members are brought into contact with each other, and in this state, both the surface plates or both the frame members are friction-welded, and then the core is extracted.

According to the present invention, it is possible to perform the welding regardless of whether the brazing material is clad or not by performing the friction welding in a state where the surface plates of the panel body or the frame members are in contact with each other. The panel body can be securely joined without generating distortion.

[0029]

Embodiments of the present invention will be described below with reference to the drawings.

First Embodiment FIG. 1 is a sectional perspective view showing a honeycomb panel according to a first embodiment of the present invention, FIG. 2 is a schematic sectional view showing a manufacturing state of the honeycomb panel according to the first embodiment, and FIG. FIG. 4 is a cross-sectional perspective view showing a state of manufacturing the honeycomb panel of the first embodiment, and FIG. 4 is an explanatory diagram showing a manufacturing process of the honeycomb panel of the first embodiment.

The honeycomb panel has a pair of face plates 1
And a frame material 2 interposed between the side portions of the surface plate 1 and a cylindrical core material 3 interposed in a space formed by the pair of surface plates 1 and the frame material 2. The panel bodies 4 are joined by friction welding 5. In this case, the surface plate 1 and the core member 3 are formed of an aluminum alloy (hereinafter referred to as aluminum) member, and the frame member 2 is formed of an extruded aluminum member.

In order to manufacture the honeycomb panel constructed as described above, first, as shown in FIG. 4A, a rectangular surface plate 1, a frame member 2 having a rectangular cross section, and a large number of cylindrical members are provided. Core material 3 is prepared, and a surface plate 1 is disposed on one side of a frame material 2 which is framed in a rectangular shape. Then, the core material 3 is arranged in an inner space of the frame material 2 and Surface plate 1 on the other side of 2
Is arranged. At this time, the space between the surface plate 1 and the frame material 2 or the surface plate 1
And a required amount of brazing material between the core material 3 and the like. Then, the surface plate 1, the frame member 2 and the core member 3 are heat-treated, thereby melting the brazing material, brazing and integrally forming the panel body 4 (see FIG. 4B).

At the time of the brazing, it is preferable to provide an air vent (not shown) at an appropriate position of the frame member 2 and a side surface of the core member 3. By providing the air vent hole, the air that expands in the hollow portion of the core material 3 can be discharged to the outside at a high temperature during panel molding, and the moldability of the panel can be improved. In addition,
At least the core material 3 among the surface plate 1, the frame material 2, and the core material 3 is formed of a brazing sheet 6 in which a brazing material is clad. Therefore, even when the core material 3 is formed by bending an aluminum alloy strip,
After the panel body 4 is formed, the separated portions at both ends of the strip are joined by brazing, and the core material 3 becomes completely cylindrical.

In the above embodiment, only the core material 3 is a brazing sheet having a brazing material surface.
The surface plate 1 and the core material 3 may be formed of a brazing sheet having a brazing material surface, or the surface plate 1, the frame material 2 and the core material 3 may be formed of a brazing material surface. It is also possible to form with a brazing sheet provided with.

After the panel body 4 is formed as described above, the two panel bodies 4 are placed on the receiving table 6 as shown in FIGS. 4 is pressed from the side so that the end faces of
1) and hold both panel bodies 4. Next, both panel bodies 4
Probe 9 projecting from the lower surface of a cylindrical shoulder 8 held by rotation holding means (not shown) on the upper surface of the contact portion
(Pressure P2), and rotate the shoulder 8 and the probe 9 at a high speed (for example, 1000 to 5000 rpm).
While moving in the horizontal direction, the surface plates 1 of both panel bodies 4
The abutting portions are softened by frictional heat, agitated, and the metal is pressed and welded in the moving direction. Thereby, the surface plates 1 of the panel body 4 are joined to each other (see FIGS. 1 and 4D). In this manner, after the joint on one side is friction-welded 5, the joint on the other side is similarly friction-welded 5 to manufacture a honeycomb panel. In this case, as shown in FIG. 2, the pressing force of the probe 9 (P2)
It is more desirable to secure the thickness (t0) of the frame member 2 so as not to deform it, and to dispose the cradle 6 below.

The honeycomb panel manufactured as described above is free from cracks and blowholes at the joint due to brazing of the brazing material as compared with conventional TIG welding, MIG welding, and the like, and is not affected by heat. Since the number is small, the distortion of the joint portion of the panel body 4 can be reduced, and the product quality can be improved.

Second Embodiment FIG. 5 is a sectional perspective view showing a honeycomb panel according to a second embodiment of the present invention. The second embodiment is a case where a honeycomb panel is formed by the surface plate 1 and the core material 3.

To manufacture the honeycomb panel of the second embodiment, as shown in FIG. 7, similar to the first embodiment,
First, a rectangular surface plate 1, a frame material 2 having a rectangular cross section, and a cylindrical core material 3 are prepared, and the surface plate 1 is disposed on one side of the frame material 2 framed in a rectangular shape. The core member 3 is arranged in the space inside the frame member 2, and the surface plate 1 is arranged on the other surface side of the frame member 2. At this time, a brazing material is sandwiched between the surface plate 1 and the core material 3, and the surface plate 1, the frame material 2 and the core material 3 are subjected to a heat treatment, thereby melting the brazing material and bonding the surface plate 1 and the core material 3. To form a panel body 4 (see FIG. 7B). In this state, the frame material 2 is
And the core material 3 is not joined.

After the panel body 4 is formed as described above, the two panel bodies 4 are placed on the receiving table 6 as shown in FIG. In order to hold the panel members 4 by pressing the fixing member 7 from the side (pressure P1) from the side. Next, a probe 9 projecting from the lower surface of a cylindrical shoulder 8 held by a rotation holding means (not shown) is pressed against the upper surface of the contact portion of both panel bodies 4 (pressure P2), and 8 and the probe 9 are rotated in a horizontal direction while rotating at a high speed (for example, 1000 to 5000 rpm), and the front plates 1 of the two panel bodies 4 are friction-welded to each other.
I do. After the joint on one side is friction-welded 5 in this manner, the joint on the other side is also friction-welded 5 in the same manner. afterwards,
The frame member 2 is pressed with a push rod or the like (not shown) and is extracted from the panel body 4 to form a honeycomb panel (FIGS. 6 and 7E).
reference). It should be noted that a honeycomb panel without a frame material can be similarly manufactured by using the frame material 2 as a spacer made of carbon or the like or an iron plate. In addition, the frame material 2 on the joining side of the panel body 4
May be brazed, and the frame material 2 on the non-joining side may be brazed.

In the honeycomb panel manufactured as described above, since the surface plates 1 of the panel body 4 having the frame member 2 are friction-bonded to each other, it is possible to eliminate anxiety about the strength of the welded portion, and Distortion at the joint between the front plates 1 can be reduced. In addition, since the frame member 2 is removed after the friction welding, it is possible to provide a lightweight honeycomb panel without a frame member with a small distortion at the joint.

Third Embodiment FIG. 8 is a sectional view showing a main part of a honeycomb panel according to a third embodiment of the present invention, and FIG. 9 is a sectional perspective view showing a state of manufacturing the honeycomb panel according to the third embodiment. The third embodiment is a case where the frame members of the panel body are joined by friction welding to form a honeycomb panel.

In order to manufacture the honeycomb panel of the third embodiment, first, a pair of surface plates 1, an aluminum frame member 20 having a step 21 on which an end of the surface plate 1 is placed, and a cylindrical shape And a core material 3 is provided between the pair of surface plates 1 and a frame material 20 is provided between the sides of the surface plate 1 in the same manner as in the first embodiment. The surface plate 1, the frame member 20, and the core member 3 are heat-treated, and the surface plate 1, the frame member 20, and the core member 3 are brazed and integrally formed to form the panel body 4.

After the panel body 4 is formed, the panel body 4 to be joined is placed on the receiving stand 6 and held by the fixture 7, and the probe is attached to the joint between the frame members 20 in the same manner as described above. 9
To form a honeycomb panel by rotating the probe 9 at high speed and moving it horizontally to perform friction welding 5 (see FIG. 9).

In the third embodiment, the panel body 4
Whether brazing is performed with a brazing material interposed when brazing is integrally formed or brazing using a brazing sheet clad with the brazing material can be performed arbitrarily as in the first embodiment. it can.

In the third embodiment, the frame 2
0 is formed of a hollow extruded profile, so that the panel body 4
At the time of molding, the hollow portion 22 can be used as an air vent hole, and deformation due to expansion and contraction of air during brazing can be prevented. Further, at the time of joining, the clamp 10 (fastener) is provided in the hollow portion 22 of the two frame members 20 to be joined.
Is inserted to bring the two panel bodies 4 into close contact with each other, whereby the gap at the joint can be reduced with respect to the pressing force (P2) of the probe 9.

In the honeycomb panel manufactured as described above, the joining state can be further strengthened by joining the frame members 20 of the panel body 4 to each other by friction welding 5, so that the strength of the honeycomb panel is reduced. Improvement can be achieved.

Fourth Embodiment FIG. 10 is a sectional perspective view showing a state of manufacturing a honeycomb panel according to a fourth embodiment of the present invention. The fourth embodiment is a case where the gap between the joints when joining the surface plates of the panel body is reduced.

In order to manufacture the honeycomb panel of the fourth embodiment, first, a pair of surface plates 1, a frame member 24 having a concave groove 23 (recess) in the center of the inner side surface, and a large number of cylindrical members are provided. The core material 3 is prepared, and the core material 3 is interposed between the pair of surface plates 1 and the frame material 24 is interposed between the sides of the surface plate 1 as in the first embodiment. , Frame material 24
Then, the core member 3 is heat-treated, and the surface plate 1, the frame member 24 and the core member 3 are brazed and integrally formed to form the panel body 4.

After the panel body 4 is formed, the panel body 4 to be joined is placed on the pedestal 6 and held by the fixture 7, and is further inserted into the groove 23 of the frame member 24 at the joint. The clamp 10 (fastener) is inserted and fastened, and the probe 9 is pressed against the joint between the front plates 1 in the same manner as described above.
Is rotated at a high speed and horizontally moved to perform friction welding 5 to form a honeycomb panel (see FIG. 11A). The clamp 10 is removed after the panel body 4 is joined.

In the fourth embodiment, the panel 4
It is optional whether to braze with a brazing material or to braze using a brazing sheet clad with the brazing material when integrally forming the brazing material as in the first and third embodiments. Can do it.

In the fourth embodiment, the frame 2
The concave groove formed on the inner side surface of the panel 4 is used as an air vent when the panel body 4 is formed. Further, the concave groove is not limited to the above-described form, and for example, as shown in FIG. 11B, the concave groove 23a (the concave ) May be provided, and a concave groove 23b (recess) may be provided in a stepwise manner on the inner side of the frame member 24 as shown in FIG. Furthermore,
As shown in FIG. 11D, the frame member 24 may be formed of a hollow rectangular extruded shape, and the hollow portion 23c may be used as an insertion portion of the clamp 10 instead of a concave groove (recess).

The honeycomb panel manufactured as described above is provided with the clamps 10 in the concave portions, that is, the concave grooves 23, 23a, 23b and the hollow portion 23c provided in the frame member 24 at the joint portion.
Can be inserted to fasten the two panel bodies 4,
Friction welding 5 can be performed in a state where the joints are tightly opposed to the pressing force (P2) of the probe 9 during friction welding. Therefore, it is possible to surely join the front plates 1 and to provide a honeycomb panel with less distortion.

Fifth Embodiment FIGS. 12A to 12D are cross-sectional views of main parts showing another embodiment of the honeycomb panel of the fifth embodiment. In the fourth embodiment, the case where the honeycomb panel is formed by friction welding 5 between the surface plates 1 of the panel body 4 including the pair of surface plates 1, the core material 3, and the frame material 24 has been described.
The frame member 24 may be integrally joined together with the surface plate 1 of the joint portion by friction welding 5.

That is, a pair of aluminum surface plates, a large number of core members 3 interposed between these surface plates 1,
Aluminum frame member 24 interposed between sides of face plate 1
May be integrally brazed to form the panel body 4, and the surface plate 1 and the frame member 24 at the joint of the panel body 4 may be integrally joined by friction welding.

In this case, the frame member 24 is formed by the concave grooves 23a,
The case where the frame member 23b or the hollow portion 23c is provided has been described, but the shape of the frame material is not limited to the above, and may be any shape. In the fifth embodiment, other parts are the same as those in the first to fourth embodiments, and the description is omitted.

Sixth Embodiment FIG. 13 is a cross-sectional view of a main part (a) showing a manufacturing state of a sixth embodiment of the present invention, an enlarged cross-sectional view of a main part after welding (b), and FIG.
FIG. 4 is a sectional perspective view showing a manufacturing state. The sixth embodiment is a case in which a joining member is interposed between panel bodies to be joined and joined to form a honeycomb panel.

To manufacture the honeycomb panel of the sixth embodiment, first, a pair of surface plates 1 and a large number of cylindrical core members 3 are prepared, and the core member 3 is interposed between the pair of surface plates 1. ,
The surface plate 1 and the core material 3 are heat-treated, and the surface plate 1 and the core material 3 are brazed and integrally formed to form a panel body 4.

After the panel members 4 are formed, they are placed on the cradle 6 while holding a joining member 30 formed of, for example, an extruded aluminum member having a rectangular cross section between the panel members 4 to be joined. At the same time, the joint member 30
The probe 9 is pressed against the upper surface of the substrate, and the probe 9 is rotated at high speed and moved horizontally to friction-weld the joining member 30 and the surface plate 1 to form a honeycomb panel (see FIG. 13B).

In the sixth embodiment, the panel 4
Whether the brazing is performed with a brazing material interposed when brazing is integrally formed by brazing or using a brazing sheet clad with the brazing material is the same as in the first, third, and fourth embodiments. Arbitrarily.

In the sixth embodiment, the joining member 30 does not necessarily have to have a rectangular cross-section, and for example, as shown in FIG. The joining member 30a may be used, or FIG.
As shown in (1), the joining member 30b may have a hollow rectangular cross section. By using the joining member 30a having a substantially I-shaped cross section or the joining member 30b having a hollow rectangular section, the concave portion 30c and the hollow portion 30d can be used as air wiping holes at the time of forming a panel body. When the joining member 30b having a hollow rectangular cross section is used, the joining member 30b is used.
It is more preferable to perform friction welding 5 on the joint between b and the surface plate 1.
In this case, joining may be performed at one place or at two places simultaneously.

The honeycomb panel manufactured as described above is joined between the panel members 4 without the frame material by the joining members 30, 30.
Since the honeycomb panel can be formed by joining by friction welding with a and 30b interposed therebetween, the number of constituent members can be reduced, and a lightweight and strong honeycomb panel can be provided.

Seventh Embodiment FIG. 17 is a sectional perspective view showing a honeycomb panel according to a seventh embodiment of the present invention in a manufactured state. In the seventh embodiment, friction welding is performed with the joints in close contact without using a fastener such as a clamp.

To manufacture the honeycomb panel of the seventh embodiment, first, a pair of surface plates 1 and an engaging recess 4
A frame member 40 having one or an engaging projection 42 and a large number of cylindrical core members 3 are prepared, and the core member 3 is interposed between the pair of surface plates 1 as in the first embodiment. Surface plate 1
A frame member 40 is interposed between the sides of the panel member, and the front plate 1, the frame member 40 and the core member 3 are heat-treated, and the surface plate 1, the frame member 40 and the core member 3 are brazed and integrally formed to form a panel body. 4 is formed. In this case, the engaging recess 41 is formed in the frame member 40 as a narrow opening-shaped concave streak, and the engaging protrusion 42 has a bulging head that fits into the concave streak of the engaging recess 41. It is formed by a ridge.

After forming the panel body 4, FIGS.
As shown in FIG. 8A, the engaging recess 41 and the engaging projection 42 of the panel body 4 to be joined are engaged with each other and placed on the receiving table 6 while being held by the fixture 7, and Similarly, a honeycomb panel is formed by pressing the probe 9 against the joint between the surface plates 1 and rotating the probe 9 at high speed and moving horizontally to perform friction welding 5 (see FIG. 17).

In the seventh embodiment, the panel 4
It is the same as in the first and third to sixth embodiments whether brazing is performed with a brazing material interposed when brazing is integrally formed or brazing is performed using a brazing sheet clad with the brazing material. Arbitrarily.

In the seventh embodiment, the frame 4
The engagement recesses 41 and the engagement protrusions 42 formed at 0 do not necessarily have to be the above-described narrow opening-like concave streaks or convex streaks having a bulging head, for example, as shown in FIG. As described above, the engaging recesses 4 projecting in a substantially L-shaped cross section to engage with each other.
1a and the engagement protrusion 42a. By using the frame member 40 having the engagement concave portion 41a or the engagement protrusion portion 42a having a substantially L-shaped cross section, the same type of frame member 4
Since 0 can be used by turning it upside down,
The number of components can be reduced, and inventory management can be facilitated.

In order to further ensure the engagement between the engaging concave portion and the engaging convex portion, as shown in FIGS. 19 and 20, for example, an engaging concave portion 41a having a substantially L-shaped cross section and an engaging projecting portion 42a are provided. By providing the bulging portions 43 that engage with each other at the distal end portions of the panel members 4, the frame members 40 of the panel bodies 4 to be joined can be joined by snap engagement. In this case, as shown in FIG. 19, providing the thick portion 44 on the side of the frame member 40 that contacts the surface plate 1 is preferable in that the frame member 40 can be reinforced.

The honeycomb panel manufactured as described above can be mounted on the panel body 4 without using a fastener such as a clamp.
Frame members 40 can be brought into close contact with each other, and in this state, the honeycomb panel can be formed by joining by friction welding. Therefore, the manufacturing operation can be facilitated, and the distortion in which the gap between the joining portions is reduced is obtained. It is possible to provide a honeycomb panel having a small number of honeycomb panels.

Eighth Embodiment FIG. 21 is a cross-sectional view of a main part of a manufactured state of a honeycomb panel according to an eighth embodiment of the present invention (a), and a cross-sectional view of a main part of the manufactured honeycomb panel (b). It is a sectional perspective view of a manufacturing state of a honeycomb panel of an 8th embodiment. The eighth embodiment is a case where the gaps in the entire area of the joint when joining the surface plates of the panel body are reduced.

To manufacture the honeycomb panel of the eighth embodiment, first, a pair of surface plates 1, a frame member 50 having a narrow opening-shaped concave groove 51 on the joint surface side, and a large number of cylindrical core members 3, a core material 3 is interposed between a pair of surface plates 1 and a frame material 50 is interposed between sides of the surface plate 1 in the same manner as in the first embodiment. Material 50 and core material 3 are heat-treated to make surface plate 1, frame material 50 and core material 3
To form a panel body 4.

After forming the panel body 4, as shown in FIGS. 21A and 22, the concave grooves 51 of the panel body 4 to be joined are formed.
A rod-shaped connecting core 52 having a substantially H-shaped cross section is inserted therein, the two panel bodies 4 are placed on the receiving table 6 in close contact with each other, and are held by the fixture 7 in the same manner as described above. The probe 9 is pressed against the joint between the front plates 1, and the probe 9 is rotated at high speed and moved horizontally to perform friction welding 5. After that, the core 52
To form a honeycomb panel (FIG. 21B).
reference). In this case, the core 52 may be buried without being extracted. By embedding the core 52 in this manner, the strength of the honeycomb panel can be increased.

In the eighth embodiment, when integrally forming the panel body 4 by brazing, it is determined whether the brazing is performed with a brazing material interposed or a brazing sheet clad with the brazing material. , Can be arbitrarily performed in the same manner as in the first and third to seventh embodiments.

As described above, by inserting the core 52 into the concave groove 51 of the both frame members 50 at the joint portion of the panel body 4,
Friction welding 5 can be performed in a state where the entire area of both frame members 50 of the panel body 4 to be joined is in close contact with each other, so that it is possible to provide a honeycomb panel with a reduced gap at the joint and less distortion. Further, when the core 52 is extracted, the extracted core 52 can be repeatedly used for manufacturing the next honeycomb panel, so that the number of members can be reduced.

Ninth Embodiment FIGS. 23A and 23B are a cross-sectional view of a main part of a honeycomb panel according to a ninth embodiment of the present invention in a manufactured state and an enlarged cross-sectional view of the main part after the manufacture. The ninth embodiment is a case where the friction welding of the joining portion is hidden from the outside to improve the appearance of the honeycomb panel.

To manufacture the honeycomb panel of the ninth embodiment, first, a pair of surface plates 1 and a contact projection 6
1 and a frame member 60 having engagement concave grooves 62 located on the upper side and the lower side of the contact protrusion 61, and a large number of cylindrical core members 3 are prepared, as in the first embodiment. The core member 3 is interposed between the pair of surface plates 1 and the frame member 60 is interposed between the sides of the surface plate 1, and the surface plate 1, the frame member 60 and the core material 3 are heat-treated. The frame member 60 and the core member 3 are brazed and integrally formed to form the panel body 4. At this time, the contact protruding pieces 61 protrude outward from the surface plate 1.

After the panel body 4 is formed, as shown in FIG. 23 (a), the front end surfaces of the contact protruding pieces 61 of the panel body 4 to be joined are brought into contact with each other and placed on the receiving table 6, and Holding by a fixture (not shown), the probe 9 is pressed against the joint between the contact protruding pieces 61 in the same manner as described above, and the probe 9 is rotated at high speed and moved horizontally to perform friction welding 5. Thereafter, the outwardly facing flange portion 71 of the aluminum decorative member 70 having a substantially hat-shaped cross section is slid or snap-fitted into the engaging groove 62, and the friction welding 5 is covered from the outside to form a honeycomb panel. (See FIG. 23 (b)).

In the ninth embodiment, the panel 4
Whether brazing is performed with a brazing material interposed when brazing is integrally formed or brazing is performed using a brazing sheet clad with the brazing material is the same as in the first and third to seventh embodiments. Arbitrarily. Further, the engagement groove 6 between the outward flange portion 71 of the decorative member 70 and the frame member 60 is formed.
2 may be left in a fitted state, or may be bonded with an adhesive.

In the ninth embodiment, the panel 4
Is not necessarily limited to the one in which friction welding 5 is performed in a state where the contact protruding pieces 61 are attached to each other. For example, as shown in FIG. The protruding pieces 63 are superimposed on each other, the probe 9 is pressed from the outside of one of the joining protruding pieces 63 to rotate the probe 9 at a high speed, and is horizontally moved to perform the friction welding 5. The honeycomb panel may be formed by sliding or snap-fitting the engagement groove 62 so as to cover the friction weld 5 portion from the outside.

In the honeycomb panel manufactured as described above, the joint portion subjected to the friction welding 5 can be covered by the decorative member 70, so that the appearance of the honeycomb panel can be improved, and the quality of the honeycomb panel can be improved. Improvement can be achieved.

Other Embodiments In the above embodiment, the case where the core material is formed in a cylindrical shape has been described. However, the shape of the core material is not necessarily required to be a cylindrical shape. Tubular, square tubular,
Or other polygonal cylindrical shape, or
Any one of the honeycomb-shaped pieces obtained by bending the strip-like pieces into a trapezoidal wave shape and bonding them may be used.

In the above embodiment, the case where the core material is formed on the aluminum member and brazed to the surface plate 1 has been described. However, the core material is not necessarily required to be an aluminum member. It may be formed of a paper member and adhered to the surface plate 1 using an adhesive. In addition, if there is no concern about the heat bridge, the present invention can be applied to a sandwich panel using a heat insulating core material (core material) such as a urethane foam material. Further, the shape of the frame material is not limited to the above-described embodiment, but may be any shape. Further, the shape of the frame material of the joint portion and the shape of the frame material of the non-joint portion may not be the same.

Further, in the above embodiment, the panel body 4 to be joined is placed on the receiving table 6, and the front plates 1 or the frame members 2 are brought into contact with each other and held by the fixture 7, and in this state. The case where one of the joints of both the surface plates 1 or the two frame members 2 is friction-welded 5 has been described. However, if the panel body 4 to be joined is clamped in a vertical state, the two surface plates 1 or the two frame members 2 on both sides are The joints can be friction welded 5 simultaneously.

[0083]

As described above, according to the present invention, it is determined whether or not the brazing material is clad by friction welding in a state where the surface plates of the panel body or the frame members are in contact with each other. Since it is possible to join the honeycomb panels without any problems, it is possible to easily manufacture the honeycomb panel. Moreover, since the panel bodies are securely joined without the occurrence of thermal distortion, the appearance can be improved and a honeycomb panel with high product quality can be provided.

[Brief description of the drawings]

FIG. 1 is a sectional perspective view showing a honeycomb panel according to a first embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view showing a manufacturing state of the honeycomb panel of the first embodiment.

FIG. 3 is a sectional perspective view showing a state of manufacturing the honeycomb panel of the first embodiment.

FIG. 4 is an explanatory diagram illustrating a manufacturing process of the honeycomb panel of the first embodiment.

FIG. 5 is a sectional perspective view showing a honeycomb panel according to a second embodiment of the present invention.

FIG. 6 is a sectional perspective view showing a state of manufacturing the honeycomb panel of the second embodiment.

FIG. 7 is an explanatory view showing a manufacturing process of the honeycomb panel of the second embodiment.

FIG. 8 is a sectional view of a main part of a honeycomb panel according to a third embodiment of the present invention.

FIG. 9 is a cross-sectional perspective view showing a state of manufacturing the honeycomb panel of the third embodiment.

FIG. 10 is a sectional perspective view showing a state of manufacturing a honeycomb panel according to a fourth embodiment of the present invention.

FIG. 11 is a cross-sectional view of a main part showing another embodiment of the honeycomb panel of the fourth embodiment.

FIG. 12 is a sectional view showing a main part of another embodiment of the honeycomb panel according to the fifth embodiment of the present invention.

FIGS. 13A and 13B are a main part cross-sectional view showing a manufacturing state of a honeycomb panel according to a sixth embodiment of the present invention and an enlarged main part sectional view showing a state after welding;

FIG. 14 is a sectional perspective view showing a state of manufacturing the honeycomb panel of the sixth embodiment.

FIG. 15 is a cross-sectional view of a main part showing another embodiment of the honeycomb panel of the sixth embodiment.

FIG. 16 is a cross-sectional view of a main part showing still another embodiment of the honeycomb panel of the sixth embodiment.

FIG. 17 is a cross-sectional perspective view showing a manufactured state of a honeycomb panel according to a seventh embodiment of the present invention.

FIG. 18 is a cross-sectional view of a main part showing another embodiment of the honeycomb panel of the seventh embodiment.

FIG. 19 is a fragmentary cross-sectional view showing still another embodiment of the honeycomb panel of the seventh embodiment.

FIG. 20 is a cross-sectional view of a principal part showing still another embodiment of the honeycomb panel of the seventh embodiment.

FIG. 21 is a fragmentary cross-sectional view showing a manufactured state of a honeycomb panel according to an eighth embodiment of the present invention.

FIG. 22 is a sectional perspective view showing a state of manufacturing the honeycomb panel of the eighth embodiment.

FIGS. 23A and 23B are a main part cross-sectional view showing a manufacturing state of a honeycomb panel according to a ninth embodiment of the present invention and an enlarged cross-sectional view showing a state after the manufacturing.

FIGS. 24A and 24B are a main-portion cross-sectional view showing another manufacturing state of the honeycomb panel of the ninth embodiment and an enlarged cross-sectional view showing the state after the manufacturing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Surface board 2 Frame material 3 Core material 4 Panel body 5 Friction welding 9 Probe 10 Clamp (fastener) 20 Frame material 23, 23a, 23b Groove (recess) 23c Hollow part (recess) 24 Frame material 30, 30a, 30b Joining member 40 Frame material 41, 41a Engagement concave part 42, 42a Engagement projection 50 Frame material 51 Depressed groove 52 Core 60 Frame material 61 Contact protruding piece 62 Engagement groove 63 Joint protruding piece 70 Makeup member 71 Outward Flange part

Continued on the front page (72) Inventor Hideaki Endo 2-2-220 Higashishinagawa, Shinagawa-ku, Tokyo Japan Light Metal Co., Ltd. (72) Inventor Hiroshi Yamamoto 20-1 Shimoda-cho, Sakai-shi, Osaka Nippon Light Metal Co., Ltd. Inside the Osaka Factory (72) Inventor Akihiko Yoshimi 2-20 Higashi Shinagawa, Shinagawa-ku, Tokyo Japan Light Metal Co., Ltd.

Claims (28)

[Claims] 1. A honeycomb panel comprising a pair of aluminum surface plates and a core member interposed between the surface plates, wherein the surface plates are joined to each other by friction welding. . 2. A panel body comprising a pair of aluminum surface plates, a core material interposed between the surface plates, and a frame material interposed between sides of the surface plates, the surface plates being connected to each other. A honeycomb panel characterized by being joined by friction welding. 3. The frame member of a panel body comprising a pair of aluminum surface plates, a core material interposed between the surface plates, and an aluminum frame material interposed between sides of the surface plate. A honeycomb panel characterized by being joined by friction welding. 4. The surface plate of a panel body comprising a pair of aluminum surface plates, a core material interposed between the surface plates, and an aluminum frame material interposed between sides of the surface plate. And a frame member joined by friction welding. 5. An aluminum joining member is interposed between a plurality of panel bodies having a pair of aluminum surface plates and a core material interposed between the surface plates, and friction is generated between the surface plate and the joining member. A honeycomb panel characterized by being joined by welding. 6. The frame member of a panel body comprising a pair of aluminum surface plates, a core material interposed between the surface plates, and an aluminum frame material interposed between sides of the surface plate. A honeycomb panel characterized by joining each other by friction welding, and covering the outside of this joint with a decorative member. 7. The honeycomb panel according to claim 6, wherein an engagement groove is formed in the frame material, and an outward flange portion that engages with the engagement groove is formed in the decorative member. A honeycomb panel, characterized in that: 8. The honeycomb panel according to claim 2, wherein a recess is formed on an inner side surface of said frame member, and said recess is engaged with a fastener for fastening said panel members to each other when welding. A honeycomb panel characterized by being provided to a part. 9. The honeycomb panel according to claim 2, wherein said frame member is formed of a hollow member, and said hollow portion is engaged by a fastener for fastening panel bodies to each other when welding. A honeycomb panel characterized in that the honeycomb panel can be provided to a user. 10. The honeycomb panel according to claim 2, wherein an engaging concave and convex portion capable of engaging with each other is formed on a facing surface of a frame member located at a joint of the panel body. A honeycomb panel, characterized in that: 11. The honeycomb panel according to any one of claims 2 to 6, wherein a narrow opening-shaped concave groove is formed on a facing surface of a frame member located at a joint of the panel bodies, and the concave parts of both panel bodies are formed. A honeycomb panel wherein a connecting core is slidably fitted in a groove. 12. A panel body is formed by brazing or bonding a core material between a pair of aluminum surface plates, and friction welding is performed on both surface plates in a state where the surface plates of the panel body are in contact with each other. And a method for manufacturing a honeycomb panel. 13. A panel body is formed by brazing or bonding a core material between a pair of aluminum surface plates and forming a panel body with a frame material interposed between sides of the surface plate. A method for manufacturing a honeycomb panel, comprising joining both face plates by friction welding while the face plates are in contact with each other. 14. A panel member is formed by brazing or bonding a core material between a pair of aluminum surface plates and bonding them together, and interposing an aluminum frame material between sides of the surface plates.
A method for manufacturing a honeycomb panel, comprising joining both surface plates and a frame member by friction welding in a state where the surface plates of the panel body are in contact with each other. 15. A panel member is formed by brazing or bonding a core material between a pair of aluminum surface plates and bonding an aluminum frame material between sides of the surface plate.
A method for manufacturing a honeycomb panel, comprising joining two frame members by friction welding while the frame members of the panel body are in contact with each other. 16. A panel member is formed by joining a core material between a pair of aluminum surface plates by brazing or bonding, and an aluminum joining member is interposed between the panel members. A method for manufacturing a honeycomb panel, comprising joining a surface plate and a joining member by friction welding in a state where the joining member and the joining member are in contact with each other. 17. A panel member is formed by brazing or bonding a core material between a pair of aluminum surface plates and bonding an aluminum frame material between sides of the surface plate.
A method for manufacturing a honeycomb panel, comprising joining two frame members by friction welding in a state where the frame members of the panel body are in contact with each other, and covering a decorative member outside of the joined portion. 18. A panel member is formed by brazing or bonding a core material between a pair of aluminum surface plates and forming a panel body with a frame material interposed between sides of the surface plate. A method for manufacturing a honeycomb panel, comprising joining both face plates by friction welding in a state where the face plates are in contact with each other, and then extracting the frame material. 19. The method for manufacturing a honeycomb panel according to claim 8, wherein a fastener is engaged with the recess of the frame member to bring the surface plates of both panel bodies into contact with each other, and in this state, the two surface plates are friction-welded. A method for manufacturing a honeycomb panel. 20. The method for manufacturing a honeycomb panel according to claim 8, wherein a fastener is engaged with the concave portion of the frame material to bring the frame materials of both panel bodies into contact with each other, and in this state, the two frame materials are friction-welded. A method for manufacturing a honeycomb panel. 21. The method for manufacturing a honeycomb panel according to claim 9, wherein a fastener is engaged with the hollow portion of the frame member to bring the surface plates of both panel bodies into contact with each other, and in this state, the two surface plates are rubbed. A method for manufacturing a honeycomb panel, comprising welding. 22. The method for manufacturing a honeycomb panel according to claim 9, wherein a fastener is engaged with a hollow portion of the frame member to bring the frame members of the two panel bodies into contact with each other, and in this state, the frame members are rubbed. A method for manufacturing a honeycomb panel, comprising welding. 23. The method for manufacturing a honeycomb panel according to claim 10, wherein the engaging concave and convex portions are engaged to bring the surface plates of both panel bodies into contact with each other, and in this state, the two surface plates are friction-welded. A method for manufacturing a honeycomb panel. 24. The method for manufacturing a honeycomb panel according to claim 10, wherein the frame members of both panel members are brought into contact with each other by engaging the engaging concave and convex portions, and in this state, the two frame members are friction-welded. A method for manufacturing a honeycomb panel. 25. The method for manufacturing a honeycomb panel according to claim 11, wherein a connecting core is fitted into the concave groove to bring the surface plates of both panel bodies into contact with each other. A method for manufacturing a honeycomb panel, comprising welding. 26. The method for manufacturing a honeycomb panel according to claim 11, wherein the connecting cores are fitted into the concave grooves to bring the surface plates of both panel bodies into contact with each other. A method for manufacturing a honeycomb panel, comprising welding and then extracting the core. 27. The method for manufacturing a honeycomb panel according to claim 11, wherein a connecting core is fitted into the concave groove to bring the frame members of both panel bodies into contact with each other, and in this state, the frame members are rubbed. A method for manufacturing a honeycomb panel, comprising welding. 28. The method for manufacturing a honeycomb panel according to claim 11, wherein a connecting core is fitted into the concave groove to bring the frame members of both panel bodies into contact with each other, and in this state, the two frame members are rubbed. Welding, then
A method for manufacturing a honeycomb panel, comprising extracting the core.